github.com/tidwall/go@v0.0.0-20170415222209-6694a6888b7d/src/cmd/compile/internal/ssa/rewriteS390X.go (about)

     1  // Code generated from gen/S390X.rules; DO NOT EDIT.
     2  // generated with: cd gen; go run *.go
     3  
     4  package ssa
     5  
     6  import "math"
     7  import "cmd/internal/obj"
     8  
     9  var _ = math.MinInt8 // in case not otherwise used
    10  var _ = obj.ANOP     // in case not otherwise used
    11  func rewriteValueS390X(v *Value) bool {
    12  	switch v.Op {
    13  	case OpAdd16:
    14  		return rewriteValueS390X_OpAdd16(v)
    15  	case OpAdd32:
    16  		return rewriteValueS390X_OpAdd32(v)
    17  	case OpAdd32F:
    18  		return rewriteValueS390X_OpAdd32F(v)
    19  	case OpAdd64:
    20  		return rewriteValueS390X_OpAdd64(v)
    21  	case OpAdd64F:
    22  		return rewriteValueS390X_OpAdd64F(v)
    23  	case OpAdd8:
    24  		return rewriteValueS390X_OpAdd8(v)
    25  	case OpAddPtr:
    26  		return rewriteValueS390X_OpAddPtr(v)
    27  	case OpAddr:
    28  		return rewriteValueS390X_OpAddr(v)
    29  	case OpAnd16:
    30  		return rewriteValueS390X_OpAnd16(v)
    31  	case OpAnd32:
    32  		return rewriteValueS390X_OpAnd32(v)
    33  	case OpAnd64:
    34  		return rewriteValueS390X_OpAnd64(v)
    35  	case OpAnd8:
    36  		return rewriteValueS390X_OpAnd8(v)
    37  	case OpAndB:
    38  		return rewriteValueS390X_OpAndB(v)
    39  	case OpAtomicAdd32:
    40  		return rewriteValueS390X_OpAtomicAdd32(v)
    41  	case OpAtomicAdd64:
    42  		return rewriteValueS390X_OpAtomicAdd64(v)
    43  	case OpAtomicCompareAndSwap32:
    44  		return rewriteValueS390X_OpAtomicCompareAndSwap32(v)
    45  	case OpAtomicCompareAndSwap64:
    46  		return rewriteValueS390X_OpAtomicCompareAndSwap64(v)
    47  	case OpAtomicExchange32:
    48  		return rewriteValueS390X_OpAtomicExchange32(v)
    49  	case OpAtomicExchange64:
    50  		return rewriteValueS390X_OpAtomicExchange64(v)
    51  	case OpAtomicLoad32:
    52  		return rewriteValueS390X_OpAtomicLoad32(v)
    53  	case OpAtomicLoad64:
    54  		return rewriteValueS390X_OpAtomicLoad64(v)
    55  	case OpAtomicLoadPtr:
    56  		return rewriteValueS390X_OpAtomicLoadPtr(v)
    57  	case OpAtomicStore32:
    58  		return rewriteValueS390X_OpAtomicStore32(v)
    59  	case OpAtomicStore64:
    60  		return rewriteValueS390X_OpAtomicStore64(v)
    61  	case OpAtomicStorePtrNoWB:
    62  		return rewriteValueS390X_OpAtomicStorePtrNoWB(v)
    63  	case OpAvg64u:
    64  		return rewriteValueS390X_OpAvg64u(v)
    65  	case OpBitLen64:
    66  		return rewriteValueS390X_OpBitLen64(v)
    67  	case OpBswap32:
    68  		return rewriteValueS390X_OpBswap32(v)
    69  	case OpBswap64:
    70  		return rewriteValueS390X_OpBswap64(v)
    71  	case OpClosureCall:
    72  		return rewriteValueS390X_OpClosureCall(v)
    73  	case OpCom16:
    74  		return rewriteValueS390X_OpCom16(v)
    75  	case OpCom32:
    76  		return rewriteValueS390X_OpCom32(v)
    77  	case OpCom64:
    78  		return rewriteValueS390X_OpCom64(v)
    79  	case OpCom8:
    80  		return rewriteValueS390X_OpCom8(v)
    81  	case OpConst16:
    82  		return rewriteValueS390X_OpConst16(v)
    83  	case OpConst32:
    84  		return rewriteValueS390X_OpConst32(v)
    85  	case OpConst32F:
    86  		return rewriteValueS390X_OpConst32F(v)
    87  	case OpConst64:
    88  		return rewriteValueS390X_OpConst64(v)
    89  	case OpConst64F:
    90  		return rewriteValueS390X_OpConst64F(v)
    91  	case OpConst8:
    92  		return rewriteValueS390X_OpConst8(v)
    93  	case OpConstBool:
    94  		return rewriteValueS390X_OpConstBool(v)
    95  	case OpConstNil:
    96  		return rewriteValueS390X_OpConstNil(v)
    97  	case OpConvert:
    98  		return rewriteValueS390X_OpConvert(v)
    99  	case OpCtz32:
   100  		return rewriteValueS390X_OpCtz32(v)
   101  	case OpCtz64:
   102  		return rewriteValueS390X_OpCtz64(v)
   103  	case OpCvt32Fto32:
   104  		return rewriteValueS390X_OpCvt32Fto32(v)
   105  	case OpCvt32Fto64:
   106  		return rewriteValueS390X_OpCvt32Fto64(v)
   107  	case OpCvt32Fto64F:
   108  		return rewriteValueS390X_OpCvt32Fto64F(v)
   109  	case OpCvt32to32F:
   110  		return rewriteValueS390X_OpCvt32to32F(v)
   111  	case OpCvt32to64F:
   112  		return rewriteValueS390X_OpCvt32to64F(v)
   113  	case OpCvt64Fto32:
   114  		return rewriteValueS390X_OpCvt64Fto32(v)
   115  	case OpCvt64Fto32F:
   116  		return rewriteValueS390X_OpCvt64Fto32F(v)
   117  	case OpCvt64Fto64:
   118  		return rewriteValueS390X_OpCvt64Fto64(v)
   119  	case OpCvt64to32F:
   120  		return rewriteValueS390X_OpCvt64to32F(v)
   121  	case OpCvt64to64F:
   122  		return rewriteValueS390X_OpCvt64to64F(v)
   123  	case OpDiv16:
   124  		return rewriteValueS390X_OpDiv16(v)
   125  	case OpDiv16u:
   126  		return rewriteValueS390X_OpDiv16u(v)
   127  	case OpDiv32:
   128  		return rewriteValueS390X_OpDiv32(v)
   129  	case OpDiv32F:
   130  		return rewriteValueS390X_OpDiv32F(v)
   131  	case OpDiv32u:
   132  		return rewriteValueS390X_OpDiv32u(v)
   133  	case OpDiv64:
   134  		return rewriteValueS390X_OpDiv64(v)
   135  	case OpDiv64F:
   136  		return rewriteValueS390X_OpDiv64F(v)
   137  	case OpDiv64u:
   138  		return rewriteValueS390X_OpDiv64u(v)
   139  	case OpDiv8:
   140  		return rewriteValueS390X_OpDiv8(v)
   141  	case OpDiv8u:
   142  		return rewriteValueS390X_OpDiv8u(v)
   143  	case OpEq16:
   144  		return rewriteValueS390X_OpEq16(v)
   145  	case OpEq32:
   146  		return rewriteValueS390X_OpEq32(v)
   147  	case OpEq32F:
   148  		return rewriteValueS390X_OpEq32F(v)
   149  	case OpEq64:
   150  		return rewriteValueS390X_OpEq64(v)
   151  	case OpEq64F:
   152  		return rewriteValueS390X_OpEq64F(v)
   153  	case OpEq8:
   154  		return rewriteValueS390X_OpEq8(v)
   155  	case OpEqB:
   156  		return rewriteValueS390X_OpEqB(v)
   157  	case OpEqPtr:
   158  		return rewriteValueS390X_OpEqPtr(v)
   159  	case OpGeq16:
   160  		return rewriteValueS390X_OpGeq16(v)
   161  	case OpGeq16U:
   162  		return rewriteValueS390X_OpGeq16U(v)
   163  	case OpGeq32:
   164  		return rewriteValueS390X_OpGeq32(v)
   165  	case OpGeq32F:
   166  		return rewriteValueS390X_OpGeq32F(v)
   167  	case OpGeq32U:
   168  		return rewriteValueS390X_OpGeq32U(v)
   169  	case OpGeq64:
   170  		return rewriteValueS390X_OpGeq64(v)
   171  	case OpGeq64F:
   172  		return rewriteValueS390X_OpGeq64F(v)
   173  	case OpGeq64U:
   174  		return rewriteValueS390X_OpGeq64U(v)
   175  	case OpGeq8:
   176  		return rewriteValueS390X_OpGeq8(v)
   177  	case OpGeq8U:
   178  		return rewriteValueS390X_OpGeq8U(v)
   179  	case OpGetClosurePtr:
   180  		return rewriteValueS390X_OpGetClosurePtr(v)
   181  	case OpGetG:
   182  		return rewriteValueS390X_OpGetG(v)
   183  	case OpGreater16:
   184  		return rewriteValueS390X_OpGreater16(v)
   185  	case OpGreater16U:
   186  		return rewriteValueS390X_OpGreater16U(v)
   187  	case OpGreater32:
   188  		return rewriteValueS390X_OpGreater32(v)
   189  	case OpGreater32F:
   190  		return rewriteValueS390X_OpGreater32F(v)
   191  	case OpGreater32U:
   192  		return rewriteValueS390X_OpGreater32U(v)
   193  	case OpGreater64:
   194  		return rewriteValueS390X_OpGreater64(v)
   195  	case OpGreater64F:
   196  		return rewriteValueS390X_OpGreater64F(v)
   197  	case OpGreater64U:
   198  		return rewriteValueS390X_OpGreater64U(v)
   199  	case OpGreater8:
   200  		return rewriteValueS390X_OpGreater8(v)
   201  	case OpGreater8U:
   202  		return rewriteValueS390X_OpGreater8U(v)
   203  	case OpHmul32:
   204  		return rewriteValueS390X_OpHmul32(v)
   205  	case OpHmul32u:
   206  		return rewriteValueS390X_OpHmul32u(v)
   207  	case OpHmul64:
   208  		return rewriteValueS390X_OpHmul64(v)
   209  	case OpHmul64u:
   210  		return rewriteValueS390X_OpHmul64u(v)
   211  	case OpITab:
   212  		return rewriteValueS390X_OpITab(v)
   213  	case OpInterCall:
   214  		return rewriteValueS390X_OpInterCall(v)
   215  	case OpIsInBounds:
   216  		return rewriteValueS390X_OpIsInBounds(v)
   217  	case OpIsNonNil:
   218  		return rewriteValueS390X_OpIsNonNil(v)
   219  	case OpIsSliceInBounds:
   220  		return rewriteValueS390X_OpIsSliceInBounds(v)
   221  	case OpLeq16:
   222  		return rewriteValueS390X_OpLeq16(v)
   223  	case OpLeq16U:
   224  		return rewriteValueS390X_OpLeq16U(v)
   225  	case OpLeq32:
   226  		return rewriteValueS390X_OpLeq32(v)
   227  	case OpLeq32F:
   228  		return rewriteValueS390X_OpLeq32F(v)
   229  	case OpLeq32U:
   230  		return rewriteValueS390X_OpLeq32U(v)
   231  	case OpLeq64:
   232  		return rewriteValueS390X_OpLeq64(v)
   233  	case OpLeq64F:
   234  		return rewriteValueS390X_OpLeq64F(v)
   235  	case OpLeq64U:
   236  		return rewriteValueS390X_OpLeq64U(v)
   237  	case OpLeq8:
   238  		return rewriteValueS390X_OpLeq8(v)
   239  	case OpLeq8U:
   240  		return rewriteValueS390X_OpLeq8U(v)
   241  	case OpLess16:
   242  		return rewriteValueS390X_OpLess16(v)
   243  	case OpLess16U:
   244  		return rewriteValueS390X_OpLess16U(v)
   245  	case OpLess32:
   246  		return rewriteValueS390X_OpLess32(v)
   247  	case OpLess32F:
   248  		return rewriteValueS390X_OpLess32F(v)
   249  	case OpLess32U:
   250  		return rewriteValueS390X_OpLess32U(v)
   251  	case OpLess64:
   252  		return rewriteValueS390X_OpLess64(v)
   253  	case OpLess64F:
   254  		return rewriteValueS390X_OpLess64F(v)
   255  	case OpLess64U:
   256  		return rewriteValueS390X_OpLess64U(v)
   257  	case OpLess8:
   258  		return rewriteValueS390X_OpLess8(v)
   259  	case OpLess8U:
   260  		return rewriteValueS390X_OpLess8U(v)
   261  	case OpLoad:
   262  		return rewriteValueS390X_OpLoad(v)
   263  	case OpLsh16x16:
   264  		return rewriteValueS390X_OpLsh16x16(v)
   265  	case OpLsh16x32:
   266  		return rewriteValueS390X_OpLsh16x32(v)
   267  	case OpLsh16x64:
   268  		return rewriteValueS390X_OpLsh16x64(v)
   269  	case OpLsh16x8:
   270  		return rewriteValueS390X_OpLsh16x8(v)
   271  	case OpLsh32x16:
   272  		return rewriteValueS390X_OpLsh32x16(v)
   273  	case OpLsh32x32:
   274  		return rewriteValueS390X_OpLsh32x32(v)
   275  	case OpLsh32x64:
   276  		return rewriteValueS390X_OpLsh32x64(v)
   277  	case OpLsh32x8:
   278  		return rewriteValueS390X_OpLsh32x8(v)
   279  	case OpLsh64x16:
   280  		return rewriteValueS390X_OpLsh64x16(v)
   281  	case OpLsh64x32:
   282  		return rewriteValueS390X_OpLsh64x32(v)
   283  	case OpLsh64x64:
   284  		return rewriteValueS390X_OpLsh64x64(v)
   285  	case OpLsh64x8:
   286  		return rewriteValueS390X_OpLsh64x8(v)
   287  	case OpLsh8x16:
   288  		return rewriteValueS390X_OpLsh8x16(v)
   289  	case OpLsh8x32:
   290  		return rewriteValueS390X_OpLsh8x32(v)
   291  	case OpLsh8x64:
   292  		return rewriteValueS390X_OpLsh8x64(v)
   293  	case OpLsh8x8:
   294  		return rewriteValueS390X_OpLsh8x8(v)
   295  	case OpMod16:
   296  		return rewriteValueS390X_OpMod16(v)
   297  	case OpMod16u:
   298  		return rewriteValueS390X_OpMod16u(v)
   299  	case OpMod32:
   300  		return rewriteValueS390X_OpMod32(v)
   301  	case OpMod32u:
   302  		return rewriteValueS390X_OpMod32u(v)
   303  	case OpMod64:
   304  		return rewriteValueS390X_OpMod64(v)
   305  	case OpMod64u:
   306  		return rewriteValueS390X_OpMod64u(v)
   307  	case OpMod8:
   308  		return rewriteValueS390X_OpMod8(v)
   309  	case OpMod8u:
   310  		return rewriteValueS390X_OpMod8u(v)
   311  	case OpMove:
   312  		return rewriteValueS390X_OpMove(v)
   313  	case OpMul16:
   314  		return rewriteValueS390X_OpMul16(v)
   315  	case OpMul32:
   316  		return rewriteValueS390X_OpMul32(v)
   317  	case OpMul32F:
   318  		return rewriteValueS390X_OpMul32F(v)
   319  	case OpMul64:
   320  		return rewriteValueS390X_OpMul64(v)
   321  	case OpMul64F:
   322  		return rewriteValueS390X_OpMul64F(v)
   323  	case OpMul8:
   324  		return rewriteValueS390X_OpMul8(v)
   325  	case OpNeg16:
   326  		return rewriteValueS390X_OpNeg16(v)
   327  	case OpNeg32:
   328  		return rewriteValueS390X_OpNeg32(v)
   329  	case OpNeg32F:
   330  		return rewriteValueS390X_OpNeg32F(v)
   331  	case OpNeg64:
   332  		return rewriteValueS390X_OpNeg64(v)
   333  	case OpNeg64F:
   334  		return rewriteValueS390X_OpNeg64F(v)
   335  	case OpNeg8:
   336  		return rewriteValueS390X_OpNeg8(v)
   337  	case OpNeq16:
   338  		return rewriteValueS390X_OpNeq16(v)
   339  	case OpNeq32:
   340  		return rewriteValueS390X_OpNeq32(v)
   341  	case OpNeq32F:
   342  		return rewriteValueS390X_OpNeq32F(v)
   343  	case OpNeq64:
   344  		return rewriteValueS390X_OpNeq64(v)
   345  	case OpNeq64F:
   346  		return rewriteValueS390X_OpNeq64F(v)
   347  	case OpNeq8:
   348  		return rewriteValueS390X_OpNeq8(v)
   349  	case OpNeqB:
   350  		return rewriteValueS390X_OpNeqB(v)
   351  	case OpNeqPtr:
   352  		return rewriteValueS390X_OpNeqPtr(v)
   353  	case OpNilCheck:
   354  		return rewriteValueS390X_OpNilCheck(v)
   355  	case OpNot:
   356  		return rewriteValueS390X_OpNot(v)
   357  	case OpOffPtr:
   358  		return rewriteValueS390X_OpOffPtr(v)
   359  	case OpOr16:
   360  		return rewriteValueS390X_OpOr16(v)
   361  	case OpOr32:
   362  		return rewriteValueS390X_OpOr32(v)
   363  	case OpOr64:
   364  		return rewriteValueS390X_OpOr64(v)
   365  	case OpOr8:
   366  		return rewriteValueS390X_OpOr8(v)
   367  	case OpOrB:
   368  		return rewriteValueS390X_OpOrB(v)
   369  	case OpRound32F:
   370  		return rewriteValueS390X_OpRound32F(v)
   371  	case OpRound64F:
   372  		return rewriteValueS390X_OpRound64F(v)
   373  	case OpRsh16Ux16:
   374  		return rewriteValueS390X_OpRsh16Ux16(v)
   375  	case OpRsh16Ux32:
   376  		return rewriteValueS390X_OpRsh16Ux32(v)
   377  	case OpRsh16Ux64:
   378  		return rewriteValueS390X_OpRsh16Ux64(v)
   379  	case OpRsh16Ux8:
   380  		return rewriteValueS390X_OpRsh16Ux8(v)
   381  	case OpRsh16x16:
   382  		return rewriteValueS390X_OpRsh16x16(v)
   383  	case OpRsh16x32:
   384  		return rewriteValueS390X_OpRsh16x32(v)
   385  	case OpRsh16x64:
   386  		return rewriteValueS390X_OpRsh16x64(v)
   387  	case OpRsh16x8:
   388  		return rewriteValueS390X_OpRsh16x8(v)
   389  	case OpRsh32Ux16:
   390  		return rewriteValueS390X_OpRsh32Ux16(v)
   391  	case OpRsh32Ux32:
   392  		return rewriteValueS390X_OpRsh32Ux32(v)
   393  	case OpRsh32Ux64:
   394  		return rewriteValueS390X_OpRsh32Ux64(v)
   395  	case OpRsh32Ux8:
   396  		return rewriteValueS390X_OpRsh32Ux8(v)
   397  	case OpRsh32x16:
   398  		return rewriteValueS390X_OpRsh32x16(v)
   399  	case OpRsh32x32:
   400  		return rewriteValueS390X_OpRsh32x32(v)
   401  	case OpRsh32x64:
   402  		return rewriteValueS390X_OpRsh32x64(v)
   403  	case OpRsh32x8:
   404  		return rewriteValueS390X_OpRsh32x8(v)
   405  	case OpRsh64Ux16:
   406  		return rewriteValueS390X_OpRsh64Ux16(v)
   407  	case OpRsh64Ux32:
   408  		return rewriteValueS390X_OpRsh64Ux32(v)
   409  	case OpRsh64Ux64:
   410  		return rewriteValueS390X_OpRsh64Ux64(v)
   411  	case OpRsh64Ux8:
   412  		return rewriteValueS390X_OpRsh64Ux8(v)
   413  	case OpRsh64x16:
   414  		return rewriteValueS390X_OpRsh64x16(v)
   415  	case OpRsh64x32:
   416  		return rewriteValueS390X_OpRsh64x32(v)
   417  	case OpRsh64x64:
   418  		return rewriteValueS390X_OpRsh64x64(v)
   419  	case OpRsh64x8:
   420  		return rewriteValueS390X_OpRsh64x8(v)
   421  	case OpRsh8Ux16:
   422  		return rewriteValueS390X_OpRsh8Ux16(v)
   423  	case OpRsh8Ux32:
   424  		return rewriteValueS390X_OpRsh8Ux32(v)
   425  	case OpRsh8Ux64:
   426  		return rewriteValueS390X_OpRsh8Ux64(v)
   427  	case OpRsh8Ux8:
   428  		return rewriteValueS390X_OpRsh8Ux8(v)
   429  	case OpRsh8x16:
   430  		return rewriteValueS390X_OpRsh8x16(v)
   431  	case OpRsh8x32:
   432  		return rewriteValueS390X_OpRsh8x32(v)
   433  	case OpRsh8x64:
   434  		return rewriteValueS390X_OpRsh8x64(v)
   435  	case OpRsh8x8:
   436  		return rewriteValueS390X_OpRsh8x8(v)
   437  	case OpS390XADD:
   438  		return rewriteValueS390X_OpS390XADD(v)
   439  	case OpS390XADDW:
   440  		return rewriteValueS390X_OpS390XADDW(v)
   441  	case OpS390XADDWconst:
   442  		return rewriteValueS390X_OpS390XADDWconst(v)
   443  	case OpS390XADDconst:
   444  		return rewriteValueS390X_OpS390XADDconst(v)
   445  	case OpS390XAND:
   446  		return rewriteValueS390X_OpS390XAND(v)
   447  	case OpS390XANDW:
   448  		return rewriteValueS390X_OpS390XANDW(v)
   449  	case OpS390XANDWconst:
   450  		return rewriteValueS390X_OpS390XANDWconst(v)
   451  	case OpS390XANDconst:
   452  		return rewriteValueS390X_OpS390XANDconst(v)
   453  	case OpS390XCMP:
   454  		return rewriteValueS390X_OpS390XCMP(v)
   455  	case OpS390XCMPU:
   456  		return rewriteValueS390X_OpS390XCMPU(v)
   457  	case OpS390XCMPUconst:
   458  		return rewriteValueS390X_OpS390XCMPUconst(v)
   459  	case OpS390XCMPW:
   460  		return rewriteValueS390X_OpS390XCMPW(v)
   461  	case OpS390XCMPWU:
   462  		return rewriteValueS390X_OpS390XCMPWU(v)
   463  	case OpS390XCMPWUconst:
   464  		return rewriteValueS390X_OpS390XCMPWUconst(v)
   465  	case OpS390XCMPWconst:
   466  		return rewriteValueS390X_OpS390XCMPWconst(v)
   467  	case OpS390XCMPconst:
   468  		return rewriteValueS390X_OpS390XCMPconst(v)
   469  	case OpS390XFADD:
   470  		return rewriteValueS390X_OpS390XFADD(v)
   471  	case OpS390XFADDS:
   472  		return rewriteValueS390X_OpS390XFADDS(v)
   473  	case OpS390XFMOVDload:
   474  		return rewriteValueS390X_OpS390XFMOVDload(v)
   475  	case OpS390XFMOVDloadidx:
   476  		return rewriteValueS390X_OpS390XFMOVDloadidx(v)
   477  	case OpS390XFMOVDstore:
   478  		return rewriteValueS390X_OpS390XFMOVDstore(v)
   479  	case OpS390XFMOVDstoreidx:
   480  		return rewriteValueS390X_OpS390XFMOVDstoreidx(v)
   481  	case OpS390XFMOVSload:
   482  		return rewriteValueS390X_OpS390XFMOVSload(v)
   483  	case OpS390XFMOVSloadidx:
   484  		return rewriteValueS390X_OpS390XFMOVSloadidx(v)
   485  	case OpS390XFMOVSstore:
   486  		return rewriteValueS390X_OpS390XFMOVSstore(v)
   487  	case OpS390XFMOVSstoreidx:
   488  		return rewriteValueS390X_OpS390XFMOVSstoreidx(v)
   489  	case OpS390XFSUB:
   490  		return rewriteValueS390X_OpS390XFSUB(v)
   491  	case OpS390XFSUBS:
   492  		return rewriteValueS390X_OpS390XFSUBS(v)
   493  	case OpS390XLoweredRound32F:
   494  		return rewriteValueS390X_OpS390XLoweredRound32F(v)
   495  	case OpS390XLoweredRound64F:
   496  		return rewriteValueS390X_OpS390XLoweredRound64F(v)
   497  	case OpS390XMOVBZload:
   498  		return rewriteValueS390X_OpS390XMOVBZload(v)
   499  	case OpS390XMOVBZloadidx:
   500  		return rewriteValueS390X_OpS390XMOVBZloadidx(v)
   501  	case OpS390XMOVBZreg:
   502  		return rewriteValueS390X_OpS390XMOVBZreg(v)
   503  	case OpS390XMOVBload:
   504  		return rewriteValueS390X_OpS390XMOVBload(v)
   505  	case OpS390XMOVBreg:
   506  		return rewriteValueS390X_OpS390XMOVBreg(v)
   507  	case OpS390XMOVBstore:
   508  		return rewriteValueS390X_OpS390XMOVBstore(v)
   509  	case OpS390XMOVBstoreconst:
   510  		return rewriteValueS390X_OpS390XMOVBstoreconst(v)
   511  	case OpS390XMOVBstoreidx:
   512  		return rewriteValueS390X_OpS390XMOVBstoreidx(v)
   513  	case OpS390XMOVDEQ:
   514  		return rewriteValueS390X_OpS390XMOVDEQ(v)
   515  	case OpS390XMOVDGE:
   516  		return rewriteValueS390X_OpS390XMOVDGE(v)
   517  	case OpS390XMOVDGT:
   518  		return rewriteValueS390X_OpS390XMOVDGT(v)
   519  	case OpS390XMOVDLE:
   520  		return rewriteValueS390X_OpS390XMOVDLE(v)
   521  	case OpS390XMOVDLT:
   522  		return rewriteValueS390X_OpS390XMOVDLT(v)
   523  	case OpS390XMOVDNE:
   524  		return rewriteValueS390X_OpS390XMOVDNE(v)
   525  	case OpS390XMOVDaddridx:
   526  		return rewriteValueS390X_OpS390XMOVDaddridx(v)
   527  	case OpS390XMOVDload:
   528  		return rewriteValueS390X_OpS390XMOVDload(v)
   529  	case OpS390XMOVDloadidx:
   530  		return rewriteValueS390X_OpS390XMOVDloadidx(v)
   531  	case OpS390XMOVDnop:
   532  		return rewriteValueS390X_OpS390XMOVDnop(v)
   533  	case OpS390XMOVDreg:
   534  		return rewriteValueS390X_OpS390XMOVDreg(v)
   535  	case OpS390XMOVDstore:
   536  		return rewriteValueS390X_OpS390XMOVDstore(v)
   537  	case OpS390XMOVDstoreconst:
   538  		return rewriteValueS390X_OpS390XMOVDstoreconst(v)
   539  	case OpS390XMOVDstoreidx:
   540  		return rewriteValueS390X_OpS390XMOVDstoreidx(v)
   541  	case OpS390XMOVHBRstore:
   542  		return rewriteValueS390X_OpS390XMOVHBRstore(v)
   543  	case OpS390XMOVHBRstoreidx:
   544  		return rewriteValueS390X_OpS390XMOVHBRstoreidx(v)
   545  	case OpS390XMOVHZload:
   546  		return rewriteValueS390X_OpS390XMOVHZload(v)
   547  	case OpS390XMOVHZloadidx:
   548  		return rewriteValueS390X_OpS390XMOVHZloadidx(v)
   549  	case OpS390XMOVHZreg:
   550  		return rewriteValueS390X_OpS390XMOVHZreg(v)
   551  	case OpS390XMOVHload:
   552  		return rewriteValueS390X_OpS390XMOVHload(v)
   553  	case OpS390XMOVHreg:
   554  		return rewriteValueS390X_OpS390XMOVHreg(v)
   555  	case OpS390XMOVHstore:
   556  		return rewriteValueS390X_OpS390XMOVHstore(v)
   557  	case OpS390XMOVHstoreconst:
   558  		return rewriteValueS390X_OpS390XMOVHstoreconst(v)
   559  	case OpS390XMOVHstoreidx:
   560  		return rewriteValueS390X_OpS390XMOVHstoreidx(v)
   561  	case OpS390XMOVWBRstore:
   562  		return rewriteValueS390X_OpS390XMOVWBRstore(v)
   563  	case OpS390XMOVWBRstoreidx:
   564  		return rewriteValueS390X_OpS390XMOVWBRstoreidx(v)
   565  	case OpS390XMOVWZload:
   566  		return rewriteValueS390X_OpS390XMOVWZload(v)
   567  	case OpS390XMOVWZloadidx:
   568  		return rewriteValueS390X_OpS390XMOVWZloadidx(v)
   569  	case OpS390XMOVWZreg:
   570  		return rewriteValueS390X_OpS390XMOVWZreg(v)
   571  	case OpS390XMOVWload:
   572  		return rewriteValueS390X_OpS390XMOVWload(v)
   573  	case OpS390XMOVWreg:
   574  		return rewriteValueS390X_OpS390XMOVWreg(v)
   575  	case OpS390XMOVWstore:
   576  		return rewriteValueS390X_OpS390XMOVWstore(v)
   577  	case OpS390XMOVWstoreconst:
   578  		return rewriteValueS390X_OpS390XMOVWstoreconst(v)
   579  	case OpS390XMOVWstoreidx:
   580  		return rewriteValueS390X_OpS390XMOVWstoreidx(v)
   581  	case OpS390XMULLD:
   582  		return rewriteValueS390X_OpS390XMULLD(v)
   583  	case OpS390XMULLDconst:
   584  		return rewriteValueS390X_OpS390XMULLDconst(v)
   585  	case OpS390XMULLW:
   586  		return rewriteValueS390X_OpS390XMULLW(v)
   587  	case OpS390XMULLWconst:
   588  		return rewriteValueS390X_OpS390XMULLWconst(v)
   589  	case OpS390XNEG:
   590  		return rewriteValueS390X_OpS390XNEG(v)
   591  	case OpS390XNEGW:
   592  		return rewriteValueS390X_OpS390XNEGW(v)
   593  	case OpS390XNOT:
   594  		return rewriteValueS390X_OpS390XNOT(v)
   595  	case OpS390XNOTW:
   596  		return rewriteValueS390X_OpS390XNOTW(v)
   597  	case OpS390XOR:
   598  		return rewriteValueS390X_OpS390XOR(v)
   599  	case OpS390XORW:
   600  		return rewriteValueS390X_OpS390XORW(v)
   601  	case OpS390XORWconst:
   602  		return rewriteValueS390X_OpS390XORWconst(v)
   603  	case OpS390XORconst:
   604  		return rewriteValueS390X_OpS390XORconst(v)
   605  	case OpS390XSLD:
   606  		return rewriteValueS390X_OpS390XSLD(v)
   607  	case OpS390XSLW:
   608  		return rewriteValueS390X_OpS390XSLW(v)
   609  	case OpS390XSRAD:
   610  		return rewriteValueS390X_OpS390XSRAD(v)
   611  	case OpS390XSRADconst:
   612  		return rewriteValueS390X_OpS390XSRADconst(v)
   613  	case OpS390XSRAW:
   614  		return rewriteValueS390X_OpS390XSRAW(v)
   615  	case OpS390XSRAWconst:
   616  		return rewriteValueS390X_OpS390XSRAWconst(v)
   617  	case OpS390XSRD:
   618  		return rewriteValueS390X_OpS390XSRD(v)
   619  	case OpS390XSRW:
   620  		return rewriteValueS390X_OpS390XSRW(v)
   621  	case OpS390XSTM2:
   622  		return rewriteValueS390X_OpS390XSTM2(v)
   623  	case OpS390XSTMG2:
   624  		return rewriteValueS390X_OpS390XSTMG2(v)
   625  	case OpS390XSUB:
   626  		return rewriteValueS390X_OpS390XSUB(v)
   627  	case OpS390XSUBEWcarrymask:
   628  		return rewriteValueS390X_OpS390XSUBEWcarrymask(v)
   629  	case OpS390XSUBEcarrymask:
   630  		return rewriteValueS390X_OpS390XSUBEcarrymask(v)
   631  	case OpS390XSUBW:
   632  		return rewriteValueS390X_OpS390XSUBW(v)
   633  	case OpS390XSUBWconst:
   634  		return rewriteValueS390X_OpS390XSUBWconst(v)
   635  	case OpS390XSUBconst:
   636  		return rewriteValueS390X_OpS390XSUBconst(v)
   637  	case OpS390XXOR:
   638  		return rewriteValueS390X_OpS390XXOR(v)
   639  	case OpS390XXORW:
   640  		return rewriteValueS390X_OpS390XXORW(v)
   641  	case OpS390XXORWconst:
   642  		return rewriteValueS390X_OpS390XXORWconst(v)
   643  	case OpS390XXORconst:
   644  		return rewriteValueS390X_OpS390XXORconst(v)
   645  	case OpSelect0:
   646  		return rewriteValueS390X_OpSelect0(v)
   647  	case OpSelect1:
   648  		return rewriteValueS390X_OpSelect1(v)
   649  	case OpSignExt16to32:
   650  		return rewriteValueS390X_OpSignExt16to32(v)
   651  	case OpSignExt16to64:
   652  		return rewriteValueS390X_OpSignExt16to64(v)
   653  	case OpSignExt32to64:
   654  		return rewriteValueS390X_OpSignExt32to64(v)
   655  	case OpSignExt8to16:
   656  		return rewriteValueS390X_OpSignExt8to16(v)
   657  	case OpSignExt8to32:
   658  		return rewriteValueS390X_OpSignExt8to32(v)
   659  	case OpSignExt8to64:
   660  		return rewriteValueS390X_OpSignExt8to64(v)
   661  	case OpSlicemask:
   662  		return rewriteValueS390X_OpSlicemask(v)
   663  	case OpSqrt:
   664  		return rewriteValueS390X_OpSqrt(v)
   665  	case OpStaticCall:
   666  		return rewriteValueS390X_OpStaticCall(v)
   667  	case OpStore:
   668  		return rewriteValueS390X_OpStore(v)
   669  	case OpSub16:
   670  		return rewriteValueS390X_OpSub16(v)
   671  	case OpSub32:
   672  		return rewriteValueS390X_OpSub32(v)
   673  	case OpSub32F:
   674  		return rewriteValueS390X_OpSub32F(v)
   675  	case OpSub64:
   676  		return rewriteValueS390X_OpSub64(v)
   677  	case OpSub64F:
   678  		return rewriteValueS390X_OpSub64F(v)
   679  	case OpSub8:
   680  		return rewriteValueS390X_OpSub8(v)
   681  	case OpSubPtr:
   682  		return rewriteValueS390X_OpSubPtr(v)
   683  	case OpTrunc16to8:
   684  		return rewriteValueS390X_OpTrunc16to8(v)
   685  	case OpTrunc32to16:
   686  		return rewriteValueS390X_OpTrunc32to16(v)
   687  	case OpTrunc32to8:
   688  		return rewriteValueS390X_OpTrunc32to8(v)
   689  	case OpTrunc64to16:
   690  		return rewriteValueS390X_OpTrunc64to16(v)
   691  	case OpTrunc64to32:
   692  		return rewriteValueS390X_OpTrunc64to32(v)
   693  	case OpTrunc64to8:
   694  		return rewriteValueS390X_OpTrunc64to8(v)
   695  	case OpXor16:
   696  		return rewriteValueS390X_OpXor16(v)
   697  	case OpXor32:
   698  		return rewriteValueS390X_OpXor32(v)
   699  	case OpXor64:
   700  		return rewriteValueS390X_OpXor64(v)
   701  	case OpXor8:
   702  		return rewriteValueS390X_OpXor8(v)
   703  	case OpZero:
   704  		return rewriteValueS390X_OpZero(v)
   705  	case OpZeroExt16to32:
   706  		return rewriteValueS390X_OpZeroExt16to32(v)
   707  	case OpZeroExt16to64:
   708  		return rewriteValueS390X_OpZeroExt16to64(v)
   709  	case OpZeroExt32to64:
   710  		return rewriteValueS390X_OpZeroExt32to64(v)
   711  	case OpZeroExt8to16:
   712  		return rewriteValueS390X_OpZeroExt8to16(v)
   713  	case OpZeroExt8to32:
   714  		return rewriteValueS390X_OpZeroExt8to32(v)
   715  	case OpZeroExt8to64:
   716  		return rewriteValueS390X_OpZeroExt8to64(v)
   717  	}
   718  	return false
   719  }
   720  func rewriteValueS390X_OpAdd16(v *Value) bool {
   721  	// match: (Add16 x y)
   722  	// cond:
   723  	// result: (ADDW  x y)
   724  	for {
   725  		x := v.Args[0]
   726  		y := v.Args[1]
   727  		v.reset(OpS390XADDW)
   728  		v.AddArg(x)
   729  		v.AddArg(y)
   730  		return true
   731  	}
   732  }
   733  func rewriteValueS390X_OpAdd32(v *Value) bool {
   734  	// match: (Add32 x y)
   735  	// cond:
   736  	// result: (ADDW  x y)
   737  	for {
   738  		x := v.Args[0]
   739  		y := v.Args[1]
   740  		v.reset(OpS390XADDW)
   741  		v.AddArg(x)
   742  		v.AddArg(y)
   743  		return true
   744  	}
   745  }
   746  func rewriteValueS390X_OpAdd32F(v *Value) bool {
   747  	// match: (Add32F x y)
   748  	// cond:
   749  	// result: (FADDS x y)
   750  	for {
   751  		x := v.Args[0]
   752  		y := v.Args[1]
   753  		v.reset(OpS390XFADDS)
   754  		v.AddArg(x)
   755  		v.AddArg(y)
   756  		return true
   757  	}
   758  }
   759  func rewriteValueS390X_OpAdd64(v *Value) bool {
   760  	// match: (Add64 x y)
   761  	// cond:
   762  	// result: (ADD  x y)
   763  	for {
   764  		x := v.Args[0]
   765  		y := v.Args[1]
   766  		v.reset(OpS390XADD)
   767  		v.AddArg(x)
   768  		v.AddArg(y)
   769  		return true
   770  	}
   771  }
   772  func rewriteValueS390X_OpAdd64F(v *Value) bool {
   773  	// match: (Add64F x y)
   774  	// cond:
   775  	// result: (FADD x y)
   776  	for {
   777  		x := v.Args[0]
   778  		y := v.Args[1]
   779  		v.reset(OpS390XFADD)
   780  		v.AddArg(x)
   781  		v.AddArg(y)
   782  		return true
   783  	}
   784  }
   785  func rewriteValueS390X_OpAdd8(v *Value) bool {
   786  	// match: (Add8 x y)
   787  	// cond:
   788  	// result: (ADDW  x y)
   789  	for {
   790  		x := v.Args[0]
   791  		y := v.Args[1]
   792  		v.reset(OpS390XADDW)
   793  		v.AddArg(x)
   794  		v.AddArg(y)
   795  		return true
   796  	}
   797  }
   798  func rewriteValueS390X_OpAddPtr(v *Value) bool {
   799  	// match: (AddPtr x y)
   800  	// cond:
   801  	// result: (ADD  x y)
   802  	for {
   803  		x := v.Args[0]
   804  		y := v.Args[1]
   805  		v.reset(OpS390XADD)
   806  		v.AddArg(x)
   807  		v.AddArg(y)
   808  		return true
   809  	}
   810  }
   811  func rewriteValueS390X_OpAddr(v *Value) bool {
   812  	// match: (Addr {sym} base)
   813  	// cond:
   814  	// result: (MOVDaddr {sym} base)
   815  	for {
   816  		sym := v.Aux
   817  		base := v.Args[0]
   818  		v.reset(OpS390XMOVDaddr)
   819  		v.Aux = sym
   820  		v.AddArg(base)
   821  		return true
   822  	}
   823  }
   824  func rewriteValueS390X_OpAnd16(v *Value) bool {
   825  	// match: (And16 x y)
   826  	// cond:
   827  	// result: (ANDW x y)
   828  	for {
   829  		x := v.Args[0]
   830  		y := v.Args[1]
   831  		v.reset(OpS390XANDW)
   832  		v.AddArg(x)
   833  		v.AddArg(y)
   834  		return true
   835  	}
   836  }
   837  func rewriteValueS390X_OpAnd32(v *Value) bool {
   838  	// match: (And32 x y)
   839  	// cond:
   840  	// result: (ANDW x y)
   841  	for {
   842  		x := v.Args[0]
   843  		y := v.Args[1]
   844  		v.reset(OpS390XANDW)
   845  		v.AddArg(x)
   846  		v.AddArg(y)
   847  		return true
   848  	}
   849  }
   850  func rewriteValueS390X_OpAnd64(v *Value) bool {
   851  	// match: (And64 x y)
   852  	// cond:
   853  	// result: (AND x y)
   854  	for {
   855  		x := v.Args[0]
   856  		y := v.Args[1]
   857  		v.reset(OpS390XAND)
   858  		v.AddArg(x)
   859  		v.AddArg(y)
   860  		return true
   861  	}
   862  }
   863  func rewriteValueS390X_OpAnd8(v *Value) bool {
   864  	// match: (And8 x y)
   865  	// cond:
   866  	// result: (ANDW x y)
   867  	for {
   868  		x := v.Args[0]
   869  		y := v.Args[1]
   870  		v.reset(OpS390XANDW)
   871  		v.AddArg(x)
   872  		v.AddArg(y)
   873  		return true
   874  	}
   875  }
   876  func rewriteValueS390X_OpAndB(v *Value) bool {
   877  	// match: (AndB x y)
   878  	// cond:
   879  	// result: (ANDW x y)
   880  	for {
   881  		x := v.Args[0]
   882  		y := v.Args[1]
   883  		v.reset(OpS390XANDW)
   884  		v.AddArg(x)
   885  		v.AddArg(y)
   886  		return true
   887  	}
   888  }
   889  func rewriteValueS390X_OpAtomicAdd32(v *Value) bool {
   890  	b := v.Block
   891  	_ = b
   892  	types := &b.Func.Config.Types
   893  	_ = types
   894  	// match: (AtomicAdd32 ptr val mem)
   895  	// cond:
   896  	// result: (AddTupleFirst32 (LAA ptr val mem) val)
   897  	for {
   898  		ptr := v.Args[0]
   899  		val := v.Args[1]
   900  		mem := v.Args[2]
   901  		v.reset(OpS390XAddTupleFirst32)
   902  		v0 := b.NewValue0(v.Pos, OpS390XLAA, MakeTuple(types.UInt32, TypeMem))
   903  		v0.AddArg(ptr)
   904  		v0.AddArg(val)
   905  		v0.AddArg(mem)
   906  		v.AddArg(v0)
   907  		v.AddArg(val)
   908  		return true
   909  	}
   910  }
   911  func rewriteValueS390X_OpAtomicAdd64(v *Value) bool {
   912  	b := v.Block
   913  	_ = b
   914  	types := &b.Func.Config.Types
   915  	_ = types
   916  	// match: (AtomicAdd64 ptr val mem)
   917  	// cond:
   918  	// result: (AddTupleFirst64 (LAAG ptr val mem) val)
   919  	for {
   920  		ptr := v.Args[0]
   921  		val := v.Args[1]
   922  		mem := v.Args[2]
   923  		v.reset(OpS390XAddTupleFirst64)
   924  		v0 := b.NewValue0(v.Pos, OpS390XLAAG, MakeTuple(types.UInt64, TypeMem))
   925  		v0.AddArg(ptr)
   926  		v0.AddArg(val)
   927  		v0.AddArg(mem)
   928  		v.AddArg(v0)
   929  		v.AddArg(val)
   930  		return true
   931  	}
   932  }
   933  func rewriteValueS390X_OpAtomicCompareAndSwap32(v *Value) bool {
   934  	// match: (AtomicCompareAndSwap32 ptr old new_ mem)
   935  	// cond:
   936  	// result: (LoweredAtomicCas32 ptr old new_ mem)
   937  	for {
   938  		ptr := v.Args[0]
   939  		old := v.Args[1]
   940  		new_ := v.Args[2]
   941  		mem := v.Args[3]
   942  		v.reset(OpS390XLoweredAtomicCas32)
   943  		v.AddArg(ptr)
   944  		v.AddArg(old)
   945  		v.AddArg(new_)
   946  		v.AddArg(mem)
   947  		return true
   948  	}
   949  }
   950  func rewriteValueS390X_OpAtomicCompareAndSwap64(v *Value) bool {
   951  	// match: (AtomicCompareAndSwap64 ptr old new_ mem)
   952  	// cond:
   953  	// result: (LoweredAtomicCas64 ptr old new_ mem)
   954  	for {
   955  		ptr := v.Args[0]
   956  		old := v.Args[1]
   957  		new_ := v.Args[2]
   958  		mem := v.Args[3]
   959  		v.reset(OpS390XLoweredAtomicCas64)
   960  		v.AddArg(ptr)
   961  		v.AddArg(old)
   962  		v.AddArg(new_)
   963  		v.AddArg(mem)
   964  		return true
   965  	}
   966  }
   967  func rewriteValueS390X_OpAtomicExchange32(v *Value) bool {
   968  	// match: (AtomicExchange32 ptr val mem)
   969  	// cond:
   970  	// result: (LoweredAtomicExchange32 ptr val mem)
   971  	for {
   972  		ptr := v.Args[0]
   973  		val := v.Args[1]
   974  		mem := v.Args[2]
   975  		v.reset(OpS390XLoweredAtomicExchange32)
   976  		v.AddArg(ptr)
   977  		v.AddArg(val)
   978  		v.AddArg(mem)
   979  		return true
   980  	}
   981  }
   982  func rewriteValueS390X_OpAtomicExchange64(v *Value) bool {
   983  	// match: (AtomicExchange64 ptr val mem)
   984  	// cond:
   985  	// result: (LoweredAtomicExchange64 ptr val mem)
   986  	for {
   987  		ptr := v.Args[0]
   988  		val := v.Args[1]
   989  		mem := v.Args[2]
   990  		v.reset(OpS390XLoweredAtomicExchange64)
   991  		v.AddArg(ptr)
   992  		v.AddArg(val)
   993  		v.AddArg(mem)
   994  		return true
   995  	}
   996  }
   997  func rewriteValueS390X_OpAtomicLoad32(v *Value) bool {
   998  	// match: (AtomicLoad32 ptr mem)
   999  	// cond:
  1000  	// result: (MOVWZatomicload ptr mem)
  1001  	for {
  1002  		ptr := v.Args[0]
  1003  		mem := v.Args[1]
  1004  		v.reset(OpS390XMOVWZatomicload)
  1005  		v.AddArg(ptr)
  1006  		v.AddArg(mem)
  1007  		return true
  1008  	}
  1009  }
  1010  func rewriteValueS390X_OpAtomicLoad64(v *Value) bool {
  1011  	// match: (AtomicLoad64 ptr mem)
  1012  	// cond:
  1013  	// result: (MOVDatomicload ptr mem)
  1014  	for {
  1015  		ptr := v.Args[0]
  1016  		mem := v.Args[1]
  1017  		v.reset(OpS390XMOVDatomicload)
  1018  		v.AddArg(ptr)
  1019  		v.AddArg(mem)
  1020  		return true
  1021  	}
  1022  }
  1023  func rewriteValueS390X_OpAtomicLoadPtr(v *Value) bool {
  1024  	// match: (AtomicLoadPtr ptr mem)
  1025  	// cond:
  1026  	// result: (MOVDatomicload ptr mem)
  1027  	for {
  1028  		ptr := v.Args[0]
  1029  		mem := v.Args[1]
  1030  		v.reset(OpS390XMOVDatomicload)
  1031  		v.AddArg(ptr)
  1032  		v.AddArg(mem)
  1033  		return true
  1034  	}
  1035  }
  1036  func rewriteValueS390X_OpAtomicStore32(v *Value) bool {
  1037  	// match: (AtomicStore32 ptr val mem)
  1038  	// cond:
  1039  	// result: (MOVWatomicstore ptr val mem)
  1040  	for {
  1041  		ptr := v.Args[0]
  1042  		val := v.Args[1]
  1043  		mem := v.Args[2]
  1044  		v.reset(OpS390XMOVWatomicstore)
  1045  		v.AddArg(ptr)
  1046  		v.AddArg(val)
  1047  		v.AddArg(mem)
  1048  		return true
  1049  	}
  1050  }
  1051  func rewriteValueS390X_OpAtomicStore64(v *Value) bool {
  1052  	// match: (AtomicStore64 ptr val mem)
  1053  	// cond:
  1054  	// result: (MOVDatomicstore ptr val mem)
  1055  	for {
  1056  		ptr := v.Args[0]
  1057  		val := v.Args[1]
  1058  		mem := v.Args[2]
  1059  		v.reset(OpS390XMOVDatomicstore)
  1060  		v.AddArg(ptr)
  1061  		v.AddArg(val)
  1062  		v.AddArg(mem)
  1063  		return true
  1064  	}
  1065  }
  1066  func rewriteValueS390X_OpAtomicStorePtrNoWB(v *Value) bool {
  1067  	// match: (AtomicStorePtrNoWB ptr val mem)
  1068  	// cond:
  1069  	// result: (MOVDatomicstore ptr val mem)
  1070  	for {
  1071  		ptr := v.Args[0]
  1072  		val := v.Args[1]
  1073  		mem := v.Args[2]
  1074  		v.reset(OpS390XMOVDatomicstore)
  1075  		v.AddArg(ptr)
  1076  		v.AddArg(val)
  1077  		v.AddArg(mem)
  1078  		return true
  1079  	}
  1080  }
  1081  func rewriteValueS390X_OpAvg64u(v *Value) bool {
  1082  	b := v.Block
  1083  	_ = b
  1084  	// match: (Avg64u <t> x y)
  1085  	// cond:
  1086  	// result: (ADD (SRDconst <t> (SUB <t> x y) [1]) y)
  1087  	for {
  1088  		t := v.Type
  1089  		x := v.Args[0]
  1090  		y := v.Args[1]
  1091  		v.reset(OpS390XADD)
  1092  		v0 := b.NewValue0(v.Pos, OpS390XSRDconst, t)
  1093  		v0.AuxInt = 1
  1094  		v1 := b.NewValue0(v.Pos, OpS390XSUB, t)
  1095  		v1.AddArg(x)
  1096  		v1.AddArg(y)
  1097  		v0.AddArg(v1)
  1098  		v.AddArg(v0)
  1099  		v.AddArg(y)
  1100  		return true
  1101  	}
  1102  }
  1103  func rewriteValueS390X_OpBitLen64(v *Value) bool {
  1104  	b := v.Block
  1105  	_ = b
  1106  	types := &b.Func.Config.Types
  1107  	_ = types
  1108  	// match: (BitLen64 x)
  1109  	// cond:
  1110  	// result: (SUB (MOVDconst [64]) (FLOGR x))
  1111  	for {
  1112  		x := v.Args[0]
  1113  		v.reset(OpS390XSUB)
  1114  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1115  		v0.AuxInt = 64
  1116  		v.AddArg(v0)
  1117  		v1 := b.NewValue0(v.Pos, OpS390XFLOGR, types.UInt64)
  1118  		v1.AddArg(x)
  1119  		v.AddArg(v1)
  1120  		return true
  1121  	}
  1122  }
  1123  func rewriteValueS390X_OpBswap32(v *Value) bool {
  1124  	// match: (Bswap32 x)
  1125  	// cond:
  1126  	// result: (MOVWBR x)
  1127  	for {
  1128  		x := v.Args[0]
  1129  		v.reset(OpS390XMOVWBR)
  1130  		v.AddArg(x)
  1131  		return true
  1132  	}
  1133  }
  1134  func rewriteValueS390X_OpBswap64(v *Value) bool {
  1135  	// match: (Bswap64 x)
  1136  	// cond:
  1137  	// result: (MOVDBR x)
  1138  	for {
  1139  		x := v.Args[0]
  1140  		v.reset(OpS390XMOVDBR)
  1141  		v.AddArg(x)
  1142  		return true
  1143  	}
  1144  }
  1145  func rewriteValueS390X_OpClosureCall(v *Value) bool {
  1146  	// match: (ClosureCall [argwid] entry closure mem)
  1147  	// cond:
  1148  	// result: (CALLclosure [argwid] entry closure mem)
  1149  	for {
  1150  		argwid := v.AuxInt
  1151  		entry := v.Args[0]
  1152  		closure := v.Args[1]
  1153  		mem := v.Args[2]
  1154  		v.reset(OpS390XCALLclosure)
  1155  		v.AuxInt = argwid
  1156  		v.AddArg(entry)
  1157  		v.AddArg(closure)
  1158  		v.AddArg(mem)
  1159  		return true
  1160  	}
  1161  }
  1162  func rewriteValueS390X_OpCom16(v *Value) bool {
  1163  	// match: (Com16 x)
  1164  	// cond:
  1165  	// result: (NOTW x)
  1166  	for {
  1167  		x := v.Args[0]
  1168  		v.reset(OpS390XNOTW)
  1169  		v.AddArg(x)
  1170  		return true
  1171  	}
  1172  }
  1173  func rewriteValueS390X_OpCom32(v *Value) bool {
  1174  	// match: (Com32 x)
  1175  	// cond:
  1176  	// result: (NOTW x)
  1177  	for {
  1178  		x := v.Args[0]
  1179  		v.reset(OpS390XNOTW)
  1180  		v.AddArg(x)
  1181  		return true
  1182  	}
  1183  }
  1184  func rewriteValueS390X_OpCom64(v *Value) bool {
  1185  	// match: (Com64 x)
  1186  	// cond:
  1187  	// result: (NOT x)
  1188  	for {
  1189  		x := v.Args[0]
  1190  		v.reset(OpS390XNOT)
  1191  		v.AddArg(x)
  1192  		return true
  1193  	}
  1194  }
  1195  func rewriteValueS390X_OpCom8(v *Value) bool {
  1196  	// match: (Com8 x)
  1197  	// cond:
  1198  	// result: (NOTW x)
  1199  	for {
  1200  		x := v.Args[0]
  1201  		v.reset(OpS390XNOTW)
  1202  		v.AddArg(x)
  1203  		return true
  1204  	}
  1205  }
  1206  func rewriteValueS390X_OpConst16(v *Value) bool {
  1207  	// match: (Const16 [val])
  1208  	// cond:
  1209  	// result: (MOVDconst [val])
  1210  	for {
  1211  		val := v.AuxInt
  1212  		v.reset(OpS390XMOVDconst)
  1213  		v.AuxInt = val
  1214  		return true
  1215  	}
  1216  }
  1217  func rewriteValueS390X_OpConst32(v *Value) bool {
  1218  	// match: (Const32 [val])
  1219  	// cond:
  1220  	// result: (MOVDconst [val])
  1221  	for {
  1222  		val := v.AuxInt
  1223  		v.reset(OpS390XMOVDconst)
  1224  		v.AuxInt = val
  1225  		return true
  1226  	}
  1227  }
  1228  func rewriteValueS390X_OpConst32F(v *Value) bool {
  1229  	// match: (Const32F [val])
  1230  	// cond:
  1231  	// result: (FMOVSconst [val])
  1232  	for {
  1233  		val := v.AuxInt
  1234  		v.reset(OpS390XFMOVSconst)
  1235  		v.AuxInt = val
  1236  		return true
  1237  	}
  1238  }
  1239  func rewriteValueS390X_OpConst64(v *Value) bool {
  1240  	// match: (Const64 [val])
  1241  	// cond:
  1242  	// result: (MOVDconst [val])
  1243  	for {
  1244  		val := v.AuxInt
  1245  		v.reset(OpS390XMOVDconst)
  1246  		v.AuxInt = val
  1247  		return true
  1248  	}
  1249  }
  1250  func rewriteValueS390X_OpConst64F(v *Value) bool {
  1251  	// match: (Const64F [val])
  1252  	// cond:
  1253  	// result: (FMOVDconst [val])
  1254  	for {
  1255  		val := v.AuxInt
  1256  		v.reset(OpS390XFMOVDconst)
  1257  		v.AuxInt = val
  1258  		return true
  1259  	}
  1260  }
  1261  func rewriteValueS390X_OpConst8(v *Value) bool {
  1262  	// match: (Const8 [val])
  1263  	// cond:
  1264  	// result: (MOVDconst [val])
  1265  	for {
  1266  		val := v.AuxInt
  1267  		v.reset(OpS390XMOVDconst)
  1268  		v.AuxInt = val
  1269  		return true
  1270  	}
  1271  }
  1272  func rewriteValueS390X_OpConstBool(v *Value) bool {
  1273  	// match: (ConstBool [b])
  1274  	// cond:
  1275  	// result: (MOVDconst [b])
  1276  	for {
  1277  		b := v.AuxInt
  1278  		v.reset(OpS390XMOVDconst)
  1279  		v.AuxInt = b
  1280  		return true
  1281  	}
  1282  }
  1283  func rewriteValueS390X_OpConstNil(v *Value) bool {
  1284  	// match: (ConstNil)
  1285  	// cond:
  1286  	// result: (MOVDconst [0])
  1287  	for {
  1288  		v.reset(OpS390XMOVDconst)
  1289  		v.AuxInt = 0
  1290  		return true
  1291  	}
  1292  }
  1293  func rewriteValueS390X_OpConvert(v *Value) bool {
  1294  	// match: (Convert <t> x mem)
  1295  	// cond:
  1296  	// result: (MOVDconvert <t> x mem)
  1297  	for {
  1298  		t := v.Type
  1299  		x := v.Args[0]
  1300  		mem := v.Args[1]
  1301  		v.reset(OpS390XMOVDconvert)
  1302  		v.Type = t
  1303  		v.AddArg(x)
  1304  		v.AddArg(mem)
  1305  		return true
  1306  	}
  1307  }
  1308  func rewriteValueS390X_OpCtz32(v *Value) bool {
  1309  	b := v.Block
  1310  	_ = b
  1311  	types := &b.Func.Config.Types
  1312  	_ = types
  1313  	// match: (Ctz32 <t> x)
  1314  	// cond:
  1315  	// result: (SUB (MOVDconst [64]) (FLOGR (MOVWZreg (ANDW <t> (SUBWconst <t> [1] x) (NOTW <t> x)))))
  1316  	for {
  1317  		t := v.Type
  1318  		x := v.Args[0]
  1319  		v.reset(OpS390XSUB)
  1320  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1321  		v0.AuxInt = 64
  1322  		v.AddArg(v0)
  1323  		v1 := b.NewValue0(v.Pos, OpS390XFLOGR, types.UInt64)
  1324  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
  1325  		v3 := b.NewValue0(v.Pos, OpS390XANDW, t)
  1326  		v4 := b.NewValue0(v.Pos, OpS390XSUBWconst, t)
  1327  		v4.AuxInt = 1
  1328  		v4.AddArg(x)
  1329  		v3.AddArg(v4)
  1330  		v5 := b.NewValue0(v.Pos, OpS390XNOTW, t)
  1331  		v5.AddArg(x)
  1332  		v3.AddArg(v5)
  1333  		v2.AddArg(v3)
  1334  		v1.AddArg(v2)
  1335  		v.AddArg(v1)
  1336  		return true
  1337  	}
  1338  }
  1339  func rewriteValueS390X_OpCtz64(v *Value) bool {
  1340  	b := v.Block
  1341  	_ = b
  1342  	types := &b.Func.Config.Types
  1343  	_ = types
  1344  	// match: (Ctz64 <t> x)
  1345  	// cond:
  1346  	// result: (SUB (MOVDconst [64]) (FLOGR (AND <t> (SUBconst <t> [1] x) (NOT <t> x))))
  1347  	for {
  1348  		t := v.Type
  1349  		x := v.Args[0]
  1350  		v.reset(OpS390XSUB)
  1351  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1352  		v0.AuxInt = 64
  1353  		v.AddArg(v0)
  1354  		v1 := b.NewValue0(v.Pos, OpS390XFLOGR, types.UInt64)
  1355  		v2 := b.NewValue0(v.Pos, OpS390XAND, t)
  1356  		v3 := b.NewValue0(v.Pos, OpS390XSUBconst, t)
  1357  		v3.AuxInt = 1
  1358  		v3.AddArg(x)
  1359  		v2.AddArg(v3)
  1360  		v4 := b.NewValue0(v.Pos, OpS390XNOT, t)
  1361  		v4.AddArg(x)
  1362  		v2.AddArg(v4)
  1363  		v1.AddArg(v2)
  1364  		v.AddArg(v1)
  1365  		return true
  1366  	}
  1367  }
  1368  func rewriteValueS390X_OpCvt32Fto32(v *Value) bool {
  1369  	// match: (Cvt32Fto32 x)
  1370  	// cond:
  1371  	// result: (CFEBRA x)
  1372  	for {
  1373  		x := v.Args[0]
  1374  		v.reset(OpS390XCFEBRA)
  1375  		v.AddArg(x)
  1376  		return true
  1377  	}
  1378  }
  1379  func rewriteValueS390X_OpCvt32Fto64(v *Value) bool {
  1380  	// match: (Cvt32Fto64 x)
  1381  	// cond:
  1382  	// result: (CGEBRA x)
  1383  	for {
  1384  		x := v.Args[0]
  1385  		v.reset(OpS390XCGEBRA)
  1386  		v.AddArg(x)
  1387  		return true
  1388  	}
  1389  }
  1390  func rewriteValueS390X_OpCvt32Fto64F(v *Value) bool {
  1391  	// match: (Cvt32Fto64F x)
  1392  	// cond:
  1393  	// result: (LDEBR x)
  1394  	for {
  1395  		x := v.Args[0]
  1396  		v.reset(OpS390XLDEBR)
  1397  		v.AddArg(x)
  1398  		return true
  1399  	}
  1400  }
  1401  func rewriteValueS390X_OpCvt32to32F(v *Value) bool {
  1402  	// match: (Cvt32to32F x)
  1403  	// cond:
  1404  	// result: (CEFBRA x)
  1405  	for {
  1406  		x := v.Args[0]
  1407  		v.reset(OpS390XCEFBRA)
  1408  		v.AddArg(x)
  1409  		return true
  1410  	}
  1411  }
  1412  func rewriteValueS390X_OpCvt32to64F(v *Value) bool {
  1413  	// match: (Cvt32to64F x)
  1414  	// cond:
  1415  	// result: (CDFBRA x)
  1416  	for {
  1417  		x := v.Args[0]
  1418  		v.reset(OpS390XCDFBRA)
  1419  		v.AddArg(x)
  1420  		return true
  1421  	}
  1422  }
  1423  func rewriteValueS390X_OpCvt64Fto32(v *Value) bool {
  1424  	// match: (Cvt64Fto32 x)
  1425  	// cond:
  1426  	// result: (CFDBRA x)
  1427  	for {
  1428  		x := v.Args[0]
  1429  		v.reset(OpS390XCFDBRA)
  1430  		v.AddArg(x)
  1431  		return true
  1432  	}
  1433  }
  1434  func rewriteValueS390X_OpCvt64Fto32F(v *Value) bool {
  1435  	// match: (Cvt64Fto32F x)
  1436  	// cond:
  1437  	// result: (LEDBR x)
  1438  	for {
  1439  		x := v.Args[0]
  1440  		v.reset(OpS390XLEDBR)
  1441  		v.AddArg(x)
  1442  		return true
  1443  	}
  1444  }
  1445  func rewriteValueS390X_OpCvt64Fto64(v *Value) bool {
  1446  	// match: (Cvt64Fto64 x)
  1447  	// cond:
  1448  	// result: (CGDBRA x)
  1449  	for {
  1450  		x := v.Args[0]
  1451  		v.reset(OpS390XCGDBRA)
  1452  		v.AddArg(x)
  1453  		return true
  1454  	}
  1455  }
  1456  func rewriteValueS390X_OpCvt64to32F(v *Value) bool {
  1457  	// match: (Cvt64to32F x)
  1458  	// cond:
  1459  	// result: (CEGBRA x)
  1460  	for {
  1461  		x := v.Args[0]
  1462  		v.reset(OpS390XCEGBRA)
  1463  		v.AddArg(x)
  1464  		return true
  1465  	}
  1466  }
  1467  func rewriteValueS390X_OpCvt64to64F(v *Value) bool {
  1468  	// match: (Cvt64to64F x)
  1469  	// cond:
  1470  	// result: (CDGBRA x)
  1471  	for {
  1472  		x := v.Args[0]
  1473  		v.reset(OpS390XCDGBRA)
  1474  		v.AddArg(x)
  1475  		return true
  1476  	}
  1477  }
  1478  func rewriteValueS390X_OpDiv16(v *Value) bool {
  1479  	b := v.Block
  1480  	_ = b
  1481  	types := &b.Func.Config.Types
  1482  	_ = types
  1483  	// match: (Div16 x y)
  1484  	// cond:
  1485  	// result: (DIVW  (MOVHreg x) (MOVHreg y))
  1486  	for {
  1487  		x := v.Args[0]
  1488  		y := v.Args[1]
  1489  		v.reset(OpS390XDIVW)
  1490  		v0 := b.NewValue0(v.Pos, OpS390XMOVHreg, types.Int64)
  1491  		v0.AddArg(x)
  1492  		v.AddArg(v0)
  1493  		v1 := b.NewValue0(v.Pos, OpS390XMOVHreg, types.Int64)
  1494  		v1.AddArg(y)
  1495  		v.AddArg(v1)
  1496  		return true
  1497  	}
  1498  }
  1499  func rewriteValueS390X_OpDiv16u(v *Value) bool {
  1500  	b := v.Block
  1501  	_ = b
  1502  	types := &b.Func.Config.Types
  1503  	_ = types
  1504  	// match: (Div16u x y)
  1505  	// cond:
  1506  	// result: (DIVWU (MOVHZreg x) (MOVHZreg y))
  1507  	for {
  1508  		x := v.Args[0]
  1509  		y := v.Args[1]
  1510  		v.reset(OpS390XDIVWU)
  1511  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  1512  		v0.AddArg(x)
  1513  		v.AddArg(v0)
  1514  		v1 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  1515  		v1.AddArg(y)
  1516  		v.AddArg(v1)
  1517  		return true
  1518  	}
  1519  }
  1520  func rewriteValueS390X_OpDiv32(v *Value) bool {
  1521  	b := v.Block
  1522  	_ = b
  1523  	types := &b.Func.Config.Types
  1524  	_ = types
  1525  	// match: (Div32 x y)
  1526  	// cond:
  1527  	// result: (DIVW  (MOVWreg x) y)
  1528  	for {
  1529  		x := v.Args[0]
  1530  		y := v.Args[1]
  1531  		v.reset(OpS390XDIVW)
  1532  		v0 := b.NewValue0(v.Pos, OpS390XMOVWreg, types.Int64)
  1533  		v0.AddArg(x)
  1534  		v.AddArg(v0)
  1535  		v.AddArg(y)
  1536  		return true
  1537  	}
  1538  }
  1539  func rewriteValueS390X_OpDiv32F(v *Value) bool {
  1540  	// match: (Div32F x y)
  1541  	// cond:
  1542  	// result: (FDIVS x y)
  1543  	for {
  1544  		x := v.Args[0]
  1545  		y := v.Args[1]
  1546  		v.reset(OpS390XFDIVS)
  1547  		v.AddArg(x)
  1548  		v.AddArg(y)
  1549  		return true
  1550  	}
  1551  }
  1552  func rewriteValueS390X_OpDiv32u(v *Value) bool {
  1553  	b := v.Block
  1554  	_ = b
  1555  	types := &b.Func.Config.Types
  1556  	_ = types
  1557  	// match: (Div32u x y)
  1558  	// cond:
  1559  	// result: (DIVWU (MOVWZreg x) y)
  1560  	for {
  1561  		x := v.Args[0]
  1562  		y := v.Args[1]
  1563  		v.reset(OpS390XDIVWU)
  1564  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
  1565  		v0.AddArg(x)
  1566  		v.AddArg(v0)
  1567  		v.AddArg(y)
  1568  		return true
  1569  	}
  1570  }
  1571  func rewriteValueS390X_OpDiv64(v *Value) bool {
  1572  	// match: (Div64 x y)
  1573  	// cond:
  1574  	// result: (DIVD  x y)
  1575  	for {
  1576  		x := v.Args[0]
  1577  		y := v.Args[1]
  1578  		v.reset(OpS390XDIVD)
  1579  		v.AddArg(x)
  1580  		v.AddArg(y)
  1581  		return true
  1582  	}
  1583  }
  1584  func rewriteValueS390X_OpDiv64F(v *Value) bool {
  1585  	// match: (Div64F x y)
  1586  	// cond:
  1587  	// result: (FDIV x y)
  1588  	for {
  1589  		x := v.Args[0]
  1590  		y := v.Args[1]
  1591  		v.reset(OpS390XFDIV)
  1592  		v.AddArg(x)
  1593  		v.AddArg(y)
  1594  		return true
  1595  	}
  1596  }
  1597  func rewriteValueS390X_OpDiv64u(v *Value) bool {
  1598  	// match: (Div64u x y)
  1599  	// cond:
  1600  	// result: (DIVDU x y)
  1601  	for {
  1602  		x := v.Args[0]
  1603  		y := v.Args[1]
  1604  		v.reset(OpS390XDIVDU)
  1605  		v.AddArg(x)
  1606  		v.AddArg(y)
  1607  		return true
  1608  	}
  1609  }
  1610  func rewriteValueS390X_OpDiv8(v *Value) bool {
  1611  	b := v.Block
  1612  	_ = b
  1613  	types := &b.Func.Config.Types
  1614  	_ = types
  1615  	// match: (Div8 x y)
  1616  	// cond:
  1617  	// result: (DIVW  (MOVBreg x) (MOVBreg y))
  1618  	for {
  1619  		x := v.Args[0]
  1620  		y := v.Args[1]
  1621  		v.reset(OpS390XDIVW)
  1622  		v0 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  1623  		v0.AddArg(x)
  1624  		v.AddArg(v0)
  1625  		v1 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  1626  		v1.AddArg(y)
  1627  		v.AddArg(v1)
  1628  		return true
  1629  	}
  1630  }
  1631  func rewriteValueS390X_OpDiv8u(v *Value) bool {
  1632  	b := v.Block
  1633  	_ = b
  1634  	types := &b.Func.Config.Types
  1635  	_ = types
  1636  	// match: (Div8u x y)
  1637  	// cond:
  1638  	// result: (DIVWU (MOVBZreg x) (MOVBZreg y))
  1639  	for {
  1640  		x := v.Args[0]
  1641  		y := v.Args[1]
  1642  		v.reset(OpS390XDIVWU)
  1643  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  1644  		v0.AddArg(x)
  1645  		v.AddArg(v0)
  1646  		v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  1647  		v1.AddArg(y)
  1648  		v.AddArg(v1)
  1649  		return true
  1650  	}
  1651  }
  1652  func rewriteValueS390X_OpEq16(v *Value) bool {
  1653  	b := v.Block
  1654  	_ = b
  1655  	types := &b.Func.Config.Types
  1656  	_ = types
  1657  	// match: (Eq16 x y)
  1658  	// cond:
  1659  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  1660  	for {
  1661  		x := v.Args[0]
  1662  		y := v.Args[1]
  1663  		v.reset(OpS390XMOVDEQ)
  1664  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1665  		v0.AuxInt = 0
  1666  		v.AddArg(v0)
  1667  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1668  		v1.AuxInt = 1
  1669  		v.AddArg(v1)
  1670  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  1671  		v3 := b.NewValue0(v.Pos, OpS390XMOVHreg, types.Int64)
  1672  		v3.AddArg(x)
  1673  		v2.AddArg(v3)
  1674  		v4 := b.NewValue0(v.Pos, OpS390XMOVHreg, types.Int64)
  1675  		v4.AddArg(y)
  1676  		v2.AddArg(v4)
  1677  		v.AddArg(v2)
  1678  		return true
  1679  	}
  1680  }
  1681  func rewriteValueS390X_OpEq32(v *Value) bool {
  1682  	b := v.Block
  1683  	_ = b
  1684  	types := &b.Func.Config.Types
  1685  	_ = types
  1686  	// match: (Eq32 x y)
  1687  	// cond:
  1688  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  1689  	for {
  1690  		x := v.Args[0]
  1691  		y := v.Args[1]
  1692  		v.reset(OpS390XMOVDEQ)
  1693  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1694  		v0.AuxInt = 0
  1695  		v.AddArg(v0)
  1696  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1697  		v1.AuxInt = 1
  1698  		v.AddArg(v1)
  1699  		v2 := b.NewValue0(v.Pos, OpS390XCMPW, TypeFlags)
  1700  		v2.AddArg(x)
  1701  		v2.AddArg(y)
  1702  		v.AddArg(v2)
  1703  		return true
  1704  	}
  1705  }
  1706  func rewriteValueS390X_OpEq32F(v *Value) bool {
  1707  	b := v.Block
  1708  	_ = b
  1709  	types := &b.Func.Config.Types
  1710  	_ = types
  1711  	// match: (Eq32F x y)
  1712  	// cond:
  1713  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (FCMPS x y))
  1714  	for {
  1715  		x := v.Args[0]
  1716  		y := v.Args[1]
  1717  		v.reset(OpS390XMOVDEQ)
  1718  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1719  		v0.AuxInt = 0
  1720  		v.AddArg(v0)
  1721  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1722  		v1.AuxInt = 1
  1723  		v.AddArg(v1)
  1724  		v2 := b.NewValue0(v.Pos, OpS390XFCMPS, TypeFlags)
  1725  		v2.AddArg(x)
  1726  		v2.AddArg(y)
  1727  		v.AddArg(v2)
  1728  		return true
  1729  	}
  1730  }
  1731  func rewriteValueS390X_OpEq64(v *Value) bool {
  1732  	b := v.Block
  1733  	_ = b
  1734  	types := &b.Func.Config.Types
  1735  	_ = types
  1736  	// match: (Eq64 x y)
  1737  	// cond:
  1738  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  1739  	for {
  1740  		x := v.Args[0]
  1741  		y := v.Args[1]
  1742  		v.reset(OpS390XMOVDEQ)
  1743  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1744  		v0.AuxInt = 0
  1745  		v.AddArg(v0)
  1746  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1747  		v1.AuxInt = 1
  1748  		v.AddArg(v1)
  1749  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  1750  		v2.AddArg(x)
  1751  		v2.AddArg(y)
  1752  		v.AddArg(v2)
  1753  		return true
  1754  	}
  1755  }
  1756  func rewriteValueS390X_OpEq64F(v *Value) bool {
  1757  	b := v.Block
  1758  	_ = b
  1759  	types := &b.Func.Config.Types
  1760  	_ = types
  1761  	// match: (Eq64F x y)
  1762  	// cond:
  1763  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (FCMP x y))
  1764  	for {
  1765  		x := v.Args[0]
  1766  		y := v.Args[1]
  1767  		v.reset(OpS390XMOVDEQ)
  1768  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1769  		v0.AuxInt = 0
  1770  		v.AddArg(v0)
  1771  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1772  		v1.AuxInt = 1
  1773  		v.AddArg(v1)
  1774  		v2 := b.NewValue0(v.Pos, OpS390XFCMP, TypeFlags)
  1775  		v2.AddArg(x)
  1776  		v2.AddArg(y)
  1777  		v.AddArg(v2)
  1778  		return true
  1779  	}
  1780  }
  1781  func rewriteValueS390X_OpEq8(v *Value) bool {
  1782  	b := v.Block
  1783  	_ = b
  1784  	types := &b.Func.Config.Types
  1785  	_ = types
  1786  	// match: (Eq8 x y)
  1787  	// cond:
  1788  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  1789  	for {
  1790  		x := v.Args[0]
  1791  		y := v.Args[1]
  1792  		v.reset(OpS390XMOVDEQ)
  1793  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1794  		v0.AuxInt = 0
  1795  		v.AddArg(v0)
  1796  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1797  		v1.AuxInt = 1
  1798  		v.AddArg(v1)
  1799  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  1800  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  1801  		v3.AddArg(x)
  1802  		v2.AddArg(v3)
  1803  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  1804  		v4.AddArg(y)
  1805  		v2.AddArg(v4)
  1806  		v.AddArg(v2)
  1807  		return true
  1808  	}
  1809  }
  1810  func rewriteValueS390X_OpEqB(v *Value) bool {
  1811  	b := v.Block
  1812  	_ = b
  1813  	types := &b.Func.Config.Types
  1814  	_ = types
  1815  	// match: (EqB x y)
  1816  	// cond:
  1817  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  1818  	for {
  1819  		x := v.Args[0]
  1820  		y := v.Args[1]
  1821  		v.reset(OpS390XMOVDEQ)
  1822  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1823  		v0.AuxInt = 0
  1824  		v.AddArg(v0)
  1825  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1826  		v1.AuxInt = 1
  1827  		v.AddArg(v1)
  1828  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  1829  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  1830  		v3.AddArg(x)
  1831  		v2.AddArg(v3)
  1832  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  1833  		v4.AddArg(y)
  1834  		v2.AddArg(v4)
  1835  		v.AddArg(v2)
  1836  		return true
  1837  	}
  1838  }
  1839  func rewriteValueS390X_OpEqPtr(v *Value) bool {
  1840  	b := v.Block
  1841  	_ = b
  1842  	types := &b.Func.Config.Types
  1843  	_ = types
  1844  	// match: (EqPtr x y)
  1845  	// cond:
  1846  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  1847  	for {
  1848  		x := v.Args[0]
  1849  		y := v.Args[1]
  1850  		v.reset(OpS390XMOVDEQ)
  1851  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1852  		v0.AuxInt = 0
  1853  		v.AddArg(v0)
  1854  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1855  		v1.AuxInt = 1
  1856  		v.AddArg(v1)
  1857  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  1858  		v2.AddArg(x)
  1859  		v2.AddArg(y)
  1860  		v.AddArg(v2)
  1861  		return true
  1862  	}
  1863  }
  1864  func rewriteValueS390X_OpGeq16(v *Value) bool {
  1865  	b := v.Block
  1866  	_ = b
  1867  	types := &b.Func.Config.Types
  1868  	_ = types
  1869  	// match: (Geq16 x y)
  1870  	// cond:
  1871  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  1872  	for {
  1873  		x := v.Args[0]
  1874  		y := v.Args[1]
  1875  		v.reset(OpS390XMOVDGE)
  1876  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1877  		v0.AuxInt = 0
  1878  		v.AddArg(v0)
  1879  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1880  		v1.AuxInt = 1
  1881  		v.AddArg(v1)
  1882  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  1883  		v3 := b.NewValue0(v.Pos, OpS390XMOVHreg, types.Int64)
  1884  		v3.AddArg(x)
  1885  		v2.AddArg(v3)
  1886  		v4 := b.NewValue0(v.Pos, OpS390XMOVHreg, types.Int64)
  1887  		v4.AddArg(y)
  1888  		v2.AddArg(v4)
  1889  		v.AddArg(v2)
  1890  		return true
  1891  	}
  1892  }
  1893  func rewriteValueS390X_OpGeq16U(v *Value) bool {
  1894  	b := v.Block
  1895  	_ = b
  1896  	types := &b.Func.Config.Types
  1897  	_ = types
  1898  	// match: (Geq16U x y)
  1899  	// cond:
  1900  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVHZreg x) (MOVHZreg y)))
  1901  	for {
  1902  		x := v.Args[0]
  1903  		y := v.Args[1]
  1904  		v.reset(OpS390XMOVDGE)
  1905  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1906  		v0.AuxInt = 0
  1907  		v.AddArg(v0)
  1908  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1909  		v1.AuxInt = 1
  1910  		v.AddArg(v1)
  1911  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  1912  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  1913  		v3.AddArg(x)
  1914  		v2.AddArg(v3)
  1915  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  1916  		v4.AddArg(y)
  1917  		v2.AddArg(v4)
  1918  		v.AddArg(v2)
  1919  		return true
  1920  	}
  1921  }
  1922  func rewriteValueS390X_OpGeq32(v *Value) bool {
  1923  	b := v.Block
  1924  	_ = b
  1925  	types := &b.Func.Config.Types
  1926  	_ = types
  1927  	// match: (Geq32 x y)
  1928  	// cond:
  1929  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  1930  	for {
  1931  		x := v.Args[0]
  1932  		y := v.Args[1]
  1933  		v.reset(OpS390XMOVDGE)
  1934  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1935  		v0.AuxInt = 0
  1936  		v.AddArg(v0)
  1937  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1938  		v1.AuxInt = 1
  1939  		v.AddArg(v1)
  1940  		v2 := b.NewValue0(v.Pos, OpS390XCMPW, TypeFlags)
  1941  		v2.AddArg(x)
  1942  		v2.AddArg(y)
  1943  		v.AddArg(v2)
  1944  		return true
  1945  	}
  1946  }
  1947  func rewriteValueS390X_OpGeq32F(v *Value) bool {
  1948  	b := v.Block
  1949  	_ = b
  1950  	types := &b.Func.Config.Types
  1951  	_ = types
  1952  	// match: (Geq32F x y)
  1953  	// cond:
  1954  	// result: (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMPS x y))
  1955  	for {
  1956  		x := v.Args[0]
  1957  		y := v.Args[1]
  1958  		v.reset(OpS390XMOVDGEnoinv)
  1959  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1960  		v0.AuxInt = 0
  1961  		v.AddArg(v0)
  1962  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1963  		v1.AuxInt = 1
  1964  		v.AddArg(v1)
  1965  		v2 := b.NewValue0(v.Pos, OpS390XFCMPS, TypeFlags)
  1966  		v2.AddArg(x)
  1967  		v2.AddArg(y)
  1968  		v.AddArg(v2)
  1969  		return true
  1970  	}
  1971  }
  1972  func rewriteValueS390X_OpGeq32U(v *Value) bool {
  1973  	b := v.Block
  1974  	_ = b
  1975  	types := &b.Func.Config.Types
  1976  	_ = types
  1977  	// match: (Geq32U x y)
  1978  	// cond:
  1979  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPWU x y))
  1980  	for {
  1981  		x := v.Args[0]
  1982  		y := v.Args[1]
  1983  		v.reset(OpS390XMOVDGE)
  1984  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1985  		v0.AuxInt = 0
  1986  		v.AddArg(v0)
  1987  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  1988  		v1.AuxInt = 1
  1989  		v.AddArg(v1)
  1990  		v2 := b.NewValue0(v.Pos, OpS390XCMPWU, TypeFlags)
  1991  		v2.AddArg(x)
  1992  		v2.AddArg(y)
  1993  		v.AddArg(v2)
  1994  		return true
  1995  	}
  1996  }
  1997  func rewriteValueS390X_OpGeq64(v *Value) bool {
  1998  	b := v.Block
  1999  	_ = b
  2000  	types := &b.Func.Config.Types
  2001  	_ = types
  2002  	// match: (Geq64 x y)
  2003  	// cond:
  2004  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  2005  	for {
  2006  		x := v.Args[0]
  2007  		y := v.Args[1]
  2008  		v.reset(OpS390XMOVDGE)
  2009  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2010  		v0.AuxInt = 0
  2011  		v.AddArg(v0)
  2012  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2013  		v1.AuxInt = 1
  2014  		v.AddArg(v1)
  2015  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2016  		v2.AddArg(x)
  2017  		v2.AddArg(y)
  2018  		v.AddArg(v2)
  2019  		return true
  2020  	}
  2021  }
  2022  func rewriteValueS390X_OpGeq64F(v *Value) bool {
  2023  	b := v.Block
  2024  	_ = b
  2025  	types := &b.Func.Config.Types
  2026  	_ = types
  2027  	// match: (Geq64F x y)
  2028  	// cond:
  2029  	// result: (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMP x y))
  2030  	for {
  2031  		x := v.Args[0]
  2032  		y := v.Args[1]
  2033  		v.reset(OpS390XMOVDGEnoinv)
  2034  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2035  		v0.AuxInt = 0
  2036  		v.AddArg(v0)
  2037  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2038  		v1.AuxInt = 1
  2039  		v.AddArg(v1)
  2040  		v2 := b.NewValue0(v.Pos, OpS390XFCMP, TypeFlags)
  2041  		v2.AddArg(x)
  2042  		v2.AddArg(y)
  2043  		v.AddArg(v2)
  2044  		return true
  2045  	}
  2046  }
  2047  func rewriteValueS390X_OpGeq64U(v *Value) bool {
  2048  	b := v.Block
  2049  	_ = b
  2050  	types := &b.Func.Config.Types
  2051  	_ = types
  2052  	// match: (Geq64U x y)
  2053  	// cond:
  2054  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPU x y))
  2055  	for {
  2056  		x := v.Args[0]
  2057  		y := v.Args[1]
  2058  		v.reset(OpS390XMOVDGE)
  2059  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2060  		v0.AuxInt = 0
  2061  		v.AddArg(v0)
  2062  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2063  		v1.AuxInt = 1
  2064  		v.AddArg(v1)
  2065  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2066  		v2.AddArg(x)
  2067  		v2.AddArg(y)
  2068  		v.AddArg(v2)
  2069  		return true
  2070  	}
  2071  }
  2072  func rewriteValueS390X_OpGeq8(v *Value) bool {
  2073  	b := v.Block
  2074  	_ = b
  2075  	types := &b.Func.Config.Types
  2076  	_ = types
  2077  	// match: (Geq8 x y)
  2078  	// cond:
  2079  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  2080  	for {
  2081  		x := v.Args[0]
  2082  		y := v.Args[1]
  2083  		v.reset(OpS390XMOVDGE)
  2084  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2085  		v0.AuxInt = 0
  2086  		v.AddArg(v0)
  2087  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2088  		v1.AuxInt = 1
  2089  		v.AddArg(v1)
  2090  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2091  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  2092  		v3.AddArg(x)
  2093  		v2.AddArg(v3)
  2094  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  2095  		v4.AddArg(y)
  2096  		v2.AddArg(v4)
  2097  		v.AddArg(v2)
  2098  		return true
  2099  	}
  2100  }
  2101  func rewriteValueS390X_OpGeq8U(v *Value) bool {
  2102  	b := v.Block
  2103  	_ = b
  2104  	types := &b.Func.Config.Types
  2105  	_ = types
  2106  	// match: (Geq8U x y)
  2107  	// cond:
  2108  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVBZreg x) (MOVBZreg y)))
  2109  	for {
  2110  		x := v.Args[0]
  2111  		y := v.Args[1]
  2112  		v.reset(OpS390XMOVDGE)
  2113  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2114  		v0.AuxInt = 0
  2115  		v.AddArg(v0)
  2116  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2117  		v1.AuxInt = 1
  2118  		v.AddArg(v1)
  2119  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2120  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  2121  		v3.AddArg(x)
  2122  		v2.AddArg(v3)
  2123  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  2124  		v4.AddArg(y)
  2125  		v2.AddArg(v4)
  2126  		v.AddArg(v2)
  2127  		return true
  2128  	}
  2129  }
  2130  func rewriteValueS390X_OpGetClosurePtr(v *Value) bool {
  2131  	// match: (GetClosurePtr)
  2132  	// cond:
  2133  	// result: (LoweredGetClosurePtr)
  2134  	for {
  2135  		v.reset(OpS390XLoweredGetClosurePtr)
  2136  		return true
  2137  	}
  2138  }
  2139  func rewriteValueS390X_OpGetG(v *Value) bool {
  2140  	// match: (GetG mem)
  2141  	// cond:
  2142  	// result: (LoweredGetG mem)
  2143  	for {
  2144  		mem := v.Args[0]
  2145  		v.reset(OpS390XLoweredGetG)
  2146  		v.AddArg(mem)
  2147  		return true
  2148  	}
  2149  }
  2150  func rewriteValueS390X_OpGreater16(v *Value) bool {
  2151  	b := v.Block
  2152  	_ = b
  2153  	types := &b.Func.Config.Types
  2154  	_ = types
  2155  	// match: (Greater16 x y)
  2156  	// cond:
  2157  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  2158  	for {
  2159  		x := v.Args[0]
  2160  		y := v.Args[1]
  2161  		v.reset(OpS390XMOVDGT)
  2162  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2163  		v0.AuxInt = 0
  2164  		v.AddArg(v0)
  2165  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2166  		v1.AuxInt = 1
  2167  		v.AddArg(v1)
  2168  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2169  		v3 := b.NewValue0(v.Pos, OpS390XMOVHreg, types.Int64)
  2170  		v3.AddArg(x)
  2171  		v2.AddArg(v3)
  2172  		v4 := b.NewValue0(v.Pos, OpS390XMOVHreg, types.Int64)
  2173  		v4.AddArg(y)
  2174  		v2.AddArg(v4)
  2175  		v.AddArg(v2)
  2176  		return true
  2177  	}
  2178  }
  2179  func rewriteValueS390X_OpGreater16U(v *Value) bool {
  2180  	b := v.Block
  2181  	_ = b
  2182  	types := &b.Func.Config.Types
  2183  	_ = types
  2184  	// match: (Greater16U x y)
  2185  	// cond:
  2186  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVHZreg x) (MOVHZreg y)))
  2187  	for {
  2188  		x := v.Args[0]
  2189  		y := v.Args[1]
  2190  		v.reset(OpS390XMOVDGT)
  2191  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2192  		v0.AuxInt = 0
  2193  		v.AddArg(v0)
  2194  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2195  		v1.AuxInt = 1
  2196  		v.AddArg(v1)
  2197  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2198  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  2199  		v3.AddArg(x)
  2200  		v2.AddArg(v3)
  2201  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  2202  		v4.AddArg(y)
  2203  		v2.AddArg(v4)
  2204  		v.AddArg(v2)
  2205  		return true
  2206  	}
  2207  }
  2208  func rewriteValueS390X_OpGreater32(v *Value) bool {
  2209  	b := v.Block
  2210  	_ = b
  2211  	types := &b.Func.Config.Types
  2212  	_ = types
  2213  	// match: (Greater32 x y)
  2214  	// cond:
  2215  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  2216  	for {
  2217  		x := v.Args[0]
  2218  		y := v.Args[1]
  2219  		v.reset(OpS390XMOVDGT)
  2220  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2221  		v0.AuxInt = 0
  2222  		v.AddArg(v0)
  2223  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2224  		v1.AuxInt = 1
  2225  		v.AddArg(v1)
  2226  		v2 := b.NewValue0(v.Pos, OpS390XCMPW, TypeFlags)
  2227  		v2.AddArg(x)
  2228  		v2.AddArg(y)
  2229  		v.AddArg(v2)
  2230  		return true
  2231  	}
  2232  }
  2233  func rewriteValueS390X_OpGreater32F(v *Value) bool {
  2234  	b := v.Block
  2235  	_ = b
  2236  	types := &b.Func.Config.Types
  2237  	_ = types
  2238  	// match: (Greater32F x y)
  2239  	// cond:
  2240  	// result: (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMPS x y))
  2241  	for {
  2242  		x := v.Args[0]
  2243  		y := v.Args[1]
  2244  		v.reset(OpS390XMOVDGTnoinv)
  2245  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2246  		v0.AuxInt = 0
  2247  		v.AddArg(v0)
  2248  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2249  		v1.AuxInt = 1
  2250  		v.AddArg(v1)
  2251  		v2 := b.NewValue0(v.Pos, OpS390XFCMPS, TypeFlags)
  2252  		v2.AddArg(x)
  2253  		v2.AddArg(y)
  2254  		v.AddArg(v2)
  2255  		return true
  2256  	}
  2257  }
  2258  func rewriteValueS390X_OpGreater32U(v *Value) bool {
  2259  	b := v.Block
  2260  	_ = b
  2261  	types := &b.Func.Config.Types
  2262  	_ = types
  2263  	// match: (Greater32U x y)
  2264  	// cond:
  2265  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPWU x y))
  2266  	for {
  2267  		x := v.Args[0]
  2268  		y := v.Args[1]
  2269  		v.reset(OpS390XMOVDGT)
  2270  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2271  		v0.AuxInt = 0
  2272  		v.AddArg(v0)
  2273  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2274  		v1.AuxInt = 1
  2275  		v.AddArg(v1)
  2276  		v2 := b.NewValue0(v.Pos, OpS390XCMPWU, TypeFlags)
  2277  		v2.AddArg(x)
  2278  		v2.AddArg(y)
  2279  		v.AddArg(v2)
  2280  		return true
  2281  	}
  2282  }
  2283  func rewriteValueS390X_OpGreater64(v *Value) bool {
  2284  	b := v.Block
  2285  	_ = b
  2286  	types := &b.Func.Config.Types
  2287  	_ = types
  2288  	// match: (Greater64 x y)
  2289  	// cond:
  2290  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  2291  	for {
  2292  		x := v.Args[0]
  2293  		y := v.Args[1]
  2294  		v.reset(OpS390XMOVDGT)
  2295  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2296  		v0.AuxInt = 0
  2297  		v.AddArg(v0)
  2298  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2299  		v1.AuxInt = 1
  2300  		v.AddArg(v1)
  2301  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2302  		v2.AddArg(x)
  2303  		v2.AddArg(y)
  2304  		v.AddArg(v2)
  2305  		return true
  2306  	}
  2307  }
  2308  func rewriteValueS390X_OpGreater64F(v *Value) bool {
  2309  	b := v.Block
  2310  	_ = b
  2311  	types := &b.Func.Config.Types
  2312  	_ = types
  2313  	// match: (Greater64F x y)
  2314  	// cond:
  2315  	// result: (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMP x y))
  2316  	for {
  2317  		x := v.Args[0]
  2318  		y := v.Args[1]
  2319  		v.reset(OpS390XMOVDGTnoinv)
  2320  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2321  		v0.AuxInt = 0
  2322  		v.AddArg(v0)
  2323  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2324  		v1.AuxInt = 1
  2325  		v.AddArg(v1)
  2326  		v2 := b.NewValue0(v.Pos, OpS390XFCMP, TypeFlags)
  2327  		v2.AddArg(x)
  2328  		v2.AddArg(y)
  2329  		v.AddArg(v2)
  2330  		return true
  2331  	}
  2332  }
  2333  func rewriteValueS390X_OpGreater64U(v *Value) bool {
  2334  	b := v.Block
  2335  	_ = b
  2336  	types := &b.Func.Config.Types
  2337  	_ = types
  2338  	// match: (Greater64U x y)
  2339  	// cond:
  2340  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPU x y))
  2341  	for {
  2342  		x := v.Args[0]
  2343  		y := v.Args[1]
  2344  		v.reset(OpS390XMOVDGT)
  2345  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2346  		v0.AuxInt = 0
  2347  		v.AddArg(v0)
  2348  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2349  		v1.AuxInt = 1
  2350  		v.AddArg(v1)
  2351  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2352  		v2.AddArg(x)
  2353  		v2.AddArg(y)
  2354  		v.AddArg(v2)
  2355  		return true
  2356  	}
  2357  }
  2358  func rewriteValueS390X_OpGreater8(v *Value) bool {
  2359  	b := v.Block
  2360  	_ = b
  2361  	types := &b.Func.Config.Types
  2362  	_ = types
  2363  	// match: (Greater8 x y)
  2364  	// cond:
  2365  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  2366  	for {
  2367  		x := v.Args[0]
  2368  		y := v.Args[1]
  2369  		v.reset(OpS390XMOVDGT)
  2370  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2371  		v0.AuxInt = 0
  2372  		v.AddArg(v0)
  2373  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2374  		v1.AuxInt = 1
  2375  		v.AddArg(v1)
  2376  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2377  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  2378  		v3.AddArg(x)
  2379  		v2.AddArg(v3)
  2380  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  2381  		v4.AddArg(y)
  2382  		v2.AddArg(v4)
  2383  		v.AddArg(v2)
  2384  		return true
  2385  	}
  2386  }
  2387  func rewriteValueS390X_OpGreater8U(v *Value) bool {
  2388  	b := v.Block
  2389  	_ = b
  2390  	types := &b.Func.Config.Types
  2391  	_ = types
  2392  	// match: (Greater8U x y)
  2393  	// cond:
  2394  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVBZreg x) (MOVBZreg y)))
  2395  	for {
  2396  		x := v.Args[0]
  2397  		y := v.Args[1]
  2398  		v.reset(OpS390XMOVDGT)
  2399  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2400  		v0.AuxInt = 0
  2401  		v.AddArg(v0)
  2402  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2403  		v1.AuxInt = 1
  2404  		v.AddArg(v1)
  2405  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2406  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  2407  		v3.AddArg(x)
  2408  		v2.AddArg(v3)
  2409  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  2410  		v4.AddArg(y)
  2411  		v2.AddArg(v4)
  2412  		v.AddArg(v2)
  2413  		return true
  2414  	}
  2415  }
  2416  func rewriteValueS390X_OpHmul32(v *Value) bool {
  2417  	b := v.Block
  2418  	_ = b
  2419  	types := &b.Func.Config.Types
  2420  	_ = types
  2421  	// match: (Hmul32 x y)
  2422  	// cond:
  2423  	// result: (SRDconst [32] (MULLD (MOVWreg x) (MOVWreg y)))
  2424  	for {
  2425  		x := v.Args[0]
  2426  		y := v.Args[1]
  2427  		v.reset(OpS390XSRDconst)
  2428  		v.AuxInt = 32
  2429  		v0 := b.NewValue0(v.Pos, OpS390XMULLD, types.Int64)
  2430  		v1 := b.NewValue0(v.Pos, OpS390XMOVWreg, types.Int64)
  2431  		v1.AddArg(x)
  2432  		v0.AddArg(v1)
  2433  		v2 := b.NewValue0(v.Pos, OpS390XMOVWreg, types.Int64)
  2434  		v2.AddArg(y)
  2435  		v0.AddArg(v2)
  2436  		v.AddArg(v0)
  2437  		return true
  2438  	}
  2439  }
  2440  func rewriteValueS390X_OpHmul32u(v *Value) bool {
  2441  	b := v.Block
  2442  	_ = b
  2443  	types := &b.Func.Config.Types
  2444  	_ = types
  2445  	// match: (Hmul32u x y)
  2446  	// cond:
  2447  	// result: (SRDconst [32] (MULLD (MOVWZreg x) (MOVWZreg y)))
  2448  	for {
  2449  		x := v.Args[0]
  2450  		y := v.Args[1]
  2451  		v.reset(OpS390XSRDconst)
  2452  		v.AuxInt = 32
  2453  		v0 := b.NewValue0(v.Pos, OpS390XMULLD, types.Int64)
  2454  		v1 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
  2455  		v1.AddArg(x)
  2456  		v0.AddArg(v1)
  2457  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
  2458  		v2.AddArg(y)
  2459  		v0.AddArg(v2)
  2460  		v.AddArg(v0)
  2461  		return true
  2462  	}
  2463  }
  2464  func rewriteValueS390X_OpHmul64(v *Value) bool {
  2465  	// match: (Hmul64 x y)
  2466  	// cond:
  2467  	// result: (MULHD  x y)
  2468  	for {
  2469  		x := v.Args[0]
  2470  		y := v.Args[1]
  2471  		v.reset(OpS390XMULHD)
  2472  		v.AddArg(x)
  2473  		v.AddArg(y)
  2474  		return true
  2475  	}
  2476  }
  2477  func rewriteValueS390X_OpHmul64u(v *Value) bool {
  2478  	// match: (Hmul64u x y)
  2479  	// cond:
  2480  	// result: (MULHDU x y)
  2481  	for {
  2482  		x := v.Args[0]
  2483  		y := v.Args[1]
  2484  		v.reset(OpS390XMULHDU)
  2485  		v.AddArg(x)
  2486  		v.AddArg(y)
  2487  		return true
  2488  	}
  2489  }
  2490  func rewriteValueS390X_OpITab(v *Value) bool {
  2491  	// match: (ITab (Load ptr mem))
  2492  	// cond:
  2493  	// result: (MOVDload ptr mem)
  2494  	for {
  2495  		v_0 := v.Args[0]
  2496  		if v_0.Op != OpLoad {
  2497  			break
  2498  		}
  2499  		ptr := v_0.Args[0]
  2500  		mem := v_0.Args[1]
  2501  		v.reset(OpS390XMOVDload)
  2502  		v.AddArg(ptr)
  2503  		v.AddArg(mem)
  2504  		return true
  2505  	}
  2506  	return false
  2507  }
  2508  func rewriteValueS390X_OpInterCall(v *Value) bool {
  2509  	// match: (InterCall [argwid] entry mem)
  2510  	// cond:
  2511  	// result: (CALLinter [argwid] entry mem)
  2512  	for {
  2513  		argwid := v.AuxInt
  2514  		entry := v.Args[0]
  2515  		mem := v.Args[1]
  2516  		v.reset(OpS390XCALLinter)
  2517  		v.AuxInt = argwid
  2518  		v.AddArg(entry)
  2519  		v.AddArg(mem)
  2520  		return true
  2521  	}
  2522  }
  2523  func rewriteValueS390X_OpIsInBounds(v *Value) bool {
  2524  	b := v.Block
  2525  	_ = b
  2526  	types := &b.Func.Config.Types
  2527  	_ = types
  2528  	// match: (IsInBounds idx len)
  2529  	// cond:
  2530  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPU idx len))
  2531  	for {
  2532  		idx := v.Args[0]
  2533  		len := v.Args[1]
  2534  		v.reset(OpS390XMOVDLT)
  2535  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2536  		v0.AuxInt = 0
  2537  		v.AddArg(v0)
  2538  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2539  		v1.AuxInt = 1
  2540  		v.AddArg(v1)
  2541  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2542  		v2.AddArg(idx)
  2543  		v2.AddArg(len)
  2544  		v.AddArg(v2)
  2545  		return true
  2546  	}
  2547  }
  2548  func rewriteValueS390X_OpIsNonNil(v *Value) bool {
  2549  	b := v.Block
  2550  	_ = b
  2551  	types := &b.Func.Config.Types
  2552  	_ = types
  2553  	// match: (IsNonNil p)
  2554  	// cond:
  2555  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMPconst p [0]))
  2556  	for {
  2557  		p := v.Args[0]
  2558  		v.reset(OpS390XMOVDNE)
  2559  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2560  		v0.AuxInt = 0
  2561  		v.AddArg(v0)
  2562  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2563  		v1.AuxInt = 1
  2564  		v.AddArg(v1)
  2565  		v2 := b.NewValue0(v.Pos, OpS390XCMPconst, TypeFlags)
  2566  		v2.AuxInt = 0
  2567  		v2.AddArg(p)
  2568  		v.AddArg(v2)
  2569  		return true
  2570  	}
  2571  }
  2572  func rewriteValueS390X_OpIsSliceInBounds(v *Value) bool {
  2573  	b := v.Block
  2574  	_ = b
  2575  	types := &b.Func.Config.Types
  2576  	_ = types
  2577  	// match: (IsSliceInBounds idx len)
  2578  	// cond:
  2579  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPU idx len))
  2580  	for {
  2581  		idx := v.Args[0]
  2582  		len := v.Args[1]
  2583  		v.reset(OpS390XMOVDLE)
  2584  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2585  		v0.AuxInt = 0
  2586  		v.AddArg(v0)
  2587  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2588  		v1.AuxInt = 1
  2589  		v.AddArg(v1)
  2590  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2591  		v2.AddArg(idx)
  2592  		v2.AddArg(len)
  2593  		v.AddArg(v2)
  2594  		return true
  2595  	}
  2596  }
  2597  func rewriteValueS390X_OpLeq16(v *Value) bool {
  2598  	b := v.Block
  2599  	_ = b
  2600  	types := &b.Func.Config.Types
  2601  	_ = types
  2602  	// match: (Leq16 x y)
  2603  	// cond:
  2604  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  2605  	for {
  2606  		x := v.Args[0]
  2607  		y := v.Args[1]
  2608  		v.reset(OpS390XMOVDLE)
  2609  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2610  		v0.AuxInt = 0
  2611  		v.AddArg(v0)
  2612  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2613  		v1.AuxInt = 1
  2614  		v.AddArg(v1)
  2615  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2616  		v3 := b.NewValue0(v.Pos, OpS390XMOVHreg, types.Int64)
  2617  		v3.AddArg(x)
  2618  		v2.AddArg(v3)
  2619  		v4 := b.NewValue0(v.Pos, OpS390XMOVHreg, types.Int64)
  2620  		v4.AddArg(y)
  2621  		v2.AddArg(v4)
  2622  		v.AddArg(v2)
  2623  		return true
  2624  	}
  2625  }
  2626  func rewriteValueS390X_OpLeq16U(v *Value) bool {
  2627  	b := v.Block
  2628  	_ = b
  2629  	types := &b.Func.Config.Types
  2630  	_ = types
  2631  	// match: (Leq16U x y)
  2632  	// cond:
  2633  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVHZreg x) (MOVHZreg y)))
  2634  	for {
  2635  		x := v.Args[0]
  2636  		y := v.Args[1]
  2637  		v.reset(OpS390XMOVDLE)
  2638  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2639  		v0.AuxInt = 0
  2640  		v.AddArg(v0)
  2641  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2642  		v1.AuxInt = 1
  2643  		v.AddArg(v1)
  2644  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2645  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  2646  		v3.AddArg(x)
  2647  		v2.AddArg(v3)
  2648  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  2649  		v4.AddArg(y)
  2650  		v2.AddArg(v4)
  2651  		v.AddArg(v2)
  2652  		return true
  2653  	}
  2654  }
  2655  func rewriteValueS390X_OpLeq32(v *Value) bool {
  2656  	b := v.Block
  2657  	_ = b
  2658  	types := &b.Func.Config.Types
  2659  	_ = types
  2660  	// match: (Leq32 x y)
  2661  	// cond:
  2662  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  2663  	for {
  2664  		x := v.Args[0]
  2665  		y := v.Args[1]
  2666  		v.reset(OpS390XMOVDLE)
  2667  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2668  		v0.AuxInt = 0
  2669  		v.AddArg(v0)
  2670  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2671  		v1.AuxInt = 1
  2672  		v.AddArg(v1)
  2673  		v2 := b.NewValue0(v.Pos, OpS390XCMPW, TypeFlags)
  2674  		v2.AddArg(x)
  2675  		v2.AddArg(y)
  2676  		v.AddArg(v2)
  2677  		return true
  2678  	}
  2679  }
  2680  func rewriteValueS390X_OpLeq32F(v *Value) bool {
  2681  	b := v.Block
  2682  	_ = b
  2683  	types := &b.Func.Config.Types
  2684  	_ = types
  2685  	// match: (Leq32F x y)
  2686  	// cond:
  2687  	// result: (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMPS y x))
  2688  	for {
  2689  		x := v.Args[0]
  2690  		y := v.Args[1]
  2691  		v.reset(OpS390XMOVDGEnoinv)
  2692  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2693  		v0.AuxInt = 0
  2694  		v.AddArg(v0)
  2695  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2696  		v1.AuxInt = 1
  2697  		v.AddArg(v1)
  2698  		v2 := b.NewValue0(v.Pos, OpS390XFCMPS, TypeFlags)
  2699  		v2.AddArg(y)
  2700  		v2.AddArg(x)
  2701  		v.AddArg(v2)
  2702  		return true
  2703  	}
  2704  }
  2705  func rewriteValueS390X_OpLeq32U(v *Value) bool {
  2706  	b := v.Block
  2707  	_ = b
  2708  	types := &b.Func.Config.Types
  2709  	_ = types
  2710  	// match: (Leq32U x y)
  2711  	// cond:
  2712  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPWU x y))
  2713  	for {
  2714  		x := v.Args[0]
  2715  		y := v.Args[1]
  2716  		v.reset(OpS390XMOVDLE)
  2717  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2718  		v0.AuxInt = 0
  2719  		v.AddArg(v0)
  2720  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2721  		v1.AuxInt = 1
  2722  		v.AddArg(v1)
  2723  		v2 := b.NewValue0(v.Pos, OpS390XCMPWU, TypeFlags)
  2724  		v2.AddArg(x)
  2725  		v2.AddArg(y)
  2726  		v.AddArg(v2)
  2727  		return true
  2728  	}
  2729  }
  2730  func rewriteValueS390X_OpLeq64(v *Value) bool {
  2731  	b := v.Block
  2732  	_ = b
  2733  	types := &b.Func.Config.Types
  2734  	_ = types
  2735  	// match: (Leq64 x y)
  2736  	// cond:
  2737  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  2738  	for {
  2739  		x := v.Args[0]
  2740  		y := v.Args[1]
  2741  		v.reset(OpS390XMOVDLE)
  2742  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2743  		v0.AuxInt = 0
  2744  		v.AddArg(v0)
  2745  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2746  		v1.AuxInt = 1
  2747  		v.AddArg(v1)
  2748  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2749  		v2.AddArg(x)
  2750  		v2.AddArg(y)
  2751  		v.AddArg(v2)
  2752  		return true
  2753  	}
  2754  }
  2755  func rewriteValueS390X_OpLeq64F(v *Value) bool {
  2756  	b := v.Block
  2757  	_ = b
  2758  	types := &b.Func.Config.Types
  2759  	_ = types
  2760  	// match: (Leq64F x y)
  2761  	// cond:
  2762  	// result: (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMP y x))
  2763  	for {
  2764  		x := v.Args[0]
  2765  		y := v.Args[1]
  2766  		v.reset(OpS390XMOVDGEnoinv)
  2767  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2768  		v0.AuxInt = 0
  2769  		v.AddArg(v0)
  2770  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2771  		v1.AuxInt = 1
  2772  		v.AddArg(v1)
  2773  		v2 := b.NewValue0(v.Pos, OpS390XFCMP, TypeFlags)
  2774  		v2.AddArg(y)
  2775  		v2.AddArg(x)
  2776  		v.AddArg(v2)
  2777  		return true
  2778  	}
  2779  }
  2780  func rewriteValueS390X_OpLeq64U(v *Value) bool {
  2781  	b := v.Block
  2782  	_ = b
  2783  	types := &b.Func.Config.Types
  2784  	_ = types
  2785  	// match: (Leq64U x y)
  2786  	// cond:
  2787  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPU x y))
  2788  	for {
  2789  		x := v.Args[0]
  2790  		y := v.Args[1]
  2791  		v.reset(OpS390XMOVDLE)
  2792  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2793  		v0.AuxInt = 0
  2794  		v.AddArg(v0)
  2795  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2796  		v1.AuxInt = 1
  2797  		v.AddArg(v1)
  2798  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2799  		v2.AddArg(x)
  2800  		v2.AddArg(y)
  2801  		v.AddArg(v2)
  2802  		return true
  2803  	}
  2804  }
  2805  func rewriteValueS390X_OpLeq8(v *Value) bool {
  2806  	b := v.Block
  2807  	_ = b
  2808  	types := &b.Func.Config.Types
  2809  	_ = types
  2810  	// match: (Leq8 x y)
  2811  	// cond:
  2812  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  2813  	for {
  2814  		x := v.Args[0]
  2815  		y := v.Args[1]
  2816  		v.reset(OpS390XMOVDLE)
  2817  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2818  		v0.AuxInt = 0
  2819  		v.AddArg(v0)
  2820  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2821  		v1.AuxInt = 1
  2822  		v.AddArg(v1)
  2823  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2824  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  2825  		v3.AddArg(x)
  2826  		v2.AddArg(v3)
  2827  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  2828  		v4.AddArg(y)
  2829  		v2.AddArg(v4)
  2830  		v.AddArg(v2)
  2831  		return true
  2832  	}
  2833  }
  2834  func rewriteValueS390X_OpLeq8U(v *Value) bool {
  2835  	b := v.Block
  2836  	_ = b
  2837  	types := &b.Func.Config.Types
  2838  	_ = types
  2839  	// match: (Leq8U x y)
  2840  	// cond:
  2841  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVBZreg x) (MOVBZreg y)))
  2842  	for {
  2843  		x := v.Args[0]
  2844  		y := v.Args[1]
  2845  		v.reset(OpS390XMOVDLE)
  2846  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2847  		v0.AuxInt = 0
  2848  		v.AddArg(v0)
  2849  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2850  		v1.AuxInt = 1
  2851  		v.AddArg(v1)
  2852  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2853  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  2854  		v3.AddArg(x)
  2855  		v2.AddArg(v3)
  2856  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  2857  		v4.AddArg(y)
  2858  		v2.AddArg(v4)
  2859  		v.AddArg(v2)
  2860  		return true
  2861  	}
  2862  }
  2863  func rewriteValueS390X_OpLess16(v *Value) bool {
  2864  	b := v.Block
  2865  	_ = b
  2866  	types := &b.Func.Config.Types
  2867  	_ = types
  2868  	// match: (Less16 x y)
  2869  	// cond:
  2870  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  2871  	for {
  2872  		x := v.Args[0]
  2873  		y := v.Args[1]
  2874  		v.reset(OpS390XMOVDLT)
  2875  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2876  		v0.AuxInt = 0
  2877  		v.AddArg(v0)
  2878  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2879  		v1.AuxInt = 1
  2880  		v.AddArg(v1)
  2881  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2882  		v3 := b.NewValue0(v.Pos, OpS390XMOVHreg, types.Int64)
  2883  		v3.AddArg(x)
  2884  		v2.AddArg(v3)
  2885  		v4 := b.NewValue0(v.Pos, OpS390XMOVHreg, types.Int64)
  2886  		v4.AddArg(y)
  2887  		v2.AddArg(v4)
  2888  		v.AddArg(v2)
  2889  		return true
  2890  	}
  2891  }
  2892  func rewriteValueS390X_OpLess16U(v *Value) bool {
  2893  	b := v.Block
  2894  	_ = b
  2895  	types := &b.Func.Config.Types
  2896  	_ = types
  2897  	// match: (Less16U x y)
  2898  	// cond:
  2899  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVHZreg x) (MOVHZreg y)))
  2900  	for {
  2901  		x := v.Args[0]
  2902  		y := v.Args[1]
  2903  		v.reset(OpS390XMOVDLT)
  2904  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2905  		v0.AuxInt = 0
  2906  		v.AddArg(v0)
  2907  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2908  		v1.AuxInt = 1
  2909  		v.AddArg(v1)
  2910  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2911  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  2912  		v3.AddArg(x)
  2913  		v2.AddArg(v3)
  2914  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  2915  		v4.AddArg(y)
  2916  		v2.AddArg(v4)
  2917  		v.AddArg(v2)
  2918  		return true
  2919  	}
  2920  }
  2921  func rewriteValueS390X_OpLess32(v *Value) bool {
  2922  	b := v.Block
  2923  	_ = b
  2924  	types := &b.Func.Config.Types
  2925  	_ = types
  2926  	// match: (Less32 x y)
  2927  	// cond:
  2928  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  2929  	for {
  2930  		x := v.Args[0]
  2931  		y := v.Args[1]
  2932  		v.reset(OpS390XMOVDLT)
  2933  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2934  		v0.AuxInt = 0
  2935  		v.AddArg(v0)
  2936  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2937  		v1.AuxInt = 1
  2938  		v.AddArg(v1)
  2939  		v2 := b.NewValue0(v.Pos, OpS390XCMPW, TypeFlags)
  2940  		v2.AddArg(x)
  2941  		v2.AddArg(y)
  2942  		v.AddArg(v2)
  2943  		return true
  2944  	}
  2945  }
  2946  func rewriteValueS390X_OpLess32F(v *Value) bool {
  2947  	b := v.Block
  2948  	_ = b
  2949  	types := &b.Func.Config.Types
  2950  	_ = types
  2951  	// match: (Less32F x y)
  2952  	// cond:
  2953  	// result: (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMPS y x))
  2954  	for {
  2955  		x := v.Args[0]
  2956  		y := v.Args[1]
  2957  		v.reset(OpS390XMOVDGTnoinv)
  2958  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2959  		v0.AuxInt = 0
  2960  		v.AddArg(v0)
  2961  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2962  		v1.AuxInt = 1
  2963  		v.AddArg(v1)
  2964  		v2 := b.NewValue0(v.Pos, OpS390XFCMPS, TypeFlags)
  2965  		v2.AddArg(y)
  2966  		v2.AddArg(x)
  2967  		v.AddArg(v2)
  2968  		return true
  2969  	}
  2970  }
  2971  func rewriteValueS390X_OpLess32U(v *Value) bool {
  2972  	b := v.Block
  2973  	_ = b
  2974  	types := &b.Func.Config.Types
  2975  	_ = types
  2976  	// match: (Less32U x y)
  2977  	// cond:
  2978  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPWU x y))
  2979  	for {
  2980  		x := v.Args[0]
  2981  		y := v.Args[1]
  2982  		v.reset(OpS390XMOVDLT)
  2983  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2984  		v0.AuxInt = 0
  2985  		v.AddArg(v0)
  2986  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  2987  		v1.AuxInt = 1
  2988  		v.AddArg(v1)
  2989  		v2 := b.NewValue0(v.Pos, OpS390XCMPWU, TypeFlags)
  2990  		v2.AddArg(x)
  2991  		v2.AddArg(y)
  2992  		v.AddArg(v2)
  2993  		return true
  2994  	}
  2995  }
  2996  func rewriteValueS390X_OpLess64(v *Value) bool {
  2997  	b := v.Block
  2998  	_ = b
  2999  	types := &b.Func.Config.Types
  3000  	_ = types
  3001  	// match: (Less64 x y)
  3002  	// cond:
  3003  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  3004  	for {
  3005  		x := v.Args[0]
  3006  		y := v.Args[1]
  3007  		v.reset(OpS390XMOVDLT)
  3008  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  3009  		v0.AuxInt = 0
  3010  		v.AddArg(v0)
  3011  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  3012  		v1.AuxInt = 1
  3013  		v.AddArg(v1)
  3014  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  3015  		v2.AddArg(x)
  3016  		v2.AddArg(y)
  3017  		v.AddArg(v2)
  3018  		return true
  3019  	}
  3020  }
  3021  func rewriteValueS390X_OpLess64F(v *Value) bool {
  3022  	b := v.Block
  3023  	_ = b
  3024  	types := &b.Func.Config.Types
  3025  	_ = types
  3026  	// match: (Less64F x y)
  3027  	// cond:
  3028  	// result: (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMP y x))
  3029  	for {
  3030  		x := v.Args[0]
  3031  		y := v.Args[1]
  3032  		v.reset(OpS390XMOVDGTnoinv)
  3033  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  3034  		v0.AuxInt = 0
  3035  		v.AddArg(v0)
  3036  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  3037  		v1.AuxInt = 1
  3038  		v.AddArg(v1)
  3039  		v2 := b.NewValue0(v.Pos, OpS390XFCMP, TypeFlags)
  3040  		v2.AddArg(y)
  3041  		v2.AddArg(x)
  3042  		v.AddArg(v2)
  3043  		return true
  3044  	}
  3045  }
  3046  func rewriteValueS390X_OpLess64U(v *Value) bool {
  3047  	b := v.Block
  3048  	_ = b
  3049  	types := &b.Func.Config.Types
  3050  	_ = types
  3051  	// match: (Less64U x y)
  3052  	// cond:
  3053  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPU x y))
  3054  	for {
  3055  		x := v.Args[0]
  3056  		y := v.Args[1]
  3057  		v.reset(OpS390XMOVDLT)
  3058  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  3059  		v0.AuxInt = 0
  3060  		v.AddArg(v0)
  3061  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  3062  		v1.AuxInt = 1
  3063  		v.AddArg(v1)
  3064  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  3065  		v2.AddArg(x)
  3066  		v2.AddArg(y)
  3067  		v.AddArg(v2)
  3068  		return true
  3069  	}
  3070  }
  3071  func rewriteValueS390X_OpLess8(v *Value) bool {
  3072  	b := v.Block
  3073  	_ = b
  3074  	types := &b.Func.Config.Types
  3075  	_ = types
  3076  	// match: (Less8 x y)
  3077  	// cond:
  3078  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  3079  	for {
  3080  		x := v.Args[0]
  3081  		y := v.Args[1]
  3082  		v.reset(OpS390XMOVDLT)
  3083  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  3084  		v0.AuxInt = 0
  3085  		v.AddArg(v0)
  3086  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  3087  		v1.AuxInt = 1
  3088  		v.AddArg(v1)
  3089  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  3090  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  3091  		v3.AddArg(x)
  3092  		v2.AddArg(v3)
  3093  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  3094  		v4.AddArg(y)
  3095  		v2.AddArg(v4)
  3096  		v.AddArg(v2)
  3097  		return true
  3098  	}
  3099  }
  3100  func rewriteValueS390X_OpLess8U(v *Value) bool {
  3101  	b := v.Block
  3102  	_ = b
  3103  	types := &b.Func.Config.Types
  3104  	_ = types
  3105  	// match: (Less8U x y)
  3106  	// cond:
  3107  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVBZreg x) (MOVBZreg y)))
  3108  	for {
  3109  		x := v.Args[0]
  3110  		y := v.Args[1]
  3111  		v.reset(OpS390XMOVDLT)
  3112  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  3113  		v0.AuxInt = 0
  3114  		v.AddArg(v0)
  3115  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  3116  		v1.AuxInt = 1
  3117  		v.AddArg(v1)
  3118  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  3119  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  3120  		v3.AddArg(x)
  3121  		v2.AddArg(v3)
  3122  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  3123  		v4.AddArg(y)
  3124  		v2.AddArg(v4)
  3125  		v.AddArg(v2)
  3126  		return true
  3127  	}
  3128  }
  3129  func rewriteValueS390X_OpLoad(v *Value) bool {
  3130  	// match: (Load <t> ptr mem)
  3131  	// cond: (is64BitInt(t) || isPtr(t))
  3132  	// result: (MOVDload ptr mem)
  3133  	for {
  3134  		t := v.Type
  3135  		ptr := v.Args[0]
  3136  		mem := v.Args[1]
  3137  		if !(is64BitInt(t) || isPtr(t)) {
  3138  			break
  3139  		}
  3140  		v.reset(OpS390XMOVDload)
  3141  		v.AddArg(ptr)
  3142  		v.AddArg(mem)
  3143  		return true
  3144  	}
  3145  	// match: (Load <t> ptr mem)
  3146  	// cond: is32BitInt(t) && isSigned(t)
  3147  	// result: (MOVWload ptr mem)
  3148  	for {
  3149  		t := v.Type
  3150  		ptr := v.Args[0]
  3151  		mem := v.Args[1]
  3152  		if !(is32BitInt(t) && isSigned(t)) {
  3153  			break
  3154  		}
  3155  		v.reset(OpS390XMOVWload)
  3156  		v.AddArg(ptr)
  3157  		v.AddArg(mem)
  3158  		return true
  3159  	}
  3160  	// match: (Load <t> ptr mem)
  3161  	// cond: is32BitInt(t) && !isSigned(t)
  3162  	// result: (MOVWZload ptr mem)
  3163  	for {
  3164  		t := v.Type
  3165  		ptr := v.Args[0]
  3166  		mem := v.Args[1]
  3167  		if !(is32BitInt(t) && !isSigned(t)) {
  3168  			break
  3169  		}
  3170  		v.reset(OpS390XMOVWZload)
  3171  		v.AddArg(ptr)
  3172  		v.AddArg(mem)
  3173  		return true
  3174  	}
  3175  	// match: (Load <t> ptr mem)
  3176  	// cond: is16BitInt(t) && isSigned(t)
  3177  	// result: (MOVHload ptr mem)
  3178  	for {
  3179  		t := v.Type
  3180  		ptr := v.Args[0]
  3181  		mem := v.Args[1]
  3182  		if !(is16BitInt(t) && isSigned(t)) {
  3183  			break
  3184  		}
  3185  		v.reset(OpS390XMOVHload)
  3186  		v.AddArg(ptr)
  3187  		v.AddArg(mem)
  3188  		return true
  3189  	}
  3190  	// match: (Load <t> ptr mem)
  3191  	// cond: is16BitInt(t) && !isSigned(t)
  3192  	// result: (MOVHZload ptr mem)
  3193  	for {
  3194  		t := v.Type
  3195  		ptr := v.Args[0]
  3196  		mem := v.Args[1]
  3197  		if !(is16BitInt(t) && !isSigned(t)) {
  3198  			break
  3199  		}
  3200  		v.reset(OpS390XMOVHZload)
  3201  		v.AddArg(ptr)
  3202  		v.AddArg(mem)
  3203  		return true
  3204  	}
  3205  	// match: (Load <t> ptr mem)
  3206  	// cond: is8BitInt(t) && isSigned(t)
  3207  	// result: (MOVBload ptr mem)
  3208  	for {
  3209  		t := v.Type
  3210  		ptr := v.Args[0]
  3211  		mem := v.Args[1]
  3212  		if !(is8BitInt(t) && isSigned(t)) {
  3213  			break
  3214  		}
  3215  		v.reset(OpS390XMOVBload)
  3216  		v.AddArg(ptr)
  3217  		v.AddArg(mem)
  3218  		return true
  3219  	}
  3220  	// match: (Load <t> ptr mem)
  3221  	// cond: (t.IsBoolean() || (is8BitInt(t) && !isSigned(t)))
  3222  	// result: (MOVBZload ptr mem)
  3223  	for {
  3224  		t := v.Type
  3225  		ptr := v.Args[0]
  3226  		mem := v.Args[1]
  3227  		if !(t.IsBoolean() || (is8BitInt(t) && !isSigned(t))) {
  3228  			break
  3229  		}
  3230  		v.reset(OpS390XMOVBZload)
  3231  		v.AddArg(ptr)
  3232  		v.AddArg(mem)
  3233  		return true
  3234  	}
  3235  	// match: (Load <t> ptr mem)
  3236  	// cond: is32BitFloat(t)
  3237  	// result: (FMOVSload ptr mem)
  3238  	for {
  3239  		t := v.Type
  3240  		ptr := v.Args[0]
  3241  		mem := v.Args[1]
  3242  		if !(is32BitFloat(t)) {
  3243  			break
  3244  		}
  3245  		v.reset(OpS390XFMOVSload)
  3246  		v.AddArg(ptr)
  3247  		v.AddArg(mem)
  3248  		return true
  3249  	}
  3250  	// match: (Load <t> ptr mem)
  3251  	// cond: is64BitFloat(t)
  3252  	// result: (FMOVDload ptr mem)
  3253  	for {
  3254  		t := v.Type
  3255  		ptr := v.Args[0]
  3256  		mem := v.Args[1]
  3257  		if !(is64BitFloat(t)) {
  3258  			break
  3259  		}
  3260  		v.reset(OpS390XFMOVDload)
  3261  		v.AddArg(ptr)
  3262  		v.AddArg(mem)
  3263  		return true
  3264  	}
  3265  	return false
  3266  }
  3267  func rewriteValueS390X_OpLsh16x16(v *Value) bool {
  3268  	b := v.Block
  3269  	_ = b
  3270  	types := &b.Func.Config.Types
  3271  	_ = types
  3272  	// match: (Lsh16x16 <t> x y)
  3273  	// cond:
  3274  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  3275  	for {
  3276  		t := v.Type
  3277  		x := v.Args[0]
  3278  		y := v.Args[1]
  3279  		v.reset(OpS390XANDW)
  3280  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3281  		v0.AddArg(x)
  3282  		v0.AddArg(y)
  3283  		v.AddArg(v0)
  3284  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3285  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3286  		v2.AuxInt = 31
  3287  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  3288  		v3.AddArg(y)
  3289  		v2.AddArg(v3)
  3290  		v1.AddArg(v2)
  3291  		v.AddArg(v1)
  3292  		return true
  3293  	}
  3294  }
  3295  func rewriteValueS390X_OpLsh16x32(v *Value) bool {
  3296  	b := v.Block
  3297  	_ = b
  3298  	// match: (Lsh16x32 <t> x y)
  3299  	// cond:
  3300  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  3301  	for {
  3302  		t := v.Type
  3303  		x := v.Args[0]
  3304  		y := v.Args[1]
  3305  		v.reset(OpS390XANDW)
  3306  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3307  		v0.AddArg(x)
  3308  		v0.AddArg(y)
  3309  		v.AddArg(v0)
  3310  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3311  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3312  		v2.AuxInt = 31
  3313  		v2.AddArg(y)
  3314  		v1.AddArg(v2)
  3315  		v.AddArg(v1)
  3316  		return true
  3317  	}
  3318  }
  3319  func rewriteValueS390X_OpLsh16x64(v *Value) bool {
  3320  	b := v.Block
  3321  	_ = b
  3322  	// match: (Lsh16x64 <t> x y)
  3323  	// cond:
  3324  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  3325  	for {
  3326  		t := v.Type
  3327  		x := v.Args[0]
  3328  		y := v.Args[1]
  3329  		v.reset(OpS390XANDW)
  3330  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3331  		v0.AddArg(x)
  3332  		v0.AddArg(y)
  3333  		v.AddArg(v0)
  3334  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3335  		v2 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  3336  		v2.AuxInt = 31
  3337  		v2.AddArg(y)
  3338  		v1.AddArg(v2)
  3339  		v.AddArg(v1)
  3340  		return true
  3341  	}
  3342  }
  3343  func rewriteValueS390X_OpLsh16x8(v *Value) bool {
  3344  	b := v.Block
  3345  	_ = b
  3346  	types := &b.Func.Config.Types
  3347  	_ = types
  3348  	// match: (Lsh16x8 <t> x y)
  3349  	// cond:
  3350  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  3351  	for {
  3352  		t := v.Type
  3353  		x := v.Args[0]
  3354  		y := v.Args[1]
  3355  		v.reset(OpS390XANDW)
  3356  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3357  		v0.AddArg(x)
  3358  		v0.AddArg(y)
  3359  		v.AddArg(v0)
  3360  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3361  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3362  		v2.AuxInt = 31
  3363  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  3364  		v3.AddArg(y)
  3365  		v2.AddArg(v3)
  3366  		v1.AddArg(v2)
  3367  		v.AddArg(v1)
  3368  		return true
  3369  	}
  3370  }
  3371  func rewriteValueS390X_OpLsh32x16(v *Value) bool {
  3372  	b := v.Block
  3373  	_ = b
  3374  	types := &b.Func.Config.Types
  3375  	_ = types
  3376  	// match: (Lsh32x16 <t> x y)
  3377  	// cond:
  3378  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  3379  	for {
  3380  		t := v.Type
  3381  		x := v.Args[0]
  3382  		y := v.Args[1]
  3383  		v.reset(OpS390XANDW)
  3384  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3385  		v0.AddArg(x)
  3386  		v0.AddArg(y)
  3387  		v.AddArg(v0)
  3388  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3389  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3390  		v2.AuxInt = 31
  3391  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  3392  		v3.AddArg(y)
  3393  		v2.AddArg(v3)
  3394  		v1.AddArg(v2)
  3395  		v.AddArg(v1)
  3396  		return true
  3397  	}
  3398  }
  3399  func rewriteValueS390X_OpLsh32x32(v *Value) bool {
  3400  	b := v.Block
  3401  	_ = b
  3402  	// match: (Lsh32x32 <t> x y)
  3403  	// cond:
  3404  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  3405  	for {
  3406  		t := v.Type
  3407  		x := v.Args[0]
  3408  		y := v.Args[1]
  3409  		v.reset(OpS390XANDW)
  3410  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3411  		v0.AddArg(x)
  3412  		v0.AddArg(y)
  3413  		v.AddArg(v0)
  3414  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3415  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3416  		v2.AuxInt = 31
  3417  		v2.AddArg(y)
  3418  		v1.AddArg(v2)
  3419  		v.AddArg(v1)
  3420  		return true
  3421  	}
  3422  }
  3423  func rewriteValueS390X_OpLsh32x64(v *Value) bool {
  3424  	b := v.Block
  3425  	_ = b
  3426  	// match: (Lsh32x64 <t> x y)
  3427  	// cond:
  3428  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  3429  	for {
  3430  		t := v.Type
  3431  		x := v.Args[0]
  3432  		y := v.Args[1]
  3433  		v.reset(OpS390XANDW)
  3434  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3435  		v0.AddArg(x)
  3436  		v0.AddArg(y)
  3437  		v.AddArg(v0)
  3438  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3439  		v2 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  3440  		v2.AuxInt = 31
  3441  		v2.AddArg(y)
  3442  		v1.AddArg(v2)
  3443  		v.AddArg(v1)
  3444  		return true
  3445  	}
  3446  }
  3447  func rewriteValueS390X_OpLsh32x8(v *Value) bool {
  3448  	b := v.Block
  3449  	_ = b
  3450  	types := &b.Func.Config.Types
  3451  	_ = types
  3452  	// match: (Lsh32x8 <t> x y)
  3453  	// cond:
  3454  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  3455  	for {
  3456  		t := v.Type
  3457  		x := v.Args[0]
  3458  		y := v.Args[1]
  3459  		v.reset(OpS390XANDW)
  3460  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3461  		v0.AddArg(x)
  3462  		v0.AddArg(y)
  3463  		v.AddArg(v0)
  3464  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3465  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3466  		v2.AuxInt = 31
  3467  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  3468  		v3.AddArg(y)
  3469  		v2.AddArg(v3)
  3470  		v1.AddArg(v2)
  3471  		v.AddArg(v1)
  3472  		return true
  3473  	}
  3474  }
  3475  func rewriteValueS390X_OpLsh64x16(v *Value) bool {
  3476  	b := v.Block
  3477  	_ = b
  3478  	types := &b.Func.Config.Types
  3479  	_ = types
  3480  	// match: (Lsh64x16 <t> x y)
  3481  	// cond:
  3482  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVHZreg y) [63])))
  3483  	for {
  3484  		t := v.Type
  3485  		x := v.Args[0]
  3486  		y := v.Args[1]
  3487  		v.reset(OpS390XAND)
  3488  		v0 := b.NewValue0(v.Pos, OpS390XSLD, t)
  3489  		v0.AddArg(x)
  3490  		v0.AddArg(y)
  3491  		v.AddArg(v0)
  3492  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  3493  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3494  		v2.AuxInt = 63
  3495  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  3496  		v3.AddArg(y)
  3497  		v2.AddArg(v3)
  3498  		v1.AddArg(v2)
  3499  		v.AddArg(v1)
  3500  		return true
  3501  	}
  3502  }
  3503  func rewriteValueS390X_OpLsh64x32(v *Value) bool {
  3504  	b := v.Block
  3505  	_ = b
  3506  	// match: (Lsh64x32 <t> x y)
  3507  	// cond:
  3508  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPWUconst y [63])))
  3509  	for {
  3510  		t := v.Type
  3511  		x := v.Args[0]
  3512  		y := v.Args[1]
  3513  		v.reset(OpS390XAND)
  3514  		v0 := b.NewValue0(v.Pos, OpS390XSLD, t)
  3515  		v0.AddArg(x)
  3516  		v0.AddArg(y)
  3517  		v.AddArg(v0)
  3518  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  3519  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3520  		v2.AuxInt = 63
  3521  		v2.AddArg(y)
  3522  		v1.AddArg(v2)
  3523  		v.AddArg(v1)
  3524  		return true
  3525  	}
  3526  }
  3527  func rewriteValueS390X_OpLsh64x64(v *Value) bool {
  3528  	b := v.Block
  3529  	_ = b
  3530  	// match: (Lsh64x64 <t> x y)
  3531  	// cond:
  3532  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPUconst y [63])))
  3533  	for {
  3534  		t := v.Type
  3535  		x := v.Args[0]
  3536  		y := v.Args[1]
  3537  		v.reset(OpS390XAND)
  3538  		v0 := b.NewValue0(v.Pos, OpS390XSLD, t)
  3539  		v0.AddArg(x)
  3540  		v0.AddArg(y)
  3541  		v.AddArg(v0)
  3542  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  3543  		v2 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  3544  		v2.AuxInt = 63
  3545  		v2.AddArg(y)
  3546  		v1.AddArg(v2)
  3547  		v.AddArg(v1)
  3548  		return true
  3549  	}
  3550  }
  3551  func rewriteValueS390X_OpLsh64x8(v *Value) bool {
  3552  	b := v.Block
  3553  	_ = b
  3554  	types := &b.Func.Config.Types
  3555  	_ = types
  3556  	// match: (Lsh64x8 <t> x y)
  3557  	// cond:
  3558  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVBZreg y) [63])))
  3559  	for {
  3560  		t := v.Type
  3561  		x := v.Args[0]
  3562  		y := v.Args[1]
  3563  		v.reset(OpS390XAND)
  3564  		v0 := b.NewValue0(v.Pos, OpS390XSLD, t)
  3565  		v0.AddArg(x)
  3566  		v0.AddArg(y)
  3567  		v.AddArg(v0)
  3568  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  3569  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3570  		v2.AuxInt = 63
  3571  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  3572  		v3.AddArg(y)
  3573  		v2.AddArg(v3)
  3574  		v1.AddArg(v2)
  3575  		v.AddArg(v1)
  3576  		return true
  3577  	}
  3578  }
  3579  func rewriteValueS390X_OpLsh8x16(v *Value) bool {
  3580  	b := v.Block
  3581  	_ = b
  3582  	types := &b.Func.Config.Types
  3583  	_ = types
  3584  	// match: (Lsh8x16 <t> x y)
  3585  	// cond:
  3586  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  3587  	for {
  3588  		t := v.Type
  3589  		x := v.Args[0]
  3590  		y := v.Args[1]
  3591  		v.reset(OpS390XANDW)
  3592  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3593  		v0.AddArg(x)
  3594  		v0.AddArg(y)
  3595  		v.AddArg(v0)
  3596  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3597  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3598  		v2.AuxInt = 31
  3599  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  3600  		v3.AddArg(y)
  3601  		v2.AddArg(v3)
  3602  		v1.AddArg(v2)
  3603  		v.AddArg(v1)
  3604  		return true
  3605  	}
  3606  }
  3607  func rewriteValueS390X_OpLsh8x32(v *Value) bool {
  3608  	b := v.Block
  3609  	_ = b
  3610  	// match: (Lsh8x32 <t> x y)
  3611  	// cond:
  3612  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  3613  	for {
  3614  		t := v.Type
  3615  		x := v.Args[0]
  3616  		y := v.Args[1]
  3617  		v.reset(OpS390XANDW)
  3618  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3619  		v0.AddArg(x)
  3620  		v0.AddArg(y)
  3621  		v.AddArg(v0)
  3622  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3623  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3624  		v2.AuxInt = 31
  3625  		v2.AddArg(y)
  3626  		v1.AddArg(v2)
  3627  		v.AddArg(v1)
  3628  		return true
  3629  	}
  3630  }
  3631  func rewriteValueS390X_OpLsh8x64(v *Value) bool {
  3632  	b := v.Block
  3633  	_ = b
  3634  	// match: (Lsh8x64 <t> x y)
  3635  	// cond:
  3636  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  3637  	for {
  3638  		t := v.Type
  3639  		x := v.Args[0]
  3640  		y := v.Args[1]
  3641  		v.reset(OpS390XANDW)
  3642  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3643  		v0.AddArg(x)
  3644  		v0.AddArg(y)
  3645  		v.AddArg(v0)
  3646  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3647  		v2 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  3648  		v2.AuxInt = 31
  3649  		v2.AddArg(y)
  3650  		v1.AddArg(v2)
  3651  		v.AddArg(v1)
  3652  		return true
  3653  	}
  3654  }
  3655  func rewriteValueS390X_OpLsh8x8(v *Value) bool {
  3656  	b := v.Block
  3657  	_ = b
  3658  	types := &b.Func.Config.Types
  3659  	_ = types
  3660  	// match: (Lsh8x8 <t> x y)
  3661  	// cond:
  3662  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  3663  	for {
  3664  		t := v.Type
  3665  		x := v.Args[0]
  3666  		y := v.Args[1]
  3667  		v.reset(OpS390XANDW)
  3668  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3669  		v0.AddArg(x)
  3670  		v0.AddArg(y)
  3671  		v.AddArg(v0)
  3672  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3673  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3674  		v2.AuxInt = 31
  3675  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  3676  		v3.AddArg(y)
  3677  		v2.AddArg(v3)
  3678  		v1.AddArg(v2)
  3679  		v.AddArg(v1)
  3680  		return true
  3681  	}
  3682  }
  3683  func rewriteValueS390X_OpMod16(v *Value) bool {
  3684  	b := v.Block
  3685  	_ = b
  3686  	types := &b.Func.Config.Types
  3687  	_ = types
  3688  	// match: (Mod16 x y)
  3689  	// cond:
  3690  	// result: (MODW  (MOVHreg x) (MOVHreg y))
  3691  	for {
  3692  		x := v.Args[0]
  3693  		y := v.Args[1]
  3694  		v.reset(OpS390XMODW)
  3695  		v0 := b.NewValue0(v.Pos, OpS390XMOVHreg, types.Int64)
  3696  		v0.AddArg(x)
  3697  		v.AddArg(v0)
  3698  		v1 := b.NewValue0(v.Pos, OpS390XMOVHreg, types.Int64)
  3699  		v1.AddArg(y)
  3700  		v.AddArg(v1)
  3701  		return true
  3702  	}
  3703  }
  3704  func rewriteValueS390X_OpMod16u(v *Value) bool {
  3705  	b := v.Block
  3706  	_ = b
  3707  	types := &b.Func.Config.Types
  3708  	_ = types
  3709  	// match: (Mod16u x y)
  3710  	// cond:
  3711  	// result: (MODWU (MOVHZreg x) (MOVHZreg y))
  3712  	for {
  3713  		x := v.Args[0]
  3714  		y := v.Args[1]
  3715  		v.reset(OpS390XMODWU)
  3716  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  3717  		v0.AddArg(x)
  3718  		v.AddArg(v0)
  3719  		v1 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  3720  		v1.AddArg(y)
  3721  		v.AddArg(v1)
  3722  		return true
  3723  	}
  3724  }
  3725  func rewriteValueS390X_OpMod32(v *Value) bool {
  3726  	b := v.Block
  3727  	_ = b
  3728  	types := &b.Func.Config.Types
  3729  	_ = types
  3730  	// match: (Mod32 x y)
  3731  	// cond:
  3732  	// result: (MODW  (MOVWreg x) y)
  3733  	for {
  3734  		x := v.Args[0]
  3735  		y := v.Args[1]
  3736  		v.reset(OpS390XMODW)
  3737  		v0 := b.NewValue0(v.Pos, OpS390XMOVWreg, types.Int64)
  3738  		v0.AddArg(x)
  3739  		v.AddArg(v0)
  3740  		v.AddArg(y)
  3741  		return true
  3742  	}
  3743  }
  3744  func rewriteValueS390X_OpMod32u(v *Value) bool {
  3745  	b := v.Block
  3746  	_ = b
  3747  	types := &b.Func.Config.Types
  3748  	_ = types
  3749  	// match: (Mod32u x y)
  3750  	// cond:
  3751  	// result: (MODWU (MOVWZreg x) y)
  3752  	for {
  3753  		x := v.Args[0]
  3754  		y := v.Args[1]
  3755  		v.reset(OpS390XMODWU)
  3756  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
  3757  		v0.AddArg(x)
  3758  		v.AddArg(v0)
  3759  		v.AddArg(y)
  3760  		return true
  3761  	}
  3762  }
  3763  func rewriteValueS390X_OpMod64(v *Value) bool {
  3764  	// match: (Mod64 x y)
  3765  	// cond:
  3766  	// result: (MODD  x y)
  3767  	for {
  3768  		x := v.Args[0]
  3769  		y := v.Args[1]
  3770  		v.reset(OpS390XMODD)
  3771  		v.AddArg(x)
  3772  		v.AddArg(y)
  3773  		return true
  3774  	}
  3775  }
  3776  func rewriteValueS390X_OpMod64u(v *Value) bool {
  3777  	// match: (Mod64u x y)
  3778  	// cond:
  3779  	// result: (MODDU x y)
  3780  	for {
  3781  		x := v.Args[0]
  3782  		y := v.Args[1]
  3783  		v.reset(OpS390XMODDU)
  3784  		v.AddArg(x)
  3785  		v.AddArg(y)
  3786  		return true
  3787  	}
  3788  }
  3789  func rewriteValueS390X_OpMod8(v *Value) bool {
  3790  	b := v.Block
  3791  	_ = b
  3792  	types := &b.Func.Config.Types
  3793  	_ = types
  3794  	// match: (Mod8 x y)
  3795  	// cond:
  3796  	// result: (MODW  (MOVBreg x) (MOVBreg y))
  3797  	for {
  3798  		x := v.Args[0]
  3799  		y := v.Args[1]
  3800  		v.reset(OpS390XMODW)
  3801  		v0 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  3802  		v0.AddArg(x)
  3803  		v.AddArg(v0)
  3804  		v1 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  3805  		v1.AddArg(y)
  3806  		v.AddArg(v1)
  3807  		return true
  3808  	}
  3809  }
  3810  func rewriteValueS390X_OpMod8u(v *Value) bool {
  3811  	b := v.Block
  3812  	_ = b
  3813  	types := &b.Func.Config.Types
  3814  	_ = types
  3815  	// match: (Mod8u x y)
  3816  	// cond:
  3817  	// result: (MODWU (MOVBZreg x) (MOVBZreg y))
  3818  	for {
  3819  		x := v.Args[0]
  3820  		y := v.Args[1]
  3821  		v.reset(OpS390XMODWU)
  3822  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  3823  		v0.AddArg(x)
  3824  		v.AddArg(v0)
  3825  		v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  3826  		v1.AddArg(y)
  3827  		v.AddArg(v1)
  3828  		return true
  3829  	}
  3830  }
  3831  func rewriteValueS390X_OpMove(v *Value) bool {
  3832  	b := v.Block
  3833  	_ = b
  3834  	types := &b.Func.Config.Types
  3835  	_ = types
  3836  	// match: (Move [0] _ _ mem)
  3837  	// cond:
  3838  	// result: mem
  3839  	for {
  3840  		if v.AuxInt != 0 {
  3841  			break
  3842  		}
  3843  		mem := v.Args[2]
  3844  		v.reset(OpCopy)
  3845  		v.Type = mem.Type
  3846  		v.AddArg(mem)
  3847  		return true
  3848  	}
  3849  	// match: (Move [1] dst src mem)
  3850  	// cond:
  3851  	// result: (MOVBstore dst (MOVBZload src mem) mem)
  3852  	for {
  3853  		if v.AuxInt != 1 {
  3854  			break
  3855  		}
  3856  		dst := v.Args[0]
  3857  		src := v.Args[1]
  3858  		mem := v.Args[2]
  3859  		v.reset(OpS390XMOVBstore)
  3860  		v.AddArg(dst)
  3861  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZload, types.UInt8)
  3862  		v0.AddArg(src)
  3863  		v0.AddArg(mem)
  3864  		v.AddArg(v0)
  3865  		v.AddArg(mem)
  3866  		return true
  3867  	}
  3868  	// match: (Move [2] dst src mem)
  3869  	// cond:
  3870  	// result: (MOVHstore dst (MOVHZload src mem) mem)
  3871  	for {
  3872  		if v.AuxInt != 2 {
  3873  			break
  3874  		}
  3875  		dst := v.Args[0]
  3876  		src := v.Args[1]
  3877  		mem := v.Args[2]
  3878  		v.reset(OpS390XMOVHstore)
  3879  		v.AddArg(dst)
  3880  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZload, types.UInt16)
  3881  		v0.AddArg(src)
  3882  		v0.AddArg(mem)
  3883  		v.AddArg(v0)
  3884  		v.AddArg(mem)
  3885  		return true
  3886  	}
  3887  	// match: (Move [4] dst src mem)
  3888  	// cond:
  3889  	// result: (MOVWstore dst (MOVWZload src mem) mem)
  3890  	for {
  3891  		if v.AuxInt != 4 {
  3892  			break
  3893  		}
  3894  		dst := v.Args[0]
  3895  		src := v.Args[1]
  3896  		mem := v.Args[2]
  3897  		v.reset(OpS390XMOVWstore)
  3898  		v.AddArg(dst)
  3899  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZload, types.UInt32)
  3900  		v0.AddArg(src)
  3901  		v0.AddArg(mem)
  3902  		v.AddArg(v0)
  3903  		v.AddArg(mem)
  3904  		return true
  3905  	}
  3906  	// match: (Move [8] dst src mem)
  3907  	// cond:
  3908  	// result: (MOVDstore dst (MOVDload src mem) mem)
  3909  	for {
  3910  		if v.AuxInt != 8 {
  3911  			break
  3912  		}
  3913  		dst := v.Args[0]
  3914  		src := v.Args[1]
  3915  		mem := v.Args[2]
  3916  		v.reset(OpS390XMOVDstore)
  3917  		v.AddArg(dst)
  3918  		v0 := b.NewValue0(v.Pos, OpS390XMOVDload, types.UInt64)
  3919  		v0.AddArg(src)
  3920  		v0.AddArg(mem)
  3921  		v.AddArg(v0)
  3922  		v.AddArg(mem)
  3923  		return true
  3924  	}
  3925  	// match: (Move [16] dst src mem)
  3926  	// cond:
  3927  	// result: (MOVDstore [8] dst (MOVDload [8] src mem) 		(MOVDstore dst (MOVDload src mem) mem))
  3928  	for {
  3929  		if v.AuxInt != 16 {
  3930  			break
  3931  		}
  3932  		dst := v.Args[0]
  3933  		src := v.Args[1]
  3934  		mem := v.Args[2]
  3935  		v.reset(OpS390XMOVDstore)
  3936  		v.AuxInt = 8
  3937  		v.AddArg(dst)
  3938  		v0 := b.NewValue0(v.Pos, OpS390XMOVDload, types.UInt64)
  3939  		v0.AuxInt = 8
  3940  		v0.AddArg(src)
  3941  		v0.AddArg(mem)
  3942  		v.AddArg(v0)
  3943  		v1 := b.NewValue0(v.Pos, OpS390XMOVDstore, TypeMem)
  3944  		v1.AddArg(dst)
  3945  		v2 := b.NewValue0(v.Pos, OpS390XMOVDload, types.UInt64)
  3946  		v2.AddArg(src)
  3947  		v2.AddArg(mem)
  3948  		v1.AddArg(v2)
  3949  		v1.AddArg(mem)
  3950  		v.AddArg(v1)
  3951  		return true
  3952  	}
  3953  	// match: (Move [24] dst src mem)
  3954  	// cond:
  3955  	// result: (MOVDstore [16] dst (MOVDload [16] src mem) 	        (MOVDstore [8] dst (MOVDload [8] src mem)                 (MOVDstore dst (MOVDload src mem) mem)))
  3956  	for {
  3957  		if v.AuxInt != 24 {
  3958  			break
  3959  		}
  3960  		dst := v.Args[0]
  3961  		src := v.Args[1]
  3962  		mem := v.Args[2]
  3963  		v.reset(OpS390XMOVDstore)
  3964  		v.AuxInt = 16
  3965  		v.AddArg(dst)
  3966  		v0 := b.NewValue0(v.Pos, OpS390XMOVDload, types.UInt64)
  3967  		v0.AuxInt = 16
  3968  		v0.AddArg(src)
  3969  		v0.AddArg(mem)
  3970  		v.AddArg(v0)
  3971  		v1 := b.NewValue0(v.Pos, OpS390XMOVDstore, TypeMem)
  3972  		v1.AuxInt = 8
  3973  		v1.AddArg(dst)
  3974  		v2 := b.NewValue0(v.Pos, OpS390XMOVDload, types.UInt64)
  3975  		v2.AuxInt = 8
  3976  		v2.AddArg(src)
  3977  		v2.AddArg(mem)
  3978  		v1.AddArg(v2)
  3979  		v3 := b.NewValue0(v.Pos, OpS390XMOVDstore, TypeMem)
  3980  		v3.AddArg(dst)
  3981  		v4 := b.NewValue0(v.Pos, OpS390XMOVDload, types.UInt64)
  3982  		v4.AddArg(src)
  3983  		v4.AddArg(mem)
  3984  		v3.AddArg(v4)
  3985  		v3.AddArg(mem)
  3986  		v1.AddArg(v3)
  3987  		v.AddArg(v1)
  3988  		return true
  3989  	}
  3990  	// match: (Move [3] dst src mem)
  3991  	// cond:
  3992  	// result: (MOVBstore [2] dst (MOVBZload [2] src mem) 		(MOVHstore dst (MOVHZload src mem) mem))
  3993  	for {
  3994  		if v.AuxInt != 3 {
  3995  			break
  3996  		}
  3997  		dst := v.Args[0]
  3998  		src := v.Args[1]
  3999  		mem := v.Args[2]
  4000  		v.reset(OpS390XMOVBstore)
  4001  		v.AuxInt = 2
  4002  		v.AddArg(dst)
  4003  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZload, types.UInt8)
  4004  		v0.AuxInt = 2
  4005  		v0.AddArg(src)
  4006  		v0.AddArg(mem)
  4007  		v.AddArg(v0)
  4008  		v1 := b.NewValue0(v.Pos, OpS390XMOVHstore, TypeMem)
  4009  		v1.AddArg(dst)
  4010  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZload, types.UInt16)
  4011  		v2.AddArg(src)
  4012  		v2.AddArg(mem)
  4013  		v1.AddArg(v2)
  4014  		v1.AddArg(mem)
  4015  		v.AddArg(v1)
  4016  		return true
  4017  	}
  4018  	// match: (Move [5] dst src mem)
  4019  	// cond:
  4020  	// result: (MOVBstore [4] dst (MOVBZload [4] src mem) 		(MOVWstore dst (MOVWZload src mem) mem))
  4021  	for {
  4022  		if v.AuxInt != 5 {
  4023  			break
  4024  		}
  4025  		dst := v.Args[0]
  4026  		src := v.Args[1]
  4027  		mem := v.Args[2]
  4028  		v.reset(OpS390XMOVBstore)
  4029  		v.AuxInt = 4
  4030  		v.AddArg(dst)
  4031  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZload, types.UInt8)
  4032  		v0.AuxInt = 4
  4033  		v0.AddArg(src)
  4034  		v0.AddArg(mem)
  4035  		v.AddArg(v0)
  4036  		v1 := b.NewValue0(v.Pos, OpS390XMOVWstore, TypeMem)
  4037  		v1.AddArg(dst)
  4038  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZload, types.UInt32)
  4039  		v2.AddArg(src)
  4040  		v2.AddArg(mem)
  4041  		v1.AddArg(v2)
  4042  		v1.AddArg(mem)
  4043  		v.AddArg(v1)
  4044  		return true
  4045  	}
  4046  	// match: (Move [6] dst src mem)
  4047  	// cond:
  4048  	// result: (MOVHstore [4] dst (MOVHZload [4] src mem) 		(MOVWstore dst (MOVWZload src mem) mem))
  4049  	for {
  4050  		if v.AuxInt != 6 {
  4051  			break
  4052  		}
  4053  		dst := v.Args[0]
  4054  		src := v.Args[1]
  4055  		mem := v.Args[2]
  4056  		v.reset(OpS390XMOVHstore)
  4057  		v.AuxInt = 4
  4058  		v.AddArg(dst)
  4059  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZload, types.UInt16)
  4060  		v0.AuxInt = 4
  4061  		v0.AddArg(src)
  4062  		v0.AddArg(mem)
  4063  		v.AddArg(v0)
  4064  		v1 := b.NewValue0(v.Pos, OpS390XMOVWstore, TypeMem)
  4065  		v1.AddArg(dst)
  4066  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZload, types.UInt32)
  4067  		v2.AddArg(src)
  4068  		v2.AddArg(mem)
  4069  		v1.AddArg(v2)
  4070  		v1.AddArg(mem)
  4071  		v.AddArg(v1)
  4072  		return true
  4073  	}
  4074  	// match: (Move [7] dst src mem)
  4075  	// cond:
  4076  	// result: (MOVBstore [6] dst (MOVBZload [6] src mem) 		(MOVHstore [4] dst (MOVHZload [4] src mem) 			(MOVWstore dst (MOVWZload src mem) mem)))
  4077  	for {
  4078  		if v.AuxInt != 7 {
  4079  			break
  4080  		}
  4081  		dst := v.Args[0]
  4082  		src := v.Args[1]
  4083  		mem := v.Args[2]
  4084  		v.reset(OpS390XMOVBstore)
  4085  		v.AuxInt = 6
  4086  		v.AddArg(dst)
  4087  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZload, types.UInt8)
  4088  		v0.AuxInt = 6
  4089  		v0.AddArg(src)
  4090  		v0.AddArg(mem)
  4091  		v.AddArg(v0)
  4092  		v1 := b.NewValue0(v.Pos, OpS390XMOVHstore, TypeMem)
  4093  		v1.AuxInt = 4
  4094  		v1.AddArg(dst)
  4095  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZload, types.UInt16)
  4096  		v2.AuxInt = 4
  4097  		v2.AddArg(src)
  4098  		v2.AddArg(mem)
  4099  		v1.AddArg(v2)
  4100  		v3 := b.NewValue0(v.Pos, OpS390XMOVWstore, TypeMem)
  4101  		v3.AddArg(dst)
  4102  		v4 := b.NewValue0(v.Pos, OpS390XMOVWZload, types.UInt32)
  4103  		v4.AddArg(src)
  4104  		v4.AddArg(mem)
  4105  		v3.AddArg(v4)
  4106  		v3.AddArg(mem)
  4107  		v1.AddArg(v3)
  4108  		v.AddArg(v1)
  4109  		return true
  4110  	}
  4111  	// match: (Move [s] dst src mem)
  4112  	// cond: s > 0 && s <= 256
  4113  	// result: (MVC [makeValAndOff(s, 0)] dst src mem)
  4114  	for {
  4115  		s := v.AuxInt
  4116  		dst := v.Args[0]
  4117  		src := v.Args[1]
  4118  		mem := v.Args[2]
  4119  		if !(s > 0 && s <= 256) {
  4120  			break
  4121  		}
  4122  		v.reset(OpS390XMVC)
  4123  		v.AuxInt = makeValAndOff(s, 0)
  4124  		v.AddArg(dst)
  4125  		v.AddArg(src)
  4126  		v.AddArg(mem)
  4127  		return true
  4128  	}
  4129  	// match: (Move [s] dst src mem)
  4130  	// cond: s > 256 && s <= 512
  4131  	// result: (MVC [makeValAndOff(s-256, 256)] dst src (MVC [makeValAndOff(256, 0)] dst src mem))
  4132  	for {
  4133  		s := v.AuxInt
  4134  		dst := v.Args[0]
  4135  		src := v.Args[1]
  4136  		mem := v.Args[2]
  4137  		if !(s > 256 && s <= 512) {
  4138  			break
  4139  		}
  4140  		v.reset(OpS390XMVC)
  4141  		v.AuxInt = makeValAndOff(s-256, 256)
  4142  		v.AddArg(dst)
  4143  		v.AddArg(src)
  4144  		v0 := b.NewValue0(v.Pos, OpS390XMVC, TypeMem)
  4145  		v0.AuxInt = makeValAndOff(256, 0)
  4146  		v0.AddArg(dst)
  4147  		v0.AddArg(src)
  4148  		v0.AddArg(mem)
  4149  		v.AddArg(v0)
  4150  		return true
  4151  	}
  4152  	// match: (Move [s] dst src mem)
  4153  	// cond: s > 512 && s <= 768
  4154  	// result: (MVC [makeValAndOff(s-512, 512)] dst src (MVC [makeValAndOff(256, 256)] dst src (MVC [makeValAndOff(256, 0)] dst src mem)))
  4155  	for {
  4156  		s := v.AuxInt
  4157  		dst := v.Args[0]
  4158  		src := v.Args[1]
  4159  		mem := v.Args[2]
  4160  		if !(s > 512 && s <= 768) {
  4161  			break
  4162  		}
  4163  		v.reset(OpS390XMVC)
  4164  		v.AuxInt = makeValAndOff(s-512, 512)
  4165  		v.AddArg(dst)
  4166  		v.AddArg(src)
  4167  		v0 := b.NewValue0(v.Pos, OpS390XMVC, TypeMem)
  4168  		v0.AuxInt = makeValAndOff(256, 256)
  4169  		v0.AddArg(dst)
  4170  		v0.AddArg(src)
  4171  		v1 := b.NewValue0(v.Pos, OpS390XMVC, TypeMem)
  4172  		v1.AuxInt = makeValAndOff(256, 0)
  4173  		v1.AddArg(dst)
  4174  		v1.AddArg(src)
  4175  		v1.AddArg(mem)
  4176  		v0.AddArg(v1)
  4177  		v.AddArg(v0)
  4178  		return true
  4179  	}
  4180  	// match: (Move [s] dst src mem)
  4181  	// cond: s > 768 && s <= 1024
  4182  	// result: (MVC [makeValAndOff(s-768, 768)] dst src (MVC [makeValAndOff(256, 512)] dst src (MVC [makeValAndOff(256, 256)] dst src (MVC [makeValAndOff(256, 0)] dst src mem))))
  4183  	for {
  4184  		s := v.AuxInt
  4185  		dst := v.Args[0]
  4186  		src := v.Args[1]
  4187  		mem := v.Args[2]
  4188  		if !(s > 768 && s <= 1024) {
  4189  			break
  4190  		}
  4191  		v.reset(OpS390XMVC)
  4192  		v.AuxInt = makeValAndOff(s-768, 768)
  4193  		v.AddArg(dst)
  4194  		v.AddArg(src)
  4195  		v0 := b.NewValue0(v.Pos, OpS390XMVC, TypeMem)
  4196  		v0.AuxInt = makeValAndOff(256, 512)
  4197  		v0.AddArg(dst)
  4198  		v0.AddArg(src)
  4199  		v1 := b.NewValue0(v.Pos, OpS390XMVC, TypeMem)
  4200  		v1.AuxInt = makeValAndOff(256, 256)
  4201  		v1.AddArg(dst)
  4202  		v1.AddArg(src)
  4203  		v2 := b.NewValue0(v.Pos, OpS390XMVC, TypeMem)
  4204  		v2.AuxInt = makeValAndOff(256, 0)
  4205  		v2.AddArg(dst)
  4206  		v2.AddArg(src)
  4207  		v2.AddArg(mem)
  4208  		v1.AddArg(v2)
  4209  		v0.AddArg(v1)
  4210  		v.AddArg(v0)
  4211  		return true
  4212  	}
  4213  	// match: (Move [s] dst src mem)
  4214  	// cond: s > 1024
  4215  	// result: (LoweredMove [s%256] dst src (ADDconst <src.Type> src [(s/256)*256]) mem)
  4216  	for {
  4217  		s := v.AuxInt
  4218  		dst := v.Args[0]
  4219  		src := v.Args[1]
  4220  		mem := v.Args[2]
  4221  		if !(s > 1024) {
  4222  			break
  4223  		}
  4224  		v.reset(OpS390XLoweredMove)
  4225  		v.AuxInt = s % 256
  4226  		v.AddArg(dst)
  4227  		v.AddArg(src)
  4228  		v0 := b.NewValue0(v.Pos, OpS390XADDconst, src.Type)
  4229  		v0.AuxInt = (s / 256) * 256
  4230  		v0.AddArg(src)
  4231  		v.AddArg(v0)
  4232  		v.AddArg(mem)
  4233  		return true
  4234  	}
  4235  	return false
  4236  }
  4237  func rewriteValueS390X_OpMul16(v *Value) bool {
  4238  	// match: (Mul16 x y)
  4239  	// cond:
  4240  	// result: (MULLW  x y)
  4241  	for {
  4242  		x := v.Args[0]
  4243  		y := v.Args[1]
  4244  		v.reset(OpS390XMULLW)
  4245  		v.AddArg(x)
  4246  		v.AddArg(y)
  4247  		return true
  4248  	}
  4249  }
  4250  func rewriteValueS390X_OpMul32(v *Value) bool {
  4251  	// match: (Mul32 x y)
  4252  	// cond:
  4253  	// result: (MULLW  x y)
  4254  	for {
  4255  		x := v.Args[0]
  4256  		y := v.Args[1]
  4257  		v.reset(OpS390XMULLW)
  4258  		v.AddArg(x)
  4259  		v.AddArg(y)
  4260  		return true
  4261  	}
  4262  }
  4263  func rewriteValueS390X_OpMul32F(v *Value) bool {
  4264  	// match: (Mul32F x y)
  4265  	// cond:
  4266  	// result: (FMULS x y)
  4267  	for {
  4268  		x := v.Args[0]
  4269  		y := v.Args[1]
  4270  		v.reset(OpS390XFMULS)
  4271  		v.AddArg(x)
  4272  		v.AddArg(y)
  4273  		return true
  4274  	}
  4275  }
  4276  func rewriteValueS390X_OpMul64(v *Value) bool {
  4277  	// match: (Mul64 x y)
  4278  	// cond:
  4279  	// result: (MULLD  x y)
  4280  	for {
  4281  		x := v.Args[0]
  4282  		y := v.Args[1]
  4283  		v.reset(OpS390XMULLD)
  4284  		v.AddArg(x)
  4285  		v.AddArg(y)
  4286  		return true
  4287  	}
  4288  }
  4289  func rewriteValueS390X_OpMul64F(v *Value) bool {
  4290  	// match: (Mul64F x y)
  4291  	// cond:
  4292  	// result: (FMUL x y)
  4293  	for {
  4294  		x := v.Args[0]
  4295  		y := v.Args[1]
  4296  		v.reset(OpS390XFMUL)
  4297  		v.AddArg(x)
  4298  		v.AddArg(y)
  4299  		return true
  4300  	}
  4301  }
  4302  func rewriteValueS390X_OpMul8(v *Value) bool {
  4303  	// match: (Mul8 x y)
  4304  	// cond:
  4305  	// result: (MULLW  x y)
  4306  	for {
  4307  		x := v.Args[0]
  4308  		y := v.Args[1]
  4309  		v.reset(OpS390XMULLW)
  4310  		v.AddArg(x)
  4311  		v.AddArg(y)
  4312  		return true
  4313  	}
  4314  }
  4315  func rewriteValueS390X_OpNeg16(v *Value) bool {
  4316  	b := v.Block
  4317  	_ = b
  4318  	types := &b.Func.Config.Types
  4319  	_ = types
  4320  	// match: (Neg16 x)
  4321  	// cond:
  4322  	// result: (NEGW (MOVHreg x))
  4323  	for {
  4324  		x := v.Args[0]
  4325  		v.reset(OpS390XNEGW)
  4326  		v0 := b.NewValue0(v.Pos, OpS390XMOVHreg, types.Int64)
  4327  		v0.AddArg(x)
  4328  		v.AddArg(v0)
  4329  		return true
  4330  	}
  4331  }
  4332  func rewriteValueS390X_OpNeg32(v *Value) bool {
  4333  	// match: (Neg32 x)
  4334  	// cond:
  4335  	// result: (NEGW x)
  4336  	for {
  4337  		x := v.Args[0]
  4338  		v.reset(OpS390XNEGW)
  4339  		v.AddArg(x)
  4340  		return true
  4341  	}
  4342  }
  4343  func rewriteValueS390X_OpNeg32F(v *Value) bool {
  4344  	// match: (Neg32F x)
  4345  	// cond:
  4346  	// result: (FNEGS x)
  4347  	for {
  4348  		x := v.Args[0]
  4349  		v.reset(OpS390XFNEGS)
  4350  		v.AddArg(x)
  4351  		return true
  4352  	}
  4353  }
  4354  func rewriteValueS390X_OpNeg64(v *Value) bool {
  4355  	// match: (Neg64 x)
  4356  	// cond:
  4357  	// result: (NEG x)
  4358  	for {
  4359  		x := v.Args[0]
  4360  		v.reset(OpS390XNEG)
  4361  		v.AddArg(x)
  4362  		return true
  4363  	}
  4364  }
  4365  func rewriteValueS390X_OpNeg64F(v *Value) bool {
  4366  	// match: (Neg64F x)
  4367  	// cond:
  4368  	// result: (FNEG x)
  4369  	for {
  4370  		x := v.Args[0]
  4371  		v.reset(OpS390XFNEG)
  4372  		v.AddArg(x)
  4373  		return true
  4374  	}
  4375  }
  4376  func rewriteValueS390X_OpNeg8(v *Value) bool {
  4377  	b := v.Block
  4378  	_ = b
  4379  	types := &b.Func.Config.Types
  4380  	_ = types
  4381  	// match: (Neg8 x)
  4382  	// cond:
  4383  	// result: (NEGW (MOVBreg x))
  4384  	for {
  4385  		x := v.Args[0]
  4386  		v.reset(OpS390XNEGW)
  4387  		v0 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  4388  		v0.AddArg(x)
  4389  		v.AddArg(v0)
  4390  		return true
  4391  	}
  4392  }
  4393  func rewriteValueS390X_OpNeq16(v *Value) bool {
  4394  	b := v.Block
  4395  	_ = b
  4396  	types := &b.Func.Config.Types
  4397  	_ = types
  4398  	// match: (Neq16 x y)
  4399  	// cond:
  4400  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  4401  	for {
  4402  		x := v.Args[0]
  4403  		y := v.Args[1]
  4404  		v.reset(OpS390XMOVDNE)
  4405  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  4406  		v0.AuxInt = 0
  4407  		v.AddArg(v0)
  4408  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  4409  		v1.AuxInt = 1
  4410  		v.AddArg(v1)
  4411  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  4412  		v3 := b.NewValue0(v.Pos, OpS390XMOVHreg, types.Int64)
  4413  		v3.AddArg(x)
  4414  		v2.AddArg(v3)
  4415  		v4 := b.NewValue0(v.Pos, OpS390XMOVHreg, types.Int64)
  4416  		v4.AddArg(y)
  4417  		v2.AddArg(v4)
  4418  		v.AddArg(v2)
  4419  		return true
  4420  	}
  4421  }
  4422  func rewriteValueS390X_OpNeq32(v *Value) bool {
  4423  	b := v.Block
  4424  	_ = b
  4425  	types := &b.Func.Config.Types
  4426  	_ = types
  4427  	// match: (Neq32 x y)
  4428  	// cond:
  4429  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  4430  	for {
  4431  		x := v.Args[0]
  4432  		y := v.Args[1]
  4433  		v.reset(OpS390XMOVDNE)
  4434  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  4435  		v0.AuxInt = 0
  4436  		v.AddArg(v0)
  4437  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  4438  		v1.AuxInt = 1
  4439  		v.AddArg(v1)
  4440  		v2 := b.NewValue0(v.Pos, OpS390XCMPW, TypeFlags)
  4441  		v2.AddArg(x)
  4442  		v2.AddArg(y)
  4443  		v.AddArg(v2)
  4444  		return true
  4445  	}
  4446  }
  4447  func rewriteValueS390X_OpNeq32F(v *Value) bool {
  4448  	b := v.Block
  4449  	_ = b
  4450  	types := &b.Func.Config.Types
  4451  	_ = types
  4452  	// match: (Neq32F x y)
  4453  	// cond:
  4454  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (FCMPS x y))
  4455  	for {
  4456  		x := v.Args[0]
  4457  		y := v.Args[1]
  4458  		v.reset(OpS390XMOVDNE)
  4459  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  4460  		v0.AuxInt = 0
  4461  		v.AddArg(v0)
  4462  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  4463  		v1.AuxInt = 1
  4464  		v.AddArg(v1)
  4465  		v2 := b.NewValue0(v.Pos, OpS390XFCMPS, TypeFlags)
  4466  		v2.AddArg(x)
  4467  		v2.AddArg(y)
  4468  		v.AddArg(v2)
  4469  		return true
  4470  	}
  4471  }
  4472  func rewriteValueS390X_OpNeq64(v *Value) bool {
  4473  	b := v.Block
  4474  	_ = b
  4475  	types := &b.Func.Config.Types
  4476  	_ = types
  4477  	// match: (Neq64 x y)
  4478  	// cond:
  4479  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  4480  	for {
  4481  		x := v.Args[0]
  4482  		y := v.Args[1]
  4483  		v.reset(OpS390XMOVDNE)
  4484  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  4485  		v0.AuxInt = 0
  4486  		v.AddArg(v0)
  4487  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  4488  		v1.AuxInt = 1
  4489  		v.AddArg(v1)
  4490  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  4491  		v2.AddArg(x)
  4492  		v2.AddArg(y)
  4493  		v.AddArg(v2)
  4494  		return true
  4495  	}
  4496  }
  4497  func rewriteValueS390X_OpNeq64F(v *Value) bool {
  4498  	b := v.Block
  4499  	_ = b
  4500  	types := &b.Func.Config.Types
  4501  	_ = types
  4502  	// match: (Neq64F x y)
  4503  	// cond:
  4504  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (FCMP x y))
  4505  	for {
  4506  		x := v.Args[0]
  4507  		y := v.Args[1]
  4508  		v.reset(OpS390XMOVDNE)
  4509  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  4510  		v0.AuxInt = 0
  4511  		v.AddArg(v0)
  4512  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  4513  		v1.AuxInt = 1
  4514  		v.AddArg(v1)
  4515  		v2 := b.NewValue0(v.Pos, OpS390XFCMP, TypeFlags)
  4516  		v2.AddArg(x)
  4517  		v2.AddArg(y)
  4518  		v.AddArg(v2)
  4519  		return true
  4520  	}
  4521  }
  4522  func rewriteValueS390X_OpNeq8(v *Value) bool {
  4523  	b := v.Block
  4524  	_ = b
  4525  	types := &b.Func.Config.Types
  4526  	_ = types
  4527  	// match: (Neq8 x y)
  4528  	// cond:
  4529  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  4530  	for {
  4531  		x := v.Args[0]
  4532  		y := v.Args[1]
  4533  		v.reset(OpS390XMOVDNE)
  4534  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  4535  		v0.AuxInt = 0
  4536  		v.AddArg(v0)
  4537  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  4538  		v1.AuxInt = 1
  4539  		v.AddArg(v1)
  4540  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  4541  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  4542  		v3.AddArg(x)
  4543  		v2.AddArg(v3)
  4544  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  4545  		v4.AddArg(y)
  4546  		v2.AddArg(v4)
  4547  		v.AddArg(v2)
  4548  		return true
  4549  	}
  4550  }
  4551  func rewriteValueS390X_OpNeqB(v *Value) bool {
  4552  	b := v.Block
  4553  	_ = b
  4554  	types := &b.Func.Config.Types
  4555  	_ = types
  4556  	// match: (NeqB x y)
  4557  	// cond:
  4558  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  4559  	for {
  4560  		x := v.Args[0]
  4561  		y := v.Args[1]
  4562  		v.reset(OpS390XMOVDNE)
  4563  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  4564  		v0.AuxInt = 0
  4565  		v.AddArg(v0)
  4566  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  4567  		v1.AuxInt = 1
  4568  		v.AddArg(v1)
  4569  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  4570  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  4571  		v3.AddArg(x)
  4572  		v2.AddArg(v3)
  4573  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  4574  		v4.AddArg(y)
  4575  		v2.AddArg(v4)
  4576  		v.AddArg(v2)
  4577  		return true
  4578  	}
  4579  }
  4580  func rewriteValueS390X_OpNeqPtr(v *Value) bool {
  4581  	b := v.Block
  4582  	_ = b
  4583  	types := &b.Func.Config.Types
  4584  	_ = types
  4585  	// match: (NeqPtr x y)
  4586  	// cond:
  4587  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  4588  	for {
  4589  		x := v.Args[0]
  4590  		y := v.Args[1]
  4591  		v.reset(OpS390XMOVDNE)
  4592  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  4593  		v0.AuxInt = 0
  4594  		v.AddArg(v0)
  4595  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  4596  		v1.AuxInt = 1
  4597  		v.AddArg(v1)
  4598  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  4599  		v2.AddArg(x)
  4600  		v2.AddArg(y)
  4601  		v.AddArg(v2)
  4602  		return true
  4603  	}
  4604  }
  4605  func rewriteValueS390X_OpNilCheck(v *Value) bool {
  4606  	// match: (NilCheck ptr mem)
  4607  	// cond:
  4608  	// result: (LoweredNilCheck ptr mem)
  4609  	for {
  4610  		ptr := v.Args[0]
  4611  		mem := v.Args[1]
  4612  		v.reset(OpS390XLoweredNilCheck)
  4613  		v.AddArg(ptr)
  4614  		v.AddArg(mem)
  4615  		return true
  4616  	}
  4617  }
  4618  func rewriteValueS390X_OpNot(v *Value) bool {
  4619  	// match: (Not x)
  4620  	// cond:
  4621  	// result: (XORWconst [1] x)
  4622  	for {
  4623  		x := v.Args[0]
  4624  		v.reset(OpS390XXORWconst)
  4625  		v.AuxInt = 1
  4626  		v.AddArg(x)
  4627  		return true
  4628  	}
  4629  }
  4630  func rewriteValueS390X_OpOffPtr(v *Value) bool {
  4631  	b := v.Block
  4632  	_ = b
  4633  	types := &b.Func.Config.Types
  4634  	_ = types
  4635  	// match: (OffPtr [off] ptr:(SP))
  4636  	// cond:
  4637  	// result: (MOVDaddr [off] ptr)
  4638  	for {
  4639  		off := v.AuxInt
  4640  		ptr := v.Args[0]
  4641  		if ptr.Op != OpSP {
  4642  			break
  4643  		}
  4644  		v.reset(OpS390XMOVDaddr)
  4645  		v.AuxInt = off
  4646  		v.AddArg(ptr)
  4647  		return true
  4648  	}
  4649  	// match: (OffPtr [off] ptr)
  4650  	// cond: is32Bit(off)
  4651  	// result: (ADDconst [off] ptr)
  4652  	for {
  4653  		off := v.AuxInt
  4654  		ptr := v.Args[0]
  4655  		if !(is32Bit(off)) {
  4656  			break
  4657  		}
  4658  		v.reset(OpS390XADDconst)
  4659  		v.AuxInt = off
  4660  		v.AddArg(ptr)
  4661  		return true
  4662  	}
  4663  	// match: (OffPtr [off] ptr)
  4664  	// cond:
  4665  	// result: (ADD (MOVDconst [off]) ptr)
  4666  	for {
  4667  		off := v.AuxInt
  4668  		ptr := v.Args[0]
  4669  		v.reset(OpS390XADD)
  4670  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
  4671  		v0.AuxInt = off
  4672  		v.AddArg(v0)
  4673  		v.AddArg(ptr)
  4674  		return true
  4675  	}
  4676  }
  4677  func rewriteValueS390X_OpOr16(v *Value) bool {
  4678  	// match: (Or16 x y)
  4679  	// cond:
  4680  	// result: (ORW x y)
  4681  	for {
  4682  		x := v.Args[0]
  4683  		y := v.Args[1]
  4684  		v.reset(OpS390XORW)
  4685  		v.AddArg(x)
  4686  		v.AddArg(y)
  4687  		return true
  4688  	}
  4689  }
  4690  func rewriteValueS390X_OpOr32(v *Value) bool {
  4691  	// match: (Or32 x y)
  4692  	// cond:
  4693  	// result: (ORW x y)
  4694  	for {
  4695  		x := v.Args[0]
  4696  		y := v.Args[1]
  4697  		v.reset(OpS390XORW)
  4698  		v.AddArg(x)
  4699  		v.AddArg(y)
  4700  		return true
  4701  	}
  4702  }
  4703  func rewriteValueS390X_OpOr64(v *Value) bool {
  4704  	// match: (Or64 x y)
  4705  	// cond:
  4706  	// result: (OR x y)
  4707  	for {
  4708  		x := v.Args[0]
  4709  		y := v.Args[1]
  4710  		v.reset(OpS390XOR)
  4711  		v.AddArg(x)
  4712  		v.AddArg(y)
  4713  		return true
  4714  	}
  4715  }
  4716  func rewriteValueS390X_OpOr8(v *Value) bool {
  4717  	// match: (Or8 x y)
  4718  	// cond:
  4719  	// result: (ORW x y)
  4720  	for {
  4721  		x := v.Args[0]
  4722  		y := v.Args[1]
  4723  		v.reset(OpS390XORW)
  4724  		v.AddArg(x)
  4725  		v.AddArg(y)
  4726  		return true
  4727  	}
  4728  }
  4729  func rewriteValueS390X_OpOrB(v *Value) bool {
  4730  	// match: (OrB x y)
  4731  	// cond:
  4732  	// result: (ORW x y)
  4733  	for {
  4734  		x := v.Args[0]
  4735  		y := v.Args[1]
  4736  		v.reset(OpS390XORW)
  4737  		v.AddArg(x)
  4738  		v.AddArg(y)
  4739  		return true
  4740  	}
  4741  }
  4742  func rewriteValueS390X_OpRound32F(v *Value) bool {
  4743  	// match: (Round32F x)
  4744  	// cond:
  4745  	// result: (LoweredRound32F x)
  4746  	for {
  4747  		x := v.Args[0]
  4748  		v.reset(OpS390XLoweredRound32F)
  4749  		v.AddArg(x)
  4750  		return true
  4751  	}
  4752  }
  4753  func rewriteValueS390X_OpRound64F(v *Value) bool {
  4754  	// match: (Round64F x)
  4755  	// cond:
  4756  	// result: (LoweredRound64F x)
  4757  	for {
  4758  		x := v.Args[0]
  4759  		v.reset(OpS390XLoweredRound64F)
  4760  		v.AddArg(x)
  4761  		return true
  4762  	}
  4763  }
  4764  func rewriteValueS390X_OpRsh16Ux16(v *Value) bool {
  4765  	b := v.Block
  4766  	_ = b
  4767  	types := &b.Func.Config.Types
  4768  	_ = types
  4769  	// match: (Rsh16Ux16 <t> x y)
  4770  	// cond:
  4771  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [15])))
  4772  	for {
  4773  		t := v.Type
  4774  		x := v.Args[0]
  4775  		y := v.Args[1]
  4776  		v.reset(OpS390XANDW)
  4777  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  4778  		v1 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  4779  		v1.AddArg(x)
  4780  		v0.AddArg(v1)
  4781  		v0.AddArg(y)
  4782  		v.AddArg(v0)
  4783  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  4784  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  4785  		v3.AuxInt = 15
  4786  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  4787  		v4.AddArg(y)
  4788  		v3.AddArg(v4)
  4789  		v2.AddArg(v3)
  4790  		v.AddArg(v2)
  4791  		return true
  4792  	}
  4793  }
  4794  func rewriteValueS390X_OpRsh16Ux32(v *Value) bool {
  4795  	b := v.Block
  4796  	_ = b
  4797  	types := &b.Func.Config.Types
  4798  	_ = types
  4799  	// match: (Rsh16Ux32 <t> x y)
  4800  	// cond:
  4801  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPWUconst y [15])))
  4802  	for {
  4803  		t := v.Type
  4804  		x := v.Args[0]
  4805  		y := v.Args[1]
  4806  		v.reset(OpS390XANDW)
  4807  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  4808  		v1 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  4809  		v1.AddArg(x)
  4810  		v0.AddArg(v1)
  4811  		v0.AddArg(y)
  4812  		v.AddArg(v0)
  4813  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  4814  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  4815  		v3.AuxInt = 15
  4816  		v3.AddArg(y)
  4817  		v2.AddArg(v3)
  4818  		v.AddArg(v2)
  4819  		return true
  4820  	}
  4821  }
  4822  func rewriteValueS390X_OpRsh16Ux64(v *Value) bool {
  4823  	b := v.Block
  4824  	_ = b
  4825  	types := &b.Func.Config.Types
  4826  	_ = types
  4827  	// match: (Rsh16Ux64 <t> x y)
  4828  	// cond:
  4829  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPUconst y [15])))
  4830  	for {
  4831  		t := v.Type
  4832  		x := v.Args[0]
  4833  		y := v.Args[1]
  4834  		v.reset(OpS390XANDW)
  4835  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  4836  		v1 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  4837  		v1.AddArg(x)
  4838  		v0.AddArg(v1)
  4839  		v0.AddArg(y)
  4840  		v.AddArg(v0)
  4841  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  4842  		v3 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  4843  		v3.AuxInt = 15
  4844  		v3.AddArg(y)
  4845  		v2.AddArg(v3)
  4846  		v.AddArg(v2)
  4847  		return true
  4848  	}
  4849  }
  4850  func rewriteValueS390X_OpRsh16Ux8(v *Value) bool {
  4851  	b := v.Block
  4852  	_ = b
  4853  	types := &b.Func.Config.Types
  4854  	_ = types
  4855  	// match: (Rsh16Ux8 <t> x y)
  4856  	// cond:
  4857  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [15])))
  4858  	for {
  4859  		t := v.Type
  4860  		x := v.Args[0]
  4861  		y := v.Args[1]
  4862  		v.reset(OpS390XANDW)
  4863  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  4864  		v1 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  4865  		v1.AddArg(x)
  4866  		v0.AddArg(v1)
  4867  		v0.AddArg(y)
  4868  		v.AddArg(v0)
  4869  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  4870  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  4871  		v3.AuxInt = 15
  4872  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  4873  		v4.AddArg(y)
  4874  		v3.AddArg(v4)
  4875  		v2.AddArg(v3)
  4876  		v.AddArg(v2)
  4877  		return true
  4878  	}
  4879  }
  4880  func rewriteValueS390X_OpRsh16x16(v *Value) bool {
  4881  	b := v.Block
  4882  	_ = b
  4883  	types := &b.Func.Config.Types
  4884  	_ = types
  4885  	// match: (Rsh16x16 <t> x y)
  4886  	// cond:
  4887  	// result: (SRAW <t> (MOVHreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [15])))))
  4888  	for {
  4889  		t := v.Type
  4890  		x := v.Args[0]
  4891  		y := v.Args[1]
  4892  		v.reset(OpS390XSRAW)
  4893  		v.Type = t
  4894  		v0 := b.NewValue0(v.Pos, OpS390XMOVHreg, types.Int64)
  4895  		v0.AddArg(x)
  4896  		v.AddArg(v0)
  4897  		v1 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  4898  		v1.AddArg(y)
  4899  		v2 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  4900  		v3 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  4901  		v4 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  4902  		v4.AuxInt = 15
  4903  		v5 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  4904  		v5.AddArg(y)
  4905  		v4.AddArg(v5)
  4906  		v3.AddArg(v4)
  4907  		v2.AddArg(v3)
  4908  		v1.AddArg(v2)
  4909  		v.AddArg(v1)
  4910  		return true
  4911  	}
  4912  }
  4913  func rewriteValueS390X_OpRsh16x32(v *Value) bool {
  4914  	b := v.Block
  4915  	_ = b
  4916  	types := &b.Func.Config.Types
  4917  	_ = types
  4918  	// match: (Rsh16x32 <t> x y)
  4919  	// cond:
  4920  	// result: (SRAW <t> (MOVHreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [15])))))
  4921  	for {
  4922  		t := v.Type
  4923  		x := v.Args[0]
  4924  		y := v.Args[1]
  4925  		v.reset(OpS390XSRAW)
  4926  		v.Type = t
  4927  		v0 := b.NewValue0(v.Pos, OpS390XMOVHreg, types.Int64)
  4928  		v0.AddArg(x)
  4929  		v.AddArg(v0)
  4930  		v1 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  4931  		v1.AddArg(y)
  4932  		v2 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  4933  		v3 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  4934  		v4 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  4935  		v4.AuxInt = 15
  4936  		v4.AddArg(y)
  4937  		v3.AddArg(v4)
  4938  		v2.AddArg(v3)
  4939  		v1.AddArg(v2)
  4940  		v.AddArg(v1)
  4941  		return true
  4942  	}
  4943  }
  4944  func rewriteValueS390X_OpRsh16x64(v *Value) bool {
  4945  	b := v.Block
  4946  	_ = b
  4947  	types := &b.Func.Config.Types
  4948  	_ = types
  4949  	// match: (Rsh16x64 <t> x y)
  4950  	// cond:
  4951  	// result: (SRAW <t> (MOVHreg x) (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [15])))))
  4952  	for {
  4953  		t := v.Type
  4954  		x := v.Args[0]
  4955  		y := v.Args[1]
  4956  		v.reset(OpS390XSRAW)
  4957  		v.Type = t
  4958  		v0 := b.NewValue0(v.Pos, OpS390XMOVHreg, types.Int64)
  4959  		v0.AddArg(x)
  4960  		v.AddArg(v0)
  4961  		v1 := b.NewValue0(v.Pos, OpS390XOR, y.Type)
  4962  		v1.AddArg(y)
  4963  		v2 := b.NewValue0(v.Pos, OpS390XNOT, y.Type)
  4964  		v3 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, y.Type)
  4965  		v4 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  4966  		v4.AuxInt = 15
  4967  		v4.AddArg(y)
  4968  		v3.AddArg(v4)
  4969  		v2.AddArg(v3)
  4970  		v1.AddArg(v2)
  4971  		v.AddArg(v1)
  4972  		return true
  4973  	}
  4974  }
  4975  func rewriteValueS390X_OpRsh16x8(v *Value) bool {
  4976  	b := v.Block
  4977  	_ = b
  4978  	types := &b.Func.Config.Types
  4979  	_ = types
  4980  	// match: (Rsh16x8 <t> x y)
  4981  	// cond:
  4982  	// result: (SRAW <t> (MOVHreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [15])))))
  4983  	for {
  4984  		t := v.Type
  4985  		x := v.Args[0]
  4986  		y := v.Args[1]
  4987  		v.reset(OpS390XSRAW)
  4988  		v.Type = t
  4989  		v0 := b.NewValue0(v.Pos, OpS390XMOVHreg, types.Int64)
  4990  		v0.AddArg(x)
  4991  		v.AddArg(v0)
  4992  		v1 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  4993  		v1.AddArg(y)
  4994  		v2 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  4995  		v3 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  4996  		v4 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  4997  		v4.AuxInt = 15
  4998  		v5 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  4999  		v5.AddArg(y)
  5000  		v4.AddArg(v5)
  5001  		v3.AddArg(v4)
  5002  		v2.AddArg(v3)
  5003  		v1.AddArg(v2)
  5004  		v.AddArg(v1)
  5005  		return true
  5006  	}
  5007  }
  5008  func rewriteValueS390X_OpRsh32Ux16(v *Value) bool {
  5009  	b := v.Block
  5010  	_ = b
  5011  	types := &b.Func.Config.Types
  5012  	_ = types
  5013  	// match: (Rsh32Ux16 <t> x y)
  5014  	// cond:
  5015  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  5016  	for {
  5017  		t := v.Type
  5018  		x := v.Args[0]
  5019  		y := v.Args[1]
  5020  		v.reset(OpS390XANDW)
  5021  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5022  		v0.AddArg(x)
  5023  		v0.AddArg(y)
  5024  		v.AddArg(v0)
  5025  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5026  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5027  		v2.AuxInt = 31
  5028  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  5029  		v3.AddArg(y)
  5030  		v2.AddArg(v3)
  5031  		v1.AddArg(v2)
  5032  		v.AddArg(v1)
  5033  		return true
  5034  	}
  5035  }
  5036  func rewriteValueS390X_OpRsh32Ux32(v *Value) bool {
  5037  	b := v.Block
  5038  	_ = b
  5039  	// match: (Rsh32Ux32 <t> x y)
  5040  	// cond:
  5041  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  5042  	for {
  5043  		t := v.Type
  5044  		x := v.Args[0]
  5045  		y := v.Args[1]
  5046  		v.reset(OpS390XANDW)
  5047  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5048  		v0.AddArg(x)
  5049  		v0.AddArg(y)
  5050  		v.AddArg(v0)
  5051  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5052  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5053  		v2.AuxInt = 31
  5054  		v2.AddArg(y)
  5055  		v1.AddArg(v2)
  5056  		v.AddArg(v1)
  5057  		return true
  5058  	}
  5059  }
  5060  func rewriteValueS390X_OpRsh32Ux64(v *Value) bool {
  5061  	b := v.Block
  5062  	_ = b
  5063  	// match: (Rsh32Ux64 <t> x y)
  5064  	// cond:
  5065  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  5066  	for {
  5067  		t := v.Type
  5068  		x := v.Args[0]
  5069  		y := v.Args[1]
  5070  		v.reset(OpS390XANDW)
  5071  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5072  		v0.AddArg(x)
  5073  		v0.AddArg(y)
  5074  		v.AddArg(v0)
  5075  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5076  		v2 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  5077  		v2.AuxInt = 31
  5078  		v2.AddArg(y)
  5079  		v1.AddArg(v2)
  5080  		v.AddArg(v1)
  5081  		return true
  5082  	}
  5083  }
  5084  func rewriteValueS390X_OpRsh32Ux8(v *Value) bool {
  5085  	b := v.Block
  5086  	_ = b
  5087  	types := &b.Func.Config.Types
  5088  	_ = types
  5089  	// match: (Rsh32Ux8 <t> x y)
  5090  	// cond:
  5091  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  5092  	for {
  5093  		t := v.Type
  5094  		x := v.Args[0]
  5095  		y := v.Args[1]
  5096  		v.reset(OpS390XANDW)
  5097  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5098  		v0.AddArg(x)
  5099  		v0.AddArg(y)
  5100  		v.AddArg(v0)
  5101  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5102  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5103  		v2.AuxInt = 31
  5104  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  5105  		v3.AddArg(y)
  5106  		v2.AddArg(v3)
  5107  		v1.AddArg(v2)
  5108  		v.AddArg(v1)
  5109  		return true
  5110  	}
  5111  }
  5112  func rewriteValueS390X_OpRsh32x16(v *Value) bool {
  5113  	b := v.Block
  5114  	_ = b
  5115  	types := &b.Func.Config.Types
  5116  	_ = types
  5117  	// match: (Rsh32x16 <t> x y)
  5118  	// cond:
  5119  	// result: (SRAW <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [31])))))
  5120  	for {
  5121  		t := v.Type
  5122  		x := v.Args[0]
  5123  		y := v.Args[1]
  5124  		v.reset(OpS390XSRAW)
  5125  		v.Type = t
  5126  		v.AddArg(x)
  5127  		v0 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5128  		v0.AddArg(y)
  5129  		v1 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5130  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5131  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5132  		v3.AuxInt = 31
  5133  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  5134  		v4.AddArg(y)
  5135  		v3.AddArg(v4)
  5136  		v2.AddArg(v3)
  5137  		v1.AddArg(v2)
  5138  		v0.AddArg(v1)
  5139  		v.AddArg(v0)
  5140  		return true
  5141  	}
  5142  }
  5143  func rewriteValueS390X_OpRsh32x32(v *Value) bool {
  5144  	b := v.Block
  5145  	_ = b
  5146  	// match: (Rsh32x32 <t> x y)
  5147  	// cond:
  5148  	// result: (SRAW <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [31])))))
  5149  	for {
  5150  		t := v.Type
  5151  		x := v.Args[0]
  5152  		y := v.Args[1]
  5153  		v.reset(OpS390XSRAW)
  5154  		v.Type = t
  5155  		v.AddArg(x)
  5156  		v0 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5157  		v0.AddArg(y)
  5158  		v1 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5159  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5160  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5161  		v3.AuxInt = 31
  5162  		v3.AddArg(y)
  5163  		v2.AddArg(v3)
  5164  		v1.AddArg(v2)
  5165  		v0.AddArg(v1)
  5166  		v.AddArg(v0)
  5167  		return true
  5168  	}
  5169  }
  5170  func rewriteValueS390X_OpRsh32x64(v *Value) bool {
  5171  	b := v.Block
  5172  	_ = b
  5173  	// match: (Rsh32x64 <t> x y)
  5174  	// cond:
  5175  	// result: (SRAW <t> x (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [31])))))
  5176  	for {
  5177  		t := v.Type
  5178  		x := v.Args[0]
  5179  		y := v.Args[1]
  5180  		v.reset(OpS390XSRAW)
  5181  		v.Type = t
  5182  		v.AddArg(x)
  5183  		v0 := b.NewValue0(v.Pos, OpS390XOR, y.Type)
  5184  		v0.AddArg(y)
  5185  		v1 := b.NewValue0(v.Pos, OpS390XNOT, y.Type)
  5186  		v2 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, y.Type)
  5187  		v3 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  5188  		v3.AuxInt = 31
  5189  		v3.AddArg(y)
  5190  		v2.AddArg(v3)
  5191  		v1.AddArg(v2)
  5192  		v0.AddArg(v1)
  5193  		v.AddArg(v0)
  5194  		return true
  5195  	}
  5196  }
  5197  func rewriteValueS390X_OpRsh32x8(v *Value) bool {
  5198  	b := v.Block
  5199  	_ = b
  5200  	types := &b.Func.Config.Types
  5201  	_ = types
  5202  	// match: (Rsh32x8 <t> x y)
  5203  	// cond:
  5204  	// result: (SRAW <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [31])))))
  5205  	for {
  5206  		t := v.Type
  5207  		x := v.Args[0]
  5208  		y := v.Args[1]
  5209  		v.reset(OpS390XSRAW)
  5210  		v.Type = t
  5211  		v.AddArg(x)
  5212  		v0 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5213  		v0.AddArg(y)
  5214  		v1 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5215  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5216  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5217  		v3.AuxInt = 31
  5218  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  5219  		v4.AddArg(y)
  5220  		v3.AddArg(v4)
  5221  		v2.AddArg(v3)
  5222  		v1.AddArg(v2)
  5223  		v0.AddArg(v1)
  5224  		v.AddArg(v0)
  5225  		return true
  5226  	}
  5227  }
  5228  func rewriteValueS390X_OpRsh64Ux16(v *Value) bool {
  5229  	b := v.Block
  5230  	_ = b
  5231  	types := &b.Func.Config.Types
  5232  	_ = types
  5233  	// match: (Rsh64Ux16 <t> x y)
  5234  	// cond:
  5235  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVHZreg y) [63])))
  5236  	for {
  5237  		t := v.Type
  5238  		x := v.Args[0]
  5239  		y := v.Args[1]
  5240  		v.reset(OpS390XAND)
  5241  		v0 := b.NewValue0(v.Pos, OpS390XSRD, t)
  5242  		v0.AddArg(x)
  5243  		v0.AddArg(y)
  5244  		v.AddArg(v0)
  5245  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  5246  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5247  		v2.AuxInt = 63
  5248  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  5249  		v3.AddArg(y)
  5250  		v2.AddArg(v3)
  5251  		v1.AddArg(v2)
  5252  		v.AddArg(v1)
  5253  		return true
  5254  	}
  5255  }
  5256  func rewriteValueS390X_OpRsh64Ux32(v *Value) bool {
  5257  	b := v.Block
  5258  	_ = b
  5259  	// match: (Rsh64Ux32 <t> x y)
  5260  	// cond:
  5261  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPWUconst y [63])))
  5262  	for {
  5263  		t := v.Type
  5264  		x := v.Args[0]
  5265  		y := v.Args[1]
  5266  		v.reset(OpS390XAND)
  5267  		v0 := b.NewValue0(v.Pos, OpS390XSRD, t)
  5268  		v0.AddArg(x)
  5269  		v0.AddArg(y)
  5270  		v.AddArg(v0)
  5271  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  5272  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5273  		v2.AuxInt = 63
  5274  		v2.AddArg(y)
  5275  		v1.AddArg(v2)
  5276  		v.AddArg(v1)
  5277  		return true
  5278  	}
  5279  }
  5280  func rewriteValueS390X_OpRsh64Ux64(v *Value) bool {
  5281  	b := v.Block
  5282  	_ = b
  5283  	// match: (Rsh64Ux64 <t> x y)
  5284  	// cond:
  5285  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPUconst y [63])))
  5286  	for {
  5287  		t := v.Type
  5288  		x := v.Args[0]
  5289  		y := v.Args[1]
  5290  		v.reset(OpS390XAND)
  5291  		v0 := b.NewValue0(v.Pos, OpS390XSRD, t)
  5292  		v0.AddArg(x)
  5293  		v0.AddArg(y)
  5294  		v.AddArg(v0)
  5295  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  5296  		v2 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  5297  		v2.AuxInt = 63
  5298  		v2.AddArg(y)
  5299  		v1.AddArg(v2)
  5300  		v.AddArg(v1)
  5301  		return true
  5302  	}
  5303  }
  5304  func rewriteValueS390X_OpRsh64Ux8(v *Value) bool {
  5305  	b := v.Block
  5306  	_ = b
  5307  	types := &b.Func.Config.Types
  5308  	_ = types
  5309  	// match: (Rsh64Ux8 <t> x y)
  5310  	// cond:
  5311  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVBZreg y) [63])))
  5312  	for {
  5313  		t := v.Type
  5314  		x := v.Args[0]
  5315  		y := v.Args[1]
  5316  		v.reset(OpS390XAND)
  5317  		v0 := b.NewValue0(v.Pos, OpS390XSRD, t)
  5318  		v0.AddArg(x)
  5319  		v0.AddArg(y)
  5320  		v.AddArg(v0)
  5321  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  5322  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5323  		v2.AuxInt = 63
  5324  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  5325  		v3.AddArg(y)
  5326  		v2.AddArg(v3)
  5327  		v1.AddArg(v2)
  5328  		v.AddArg(v1)
  5329  		return true
  5330  	}
  5331  }
  5332  func rewriteValueS390X_OpRsh64x16(v *Value) bool {
  5333  	b := v.Block
  5334  	_ = b
  5335  	types := &b.Func.Config.Types
  5336  	_ = types
  5337  	// match: (Rsh64x16 <t> x y)
  5338  	// cond:
  5339  	// result: (SRAD <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [63])))))
  5340  	for {
  5341  		t := v.Type
  5342  		x := v.Args[0]
  5343  		y := v.Args[1]
  5344  		v.reset(OpS390XSRAD)
  5345  		v.Type = t
  5346  		v.AddArg(x)
  5347  		v0 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5348  		v0.AddArg(y)
  5349  		v1 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5350  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5351  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5352  		v3.AuxInt = 63
  5353  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  5354  		v4.AddArg(y)
  5355  		v3.AddArg(v4)
  5356  		v2.AddArg(v3)
  5357  		v1.AddArg(v2)
  5358  		v0.AddArg(v1)
  5359  		v.AddArg(v0)
  5360  		return true
  5361  	}
  5362  }
  5363  func rewriteValueS390X_OpRsh64x32(v *Value) bool {
  5364  	b := v.Block
  5365  	_ = b
  5366  	// match: (Rsh64x32 <t> x y)
  5367  	// cond:
  5368  	// result: (SRAD <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [63])))))
  5369  	for {
  5370  		t := v.Type
  5371  		x := v.Args[0]
  5372  		y := v.Args[1]
  5373  		v.reset(OpS390XSRAD)
  5374  		v.Type = t
  5375  		v.AddArg(x)
  5376  		v0 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5377  		v0.AddArg(y)
  5378  		v1 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5379  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5380  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5381  		v3.AuxInt = 63
  5382  		v3.AddArg(y)
  5383  		v2.AddArg(v3)
  5384  		v1.AddArg(v2)
  5385  		v0.AddArg(v1)
  5386  		v.AddArg(v0)
  5387  		return true
  5388  	}
  5389  }
  5390  func rewriteValueS390X_OpRsh64x64(v *Value) bool {
  5391  	b := v.Block
  5392  	_ = b
  5393  	// match: (Rsh64x64 <t> x y)
  5394  	// cond:
  5395  	// result: (SRAD <t> x (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [63])))))
  5396  	for {
  5397  		t := v.Type
  5398  		x := v.Args[0]
  5399  		y := v.Args[1]
  5400  		v.reset(OpS390XSRAD)
  5401  		v.Type = t
  5402  		v.AddArg(x)
  5403  		v0 := b.NewValue0(v.Pos, OpS390XOR, y.Type)
  5404  		v0.AddArg(y)
  5405  		v1 := b.NewValue0(v.Pos, OpS390XNOT, y.Type)
  5406  		v2 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, y.Type)
  5407  		v3 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  5408  		v3.AuxInt = 63
  5409  		v3.AddArg(y)
  5410  		v2.AddArg(v3)
  5411  		v1.AddArg(v2)
  5412  		v0.AddArg(v1)
  5413  		v.AddArg(v0)
  5414  		return true
  5415  	}
  5416  }
  5417  func rewriteValueS390X_OpRsh64x8(v *Value) bool {
  5418  	b := v.Block
  5419  	_ = b
  5420  	types := &b.Func.Config.Types
  5421  	_ = types
  5422  	// match: (Rsh64x8 <t> x y)
  5423  	// cond:
  5424  	// result: (SRAD <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [63])))))
  5425  	for {
  5426  		t := v.Type
  5427  		x := v.Args[0]
  5428  		y := v.Args[1]
  5429  		v.reset(OpS390XSRAD)
  5430  		v.Type = t
  5431  		v.AddArg(x)
  5432  		v0 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5433  		v0.AddArg(y)
  5434  		v1 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5435  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5436  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5437  		v3.AuxInt = 63
  5438  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  5439  		v4.AddArg(y)
  5440  		v3.AddArg(v4)
  5441  		v2.AddArg(v3)
  5442  		v1.AddArg(v2)
  5443  		v0.AddArg(v1)
  5444  		v.AddArg(v0)
  5445  		return true
  5446  	}
  5447  }
  5448  func rewriteValueS390X_OpRsh8Ux16(v *Value) bool {
  5449  	b := v.Block
  5450  	_ = b
  5451  	types := &b.Func.Config.Types
  5452  	_ = types
  5453  	// match: (Rsh8Ux16 <t> x y)
  5454  	// cond:
  5455  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [7])))
  5456  	for {
  5457  		t := v.Type
  5458  		x := v.Args[0]
  5459  		y := v.Args[1]
  5460  		v.reset(OpS390XANDW)
  5461  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5462  		v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  5463  		v1.AddArg(x)
  5464  		v0.AddArg(v1)
  5465  		v0.AddArg(y)
  5466  		v.AddArg(v0)
  5467  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5468  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5469  		v3.AuxInt = 7
  5470  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  5471  		v4.AddArg(y)
  5472  		v3.AddArg(v4)
  5473  		v2.AddArg(v3)
  5474  		v.AddArg(v2)
  5475  		return true
  5476  	}
  5477  }
  5478  func rewriteValueS390X_OpRsh8Ux32(v *Value) bool {
  5479  	b := v.Block
  5480  	_ = b
  5481  	types := &b.Func.Config.Types
  5482  	_ = types
  5483  	// match: (Rsh8Ux32 <t> x y)
  5484  	// cond:
  5485  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPWUconst y [7])))
  5486  	for {
  5487  		t := v.Type
  5488  		x := v.Args[0]
  5489  		y := v.Args[1]
  5490  		v.reset(OpS390XANDW)
  5491  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5492  		v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  5493  		v1.AddArg(x)
  5494  		v0.AddArg(v1)
  5495  		v0.AddArg(y)
  5496  		v.AddArg(v0)
  5497  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5498  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5499  		v3.AuxInt = 7
  5500  		v3.AddArg(y)
  5501  		v2.AddArg(v3)
  5502  		v.AddArg(v2)
  5503  		return true
  5504  	}
  5505  }
  5506  func rewriteValueS390X_OpRsh8Ux64(v *Value) bool {
  5507  	b := v.Block
  5508  	_ = b
  5509  	types := &b.Func.Config.Types
  5510  	_ = types
  5511  	// match: (Rsh8Ux64 <t> x y)
  5512  	// cond:
  5513  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPUconst y [7])))
  5514  	for {
  5515  		t := v.Type
  5516  		x := v.Args[0]
  5517  		y := v.Args[1]
  5518  		v.reset(OpS390XANDW)
  5519  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5520  		v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  5521  		v1.AddArg(x)
  5522  		v0.AddArg(v1)
  5523  		v0.AddArg(y)
  5524  		v.AddArg(v0)
  5525  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5526  		v3 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  5527  		v3.AuxInt = 7
  5528  		v3.AddArg(y)
  5529  		v2.AddArg(v3)
  5530  		v.AddArg(v2)
  5531  		return true
  5532  	}
  5533  }
  5534  func rewriteValueS390X_OpRsh8Ux8(v *Value) bool {
  5535  	b := v.Block
  5536  	_ = b
  5537  	types := &b.Func.Config.Types
  5538  	_ = types
  5539  	// match: (Rsh8Ux8 <t> x y)
  5540  	// cond:
  5541  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [7])))
  5542  	for {
  5543  		t := v.Type
  5544  		x := v.Args[0]
  5545  		y := v.Args[1]
  5546  		v.reset(OpS390XANDW)
  5547  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5548  		v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  5549  		v1.AddArg(x)
  5550  		v0.AddArg(v1)
  5551  		v0.AddArg(y)
  5552  		v.AddArg(v0)
  5553  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5554  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5555  		v3.AuxInt = 7
  5556  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  5557  		v4.AddArg(y)
  5558  		v3.AddArg(v4)
  5559  		v2.AddArg(v3)
  5560  		v.AddArg(v2)
  5561  		return true
  5562  	}
  5563  }
  5564  func rewriteValueS390X_OpRsh8x16(v *Value) bool {
  5565  	b := v.Block
  5566  	_ = b
  5567  	types := &b.Func.Config.Types
  5568  	_ = types
  5569  	// match: (Rsh8x16 <t> x y)
  5570  	// cond:
  5571  	// result: (SRAW <t> (MOVBreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [7])))))
  5572  	for {
  5573  		t := v.Type
  5574  		x := v.Args[0]
  5575  		y := v.Args[1]
  5576  		v.reset(OpS390XSRAW)
  5577  		v.Type = t
  5578  		v0 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  5579  		v0.AddArg(x)
  5580  		v.AddArg(v0)
  5581  		v1 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5582  		v1.AddArg(y)
  5583  		v2 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5584  		v3 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5585  		v4 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5586  		v4.AuxInt = 7
  5587  		v5 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
  5588  		v5.AddArg(y)
  5589  		v4.AddArg(v5)
  5590  		v3.AddArg(v4)
  5591  		v2.AddArg(v3)
  5592  		v1.AddArg(v2)
  5593  		v.AddArg(v1)
  5594  		return true
  5595  	}
  5596  }
  5597  func rewriteValueS390X_OpRsh8x32(v *Value) bool {
  5598  	b := v.Block
  5599  	_ = b
  5600  	types := &b.Func.Config.Types
  5601  	_ = types
  5602  	// match: (Rsh8x32 <t> x y)
  5603  	// cond:
  5604  	// result: (SRAW <t> (MOVBreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [7])))))
  5605  	for {
  5606  		t := v.Type
  5607  		x := v.Args[0]
  5608  		y := v.Args[1]
  5609  		v.reset(OpS390XSRAW)
  5610  		v.Type = t
  5611  		v0 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  5612  		v0.AddArg(x)
  5613  		v.AddArg(v0)
  5614  		v1 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5615  		v1.AddArg(y)
  5616  		v2 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5617  		v3 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5618  		v4 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5619  		v4.AuxInt = 7
  5620  		v4.AddArg(y)
  5621  		v3.AddArg(v4)
  5622  		v2.AddArg(v3)
  5623  		v1.AddArg(v2)
  5624  		v.AddArg(v1)
  5625  		return true
  5626  	}
  5627  }
  5628  func rewriteValueS390X_OpRsh8x64(v *Value) bool {
  5629  	b := v.Block
  5630  	_ = b
  5631  	types := &b.Func.Config.Types
  5632  	_ = types
  5633  	// match: (Rsh8x64 <t> x y)
  5634  	// cond:
  5635  	// result: (SRAW <t> (MOVBreg x) (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [7])))))
  5636  	for {
  5637  		t := v.Type
  5638  		x := v.Args[0]
  5639  		y := v.Args[1]
  5640  		v.reset(OpS390XSRAW)
  5641  		v.Type = t
  5642  		v0 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  5643  		v0.AddArg(x)
  5644  		v.AddArg(v0)
  5645  		v1 := b.NewValue0(v.Pos, OpS390XOR, y.Type)
  5646  		v1.AddArg(y)
  5647  		v2 := b.NewValue0(v.Pos, OpS390XNOT, y.Type)
  5648  		v3 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, y.Type)
  5649  		v4 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  5650  		v4.AuxInt = 7
  5651  		v4.AddArg(y)
  5652  		v3.AddArg(v4)
  5653  		v2.AddArg(v3)
  5654  		v1.AddArg(v2)
  5655  		v.AddArg(v1)
  5656  		return true
  5657  	}
  5658  }
  5659  func rewriteValueS390X_OpRsh8x8(v *Value) bool {
  5660  	b := v.Block
  5661  	_ = b
  5662  	types := &b.Func.Config.Types
  5663  	_ = types
  5664  	// match: (Rsh8x8 <t> x y)
  5665  	// cond:
  5666  	// result: (SRAW <t> (MOVBreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [7])))))
  5667  	for {
  5668  		t := v.Type
  5669  		x := v.Args[0]
  5670  		y := v.Args[1]
  5671  		v.reset(OpS390XSRAW)
  5672  		v.Type = t
  5673  		v0 := b.NewValue0(v.Pos, OpS390XMOVBreg, types.Int64)
  5674  		v0.AddArg(x)
  5675  		v.AddArg(v0)
  5676  		v1 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5677  		v1.AddArg(y)
  5678  		v2 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5679  		v3 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5680  		v4 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5681  		v4.AuxInt = 7
  5682  		v5 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.UInt64)
  5683  		v5.AddArg(y)
  5684  		v4.AddArg(v5)
  5685  		v3.AddArg(v4)
  5686  		v2.AddArg(v3)
  5687  		v1.AddArg(v2)
  5688  		v.AddArg(v1)
  5689  		return true
  5690  	}
  5691  }
  5692  func rewriteValueS390X_OpS390XADD(v *Value) bool {
  5693  	// match: (ADD x (MOVDconst [c]))
  5694  	// cond: is32Bit(c)
  5695  	// result: (ADDconst [c] x)
  5696  	for {
  5697  		x := v.Args[0]
  5698  		v_1 := v.Args[1]
  5699  		if v_1.Op != OpS390XMOVDconst {
  5700  			break
  5701  		}
  5702  		c := v_1.AuxInt
  5703  		if !(is32Bit(c)) {
  5704  			break
  5705  		}
  5706  		v.reset(OpS390XADDconst)
  5707  		v.AuxInt = c
  5708  		v.AddArg(x)
  5709  		return true
  5710  	}
  5711  	// match: (ADD (MOVDconst [c]) x)
  5712  	// cond: is32Bit(c)
  5713  	// result: (ADDconst [c] x)
  5714  	for {
  5715  		v_0 := v.Args[0]
  5716  		if v_0.Op != OpS390XMOVDconst {
  5717  			break
  5718  		}
  5719  		c := v_0.AuxInt
  5720  		x := v.Args[1]
  5721  		if !(is32Bit(c)) {
  5722  			break
  5723  		}
  5724  		v.reset(OpS390XADDconst)
  5725  		v.AuxInt = c
  5726  		v.AddArg(x)
  5727  		return true
  5728  	}
  5729  	// match: (ADD (SLDconst x [c]) (SRDconst x [d]))
  5730  	// cond: d == 64-c
  5731  	// result: (RLLGconst [c] x)
  5732  	for {
  5733  		v_0 := v.Args[0]
  5734  		if v_0.Op != OpS390XSLDconst {
  5735  			break
  5736  		}
  5737  		c := v_0.AuxInt
  5738  		x := v_0.Args[0]
  5739  		v_1 := v.Args[1]
  5740  		if v_1.Op != OpS390XSRDconst {
  5741  			break
  5742  		}
  5743  		d := v_1.AuxInt
  5744  		if x != v_1.Args[0] {
  5745  			break
  5746  		}
  5747  		if !(d == 64-c) {
  5748  			break
  5749  		}
  5750  		v.reset(OpS390XRLLGconst)
  5751  		v.AuxInt = c
  5752  		v.AddArg(x)
  5753  		return true
  5754  	}
  5755  	// match: (ADD (SRDconst x [d]) (SLDconst x [c]))
  5756  	// cond: d == 64-c
  5757  	// result: (RLLGconst [c] x)
  5758  	for {
  5759  		v_0 := v.Args[0]
  5760  		if v_0.Op != OpS390XSRDconst {
  5761  			break
  5762  		}
  5763  		d := v_0.AuxInt
  5764  		x := v_0.Args[0]
  5765  		v_1 := v.Args[1]
  5766  		if v_1.Op != OpS390XSLDconst {
  5767  			break
  5768  		}
  5769  		c := v_1.AuxInt
  5770  		if x != v_1.Args[0] {
  5771  			break
  5772  		}
  5773  		if !(d == 64-c) {
  5774  			break
  5775  		}
  5776  		v.reset(OpS390XRLLGconst)
  5777  		v.AuxInt = c
  5778  		v.AddArg(x)
  5779  		return true
  5780  	}
  5781  	// match: (ADD idx (MOVDaddr [c] {s} ptr))
  5782  	// cond: ptr.Op != OpSB && idx.Op != OpSB
  5783  	// result: (MOVDaddridx [c] {s} ptr idx)
  5784  	for {
  5785  		idx := v.Args[0]
  5786  		v_1 := v.Args[1]
  5787  		if v_1.Op != OpS390XMOVDaddr {
  5788  			break
  5789  		}
  5790  		c := v_1.AuxInt
  5791  		s := v_1.Aux
  5792  		ptr := v_1.Args[0]
  5793  		if !(ptr.Op != OpSB && idx.Op != OpSB) {
  5794  			break
  5795  		}
  5796  		v.reset(OpS390XMOVDaddridx)
  5797  		v.AuxInt = c
  5798  		v.Aux = s
  5799  		v.AddArg(ptr)
  5800  		v.AddArg(idx)
  5801  		return true
  5802  	}
  5803  	// match: (ADD (MOVDaddr [c] {s} ptr) idx)
  5804  	// cond: ptr.Op != OpSB && idx.Op != OpSB
  5805  	// result: (MOVDaddridx [c] {s} ptr idx)
  5806  	for {
  5807  		v_0 := v.Args[0]
  5808  		if v_0.Op != OpS390XMOVDaddr {
  5809  			break
  5810  		}
  5811  		c := v_0.AuxInt
  5812  		s := v_0.Aux
  5813  		ptr := v_0.Args[0]
  5814  		idx := v.Args[1]
  5815  		if !(ptr.Op != OpSB && idx.Op != OpSB) {
  5816  			break
  5817  		}
  5818  		v.reset(OpS390XMOVDaddridx)
  5819  		v.AuxInt = c
  5820  		v.Aux = s
  5821  		v.AddArg(ptr)
  5822  		v.AddArg(idx)
  5823  		return true
  5824  	}
  5825  	// match: (ADD x (NEG y))
  5826  	// cond:
  5827  	// result: (SUB x y)
  5828  	for {
  5829  		x := v.Args[0]
  5830  		v_1 := v.Args[1]
  5831  		if v_1.Op != OpS390XNEG {
  5832  			break
  5833  		}
  5834  		y := v_1.Args[0]
  5835  		v.reset(OpS390XSUB)
  5836  		v.AddArg(x)
  5837  		v.AddArg(y)
  5838  		return true
  5839  	}
  5840  	// match: (ADD (NEG y) x)
  5841  	// cond:
  5842  	// result: (SUB x y)
  5843  	for {
  5844  		v_0 := v.Args[0]
  5845  		if v_0.Op != OpS390XNEG {
  5846  			break
  5847  		}
  5848  		y := v_0.Args[0]
  5849  		x := v.Args[1]
  5850  		v.reset(OpS390XSUB)
  5851  		v.AddArg(x)
  5852  		v.AddArg(y)
  5853  		return true
  5854  	}
  5855  	// match: (ADD <t> x g:(MOVDload [off] {sym} ptr mem))
  5856  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  5857  	// result: (ADDload <t> [off] {sym} x ptr mem)
  5858  	for {
  5859  		t := v.Type
  5860  		x := v.Args[0]
  5861  		g := v.Args[1]
  5862  		if g.Op != OpS390XMOVDload {
  5863  			break
  5864  		}
  5865  		off := g.AuxInt
  5866  		sym := g.Aux
  5867  		ptr := g.Args[0]
  5868  		mem := g.Args[1]
  5869  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  5870  			break
  5871  		}
  5872  		v.reset(OpS390XADDload)
  5873  		v.Type = t
  5874  		v.AuxInt = off
  5875  		v.Aux = sym
  5876  		v.AddArg(x)
  5877  		v.AddArg(ptr)
  5878  		v.AddArg(mem)
  5879  		return true
  5880  	}
  5881  	// match: (ADD <t> g:(MOVDload [off] {sym} ptr mem) x)
  5882  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  5883  	// result: (ADDload <t> [off] {sym} x ptr mem)
  5884  	for {
  5885  		t := v.Type
  5886  		g := v.Args[0]
  5887  		if g.Op != OpS390XMOVDload {
  5888  			break
  5889  		}
  5890  		off := g.AuxInt
  5891  		sym := g.Aux
  5892  		ptr := g.Args[0]
  5893  		mem := g.Args[1]
  5894  		x := v.Args[1]
  5895  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  5896  			break
  5897  		}
  5898  		v.reset(OpS390XADDload)
  5899  		v.Type = t
  5900  		v.AuxInt = off
  5901  		v.Aux = sym
  5902  		v.AddArg(x)
  5903  		v.AddArg(ptr)
  5904  		v.AddArg(mem)
  5905  		return true
  5906  	}
  5907  	// match: (ADD <t> g:(MOVDload [off] {sym} ptr mem) x)
  5908  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  5909  	// result: (ADDload <t> [off] {sym} x ptr mem)
  5910  	for {
  5911  		t := v.Type
  5912  		g := v.Args[0]
  5913  		if g.Op != OpS390XMOVDload {
  5914  			break
  5915  		}
  5916  		off := g.AuxInt
  5917  		sym := g.Aux
  5918  		ptr := g.Args[0]
  5919  		mem := g.Args[1]
  5920  		x := v.Args[1]
  5921  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  5922  			break
  5923  		}
  5924  		v.reset(OpS390XADDload)
  5925  		v.Type = t
  5926  		v.AuxInt = off
  5927  		v.Aux = sym
  5928  		v.AddArg(x)
  5929  		v.AddArg(ptr)
  5930  		v.AddArg(mem)
  5931  		return true
  5932  	}
  5933  	// match: (ADD <t> x g:(MOVDload [off] {sym} ptr mem))
  5934  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  5935  	// result: (ADDload <t> [off] {sym} x ptr mem)
  5936  	for {
  5937  		t := v.Type
  5938  		x := v.Args[0]
  5939  		g := v.Args[1]
  5940  		if g.Op != OpS390XMOVDload {
  5941  			break
  5942  		}
  5943  		off := g.AuxInt
  5944  		sym := g.Aux
  5945  		ptr := g.Args[0]
  5946  		mem := g.Args[1]
  5947  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  5948  			break
  5949  		}
  5950  		v.reset(OpS390XADDload)
  5951  		v.Type = t
  5952  		v.AuxInt = off
  5953  		v.Aux = sym
  5954  		v.AddArg(x)
  5955  		v.AddArg(ptr)
  5956  		v.AddArg(mem)
  5957  		return true
  5958  	}
  5959  	return false
  5960  }
  5961  func rewriteValueS390X_OpS390XADDW(v *Value) bool {
  5962  	// match: (ADDW x (MOVDconst [c]))
  5963  	// cond:
  5964  	// result: (ADDWconst [c] x)
  5965  	for {
  5966  		x := v.Args[0]
  5967  		v_1 := v.Args[1]
  5968  		if v_1.Op != OpS390XMOVDconst {
  5969  			break
  5970  		}
  5971  		c := v_1.AuxInt
  5972  		v.reset(OpS390XADDWconst)
  5973  		v.AuxInt = c
  5974  		v.AddArg(x)
  5975  		return true
  5976  	}
  5977  	// match: (ADDW (MOVDconst [c]) x)
  5978  	// cond:
  5979  	// result: (ADDWconst [c] x)
  5980  	for {
  5981  		v_0 := v.Args[0]
  5982  		if v_0.Op != OpS390XMOVDconst {
  5983  			break
  5984  		}
  5985  		c := v_0.AuxInt
  5986  		x := v.Args[1]
  5987  		v.reset(OpS390XADDWconst)
  5988  		v.AuxInt = c
  5989  		v.AddArg(x)
  5990  		return true
  5991  	}
  5992  	// match: (ADDW (SLWconst x [c]) (SRWconst x [d]))
  5993  	// cond: d == 32-c
  5994  	// result: (RLLconst [c] x)
  5995  	for {
  5996  		v_0 := v.Args[0]
  5997  		if v_0.Op != OpS390XSLWconst {
  5998  			break
  5999  		}
  6000  		c := v_0.AuxInt
  6001  		x := v_0.Args[0]
  6002  		v_1 := v.Args[1]
  6003  		if v_1.Op != OpS390XSRWconst {
  6004  			break
  6005  		}
  6006  		d := v_1.AuxInt
  6007  		if x != v_1.Args[0] {
  6008  			break
  6009  		}
  6010  		if !(d == 32-c) {
  6011  			break
  6012  		}
  6013  		v.reset(OpS390XRLLconst)
  6014  		v.AuxInt = c
  6015  		v.AddArg(x)
  6016  		return true
  6017  	}
  6018  	// match: (ADDW (SRWconst x [d]) (SLWconst x [c]))
  6019  	// cond: d == 32-c
  6020  	// result: (RLLconst [c] x)
  6021  	for {
  6022  		v_0 := v.Args[0]
  6023  		if v_0.Op != OpS390XSRWconst {
  6024  			break
  6025  		}
  6026  		d := v_0.AuxInt
  6027  		x := v_0.Args[0]
  6028  		v_1 := v.Args[1]
  6029  		if v_1.Op != OpS390XSLWconst {
  6030  			break
  6031  		}
  6032  		c := v_1.AuxInt
  6033  		if x != v_1.Args[0] {
  6034  			break
  6035  		}
  6036  		if !(d == 32-c) {
  6037  			break
  6038  		}
  6039  		v.reset(OpS390XRLLconst)
  6040  		v.AuxInt = c
  6041  		v.AddArg(x)
  6042  		return true
  6043  	}
  6044  	// match: (ADDW x (NEGW y))
  6045  	// cond:
  6046  	// result: (SUBW x y)
  6047  	for {
  6048  		x := v.Args[0]
  6049  		v_1 := v.Args[1]
  6050  		if v_1.Op != OpS390XNEGW {
  6051  			break
  6052  		}
  6053  		y := v_1.Args[0]
  6054  		v.reset(OpS390XSUBW)
  6055  		v.AddArg(x)
  6056  		v.AddArg(y)
  6057  		return true
  6058  	}
  6059  	// match: (ADDW (NEGW y) x)
  6060  	// cond:
  6061  	// result: (SUBW x y)
  6062  	for {
  6063  		v_0 := v.Args[0]
  6064  		if v_0.Op != OpS390XNEGW {
  6065  			break
  6066  		}
  6067  		y := v_0.Args[0]
  6068  		x := v.Args[1]
  6069  		v.reset(OpS390XSUBW)
  6070  		v.AddArg(x)
  6071  		v.AddArg(y)
  6072  		return true
  6073  	}
  6074  	// match: (ADDW <t> x g:(MOVWload [off] {sym} ptr mem))
  6075  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  6076  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  6077  	for {
  6078  		t := v.Type
  6079  		x := v.Args[0]
  6080  		g := v.Args[1]
  6081  		if g.Op != OpS390XMOVWload {
  6082  			break
  6083  		}
  6084  		off := g.AuxInt
  6085  		sym := g.Aux
  6086  		ptr := g.Args[0]
  6087  		mem := g.Args[1]
  6088  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  6089  			break
  6090  		}
  6091  		v.reset(OpS390XADDWload)
  6092  		v.Type = t
  6093  		v.AuxInt = off
  6094  		v.Aux = sym
  6095  		v.AddArg(x)
  6096  		v.AddArg(ptr)
  6097  		v.AddArg(mem)
  6098  		return true
  6099  	}
  6100  	// match: (ADDW <t> g:(MOVWload [off] {sym} ptr mem) x)
  6101  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  6102  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  6103  	for {
  6104  		t := v.Type
  6105  		g := v.Args[0]
  6106  		if g.Op != OpS390XMOVWload {
  6107  			break
  6108  		}
  6109  		off := g.AuxInt
  6110  		sym := g.Aux
  6111  		ptr := g.Args[0]
  6112  		mem := g.Args[1]
  6113  		x := v.Args[1]
  6114  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  6115  			break
  6116  		}
  6117  		v.reset(OpS390XADDWload)
  6118  		v.Type = t
  6119  		v.AuxInt = off
  6120  		v.Aux = sym
  6121  		v.AddArg(x)
  6122  		v.AddArg(ptr)
  6123  		v.AddArg(mem)
  6124  		return true
  6125  	}
  6126  	// match: (ADDW <t> g:(MOVWload [off] {sym} ptr mem) x)
  6127  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  6128  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  6129  	for {
  6130  		t := v.Type
  6131  		g := v.Args[0]
  6132  		if g.Op != OpS390XMOVWload {
  6133  			break
  6134  		}
  6135  		off := g.AuxInt
  6136  		sym := g.Aux
  6137  		ptr := g.Args[0]
  6138  		mem := g.Args[1]
  6139  		x := v.Args[1]
  6140  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  6141  			break
  6142  		}
  6143  		v.reset(OpS390XADDWload)
  6144  		v.Type = t
  6145  		v.AuxInt = off
  6146  		v.Aux = sym
  6147  		v.AddArg(x)
  6148  		v.AddArg(ptr)
  6149  		v.AddArg(mem)
  6150  		return true
  6151  	}
  6152  	// match: (ADDW <t> x g:(MOVWload [off] {sym} ptr mem))
  6153  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  6154  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  6155  	for {
  6156  		t := v.Type
  6157  		x := v.Args[0]
  6158  		g := v.Args[1]
  6159  		if g.Op != OpS390XMOVWload {
  6160  			break
  6161  		}
  6162  		off := g.AuxInt
  6163  		sym := g.Aux
  6164  		ptr := g.Args[0]
  6165  		mem := g.Args[1]
  6166  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  6167  			break
  6168  		}
  6169  		v.reset(OpS390XADDWload)
  6170  		v.Type = t
  6171  		v.AuxInt = off
  6172  		v.Aux = sym
  6173  		v.AddArg(x)
  6174  		v.AddArg(ptr)
  6175  		v.AddArg(mem)
  6176  		return true
  6177  	}
  6178  	// match: (ADDW <t> x g:(MOVWZload [off] {sym} ptr mem))
  6179  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  6180  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  6181  	for {
  6182  		t := v.Type
  6183  		x := v.Args[0]
  6184  		g := v.Args[1]
  6185  		if g.Op != OpS390XMOVWZload {
  6186  			break
  6187  		}
  6188  		off := g.AuxInt
  6189  		sym := g.Aux
  6190  		ptr := g.Args[0]
  6191  		mem := g.Args[1]
  6192  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  6193  			break
  6194  		}
  6195  		v.reset(OpS390XADDWload)
  6196  		v.Type = t
  6197  		v.AuxInt = off
  6198  		v.Aux = sym
  6199  		v.AddArg(x)
  6200  		v.AddArg(ptr)
  6201  		v.AddArg(mem)
  6202  		return true
  6203  	}
  6204  	// match: (ADDW <t> g:(MOVWZload [off] {sym} ptr mem) x)
  6205  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  6206  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  6207  	for {
  6208  		t := v.Type
  6209  		g := v.Args[0]
  6210  		if g.Op != OpS390XMOVWZload {
  6211  			break
  6212  		}
  6213  		off := g.AuxInt
  6214  		sym := g.Aux
  6215  		ptr := g.Args[0]
  6216  		mem := g.Args[1]
  6217  		x := v.Args[1]
  6218  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  6219  			break
  6220  		}
  6221  		v.reset(OpS390XADDWload)
  6222  		v.Type = t
  6223  		v.AuxInt = off
  6224  		v.Aux = sym
  6225  		v.AddArg(x)
  6226  		v.AddArg(ptr)
  6227  		v.AddArg(mem)
  6228  		return true
  6229  	}
  6230  	// match: (ADDW <t> g:(MOVWZload [off] {sym} ptr mem) x)
  6231  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  6232  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  6233  	for {
  6234  		t := v.Type
  6235  		g := v.Args[0]
  6236  		if g.Op != OpS390XMOVWZload {
  6237  			break
  6238  		}
  6239  		off := g.AuxInt
  6240  		sym := g.Aux
  6241  		ptr := g.Args[0]
  6242  		mem := g.Args[1]
  6243  		x := v.Args[1]
  6244  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  6245  			break
  6246  		}
  6247  		v.reset(OpS390XADDWload)
  6248  		v.Type = t
  6249  		v.AuxInt = off
  6250  		v.Aux = sym
  6251  		v.AddArg(x)
  6252  		v.AddArg(ptr)
  6253  		v.AddArg(mem)
  6254  		return true
  6255  	}
  6256  	// match: (ADDW <t> x g:(MOVWZload [off] {sym} ptr mem))
  6257  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  6258  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  6259  	for {
  6260  		t := v.Type
  6261  		x := v.Args[0]
  6262  		g := v.Args[1]
  6263  		if g.Op != OpS390XMOVWZload {
  6264  			break
  6265  		}
  6266  		off := g.AuxInt
  6267  		sym := g.Aux
  6268  		ptr := g.Args[0]
  6269  		mem := g.Args[1]
  6270  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  6271  			break
  6272  		}
  6273  		v.reset(OpS390XADDWload)
  6274  		v.Type = t
  6275  		v.AuxInt = off
  6276  		v.Aux = sym
  6277  		v.AddArg(x)
  6278  		v.AddArg(ptr)
  6279  		v.AddArg(mem)
  6280  		return true
  6281  	}
  6282  	return false
  6283  }
  6284  func rewriteValueS390X_OpS390XADDWconst(v *Value) bool {
  6285  	// match: (ADDWconst [c] x)
  6286  	// cond: int32(c)==0
  6287  	// result: x
  6288  	for {
  6289  		c := v.AuxInt
  6290  		x := v.Args[0]
  6291  		if !(int32(c) == 0) {
  6292  			break
  6293  		}
  6294  		v.reset(OpCopy)
  6295  		v.Type = x.Type
  6296  		v.AddArg(x)
  6297  		return true
  6298  	}
  6299  	// match: (ADDWconst [c] (MOVDconst [d]))
  6300  	// cond:
  6301  	// result: (MOVDconst [int64(int32(c+d))])
  6302  	for {
  6303  		c := v.AuxInt
  6304  		v_0 := v.Args[0]
  6305  		if v_0.Op != OpS390XMOVDconst {
  6306  			break
  6307  		}
  6308  		d := v_0.AuxInt
  6309  		v.reset(OpS390XMOVDconst)
  6310  		v.AuxInt = int64(int32(c + d))
  6311  		return true
  6312  	}
  6313  	// match: (ADDWconst [c] (ADDWconst [d] x))
  6314  	// cond:
  6315  	// result: (ADDWconst [int64(int32(c+d))] x)
  6316  	for {
  6317  		c := v.AuxInt
  6318  		v_0 := v.Args[0]
  6319  		if v_0.Op != OpS390XADDWconst {
  6320  			break
  6321  		}
  6322  		d := v_0.AuxInt
  6323  		x := v_0.Args[0]
  6324  		v.reset(OpS390XADDWconst)
  6325  		v.AuxInt = int64(int32(c + d))
  6326  		v.AddArg(x)
  6327  		return true
  6328  	}
  6329  	return false
  6330  }
  6331  func rewriteValueS390X_OpS390XADDconst(v *Value) bool {
  6332  	// match: (ADDconst [c] (MOVDaddr [d] {s} x:(SB)))
  6333  	// cond: ((c+d)&1 == 0) && is32Bit(c+d)
  6334  	// result: (MOVDaddr [c+d] {s} x)
  6335  	for {
  6336  		c := v.AuxInt
  6337  		v_0 := v.Args[0]
  6338  		if v_0.Op != OpS390XMOVDaddr {
  6339  			break
  6340  		}
  6341  		d := v_0.AuxInt
  6342  		s := v_0.Aux
  6343  		x := v_0.Args[0]
  6344  		if x.Op != OpSB {
  6345  			break
  6346  		}
  6347  		if !(((c+d)&1 == 0) && is32Bit(c+d)) {
  6348  			break
  6349  		}
  6350  		v.reset(OpS390XMOVDaddr)
  6351  		v.AuxInt = c + d
  6352  		v.Aux = s
  6353  		v.AddArg(x)
  6354  		return true
  6355  	}
  6356  	// match: (ADDconst [c] (MOVDaddr [d] {s} x))
  6357  	// cond: x.Op != OpSB && is20Bit(c+d)
  6358  	// result: (MOVDaddr [c+d] {s} x)
  6359  	for {
  6360  		c := v.AuxInt
  6361  		v_0 := v.Args[0]
  6362  		if v_0.Op != OpS390XMOVDaddr {
  6363  			break
  6364  		}
  6365  		d := v_0.AuxInt
  6366  		s := v_0.Aux
  6367  		x := v_0.Args[0]
  6368  		if !(x.Op != OpSB && is20Bit(c+d)) {
  6369  			break
  6370  		}
  6371  		v.reset(OpS390XMOVDaddr)
  6372  		v.AuxInt = c + d
  6373  		v.Aux = s
  6374  		v.AddArg(x)
  6375  		return true
  6376  	}
  6377  	// match: (ADDconst [c] (MOVDaddridx [d] {s} x y))
  6378  	// cond: is20Bit(c+d)
  6379  	// result: (MOVDaddridx [c+d] {s} x y)
  6380  	for {
  6381  		c := v.AuxInt
  6382  		v_0 := v.Args[0]
  6383  		if v_0.Op != OpS390XMOVDaddridx {
  6384  			break
  6385  		}
  6386  		d := v_0.AuxInt
  6387  		s := v_0.Aux
  6388  		x := v_0.Args[0]
  6389  		y := v_0.Args[1]
  6390  		if !(is20Bit(c + d)) {
  6391  			break
  6392  		}
  6393  		v.reset(OpS390XMOVDaddridx)
  6394  		v.AuxInt = c + d
  6395  		v.Aux = s
  6396  		v.AddArg(x)
  6397  		v.AddArg(y)
  6398  		return true
  6399  	}
  6400  	// match: (ADDconst [0] x)
  6401  	// cond:
  6402  	// result: x
  6403  	for {
  6404  		if v.AuxInt != 0 {
  6405  			break
  6406  		}
  6407  		x := v.Args[0]
  6408  		v.reset(OpCopy)
  6409  		v.Type = x.Type
  6410  		v.AddArg(x)
  6411  		return true
  6412  	}
  6413  	// match: (ADDconst [c] (MOVDconst [d]))
  6414  	// cond:
  6415  	// result: (MOVDconst [c+d])
  6416  	for {
  6417  		c := v.AuxInt
  6418  		v_0 := v.Args[0]
  6419  		if v_0.Op != OpS390XMOVDconst {
  6420  			break
  6421  		}
  6422  		d := v_0.AuxInt
  6423  		v.reset(OpS390XMOVDconst)
  6424  		v.AuxInt = c + d
  6425  		return true
  6426  	}
  6427  	// match: (ADDconst [c] (ADDconst [d] x))
  6428  	// cond: is32Bit(c+d)
  6429  	// result: (ADDconst [c+d] x)
  6430  	for {
  6431  		c := v.AuxInt
  6432  		v_0 := v.Args[0]
  6433  		if v_0.Op != OpS390XADDconst {
  6434  			break
  6435  		}
  6436  		d := v_0.AuxInt
  6437  		x := v_0.Args[0]
  6438  		if !(is32Bit(c + d)) {
  6439  			break
  6440  		}
  6441  		v.reset(OpS390XADDconst)
  6442  		v.AuxInt = c + d
  6443  		v.AddArg(x)
  6444  		return true
  6445  	}
  6446  	return false
  6447  }
  6448  func rewriteValueS390X_OpS390XAND(v *Value) bool {
  6449  	// match: (AND x (MOVDconst [c]))
  6450  	// cond: is32Bit(c) && c < 0
  6451  	// result: (ANDconst [c] x)
  6452  	for {
  6453  		x := v.Args[0]
  6454  		v_1 := v.Args[1]
  6455  		if v_1.Op != OpS390XMOVDconst {
  6456  			break
  6457  		}
  6458  		c := v_1.AuxInt
  6459  		if !(is32Bit(c) && c < 0) {
  6460  			break
  6461  		}
  6462  		v.reset(OpS390XANDconst)
  6463  		v.AuxInt = c
  6464  		v.AddArg(x)
  6465  		return true
  6466  	}
  6467  	// match: (AND (MOVDconst [c]) x)
  6468  	// cond: is32Bit(c) && c < 0
  6469  	// result: (ANDconst [c] x)
  6470  	for {
  6471  		v_0 := v.Args[0]
  6472  		if v_0.Op != OpS390XMOVDconst {
  6473  			break
  6474  		}
  6475  		c := v_0.AuxInt
  6476  		x := v.Args[1]
  6477  		if !(is32Bit(c) && c < 0) {
  6478  			break
  6479  		}
  6480  		v.reset(OpS390XANDconst)
  6481  		v.AuxInt = c
  6482  		v.AddArg(x)
  6483  		return true
  6484  	}
  6485  	// match: (AND x (MOVDconst [0xFF]))
  6486  	// cond:
  6487  	// result: (MOVBZreg x)
  6488  	for {
  6489  		x := v.Args[0]
  6490  		v_1 := v.Args[1]
  6491  		if v_1.Op != OpS390XMOVDconst {
  6492  			break
  6493  		}
  6494  		if v_1.AuxInt != 0xFF {
  6495  			break
  6496  		}
  6497  		v.reset(OpS390XMOVBZreg)
  6498  		v.AddArg(x)
  6499  		return true
  6500  	}
  6501  	// match: (AND (MOVDconst [0xFF]) x)
  6502  	// cond:
  6503  	// result: (MOVBZreg x)
  6504  	for {
  6505  		v_0 := v.Args[0]
  6506  		if v_0.Op != OpS390XMOVDconst {
  6507  			break
  6508  		}
  6509  		if v_0.AuxInt != 0xFF {
  6510  			break
  6511  		}
  6512  		x := v.Args[1]
  6513  		v.reset(OpS390XMOVBZreg)
  6514  		v.AddArg(x)
  6515  		return true
  6516  	}
  6517  	// match: (AND x (MOVDconst [0xFFFF]))
  6518  	// cond:
  6519  	// result: (MOVHZreg x)
  6520  	for {
  6521  		x := v.Args[0]
  6522  		v_1 := v.Args[1]
  6523  		if v_1.Op != OpS390XMOVDconst {
  6524  			break
  6525  		}
  6526  		if v_1.AuxInt != 0xFFFF {
  6527  			break
  6528  		}
  6529  		v.reset(OpS390XMOVHZreg)
  6530  		v.AddArg(x)
  6531  		return true
  6532  	}
  6533  	// match: (AND (MOVDconst [0xFFFF]) x)
  6534  	// cond:
  6535  	// result: (MOVHZreg x)
  6536  	for {
  6537  		v_0 := v.Args[0]
  6538  		if v_0.Op != OpS390XMOVDconst {
  6539  			break
  6540  		}
  6541  		if v_0.AuxInt != 0xFFFF {
  6542  			break
  6543  		}
  6544  		x := v.Args[1]
  6545  		v.reset(OpS390XMOVHZreg)
  6546  		v.AddArg(x)
  6547  		return true
  6548  	}
  6549  	// match: (AND x (MOVDconst [0xFFFFFFFF]))
  6550  	// cond:
  6551  	// result: (MOVWZreg x)
  6552  	for {
  6553  		x := v.Args[0]
  6554  		v_1 := v.Args[1]
  6555  		if v_1.Op != OpS390XMOVDconst {
  6556  			break
  6557  		}
  6558  		if v_1.AuxInt != 0xFFFFFFFF {
  6559  			break
  6560  		}
  6561  		v.reset(OpS390XMOVWZreg)
  6562  		v.AddArg(x)
  6563  		return true
  6564  	}
  6565  	// match: (AND (MOVDconst [0xFFFFFFFF]) x)
  6566  	// cond:
  6567  	// result: (MOVWZreg x)
  6568  	for {
  6569  		v_0 := v.Args[0]
  6570  		if v_0.Op != OpS390XMOVDconst {
  6571  			break
  6572  		}
  6573  		if v_0.AuxInt != 0xFFFFFFFF {
  6574  			break
  6575  		}
  6576  		x := v.Args[1]
  6577  		v.reset(OpS390XMOVWZreg)
  6578  		v.AddArg(x)
  6579  		return true
  6580  	}
  6581  	// match: (AND (MOVDconst [c]) (MOVDconst [d]))
  6582  	// cond:
  6583  	// result: (MOVDconst [c&d])
  6584  	for {
  6585  		v_0 := v.Args[0]
  6586  		if v_0.Op != OpS390XMOVDconst {
  6587  			break
  6588  		}
  6589  		c := v_0.AuxInt
  6590  		v_1 := v.Args[1]
  6591  		if v_1.Op != OpS390XMOVDconst {
  6592  			break
  6593  		}
  6594  		d := v_1.AuxInt
  6595  		v.reset(OpS390XMOVDconst)
  6596  		v.AuxInt = c & d
  6597  		return true
  6598  	}
  6599  	// match: (AND (MOVDconst [d]) (MOVDconst [c]))
  6600  	// cond:
  6601  	// result: (MOVDconst [c&d])
  6602  	for {
  6603  		v_0 := v.Args[0]
  6604  		if v_0.Op != OpS390XMOVDconst {
  6605  			break
  6606  		}
  6607  		d := v_0.AuxInt
  6608  		v_1 := v.Args[1]
  6609  		if v_1.Op != OpS390XMOVDconst {
  6610  			break
  6611  		}
  6612  		c := v_1.AuxInt
  6613  		v.reset(OpS390XMOVDconst)
  6614  		v.AuxInt = c & d
  6615  		return true
  6616  	}
  6617  	// match: (AND x x)
  6618  	// cond:
  6619  	// result: x
  6620  	for {
  6621  		x := v.Args[0]
  6622  		if x != v.Args[1] {
  6623  			break
  6624  		}
  6625  		v.reset(OpCopy)
  6626  		v.Type = x.Type
  6627  		v.AddArg(x)
  6628  		return true
  6629  	}
  6630  	// match: (AND <t> x g:(MOVDload [off] {sym} ptr mem))
  6631  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  6632  	// result: (ANDload <t> [off] {sym} x ptr mem)
  6633  	for {
  6634  		t := v.Type
  6635  		x := v.Args[0]
  6636  		g := v.Args[1]
  6637  		if g.Op != OpS390XMOVDload {
  6638  			break
  6639  		}
  6640  		off := g.AuxInt
  6641  		sym := g.Aux
  6642  		ptr := g.Args[0]
  6643  		mem := g.Args[1]
  6644  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  6645  			break
  6646  		}
  6647  		v.reset(OpS390XANDload)
  6648  		v.Type = t
  6649  		v.AuxInt = off
  6650  		v.Aux = sym
  6651  		v.AddArg(x)
  6652  		v.AddArg(ptr)
  6653  		v.AddArg(mem)
  6654  		return true
  6655  	}
  6656  	// match: (AND <t> g:(MOVDload [off] {sym} ptr mem) x)
  6657  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  6658  	// result: (ANDload <t> [off] {sym} x ptr mem)
  6659  	for {
  6660  		t := v.Type
  6661  		g := v.Args[0]
  6662  		if g.Op != OpS390XMOVDload {
  6663  			break
  6664  		}
  6665  		off := g.AuxInt
  6666  		sym := g.Aux
  6667  		ptr := g.Args[0]
  6668  		mem := g.Args[1]
  6669  		x := v.Args[1]
  6670  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  6671  			break
  6672  		}
  6673  		v.reset(OpS390XANDload)
  6674  		v.Type = t
  6675  		v.AuxInt = off
  6676  		v.Aux = sym
  6677  		v.AddArg(x)
  6678  		v.AddArg(ptr)
  6679  		v.AddArg(mem)
  6680  		return true
  6681  	}
  6682  	// match: (AND <t> g:(MOVDload [off] {sym} ptr mem) x)
  6683  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  6684  	// result: (ANDload <t> [off] {sym} x ptr mem)
  6685  	for {
  6686  		t := v.Type
  6687  		g := v.Args[0]
  6688  		if g.Op != OpS390XMOVDload {
  6689  			break
  6690  		}
  6691  		off := g.AuxInt
  6692  		sym := g.Aux
  6693  		ptr := g.Args[0]
  6694  		mem := g.Args[1]
  6695  		x := v.Args[1]
  6696  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  6697  			break
  6698  		}
  6699  		v.reset(OpS390XANDload)
  6700  		v.Type = t
  6701  		v.AuxInt = off
  6702  		v.Aux = sym
  6703  		v.AddArg(x)
  6704  		v.AddArg(ptr)
  6705  		v.AddArg(mem)
  6706  		return true
  6707  	}
  6708  	// match: (AND <t> x g:(MOVDload [off] {sym} ptr mem))
  6709  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  6710  	// result: (ANDload <t> [off] {sym} x ptr mem)
  6711  	for {
  6712  		t := v.Type
  6713  		x := v.Args[0]
  6714  		g := v.Args[1]
  6715  		if g.Op != OpS390XMOVDload {
  6716  			break
  6717  		}
  6718  		off := g.AuxInt
  6719  		sym := g.Aux
  6720  		ptr := g.Args[0]
  6721  		mem := g.Args[1]
  6722  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  6723  			break
  6724  		}
  6725  		v.reset(OpS390XANDload)
  6726  		v.Type = t
  6727  		v.AuxInt = off
  6728  		v.Aux = sym
  6729  		v.AddArg(x)
  6730  		v.AddArg(ptr)
  6731  		v.AddArg(mem)
  6732  		return true
  6733  	}
  6734  	return false
  6735  }
  6736  func rewriteValueS390X_OpS390XANDW(v *Value) bool {
  6737  	// match: (ANDW x (MOVDconst [c]))
  6738  	// cond:
  6739  	// result: (ANDWconst [c] x)
  6740  	for {
  6741  		x := v.Args[0]
  6742  		v_1 := v.Args[1]
  6743  		if v_1.Op != OpS390XMOVDconst {
  6744  			break
  6745  		}
  6746  		c := v_1.AuxInt
  6747  		v.reset(OpS390XANDWconst)
  6748  		v.AuxInt = c
  6749  		v.AddArg(x)
  6750  		return true
  6751  	}
  6752  	// match: (ANDW (MOVDconst [c]) x)
  6753  	// cond:
  6754  	// result: (ANDWconst [c] x)
  6755  	for {
  6756  		v_0 := v.Args[0]
  6757  		if v_0.Op != OpS390XMOVDconst {
  6758  			break
  6759  		}
  6760  		c := v_0.AuxInt
  6761  		x := v.Args[1]
  6762  		v.reset(OpS390XANDWconst)
  6763  		v.AuxInt = c
  6764  		v.AddArg(x)
  6765  		return true
  6766  	}
  6767  	// match: (ANDW x x)
  6768  	// cond:
  6769  	// result: x
  6770  	for {
  6771  		x := v.Args[0]
  6772  		if x != v.Args[1] {
  6773  			break
  6774  		}
  6775  		v.reset(OpCopy)
  6776  		v.Type = x.Type
  6777  		v.AddArg(x)
  6778  		return true
  6779  	}
  6780  	// match: (ANDW <t> x g:(MOVWload [off] {sym} ptr mem))
  6781  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  6782  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6783  	for {
  6784  		t := v.Type
  6785  		x := v.Args[0]
  6786  		g := v.Args[1]
  6787  		if g.Op != OpS390XMOVWload {
  6788  			break
  6789  		}
  6790  		off := g.AuxInt
  6791  		sym := g.Aux
  6792  		ptr := g.Args[0]
  6793  		mem := g.Args[1]
  6794  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  6795  			break
  6796  		}
  6797  		v.reset(OpS390XANDWload)
  6798  		v.Type = t
  6799  		v.AuxInt = off
  6800  		v.Aux = sym
  6801  		v.AddArg(x)
  6802  		v.AddArg(ptr)
  6803  		v.AddArg(mem)
  6804  		return true
  6805  	}
  6806  	// match: (ANDW <t> g:(MOVWload [off] {sym} ptr mem) x)
  6807  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  6808  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6809  	for {
  6810  		t := v.Type
  6811  		g := v.Args[0]
  6812  		if g.Op != OpS390XMOVWload {
  6813  			break
  6814  		}
  6815  		off := g.AuxInt
  6816  		sym := g.Aux
  6817  		ptr := g.Args[0]
  6818  		mem := g.Args[1]
  6819  		x := v.Args[1]
  6820  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  6821  			break
  6822  		}
  6823  		v.reset(OpS390XANDWload)
  6824  		v.Type = t
  6825  		v.AuxInt = off
  6826  		v.Aux = sym
  6827  		v.AddArg(x)
  6828  		v.AddArg(ptr)
  6829  		v.AddArg(mem)
  6830  		return true
  6831  	}
  6832  	// match: (ANDW <t> g:(MOVWload [off] {sym} ptr mem) x)
  6833  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  6834  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6835  	for {
  6836  		t := v.Type
  6837  		g := v.Args[0]
  6838  		if g.Op != OpS390XMOVWload {
  6839  			break
  6840  		}
  6841  		off := g.AuxInt
  6842  		sym := g.Aux
  6843  		ptr := g.Args[0]
  6844  		mem := g.Args[1]
  6845  		x := v.Args[1]
  6846  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  6847  			break
  6848  		}
  6849  		v.reset(OpS390XANDWload)
  6850  		v.Type = t
  6851  		v.AuxInt = off
  6852  		v.Aux = sym
  6853  		v.AddArg(x)
  6854  		v.AddArg(ptr)
  6855  		v.AddArg(mem)
  6856  		return true
  6857  	}
  6858  	// match: (ANDW <t> x g:(MOVWload [off] {sym} ptr mem))
  6859  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  6860  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6861  	for {
  6862  		t := v.Type
  6863  		x := v.Args[0]
  6864  		g := v.Args[1]
  6865  		if g.Op != OpS390XMOVWload {
  6866  			break
  6867  		}
  6868  		off := g.AuxInt
  6869  		sym := g.Aux
  6870  		ptr := g.Args[0]
  6871  		mem := g.Args[1]
  6872  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  6873  			break
  6874  		}
  6875  		v.reset(OpS390XANDWload)
  6876  		v.Type = t
  6877  		v.AuxInt = off
  6878  		v.Aux = sym
  6879  		v.AddArg(x)
  6880  		v.AddArg(ptr)
  6881  		v.AddArg(mem)
  6882  		return true
  6883  	}
  6884  	// match: (ANDW <t> x g:(MOVWZload [off] {sym} ptr mem))
  6885  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  6886  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6887  	for {
  6888  		t := v.Type
  6889  		x := v.Args[0]
  6890  		g := v.Args[1]
  6891  		if g.Op != OpS390XMOVWZload {
  6892  			break
  6893  		}
  6894  		off := g.AuxInt
  6895  		sym := g.Aux
  6896  		ptr := g.Args[0]
  6897  		mem := g.Args[1]
  6898  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  6899  			break
  6900  		}
  6901  		v.reset(OpS390XANDWload)
  6902  		v.Type = t
  6903  		v.AuxInt = off
  6904  		v.Aux = sym
  6905  		v.AddArg(x)
  6906  		v.AddArg(ptr)
  6907  		v.AddArg(mem)
  6908  		return true
  6909  	}
  6910  	// match: (ANDW <t> g:(MOVWZload [off] {sym} ptr mem) x)
  6911  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  6912  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6913  	for {
  6914  		t := v.Type
  6915  		g := v.Args[0]
  6916  		if g.Op != OpS390XMOVWZload {
  6917  			break
  6918  		}
  6919  		off := g.AuxInt
  6920  		sym := g.Aux
  6921  		ptr := g.Args[0]
  6922  		mem := g.Args[1]
  6923  		x := v.Args[1]
  6924  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  6925  			break
  6926  		}
  6927  		v.reset(OpS390XANDWload)
  6928  		v.Type = t
  6929  		v.AuxInt = off
  6930  		v.Aux = sym
  6931  		v.AddArg(x)
  6932  		v.AddArg(ptr)
  6933  		v.AddArg(mem)
  6934  		return true
  6935  	}
  6936  	// match: (ANDW <t> g:(MOVWZload [off] {sym} ptr mem) x)
  6937  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  6938  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6939  	for {
  6940  		t := v.Type
  6941  		g := v.Args[0]
  6942  		if g.Op != OpS390XMOVWZload {
  6943  			break
  6944  		}
  6945  		off := g.AuxInt
  6946  		sym := g.Aux
  6947  		ptr := g.Args[0]
  6948  		mem := g.Args[1]
  6949  		x := v.Args[1]
  6950  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  6951  			break
  6952  		}
  6953  		v.reset(OpS390XANDWload)
  6954  		v.Type = t
  6955  		v.AuxInt = off
  6956  		v.Aux = sym
  6957  		v.AddArg(x)
  6958  		v.AddArg(ptr)
  6959  		v.AddArg(mem)
  6960  		return true
  6961  	}
  6962  	// match: (ANDW <t> x g:(MOVWZload [off] {sym} ptr mem))
  6963  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
  6964  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6965  	for {
  6966  		t := v.Type
  6967  		x := v.Args[0]
  6968  		g := v.Args[1]
  6969  		if g.Op != OpS390XMOVWZload {
  6970  			break
  6971  		}
  6972  		off := g.AuxInt
  6973  		sym := g.Aux
  6974  		ptr := g.Args[0]
  6975  		mem := g.Args[1]
  6976  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
  6977  			break
  6978  		}
  6979  		v.reset(OpS390XANDWload)
  6980  		v.Type = t
  6981  		v.AuxInt = off
  6982  		v.Aux = sym
  6983  		v.AddArg(x)
  6984  		v.AddArg(ptr)
  6985  		v.AddArg(mem)
  6986  		return true
  6987  	}
  6988  	return false
  6989  }
  6990  func rewriteValueS390X_OpS390XANDWconst(v *Value) bool {
  6991  	// match: (ANDWconst [c] (ANDWconst [d] x))
  6992  	// cond:
  6993  	// result: (ANDWconst [c & d] x)
  6994  	for {
  6995  		c := v.AuxInt
  6996  		v_0 := v.Args[0]
  6997  		if v_0.Op != OpS390XANDWconst {
  6998  			break
  6999  		}
  7000  		d := v_0.AuxInt
  7001  		x := v_0.Args[0]
  7002  		v.reset(OpS390XANDWconst)
  7003  		v.AuxInt = c & d
  7004  		v.AddArg(x)
  7005  		return true
  7006  	}
  7007  	// match: (ANDWconst [0xFF] x)
  7008  	// cond:
  7009  	// result: (MOVBZreg x)
  7010  	for {
  7011  		if v.AuxInt != 0xFF {
  7012  			break
  7013  		}
  7014  		x := v.Args[0]
  7015  		v.reset(OpS390XMOVBZreg)
  7016  		v.AddArg(x)
  7017  		return true
  7018  	}
  7019  	// match: (ANDWconst [0xFFFF] x)
  7020  	// cond:
  7021  	// result: (MOVHZreg x)
  7022  	for {
  7023  		if v.AuxInt != 0xFFFF {
  7024  			break
  7025  		}
  7026  		x := v.Args[0]
  7027  		v.reset(OpS390XMOVHZreg)
  7028  		v.AddArg(x)
  7029  		return true
  7030  	}
  7031  	// match: (ANDWconst [c] _)
  7032  	// cond: int32(c)==0
  7033  	// result: (MOVDconst [0])
  7034  	for {
  7035  		c := v.AuxInt
  7036  		if !(int32(c) == 0) {
  7037  			break
  7038  		}
  7039  		v.reset(OpS390XMOVDconst)
  7040  		v.AuxInt = 0
  7041  		return true
  7042  	}
  7043  	// match: (ANDWconst [c] x)
  7044  	// cond: int32(c)==-1
  7045  	// result: x
  7046  	for {
  7047  		c := v.AuxInt
  7048  		x := v.Args[0]
  7049  		if !(int32(c) == -1) {
  7050  			break
  7051  		}
  7052  		v.reset(OpCopy)
  7053  		v.Type = x.Type
  7054  		v.AddArg(x)
  7055  		return true
  7056  	}
  7057  	// match: (ANDWconst [c] (MOVDconst [d]))
  7058  	// cond:
  7059  	// result: (MOVDconst [c&d])
  7060  	for {
  7061  		c := v.AuxInt
  7062  		v_0 := v.Args[0]
  7063  		if v_0.Op != OpS390XMOVDconst {
  7064  			break
  7065  		}
  7066  		d := v_0.AuxInt
  7067  		v.reset(OpS390XMOVDconst)
  7068  		v.AuxInt = c & d
  7069  		return true
  7070  	}
  7071  	return false
  7072  }
  7073  func rewriteValueS390X_OpS390XANDconst(v *Value) bool {
  7074  	// match: (ANDconst [c] (ANDconst [d] x))
  7075  	// cond:
  7076  	// result: (ANDconst [c & d] x)
  7077  	for {
  7078  		c := v.AuxInt
  7079  		v_0 := v.Args[0]
  7080  		if v_0.Op != OpS390XANDconst {
  7081  			break
  7082  		}
  7083  		d := v_0.AuxInt
  7084  		x := v_0.Args[0]
  7085  		v.reset(OpS390XANDconst)
  7086  		v.AuxInt = c & d
  7087  		v.AddArg(x)
  7088  		return true
  7089  	}
  7090  	// match: (ANDconst [0] _)
  7091  	// cond:
  7092  	// result: (MOVDconst [0])
  7093  	for {
  7094  		if v.AuxInt != 0 {
  7095  			break
  7096  		}
  7097  		v.reset(OpS390XMOVDconst)
  7098  		v.AuxInt = 0
  7099  		return true
  7100  	}
  7101  	// match: (ANDconst [-1] x)
  7102  	// cond:
  7103  	// result: x
  7104  	for {
  7105  		if v.AuxInt != -1 {
  7106  			break
  7107  		}
  7108  		x := v.Args[0]
  7109  		v.reset(OpCopy)
  7110  		v.Type = x.Type
  7111  		v.AddArg(x)
  7112  		return true
  7113  	}
  7114  	// match: (ANDconst [c] (MOVDconst [d]))
  7115  	// cond:
  7116  	// result: (MOVDconst [c&d])
  7117  	for {
  7118  		c := v.AuxInt
  7119  		v_0 := v.Args[0]
  7120  		if v_0.Op != OpS390XMOVDconst {
  7121  			break
  7122  		}
  7123  		d := v_0.AuxInt
  7124  		v.reset(OpS390XMOVDconst)
  7125  		v.AuxInt = c & d
  7126  		return true
  7127  	}
  7128  	return false
  7129  }
  7130  func rewriteValueS390X_OpS390XCMP(v *Value) bool {
  7131  	b := v.Block
  7132  	_ = b
  7133  	// match: (CMP x (MOVDconst [c]))
  7134  	// cond: is32Bit(c)
  7135  	// result: (CMPconst x [c])
  7136  	for {
  7137  		x := v.Args[0]
  7138  		v_1 := v.Args[1]
  7139  		if v_1.Op != OpS390XMOVDconst {
  7140  			break
  7141  		}
  7142  		c := v_1.AuxInt
  7143  		if !(is32Bit(c)) {
  7144  			break
  7145  		}
  7146  		v.reset(OpS390XCMPconst)
  7147  		v.AuxInt = c
  7148  		v.AddArg(x)
  7149  		return true
  7150  	}
  7151  	// match: (CMP (MOVDconst [c]) x)
  7152  	// cond: is32Bit(c)
  7153  	// result: (InvertFlags (CMPconst x [c]))
  7154  	for {
  7155  		v_0 := v.Args[0]
  7156  		if v_0.Op != OpS390XMOVDconst {
  7157  			break
  7158  		}
  7159  		c := v_0.AuxInt
  7160  		x := v.Args[1]
  7161  		if !(is32Bit(c)) {
  7162  			break
  7163  		}
  7164  		v.reset(OpS390XInvertFlags)
  7165  		v0 := b.NewValue0(v.Pos, OpS390XCMPconst, TypeFlags)
  7166  		v0.AuxInt = c
  7167  		v0.AddArg(x)
  7168  		v.AddArg(v0)
  7169  		return true
  7170  	}
  7171  	return false
  7172  }
  7173  func rewriteValueS390X_OpS390XCMPU(v *Value) bool {
  7174  	b := v.Block
  7175  	_ = b
  7176  	// match: (CMPU x (MOVDconst [c]))
  7177  	// cond: isU32Bit(c)
  7178  	// result: (CMPUconst x [int64(uint32(c))])
  7179  	for {
  7180  		x := v.Args[0]
  7181  		v_1 := v.Args[1]
  7182  		if v_1.Op != OpS390XMOVDconst {
  7183  			break
  7184  		}
  7185  		c := v_1.AuxInt
  7186  		if !(isU32Bit(c)) {
  7187  			break
  7188  		}
  7189  		v.reset(OpS390XCMPUconst)
  7190  		v.AuxInt = int64(uint32(c))
  7191  		v.AddArg(x)
  7192  		return true
  7193  	}
  7194  	// match: (CMPU (MOVDconst [c]) x)
  7195  	// cond: isU32Bit(c)
  7196  	// result: (InvertFlags (CMPUconst x [int64(uint32(c))]))
  7197  	for {
  7198  		v_0 := v.Args[0]
  7199  		if v_0.Op != OpS390XMOVDconst {
  7200  			break
  7201  		}
  7202  		c := v_0.AuxInt
  7203  		x := v.Args[1]
  7204  		if !(isU32Bit(c)) {
  7205  			break
  7206  		}
  7207  		v.reset(OpS390XInvertFlags)
  7208  		v0 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  7209  		v0.AuxInt = int64(uint32(c))
  7210  		v0.AddArg(x)
  7211  		v.AddArg(v0)
  7212  		return true
  7213  	}
  7214  	return false
  7215  }
  7216  func rewriteValueS390X_OpS390XCMPUconst(v *Value) bool {
  7217  	// match: (CMPUconst (MOVDconst [x]) [y])
  7218  	// cond: uint64(x)==uint64(y)
  7219  	// result: (FlagEQ)
  7220  	for {
  7221  		y := v.AuxInt
  7222  		v_0 := v.Args[0]
  7223  		if v_0.Op != OpS390XMOVDconst {
  7224  			break
  7225  		}
  7226  		x := v_0.AuxInt
  7227  		if !(uint64(x) == uint64(y)) {
  7228  			break
  7229  		}
  7230  		v.reset(OpS390XFlagEQ)
  7231  		return true
  7232  	}
  7233  	// match: (CMPUconst (MOVDconst [x]) [y])
  7234  	// cond: uint64(x)<uint64(y)
  7235  	// result: (FlagLT)
  7236  	for {
  7237  		y := v.AuxInt
  7238  		v_0 := v.Args[0]
  7239  		if v_0.Op != OpS390XMOVDconst {
  7240  			break
  7241  		}
  7242  		x := v_0.AuxInt
  7243  		if !(uint64(x) < uint64(y)) {
  7244  			break
  7245  		}
  7246  		v.reset(OpS390XFlagLT)
  7247  		return true
  7248  	}
  7249  	// match: (CMPUconst (MOVDconst [x]) [y])
  7250  	// cond: uint64(x)>uint64(y)
  7251  	// result: (FlagGT)
  7252  	for {
  7253  		y := v.AuxInt
  7254  		v_0 := v.Args[0]
  7255  		if v_0.Op != OpS390XMOVDconst {
  7256  			break
  7257  		}
  7258  		x := v_0.AuxInt
  7259  		if !(uint64(x) > uint64(y)) {
  7260  			break
  7261  		}
  7262  		v.reset(OpS390XFlagGT)
  7263  		return true
  7264  	}
  7265  	return false
  7266  }
  7267  func rewriteValueS390X_OpS390XCMPW(v *Value) bool {
  7268  	b := v.Block
  7269  	_ = b
  7270  	// match: (CMPW x (MOVDconst [c]))
  7271  	// cond:
  7272  	// result: (CMPWconst x [c])
  7273  	for {
  7274  		x := v.Args[0]
  7275  		v_1 := v.Args[1]
  7276  		if v_1.Op != OpS390XMOVDconst {
  7277  			break
  7278  		}
  7279  		c := v_1.AuxInt
  7280  		v.reset(OpS390XCMPWconst)
  7281  		v.AuxInt = c
  7282  		v.AddArg(x)
  7283  		return true
  7284  	}
  7285  	// match: (CMPW (MOVDconst [c]) x)
  7286  	// cond:
  7287  	// result: (InvertFlags (CMPWconst x [c]))
  7288  	for {
  7289  		v_0 := v.Args[0]
  7290  		if v_0.Op != OpS390XMOVDconst {
  7291  			break
  7292  		}
  7293  		c := v_0.AuxInt
  7294  		x := v.Args[1]
  7295  		v.reset(OpS390XInvertFlags)
  7296  		v0 := b.NewValue0(v.Pos, OpS390XCMPWconst, TypeFlags)
  7297  		v0.AuxInt = c
  7298  		v0.AddArg(x)
  7299  		v.AddArg(v0)
  7300  		return true
  7301  	}
  7302  	return false
  7303  }
  7304  func rewriteValueS390X_OpS390XCMPWU(v *Value) bool {
  7305  	b := v.Block
  7306  	_ = b
  7307  	// match: (CMPWU x (MOVDconst [c]))
  7308  	// cond:
  7309  	// result: (CMPWUconst x [int64(uint32(c))])
  7310  	for {
  7311  		x := v.Args[0]
  7312  		v_1 := v.Args[1]
  7313  		if v_1.Op != OpS390XMOVDconst {
  7314  			break
  7315  		}
  7316  		c := v_1.AuxInt
  7317  		v.reset(OpS390XCMPWUconst)
  7318  		v.AuxInt = int64(uint32(c))
  7319  		v.AddArg(x)
  7320  		return true
  7321  	}
  7322  	// match: (CMPWU (MOVDconst [c]) x)
  7323  	// cond:
  7324  	// result: (InvertFlags (CMPWUconst x [int64(uint32(c))]))
  7325  	for {
  7326  		v_0 := v.Args[0]
  7327  		if v_0.Op != OpS390XMOVDconst {
  7328  			break
  7329  		}
  7330  		c := v_0.AuxInt
  7331  		x := v.Args[1]
  7332  		v.reset(OpS390XInvertFlags)
  7333  		v0 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  7334  		v0.AuxInt = int64(uint32(c))
  7335  		v0.AddArg(x)
  7336  		v.AddArg(v0)
  7337  		return true
  7338  	}
  7339  	return false
  7340  }
  7341  func rewriteValueS390X_OpS390XCMPWUconst(v *Value) bool {
  7342  	// match: (CMPWUconst (MOVDconst [x]) [y])
  7343  	// cond: uint32(x)==uint32(y)
  7344  	// result: (FlagEQ)
  7345  	for {
  7346  		y := v.AuxInt
  7347  		v_0 := v.Args[0]
  7348  		if v_0.Op != OpS390XMOVDconst {
  7349  			break
  7350  		}
  7351  		x := v_0.AuxInt
  7352  		if !(uint32(x) == uint32(y)) {
  7353  			break
  7354  		}
  7355  		v.reset(OpS390XFlagEQ)
  7356  		return true
  7357  	}
  7358  	// match: (CMPWUconst (MOVDconst [x]) [y])
  7359  	// cond: uint32(x)<uint32(y)
  7360  	// result: (FlagLT)
  7361  	for {
  7362  		y := v.AuxInt
  7363  		v_0 := v.Args[0]
  7364  		if v_0.Op != OpS390XMOVDconst {
  7365  			break
  7366  		}
  7367  		x := v_0.AuxInt
  7368  		if !(uint32(x) < uint32(y)) {
  7369  			break
  7370  		}
  7371  		v.reset(OpS390XFlagLT)
  7372  		return true
  7373  	}
  7374  	// match: (CMPWUconst (MOVDconst [x]) [y])
  7375  	// cond: uint32(x)>uint32(y)
  7376  	// result: (FlagGT)
  7377  	for {
  7378  		y := v.AuxInt
  7379  		v_0 := v.Args[0]
  7380  		if v_0.Op != OpS390XMOVDconst {
  7381  			break
  7382  		}
  7383  		x := v_0.AuxInt
  7384  		if !(uint32(x) > uint32(y)) {
  7385  			break
  7386  		}
  7387  		v.reset(OpS390XFlagGT)
  7388  		return true
  7389  	}
  7390  	return false
  7391  }
  7392  func rewriteValueS390X_OpS390XCMPWconst(v *Value) bool {
  7393  	// match: (CMPWconst (MOVDconst [x]) [y])
  7394  	// cond: int32(x)==int32(y)
  7395  	// result: (FlagEQ)
  7396  	for {
  7397  		y := v.AuxInt
  7398  		v_0 := v.Args[0]
  7399  		if v_0.Op != OpS390XMOVDconst {
  7400  			break
  7401  		}
  7402  		x := v_0.AuxInt
  7403  		if !(int32(x) == int32(y)) {
  7404  			break
  7405  		}
  7406  		v.reset(OpS390XFlagEQ)
  7407  		return true
  7408  	}
  7409  	// match: (CMPWconst (MOVDconst [x]) [y])
  7410  	// cond: int32(x)<int32(y)
  7411  	// result: (FlagLT)
  7412  	for {
  7413  		y := v.AuxInt
  7414  		v_0 := v.Args[0]
  7415  		if v_0.Op != OpS390XMOVDconst {
  7416  			break
  7417  		}
  7418  		x := v_0.AuxInt
  7419  		if !(int32(x) < int32(y)) {
  7420  			break
  7421  		}
  7422  		v.reset(OpS390XFlagLT)
  7423  		return true
  7424  	}
  7425  	// match: (CMPWconst (MOVDconst [x]) [y])
  7426  	// cond: int32(x)>int32(y)
  7427  	// result: (FlagGT)
  7428  	for {
  7429  		y := v.AuxInt
  7430  		v_0 := v.Args[0]
  7431  		if v_0.Op != OpS390XMOVDconst {
  7432  			break
  7433  		}
  7434  		x := v_0.AuxInt
  7435  		if !(int32(x) > int32(y)) {
  7436  			break
  7437  		}
  7438  		v.reset(OpS390XFlagGT)
  7439  		return true
  7440  	}
  7441  	// match: (CMPWconst (SRWconst _ [c]) [n])
  7442  	// cond: 0 <= n && 0 < c && c <= 32 && (1<<uint64(32-c)) <= uint64(n)
  7443  	// result: (FlagLT)
  7444  	for {
  7445  		n := v.AuxInt
  7446  		v_0 := v.Args[0]
  7447  		if v_0.Op != OpS390XSRWconst {
  7448  			break
  7449  		}
  7450  		c := v_0.AuxInt
  7451  		if !(0 <= n && 0 < c && c <= 32 && (1<<uint64(32-c)) <= uint64(n)) {
  7452  			break
  7453  		}
  7454  		v.reset(OpS390XFlagLT)
  7455  		return true
  7456  	}
  7457  	// match: (CMPWconst (ANDWconst _ [m]) [n])
  7458  	// cond: 0 <= int32(m) && int32(m) < int32(n)
  7459  	// result: (FlagLT)
  7460  	for {
  7461  		n := v.AuxInt
  7462  		v_0 := v.Args[0]
  7463  		if v_0.Op != OpS390XANDWconst {
  7464  			break
  7465  		}
  7466  		m := v_0.AuxInt
  7467  		if !(0 <= int32(m) && int32(m) < int32(n)) {
  7468  			break
  7469  		}
  7470  		v.reset(OpS390XFlagLT)
  7471  		return true
  7472  	}
  7473  	return false
  7474  }
  7475  func rewriteValueS390X_OpS390XCMPconst(v *Value) bool {
  7476  	// match: (CMPconst (MOVDconst [x]) [y])
  7477  	// cond: x==y
  7478  	// result: (FlagEQ)
  7479  	for {
  7480  		y := v.AuxInt
  7481  		v_0 := v.Args[0]
  7482  		if v_0.Op != OpS390XMOVDconst {
  7483  			break
  7484  		}
  7485  		x := v_0.AuxInt
  7486  		if !(x == y) {
  7487  			break
  7488  		}
  7489  		v.reset(OpS390XFlagEQ)
  7490  		return true
  7491  	}
  7492  	// match: (CMPconst (MOVDconst [x]) [y])
  7493  	// cond: x<y
  7494  	// result: (FlagLT)
  7495  	for {
  7496  		y := v.AuxInt
  7497  		v_0 := v.Args[0]
  7498  		if v_0.Op != OpS390XMOVDconst {
  7499  			break
  7500  		}
  7501  		x := v_0.AuxInt
  7502  		if !(x < y) {
  7503  			break
  7504  		}
  7505  		v.reset(OpS390XFlagLT)
  7506  		return true
  7507  	}
  7508  	// match: (CMPconst (MOVDconst [x]) [y])
  7509  	// cond: x>y
  7510  	// result: (FlagGT)
  7511  	for {
  7512  		y := v.AuxInt
  7513  		v_0 := v.Args[0]
  7514  		if v_0.Op != OpS390XMOVDconst {
  7515  			break
  7516  		}
  7517  		x := v_0.AuxInt
  7518  		if !(x > y) {
  7519  			break
  7520  		}
  7521  		v.reset(OpS390XFlagGT)
  7522  		return true
  7523  	}
  7524  	// match: (CMPconst (MOVBZreg _) [c])
  7525  	// cond: 0xFF < c
  7526  	// result: (FlagLT)
  7527  	for {
  7528  		c := v.AuxInt
  7529  		v_0 := v.Args[0]
  7530  		if v_0.Op != OpS390XMOVBZreg {
  7531  			break
  7532  		}
  7533  		if !(0xFF < c) {
  7534  			break
  7535  		}
  7536  		v.reset(OpS390XFlagLT)
  7537  		return true
  7538  	}
  7539  	// match: (CMPconst (MOVHZreg _) [c])
  7540  	// cond: 0xFFFF < c
  7541  	// result: (FlagLT)
  7542  	for {
  7543  		c := v.AuxInt
  7544  		v_0 := v.Args[0]
  7545  		if v_0.Op != OpS390XMOVHZreg {
  7546  			break
  7547  		}
  7548  		if !(0xFFFF < c) {
  7549  			break
  7550  		}
  7551  		v.reset(OpS390XFlagLT)
  7552  		return true
  7553  	}
  7554  	// match: (CMPconst (MOVWZreg _) [c])
  7555  	// cond: 0xFFFFFFFF < c
  7556  	// result: (FlagLT)
  7557  	for {
  7558  		c := v.AuxInt
  7559  		v_0 := v.Args[0]
  7560  		if v_0.Op != OpS390XMOVWZreg {
  7561  			break
  7562  		}
  7563  		if !(0xFFFFFFFF < c) {
  7564  			break
  7565  		}
  7566  		v.reset(OpS390XFlagLT)
  7567  		return true
  7568  	}
  7569  	// match: (CMPconst (SRDconst _ [c]) [n])
  7570  	// cond: 0 <= n && 0 < c && c <= 64 && (1<<uint64(64-c)) <= uint64(n)
  7571  	// result: (FlagLT)
  7572  	for {
  7573  		n := v.AuxInt
  7574  		v_0 := v.Args[0]
  7575  		if v_0.Op != OpS390XSRDconst {
  7576  			break
  7577  		}
  7578  		c := v_0.AuxInt
  7579  		if !(0 <= n && 0 < c && c <= 64 && (1<<uint64(64-c)) <= uint64(n)) {
  7580  			break
  7581  		}
  7582  		v.reset(OpS390XFlagLT)
  7583  		return true
  7584  	}
  7585  	// match: (CMPconst (ANDconst _ [m]) [n])
  7586  	// cond: 0 <= m && m < n
  7587  	// result: (FlagLT)
  7588  	for {
  7589  		n := v.AuxInt
  7590  		v_0 := v.Args[0]
  7591  		if v_0.Op != OpS390XANDconst {
  7592  			break
  7593  		}
  7594  		m := v_0.AuxInt
  7595  		if !(0 <= m && m < n) {
  7596  			break
  7597  		}
  7598  		v.reset(OpS390XFlagLT)
  7599  		return true
  7600  	}
  7601  	return false
  7602  }
  7603  func rewriteValueS390X_OpS390XFADD(v *Value) bool {
  7604  	// match: (FADD (FMUL y z) x)
  7605  	// cond:
  7606  	// result: (FMADD x y z)
  7607  	for {
  7608  		v_0 := v.Args[0]
  7609  		if v_0.Op != OpS390XFMUL {
  7610  			break
  7611  		}
  7612  		y := v_0.Args[0]
  7613  		z := v_0.Args[1]
  7614  		x := v.Args[1]
  7615  		v.reset(OpS390XFMADD)
  7616  		v.AddArg(x)
  7617  		v.AddArg(y)
  7618  		v.AddArg(z)
  7619  		return true
  7620  	}
  7621  	// match: (FADD x (FMUL y z))
  7622  	// cond:
  7623  	// result: (FMADD x y z)
  7624  	for {
  7625  		x := v.Args[0]
  7626  		v_1 := v.Args[1]
  7627  		if v_1.Op != OpS390XFMUL {
  7628  			break
  7629  		}
  7630  		y := v_1.Args[0]
  7631  		z := v_1.Args[1]
  7632  		v.reset(OpS390XFMADD)
  7633  		v.AddArg(x)
  7634  		v.AddArg(y)
  7635  		v.AddArg(z)
  7636  		return true
  7637  	}
  7638  	return false
  7639  }
  7640  func rewriteValueS390X_OpS390XFADDS(v *Value) bool {
  7641  	// match: (FADDS (FMULS y z) x)
  7642  	// cond:
  7643  	// result: (FMADDS x y z)
  7644  	for {
  7645  		v_0 := v.Args[0]
  7646  		if v_0.Op != OpS390XFMULS {
  7647  			break
  7648  		}
  7649  		y := v_0.Args[0]
  7650  		z := v_0.Args[1]
  7651  		x := v.Args[1]
  7652  		v.reset(OpS390XFMADDS)
  7653  		v.AddArg(x)
  7654  		v.AddArg(y)
  7655  		v.AddArg(z)
  7656  		return true
  7657  	}
  7658  	// match: (FADDS x (FMULS y z))
  7659  	// cond:
  7660  	// result: (FMADDS x y z)
  7661  	for {
  7662  		x := v.Args[0]
  7663  		v_1 := v.Args[1]
  7664  		if v_1.Op != OpS390XFMULS {
  7665  			break
  7666  		}
  7667  		y := v_1.Args[0]
  7668  		z := v_1.Args[1]
  7669  		v.reset(OpS390XFMADDS)
  7670  		v.AddArg(x)
  7671  		v.AddArg(y)
  7672  		v.AddArg(z)
  7673  		return true
  7674  	}
  7675  	return false
  7676  }
  7677  func rewriteValueS390X_OpS390XFMOVDload(v *Value) bool {
  7678  	// match: (FMOVDload [off1] {sym} (ADDconst [off2] ptr) mem)
  7679  	// cond: is20Bit(off1+off2)
  7680  	// result: (FMOVDload [off1+off2] {sym} ptr mem)
  7681  	for {
  7682  		off1 := v.AuxInt
  7683  		sym := v.Aux
  7684  		v_0 := v.Args[0]
  7685  		if v_0.Op != OpS390XADDconst {
  7686  			break
  7687  		}
  7688  		off2 := v_0.AuxInt
  7689  		ptr := v_0.Args[0]
  7690  		mem := v.Args[1]
  7691  		if !(is20Bit(off1 + off2)) {
  7692  			break
  7693  		}
  7694  		v.reset(OpS390XFMOVDload)
  7695  		v.AuxInt = off1 + off2
  7696  		v.Aux = sym
  7697  		v.AddArg(ptr)
  7698  		v.AddArg(mem)
  7699  		return true
  7700  	}
  7701  	// match: (FMOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  7702  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7703  	// result: (FMOVDload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  7704  	for {
  7705  		off1 := v.AuxInt
  7706  		sym1 := v.Aux
  7707  		v_0 := v.Args[0]
  7708  		if v_0.Op != OpS390XMOVDaddr {
  7709  			break
  7710  		}
  7711  		off2 := v_0.AuxInt
  7712  		sym2 := v_0.Aux
  7713  		base := v_0.Args[0]
  7714  		mem := v.Args[1]
  7715  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7716  			break
  7717  		}
  7718  		v.reset(OpS390XFMOVDload)
  7719  		v.AuxInt = off1 + off2
  7720  		v.Aux = mergeSym(sym1, sym2)
  7721  		v.AddArg(base)
  7722  		v.AddArg(mem)
  7723  		return true
  7724  	}
  7725  	// match: (FMOVDload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
  7726  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7727  	// result: (FMOVDloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
  7728  	for {
  7729  		off1 := v.AuxInt
  7730  		sym1 := v.Aux
  7731  		v_0 := v.Args[0]
  7732  		if v_0.Op != OpS390XMOVDaddridx {
  7733  			break
  7734  		}
  7735  		off2 := v_0.AuxInt
  7736  		sym2 := v_0.Aux
  7737  		ptr := v_0.Args[0]
  7738  		idx := v_0.Args[1]
  7739  		mem := v.Args[1]
  7740  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7741  			break
  7742  		}
  7743  		v.reset(OpS390XFMOVDloadidx)
  7744  		v.AuxInt = off1 + off2
  7745  		v.Aux = mergeSym(sym1, sym2)
  7746  		v.AddArg(ptr)
  7747  		v.AddArg(idx)
  7748  		v.AddArg(mem)
  7749  		return true
  7750  	}
  7751  	// match: (FMOVDload [off] {sym} (ADD ptr idx) mem)
  7752  	// cond: ptr.Op != OpSB
  7753  	// result: (FMOVDloadidx [off] {sym} ptr idx mem)
  7754  	for {
  7755  		off := v.AuxInt
  7756  		sym := v.Aux
  7757  		v_0 := v.Args[0]
  7758  		if v_0.Op != OpS390XADD {
  7759  			break
  7760  		}
  7761  		ptr := v_0.Args[0]
  7762  		idx := v_0.Args[1]
  7763  		mem := v.Args[1]
  7764  		if !(ptr.Op != OpSB) {
  7765  			break
  7766  		}
  7767  		v.reset(OpS390XFMOVDloadidx)
  7768  		v.AuxInt = off
  7769  		v.Aux = sym
  7770  		v.AddArg(ptr)
  7771  		v.AddArg(idx)
  7772  		v.AddArg(mem)
  7773  		return true
  7774  	}
  7775  	return false
  7776  }
  7777  func rewriteValueS390X_OpS390XFMOVDloadidx(v *Value) bool {
  7778  	// match: (FMOVDloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
  7779  	// cond:
  7780  	// result: (FMOVDloadidx [c+d] {sym} ptr idx mem)
  7781  	for {
  7782  		c := v.AuxInt
  7783  		sym := v.Aux
  7784  		v_0 := v.Args[0]
  7785  		if v_0.Op != OpS390XADDconst {
  7786  			break
  7787  		}
  7788  		d := v_0.AuxInt
  7789  		ptr := v_0.Args[0]
  7790  		idx := v.Args[1]
  7791  		mem := v.Args[2]
  7792  		v.reset(OpS390XFMOVDloadidx)
  7793  		v.AuxInt = c + d
  7794  		v.Aux = sym
  7795  		v.AddArg(ptr)
  7796  		v.AddArg(idx)
  7797  		v.AddArg(mem)
  7798  		return true
  7799  	}
  7800  	// match: (FMOVDloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
  7801  	// cond:
  7802  	// result: (FMOVDloadidx [c+d] {sym} ptr idx mem)
  7803  	for {
  7804  		c := v.AuxInt
  7805  		sym := v.Aux
  7806  		ptr := v.Args[0]
  7807  		v_1 := v.Args[1]
  7808  		if v_1.Op != OpS390XADDconst {
  7809  			break
  7810  		}
  7811  		d := v_1.AuxInt
  7812  		idx := v_1.Args[0]
  7813  		mem := v.Args[2]
  7814  		v.reset(OpS390XFMOVDloadidx)
  7815  		v.AuxInt = c + d
  7816  		v.Aux = sym
  7817  		v.AddArg(ptr)
  7818  		v.AddArg(idx)
  7819  		v.AddArg(mem)
  7820  		return true
  7821  	}
  7822  	return false
  7823  }
  7824  func rewriteValueS390X_OpS390XFMOVDstore(v *Value) bool {
  7825  	// match: (FMOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  7826  	// cond: is20Bit(off1+off2)
  7827  	// result: (FMOVDstore [off1+off2] {sym} ptr val mem)
  7828  	for {
  7829  		off1 := v.AuxInt
  7830  		sym := v.Aux
  7831  		v_0 := v.Args[0]
  7832  		if v_0.Op != OpS390XADDconst {
  7833  			break
  7834  		}
  7835  		off2 := v_0.AuxInt
  7836  		ptr := v_0.Args[0]
  7837  		val := v.Args[1]
  7838  		mem := v.Args[2]
  7839  		if !(is20Bit(off1 + off2)) {
  7840  			break
  7841  		}
  7842  		v.reset(OpS390XFMOVDstore)
  7843  		v.AuxInt = off1 + off2
  7844  		v.Aux = sym
  7845  		v.AddArg(ptr)
  7846  		v.AddArg(val)
  7847  		v.AddArg(mem)
  7848  		return true
  7849  	}
  7850  	// match: (FMOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
  7851  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7852  	// result: (FMOVDstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  7853  	for {
  7854  		off1 := v.AuxInt
  7855  		sym1 := v.Aux
  7856  		v_0 := v.Args[0]
  7857  		if v_0.Op != OpS390XMOVDaddr {
  7858  			break
  7859  		}
  7860  		off2 := v_0.AuxInt
  7861  		sym2 := v_0.Aux
  7862  		base := v_0.Args[0]
  7863  		val := v.Args[1]
  7864  		mem := v.Args[2]
  7865  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7866  			break
  7867  		}
  7868  		v.reset(OpS390XFMOVDstore)
  7869  		v.AuxInt = off1 + off2
  7870  		v.Aux = mergeSym(sym1, sym2)
  7871  		v.AddArg(base)
  7872  		v.AddArg(val)
  7873  		v.AddArg(mem)
  7874  		return true
  7875  	}
  7876  	// match: (FMOVDstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
  7877  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7878  	// result: (FMOVDstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
  7879  	for {
  7880  		off1 := v.AuxInt
  7881  		sym1 := v.Aux
  7882  		v_0 := v.Args[0]
  7883  		if v_0.Op != OpS390XMOVDaddridx {
  7884  			break
  7885  		}
  7886  		off2 := v_0.AuxInt
  7887  		sym2 := v_0.Aux
  7888  		ptr := v_0.Args[0]
  7889  		idx := v_0.Args[1]
  7890  		val := v.Args[1]
  7891  		mem := v.Args[2]
  7892  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7893  			break
  7894  		}
  7895  		v.reset(OpS390XFMOVDstoreidx)
  7896  		v.AuxInt = off1 + off2
  7897  		v.Aux = mergeSym(sym1, sym2)
  7898  		v.AddArg(ptr)
  7899  		v.AddArg(idx)
  7900  		v.AddArg(val)
  7901  		v.AddArg(mem)
  7902  		return true
  7903  	}
  7904  	// match: (FMOVDstore [off] {sym} (ADD ptr idx) val mem)
  7905  	// cond: ptr.Op != OpSB
  7906  	// result: (FMOVDstoreidx [off] {sym} ptr idx val mem)
  7907  	for {
  7908  		off := v.AuxInt
  7909  		sym := v.Aux
  7910  		v_0 := v.Args[0]
  7911  		if v_0.Op != OpS390XADD {
  7912  			break
  7913  		}
  7914  		ptr := v_0.Args[0]
  7915  		idx := v_0.Args[1]
  7916  		val := v.Args[1]
  7917  		mem := v.Args[2]
  7918  		if !(ptr.Op != OpSB) {
  7919  			break
  7920  		}
  7921  		v.reset(OpS390XFMOVDstoreidx)
  7922  		v.AuxInt = off
  7923  		v.Aux = sym
  7924  		v.AddArg(ptr)
  7925  		v.AddArg(idx)
  7926  		v.AddArg(val)
  7927  		v.AddArg(mem)
  7928  		return true
  7929  	}
  7930  	return false
  7931  }
  7932  func rewriteValueS390X_OpS390XFMOVDstoreidx(v *Value) bool {
  7933  	// match: (FMOVDstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
  7934  	// cond:
  7935  	// result: (FMOVDstoreidx [c+d] {sym} ptr idx val mem)
  7936  	for {
  7937  		c := v.AuxInt
  7938  		sym := v.Aux
  7939  		v_0 := v.Args[0]
  7940  		if v_0.Op != OpS390XADDconst {
  7941  			break
  7942  		}
  7943  		d := v_0.AuxInt
  7944  		ptr := v_0.Args[0]
  7945  		idx := v.Args[1]
  7946  		val := v.Args[2]
  7947  		mem := v.Args[3]
  7948  		v.reset(OpS390XFMOVDstoreidx)
  7949  		v.AuxInt = c + d
  7950  		v.Aux = sym
  7951  		v.AddArg(ptr)
  7952  		v.AddArg(idx)
  7953  		v.AddArg(val)
  7954  		v.AddArg(mem)
  7955  		return true
  7956  	}
  7957  	// match: (FMOVDstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
  7958  	// cond:
  7959  	// result: (FMOVDstoreidx [c+d] {sym} ptr idx val mem)
  7960  	for {
  7961  		c := v.AuxInt
  7962  		sym := v.Aux
  7963  		ptr := v.Args[0]
  7964  		v_1 := v.Args[1]
  7965  		if v_1.Op != OpS390XADDconst {
  7966  			break
  7967  		}
  7968  		d := v_1.AuxInt
  7969  		idx := v_1.Args[0]
  7970  		val := v.Args[2]
  7971  		mem := v.Args[3]
  7972  		v.reset(OpS390XFMOVDstoreidx)
  7973  		v.AuxInt = c + d
  7974  		v.Aux = sym
  7975  		v.AddArg(ptr)
  7976  		v.AddArg(idx)
  7977  		v.AddArg(val)
  7978  		v.AddArg(mem)
  7979  		return true
  7980  	}
  7981  	return false
  7982  }
  7983  func rewriteValueS390X_OpS390XFMOVSload(v *Value) bool {
  7984  	// match: (FMOVSload [off1] {sym} (ADDconst [off2] ptr) mem)
  7985  	// cond: is20Bit(off1+off2)
  7986  	// result: (FMOVSload [off1+off2] {sym} ptr mem)
  7987  	for {
  7988  		off1 := v.AuxInt
  7989  		sym := v.Aux
  7990  		v_0 := v.Args[0]
  7991  		if v_0.Op != OpS390XADDconst {
  7992  			break
  7993  		}
  7994  		off2 := v_0.AuxInt
  7995  		ptr := v_0.Args[0]
  7996  		mem := v.Args[1]
  7997  		if !(is20Bit(off1 + off2)) {
  7998  			break
  7999  		}
  8000  		v.reset(OpS390XFMOVSload)
  8001  		v.AuxInt = off1 + off2
  8002  		v.Aux = sym
  8003  		v.AddArg(ptr)
  8004  		v.AddArg(mem)
  8005  		return true
  8006  	}
  8007  	// match: (FMOVSload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  8008  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8009  	// result: (FMOVSload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  8010  	for {
  8011  		off1 := v.AuxInt
  8012  		sym1 := v.Aux
  8013  		v_0 := v.Args[0]
  8014  		if v_0.Op != OpS390XMOVDaddr {
  8015  			break
  8016  		}
  8017  		off2 := v_0.AuxInt
  8018  		sym2 := v_0.Aux
  8019  		base := v_0.Args[0]
  8020  		mem := v.Args[1]
  8021  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8022  			break
  8023  		}
  8024  		v.reset(OpS390XFMOVSload)
  8025  		v.AuxInt = off1 + off2
  8026  		v.Aux = mergeSym(sym1, sym2)
  8027  		v.AddArg(base)
  8028  		v.AddArg(mem)
  8029  		return true
  8030  	}
  8031  	// match: (FMOVSload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
  8032  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8033  	// result: (FMOVSloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
  8034  	for {
  8035  		off1 := v.AuxInt
  8036  		sym1 := v.Aux
  8037  		v_0 := v.Args[0]
  8038  		if v_0.Op != OpS390XMOVDaddridx {
  8039  			break
  8040  		}
  8041  		off2 := v_0.AuxInt
  8042  		sym2 := v_0.Aux
  8043  		ptr := v_0.Args[0]
  8044  		idx := v_0.Args[1]
  8045  		mem := v.Args[1]
  8046  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8047  			break
  8048  		}
  8049  		v.reset(OpS390XFMOVSloadidx)
  8050  		v.AuxInt = off1 + off2
  8051  		v.Aux = mergeSym(sym1, sym2)
  8052  		v.AddArg(ptr)
  8053  		v.AddArg(idx)
  8054  		v.AddArg(mem)
  8055  		return true
  8056  	}
  8057  	// match: (FMOVSload [off] {sym} (ADD ptr idx) mem)
  8058  	// cond: ptr.Op != OpSB
  8059  	// result: (FMOVSloadidx [off] {sym} ptr idx mem)
  8060  	for {
  8061  		off := v.AuxInt
  8062  		sym := v.Aux
  8063  		v_0 := v.Args[0]
  8064  		if v_0.Op != OpS390XADD {
  8065  			break
  8066  		}
  8067  		ptr := v_0.Args[0]
  8068  		idx := v_0.Args[1]
  8069  		mem := v.Args[1]
  8070  		if !(ptr.Op != OpSB) {
  8071  			break
  8072  		}
  8073  		v.reset(OpS390XFMOVSloadidx)
  8074  		v.AuxInt = off
  8075  		v.Aux = sym
  8076  		v.AddArg(ptr)
  8077  		v.AddArg(idx)
  8078  		v.AddArg(mem)
  8079  		return true
  8080  	}
  8081  	return false
  8082  }
  8083  func rewriteValueS390X_OpS390XFMOVSloadidx(v *Value) bool {
  8084  	// match: (FMOVSloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
  8085  	// cond:
  8086  	// result: (FMOVSloadidx [c+d] {sym} ptr idx mem)
  8087  	for {
  8088  		c := v.AuxInt
  8089  		sym := v.Aux
  8090  		v_0 := v.Args[0]
  8091  		if v_0.Op != OpS390XADDconst {
  8092  			break
  8093  		}
  8094  		d := v_0.AuxInt
  8095  		ptr := v_0.Args[0]
  8096  		idx := v.Args[1]
  8097  		mem := v.Args[2]
  8098  		v.reset(OpS390XFMOVSloadidx)
  8099  		v.AuxInt = c + d
  8100  		v.Aux = sym
  8101  		v.AddArg(ptr)
  8102  		v.AddArg(idx)
  8103  		v.AddArg(mem)
  8104  		return true
  8105  	}
  8106  	// match: (FMOVSloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
  8107  	// cond:
  8108  	// result: (FMOVSloadidx [c+d] {sym} ptr idx mem)
  8109  	for {
  8110  		c := v.AuxInt
  8111  		sym := v.Aux
  8112  		ptr := v.Args[0]
  8113  		v_1 := v.Args[1]
  8114  		if v_1.Op != OpS390XADDconst {
  8115  			break
  8116  		}
  8117  		d := v_1.AuxInt
  8118  		idx := v_1.Args[0]
  8119  		mem := v.Args[2]
  8120  		v.reset(OpS390XFMOVSloadidx)
  8121  		v.AuxInt = c + d
  8122  		v.Aux = sym
  8123  		v.AddArg(ptr)
  8124  		v.AddArg(idx)
  8125  		v.AddArg(mem)
  8126  		return true
  8127  	}
  8128  	return false
  8129  }
  8130  func rewriteValueS390X_OpS390XFMOVSstore(v *Value) bool {
  8131  	// match: (FMOVSstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  8132  	// cond: is20Bit(off1+off2)
  8133  	// result: (FMOVSstore [off1+off2] {sym} ptr val mem)
  8134  	for {
  8135  		off1 := v.AuxInt
  8136  		sym := v.Aux
  8137  		v_0 := v.Args[0]
  8138  		if v_0.Op != OpS390XADDconst {
  8139  			break
  8140  		}
  8141  		off2 := v_0.AuxInt
  8142  		ptr := v_0.Args[0]
  8143  		val := v.Args[1]
  8144  		mem := v.Args[2]
  8145  		if !(is20Bit(off1 + off2)) {
  8146  			break
  8147  		}
  8148  		v.reset(OpS390XFMOVSstore)
  8149  		v.AuxInt = off1 + off2
  8150  		v.Aux = sym
  8151  		v.AddArg(ptr)
  8152  		v.AddArg(val)
  8153  		v.AddArg(mem)
  8154  		return true
  8155  	}
  8156  	// match: (FMOVSstore [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
  8157  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8158  	// result: (FMOVSstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  8159  	for {
  8160  		off1 := v.AuxInt
  8161  		sym1 := v.Aux
  8162  		v_0 := v.Args[0]
  8163  		if v_0.Op != OpS390XMOVDaddr {
  8164  			break
  8165  		}
  8166  		off2 := v_0.AuxInt
  8167  		sym2 := v_0.Aux
  8168  		base := v_0.Args[0]
  8169  		val := v.Args[1]
  8170  		mem := v.Args[2]
  8171  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8172  			break
  8173  		}
  8174  		v.reset(OpS390XFMOVSstore)
  8175  		v.AuxInt = off1 + off2
  8176  		v.Aux = mergeSym(sym1, sym2)
  8177  		v.AddArg(base)
  8178  		v.AddArg(val)
  8179  		v.AddArg(mem)
  8180  		return true
  8181  	}
  8182  	// match: (FMOVSstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
  8183  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8184  	// result: (FMOVSstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
  8185  	for {
  8186  		off1 := v.AuxInt
  8187  		sym1 := v.Aux
  8188  		v_0 := v.Args[0]
  8189  		if v_0.Op != OpS390XMOVDaddridx {
  8190  			break
  8191  		}
  8192  		off2 := v_0.AuxInt
  8193  		sym2 := v_0.Aux
  8194  		ptr := v_0.Args[0]
  8195  		idx := v_0.Args[1]
  8196  		val := v.Args[1]
  8197  		mem := v.Args[2]
  8198  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8199  			break
  8200  		}
  8201  		v.reset(OpS390XFMOVSstoreidx)
  8202  		v.AuxInt = off1 + off2
  8203  		v.Aux = mergeSym(sym1, sym2)
  8204  		v.AddArg(ptr)
  8205  		v.AddArg(idx)
  8206  		v.AddArg(val)
  8207  		v.AddArg(mem)
  8208  		return true
  8209  	}
  8210  	// match: (FMOVSstore [off] {sym} (ADD ptr idx) val mem)
  8211  	// cond: ptr.Op != OpSB
  8212  	// result: (FMOVSstoreidx [off] {sym} ptr idx val mem)
  8213  	for {
  8214  		off := v.AuxInt
  8215  		sym := v.Aux
  8216  		v_0 := v.Args[0]
  8217  		if v_0.Op != OpS390XADD {
  8218  			break
  8219  		}
  8220  		ptr := v_0.Args[0]
  8221  		idx := v_0.Args[1]
  8222  		val := v.Args[1]
  8223  		mem := v.Args[2]
  8224  		if !(ptr.Op != OpSB) {
  8225  			break
  8226  		}
  8227  		v.reset(OpS390XFMOVSstoreidx)
  8228  		v.AuxInt = off
  8229  		v.Aux = sym
  8230  		v.AddArg(ptr)
  8231  		v.AddArg(idx)
  8232  		v.AddArg(val)
  8233  		v.AddArg(mem)
  8234  		return true
  8235  	}
  8236  	return false
  8237  }
  8238  func rewriteValueS390X_OpS390XFMOVSstoreidx(v *Value) bool {
  8239  	// match: (FMOVSstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
  8240  	// cond:
  8241  	// result: (FMOVSstoreidx [c+d] {sym} ptr idx val mem)
  8242  	for {
  8243  		c := v.AuxInt
  8244  		sym := v.Aux
  8245  		v_0 := v.Args[0]
  8246  		if v_0.Op != OpS390XADDconst {
  8247  			break
  8248  		}
  8249  		d := v_0.AuxInt
  8250  		ptr := v_0.Args[0]
  8251  		idx := v.Args[1]
  8252  		val := v.Args[2]
  8253  		mem := v.Args[3]
  8254  		v.reset(OpS390XFMOVSstoreidx)
  8255  		v.AuxInt = c + d
  8256  		v.Aux = sym
  8257  		v.AddArg(ptr)
  8258  		v.AddArg(idx)
  8259  		v.AddArg(val)
  8260  		v.AddArg(mem)
  8261  		return true
  8262  	}
  8263  	// match: (FMOVSstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
  8264  	// cond:
  8265  	// result: (FMOVSstoreidx [c+d] {sym} ptr idx val mem)
  8266  	for {
  8267  		c := v.AuxInt
  8268  		sym := v.Aux
  8269  		ptr := v.Args[0]
  8270  		v_1 := v.Args[1]
  8271  		if v_1.Op != OpS390XADDconst {
  8272  			break
  8273  		}
  8274  		d := v_1.AuxInt
  8275  		idx := v_1.Args[0]
  8276  		val := v.Args[2]
  8277  		mem := v.Args[3]
  8278  		v.reset(OpS390XFMOVSstoreidx)
  8279  		v.AuxInt = c + d
  8280  		v.Aux = sym
  8281  		v.AddArg(ptr)
  8282  		v.AddArg(idx)
  8283  		v.AddArg(val)
  8284  		v.AddArg(mem)
  8285  		return true
  8286  	}
  8287  	return false
  8288  }
  8289  func rewriteValueS390X_OpS390XFSUB(v *Value) bool {
  8290  	// match: (FSUB (FMUL y z) x)
  8291  	// cond:
  8292  	// result: (FMSUB x y z)
  8293  	for {
  8294  		v_0 := v.Args[0]
  8295  		if v_0.Op != OpS390XFMUL {
  8296  			break
  8297  		}
  8298  		y := v_0.Args[0]
  8299  		z := v_0.Args[1]
  8300  		x := v.Args[1]
  8301  		v.reset(OpS390XFMSUB)
  8302  		v.AddArg(x)
  8303  		v.AddArg(y)
  8304  		v.AddArg(z)
  8305  		return true
  8306  	}
  8307  	return false
  8308  }
  8309  func rewriteValueS390X_OpS390XFSUBS(v *Value) bool {
  8310  	// match: (FSUBS (FMULS y z) x)
  8311  	// cond:
  8312  	// result: (FMSUBS x y z)
  8313  	for {
  8314  		v_0 := v.Args[0]
  8315  		if v_0.Op != OpS390XFMULS {
  8316  			break
  8317  		}
  8318  		y := v_0.Args[0]
  8319  		z := v_0.Args[1]
  8320  		x := v.Args[1]
  8321  		v.reset(OpS390XFMSUBS)
  8322  		v.AddArg(x)
  8323  		v.AddArg(y)
  8324  		v.AddArg(z)
  8325  		return true
  8326  	}
  8327  	return false
  8328  }
  8329  func rewriteValueS390X_OpS390XLoweredRound32F(v *Value) bool {
  8330  	// match: (LoweredRound32F x:(FMOVSconst))
  8331  	// cond:
  8332  	// result: x
  8333  	for {
  8334  		x := v.Args[0]
  8335  		if x.Op != OpS390XFMOVSconst {
  8336  			break
  8337  		}
  8338  		v.reset(OpCopy)
  8339  		v.Type = x.Type
  8340  		v.AddArg(x)
  8341  		return true
  8342  	}
  8343  	return false
  8344  }
  8345  func rewriteValueS390X_OpS390XLoweredRound64F(v *Value) bool {
  8346  	// match: (LoweredRound64F x:(FMOVDconst))
  8347  	// cond:
  8348  	// result: x
  8349  	for {
  8350  		x := v.Args[0]
  8351  		if x.Op != OpS390XFMOVDconst {
  8352  			break
  8353  		}
  8354  		v.reset(OpCopy)
  8355  		v.Type = x.Type
  8356  		v.AddArg(x)
  8357  		return true
  8358  	}
  8359  	return false
  8360  }
  8361  func rewriteValueS390X_OpS390XMOVBZload(v *Value) bool {
  8362  	// match: (MOVBZload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _))
  8363  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  8364  	// result: (MOVBZreg x)
  8365  	for {
  8366  		off := v.AuxInt
  8367  		sym := v.Aux
  8368  		ptr := v.Args[0]
  8369  		v_1 := v.Args[1]
  8370  		if v_1.Op != OpS390XMOVBstore {
  8371  			break
  8372  		}
  8373  		off2 := v_1.AuxInt
  8374  		sym2 := v_1.Aux
  8375  		ptr2 := v_1.Args[0]
  8376  		x := v_1.Args[1]
  8377  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  8378  			break
  8379  		}
  8380  		v.reset(OpS390XMOVBZreg)
  8381  		v.AddArg(x)
  8382  		return true
  8383  	}
  8384  	// match: (MOVBZload [off1] {sym} (ADDconst [off2] ptr) mem)
  8385  	// cond: is20Bit(off1+off2)
  8386  	// result: (MOVBZload [off1+off2] {sym} ptr mem)
  8387  	for {
  8388  		off1 := v.AuxInt
  8389  		sym := v.Aux
  8390  		v_0 := v.Args[0]
  8391  		if v_0.Op != OpS390XADDconst {
  8392  			break
  8393  		}
  8394  		off2 := v_0.AuxInt
  8395  		ptr := v_0.Args[0]
  8396  		mem := v.Args[1]
  8397  		if !(is20Bit(off1 + off2)) {
  8398  			break
  8399  		}
  8400  		v.reset(OpS390XMOVBZload)
  8401  		v.AuxInt = off1 + off2
  8402  		v.Aux = sym
  8403  		v.AddArg(ptr)
  8404  		v.AddArg(mem)
  8405  		return true
  8406  	}
  8407  	// match: (MOVBZload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  8408  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8409  	// result: (MOVBZload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
  8410  	for {
  8411  		off1 := v.AuxInt
  8412  		sym1 := v.Aux
  8413  		v_0 := v.Args[0]
  8414  		if v_0.Op != OpS390XMOVDaddr {
  8415  			break
  8416  		}
  8417  		off2 := v_0.AuxInt
  8418  		sym2 := v_0.Aux
  8419  		base := v_0.Args[0]
  8420  		mem := v.Args[1]
  8421  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8422  			break
  8423  		}
  8424  		v.reset(OpS390XMOVBZload)
  8425  		v.AuxInt = off1 + off2
  8426  		v.Aux = mergeSym(sym1, sym2)
  8427  		v.AddArg(base)
  8428  		v.AddArg(mem)
  8429  		return true
  8430  	}
  8431  	// match: (MOVBZload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
  8432  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8433  	// result: (MOVBZloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
  8434  	for {
  8435  		off1 := v.AuxInt
  8436  		sym1 := v.Aux
  8437  		v_0 := v.Args[0]
  8438  		if v_0.Op != OpS390XMOVDaddridx {
  8439  			break
  8440  		}
  8441  		off2 := v_0.AuxInt
  8442  		sym2 := v_0.Aux
  8443  		ptr := v_0.Args[0]
  8444  		idx := v_0.Args[1]
  8445  		mem := v.Args[1]
  8446  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8447  			break
  8448  		}
  8449  		v.reset(OpS390XMOVBZloadidx)
  8450  		v.AuxInt = off1 + off2
  8451  		v.Aux = mergeSym(sym1, sym2)
  8452  		v.AddArg(ptr)
  8453  		v.AddArg(idx)
  8454  		v.AddArg(mem)
  8455  		return true
  8456  	}
  8457  	// match: (MOVBZload [off] {sym} (ADD ptr idx) mem)
  8458  	// cond: ptr.Op != OpSB
  8459  	// result: (MOVBZloadidx [off] {sym} ptr idx mem)
  8460  	for {
  8461  		off := v.AuxInt
  8462  		sym := v.Aux
  8463  		v_0 := v.Args[0]
  8464  		if v_0.Op != OpS390XADD {
  8465  			break
  8466  		}
  8467  		ptr := v_0.Args[0]
  8468  		idx := v_0.Args[1]
  8469  		mem := v.Args[1]
  8470  		if !(ptr.Op != OpSB) {
  8471  			break
  8472  		}
  8473  		v.reset(OpS390XMOVBZloadidx)
  8474  		v.AuxInt = off
  8475  		v.Aux = sym
  8476  		v.AddArg(ptr)
  8477  		v.AddArg(idx)
  8478  		v.AddArg(mem)
  8479  		return true
  8480  	}
  8481  	return false
  8482  }
  8483  func rewriteValueS390X_OpS390XMOVBZloadidx(v *Value) bool {
  8484  	// match: (MOVBZloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
  8485  	// cond:
  8486  	// result: (MOVBZloadidx [c+d] {sym} ptr idx mem)
  8487  	for {
  8488  		c := v.AuxInt
  8489  		sym := v.Aux
  8490  		v_0 := v.Args[0]
  8491  		if v_0.Op != OpS390XADDconst {
  8492  			break
  8493  		}
  8494  		d := v_0.AuxInt
  8495  		ptr := v_0.Args[0]
  8496  		idx := v.Args[1]
  8497  		mem := v.Args[2]
  8498  		v.reset(OpS390XMOVBZloadidx)
  8499  		v.AuxInt = c + d
  8500  		v.Aux = sym
  8501  		v.AddArg(ptr)
  8502  		v.AddArg(idx)
  8503  		v.AddArg(mem)
  8504  		return true
  8505  	}
  8506  	// match: (MOVBZloadidx [c] {sym} idx (ADDconst [d] ptr) mem)
  8507  	// cond:
  8508  	// result: (MOVBZloadidx [c+d] {sym} ptr idx mem)
  8509  	for {
  8510  		c := v.AuxInt
  8511  		sym := v.Aux
  8512  		idx := v.Args[0]
  8513  		v_1 := v.Args[1]
  8514  		if v_1.Op != OpS390XADDconst {
  8515  			break
  8516  		}
  8517  		d := v_1.AuxInt
  8518  		ptr := v_1.Args[0]
  8519  		mem := v.Args[2]
  8520  		v.reset(OpS390XMOVBZloadidx)
  8521  		v.AuxInt = c + d
  8522  		v.Aux = sym
  8523  		v.AddArg(ptr)
  8524  		v.AddArg(idx)
  8525  		v.AddArg(mem)
  8526  		return true
  8527  	}
  8528  	// match: (MOVBZloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
  8529  	// cond:
  8530  	// result: (MOVBZloadidx [c+d] {sym} ptr idx mem)
  8531  	for {
  8532  		c := v.AuxInt
  8533  		sym := v.Aux
  8534  		ptr := v.Args[0]
  8535  		v_1 := v.Args[1]
  8536  		if v_1.Op != OpS390XADDconst {
  8537  			break
  8538  		}
  8539  		d := v_1.AuxInt
  8540  		idx := v_1.Args[0]
  8541  		mem := v.Args[2]
  8542  		v.reset(OpS390XMOVBZloadidx)
  8543  		v.AuxInt = c + d
  8544  		v.Aux = sym
  8545  		v.AddArg(ptr)
  8546  		v.AddArg(idx)
  8547  		v.AddArg(mem)
  8548  		return true
  8549  	}
  8550  	// match: (MOVBZloadidx [c] {sym} (ADDconst [d] idx) ptr mem)
  8551  	// cond:
  8552  	// result: (MOVBZloadidx [c+d] {sym} ptr idx mem)
  8553  	for {
  8554  		c := v.AuxInt
  8555  		sym := v.Aux
  8556  		v_0 := v.Args[0]
  8557  		if v_0.Op != OpS390XADDconst {
  8558  			break
  8559  		}
  8560  		d := v_0.AuxInt
  8561  		idx := v_0.Args[0]
  8562  		ptr := v.Args[1]
  8563  		mem := v.Args[2]
  8564  		v.reset(OpS390XMOVBZloadidx)
  8565  		v.AuxInt = c + d
  8566  		v.Aux = sym
  8567  		v.AddArg(ptr)
  8568  		v.AddArg(idx)
  8569  		v.AddArg(mem)
  8570  		return true
  8571  	}
  8572  	return false
  8573  }
  8574  func rewriteValueS390X_OpS390XMOVBZreg(v *Value) bool {
  8575  	b := v.Block
  8576  	_ = b
  8577  	// match: (MOVBZreg x:(MOVDLT (MOVDconst [c]) (MOVDconst [d]) _))
  8578  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8579  	// result: (MOVDreg x)
  8580  	for {
  8581  		x := v.Args[0]
  8582  		if x.Op != OpS390XMOVDLT {
  8583  			break
  8584  		}
  8585  		x_0 := x.Args[0]
  8586  		if x_0.Op != OpS390XMOVDconst {
  8587  			break
  8588  		}
  8589  		c := x_0.AuxInt
  8590  		x_1 := x.Args[1]
  8591  		if x_1.Op != OpS390XMOVDconst {
  8592  			break
  8593  		}
  8594  		d := x_1.AuxInt
  8595  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8596  			break
  8597  		}
  8598  		v.reset(OpS390XMOVDreg)
  8599  		v.AddArg(x)
  8600  		return true
  8601  	}
  8602  	// match: (MOVBZreg x:(MOVDLE (MOVDconst [c]) (MOVDconst [d]) _))
  8603  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8604  	// result: (MOVDreg x)
  8605  	for {
  8606  		x := v.Args[0]
  8607  		if x.Op != OpS390XMOVDLE {
  8608  			break
  8609  		}
  8610  		x_0 := x.Args[0]
  8611  		if x_0.Op != OpS390XMOVDconst {
  8612  			break
  8613  		}
  8614  		c := x_0.AuxInt
  8615  		x_1 := x.Args[1]
  8616  		if x_1.Op != OpS390XMOVDconst {
  8617  			break
  8618  		}
  8619  		d := x_1.AuxInt
  8620  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8621  			break
  8622  		}
  8623  		v.reset(OpS390XMOVDreg)
  8624  		v.AddArg(x)
  8625  		return true
  8626  	}
  8627  	// match: (MOVBZreg x:(MOVDGT (MOVDconst [c]) (MOVDconst [d]) _))
  8628  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8629  	// result: (MOVDreg x)
  8630  	for {
  8631  		x := v.Args[0]
  8632  		if x.Op != OpS390XMOVDGT {
  8633  			break
  8634  		}
  8635  		x_0 := x.Args[0]
  8636  		if x_0.Op != OpS390XMOVDconst {
  8637  			break
  8638  		}
  8639  		c := x_0.AuxInt
  8640  		x_1 := x.Args[1]
  8641  		if x_1.Op != OpS390XMOVDconst {
  8642  			break
  8643  		}
  8644  		d := x_1.AuxInt
  8645  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8646  			break
  8647  		}
  8648  		v.reset(OpS390XMOVDreg)
  8649  		v.AddArg(x)
  8650  		return true
  8651  	}
  8652  	// match: (MOVBZreg x:(MOVDGE (MOVDconst [c]) (MOVDconst [d]) _))
  8653  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8654  	// result: (MOVDreg x)
  8655  	for {
  8656  		x := v.Args[0]
  8657  		if x.Op != OpS390XMOVDGE {
  8658  			break
  8659  		}
  8660  		x_0 := x.Args[0]
  8661  		if x_0.Op != OpS390XMOVDconst {
  8662  			break
  8663  		}
  8664  		c := x_0.AuxInt
  8665  		x_1 := x.Args[1]
  8666  		if x_1.Op != OpS390XMOVDconst {
  8667  			break
  8668  		}
  8669  		d := x_1.AuxInt
  8670  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8671  			break
  8672  		}
  8673  		v.reset(OpS390XMOVDreg)
  8674  		v.AddArg(x)
  8675  		return true
  8676  	}
  8677  	// match: (MOVBZreg x:(MOVDEQ (MOVDconst [c]) (MOVDconst [d]) _))
  8678  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8679  	// result: (MOVDreg x)
  8680  	for {
  8681  		x := v.Args[0]
  8682  		if x.Op != OpS390XMOVDEQ {
  8683  			break
  8684  		}
  8685  		x_0 := x.Args[0]
  8686  		if x_0.Op != OpS390XMOVDconst {
  8687  			break
  8688  		}
  8689  		c := x_0.AuxInt
  8690  		x_1 := x.Args[1]
  8691  		if x_1.Op != OpS390XMOVDconst {
  8692  			break
  8693  		}
  8694  		d := x_1.AuxInt
  8695  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8696  			break
  8697  		}
  8698  		v.reset(OpS390XMOVDreg)
  8699  		v.AddArg(x)
  8700  		return true
  8701  	}
  8702  	// match: (MOVBZreg x:(MOVDNE (MOVDconst [c]) (MOVDconst [d]) _))
  8703  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8704  	// result: (MOVDreg x)
  8705  	for {
  8706  		x := v.Args[0]
  8707  		if x.Op != OpS390XMOVDNE {
  8708  			break
  8709  		}
  8710  		x_0 := x.Args[0]
  8711  		if x_0.Op != OpS390XMOVDconst {
  8712  			break
  8713  		}
  8714  		c := x_0.AuxInt
  8715  		x_1 := x.Args[1]
  8716  		if x_1.Op != OpS390XMOVDconst {
  8717  			break
  8718  		}
  8719  		d := x_1.AuxInt
  8720  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8721  			break
  8722  		}
  8723  		v.reset(OpS390XMOVDreg)
  8724  		v.AddArg(x)
  8725  		return true
  8726  	}
  8727  	// match: (MOVBZreg x:(MOVDGTnoinv (MOVDconst [c]) (MOVDconst [d]) _))
  8728  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8729  	// result: (MOVDreg x)
  8730  	for {
  8731  		x := v.Args[0]
  8732  		if x.Op != OpS390XMOVDGTnoinv {
  8733  			break
  8734  		}
  8735  		x_0 := x.Args[0]
  8736  		if x_0.Op != OpS390XMOVDconst {
  8737  			break
  8738  		}
  8739  		c := x_0.AuxInt
  8740  		x_1 := x.Args[1]
  8741  		if x_1.Op != OpS390XMOVDconst {
  8742  			break
  8743  		}
  8744  		d := x_1.AuxInt
  8745  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8746  			break
  8747  		}
  8748  		v.reset(OpS390XMOVDreg)
  8749  		v.AddArg(x)
  8750  		return true
  8751  	}
  8752  	// match: (MOVBZreg x:(MOVDGEnoinv (MOVDconst [c]) (MOVDconst [d]) _))
  8753  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8754  	// result: (MOVDreg x)
  8755  	for {
  8756  		x := v.Args[0]
  8757  		if x.Op != OpS390XMOVDGEnoinv {
  8758  			break
  8759  		}
  8760  		x_0 := x.Args[0]
  8761  		if x_0.Op != OpS390XMOVDconst {
  8762  			break
  8763  		}
  8764  		c := x_0.AuxInt
  8765  		x_1 := x.Args[1]
  8766  		if x_1.Op != OpS390XMOVDconst {
  8767  			break
  8768  		}
  8769  		d := x_1.AuxInt
  8770  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8771  			break
  8772  		}
  8773  		v.reset(OpS390XMOVDreg)
  8774  		v.AddArg(x)
  8775  		return true
  8776  	}
  8777  	// match: (MOVBZreg x:(MOVBZload _ _))
  8778  	// cond:
  8779  	// result: (MOVDreg x)
  8780  	for {
  8781  		x := v.Args[0]
  8782  		if x.Op != OpS390XMOVBZload {
  8783  			break
  8784  		}
  8785  		v.reset(OpS390XMOVDreg)
  8786  		v.AddArg(x)
  8787  		return true
  8788  	}
  8789  	// match: (MOVBZreg x:(Arg <t>))
  8790  	// cond: is8BitInt(t) && !isSigned(t)
  8791  	// result: (MOVDreg x)
  8792  	for {
  8793  		x := v.Args[0]
  8794  		if x.Op != OpArg {
  8795  			break
  8796  		}
  8797  		t := x.Type
  8798  		if !(is8BitInt(t) && !isSigned(t)) {
  8799  			break
  8800  		}
  8801  		v.reset(OpS390XMOVDreg)
  8802  		v.AddArg(x)
  8803  		return true
  8804  	}
  8805  	// match: (MOVBZreg x:(MOVBZreg _))
  8806  	// cond:
  8807  	// result: (MOVDreg x)
  8808  	for {
  8809  		x := v.Args[0]
  8810  		if x.Op != OpS390XMOVBZreg {
  8811  			break
  8812  		}
  8813  		v.reset(OpS390XMOVDreg)
  8814  		v.AddArg(x)
  8815  		return true
  8816  	}
  8817  	// match: (MOVBZreg (MOVDconst [c]))
  8818  	// cond:
  8819  	// result: (MOVDconst [int64(uint8(c))])
  8820  	for {
  8821  		v_0 := v.Args[0]
  8822  		if v_0.Op != OpS390XMOVDconst {
  8823  			break
  8824  		}
  8825  		c := v_0.AuxInt
  8826  		v.reset(OpS390XMOVDconst)
  8827  		v.AuxInt = int64(uint8(c))
  8828  		return true
  8829  	}
  8830  	// match: (MOVBZreg x:(MOVBZload [off] {sym} ptr mem))
  8831  	// cond: x.Uses == 1 && clobber(x)
  8832  	// result: @x.Block (MOVBZload <v.Type> [off] {sym} ptr mem)
  8833  	for {
  8834  		x := v.Args[0]
  8835  		if x.Op != OpS390XMOVBZload {
  8836  			break
  8837  		}
  8838  		off := x.AuxInt
  8839  		sym := x.Aux
  8840  		ptr := x.Args[0]
  8841  		mem := x.Args[1]
  8842  		if !(x.Uses == 1 && clobber(x)) {
  8843  			break
  8844  		}
  8845  		b = x.Block
  8846  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZload, v.Type)
  8847  		v.reset(OpCopy)
  8848  		v.AddArg(v0)
  8849  		v0.AuxInt = off
  8850  		v0.Aux = sym
  8851  		v0.AddArg(ptr)
  8852  		v0.AddArg(mem)
  8853  		return true
  8854  	}
  8855  	// match: (MOVBZreg x:(MOVBZloadidx [off] {sym} ptr idx mem))
  8856  	// cond: x.Uses == 1 && clobber(x)
  8857  	// result: @x.Block (MOVBZloadidx <v.Type> [off] {sym} ptr idx mem)
  8858  	for {
  8859  		x := v.Args[0]
  8860  		if x.Op != OpS390XMOVBZloadidx {
  8861  			break
  8862  		}
  8863  		off := x.AuxInt
  8864  		sym := x.Aux
  8865  		ptr := x.Args[0]
  8866  		idx := x.Args[1]
  8867  		mem := x.Args[2]
  8868  		if !(x.Uses == 1 && clobber(x)) {
  8869  			break
  8870  		}
  8871  		b = x.Block
  8872  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZloadidx, v.Type)
  8873  		v.reset(OpCopy)
  8874  		v.AddArg(v0)
  8875  		v0.AuxInt = off
  8876  		v0.Aux = sym
  8877  		v0.AddArg(ptr)
  8878  		v0.AddArg(idx)
  8879  		v0.AddArg(mem)
  8880  		return true
  8881  	}
  8882  	return false
  8883  }
  8884  func rewriteValueS390X_OpS390XMOVBload(v *Value) bool {
  8885  	// match: (MOVBload [off1] {sym} (ADDconst [off2] ptr) mem)
  8886  	// cond: is20Bit(off1+off2)
  8887  	// result: (MOVBload  [off1+off2] {sym} ptr mem)
  8888  	for {
  8889  		off1 := v.AuxInt
  8890  		sym := v.Aux
  8891  		v_0 := v.Args[0]
  8892  		if v_0.Op != OpS390XADDconst {
  8893  			break
  8894  		}
  8895  		off2 := v_0.AuxInt
  8896  		ptr := v_0.Args[0]
  8897  		mem := v.Args[1]
  8898  		if !(is20Bit(off1 + off2)) {
  8899  			break
  8900  		}
  8901  		v.reset(OpS390XMOVBload)
  8902  		v.AuxInt = off1 + off2
  8903  		v.Aux = sym
  8904  		v.AddArg(ptr)
  8905  		v.AddArg(mem)
  8906  		return true
  8907  	}
  8908  	// match: (MOVBload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  8909  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8910  	// result: (MOVBload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  8911  	for {
  8912  		off1 := v.AuxInt
  8913  		sym1 := v.Aux
  8914  		v_0 := v.Args[0]
  8915  		if v_0.Op != OpS390XMOVDaddr {
  8916  			break
  8917  		}
  8918  		off2 := v_0.AuxInt
  8919  		sym2 := v_0.Aux
  8920  		base := v_0.Args[0]
  8921  		mem := v.Args[1]
  8922  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8923  			break
  8924  		}
  8925  		v.reset(OpS390XMOVBload)
  8926  		v.AuxInt = off1 + off2
  8927  		v.Aux = mergeSym(sym1, sym2)
  8928  		v.AddArg(base)
  8929  		v.AddArg(mem)
  8930  		return true
  8931  	}
  8932  	return false
  8933  }
  8934  func rewriteValueS390X_OpS390XMOVBreg(v *Value) bool {
  8935  	b := v.Block
  8936  	_ = b
  8937  	// match: (MOVBreg x:(MOVBload _ _))
  8938  	// cond:
  8939  	// result: (MOVDreg x)
  8940  	for {
  8941  		x := v.Args[0]
  8942  		if x.Op != OpS390XMOVBload {
  8943  			break
  8944  		}
  8945  		v.reset(OpS390XMOVDreg)
  8946  		v.AddArg(x)
  8947  		return true
  8948  	}
  8949  	// match: (MOVBreg x:(Arg <t>))
  8950  	// cond: is8BitInt(t) && isSigned(t)
  8951  	// result: (MOVDreg x)
  8952  	for {
  8953  		x := v.Args[0]
  8954  		if x.Op != OpArg {
  8955  			break
  8956  		}
  8957  		t := x.Type
  8958  		if !(is8BitInt(t) && isSigned(t)) {
  8959  			break
  8960  		}
  8961  		v.reset(OpS390XMOVDreg)
  8962  		v.AddArg(x)
  8963  		return true
  8964  	}
  8965  	// match: (MOVBreg x:(MOVBreg _))
  8966  	// cond:
  8967  	// result: (MOVDreg x)
  8968  	for {
  8969  		x := v.Args[0]
  8970  		if x.Op != OpS390XMOVBreg {
  8971  			break
  8972  		}
  8973  		v.reset(OpS390XMOVDreg)
  8974  		v.AddArg(x)
  8975  		return true
  8976  	}
  8977  	// match: (MOVBreg (MOVDconst [c]))
  8978  	// cond:
  8979  	// result: (MOVDconst [int64(int8(c))])
  8980  	for {
  8981  		v_0 := v.Args[0]
  8982  		if v_0.Op != OpS390XMOVDconst {
  8983  			break
  8984  		}
  8985  		c := v_0.AuxInt
  8986  		v.reset(OpS390XMOVDconst)
  8987  		v.AuxInt = int64(int8(c))
  8988  		return true
  8989  	}
  8990  	// match: (MOVBreg x:(MOVBZload [off] {sym} ptr mem))
  8991  	// cond: x.Uses == 1 && clobber(x)
  8992  	// result: @x.Block (MOVBload <v.Type> [off] {sym} ptr mem)
  8993  	for {
  8994  		x := v.Args[0]
  8995  		if x.Op != OpS390XMOVBZload {
  8996  			break
  8997  		}
  8998  		off := x.AuxInt
  8999  		sym := x.Aux
  9000  		ptr := x.Args[0]
  9001  		mem := x.Args[1]
  9002  		if !(x.Uses == 1 && clobber(x)) {
  9003  			break
  9004  		}
  9005  		b = x.Block
  9006  		v0 := b.NewValue0(v.Pos, OpS390XMOVBload, v.Type)
  9007  		v.reset(OpCopy)
  9008  		v.AddArg(v0)
  9009  		v0.AuxInt = off
  9010  		v0.Aux = sym
  9011  		v0.AddArg(ptr)
  9012  		v0.AddArg(mem)
  9013  		return true
  9014  	}
  9015  	return false
  9016  }
  9017  func rewriteValueS390X_OpS390XMOVBstore(v *Value) bool {
  9018  	// match: (MOVBstore [off] {sym} ptr (MOVBreg x) mem)
  9019  	// cond:
  9020  	// result: (MOVBstore [off] {sym} ptr x mem)
  9021  	for {
  9022  		off := v.AuxInt
  9023  		sym := v.Aux
  9024  		ptr := v.Args[0]
  9025  		v_1 := v.Args[1]
  9026  		if v_1.Op != OpS390XMOVBreg {
  9027  			break
  9028  		}
  9029  		x := v_1.Args[0]
  9030  		mem := v.Args[2]
  9031  		v.reset(OpS390XMOVBstore)
  9032  		v.AuxInt = off
  9033  		v.Aux = sym
  9034  		v.AddArg(ptr)
  9035  		v.AddArg(x)
  9036  		v.AddArg(mem)
  9037  		return true
  9038  	}
  9039  	// match: (MOVBstore [off] {sym} ptr (MOVBZreg x) mem)
  9040  	// cond:
  9041  	// result: (MOVBstore [off] {sym} ptr x mem)
  9042  	for {
  9043  		off := v.AuxInt
  9044  		sym := v.Aux
  9045  		ptr := v.Args[0]
  9046  		v_1 := v.Args[1]
  9047  		if v_1.Op != OpS390XMOVBZreg {
  9048  			break
  9049  		}
  9050  		x := v_1.Args[0]
  9051  		mem := v.Args[2]
  9052  		v.reset(OpS390XMOVBstore)
  9053  		v.AuxInt = off
  9054  		v.Aux = sym
  9055  		v.AddArg(ptr)
  9056  		v.AddArg(x)
  9057  		v.AddArg(mem)
  9058  		return true
  9059  	}
  9060  	// match: (MOVBstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  9061  	// cond: is20Bit(off1+off2)
  9062  	// result: (MOVBstore  [off1+off2] {sym} ptr val mem)
  9063  	for {
  9064  		off1 := v.AuxInt
  9065  		sym := v.Aux
  9066  		v_0 := v.Args[0]
  9067  		if v_0.Op != OpS390XADDconst {
  9068  			break
  9069  		}
  9070  		off2 := v_0.AuxInt
  9071  		ptr := v_0.Args[0]
  9072  		val := v.Args[1]
  9073  		mem := v.Args[2]
  9074  		if !(is20Bit(off1 + off2)) {
  9075  			break
  9076  		}
  9077  		v.reset(OpS390XMOVBstore)
  9078  		v.AuxInt = off1 + off2
  9079  		v.Aux = sym
  9080  		v.AddArg(ptr)
  9081  		v.AddArg(val)
  9082  		v.AddArg(mem)
  9083  		return true
  9084  	}
  9085  	// match: (MOVBstore [off] {sym} ptr (MOVDconst [c]) mem)
  9086  	// cond: validOff(off) && ptr.Op != OpSB
  9087  	// result: (MOVBstoreconst [makeValAndOff(int64(int8(c)),off)] {sym} ptr mem)
  9088  	for {
  9089  		off := v.AuxInt
  9090  		sym := v.Aux
  9091  		ptr := v.Args[0]
  9092  		v_1 := v.Args[1]
  9093  		if v_1.Op != OpS390XMOVDconst {
  9094  			break
  9095  		}
  9096  		c := v_1.AuxInt
  9097  		mem := v.Args[2]
  9098  		if !(validOff(off) && ptr.Op != OpSB) {
  9099  			break
  9100  		}
  9101  		v.reset(OpS390XMOVBstoreconst)
  9102  		v.AuxInt = makeValAndOff(int64(int8(c)), off)
  9103  		v.Aux = sym
  9104  		v.AddArg(ptr)
  9105  		v.AddArg(mem)
  9106  		return true
  9107  	}
  9108  	// match: (MOVBstore [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
  9109  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  9110  	// result: (MOVBstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  9111  	for {
  9112  		off1 := v.AuxInt
  9113  		sym1 := v.Aux
  9114  		v_0 := v.Args[0]
  9115  		if v_0.Op != OpS390XMOVDaddr {
  9116  			break
  9117  		}
  9118  		off2 := v_0.AuxInt
  9119  		sym2 := v_0.Aux
  9120  		base := v_0.Args[0]
  9121  		val := v.Args[1]
  9122  		mem := v.Args[2]
  9123  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  9124  			break
  9125  		}
  9126  		v.reset(OpS390XMOVBstore)
  9127  		v.AuxInt = off1 + off2
  9128  		v.Aux = mergeSym(sym1, sym2)
  9129  		v.AddArg(base)
  9130  		v.AddArg(val)
  9131  		v.AddArg(mem)
  9132  		return true
  9133  	}
  9134  	// match: (MOVBstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
  9135  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  9136  	// result: (MOVBstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
  9137  	for {
  9138  		off1 := v.AuxInt
  9139  		sym1 := v.Aux
  9140  		v_0 := v.Args[0]
  9141  		if v_0.Op != OpS390XMOVDaddridx {
  9142  			break
  9143  		}
  9144  		off2 := v_0.AuxInt
  9145  		sym2 := v_0.Aux
  9146  		ptr := v_0.Args[0]
  9147  		idx := v_0.Args[1]
  9148  		val := v.Args[1]
  9149  		mem := v.Args[2]
  9150  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  9151  			break
  9152  		}
  9153  		v.reset(OpS390XMOVBstoreidx)
  9154  		v.AuxInt = off1 + off2
  9155  		v.Aux = mergeSym(sym1, sym2)
  9156  		v.AddArg(ptr)
  9157  		v.AddArg(idx)
  9158  		v.AddArg(val)
  9159  		v.AddArg(mem)
  9160  		return true
  9161  	}
  9162  	// match: (MOVBstore [off] {sym} (ADD ptr idx) val mem)
  9163  	// cond: ptr.Op != OpSB
  9164  	// result: (MOVBstoreidx [off] {sym} ptr idx val mem)
  9165  	for {
  9166  		off := v.AuxInt
  9167  		sym := v.Aux
  9168  		v_0 := v.Args[0]
  9169  		if v_0.Op != OpS390XADD {
  9170  			break
  9171  		}
  9172  		ptr := v_0.Args[0]
  9173  		idx := v_0.Args[1]
  9174  		val := v.Args[1]
  9175  		mem := v.Args[2]
  9176  		if !(ptr.Op != OpSB) {
  9177  			break
  9178  		}
  9179  		v.reset(OpS390XMOVBstoreidx)
  9180  		v.AuxInt = off
  9181  		v.Aux = sym
  9182  		v.AddArg(ptr)
  9183  		v.AddArg(idx)
  9184  		v.AddArg(val)
  9185  		v.AddArg(mem)
  9186  		return true
  9187  	}
  9188  	// match: (MOVBstore [i] {s} p w x:(MOVBstore [i-1] {s} p (SRDconst [8] w) mem))
  9189  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  9190  	// result: (MOVHstore [i-1] {s} p w mem)
  9191  	for {
  9192  		i := v.AuxInt
  9193  		s := v.Aux
  9194  		p := v.Args[0]
  9195  		w := v.Args[1]
  9196  		x := v.Args[2]
  9197  		if x.Op != OpS390XMOVBstore {
  9198  			break
  9199  		}
  9200  		if x.AuxInt != i-1 {
  9201  			break
  9202  		}
  9203  		if x.Aux != s {
  9204  			break
  9205  		}
  9206  		if p != x.Args[0] {
  9207  			break
  9208  		}
  9209  		x_1 := x.Args[1]
  9210  		if x_1.Op != OpS390XSRDconst {
  9211  			break
  9212  		}
  9213  		if x_1.AuxInt != 8 {
  9214  			break
  9215  		}
  9216  		if w != x_1.Args[0] {
  9217  			break
  9218  		}
  9219  		mem := x.Args[2]
  9220  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  9221  			break
  9222  		}
  9223  		v.reset(OpS390XMOVHstore)
  9224  		v.AuxInt = i - 1
  9225  		v.Aux = s
  9226  		v.AddArg(p)
  9227  		v.AddArg(w)
  9228  		v.AddArg(mem)
  9229  		return true
  9230  	}
  9231  	// match: (MOVBstore [i] {s} p w0:(SRDconst [j] w) x:(MOVBstore [i-1] {s} p (SRDconst [j+8] w) mem))
  9232  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  9233  	// result: (MOVHstore [i-1] {s} p w0 mem)
  9234  	for {
  9235  		i := v.AuxInt
  9236  		s := v.Aux
  9237  		p := v.Args[0]
  9238  		w0 := v.Args[1]
  9239  		if w0.Op != OpS390XSRDconst {
  9240  			break
  9241  		}
  9242  		j := w0.AuxInt
  9243  		w := w0.Args[0]
  9244  		x := v.Args[2]
  9245  		if x.Op != OpS390XMOVBstore {
  9246  			break
  9247  		}
  9248  		if x.AuxInt != i-1 {
  9249  			break
  9250  		}
  9251  		if x.Aux != s {
  9252  			break
  9253  		}
  9254  		if p != x.Args[0] {
  9255  			break
  9256  		}
  9257  		x_1 := x.Args[1]
  9258  		if x_1.Op != OpS390XSRDconst {
  9259  			break
  9260  		}
  9261  		if x_1.AuxInt != j+8 {
  9262  			break
  9263  		}
  9264  		if w != x_1.Args[0] {
  9265  			break
  9266  		}
  9267  		mem := x.Args[2]
  9268  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  9269  			break
  9270  		}
  9271  		v.reset(OpS390XMOVHstore)
  9272  		v.AuxInt = i - 1
  9273  		v.Aux = s
  9274  		v.AddArg(p)
  9275  		v.AddArg(w0)
  9276  		v.AddArg(mem)
  9277  		return true
  9278  	}
  9279  	// match: (MOVBstore [i] {s} p w x:(MOVBstore [i-1] {s} p (SRWconst [8] w) mem))
  9280  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  9281  	// result: (MOVHstore [i-1] {s} p w mem)
  9282  	for {
  9283  		i := v.AuxInt
  9284  		s := v.Aux
  9285  		p := v.Args[0]
  9286  		w := v.Args[1]
  9287  		x := v.Args[2]
  9288  		if x.Op != OpS390XMOVBstore {
  9289  			break
  9290  		}
  9291  		if x.AuxInt != i-1 {
  9292  			break
  9293  		}
  9294  		if x.Aux != s {
  9295  			break
  9296  		}
  9297  		if p != x.Args[0] {
  9298  			break
  9299  		}
  9300  		x_1 := x.Args[1]
  9301  		if x_1.Op != OpS390XSRWconst {
  9302  			break
  9303  		}
  9304  		if x_1.AuxInt != 8 {
  9305  			break
  9306  		}
  9307  		if w != x_1.Args[0] {
  9308  			break
  9309  		}
  9310  		mem := x.Args[2]
  9311  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  9312  			break
  9313  		}
  9314  		v.reset(OpS390XMOVHstore)
  9315  		v.AuxInt = i - 1
  9316  		v.Aux = s
  9317  		v.AddArg(p)
  9318  		v.AddArg(w)
  9319  		v.AddArg(mem)
  9320  		return true
  9321  	}
  9322  	// match: (MOVBstore [i] {s} p w0:(SRWconst [j] w) x:(MOVBstore [i-1] {s} p (SRWconst [j+8] w) mem))
  9323  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  9324  	// result: (MOVHstore [i-1] {s} p w0 mem)
  9325  	for {
  9326  		i := v.AuxInt
  9327  		s := v.Aux
  9328  		p := v.Args[0]
  9329  		w0 := v.Args[1]
  9330  		if w0.Op != OpS390XSRWconst {
  9331  			break
  9332  		}
  9333  		j := w0.AuxInt
  9334  		w := w0.Args[0]
  9335  		x := v.Args[2]
  9336  		if x.Op != OpS390XMOVBstore {
  9337  			break
  9338  		}
  9339  		if x.AuxInt != i-1 {
  9340  			break
  9341  		}
  9342  		if x.Aux != s {
  9343  			break
  9344  		}
  9345  		if p != x.Args[0] {
  9346  			break
  9347  		}
  9348  		x_1 := x.Args[1]
  9349  		if x_1.Op != OpS390XSRWconst {
  9350  			break
  9351  		}
  9352  		if x_1.AuxInt != j+8 {
  9353  			break
  9354  		}
  9355  		if w != x_1.Args[0] {
  9356  			break
  9357  		}
  9358  		mem := x.Args[2]
  9359  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  9360  			break
  9361  		}
  9362  		v.reset(OpS390XMOVHstore)
  9363  		v.AuxInt = i - 1
  9364  		v.Aux = s
  9365  		v.AddArg(p)
  9366  		v.AddArg(w0)
  9367  		v.AddArg(mem)
  9368  		return true
  9369  	}
  9370  	// match: (MOVBstore [i] {s} p (SRDconst [8] w) x:(MOVBstore [i-1] {s} p w mem))
  9371  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  9372  	// result: (MOVHBRstore [i-1] {s} p w mem)
  9373  	for {
  9374  		i := v.AuxInt
  9375  		s := v.Aux
  9376  		p := v.Args[0]
  9377  		v_1 := v.Args[1]
  9378  		if v_1.Op != OpS390XSRDconst {
  9379  			break
  9380  		}
  9381  		if v_1.AuxInt != 8 {
  9382  			break
  9383  		}
  9384  		w := v_1.Args[0]
  9385  		x := v.Args[2]
  9386  		if x.Op != OpS390XMOVBstore {
  9387  			break
  9388  		}
  9389  		if x.AuxInt != i-1 {
  9390  			break
  9391  		}
  9392  		if x.Aux != s {
  9393  			break
  9394  		}
  9395  		if p != x.Args[0] {
  9396  			break
  9397  		}
  9398  		if w != x.Args[1] {
  9399  			break
  9400  		}
  9401  		mem := x.Args[2]
  9402  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  9403  			break
  9404  		}
  9405  		v.reset(OpS390XMOVHBRstore)
  9406  		v.AuxInt = i - 1
  9407  		v.Aux = s
  9408  		v.AddArg(p)
  9409  		v.AddArg(w)
  9410  		v.AddArg(mem)
  9411  		return true
  9412  	}
  9413  	// match: (MOVBstore [i] {s} p (SRDconst [j] w) x:(MOVBstore [i-1] {s} p w0:(SRDconst [j-8] w) mem))
  9414  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  9415  	// result: (MOVHBRstore [i-1] {s} p w0 mem)
  9416  	for {
  9417  		i := v.AuxInt
  9418  		s := v.Aux
  9419  		p := v.Args[0]
  9420  		v_1 := v.Args[1]
  9421  		if v_1.Op != OpS390XSRDconst {
  9422  			break
  9423  		}
  9424  		j := v_1.AuxInt
  9425  		w := v_1.Args[0]
  9426  		x := v.Args[2]
  9427  		if x.Op != OpS390XMOVBstore {
  9428  			break
  9429  		}
  9430  		if x.AuxInt != i-1 {
  9431  			break
  9432  		}
  9433  		if x.Aux != s {
  9434  			break
  9435  		}
  9436  		if p != x.Args[0] {
  9437  			break
  9438  		}
  9439  		w0 := x.Args[1]
  9440  		if w0.Op != OpS390XSRDconst {
  9441  			break
  9442  		}
  9443  		if w0.AuxInt != j-8 {
  9444  			break
  9445  		}
  9446  		if w != w0.Args[0] {
  9447  			break
  9448  		}
  9449  		mem := x.Args[2]
  9450  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  9451  			break
  9452  		}
  9453  		v.reset(OpS390XMOVHBRstore)
  9454  		v.AuxInt = i - 1
  9455  		v.Aux = s
  9456  		v.AddArg(p)
  9457  		v.AddArg(w0)
  9458  		v.AddArg(mem)
  9459  		return true
  9460  	}
  9461  	// match: (MOVBstore [i] {s} p (SRWconst [8] w) x:(MOVBstore [i-1] {s} p w mem))
  9462  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  9463  	// result: (MOVHBRstore [i-1] {s} p w mem)
  9464  	for {
  9465  		i := v.AuxInt
  9466  		s := v.Aux
  9467  		p := v.Args[0]
  9468  		v_1 := v.Args[1]
  9469  		if v_1.Op != OpS390XSRWconst {
  9470  			break
  9471  		}
  9472  		if v_1.AuxInt != 8 {
  9473  			break
  9474  		}
  9475  		w := v_1.Args[0]
  9476  		x := v.Args[2]
  9477  		if x.Op != OpS390XMOVBstore {
  9478  			break
  9479  		}
  9480  		if x.AuxInt != i-1 {
  9481  			break
  9482  		}
  9483  		if x.Aux != s {
  9484  			break
  9485  		}
  9486  		if p != x.Args[0] {
  9487  			break
  9488  		}
  9489  		if w != x.Args[1] {
  9490  			break
  9491  		}
  9492  		mem := x.Args[2]
  9493  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  9494  			break
  9495  		}
  9496  		v.reset(OpS390XMOVHBRstore)
  9497  		v.AuxInt = i - 1
  9498  		v.Aux = s
  9499  		v.AddArg(p)
  9500  		v.AddArg(w)
  9501  		v.AddArg(mem)
  9502  		return true
  9503  	}
  9504  	// match: (MOVBstore [i] {s} p (SRWconst [j] w) x:(MOVBstore [i-1] {s} p w0:(SRWconst [j-8] w) mem))
  9505  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  9506  	// result: (MOVHBRstore [i-1] {s} p w0 mem)
  9507  	for {
  9508  		i := v.AuxInt
  9509  		s := v.Aux
  9510  		p := v.Args[0]
  9511  		v_1 := v.Args[1]
  9512  		if v_1.Op != OpS390XSRWconst {
  9513  			break
  9514  		}
  9515  		j := v_1.AuxInt
  9516  		w := v_1.Args[0]
  9517  		x := v.Args[2]
  9518  		if x.Op != OpS390XMOVBstore {
  9519  			break
  9520  		}
  9521  		if x.AuxInt != i-1 {
  9522  			break
  9523  		}
  9524  		if x.Aux != s {
  9525  			break
  9526  		}
  9527  		if p != x.Args[0] {
  9528  			break
  9529  		}
  9530  		w0 := x.Args[1]
  9531  		if w0.Op != OpS390XSRWconst {
  9532  			break
  9533  		}
  9534  		if w0.AuxInt != j-8 {
  9535  			break
  9536  		}
  9537  		if w != w0.Args[0] {
  9538  			break
  9539  		}
  9540  		mem := x.Args[2]
  9541  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  9542  			break
  9543  		}
  9544  		v.reset(OpS390XMOVHBRstore)
  9545  		v.AuxInt = i - 1
  9546  		v.Aux = s
  9547  		v.AddArg(p)
  9548  		v.AddArg(w0)
  9549  		v.AddArg(mem)
  9550  		return true
  9551  	}
  9552  	return false
  9553  }
  9554  func rewriteValueS390X_OpS390XMOVBstoreconst(v *Value) bool {
  9555  	// match: (MOVBstoreconst [sc] {s} (ADDconst [off] ptr) mem)
  9556  	// cond: ValAndOff(sc).canAdd(off)
  9557  	// result: (MOVBstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
  9558  	for {
  9559  		sc := v.AuxInt
  9560  		s := v.Aux
  9561  		v_0 := v.Args[0]
  9562  		if v_0.Op != OpS390XADDconst {
  9563  			break
  9564  		}
  9565  		off := v_0.AuxInt
  9566  		ptr := v_0.Args[0]
  9567  		mem := v.Args[1]
  9568  		if !(ValAndOff(sc).canAdd(off)) {
  9569  			break
  9570  		}
  9571  		v.reset(OpS390XMOVBstoreconst)
  9572  		v.AuxInt = ValAndOff(sc).add(off)
  9573  		v.Aux = s
  9574  		v.AddArg(ptr)
  9575  		v.AddArg(mem)
  9576  		return true
  9577  	}
  9578  	// match: (MOVBstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
  9579  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
  9580  	// result: (MOVBstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
  9581  	for {
  9582  		sc := v.AuxInt
  9583  		sym1 := v.Aux
  9584  		v_0 := v.Args[0]
  9585  		if v_0.Op != OpS390XMOVDaddr {
  9586  			break
  9587  		}
  9588  		off := v_0.AuxInt
  9589  		sym2 := v_0.Aux
  9590  		ptr := v_0.Args[0]
  9591  		mem := v.Args[1]
  9592  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
  9593  			break
  9594  		}
  9595  		v.reset(OpS390XMOVBstoreconst)
  9596  		v.AuxInt = ValAndOff(sc).add(off)
  9597  		v.Aux = mergeSym(sym1, sym2)
  9598  		v.AddArg(ptr)
  9599  		v.AddArg(mem)
  9600  		return true
  9601  	}
  9602  	// match: (MOVBstoreconst [c] {s} p x:(MOVBstoreconst [a] {s} p mem))
  9603  	// cond: p.Op != OpSB   && x.Uses == 1   && ValAndOff(a).Off() + 1 == ValAndOff(c).Off()   && clobber(x)
  9604  	// result: (MOVHstoreconst [makeValAndOff(ValAndOff(c).Val()&0xff | ValAndOff(a).Val()<<8, ValAndOff(a).Off())] {s} p mem)
  9605  	for {
  9606  		c := v.AuxInt
  9607  		s := v.Aux
  9608  		p := v.Args[0]
  9609  		x := v.Args[1]
  9610  		if x.Op != OpS390XMOVBstoreconst {
  9611  			break
  9612  		}
  9613  		a := x.AuxInt
  9614  		if x.Aux != s {
  9615  			break
  9616  		}
  9617  		if p != x.Args[0] {
  9618  			break
  9619  		}
  9620  		mem := x.Args[1]
  9621  		if !(p.Op != OpSB && x.Uses == 1 && ValAndOff(a).Off()+1 == ValAndOff(c).Off() && clobber(x)) {
  9622  			break
  9623  		}
  9624  		v.reset(OpS390XMOVHstoreconst)
  9625  		v.AuxInt = makeValAndOff(ValAndOff(c).Val()&0xff|ValAndOff(a).Val()<<8, ValAndOff(a).Off())
  9626  		v.Aux = s
  9627  		v.AddArg(p)
  9628  		v.AddArg(mem)
  9629  		return true
  9630  	}
  9631  	return false
  9632  }
  9633  func rewriteValueS390X_OpS390XMOVBstoreidx(v *Value) bool {
  9634  	// match: (MOVBstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
  9635  	// cond:
  9636  	// result: (MOVBstoreidx [c+d] {sym} ptr idx val mem)
  9637  	for {
  9638  		c := v.AuxInt
  9639  		sym := v.Aux
  9640  		v_0 := v.Args[0]
  9641  		if v_0.Op != OpS390XADDconst {
  9642  			break
  9643  		}
  9644  		d := v_0.AuxInt
  9645  		ptr := v_0.Args[0]
  9646  		idx := v.Args[1]
  9647  		val := v.Args[2]
  9648  		mem := v.Args[3]
  9649  		v.reset(OpS390XMOVBstoreidx)
  9650  		v.AuxInt = c + d
  9651  		v.Aux = sym
  9652  		v.AddArg(ptr)
  9653  		v.AddArg(idx)
  9654  		v.AddArg(val)
  9655  		v.AddArg(mem)
  9656  		return true
  9657  	}
  9658  	// match: (MOVBstoreidx [c] {sym} idx (ADDconst [d] ptr) val mem)
  9659  	// cond:
  9660  	// result: (MOVBstoreidx [c+d] {sym} ptr idx val mem)
  9661  	for {
  9662  		c := v.AuxInt
  9663  		sym := v.Aux
  9664  		idx := v.Args[0]
  9665  		v_1 := v.Args[1]
  9666  		if v_1.Op != OpS390XADDconst {
  9667  			break
  9668  		}
  9669  		d := v_1.AuxInt
  9670  		ptr := v_1.Args[0]
  9671  		val := v.Args[2]
  9672  		mem := v.Args[3]
  9673  		v.reset(OpS390XMOVBstoreidx)
  9674  		v.AuxInt = c + d
  9675  		v.Aux = sym
  9676  		v.AddArg(ptr)
  9677  		v.AddArg(idx)
  9678  		v.AddArg(val)
  9679  		v.AddArg(mem)
  9680  		return true
  9681  	}
  9682  	// match: (MOVBstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
  9683  	// cond:
  9684  	// result: (MOVBstoreidx [c+d] {sym} ptr idx val mem)
  9685  	for {
  9686  		c := v.AuxInt
  9687  		sym := v.Aux
  9688  		ptr := v.Args[0]
  9689  		v_1 := v.Args[1]
  9690  		if v_1.Op != OpS390XADDconst {
  9691  			break
  9692  		}
  9693  		d := v_1.AuxInt
  9694  		idx := v_1.Args[0]
  9695  		val := v.Args[2]
  9696  		mem := v.Args[3]
  9697  		v.reset(OpS390XMOVBstoreidx)
  9698  		v.AuxInt = c + d
  9699  		v.Aux = sym
  9700  		v.AddArg(ptr)
  9701  		v.AddArg(idx)
  9702  		v.AddArg(val)
  9703  		v.AddArg(mem)
  9704  		return true
  9705  	}
  9706  	// match: (MOVBstoreidx [c] {sym} (ADDconst [d] idx) ptr val mem)
  9707  	// cond:
  9708  	// result: (MOVBstoreidx [c+d] {sym} ptr idx val mem)
  9709  	for {
  9710  		c := v.AuxInt
  9711  		sym := v.Aux
  9712  		v_0 := v.Args[0]
  9713  		if v_0.Op != OpS390XADDconst {
  9714  			break
  9715  		}
  9716  		d := v_0.AuxInt
  9717  		idx := v_0.Args[0]
  9718  		ptr := v.Args[1]
  9719  		val := v.Args[2]
  9720  		mem := v.Args[3]
  9721  		v.reset(OpS390XMOVBstoreidx)
  9722  		v.AuxInt = c + d
  9723  		v.Aux = sym
  9724  		v.AddArg(ptr)
  9725  		v.AddArg(idx)
  9726  		v.AddArg(val)
  9727  		v.AddArg(mem)
  9728  		return true
  9729  	}
  9730  	// match: (MOVBstoreidx [i] {s} p idx w x:(MOVBstoreidx [i-1] {s} p idx (SRDconst [8] w) mem))
  9731  	// cond: x.Uses == 1   && clobber(x)
  9732  	// result: (MOVHstoreidx [i-1] {s} p idx w mem)
  9733  	for {
  9734  		i := v.AuxInt
  9735  		s := v.Aux
  9736  		p := v.Args[0]
  9737  		idx := v.Args[1]
  9738  		w := v.Args[2]
  9739  		x := v.Args[3]
  9740  		if x.Op != OpS390XMOVBstoreidx {
  9741  			break
  9742  		}
  9743  		if x.AuxInt != i-1 {
  9744  			break
  9745  		}
  9746  		if x.Aux != s {
  9747  			break
  9748  		}
  9749  		if p != x.Args[0] {
  9750  			break
  9751  		}
  9752  		if idx != x.Args[1] {
  9753  			break
  9754  		}
  9755  		x_2 := x.Args[2]
  9756  		if x_2.Op != OpS390XSRDconst {
  9757  			break
  9758  		}
  9759  		if x_2.AuxInt != 8 {
  9760  			break
  9761  		}
  9762  		if w != x_2.Args[0] {
  9763  			break
  9764  		}
  9765  		mem := x.Args[3]
  9766  		if !(x.Uses == 1 && clobber(x)) {
  9767  			break
  9768  		}
  9769  		v.reset(OpS390XMOVHstoreidx)
  9770  		v.AuxInt = i - 1
  9771  		v.Aux = s
  9772  		v.AddArg(p)
  9773  		v.AddArg(idx)
  9774  		v.AddArg(w)
  9775  		v.AddArg(mem)
  9776  		return true
  9777  	}
  9778  	// match: (MOVBstoreidx [i] {s} p idx w x:(MOVBstoreidx [i-1] {s} idx p (SRDconst [8] w) mem))
  9779  	// cond: x.Uses == 1   && clobber(x)
  9780  	// result: (MOVHstoreidx [i-1] {s} p idx w mem)
  9781  	for {
  9782  		i := v.AuxInt
  9783  		s := v.Aux
  9784  		p := v.Args[0]
  9785  		idx := v.Args[1]
  9786  		w := v.Args[2]
  9787  		x := v.Args[3]
  9788  		if x.Op != OpS390XMOVBstoreidx {
  9789  			break
  9790  		}
  9791  		if x.AuxInt != i-1 {
  9792  			break
  9793  		}
  9794  		if x.Aux != s {
  9795  			break
  9796  		}
  9797  		if idx != x.Args[0] {
  9798  			break
  9799  		}
  9800  		if p != x.Args[1] {
  9801  			break
  9802  		}
  9803  		x_2 := x.Args[2]
  9804  		if x_2.Op != OpS390XSRDconst {
  9805  			break
  9806  		}
  9807  		if x_2.AuxInt != 8 {
  9808  			break
  9809  		}
  9810  		if w != x_2.Args[0] {
  9811  			break
  9812  		}
  9813  		mem := x.Args[3]
  9814  		if !(x.Uses == 1 && clobber(x)) {
  9815  			break
  9816  		}
  9817  		v.reset(OpS390XMOVHstoreidx)
  9818  		v.AuxInt = i - 1
  9819  		v.Aux = s
  9820  		v.AddArg(p)
  9821  		v.AddArg(idx)
  9822  		v.AddArg(w)
  9823  		v.AddArg(mem)
  9824  		return true
  9825  	}
  9826  	// match: (MOVBstoreidx [i] {s} idx p w x:(MOVBstoreidx [i-1] {s} p idx (SRDconst [8] w) mem))
  9827  	// cond: x.Uses == 1   && clobber(x)
  9828  	// result: (MOVHstoreidx [i-1] {s} p idx w mem)
  9829  	for {
  9830  		i := v.AuxInt
  9831  		s := v.Aux
  9832  		idx := v.Args[0]
  9833  		p := v.Args[1]
  9834  		w := v.Args[2]
  9835  		x := v.Args[3]
  9836  		if x.Op != OpS390XMOVBstoreidx {
  9837  			break
  9838  		}
  9839  		if x.AuxInt != i-1 {
  9840  			break
  9841  		}
  9842  		if x.Aux != s {
  9843  			break
  9844  		}
  9845  		if p != x.Args[0] {
  9846  			break
  9847  		}
  9848  		if idx != x.Args[1] {
  9849  			break
  9850  		}
  9851  		x_2 := x.Args[2]
  9852  		if x_2.Op != OpS390XSRDconst {
  9853  			break
  9854  		}
  9855  		if x_2.AuxInt != 8 {
  9856  			break
  9857  		}
  9858  		if w != x_2.Args[0] {
  9859  			break
  9860  		}
  9861  		mem := x.Args[3]
  9862  		if !(x.Uses == 1 && clobber(x)) {
  9863  			break
  9864  		}
  9865  		v.reset(OpS390XMOVHstoreidx)
  9866  		v.AuxInt = i - 1
  9867  		v.Aux = s
  9868  		v.AddArg(p)
  9869  		v.AddArg(idx)
  9870  		v.AddArg(w)
  9871  		v.AddArg(mem)
  9872  		return true
  9873  	}
  9874  	// match: (MOVBstoreidx [i] {s} idx p w x:(MOVBstoreidx [i-1] {s} idx p (SRDconst [8] w) mem))
  9875  	// cond: x.Uses == 1   && clobber(x)
  9876  	// result: (MOVHstoreidx [i-1] {s} p idx w mem)
  9877  	for {
  9878  		i := v.AuxInt
  9879  		s := v.Aux
  9880  		idx := v.Args[0]
  9881  		p := v.Args[1]
  9882  		w := v.Args[2]
  9883  		x := v.Args[3]
  9884  		if x.Op != OpS390XMOVBstoreidx {
  9885  			break
  9886  		}
  9887  		if x.AuxInt != i-1 {
  9888  			break
  9889  		}
  9890  		if x.Aux != s {
  9891  			break
  9892  		}
  9893  		if idx != x.Args[0] {
  9894  			break
  9895  		}
  9896  		if p != x.Args[1] {
  9897  			break
  9898  		}
  9899  		x_2 := x.Args[2]
  9900  		if x_2.Op != OpS390XSRDconst {
  9901  			break
  9902  		}
  9903  		if x_2.AuxInt != 8 {
  9904  			break
  9905  		}
  9906  		if w != x_2.Args[0] {
  9907  			break
  9908  		}
  9909  		mem := x.Args[3]
  9910  		if !(x.Uses == 1 && clobber(x)) {
  9911  			break
  9912  		}
  9913  		v.reset(OpS390XMOVHstoreidx)
  9914  		v.AuxInt = i - 1
  9915  		v.Aux = s
  9916  		v.AddArg(p)
  9917  		v.AddArg(idx)
  9918  		v.AddArg(w)
  9919  		v.AddArg(mem)
  9920  		return true
  9921  	}
  9922  	// match: (MOVBstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx (SRDconst [j+8] w) mem))
  9923  	// cond: x.Uses == 1   && clobber(x)
  9924  	// result: (MOVHstoreidx [i-1] {s} p idx w0 mem)
  9925  	for {
  9926  		i := v.AuxInt
  9927  		s := v.Aux
  9928  		p := v.Args[0]
  9929  		idx := v.Args[1]
  9930  		w0 := v.Args[2]
  9931  		if w0.Op != OpS390XSRDconst {
  9932  			break
  9933  		}
  9934  		j := w0.AuxInt
  9935  		w := w0.Args[0]
  9936  		x := v.Args[3]
  9937  		if x.Op != OpS390XMOVBstoreidx {
  9938  			break
  9939  		}
  9940  		if x.AuxInt != i-1 {
  9941  			break
  9942  		}
  9943  		if x.Aux != s {
  9944  			break
  9945  		}
  9946  		if p != x.Args[0] {
  9947  			break
  9948  		}
  9949  		if idx != x.Args[1] {
  9950  			break
  9951  		}
  9952  		x_2 := x.Args[2]
  9953  		if x_2.Op != OpS390XSRDconst {
  9954  			break
  9955  		}
  9956  		if x_2.AuxInt != j+8 {
  9957  			break
  9958  		}
  9959  		if w != x_2.Args[0] {
  9960  			break
  9961  		}
  9962  		mem := x.Args[3]
  9963  		if !(x.Uses == 1 && clobber(x)) {
  9964  			break
  9965  		}
  9966  		v.reset(OpS390XMOVHstoreidx)
  9967  		v.AuxInt = i - 1
  9968  		v.Aux = s
  9969  		v.AddArg(p)
  9970  		v.AddArg(idx)
  9971  		v.AddArg(w0)
  9972  		v.AddArg(mem)
  9973  		return true
  9974  	}
  9975  	// match: (MOVBstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVBstoreidx [i-1] {s} idx p (SRDconst [j+8] w) mem))
  9976  	// cond: x.Uses == 1   && clobber(x)
  9977  	// result: (MOVHstoreidx [i-1] {s} p idx w0 mem)
  9978  	for {
  9979  		i := v.AuxInt
  9980  		s := v.Aux
  9981  		p := v.Args[0]
  9982  		idx := v.Args[1]
  9983  		w0 := v.Args[2]
  9984  		if w0.Op != OpS390XSRDconst {
  9985  			break
  9986  		}
  9987  		j := w0.AuxInt
  9988  		w := w0.Args[0]
  9989  		x := v.Args[3]
  9990  		if x.Op != OpS390XMOVBstoreidx {
  9991  			break
  9992  		}
  9993  		if x.AuxInt != i-1 {
  9994  			break
  9995  		}
  9996  		if x.Aux != s {
  9997  			break
  9998  		}
  9999  		if idx != x.Args[0] {
 10000  			break
 10001  		}
 10002  		if p != x.Args[1] {
 10003  			break
 10004  		}
 10005  		x_2 := x.Args[2]
 10006  		if x_2.Op != OpS390XSRDconst {
 10007  			break
 10008  		}
 10009  		if x_2.AuxInt != j+8 {
 10010  			break
 10011  		}
 10012  		if w != x_2.Args[0] {
 10013  			break
 10014  		}
 10015  		mem := x.Args[3]
 10016  		if !(x.Uses == 1 && clobber(x)) {
 10017  			break
 10018  		}
 10019  		v.reset(OpS390XMOVHstoreidx)
 10020  		v.AuxInt = i - 1
 10021  		v.Aux = s
 10022  		v.AddArg(p)
 10023  		v.AddArg(idx)
 10024  		v.AddArg(w0)
 10025  		v.AddArg(mem)
 10026  		return true
 10027  	}
 10028  	// match: (MOVBstoreidx [i] {s} idx p w0:(SRDconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx (SRDconst [j+8] w) mem))
 10029  	// cond: x.Uses == 1   && clobber(x)
 10030  	// result: (MOVHstoreidx [i-1] {s} p idx w0 mem)
 10031  	for {
 10032  		i := v.AuxInt
 10033  		s := v.Aux
 10034  		idx := v.Args[0]
 10035  		p := v.Args[1]
 10036  		w0 := v.Args[2]
 10037  		if w0.Op != OpS390XSRDconst {
 10038  			break
 10039  		}
 10040  		j := w0.AuxInt
 10041  		w := w0.Args[0]
 10042  		x := v.Args[3]
 10043  		if x.Op != OpS390XMOVBstoreidx {
 10044  			break
 10045  		}
 10046  		if x.AuxInt != i-1 {
 10047  			break
 10048  		}
 10049  		if x.Aux != s {
 10050  			break
 10051  		}
 10052  		if p != x.Args[0] {
 10053  			break
 10054  		}
 10055  		if idx != x.Args[1] {
 10056  			break
 10057  		}
 10058  		x_2 := x.Args[2]
 10059  		if x_2.Op != OpS390XSRDconst {
 10060  			break
 10061  		}
 10062  		if x_2.AuxInt != j+8 {
 10063  			break
 10064  		}
 10065  		if w != x_2.Args[0] {
 10066  			break
 10067  		}
 10068  		mem := x.Args[3]
 10069  		if !(x.Uses == 1 && clobber(x)) {
 10070  			break
 10071  		}
 10072  		v.reset(OpS390XMOVHstoreidx)
 10073  		v.AuxInt = i - 1
 10074  		v.Aux = s
 10075  		v.AddArg(p)
 10076  		v.AddArg(idx)
 10077  		v.AddArg(w0)
 10078  		v.AddArg(mem)
 10079  		return true
 10080  	}
 10081  	// match: (MOVBstoreidx [i] {s} idx p w0:(SRDconst [j] w) x:(MOVBstoreidx [i-1] {s} idx p (SRDconst [j+8] w) mem))
 10082  	// cond: x.Uses == 1   && clobber(x)
 10083  	// result: (MOVHstoreidx [i-1] {s} p idx w0 mem)
 10084  	for {
 10085  		i := v.AuxInt
 10086  		s := v.Aux
 10087  		idx := v.Args[0]
 10088  		p := v.Args[1]
 10089  		w0 := v.Args[2]
 10090  		if w0.Op != OpS390XSRDconst {
 10091  			break
 10092  		}
 10093  		j := w0.AuxInt
 10094  		w := w0.Args[0]
 10095  		x := v.Args[3]
 10096  		if x.Op != OpS390XMOVBstoreidx {
 10097  			break
 10098  		}
 10099  		if x.AuxInt != i-1 {
 10100  			break
 10101  		}
 10102  		if x.Aux != s {
 10103  			break
 10104  		}
 10105  		if idx != x.Args[0] {
 10106  			break
 10107  		}
 10108  		if p != x.Args[1] {
 10109  			break
 10110  		}
 10111  		x_2 := x.Args[2]
 10112  		if x_2.Op != OpS390XSRDconst {
 10113  			break
 10114  		}
 10115  		if x_2.AuxInt != j+8 {
 10116  			break
 10117  		}
 10118  		if w != x_2.Args[0] {
 10119  			break
 10120  		}
 10121  		mem := x.Args[3]
 10122  		if !(x.Uses == 1 && clobber(x)) {
 10123  			break
 10124  		}
 10125  		v.reset(OpS390XMOVHstoreidx)
 10126  		v.AuxInt = i - 1
 10127  		v.Aux = s
 10128  		v.AddArg(p)
 10129  		v.AddArg(idx)
 10130  		v.AddArg(w0)
 10131  		v.AddArg(mem)
 10132  		return true
 10133  	}
 10134  	// match: (MOVBstoreidx [i] {s} p idx w x:(MOVBstoreidx [i-1] {s} p idx (SRWconst [8] w) mem))
 10135  	// cond: x.Uses == 1   && clobber(x)
 10136  	// result: (MOVHstoreidx [i-1] {s} p idx w mem)
 10137  	for {
 10138  		i := v.AuxInt
 10139  		s := v.Aux
 10140  		p := v.Args[0]
 10141  		idx := v.Args[1]
 10142  		w := v.Args[2]
 10143  		x := v.Args[3]
 10144  		if x.Op != OpS390XMOVBstoreidx {
 10145  			break
 10146  		}
 10147  		if x.AuxInt != i-1 {
 10148  			break
 10149  		}
 10150  		if x.Aux != s {
 10151  			break
 10152  		}
 10153  		if p != x.Args[0] {
 10154  			break
 10155  		}
 10156  		if idx != x.Args[1] {
 10157  			break
 10158  		}
 10159  		x_2 := x.Args[2]
 10160  		if x_2.Op != OpS390XSRWconst {
 10161  			break
 10162  		}
 10163  		if x_2.AuxInt != 8 {
 10164  			break
 10165  		}
 10166  		if w != x_2.Args[0] {
 10167  			break
 10168  		}
 10169  		mem := x.Args[3]
 10170  		if !(x.Uses == 1 && clobber(x)) {
 10171  			break
 10172  		}
 10173  		v.reset(OpS390XMOVHstoreidx)
 10174  		v.AuxInt = i - 1
 10175  		v.Aux = s
 10176  		v.AddArg(p)
 10177  		v.AddArg(idx)
 10178  		v.AddArg(w)
 10179  		v.AddArg(mem)
 10180  		return true
 10181  	}
 10182  	// match: (MOVBstoreidx [i] {s} p idx w x:(MOVBstoreidx [i-1] {s} idx p (SRWconst [8] w) mem))
 10183  	// cond: x.Uses == 1   && clobber(x)
 10184  	// result: (MOVHstoreidx [i-1] {s} p idx w mem)
 10185  	for {
 10186  		i := v.AuxInt
 10187  		s := v.Aux
 10188  		p := v.Args[0]
 10189  		idx := v.Args[1]
 10190  		w := v.Args[2]
 10191  		x := v.Args[3]
 10192  		if x.Op != OpS390XMOVBstoreidx {
 10193  			break
 10194  		}
 10195  		if x.AuxInt != i-1 {
 10196  			break
 10197  		}
 10198  		if x.Aux != s {
 10199  			break
 10200  		}
 10201  		if idx != x.Args[0] {
 10202  			break
 10203  		}
 10204  		if p != x.Args[1] {
 10205  			break
 10206  		}
 10207  		x_2 := x.Args[2]
 10208  		if x_2.Op != OpS390XSRWconst {
 10209  			break
 10210  		}
 10211  		if x_2.AuxInt != 8 {
 10212  			break
 10213  		}
 10214  		if w != x_2.Args[0] {
 10215  			break
 10216  		}
 10217  		mem := x.Args[3]
 10218  		if !(x.Uses == 1 && clobber(x)) {
 10219  			break
 10220  		}
 10221  		v.reset(OpS390XMOVHstoreidx)
 10222  		v.AuxInt = i - 1
 10223  		v.Aux = s
 10224  		v.AddArg(p)
 10225  		v.AddArg(idx)
 10226  		v.AddArg(w)
 10227  		v.AddArg(mem)
 10228  		return true
 10229  	}
 10230  	// match: (MOVBstoreidx [i] {s} idx p w x:(MOVBstoreidx [i-1] {s} p idx (SRWconst [8] w) mem))
 10231  	// cond: x.Uses == 1   && clobber(x)
 10232  	// result: (MOVHstoreidx [i-1] {s} p idx w mem)
 10233  	for {
 10234  		i := v.AuxInt
 10235  		s := v.Aux
 10236  		idx := v.Args[0]
 10237  		p := v.Args[1]
 10238  		w := v.Args[2]
 10239  		x := v.Args[3]
 10240  		if x.Op != OpS390XMOVBstoreidx {
 10241  			break
 10242  		}
 10243  		if x.AuxInt != i-1 {
 10244  			break
 10245  		}
 10246  		if x.Aux != s {
 10247  			break
 10248  		}
 10249  		if p != x.Args[0] {
 10250  			break
 10251  		}
 10252  		if idx != x.Args[1] {
 10253  			break
 10254  		}
 10255  		x_2 := x.Args[2]
 10256  		if x_2.Op != OpS390XSRWconst {
 10257  			break
 10258  		}
 10259  		if x_2.AuxInt != 8 {
 10260  			break
 10261  		}
 10262  		if w != x_2.Args[0] {
 10263  			break
 10264  		}
 10265  		mem := x.Args[3]
 10266  		if !(x.Uses == 1 && clobber(x)) {
 10267  			break
 10268  		}
 10269  		v.reset(OpS390XMOVHstoreidx)
 10270  		v.AuxInt = i - 1
 10271  		v.Aux = s
 10272  		v.AddArg(p)
 10273  		v.AddArg(idx)
 10274  		v.AddArg(w)
 10275  		v.AddArg(mem)
 10276  		return true
 10277  	}
 10278  	// match: (MOVBstoreidx [i] {s} idx p w x:(MOVBstoreidx [i-1] {s} idx p (SRWconst [8] w) mem))
 10279  	// cond: x.Uses == 1   && clobber(x)
 10280  	// result: (MOVHstoreidx [i-1] {s} p idx w mem)
 10281  	for {
 10282  		i := v.AuxInt
 10283  		s := v.Aux
 10284  		idx := v.Args[0]
 10285  		p := v.Args[1]
 10286  		w := v.Args[2]
 10287  		x := v.Args[3]
 10288  		if x.Op != OpS390XMOVBstoreidx {
 10289  			break
 10290  		}
 10291  		if x.AuxInt != i-1 {
 10292  			break
 10293  		}
 10294  		if x.Aux != s {
 10295  			break
 10296  		}
 10297  		if idx != x.Args[0] {
 10298  			break
 10299  		}
 10300  		if p != x.Args[1] {
 10301  			break
 10302  		}
 10303  		x_2 := x.Args[2]
 10304  		if x_2.Op != OpS390XSRWconst {
 10305  			break
 10306  		}
 10307  		if x_2.AuxInt != 8 {
 10308  			break
 10309  		}
 10310  		if w != x_2.Args[0] {
 10311  			break
 10312  		}
 10313  		mem := x.Args[3]
 10314  		if !(x.Uses == 1 && clobber(x)) {
 10315  			break
 10316  		}
 10317  		v.reset(OpS390XMOVHstoreidx)
 10318  		v.AuxInt = i - 1
 10319  		v.Aux = s
 10320  		v.AddArg(p)
 10321  		v.AddArg(idx)
 10322  		v.AddArg(w)
 10323  		v.AddArg(mem)
 10324  		return true
 10325  	}
 10326  	// match: (MOVBstoreidx [i] {s} p idx w0:(SRWconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx (SRWconst [j+8] w) mem))
 10327  	// cond: x.Uses == 1   && clobber(x)
 10328  	// result: (MOVHstoreidx [i-1] {s} p idx w0 mem)
 10329  	for {
 10330  		i := v.AuxInt
 10331  		s := v.Aux
 10332  		p := v.Args[0]
 10333  		idx := v.Args[1]
 10334  		w0 := v.Args[2]
 10335  		if w0.Op != OpS390XSRWconst {
 10336  			break
 10337  		}
 10338  		j := w0.AuxInt
 10339  		w := w0.Args[0]
 10340  		x := v.Args[3]
 10341  		if x.Op != OpS390XMOVBstoreidx {
 10342  			break
 10343  		}
 10344  		if x.AuxInt != i-1 {
 10345  			break
 10346  		}
 10347  		if x.Aux != s {
 10348  			break
 10349  		}
 10350  		if p != x.Args[0] {
 10351  			break
 10352  		}
 10353  		if idx != x.Args[1] {
 10354  			break
 10355  		}
 10356  		x_2 := x.Args[2]
 10357  		if x_2.Op != OpS390XSRWconst {
 10358  			break
 10359  		}
 10360  		if x_2.AuxInt != j+8 {
 10361  			break
 10362  		}
 10363  		if w != x_2.Args[0] {
 10364  			break
 10365  		}
 10366  		mem := x.Args[3]
 10367  		if !(x.Uses == 1 && clobber(x)) {
 10368  			break
 10369  		}
 10370  		v.reset(OpS390XMOVHstoreidx)
 10371  		v.AuxInt = i - 1
 10372  		v.Aux = s
 10373  		v.AddArg(p)
 10374  		v.AddArg(idx)
 10375  		v.AddArg(w0)
 10376  		v.AddArg(mem)
 10377  		return true
 10378  	}
 10379  	// match: (MOVBstoreidx [i] {s} p idx w0:(SRWconst [j] w) x:(MOVBstoreidx [i-1] {s} idx p (SRWconst [j+8] w) mem))
 10380  	// cond: x.Uses == 1   && clobber(x)
 10381  	// result: (MOVHstoreidx [i-1] {s} p idx w0 mem)
 10382  	for {
 10383  		i := v.AuxInt
 10384  		s := v.Aux
 10385  		p := v.Args[0]
 10386  		idx := v.Args[1]
 10387  		w0 := v.Args[2]
 10388  		if w0.Op != OpS390XSRWconst {
 10389  			break
 10390  		}
 10391  		j := w0.AuxInt
 10392  		w := w0.Args[0]
 10393  		x := v.Args[3]
 10394  		if x.Op != OpS390XMOVBstoreidx {
 10395  			break
 10396  		}
 10397  		if x.AuxInt != i-1 {
 10398  			break
 10399  		}
 10400  		if x.Aux != s {
 10401  			break
 10402  		}
 10403  		if idx != x.Args[0] {
 10404  			break
 10405  		}
 10406  		if p != x.Args[1] {
 10407  			break
 10408  		}
 10409  		x_2 := x.Args[2]
 10410  		if x_2.Op != OpS390XSRWconst {
 10411  			break
 10412  		}
 10413  		if x_2.AuxInt != j+8 {
 10414  			break
 10415  		}
 10416  		if w != x_2.Args[0] {
 10417  			break
 10418  		}
 10419  		mem := x.Args[3]
 10420  		if !(x.Uses == 1 && clobber(x)) {
 10421  			break
 10422  		}
 10423  		v.reset(OpS390XMOVHstoreidx)
 10424  		v.AuxInt = i - 1
 10425  		v.Aux = s
 10426  		v.AddArg(p)
 10427  		v.AddArg(idx)
 10428  		v.AddArg(w0)
 10429  		v.AddArg(mem)
 10430  		return true
 10431  	}
 10432  	// match: (MOVBstoreidx [i] {s} idx p w0:(SRWconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx (SRWconst [j+8] w) mem))
 10433  	// cond: x.Uses == 1   && clobber(x)
 10434  	// result: (MOVHstoreidx [i-1] {s} p idx w0 mem)
 10435  	for {
 10436  		i := v.AuxInt
 10437  		s := v.Aux
 10438  		idx := v.Args[0]
 10439  		p := v.Args[1]
 10440  		w0 := v.Args[2]
 10441  		if w0.Op != OpS390XSRWconst {
 10442  			break
 10443  		}
 10444  		j := w0.AuxInt
 10445  		w := w0.Args[0]
 10446  		x := v.Args[3]
 10447  		if x.Op != OpS390XMOVBstoreidx {
 10448  			break
 10449  		}
 10450  		if x.AuxInt != i-1 {
 10451  			break
 10452  		}
 10453  		if x.Aux != s {
 10454  			break
 10455  		}
 10456  		if p != x.Args[0] {
 10457  			break
 10458  		}
 10459  		if idx != x.Args[1] {
 10460  			break
 10461  		}
 10462  		x_2 := x.Args[2]
 10463  		if x_2.Op != OpS390XSRWconst {
 10464  			break
 10465  		}
 10466  		if x_2.AuxInt != j+8 {
 10467  			break
 10468  		}
 10469  		if w != x_2.Args[0] {
 10470  			break
 10471  		}
 10472  		mem := x.Args[3]
 10473  		if !(x.Uses == 1 && clobber(x)) {
 10474  			break
 10475  		}
 10476  		v.reset(OpS390XMOVHstoreidx)
 10477  		v.AuxInt = i - 1
 10478  		v.Aux = s
 10479  		v.AddArg(p)
 10480  		v.AddArg(idx)
 10481  		v.AddArg(w0)
 10482  		v.AddArg(mem)
 10483  		return true
 10484  	}
 10485  	// match: (MOVBstoreidx [i] {s} idx p w0:(SRWconst [j] w) x:(MOVBstoreidx [i-1] {s} idx p (SRWconst [j+8] w) mem))
 10486  	// cond: x.Uses == 1   && clobber(x)
 10487  	// result: (MOVHstoreidx [i-1] {s} p idx w0 mem)
 10488  	for {
 10489  		i := v.AuxInt
 10490  		s := v.Aux
 10491  		idx := v.Args[0]
 10492  		p := v.Args[1]
 10493  		w0 := v.Args[2]
 10494  		if w0.Op != OpS390XSRWconst {
 10495  			break
 10496  		}
 10497  		j := w0.AuxInt
 10498  		w := w0.Args[0]
 10499  		x := v.Args[3]
 10500  		if x.Op != OpS390XMOVBstoreidx {
 10501  			break
 10502  		}
 10503  		if x.AuxInt != i-1 {
 10504  			break
 10505  		}
 10506  		if x.Aux != s {
 10507  			break
 10508  		}
 10509  		if idx != x.Args[0] {
 10510  			break
 10511  		}
 10512  		if p != x.Args[1] {
 10513  			break
 10514  		}
 10515  		x_2 := x.Args[2]
 10516  		if x_2.Op != OpS390XSRWconst {
 10517  			break
 10518  		}
 10519  		if x_2.AuxInt != j+8 {
 10520  			break
 10521  		}
 10522  		if w != x_2.Args[0] {
 10523  			break
 10524  		}
 10525  		mem := x.Args[3]
 10526  		if !(x.Uses == 1 && clobber(x)) {
 10527  			break
 10528  		}
 10529  		v.reset(OpS390XMOVHstoreidx)
 10530  		v.AuxInt = i - 1
 10531  		v.Aux = s
 10532  		v.AddArg(p)
 10533  		v.AddArg(idx)
 10534  		v.AddArg(w0)
 10535  		v.AddArg(mem)
 10536  		return true
 10537  	}
 10538  	// match: (MOVBstoreidx [i] {s} p idx (SRDconst [8] w) x:(MOVBstoreidx [i-1] {s} p idx w mem))
 10539  	// cond: x.Uses == 1   && clobber(x)
 10540  	// result: (MOVHBRstoreidx [i-1] {s} p idx w mem)
 10541  	for {
 10542  		i := v.AuxInt
 10543  		s := v.Aux
 10544  		p := v.Args[0]
 10545  		idx := v.Args[1]
 10546  		v_2 := v.Args[2]
 10547  		if v_2.Op != OpS390XSRDconst {
 10548  			break
 10549  		}
 10550  		if v_2.AuxInt != 8 {
 10551  			break
 10552  		}
 10553  		w := v_2.Args[0]
 10554  		x := v.Args[3]
 10555  		if x.Op != OpS390XMOVBstoreidx {
 10556  			break
 10557  		}
 10558  		if x.AuxInt != i-1 {
 10559  			break
 10560  		}
 10561  		if x.Aux != s {
 10562  			break
 10563  		}
 10564  		if p != x.Args[0] {
 10565  			break
 10566  		}
 10567  		if idx != x.Args[1] {
 10568  			break
 10569  		}
 10570  		if w != x.Args[2] {
 10571  			break
 10572  		}
 10573  		mem := x.Args[3]
 10574  		if !(x.Uses == 1 && clobber(x)) {
 10575  			break
 10576  		}
 10577  		v.reset(OpS390XMOVHBRstoreidx)
 10578  		v.AuxInt = i - 1
 10579  		v.Aux = s
 10580  		v.AddArg(p)
 10581  		v.AddArg(idx)
 10582  		v.AddArg(w)
 10583  		v.AddArg(mem)
 10584  		return true
 10585  	}
 10586  	// match: (MOVBstoreidx [i] {s} p idx (SRDconst [8] w) x:(MOVBstoreidx [i-1] {s} idx p w mem))
 10587  	// cond: x.Uses == 1   && clobber(x)
 10588  	// result: (MOVHBRstoreidx [i-1] {s} p idx w mem)
 10589  	for {
 10590  		i := v.AuxInt
 10591  		s := v.Aux
 10592  		p := v.Args[0]
 10593  		idx := v.Args[1]
 10594  		v_2 := v.Args[2]
 10595  		if v_2.Op != OpS390XSRDconst {
 10596  			break
 10597  		}
 10598  		if v_2.AuxInt != 8 {
 10599  			break
 10600  		}
 10601  		w := v_2.Args[0]
 10602  		x := v.Args[3]
 10603  		if x.Op != OpS390XMOVBstoreidx {
 10604  			break
 10605  		}
 10606  		if x.AuxInt != i-1 {
 10607  			break
 10608  		}
 10609  		if x.Aux != s {
 10610  			break
 10611  		}
 10612  		if idx != x.Args[0] {
 10613  			break
 10614  		}
 10615  		if p != x.Args[1] {
 10616  			break
 10617  		}
 10618  		if w != x.Args[2] {
 10619  			break
 10620  		}
 10621  		mem := x.Args[3]
 10622  		if !(x.Uses == 1 && clobber(x)) {
 10623  			break
 10624  		}
 10625  		v.reset(OpS390XMOVHBRstoreidx)
 10626  		v.AuxInt = i - 1
 10627  		v.Aux = s
 10628  		v.AddArg(p)
 10629  		v.AddArg(idx)
 10630  		v.AddArg(w)
 10631  		v.AddArg(mem)
 10632  		return true
 10633  	}
 10634  	// match: (MOVBstoreidx [i] {s} idx p (SRDconst [8] w) x:(MOVBstoreidx [i-1] {s} p idx w mem))
 10635  	// cond: x.Uses == 1   && clobber(x)
 10636  	// result: (MOVHBRstoreidx [i-1] {s} p idx w mem)
 10637  	for {
 10638  		i := v.AuxInt
 10639  		s := v.Aux
 10640  		idx := v.Args[0]
 10641  		p := v.Args[1]
 10642  		v_2 := v.Args[2]
 10643  		if v_2.Op != OpS390XSRDconst {
 10644  			break
 10645  		}
 10646  		if v_2.AuxInt != 8 {
 10647  			break
 10648  		}
 10649  		w := v_2.Args[0]
 10650  		x := v.Args[3]
 10651  		if x.Op != OpS390XMOVBstoreidx {
 10652  			break
 10653  		}
 10654  		if x.AuxInt != i-1 {
 10655  			break
 10656  		}
 10657  		if x.Aux != s {
 10658  			break
 10659  		}
 10660  		if p != x.Args[0] {
 10661  			break
 10662  		}
 10663  		if idx != x.Args[1] {
 10664  			break
 10665  		}
 10666  		if w != x.Args[2] {
 10667  			break
 10668  		}
 10669  		mem := x.Args[3]
 10670  		if !(x.Uses == 1 && clobber(x)) {
 10671  			break
 10672  		}
 10673  		v.reset(OpS390XMOVHBRstoreidx)
 10674  		v.AuxInt = i - 1
 10675  		v.Aux = s
 10676  		v.AddArg(p)
 10677  		v.AddArg(idx)
 10678  		v.AddArg(w)
 10679  		v.AddArg(mem)
 10680  		return true
 10681  	}
 10682  	// match: (MOVBstoreidx [i] {s} idx p (SRDconst [8] w) x:(MOVBstoreidx [i-1] {s} idx p w mem))
 10683  	// cond: x.Uses == 1   && clobber(x)
 10684  	// result: (MOVHBRstoreidx [i-1] {s} p idx w mem)
 10685  	for {
 10686  		i := v.AuxInt
 10687  		s := v.Aux
 10688  		idx := v.Args[0]
 10689  		p := v.Args[1]
 10690  		v_2 := v.Args[2]
 10691  		if v_2.Op != OpS390XSRDconst {
 10692  			break
 10693  		}
 10694  		if v_2.AuxInt != 8 {
 10695  			break
 10696  		}
 10697  		w := v_2.Args[0]
 10698  		x := v.Args[3]
 10699  		if x.Op != OpS390XMOVBstoreidx {
 10700  			break
 10701  		}
 10702  		if x.AuxInt != i-1 {
 10703  			break
 10704  		}
 10705  		if x.Aux != s {
 10706  			break
 10707  		}
 10708  		if idx != x.Args[0] {
 10709  			break
 10710  		}
 10711  		if p != x.Args[1] {
 10712  			break
 10713  		}
 10714  		if w != x.Args[2] {
 10715  			break
 10716  		}
 10717  		mem := x.Args[3]
 10718  		if !(x.Uses == 1 && clobber(x)) {
 10719  			break
 10720  		}
 10721  		v.reset(OpS390XMOVHBRstoreidx)
 10722  		v.AuxInt = i - 1
 10723  		v.Aux = s
 10724  		v.AddArg(p)
 10725  		v.AddArg(idx)
 10726  		v.AddArg(w)
 10727  		v.AddArg(mem)
 10728  		return true
 10729  	}
 10730  	// match: (MOVBstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx w0:(SRDconst [j-8] w) mem))
 10731  	// cond: x.Uses == 1   && clobber(x)
 10732  	// result: (MOVHBRstoreidx [i-1] {s} p idx w0 mem)
 10733  	for {
 10734  		i := v.AuxInt
 10735  		s := v.Aux
 10736  		p := v.Args[0]
 10737  		idx := v.Args[1]
 10738  		v_2 := v.Args[2]
 10739  		if v_2.Op != OpS390XSRDconst {
 10740  			break
 10741  		}
 10742  		j := v_2.AuxInt
 10743  		w := v_2.Args[0]
 10744  		x := v.Args[3]
 10745  		if x.Op != OpS390XMOVBstoreidx {
 10746  			break
 10747  		}
 10748  		if x.AuxInt != i-1 {
 10749  			break
 10750  		}
 10751  		if x.Aux != s {
 10752  			break
 10753  		}
 10754  		if p != x.Args[0] {
 10755  			break
 10756  		}
 10757  		if idx != x.Args[1] {
 10758  			break
 10759  		}
 10760  		w0 := x.Args[2]
 10761  		if w0.Op != OpS390XSRDconst {
 10762  			break
 10763  		}
 10764  		if w0.AuxInt != j-8 {
 10765  			break
 10766  		}
 10767  		if w != w0.Args[0] {
 10768  			break
 10769  		}
 10770  		mem := x.Args[3]
 10771  		if !(x.Uses == 1 && clobber(x)) {
 10772  			break
 10773  		}
 10774  		v.reset(OpS390XMOVHBRstoreidx)
 10775  		v.AuxInt = i - 1
 10776  		v.Aux = s
 10777  		v.AddArg(p)
 10778  		v.AddArg(idx)
 10779  		v.AddArg(w0)
 10780  		v.AddArg(mem)
 10781  		return true
 10782  	}
 10783  	// match: (MOVBstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVBstoreidx [i-1] {s} idx p w0:(SRDconst [j-8] w) mem))
 10784  	// cond: x.Uses == 1   && clobber(x)
 10785  	// result: (MOVHBRstoreidx [i-1] {s} p idx w0 mem)
 10786  	for {
 10787  		i := v.AuxInt
 10788  		s := v.Aux
 10789  		p := v.Args[0]
 10790  		idx := v.Args[1]
 10791  		v_2 := v.Args[2]
 10792  		if v_2.Op != OpS390XSRDconst {
 10793  			break
 10794  		}
 10795  		j := v_2.AuxInt
 10796  		w := v_2.Args[0]
 10797  		x := v.Args[3]
 10798  		if x.Op != OpS390XMOVBstoreidx {
 10799  			break
 10800  		}
 10801  		if x.AuxInt != i-1 {
 10802  			break
 10803  		}
 10804  		if x.Aux != s {
 10805  			break
 10806  		}
 10807  		if idx != x.Args[0] {
 10808  			break
 10809  		}
 10810  		if p != x.Args[1] {
 10811  			break
 10812  		}
 10813  		w0 := x.Args[2]
 10814  		if w0.Op != OpS390XSRDconst {
 10815  			break
 10816  		}
 10817  		if w0.AuxInt != j-8 {
 10818  			break
 10819  		}
 10820  		if w != w0.Args[0] {
 10821  			break
 10822  		}
 10823  		mem := x.Args[3]
 10824  		if !(x.Uses == 1 && clobber(x)) {
 10825  			break
 10826  		}
 10827  		v.reset(OpS390XMOVHBRstoreidx)
 10828  		v.AuxInt = i - 1
 10829  		v.Aux = s
 10830  		v.AddArg(p)
 10831  		v.AddArg(idx)
 10832  		v.AddArg(w0)
 10833  		v.AddArg(mem)
 10834  		return true
 10835  	}
 10836  	// match: (MOVBstoreidx [i] {s} idx p (SRDconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx w0:(SRDconst [j-8] w) mem))
 10837  	// cond: x.Uses == 1   && clobber(x)
 10838  	// result: (MOVHBRstoreidx [i-1] {s} p idx w0 mem)
 10839  	for {
 10840  		i := v.AuxInt
 10841  		s := v.Aux
 10842  		idx := v.Args[0]
 10843  		p := v.Args[1]
 10844  		v_2 := v.Args[2]
 10845  		if v_2.Op != OpS390XSRDconst {
 10846  			break
 10847  		}
 10848  		j := v_2.AuxInt
 10849  		w := v_2.Args[0]
 10850  		x := v.Args[3]
 10851  		if x.Op != OpS390XMOVBstoreidx {
 10852  			break
 10853  		}
 10854  		if x.AuxInt != i-1 {
 10855  			break
 10856  		}
 10857  		if x.Aux != s {
 10858  			break
 10859  		}
 10860  		if p != x.Args[0] {
 10861  			break
 10862  		}
 10863  		if idx != x.Args[1] {
 10864  			break
 10865  		}
 10866  		w0 := x.Args[2]
 10867  		if w0.Op != OpS390XSRDconst {
 10868  			break
 10869  		}
 10870  		if w0.AuxInt != j-8 {
 10871  			break
 10872  		}
 10873  		if w != w0.Args[0] {
 10874  			break
 10875  		}
 10876  		mem := x.Args[3]
 10877  		if !(x.Uses == 1 && clobber(x)) {
 10878  			break
 10879  		}
 10880  		v.reset(OpS390XMOVHBRstoreidx)
 10881  		v.AuxInt = i - 1
 10882  		v.Aux = s
 10883  		v.AddArg(p)
 10884  		v.AddArg(idx)
 10885  		v.AddArg(w0)
 10886  		v.AddArg(mem)
 10887  		return true
 10888  	}
 10889  	// match: (MOVBstoreidx [i] {s} idx p (SRDconst [j] w) x:(MOVBstoreidx [i-1] {s} idx p w0:(SRDconst [j-8] w) mem))
 10890  	// cond: x.Uses == 1   && clobber(x)
 10891  	// result: (MOVHBRstoreidx [i-1] {s} p idx w0 mem)
 10892  	for {
 10893  		i := v.AuxInt
 10894  		s := v.Aux
 10895  		idx := v.Args[0]
 10896  		p := v.Args[1]
 10897  		v_2 := v.Args[2]
 10898  		if v_2.Op != OpS390XSRDconst {
 10899  			break
 10900  		}
 10901  		j := v_2.AuxInt
 10902  		w := v_2.Args[0]
 10903  		x := v.Args[3]
 10904  		if x.Op != OpS390XMOVBstoreidx {
 10905  			break
 10906  		}
 10907  		if x.AuxInt != i-1 {
 10908  			break
 10909  		}
 10910  		if x.Aux != s {
 10911  			break
 10912  		}
 10913  		if idx != x.Args[0] {
 10914  			break
 10915  		}
 10916  		if p != x.Args[1] {
 10917  			break
 10918  		}
 10919  		w0 := x.Args[2]
 10920  		if w0.Op != OpS390XSRDconst {
 10921  			break
 10922  		}
 10923  		if w0.AuxInt != j-8 {
 10924  			break
 10925  		}
 10926  		if w != w0.Args[0] {
 10927  			break
 10928  		}
 10929  		mem := x.Args[3]
 10930  		if !(x.Uses == 1 && clobber(x)) {
 10931  			break
 10932  		}
 10933  		v.reset(OpS390XMOVHBRstoreidx)
 10934  		v.AuxInt = i - 1
 10935  		v.Aux = s
 10936  		v.AddArg(p)
 10937  		v.AddArg(idx)
 10938  		v.AddArg(w0)
 10939  		v.AddArg(mem)
 10940  		return true
 10941  	}
 10942  	// match: (MOVBstoreidx [i] {s} p idx (SRWconst [8] w) x:(MOVBstoreidx [i-1] {s} p idx w mem))
 10943  	// cond: x.Uses == 1   && clobber(x)
 10944  	// result: (MOVHBRstoreidx [i-1] {s} p idx w mem)
 10945  	for {
 10946  		i := v.AuxInt
 10947  		s := v.Aux
 10948  		p := v.Args[0]
 10949  		idx := v.Args[1]
 10950  		v_2 := v.Args[2]
 10951  		if v_2.Op != OpS390XSRWconst {
 10952  			break
 10953  		}
 10954  		if v_2.AuxInt != 8 {
 10955  			break
 10956  		}
 10957  		w := v_2.Args[0]
 10958  		x := v.Args[3]
 10959  		if x.Op != OpS390XMOVBstoreidx {
 10960  			break
 10961  		}
 10962  		if x.AuxInt != i-1 {
 10963  			break
 10964  		}
 10965  		if x.Aux != s {
 10966  			break
 10967  		}
 10968  		if p != x.Args[0] {
 10969  			break
 10970  		}
 10971  		if idx != x.Args[1] {
 10972  			break
 10973  		}
 10974  		if w != x.Args[2] {
 10975  			break
 10976  		}
 10977  		mem := x.Args[3]
 10978  		if !(x.Uses == 1 && clobber(x)) {
 10979  			break
 10980  		}
 10981  		v.reset(OpS390XMOVHBRstoreidx)
 10982  		v.AuxInt = i - 1
 10983  		v.Aux = s
 10984  		v.AddArg(p)
 10985  		v.AddArg(idx)
 10986  		v.AddArg(w)
 10987  		v.AddArg(mem)
 10988  		return true
 10989  	}
 10990  	// match: (MOVBstoreidx [i] {s} p idx (SRWconst [8] w) x:(MOVBstoreidx [i-1] {s} idx p w mem))
 10991  	// cond: x.Uses == 1   && clobber(x)
 10992  	// result: (MOVHBRstoreidx [i-1] {s} p idx w mem)
 10993  	for {
 10994  		i := v.AuxInt
 10995  		s := v.Aux
 10996  		p := v.Args[0]
 10997  		idx := v.Args[1]
 10998  		v_2 := v.Args[2]
 10999  		if v_2.Op != OpS390XSRWconst {
 11000  			break
 11001  		}
 11002  		if v_2.AuxInt != 8 {
 11003  			break
 11004  		}
 11005  		w := v_2.Args[0]
 11006  		x := v.Args[3]
 11007  		if x.Op != OpS390XMOVBstoreidx {
 11008  			break
 11009  		}
 11010  		if x.AuxInt != i-1 {
 11011  			break
 11012  		}
 11013  		if x.Aux != s {
 11014  			break
 11015  		}
 11016  		if idx != x.Args[0] {
 11017  			break
 11018  		}
 11019  		if p != x.Args[1] {
 11020  			break
 11021  		}
 11022  		if w != x.Args[2] {
 11023  			break
 11024  		}
 11025  		mem := x.Args[3]
 11026  		if !(x.Uses == 1 && clobber(x)) {
 11027  			break
 11028  		}
 11029  		v.reset(OpS390XMOVHBRstoreidx)
 11030  		v.AuxInt = i - 1
 11031  		v.Aux = s
 11032  		v.AddArg(p)
 11033  		v.AddArg(idx)
 11034  		v.AddArg(w)
 11035  		v.AddArg(mem)
 11036  		return true
 11037  	}
 11038  	// match: (MOVBstoreidx [i] {s} idx p (SRWconst [8] w) x:(MOVBstoreidx [i-1] {s} p idx w mem))
 11039  	// cond: x.Uses == 1   && clobber(x)
 11040  	// result: (MOVHBRstoreidx [i-1] {s} p idx w mem)
 11041  	for {
 11042  		i := v.AuxInt
 11043  		s := v.Aux
 11044  		idx := v.Args[0]
 11045  		p := v.Args[1]
 11046  		v_2 := v.Args[2]
 11047  		if v_2.Op != OpS390XSRWconst {
 11048  			break
 11049  		}
 11050  		if v_2.AuxInt != 8 {
 11051  			break
 11052  		}
 11053  		w := v_2.Args[0]
 11054  		x := v.Args[3]
 11055  		if x.Op != OpS390XMOVBstoreidx {
 11056  			break
 11057  		}
 11058  		if x.AuxInt != i-1 {
 11059  			break
 11060  		}
 11061  		if x.Aux != s {
 11062  			break
 11063  		}
 11064  		if p != x.Args[0] {
 11065  			break
 11066  		}
 11067  		if idx != x.Args[1] {
 11068  			break
 11069  		}
 11070  		if w != x.Args[2] {
 11071  			break
 11072  		}
 11073  		mem := x.Args[3]
 11074  		if !(x.Uses == 1 && clobber(x)) {
 11075  			break
 11076  		}
 11077  		v.reset(OpS390XMOVHBRstoreidx)
 11078  		v.AuxInt = i - 1
 11079  		v.Aux = s
 11080  		v.AddArg(p)
 11081  		v.AddArg(idx)
 11082  		v.AddArg(w)
 11083  		v.AddArg(mem)
 11084  		return true
 11085  	}
 11086  	// match: (MOVBstoreidx [i] {s} idx p (SRWconst [8] w) x:(MOVBstoreidx [i-1] {s} idx p w mem))
 11087  	// cond: x.Uses == 1   && clobber(x)
 11088  	// result: (MOVHBRstoreidx [i-1] {s} p idx w mem)
 11089  	for {
 11090  		i := v.AuxInt
 11091  		s := v.Aux
 11092  		idx := v.Args[0]
 11093  		p := v.Args[1]
 11094  		v_2 := v.Args[2]
 11095  		if v_2.Op != OpS390XSRWconst {
 11096  			break
 11097  		}
 11098  		if v_2.AuxInt != 8 {
 11099  			break
 11100  		}
 11101  		w := v_2.Args[0]
 11102  		x := v.Args[3]
 11103  		if x.Op != OpS390XMOVBstoreidx {
 11104  			break
 11105  		}
 11106  		if x.AuxInt != i-1 {
 11107  			break
 11108  		}
 11109  		if x.Aux != s {
 11110  			break
 11111  		}
 11112  		if idx != x.Args[0] {
 11113  			break
 11114  		}
 11115  		if p != x.Args[1] {
 11116  			break
 11117  		}
 11118  		if w != x.Args[2] {
 11119  			break
 11120  		}
 11121  		mem := x.Args[3]
 11122  		if !(x.Uses == 1 && clobber(x)) {
 11123  			break
 11124  		}
 11125  		v.reset(OpS390XMOVHBRstoreidx)
 11126  		v.AuxInt = i - 1
 11127  		v.Aux = s
 11128  		v.AddArg(p)
 11129  		v.AddArg(idx)
 11130  		v.AddArg(w)
 11131  		v.AddArg(mem)
 11132  		return true
 11133  	}
 11134  	// match: (MOVBstoreidx [i] {s} p idx (SRWconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx w0:(SRWconst [j-8] w) mem))
 11135  	// cond: x.Uses == 1   && clobber(x)
 11136  	// result: (MOVHBRstoreidx [i-1] {s} p idx w0 mem)
 11137  	for {
 11138  		i := v.AuxInt
 11139  		s := v.Aux
 11140  		p := v.Args[0]
 11141  		idx := v.Args[1]
 11142  		v_2 := v.Args[2]
 11143  		if v_2.Op != OpS390XSRWconst {
 11144  			break
 11145  		}
 11146  		j := v_2.AuxInt
 11147  		w := v_2.Args[0]
 11148  		x := v.Args[3]
 11149  		if x.Op != OpS390XMOVBstoreidx {
 11150  			break
 11151  		}
 11152  		if x.AuxInt != i-1 {
 11153  			break
 11154  		}
 11155  		if x.Aux != s {
 11156  			break
 11157  		}
 11158  		if p != x.Args[0] {
 11159  			break
 11160  		}
 11161  		if idx != x.Args[1] {
 11162  			break
 11163  		}
 11164  		w0 := x.Args[2]
 11165  		if w0.Op != OpS390XSRWconst {
 11166  			break
 11167  		}
 11168  		if w0.AuxInt != j-8 {
 11169  			break
 11170  		}
 11171  		if w != w0.Args[0] {
 11172  			break
 11173  		}
 11174  		mem := x.Args[3]
 11175  		if !(x.Uses == 1 && clobber(x)) {
 11176  			break
 11177  		}
 11178  		v.reset(OpS390XMOVHBRstoreidx)
 11179  		v.AuxInt = i - 1
 11180  		v.Aux = s
 11181  		v.AddArg(p)
 11182  		v.AddArg(idx)
 11183  		v.AddArg(w0)
 11184  		v.AddArg(mem)
 11185  		return true
 11186  	}
 11187  	// match: (MOVBstoreidx [i] {s} p idx (SRWconst [j] w) x:(MOVBstoreidx [i-1] {s} idx p w0:(SRWconst [j-8] w) mem))
 11188  	// cond: x.Uses == 1   && clobber(x)
 11189  	// result: (MOVHBRstoreidx [i-1] {s} p idx w0 mem)
 11190  	for {
 11191  		i := v.AuxInt
 11192  		s := v.Aux
 11193  		p := v.Args[0]
 11194  		idx := v.Args[1]
 11195  		v_2 := v.Args[2]
 11196  		if v_2.Op != OpS390XSRWconst {
 11197  			break
 11198  		}
 11199  		j := v_2.AuxInt
 11200  		w := v_2.Args[0]
 11201  		x := v.Args[3]
 11202  		if x.Op != OpS390XMOVBstoreidx {
 11203  			break
 11204  		}
 11205  		if x.AuxInt != i-1 {
 11206  			break
 11207  		}
 11208  		if x.Aux != s {
 11209  			break
 11210  		}
 11211  		if idx != x.Args[0] {
 11212  			break
 11213  		}
 11214  		if p != x.Args[1] {
 11215  			break
 11216  		}
 11217  		w0 := x.Args[2]
 11218  		if w0.Op != OpS390XSRWconst {
 11219  			break
 11220  		}
 11221  		if w0.AuxInt != j-8 {
 11222  			break
 11223  		}
 11224  		if w != w0.Args[0] {
 11225  			break
 11226  		}
 11227  		mem := x.Args[3]
 11228  		if !(x.Uses == 1 && clobber(x)) {
 11229  			break
 11230  		}
 11231  		v.reset(OpS390XMOVHBRstoreidx)
 11232  		v.AuxInt = i - 1
 11233  		v.Aux = s
 11234  		v.AddArg(p)
 11235  		v.AddArg(idx)
 11236  		v.AddArg(w0)
 11237  		v.AddArg(mem)
 11238  		return true
 11239  	}
 11240  	// match: (MOVBstoreidx [i] {s} idx p (SRWconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx w0:(SRWconst [j-8] w) mem))
 11241  	// cond: x.Uses == 1   && clobber(x)
 11242  	// result: (MOVHBRstoreidx [i-1] {s} p idx w0 mem)
 11243  	for {
 11244  		i := v.AuxInt
 11245  		s := v.Aux
 11246  		idx := v.Args[0]
 11247  		p := v.Args[1]
 11248  		v_2 := v.Args[2]
 11249  		if v_2.Op != OpS390XSRWconst {
 11250  			break
 11251  		}
 11252  		j := v_2.AuxInt
 11253  		w := v_2.Args[0]
 11254  		x := v.Args[3]
 11255  		if x.Op != OpS390XMOVBstoreidx {
 11256  			break
 11257  		}
 11258  		if x.AuxInt != i-1 {
 11259  			break
 11260  		}
 11261  		if x.Aux != s {
 11262  			break
 11263  		}
 11264  		if p != x.Args[0] {
 11265  			break
 11266  		}
 11267  		if idx != x.Args[1] {
 11268  			break
 11269  		}
 11270  		w0 := x.Args[2]
 11271  		if w0.Op != OpS390XSRWconst {
 11272  			break
 11273  		}
 11274  		if w0.AuxInt != j-8 {
 11275  			break
 11276  		}
 11277  		if w != w0.Args[0] {
 11278  			break
 11279  		}
 11280  		mem := x.Args[3]
 11281  		if !(x.Uses == 1 && clobber(x)) {
 11282  			break
 11283  		}
 11284  		v.reset(OpS390XMOVHBRstoreidx)
 11285  		v.AuxInt = i - 1
 11286  		v.Aux = s
 11287  		v.AddArg(p)
 11288  		v.AddArg(idx)
 11289  		v.AddArg(w0)
 11290  		v.AddArg(mem)
 11291  		return true
 11292  	}
 11293  	// match: (MOVBstoreidx [i] {s} idx p (SRWconst [j] w) x:(MOVBstoreidx [i-1] {s} idx p w0:(SRWconst [j-8] w) mem))
 11294  	// cond: x.Uses == 1   && clobber(x)
 11295  	// result: (MOVHBRstoreidx [i-1] {s} p idx w0 mem)
 11296  	for {
 11297  		i := v.AuxInt
 11298  		s := v.Aux
 11299  		idx := v.Args[0]
 11300  		p := v.Args[1]
 11301  		v_2 := v.Args[2]
 11302  		if v_2.Op != OpS390XSRWconst {
 11303  			break
 11304  		}
 11305  		j := v_2.AuxInt
 11306  		w := v_2.Args[0]
 11307  		x := v.Args[3]
 11308  		if x.Op != OpS390XMOVBstoreidx {
 11309  			break
 11310  		}
 11311  		if x.AuxInt != i-1 {
 11312  			break
 11313  		}
 11314  		if x.Aux != s {
 11315  			break
 11316  		}
 11317  		if idx != x.Args[0] {
 11318  			break
 11319  		}
 11320  		if p != x.Args[1] {
 11321  			break
 11322  		}
 11323  		w0 := x.Args[2]
 11324  		if w0.Op != OpS390XSRWconst {
 11325  			break
 11326  		}
 11327  		if w0.AuxInt != j-8 {
 11328  			break
 11329  		}
 11330  		if w != w0.Args[0] {
 11331  			break
 11332  		}
 11333  		mem := x.Args[3]
 11334  		if !(x.Uses == 1 && clobber(x)) {
 11335  			break
 11336  		}
 11337  		v.reset(OpS390XMOVHBRstoreidx)
 11338  		v.AuxInt = i - 1
 11339  		v.Aux = s
 11340  		v.AddArg(p)
 11341  		v.AddArg(idx)
 11342  		v.AddArg(w0)
 11343  		v.AddArg(mem)
 11344  		return true
 11345  	}
 11346  	return false
 11347  }
 11348  func rewriteValueS390X_OpS390XMOVDEQ(v *Value) bool {
 11349  	// match: (MOVDEQ x y (InvertFlags cmp))
 11350  	// cond:
 11351  	// result: (MOVDEQ x y cmp)
 11352  	for {
 11353  		x := v.Args[0]
 11354  		y := v.Args[1]
 11355  		v_2 := v.Args[2]
 11356  		if v_2.Op != OpS390XInvertFlags {
 11357  			break
 11358  		}
 11359  		cmp := v_2.Args[0]
 11360  		v.reset(OpS390XMOVDEQ)
 11361  		v.AddArg(x)
 11362  		v.AddArg(y)
 11363  		v.AddArg(cmp)
 11364  		return true
 11365  	}
 11366  	// match: (MOVDEQ _ x (FlagEQ))
 11367  	// cond:
 11368  	// result: x
 11369  	for {
 11370  		x := v.Args[1]
 11371  		v_2 := v.Args[2]
 11372  		if v_2.Op != OpS390XFlagEQ {
 11373  			break
 11374  		}
 11375  		v.reset(OpCopy)
 11376  		v.Type = x.Type
 11377  		v.AddArg(x)
 11378  		return true
 11379  	}
 11380  	// match: (MOVDEQ y _ (FlagLT))
 11381  	// cond:
 11382  	// result: y
 11383  	for {
 11384  		y := v.Args[0]
 11385  		v_2 := v.Args[2]
 11386  		if v_2.Op != OpS390XFlagLT {
 11387  			break
 11388  		}
 11389  		v.reset(OpCopy)
 11390  		v.Type = y.Type
 11391  		v.AddArg(y)
 11392  		return true
 11393  	}
 11394  	// match: (MOVDEQ y _ (FlagGT))
 11395  	// cond:
 11396  	// result: y
 11397  	for {
 11398  		y := v.Args[0]
 11399  		v_2 := v.Args[2]
 11400  		if v_2.Op != OpS390XFlagGT {
 11401  			break
 11402  		}
 11403  		v.reset(OpCopy)
 11404  		v.Type = y.Type
 11405  		v.AddArg(y)
 11406  		return true
 11407  	}
 11408  	return false
 11409  }
 11410  func rewriteValueS390X_OpS390XMOVDGE(v *Value) bool {
 11411  	// match: (MOVDGE x y (InvertFlags cmp))
 11412  	// cond:
 11413  	// result: (MOVDLE x y cmp)
 11414  	for {
 11415  		x := v.Args[0]
 11416  		y := v.Args[1]
 11417  		v_2 := v.Args[2]
 11418  		if v_2.Op != OpS390XInvertFlags {
 11419  			break
 11420  		}
 11421  		cmp := v_2.Args[0]
 11422  		v.reset(OpS390XMOVDLE)
 11423  		v.AddArg(x)
 11424  		v.AddArg(y)
 11425  		v.AddArg(cmp)
 11426  		return true
 11427  	}
 11428  	// match: (MOVDGE _ x (FlagEQ))
 11429  	// cond:
 11430  	// result: x
 11431  	for {
 11432  		x := v.Args[1]
 11433  		v_2 := v.Args[2]
 11434  		if v_2.Op != OpS390XFlagEQ {
 11435  			break
 11436  		}
 11437  		v.reset(OpCopy)
 11438  		v.Type = x.Type
 11439  		v.AddArg(x)
 11440  		return true
 11441  	}
 11442  	// match: (MOVDGE y _ (FlagLT))
 11443  	// cond:
 11444  	// result: y
 11445  	for {
 11446  		y := v.Args[0]
 11447  		v_2 := v.Args[2]
 11448  		if v_2.Op != OpS390XFlagLT {
 11449  			break
 11450  		}
 11451  		v.reset(OpCopy)
 11452  		v.Type = y.Type
 11453  		v.AddArg(y)
 11454  		return true
 11455  	}
 11456  	// match: (MOVDGE _ x (FlagGT))
 11457  	// cond:
 11458  	// result: x
 11459  	for {
 11460  		x := v.Args[1]
 11461  		v_2 := v.Args[2]
 11462  		if v_2.Op != OpS390XFlagGT {
 11463  			break
 11464  		}
 11465  		v.reset(OpCopy)
 11466  		v.Type = x.Type
 11467  		v.AddArg(x)
 11468  		return true
 11469  	}
 11470  	return false
 11471  }
 11472  func rewriteValueS390X_OpS390XMOVDGT(v *Value) bool {
 11473  	// match: (MOVDGT x y (InvertFlags cmp))
 11474  	// cond:
 11475  	// result: (MOVDLT x y cmp)
 11476  	for {
 11477  		x := v.Args[0]
 11478  		y := v.Args[1]
 11479  		v_2 := v.Args[2]
 11480  		if v_2.Op != OpS390XInvertFlags {
 11481  			break
 11482  		}
 11483  		cmp := v_2.Args[0]
 11484  		v.reset(OpS390XMOVDLT)
 11485  		v.AddArg(x)
 11486  		v.AddArg(y)
 11487  		v.AddArg(cmp)
 11488  		return true
 11489  	}
 11490  	// match: (MOVDGT y _ (FlagEQ))
 11491  	// cond:
 11492  	// result: y
 11493  	for {
 11494  		y := v.Args[0]
 11495  		v_2 := v.Args[2]
 11496  		if v_2.Op != OpS390XFlagEQ {
 11497  			break
 11498  		}
 11499  		v.reset(OpCopy)
 11500  		v.Type = y.Type
 11501  		v.AddArg(y)
 11502  		return true
 11503  	}
 11504  	// match: (MOVDGT y _ (FlagLT))
 11505  	// cond:
 11506  	// result: y
 11507  	for {
 11508  		y := v.Args[0]
 11509  		v_2 := v.Args[2]
 11510  		if v_2.Op != OpS390XFlagLT {
 11511  			break
 11512  		}
 11513  		v.reset(OpCopy)
 11514  		v.Type = y.Type
 11515  		v.AddArg(y)
 11516  		return true
 11517  	}
 11518  	// match: (MOVDGT _ x (FlagGT))
 11519  	// cond:
 11520  	// result: x
 11521  	for {
 11522  		x := v.Args[1]
 11523  		v_2 := v.Args[2]
 11524  		if v_2.Op != OpS390XFlagGT {
 11525  			break
 11526  		}
 11527  		v.reset(OpCopy)
 11528  		v.Type = x.Type
 11529  		v.AddArg(x)
 11530  		return true
 11531  	}
 11532  	return false
 11533  }
 11534  func rewriteValueS390X_OpS390XMOVDLE(v *Value) bool {
 11535  	// match: (MOVDLE x y (InvertFlags cmp))
 11536  	// cond:
 11537  	// result: (MOVDGE x y cmp)
 11538  	for {
 11539  		x := v.Args[0]
 11540  		y := v.Args[1]
 11541  		v_2 := v.Args[2]
 11542  		if v_2.Op != OpS390XInvertFlags {
 11543  			break
 11544  		}
 11545  		cmp := v_2.Args[0]
 11546  		v.reset(OpS390XMOVDGE)
 11547  		v.AddArg(x)
 11548  		v.AddArg(y)
 11549  		v.AddArg(cmp)
 11550  		return true
 11551  	}
 11552  	// match: (MOVDLE _ x (FlagEQ))
 11553  	// cond:
 11554  	// result: x
 11555  	for {
 11556  		x := v.Args[1]
 11557  		v_2 := v.Args[2]
 11558  		if v_2.Op != OpS390XFlagEQ {
 11559  			break
 11560  		}
 11561  		v.reset(OpCopy)
 11562  		v.Type = x.Type
 11563  		v.AddArg(x)
 11564  		return true
 11565  	}
 11566  	// match: (MOVDLE _ x (FlagLT))
 11567  	// cond:
 11568  	// result: x
 11569  	for {
 11570  		x := v.Args[1]
 11571  		v_2 := v.Args[2]
 11572  		if v_2.Op != OpS390XFlagLT {
 11573  			break
 11574  		}
 11575  		v.reset(OpCopy)
 11576  		v.Type = x.Type
 11577  		v.AddArg(x)
 11578  		return true
 11579  	}
 11580  	// match: (MOVDLE y _ (FlagGT))
 11581  	// cond:
 11582  	// result: y
 11583  	for {
 11584  		y := v.Args[0]
 11585  		v_2 := v.Args[2]
 11586  		if v_2.Op != OpS390XFlagGT {
 11587  			break
 11588  		}
 11589  		v.reset(OpCopy)
 11590  		v.Type = y.Type
 11591  		v.AddArg(y)
 11592  		return true
 11593  	}
 11594  	return false
 11595  }
 11596  func rewriteValueS390X_OpS390XMOVDLT(v *Value) bool {
 11597  	// match: (MOVDLT x y (InvertFlags cmp))
 11598  	// cond:
 11599  	// result: (MOVDGT x y cmp)
 11600  	for {
 11601  		x := v.Args[0]
 11602  		y := v.Args[1]
 11603  		v_2 := v.Args[2]
 11604  		if v_2.Op != OpS390XInvertFlags {
 11605  			break
 11606  		}
 11607  		cmp := v_2.Args[0]
 11608  		v.reset(OpS390XMOVDGT)
 11609  		v.AddArg(x)
 11610  		v.AddArg(y)
 11611  		v.AddArg(cmp)
 11612  		return true
 11613  	}
 11614  	// match: (MOVDLT y _ (FlagEQ))
 11615  	// cond:
 11616  	// result: y
 11617  	for {
 11618  		y := v.Args[0]
 11619  		v_2 := v.Args[2]
 11620  		if v_2.Op != OpS390XFlagEQ {
 11621  			break
 11622  		}
 11623  		v.reset(OpCopy)
 11624  		v.Type = y.Type
 11625  		v.AddArg(y)
 11626  		return true
 11627  	}
 11628  	// match: (MOVDLT _ x (FlagLT))
 11629  	// cond:
 11630  	// result: x
 11631  	for {
 11632  		x := v.Args[1]
 11633  		v_2 := v.Args[2]
 11634  		if v_2.Op != OpS390XFlagLT {
 11635  			break
 11636  		}
 11637  		v.reset(OpCopy)
 11638  		v.Type = x.Type
 11639  		v.AddArg(x)
 11640  		return true
 11641  	}
 11642  	// match: (MOVDLT y _ (FlagGT))
 11643  	// cond:
 11644  	// result: y
 11645  	for {
 11646  		y := v.Args[0]
 11647  		v_2 := v.Args[2]
 11648  		if v_2.Op != OpS390XFlagGT {
 11649  			break
 11650  		}
 11651  		v.reset(OpCopy)
 11652  		v.Type = y.Type
 11653  		v.AddArg(y)
 11654  		return true
 11655  	}
 11656  	return false
 11657  }
 11658  func rewriteValueS390X_OpS390XMOVDNE(v *Value) bool {
 11659  	// match: (MOVDNE x y (InvertFlags cmp))
 11660  	// cond:
 11661  	// result: (MOVDNE x y cmp)
 11662  	for {
 11663  		x := v.Args[0]
 11664  		y := v.Args[1]
 11665  		v_2 := v.Args[2]
 11666  		if v_2.Op != OpS390XInvertFlags {
 11667  			break
 11668  		}
 11669  		cmp := v_2.Args[0]
 11670  		v.reset(OpS390XMOVDNE)
 11671  		v.AddArg(x)
 11672  		v.AddArg(y)
 11673  		v.AddArg(cmp)
 11674  		return true
 11675  	}
 11676  	// match: (MOVDNE y _ (FlagEQ))
 11677  	// cond:
 11678  	// result: y
 11679  	for {
 11680  		y := v.Args[0]
 11681  		v_2 := v.Args[2]
 11682  		if v_2.Op != OpS390XFlagEQ {
 11683  			break
 11684  		}
 11685  		v.reset(OpCopy)
 11686  		v.Type = y.Type
 11687  		v.AddArg(y)
 11688  		return true
 11689  	}
 11690  	// match: (MOVDNE _ x (FlagLT))
 11691  	// cond:
 11692  	// result: x
 11693  	for {
 11694  		x := v.Args[1]
 11695  		v_2 := v.Args[2]
 11696  		if v_2.Op != OpS390XFlagLT {
 11697  			break
 11698  		}
 11699  		v.reset(OpCopy)
 11700  		v.Type = x.Type
 11701  		v.AddArg(x)
 11702  		return true
 11703  	}
 11704  	// match: (MOVDNE _ x (FlagGT))
 11705  	// cond:
 11706  	// result: x
 11707  	for {
 11708  		x := v.Args[1]
 11709  		v_2 := v.Args[2]
 11710  		if v_2.Op != OpS390XFlagGT {
 11711  			break
 11712  		}
 11713  		v.reset(OpCopy)
 11714  		v.Type = x.Type
 11715  		v.AddArg(x)
 11716  		return true
 11717  	}
 11718  	return false
 11719  }
 11720  func rewriteValueS390X_OpS390XMOVDaddridx(v *Value) bool {
 11721  	// match: (MOVDaddridx [c] {s} (ADDconst [d] x) y)
 11722  	// cond: is20Bit(c+d) && x.Op != OpSB
 11723  	// result: (MOVDaddridx [c+d] {s} x y)
 11724  	for {
 11725  		c := v.AuxInt
 11726  		s := v.Aux
 11727  		v_0 := v.Args[0]
 11728  		if v_0.Op != OpS390XADDconst {
 11729  			break
 11730  		}
 11731  		d := v_0.AuxInt
 11732  		x := v_0.Args[0]
 11733  		y := v.Args[1]
 11734  		if !(is20Bit(c+d) && x.Op != OpSB) {
 11735  			break
 11736  		}
 11737  		v.reset(OpS390XMOVDaddridx)
 11738  		v.AuxInt = c + d
 11739  		v.Aux = s
 11740  		v.AddArg(x)
 11741  		v.AddArg(y)
 11742  		return true
 11743  	}
 11744  	// match: (MOVDaddridx [c] {s} x (ADDconst [d] y))
 11745  	// cond: is20Bit(c+d) && y.Op != OpSB
 11746  	// result: (MOVDaddridx [c+d] {s} x y)
 11747  	for {
 11748  		c := v.AuxInt
 11749  		s := v.Aux
 11750  		x := v.Args[0]
 11751  		v_1 := v.Args[1]
 11752  		if v_1.Op != OpS390XADDconst {
 11753  			break
 11754  		}
 11755  		d := v_1.AuxInt
 11756  		y := v_1.Args[0]
 11757  		if !(is20Bit(c+d) && y.Op != OpSB) {
 11758  			break
 11759  		}
 11760  		v.reset(OpS390XMOVDaddridx)
 11761  		v.AuxInt = c + d
 11762  		v.Aux = s
 11763  		v.AddArg(x)
 11764  		v.AddArg(y)
 11765  		return true
 11766  	}
 11767  	// match: (MOVDaddridx [off1] {sym1} (MOVDaddr [off2] {sym2} x) y)
 11768  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2) && x.Op != OpSB
 11769  	// result: (MOVDaddridx [off1+off2] {mergeSym(sym1,sym2)} x y)
 11770  	for {
 11771  		off1 := v.AuxInt
 11772  		sym1 := v.Aux
 11773  		v_0 := v.Args[0]
 11774  		if v_0.Op != OpS390XMOVDaddr {
 11775  			break
 11776  		}
 11777  		off2 := v_0.AuxInt
 11778  		sym2 := v_0.Aux
 11779  		x := v_0.Args[0]
 11780  		y := v.Args[1]
 11781  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
 11782  			break
 11783  		}
 11784  		v.reset(OpS390XMOVDaddridx)
 11785  		v.AuxInt = off1 + off2
 11786  		v.Aux = mergeSym(sym1, sym2)
 11787  		v.AddArg(x)
 11788  		v.AddArg(y)
 11789  		return true
 11790  	}
 11791  	// match: (MOVDaddridx [off1] {sym1} x (MOVDaddr [off2] {sym2} y))
 11792  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2) && y.Op != OpSB
 11793  	// result: (MOVDaddridx [off1+off2] {mergeSym(sym1,sym2)} x y)
 11794  	for {
 11795  		off1 := v.AuxInt
 11796  		sym1 := v.Aux
 11797  		x := v.Args[0]
 11798  		v_1 := v.Args[1]
 11799  		if v_1.Op != OpS390XMOVDaddr {
 11800  			break
 11801  		}
 11802  		off2 := v_1.AuxInt
 11803  		sym2 := v_1.Aux
 11804  		y := v_1.Args[0]
 11805  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2) && y.Op != OpSB) {
 11806  			break
 11807  		}
 11808  		v.reset(OpS390XMOVDaddridx)
 11809  		v.AuxInt = off1 + off2
 11810  		v.Aux = mergeSym(sym1, sym2)
 11811  		v.AddArg(x)
 11812  		v.AddArg(y)
 11813  		return true
 11814  	}
 11815  	return false
 11816  }
 11817  func rewriteValueS390X_OpS390XMOVDload(v *Value) bool {
 11818  	// match: (MOVDload [off] {sym} ptr (MOVDstore [off2] {sym2} ptr2 x _))
 11819  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 11820  	// result: (MOVDreg x)
 11821  	for {
 11822  		off := v.AuxInt
 11823  		sym := v.Aux
 11824  		ptr := v.Args[0]
 11825  		v_1 := v.Args[1]
 11826  		if v_1.Op != OpS390XMOVDstore {
 11827  			break
 11828  		}
 11829  		off2 := v_1.AuxInt
 11830  		sym2 := v_1.Aux
 11831  		ptr2 := v_1.Args[0]
 11832  		x := v_1.Args[1]
 11833  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 11834  			break
 11835  		}
 11836  		v.reset(OpS390XMOVDreg)
 11837  		v.AddArg(x)
 11838  		return true
 11839  	}
 11840  	// match: (MOVDload [off1] {sym} (ADDconst [off2] ptr) mem)
 11841  	// cond: is20Bit(off1+off2)
 11842  	// result: (MOVDload  [off1+off2] {sym} ptr mem)
 11843  	for {
 11844  		off1 := v.AuxInt
 11845  		sym := v.Aux
 11846  		v_0 := v.Args[0]
 11847  		if v_0.Op != OpS390XADDconst {
 11848  			break
 11849  		}
 11850  		off2 := v_0.AuxInt
 11851  		ptr := v_0.Args[0]
 11852  		mem := v.Args[1]
 11853  		if !(is20Bit(off1 + off2)) {
 11854  			break
 11855  		}
 11856  		v.reset(OpS390XMOVDload)
 11857  		v.AuxInt = off1 + off2
 11858  		v.Aux = sym
 11859  		v.AddArg(ptr)
 11860  		v.AddArg(mem)
 11861  		return true
 11862  	}
 11863  	// match: (MOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 11864  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11865  	// result: (MOVDload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
 11866  	for {
 11867  		off1 := v.AuxInt
 11868  		sym1 := v.Aux
 11869  		v_0 := v.Args[0]
 11870  		if v_0.Op != OpS390XMOVDaddr {
 11871  			break
 11872  		}
 11873  		off2 := v_0.AuxInt
 11874  		sym2 := v_0.Aux
 11875  		base := v_0.Args[0]
 11876  		mem := v.Args[1]
 11877  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11878  			break
 11879  		}
 11880  		v.reset(OpS390XMOVDload)
 11881  		v.AuxInt = off1 + off2
 11882  		v.Aux = mergeSym(sym1, sym2)
 11883  		v.AddArg(base)
 11884  		v.AddArg(mem)
 11885  		return true
 11886  	}
 11887  	// match: (MOVDload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
 11888  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11889  	// result: (MOVDloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
 11890  	for {
 11891  		off1 := v.AuxInt
 11892  		sym1 := v.Aux
 11893  		v_0 := v.Args[0]
 11894  		if v_0.Op != OpS390XMOVDaddridx {
 11895  			break
 11896  		}
 11897  		off2 := v_0.AuxInt
 11898  		sym2 := v_0.Aux
 11899  		ptr := v_0.Args[0]
 11900  		idx := v_0.Args[1]
 11901  		mem := v.Args[1]
 11902  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11903  			break
 11904  		}
 11905  		v.reset(OpS390XMOVDloadidx)
 11906  		v.AuxInt = off1 + off2
 11907  		v.Aux = mergeSym(sym1, sym2)
 11908  		v.AddArg(ptr)
 11909  		v.AddArg(idx)
 11910  		v.AddArg(mem)
 11911  		return true
 11912  	}
 11913  	// match: (MOVDload [off] {sym} (ADD ptr idx) mem)
 11914  	// cond: ptr.Op != OpSB
 11915  	// result: (MOVDloadidx [off] {sym} ptr idx mem)
 11916  	for {
 11917  		off := v.AuxInt
 11918  		sym := v.Aux
 11919  		v_0 := v.Args[0]
 11920  		if v_0.Op != OpS390XADD {
 11921  			break
 11922  		}
 11923  		ptr := v_0.Args[0]
 11924  		idx := v_0.Args[1]
 11925  		mem := v.Args[1]
 11926  		if !(ptr.Op != OpSB) {
 11927  			break
 11928  		}
 11929  		v.reset(OpS390XMOVDloadidx)
 11930  		v.AuxInt = off
 11931  		v.Aux = sym
 11932  		v.AddArg(ptr)
 11933  		v.AddArg(idx)
 11934  		v.AddArg(mem)
 11935  		return true
 11936  	}
 11937  	return false
 11938  }
 11939  func rewriteValueS390X_OpS390XMOVDloadidx(v *Value) bool {
 11940  	// match: (MOVDloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
 11941  	// cond:
 11942  	// result: (MOVDloadidx [c+d] {sym} ptr idx mem)
 11943  	for {
 11944  		c := v.AuxInt
 11945  		sym := v.Aux
 11946  		v_0 := v.Args[0]
 11947  		if v_0.Op != OpS390XADDconst {
 11948  			break
 11949  		}
 11950  		d := v_0.AuxInt
 11951  		ptr := v_0.Args[0]
 11952  		idx := v.Args[1]
 11953  		mem := v.Args[2]
 11954  		v.reset(OpS390XMOVDloadidx)
 11955  		v.AuxInt = c + d
 11956  		v.Aux = sym
 11957  		v.AddArg(ptr)
 11958  		v.AddArg(idx)
 11959  		v.AddArg(mem)
 11960  		return true
 11961  	}
 11962  	// match: (MOVDloadidx [c] {sym} idx (ADDconst [d] ptr) mem)
 11963  	// cond:
 11964  	// result: (MOVDloadidx [c+d] {sym} ptr idx mem)
 11965  	for {
 11966  		c := v.AuxInt
 11967  		sym := v.Aux
 11968  		idx := v.Args[0]
 11969  		v_1 := v.Args[1]
 11970  		if v_1.Op != OpS390XADDconst {
 11971  			break
 11972  		}
 11973  		d := v_1.AuxInt
 11974  		ptr := v_1.Args[0]
 11975  		mem := v.Args[2]
 11976  		v.reset(OpS390XMOVDloadidx)
 11977  		v.AuxInt = c + d
 11978  		v.Aux = sym
 11979  		v.AddArg(ptr)
 11980  		v.AddArg(idx)
 11981  		v.AddArg(mem)
 11982  		return true
 11983  	}
 11984  	// match: (MOVDloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
 11985  	// cond:
 11986  	// result: (MOVDloadidx [c+d] {sym} ptr idx mem)
 11987  	for {
 11988  		c := v.AuxInt
 11989  		sym := v.Aux
 11990  		ptr := v.Args[0]
 11991  		v_1 := v.Args[1]
 11992  		if v_1.Op != OpS390XADDconst {
 11993  			break
 11994  		}
 11995  		d := v_1.AuxInt
 11996  		idx := v_1.Args[0]
 11997  		mem := v.Args[2]
 11998  		v.reset(OpS390XMOVDloadidx)
 11999  		v.AuxInt = c + d
 12000  		v.Aux = sym
 12001  		v.AddArg(ptr)
 12002  		v.AddArg(idx)
 12003  		v.AddArg(mem)
 12004  		return true
 12005  	}
 12006  	// match: (MOVDloadidx [c] {sym} (ADDconst [d] idx) ptr mem)
 12007  	// cond:
 12008  	// result: (MOVDloadidx [c+d] {sym} ptr idx mem)
 12009  	for {
 12010  		c := v.AuxInt
 12011  		sym := v.Aux
 12012  		v_0 := v.Args[0]
 12013  		if v_0.Op != OpS390XADDconst {
 12014  			break
 12015  		}
 12016  		d := v_0.AuxInt
 12017  		idx := v_0.Args[0]
 12018  		ptr := v.Args[1]
 12019  		mem := v.Args[2]
 12020  		v.reset(OpS390XMOVDloadidx)
 12021  		v.AuxInt = c + d
 12022  		v.Aux = sym
 12023  		v.AddArg(ptr)
 12024  		v.AddArg(idx)
 12025  		v.AddArg(mem)
 12026  		return true
 12027  	}
 12028  	return false
 12029  }
 12030  func rewriteValueS390X_OpS390XMOVDnop(v *Value) bool {
 12031  	b := v.Block
 12032  	_ = b
 12033  	// match: (MOVDnop <t> x)
 12034  	// cond: t.Compare(x.Type) == CMPeq
 12035  	// result: x
 12036  	for {
 12037  		t := v.Type
 12038  		x := v.Args[0]
 12039  		if !(t.Compare(x.Type) == CMPeq) {
 12040  			break
 12041  		}
 12042  		v.reset(OpCopy)
 12043  		v.Type = x.Type
 12044  		v.AddArg(x)
 12045  		return true
 12046  	}
 12047  	// match: (MOVDnop (MOVDconst [c]))
 12048  	// cond:
 12049  	// result: (MOVDconst [c])
 12050  	for {
 12051  		v_0 := v.Args[0]
 12052  		if v_0.Op != OpS390XMOVDconst {
 12053  			break
 12054  		}
 12055  		c := v_0.AuxInt
 12056  		v.reset(OpS390XMOVDconst)
 12057  		v.AuxInt = c
 12058  		return true
 12059  	}
 12060  	// match: (MOVDnop <t> x:(MOVBZload [off] {sym} ptr mem))
 12061  	// cond: x.Uses == 1 && clobber(x)
 12062  	// result: @x.Block (MOVBZload <t> [off] {sym} ptr mem)
 12063  	for {
 12064  		t := v.Type
 12065  		x := v.Args[0]
 12066  		if x.Op != OpS390XMOVBZload {
 12067  			break
 12068  		}
 12069  		off := x.AuxInt
 12070  		sym := x.Aux
 12071  		ptr := x.Args[0]
 12072  		mem := x.Args[1]
 12073  		if !(x.Uses == 1 && clobber(x)) {
 12074  			break
 12075  		}
 12076  		b = x.Block
 12077  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZload, t)
 12078  		v.reset(OpCopy)
 12079  		v.AddArg(v0)
 12080  		v0.AuxInt = off
 12081  		v0.Aux = sym
 12082  		v0.AddArg(ptr)
 12083  		v0.AddArg(mem)
 12084  		return true
 12085  	}
 12086  	// match: (MOVDnop <t> x:(MOVBload [off] {sym} ptr mem))
 12087  	// cond: x.Uses == 1 && clobber(x)
 12088  	// result: @x.Block (MOVBload  <t> [off] {sym} ptr mem)
 12089  	for {
 12090  		t := v.Type
 12091  		x := v.Args[0]
 12092  		if x.Op != OpS390XMOVBload {
 12093  			break
 12094  		}
 12095  		off := x.AuxInt
 12096  		sym := x.Aux
 12097  		ptr := x.Args[0]
 12098  		mem := x.Args[1]
 12099  		if !(x.Uses == 1 && clobber(x)) {
 12100  			break
 12101  		}
 12102  		b = x.Block
 12103  		v0 := b.NewValue0(v.Pos, OpS390XMOVBload, t)
 12104  		v.reset(OpCopy)
 12105  		v.AddArg(v0)
 12106  		v0.AuxInt = off
 12107  		v0.Aux = sym
 12108  		v0.AddArg(ptr)
 12109  		v0.AddArg(mem)
 12110  		return true
 12111  	}
 12112  	// match: (MOVDnop <t> x:(MOVHZload [off] {sym} ptr mem))
 12113  	// cond: x.Uses == 1 && clobber(x)
 12114  	// result: @x.Block (MOVHZload <t> [off] {sym} ptr mem)
 12115  	for {
 12116  		t := v.Type
 12117  		x := v.Args[0]
 12118  		if x.Op != OpS390XMOVHZload {
 12119  			break
 12120  		}
 12121  		off := x.AuxInt
 12122  		sym := x.Aux
 12123  		ptr := x.Args[0]
 12124  		mem := x.Args[1]
 12125  		if !(x.Uses == 1 && clobber(x)) {
 12126  			break
 12127  		}
 12128  		b = x.Block
 12129  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZload, t)
 12130  		v.reset(OpCopy)
 12131  		v.AddArg(v0)
 12132  		v0.AuxInt = off
 12133  		v0.Aux = sym
 12134  		v0.AddArg(ptr)
 12135  		v0.AddArg(mem)
 12136  		return true
 12137  	}
 12138  	// match: (MOVDnop <t> x:(MOVHload [off] {sym} ptr mem))
 12139  	// cond: x.Uses == 1 && clobber(x)
 12140  	// result: @x.Block (MOVHload  <t> [off] {sym} ptr mem)
 12141  	for {
 12142  		t := v.Type
 12143  		x := v.Args[0]
 12144  		if x.Op != OpS390XMOVHload {
 12145  			break
 12146  		}
 12147  		off := x.AuxInt
 12148  		sym := x.Aux
 12149  		ptr := x.Args[0]
 12150  		mem := x.Args[1]
 12151  		if !(x.Uses == 1 && clobber(x)) {
 12152  			break
 12153  		}
 12154  		b = x.Block
 12155  		v0 := b.NewValue0(v.Pos, OpS390XMOVHload, t)
 12156  		v.reset(OpCopy)
 12157  		v.AddArg(v0)
 12158  		v0.AuxInt = off
 12159  		v0.Aux = sym
 12160  		v0.AddArg(ptr)
 12161  		v0.AddArg(mem)
 12162  		return true
 12163  	}
 12164  	// match: (MOVDnop <t> x:(MOVWZload [off] {sym} ptr mem))
 12165  	// cond: x.Uses == 1 && clobber(x)
 12166  	// result: @x.Block (MOVWZload <t> [off] {sym} ptr mem)
 12167  	for {
 12168  		t := v.Type
 12169  		x := v.Args[0]
 12170  		if x.Op != OpS390XMOVWZload {
 12171  			break
 12172  		}
 12173  		off := x.AuxInt
 12174  		sym := x.Aux
 12175  		ptr := x.Args[0]
 12176  		mem := x.Args[1]
 12177  		if !(x.Uses == 1 && clobber(x)) {
 12178  			break
 12179  		}
 12180  		b = x.Block
 12181  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZload, t)
 12182  		v.reset(OpCopy)
 12183  		v.AddArg(v0)
 12184  		v0.AuxInt = off
 12185  		v0.Aux = sym
 12186  		v0.AddArg(ptr)
 12187  		v0.AddArg(mem)
 12188  		return true
 12189  	}
 12190  	// match: (MOVDnop <t> x:(MOVWload [off] {sym} ptr mem))
 12191  	// cond: x.Uses == 1 && clobber(x)
 12192  	// result: @x.Block (MOVWload  <t> [off] {sym} ptr mem)
 12193  	for {
 12194  		t := v.Type
 12195  		x := v.Args[0]
 12196  		if x.Op != OpS390XMOVWload {
 12197  			break
 12198  		}
 12199  		off := x.AuxInt
 12200  		sym := x.Aux
 12201  		ptr := x.Args[0]
 12202  		mem := x.Args[1]
 12203  		if !(x.Uses == 1 && clobber(x)) {
 12204  			break
 12205  		}
 12206  		b = x.Block
 12207  		v0 := b.NewValue0(v.Pos, OpS390XMOVWload, t)
 12208  		v.reset(OpCopy)
 12209  		v.AddArg(v0)
 12210  		v0.AuxInt = off
 12211  		v0.Aux = sym
 12212  		v0.AddArg(ptr)
 12213  		v0.AddArg(mem)
 12214  		return true
 12215  	}
 12216  	// match: (MOVDnop <t> x:(MOVDload [off] {sym} ptr mem))
 12217  	// cond: x.Uses == 1 && clobber(x)
 12218  	// result: @x.Block (MOVDload  <t> [off] {sym} ptr mem)
 12219  	for {
 12220  		t := v.Type
 12221  		x := v.Args[0]
 12222  		if x.Op != OpS390XMOVDload {
 12223  			break
 12224  		}
 12225  		off := x.AuxInt
 12226  		sym := x.Aux
 12227  		ptr := x.Args[0]
 12228  		mem := x.Args[1]
 12229  		if !(x.Uses == 1 && clobber(x)) {
 12230  			break
 12231  		}
 12232  		b = x.Block
 12233  		v0 := b.NewValue0(v.Pos, OpS390XMOVDload, t)
 12234  		v.reset(OpCopy)
 12235  		v.AddArg(v0)
 12236  		v0.AuxInt = off
 12237  		v0.Aux = sym
 12238  		v0.AddArg(ptr)
 12239  		v0.AddArg(mem)
 12240  		return true
 12241  	}
 12242  	// match: (MOVDnop <t> x:(MOVBZloadidx [off] {sym} ptr idx mem))
 12243  	// cond: x.Uses == 1 && clobber(x)
 12244  	// result: @x.Block (MOVBZloadidx <t> [off] {sym} ptr idx mem)
 12245  	for {
 12246  		t := v.Type
 12247  		x := v.Args[0]
 12248  		if x.Op != OpS390XMOVBZloadidx {
 12249  			break
 12250  		}
 12251  		off := x.AuxInt
 12252  		sym := x.Aux
 12253  		ptr := x.Args[0]
 12254  		idx := x.Args[1]
 12255  		mem := x.Args[2]
 12256  		if !(x.Uses == 1 && clobber(x)) {
 12257  			break
 12258  		}
 12259  		b = x.Block
 12260  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZloadidx, t)
 12261  		v.reset(OpCopy)
 12262  		v.AddArg(v0)
 12263  		v0.AuxInt = off
 12264  		v0.Aux = sym
 12265  		v0.AddArg(ptr)
 12266  		v0.AddArg(idx)
 12267  		v0.AddArg(mem)
 12268  		return true
 12269  	}
 12270  	// match: (MOVDnop <t> x:(MOVHZloadidx [off] {sym} ptr idx mem))
 12271  	// cond: x.Uses == 1 && clobber(x)
 12272  	// result: @x.Block (MOVHZloadidx <t> [off] {sym} ptr idx mem)
 12273  	for {
 12274  		t := v.Type
 12275  		x := v.Args[0]
 12276  		if x.Op != OpS390XMOVHZloadidx {
 12277  			break
 12278  		}
 12279  		off := x.AuxInt
 12280  		sym := x.Aux
 12281  		ptr := x.Args[0]
 12282  		idx := x.Args[1]
 12283  		mem := x.Args[2]
 12284  		if !(x.Uses == 1 && clobber(x)) {
 12285  			break
 12286  		}
 12287  		b = x.Block
 12288  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, t)
 12289  		v.reset(OpCopy)
 12290  		v.AddArg(v0)
 12291  		v0.AuxInt = off
 12292  		v0.Aux = sym
 12293  		v0.AddArg(ptr)
 12294  		v0.AddArg(idx)
 12295  		v0.AddArg(mem)
 12296  		return true
 12297  	}
 12298  	// match: (MOVDnop <t> x:(MOVWZloadidx [off] {sym} ptr idx mem))
 12299  	// cond: x.Uses == 1 && clobber(x)
 12300  	// result: @x.Block (MOVWZloadidx <t> [off] {sym} ptr idx mem)
 12301  	for {
 12302  		t := v.Type
 12303  		x := v.Args[0]
 12304  		if x.Op != OpS390XMOVWZloadidx {
 12305  			break
 12306  		}
 12307  		off := x.AuxInt
 12308  		sym := x.Aux
 12309  		ptr := x.Args[0]
 12310  		idx := x.Args[1]
 12311  		mem := x.Args[2]
 12312  		if !(x.Uses == 1 && clobber(x)) {
 12313  			break
 12314  		}
 12315  		b = x.Block
 12316  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, t)
 12317  		v.reset(OpCopy)
 12318  		v.AddArg(v0)
 12319  		v0.AuxInt = off
 12320  		v0.Aux = sym
 12321  		v0.AddArg(ptr)
 12322  		v0.AddArg(idx)
 12323  		v0.AddArg(mem)
 12324  		return true
 12325  	}
 12326  	// match: (MOVDnop <t> x:(MOVDloadidx [off] {sym} ptr idx mem))
 12327  	// cond: x.Uses == 1 && clobber(x)
 12328  	// result: @x.Block (MOVDloadidx  <t> [off] {sym} ptr idx mem)
 12329  	for {
 12330  		t := v.Type
 12331  		x := v.Args[0]
 12332  		if x.Op != OpS390XMOVDloadidx {
 12333  			break
 12334  		}
 12335  		off := x.AuxInt
 12336  		sym := x.Aux
 12337  		ptr := x.Args[0]
 12338  		idx := x.Args[1]
 12339  		mem := x.Args[2]
 12340  		if !(x.Uses == 1 && clobber(x)) {
 12341  			break
 12342  		}
 12343  		b = x.Block
 12344  		v0 := b.NewValue0(v.Pos, OpS390XMOVDloadidx, t)
 12345  		v.reset(OpCopy)
 12346  		v.AddArg(v0)
 12347  		v0.AuxInt = off
 12348  		v0.Aux = sym
 12349  		v0.AddArg(ptr)
 12350  		v0.AddArg(idx)
 12351  		v0.AddArg(mem)
 12352  		return true
 12353  	}
 12354  	return false
 12355  }
 12356  func rewriteValueS390X_OpS390XMOVDreg(v *Value) bool {
 12357  	b := v.Block
 12358  	_ = b
 12359  	// match: (MOVDreg <t> x)
 12360  	// cond: t.Compare(x.Type) == CMPeq
 12361  	// result: x
 12362  	for {
 12363  		t := v.Type
 12364  		x := v.Args[0]
 12365  		if !(t.Compare(x.Type) == CMPeq) {
 12366  			break
 12367  		}
 12368  		v.reset(OpCopy)
 12369  		v.Type = x.Type
 12370  		v.AddArg(x)
 12371  		return true
 12372  	}
 12373  	// match: (MOVDreg (MOVDconst [c]))
 12374  	// cond:
 12375  	// result: (MOVDconst [c])
 12376  	for {
 12377  		v_0 := v.Args[0]
 12378  		if v_0.Op != OpS390XMOVDconst {
 12379  			break
 12380  		}
 12381  		c := v_0.AuxInt
 12382  		v.reset(OpS390XMOVDconst)
 12383  		v.AuxInt = c
 12384  		return true
 12385  	}
 12386  	// match: (MOVDreg x)
 12387  	// cond: x.Uses == 1
 12388  	// result: (MOVDnop x)
 12389  	for {
 12390  		x := v.Args[0]
 12391  		if !(x.Uses == 1) {
 12392  			break
 12393  		}
 12394  		v.reset(OpS390XMOVDnop)
 12395  		v.AddArg(x)
 12396  		return true
 12397  	}
 12398  	// match: (MOVDreg <t> x:(MOVBZload [off] {sym} ptr mem))
 12399  	// cond: x.Uses == 1 && clobber(x)
 12400  	// result: @x.Block (MOVBZload <t> [off] {sym} ptr mem)
 12401  	for {
 12402  		t := v.Type
 12403  		x := v.Args[0]
 12404  		if x.Op != OpS390XMOVBZload {
 12405  			break
 12406  		}
 12407  		off := x.AuxInt
 12408  		sym := x.Aux
 12409  		ptr := x.Args[0]
 12410  		mem := x.Args[1]
 12411  		if !(x.Uses == 1 && clobber(x)) {
 12412  			break
 12413  		}
 12414  		b = x.Block
 12415  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZload, t)
 12416  		v.reset(OpCopy)
 12417  		v.AddArg(v0)
 12418  		v0.AuxInt = off
 12419  		v0.Aux = sym
 12420  		v0.AddArg(ptr)
 12421  		v0.AddArg(mem)
 12422  		return true
 12423  	}
 12424  	// match: (MOVDreg <t> x:(MOVBload [off] {sym} ptr mem))
 12425  	// cond: x.Uses == 1 && clobber(x)
 12426  	// result: @x.Block (MOVBload  <t> [off] {sym} ptr mem)
 12427  	for {
 12428  		t := v.Type
 12429  		x := v.Args[0]
 12430  		if x.Op != OpS390XMOVBload {
 12431  			break
 12432  		}
 12433  		off := x.AuxInt
 12434  		sym := x.Aux
 12435  		ptr := x.Args[0]
 12436  		mem := x.Args[1]
 12437  		if !(x.Uses == 1 && clobber(x)) {
 12438  			break
 12439  		}
 12440  		b = x.Block
 12441  		v0 := b.NewValue0(v.Pos, OpS390XMOVBload, t)
 12442  		v.reset(OpCopy)
 12443  		v.AddArg(v0)
 12444  		v0.AuxInt = off
 12445  		v0.Aux = sym
 12446  		v0.AddArg(ptr)
 12447  		v0.AddArg(mem)
 12448  		return true
 12449  	}
 12450  	// match: (MOVDreg <t> x:(MOVHZload [off] {sym} ptr mem))
 12451  	// cond: x.Uses == 1 && clobber(x)
 12452  	// result: @x.Block (MOVHZload <t> [off] {sym} ptr mem)
 12453  	for {
 12454  		t := v.Type
 12455  		x := v.Args[0]
 12456  		if x.Op != OpS390XMOVHZload {
 12457  			break
 12458  		}
 12459  		off := x.AuxInt
 12460  		sym := x.Aux
 12461  		ptr := x.Args[0]
 12462  		mem := x.Args[1]
 12463  		if !(x.Uses == 1 && clobber(x)) {
 12464  			break
 12465  		}
 12466  		b = x.Block
 12467  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZload, t)
 12468  		v.reset(OpCopy)
 12469  		v.AddArg(v0)
 12470  		v0.AuxInt = off
 12471  		v0.Aux = sym
 12472  		v0.AddArg(ptr)
 12473  		v0.AddArg(mem)
 12474  		return true
 12475  	}
 12476  	// match: (MOVDreg <t> x:(MOVHload [off] {sym} ptr mem))
 12477  	// cond: x.Uses == 1 && clobber(x)
 12478  	// result: @x.Block (MOVHload  <t> [off] {sym} ptr mem)
 12479  	for {
 12480  		t := v.Type
 12481  		x := v.Args[0]
 12482  		if x.Op != OpS390XMOVHload {
 12483  			break
 12484  		}
 12485  		off := x.AuxInt
 12486  		sym := x.Aux
 12487  		ptr := x.Args[0]
 12488  		mem := x.Args[1]
 12489  		if !(x.Uses == 1 && clobber(x)) {
 12490  			break
 12491  		}
 12492  		b = x.Block
 12493  		v0 := b.NewValue0(v.Pos, OpS390XMOVHload, t)
 12494  		v.reset(OpCopy)
 12495  		v.AddArg(v0)
 12496  		v0.AuxInt = off
 12497  		v0.Aux = sym
 12498  		v0.AddArg(ptr)
 12499  		v0.AddArg(mem)
 12500  		return true
 12501  	}
 12502  	// match: (MOVDreg <t> x:(MOVWZload [off] {sym} ptr mem))
 12503  	// cond: x.Uses == 1 && clobber(x)
 12504  	// result: @x.Block (MOVWZload <t> [off] {sym} ptr mem)
 12505  	for {
 12506  		t := v.Type
 12507  		x := v.Args[0]
 12508  		if x.Op != OpS390XMOVWZload {
 12509  			break
 12510  		}
 12511  		off := x.AuxInt
 12512  		sym := x.Aux
 12513  		ptr := x.Args[0]
 12514  		mem := x.Args[1]
 12515  		if !(x.Uses == 1 && clobber(x)) {
 12516  			break
 12517  		}
 12518  		b = x.Block
 12519  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZload, t)
 12520  		v.reset(OpCopy)
 12521  		v.AddArg(v0)
 12522  		v0.AuxInt = off
 12523  		v0.Aux = sym
 12524  		v0.AddArg(ptr)
 12525  		v0.AddArg(mem)
 12526  		return true
 12527  	}
 12528  	// match: (MOVDreg <t> x:(MOVWload [off] {sym} ptr mem))
 12529  	// cond: x.Uses == 1 && clobber(x)
 12530  	// result: @x.Block (MOVWload  <t> [off] {sym} ptr mem)
 12531  	for {
 12532  		t := v.Type
 12533  		x := v.Args[0]
 12534  		if x.Op != OpS390XMOVWload {
 12535  			break
 12536  		}
 12537  		off := x.AuxInt
 12538  		sym := x.Aux
 12539  		ptr := x.Args[0]
 12540  		mem := x.Args[1]
 12541  		if !(x.Uses == 1 && clobber(x)) {
 12542  			break
 12543  		}
 12544  		b = x.Block
 12545  		v0 := b.NewValue0(v.Pos, OpS390XMOVWload, t)
 12546  		v.reset(OpCopy)
 12547  		v.AddArg(v0)
 12548  		v0.AuxInt = off
 12549  		v0.Aux = sym
 12550  		v0.AddArg(ptr)
 12551  		v0.AddArg(mem)
 12552  		return true
 12553  	}
 12554  	// match: (MOVDreg <t> x:(MOVDload [off] {sym} ptr mem))
 12555  	// cond: x.Uses == 1 && clobber(x)
 12556  	// result: @x.Block (MOVDload  <t> [off] {sym} ptr mem)
 12557  	for {
 12558  		t := v.Type
 12559  		x := v.Args[0]
 12560  		if x.Op != OpS390XMOVDload {
 12561  			break
 12562  		}
 12563  		off := x.AuxInt
 12564  		sym := x.Aux
 12565  		ptr := x.Args[0]
 12566  		mem := x.Args[1]
 12567  		if !(x.Uses == 1 && clobber(x)) {
 12568  			break
 12569  		}
 12570  		b = x.Block
 12571  		v0 := b.NewValue0(v.Pos, OpS390XMOVDload, t)
 12572  		v.reset(OpCopy)
 12573  		v.AddArg(v0)
 12574  		v0.AuxInt = off
 12575  		v0.Aux = sym
 12576  		v0.AddArg(ptr)
 12577  		v0.AddArg(mem)
 12578  		return true
 12579  	}
 12580  	// match: (MOVDreg <t> x:(MOVBZloadidx [off] {sym} ptr idx mem))
 12581  	// cond: x.Uses == 1 && clobber(x)
 12582  	// result: @x.Block (MOVBZloadidx <t> [off] {sym} ptr idx mem)
 12583  	for {
 12584  		t := v.Type
 12585  		x := v.Args[0]
 12586  		if x.Op != OpS390XMOVBZloadidx {
 12587  			break
 12588  		}
 12589  		off := x.AuxInt
 12590  		sym := x.Aux
 12591  		ptr := x.Args[0]
 12592  		idx := x.Args[1]
 12593  		mem := x.Args[2]
 12594  		if !(x.Uses == 1 && clobber(x)) {
 12595  			break
 12596  		}
 12597  		b = x.Block
 12598  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZloadidx, t)
 12599  		v.reset(OpCopy)
 12600  		v.AddArg(v0)
 12601  		v0.AuxInt = off
 12602  		v0.Aux = sym
 12603  		v0.AddArg(ptr)
 12604  		v0.AddArg(idx)
 12605  		v0.AddArg(mem)
 12606  		return true
 12607  	}
 12608  	// match: (MOVDreg <t> x:(MOVHZloadidx [off] {sym} ptr idx mem))
 12609  	// cond: x.Uses == 1 && clobber(x)
 12610  	// result: @x.Block (MOVHZloadidx <t> [off] {sym} ptr idx mem)
 12611  	for {
 12612  		t := v.Type
 12613  		x := v.Args[0]
 12614  		if x.Op != OpS390XMOVHZloadidx {
 12615  			break
 12616  		}
 12617  		off := x.AuxInt
 12618  		sym := x.Aux
 12619  		ptr := x.Args[0]
 12620  		idx := x.Args[1]
 12621  		mem := x.Args[2]
 12622  		if !(x.Uses == 1 && clobber(x)) {
 12623  			break
 12624  		}
 12625  		b = x.Block
 12626  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, t)
 12627  		v.reset(OpCopy)
 12628  		v.AddArg(v0)
 12629  		v0.AuxInt = off
 12630  		v0.Aux = sym
 12631  		v0.AddArg(ptr)
 12632  		v0.AddArg(idx)
 12633  		v0.AddArg(mem)
 12634  		return true
 12635  	}
 12636  	// match: (MOVDreg <t> x:(MOVWZloadidx [off] {sym} ptr idx mem))
 12637  	// cond: x.Uses == 1 && clobber(x)
 12638  	// result: @x.Block (MOVWZloadidx <t> [off] {sym} ptr idx mem)
 12639  	for {
 12640  		t := v.Type
 12641  		x := v.Args[0]
 12642  		if x.Op != OpS390XMOVWZloadidx {
 12643  			break
 12644  		}
 12645  		off := x.AuxInt
 12646  		sym := x.Aux
 12647  		ptr := x.Args[0]
 12648  		idx := x.Args[1]
 12649  		mem := x.Args[2]
 12650  		if !(x.Uses == 1 && clobber(x)) {
 12651  			break
 12652  		}
 12653  		b = x.Block
 12654  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, t)
 12655  		v.reset(OpCopy)
 12656  		v.AddArg(v0)
 12657  		v0.AuxInt = off
 12658  		v0.Aux = sym
 12659  		v0.AddArg(ptr)
 12660  		v0.AddArg(idx)
 12661  		v0.AddArg(mem)
 12662  		return true
 12663  	}
 12664  	// match: (MOVDreg <t> x:(MOVDloadidx [off] {sym} ptr idx mem))
 12665  	// cond: x.Uses == 1 && clobber(x)
 12666  	// result: @x.Block (MOVDloadidx  <t> [off] {sym} ptr idx mem)
 12667  	for {
 12668  		t := v.Type
 12669  		x := v.Args[0]
 12670  		if x.Op != OpS390XMOVDloadidx {
 12671  			break
 12672  		}
 12673  		off := x.AuxInt
 12674  		sym := x.Aux
 12675  		ptr := x.Args[0]
 12676  		idx := x.Args[1]
 12677  		mem := x.Args[2]
 12678  		if !(x.Uses == 1 && clobber(x)) {
 12679  			break
 12680  		}
 12681  		b = x.Block
 12682  		v0 := b.NewValue0(v.Pos, OpS390XMOVDloadidx, t)
 12683  		v.reset(OpCopy)
 12684  		v.AddArg(v0)
 12685  		v0.AuxInt = off
 12686  		v0.Aux = sym
 12687  		v0.AddArg(ptr)
 12688  		v0.AddArg(idx)
 12689  		v0.AddArg(mem)
 12690  		return true
 12691  	}
 12692  	return false
 12693  }
 12694  func rewriteValueS390X_OpS390XMOVDstore(v *Value) bool {
 12695  	// match: (MOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem)
 12696  	// cond: is20Bit(off1+off2)
 12697  	// result: (MOVDstore  [off1+off2] {sym} ptr val mem)
 12698  	for {
 12699  		off1 := v.AuxInt
 12700  		sym := v.Aux
 12701  		v_0 := v.Args[0]
 12702  		if v_0.Op != OpS390XADDconst {
 12703  			break
 12704  		}
 12705  		off2 := v_0.AuxInt
 12706  		ptr := v_0.Args[0]
 12707  		val := v.Args[1]
 12708  		mem := v.Args[2]
 12709  		if !(is20Bit(off1 + off2)) {
 12710  			break
 12711  		}
 12712  		v.reset(OpS390XMOVDstore)
 12713  		v.AuxInt = off1 + off2
 12714  		v.Aux = sym
 12715  		v.AddArg(ptr)
 12716  		v.AddArg(val)
 12717  		v.AddArg(mem)
 12718  		return true
 12719  	}
 12720  	// match: (MOVDstore [off] {sym} ptr (MOVDconst [c]) mem)
 12721  	// cond: validValAndOff(c,off) && int64(int16(c)) == c && ptr.Op != OpSB
 12722  	// result: (MOVDstoreconst [makeValAndOff(c,off)] {sym} ptr mem)
 12723  	for {
 12724  		off := v.AuxInt
 12725  		sym := v.Aux
 12726  		ptr := v.Args[0]
 12727  		v_1 := v.Args[1]
 12728  		if v_1.Op != OpS390XMOVDconst {
 12729  			break
 12730  		}
 12731  		c := v_1.AuxInt
 12732  		mem := v.Args[2]
 12733  		if !(validValAndOff(c, off) && int64(int16(c)) == c && ptr.Op != OpSB) {
 12734  			break
 12735  		}
 12736  		v.reset(OpS390XMOVDstoreconst)
 12737  		v.AuxInt = makeValAndOff(c, off)
 12738  		v.Aux = sym
 12739  		v.AddArg(ptr)
 12740  		v.AddArg(mem)
 12741  		return true
 12742  	}
 12743  	// match: (MOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
 12744  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 12745  	// result: (MOVDstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
 12746  	for {
 12747  		off1 := v.AuxInt
 12748  		sym1 := v.Aux
 12749  		v_0 := v.Args[0]
 12750  		if v_0.Op != OpS390XMOVDaddr {
 12751  			break
 12752  		}
 12753  		off2 := v_0.AuxInt
 12754  		sym2 := v_0.Aux
 12755  		base := v_0.Args[0]
 12756  		val := v.Args[1]
 12757  		mem := v.Args[2]
 12758  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 12759  			break
 12760  		}
 12761  		v.reset(OpS390XMOVDstore)
 12762  		v.AuxInt = off1 + off2
 12763  		v.Aux = mergeSym(sym1, sym2)
 12764  		v.AddArg(base)
 12765  		v.AddArg(val)
 12766  		v.AddArg(mem)
 12767  		return true
 12768  	}
 12769  	// match: (MOVDstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
 12770  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 12771  	// result: (MOVDstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
 12772  	for {
 12773  		off1 := v.AuxInt
 12774  		sym1 := v.Aux
 12775  		v_0 := v.Args[0]
 12776  		if v_0.Op != OpS390XMOVDaddridx {
 12777  			break
 12778  		}
 12779  		off2 := v_0.AuxInt
 12780  		sym2 := v_0.Aux
 12781  		ptr := v_0.Args[0]
 12782  		idx := v_0.Args[1]
 12783  		val := v.Args[1]
 12784  		mem := v.Args[2]
 12785  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 12786  			break
 12787  		}
 12788  		v.reset(OpS390XMOVDstoreidx)
 12789  		v.AuxInt = off1 + off2
 12790  		v.Aux = mergeSym(sym1, sym2)
 12791  		v.AddArg(ptr)
 12792  		v.AddArg(idx)
 12793  		v.AddArg(val)
 12794  		v.AddArg(mem)
 12795  		return true
 12796  	}
 12797  	// match: (MOVDstore [off] {sym} (ADD ptr idx) val mem)
 12798  	// cond: ptr.Op != OpSB
 12799  	// result: (MOVDstoreidx [off] {sym} ptr idx val mem)
 12800  	for {
 12801  		off := v.AuxInt
 12802  		sym := v.Aux
 12803  		v_0 := v.Args[0]
 12804  		if v_0.Op != OpS390XADD {
 12805  			break
 12806  		}
 12807  		ptr := v_0.Args[0]
 12808  		idx := v_0.Args[1]
 12809  		val := v.Args[1]
 12810  		mem := v.Args[2]
 12811  		if !(ptr.Op != OpSB) {
 12812  			break
 12813  		}
 12814  		v.reset(OpS390XMOVDstoreidx)
 12815  		v.AuxInt = off
 12816  		v.Aux = sym
 12817  		v.AddArg(ptr)
 12818  		v.AddArg(idx)
 12819  		v.AddArg(val)
 12820  		v.AddArg(mem)
 12821  		return true
 12822  	}
 12823  	// match: (MOVDstore [i] {s} p w1 x:(MOVDstore [i-8] {s} p w0 mem))
 12824  	// cond: p.Op != OpSB   && x.Uses == 1   && is20Bit(i-8)   && clobber(x)
 12825  	// result: (STMG2 [i-8] {s} p w0 w1 mem)
 12826  	for {
 12827  		i := v.AuxInt
 12828  		s := v.Aux
 12829  		p := v.Args[0]
 12830  		w1 := v.Args[1]
 12831  		x := v.Args[2]
 12832  		if x.Op != OpS390XMOVDstore {
 12833  			break
 12834  		}
 12835  		if x.AuxInt != i-8 {
 12836  			break
 12837  		}
 12838  		if x.Aux != s {
 12839  			break
 12840  		}
 12841  		if p != x.Args[0] {
 12842  			break
 12843  		}
 12844  		w0 := x.Args[1]
 12845  		mem := x.Args[2]
 12846  		if !(p.Op != OpSB && x.Uses == 1 && is20Bit(i-8) && clobber(x)) {
 12847  			break
 12848  		}
 12849  		v.reset(OpS390XSTMG2)
 12850  		v.AuxInt = i - 8
 12851  		v.Aux = s
 12852  		v.AddArg(p)
 12853  		v.AddArg(w0)
 12854  		v.AddArg(w1)
 12855  		v.AddArg(mem)
 12856  		return true
 12857  	}
 12858  	// match: (MOVDstore [i] {s} p w2 x:(STMG2 [i-16] {s} p w0 w1 mem))
 12859  	// cond: x.Uses == 1   && is20Bit(i-16)   && clobber(x)
 12860  	// result: (STMG3 [i-16] {s} p w0 w1 w2 mem)
 12861  	for {
 12862  		i := v.AuxInt
 12863  		s := v.Aux
 12864  		p := v.Args[0]
 12865  		w2 := v.Args[1]
 12866  		x := v.Args[2]
 12867  		if x.Op != OpS390XSTMG2 {
 12868  			break
 12869  		}
 12870  		if x.AuxInt != i-16 {
 12871  			break
 12872  		}
 12873  		if x.Aux != s {
 12874  			break
 12875  		}
 12876  		if p != x.Args[0] {
 12877  			break
 12878  		}
 12879  		w0 := x.Args[1]
 12880  		w1 := x.Args[2]
 12881  		mem := x.Args[3]
 12882  		if !(x.Uses == 1 && is20Bit(i-16) && clobber(x)) {
 12883  			break
 12884  		}
 12885  		v.reset(OpS390XSTMG3)
 12886  		v.AuxInt = i - 16
 12887  		v.Aux = s
 12888  		v.AddArg(p)
 12889  		v.AddArg(w0)
 12890  		v.AddArg(w1)
 12891  		v.AddArg(w2)
 12892  		v.AddArg(mem)
 12893  		return true
 12894  	}
 12895  	// match: (MOVDstore [i] {s} p w3 x:(STMG3 [i-24] {s} p w0 w1 w2 mem))
 12896  	// cond: x.Uses == 1   && is20Bit(i-24)   && clobber(x)
 12897  	// result: (STMG4 [i-24] {s} p w0 w1 w2 w3 mem)
 12898  	for {
 12899  		i := v.AuxInt
 12900  		s := v.Aux
 12901  		p := v.Args[0]
 12902  		w3 := v.Args[1]
 12903  		x := v.Args[2]
 12904  		if x.Op != OpS390XSTMG3 {
 12905  			break
 12906  		}
 12907  		if x.AuxInt != i-24 {
 12908  			break
 12909  		}
 12910  		if x.Aux != s {
 12911  			break
 12912  		}
 12913  		if p != x.Args[0] {
 12914  			break
 12915  		}
 12916  		w0 := x.Args[1]
 12917  		w1 := x.Args[2]
 12918  		w2 := x.Args[3]
 12919  		mem := x.Args[4]
 12920  		if !(x.Uses == 1 && is20Bit(i-24) && clobber(x)) {
 12921  			break
 12922  		}
 12923  		v.reset(OpS390XSTMG4)
 12924  		v.AuxInt = i - 24
 12925  		v.Aux = s
 12926  		v.AddArg(p)
 12927  		v.AddArg(w0)
 12928  		v.AddArg(w1)
 12929  		v.AddArg(w2)
 12930  		v.AddArg(w3)
 12931  		v.AddArg(mem)
 12932  		return true
 12933  	}
 12934  	return false
 12935  }
 12936  func rewriteValueS390X_OpS390XMOVDstoreconst(v *Value) bool {
 12937  	// match: (MOVDstoreconst [sc] {s} (ADDconst [off] ptr) mem)
 12938  	// cond: ValAndOff(sc).canAdd(off)
 12939  	// result: (MOVDstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
 12940  	for {
 12941  		sc := v.AuxInt
 12942  		s := v.Aux
 12943  		v_0 := v.Args[0]
 12944  		if v_0.Op != OpS390XADDconst {
 12945  			break
 12946  		}
 12947  		off := v_0.AuxInt
 12948  		ptr := v_0.Args[0]
 12949  		mem := v.Args[1]
 12950  		if !(ValAndOff(sc).canAdd(off)) {
 12951  			break
 12952  		}
 12953  		v.reset(OpS390XMOVDstoreconst)
 12954  		v.AuxInt = ValAndOff(sc).add(off)
 12955  		v.Aux = s
 12956  		v.AddArg(ptr)
 12957  		v.AddArg(mem)
 12958  		return true
 12959  	}
 12960  	// match: (MOVDstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
 12961  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
 12962  	// result: (MOVDstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
 12963  	for {
 12964  		sc := v.AuxInt
 12965  		sym1 := v.Aux
 12966  		v_0 := v.Args[0]
 12967  		if v_0.Op != OpS390XMOVDaddr {
 12968  			break
 12969  		}
 12970  		off := v_0.AuxInt
 12971  		sym2 := v_0.Aux
 12972  		ptr := v_0.Args[0]
 12973  		mem := v.Args[1]
 12974  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
 12975  			break
 12976  		}
 12977  		v.reset(OpS390XMOVDstoreconst)
 12978  		v.AuxInt = ValAndOff(sc).add(off)
 12979  		v.Aux = mergeSym(sym1, sym2)
 12980  		v.AddArg(ptr)
 12981  		v.AddArg(mem)
 12982  		return true
 12983  	}
 12984  	return false
 12985  }
 12986  func rewriteValueS390X_OpS390XMOVDstoreidx(v *Value) bool {
 12987  	// match: (MOVDstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
 12988  	// cond:
 12989  	// result: (MOVDstoreidx [c+d] {sym} ptr idx val mem)
 12990  	for {
 12991  		c := v.AuxInt
 12992  		sym := v.Aux
 12993  		v_0 := v.Args[0]
 12994  		if v_0.Op != OpS390XADDconst {
 12995  			break
 12996  		}
 12997  		d := v_0.AuxInt
 12998  		ptr := v_0.Args[0]
 12999  		idx := v.Args[1]
 13000  		val := v.Args[2]
 13001  		mem := v.Args[3]
 13002  		v.reset(OpS390XMOVDstoreidx)
 13003  		v.AuxInt = c + d
 13004  		v.Aux = sym
 13005  		v.AddArg(ptr)
 13006  		v.AddArg(idx)
 13007  		v.AddArg(val)
 13008  		v.AddArg(mem)
 13009  		return true
 13010  	}
 13011  	// match: (MOVDstoreidx [c] {sym} idx (ADDconst [d] ptr) val mem)
 13012  	// cond:
 13013  	// result: (MOVDstoreidx [c+d] {sym} ptr idx val mem)
 13014  	for {
 13015  		c := v.AuxInt
 13016  		sym := v.Aux
 13017  		idx := v.Args[0]
 13018  		v_1 := v.Args[1]
 13019  		if v_1.Op != OpS390XADDconst {
 13020  			break
 13021  		}
 13022  		d := v_1.AuxInt
 13023  		ptr := v_1.Args[0]
 13024  		val := v.Args[2]
 13025  		mem := v.Args[3]
 13026  		v.reset(OpS390XMOVDstoreidx)
 13027  		v.AuxInt = c + d
 13028  		v.Aux = sym
 13029  		v.AddArg(ptr)
 13030  		v.AddArg(idx)
 13031  		v.AddArg(val)
 13032  		v.AddArg(mem)
 13033  		return true
 13034  	}
 13035  	// match: (MOVDstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
 13036  	// cond:
 13037  	// result: (MOVDstoreidx [c+d] {sym} ptr idx val mem)
 13038  	for {
 13039  		c := v.AuxInt
 13040  		sym := v.Aux
 13041  		ptr := v.Args[0]
 13042  		v_1 := v.Args[1]
 13043  		if v_1.Op != OpS390XADDconst {
 13044  			break
 13045  		}
 13046  		d := v_1.AuxInt
 13047  		idx := v_1.Args[0]
 13048  		val := v.Args[2]
 13049  		mem := v.Args[3]
 13050  		v.reset(OpS390XMOVDstoreidx)
 13051  		v.AuxInt = c + d
 13052  		v.Aux = sym
 13053  		v.AddArg(ptr)
 13054  		v.AddArg(idx)
 13055  		v.AddArg(val)
 13056  		v.AddArg(mem)
 13057  		return true
 13058  	}
 13059  	// match: (MOVDstoreidx [c] {sym} (ADDconst [d] idx) ptr val mem)
 13060  	// cond:
 13061  	// result: (MOVDstoreidx [c+d] {sym} ptr idx val mem)
 13062  	for {
 13063  		c := v.AuxInt
 13064  		sym := v.Aux
 13065  		v_0 := v.Args[0]
 13066  		if v_0.Op != OpS390XADDconst {
 13067  			break
 13068  		}
 13069  		d := v_0.AuxInt
 13070  		idx := v_0.Args[0]
 13071  		ptr := v.Args[1]
 13072  		val := v.Args[2]
 13073  		mem := v.Args[3]
 13074  		v.reset(OpS390XMOVDstoreidx)
 13075  		v.AuxInt = c + d
 13076  		v.Aux = sym
 13077  		v.AddArg(ptr)
 13078  		v.AddArg(idx)
 13079  		v.AddArg(val)
 13080  		v.AddArg(mem)
 13081  		return true
 13082  	}
 13083  	return false
 13084  }
 13085  func rewriteValueS390X_OpS390XMOVHBRstore(v *Value) bool {
 13086  	// match: (MOVHBRstore [i] {s} p (SRDconst [16] w) x:(MOVHBRstore [i-2] {s} p w mem))
 13087  	// cond: x.Uses == 1   && clobber(x)
 13088  	// result: (MOVWBRstore [i-2] {s} p w mem)
 13089  	for {
 13090  		i := v.AuxInt
 13091  		s := v.Aux
 13092  		p := v.Args[0]
 13093  		v_1 := v.Args[1]
 13094  		if v_1.Op != OpS390XSRDconst {
 13095  			break
 13096  		}
 13097  		if v_1.AuxInt != 16 {
 13098  			break
 13099  		}
 13100  		w := v_1.Args[0]
 13101  		x := v.Args[2]
 13102  		if x.Op != OpS390XMOVHBRstore {
 13103  			break
 13104  		}
 13105  		if x.AuxInt != i-2 {
 13106  			break
 13107  		}
 13108  		if x.Aux != s {
 13109  			break
 13110  		}
 13111  		if p != x.Args[0] {
 13112  			break
 13113  		}
 13114  		if w != x.Args[1] {
 13115  			break
 13116  		}
 13117  		mem := x.Args[2]
 13118  		if !(x.Uses == 1 && clobber(x)) {
 13119  			break
 13120  		}
 13121  		v.reset(OpS390XMOVWBRstore)
 13122  		v.AuxInt = i - 2
 13123  		v.Aux = s
 13124  		v.AddArg(p)
 13125  		v.AddArg(w)
 13126  		v.AddArg(mem)
 13127  		return true
 13128  	}
 13129  	// match: (MOVHBRstore [i] {s} p (SRDconst [j] w) x:(MOVHBRstore [i-2] {s} p w0:(SRDconst [j-16] w) mem))
 13130  	// cond: x.Uses == 1   && clobber(x)
 13131  	// result: (MOVWBRstore [i-2] {s} p w0 mem)
 13132  	for {
 13133  		i := v.AuxInt
 13134  		s := v.Aux
 13135  		p := v.Args[0]
 13136  		v_1 := v.Args[1]
 13137  		if v_1.Op != OpS390XSRDconst {
 13138  			break
 13139  		}
 13140  		j := v_1.AuxInt
 13141  		w := v_1.Args[0]
 13142  		x := v.Args[2]
 13143  		if x.Op != OpS390XMOVHBRstore {
 13144  			break
 13145  		}
 13146  		if x.AuxInt != i-2 {
 13147  			break
 13148  		}
 13149  		if x.Aux != s {
 13150  			break
 13151  		}
 13152  		if p != x.Args[0] {
 13153  			break
 13154  		}
 13155  		w0 := x.Args[1]
 13156  		if w0.Op != OpS390XSRDconst {
 13157  			break
 13158  		}
 13159  		if w0.AuxInt != j-16 {
 13160  			break
 13161  		}
 13162  		if w != w0.Args[0] {
 13163  			break
 13164  		}
 13165  		mem := x.Args[2]
 13166  		if !(x.Uses == 1 && clobber(x)) {
 13167  			break
 13168  		}
 13169  		v.reset(OpS390XMOVWBRstore)
 13170  		v.AuxInt = i - 2
 13171  		v.Aux = s
 13172  		v.AddArg(p)
 13173  		v.AddArg(w0)
 13174  		v.AddArg(mem)
 13175  		return true
 13176  	}
 13177  	// match: (MOVHBRstore [i] {s} p (SRWconst [16] w) x:(MOVHBRstore [i-2] {s} p w mem))
 13178  	// cond: x.Uses == 1   && clobber(x)
 13179  	// result: (MOVWBRstore [i-2] {s} p w mem)
 13180  	for {
 13181  		i := v.AuxInt
 13182  		s := v.Aux
 13183  		p := v.Args[0]
 13184  		v_1 := v.Args[1]
 13185  		if v_1.Op != OpS390XSRWconst {
 13186  			break
 13187  		}
 13188  		if v_1.AuxInt != 16 {
 13189  			break
 13190  		}
 13191  		w := v_1.Args[0]
 13192  		x := v.Args[2]
 13193  		if x.Op != OpS390XMOVHBRstore {
 13194  			break
 13195  		}
 13196  		if x.AuxInt != i-2 {
 13197  			break
 13198  		}
 13199  		if x.Aux != s {
 13200  			break
 13201  		}
 13202  		if p != x.Args[0] {
 13203  			break
 13204  		}
 13205  		if w != x.Args[1] {
 13206  			break
 13207  		}
 13208  		mem := x.Args[2]
 13209  		if !(x.Uses == 1 && clobber(x)) {
 13210  			break
 13211  		}
 13212  		v.reset(OpS390XMOVWBRstore)
 13213  		v.AuxInt = i - 2
 13214  		v.Aux = s
 13215  		v.AddArg(p)
 13216  		v.AddArg(w)
 13217  		v.AddArg(mem)
 13218  		return true
 13219  	}
 13220  	// match: (MOVHBRstore [i] {s} p (SRWconst [j] w) x:(MOVHBRstore [i-2] {s} p w0:(SRWconst [j-16] w) mem))
 13221  	// cond: x.Uses == 1   && clobber(x)
 13222  	// result: (MOVWBRstore [i-2] {s} p w0 mem)
 13223  	for {
 13224  		i := v.AuxInt
 13225  		s := v.Aux
 13226  		p := v.Args[0]
 13227  		v_1 := v.Args[1]
 13228  		if v_1.Op != OpS390XSRWconst {
 13229  			break
 13230  		}
 13231  		j := v_1.AuxInt
 13232  		w := v_1.Args[0]
 13233  		x := v.Args[2]
 13234  		if x.Op != OpS390XMOVHBRstore {
 13235  			break
 13236  		}
 13237  		if x.AuxInt != i-2 {
 13238  			break
 13239  		}
 13240  		if x.Aux != s {
 13241  			break
 13242  		}
 13243  		if p != x.Args[0] {
 13244  			break
 13245  		}
 13246  		w0 := x.Args[1]
 13247  		if w0.Op != OpS390XSRWconst {
 13248  			break
 13249  		}
 13250  		if w0.AuxInt != j-16 {
 13251  			break
 13252  		}
 13253  		if w != w0.Args[0] {
 13254  			break
 13255  		}
 13256  		mem := x.Args[2]
 13257  		if !(x.Uses == 1 && clobber(x)) {
 13258  			break
 13259  		}
 13260  		v.reset(OpS390XMOVWBRstore)
 13261  		v.AuxInt = i - 2
 13262  		v.Aux = s
 13263  		v.AddArg(p)
 13264  		v.AddArg(w0)
 13265  		v.AddArg(mem)
 13266  		return true
 13267  	}
 13268  	return false
 13269  }
 13270  func rewriteValueS390X_OpS390XMOVHBRstoreidx(v *Value) bool {
 13271  	// match: (MOVHBRstoreidx [i] {s} p idx (SRDconst [16] w) x:(MOVHBRstoreidx [i-2] {s} p idx w mem))
 13272  	// cond: x.Uses == 1   && clobber(x)
 13273  	// result: (MOVWBRstoreidx [i-2] {s} p idx w mem)
 13274  	for {
 13275  		i := v.AuxInt
 13276  		s := v.Aux
 13277  		p := v.Args[0]
 13278  		idx := v.Args[1]
 13279  		v_2 := v.Args[2]
 13280  		if v_2.Op != OpS390XSRDconst {
 13281  			break
 13282  		}
 13283  		if v_2.AuxInt != 16 {
 13284  			break
 13285  		}
 13286  		w := v_2.Args[0]
 13287  		x := v.Args[3]
 13288  		if x.Op != OpS390XMOVHBRstoreidx {
 13289  			break
 13290  		}
 13291  		if x.AuxInt != i-2 {
 13292  			break
 13293  		}
 13294  		if x.Aux != s {
 13295  			break
 13296  		}
 13297  		if p != x.Args[0] {
 13298  			break
 13299  		}
 13300  		if idx != x.Args[1] {
 13301  			break
 13302  		}
 13303  		if w != x.Args[2] {
 13304  			break
 13305  		}
 13306  		mem := x.Args[3]
 13307  		if !(x.Uses == 1 && clobber(x)) {
 13308  			break
 13309  		}
 13310  		v.reset(OpS390XMOVWBRstoreidx)
 13311  		v.AuxInt = i - 2
 13312  		v.Aux = s
 13313  		v.AddArg(p)
 13314  		v.AddArg(idx)
 13315  		v.AddArg(w)
 13316  		v.AddArg(mem)
 13317  		return true
 13318  	}
 13319  	// match: (MOVHBRstoreidx [i] {s} p idx (SRDconst [16] w) x:(MOVHBRstoreidx [i-2] {s} idx p w mem))
 13320  	// cond: x.Uses == 1   && clobber(x)
 13321  	// result: (MOVWBRstoreidx [i-2] {s} p idx w mem)
 13322  	for {
 13323  		i := v.AuxInt
 13324  		s := v.Aux
 13325  		p := v.Args[0]
 13326  		idx := v.Args[1]
 13327  		v_2 := v.Args[2]
 13328  		if v_2.Op != OpS390XSRDconst {
 13329  			break
 13330  		}
 13331  		if v_2.AuxInt != 16 {
 13332  			break
 13333  		}
 13334  		w := v_2.Args[0]
 13335  		x := v.Args[3]
 13336  		if x.Op != OpS390XMOVHBRstoreidx {
 13337  			break
 13338  		}
 13339  		if x.AuxInt != i-2 {
 13340  			break
 13341  		}
 13342  		if x.Aux != s {
 13343  			break
 13344  		}
 13345  		if idx != x.Args[0] {
 13346  			break
 13347  		}
 13348  		if p != x.Args[1] {
 13349  			break
 13350  		}
 13351  		if w != x.Args[2] {
 13352  			break
 13353  		}
 13354  		mem := x.Args[3]
 13355  		if !(x.Uses == 1 && clobber(x)) {
 13356  			break
 13357  		}
 13358  		v.reset(OpS390XMOVWBRstoreidx)
 13359  		v.AuxInt = i - 2
 13360  		v.Aux = s
 13361  		v.AddArg(p)
 13362  		v.AddArg(idx)
 13363  		v.AddArg(w)
 13364  		v.AddArg(mem)
 13365  		return true
 13366  	}
 13367  	// match: (MOVHBRstoreidx [i] {s} idx p (SRDconst [16] w) x:(MOVHBRstoreidx [i-2] {s} p idx w mem))
 13368  	// cond: x.Uses == 1   && clobber(x)
 13369  	// result: (MOVWBRstoreidx [i-2] {s} p idx w mem)
 13370  	for {
 13371  		i := v.AuxInt
 13372  		s := v.Aux
 13373  		idx := v.Args[0]
 13374  		p := v.Args[1]
 13375  		v_2 := v.Args[2]
 13376  		if v_2.Op != OpS390XSRDconst {
 13377  			break
 13378  		}
 13379  		if v_2.AuxInt != 16 {
 13380  			break
 13381  		}
 13382  		w := v_2.Args[0]
 13383  		x := v.Args[3]
 13384  		if x.Op != OpS390XMOVHBRstoreidx {
 13385  			break
 13386  		}
 13387  		if x.AuxInt != i-2 {
 13388  			break
 13389  		}
 13390  		if x.Aux != s {
 13391  			break
 13392  		}
 13393  		if p != x.Args[0] {
 13394  			break
 13395  		}
 13396  		if idx != x.Args[1] {
 13397  			break
 13398  		}
 13399  		if w != x.Args[2] {
 13400  			break
 13401  		}
 13402  		mem := x.Args[3]
 13403  		if !(x.Uses == 1 && clobber(x)) {
 13404  			break
 13405  		}
 13406  		v.reset(OpS390XMOVWBRstoreidx)
 13407  		v.AuxInt = i - 2
 13408  		v.Aux = s
 13409  		v.AddArg(p)
 13410  		v.AddArg(idx)
 13411  		v.AddArg(w)
 13412  		v.AddArg(mem)
 13413  		return true
 13414  	}
 13415  	// match: (MOVHBRstoreidx [i] {s} idx p (SRDconst [16] w) x:(MOVHBRstoreidx [i-2] {s} idx p w mem))
 13416  	// cond: x.Uses == 1   && clobber(x)
 13417  	// result: (MOVWBRstoreidx [i-2] {s} p idx w mem)
 13418  	for {
 13419  		i := v.AuxInt
 13420  		s := v.Aux
 13421  		idx := v.Args[0]
 13422  		p := v.Args[1]
 13423  		v_2 := v.Args[2]
 13424  		if v_2.Op != OpS390XSRDconst {
 13425  			break
 13426  		}
 13427  		if v_2.AuxInt != 16 {
 13428  			break
 13429  		}
 13430  		w := v_2.Args[0]
 13431  		x := v.Args[3]
 13432  		if x.Op != OpS390XMOVHBRstoreidx {
 13433  			break
 13434  		}
 13435  		if x.AuxInt != i-2 {
 13436  			break
 13437  		}
 13438  		if x.Aux != s {
 13439  			break
 13440  		}
 13441  		if idx != x.Args[0] {
 13442  			break
 13443  		}
 13444  		if p != x.Args[1] {
 13445  			break
 13446  		}
 13447  		if w != x.Args[2] {
 13448  			break
 13449  		}
 13450  		mem := x.Args[3]
 13451  		if !(x.Uses == 1 && clobber(x)) {
 13452  			break
 13453  		}
 13454  		v.reset(OpS390XMOVWBRstoreidx)
 13455  		v.AuxInt = i - 2
 13456  		v.Aux = s
 13457  		v.AddArg(p)
 13458  		v.AddArg(idx)
 13459  		v.AddArg(w)
 13460  		v.AddArg(mem)
 13461  		return true
 13462  	}
 13463  	// match: (MOVHBRstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVHBRstoreidx [i-2] {s} p idx w0:(SRDconst [j-16] w) mem))
 13464  	// cond: x.Uses == 1   && clobber(x)
 13465  	// result: (MOVWBRstoreidx [i-2] {s} p idx w0 mem)
 13466  	for {
 13467  		i := v.AuxInt
 13468  		s := v.Aux
 13469  		p := v.Args[0]
 13470  		idx := v.Args[1]
 13471  		v_2 := v.Args[2]
 13472  		if v_2.Op != OpS390XSRDconst {
 13473  			break
 13474  		}
 13475  		j := v_2.AuxInt
 13476  		w := v_2.Args[0]
 13477  		x := v.Args[3]
 13478  		if x.Op != OpS390XMOVHBRstoreidx {
 13479  			break
 13480  		}
 13481  		if x.AuxInt != i-2 {
 13482  			break
 13483  		}
 13484  		if x.Aux != s {
 13485  			break
 13486  		}
 13487  		if p != x.Args[0] {
 13488  			break
 13489  		}
 13490  		if idx != x.Args[1] {
 13491  			break
 13492  		}
 13493  		w0 := x.Args[2]
 13494  		if w0.Op != OpS390XSRDconst {
 13495  			break
 13496  		}
 13497  		if w0.AuxInt != j-16 {
 13498  			break
 13499  		}
 13500  		if w != w0.Args[0] {
 13501  			break
 13502  		}
 13503  		mem := x.Args[3]
 13504  		if !(x.Uses == 1 && clobber(x)) {
 13505  			break
 13506  		}
 13507  		v.reset(OpS390XMOVWBRstoreidx)
 13508  		v.AuxInt = i - 2
 13509  		v.Aux = s
 13510  		v.AddArg(p)
 13511  		v.AddArg(idx)
 13512  		v.AddArg(w0)
 13513  		v.AddArg(mem)
 13514  		return true
 13515  	}
 13516  	// match: (MOVHBRstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVHBRstoreidx [i-2] {s} idx p w0:(SRDconst [j-16] w) mem))
 13517  	// cond: x.Uses == 1   && clobber(x)
 13518  	// result: (MOVWBRstoreidx [i-2] {s} p idx w0 mem)
 13519  	for {
 13520  		i := v.AuxInt
 13521  		s := v.Aux
 13522  		p := v.Args[0]
 13523  		idx := v.Args[1]
 13524  		v_2 := v.Args[2]
 13525  		if v_2.Op != OpS390XSRDconst {
 13526  			break
 13527  		}
 13528  		j := v_2.AuxInt
 13529  		w := v_2.Args[0]
 13530  		x := v.Args[3]
 13531  		if x.Op != OpS390XMOVHBRstoreidx {
 13532  			break
 13533  		}
 13534  		if x.AuxInt != i-2 {
 13535  			break
 13536  		}
 13537  		if x.Aux != s {
 13538  			break
 13539  		}
 13540  		if idx != x.Args[0] {
 13541  			break
 13542  		}
 13543  		if p != x.Args[1] {
 13544  			break
 13545  		}
 13546  		w0 := x.Args[2]
 13547  		if w0.Op != OpS390XSRDconst {
 13548  			break
 13549  		}
 13550  		if w0.AuxInt != j-16 {
 13551  			break
 13552  		}
 13553  		if w != w0.Args[0] {
 13554  			break
 13555  		}
 13556  		mem := x.Args[3]
 13557  		if !(x.Uses == 1 && clobber(x)) {
 13558  			break
 13559  		}
 13560  		v.reset(OpS390XMOVWBRstoreidx)
 13561  		v.AuxInt = i - 2
 13562  		v.Aux = s
 13563  		v.AddArg(p)
 13564  		v.AddArg(idx)
 13565  		v.AddArg(w0)
 13566  		v.AddArg(mem)
 13567  		return true
 13568  	}
 13569  	// match: (MOVHBRstoreidx [i] {s} idx p (SRDconst [j] w) x:(MOVHBRstoreidx [i-2] {s} p idx w0:(SRDconst [j-16] w) mem))
 13570  	// cond: x.Uses == 1   && clobber(x)
 13571  	// result: (MOVWBRstoreidx [i-2] {s} p idx w0 mem)
 13572  	for {
 13573  		i := v.AuxInt
 13574  		s := v.Aux
 13575  		idx := v.Args[0]
 13576  		p := v.Args[1]
 13577  		v_2 := v.Args[2]
 13578  		if v_2.Op != OpS390XSRDconst {
 13579  			break
 13580  		}
 13581  		j := v_2.AuxInt
 13582  		w := v_2.Args[0]
 13583  		x := v.Args[3]
 13584  		if x.Op != OpS390XMOVHBRstoreidx {
 13585  			break
 13586  		}
 13587  		if x.AuxInt != i-2 {
 13588  			break
 13589  		}
 13590  		if x.Aux != s {
 13591  			break
 13592  		}
 13593  		if p != x.Args[0] {
 13594  			break
 13595  		}
 13596  		if idx != x.Args[1] {
 13597  			break
 13598  		}
 13599  		w0 := x.Args[2]
 13600  		if w0.Op != OpS390XSRDconst {
 13601  			break
 13602  		}
 13603  		if w0.AuxInt != j-16 {
 13604  			break
 13605  		}
 13606  		if w != w0.Args[0] {
 13607  			break
 13608  		}
 13609  		mem := x.Args[3]
 13610  		if !(x.Uses == 1 && clobber(x)) {
 13611  			break
 13612  		}
 13613  		v.reset(OpS390XMOVWBRstoreidx)
 13614  		v.AuxInt = i - 2
 13615  		v.Aux = s
 13616  		v.AddArg(p)
 13617  		v.AddArg(idx)
 13618  		v.AddArg(w0)
 13619  		v.AddArg(mem)
 13620  		return true
 13621  	}
 13622  	// match: (MOVHBRstoreidx [i] {s} idx p (SRDconst [j] w) x:(MOVHBRstoreidx [i-2] {s} idx p w0:(SRDconst [j-16] w) mem))
 13623  	// cond: x.Uses == 1   && clobber(x)
 13624  	// result: (MOVWBRstoreidx [i-2] {s} p idx w0 mem)
 13625  	for {
 13626  		i := v.AuxInt
 13627  		s := v.Aux
 13628  		idx := v.Args[0]
 13629  		p := v.Args[1]
 13630  		v_2 := v.Args[2]
 13631  		if v_2.Op != OpS390XSRDconst {
 13632  			break
 13633  		}
 13634  		j := v_2.AuxInt
 13635  		w := v_2.Args[0]
 13636  		x := v.Args[3]
 13637  		if x.Op != OpS390XMOVHBRstoreidx {
 13638  			break
 13639  		}
 13640  		if x.AuxInt != i-2 {
 13641  			break
 13642  		}
 13643  		if x.Aux != s {
 13644  			break
 13645  		}
 13646  		if idx != x.Args[0] {
 13647  			break
 13648  		}
 13649  		if p != x.Args[1] {
 13650  			break
 13651  		}
 13652  		w0 := x.Args[2]
 13653  		if w0.Op != OpS390XSRDconst {
 13654  			break
 13655  		}
 13656  		if w0.AuxInt != j-16 {
 13657  			break
 13658  		}
 13659  		if w != w0.Args[0] {
 13660  			break
 13661  		}
 13662  		mem := x.Args[3]
 13663  		if !(x.Uses == 1 && clobber(x)) {
 13664  			break
 13665  		}
 13666  		v.reset(OpS390XMOVWBRstoreidx)
 13667  		v.AuxInt = i - 2
 13668  		v.Aux = s
 13669  		v.AddArg(p)
 13670  		v.AddArg(idx)
 13671  		v.AddArg(w0)
 13672  		v.AddArg(mem)
 13673  		return true
 13674  	}
 13675  	// match: (MOVHBRstoreidx [i] {s} p idx (SRWconst [16] w) x:(MOVHBRstoreidx [i-2] {s} p idx w mem))
 13676  	// cond: x.Uses == 1   && clobber(x)
 13677  	// result: (MOVWBRstoreidx [i-2] {s} p idx w mem)
 13678  	for {
 13679  		i := v.AuxInt
 13680  		s := v.Aux
 13681  		p := v.Args[0]
 13682  		idx := v.Args[1]
 13683  		v_2 := v.Args[2]
 13684  		if v_2.Op != OpS390XSRWconst {
 13685  			break
 13686  		}
 13687  		if v_2.AuxInt != 16 {
 13688  			break
 13689  		}
 13690  		w := v_2.Args[0]
 13691  		x := v.Args[3]
 13692  		if x.Op != OpS390XMOVHBRstoreidx {
 13693  			break
 13694  		}
 13695  		if x.AuxInt != i-2 {
 13696  			break
 13697  		}
 13698  		if x.Aux != s {
 13699  			break
 13700  		}
 13701  		if p != x.Args[0] {
 13702  			break
 13703  		}
 13704  		if idx != x.Args[1] {
 13705  			break
 13706  		}
 13707  		if w != x.Args[2] {
 13708  			break
 13709  		}
 13710  		mem := x.Args[3]
 13711  		if !(x.Uses == 1 && clobber(x)) {
 13712  			break
 13713  		}
 13714  		v.reset(OpS390XMOVWBRstoreidx)
 13715  		v.AuxInt = i - 2
 13716  		v.Aux = s
 13717  		v.AddArg(p)
 13718  		v.AddArg(idx)
 13719  		v.AddArg(w)
 13720  		v.AddArg(mem)
 13721  		return true
 13722  	}
 13723  	// match: (MOVHBRstoreidx [i] {s} p idx (SRWconst [16] w) x:(MOVHBRstoreidx [i-2] {s} idx p w mem))
 13724  	// cond: x.Uses == 1   && clobber(x)
 13725  	// result: (MOVWBRstoreidx [i-2] {s} p idx w mem)
 13726  	for {
 13727  		i := v.AuxInt
 13728  		s := v.Aux
 13729  		p := v.Args[0]
 13730  		idx := v.Args[1]
 13731  		v_2 := v.Args[2]
 13732  		if v_2.Op != OpS390XSRWconst {
 13733  			break
 13734  		}
 13735  		if v_2.AuxInt != 16 {
 13736  			break
 13737  		}
 13738  		w := v_2.Args[0]
 13739  		x := v.Args[3]
 13740  		if x.Op != OpS390XMOVHBRstoreidx {
 13741  			break
 13742  		}
 13743  		if x.AuxInt != i-2 {
 13744  			break
 13745  		}
 13746  		if x.Aux != s {
 13747  			break
 13748  		}
 13749  		if idx != x.Args[0] {
 13750  			break
 13751  		}
 13752  		if p != x.Args[1] {
 13753  			break
 13754  		}
 13755  		if w != x.Args[2] {
 13756  			break
 13757  		}
 13758  		mem := x.Args[3]
 13759  		if !(x.Uses == 1 && clobber(x)) {
 13760  			break
 13761  		}
 13762  		v.reset(OpS390XMOVWBRstoreidx)
 13763  		v.AuxInt = i - 2
 13764  		v.Aux = s
 13765  		v.AddArg(p)
 13766  		v.AddArg(idx)
 13767  		v.AddArg(w)
 13768  		v.AddArg(mem)
 13769  		return true
 13770  	}
 13771  	// match: (MOVHBRstoreidx [i] {s} idx p (SRWconst [16] w) x:(MOVHBRstoreidx [i-2] {s} p idx w mem))
 13772  	// cond: x.Uses == 1   && clobber(x)
 13773  	// result: (MOVWBRstoreidx [i-2] {s} p idx w mem)
 13774  	for {
 13775  		i := v.AuxInt
 13776  		s := v.Aux
 13777  		idx := v.Args[0]
 13778  		p := v.Args[1]
 13779  		v_2 := v.Args[2]
 13780  		if v_2.Op != OpS390XSRWconst {
 13781  			break
 13782  		}
 13783  		if v_2.AuxInt != 16 {
 13784  			break
 13785  		}
 13786  		w := v_2.Args[0]
 13787  		x := v.Args[3]
 13788  		if x.Op != OpS390XMOVHBRstoreidx {
 13789  			break
 13790  		}
 13791  		if x.AuxInt != i-2 {
 13792  			break
 13793  		}
 13794  		if x.Aux != s {
 13795  			break
 13796  		}
 13797  		if p != x.Args[0] {
 13798  			break
 13799  		}
 13800  		if idx != x.Args[1] {
 13801  			break
 13802  		}
 13803  		if w != x.Args[2] {
 13804  			break
 13805  		}
 13806  		mem := x.Args[3]
 13807  		if !(x.Uses == 1 && clobber(x)) {
 13808  			break
 13809  		}
 13810  		v.reset(OpS390XMOVWBRstoreidx)
 13811  		v.AuxInt = i - 2
 13812  		v.Aux = s
 13813  		v.AddArg(p)
 13814  		v.AddArg(idx)
 13815  		v.AddArg(w)
 13816  		v.AddArg(mem)
 13817  		return true
 13818  	}
 13819  	// match: (MOVHBRstoreidx [i] {s} idx p (SRWconst [16] w) x:(MOVHBRstoreidx [i-2] {s} idx p w mem))
 13820  	// cond: x.Uses == 1   && clobber(x)
 13821  	// result: (MOVWBRstoreidx [i-2] {s} p idx w mem)
 13822  	for {
 13823  		i := v.AuxInt
 13824  		s := v.Aux
 13825  		idx := v.Args[0]
 13826  		p := v.Args[1]
 13827  		v_2 := v.Args[2]
 13828  		if v_2.Op != OpS390XSRWconst {
 13829  			break
 13830  		}
 13831  		if v_2.AuxInt != 16 {
 13832  			break
 13833  		}
 13834  		w := v_2.Args[0]
 13835  		x := v.Args[3]
 13836  		if x.Op != OpS390XMOVHBRstoreidx {
 13837  			break
 13838  		}
 13839  		if x.AuxInt != i-2 {
 13840  			break
 13841  		}
 13842  		if x.Aux != s {
 13843  			break
 13844  		}
 13845  		if idx != x.Args[0] {
 13846  			break
 13847  		}
 13848  		if p != x.Args[1] {
 13849  			break
 13850  		}
 13851  		if w != x.Args[2] {
 13852  			break
 13853  		}
 13854  		mem := x.Args[3]
 13855  		if !(x.Uses == 1 && clobber(x)) {
 13856  			break
 13857  		}
 13858  		v.reset(OpS390XMOVWBRstoreidx)
 13859  		v.AuxInt = i - 2
 13860  		v.Aux = s
 13861  		v.AddArg(p)
 13862  		v.AddArg(idx)
 13863  		v.AddArg(w)
 13864  		v.AddArg(mem)
 13865  		return true
 13866  	}
 13867  	// match: (MOVHBRstoreidx [i] {s} p idx (SRWconst [j] w) x:(MOVHBRstoreidx [i-2] {s} p idx w0:(SRWconst [j-16] w) mem))
 13868  	// cond: x.Uses == 1   && clobber(x)
 13869  	// result: (MOVWBRstoreidx [i-2] {s} p idx w0 mem)
 13870  	for {
 13871  		i := v.AuxInt
 13872  		s := v.Aux
 13873  		p := v.Args[0]
 13874  		idx := v.Args[1]
 13875  		v_2 := v.Args[2]
 13876  		if v_2.Op != OpS390XSRWconst {
 13877  			break
 13878  		}
 13879  		j := v_2.AuxInt
 13880  		w := v_2.Args[0]
 13881  		x := v.Args[3]
 13882  		if x.Op != OpS390XMOVHBRstoreidx {
 13883  			break
 13884  		}
 13885  		if x.AuxInt != i-2 {
 13886  			break
 13887  		}
 13888  		if x.Aux != s {
 13889  			break
 13890  		}
 13891  		if p != x.Args[0] {
 13892  			break
 13893  		}
 13894  		if idx != x.Args[1] {
 13895  			break
 13896  		}
 13897  		w0 := x.Args[2]
 13898  		if w0.Op != OpS390XSRWconst {
 13899  			break
 13900  		}
 13901  		if w0.AuxInt != j-16 {
 13902  			break
 13903  		}
 13904  		if w != w0.Args[0] {
 13905  			break
 13906  		}
 13907  		mem := x.Args[3]
 13908  		if !(x.Uses == 1 && clobber(x)) {
 13909  			break
 13910  		}
 13911  		v.reset(OpS390XMOVWBRstoreidx)
 13912  		v.AuxInt = i - 2
 13913  		v.Aux = s
 13914  		v.AddArg(p)
 13915  		v.AddArg(idx)
 13916  		v.AddArg(w0)
 13917  		v.AddArg(mem)
 13918  		return true
 13919  	}
 13920  	// match: (MOVHBRstoreidx [i] {s} p idx (SRWconst [j] w) x:(MOVHBRstoreidx [i-2] {s} idx p w0:(SRWconst [j-16] w) mem))
 13921  	// cond: x.Uses == 1   && clobber(x)
 13922  	// result: (MOVWBRstoreidx [i-2] {s} p idx w0 mem)
 13923  	for {
 13924  		i := v.AuxInt
 13925  		s := v.Aux
 13926  		p := v.Args[0]
 13927  		idx := v.Args[1]
 13928  		v_2 := v.Args[2]
 13929  		if v_2.Op != OpS390XSRWconst {
 13930  			break
 13931  		}
 13932  		j := v_2.AuxInt
 13933  		w := v_2.Args[0]
 13934  		x := v.Args[3]
 13935  		if x.Op != OpS390XMOVHBRstoreidx {
 13936  			break
 13937  		}
 13938  		if x.AuxInt != i-2 {
 13939  			break
 13940  		}
 13941  		if x.Aux != s {
 13942  			break
 13943  		}
 13944  		if idx != x.Args[0] {
 13945  			break
 13946  		}
 13947  		if p != x.Args[1] {
 13948  			break
 13949  		}
 13950  		w0 := x.Args[2]
 13951  		if w0.Op != OpS390XSRWconst {
 13952  			break
 13953  		}
 13954  		if w0.AuxInt != j-16 {
 13955  			break
 13956  		}
 13957  		if w != w0.Args[0] {
 13958  			break
 13959  		}
 13960  		mem := x.Args[3]
 13961  		if !(x.Uses == 1 && clobber(x)) {
 13962  			break
 13963  		}
 13964  		v.reset(OpS390XMOVWBRstoreidx)
 13965  		v.AuxInt = i - 2
 13966  		v.Aux = s
 13967  		v.AddArg(p)
 13968  		v.AddArg(idx)
 13969  		v.AddArg(w0)
 13970  		v.AddArg(mem)
 13971  		return true
 13972  	}
 13973  	// match: (MOVHBRstoreidx [i] {s} idx p (SRWconst [j] w) x:(MOVHBRstoreidx [i-2] {s} p idx w0:(SRWconst [j-16] w) mem))
 13974  	// cond: x.Uses == 1   && clobber(x)
 13975  	// result: (MOVWBRstoreidx [i-2] {s} p idx w0 mem)
 13976  	for {
 13977  		i := v.AuxInt
 13978  		s := v.Aux
 13979  		idx := v.Args[0]
 13980  		p := v.Args[1]
 13981  		v_2 := v.Args[2]
 13982  		if v_2.Op != OpS390XSRWconst {
 13983  			break
 13984  		}
 13985  		j := v_2.AuxInt
 13986  		w := v_2.Args[0]
 13987  		x := v.Args[3]
 13988  		if x.Op != OpS390XMOVHBRstoreidx {
 13989  			break
 13990  		}
 13991  		if x.AuxInt != i-2 {
 13992  			break
 13993  		}
 13994  		if x.Aux != s {
 13995  			break
 13996  		}
 13997  		if p != x.Args[0] {
 13998  			break
 13999  		}
 14000  		if idx != x.Args[1] {
 14001  			break
 14002  		}
 14003  		w0 := x.Args[2]
 14004  		if w0.Op != OpS390XSRWconst {
 14005  			break
 14006  		}
 14007  		if w0.AuxInt != j-16 {
 14008  			break
 14009  		}
 14010  		if w != w0.Args[0] {
 14011  			break
 14012  		}
 14013  		mem := x.Args[3]
 14014  		if !(x.Uses == 1 && clobber(x)) {
 14015  			break
 14016  		}
 14017  		v.reset(OpS390XMOVWBRstoreidx)
 14018  		v.AuxInt = i - 2
 14019  		v.Aux = s
 14020  		v.AddArg(p)
 14021  		v.AddArg(idx)
 14022  		v.AddArg(w0)
 14023  		v.AddArg(mem)
 14024  		return true
 14025  	}
 14026  	// match: (MOVHBRstoreidx [i] {s} idx p (SRWconst [j] w) x:(MOVHBRstoreidx [i-2] {s} idx p w0:(SRWconst [j-16] w) mem))
 14027  	// cond: x.Uses == 1   && clobber(x)
 14028  	// result: (MOVWBRstoreidx [i-2] {s} p idx w0 mem)
 14029  	for {
 14030  		i := v.AuxInt
 14031  		s := v.Aux
 14032  		idx := v.Args[0]
 14033  		p := v.Args[1]
 14034  		v_2 := v.Args[2]
 14035  		if v_2.Op != OpS390XSRWconst {
 14036  			break
 14037  		}
 14038  		j := v_2.AuxInt
 14039  		w := v_2.Args[0]
 14040  		x := v.Args[3]
 14041  		if x.Op != OpS390XMOVHBRstoreidx {
 14042  			break
 14043  		}
 14044  		if x.AuxInt != i-2 {
 14045  			break
 14046  		}
 14047  		if x.Aux != s {
 14048  			break
 14049  		}
 14050  		if idx != x.Args[0] {
 14051  			break
 14052  		}
 14053  		if p != x.Args[1] {
 14054  			break
 14055  		}
 14056  		w0 := x.Args[2]
 14057  		if w0.Op != OpS390XSRWconst {
 14058  			break
 14059  		}
 14060  		if w0.AuxInt != j-16 {
 14061  			break
 14062  		}
 14063  		if w != w0.Args[0] {
 14064  			break
 14065  		}
 14066  		mem := x.Args[3]
 14067  		if !(x.Uses == 1 && clobber(x)) {
 14068  			break
 14069  		}
 14070  		v.reset(OpS390XMOVWBRstoreidx)
 14071  		v.AuxInt = i - 2
 14072  		v.Aux = s
 14073  		v.AddArg(p)
 14074  		v.AddArg(idx)
 14075  		v.AddArg(w0)
 14076  		v.AddArg(mem)
 14077  		return true
 14078  	}
 14079  	return false
 14080  }
 14081  func rewriteValueS390X_OpS390XMOVHZload(v *Value) bool {
 14082  	// match: (MOVHZload [off] {sym} ptr (MOVHstore [off2] {sym2} ptr2 x _))
 14083  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 14084  	// result: (MOVHZreg x)
 14085  	for {
 14086  		off := v.AuxInt
 14087  		sym := v.Aux
 14088  		ptr := v.Args[0]
 14089  		v_1 := v.Args[1]
 14090  		if v_1.Op != OpS390XMOVHstore {
 14091  			break
 14092  		}
 14093  		off2 := v_1.AuxInt
 14094  		sym2 := v_1.Aux
 14095  		ptr2 := v_1.Args[0]
 14096  		x := v_1.Args[1]
 14097  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 14098  			break
 14099  		}
 14100  		v.reset(OpS390XMOVHZreg)
 14101  		v.AddArg(x)
 14102  		return true
 14103  	}
 14104  	// match: (MOVHZload [off1] {sym} (ADDconst [off2] ptr) mem)
 14105  	// cond: is20Bit(off1+off2)
 14106  	// result: (MOVHZload [off1+off2] {sym} ptr mem)
 14107  	for {
 14108  		off1 := v.AuxInt
 14109  		sym := v.Aux
 14110  		v_0 := v.Args[0]
 14111  		if v_0.Op != OpS390XADDconst {
 14112  			break
 14113  		}
 14114  		off2 := v_0.AuxInt
 14115  		ptr := v_0.Args[0]
 14116  		mem := v.Args[1]
 14117  		if !(is20Bit(off1 + off2)) {
 14118  			break
 14119  		}
 14120  		v.reset(OpS390XMOVHZload)
 14121  		v.AuxInt = off1 + off2
 14122  		v.Aux = sym
 14123  		v.AddArg(ptr)
 14124  		v.AddArg(mem)
 14125  		return true
 14126  	}
 14127  	// match: (MOVHZload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 14128  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 14129  	// result: (MOVHZload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
 14130  	for {
 14131  		off1 := v.AuxInt
 14132  		sym1 := v.Aux
 14133  		v_0 := v.Args[0]
 14134  		if v_0.Op != OpS390XMOVDaddr {
 14135  			break
 14136  		}
 14137  		off2 := v_0.AuxInt
 14138  		sym2 := v_0.Aux
 14139  		base := v_0.Args[0]
 14140  		mem := v.Args[1]
 14141  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 14142  			break
 14143  		}
 14144  		v.reset(OpS390XMOVHZload)
 14145  		v.AuxInt = off1 + off2
 14146  		v.Aux = mergeSym(sym1, sym2)
 14147  		v.AddArg(base)
 14148  		v.AddArg(mem)
 14149  		return true
 14150  	}
 14151  	// match: (MOVHZload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
 14152  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 14153  	// result: (MOVHZloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
 14154  	for {
 14155  		off1 := v.AuxInt
 14156  		sym1 := v.Aux
 14157  		v_0 := v.Args[0]
 14158  		if v_0.Op != OpS390XMOVDaddridx {
 14159  			break
 14160  		}
 14161  		off2 := v_0.AuxInt
 14162  		sym2 := v_0.Aux
 14163  		ptr := v_0.Args[0]
 14164  		idx := v_0.Args[1]
 14165  		mem := v.Args[1]
 14166  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 14167  			break
 14168  		}
 14169  		v.reset(OpS390XMOVHZloadidx)
 14170  		v.AuxInt = off1 + off2
 14171  		v.Aux = mergeSym(sym1, sym2)
 14172  		v.AddArg(ptr)
 14173  		v.AddArg(idx)
 14174  		v.AddArg(mem)
 14175  		return true
 14176  	}
 14177  	// match: (MOVHZload [off] {sym} (ADD ptr idx) mem)
 14178  	// cond: ptr.Op != OpSB
 14179  	// result: (MOVHZloadidx [off] {sym} ptr idx mem)
 14180  	for {
 14181  		off := v.AuxInt
 14182  		sym := v.Aux
 14183  		v_0 := v.Args[0]
 14184  		if v_0.Op != OpS390XADD {
 14185  			break
 14186  		}
 14187  		ptr := v_0.Args[0]
 14188  		idx := v_0.Args[1]
 14189  		mem := v.Args[1]
 14190  		if !(ptr.Op != OpSB) {
 14191  			break
 14192  		}
 14193  		v.reset(OpS390XMOVHZloadidx)
 14194  		v.AuxInt = off
 14195  		v.Aux = sym
 14196  		v.AddArg(ptr)
 14197  		v.AddArg(idx)
 14198  		v.AddArg(mem)
 14199  		return true
 14200  	}
 14201  	return false
 14202  }
 14203  func rewriteValueS390X_OpS390XMOVHZloadidx(v *Value) bool {
 14204  	// match: (MOVHZloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
 14205  	// cond:
 14206  	// result: (MOVHZloadidx [c+d] {sym} ptr idx mem)
 14207  	for {
 14208  		c := v.AuxInt
 14209  		sym := v.Aux
 14210  		v_0 := v.Args[0]
 14211  		if v_0.Op != OpS390XADDconst {
 14212  			break
 14213  		}
 14214  		d := v_0.AuxInt
 14215  		ptr := v_0.Args[0]
 14216  		idx := v.Args[1]
 14217  		mem := v.Args[2]
 14218  		v.reset(OpS390XMOVHZloadidx)
 14219  		v.AuxInt = c + d
 14220  		v.Aux = sym
 14221  		v.AddArg(ptr)
 14222  		v.AddArg(idx)
 14223  		v.AddArg(mem)
 14224  		return true
 14225  	}
 14226  	// match: (MOVHZloadidx [c] {sym} idx (ADDconst [d] ptr) mem)
 14227  	// cond:
 14228  	// result: (MOVHZloadidx [c+d] {sym} ptr idx mem)
 14229  	for {
 14230  		c := v.AuxInt
 14231  		sym := v.Aux
 14232  		idx := v.Args[0]
 14233  		v_1 := v.Args[1]
 14234  		if v_1.Op != OpS390XADDconst {
 14235  			break
 14236  		}
 14237  		d := v_1.AuxInt
 14238  		ptr := v_1.Args[0]
 14239  		mem := v.Args[2]
 14240  		v.reset(OpS390XMOVHZloadidx)
 14241  		v.AuxInt = c + d
 14242  		v.Aux = sym
 14243  		v.AddArg(ptr)
 14244  		v.AddArg(idx)
 14245  		v.AddArg(mem)
 14246  		return true
 14247  	}
 14248  	// match: (MOVHZloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
 14249  	// cond:
 14250  	// result: (MOVHZloadidx [c+d] {sym} ptr idx mem)
 14251  	for {
 14252  		c := v.AuxInt
 14253  		sym := v.Aux
 14254  		ptr := v.Args[0]
 14255  		v_1 := v.Args[1]
 14256  		if v_1.Op != OpS390XADDconst {
 14257  			break
 14258  		}
 14259  		d := v_1.AuxInt
 14260  		idx := v_1.Args[0]
 14261  		mem := v.Args[2]
 14262  		v.reset(OpS390XMOVHZloadidx)
 14263  		v.AuxInt = c + d
 14264  		v.Aux = sym
 14265  		v.AddArg(ptr)
 14266  		v.AddArg(idx)
 14267  		v.AddArg(mem)
 14268  		return true
 14269  	}
 14270  	// match: (MOVHZloadidx [c] {sym} (ADDconst [d] idx) ptr mem)
 14271  	// cond:
 14272  	// result: (MOVHZloadidx [c+d] {sym} ptr idx mem)
 14273  	for {
 14274  		c := v.AuxInt
 14275  		sym := v.Aux
 14276  		v_0 := v.Args[0]
 14277  		if v_0.Op != OpS390XADDconst {
 14278  			break
 14279  		}
 14280  		d := v_0.AuxInt
 14281  		idx := v_0.Args[0]
 14282  		ptr := v.Args[1]
 14283  		mem := v.Args[2]
 14284  		v.reset(OpS390XMOVHZloadidx)
 14285  		v.AuxInt = c + d
 14286  		v.Aux = sym
 14287  		v.AddArg(ptr)
 14288  		v.AddArg(idx)
 14289  		v.AddArg(mem)
 14290  		return true
 14291  	}
 14292  	return false
 14293  }
 14294  func rewriteValueS390X_OpS390XMOVHZreg(v *Value) bool {
 14295  	b := v.Block
 14296  	_ = b
 14297  	// match: (MOVHZreg x:(MOVBZload _ _))
 14298  	// cond:
 14299  	// result: (MOVDreg x)
 14300  	for {
 14301  		x := v.Args[0]
 14302  		if x.Op != OpS390XMOVBZload {
 14303  			break
 14304  		}
 14305  		v.reset(OpS390XMOVDreg)
 14306  		v.AddArg(x)
 14307  		return true
 14308  	}
 14309  	// match: (MOVHZreg x:(MOVHZload _ _))
 14310  	// cond:
 14311  	// result: (MOVDreg x)
 14312  	for {
 14313  		x := v.Args[0]
 14314  		if x.Op != OpS390XMOVHZload {
 14315  			break
 14316  		}
 14317  		v.reset(OpS390XMOVDreg)
 14318  		v.AddArg(x)
 14319  		return true
 14320  	}
 14321  	// match: (MOVHZreg x:(Arg <t>))
 14322  	// cond: (is8BitInt(t) || is16BitInt(t)) && !isSigned(t)
 14323  	// result: (MOVDreg x)
 14324  	for {
 14325  		x := v.Args[0]
 14326  		if x.Op != OpArg {
 14327  			break
 14328  		}
 14329  		t := x.Type
 14330  		if !((is8BitInt(t) || is16BitInt(t)) && !isSigned(t)) {
 14331  			break
 14332  		}
 14333  		v.reset(OpS390XMOVDreg)
 14334  		v.AddArg(x)
 14335  		return true
 14336  	}
 14337  	// match: (MOVHZreg x:(MOVBZreg _))
 14338  	// cond:
 14339  	// result: (MOVDreg x)
 14340  	for {
 14341  		x := v.Args[0]
 14342  		if x.Op != OpS390XMOVBZreg {
 14343  			break
 14344  		}
 14345  		v.reset(OpS390XMOVDreg)
 14346  		v.AddArg(x)
 14347  		return true
 14348  	}
 14349  	// match: (MOVHZreg x:(MOVHZreg _))
 14350  	// cond:
 14351  	// result: (MOVDreg x)
 14352  	for {
 14353  		x := v.Args[0]
 14354  		if x.Op != OpS390XMOVHZreg {
 14355  			break
 14356  		}
 14357  		v.reset(OpS390XMOVDreg)
 14358  		v.AddArg(x)
 14359  		return true
 14360  	}
 14361  	// match: (MOVHZreg (MOVDconst [c]))
 14362  	// cond:
 14363  	// result: (MOVDconst [int64(uint16(c))])
 14364  	for {
 14365  		v_0 := v.Args[0]
 14366  		if v_0.Op != OpS390XMOVDconst {
 14367  			break
 14368  		}
 14369  		c := v_0.AuxInt
 14370  		v.reset(OpS390XMOVDconst)
 14371  		v.AuxInt = int64(uint16(c))
 14372  		return true
 14373  	}
 14374  	// match: (MOVHZreg x:(MOVHZload [off] {sym} ptr mem))
 14375  	// cond: x.Uses == 1 && clobber(x)
 14376  	// result: @x.Block (MOVHZload <v.Type> [off] {sym} ptr mem)
 14377  	for {
 14378  		x := v.Args[0]
 14379  		if x.Op != OpS390XMOVHZload {
 14380  			break
 14381  		}
 14382  		off := x.AuxInt
 14383  		sym := x.Aux
 14384  		ptr := x.Args[0]
 14385  		mem := x.Args[1]
 14386  		if !(x.Uses == 1 && clobber(x)) {
 14387  			break
 14388  		}
 14389  		b = x.Block
 14390  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZload, v.Type)
 14391  		v.reset(OpCopy)
 14392  		v.AddArg(v0)
 14393  		v0.AuxInt = off
 14394  		v0.Aux = sym
 14395  		v0.AddArg(ptr)
 14396  		v0.AddArg(mem)
 14397  		return true
 14398  	}
 14399  	// match: (MOVHZreg x:(MOVHZloadidx [off] {sym} ptr idx mem))
 14400  	// cond: x.Uses == 1 && clobber(x)
 14401  	// result: @x.Block (MOVHZloadidx <v.Type> [off] {sym} ptr idx mem)
 14402  	for {
 14403  		x := v.Args[0]
 14404  		if x.Op != OpS390XMOVHZloadidx {
 14405  			break
 14406  		}
 14407  		off := x.AuxInt
 14408  		sym := x.Aux
 14409  		ptr := x.Args[0]
 14410  		idx := x.Args[1]
 14411  		mem := x.Args[2]
 14412  		if !(x.Uses == 1 && clobber(x)) {
 14413  			break
 14414  		}
 14415  		b = x.Block
 14416  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, v.Type)
 14417  		v.reset(OpCopy)
 14418  		v.AddArg(v0)
 14419  		v0.AuxInt = off
 14420  		v0.Aux = sym
 14421  		v0.AddArg(ptr)
 14422  		v0.AddArg(idx)
 14423  		v0.AddArg(mem)
 14424  		return true
 14425  	}
 14426  	return false
 14427  }
 14428  func rewriteValueS390X_OpS390XMOVHload(v *Value) bool {
 14429  	// match: (MOVHload [off1] {sym} (ADDconst [off2] ptr) mem)
 14430  	// cond: is20Bit(off1+off2)
 14431  	// result: (MOVHload  [off1+off2] {sym} ptr mem)
 14432  	for {
 14433  		off1 := v.AuxInt
 14434  		sym := v.Aux
 14435  		v_0 := v.Args[0]
 14436  		if v_0.Op != OpS390XADDconst {
 14437  			break
 14438  		}
 14439  		off2 := v_0.AuxInt
 14440  		ptr := v_0.Args[0]
 14441  		mem := v.Args[1]
 14442  		if !(is20Bit(off1 + off2)) {
 14443  			break
 14444  		}
 14445  		v.reset(OpS390XMOVHload)
 14446  		v.AuxInt = off1 + off2
 14447  		v.Aux = sym
 14448  		v.AddArg(ptr)
 14449  		v.AddArg(mem)
 14450  		return true
 14451  	}
 14452  	// match: (MOVHload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 14453  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 14454  	// result: (MOVHload [off1+off2] {mergeSym(sym1,sym2)} base mem)
 14455  	for {
 14456  		off1 := v.AuxInt
 14457  		sym1 := v.Aux
 14458  		v_0 := v.Args[0]
 14459  		if v_0.Op != OpS390XMOVDaddr {
 14460  			break
 14461  		}
 14462  		off2 := v_0.AuxInt
 14463  		sym2 := v_0.Aux
 14464  		base := v_0.Args[0]
 14465  		mem := v.Args[1]
 14466  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 14467  			break
 14468  		}
 14469  		v.reset(OpS390XMOVHload)
 14470  		v.AuxInt = off1 + off2
 14471  		v.Aux = mergeSym(sym1, sym2)
 14472  		v.AddArg(base)
 14473  		v.AddArg(mem)
 14474  		return true
 14475  	}
 14476  	return false
 14477  }
 14478  func rewriteValueS390X_OpS390XMOVHreg(v *Value) bool {
 14479  	b := v.Block
 14480  	_ = b
 14481  	// match: (MOVHreg x:(MOVBload _ _))
 14482  	// cond:
 14483  	// result: (MOVDreg x)
 14484  	for {
 14485  		x := v.Args[0]
 14486  		if x.Op != OpS390XMOVBload {
 14487  			break
 14488  		}
 14489  		v.reset(OpS390XMOVDreg)
 14490  		v.AddArg(x)
 14491  		return true
 14492  	}
 14493  	// match: (MOVHreg x:(MOVBZload _ _))
 14494  	// cond:
 14495  	// result: (MOVDreg x)
 14496  	for {
 14497  		x := v.Args[0]
 14498  		if x.Op != OpS390XMOVBZload {
 14499  			break
 14500  		}
 14501  		v.reset(OpS390XMOVDreg)
 14502  		v.AddArg(x)
 14503  		return true
 14504  	}
 14505  	// match: (MOVHreg x:(MOVHload _ _))
 14506  	// cond:
 14507  	// result: (MOVDreg x)
 14508  	for {
 14509  		x := v.Args[0]
 14510  		if x.Op != OpS390XMOVHload {
 14511  			break
 14512  		}
 14513  		v.reset(OpS390XMOVDreg)
 14514  		v.AddArg(x)
 14515  		return true
 14516  	}
 14517  	// match: (MOVHreg x:(Arg <t>))
 14518  	// cond: (is8BitInt(t) || is16BitInt(t)) && isSigned(t)
 14519  	// result: (MOVDreg x)
 14520  	for {
 14521  		x := v.Args[0]
 14522  		if x.Op != OpArg {
 14523  			break
 14524  		}
 14525  		t := x.Type
 14526  		if !((is8BitInt(t) || is16BitInt(t)) && isSigned(t)) {
 14527  			break
 14528  		}
 14529  		v.reset(OpS390XMOVDreg)
 14530  		v.AddArg(x)
 14531  		return true
 14532  	}
 14533  	// match: (MOVHreg x:(MOVBreg _))
 14534  	// cond:
 14535  	// result: (MOVDreg x)
 14536  	for {
 14537  		x := v.Args[0]
 14538  		if x.Op != OpS390XMOVBreg {
 14539  			break
 14540  		}
 14541  		v.reset(OpS390XMOVDreg)
 14542  		v.AddArg(x)
 14543  		return true
 14544  	}
 14545  	// match: (MOVHreg x:(MOVBZreg _))
 14546  	// cond:
 14547  	// result: (MOVDreg x)
 14548  	for {
 14549  		x := v.Args[0]
 14550  		if x.Op != OpS390XMOVBZreg {
 14551  			break
 14552  		}
 14553  		v.reset(OpS390XMOVDreg)
 14554  		v.AddArg(x)
 14555  		return true
 14556  	}
 14557  	// match: (MOVHreg x:(MOVHreg _))
 14558  	// cond:
 14559  	// result: (MOVDreg x)
 14560  	for {
 14561  		x := v.Args[0]
 14562  		if x.Op != OpS390XMOVHreg {
 14563  			break
 14564  		}
 14565  		v.reset(OpS390XMOVDreg)
 14566  		v.AddArg(x)
 14567  		return true
 14568  	}
 14569  	// match: (MOVHreg (MOVDconst [c]))
 14570  	// cond:
 14571  	// result: (MOVDconst [int64(int16(c))])
 14572  	for {
 14573  		v_0 := v.Args[0]
 14574  		if v_0.Op != OpS390XMOVDconst {
 14575  			break
 14576  		}
 14577  		c := v_0.AuxInt
 14578  		v.reset(OpS390XMOVDconst)
 14579  		v.AuxInt = int64(int16(c))
 14580  		return true
 14581  	}
 14582  	// match: (MOVHreg x:(MOVHZload [off] {sym} ptr mem))
 14583  	// cond: x.Uses == 1 && clobber(x)
 14584  	// result: @x.Block (MOVHload <v.Type> [off] {sym} ptr mem)
 14585  	for {
 14586  		x := v.Args[0]
 14587  		if x.Op != OpS390XMOVHZload {
 14588  			break
 14589  		}
 14590  		off := x.AuxInt
 14591  		sym := x.Aux
 14592  		ptr := x.Args[0]
 14593  		mem := x.Args[1]
 14594  		if !(x.Uses == 1 && clobber(x)) {
 14595  			break
 14596  		}
 14597  		b = x.Block
 14598  		v0 := b.NewValue0(v.Pos, OpS390XMOVHload, v.Type)
 14599  		v.reset(OpCopy)
 14600  		v.AddArg(v0)
 14601  		v0.AuxInt = off
 14602  		v0.Aux = sym
 14603  		v0.AddArg(ptr)
 14604  		v0.AddArg(mem)
 14605  		return true
 14606  	}
 14607  	return false
 14608  }
 14609  func rewriteValueS390X_OpS390XMOVHstore(v *Value) bool {
 14610  	// match: (MOVHstore [off] {sym} ptr (MOVHreg x) mem)
 14611  	// cond:
 14612  	// result: (MOVHstore [off] {sym} ptr x mem)
 14613  	for {
 14614  		off := v.AuxInt
 14615  		sym := v.Aux
 14616  		ptr := v.Args[0]
 14617  		v_1 := v.Args[1]
 14618  		if v_1.Op != OpS390XMOVHreg {
 14619  			break
 14620  		}
 14621  		x := v_1.Args[0]
 14622  		mem := v.Args[2]
 14623  		v.reset(OpS390XMOVHstore)
 14624  		v.AuxInt = off
 14625  		v.Aux = sym
 14626  		v.AddArg(ptr)
 14627  		v.AddArg(x)
 14628  		v.AddArg(mem)
 14629  		return true
 14630  	}
 14631  	// match: (MOVHstore [off] {sym} ptr (MOVHZreg x) mem)
 14632  	// cond:
 14633  	// result: (MOVHstore [off] {sym} ptr x mem)
 14634  	for {
 14635  		off := v.AuxInt
 14636  		sym := v.Aux
 14637  		ptr := v.Args[0]
 14638  		v_1 := v.Args[1]
 14639  		if v_1.Op != OpS390XMOVHZreg {
 14640  			break
 14641  		}
 14642  		x := v_1.Args[0]
 14643  		mem := v.Args[2]
 14644  		v.reset(OpS390XMOVHstore)
 14645  		v.AuxInt = off
 14646  		v.Aux = sym
 14647  		v.AddArg(ptr)
 14648  		v.AddArg(x)
 14649  		v.AddArg(mem)
 14650  		return true
 14651  	}
 14652  	// match: (MOVHstore [off1] {sym} (ADDconst [off2] ptr) val mem)
 14653  	// cond: is20Bit(off1+off2)
 14654  	// result: (MOVHstore  [off1+off2] {sym} ptr val mem)
 14655  	for {
 14656  		off1 := v.AuxInt
 14657  		sym := v.Aux
 14658  		v_0 := v.Args[0]
 14659  		if v_0.Op != OpS390XADDconst {
 14660  			break
 14661  		}
 14662  		off2 := v_0.AuxInt
 14663  		ptr := v_0.Args[0]
 14664  		val := v.Args[1]
 14665  		mem := v.Args[2]
 14666  		if !(is20Bit(off1 + off2)) {
 14667  			break
 14668  		}
 14669  		v.reset(OpS390XMOVHstore)
 14670  		v.AuxInt = off1 + off2
 14671  		v.Aux = sym
 14672  		v.AddArg(ptr)
 14673  		v.AddArg(val)
 14674  		v.AddArg(mem)
 14675  		return true
 14676  	}
 14677  	// match: (MOVHstore [off] {sym} ptr (MOVDconst [c]) mem)
 14678  	// cond: validOff(off) && ptr.Op != OpSB
 14679  	// result: (MOVHstoreconst [makeValAndOff(int64(int16(c)),off)] {sym} ptr mem)
 14680  	for {
 14681  		off := v.AuxInt
 14682  		sym := v.Aux
 14683  		ptr := v.Args[0]
 14684  		v_1 := v.Args[1]
 14685  		if v_1.Op != OpS390XMOVDconst {
 14686  			break
 14687  		}
 14688  		c := v_1.AuxInt
 14689  		mem := v.Args[2]
 14690  		if !(validOff(off) && ptr.Op != OpSB) {
 14691  			break
 14692  		}
 14693  		v.reset(OpS390XMOVHstoreconst)
 14694  		v.AuxInt = makeValAndOff(int64(int16(c)), off)
 14695  		v.Aux = sym
 14696  		v.AddArg(ptr)
 14697  		v.AddArg(mem)
 14698  		return true
 14699  	}
 14700  	// match: (MOVHstore [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
 14701  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 14702  	// result: (MOVHstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
 14703  	for {
 14704  		off1 := v.AuxInt
 14705  		sym1 := v.Aux
 14706  		v_0 := v.Args[0]
 14707  		if v_0.Op != OpS390XMOVDaddr {
 14708  			break
 14709  		}
 14710  		off2 := v_0.AuxInt
 14711  		sym2 := v_0.Aux
 14712  		base := v_0.Args[0]
 14713  		val := v.Args[1]
 14714  		mem := v.Args[2]
 14715  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 14716  			break
 14717  		}
 14718  		v.reset(OpS390XMOVHstore)
 14719  		v.AuxInt = off1 + off2
 14720  		v.Aux = mergeSym(sym1, sym2)
 14721  		v.AddArg(base)
 14722  		v.AddArg(val)
 14723  		v.AddArg(mem)
 14724  		return true
 14725  	}
 14726  	// match: (MOVHstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
 14727  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 14728  	// result: (MOVHstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
 14729  	for {
 14730  		off1 := v.AuxInt
 14731  		sym1 := v.Aux
 14732  		v_0 := v.Args[0]
 14733  		if v_0.Op != OpS390XMOVDaddridx {
 14734  			break
 14735  		}
 14736  		off2 := v_0.AuxInt
 14737  		sym2 := v_0.Aux
 14738  		ptr := v_0.Args[0]
 14739  		idx := v_0.Args[1]
 14740  		val := v.Args[1]
 14741  		mem := v.Args[2]
 14742  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 14743  			break
 14744  		}
 14745  		v.reset(OpS390XMOVHstoreidx)
 14746  		v.AuxInt = off1 + off2
 14747  		v.Aux = mergeSym(sym1, sym2)
 14748  		v.AddArg(ptr)
 14749  		v.AddArg(idx)
 14750  		v.AddArg(val)
 14751  		v.AddArg(mem)
 14752  		return true
 14753  	}
 14754  	// match: (MOVHstore [off] {sym} (ADD ptr idx) val mem)
 14755  	// cond: ptr.Op != OpSB
 14756  	// result: (MOVHstoreidx [off] {sym} ptr idx val mem)
 14757  	for {
 14758  		off := v.AuxInt
 14759  		sym := v.Aux
 14760  		v_0 := v.Args[0]
 14761  		if v_0.Op != OpS390XADD {
 14762  			break
 14763  		}
 14764  		ptr := v_0.Args[0]
 14765  		idx := v_0.Args[1]
 14766  		val := v.Args[1]
 14767  		mem := v.Args[2]
 14768  		if !(ptr.Op != OpSB) {
 14769  			break
 14770  		}
 14771  		v.reset(OpS390XMOVHstoreidx)
 14772  		v.AuxInt = off
 14773  		v.Aux = sym
 14774  		v.AddArg(ptr)
 14775  		v.AddArg(idx)
 14776  		v.AddArg(val)
 14777  		v.AddArg(mem)
 14778  		return true
 14779  	}
 14780  	// match: (MOVHstore [i] {s} p w x:(MOVHstore [i-2] {s} p (SRDconst [16] w) mem))
 14781  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 14782  	// result: (MOVWstore [i-2] {s} p w mem)
 14783  	for {
 14784  		i := v.AuxInt
 14785  		s := v.Aux
 14786  		p := v.Args[0]
 14787  		w := v.Args[1]
 14788  		x := v.Args[2]
 14789  		if x.Op != OpS390XMOVHstore {
 14790  			break
 14791  		}
 14792  		if x.AuxInt != i-2 {
 14793  			break
 14794  		}
 14795  		if x.Aux != s {
 14796  			break
 14797  		}
 14798  		if p != x.Args[0] {
 14799  			break
 14800  		}
 14801  		x_1 := x.Args[1]
 14802  		if x_1.Op != OpS390XSRDconst {
 14803  			break
 14804  		}
 14805  		if x_1.AuxInt != 16 {
 14806  			break
 14807  		}
 14808  		if w != x_1.Args[0] {
 14809  			break
 14810  		}
 14811  		mem := x.Args[2]
 14812  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 14813  			break
 14814  		}
 14815  		v.reset(OpS390XMOVWstore)
 14816  		v.AuxInt = i - 2
 14817  		v.Aux = s
 14818  		v.AddArg(p)
 14819  		v.AddArg(w)
 14820  		v.AddArg(mem)
 14821  		return true
 14822  	}
 14823  	// match: (MOVHstore [i] {s} p w0:(SRDconst [j] w) x:(MOVHstore [i-2] {s} p (SRDconst [j+16] w) mem))
 14824  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 14825  	// result: (MOVWstore [i-2] {s} p w0 mem)
 14826  	for {
 14827  		i := v.AuxInt
 14828  		s := v.Aux
 14829  		p := v.Args[0]
 14830  		w0 := v.Args[1]
 14831  		if w0.Op != OpS390XSRDconst {
 14832  			break
 14833  		}
 14834  		j := w0.AuxInt
 14835  		w := w0.Args[0]
 14836  		x := v.Args[2]
 14837  		if x.Op != OpS390XMOVHstore {
 14838  			break
 14839  		}
 14840  		if x.AuxInt != i-2 {
 14841  			break
 14842  		}
 14843  		if x.Aux != s {
 14844  			break
 14845  		}
 14846  		if p != x.Args[0] {
 14847  			break
 14848  		}
 14849  		x_1 := x.Args[1]
 14850  		if x_1.Op != OpS390XSRDconst {
 14851  			break
 14852  		}
 14853  		if x_1.AuxInt != j+16 {
 14854  			break
 14855  		}
 14856  		if w != x_1.Args[0] {
 14857  			break
 14858  		}
 14859  		mem := x.Args[2]
 14860  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 14861  			break
 14862  		}
 14863  		v.reset(OpS390XMOVWstore)
 14864  		v.AuxInt = i - 2
 14865  		v.Aux = s
 14866  		v.AddArg(p)
 14867  		v.AddArg(w0)
 14868  		v.AddArg(mem)
 14869  		return true
 14870  	}
 14871  	// match: (MOVHstore [i] {s} p w x:(MOVHstore [i-2] {s} p (SRWconst [16] w) mem))
 14872  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 14873  	// result: (MOVWstore [i-2] {s} p w mem)
 14874  	for {
 14875  		i := v.AuxInt
 14876  		s := v.Aux
 14877  		p := v.Args[0]
 14878  		w := v.Args[1]
 14879  		x := v.Args[2]
 14880  		if x.Op != OpS390XMOVHstore {
 14881  			break
 14882  		}
 14883  		if x.AuxInt != i-2 {
 14884  			break
 14885  		}
 14886  		if x.Aux != s {
 14887  			break
 14888  		}
 14889  		if p != x.Args[0] {
 14890  			break
 14891  		}
 14892  		x_1 := x.Args[1]
 14893  		if x_1.Op != OpS390XSRWconst {
 14894  			break
 14895  		}
 14896  		if x_1.AuxInt != 16 {
 14897  			break
 14898  		}
 14899  		if w != x_1.Args[0] {
 14900  			break
 14901  		}
 14902  		mem := x.Args[2]
 14903  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 14904  			break
 14905  		}
 14906  		v.reset(OpS390XMOVWstore)
 14907  		v.AuxInt = i - 2
 14908  		v.Aux = s
 14909  		v.AddArg(p)
 14910  		v.AddArg(w)
 14911  		v.AddArg(mem)
 14912  		return true
 14913  	}
 14914  	// match: (MOVHstore [i] {s} p w0:(SRWconst [j] w) x:(MOVHstore [i-2] {s} p (SRWconst [j+16] w) mem))
 14915  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 14916  	// result: (MOVWstore [i-2] {s} p w0 mem)
 14917  	for {
 14918  		i := v.AuxInt
 14919  		s := v.Aux
 14920  		p := v.Args[0]
 14921  		w0 := v.Args[1]
 14922  		if w0.Op != OpS390XSRWconst {
 14923  			break
 14924  		}
 14925  		j := w0.AuxInt
 14926  		w := w0.Args[0]
 14927  		x := v.Args[2]
 14928  		if x.Op != OpS390XMOVHstore {
 14929  			break
 14930  		}
 14931  		if x.AuxInt != i-2 {
 14932  			break
 14933  		}
 14934  		if x.Aux != s {
 14935  			break
 14936  		}
 14937  		if p != x.Args[0] {
 14938  			break
 14939  		}
 14940  		x_1 := x.Args[1]
 14941  		if x_1.Op != OpS390XSRWconst {
 14942  			break
 14943  		}
 14944  		if x_1.AuxInt != j+16 {
 14945  			break
 14946  		}
 14947  		if w != x_1.Args[0] {
 14948  			break
 14949  		}
 14950  		mem := x.Args[2]
 14951  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 14952  			break
 14953  		}
 14954  		v.reset(OpS390XMOVWstore)
 14955  		v.AuxInt = i - 2
 14956  		v.Aux = s
 14957  		v.AddArg(p)
 14958  		v.AddArg(w0)
 14959  		v.AddArg(mem)
 14960  		return true
 14961  	}
 14962  	return false
 14963  }
 14964  func rewriteValueS390X_OpS390XMOVHstoreconst(v *Value) bool {
 14965  	// match: (MOVHstoreconst [sc] {s} (ADDconst [off] ptr) mem)
 14966  	// cond: ValAndOff(sc).canAdd(off)
 14967  	// result: (MOVHstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
 14968  	for {
 14969  		sc := v.AuxInt
 14970  		s := v.Aux
 14971  		v_0 := v.Args[0]
 14972  		if v_0.Op != OpS390XADDconst {
 14973  			break
 14974  		}
 14975  		off := v_0.AuxInt
 14976  		ptr := v_0.Args[0]
 14977  		mem := v.Args[1]
 14978  		if !(ValAndOff(sc).canAdd(off)) {
 14979  			break
 14980  		}
 14981  		v.reset(OpS390XMOVHstoreconst)
 14982  		v.AuxInt = ValAndOff(sc).add(off)
 14983  		v.Aux = s
 14984  		v.AddArg(ptr)
 14985  		v.AddArg(mem)
 14986  		return true
 14987  	}
 14988  	// match: (MOVHstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
 14989  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
 14990  	// result: (MOVHstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
 14991  	for {
 14992  		sc := v.AuxInt
 14993  		sym1 := v.Aux
 14994  		v_0 := v.Args[0]
 14995  		if v_0.Op != OpS390XMOVDaddr {
 14996  			break
 14997  		}
 14998  		off := v_0.AuxInt
 14999  		sym2 := v_0.Aux
 15000  		ptr := v_0.Args[0]
 15001  		mem := v.Args[1]
 15002  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
 15003  			break
 15004  		}
 15005  		v.reset(OpS390XMOVHstoreconst)
 15006  		v.AuxInt = ValAndOff(sc).add(off)
 15007  		v.Aux = mergeSym(sym1, sym2)
 15008  		v.AddArg(ptr)
 15009  		v.AddArg(mem)
 15010  		return true
 15011  	}
 15012  	// match: (MOVHstoreconst [c] {s} p x:(MOVHstoreconst [a] {s} p mem))
 15013  	// cond: p.Op != OpSB   && x.Uses == 1   && ValAndOff(a).Off() + 2 == ValAndOff(c).Off()   && clobber(x)
 15014  	// result: (MOVWstoreconst [makeValAndOff(ValAndOff(c).Val()&0xffff | ValAndOff(a).Val()<<16, ValAndOff(a).Off())] {s} p mem)
 15015  	for {
 15016  		c := v.AuxInt
 15017  		s := v.Aux
 15018  		p := v.Args[0]
 15019  		x := v.Args[1]
 15020  		if x.Op != OpS390XMOVHstoreconst {
 15021  			break
 15022  		}
 15023  		a := x.AuxInt
 15024  		if x.Aux != s {
 15025  			break
 15026  		}
 15027  		if p != x.Args[0] {
 15028  			break
 15029  		}
 15030  		mem := x.Args[1]
 15031  		if !(p.Op != OpSB && x.Uses == 1 && ValAndOff(a).Off()+2 == ValAndOff(c).Off() && clobber(x)) {
 15032  			break
 15033  		}
 15034  		v.reset(OpS390XMOVWstoreconst)
 15035  		v.AuxInt = makeValAndOff(ValAndOff(c).Val()&0xffff|ValAndOff(a).Val()<<16, ValAndOff(a).Off())
 15036  		v.Aux = s
 15037  		v.AddArg(p)
 15038  		v.AddArg(mem)
 15039  		return true
 15040  	}
 15041  	return false
 15042  }
 15043  func rewriteValueS390X_OpS390XMOVHstoreidx(v *Value) bool {
 15044  	// match: (MOVHstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
 15045  	// cond:
 15046  	// result: (MOVHstoreidx [c+d] {sym} ptr idx val mem)
 15047  	for {
 15048  		c := v.AuxInt
 15049  		sym := v.Aux
 15050  		v_0 := v.Args[0]
 15051  		if v_0.Op != OpS390XADDconst {
 15052  			break
 15053  		}
 15054  		d := v_0.AuxInt
 15055  		ptr := v_0.Args[0]
 15056  		idx := v.Args[1]
 15057  		val := v.Args[2]
 15058  		mem := v.Args[3]
 15059  		v.reset(OpS390XMOVHstoreidx)
 15060  		v.AuxInt = c + d
 15061  		v.Aux = sym
 15062  		v.AddArg(ptr)
 15063  		v.AddArg(idx)
 15064  		v.AddArg(val)
 15065  		v.AddArg(mem)
 15066  		return true
 15067  	}
 15068  	// match: (MOVHstoreidx [c] {sym} idx (ADDconst [d] ptr) val mem)
 15069  	// cond:
 15070  	// result: (MOVHstoreidx [c+d] {sym} ptr idx val mem)
 15071  	for {
 15072  		c := v.AuxInt
 15073  		sym := v.Aux
 15074  		idx := v.Args[0]
 15075  		v_1 := v.Args[1]
 15076  		if v_1.Op != OpS390XADDconst {
 15077  			break
 15078  		}
 15079  		d := v_1.AuxInt
 15080  		ptr := v_1.Args[0]
 15081  		val := v.Args[2]
 15082  		mem := v.Args[3]
 15083  		v.reset(OpS390XMOVHstoreidx)
 15084  		v.AuxInt = c + d
 15085  		v.Aux = sym
 15086  		v.AddArg(ptr)
 15087  		v.AddArg(idx)
 15088  		v.AddArg(val)
 15089  		v.AddArg(mem)
 15090  		return true
 15091  	}
 15092  	// match: (MOVHstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
 15093  	// cond:
 15094  	// result: (MOVHstoreidx [c+d] {sym} ptr idx val mem)
 15095  	for {
 15096  		c := v.AuxInt
 15097  		sym := v.Aux
 15098  		ptr := v.Args[0]
 15099  		v_1 := v.Args[1]
 15100  		if v_1.Op != OpS390XADDconst {
 15101  			break
 15102  		}
 15103  		d := v_1.AuxInt
 15104  		idx := v_1.Args[0]
 15105  		val := v.Args[2]
 15106  		mem := v.Args[3]
 15107  		v.reset(OpS390XMOVHstoreidx)
 15108  		v.AuxInt = c + d
 15109  		v.Aux = sym
 15110  		v.AddArg(ptr)
 15111  		v.AddArg(idx)
 15112  		v.AddArg(val)
 15113  		v.AddArg(mem)
 15114  		return true
 15115  	}
 15116  	// match: (MOVHstoreidx [c] {sym} (ADDconst [d] idx) ptr val mem)
 15117  	// cond:
 15118  	// result: (MOVHstoreidx [c+d] {sym} ptr idx val mem)
 15119  	for {
 15120  		c := v.AuxInt
 15121  		sym := v.Aux
 15122  		v_0 := v.Args[0]
 15123  		if v_0.Op != OpS390XADDconst {
 15124  			break
 15125  		}
 15126  		d := v_0.AuxInt
 15127  		idx := v_0.Args[0]
 15128  		ptr := v.Args[1]
 15129  		val := v.Args[2]
 15130  		mem := v.Args[3]
 15131  		v.reset(OpS390XMOVHstoreidx)
 15132  		v.AuxInt = c + d
 15133  		v.Aux = sym
 15134  		v.AddArg(ptr)
 15135  		v.AddArg(idx)
 15136  		v.AddArg(val)
 15137  		v.AddArg(mem)
 15138  		return true
 15139  	}
 15140  	// match: (MOVHstoreidx [i] {s} p idx w x:(MOVHstoreidx [i-2] {s} p idx (SRDconst [16] w) mem))
 15141  	// cond: x.Uses == 1   && clobber(x)
 15142  	// result: (MOVWstoreidx [i-2] {s} p idx w mem)
 15143  	for {
 15144  		i := v.AuxInt
 15145  		s := v.Aux
 15146  		p := v.Args[0]
 15147  		idx := v.Args[1]
 15148  		w := v.Args[2]
 15149  		x := v.Args[3]
 15150  		if x.Op != OpS390XMOVHstoreidx {
 15151  			break
 15152  		}
 15153  		if x.AuxInt != i-2 {
 15154  			break
 15155  		}
 15156  		if x.Aux != s {
 15157  			break
 15158  		}
 15159  		if p != x.Args[0] {
 15160  			break
 15161  		}
 15162  		if idx != x.Args[1] {
 15163  			break
 15164  		}
 15165  		x_2 := x.Args[2]
 15166  		if x_2.Op != OpS390XSRDconst {
 15167  			break
 15168  		}
 15169  		if x_2.AuxInt != 16 {
 15170  			break
 15171  		}
 15172  		if w != x_2.Args[0] {
 15173  			break
 15174  		}
 15175  		mem := x.Args[3]
 15176  		if !(x.Uses == 1 && clobber(x)) {
 15177  			break
 15178  		}
 15179  		v.reset(OpS390XMOVWstoreidx)
 15180  		v.AuxInt = i - 2
 15181  		v.Aux = s
 15182  		v.AddArg(p)
 15183  		v.AddArg(idx)
 15184  		v.AddArg(w)
 15185  		v.AddArg(mem)
 15186  		return true
 15187  	}
 15188  	// match: (MOVHstoreidx [i] {s} p idx w x:(MOVHstoreidx [i-2] {s} idx p (SRDconst [16] w) mem))
 15189  	// cond: x.Uses == 1   && clobber(x)
 15190  	// result: (MOVWstoreidx [i-2] {s} p idx w mem)
 15191  	for {
 15192  		i := v.AuxInt
 15193  		s := v.Aux
 15194  		p := v.Args[0]
 15195  		idx := v.Args[1]
 15196  		w := v.Args[2]
 15197  		x := v.Args[3]
 15198  		if x.Op != OpS390XMOVHstoreidx {
 15199  			break
 15200  		}
 15201  		if x.AuxInt != i-2 {
 15202  			break
 15203  		}
 15204  		if x.Aux != s {
 15205  			break
 15206  		}
 15207  		if idx != x.Args[0] {
 15208  			break
 15209  		}
 15210  		if p != x.Args[1] {
 15211  			break
 15212  		}
 15213  		x_2 := x.Args[2]
 15214  		if x_2.Op != OpS390XSRDconst {
 15215  			break
 15216  		}
 15217  		if x_2.AuxInt != 16 {
 15218  			break
 15219  		}
 15220  		if w != x_2.Args[0] {
 15221  			break
 15222  		}
 15223  		mem := x.Args[3]
 15224  		if !(x.Uses == 1 && clobber(x)) {
 15225  			break
 15226  		}
 15227  		v.reset(OpS390XMOVWstoreidx)
 15228  		v.AuxInt = i - 2
 15229  		v.Aux = s
 15230  		v.AddArg(p)
 15231  		v.AddArg(idx)
 15232  		v.AddArg(w)
 15233  		v.AddArg(mem)
 15234  		return true
 15235  	}
 15236  	// match: (MOVHstoreidx [i] {s} idx p w x:(MOVHstoreidx [i-2] {s} p idx (SRDconst [16] w) mem))
 15237  	// cond: x.Uses == 1   && clobber(x)
 15238  	// result: (MOVWstoreidx [i-2] {s} p idx w mem)
 15239  	for {
 15240  		i := v.AuxInt
 15241  		s := v.Aux
 15242  		idx := v.Args[0]
 15243  		p := v.Args[1]
 15244  		w := v.Args[2]
 15245  		x := v.Args[3]
 15246  		if x.Op != OpS390XMOVHstoreidx {
 15247  			break
 15248  		}
 15249  		if x.AuxInt != i-2 {
 15250  			break
 15251  		}
 15252  		if x.Aux != s {
 15253  			break
 15254  		}
 15255  		if p != x.Args[0] {
 15256  			break
 15257  		}
 15258  		if idx != x.Args[1] {
 15259  			break
 15260  		}
 15261  		x_2 := x.Args[2]
 15262  		if x_2.Op != OpS390XSRDconst {
 15263  			break
 15264  		}
 15265  		if x_2.AuxInt != 16 {
 15266  			break
 15267  		}
 15268  		if w != x_2.Args[0] {
 15269  			break
 15270  		}
 15271  		mem := x.Args[3]
 15272  		if !(x.Uses == 1 && clobber(x)) {
 15273  			break
 15274  		}
 15275  		v.reset(OpS390XMOVWstoreidx)
 15276  		v.AuxInt = i - 2
 15277  		v.Aux = s
 15278  		v.AddArg(p)
 15279  		v.AddArg(idx)
 15280  		v.AddArg(w)
 15281  		v.AddArg(mem)
 15282  		return true
 15283  	}
 15284  	// match: (MOVHstoreidx [i] {s} idx p w x:(MOVHstoreidx [i-2] {s} idx p (SRDconst [16] w) mem))
 15285  	// cond: x.Uses == 1   && clobber(x)
 15286  	// result: (MOVWstoreidx [i-2] {s} p idx w mem)
 15287  	for {
 15288  		i := v.AuxInt
 15289  		s := v.Aux
 15290  		idx := v.Args[0]
 15291  		p := v.Args[1]
 15292  		w := v.Args[2]
 15293  		x := v.Args[3]
 15294  		if x.Op != OpS390XMOVHstoreidx {
 15295  			break
 15296  		}
 15297  		if x.AuxInt != i-2 {
 15298  			break
 15299  		}
 15300  		if x.Aux != s {
 15301  			break
 15302  		}
 15303  		if idx != x.Args[0] {
 15304  			break
 15305  		}
 15306  		if p != x.Args[1] {
 15307  			break
 15308  		}
 15309  		x_2 := x.Args[2]
 15310  		if x_2.Op != OpS390XSRDconst {
 15311  			break
 15312  		}
 15313  		if x_2.AuxInt != 16 {
 15314  			break
 15315  		}
 15316  		if w != x_2.Args[0] {
 15317  			break
 15318  		}
 15319  		mem := x.Args[3]
 15320  		if !(x.Uses == 1 && clobber(x)) {
 15321  			break
 15322  		}
 15323  		v.reset(OpS390XMOVWstoreidx)
 15324  		v.AuxInt = i - 2
 15325  		v.Aux = s
 15326  		v.AddArg(p)
 15327  		v.AddArg(idx)
 15328  		v.AddArg(w)
 15329  		v.AddArg(mem)
 15330  		return true
 15331  	}
 15332  	// match: (MOVHstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVHstoreidx [i-2] {s} p idx (SRDconst [j+16] w) mem))
 15333  	// cond: x.Uses == 1   && clobber(x)
 15334  	// result: (MOVWstoreidx [i-2] {s} p idx w0 mem)
 15335  	for {
 15336  		i := v.AuxInt
 15337  		s := v.Aux
 15338  		p := v.Args[0]
 15339  		idx := v.Args[1]
 15340  		w0 := v.Args[2]
 15341  		if w0.Op != OpS390XSRDconst {
 15342  			break
 15343  		}
 15344  		j := w0.AuxInt
 15345  		w := w0.Args[0]
 15346  		x := v.Args[3]
 15347  		if x.Op != OpS390XMOVHstoreidx {
 15348  			break
 15349  		}
 15350  		if x.AuxInt != i-2 {
 15351  			break
 15352  		}
 15353  		if x.Aux != s {
 15354  			break
 15355  		}
 15356  		if p != x.Args[0] {
 15357  			break
 15358  		}
 15359  		if idx != x.Args[1] {
 15360  			break
 15361  		}
 15362  		x_2 := x.Args[2]
 15363  		if x_2.Op != OpS390XSRDconst {
 15364  			break
 15365  		}
 15366  		if x_2.AuxInt != j+16 {
 15367  			break
 15368  		}
 15369  		if w != x_2.Args[0] {
 15370  			break
 15371  		}
 15372  		mem := x.Args[3]
 15373  		if !(x.Uses == 1 && clobber(x)) {
 15374  			break
 15375  		}
 15376  		v.reset(OpS390XMOVWstoreidx)
 15377  		v.AuxInt = i - 2
 15378  		v.Aux = s
 15379  		v.AddArg(p)
 15380  		v.AddArg(idx)
 15381  		v.AddArg(w0)
 15382  		v.AddArg(mem)
 15383  		return true
 15384  	}
 15385  	// match: (MOVHstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVHstoreidx [i-2] {s} idx p (SRDconst [j+16] w) mem))
 15386  	// cond: x.Uses == 1   && clobber(x)
 15387  	// result: (MOVWstoreidx [i-2] {s} p idx w0 mem)
 15388  	for {
 15389  		i := v.AuxInt
 15390  		s := v.Aux
 15391  		p := v.Args[0]
 15392  		idx := v.Args[1]
 15393  		w0 := v.Args[2]
 15394  		if w0.Op != OpS390XSRDconst {
 15395  			break
 15396  		}
 15397  		j := w0.AuxInt
 15398  		w := w0.Args[0]
 15399  		x := v.Args[3]
 15400  		if x.Op != OpS390XMOVHstoreidx {
 15401  			break
 15402  		}
 15403  		if x.AuxInt != i-2 {
 15404  			break
 15405  		}
 15406  		if x.Aux != s {
 15407  			break
 15408  		}
 15409  		if idx != x.Args[0] {
 15410  			break
 15411  		}
 15412  		if p != x.Args[1] {
 15413  			break
 15414  		}
 15415  		x_2 := x.Args[2]
 15416  		if x_2.Op != OpS390XSRDconst {
 15417  			break
 15418  		}
 15419  		if x_2.AuxInt != j+16 {
 15420  			break
 15421  		}
 15422  		if w != x_2.Args[0] {
 15423  			break
 15424  		}
 15425  		mem := x.Args[3]
 15426  		if !(x.Uses == 1 && clobber(x)) {
 15427  			break
 15428  		}
 15429  		v.reset(OpS390XMOVWstoreidx)
 15430  		v.AuxInt = i - 2
 15431  		v.Aux = s
 15432  		v.AddArg(p)
 15433  		v.AddArg(idx)
 15434  		v.AddArg(w0)
 15435  		v.AddArg(mem)
 15436  		return true
 15437  	}
 15438  	// match: (MOVHstoreidx [i] {s} idx p w0:(SRDconst [j] w) x:(MOVHstoreidx [i-2] {s} p idx (SRDconst [j+16] w) mem))
 15439  	// cond: x.Uses == 1   && clobber(x)
 15440  	// result: (MOVWstoreidx [i-2] {s} p idx w0 mem)
 15441  	for {
 15442  		i := v.AuxInt
 15443  		s := v.Aux
 15444  		idx := v.Args[0]
 15445  		p := v.Args[1]
 15446  		w0 := v.Args[2]
 15447  		if w0.Op != OpS390XSRDconst {
 15448  			break
 15449  		}
 15450  		j := w0.AuxInt
 15451  		w := w0.Args[0]
 15452  		x := v.Args[3]
 15453  		if x.Op != OpS390XMOVHstoreidx {
 15454  			break
 15455  		}
 15456  		if x.AuxInt != i-2 {
 15457  			break
 15458  		}
 15459  		if x.Aux != s {
 15460  			break
 15461  		}
 15462  		if p != x.Args[0] {
 15463  			break
 15464  		}
 15465  		if idx != x.Args[1] {
 15466  			break
 15467  		}
 15468  		x_2 := x.Args[2]
 15469  		if x_2.Op != OpS390XSRDconst {
 15470  			break
 15471  		}
 15472  		if x_2.AuxInt != j+16 {
 15473  			break
 15474  		}
 15475  		if w != x_2.Args[0] {
 15476  			break
 15477  		}
 15478  		mem := x.Args[3]
 15479  		if !(x.Uses == 1 && clobber(x)) {
 15480  			break
 15481  		}
 15482  		v.reset(OpS390XMOVWstoreidx)
 15483  		v.AuxInt = i - 2
 15484  		v.Aux = s
 15485  		v.AddArg(p)
 15486  		v.AddArg(idx)
 15487  		v.AddArg(w0)
 15488  		v.AddArg(mem)
 15489  		return true
 15490  	}
 15491  	// match: (MOVHstoreidx [i] {s} idx p w0:(SRDconst [j] w) x:(MOVHstoreidx [i-2] {s} idx p (SRDconst [j+16] w) mem))
 15492  	// cond: x.Uses == 1   && clobber(x)
 15493  	// result: (MOVWstoreidx [i-2] {s} p idx w0 mem)
 15494  	for {
 15495  		i := v.AuxInt
 15496  		s := v.Aux
 15497  		idx := v.Args[0]
 15498  		p := v.Args[1]
 15499  		w0 := v.Args[2]
 15500  		if w0.Op != OpS390XSRDconst {
 15501  			break
 15502  		}
 15503  		j := w0.AuxInt
 15504  		w := w0.Args[0]
 15505  		x := v.Args[3]
 15506  		if x.Op != OpS390XMOVHstoreidx {
 15507  			break
 15508  		}
 15509  		if x.AuxInt != i-2 {
 15510  			break
 15511  		}
 15512  		if x.Aux != s {
 15513  			break
 15514  		}
 15515  		if idx != x.Args[0] {
 15516  			break
 15517  		}
 15518  		if p != x.Args[1] {
 15519  			break
 15520  		}
 15521  		x_2 := x.Args[2]
 15522  		if x_2.Op != OpS390XSRDconst {
 15523  			break
 15524  		}
 15525  		if x_2.AuxInt != j+16 {
 15526  			break
 15527  		}
 15528  		if w != x_2.Args[0] {
 15529  			break
 15530  		}
 15531  		mem := x.Args[3]
 15532  		if !(x.Uses == 1 && clobber(x)) {
 15533  			break
 15534  		}
 15535  		v.reset(OpS390XMOVWstoreidx)
 15536  		v.AuxInt = i - 2
 15537  		v.Aux = s
 15538  		v.AddArg(p)
 15539  		v.AddArg(idx)
 15540  		v.AddArg(w0)
 15541  		v.AddArg(mem)
 15542  		return true
 15543  	}
 15544  	// match: (MOVHstoreidx [i] {s} p idx w x:(MOVHstoreidx [i-2] {s} p idx (SRWconst [16] w) mem))
 15545  	// cond: x.Uses == 1   && clobber(x)
 15546  	// result: (MOVWstoreidx [i-2] {s} p idx w mem)
 15547  	for {
 15548  		i := v.AuxInt
 15549  		s := v.Aux
 15550  		p := v.Args[0]
 15551  		idx := v.Args[1]
 15552  		w := v.Args[2]
 15553  		x := v.Args[3]
 15554  		if x.Op != OpS390XMOVHstoreidx {
 15555  			break
 15556  		}
 15557  		if x.AuxInt != i-2 {
 15558  			break
 15559  		}
 15560  		if x.Aux != s {
 15561  			break
 15562  		}
 15563  		if p != x.Args[0] {
 15564  			break
 15565  		}
 15566  		if idx != x.Args[1] {
 15567  			break
 15568  		}
 15569  		x_2 := x.Args[2]
 15570  		if x_2.Op != OpS390XSRWconst {
 15571  			break
 15572  		}
 15573  		if x_2.AuxInt != 16 {
 15574  			break
 15575  		}
 15576  		if w != x_2.Args[0] {
 15577  			break
 15578  		}
 15579  		mem := x.Args[3]
 15580  		if !(x.Uses == 1 && clobber(x)) {
 15581  			break
 15582  		}
 15583  		v.reset(OpS390XMOVWstoreidx)
 15584  		v.AuxInt = i - 2
 15585  		v.Aux = s
 15586  		v.AddArg(p)
 15587  		v.AddArg(idx)
 15588  		v.AddArg(w)
 15589  		v.AddArg(mem)
 15590  		return true
 15591  	}
 15592  	// match: (MOVHstoreidx [i] {s} p idx w x:(MOVHstoreidx [i-2] {s} idx p (SRWconst [16] w) mem))
 15593  	// cond: x.Uses == 1   && clobber(x)
 15594  	// result: (MOVWstoreidx [i-2] {s} p idx w mem)
 15595  	for {
 15596  		i := v.AuxInt
 15597  		s := v.Aux
 15598  		p := v.Args[0]
 15599  		idx := v.Args[1]
 15600  		w := v.Args[2]
 15601  		x := v.Args[3]
 15602  		if x.Op != OpS390XMOVHstoreidx {
 15603  			break
 15604  		}
 15605  		if x.AuxInt != i-2 {
 15606  			break
 15607  		}
 15608  		if x.Aux != s {
 15609  			break
 15610  		}
 15611  		if idx != x.Args[0] {
 15612  			break
 15613  		}
 15614  		if p != x.Args[1] {
 15615  			break
 15616  		}
 15617  		x_2 := x.Args[2]
 15618  		if x_2.Op != OpS390XSRWconst {
 15619  			break
 15620  		}
 15621  		if x_2.AuxInt != 16 {
 15622  			break
 15623  		}
 15624  		if w != x_2.Args[0] {
 15625  			break
 15626  		}
 15627  		mem := x.Args[3]
 15628  		if !(x.Uses == 1 && clobber(x)) {
 15629  			break
 15630  		}
 15631  		v.reset(OpS390XMOVWstoreidx)
 15632  		v.AuxInt = i - 2
 15633  		v.Aux = s
 15634  		v.AddArg(p)
 15635  		v.AddArg(idx)
 15636  		v.AddArg(w)
 15637  		v.AddArg(mem)
 15638  		return true
 15639  	}
 15640  	// match: (MOVHstoreidx [i] {s} idx p w x:(MOVHstoreidx [i-2] {s} p idx (SRWconst [16] w) mem))
 15641  	// cond: x.Uses == 1   && clobber(x)
 15642  	// result: (MOVWstoreidx [i-2] {s} p idx w mem)
 15643  	for {
 15644  		i := v.AuxInt
 15645  		s := v.Aux
 15646  		idx := v.Args[0]
 15647  		p := v.Args[1]
 15648  		w := v.Args[2]
 15649  		x := v.Args[3]
 15650  		if x.Op != OpS390XMOVHstoreidx {
 15651  			break
 15652  		}
 15653  		if x.AuxInt != i-2 {
 15654  			break
 15655  		}
 15656  		if x.Aux != s {
 15657  			break
 15658  		}
 15659  		if p != x.Args[0] {
 15660  			break
 15661  		}
 15662  		if idx != x.Args[1] {
 15663  			break
 15664  		}
 15665  		x_2 := x.Args[2]
 15666  		if x_2.Op != OpS390XSRWconst {
 15667  			break
 15668  		}
 15669  		if x_2.AuxInt != 16 {
 15670  			break
 15671  		}
 15672  		if w != x_2.Args[0] {
 15673  			break
 15674  		}
 15675  		mem := x.Args[3]
 15676  		if !(x.Uses == 1 && clobber(x)) {
 15677  			break
 15678  		}
 15679  		v.reset(OpS390XMOVWstoreidx)
 15680  		v.AuxInt = i - 2
 15681  		v.Aux = s
 15682  		v.AddArg(p)
 15683  		v.AddArg(idx)
 15684  		v.AddArg(w)
 15685  		v.AddArg(mem)
 15686  		return true
 15687  	}
 15688  	// match: (MOVHstoreidx [i] {s} idx p w x:(MOVHstoreidx [i-2] {s} idx p (SRWconst [16] w) mem))
 15689  	// cond: x.Uses == 1   && clobber(x)
 15690  	// result: (MOVWstoreidx [i-2] {s} p idx w mem)
 15691  	for {
 15692  		i := v.AuxInt
 15693  		s := v.Aux
 15694  		idx := v.Args[0]
 15695  		p := v.Args[1]
 15696  		w := v.Args[2]
 15697  		x := v.Args[3]
 15698  		if x.Op != OpS390XMOVHstoreidx {
 15699  			break
 15700  		}
 15701  		if x.AuxInt != i-2 {
 15702  			break
 15703  		}
 15704  		if x.Aux != s {
 15705  			break
 15706  		}
 15707  		if idx != x.Args[0] {
 15708  			break
 15709  		}
 15710  		if p != x.Args[1] {
 15711  			break
 15712  		}
 15713  		x_2 := x.Args[2]
 15714  		if x_2.Op != OpS390XSRWconst {
 15715  			break
 15716  		}
 15717  		if x_2.AuxInt != 16 {
 15718  			break
 15719  		}
 15720  		if w != x_2.Args[0] {
 15721  			break
 15722  		}
 15723  		mem := x.Args[3]
 15724  		if !(x.Uses == 1 && clobber(x)) {
 15725  			break
 15726  		}
 15727  		v.reset(OpS390XMOVWstoreidx)
 15728  		v.AuxInt = i - 2
 15729  		v.Aux = s
 15730  		v.AddArg(p)
 15731  		v.AddArg(idx)
 15732  		v.AddArg(w)
 15733  		v.AddArg(mem)
 15734  		return true
 15735  	}
 15736  	// match: (MOVHstoreidx [i] {s} p idx w0:(SRWconst [j] w) x:(MOVHstoreidx [i-2] {s} p idx (SRWconst [j+16] w) mem))
 15737  	// cond: x.Uses == 1   && clobber(x)
 15738  	// result: (MOVWstoreidx [i-2] {s} p idx w0 mem)
 15739  	for {
 15740  		i := v.AuxInt
 15741  		s := v.Aux
 15742  		p := v.Args[0]
 15743  		idx := v.Args[1]
 15744  		w0 := v.Args[2]
 15745  		if w0.Op != OpS390XSRWconst {
 15746  			break
 15747  		}
 15748  		j := w0.AuxInt
 15749  		w := w0.Args[0]
 15750  		x := v.Args[3]
 15751  		if x.Op != OpS390XMOVHstoreidx {
 15752  			break
 15753  		}
 15754  		if x.AuxInt != i-2 {
 15755  			break
 15756  		}
 15757  		if x.Aux != s {
 15758  			break
 15759  		}
 15760  		if p != x.Args[0] {
 15761  			break
 15762  		}
 15763  		if idx != x.Args[1] {
 15764  			break
 15765  		}
 15766  		x_2 := x.Args[2]
 15767  		if x_2.Op != OpS390XSRWconst {
 15768  			break
 15769  		}
 15770  		if x_2.AuxInt != j+16 {
 15771  			break
 15772  		}
 15773  		if w != x_2.Args[0] {
 15774  			break
 15775  		}
 15776  		mem := x.Args[3]
 15777  		if !(x.Uses == 1 && clobber(x)) {
 15778  			break
 15779  		}
 15780  		v.reset(OpS390XMOVWstoreidx)
 15781  		v.AuxInt = i - 2
 15782  		v.Aux = s
 15783  		v.AddArg(p)
 15784  		v.AddArg(idx)
 15785  		v.AddArg(w0)
 15786  		v.AddArg(mem)
 15787  		return true
 15788  	}
 15789  	// match: (MOVHstoreidx [i] {s} p idx w0:(SRWconst [j] w) x:(MOVHstoreidx [i-2] {s} idx p (SRWconst [j+16] w) mem))
 15790  	// cond: x.Uses == 1   && clobber(x)
 15791  	// result: (MOVWstoreidx [i-2] {s} p idx w0 mem)
 15792  	for {
 15793  		i := v.AuxInt
 15794  		s := v.Aux
 15795  		p := v.Args[0]
 15796  		idx := v.Args[1]
 15797  		w0 := v.Args[2]
 15798  		if w0.Op != OpS390XSRWconst {
 15799  			break
 15800  		}
 15801  		j := w0.AuxInt
 15802  		w := w0.Args[0]
 15803  		x := v.Args[3]
 15804  		if x.Op != OpS390XMOVHstoreidx {
 15805  			break
 15806  		}
 15807  		if x.AuxInt != i-2 {
 15808  			break
 15809  		}
 15810  		if x.Aux != s {
 15811  			break
 15812  		}
 15813  		if idx != x.Args[0] {
 15814  			break
 15815  		}
 15816  		if p != x.Args[1] {
 15817  			break
 15818  		}
 15819  		x_2 := x.Args[2]
 15820  		if x_2.Op != OpS390XSRWconst {
 15821  			break
 15822  		}
 15823  		if x_2.AuxInt != j+16 {
 15824  			break
 15825  		}
 15826  		if w != x_2.Args[0] {
 15827  			break
 15828  		}
 15829  		mem := x.Args[3]
 15830  		if !(x.Uses == 1 && clobber(x)) {
 15831  			break
 15832  		}
 15833  		v.reset(OpS390XMOVWstoreidx)
 15834  		v.AuxInt = i - 2
 15835  		v.Aux = s
 15836  		v.AddArg(p)
 15837  		v.AddArg(idx)
 15838  		v.AddArg(w0)
 15839  		v.AddArg(mem)
 15840  		return true
 15841  	}
 15842  	// match: (MOVHstoreidx [i] {s} idx p w0:(SRWconst [j] w) x:(MOVHstoreidx [i-2] {s} p idx (SRWconst [j+16] w) mem))
 15843  	// cond: x.Uses == 1   && clobber(x)
 15844  	// result: (MOVWstoreidx [i-2] {s} p idx w0 mem)
 15845  	for {
 15846  		i := v.AuxInt
 15847  		s := v.Aux
 15848  		idx := v.Args[0]
 15849  		p := v.Args[1]
 15850  		w0 := v.Args[2]
 15851  		if w0.Op != OpS390XSRWconst {
 15852  			break
 15853  		}
 15854  		j := w0.AuxInt
 15855  		w := w0.Args[0]
 15856  		x := v.Args[3]
 15857  		if x.Op != OpS390XMOVHstoreidx {
 15858  			break
 15859  		}
 15860  		if x.AuxInt != i-2 {
 15861  			break
 15862  		}
 15863  		if x.Aux != s {
 15864  			break
 15865  		}
 15866  		if p != x.Args[0] {
 15867  			break
 15868  		}
 15869  		if idx != x.Args[1] {
 15870  			break
 15871  		}
 15872  		x_2 := x.Args[2]
 15873  		if x_2.Op != OpS390XSRWconst {
 15874  			break
 15875  		}
 15876  		if x_2.AuxInt != j+16 {
 15877  			break
 15878  		}
 15879  		if w != x_2.Args[0] {
 15880  			break
 15881  		}
 15882  		mem := x.Args[3]
 15883  		if !(x.Uses == 1 && clobber(x)) {
 15884  			break
 15885  		}
 15886  		v.reset(OpS390XMOVWstoreidx)
 15887  		v.AuxInt = i - 2
 15888  		v.Aux = s
 15889  		v.AddArg(p)
 15890  		v.AddArg(idx)
 15891  		v.AddArg(w0)
 15892  		v.AddArg(mem)
 15893  		return true
 15894  	}
 15895  	// match: (MOVHstoreidx [i] {s} idx p w0:(SRWconst [j] w) x:(MOVHstoreidx [i-2] {s} idx p (SRWconst [j+16] w) mem))
 15896  	// cond: x.Uses == 1   && clobber(x)
 15897  	// result: (MOVWstoreidx [i-2] {s} p idx w0 mem)
 15898  	for {
 15899  		i := v.AuxInt
 15900  		s := v.Aux
 15901  		idx := v.Args[0]
 15902  		p := v.Args[1]
 15903  		w0 := v.Args[2]
 15904  		if w0.Op != OpS390XSRWconst {
 15905  			break
 15906  		}
 15907  		j := w0.AuxInt
 15908  		w := w0.Args[0]
 15909  		x := v.Args[3]
 15910  		if x.Op != OpS390XMOVHstoreidx {
 15911  			break
 15912  		}
 15913  		if x.AuxInt != i-2 {
 15914  			break
 15915  		}
 15916  		if x.Aux != s {
 15917  			break
 15918  		}
 15919  		if idx != x.Args[0] {
 15920  			break
 15921  		}
 15922  		if p != x.Args[1] {
 15923  			break
 15924  		}
 15925  		x_2 := x.Args[2]
 15926  		if x_2.Op != OpS390XSRWconst {
 15927  			break
 15928  		}
 15929  		if x_2.AuxInt != j+16 {
 15930  			break
 15931  		}
 15932  		if w != x_2.Args[0] {
 15933  			break
 15934  		}
 15935  		mem := x.Args[3]
 15936  		if !(x.Uses == 1 && clobber(x)) {
 15937  			break
 15938  		}
 15939  		v.reset(OpS390XMOVWstoreidx)
 15940  		v.AuxInt = i - 2
 15941  		v.Aux = s
 15942  		v.AddArg(p)
 15943  		v.AddArg(idx)
 15944  		v.AddArg(w0)
 15945  		v.AddArg(mem)
 15946  		return true
 15947  	}
 15948  	return false
 15949  }
 15950  func rewriteValueS390X_OpS390XMOVWBRstore(v *Value) bool {
 15951  	// match: (MOVWBRstore [i] {s} p (SRDconst [32] w) x:(MOVWBRstore [i-4] {s} p w mem))
 15952  	// cond: x.Uses == 1   && clobber(x)
 15953  	// result: (MOVDBRstore [i-4] {s} p w mem)
 15954  	for {
 15955  		i := v.AuxInt
 15956  		s := v.Aux
 15957  		p := v.Args[0]
 15958  		v_1 := v.Args[1]
 15959  		if v_1.Op != OpS390XSRDconst {
 15960  			break
 15961  		}
 15962  		if v_1.AuxInt != 32 {
 15963  			break
 15964  		}
 15965  		w := v_1.Args[0]
 15966  		x := v.Args[2]
 15967  		if x.Op != OpS390XMOVWBRstore {
 15968  			break
 15969  		}
 15970  		if x.AuxInt != i-4 {
 15971  			break
 15972  		}
 15973  		if x.Aux != s {
 15974  			break
 15975  		}
 15976  		if p != x.Args[0] {
 15977  			break
 15978  		}
 15979  		if w != x.Args[1] {
 15980  			break
 15981  		}
 15982  		mem := x.Args[2]
 15983  		if !(x.Uses == 1 && clobber(x)) {
 15984  			break
 15985  		}
 15986  		v.reset(OpS390XMOVDBRstore)
 15987  		v.AuxInt = i - 4
 15988  		v.Aux = s
 15989  		v.AddArg(p)
 15990  		v.AddArg(w)
 15991  		v.AddArg(mem)
 15992  		return true
 15993  	}
 15994  	// match: (MOVWBRstore [i] {s} p (SRDconst [j] w) x:(MOVWBRstore [i-4] {s} p w0:(SRDconst [j-32] w) mem))
 15995  	// cond: x.Uses == 1   && clobber(x)
 15996  	// result: (MOVDBRstore [i-4] {s} p w0 mem)
 15997  	for {
 15998  		i := v.AuxInt
 15999  		s := v.Aux
 16000  		p := v.Args[0]
 16001  		v_1 := v.Args[1]
 16002  		if v_1.Op != OpS390XSRDconst {
 16003  			break
 16004  		}
 16005  		j := v_1.AuxInt
 16006  		w := v_1.Args[0]
 16007  		x := v.Args[2]
 16008  		if x.Op != OpS390XMOVWBRstore {
 16009  			break
 16010  		}
 16011  		if x.AuxInt != i-4 {
 16012  			break
 16013  		}
 16014  		if x.Aux != s {
 16015  			break
 16016  		}
 16017  		if p != x.Args[0] {
 16018  			break
 16019  		}
 16020  		w0 := x.Args[1]
 16021  		if w0.Op != OpS390XSRDconst {
 16022  			break
 16023  		}
 16024  		if w0.AuxInt != j-32 {
 16025  			break
 16026  		}
 16027  		if w != w0.Args[0] {
 16028  			break
 16029  		}
 16030  		mem := x.Args[2]
 16031  		if !(x.Uses == 1 && clobber(x)) {
 16032  			break
 16033  		}
 16034  		v.reset(OpS390XMOVDBRstore)
 16035  		v.AuxInt = i - 4
 16036  		v.Aux = s
 16037  		v.AddArg(p)
 16038  		v.AddArg(w0)
 16039  		v.AddArg(mem)
 16040  		return true
 16041  	}
 16042  	return false
 16043  }
 16044  func rewriteValueS390X_OpS390XMOVWBRstoreidx(v *Value) bool {
 16045  	// match: (MOVWBRstoreidx [i] {s} p idx (SRDconst [32] w) x:(MOVWBRstoreidx [i-4] {s} p idx w mem))
 16046  	// cond: x.Uses == 1   && clobber(x)
 16047  	// result: (MOVDBRstoreidx [i-4] {s} p idx w mem)
 16048  	for {
 16049  		i := v.AuxInt
 16050  		s := v.Aux
 16051  		p := v.Args[0]
 16052  		idx := v.Args[1]
 16053  		v_2 := v.Args[2]
 16054  		if v_2.Op != OpS390XSRDconst {
 16055  			break
 16056  		}
 16057  		if v_2.AuxInt != 32 {
 16058  			break
 16059  		}
 16060  		w := v_2.Args[0]
 16061  		x := v.Args[3]
 16062  		if x.Op != OpS390XMOVWBRstoreidx {
 16063  			break
 16064  		}
 16065  		if x.AuxInt != i-4 {
 16066  			break
 16067  		}
 16068  		if x.Aux != s {
 16069  			break
 16070  		}
 16071  		if p != x.Args[0] {
 16072  			break
 16073  		}
 16074  		if idx != x.Args[1] {
 16075  			break
 16076  		}
 16077  		if w != x.Args[2] {
 16078  			break
 16079  		}
 16080  		mem := x.Args[3]
 16081  		if !(x.Uses == 1 && clobber(x)) {
 16082  			break
 16083  		}
 16084  		v.reset(OpS390XMOVDBRstoreidx)
 16085  		v.AuxInt = i - 4
 16086  		v.Aux = s
 16087  		v.AddArg(p)
 16088  		v.AddArg(idx)
 16089  		v.AddArg(w)
 16090  		v.AddArg(mem)
 16091  		return true
 16092  	}
 16093  	// match: (MOVWBRstoreidx [i] {s} p idx (SRDconst [32] w) x:(MOVWBRstoreidx [i-4] {s} idx p w mem))
 16094  	// cond: x.Uses == 1   && clobber(x)
 16095  	// result: (MOVDBRstoreidx [i-4] {s} p idx w mem)
 16096  	for {
 16097  		i := v.AuxInt
 16098  		s := v.Aux
 16099  		p := v.Args[0]
 16100  		idx := v.Args[1]
 16101  		v_2 := v.Args[2]
 16102  		if v_2.Op != OpS390XSRDconst {
 16103  			break
 16104  		}
 16105  		if v_2.AuxInt != 32 {
 16106  			break
 16107  		}
 16108  		w := v_2.Args[0]
 16109  		x := v.Args[3]
 16110  		if x.Op != OpS390XMOVWBRstoreidx {
 16111  			break
 16112  		}
 16113  		if x.AuxInt != i-4 {
 16114  			break
 16115  		}
 16116  		if x.Aux != s {
 16117  			break
 16118  		}
 16119  		if idx != x.Args[0] {
 16120  			break
 16121  		}
 16122  		if p != x.Args[1] {
 16123  			break
 16124  		}
 16125  		if w != x.Args[2] {
 16126  			break
 16127  		}
 16128  		mem := x.Args[3]
 16129  		if !(x.Uses == 1 && clobber(x)) {
 16130  			break
 16131  		}
 16132  		v.reset(OpS390XMOVDBRstoreidx)
 16133  		v.AuxInt = i - 4
 16134  		v.Aux = s
 16135  		v.AddArg(p)
 16136  		v.AddArg(idx)
 16137  		v.AddArg(w)
 16138  		v.AddArg(mem)
 16139  		return true
 16140  	}
 16141  	// match: (MOVWBRstoreidx [i] {s} idx p (SRDconst [32] w) x:(MOVWBRstoreidx [i-4] {s} p idx w mem))
 16142  	// cond: x.Uses == 1   && clobber(x)
 16143  	// result: (MOVDBRstoreidx [i-4] {s} p idx w mem)
 16144  	for {
 16145  		i := v.AuxInt
 16146  		s := v.Aux
 16147  		idx := v.Args[0]
 16148  		p := v.Args[1]
 16149  		v_2 := v.Args[2]
 16150  		if v_2.Op != OpS390XSRDconst {
 16151  			break
 16152  		}
 16153  		if v_2.AuxInt != 32 {
 16154  			break
 16155  		}
 16156  		w := v_2.Args[0]
 16157  		x := v.Args[3]
 16158  		if x.Op != OpS390XMOVWBRstoreidx {
 16159  			break
 16160  		}
 16161  		if x.AuxInt != i-4 {
 16162  			break
 16163  		}
 16164  		if x.Aux != s {
 16165  			break
 16166  		}
 16167  		if p != x.Args[0] {
 16168  			break
 16169  		}
 16170  		if idx != x.Args[1] {
 16171  			break
 16172  		}
 16173  		if w != x.Args[2] {
 16174  			break
 16175  		}
 16176  		mem := x.Args[3]
 16177  		if !(x.Uses == 1 && clobber(x)) {
 16178  			break
 16179  		}
 16180  		v.reset(OpS390XMOVDBRstoreidx)
 16181  		v.AuxInt = i - 4
 16182  		v.Aux = s
 16183  		v.AddArg(p)
 16184  		v.AddArg(idx)
 16185  		v.AddArg(w)
 16186  		v.AddArg(mem)
 16187  		return true
 16188  	}
 16189  	// match: (MOVWBRstoreidx [i] {s} idx p (SRDconst [32] w) x:(MOVWBRstoreidx [i-4] {s} idx p w mem))
 16190  	// cond: x.Uses == 1   && clobber(x)
 16191  	// result: (MOVDBRstoreidx [i-4] {s} p idx w mem)
 16192  	for {
 16193  		i := v.AuxInt
 16194  		s := v.Aux
 16195  		idx := v.Args[0]
 16196  		p := v.Args[1]
 16197  		v_2 := v.Args[2]
 16198  		if v_2.Op != OpS390XSRDconst {
 16199  			break
 16200  		}
 16201  		if v_2.AuxInt != 32 {
 16202  			break
 16203  		}
 16204  		w := v_2.Args[0]
 16205  		x := v.Args[3]
 16206  		if x.Op != OpS390XMOVWBRstoreidx {
 16207  			break
 16208  		}
 16209  		if x.AuxInt != i-4 {
 16210  			break
 16211  		}
 16212  		if x.Aux != s {
 16213  			break
 16214  		}
 16215  		if idx != x.Args[0] {
 16216  			break
 16217  		}
 16218  		if p != x.Args[1] {
 16219  			break
 16220  		}
 16221  		if w != x.Args[2] {
 16222  			break
 16223  		}
 16224  		mem := x.Args[3]
 16225  		if !(x.Uses == 1 && clobber(x)) {
 16226  			break
 16227  		}
 16228  		v.reset(OpS390XMOVDBRstoreidx)
 16229  		v.AuxInt = i - 4
 16230  		v.Aux = s
 16231  		v.AddArg(p)
 16232  		v.AddArg(idx)
 16233  		v.AddArg(w)
 16234  		v.AddArg(mem)
 16235  		return true
 16236  	}
 16237  	// match: (MOVWBRstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVWBRstoreidx [i-4] {s} p idx w0:(SRDconst [j-32] w) mem))
 16238  	// cond: x.Uses == 1   && clobber(x)
 16239  	// result: (MOVDBRstoreidx [i-4] {s} p idx w0 mem)
 16240  	for {
 16241  		i := v.AuxInt
 16242  		s := v.Aux
 16243  		p := v.Args[0]
 16244  		idx := v.Args[1]
 16245  		v_2 := v.Args[2]
 16246  		if v_2.Op != OpS390XSRDconst {
 16247  			break
 16248  		}
 16249  		j := v_2.AuxInt
 16250  		w := v_2.Args[0]
 16251  		x := v.Args[3]
 16252  		if x.Op != OpS390XMOVWBRstoreidx {
 16253  			break
 16254  		}
 16255  		if x.AuxInt != i-4 {
 16256  			break
 16257  		}
 16258  		if x.Aux != s {
 16259  			break
 16260  		}
 16261  		if p != x.Args[0] {
 16262  			break
 16263  		}
 16264  		if idx != x.Args[1] {
 16265  			break
 16266  		}
 16267  		w0 := x.Args[2]
 16268  		if w0.Op != OpS390XSRDconst {
 16269  			break
 16270  		}
 16271  		if w0.AuxInt != j-32 {
 16272  			break
 16273  		}
 16274  		if w != w0.Args[0] {
 16275  			break
 16276  		}
 16277  		mem := x.Args[3]
 16278  		if !(x.Uses == 1 && clobber(x)) {
 16279  			break
 16280  		}
 16281  		v.reset(OpS390XMOVDBRstoreidx)
 16282  		v.AuxInt = i - 4
 16283  		v.Aux = s
 16284  		v.AddArg(p)
 16285  		v.AddArg(idx)
 16286  		v.AddArg(w0)
 16287  		v.AddArg(mem)
 16288  		return true
 16289  	}
 16290  	// match: (MOVWBRstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVWBRstoreidx [i-4] {s} idx p w0:(SRDconst [j-32] w) mem))
 16291  	// cond: x.Uses == 1   && clobber(x)
 16292  	// result: (MOVDBRstoreidx [i-4] {s} p idx w0 mem)
 16293  	for {
 16294  		i := v.AuxInt
 16295  		s := v.Aux
 16296  		p := v.Args[0]
 16297  		idx := v.Args[1]
 16298  		v_2 := v.Args[2]
 16299  		if v_2.Op != OpS390XSRDconst {
 16300  			break
 16301  		}
 16302  		j := v_2.AuxInt
 16303  		w := v_2.Args[0]
 16304  		x := v.Args[3]
 16305  		if x.Op != OpS390XMOVWBRstoreidx {
 16306  			break
 16307  		}
 16308  		if x.AuxInt != i-4 {
 16309  			break
 16310  		}
 16311  		if x.Aux != s {
 16312  			break
 16313  		}
 16314  		if idx != x.Args[0] {
 16315  			break
 16316  		}
 16317  		if p != x.Args[1] {
 16318  			break
 16319  		}
 16320  		w0 := x.Args[2]
 16321  		if w0.Op != OpS390XSRDconst {
 16322  			break
 16323  		}
 16324  		if w0.AuxInt != j-32 {
 16325  			break
 16326  		}
 16327  		if w != w0.Args[0] {
 16328  			break
 16329  		}
 16330  		mem := x.Args[3]
 16331  		if !(x.Uses == 1 && clobber(x)) {
 16332  			break
 16333  		}
 16334  		v.reset(OpS390XMOVDBRstoreidx)
 16335  		v.AuxInt = i - 4
 16336  		v.Aux = s
 16337  		v.AddArg(p)
 16338  		v.AddArg(idx)
 16339  		v.AddArg(w0)
 16340  		v.AddArg(mem)
 16341  		return true
 16342  	}
 16343  	// match: (MOVWBRstoreidx [i] {s} idx p (SRDconst [j] w) x:(MOVWBRstoreidx [i-4] {s} p idx w0:(SRDconst [j-32] w) mem))
 16344  	// cond: x.Uses == 1   && clobber(x)
 16345  	// result: (MOVDBRstoreidx [i-4] {s} p idx w0 mem)
 16346  	for {
 16347  		i := v.AuxInt
 16348  		s := v.Aux
 16349  		idx := v.Args[0]
 16350  		p := v.Args[1]
 16351  		v_2 := v.Args[2]
 16352  		if v_2.Op != OpS390XSRDconst {
 16353  			break
 16354  		}
 16355  		j := v_2.AuxInt
 16356  		w := v_2.Args[0]
 16357  		x := v.Args[3]
 16358  		if x.Op != OpS390XMOVWBRstoreidx {
 16359  			break
 16360  		}
 16361  		if x.AuxInt != i-4 {
 16362  			break
 16363  		}
 16364  		if x.Aux != s {
 16365  			break
 16366  		}
 16367  		if p != x.Args[0] {
 16368  			break
 16369  		}
 16370  		if idx != x.Args[1] {
 16371  			break
 16372  		}
 16373  		w0 := x.Args[2]
 16374  		if w0.Op != OpS390XSRDconst {
 16375  			break
 16376  		}
 16377  		if w0.AuxInt != j-32 {
 16378  			break
 16379  		}
 16380  		if w != w0.Args[0] {
 16381  			break
 16382  		}
 16383  		mem := x.Args[3]
 16384  		if !(x.Uses == 1 && clobber(x)) {
 16385  			break
 16386  		}
 16387  		v.reset(OpS390XMOVDBRstoreidx)
 16388  		v.AuxInt = i - 4
 16389  		v.Aux = s
 16390  		v.AddArg(p)
 16391  		v.AddArg(idx)
 16392  		v.AddArg(w0)
 16393  		v.AddArg(mem)
 16394  		return true
 16395  	}
 16396  	// match: (MOVWBRstoreidx [i] {s} idx p (SRDconst [j] w) x:(MOVWBRstoreidx [i-4] {s} idx p w0:(SRDconst [j-32] w) mem))
 16397  	// cond: x.Uses == 1   && clobber(x)
 16398  	// result: (MOVDBRstoreidx [i-4] {s} p idx w0 mem)
 16399  	for {
 16400  		i := v.AuxInt
 16401  		s := v.Aux
 16402  		idx := v.Args[0]
 16403  		p := v.Args[1]
 16404  		v_2 := v.Args[2]
 16405  		if v_2.Op != OpS390XSRDconst {
 16406  			break
 16407  		}
 16408  		j := v_2.AuxInt
 16409  		w := v_2.Args[0]
 16410  		x := v.Args[3]
 16411  		if x.Op != OpS390XMOVWBRstoreidx {
 16412  			break
 16413  		}
 16414  		if x.AuxInt != i-4 {
 16415  			break
 16416  		}
 16417  		if x.Aux != s {
 16418  			break
 16419  		}
 16420  		if idx != x.Args[0] {
 16421  			break
 16422  		}
 16423  		if p != x.Args[1] {
 16424  			break
 16425  		}
 16426  		w0 := x.Args[2]
 16427  		if w0.Op != OpS390XSRDconst {
 16428  			break
 16429  		}
 16430  		if w0.AuxInt != j-32 {
 16431  			break
 16432  		}
 16433  		if w != w0.Args[0] {
 16434  			break
 16435  		}
 16436  		mem := x.Args[3]
 16437  		if !(x.Uses == 1 && clobber(x)) {
 16438  			break
 16439  		}
 16440  		v.reset(OpS390XMOVDBRstoreidx)
 16441  		v.AuxInt = i - 4
 16442  		v.Aux = s
 16443  		v.AddArg(p)
 16444  		v.AddArg(idx)
 16445  		v.AddArg(w0)
 16446  		v.AddArg(mem)
 16447  		return true
 16448  	}
 16449  	return false
 16450  }
 16451  func rewriteValueS390X_OpS390XMOVWZload(v *Value) bool {
 16452  	// match: (MOVWZload [off] {sym} ptr (MOVWstore [off2] {sym2} ptr2 x _))
 16453  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 16454  	// result: (MOVWZreg x)
 16455  	for {
 16456  		off := v.AuxInt
 16457  		sym := v.Aux
 16458  		ptr := v.Args[0]
 16459  		v_1 := v.Args[1]
 16460  		if v_1.Op != OpS390XMOVWstore {
 16461  			break
 16462  		}
 16463  		off2 := v_1.AuxInt
 16464  		sym2 := v_1.Aux
 16465  		ptr2 := v_1.Args[0]
 16466  		x := v_1.Args[1]
 16467  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 16468  			break
 16469  		}
 16470  		v.reset(OpS390XMOVWZreg)
 16471  		v.AddArg(x)
 16472  		return true
 16473  	}
 16474  	// match: (MOVWZload [off1] {sym} (ADDconst [off2] ptr) mem)
 16475  	// cond: is20Bit(off1+off2)
 16476  	// result: (MOVWZload [off1+off2] {sym} ptr mem)
 16477  	for {
 16478  		off1 := v.AuxInt
 16479  		sym := v.Aux
 16480  		v_0 := v.Args[0]
 16481  		if v_0.Op != OpS390XADDconst {
 16482  			break
 16483  		}
 16484  		off2 := v_0.AuxInt
 16485  		ptr := v_0.Args[0]
 16486  		mem := v.Args[1]
 16487  		if !(is20Bit(off1 + off2)) {
 16488  			break
 16489  		}
 16490  		v.reset(OpS390XMOVWZload)
 16491  		v.AuxInt = off1 + off2
 16492  		v.Aux = sym
 16493  		v.AddArg(ptr)
 16494  		v.AddArg(mem)
 16495  		return true
 16496  	}
 16497  	// match: (MOVWZload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 16498  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 16499  	// result: (MOVWZload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
 16500  	for {
 16501  		off1 := v.AuxInt
 16502  		sym1 := v.Aux
 16503  		v_0 := v.Args[0]
 16504  		if v_0.Op != OpS390XMOVDaddr {
 16505  			break
 16506  		}
 16507  		off2 := v_0.AuxInt
 16508  		sym2 := v_0.Aux
 16509  		base := v_0.Args[0]
 16510  		mem := v.Args[1]
 16511  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 16512  			break
 16513  		}
 16514  		v.reset(OpS390XMOVWZload)
 16515  		v.AuxInt = off1 + off2
 16516  		v.Aux = mergeSym(sym1, sym2)
 16517  		v.AddArg(base)
 16518  		v.AddArg(mem)
 16519  		return true
 16520  	}
 16521  	// match: (MOVWZload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
 16522  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 16523  	// result: (MOVWZloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
 16524  	for {
 16525  		off1 := v.AuxInt
 16526  		sym1 := v.Aux
 16527  		v_0 := v.Args[0]
 16528  		if v_0.Op != OpS390XMOVDaddridx {
 16529  			break
 16530  		}
 16531  		off2 := v_0.AuxInt
 16532  		sym2 := v_0.Aux
 16533  		ptr := v_0.Args[0]
 16534  		idx := v_0.Args[1]
 16535  		mem := v.Args[1]
 16536  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 16537  			break
 16538  		}
 16539  		v.reset(OpS390XMOVWZloadidx)
 16540  		v.AuxInt = off1 + off2
 16541  		v.Aux = mergeSym(sym1, sym2)
 16542  		v.AddArg(ptr)
 16543  		v.AddArg(idx)
 16544  		v.AddArg(mem)
 16545  		return true
 16546  	}
 16547  	// match: (MOVWZload [off] {sym} (ADD ptr idx) mem)
 16548  	// cond: ptr.Op != OpSB
 16549  	// result: (MOVWZloadidx [off] {sym} ptr idx mem)
 16550  	for {
 16551  		off := v.AuxInt
 16552  		sym := v.Aux
 16553  		v_0 := v.Args[0]
 16554  		if v_0.Op != OpS390XADD {
 16555  			break
 16556  		}
 16557  		ptr := v_0.Args[0]
 16558  		idx := v_0.Args[1]
 16559  		mem := v.Args[1]
 16560  		if !(ptr.Op != OpSB) {
 16561  			break
 16562  		}
 16563  		v.reset(OpS390XMOVWZloadidx)
 16564  		v.AuxInt = off
 16565  		v.Aux = sym
 16566  		v.AddArg(ptr)
 16567  		v.AddArg(idx)
 16568  		v.AddArg(mem)
 16569  		return true
 16570  	}
 16571  	return false
 16572  }
 16573  func rewriteValueS390X_OpS390XMOVWZloadidx(v *Value) bool {
 16574  	// match: (MOVWZloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
 16575  	// cond:
 16576  	// result: (MOVWZloadidx [c+d] {sym} ptr idx mem)
 16577  	for {
 16578  		c := v.AuxInt
 16579  		sym := v.Aux
 16580  		v_0 := v.Args[0]
 16581  		if v_0.Op != OpS390XADDconst {
 16582  			break
 16583  		}
 16584  		d := v_0.AuxInt
 16585  		ptr := v_0.Args[0]
 16586  		idx := v.Args[1]
 16587  		mem := v.Args[2]
 16588  		v.reset(OpS390XMOVWZloadidx)
 16589  		v.AuxInt = c + d
 16590  		v.Aux = sym
 16591  		v.AddArg(ptr)
 16592  		v.AddArg(idx)
 16593  		v.AddArg(mem)
 16594  		return true
 16595  	}
 16596  	// match: (MOVWZloadidx [c] {sym} idx (ADDconst [d] ptr) mem)
 16597  	// cond:
 16598  	// result: (MOVWZloadidx [c+d] {sym} ptr idx mem)
 16599  	for {
 16600  		c := v.AuxInt
 16601  		sym := v.Aux
 16602  		idx := v.Args[0]
 16603  		v_1 := v.Args[1]
 16604  		if v_1.Op != OpS390XADDconst {
 16605  			break
 16606  		}
 16607  		d := v_1.AuxInt
 16608  		ptr := v_1.Args[0]
 16609  		mem := v.Args[2]
 16610  		v.reset(OpS390XMOVWZloadidx)
 16611  		v.AuxInt = c + d
 16612  		v.Aux = sym
 16613  		v.AddArg(ptr)
 16614  		v.AddArg(idx)
 16615  		v.AddArg(mem)
 16616  		return true
 16617  	}
 16618  	// match: (MOVWZloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
 16619  	// cond:
 16620  	// result: (MOVWZloadidx [c+d] {sym} ptr idx mem)
 16621  	for {
 16622  		c := v.AuxInt
 16623  		sym := v.Aux
 16624  		ptr := v.Args[0]
 16625  		v_1 := v.Args[1]
 16626  		if v_1.Op != OpS390XADDconst {
 16627  			break
 16628  		}
 16629  		d := v_1.AuxInt
 16630  		idx := v_1.Args[0]
 16631  		mem := v.Args[2]
 16632  		v.reset(OpS390XMOVWZloadidx)
 16633  		v.AuxInt = c + d
 16634  		v.Aux = sym
 16635  		v.AddArg(ptr)
 16636  		v.AddArg(idx)
 16637  		v.AddArg(mem)
 16638  		return true
 16639  	}
 16640  	// match: (MOVWZloadidx [c] {sym} (ADDconst [d] idx) ptr mem)
 16641  	// cond:
 16642  	// result: (MOVWZloadidx [c+d] {sym} ptr idx mem)
 16643  	for {
 16644  		c := v.AuxInt
 16645  		sym := v.Aux
 16646  		v_0 := v.Args[0]
 16647  		if v_0.Op != OpS390XADDconst {
 16648  			break
 16649  		}
 16650  		d := v_0.AuxInt
 16651  		idx := v_0.Args[0]
 16652  		ptr := v.Args[1]
 16653  		mem := v.Args[2]
 16654  		v.reset(OpS390XMOVWZloadidx)
 16655  		v.AuxInt = c + d
 16656  		v.Aux = sym
 16657  		v.AddArg(ptr)
 16658  		v.AddArg(idx)
 16659  		v.AddArg(mem)
 16660  		return true
 16661  	}
 16662  	return false
 16663  }
 16664  func rewriteValueS390X_OpS390XMOVWZreg(v *Value) bool {
 16665  	b := v.Block
 16666  	_ = b
 16667  	// match: (MOVWZreg x:(MOVBZload _ _))
 16668  	// cond:
 16669  	// result: (MOVDreg x)
 16670  	for {
 16671  		x := v.Args[0]
 16672  		if x.Op != OpS390XMOVBZload {
 16673  			break
 16674  		}
 16675  		v.reset(OpS390XMOVDreg)
 16676  		v.AddArg(x)
 16677  		return true
 16678  	}
 16679  	// match: (MOVWZreg x:(MOVHZload _ _))
 16680  	// cond:
 16681  	// result: (MOVDreg x)
 16682  	for {
 16683  		x := v.Args[0]
 16684  		if x.Op != OpS390XMOVHZload {
 16685  			break
 16686  		}
 16687  		v.reset(OpS390XMOVDreg)
 16688  		v.AddArg(x)
 16689  		return true
 16690  	}
 16691  	// match: (MOVWZreg x:(MOVWZload _ _))
 16692  	// cond:
 16693  	// result: (MOVDreg x)
 16694  	for {
 16695  		x := v.Args[0]
 16696  		if x.Op != OpS390XMOVWZload {
 16697  			break
 16698  		}
 16699  		v.reset(OpS390XMOVDreg)
 16700  		v.AddArg(x)
 16701  		return true
 16702  	}
 16703  	// match: (MOVWZreg x:(Arg <t>))
 16704  	// cond: (is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && !isSigned(t)
 16705  	// result: (MOVDreg x)
 16706  	for {
 16707  		x := v.Args[0]
 16708  		if x.Op != OpArg {
 16709  			break
 16710  		}
 16711  		t := x.Type
 16712  		if !((is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && !isSigned(t)) {
 16713  			break
 16714  		}
 16715  		v.reset(OpS390XMOVDreg)
 16716  		v.AddArg(x)
 16717  		return true
 16718  	}
 16719  	// match: (MOVWZreg x:(MOVBZreg _))
 16720  	// cond:
 16721  	// result: (MOVDreg x)
 16722  	for {
 16723  		x := v.Args[0]
 16724  		if x.Op != OpS390XMOVBZreg {
 16725  			break
 16726  		}
 16727  		v.reset(OpS390XMOVDreg)
 16728  		v.AddArg(x)
 16729  		return true
 16730  	}
 16731  	// match: (MOVWZreg x:(MOVHZreg _))
 16732  	// cond:
 16733  	// result: (MOVDreg x)
 16734  	for {
 16735  		x := v.Args[0]
 16736  		if x.Op != OpS390XMOVHZreg {
 16737  			break
 16738  		}
 16739  		v.reset(OpS390XMOVDreg)
 16740  		v.AddArg(x)
 16741  		return true
 16742  	}
 16743  	// match: (MOVWZreg x:(MOVWZreg _))
 16744  	// cond:
 16745  	// result: (MOVDreg x)
 16746  	for {
 16747  		x := v.Args[0]
 16748  		if x.Op != OpS390XMOVWZreg {
 16749  			break
 16750  		}
 16751  		v.reset(OpS390XMOVDreg)
 16752  		v.AddArg(x)
 16753  		return true
 16754  	}
 16755  	// match: (MOVWZreg (MOVDconst [c]))
 16756  	// cond:
 16757  	// result: (MOVDconst [int64(uint32(c))])
 16758  	for {
 16759  		v_0 := v.Args[0]
 16760  		if v_0.Op != OpS390XMOVDconst {
 16761  			break
 16762  		}
 16763  		c := v_0.AuxInt
 16764  		v.reset(OpS390XMOVDconst)
 16765  		v.AuxInt = int64(uint32(c))
 16766  		return true
 16767  	}
 16768  	// match: (MOVWZreg x:(MOVWZload [off] {sym} ptr mem))
 16769  	// cond: x.Uses == 1 && clobber(x)
 16770  	// result: @x.Block (MOVWZload <v.Type> [off] {sym} ptr mem)
 16771  	for {
 16772  		x := v.Args[0]
 16773  		if x.Op != OpS390XMOVWZload {
 16774  			break
 16775  		}
 16776  		off := x.AuxInt
 16777  		sym := x.Aux
 16778  		ptr := x.Args[0]
 16779  		mem := x.Args[1]
 16780  		if !(x.Uses == 1 && clobber(x)) {
 16781  			break
 16782  		}
 16783  		b = x.Block
 16784  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZload, v.Type)
 16785  		v.reset(OpCopy)
 16786  		v.AddArg(v0)
 16787  		v0.AuxInt = off
 16788  		v0.Aux = sym
 16789  		v0.AddArg(ptr)
 16790  		v0.AddArg(mem)
 16791  		return true
 16792  	}
 16793  	// match: (MOVWZreg x:(MOVWZloadidx [off] {sym} ptr idx mem))
 16794  	// cond: x.Uses == 1 && clobber(x)
 16795  	// result: @x.Block (MOVWZloadidx <v.Type> [off] {sym} ptr idx mem)
 16796  	for {
 16797  		x := v.Args[0]
 16798  		if x.Op != OpS390XMOVWZloadidx {
 16799  			break
 16800  		}
 16801  		off := x.AuxInt
 16802  		sym := x.Aux
 16803  		ptr := x.Args[0]
 16804  		idx := x.Args[1]
 16805  		mem := x.Args[2]
 16806  		if !(x.Uses == 1 && clobber(x)) {
 16807  			break
 16808  		}
 16809  		b = x.Block
 16810  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, v.Type)
 16811  		v.reset(OpCopy)
 16812  		v.AddArg(v0)
 16813  		v0.AuxInt = off
 16814  		v0.Aux = sym
 16815  		v0.AddArg(ptr)
 16816  		v0.AddArg(idx)
 16817  		v0.AddArg(mem)
 16818  		return true
 16819  	}
 16820  	return false
 16821  }
 16822  func rewriteValueS390X_OpS390XMOVWload(v *Value) bool {
 16823  	// match: (MOVWload [off1] {sym} (ADDconst [off2] ptr) mem)
 16824  	// cond: is20Bit(off1+off2)
 16825  	// result: (MOVWload  [off1+off2] {sym} ptr mem)
 16826  	for {
 16827  		off1 := v.AuxInt
 16828  		sym := v.Aux
 16829  		v_0 := v.Args[0]
 16830  		if v_0.Op != OpS390XADDconst {
 16831  			break
 16832  		}
 16833  		off2 := v_0.AuxInt
 16834  		ptr := v_0.Args[0]
 16835  		mem := v.Args[1]
 16836  		if !(is20Bit(off1 + off2)) {
 16837  			break
 16838  		}
 16839  		v.reset(OpS390XMOVWload)
 16840  		v.AuxInt = off1 + off2
 16841  		v.Aux = sym
 16842  		v.AddArg(ptr)
 16843  		v.AddArg(mem)
 16844  		return true
 16845  	}
 16846  	// match: (MOVWload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 16847  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 16848  	// result: (MOVWload [off1+off2] {mergeSym(sym1,sym2)} base mem)
 16849  	for {
 16850  		off1 := v.AuxInt
 16851  		sym1 := v.Aux
 16852  		v_0 := v.Args[0]
 16853  		if v_0.Op != OpS390XMOVDaddr {
 16854  			break
 16855  		}
 16856  		off2 := v_0.AuxInt
 16857  		sym2 := v_0.Aux
 16858  		base := v_0.Args[0]
 16859  		mem := v.Args[1]
 16860  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 16861  			break
 16862  		}
 16863  		v.reset(OpS390XMOVWload)
 16864  		v.AuxInt = off1 + off2
 16865  		v.Aux = mergeSym(sym1, sym2)
 16866  		v.AddArg(base)
 16867  		v.AddArg(mem)
 16868  		return true
 16869  	}
 16870  	return false
 16871  }
 16872  func rewriteValueS390X_OpS390XMOVWreg(v *Value) bool {
 16873  	b := v.Block
 16874  	_ = b
 16875  	// match: (MOVWreg x:(MOVBload _ _))
 16876  	// cond:
 16877  	// result: (MOVDreg x)
 16878  	for {
 16879  		x := v.Args[0]
 16880  		if x.Op != OpS390XMOVBload {
 16881  			break
 16882  		}
 16883  		v.reset(OpS390XMOVDreg)
 16884  		v.AddArg(x)
 16885  		return true
 16886  	}
 16887  	// match: (MOVWreg x:(MOVBZload _ _))
 16888  	// cond:
 16889  	// result: (MOVDreg x)
 16890  	for {
 16891  		x := v.Args[0]
 16892  		if x.Op != OpS390XMOVBZload {
 16893  			break
 16894  		}
 16895  		v.reset(OpS390XMOVDreg)
 16896  		v.AddArg(x)
 16897  		return true
 16898  	}
 16899  	// match: (MOVWreg x:(MOVHload _ _))
 16900  	// cond:
 16901  	// result: (MOVDreg x)
 16902  	for {
 16903  		x := v.Args[0]
 16904  		if x.Op != OpS390XMOVHload {
 16905  			break
 16906  		}
 16907  		v.reset(OpS390XMOVDreg)
 16908  		v.AddArg(x)
 16909  		return true
 16910  	}
 16911  	// match: (MOVWreg x:(MOVHZload _ _))
 16912  	// cond:
 16913  	// result: (MOVDreg x)
 16914  	for {
 16915  		x := v.Args[0]
 16916  		if x.Op != OpS390XMOVHZload {
 16917  			break
 16918  		}
 16919  		v.reset(OpS390XMOVDreg)
 16920  		v.AddArg(x)
 16921  		return true
 16922  	}
 16923  	// match: (MOVWreg x:(MOVWload _ _))
 16924  	// cond:
 16925  	// result: (MOVDreg x)
 16926  	for {
 16927  		x := v.Args[0]
 16928  		if x.Op != OpS390XMOVWload {
 16929  			break
 16930  		}
 16931  		v.reset(OpS390XMOVDreg)
 16932  		v.AddArg(x)
 16933  		return true
 16934  	}
 16935  	// match: (MOVWreg x:(Arg <t>))
 16936  	// cond: (is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && isSigned(t)
 16937  	// result: (MOVDreg x)
 16938  	for {
 16939  		x := v.Args[0]
 16940  		if x.Op != OpArg {
 16941  			break
 16942  		}
 16943  		t := x.Type
 16944  		if !((is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && isSigned(t)) {
 16945  			break
 16946  		}
 16947  		v.reset(OpS390XMOVDreg)
 16948  		v.AddArg(x)
 16949  		return true
 16950  	}
 16951  	// match: (MOVWreg x:(MOVBreg _))
 16952  	// cond:
 16953  	// result: (MOVDreg x)
 16954  	for {
 16955  		x := v.Args[0]
 16956  		if x.Op != OpS390XMOVBreg {
 16957  			break
 16958  		}
 16959  		v.reset(OpS390XMOVDreg)
 16960  		v.AddArg(x)
 16961  		return true
 16962  	}
 16963  	// match: (MOVWreg x:(MOVBZreg _))
 16964  	// cond:
 16965  	// result: (MOVDreg x)
 16966  	for {
 16967  		x := v.Args[0]
 16968  		if x.Op != OpS390XMOVBZreg {
 16969  			break
 16970  		}
 16971  		v.reset(OpS390XMOVDreg)
 16972  		v.AddArg(x)
 16973  		return true
 16974  	}
 16975  	// match: (MOVWreg x:(MOVHreg _))
 16976  	// cond:
 16977  	// result: (MOVDreg x)
 16978  	for {
 16979  		x := v.Args[0]
 16980  		if x.Op != OpS390XMOVHreg {
 16981  			break
 16982  		}
 16983  		v.reset(OpS390XMOVDreg)
 16984  		v.AddArg(x)
 16985  		return true
 16986  	}
 16987  	// match: (MOVWreg x:(MOVHreg _))
 16988  	// cond:
 16989  	// result: (MOVDreg x)
 16990  	for {
 16991  		x := v.Args[0]
 16992  		if x.Op != OpS390XMOVHreg {
 16993  			break
 16994  		}
 16995  		v.reset(OpS390XMOVDreg)
 16996  		v.AddArg(x)
 16997  		return true
 16998  	}
 16999  	// match: (MOVWreg x:(MOVWreg _))
 17000  	// cond:
 17001  	// result: (MOVDreg x)
 17002  	for {
 17003  		x := v.Args[0]
 17004  		if x.Op != OpS390XMOVWreg {
 17005  			break
 17006  		}
 17007  		v.reset(OpS390XMOVDreg)
 17008  		v.AddArg(x)
 17009  		return true
 17010  	}
 17011  	// match: (MOVWreg (MOVDconst [c]))
 17012  	// cond:
 17013  	// result: (MOVDconst [int64(int32(c))])
 17014  	for {
 17015  		v_0 := v.Args[0]
 17016  		if v_0.Op != OpS390XMOVDconst {
 17017  			break
 17018  		}
 17019  		c := v_0.AuxInt
 17020  		v.reset(OpS390XMOVDconst)
 17021  		v.AuxInt = int64(int32(c))
 17022  		return true
 17023  	}
 17024  	// match: (MOVWreg x:(MOVWZload [off] {sym} ptr mem))
 17025  	// cond: x.Uses == 1 && clobber(x)
 17026  	// result: @x.Block (MOVWload <v.Type> [off] {sym} ptr mem)
 17027  	for {
 17028  		x := v.Args[0]
 17029  		if x.Op != OpS390XMOVWZload {
 17030  			break
 17031  		}
 17032  		off := x.AuxInt
 17033  		sym := x.Aux
 17034  		ptr := x.Args[0]
 17035  		mem := x.Args[1]
 17036  		if !(x.Uses == 1 && clobber(x)) {
 17037  			break
 17038  		}
 17039  		b = x.Block
 17040  		v0 := b.NewValue0(v.Pos, OpS390XMOVWload, v.Type)
 17041  		v.reset(OpCopy)
 17042  		v.AddArg(v0)
 17043  		v0.AuxInt = off
 17044  		v0.Aux = sym
 17045  		v0.AddArg(ptr)
 17046  		v0.AddArg(mem)
 17047  		return true
 17048  	}
 17049  	return false
 17050  }
 17051  func rewriteValueS390X_OpS390XMOVWstore(v *Value) bool {
 17052  	// match: (MOVWstore [off] {sym} ptr (MOVWreg x) mem)
 17053  	// cond:
 17054  	// result: (MOVWstore [off] {sym} ptr x mem)
 17055  	for {
 17056  		off := v.AuxInt
 17057  		sym := v.Aux
 17058  		ptr := v.Args[0]
 17059  		v_1 := v.Args[1]
 17060  		if v_1.Op != OpS390XMOVWreg {
 17061  			break
 17062  		}
 17063  		x := v_1.Args[0]
 17064  		mem := v.Args[2]
 17065  		v.reset(OpS390XMOVWstore)
 17066  		v.AuxInt = off
 17067  		v.Aux = sym
 17068  		v.AddArg(ptr)
 17069  		v.AddArg(x)
 17070  		v.AddArg(mem)
 17071  		return true
 17072  	}
 17073  	// match: (MOVWstore [off] {sym} ptr (MOVWZreg x) mem)
 17074  	// cond:
 17075  	// result: (MOVWstore [off] {sym} ptr x mem)
 17076  	for {
 17077  		off := v.AuxInt
 17078  		sym := v.Aux
 17079  		ptr := v.Args[0]
 17080  		v_1 := v.Args[1]
 17081  		if v_1.Op != OpS390XMOVWZreg {
 17082  			break
 17083  		}
 17084  		x := v_1.Args[0]
 17085  		mem := v.Args[2]
 17086  		v.reset(OpS390XMOVWstore)
 17087  		v.AuxInt = off
 17088  		v.Aux = sym
 17089  		v.AddArg(ptr)
 17090  		v.AddArg(x)
 17091  		v.AddArg(mem)
 17092  		return true
 17093  	}
 17094  	// match: (MOVWstore [off1] {sym} (ADDconst [off2] ptr) val mem)
 17095  	// cond: is20Bit(off1+off2)
 17096  	// result: (MOVWstore  [off1+off2] {sym} ptr val mem)
 17097  	for {
 17098  		off1 := v.AuxInt
 17099  		sym := v.Aux
 17100  		v_0 := v.Args[0]
 17101  		if v_0.Op != OpS390XADDconst {
 17102  			break
 17103  		}
 17104  		off2 := v_0.AuxInt
 17105  		ptr := v_0.Args[0]
 17106  		val := v.Args[1]
 17107  		mem := v.Args[2]
 17108  		if !(is20Bit(off1 + off2)) {
 17109  			break
 17110  		}
 17111  		v.reset(OpS390XMOVWstore)
 17112  		v.AuxInt = off1 + off2
 17113  		v.Aux = sym
 17114  		v.AddArg(ptr)
 17115  		v.AddArg(val)
 17116  		v.AddArg(mem)
 17117  		return true
 17118  	}
 17119  	// match: (MOVWstore [off] {sym} ptr (MOVDconst [c]) mem)
 17120  	// cond: validOff(off) && int64(int16(c)) == c && ptr.Op != OpSB
 17121  	// result: (MOVWstoreconst [makeValAndOff(int64(int32(c)),off)] {sym} ptr mem)
 17122  	for {
 17123  		off := v.AuxInt
 17124  		sym := v.Aux
 17125  		ptr := v.Args[0]
 17126  		v_1 := v.Args[1]
 17127  		if v_1.Op != OpS390XMOVDconst {
 17128  			break
 17129  		}
 17130  		c := v_1.AuxInt
 17131  		mem := v.Args[2]
 17132  		if !(validOff(off) && int64(int16(c)) == c && ptr.Op != OpSB) {
 17133  			break
 17134  		}
 17135  		v.reset(OpS390XMOVWstoreconst)
 17136  		v.AuxInt = makeValAndOff(int64(int32(c)), off)
 17137  		v.Aux = sym
 17138  		v.AddArg(ptr)
 17139  		v.AddArg(mem)
 17140  		return true
 17141  	}
 17142  	// match: (MOVWstore [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
 17143  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 17144  	// result: (MOVWstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
 17145  	for {
 17146  		off1 := v.AuxInt
 17147  		sym1 := v.Aux
 17148  		v_0 := v.Args[0]
 17149  		if v_0.Op != OpS390XMOVDaddr {
 17150  			break
 17151  		}
 17152  		off2 := v_0.AuxInt
 17153  		sym2 := v_0.Aux
 17154  		base := v_0.Args[0]
 17155  		val := v.Args[1]
 17156  		mem := v.Args[2]
 17157  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 17158  			break
 17159  		}
 17160  		v.reset(OpS390XMOVWstore)
 17161  		v.AuxInt = off1 + off2
 17162  		v.Aux = mergeSym(sym1, sym2)
 17163  		v.AddArg(base)
 17164  		v.AddArg(val)
 17165  		v.AddArg(mem)
 17166  		return true
 17167  	}
 17168  	// match: (MOVWstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
 17169  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 17170  	// result: (MOVWstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
 17171  	for {
 17172  		off1 := v.AuxInt
 17173  		sym1 := v.Aux
 17174  		v_0 := v.Args[0]
 17175  		if v_0.Op != OpS390XMOVDaddridx {
 17176  			break
 17177  		}
 17178  		off2 := v_0.AuxInt
 17179  		sym2 := v_0.Aux
 17180  		ptr := v_0.Args[0]
 17181  		idx := v_0.Args[1]
 17182  		val := v.Args[1]
 17183  		mem := v.Args[2]
 17184  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 17185  			break
 17186  		}
 17187  		v.reset(OpS390XMOVWstoreidx)
 17188  		v.AuxInt = off1 + off2
 17189  		v.Aux = mergeSym(sym1, sym2)
 17190  		v.AddArg(ptr)
 17191  		v.AddArg(idx)
 17192  		v.AddArg(val)
 17193  		v.AddArg(mem)
 17194  		return true
 17195  	}
 17196  	// match: (MOVWstore [off] {sym} (ADD ptr idx) val mem)
 17197  	// cond: ptr.Op != OpSB
 17198  	// result: (MOVWstoreidx [off] {sym} ptr idx val mem)
 17199  	for {
 17200  		off := v.AuxInt
 17201  		sym := v.Aux
 17202  		v_0 := v.Args[0]
 17203  		if v_0.Op != OpS390XADD {
 17204  			break
 17205  		}
 17206  		ptr := v_0.Args[0]
 17207  		idx := v_0.Args[1]
 17208  		val := v.Args[1]
 17209  		mem := v.Args[2]
 17210  		if !(ptr.Op != OpSB) {
 17211  			break
 17212  		}
 17213  		v.reset(OpS390XMOVWstoreidx)
 17214  		v.AuxInt = off
 17215  		v.Aux = sym
 17216  		v.AddArg(ptr)
 17217  		v.AddArg(idx)
 17218  		v.AddArg(val)
 17219  		v.AddArg(mem)
 17220  		return true
 17221  	}
 17222  	// match: (MOVWstore [i] {s} p (SRDconst [32] w) x:(MOVWstore [i-4] {s} p w mem))
 17223  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 17224  	// result: (MOVDstore [i-4] {s} p w mem)
 17225  	for {
 17226  		i := v.AuxInt
 17227  		s := v.Aux
 17228  		p := v.Args[0]
 17229  		v_1 := v.Args[1]
 17230  		if v_1.Op != OpS390XSRDconst {
 17231  			break
 17232  		}
 17233  		if v_1.AuxInt != 32 {
 17234  			break
 17235  		}
 17236  		w := v_1.Args[0]
 17237  		x := v.Args[2]
 17238  		if x.Op != OpS390XMOVWstore {
 17239  			break
 17240  		}
 17241  		if x.AuxInt != i-4 {
 17242  			break
 17243  		}
 17244  		if x.Aux != s {
 17245  			break
 17246  		}
 17247  		if p != x.Args[0] {
 17248  			break
 17249  		}
 17250  		if w != x.Args[1] {
 17251  			break
 17252  		}
 17253  		mem := x.Args[2]
 17254  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 17255  			break
 17256  		}
 17257  		v.reset(OpS390XMOVDstore)
 17258  		v.AuxInt = i - 4
 17259  		v.Aux = s
 17260  		v.AddArg(p)
 17261  		v.AddArg(w)
 17262  		v.AddArg(mem)
 17263  		return true
 17264  	}
 17265  	// match: (MOVWstore [i] {s} p w0:(SRDconst [j] w) x:(MOVWstore [i-4] {s} p (SRDconst [j+32] w) mem))
 17266  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 17267  	// result: (MOVDstore [i-4] {s} p w0 mem)
 17268  	for {
 17269  		i := v.AuxInt
 17270  		s := v.Aux
 17271  		p := v.Args[0]
 17272  		w0 := v.Args[1]
 17273  		if w0.Op != OpS390XSRDconst {
 17274  			break
 17275  		}
 17276  		j := w0.AuxInt
 17277  		w := w0.Args[0]
 17278  		x := v.Args[2]
 17279  		if x.Op != OpS390XMOVWstore {
 17280  			break
 17281  		}
 17282  		if x.AuxInt != i-4 {
 17283  			break
 17284  		}
 17285  		if x.Aux != s {
 17286  			break
 17287  		}
 17288  		if p != x.Args[0] {
 17289  			break
 17290  		}
 17291  		x_1 := x.Args[1]
 17292  		if x_1.Op != OpS390XSRDconst {
 17293  			break
 17294  		}
 17295  		if x_1.AuxInt != j+32 {
 17296  			break
 17297  		}
 17298  		if w != x_1.Args[0] {
 17299  			break
 17300  		}
 17301  		mem := x.Args[2]
 17302  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 17303  			break
 17304  		}
 17305  		v.reset(OpS390XMOVDstore)
 17306  		v.AuxInt = i - 4
 17307  		v.Aux = s
 17308  		v.AddArg(p)
 17309  		v.AddArg(w0)
 17310  		v.AddArg(mem)
 17311  		return true
 17312  	}
 17313  	// match: (MOVWstore [i] {s} p w1 x:(MOVWstore [i-4] {s} p w0 mem))
 17314  	// cond: p.Op != OpSB   && x.Uses == 1   && is20Bit(i-4)   && clobber(x)
 17315  	// result: (STM2 [i-4] {s} p w0 w1 mem)
 17316  	for {
 17317  		i := v.AuxInt
 17318  		s := v.Aux
 17319  		p := v.Args[0]
 17320  		w1 := v.Args[1]
 17321  		x := v.Args[2]
 17322  		if x.Op != OpS390XMOVWstore {
 17323  			break
 17324  		}
 17325  		if x.AuxInt != i-4 {
 17326  			break
 17327  		}
 17328  		if x.Aux != s {
 17329  			break
 17330  		}
 17331  		if p != x.Args[0] {
 17332  			break
 17333  		}
 17334  		w0 := x.Args[1]
 17335  		mem := x.Args[2]
 17336  		if !(p.Op != OpSB && x.Uses == 1 && is20Bit(i-4) && clobber(x)) {
 17337  			break
 17338  		}
 17339  		v.reset(OpS390XSTM2)
 17340  		v.AuxInt = i - 4
 17341  		v.Aux = s
 17342  		v.AddArg(p)
 17343  		v.AddArg(w0)
 17344  		v.AddArg(w1)
 17345  		v.AddArg(mem)
 17346  		return true
 17347  	}
 17348  	// match: (MOVWstore [i] {s} p w2 x:(STM2 [i-8] {s} p w0 w1 mem))
 17349  	// cond: x.Uses == 1   && is20Bit(i-8)   && clobber(x)
 17350  	// result: (STM3 [i-8] {s} p w0 w1 w2 mem)
 17351  	for {
 17352  		i := v.AuxInt
 17353  		s := v.Aux
 17354  		p := v.Args[0]
 17355  		w2 := v.Args[1]
 17356  		x := v.Args[2]
 17357  		if x.Op != OpS390XSTM2 {
 17358  			break
 17359  		}
 17360  		if x.AuxInt != i-8 {
 17361  			break
 17362  		}
 17363  		if x.Aux != s {
 17364  			break
 17365  		}
 17366  		if p != x.Args[0] {
 17367  			break
 17368  		}
 17369  		w0 := x.Args[1]
 17370  		w1 := x.Args[2]
 17371  		mem := x.Args[3]
 17372  		if !(x.Uses == 1 && is20Bit(i-8) && clobber(x)) {
 17373  			break
 17374  		}
 17375  		v.reset(OpS390XSTM3)
 17376  		v.AuxInt = i - 8
 17377  		v.Aux = s
 17378  		v.AddArg(p)
 17379  		v.AddArg(w0)
 17380  		v.AddArg(w1)
 17381  		v.AddArg(w2)
 17382  		v.AddArg(mem)
 17383  		return true
 17384  	}
 17385  	// match: (MOVWstore [i] {s} p w3 x:(STM3 [i-12] {s} p w0 w1 w2 mem))
 17386  	// cond: x.Uses == 1   && is20Bit(i-12)   && clobber(x)
 17387  	// result: (STM4 [i-12] {s} p w0 w1 w2 w3 mem)
 17388  	for {
 17389  		i := v.AuxInt
 17390  		s := v.Aux
 17391  		p := v.Args[0]
 17392  		w3 := v.Args[1]
 17393  		x := v.Args[2]
 17394  		if x.Op != OpS390XSTM3 {
 17395  			break
 17396  		}
 17397  		if x.AuxInt != i-12 {
 17398  			break
 17399  		}
 17400  		if x.Aux != s {
 17401  			break
 17402  		}
 17403  		if p != x.Args[0] {
 17404  			break
 17405  		}
 17406  		w0 := x.Args[1]
 17407  		w1 := x.Args[2]
 17408  		w2 := x.Args[3]
 17409  		mem := x.Args[4]
 17410  		if !(x.Uses == 1 && is20Bit(i-12) && clobber(x)) {
 17411  			break
 17412  		}
 17413  		v.reset(OpS390XSTM4)
 17414  		v.AuxInt = i - 12
 17415  		v.Aux = s
 17416  		v.AddArg(p)
 17417  		v.AddArg(w0)
 17418  		v.AddArg(w1)
 17419  		v.AddArg(w2)
 17420  		v.AddArg(w3)
 17421  		v.AddArg(mem)
 17422  		return true
 17423  	}
 17424  	return false
 17425  }
 17426  func rewriteValueS390X_OpS390XMOVWstoreconst(v *Value) bool {
 17427  	b := v.Block
 17428  	_ = b
 17429  	types := &b.Func.Config.Types
 17430  	_ = types
 17431  	// match: (MOVWstoreconst [sc] {s} (ADDconst [off] ptr) mem)
 17432  	// cond: ValAndOff(sc).canAdd(off)
 17433  	// result: (MOVWstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
 17434  	for {
 17435  		sc := v.AuxInt
 17436  		s := v.Aux
 17437  		v_0 := v.Args[0]
 17438  		if v_0.Op != OpS390XADDconst {
 17439  			break
 17440  		}
 17441  		off := v_0.AuxInt
 17442  		ptr := v_0.Args[0]
 17443  		mem := v.Args[1]
 17444  		if !(ValAndOff(sc).canAdd(off)) {
 17445  			break
 17446  		}
 17447  		v.reset(OpS390XMOVWstoreconst)
 17448  		v.AuxInt = ValAndOff(sc).add(off)
 17449  		v.Aux = s
 17450  		v.AddArg(ptr)
 17451  		v.AddArg(mem)
 17452  		return true
 17453  	}
 17454  	// match: (MOVWstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
 17455  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
 17456  	// result: (MOVWstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
 17457  	for {
 17458  		sc := v.AuxInt
 17459  		sym1 := v.Aux
 17460  		v_0 := v.Args[0]
 17461  		if v_0.Op != OpS390XMOVDaddr {
 17462  			break
 17463  		}
 17464  		off := v_0.AuxInt
 17465  		sym2 := v_0.Aux
 17466  		ptr := v_0.Args[0]
 17467  		mem := v.Args[1]
 17468  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
 17469  			break
 17470  		}
 17471  		v.reset(OpS390XMOVWstoreconst)
 17472  		v.AuxInt = ValAndOff(sc).add(off)
 17473  		v.Aux = mergeSym(sym1, sym2)
 17474  		v.AddArg(ptr)
 17475  		v.AddArg(mem)
 17476  		return true
 17477  	}
 17478  	// match: (MOVWstoreconst [c] {s} p x:(MOVWstoreconst [a] {s} p mem))
 17479  	// cond: p.Op != OpSB   && x.Uses == 1   && ValAndOff(a).Off() + 4 == ValAndOff(c).Off()   && clobber(x)
 17480  	// result: (MOVDstore [ValAndOff(a).Off()] {s} p (MOVDconst [ValAndOff(c).Val()&0xffffffff | ValAndOff(a).Val()<<32]) mem)
 17481  	for {
 17482  		c := v.AuxInt
 17483  		s := v.Aux
 17484  		p := v.Args[0]
 17485  		x := v.Args[1]
 17486  		if x.Op != OpS390XMOVWstoreconst {
 17487  			break
 17488  		}
 17489  		a := x.AuxInt
 17490  		if x.Aux != s {
 17491  			break
 17492  		}
 17493  		if p != x.Args[0] {
 17494  			break
 17495  		}
 17496  		mem := x.Args[1]
 17497  		if !(p.Op != OpSB && x.Uses == 1 && ValAndOff(a).Off()+4 == ValAndOff(c).Off() && clobber(x)) {
 17498  			break
 17499  		}
 17500  		v.reset(OpS390XMOVDstore)
 17501  		v.AuxInt = ValAndOff(a).Off()
 17502  		v.Aux = s
 17503  		v.AddArg(p)
 17504  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
 17505  		v0.AuxInt = ValAndOff(c).Val()&0xffffffff | ValAndOff(a).Val()<<32
 17506  		v.AddArg(v0)
 17507  		v.AddArg(mem)
 17508  		return true
 17509  	}
 17510  	return false
 17511  }
 17512  func rewriteValueS390X_OpS390XMOVWstoreidx(v *Value) bool {
 17513  	// match: (MOVWstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
 17514  	// cond:
 17515  	// result: (MOVWstoreidx [c+d] {sym} ptr idx val mem)
 17516  	for {
 17517  		c := v.AuxInt
 17518  		sym := v.Aux
 17519  		v_0 := v.Args[0]
 17520  		if v_0.Op != OpS390XADDconst {
 17521  			break
 17522  		}
 17523  		d := v_0.AuxInt
 17524  		ptr := v_0.Args[0]
 17525  		idx := v.Args[1]
 17526  		val := v.Args[2]
 17527  		mem := v.Args[3]
 17528  		v.reset(OpS390XMOVWstoreidx)
 17529  		v.AuxInt = c + d
 17530  		v.Aux = sym
 17531  		v.AddArg(ptr)
 17532  		v.AddArg(idx)
 17533  		v.AddArg(val)
 17534  		v.AddArg(mem)
 17535  		return true
 17536  	}
 17537  	// match: (MOVWstoreidx [c] {sym} idx (ADDconst [d] ptr) val mem)
 17538  	// cond:
 17539  	// result: (MOVWstoreidx [c+d] {sym} ptr idx val mem)
 17540  	for {
 17541  		c := v.AuxInt
 17542  		sym := v.Aux
 17543  		idx := v.Args[0]
 17544  		v_1 := v.Args[1]
 17545  		if v_1.Op != OpS390XADDconst {
 17546  			break
 17547  		}
 17548  		d := v_1.AuxInt
 17549  		ptr := v_1.Args[0]
 17550  		val := v.Args[2]
 17551  		mem := v.Args[3]
 17552  		v.reset(OpS390XMOVWstoreidx)
 17553  		v.AuxInt = c + d
 17554  		v.Aux = sym
 17555  		v.AddArg(ptr)
 17556  		v.AddArg(idx)
 17557  		v.AddArg(val)
 17558  		v.AddArg(mem)
 17559  		return true
 17560  	}
 17561  	// match: (MOVWstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
 17562  	// cond:
 17563  	// result: (MOVWstoreidx [c+d] {sym} ptr idx val mem)
 17564  	for {
 17565  		c := v.AuxInt
 17566  		sym := v.Aux
 17567  		ptr := v.Args[0]
 17568  		v_1 := v.Args[1]
 17569  		if v_1.Op != OpS390XADDconst {
 17570  			break
 17571  		}
 17572  		d := v_1.AuxInt
 17573  		idx := v_1.Args[0]
 17574  		val := v.Args[2]
 17575  		mem := v.Args[3]
 17576  		v.reset(OpS390XMOVWstoreidx)
 17577  		v.AuxInt = c + d
 17578  		v.Aux = sym
 17579  		v.AddArg(ptr)
 17580  		v.AddArg(idx)
 17581  		v.AddArg(val)
 17582  		v.AddArg(mem)
 17583  		return true
 17584  	}
 17585  	// match: (MOVWstoreidx [c] {sym} (ADDconst [d] idx) ptr val mem)
 17586  	// cond:
 17587  	// result: (MOVWstoreidx [c+d] {sym} ptr idx val mem)
 17588  	for {
 17589  		c := v.AuxInt
 17590  		sym := v.Aux
 17591  		v_0 := v.Args[0]
 17592  		if v_0.Op != OpS390XADDconst {
 17593  			break
 17594  		}
 17595  		d := v_0.AuxInt
 17596  		idx := v_0.Args[0]
 17597  		ptr := v.Args[1]
 17598  		val := v.Args[2]
 17599  		mem := v.Args[3]
 17600  		v.reset(OpS390XMOVWstoreidx)
 17601  		v.AuxInt = c + d
 17602  		v.Aux = sym
 17603  		v.AddArg(ptr)
 17604  		v.AddArg(idx)
 17605  		v.AddArg(val)
 17606  		v.AddArg(mem)
 17607  		return true
 17608  	}
 17609  	// match: (MOVWstoreidx [i] {s} p idx w x:(MOVWstoreidx [i-4] {s} p idx (SRDconst [32] w) mem))
 17610  	// cond: x.Uses == 1   && clobber(x)
 17611  	// result: (MOVDstoreidx [i-4] {s} p idx w mem)
 17612  	for {
 17613  		i := v.AuxInt
 17614  		s := v.Aux
 17615  		p := v.Args[0]
 17616  		idx := v.Args[1]
 17617  		w := v.Args[2]
 17618  		x := v.Args[3]
 17619  		if x.Op != OpS390XMOVWstoreidx {
 17620  			break
 17621  		}
 17622  		if x.AuxInt != i-4 {
 17623  			break
 17624  		}
 17625  		if x.Aux != s {
 17626  			break
 17627  		}
 17628  		if p != x.Args[0] {
 17629  			break
 17630  		}
 17631  		if idx != x.Args[1] {
 17632  			break
 17633  		}
 17634  		x_2 := x.Args[2]
 17635  		if x_2.Op != OpS390XSRDconst {
 17636  			break
 17637  		}
 17638  		if x_2.AuxInt != 32 {
 17639  			break
 17640  		}
 17641  		if w != x_2.Args[0] {
 17642  			break
 17643  		}
 17644  		mem := x.Args[3]
 17645  		if !(x.Uses == 1 && clobber(x)) {
 17646  			break
 17647  		}
 17648  		v.reset(OpS390XMOVDstoreidx)
 17649  		v.AuxInt = i - 4
 17650  		v.Aux = s
 17651  		v.AddArg(p)
 17652  		v.AddArg(idx)
 17653  		v.AddArg(w)
 17654  		v.AddArg(mem)
 17655  		return true
 17656  	}
 17657  	// match: (MOVWstoreidx [i] {s} p idx w x:(MOVWstoreidx [i-4] {s} idx p (SRDconst [32] w) mem))
 17658  	// cond: x.Uses == 1   && clobber(x)
 17659  	// result: (MOVDstoreidx [i-4] {s} p idx w mem)
 17660  	for {
 17661  		i := v.AuxInt
 17662  		s := v.Aux
 17663  		p := v.Args[0]
 17664  		idx := v.Args[1]
 17665  		w := v.Args[2]
 17666  		x := v.Args[3]
 17667  		if x.Op != OpS390XMOVWstoreidx {
 17668  			break
 17669  		}
 17670  		if x.AuxInt != i-4 {
 17671  			break
 17672  		}
 17673  		if x.Aux != s {
 17674  			break
 17675  		}
 17676  		if idx != x.Args[0] {
 17677  			break
 17678  		}
 17679  		if p != x.Args[1] {
 17680  			break
 17681  		}
 17682  		x_2 := x.Args[2]
 17683  		if x_2.Op != OpS390XSRDconst {
 17684  			break
 17685  		}
 17686  		if x_2.AuxInt != 32 {
 17687  			break
 17688  		}
 17689  		if w != x_2.Args[0] {
 17690  			break
 17691  		}
 17692  		mem := x.Args[3]
 17693  		if !(x.Uses == 1 && clobber(x)) {
 17694  			break
 17695  		}
 17696  		v.reset(OpS390XMOVDstoreidx)
 17697  		v.AuxInt = i - 4
 17698  		v.Aux = s
 17699  		v.AddArg(p)
 17700  		v.AddArg(idx)
 17701  		v.AddArg(w)
 17702  		v.AddArg(mem)
 17703  		return true
 17704  	}
 17705  	// match: (MOVWstoreidx [i] {s} idx p w x:(MOVWstoreidx [i-4] {s} p idx (SRDconst [32] w) mem))
 17706  	// cond: x.Uses == 1   && clobber(x)
 17707  	// result: (MOVDstoreidx [i-4] {s} p idx w mem)
 17708  	for {
 17709  		i := v.AuxInt
 17710  		s := v.Aux
 17711  		idx := v.Args[0]
 17712  		p := v.Args[1]
 17713  		w := v.Args[2]
 17714  		x := v.Args[3]
 17715  		if x.Op != OpS390XMOVWstoreidx {
 17716  			break
 17717  		}
 17718  		if x.AuxInt != i-4 {
 17719  			break
 17720  		}
 17721  		if x.Aux != s {
 17722  			break
 17723  		}
 17724  		if p != x.Args[0] {
 17725  			break
 17726  		}
 17727  		if idx != x.Args[1] {
 17728  			break
 17729  		}
 17730  		x_2 := x.Args[2]
 17731  		if x_2.Op != OpS390XSRDconst {
 17732  			break
 17733  		}
 17734  		if x_2.AuxInt != 32 {
 17735  			break
 17736  		}
 17737  		if w != x_2.Args[0] {
 17738  			break
 17739  		}
 17740  		mem := x.Args[3]
 17741  		if !(x.Uses == 1 && clobber(x)) {
 17742  			break
 17743  		}
 17744  		v.reset(OpS390XMOVDstoreidx)
 17745  		v.AuxInt = i - 4
 17746  		v.Aux = s
 17747  		v.AddArg(p)
 17748  		v.AddArg(idx)
 17749  		v.AddArg(w)
 17750  		v.AddArg(mem)
 17751  		return true
 17752  	}
 17753  	// match: (MOVWstoreidx [i] {s} idx p w x:(MOVWstoreidx [i-4] {s} idx p (SRDconst [32] w) mem))
 17754  	// cond: x.Uses == 1   && clobber(x)
 17755  	// result: (MOVDstoreidx [i-4] {s} p idx w mem)
 17756  	for {
 17757  		i := v.AuxInt
 17758  		s := v.Aux
 17759  		idx := v.Args[0]
 17760  		p := v.Args[1]
 17761  		w := v.Args[2]
 17762  		x := v.Args[3]
 17763  		if x.Op != OpS390XMOVWstoreidx {
 17764  			break
 17765  		}
 17766  		if x.AuxInt != i-4 {
 17767  			break
 17768  		}
 17769  		if x.Aux != s {
 17770  			break
 17771  		}
 17772  		if idx != x.Args[0] {
 17773  			break
 17774  		}
 17775  		if p != x.Args[1] {
 17776  			break
 17777  		}
 17778  		x_2 := x.Args[2]
 17779  		if x_2.Op != OpS390XSRDconst {
 17780  			break
 17781  		}
 17782  		if x_2.AuxInt != 32 {
 17783  			break
 17784  		}
 17785  		if w != x_2.Args[0] {
 17786  			break
 17787  		}
 17788  		mem := x.Args[3]
 17789  		if !(x.Uses == 1 && clobber(x)) {
 17790  			break
 17791  		}
 17792  		v.reset(OpS390XMOVDstoreidx)
 17793  		v.AuxInt = i - 4
 17794  		v.Aux = s
 17795  		v.AddArg(p)
 17796  		v.AddArg(idx)
 17797  		v.AddArg(w)
 17798  		v.AddArg(mem)
 17799  		return true
 17800  	}
 17801  	// match: (MOVWstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVWstoreidx [i-4] {s} p idx (SRDconst [j+32] w) mem))
 17802  	// cond: x.Uses == 1   && clobber(x)
 17803  	// result: (MOVDstoreidx [i-4] {s} p idx w0 mem)
 17804  	for {
 17805  		i := v.AuxInt
 17806  		s := v.Aux
 17807  		p := v.Args[0]
 17808  		idx := v.Args[1]
 17809  		w0 := v.Args[2]
 17810  		if w0.Op != OpS390XSRDconst {
 17811  			break
 17812  		}
 17813  		j := w0.AuxInt
 17814  		w := w0.Args[0]
 17815  		x := v.Args[3]
 17816  		if x.Op != OpS390XMOVWstoreidx {
 17817  			break
 17818  		}
 17819  		if x.AuxInt != i-4 {
 17820  			break
 17821  		}
 17822  		if x.Aux != s {
 17823  			break
 17824  		}
 17825  		if p != x.Args[0] {
 17826  			break
 17827  		}
 17828  		if idx != x.Args[1] {
 17829  			break
 17830  		}
 17831  		x_2 := x.Args[2]
 17832  		if x_2.Op != OpS390XSRDconst {
 17833  			break
 17834  		}
 17835  		if x_2.AuxInt != j+32 {
 17836  			break
 17837  		}
 17838  		if w != x_2.Args[0] {
 17839  			break
 17840  		}
 17841  		mem := x.Args[3]
 17842  		if !(x.Uses == 1 && clobber(x)) {
 17843  			break
 17844  		}
 17845  		v.reset(OpS390XMOVDstoreidx)
 17846  		v.AuxInt = i - 4
 17847  		v.Aux = s
 17848  		v.AddArg(p)
 17849  		v.AddArg(idx)
 17850  		v.AddArg(w0)
 17851  		v.AddArg(mem)
 17852  		return true
 17853  	}
 17854  	// match: (MOVWstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVWstoreidx [i-4] {s} idx p (SRDconst [j+32] w) mem))
 17855  	// cond: x.Uses == 1   && clobber(x)
 17856  	// result: (MOVDstoreidx [i-4] {s} p idx w0 mem)
 17857  	for {
 17858  		i := v.AuxInt
 17859  		s := v.Aux
 17860  		p := v.Args[0]
 17861  		idx := v.Args[1]
 17862  		w0 := v.Args[2]
 17863  		if w0.Op != OpS390XSRDconst {
 17864  			break
 17865  		}
 17866  		j := w0.AuxInt
 17867  		w := w0.Args[0]
 17868  		x := v.Args[3]
 17869  		if x.Op != OpS390XMOVWstoreidx {
 17870  			break
 17871  		}
 17872  		if x.AuxInt != i-4 {
 17873  			break
 17874  		}
 17875  		if x.Aux != s {
 17876  			break
 17877  		}
 17878  		if idx != x.Args[0] {
 17879  			break
 17880  		}
 17881  		if p != x.Args[1] {
 17882  			break
 17883  		}
 17884  		x_2 := x.Args[2]
 17885  		if x_2.Op != OpS390XSRDconst {
 17886  			break
 17887  		}
 17888  		if x_2.AuxInt != j+32 {
 17889  			break
 17890  		}
 17891  		if w != x_2.Args[0] {
 17892  			break
 17893  		}
 17894  		mem := x.Args[3]
 17895  		if !(x.Uses == 1 && clobber(x)) {
 17896  			break
 17897  		}
 17898  		v.reset(OpS390XMOVDstoreidx)
 17899  		v.AuxInt = i - 4
 17900  		v.Aux = s
 17901  		v.AddArg(p)
 17902  		v.AddArg(idx)
 17903  		v.AddArg(w0)
 17904  		v.AddArg(mem)
 17905  		return true
 17906  	}
 17907  	// match: (MOVWstoreidx [i] {s} idx p w0:(SRDconst [j] w) x:(MOVWstoreidx [i-4] {s} p idx (SRDconst [j+32] w) mem))
 17908  	// cond: x.Uses == 1   && clobber(x)
 17909  	// result: (MOVDstoreidx [i-4] {s} p idx w0 mem)
 17910  	for {
 17911  		i := v.AuxInt
 17912  		s := v.Aux
 17913  		idx := v.Args[0]
 17914  		p := v.Args[1]
 17915  		w0 := v.Args[2]
 17916  		if w0.Op != OpS390XSRDconst {
 17917  			break
 17918  		}
 17919  		j := w0.AuxInt
 17920  		w := w0.Args[0]
 17921  		x := v.Args[3]
 17922  		if x.Op != OpS390XMOVWstoreidx {
 17923  			break
 17924  		}
 17925  		if x.AuxInt != i-4 {
 17926  			break
 17927  		}
 17928  		if x.Aux != s {
 17929  			break
 17930  		}
 17931  		if p != x.Args[0] {
 17932  			break
 17933  		}
 17934  		if idx != x.Args[1] {
 17935  			break
 17936  		}
 17937  		x_2 := x.Args[2]
 17938  		if x_2.Op != OpS390XSRDconst {
 17939  			break
 17940  		}
 17941  		if x_2.AuxInt != j+32 {
 17942  			break
 17943  		}
 17944  		if w != x_2.Args[0] {
 17945  			break
 17946  		}
 17947  		mem := x.Args[3]
 17948  		if !(x.Uses == 1 && clobber(x)) {
 17949  			break
 17950  		}
 17951  		v.reset(OpS390XMOVDstoreidx)
 17952  		v.AuxInt = i - 4
 17953  		v.Aux = s
 17954  		v.AddArg(p)
 17955  		v.AddArg(idx)
 17956  		v.AddArg(w0)
 17957  		v.AddArg(mem)
 17958  		return true
 17959  	}
 17960  	// match: (MOVWstoreidx [i] {s} idx p w0:(SRDconst [j] w) x:(MOVWstoreidx [i-4] {s} idx p (SRDconst [j+32] w) mem))
 17961  	// cond: x.Uses == 1   && clobber(x)
 17962  	// result: (MOVDstoreidx [i-4] {s} p idx w0 mem)
 17963  	for {
 17964  		i := v.AuxInt
 17965  		s := v.Aux
 17966  		idx := v.Args[0]
 17967  		p := v.Args[1]
 17968  		w0 := v.Args[2]
 17969  		if w0.Op != OpS390XSRDconst {
 17970  			break
 17971  		}
 17972  		j := w0.AuxInt
 17973  		w := w0.Args[0]
 17974  		x := v.Args[3]
 17975  		if x.Op != OpS390XMOVWstoreidx {
 17976  			break
 17977  		}
 17978  		if x.AuxInt != i-4 {
 17979  			break
 17980  		}
 17981  		if x.Aux != s {
 17982  			break
 17983  		}
 17984  		if idx != x.Args[0] {
 17985  			break
 17986  		}
 17987  		if p != x.Args[1] {
 17988  			break
 17989  		}
 17990  		x_2 := x.Args[2]
 17991  		if x_2.Op != OpS390XSRDconst {
 17992  			break
 17993  		}
 17994  		if x_2.AuxInt != j+32 {
 17995  			break
 17996  		}
 17997  		if w != x_2.Args[0] {
 17998  			break
 17999  		}
 18000  		mem := x.Args[3]
 18001  		if !(x.Uses == 1 && clobber(x)) {
 18002  			break
 18003  		}
 18004  		v.reset(OpS390XMOVDstoreidx)
 18005  		v.AuxInt = i - 4
 18006  		v.Aux = s
 18007  		v.AddArg(p)
 18008  		v.AddArg(idx)
 18009  		v.AddArg(w0)
 18010  		v.AddArg(mem)
 18011  		return true
 18012  	}
 18013  	return false
 18014  }
 18015  func rewriteValueS390X_OpS390XMULLD(v *Value) bool {
 18016  	// match: (MULLD x (MOVDconst [c]))
 18017  	// cond: is32Bit(c)
 18018  	// result: (MULLDconst [c] x)
 18019  	for {
 18020  		x := v.Args[0]
 18021  		v_1 := v.Args[1]
 18022  		if v_1.Op != OpS390XMOVDconst {
 18023  			break
 18024  		}
 18025  		c := v_1.AuxInt
 18026  		if !(is32Bit(c)) {
 18027  			break
 18028  		}
 18029  		v.reset(OpS390XMULLDconst)
 18030  		v.AuxInt = c
 18031  		v.AddArg(x)
 18032  		return true
 18033  	}
 18034  	// match: (MULLD (MOVDconst [c]) x)
 18035  	// cond: is32Bit(c)
 18036  	// result: (MULLDconst [c] x)
 18037  	for {
 18038  		v_0 := v.Args[0]
 18039  		if v_0.Op != OpS390XMOVDconst {
 18040  			break
 18041  		}
 18042  		c := v_0.AuxInt
 18043  		x := v.Args[1]
 18044  		if !(is32Bit(c)) {
 18045  			break
 18046  		}
 18047  		v.reset(OpS390XMULLDconst)
 18048  		v.AuxInt = c
 18049  		v.AddArg(x)
 18050  		return true
 18051  	}
 18052  	// match: (MULLD <t> x g:(MOVDload [off] {sym} ptr mem))
 18053  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 18054  	// result: (MULLDload <t> [off] {sym} x ptr mem)
 18055  	for {
 18056  		t := v.Type
 18057  		x := v.Args[0]
 18058  		g := v.Args[1]
 18059  		if g.Op != OpS390XMOVDload {
 18060  			break
 18061  		}
 18062  		off := g.AuxInt
 18063  		sym := g.Aux
 18064  		ptr := g.Args[0]
 18065  		mem := g.Args[1]
 18066  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 18067  			break
 18068  		}
 18069  		v.reset(OpS390XMULLDload)
 18070  		v.Type = t
 18071  		v.AuxInt = off
 18072  		v.Aux = sym
 18073  		v.AddArg(x)
 18074  		v.AddArg(ptr)
 18075  		v.AddArg(mem)
 18076  		return true
 18077  	}
 18078  	// match: (MULLD <t> g:(MOVDload [off] {sym} ptr mem) x)
 18079  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 18080  	// result: (MULLDload <t> [off] {sym} x ptr mem)
 18081  	for {
 18082  		t := v.Type
 18083  		g := v.Args[0]
 18084  		if g.Op != OpS390XMOVDload {
 18085  			break
 18086  		}
 18087  		off := g.AuxInt
 18088  		sym := g.Aux
 18089  		ptr := g.Args[0]
 18090  		mem := g.Args[1]
 18091  		x := v.Args[1]
 18092  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 18093  			break
 18094  		}
 18095  		v.reset(OpS390XMULLDload)
 18096  		v.Type = t
 18097  		v.AuxInt = off
 18098  		v.Aux = sym
 18099  		v.AddArg(x)
 18100  		v.AddArg(ptr)
 18101  		v.AddArg(mem)
 18102  		return true
 18103  	}
 18104  	// match: (MULLD <t> g:(MOVDload [off] {sym} ptr mem) x)
 18105  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 18106  	// result: (MULLDload <t> [off] {sym} x ptr mem)
 18107  	for {
 18108  		t := v.Type
 18109  		g := v.Args[0]
 18110  		if g.Op != OpS390XMOVDload {
 18111  			break
 18112  		}
 18113  		off := g.AuxInt
 18114  		sym := g.Aux
 18115  		ptr := g.Args[0]
 18116  		mem := g.Args[1]
 18117  		x := v.Args[1]
 18118  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 18119  			break
 18120  		}
 18121  		v.reset(OpS390XMULLDload)
 18122  		v.Type = t
 18123  		v.AuxInt = off
 18124  		v.Aux = sym
 18125  		v.AddArg(x)
 18126  		v.AddArg(ptr)
 18127  		v.AddArg(mem)
 18128  		return true
 18129  	}
 18130  	// match: (MULLD <t> x g:(MOVDload [off] {sym} ptr mem))
 18131  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 18132  	// result: (MULLDload <t> [off] {sym} x ptr mem)
 18133  	for {
 18134  		t := v.Type
 18135  		x := v.Args[0]
 18136  		g := v.Args[1]
 18137  		if g.Op != OpS390XMOVDload {
 18138  			break
 18139  		}
 18140  		off := g.AuxInt
 18141  		sym := g.Aux
 18142  		ptr := g.Args[0]
 18143  		mem := g.Args[1]
 18144  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 18145  			break
 18146  		}
 18147  		v.reset(OpS390XMULLDload)
 18148  		v.Type = t
 18149  		v.AuxInt = off
 18150  		v.Aux = sym
 18151  		v.AddArg(x)
 18152  		v.AddArg(ptr)
 18153  		v.AddArg(mem)
 18154  		return true
 18155  	}
 18156  	return false
 18157  }
 18158  func rewriteValueS390X_OpS390XMULLDconst(v *Value) bool {
 18159  	b := v.Block
 18160  	_ = b
 18161  	// match: (MULLDconst [-1] x)
 18162  	// cond:
 18163  	// result: (NEG x)
 18164  	for {
 18165  		if v.AuxInt != -1 {
 18166  			break
 18167  		}
 18168  		x := v.Args[0]
 18169  		v.reset(OpS390XNEG)
 18170  		v.AddArg(x)
 18171  		return true
 18172  	}
 18173  	// match: (MULLDconst [0] _)
 18174  	// cond:
 18175  	// result: (MOVDconst [0])
 18176  	for {
 18177  		if v.AuxInt != 0 {
 18178  			break
 18179  		}
 18180  		v.reset(OpS390XMOVDconst)
 18181  		v.AuxInt = 0
 18182  		return true
 18183  	}
 18184  	// match: (MULLDconst [1] x)
 18185  	// cond:
 18186  	// result: x
 18187  	for {
 18188  		if v.AuxInt != 1 {
 18189  			break
 18190  		}
 18191  		x := v.Args[0]
 18192  		v.reset(OpCopy)
 18193  		v.Type = x.Type
 18194  		v.AddArg(x)
 18195  		return true
 18196  	}
 18197  	// match: (MULLDconst [c] x)
 18198  	// cond: isPowerOfTwo(c)
 18199  	// result: (SLDconst [log2(c)] x)
 18200  	for {
 18201  		c := v.AuxInt
 18202  		x := v.Args[0]
 18203  		if !(isPowerOfTwo(c)) {
 18204  			break
 18205  		}
 18206  		v.reset(OpS390XSLDconst)
 18207  		v.AuxInt = log2(c)
 18208  		v.AddArg(x)
 18209  		return true
 18210  	}
 18211  	// match: (MULLDconst [c] x)
 18212  	// cond: isPowerOfTwo(c+1) && c >= 15
 18213  	// result: (SUB (SLDconst <v.Type> [log2(c+1)] x) x)
 18214  	for {
 18215  		c := v.AuxInt
 18216  		x := v.Args[0]
 18217  		if !(isPowerOfTwo(c+1) && c >= 15) {
 18218  			break
 18219  		}
 18220  		v.reset(OpS390XSUB)
 18221  		v0 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 18222  		v0.AuxInt = log2(c + 1)
 18223  		v0.AddArg(x)
 18224  		v.AddArg(v0)
 18225  		v.AddArg(x)
 18226  		return true
 18227  	}
 18228  	// match: (MULLDconst [c] x)
 18229  	// cond: isPowerOfTwo(c-1) && c >= 17
 18230  	// result: (ADD (SLDconst <v.Type> [log2(c-1)] x) x)
 18231  	for {
 18232  		c := v.AuxInt
 18233  		x := v.Args[0]
 18234  		if !(isPowerOfTwo(c-1) && c >= 17) {
 18235  			break
 18236  		}
 18237  		v.reset(OpS390XADD)
 18238  		v0 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 18239  		v0.AuxInt = log2(c - 1)
 18240  		v0.AddArg(x)
 18241  		v.AddArg(v0)
 18242  		v.AddArg(x)
 18243  		return true
 18244  	}
 18245  	// match: (MULLDconst [c] (MOVDconst [d]))
 18246  	// cond:
 18247  	// result: (MOVDconst [c*d])
 18248  	for {
 18249  		c := v.AuxInt
 18250  		v_0 := v.Args[0]
 18251  		if v_0.Op != OpS390XMOVDconst {
 18252  			break
 18253  		}
 18254  		d := v_0.AuxInt
 18255  		v.reset(OpS390XMOVDconst)
 18256  		v.AuxInt = c * d
 18257  		return true
 18258  	}
 18259  	return false
 18260  }
 18261  func rewriteValueS390X_OpS390XMULLW(v *Value) bool {
 18262  	// match: (MULLW x (MOVDconst [c]))
 18263  	// cond:
 18264  	// result: (MULLWconst [c] x)
 18265  	for {
 18266  		x := v.Args[0]
 18267  		v_1 := v.Args[1]
 18268  		if v_1.Op != OpS390XMOVDconst {
 18269  			break
 18270  		}
 18271  		c := v_1.AuxInt
 18272  		v.reset(OpS390XMULLWconst)
 18273  		v.AuxInt = c
 18274  		v.AddArg(x)
 18275  		return true
 18276  	}
 18277  	// match: (MULLW (MOVDconst [c]) x)
 18278  	// cond:
 18279  	// result: (MULLWconst [c] x)
 18280  	for {
 18281  		v_0 := v.Args[0]
 18282  		if v_0.Op != OpS390XMOVDconst {
 18283  			break
 18284  		}
 18285  		c := v_0.AuxInt
 18286  		x := v.Args[1]
 18287  		v.reset(OpS390XMULLWconst)
 18288  		v.AuxInt = c
 18289  		v.AddArg(x)
 18290  		return true
 18291  	}
 18292  	// match: (MULLW <t> x g:(MOVWload [off] {sym} ptr mem))
 18293  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 18294  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 18295  	for {
 18296  		t := v.Type
 18297  		x := v.Args[0]
 18298  		g := v.Args[1]
 18299  		if g.Op != OpS390XMOVWload {
 18300  			break
 18301  		}
 18302  		off := g.AuxInt
 18303  		sym := g.Aux
 18304  		ptr := g.Args[0]
 18305  		mem := g.Args[1]
 18306  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 18307  			break
 18308  		}
 18309  		v.reset(OpS390XMULLWload)
 18310  		v.Type = t
 18311  		v.AuxInt = off
 18312  		v.Aux = sym
 18313  		v.AddArg(x)
 18314  		v.AddArg(ptr)
 18315  		v.AddArg(mem)
 18316  		return true
 18317  	}
 18318  	// match: (MULLW <t> g:(MOVWload [off] {sym} ptr mem) x)
 18319  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 18320  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 18321  	for {
 18322  		t := v.Type
 18323  		g := v.Args[0]
 18324  		if g.Op != OpS390XMOVWload {
 18325  			break
 18326  		}
 18327  		off := g.AuxInt
 18328  		sym := g.Aux
 18329  		ptr := g.Args[0]
 18330  		mem := g.Args[1]
 18331  		x := v.Args[1]
 18332  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 18333  			break
 18334  		}
 18335  		v.reset(OpS390XMULLWload)
 18336  		v.Type = t
 18337  		v.AuxInt = off
 18338  		v.Aux = sym
 18339  		v.AddArg(x)
 18340  		v.AddArg(ptr)
 18341  		v.AddArg(mem)
 18342  		return true
 18343  	}
 18344  	// match: (MULLW <t> g:(MOVWload [off] {sym} ptr mem) x)
 18345  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 18346  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 18347  	for {
 18348  		t := v.Type
 18349  		g := v.Args[0]
 18350  		if g.Op != OpS390XMOVWload {
 18351  			break
 18352  		}
 18353  		off := g.AuxInt
 18354  		sym := g.Aux
 18355  		ptr := g.Args[0]
 18356  		mem := g.Args[1]
 18357  		x := v.Args[1]
 18358  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 18359  			break
 18360  		}
 18361  		v.reset(OpS390XMULLWload)
 18362  		v.Type = t
 18363  		v.AuxInt = off
 18364  		v.Aux = sym
 18365  		v.AddArg(x)
 18366  		v.AddArg(ptr)
 18367  		v.AddArg(mem)
 18368  		return true
 18369  	}
 18370  	// match: (MULLW <t> x g:(MOVWload [off] {sym} ptr mem))
 18371  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 18372  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 18373  	for {
 18374  		t := v.Type
 18375  		x := v.Args[0]
 18376  		g := v.Args[1]
 18377  		if g.Op != OpS390XMOVWload {
 18378  			break
 18379  		}
 18380  		off := g.AuxInt
 18381  		sym := g.Aux
 18382  		ptr := g.Args[0]
 18383  		mem := g.Args[1]
 18384  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 18385  			break
 18386  		}
 18387  		v.reset(OpS390XMULLWload)
 18388  		v.Type = t
 18389  		v.AuxInt = off
 18390  		v.Aux = sym
 18391  		v.AddArg(x)
 18392  		v.AddArg(ptr)
 18393  		v.AddArg(mem)
 18394  		return true
 18395  	}
 18396  	// match: (MULLW <t> x g:(MOVWZload [off] {sym} ptr mem))
 18397  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 18398  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 18399  	for {
 18400  		t := v.Type
 18401  		x := v.Args[0]
 18402  		g := v.Args[1]
 18403  		if g.Op != OpS390XMOVWZload {
 18404  			break
 18405  		}
 18406  		off := g.AuxInt
 18407  		sym := g.Aux
 18408  		ptr := g.Args[0]
 18409  		mem := g.Args[1]
 18410  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 18411  			break
 18412  		}
 18413  		v.reset(OpS390XMULLWload)
 18414  		v.Type = t
 18415  		v.AuxInt = off
 18416  		v.Aux = sym
 18417  		v.AddArg(x)
 18418  		v.AddArg(ptr)
 18419  		v.AddArg(mem)
 18420  		return true
 18421  	}
 18422  	// match: (MULLW <t> g:(MOVWZload [off] {sym} ptr mem) x)
 18423  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 18424  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 18425  	for {
 18426  		t := v.Type
 18427  		g := v.Args[0]
 18428  		if g.Op != OpS390XMOVWZload {
 18429  			break
 18430  		}
 18431  		off := g.AuxInt
 18432  		sym := g.Aux
 18433  		ptr := g.Args[0]
 18434  		mem := g.Args[1]
 18435  		x := v.Args[1]
 18436  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 18437  			break
 18438  		}
 18439  		v.reset(OpS390XMULLWload)
 18440  		v.Type = t
 18441  		v.AuxInt = off
 18442  		v.Aux = sym
 18443  		v.AddArg(x)
 18444  		v.AddArg(ptr)
 18445  		v.AddArg(mem)
 18446  		return true
 18447  	}
 18448  	// match: (MULLW <t> g:(MOVWZload [off] {sym} ptr mem) x)
 18449  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 18450  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 18451  	for {
 18452  		t := v.Type
 18453  		g := v.Args[0]
 18454  		if g.Op != OpS390XMOVWZload {
 18455  			break
 18456  		}
 18457  		off := g.AuxInt
 18458  		sym := g.Aux
 18459  		ptr := g.Args[0]
 18460  		mem := g.Args[1]
 18461  		x := v.Args[1]
 18462  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 18463  			break
 18464  		}
 18465  		v.reset(OpS390XMULLWload)
 18466  		v.Type = t
 18467  		v.AuxInt = off
 18468  		v.Aux = sym
 18469  		v.AddArg(x)
 18470  		v.AddArg(ptr)
 18471  		v.AddArg(mem)
 18472  		return true
 18473  	}
 18474  	// match: (MULLW <t> x g:(MOVWZload [off] {sym} ptr mem))
 18475  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 18476  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 18477  	for {
 18478  		t := v.Type
 18479  		x := v.Args[0]
 18480  		g := v.Args[1]
 18481  		if g.Op != OpS390XMOVWZload {
 18482  			break
 18483  		}
 18484  		off := g.AuxInt
 18485  		sym := g.Aux
 18486  		ptr := g.Args[0]
 18487  		mem := g.Args[1]
 18488  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 18489  			break
 18490  		}
 18491  		v.reset(OpS390XMULLWload)
 18492  		v.Type = t
 18493  		v.AuxInt = off
 18494  		v.Aux = sym
 18495  		v.AddArg(x)
 18496  		v.AddArg(ptr)
 18497  		v.AddArg(mem)
 18498  		return true
 18499  	}
 18500  	return false
 18501  }
 18502  func rewriteValueS390X_OpS390XMULLWconst(v *Value) bool {
 18503  	b := v.Block
 18504  	_ = b
 18505  	// match: (MULLWconst [-1] x)
 18506  	// cond:
 18507  	// result: (NEGW x)
 18508  	for {
 18509  		if v.AuxInt != -1 {
 18510  			break
 18511  		}
 18512  		x := v.Args[0]
 18513  		v.reset(OpS390XNEGW)
 18514  		v.AddArg(x)
 18515  		return true
 18516  	}
 18517  	// match: (MULLWconst [0] _)
 18518  	// cond:
 18519  	// result: (MOVDconst [0])
 18520  	for {
 18521  		if v.AuxInt != 0 {
 18522  			break
 18523  		}
 18524  		v.reset(OpS390XMOVDconst)
 18525  		v.AuxInt = 0
 18526  		return true
 18527  	}
 18528  	// match: (MULLWconst [1] x)
 18529  	// cond:
 18530  	// result: x
 18531  	for {
 18532  		if v.AuxInt != 1 {
 18533  			break
 18534  		}
 18535  		x := v.Args[0]
 18536  		v.reset(OpCopy)
 18537  		v.Type = x.Type
 18538  		v.AddArg(x)
 18539  		return true
 18540  	}
 18541  	// match: (MULLWconst [c] x)
 18542  	// cond: isPowerOfTwo(c)
 18543  	// result: (SLWconst [log2(c)] x)
 18544  	for {
 18545  		c := v.AuxInt
 18546  		x := v.Args[0]
 18547  		if !(isPowerOfTwo(c)) {
 18548  			break
 18549  		}
 18550  		v.reset(OpS390XSLWconst)
 18551  		v.AuxInt = log2(c)
 18552  		v.AddArg(x)
 18553  		return true
 18554  	}
 18555  	// match: (MULLWconst [c] x)
 18556  	// cond: isPowerOfTwo(c+1) && c >= 15
 18557  	// result: (SUBW (SLWconst <v.Type> [log2(c+1)] x) x)
 18558  	for {
 18559  		c := v.AuxInt
 18560  		x := v.Args[0]
 18561  		if !(isPowerOfTwo(c+1) && c >= 15) {
 18562  			break
 18563  		}
 18564  		v.reset(OpS390XSUBW)
 18565  		v0 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 18566  		v0.AuxInt = log2(c + 1)
 18567  		v0.AddArg(x)
 18568  		v.AddArg(v0)
 18569  		v.AddArg(x)
 18570  		return true
 18571  	}
 18572  	// match: (MULLWconst [c] x)
 18573  	// cond: isPowerOfTwo(c-1) && c >= 17
 18574  	// result: (ADDW (SLWconst <v.Type> [log2(c-1)] x) x)
 18575  	for {
 18576  		c := v.AuxInt
 18577  		x := v.Args[0]
 18578  		if !(isPowerOfTwo(c-1) && c >= 17) {
 18579  			break
 18580  		}
 18581  		v.reset(OpS390XADDW)
 18582  		v0 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 18583  		v0.AuxInt = log2(c - 1)
 18584  		v0.AddArg(x)
 18585  		v.AddArg(v0)
 18586  		v.AddArg(x)
 18587  		return true
 18588  	}
 18589  	// match: (MULLWconst [c] (MOVDconst [d]))
 18590  	// cond:
 18591  	// result: (MOVDconst [int64(int32(c*d))])
 18592  	for {
 18593  		c := v.AuxInt
 18594  		v_0 := v.Args[0]
 18595  		if v_0.Op != OpS390XMOVDconst {
 18596  			break
 18597  		}
 18598  		d := v_0.AuxInt
 18599  		v.reset(OpS390XMOVDconst)
 18600  		v.AuxInt = int64(int32(c * d))
 18601  		return true
 18602  	}
 18603  	return false
 18604  }
 18605  func rewriteValueS390X_OpS390XNEG(v *Value) bool {
 18606  	// match: (NEG (MOVDconst [c]))
 18607  	// cond:
 18608  	// result: (MOVDconst [-c])
 18609  	for {
 18610  		v_0 := v.Args[0]
 18611  		if v_0.Op != OpS390XMOVDconst {
 18612  			break
 18613  		}
 18614  		c := v_0.AuxInt
 18615  		v.reset(OpS390XMOVDconst)
 18616  		v.AuxInt = -c
 18617  		return true
 18618  	}
 18619  	// match: (NEG (ADDconst [c] (NEG x)))
 18620  	// cond: c != -(1<<31)
 18621  	// result: (ADDconst [-c] x)
 18622  	for {
 18623  		v_0 := v.Args[0]
 18624  		if v_0.Op != OpS390XADDconst {
 18625  			break
 18626  		}
 18627  		c := v_0.AuxInt
 18628  		v_0_0 := v_0.Args[0]
 18629  		if v_0_0.Op != OpS390XNEG {
 18630  			break
 18631  		}
 18632  		x := v_0_0.Args[0]
 18633  		if !(c != -(1 << 31)) {
 18634  			break
 18635  		}
 18636  		v.reset(OpS390XADDconst)
 18637  		v.AuxInt = -c
 18638  		v.AddArg(x)
 18639  		return true
 18640  	}
 18641  	return false
 18642  }
 18643  func rewriteValueS390X_OpS390XNEGW(v *Value) bool {
 18644  	// match: (NEGW (MOVDconst [c]))
 18645  	// cond:
 18646  	// result: (MOVDconst [int64(int32(-c))])
 18647  	for {
 18648  		v_0 := v.Args[0]
 18649  		if v_0.Op != OpS390XMOVDconst {
 18650  			break
 18651  		}
 18652  		c := v_0.AuxInt
 18653  		v.reset(OpS390XMOVDconst)
 18654  		v.AuxInt = int64(int32(-c))
 18655  		return true
 18656  	}
 18657  	return false
 18658  }
 18659  func rewriteValueS390X_OpS390XNOT(v *Value) bool {
 18660  	b := v.Block
 18661  	_ = b
 18662  	types := &b.Func.Config.Types
 18663  	_ = types
 18664  	// match: (NOT x)
 18665  	// cond: true
 18666  	// result: (XOR (MOVDconst [-1]) x)
 18667  	for {
 18668  		x := v.Args[0]
 18669  		if !(true) {
 18670  			break
 18671  		}
 18672  		v.reset(OpS390XXOR)
 18673  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, types.UInt64)
 18674  		v0.AuxInt = -1
 18675  		v.AddArg(v0)
 18676  		v.AddArg(x)
 18677  		return true
 18678  	}
 18679  	return false
 18680  }
 18681  func rewriteValueS390X_OpS390XNOTW(v *Value) bool {
 18682  	// match: (NOTW x)
 18683  	// cond: true
 18684  	// result: (XORWconst [-1] x)
 18685  	for {
 18686  		x := v.Args[0]
 18687  		if !(true) {
 18688  			break
 18689  		}
 18690  		v.reset(OpS390XXORWconst)
 18691  		v.AuxInt = -1
 18692  		v.AddArg(x)
 18693  		return true
 18694  	}
 18695  	return false
 18696  }
 18697  func rewriteValueS390X_OpS390XOR(v *Value) bool {
 18698  	b := v.Block
 18699  	_ = b
 18700  	types := &b.Func.Config.Types
 18701  	_ = types
 18702  	// match: (OR x (MOVDconst [c]))
 18703  	// cond: isU32Bit(c)
 18704  	// result: (ORconst [c] x)
 18705  	for {
 18706  		x := v.Args[0]
 18707  		v_1 := v.Args[1]
 18708  		if v_1.Op != OpS390XMOVDconst {
 18709  			break
 18710  		}
 18711  		c := v_1.AuxInt
 18712  		if !(isU32Bit(c)) {
 18713  			break
 18714  		}
 18715  		v.reset(OpS390XORconst)
 18716  		v.AuxInt = c
 18717  		v.AddArg(x)
 18718  		return true
 18719  	}
 18720  	// match: (OR (MOVDconst [c]) x)
 18721  	// cond: isU32Bit(c)
 18722  	// result: (ORconst [c] x)
 18723  	for {
 18724  		v_0 := v.Args[0]
 18725  		if v_0.Op != OpS390XMOVDconst {
 18726  			break
 18727  		}
 18728  		c := v_0.AuxInt
 18729  		x := v.Args[1]
 18730  		if !(isU32Bit(c)) {
 18731  			break
 18732  		}
 18733  		v.reset(OpS390XORconst)
 18734  		v.AuxInt = c
 18735  		v.AddArg(x)
 18736  		return true
 18737  	}
 18738  	// match: (OR (SLDconst x [c]) (SRDconst x [d]))
 18739  	// cond: d == 64-c
 18740  	// result: (RLLGconst [c] x)
 18741  	for {
 18742  		v_0 := v.Args[0]
 18743  		if v_0.Op != OpS390XSLDconst {
 18744  			break
 18745  		}
 18746  		c := v_0.AuxInt
 18747  		x := v_0.Args[0]
 18748  		v_1 := v.Args[1]
 18749  		if v_1.Op != OpS390XSRDconst {
 18750  			break
 18751  		}
 18752  		d := v_1.AuxInt
 18753  		if x != v_1.Args[0] {
 18754  			break
 18755  		}
 18756  		if !(d == 64-c) {
 18757  			break
 18758  		}
 18759  		v.reset(OpS390XRLLGconst)
 18760  		v.AuxInt = c
 18761  		v.AddArg(x)
 18762  		return true
 18763  	}
 18764  	// match: (OR (SRDconst x [d]) (SLDconst x [c]))
 18765  	// cond: d == 64-c
 18766  	// result: (RLLGconst [c] x)
 18767  	for {
 18768  		v_0 := v.Args[0]
 18769  		if v_0.Op != OpS390XSRDconst {
 18770  			break
 18771  		}
 18772  		d := v_0.AuxInt
 18773  		x := v_0.Args[0]
 18774  		v_1 := v.Args[1]
 18775  		if v_1.Op != OpS390XSLDconst {
 18776  			break
 18777  		}
 18778  		c := v_1.AuxInt
 18779  		if x != v_1.Args[0] {
 18780  			break
 18781  		}
 18782  		if !(d == 64-c) {
 18783  			break
 18784  		}
 18785  		v.reset(OpS390XRLLGconst)
 18786  		v.AuxInt = c
 18787  		v.AddArg(x)
 18788  		return true
 18789  	}
 18790  	// match: (OR (MOVDconst [c]) (MOVDconst [d]))
 18791  	// cond:
 18792  	// result: (MOVDconst [c|d])
 18793  	for {
 18794  		v_0 := v.Args[0]
 18795  		if v_0.Op != OpS390XMOVDconst {
 18796  			break
 18797  		}
 18798  		c := v_0.AuxInt
 18799  		v_1 := v.Args[1]
 18800  		if v_1.Op != OpS390XMOVDconst {
 18801  			break
 18802  		}
 18803  		d := v_1.AuxInt
 18804  		v.reset(OpS390XMOVDconst)
 18805  		v.AuxInt = c | d
 18806  		return true
 18807  	}
 18808  	// match: (OR (MOVDconst [d]) (MOVDconst [c]))
 18809  	// cond:
 18810  	// result: (MOVDconst [c|d])
 18811  	for {
 18812  		v_0 := v.Args[0]
 18813  		if v_0.Op != OpS390XMOVDconst {
 18814  			break
 18815  		}
 18816  		d := v_0.AuxInt
 18817  		v_1 := v.Args[1]
 18818  		if v_1.Op != OpS390XMOVDconst {
 18819  			break
 18820  		}
 18821  		c := v_1.AuxInt
 18822  		v.reset(OpS390XMOVDconst)
 18823  		v.AuxInt = c | d
 18824  		return true
 18825  	}
 18826  	// match: (OR x x)
 18827  	// cond:
 18828  	// result: x
 18829  	for {
 18830  		x := v.Args[0]
 18831  		if x != v.Args[1] {
 18832  			break
 18833  		}
 18834  		v.reset(OpCopy)
 18835  		v.Type = x.Type
 18836  		v.AddArg(x)
 18837  		return true
 18838  	}
 18839  	// match: (OR <t> x g:(MOVDload [off] {sym} ptr mem))
 18840  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 18841  	// result: (ORload <t> [off] {sym} x ptr mem)
 18842  	for {
 18843  		t := v.Type
 18844  		x := v.Args[0]
 18845  		g := v.Args[1]
 18846  		if g.Op != OpS390XMOVDload {
 18847  			break
 18848  		}
 18849  		off := g.AuxInt
 18850  		sym := g.Aux
 18851  		ptr := g.Args[0]
 18852  		mem := g.Args[1]
 18853  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 18854  			break
 18855  		}
 18856  		v.reset(OpS390XORload)
 18857  		v.Type = t
 18858  		v.AuxInt = off
 18859  		v.Aux = sym
 18860  		v.AddArg(x)
 18861  		v.AddArg(ptr)
 18862  		v.AddArg(mem)
 18863  		return true
 18864  	}
 18865  	// match: (OR <t> g:(MOVDload [off] {sym} ptr mem) x)
 18866  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 18867  	// result: (ORload <t> [off] {sym} x ptr mem)
 18868  	for {
 18869  		t := v.Type
 18870  		g := v.Args[0]
 18871  		if g.Op != OpS390XMOVDload {
 18872  			break
 18873  		}
 18874  		off := g.AuxInt
 18875  		sym := g.Aux
 18876  		ptr := g.Args[0]
 18877  		mem := g.Args[1]
 18878  		x := v.Args[1]
 18879  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 18880  			break
 18881  		}
 18882  		v.reset(OpS390XORload)
 18883  		v.Type = t
 18884  		v.AuxInt = off
 18885  		v.Aux = sym
 18886  		v.AddArg(x)
 18887  		v.AddArg(ptr)
 18888  		v.AddArg(mem)
 18889  		return true
 18890  	}
 18891  	// match: (OR <t> g:(MOVDload [off] {sym} ptr mem) x)
 18892  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 18893  	// result: (ORload <t> [off] {sym} x ptr mem)
 18894  	for {
 18895  		t := v.Type
 18896  		g := v.Args[0]
 18897  		if g.Op != OpS390XMOVDload {
 18898  			break
 18899  		}
 18900  		off := g.AuxInt
 18901  		sym := g.Aux
 18902  		ptr := g.Args[0]
 18903  		mem := g.Args[1]
 18904  		x := v.Args[1]
 18905  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 18906  			break
 18907  		}
 18908  		v.reset(OpS390XORload)
 18909  		v.Type = t
 18910  		v.AuxInt = off
 18911  		v.Aux = sym
 18912  		v.AddArg(x)
 18913  		v.AddArg(ptr)
 18914  		v.AddArg(mem)
 18915  		return true
 18916  	}
 18917  	// match: (OR <t> x g:(MOVDload [off] {sym} ptr mem))
 18918  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 18919  	// result: (ORload <t> [off] {sym} x ptr mem)
 18920  	for {
 18921  		t := v.Type
 18922  		x := v.Args[0]
 18923  		g := v.Args[1]
 18924  		if g.Op != OpS390XMOVDload {
 18925  			break
 18926  		}
 18927  		off := g.AuxInt
 18928  		sym := g.Aux
 18929  		ptr := g.Args[0]
 18930  		mem := g.Args[1]
 18931  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 18932  			break
 18933  		}
 18934  		v.reset(OpS390XORload)
 18935  		v.Type = t
 18936  		v.AuxInt = off
 18937  		v.Aux = sym
 18938  		v.AddArg(x)
 18939  		v.AddArg(ptr)
 18940  		v.AddArg(mem)
 18941  		return true
 18942  	}
 18943  	// match: (OR x1:(MOVBZload [i1] {s} p mem) sh:(SLDconst [8] x0:(MOVBZload [i0] {s} p mem)))
 18944  	// cond: i1 == i0+1   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 18945  	// result: @mergePoint(b,x0,x1) (MOVHZload [i0] {s} p mem)
 18946  	for {
 18947  		x1 := v.Args[0]
 18948  		if x1.Op != OpS390XMOVBZload {
 18949  			break
 18950  		}
 18951  		i1 := x1.AuxInt
 18952  		s := x1.Aux
 18953  		p := x1.Args[0]
 18954  		mem := x1.Args[1]
 18955  		sh := v.Args[1]
 18956  		if sh.Op != OpS390XSLDconst {
 18957  			break
 18958  		}
 18959  		if sh.AuxInt != 8 {
 18960  			break
 18961  		}
 18962  		x0 := sh.Args[0]
 18963  		if x0.Op != OpS390XMOVBZload {
 18964  			break
 18965  		}
 18966  		i0 := x0.AuxInt
 18967  		if x0.Aux != s {
 18968  			break
 18969  		}
 18970  		if p != x0.Args[0] {
 18971  			break
 18972  		}
 18973  		if mem != x0.Args[1] {
 18974  			break
 18975  		}
 18976  		if !(i1 == i0+1 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 18977  			break
 18978  		}
 18979  		b = mergePoint(b, x0, x1)
 18980  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZload, types.UInt16)
 18981  		v.reset(OpCopy)
 18982  		v.AddArg(v0)
 18983  		v0.AuxInt = i0
 18984  		v0.Aux = s
 18985  		v0.AddArg(p)
 18986  		v0.AddArg(mem)
 18987  		return true
 18988  	}
 18989  	// match: (OR sh:(SLDconst [8] x0:(MOVBZload [i0] {s} p mem)) x1:(MOVBZload [i1] {s} p mem))
 18990  	// cond: i1 == i0+1   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 18991  	// result: @mergePoint(b,x0,x1) (MOVHZload [i0] {s} p mem)
 18992  	for {
 18993  		sh := v.Args[0]
 18994  		if sh.Op != OpS390XSLDconst {
 18995  			break
 18996  		}
 18997  		if sh.AuxInt != 8 {
 18998  			break
 18999  		}
 19000  		x0 := sh.Args[0]
 19001  		if x0.Op != OpS390XMOVBZload {
 19002  			break
 19003  		}
 19004  		i0 := x0.AuxInt
 19005  		s := x0.Aux
 19006  		p := x0.Args[0]
 19007  		mem := x0.Args[1]
 19008  		x1 := v.Args[1]
 19009  		if x1.Op != OpS390XMOVBZload {
 19010  			break
 19011  		}
 19012  		i1 := x1.AuxInt
 19013  		if x1.Aux != s {
 19014  			break
 19015  		}
 19016  		if p != x1.Args[0] {
 19017  			break
 19018  		}
 19019  		if mem != x1.Args[1] {
 19020  			break
 19021  		}
 19022  		if !(i1 == i0+1 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 19023  			break
 19024  		}
 19025  		b = mergePoint(b, x0, x1)
 19026  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZload, types.UInt16)
 19027  		v.reset(OpCopy)
 19028  		v.AddArg(v0)
 19029  		v0.AuxInt = i0
 19030  		v0.Aux = s
 19031  		v0.AddArg(p)
 19032  		v0.AddArg(mem)
 19033  		return true
 19034  	}
 19035  	// match: (OR x1:(MOVHZload [i1] {s} p mem) sh:(SLDconst [16] x0:(MOVHZload [i0] {s} p mem)))
 19036  	// cond: i1 == i0+2   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 19037  	// result: @mergePoint(b,x0,x1) (MOVWZload [i0] {s} p mem)
 19038  	for {
 19039  		x1 := v.Args[0]
 19040  		if x1.Op != OpS390XMOVHZload {
 19041  			break
 19042  		}
 19043  		i1 := x1.AuxInt
 19044  		s := x1.Aux
 19045  		p := x1.Args[0]
 19046  		mem := x1.Args[1]
 19047  		sh := v.Args[1]
 19048  		if sh.Op != OpS390XSLDconst {
 19049  			break
 19050  		}
 19051  		if sh.AuxInt != 16 {
 19052  			break
 19053  		}
 19054  		x0 := sh.Args[0]
 19055  		if x0.Op != OpS390XMOVHZload {
 19056  			break
 19057  		}
 19058  		i0 := x0.AuxInt
 19059  		if x0.Aux != s {
 19060  			break
 19061  		}
 19062  		if p != x0.Args[0] {
 19063  			break
 19064  		}
 19065  		if mem != x0.Args[1] {
 19066  			break
 19067  		}
 19068  		if !(i1 == i0+2 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 19069  			break
 19070  		}
 19071  		b = mergePoint(b, x0, x1)
 19072  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZload, types.UInt32)
 19073  		v.reset(OpCopy)
 19074  		v.AddArg(v0)
 19075  		v0.AuxInt = i0
 19076  		v0.Aux = s
 19077  		v0.AddArg(p)
 19078  		v0.AddArg(mem)
 19079  		return true
 19080  	}
 19081  	// match: (OR sh:(SLDconst [16] x0:(MOVHZload [i0] {s} p mem)) x1:(MOVHZload [i1] {s} p mem))
 19082  	// cond: i1 == i0+2   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 19083  	// result: @mergePoint(b,x0,x1) (MOVWZload [i0] {s} p mem)
 19084  	for {
 19085  		sh := v.Args[0]
 19086  		if sh.Op != OpS390XSLDconst {
 19087  			break
 19088  		}
 19089  		if sh.AuxInt != 16 {
 19090  			break
 19091  		}
 19092  		x0 := sh.Args[0]
 19093  		if x0.Op != OpS390XMOVHZload {
 19094  			break
 19095  		}
 19096  		i0 := x0.AuxInt
 19097  		s := x0.Aux
 19098  		p := x0.Args[0]
 19099  		mem := x0.Args[1]
 19100  		x1 := v.Args[1]
 19101  		if x1.Op != OpS390XMOVHZload {
 19102  			break
 19103  		}
 19104  		i1 := x1.AuxInt
 19105  		if x1.Aux != s {
 19106  			break
 19107  		}
 19108  		if p != x1.Args[0] {
 19109  			break
 19110  		}
 19111  		if mem != x1.Args[1] {
 19112  			break
 19113  		}
 19114  		if !(i1 == i0+2 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 19115  			break
 19116  		}
 19117  		b = mergePoint(b, x0, x1)
 19118  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZload, types.UInt32)
 19119  		v.reset(OpCopy)
 19120  		v.AddArg(v0)
 19121  		v0.AuxInt = i0
 19122  		v0.Aux = s
 19123  		v0.AddArg(p)
 19124  		v0.AddArg(mem)
 19125  		return true
 19126  	}
 19127  	// match: (OR x1:(MOVWZload [i1] {s} p mem) sh:(SLDconst [32] x0:(MOVWZload [i0] {s} p mem)))
 19128  	// cond: i1 == i0+4   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 19129  	// result: @mergePoint(b,x0,x1) (MOVDload [i0] {s} p mem)
 19130  	for {
 19131  		x1 := v.Args[0]
 19132  		if x1.Op != OpS390XMOVWZload {
 19133  			break
 19134  		}
 19135  		i1 := x1.AuxInt
 19136  		s := x1.Aux
 19137  		p := x1.Args[0]
 19138  		mem := x1.Args[1]
 19139  		sh := v.Args[1]
 19140  		if sh.Op != OpS390XSLDconst {
 19141  			break
 19142  		}
 19143  		if sh.AuxInt != 32 {
 19144  			break
 19145  		}
 19146  		x0 := sh.Args[0]
 19147  		if x0.Op != OpS390XMOVWZload {
 19148  			break
 19149  		}
 19150  		i0 := x0.AuxInt
 19151  		if x0.Aux != s {
 19152  			break
 19153  		}
 19154  		if p != x0.Args[0] {
 19155  			break
 19156  		}
 19157  		if mem != x0.Args[1] {
 19158  			break
 19159  		}
 19160  		if !(i1 == i0+4 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 19161  			break
 19162  		}
 19163  		b = mergePoint(b, x0, x1)
 19164  		v0 := b.NewValue0(v.Pos, OpS390XMOVDload, types.UInt64)
 19165  		v.reset(OpCopy)
 19166  		v.AddArg(v0)
 19167  		v0.AuxInt = i0
 19168  		v0.Aux = s
 19169  		v0.AddArg(p)
 19170  		v0.AddArg(mem)
 19171  		return true
 19172  	}
 19173  	// match: (OR sh:(SLDconst [32] x0:(MOVWZload [i0] {s} p mem)) x1:(MOVWZload [i1] {s} p mem))
 19174  	// cond: i1 == i0+4   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 19175  	// result: @mergePoint(b,x0,x1) (MOVDload [i0] {s} p mem)
 19176  	for {
 19177  		sh := v.Args[0]
 19178  		if sh.Op != OpS390XSLDconst {
 19179  			break
 19180  		}
 19181  		if sh.AuxInt != 32 {
 19182  			break
 19183  		}
 19184  		x0 := sh.Args[0]
 19185  		if x0.Op != OpS390XMOVWZload {
 19186  			break
 19187  		}
 19188  		i0 := x0.AuxInt
 19189  		s := x0.Aux
 19190  		p := x0.Args[0]
 19191  		mem := x0.Args[1]
 19192  		x1 := v.Args[1]
 19193  		if x1.Op != OpS390XMOVWZload {
 19194  			break
 19195  		}
 19196  		i1 := x1.AuxInt
 19197  		if x1.Aux != s {
 19198  			break
 19199  		}
 19200  		if p != x1.Args[0] {
 19201  			break
 19202  		}
 19203  		if mem != x1.Args[1] {
 19204  			break
 19205  		}
 19206  		if !(i1 == i0+4 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 19207  			break
 19208  		}
 19209  		b = mergePoint(b, x0, x1)
 19210  		v0 := b.NewValue0(v.Pos, OpS390XMOVDload, types.UInt64)
 19211  		v.reset(OpCopy)
 19212  		v.AddArg(v0)
 19213  		v0.AuxInt = i0
 19214  		v0.Aux = s
 19215  		v0.AddArg(p)
 19216  		v0.AddArg(mem)
 19217  		return true
 19218  	}
 19219  	// match: (OR s0:(SLDconst [j0] x0:(MOVBZload [i0] {s} p mem)) or:(OR s1:(SLDconst [j1] x1:(MOVBZload [i1] {s} p mem)) y))
 19220  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 19221  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
 19222  	for {
 19223  		s0 := v.Args[0]
 19224  		if s0.Op != OpS390XSLDconst {
 19225  			break
 19226  		}
 19227  		j0 := s0.AuxInt
 19228  		x0 := s0.Args[0]
 19229  		if x0.Op != OpS390XMOVBZload {
 19230  			break
 19231  		}
 19232  		i0 := x0.AuxInt
 19233  		s := x0.Aux
 19234  		p := x0.Args[0]
 19235  		mem := x0.Args[1]
 19236  		or := v.Args[1]
 19237  		if or.Op != OpS390XOR {
 19238  			break
 19239  		}
 19240  		s1 := or.Args[0]
 19241  		if s1.Op != OpS390XSLDconst {
 19242  			break
 19243  		}
 19244  		j1 := s1.AuxInt
 19245  		x1 := s1.Args[0]
 19246  		if x1.Op != OpS390XMOVBZload {
 19247  			break
 19248  		}
 19249  		i1 := x1.AuxInt
 19250  		if x1.Aux != s {
 19251  			break
 19252  		}
 19253  		if p != x1.Args[0] {
 19254  			break
 19255  		}
 19256  		if mem != x1.Args[1] {
 19257  			break
 19258  		}
 19259  		y := or.Args[1]
 19260  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 19261  			break
 19262  		}
 19263  		b = mergePoint(b, x0, x1)
 19264  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 19265  		v.reset(OpCopy)
 19266  		v.AddArg(v0)
 19267  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 19268  		v1.AuxInt = j1
 19269  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZload, types.UInt16)
 19270  		v2.AuxInt = i0
 19271  		v2.Aux = s
 19272  		v2.AddArg(p)
 19273  		v2.AddArg(mem)
 19274  		v1.AddArg(v2)
 19275  		v0.AddArg(v1)
 19276  		v0.AddArg(y)
 19277  		return true
 19278  	}
 19279  	// match: (OR s0:(SLDconst [j0] x0:(MOVBZload [i0] {s} p mem)) or:(OR y s1:(SLDconst [j1] x1:(MOVBZload [i1] {s} p mem))))
 19280  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 19281  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
 19282  	for {
 19283  		s0 := v.Args[0]
 19284  		if s0.Op != OpS390XSLDconst {
 19285  			break
 19286  		}
 19287  		j0 := s0.AuxInt
 19288  		x0 := s0.Args[0]
 19289  		if x0.Op != OpS390XMOVBZload {
 19290  			break
 19291  		}
 19292  		i0 := x0.AuxInt
 19293  		s := x0.Aux
 19294  		p := x0.Args[0]
 19295  		mem := x0.Args[1]
 19296  		or := v.Args[1]
 19297  		if or.Op != OpS390XOR {
 19298  			break
 19299  		}
 19300  		y := or.Args[0]
 19301  		s1 := or.Args[1]
 19302  		if s1.Op != OpS390XSLDconst {
 19303  			break
 19304  		}
 19305  		j1 := s1.AuxInt
 19306  		x1 := s1.Args[0]
 19307  		if x1.Op != OpS390XMOVBZload {
 19308  			break
 19309  		}
 19310  		i1 := x1.AuxInt
 19311  		if x1.Aux != s {
 19312  			break
 19313  		}
 19314  		if p != x1.Args[0] {
 19315  			break
 19316  		}
 19317  		if mem != x1.Args[1] {
 19318  			break
 19319  		}
 19320  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 19321  			break
 19322  		}
 19323  		b = mergePoint(b, x0, x1)
 19324  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 19325  		v.reset(OpCopy)
 19326  		v.AddArg(v0)
 19327  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 19328  		v1.AuxInt = j1
 19329  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZload, types.UInt16)
 19330  		v2.AuxInt = i0
 19331  		v2.Aux = s
 19332  		v2.AddArg(p)
 19333  		v2.AddArg(mem)
 19334  		v1.AddArg(v2)
 19335  		v0.AddArg(v1)
 19336  		v0.AddArg(y)
 19337  		return true
 19338  	}
 19339  	// match: (OR or:(OR s1:(SLDconst [j1] x1:(MOVBZload [i1] {s} p mem)) y) s0:(SLDconst [j0] x0:(MOVBZload [i0] {s} p mem)))
 19340  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 19341  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
 19342  	for {
 19343  		or := v.Args[0]
 19344  		if or.Op != OpS390XOR {
 19345  			break
 19346  		}
 19347  		s1 := or.Args[0]
 19348  		if s1.Op != OpS390XSLDconst {
 19349  			break
 19350  		}
 19351  		j1 := s1.AuxInt
 19352  		x1 := s1.Args[0]
 19353  		if x1.Op != OpS390XMOVBZload {
 19354  			break
 19355  		}
 19356  		i1 := x1.AuxInt
 19357  		s := x1.Aux
 19358  		p := x1.Args[0]
 19359  		mem := x1.Args[1]
 19360  		y := or.Args[1]
 19361  		s0 := v.Args[1]
 19362  		if s0.Op != OpS390XSLDconst {
 19363  			break
 19364  		}
 19365  		j0 := s0.AuxInt
 19366  		x0 := s0.Args[0]
 19367  		if x0.Op != OpS390XMOVBZload {
 19368  			break
 19369  		}
 19370  		i0 := x0.AuxInt
 19371  		if x0.Aux != s {
 19372  			break
 19373  		}
 19374  		if p != x0.Args[0] {
 19375  			break
 19376  		}
 19377  		if mem != x0.Args[1] {
 19378  			break
 19379  		}
 19380  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 19381  			break
 19382  		}
 19383  		b = mergePoint(b, x0, x1)
 19384  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 19385  		v.reset(OpCopy)
 19386  		v.AddArg(v0)
 19387  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 19388  		v1.AuxInt = j1
 19389  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZload, types.UInt16)
 19390  		v2.AuxInt = i0
 19391  		v2.Aux = s
 19392  		v2.AddArg(p)
 19393  		v2.AddArg(mem)
 19394  		v1.AddArg(v2)
 19395  		v0.AddArg(v1)
 19396  		v0.AddArg(y)
 19397  		return true
 19398  	}
 19399  	// match: (OR or:(OR y s1:(SLDconst [j1] x1:(MOVBZload [i1] {s} p mem))) s0:(SLDconst [j0] x0:(MOVBZload [i0] {s} p mem)))
 19400  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 19401  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
 19402  	for {
 19403  		or := v.Args[0]
 19404  		if or.Op != OpS390XOR {
 19405  			break
 19406  		}
 19407  		y := or.Args[0]
 19408  		s1 := or.Args[1]
 19409  		if s1.Op != OpS390XSLDconst {
 19410  			break
 19411  		}
 19412  		j1 := s1.AuxInt
 19413  		x1 := s1.Args[0]
 19414  		if x1.Op != OpS390XMOVBZload {
 19415  			break
 19416  		}
 19417  		i1 := x1.AuxInt
 19418  		s := x1.Aux
 19419  		p := x1.Args[0]
 19420  		mem := x1.Args[1]
 19421  		s0 := v.Args[1]
 19422  		if s0.Op != OpS390XSLDconst {
 19423  			break
 19424  		}
 19425  		j0 := s0.AuxInt
 19426  		x0 := s0.Args[0]
 19427  		if x0.Op != OpS390XMOVBZload {
 19428  			break
 19429  		}
 19430  		i0 := x0.AuxInt
 19431  		if x0.Aux != s {
 19432  			break
 19433  		}
 19434  		if p != x0.Args[0] {
 19435  			break
 19436  		}
 19437  		if mem != x0.Args[1] {
 19438  			break
 19439  		}
 19440  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 19441  			break
 19442  		}
 19443  		b = mergePoint(b, x0, x1)
 19444  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 19445  		v.reset(OpCopy)
 19446  		v.AddArg(v0)
 19447  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 19448  		v1.AuxInt = j1
 19449  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZload, types.UInt16)
 19450  		v2.AuxInt = i0
 19451  		v2.Aux = s
 19452  		v2.AddArg(p)
 19453  		v2.AddArg(mem)
 19454  		v1.AddArg(v2)
 19455  		v0.AddArg(v1)
 19456  		v0.AddArg(y)
 19457  		return true
 19458  	}
 19459  	// match: (OR s0:(SLDconst [j0] x0:(MOVHZload [i0] {s} p mem)) or:(OR s1:(SLDconst [j1] x1:(MOVHZload [i1] {s} p mem)) y))
 19460  	// cond: i1 == i0+2   && j1 == j0-16   && j1 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 19461  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZload [i0] {s} p mem)) y)
 19462  	for {
 19463  		s0 := v.Args[0]
 19464  		if s0.Op != OpS390XSLDconst {
 19465  			break
 19466  		}
 19467  		j0 := s0.AuxInt
 19468  		x0 := s0.Args[0]
 19469  		if x0.Op != OpS390XMOVHZload {
 19470  			break
 19471  		}
 19472  		i0 := x0.AuxInt
 19473  		s := x0.Aux
 19474  		p := x0.Args[0]
 19475  		mem := x0.Args[1]
 19476  		or := v.Args[1]
 19477  		if or.Op != OpS390XOR {
 19478  			break
 19479  		}
 19480  		s1 := or.Args[0]
 19481  		if s1.Op != OpS390XSLDconst {
 19482  			break
 19483  		}
 19484  		j1 := s1.AuxInt
 19485  		x1 := s1.Args[0]
 19486  		if x1.Op != OpS390XMOVHZload {
 19487  			break
 19488  		}
 19489  		i1 := x1.AuxInt
 19490  		if x1.Aux != s {
 19491  			break
 19492  		}
 19493  		if p != x1.Args[0] {
 19494  			break
 19495  		}
 19496  		if mem != x1.Args[1] {
 19497  			break
 19498  		}
 19499  		y := or.Args[1]
 19500  		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 19501  			break
 19502  		}
 19503  		b = mergePoint(b, x0, x1)
 19504  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 19505  		v.reset(OpCopy)
 19506  		v.AddArg(v0)
 19507  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 19508  		v1.AuxInt = j1
 19509  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZload, types.UInt32)
 19510  		v2.AuxInt = i0
 19511  		v2.Aux = s
 19512  		v2.AddArg(p)
 19513  		v2.AddArg(mem)
 19514  		v1.AddArg(v2)
 19515  		v0.AddArg(v1)
 19516  		v0.AddArg(y)
 19517  		return true
 19518  	}
 19519  	// match: (OR s0:(SLDconst [j0] x0:(MOVHZload [i0] {s} p mem)) or:(OR y s1:(SLDconst [j1] x1:(MOVHZload [i1] {s} p mem))))
 19520  	// cond: i1 == i0+2   && j1 == j0-16   && j1 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 19521  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZload [i0] {s} p mem)) y)
 19522  	for {
 19523  		s0 := v.Args[0]
 19524  		if s0.Op != OpS390XSLDconst {
 19525  			break
 19526  		}
 19527  		j0 := s0.AuxInt
 19528  		x0 := s0.Args[0]
 19529  		if x0.Op != OpS390XMOVHZload {
 19530  			break
 19531  		}
 19532  		i0 := x0.AuxInt
 19533  		s := x0.Aux
 19534  		p := x0.Args[0]
 19535  		mem := x0.Args[1]
 19536  		or := v.Args[1]
 19537  		if or.Op != OpS390XOR {
 19538  			break
 19539  		}
 19540  		y := or.Args[0]
 19541  		s1 := or.Args[1]
 19542  		if s1.Op != OpS390XSLDconst {
 19543  			break
 19544  		}
 19545  		j1 := s1.AuxInt
 19546  		x1 := s1.Args[0]
 19547  		if x1.Op != OpS390XMOVHZload {
 19548  			break
 19549  		}
 19550  		i1 := x1.AuxInt
 19551  		if x1.Aux != s {
 19552  			break
 19553  		}
 19554  		if p != x1.Args[0] {
 19555  			break
 19556  		}
 19557  		if mem != x1.Args[1] {
 19558  			break
 19559  		}
 19560  		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 19561  			break
 19562  		}
 19563  		b = mergePoint(b, x0, x1)
 19564  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 19565  		v.reset(OpCopy)
 19566  		v.AddArg(v0)
 19567  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 19568  		v1.AuxInt = j1
 19569  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZload, types.UInt32)
 19570  		v2.AuxInt = i0
 19571  		v2.Aux = s
 19572  		v2.AddArg(p)
 19573  		v2.AddArg(mem)
 19574  		v1.AddArg(v2)
 19575  		v0.AddArg(v1)
 19576  		v0.AddArg(y)
 19577  		return true
 19578  	}
 19579  	// match: (OR or:(OR s1:(SLDconst [j1] x1:(MOVHZload [i1] {s} p mem)) y) s0:(SLDconst [j0] x0:(MOVHZload [i0] {s} p mem)))
 19580  	// cond: i1 == i0+2   && j1 == j0-16   && j1 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 19581  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZload [i0] {s} p mem)) y)
 19582  	for {
 19583  		or := v.Args[0]
 19584  		if or.Op != OpS390XOR {
 19585  			break
 19586  		}
 19587  		s1 := or.Args[0]
 19588  		if s1.Op != OpS390XSLDconst {
 19589  			break
 19590  		}
 19591  		j1 := s1.AuxInt
 19592  		x1 := s1.Args[0]
 19593  		if x1.Op != OpS390XMOVHZload {
 19594  			break
 19595  		}
 19596  		i1 := x1.AuxInt
 19597  		s := x1.Aux
 19598  		p := x1.Args[0]
 19599  		mem := x1.Args[1]
 19600  		y := or.Args[1]
 19601  		s0 := v.Args[1]
 19602  		if s0.Op != OpS390XSLDconst {
 19603  			break
 19604  		}
 19605  		j0 := s0.AuxInt
 19606  		x0 := s0.Args[0]
 19607  		if x0.Op != OpS390XMOVHZload {
 19608  			break
 19609  		}
 19610  		i0 := x0.AuxInt
 19611  		if x0.Aux != s {
 19612  			break
 19613  		}
 19614  		if p != x0.Args[0] {
 19615  			break
 19616  		}
 19617  		if mem != x0.Args[1] {
 19618  			break
 19619  		}
 19620  		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 19621  			break
 19622  		}
 19623  		b = mergePoint(b, x0, x1)
 19624  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 19625  		v.reset(OpCopy)
 19626  		v.AddArg(v0)
 19627  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 19628  		v1.AuxInt = j1
 19629  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZload, types.UInt32)
 19630  		v2.AuxInt = i0
 19631  		v2.Aux = s
 19632  		v2.AddArg(p)
 19633  		v2.AddArg(mem)
 19634  		v1.AddArg(v2)
 19635  		v0.AddArg(v1)
 19636  		v0.AddArg(y)
 19637  		return true
 19638  	}
 19639  	// match: (OR or:(OR y s1:(SLDconst [j1] x1:(MOVHZload [i1] {s} p mem))) s0:(SLDconst [j0] x0:(MOVHZload [i0] {s} p mem)))
 19640  	// cond: i1 == i0+2   && j1 == j0-16   && j1 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 19641  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZload [i0] {s} p mem)) y)
 19642  	for {
 19643  		or := v.Args[0]
 19644  		if or.Op != OpS390XOR {
 19645  			break
 19646  		}
 19647  		y := or.Args[0]
 19648  		s1 := or.Args[1]
 19649  		if s1.Op != OpS390XSLDconst {
 19650  			break
 19651  		}
 19652  		j1 := s1.AuxInt
 19653  		x1 := s1.Args[0]
 19654  		if x1.Op != OpS390XMOVHZload {
 19655  			break
 19656  		}
 19657  		i1 := x1.AuxInt
 19658  		s := x1.Aux
 19659  		p := x1.Args[0]
 19660  		mem := x1.Args[1]
 19661  		s0 := v.Args[1]
 19662  		if s0.Op != OpS390XSLDconst {
 19663  			break
 19664  		}
 19665  		j0 := s0.AuxInt
 19666  		x0 := s0.Args[0]
 19667  		if x0.Op != OpS390XMOVHZload {
 19668  			break
 19669  		}
 19670  		i0 := x0.AuxInt
 19671  		if x0.Aux != s {
 19672  			break
 19673  		}
 19674  		if p != x0.Args[0] {
 19675  			break
 19676  		}
 19677  		if mem != x0.Args[1] {
 19678  			break
 19679  		}
 19680  		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 19681  			break
 19682  		}
 19683  		b = mergePoint(b, x0, x1)
 19684  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 19685  		v.reset(OpCopy)
 19686  		v.AddArg(v0)
 19687  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 19688  		v1.AuxInt = j1
 19689  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZload, types.UInt32)
 19690  		v2.AuxInt = i0
 19691  		v2.Aux = s
 19692  		v2.AddArg(p)
 19693  		v2.AddArg(mem)
 19694  		v1.AddArg(v2)
 19695  		v0.AddArg(v1)
 19696  		v0.AddArg(y)
 19697  		return true
 19698  	}
 19699  	// match: (OR x1:(MOVBZloadidx [i1] {s} p idx mem) sh:(SLDconst [8] x0:(MOVBZloadidx [i0] {s} p idx mem)))
 19700  	// cond: i1 == i0+1   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 19701  	// result: @mergePoint(b,x0,x1) (MOVHZloadidx [i0] {s} p idx mem)
 19702  	for {
 19703  		x1 := v.Args[0]
 19704  		if x1.Op != OpS390XMOVBZloadidx {
 19705  			break
 19706  		}
 19707  		i1 := x1.AuxInt
 19708  		s := x1.Aux
 19709  		p := x1.Args[0]
 19710  		idx := x1.Args[1]
 19711  		mem := x1.Args[2]
 19712  		sh := v.Args[1]
 19713  		if sh.Op != OpS390XSLDconst {
 19714  			break
 19715  		}
 19716  		if sh.AuxInt != 8 {
 19717  			break
 19718  		}
 19719  		x0 := sh.Args[0]
 19720  		if x0.Op != OpS390XMOVBZloadidx {
 19721  			break
 19722  		}
 19723  		i0 := x0.AuxInt
 19724  		if x0.Aux != s {
 19725  			break
 19726  		}
 19727  		if p != x0.Args[0] {
 19728  			break
 19729  		}
 19730  		if idx != x0.Args[1] {
 19731  			break
 19732  		}
 19733  		if mem != x0.Args[2] {
 19734  			break
 19735  		}
 19736  		if !(i1 == i0+1 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 19737  			break
 19738  		}
 19739  		b = mergePoint(b, x0, x1)
 19740  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 19741  		v.reset(OpCopy)
 19742  		v.AddArg(v0)
 19743  		v0.AuxInt = i0
 19744  		v0.Aux = s
 19745  		v0.AddArg(p)
 19746  		v0.AddArg(idx)
 19747  		v0.AddArg(mem)
 19748  		return true
 19749  	}
 19750  	// match: (OR x1:(MOVBZloadidx [i1] {s} idx p mem) sh:(SLDconst [8] x0:(MOVBZloadidx [i0] {s} p idx mem)))
 19751  	// cond: i1 == i0+1   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 19752  	// result: @mergePoint(b,x0,x1) (MOVHZloadidx [i0] {s} p idx mem)
 19753  	for {
 19754  		x1 := v.Args[0]
 19755  		if x1.Op != OpS390XMOVBZloadidx {
 19756  			break
 19757  		}
 19758  		i1 := x1.AuxInt
 19759  		s := x1.Aux
 19760  		idx := x1.Args[0]
 19761  		p := x1.Args[1]
 19762  		mem := x1.Args[2]
 19763  		sh := v.Args[1]
 19764  		if sh.Op != OpS390XSLDconst {
 19765  			break
 19766  		}
 19767  		if sh.AuxInt != 8 {
 19768  			break
 19769  		}
 19770  		x0 := sh.Args[0]
 19771  		if x0.Op != OpS390XMOVBZloadidx {
 19772  			break
 19773  		}
 19774  		i0 := x0.AuxInt
 19775  		if x0.Aux != s {
 19776  			break
 19777  		}
 19778  		if p != x0.Args[0] {
 19779  			break
 19780  		}
 19781  		if idx != x0.Args[1] {
 19782  			break
 19783  		}
 19784  		if mem != x0.Args[2] {
 19785  			break
 19786  		}
 19787  		if !(i1 == i0+1 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 19788  			break
 19789  		}
 19790  		b = mergePoint(b, x0, x1)
 19791  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 19792  		v.reset(OpCopy)
 19793  		v.AddArg(v0)
 19794  		v0.AuxInt = i0
 19795  		v0.Aux = s
 19796  		v0.AddArg(p)
 19797  		v0.AddArg(idx)
 19798  		v0.AddArg(mem)
 19799  		return true
 19800  	}
 19801  	// match: (OR x1:(MOVBZloadidx [i1] {s} p idx mem) sh:(SLDconst [8] x0:(MOVBZloadidx [i0] {s} idx p mem)))
 19802  	// cond: i1 == i0+1   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 19803  	// result: @mergePoint(b,x0,x1) (MOVHZloadidx [i0] {s} p idx mem)
 19804  	for {
 19805  		x1 := v.Args[0]
 19806  		if x1.Op != OpS390XMOVBZloadidx {
 19807  			break
 19808  		}
 19809  		i1 := x1.AuxInt
 19810  		s := x1.Aux
 19811  		p := x1.Args[0]
 19812  		idx := x1.Args[1]
 19813  		mem := x1.Args[2]
 19814  		sh := v.Args[1]
 19815  		if sh.Op != OpS390XSLDconst {
 19816  			break
 19817  		}
 19818  		if sh.AuxInt != 8 {
 19819  			break
 19820  		}
 19821  		x0 := sh.Args[0]
 19822  		if x0.Op != OpS390XMOVBZloadidx {
 19823  			break
 19824  		}
 19825  		i0 := x0.AuxInt
 19826  		if x0.Aux != s {
 19827  			break
 19828  		}
 19829  		if idx != x0.Args[0] {
 19830  			break
 19831  		}
 19832  		if p != x0.Args[1] {
 19833  			break
 19834  		}
 19835  		if mem != x0.Args[2] {
 19836  			break
 19837  		}
 19838  		if !(i1 == i0+1 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 19839  			break
 19840  		}
 19841  		b = mergePoint(b, x0, x1)
 19842  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 19843  		v.reset(OpCopy)
 19844  		v.AddArg(v0)
 19845  		v0.AuxInt = i0
 19846  		v0.Aux = s
 19847  		v0.AddArg(p)
 19848  		v0.AddArg(idx)
 19849  		v0.AddArg(mem)
 19850  		return true
 19851  	}
 19852  	// match: (OR x1:(MOVBZloadidx [i1] {s} idx p mem) sh:(SLDconst [8] x0:(MOVBZloadidx [i0] {s} idx p mem)))
 19853  	// cond: i1 == i0+1   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 19854  	// result: @mergePoint(b,x0,x1) (MOVHZloadidx [i0] {s} p idx mem)
 19855  	for {
 19856  		x1 := v.Args[0]
 19857  		if x1.Op != OpS390XMOVBZloadidx {
 19858  			break
 19859  		}
 19860  		i1 := x1.AuxInt
 19861  		s := x1.Aux
 19862  		idx := x1.Args[0]
 19863  		p := x1.Args[1]
 19864  		mem := x1.Args[2]
 19865  		sh := v.Args[1]
 19866  		if sh.Op != OpS390XSLDconst {
 19867  			break
 19868  		}
 19869  		if sh.AuxInt != 8 {
 19870  			break
 19871  		}
 19872  		x0 := sh.Args[0]
 19873  		if x0.Op != OpS390XMOVBZloadidx {
 19874  			break
 19875  		}
 19876  		i0 := x0.AuxInt
 19877  		if x0.Aux != s {
 19878  			break
 19879  		}
 19880  		if idx != x0.Args[0] {
 19881  			break
 19882  		}
 19883  		if p != x0.Args[1] {
 19884  			break
 19885  		}
 19886  		if mem != x0.Args[2] {
 19887  			break
 19888  		}
 19889  		if !(i1 == i0+1 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 19890  			break
 19891  		}
 19892  		b = mergePoint(b, x0, x1)
 19893  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 19894  		v.reset(OpCopy)
 19895  		v.AddArg(v0)
 19896  		v0.AuxInt = i0
 19897  		v0.Aux = s
 19898  		v0.AddArg(p)
 19899  		v0.AddArg(idx)
 19900  		v0.AddArg(mem)
 19901  		return true
 19902  	}
 19903  	// match: (OR sh:(SLDconst [8] x0:(MOVBZloadidx [i0] {s} p idx mem)) x1:(MOVBZloadidx [i1] {s} p idx mem))
 19904  	// cond: i1 == i0+1   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 19905  	// result: @mergePoint(b,x0,x1) (MOVHZloadidx [i0] {s} p idx mem)
 19906  	for {
 19907  		sh := v.Args[0]
 19908  		if sh.Op != OpS390XSLDconst {
 19909  			break
 19910  		}
 19911  		if sh.AuxInt != 8 {
 19912  			break
 19913  		}
 19914  		x0 := sh.Args[0]
 19915  		if x0.Op != OpS390XMOVBZloadidx {
 19916  			break
 19917  		}
 19918  		i0 := x0.AuxInt
 19919  		s := x0.Aux
 19920  		p := x0.Args[0]
 19921  		idx := x0.Args[1]
 19922  		mem := x0.Args[2]
 19923  		x1 := v.Args[1]
 19924  		if x1.Op != OpS390XMOVBZloadidx {
 19925  			break
 19926  		}
 19927  		i1 := x1.AuxInt
 19928  		if x1.Aux != s {
 19929  			break
 19930  		}
 19931  		if p != x1.Args[0] {
 19932  			break
 19933  		}
 19934  		if idx != x1.Args[1] {
 19935  			break
 19936  		}
 19937  		if mem != x1.Args[2] {
 19938  			break
 19939  		}
 19940  		if !(i1 == i0+1 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 19941  			break
 19942  		}
 19943  		b = mergePoint(b, x0, x1)
 19944  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 19945  		v.reset(OpCopy)
 19946  		v.AddArg(v0)
 19947  		v0.AuxInt = i0
 19948  		v0.Aux = s
 19949  		v0.AddArg(p)
 19950  		v0.AddArg(idx)
 19951  		v0.AddArg(mem)
 19952  		return true
 19953  	}
 19954  	// match: (OR sh:(SLDconst [8] x0:(MOVBZloadidx [i0] {s} idx p mem)) x1:(MOVBZloadidx [i1] {s} p idx mem))
 19955  	// cond: i1 == i0+1   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 19956  	// result: @mergePoint(b,x0,x1) (MOVHZloadidx [i0] {s} p idx mem)
 19957  	for {
 19958  		sh := v.Args[0]
 19959  		if sh.Op != OpS390XSLDconst {
 19960  			break
 19961  		}
 19962  		if sh.AuxInt != 8 {
 19963  			break
 19964  		}
 19965  		x0 := sh.Args[0]
 19966  		if x0.Op != OpS390XMOVBZloadidx {
 19967  			break
 19968  		}
 19969  		i0 := x0.AuxInt
 19970  		s := x0.Aux
 19971  		idx := x0.Args[0]
 19972  		p := x0.Args[1]
 19973  		mem := x0.Args[2]
 19974  		x1 := v.Args[1]
 19975  		if x1.Op != OpS390XMOVBZloadidx {
 19976  			break
 19977  		}
 19978  		i1 := x1.AuxInt
 19979  		if x1.Aux != s {
 19980  			break
 19981  		}
 19982  		if p != x1.Args[0] {
 19983  			break
 19984  		}
 19985  		if idx != x1.Args[1] {
 19986  			break
 19987  		}
 19988  		if mem != x1.Args[2] {
 19989  			break
 19990  		}
 19991  		if !(i1 == i0+1 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 19992  			break
 19993  		}
 19994  		b = mergePoint(b, x0, x1)
 19995  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 19996  		v.reset(OpCopy)
 19997  		v.AddArg(v0)
 19998  		v0.AuxInt = i0
 19999  		v0.Aux = s
 20000  		v0.AddArg(p)
 20001  		v0.AddArg(idx)
 20002  		v0.AddArg(mem)
 20003  		return true
 20004  	}
 20005  	// match: (OR sh:(SLDconst [8] x0:(MOVBZloadidx [i0] {s} p idx mem)) x1:(MOVBZloadidx [i1] {s} idx p mem))
 20006  	// cond: i1 == i0+1   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 20007  	// result: @mergePoint(b,x0,x1) (MOVHZloadidx [i0] {s} p idx mem)
 20008  	for {
 20009  		sh := v.Args[0]
 20010  		if sh.Op != OpS390XSLDconst {
 20011  			break
 20012  		}
 20013  		if sh.AuxInt != 8 {
 20014  			break
 20015  		}
 20016  		x0 := sh.Args[0]
 20017  		if x0.Op != OpS390XMOVBZloadidx {
 20018  			break
 20019  		}
 20020  		i0 := x0.AuxInt
 20021  		s := x0.Aux
 20022  		p := x0.Args[0]
 20023  		idx := x0.Args[1]
 20024  		mem := x0.Args[2]
 20025  		x1 := v.Args[1]
 20026  		if x1.Op != OpS390XMOVBZloadidx {
 20027  			break
 20028  		}
 20029  		i1 := x1.AuxInt
 20030  		if x1.Aux != s {
 20031  			break
 20032  		}
 20033  		if idx != x1.Args[0] {
 20034  			break
 20035  		}
 20036  		if p != x1.Args[1] {
 20037  			break
 20038  		}
 20039  		if mem != x1.Args[2] {
 20040  			break
 20041  		}
 20042  		if !(i1 == i0+1 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 20043  			break
 20044  		}
 20045  		b = mergePoint(b, x0, x1)
 20046  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 20047  		v.reset(OpCopy)
 20048  		v.AddArg(v0)
 20049  		v0.AuxInt = i0
 20050  		v0.Aux = s
 20051  		v0.AddArg(p)
 20052  		v0.AddArg(idx)
 20053  		v0.AddArg(mem)
 20054  		return true
 20055  	}
 20056  	// match: (OR sh:(SLDconst [8] x0:(MOVBZloadidx [i0] {s} idx p mem)) x1:(MOVBZloadidx [i1] {s} idx p mem))
 20057  	// cond: i1 == i0+1   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 20058  	// result: @mergePoint(b,x0,x1) (MOVHZloadidx [i0] {s} p idx mem)
 20059  	for {
 20060  		sh := v.Args[0]
 20061  		if sh.Op != OpS390XSLDconst {
 20062  			break
 20063  		}
 20064  		if sh.AuxInt != 8 {
 20065  			break
 20066  		}
 20067  		x0 := sh.Args[0]
 20068  		if x0.Op != OpS390XMOVBZloadidx {
 20069  			break
 20070  		}
 20071  		i0 := x0.AuxInt
 20072  		s := x0.Aux
 20073  		idx := x0.Args[0]
 20074  		p := x0.Args[1]
 20075  		mem := x0.Args[2]
 20076  		x1 := v.Args[1]
 20077  		if x1.Op != OpS390XMOVBZloadidx {
 20078  			break
 20079  		}
 20080  		i1 := x1.AuxInt
 20081  		if x1.Aux != s {
 20082  			break
 20083  		}
 20084  		if idx != x1.Args[0] {
 20085  			break
 20086  		}
 20087  		if p != x1.Args[1] {
 20088  			break
 20089  		}
 20090  		if mem != x1.Args[2] {
 20091  			break
 20092  		}
 20093  		if !(i1 == i0+1 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 20094  			break
 20095  		}
 20096  		b = mergePoint(b, x0, x1)
 20097  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 20098  		v.reset(OpCopy)
 20099  		v.AddArg(v0)
 20100  		v0.AuxInt = i0
 20101  		v0.Aux = s
 20102  		v0.AddArg(p)
 20103  		v0.AddArg(idx)
 20104  		v0.AddArg(mem)
 20105  		return true
 20106  	}
 20107  	// match: (OR x1:(MOVHZloadidx [i1] {s} p idx mem) sh:(SLDconst [16] x0:(MOVHZloadidx [i0] {s} p idx mem)))
 20108  	// cond: i1 == i0+2   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 20109  	// result: @mergePoint(b,x0,x1) (MOVWZloadidx [i0] {s} p idx mem)
 20110  	for {
 20111  		x1 := v.Args[0]
 20112  		if x1.Op != OpS390XMOVHZloadidx {
 20113  			break
 20114  		}
 20115  		i1 := x1.AuxInt
 20116  		s := x1.Aux
 20117  		p := x1.Args[0]
 20118  		idx := x1.Args[1]
 20119  		mem := x1.Args[2]
 20120  		sh := v.Args[1]
 20121  		if sh.Op != OpS390XSLDconst {
 20122  			break
 20123  		}
 20124  		if sh.AuxInt != 16 {
 20125  			break
 20126  		}
 20127  		x0 := sh.Args[0]
 20128  		if x0.Op != OpS390XMOVHZloadidx {
 20129  			break
 20130  		}
 20131  		i0 := x0.AuxInt
 20132  		if x0.Aux != s {
 20133  			break
 20134  		}
 20135  		if p != x0.Args[0] {
 20136  			break
 20137  		}
 20138  		if idx != x0.Args[1] {
 20139  			break
 20140  		}
 20141  		if mem != x0.Args[2] {
 20142  			break
 20143  		}
 20144  		if !(i1 == i0+2 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 20145  			break
 20146  		}
 20147  		b = mergePoint(b, x0, x1)
 20148  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 20149  		v.reset(OpCopy)
 20150  		v.AddArg(v0)
 20151  		v0.AuxInt = i0
 20152  		v0.Aux = s
 20153  		v0.AddArg(p)
 20154  		v0.AddArg(idx)
 20155  		v0.AddArg(mem)
 20156  		return true
 20157  	}
 20158  	// match: (OR x1:(MOVHZloadidx [i1] {s} idx p mem) sh:(SLDconst [16] x0:(MOVHZloadidx [i0] {s} p idx mem)))
 20159  	// cond: i1 == i0+2   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 20160  	// result: @mergePoint(b,x0,x1) (MOVWZloadidx [i0] {s} p idx mem)
 20161  	for {
 20162  		x1 := v.Args[0]
 20163  		if x1.Op != OpS390XMOVHZloadidx {
 20164  			break
 20165  		}
 20166  		i1 := x1.AuxInt
 20167  		s := x1.Aux
 20168  		idx := x1.Args[0]
 20169  		p := x1.Args[1]
 20170  		mem := x1.Args[2]
 20171  		sh := v.Args[1]
 20172  		if sh.Op != OpS390XSLDconst {
 20173  			break
 20174  		}
 20175  		if sh.AuxInt != 16 {
 20176  			break
 20177  		}
 20178  		x0 := sh.Args[0]
 20179  		if x0.Op != OpS390XMOVHZloadidx {
 20180  			break
 20181  		}
 20182  		i0 := x0.AuxInt
 20183  		if x0.Aux != s {
 20184  			break
 20185  		}
 20186  		if p != x0.Args[0] {
 20187  			break
 20188  		}
 20189  		if idx != x0.Args[1] {
 20190  			break
 20191  		}
 20192  		if mem != x0.Args[2] {
 20193  			break
 20194  		}
 20195  		if !(i1 == i0+2 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 20196  			break
 20197  		}
 20198  		b = mergePoint(b, x0, x1)
 20199  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 20200  		v.reset(OpCopy)
 20201  		v.AddArg(v0)
 20202  		v0.AuxInt = i0
 20203  		v0.Aux = s
 20204  		v0.AddArg(p)
 20205  		v0.AddArg(idx)
 20206  		v0.AddArg(mem)
 20207  		return true
 20208  	}
 20209  	// match: (OR x1:(MOVHZloadidx [i1] {s} p idx mem) sh:(SLDconst [16] x0:(MOVHZloadidx [i0] {s} idx p mem)))
 20210  	// cond: i1 == i0+2   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 20211  	// result: @mergePoint(b,x0,x1) (MOVWZloadidx [i0] {s} p idx mem)
 20212  	for {
 20213  		x1 := v.Args[0]
 20214  		if x1.Op != OpS390XMOVHZloadidx {
 20215  			break
 20216  		}
 20217  		i1 := x1.AuxInt
 20218  		s := x1.Aux
 20219  		p := x1.Args[0]
 20220  		idx := x1.Args[1]
 20221  		mem := x1.Args[2]
 20222  		sh := v.Args[1]
 20223  		if sh.Op != OpS390XSLDconst {
 20224  			break
 20225  		}
 20226  		if sh.AuxInt != 16 {
 20227  			break
 20228  		}
 20229  		x0 := sh.Args[0]
 20230  		if x0.Op != OpS390XMOVHZloadidx {
 20231  			break
 20232  		}
 20233  		i0 := x0.AuxInt
 20234  		if x0.Aux != s {
 20235  			break
 20236  		}
 20237  		if idx != x0.Args[0] {
 20238  			break
 20239  		}
 20240  		if p != x0.Args[1] {
 20241  			break
 20242  		}
 20243  		if mem != x0.Args[2] {
 20244  			break
 20245  		}
 20246  		if !(i1 == i0+2 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 20247  			break
 20248  		}
 20249  		b = mergePoint(b, x0, x1)
 20250  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 20251  		v.reset(OpCopy)
 20252  		v.AddArg(v0)
 20253  		v0.AuxInt = i0
 20254  		v0.Aux = s
 20255  		v0.AddArg(p)
 20256  		v0.AddArg(idx)
 20257  		v0.AddArg(mem)
 20258  		return true
 20259  	}
 20260  	// match: (OR x1:(MOVHZloadidx [i1] {s} idx p mem) sh:(SLDconst [16] x0:(MOVHZloadidx [i0] {s} idx p mem)))
 20261  	// cond: i1 == i0+2   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 20262  	// result: @mergePoint(b,x0,x1) (MOVWZloadidx [i0] {s} p idx mem)
 20263  	for {
 20264  		x1 := v.Args[0]
 20265  		if x1.Op != OpS390XMOVHZloadidx {
 20266  			break
 20267  		}
 20268  		i1 := x1.AuxInt
 20269  		s := x1.Aux
 20270  		idx := x1.Args[0]
 20271  		p := x1.Args[1]
 20272  		mem := x1.Args[2]
 20273  		sh := v.Args[1]
 20274  		if sh.Op != OpS390XSLDconst {
 20275  			break
 20276  		}
 20277  		if sh.AuxInt != 16 {
 20278  			break
 20279  		}
 20280  		x0 := sh.Args[0]
 20281  		if x0.Op != OpS390XMOVHZloadidx {
 20282  			break
 20283  		}
 20284  		i0 := x0.AuxInt
 20285  		if x0.Aux != s {
 20286  			break
 20287  		}
 20288  		if idx != x0.Args[0] {
 20289  			break
 20290  		}
 20291  		if p != x0.Args[1] {
 20292  			break
 20293  		}
 20294  		if mem != x0.Args[2] {
 20295  			break
 20296  		}
 20297  		if !(i1 == i0+2 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 20298  			break
 20299  		}
 20300  		b = mergePoint(b, x0, x1)
 20301  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 20302  		v.reset(OpCopy)
 20303  		v.AddArg(v0)
 20304  		v0.AuxInt = i0
 20305  		v0.Aux = s
 20306  		v0.AddArg(p)
 20307  		v0.AddArg(idx)
 20308  		v0.AddArg(mem)
 20309  		return true
 20310  	}
 20311  	// match: (OR sh:(SLDconst [16] x0:(MOVHZloadidx [i0] {s} p idx mem)) x1:(MOVHZloadidx [i1] {s} p idx mem))
 20312  	// cond: i1 == i0+2   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 20313  	// result: @mergePoint(b,x0,x1) (MOVWZloadidx [i0] {s} p idx mem)
 20314  	for {
 20315  		sh := v.Args[0]
 20316  		if sh.Op != OpS390XSLDconst {
 20317  			break
 20318  		}
 20319  		if sh.AuxInt != 16 {
 20320  			break
 20321  		}
 20322  		x0 := sh.Args[0]
 20323  		if x0.Op != OpS390XMOVHZloadidx {
 20324  			break
 20325  		}
 20326  		i0 := x0.AuxInt
 20327  		s := x0.Aux
 20328  		p := x0.Args[0]
 20329  		idx := x0.Args[1]
 20330  		mem := x0.Args[2]
 20331  		x1 := v.Args[1]
 20332  		if x1.Op != OpS390XMOVHZloadidx {
 20333  			break
 20334  		}
 20335  		i1 := x1.AuxInt
 20336  		if x1.Aux != s {
 20337  			break
 20338  		}
 20339  		if p != x1.Args[0] {
 20340  			break
 20341  		}
 20342  		if idx != x1.Args[1] {
 20343  			break
 20344  		}
 20345  		if mem != x1.Args[2] {
 20346  			break
 20347  		}
 20348  		if !(i1 == i0+2 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 20349  			break
 20350  		}
 20351  		b = mergePoint(b, x0, x1)
 20352  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 20353  		v.reset(OpCopy)
 20354  		v.AddArg(v0)
 20355  		v0.AuxInt = i0
 20356  		v0.Aux = s
 20357  		v0.AddArg(p)
 20358  		v0.AddArg(idx)
 20359  		v0.AddArg(mem)
 20360  		return true
 20361  	}
 20362  	// match: (OR sh:(SLDconst [16] x0:(MOVHZloadidx [i0] {s} idx p mem)) x1:(MOVHZloadidx [i1] {s} p idx mem))
 20363  	// cond: i1 == i0+2   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 20364  	// result: @mergePoint(b,x0,x1) (MOVWZloadidx [i0] {s} p idx mem)
 20365  	for {
 20366  		sh := v.Args[0]
 20367  		if sh.Op != OpS390XSLDconst {
 20368  			break
 20369  		}
 20370  		if sh.AuxInt != 16 {
 20371  			break
 20372  		}
 20373  		x0 := sh.Args[0]
 20374  		if x0.Op != OpS390XMOVHZloadidx {
 20375  			break
 20376  		}
 20377  		i0 := x0.AuxInt
 20378  		s := x0.Aux
 20379  		idx := x0.Args[0]
 20380  		p := x0.Args[1]
 20381  		mem := x0.Args[2]
 20382  		x1 := v.Args[1]
 20383  		if x1.Op != OpS390XMOVHZloadidx {
 20384  			break
 20385  		}
 20386  		i1 := x1.AuxInt
 20387  		if x1.Aux != s {
 20388  			break
 20389  		}
 20390  		if p != x1.Args[0] {
 20391  			break
 20392  		}
 20393  		if idx != x1.Args[1] {
 20394  			break
 20395  		}
 20396  		if mem != x1.Args[2] {
 20397  			break
 20398  		}
 20399  		if !(i1 == i0+2 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 20400  			break
 20401  		}
 20402  		b = mergePoint(b, x0, x1)
 20403  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 20404  		v.reset(OpCopy)
 20405  		v.AddArg(v0)
 20406  		v0.AuxInt = i0
 20407  		v0.Aux = s
 20408  		v0.AddArg(p)
 20409  		v0.AddArg(idx)
 20410  		v0.AddArg(mem)
 20411  		return true
 20412  	}
 20413  	// match: (OR sh:(SLDconst [16] x0:(MOVHZloadidx [i0] {s} p idx mem)) x1:(MOVHZloadidx [i1] {s} idx p mem))
 20414  	// cond: i1 == i0+2   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 20415  	// result: @mergePoint(b,x0,x1) (MOVWZloadidx [i0] {s} p idx mem)
 20416  	for {
 20417  		sh := v.Args[0]
 20418  		if sh.Op != OpS390XSLDconst {
 20419  			break
 20420  		}
 20421  		if sh.AuxInt != 16 {
 20422  			break
 20423  		}
 20424  		x0 := sh.Args[0]
 20425  		if x0.Op != OpS390XMOVHZloadidx {
 20426  			break
 20427  		}
 20428  		i0 := x0.AuxInt
 20429  		s := x0.Aux
 20430  		p := x0.Args[0]
 20431  		idx := x0.Args[1]
 20432  		mem := x0.Args[2]
 20433  		x1 := v.Args[1]
 20434  		if x1.Op != OpS390XMOVHZloadidx {
 20435  			break
 20436  		}
 20437  		i1 := x1.AuxInt
 20438  		if x1.Aux != s {
 20439  			break
 20440  		}
 20441  		if idx != x1.Args[0] {
 20442  			break
 20443  		}
 20444  		if p != x1.Args[1] {
 20445  			break
 20446  		}
 20447  		if mem != x1.Args[2] {
 20448  			break
 20449  		}
 20450  		if !(i1 == i0+2 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 20451  			break
 20452  		}
 20453  		b = mergePoint(b, x0, x1)
 20454  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 20455  		v.reset(OpCopy)
 20456  		v.AddArg(v0)
 20457  		v0.AuxInt = i0
 20458  		v0.Aux = s
 20459  		v0.AddArg(p)
 20460  		v0.AddArg(idx)
 20461  		v0.AddArg(mem)
 20462  		return true
 20463  	}
 20464  	// match: (OR sh:(SLDconst [16] x0:(MOVHZloadidx [i0] {s} idx p mem)) x1:(MOVHZloadidx [i1] {s} idx p mem))
 20465  	// cond: i1 == i0+2   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 20466  	// result: @mergePoint(b,x0,x1) (MOVWZloadidx [i0] {s} p idx mem)
 20467  	for {
 20468  		sh := v.Args[0]
 20469  		if sh.Op != OpS390XSLDconst {
 20470  			break
 20471  		}
 20472  		if sh.AuxInt != 16 {
 20473  			break
 20474  		}
 20475  		x0 := sh.Args[0]
 20476  		if x0.Op != OpS390XMOVHZloadidx {
 20477  			break
 20478  		}
 20479  		i0 := x0.AuxInt
 20480  		s := x0.Aux
 20481  		idx := x0.Args[0]
 20482  		p := x0.Args[1]
 20483  		mem := x0.Args[2]
 20484  		x1 := v.Args[1]
 20485  		if x1.Op != OpS390XMOVHZloadidx {
 20486  			break
 20487  		}
 20488  		i1 := x1.AuxInt
 20489  		if x1.Aux != s {
 20490  			break
 20491  		}
 20492  		if idx != x1.Args[0] {
 20493  			break
 20494  		}
 20495  		if p != x1.Args[1] {
 20496  			break
 20497  		}
 20498  		if mem != x1.Args[2] {
 20499  			break
 20500  		}
 20501  		if !(i1 == i0+2 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 20502  			break
 20503  		}
 20504  		b = mergePoint(b, x0, x1)
 20505  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 20506  		v.reset(OpCopy)
 20507  		v.AddArg(v0)
 20508  		v0.AuxInt = i0
 20509  		v0.Aux = s
 20510  		v0.AddArg(p)
 20511  		v0.AddArg(idx)
 20512  		v0.AddArg(mem)
 20513  		return true
 20514  	}
 20515  	// match: (OR x1:(MOVWZloadidx [i1] {s} p idx mem) sh:(SLDconst [32] x0:(MOVWZloadidx [i0] {s} p idx mem)))
 20516  	// cond: i1 == i0+4   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 20517  	// result: @mergePoint(b,x0,x1) (MOVDloadidx [i0] {s} p idx mem)
 20518  	for {
 20519  		x1 := v.Args[0]
 20520  		if x1.Op != OpS390XMOVWZloadidx {
 20521  			break
 20522  		}
 20523  		i1 := x1.AuxInt
 20524  		s := x1.Aux
 20525  		p := x1.Args[0]
 20526  		idx := x1.Args[1]
 20527  		mem := x1.Args[2]
 20528  		sh := v.Args[1]
 20529  		if sh.Op != OpS390XSLDconst {
 20530  			break
 20531  		}
 20532  		if sh.AuxInt != 32 {
 20533  			break
 20534  		}
 20535  		x0 := sh.Args[0]
 20536  		if x0.Op != OpS390XMOVWZloadidx {
 20537  			break
 20538  		}
 20539  		i0 := x0.AuxInt
 20540  		if x0.Aux != s {
 20541  			break
 20542  		}
 20543  		if p != x0.Args[0] {
 20544  			break
 20545  		}
 20546  		if idx != x0.Args[1] {
 20547  			break
 20548  		}
 20549  		if mem != x0.Args[2] {
 20550  			break
 20551  		}
 20552  		if !(i1 == i0+4 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 20553  			break
 20554  		}
 20555  		b = mergePoint(b, x0, x1)
 20556  		v0 := b.NewValue0(v.Pos, OpS390XMOVDloadidx, types.UInt64)
 20557  		v.reset(OpCopy)
 20558  		v.AddArg(v0)
 20559  		v0.AuxInt = i0
 20560  		v0.Aux = s
 20561  		v0.AddArg(p)
 20562  		v0.AddArg(idx)
 20563  		v0.AddArg(mem)
 20564  		return true
 20565  	}
 20566  	// match: (OR x1:(MOVWZloadidx [i1] {s} idx p mem) sh:(SLDconst [32] x0:(MOVWZloadidx [i0] {s} p idx mem)))
 20567  	// cond: i1 == i0+4   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 20568  	// result: @mergePoint(b,x0,x1) (MOVDloadidx [i0] {s} p idx mem)
 20569  	for {
 20570  		x1 := v.Args[0]
 20571  		if x1.Op != OpS390XMOVWZloadidx {
 20572  			break
 20573  		}
 20574  		i1 := x1.AuxInt
 20575  		s := x1.Aux
 20576  		idx := x1.Args[0]
 20577  		p := x1.Args[1]
 20578  		mem := x1.Args[2]
 20579  		sh := v.Args[1]
 20580  		if sh.Op != OpS390XSLDconst {
 20581  			break
 20582  		}
 20583  		if sh.AuxInt != 32 {
 20584  			break
 20585  		}
 20586  		x0 := sh.Args[0]
 20587  		if x0.Op != OpS390XMOVWZloadidx {
 20588  			break
 20589  		}
 20590  		i0 := x0.AuxInt
 20591  		if x0.Aux != s {
 20592  			break
 20593  		}
 20594  		if p != x0.Args[0] {
 20595  			break
 20596  		}
 20597  		if idx != x0.Args[1] {
 20598  			break
 20599  		}
 20600  		if mem != x0.Args[2] {
 20601  			break
 20602  		}
 20603  		if !(i1 == i0+4 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 20604  			break
 20605  		}
 20606  		b = mergePoint(b, x0, x1)
 20607  		v0 := b.NewValue0(v.Pos, OpS390XMOVDloadidx, types.UInt64)
 20608  		v.reset(OpCopy)
 20609  		v.AddArg(v0)
 20610  		v0.AuxInt = i0
 20611  		v0.Aux = s
 20612  		v0.AddArg(p)
 20613  		v0.AddArg(idx)
 20614  		v0.AddArg(mem)
 20615  		return true
 20616  	}
 20617  	// match: (OR x1:(MOVWZloadidx [i1] {s} p idx mem) sh:(SLDconst [32] x0:(MOVWZloadidx [i0] {s} idx p mem)))
 20618  	// cond: i1 == i0+4   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 20619  	// result: @mergePoint(b,x0,x1) (MOVDloadidx [i0] {s} p idx mem)
 20620  	for {
 20621  		x1 := v.Args[0]
 20622  		if x1.Op != OpS390XMOVWZloadidx {
 20623  			break
 20624  		}
 20625  		i1 := x1.AuxInt
 20626  		s := x1.Aux
 20627  		p := x1.Args[0]
 20628  		idx := x1.Args[1]
 20629  		mem := x1.Args[2]
 20630  		sh := v.Args[1]
 20631  		if sh.Op != OpS390XSLDconst {
 20632  			break
 20633  		}
 20634  		if sh.AuxInt != 32 {
 20635  			break
 20636  		}
 20637  		x0 := sh.Args[0]
 20638  		if x0.Op != OpS390XMOVWZloadidx {
 20639  			break
 20640  		}
 20641  		i0 := x0.AuxInt
 20642  		if x0.Aux != s {
 20643  			break
 20644  		}
 20645  		if idx != x0.Args[0] {
 20646  			break
 20647  		}
 20648  		if p != x0.Args[1] {
 20649  			break
 20650  		}
 20651  		if mem != x0.Args[2] {
 20652  			break
 20653  		}
 20654  		if !(i1 == i0+4 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 20655  			break
 20656  		}
 20657  		b = mergePoint(b, x0, x1)
 20658  		v0 := b.NewValue0(v.Pos, OpS390XMOVDloadidx, types.UInt64)
 20659  		v.reset(OpCopy)
 20660  		v.AddArg(v0)
 20661  		v0.AuxInt = i0
 20662  		v0.Aux = s
 20663  		v0.AddArg(p)
 20664  		v0.AddArg(idx)
 20665  		v0.AddArg(mem)
 20666  		return true
 20667  	}
 20668  	// match: (OR x1:(MOVWZloadidx [i1] {s} idx p mem) sh:(SLDconst [32] x0:(MOVWZloadidx [i0] {s} idx p mem)))
 20669  	// cond: i1 == i0+4   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 20670  	// result: @mergePoint(b,x0,x1) (MOVDloadidx [i0] {s} p idx mem)
 20671  	for {
 20672  		x1 := v.Args[0]
 20673  		if x1.Op != OpS390XMOVWZloadidx {
 20674  			break
 20675  		}
 20676  		i1 := x1.AuxInt
 20677  		s := x1.Aux
 20678  		idx := x1.Args[0]
 20679  		p := x1.Args[1]
 20680  		mem := x1.Args[2]
 20681  		sh := v.Args[1]
 20682  		if sh.Op != OpS390XSLDconst {
 20683  			break
 20684  		}
 20685  		if sh.AuxInt != 32 {
 20686  			break
 20687  		}
 20688  		x0 := sh.Args[0]
 20689  		if x0.Op != OpS390XMOVWZloadidx {
 20690  			break
 20691  		}
 20692  		i0 := x0.AuxInt
 20693  		if x0.Aux != s {
 20694  			break
 20695  		}
 20696  		if idx != x0.Args[0] {
 20697  			break
 20698  		}
 20699  		if p != x0.Args[1] {
 20700  			break
 20701  		}
 20702  		if mem != x0.Args[2] {
 20703  			break
 20704  		}
 20705  		if !(i1 == i0+4 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 20706  			break
 20707  		}
 20708  		b = mergePoint(b, x0, x1)
 20709  		v0 := b.NewValue0(v.Pos, OpS390XMOVDloadidx, types.UInt64)
 20710  		v.reset(OpCopy)
 20711  		v.AddArg(v0)
 20712  		v0.AuxInt = i0
 20713  		v0.Aux = s
 20714  		v0.AddArg(p)
 20715  		v0.AddArg(idx)
 20716  		v0.AddArg(mem)
 20717  		return true
 20718  	}
 20719  	// match: (OR sh:(SLDconst [32] x0:(MOVWZloadidx [i0] {s} p idx mem)) x1:(MOVWZloadidx [i1] {s} p idx mem))
 20720  	// cond: i1 == i0+4   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 20721  	// result: @mergePoint(b,x0,x1) (MOVDloadidx [i0] {s} p idx mem)
 20722  	for {
 20723  		sh := v.Args[0]
 20724  		if sh.Op != OpS390XSLDconst {
 20725  			break
 20726  		}
 20727  		if sh.AuxInt != 32 {
 20728  			break
 20729  		}
 20730  		x0 := sh.Args[0]
 20731  		if x0.Op != OpS390XMOVWZloadidx {
 20732  			break
 20733  		}
 20734  		i0 := x0.AuxInt
 20735  		s := x0.Aux
 20736  		p := x0.Args[0]
 20737  		idx := x0.Args[1]
 20738  		mem := x0.Args[2]
 20739  		x1 := v.Args[1]
 20740  		if x1.Op != OpS390XMOVWZloadidx {
 20741  			break
 20742  		}
 20743  		i1 := x1.AuxInt
 20744  		if x1.Aux != s {
 20745  			break
 20746  		}
 20747  		if p != x1.Args[0] {
 20748  			break
 20749  		}
 20750  		if idx != x1.Args[1] {
 20751  			break
 20752  		}
 20753  		if mem != x1.Args[2] {
 20754  			break
 20755  		}
 20756  		if !(i1 == i0+4 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 20757  			break
 20758  		}
 20759  		b = mergePoint(b, x0, x1)
 20760  		v0 := b.NewValue0(v.Pos, OpS390XMOVDloadidx, types.UInt64)
 20761  		v.reset(OpCopy)
 20762  		v.AddArg(v0)
 20763  		v0.AuxInt = i0
 20764  		v0.Aux = s
 20765  		v0.AddArg(p)
 20766  		v0.AddArg(idx)
 20767  		v0.AddArg(mem)
 20768  		return true
 20769  	}
 20770  	// match: (OR sh:(SLDconst [32] x0:(MOVWZloadidx [i0] {s} idx p mem)) x1:(MOVWZloadidx [i1] {s} p idx mem))
 20771  	// cond: i1 == i0+4   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 20772  	// result: @mergePoint(b,x0,x1) (MOVDloadidx [i0] {s} p idx mem)
 20773  	for {
 20774  		sh := v.Args[0]
 20775  		if sh.Op != OpS390XSLDconst {
 20776  			break
 20777  		}
 20778  		if sh.AuxInt != 32 {
 20779  			break
 20780  		}
 20781  		x0 := sh.Args[0]
 20782  		if x0.Op != OpS390XMOVWZloadidx {
 20783  			break
 20784  		}
 20785  		i0 := x0.AuxInt
 20786  		s := x0.Aux
 20787  		idx := x0.Args[0]
 20788  		p := x0.Args[1]
 20789  		mem := x0.Args[2]
 20790  		x1 := v.Args[1]
 20791  		if x1.Op != OpS390XMOVWZloadidx {
 20792  			break
 20793  		}
 20794  		i1 := x1.AuxInt
 20795  		if x1.Aux != s {
 20796  			break
 20797  		}
 20798  		if p != x1.Args[0] {
 20799  			break
 20800  		}
 20801  		if idx != x1.Args[1] {
 20802  			break
 20803  		}
 20804  		if mem != x1.Args[2] {
 20805  			break
 20806  		}
 20807  		if !(i1 == i0+4 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 20808  			break
 20809  		}
 20810  		b = mergePoint(b, x0, x1)
 20811  		v0 := b.NewValue0(v.Pos, OpS390XMOVDloadidx, types.UInt64)
 20812  		v.reset(OpCopy)
 20813  		v.AddArg(v0)
 20814  		v0.AuxInt = i0
 20815  		v0.Aux = s
 20816  		v0.AddArg(p)
 20817  		v0.AddArg(idx)
 20818  		v0.AddArg(mem)
 20819  		return true
 20820  	}
 20821  	// match: (OR sh:(SLDconst [32] x0:(MOVWZloadidx [i0] {s} p idx mem)) x1:(MOVWZloadidx [i1] {s} idx p mem))
 20822  	// cond: i1 == i0+4   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 20823  	// result: @mergePoint(b,x0,x1) (MOVDloadidx [i0] {s} p idx mem)
 20824  	for {
 20825  		sh := v.Args[0]
 20826  		if sh.Op != OpS390XSLDconst {
 20827  			break
 20828  		}
 20829  		if sh.AuxInt != 32 {
 20830  			break
 20831  		}
 20832  		x0 := sh.Args[0]
 20833  		if x0.Op != OpS390XMOVWZloadidx {
 20834  			break
 20835  		}
 20836  		i0 := x0.AuxInt
 20837  		s := x0.Aux
 20838  		p := x0.Args[0]
 20839  		idx := x0.Args[1]
 20840  		mem := x0.Args[2]
 20841  		x1 := v.Args[1]
 20842  		if x1.Op != OpS390XMOVWZloadidx {
 20843  			break
 20844  		}
 20845  		i1 := x1.AuxInt
 20846  		if x1.Aux != s {
 20847  			break
 20848  		}
 20849  		if idx != x1.Args[0] {
 20850  			break
 20851  		}
 20852  		if p != x1.Args[1] {
 20853  			break
 20854  		}
 20855  		if mem != x1.Args[2] {
 20856  			break
 20857  		}
 20858  		if !(i1 == i0+4 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 20859  			break
 20860  		}
 20861  		b = mergePoint(b, x0, x1)
 20862  		v0 := b.NewValue0(v.Pos, OpS390XMOVDloadidx, types.UInt64)
 20863  		v.reset(OpCopy)
 20864  		v.AddArg(v0)
 20865  		v0.AuxInt = i0
 20866  		v0.Aux = s
 20867  		v0.AddArg(p)
 20868  		v0.AddArg(idx)
 20869  		v0.AddArg(mem)
 20870  		return true
 20871  	}
 20872  	// match: (OR sh:(SLDconst [32] x0:(MOVWZloadidx [i0] {s} idx p mem)) x1:(MOVWZloadidx [i1] {s} idx p mem))
 20873  	// cond: i1 == i0+4   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 20874  	// result: @mergePoint(b,x0,x1) (MOVDloadidx [i0] {s} p idx mem)
 20875  	for {
 20876  		sh := v.Args[0]
 20877  		if sh.Op != OpS390XSLDconst {
 20878  			break
 20879  		}
 20880  		if sh.AuxInt != 32 {
 20881  			break
 20882  		}
 20883  		x0 := sh.Args[0]
 20884  		if x0.Op != OpS390XMOVWZloadidx {
 20885  			break
 20886  		}
 20887  		i0 := x0.AuxInt
 20888  		s := x0.Aux
 20889  		idx := x0.Args[0]
 20890  		p := x0.Args[1]
 20891  		mem := x0.Args[2]
 20892  		x1 := v.Args[1]
 20893  		if x1.Op != OpS390XMOVWZloadidx {
 20894  			break
 20895  		}
 20896  		i1 := x1.AuxInt
 20897  		if x1.Aux != s {
 20898  			break
 20899  		}
 20900  		if idx != x1.Args[0] {
 20901  			break
 20902  		}
 20903  		if p != x1.Args[1] {
 20904  			break
 20905  		}
 20906  		if mem != x1.Args[2] {
 20907  			break
 20908  		}
 20909  		if !(i1 == i0+4 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 20910  			break
 20911  		}
 20912  		b = mergePoint(b, x0, x1)
 20913  		v0 := b.NewValue0(v.Pos, OpS390XMOVDloadidx, types.UInt64)
 20914  		v.reset(OpCopy)
 20915  		v.AddArg(v0)
 20916  		v0.AuxInt = i0
 20917  		v0.Aux = s
 20918  		v0.AddArg(p)
 20919  		v0.AddArg(idx)
 20920  		v0.AddArg(mem)
 20921  		return true
 20922  	}
 20923  	// match: (OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) or:(OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) y))
 20924  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 20925  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 20926  	for {
 20927  		s0 := v.Args[0]
 20928  		if s0.Op != OpS390XSLDconst {
 20929  			break
 20930  		}
 20931  		j0 := s0.AuxInt
 20932  		x0 := s0.Args[0]
 20933  		if x0.Op != OpS390XMOVBZloadidx {
 20934  			break
 20935  		}
 20936  		i0 := x0.AuxInt
 20937  		s := x0.Aux
 20938  		p := x0.Args[0]
 20939  		idx := x0.Args[1]
 20940  		mem := x0.Args[2]
 20941  		or := v.Args[1]
 20942  		if or.Op != OpS390XOR {
 20943  			break
 20944  		}
 20945  		s1 := or.Args[0]
 20946  		if s1.Op != OpS390XSLDconst {
 20947  			break
 20948  		}
 20949  		j1 := s1.AuxInt
 20950  		x1 := s1.Args[0]
 20951  		if x1.Op != OpS390XMOVBZloadidx {
 20952  			break
 20953  		}
 20954  		i1 := x1.AuxInt
 20955  		if x1.Aux != s {
 20956  			break
 20957  		}
 20958  		if p != x1.Args[0] {
 20959  			break
 20960  		}
 20961  		if idx != x1.Args[1] {
 20962  			break
 20963  		}
 20964  		if mem != x1.Args[2] {
 20965  			break
 20966  		}
 20967  		y := or.Args[1]
 20968  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 20969  			break
 20970  		}
 20971  		b = mergePoint(b, x0, x1)
 20972  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 20973  		v.reset(OpCopy)
 20974  		v.AddArg(v0)
 20975  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 20976  		v1.AuxInt = j1
 20977  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 20978  		v2.AuxInt = i0
 20979  		v2.Aux = s
 20980  		v2.AddArg(p)
 20981  		v2.AddArg(idx)
 20982  		v2.AddArg(mem)
 20983  		v1.AddArg(v2)
 20984  		v0.AddArg(v1)
 20985  		v0.AddArg(y)
 20986  		return true
 20987  	}
 20988  	// match: (OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) or:(OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) y))
 20989  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 20990  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 20991  	for {
 20992  		s0 := v.Args[0]
 20993  		if s0.Op != OpS390XSLDconst {
 20994  			break
 20995  		}
 20996  		j0 := s0.AuxInt
 20997  		x0 := s0.Args[0]
 20998  		if x0.Op != OpS390XMOVBZloadidx {
 20999  			break
 21000  		}
 21001  		i0 := x0.AuxInt
 21002  		s := x0.Aux
 21003  		idx := x0.Args[0]
 21004  		p := x0.Args[1]
 21005  		mem := x0.Args[2]
 21006  		or := v.Args[1]
 21007  		if or.Op != OpS390XOR {
 21008  			break
 21009  		}
 21010  		s1 := or.Args[0]
 21011  		if s1.Op != OpS390XSLDconst {
 21012  			break
 21013  		}
 21014  		j1 := s1.AuxInt
 21015  		x1 := s1.Args[0]
 21016  		if x1.Op != OpS390XMOVBZloadidx {
 21017  			break
 21018  		}
 21019  		i1 := x1.AuxInt
 21020  		if x1.Aux != s {
 21021  			break
 21022  		}
 21023  		if p != x1.Args[0] {
 21024  			break
 21025  		}
 21026  		if idx != x1.Args[1] {
 21027  			break
 21028  		}
 21029  		if mem != x1.Args[2] {
 21030  			break
 21031  		}
 21032  		y := or.Args[1]
 21033  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 21034  			break
 21035  		}
 21036  		b = mergePoint(b, x0, x1)
 21037  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 21038  		v.reset(OpCopy)
 21039  		v.AddArg(v0)
 21040  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 21041  		v1.AuxInt = j1
 21042  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 21043  		v2.AuxInt = i0
 21044  		v2.Aux = s
 21045  		v2.AddArg(p)
 21046  		v2.AddArg(idx)
 21047  		v2.AddArg(mem)
 21048  		v1.AddArg(v2)
 21049  		v0.AddArg(v1)
 21050  		v0.AddArg(y)
 21051  		return true
 21052  	}
 21053  	// match: (OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) or:(OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) y))
 21054  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 21055  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 21056  	for {
 21057  		s0 := v.Args[0]
 21058  		if s0.Op != OpS390XSLDconst {
 21059  			break
 21060  		}
 21061  		j0 := s0.AuxInt
 21062  		x0 := s0.Args[0]
 21063  		if x0.Op != OpS390XMOVBZloadidx {
 21064  			break
 21065  		}
 21066  		i0 := x0.AuxInt
 21067  		s := x0.Aux
 21068  		p := x0.Args[0]
 21069  		idx := x0.Args[1]
 21070  		mem := x0.Args[2]
 21071  		or := v.Args[1]
 21072  		if or.Op != OpS390XOR {
 21073  			break
 21074  		}
 21075  		s1 := or.Args[0]
 21076  		if s1.Op != OpS390XSLDconst {
 21077  			break
 21078  		}
 21079  		j1 := s1.AuxInt
 21080  		x1 := s1.Args[0]
 21081  		if x1.Op != OpS390XMOVBZloadidx {
 21082  			break
 21083  		}
 21084  		i1 := x1.AuxInt
 21085  		if x1.Aux != s {
 21086  			break
 21087  		}
 21088  		if idx != x1.Args[0] {
 21089  			break
 21090  		}
 21091  		if p != x1.Args[1] {
 21092  			break
 21093  		}
 21094  		if mem != x1.Args[2] {
 21095  			break
 21096  		}
 21097  		y := or.Args[1]
 21098  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 21099  			break
 21100  		}
 21101  		b = mergePoint(b, x0, x1)
 21102  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 21103  		v.reset(OpCopy)
 21104  		v.AddArg(v0)
 21105  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 21106  		v1.AuxInt = j1
 21107  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 21108  		v2.AuxInt = i0
 21109  		v2.Aux = s
 21110  		v2.AddArg(p)
 21111  		v2.AddArg(idx)
 21112  		v2.AddArg(mem)
 21113  		v1.AddArg(v2)
 21114  		v0.AddArg(v1)
 21115  		v0.AddArg(y)
 21116  		return true
 21117  	}
 21118  	// match: (OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) or:(OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) y))
 21119  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 21120  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 21121  	for {
 21122  		s0 := v.Args[0]
 21123  		if s0.Op != OpS390XSLDconst {
 21124  			break
 21125  		}
 21126  		j0 := s0.AuxInt
 21127  		x0 := s0.Args[0]
 21128  		if x0.Op != OpS390XMOVBZloadidx {
 21129  			break
 21130  		}
 21131  		i0 := x0.AuxInt
 21132  		s := x0.Aux
 21133  		idx := x0.Args[0]
 21134  		p := x0.Args[1]
 21135  		mem := x0.Args[2]
 21136  		or := v.Args[1]
 21137  		if or.Op != OpS390XOR {
 21138  			break
 21139  		}
 21140  		s1 := or.Args[0]
 21141  		if s1.Op != OpS390XSLDconst {
 21142  			break
 21143  		}
 21144  		j1 := s1.AuxInt
 21145  		x1 := s1.Args[0]
 21146  		if x1.Op != OpS390XMOVBZloadidx {
 21147  			break
 21148  		}
 21149  		i1 := x1.AuxInt
 21150  		if x1.Aux != s {
 21151  			break
 21152  		}
 21153  		if idx != x1.Args[0] {
 21154  			break
 21155  		}
 21156  		if p != x1.Args[1] {
 21157  			break
 21158  		}
 21159  		if mem != x1.Args[2] {
 21160  			break
 21161  		}
 21162  		y := or.Args[1]
 21163  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 21164  			break
 21165  		}
 21166  		b = mergePoint(b, x0, x1)
 21167  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 21168  		v.reset(OpCopy)
 21169  		v.AddArg(v0)
 21170  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 21171  		v1.AuxInt = j1
 21172  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 21173  		v2.AuxInt = i0
 21174  		v2.Aux = s
 21175  		v2.AddArg(p)
 21176  		v2.AddArg(idx)
 21177  		v2.AddArg(mem)
 21178  		v1.AddArg(v2)
 21179  		v0.AddArg(v1)
 21180  		v0.AddArg(y)
 21181  		return true
 21182  	}
 21183  	// match: (OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) or:(OR y s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem))))
 21184  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 21185  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 21186  	for {
 21187  		s0 := v.Args[0]
 21188  		if s0.Op != OpS390XSLDconst {
 21189  			break
 21190  		}
 21191  		j0 := s0.AuxInt
 21192  		x0 := s0.Args[0]
 21193  		if x0.Op != OpS390XMOVBZloadidx {
 21194  			break
 21195  		}
 21196  		i0 := x0.AuxInt
 21197  		s := x0.Aux
 21198  		p := x0.Args[0]
 21199  		idx := x0.Args[1]
 21200  		mem := x0.Args[2]
 21201  		or := v.Args[1]
 21202  		if or.Op != OpS390XOR {
 21203  			break
 21204  		}
 21205  		y := or.Args[0]
 21206  		s1 := or.Args[1]
 21207  		if s1.Op != OpS390XSLDconst {
 21208  			break
 21209  		}
 21210  		j1 := s1.AuxInt
 21211  		x1 := s1.Args[0]
 21212  		if x1.Op != OpS390XMOVBZloadidx {
 21213  			break
 21214  		}
 21215  		i1 := x1.AuxInt
 21216  		if x1.Aux != s {
 21217  			break
 21218  		}
 21219  		if p != x1.Args[0] {
 21220  			break
 21221  		}
 21222  		if idx != x1.Args[1] {
 21223  			break
 21224  		}
 21225  		if mem != x1.Args[2] {
 21226  			break
 21227  		}
 21228  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 21229  			break
 21230  		}
 21231  		b = mergePoint(b, x0, x1)
 21232  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 21233  		v.reset(OpCopy)
 21234  		v.AddArg(v0)
 21235  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 21236  		v1.AuxInt = j1
 21237  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 21238  		v2.AuxInt = i0
 21239  		v2.Aux = s
 21240  		v2.AddArg(p)
 21241  		v2.AddArg(idx)
 21242  		v2.AddArg(mem)
 21243  		v1.AddArg(v2)
 21244  		v0.AddArg(v1)
 21245  		v0.AddArg(y)
 21246  		return true
 21247  	}
 21248  	// match: (OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) or:(OR y s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem))))
 21249  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 21250  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 21251  	for {
 21252  		s0 := v.Args[0]
 21253  		if s0.Op != OpS390XSLDconst {
 21254  			break
 21255  		}
 21256  		j0 := s0.AuxInt
 21257  		x0 := s0.Args[0]
 21258  		if x0.Op != OpS390XMOVBZloadidx {
 21259  			break
 21260  		}
 21261  		i0 := x0.AuxInt
 21262  		s := x0.Aux
 21263  		idx := x0.Args[0]
 21264  		p := x0.Args[1]
 21265  		mem := x0.Args[2]
 21266  		or := v.Args[1]
 21267  		if or.Op != OpS390XOR {
 21268  			break
 21269  		}
 21270  		y := or.Args[0]
 21271  		s1 := or.Args[1]
 21272  		if s1.Op != OpS390XSLDconst {
 21273  			break
 21274  		}
 21275  		j1 := s1.AuxInt
 21276  		x1 := s1.Args[0]
 21277  		if x1.Op != OpS390XMOVBZloadidx {
 21278  			break
 21279  		}
 21280  		i1 := x1.AuxInt
 21281  		if x1.Aux != s {
 21282  			break
 21283  		}
 21284  		if p != x1.Args[0] {
 21285  			break
 21286  		}
 21287  		if idx != x1.Args[1] {
 21288  			break
 21289  		}
 21290  		if mem != x1.Args[2] {
 21291  			break
 21292  		}
 21293  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 21294  			break
 21295  		}
 21296  		b = mergePoint(b, x0, x1)
 21297  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 21298  		v.reset(OpCopy)
 21299  		v.AddArg(v0)
 21300  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 21301  		v1.AuxInt = j1
 21302  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 21303  		v2.AuxInt = i0
 21304  		v2.Aux = s
 21305  		v2.AddArg(p)
 21306  		v2.AddArg(idx)
 21307  		v2.AddArg(mem)
 21308  		v1.AddArg(v2)
 21309  		v0.AddArg(v1)
 21310  		v0.AddArg(y)
 21311  		return true
 21312  	}
 21313  	// match: (OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) or:(OR y s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem))))
 21314  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 21315  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 21316  	for {
 21317  		s0 := v.Args[0]
 21318  		if s0.Op != OpS390XSLDconst {
 21319  			break
 21320  		}
 21321  		j0 := s0.AuxInt
 21322  		x0 := s0.Args[0]
 21323  		if x0.Op != OpS390XMOVBZloadidx {
 21324  			break
 21325  		}
 21326  		i0 := x0.AuxInt
 21327  		s := x0.Aux
 21328  		p := x0.Args[0]
 21329  		idx := x0.Args[1]
 21330  		mem := x0.Args[2]
 21331  		or := v.Args[1]
 21332  		if or.Op != OpS390XOR {
 21333  			break
 21334  		}
 21335  		y := or.Args[0]
 21336  		s1 := or.Args[1]
 21337  		if s1.Op != OpS390XSLDconst {
 21338  			break
 21339  		}
 21340  		j1 := s1.AuxInt
 21341  		x1 := s1.Args[0]
 21342  		if x1.Op != OpS390XMOVBZloadidx {
 21343  			break
 21344  		}
 21345  		i1 := x1.AuxInt
 21346  		if x1.Aux != s {
 21347  			break
 21348  		}
 21349  		if idx != x1.Args[0] {
 21350  			break
 21351  		}
 21352  		if p != x1.Args[1] {
 21353  			break
 21354  		}
 21355  		if mem != x1.Args[2] {
 21356  			break
 21357  		}
 21358  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 21359  			break
 21360  		}
 21361  		b = mergePoint(b, x0, x1)
 21362  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 21363  		v.reset(OpCopy)
 21364  		v.AddArg(v0)
 21365  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 21366  		v1.AuxInt = j1
 21367  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 21368  		v2.AuxInt = i0
 21369  		v2.Aux = s
 21370  		v2.AddArg(p)
 21371  		v2.AddArg(idx)
 21372  		v2.AddArg(mem)
 21373  		v1.AddArg(v2)
 21374  		v0.AddArg(v1)
 21375  		v0.AddArg(y)
 21376  		return true
 21377  	}
 21378  	// match: (OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) or:(OR y s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem))))
 21379  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 21380  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 21381  	for {
 21382  		s0 := v.Args[0]
 21383  		if s0.Op != OpS390XSLDconst {
 21384  			break
 21385  		}
 21386  		j0 := s0.AuxInt
 21387  		x0 := s0.Args[0]
 21388  		if x0.Op != OpS390XMOVBZloadidx {
 21389  			break
 21390  		}
 21391  		i0 := x0.AuxInt
 21392  		s := x0.Aux
 21393  		idx := x0.Args[0]
 21394  		p := x0.Args[1]
 21395  		mem := x0.Args[2]
 21396  		or := v.Args[1]
 21397  		if or.Op != OpS390XOR {
 21398  			break
 21399  		}
 21400  		y := or.Args[0]
 21401  		s1 := or.Args[1]
 21402  		if s1.Op != OpS390XSLDconst {
 21403  			break
 21404  		}
 21405  		j1 := s1.AuxInt
 21406  		x1 := s1.Args[0]
 21407  		if x1.Op != OpS390XMOVBZloadidx {
 21408  			break
 21409  		}
 21410  		i1 := x1.AuxInt
 21411  		if x1.Aux != s {
 21412  			break
 21413  		}
 21414  		if idx != x1.Args[0] {
 21415  			break
 21416  		}
 21417  		if p != x1.Args[1] {
 21418  			break
 21419  		}
 21420  		if mem != x1.Args[2] {
 21421  			break
 21422  		}
 21423  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 21424  			break
 21425  		}
 21426  		b = mergePoint(b, x0, x1)
 21427  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 21428  		v.reset(OpCopy)
 21429  		v.AddArg(v0)
 21430  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 21431  		v1.AuxInt = j1
 21432  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 21433  		v2.AuxInt = i0
 21434  		v2.Aux = s
 21435  		v2.AddArg(p)
 21436  		v2.AddArg(idx)
 21437  		v2.AddArg(mem)
 21438  		v1.AddArg(v2)
 21439  		v0.AddArg(v1)
 21440  		v0.AddArg(y)
 21441  		return true
 21442  	}
 21443  	// match: (OR or:(OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) y) s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)))
 21444  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 21445  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 21446  	for {
 21447  		or := v.Args[0]
 21448  		if or.Op != OpS390XOR {
 21449  			break
 21450  		}
 21451  		s1 := or.Args[0]
 21452  		if s1.Op != OpS390XSLDconst {
 21453  			break
 21454  		}
 21455  		j1 := s1.AuxInt
 21456  		x1 := s1.Args[0]
 21457  		if x1.Op != OpS390XMOVBZloadidx {
 21458  			break
 21459  		}
 21460  		i1 := x1.AuxInt
 21461  		s := x1.Aux
 21462  		p := x1.Args[0]
 21463  		idx := x1.Args[1]
 21464  		mem := x1.Args[2]
 21465  		y := or.Args[1]
 21466  		s0 := v.Args[1]
 21467  		if s0.Op != OpS390XSLDconst {
 21468  			break
 21469  		}
 21470  		j0 := s0.AuxInt
 21471  		x0 := s0.Args[0]
 21472  		if x0.Op != OpS390XMOVBZloadidx {
 21473  			break
 21474  		}
 21475  		i0 := x0.AuxInt
 21476  		if x0.Aux != s {
 21477  			break
 21478  		}
 21479  		if p != x0.Args[0] {
 21480  			break
 21481  		}
 21482  		if idx != x0.Args[1] {
 21483  			break
 21484  		}
 21485  		if mem != x0.Args[2] {
 21486  			break
 21487  		}
 21488  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 21489  			break
 21490  		}
 21491  		b = mergePoint(b, x0, x1)
 21492  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 21493  		v.reset(OpCopy)
 21494  		v.AddArg(v0)
 21495  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 21496  		v1.AuxInt = j1
 21497  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 21498  		v2.AuxInt = i0
 21499  		v2.Aux = s
 21500  		v2.AddArg(p)
 21501  		v2.AddArg(idx)
 21502  		v2.AddArg(mem)
 21503  		v1.AddArg(v2)
 21504  		v0.AddArg(v1)
 21505  		v0.AddArg(y)
 21506  		return true
 21507  	}
 21508  	// match: (OR or:(OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) y) s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)))
 21509  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 21510  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 21511  	for {
 21512  		or := v.Args[0]
 21513  		if or.Op != OpS390XOR {
 21514  			break
 21515  		}
 21516  		s1 := or.Args[0]
 21517  		if s1.Op != OpS390XSLDconst {
 21518  			break
 21519  		}
 21520  		j1 := s1.AuxInt
 21521  		x1 := s1.Args[0]
 21522  		if x1.Op != OpS390XMOVBZloadidx {
 21523  			break
 21524  		}
 21525  		i1 := x1.AuxInt
 21526  		s := x1.Aux
 21527  		idx := x1.Args[0]
 21528  		p := x1.Args[1]
 21529  		mem := x1.Args[2]
 21530  		y := or.Args[1]
 21531  		s0 := v.Args[1]
 21532  		if s0.Op != OpS390XSLDconst {
 21533  			break
 21534  		}
 21535  		j0 := s0.AuxInt
 21536  		x0 := s0.Args[0]
 21537  		if x0.Op != OpS390XMOVBZloadidx {
 21538  			break
 21539  		}
 21540  		i0 := x0.AuxInt
 21541  		if x0.Aux != s {
 21542  			break
 21543  		}
 21544  		if p != x0.Args[0] {
 21545  			break
 21546  		}
 21547  		if idx != x0.Args[1] {
 21548  			break
 21549  		}
 21550  		if mem != x0.Args[2] {
 21551  			break
 21552  		}
 21553  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 21554  			break
 21555  		}
 21556  		b = mergePoint(b, x0, x1)
 21557  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 21558  		v.reset(OpCopy)
 21559  		v.AddArg(v0)
 21560  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 21561  		v1.AuxInt = j1
 21562  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 21563  		v2.AuxInt = i0
 21564  		v2.Aux = s
 21565  		v2.AddArg(p)
 21566  		v2.AddArg(idx)
 21567  		v2.AddArg(mem)
 21568  		v1.AddArg(v2)
 21569  		v0.AddArg(v1)
 21570  		v0.AddArg(y)
 21571  		return true
 21572  	}
 21573  	// match: (OR or:(OR y s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem))) s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)))
 21574  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 21575  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 21576  	for {
 21577  		or := v.Args[0]
 21578  		if or.Op != OpS390XOR {
 21579  			break
 21580  		}
 21581  		y := or.Args[0]
 21582  		s1 := or.Args[1]
 21583  		if s1.Op != OpS390XSLDconst {
 21584  			break
 21585  		}
 21586  		j1 := s1.AuxInt
 21587  		x1 := s1.Args[0]
 21588  		if x1.Op != OpS390XMOVBZloadidx {
 21589  			break
 21590  		}
 21591  		i1 := x1.AuxInt
 21592  		s := x1.Aux
 21593  		p := x1.Args[0]
 21594  		idx := x1.Args[1]
 21595  		mem := x1.Args[2]
 21596  		s0 := v.Args[1]
 21597  		if s0.Op != OpS390XSLDconst {
 21598  			break
 21599  		}
 21600  		j0 := s0.AuxInt
 21601  		x0 := s0.Args[0]
 21602  		if x0.Op != OpS390XMOVBZloadidx {
 21603  			break
 21604  		}
 21605  		i0 := x0.AuxInt
 21606  		if x0.Aux != s {
 21607  			break
 21608  		}
 21609  		if p != x0.Args[0] {
 21610  			break
 21611  		}
 21612  		if idx != x0.Args[1] {
 21613  			break
 21614  		}
 21615  		if mem != x0.Args[2] {
 21616  			break
 21617  		}
 21618  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 21619  			break
 21620  		}
 21621  		b = mergePoint(b, x0, x1)
 21622  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 21623  		v.reset(OpCopy)
 21624  		v.AddArg(v0)
 21625  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 21626  		v1.AuxInt = j1
 21627  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 21628  		v2.AuxInt = i0
 21629  		v2.Aux = s
 21630  		v2.AddArg(p)
 21631  		v2.AddArg(idx)
 21632  		v2.AddArg(mem)
 21633  		v1.AddArg(v2)
 21634  		v0.AddArg(v1)
 21635  		v0.AddArg(y)
 21636  		return true
 21637  	}
 21638  	// match: (OR or:(OR y s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem))) s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)))
 21639  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 21640  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 21641  	for {
 21642  		or := v.Args[0]
 21643  		if or.Op != OpS390XOR {
 21644  			break
 21645  		}
 21646  		y := or.Args[0]
 21647  		s1 := or.Args[1]
 21648  		if s1.Op != OpS390XSLDconst {
 21649  			break
 21650  		}
 21651  		j1 := s1.AuxInt
 21652  		x1 := s1.Args[0]
 21653  		if x1.Op != OpS390XMOVBZloadidx {
 21654  			break
 21655  		}
 21656  		i1 := x1.AuxInt
 21657  		s := x1.Aux
 21658  		idx := x1.Args[0]
 21659  		p := x1.Args[1]
 21660  		mem := x1.Args[2]
 21661  		s0 := v.Args[1]
 21662  		if s0.Op != OpS390XSLDconst {
 21663  			break
 21664  		}
 21665  		j0 := s0.AuxInt
 21666  		x0 := s0.Args[0]
 21667  		if x0.Op != OpS390XMOVBZloadidx {
 21668  			break
 21669  		}
 21670  		i0 := x0.AuxInt
 21671  		if x0.Aux != s {
 21672  			break
 21673  		}
 21674  		if p != x0.Args[0] {
 21675  			break
 21676  		}
 21677  		if idx != x0.Args[1] {
 21678  			break
 21679  		}
 21680  		if mem != x0.Args[2] {
 21681  			break
 21682  		}
 21683  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 21684  			break
 21685  		}
 21686  		b = mergePoint(b, x0, x1)
 21687  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 21688  		v.reset(OpCopy)
 21689  		v.AddArg(v0)
 21690  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 21691  		v1.AuxInt = j1
 21692  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 21693  		v2.AuxInt = i0
 21694  		v2.Aux = s
 21695  		v2.AddArg(p)
 21696  		v2.AddArg(idx)
 21697  		v2.AddArg(mem)
 21698  		v1.AddArg(v2)
 21699  		v0.AddArg(v1)
 21700  		v0.AddArg(y)
 21701  		return true
 21702  	}
 21703  	// match: (OR or:(OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) y) s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)))
 21704  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 21705  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 21706  	for {
 21707  		or := v.Args[0]
 21708  		if or.Op != OpS390XOR {
 21709  			break
 21710  		}
 21711  		s1 := or.Args[0]
 21712  		if s1.Op != OpS390XSLDconst {
 21713  			break
 21714  		}
 21715  		j1 := s1.AuxInt
 21716  		x1 := s1.Args[0]
 21717  		if x1.Op != OpS390XMOVBZloadidx {
 21718  			break
 21719  		}
 21720  		i1 := x1.AuxInt
 21721  		s := x1.Aux
 21722  		p := x1.Args[0]
 21723  		idx := x1.Args[1]
 21724  		mem := x1.Args[2]
 21725  		y := or.Args[1]
 21726  		s0 := v.Args[1]
 21727  		if s0.Op != OpS390XSLDconst {
 21728  			break
 21729  		}
 21730  		j0 := s0.AuxInt
 21731  		x0 := s0.Args[0]
 21732  		if x0.Op != OpS390XMOVBZloadidx {
 21733  			break
 21734  		}
 21735  		i0 := x0.AuxInt
 21736  		if x0.Aux != s {
 21737  			break
 21738  		}
 21739  		if idx != x0.Args[0] {
 21740  			break
 21741  		}
 21742  		if p != x0.Args[1] {
 21743  			break
 21744  		}
 21745  		if mem != x0.Args[2] {
 21746  			break
 21747  		}
 21748  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 21749  			break
 21750  		}
 21751  		b = mergePoint(b, x0, x1)
 21752  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 21753  		v.reset(OpCopy)
 21754  		v.AddArg(v0)
 21755  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 21756  		v1.AuxInt = j1
 21757  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 21758  		v2.AuxInt = i0
 21759  		v2.Aux = s
 21760  		v2.AddArg(p)
 21761  		v2.AddArg(idx)
 21762  		v2.AddArg(mem)
 21763  		v1.AddArg(v2)
 21764  		v0.AddArg(v1)
 21765  		v0.AddArg(y)
 21766  		return true
 21767  	}
 21768  	// match: (OR or:(OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) y) s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)))
 21769  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 21770  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 21771  	for {
 21772  		or := v.Args[0]
 21773  		if or.Op != OpS390XOR {
 21774  			break
 21775  		}
 21776  		s1 := or.Args[0]
 21777  		if s1.Op != OpS390XSLDconst {
 21778  			break
 21779  		}
 21780  		j1 := s1.AuxInt
 21781  		x1 := s1.Args[0]
 21782  		if x1.Op != OpS390XMOVBZloadidx {
 21783  			break
 21784  		}
 21785  		i1 := x1.AuxInt
 21786  		s := x1.Aux
 21787  		idx := x1.Args[0]
 21788  		p := x1.Args[1]
 21789  		mem := x1.Args[2]
 21790  		y := or.Args[1]
 21791  		s0 := v.Args[1]
 21792  		if s0.Op != OpS390XSLDconst {
 21793  			break
 21794  		}
 21795  		j0 := s0.AuxInt
 21796  		x0 := s0.Args[0]
 21797  		if x0.Op != OpS390XMOVBZloadidx {
 21798  			break
 21799  		}
 21800  		i0 := x0.AuxInt
 21801  		if x0.Aux != s {
 21802  			break
 21803  		}
 21804  		if idx != x0.Args[0] {
 21805  			break
 21806  		}
 21807  		if p != x0.Args[1] {
 21808  			break
 21809  		}
 21810  		if mem != x0.Args[2] {
 21811  			break
 21812  		}
 21813  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 21814  			break
 21815  		}
 21816  		b = mergePoint(b, x0, x1)
 21817  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 21818  		v.reset(OpCopy)
 21819  		v.AddArg(v0)
 21820  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 21821  		v1.AuxInt = j1
 21822  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 21823  		v2.AuxInt = i0
 21824  		v2.Aux = s
 21825  		v2.AddArg(p)
 21826  		v2.AddArg(idx)
 21827  		v2.AddArg(mem)
 21828  		v1.AddArg(v2)
 21829  		v0.AddArg(v1)
 21830  		v0.AddArg(y)
 21831  		return true
 21832  	}
 21833  	// match: (OR or:(OR y s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem))) s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)))
 21834  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 21835  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 21836  	for {
 21837  		or := v.Args[0]
 21838  		if or.Op != OpS390XOR {
 21839  			break
 21840  		}
 21841  		y := or.Args[0]
 21842  		s1 := or.Args[1]
 21843  		if s1.Op != OpS390XSLDconst {
 21844  			break
 21845  		}
 21846  		j1 := s1.AuxInt
 21847  		x1 := s1.Args[0]
 21848  		if x1.Op != OpS390XMOVBZloadidx {
 21849  			break
 21850  		}
 21851  		i1 := x1.AuxInt
 21852  		s := x1.Aux
 21853  		p := x1.Args[0]
 21854  		idx := x1.Args[1]
 21855  		mem := x1.Args[2]
 21856  		s0 := v.Args[1]
 21857  		if s0.Op != OpS390XSLDconst {
 21858  			break
 21859  		}
 21860  		j0 := s0.AuxInt
 21861  		x0 := s0.Args[0]
 21862  		if x0.Op != OpS390XMOVBZloadidx {
 21863  			break
 21864  		}
 21865  		i0 := x0.AuxInt
 21866  		if x0.Aux != s {
 21867  			break
 21868  		}
 21869  		if idx != x0.Args[0] {
 21870  			break
 21871  		}
 21872  		if p != x0.Args[1] {
 21873  			break
 21874  		}
 21875  		if mem != x0.Args[2] {
 21876  			break
 21877  		}
 21878  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 21879  			break
 21880  		}
 21881  		b = mergePoint(b, x0, x1)
 21882  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 21883  		v.reset(OpCopy)
 21884  		v.AddArg(v0)
 21885  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 21886  		v1.AuxInt = j1
 21887  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 21888  		v2.AuxInt = i0
 21889  		v2.Aux = s
 21890  		v2.AddArg(p)
 21891  		v2.AddArg(idx)
 21892  		v2.AddArg(mem)
 21893  		v1.AddArg(v2)
 21894  		v0.AddArg(v1)
 21895  		v0.AddArg(y)
 21896  		return true
 21897  	}
 21898  	// match: (OR or:(OR y s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem))) s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)))
 21899  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 21900  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 21901  	for {
 21902  		or := v.Args[0]
 21903  		if or.Op != OpS390XOR {
 21904  			break
 21905  		}
 21906  		y := or.Args[0]
 21907  		s1 := or.Args[1]
 21908  		if s1.Op != OpS390XSLDconst {
 21909  			break
 21910  		}
 21911  		j1 := s1.AuxInt
 21912  		x1 := s1.Args[0]
 21913  		if x1.Op != OpS390XMOVBZloadidx {
 21914  			break
 21915  		}
 21916  		i1 := x1.AuxInt
 21917  		s := x1.Aux
 21918  		idx := x1.Args[0]
 21919  		p := x1.Args[1]
 21920  		mem := x1.Args[2]
 21921  		s0 := v.Args[1]
 21922  		if s0.Op != OpS390XSLDconst {
 21923  			break
 21924  		}
 21925  		j0 := s0.AuxInt
 21926  		x0 := s0.Args[0]
 21927  		if x0.Op != OpS390XMOVBZloadidx {
 21928  			break
 21929  		}
 21930  		i0 := x0.AuxInt
 21931  		if x0.Aux != s {
 21932  			break
 21933  		}
 21934  		if idx != x0.Args[0] {
 21935  			break
 21936  		}
 21937  		if p != x0.Args[1] {
 21938  			break
 21939  		}
 21940  		if mem != x0.Args[2] {
 21941  			break
 21942  		}
 21943  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 21944  			break
 21945  		}
 21946  		b = mergePoint(b, x0, x1)
 21947  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 21948  		v.reset(OpCopy)
 21949  		v.AddArg(v0)
 21950  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 21951  		v1.AuxInt = j1
 21952  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 21953  		v2.AuxInt = i0
 21954  		v2.Aux = s
 21955  		v2.AddArg(p)
 21956  		v2.AddArg(idx)
 21957  		v2.AddArg(mem)
 21958  		v1.AddArg(v2)
 21959  		v0.AddArg(v1)
 21960  		v0.AddArg(y)
 21961  		return true
 21962  	}
 21963  	// match: (OR s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} p idx mem)) or:(OR s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} p idx mem)) y))
 21964  	// cond: i1 == i0+2   && j1 == j0-16   && j1 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 21965  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 21966  	for {
 21967  		s0 := v.Args[0]
 21968  		if s0.Op != OpS390XSLDconst {
 21969  			break
 21970  		}
 21971  		j0 := s0.AuxInt
 21972  		x0 := s0.Args[0]
 21973  		if x0.Op != OpS390XMOVHZloadidx {
 21974  			break
 21975  		}
 21976  		i0 := x0.AuxInt
 21977  		s := x0.Aux
 21978  		p := x0.Args[0]
 21979  		idx := x0.Args[1]
 21980  		mem := x0.Args[2]
 21981  		or := v.Args[1]
 21982  		if or.Op != OpS390XOR {
 21983  			break
 21984  		}
 21985  		s1 := or.Args[0]
 21986  		if s1.Op != OpS390XSLDconst {
 21987  			break
 21988  		}
 21989  		j1 := s1.AuxInt
 21990  		x1 := s1.Args[0]
 21991  		if x1.Op != OpS390XMOVHZloadidx {
 21992  			break
 21993  		}
 21994  		i1 := x1.AuxInt
 21995  		if x1.Aux != s {
 21996  			break
 21997  		}
 21998  		if p != x1.Args[0] {
 21999  			break
 22000  		}
 22001  		if idx != x1.Args[1] {
 22002  			break
 22003  		}
 22004  		if mem != x1.Args[2] {
 22005  			break
 22006  		}
 22007  		y := or.Args[1]
 22008  		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 22009  			break
 22010  		}
 22011  		b = mergePoint(b, x0, x1)
 22012  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 22013  		v.reset(OpCopy)
 22014  		v.AddArg(v0)
 22015  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 22016  		v1.AuxInt = j1
 22017  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 22018  		v2.AuxInt = i0
 22019  		v2.Aux = s
 22020  		v2.AddArg(p)
 22021  		v2.AddArg(idx)
 22022  		v2.AddArg(mem)
 22023  		v1.AddArg(v2)
 22024  		v0.AddArg(v1)
 22025  		v0.AddArg(y)
 22026  		return true
 22027  	}
 22028  	// match: (OR s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} idx p mem)) or:(OR s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} p idx mem)) y))
 22029  	// cond: i1 == i0+2   && j1 == j0-16   && j1 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 22030  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 22031  	for {
 22032  		s0 := v.Args[0]
 22033  		if s0.Op != OpS390XSLDconst {
 22034  			break
 22035  		}
 22036  		j0 := s0.AuxInt
 22037  		x0 := s0.Args[0]
 22038  		if x0.Op != OpS390XMOVHZloadidx {
 22039  			break
 22040  		}
 22041  		i0 := x0.AuxInt
 22042  		s := x0.Aux
 22043  		idx := x0.Args[0]
 22044  		p := x0.Args[1]
 22045  		mem := x0.Args[2]
 22046  		or := v.Args[1]
 22047  		if or.Op != OpS390XOR {
 22048  			break
 22049  		}
 22050  		s1 := or.Args[0]
 22051  		if s1.Op != OpS390XSLDconst {
 22052  			break
 22053  		}
 22054  		j1 := s1.AuxInt
 22055  		x1 := s1.Args[0]
 22056  		if x1.Op != OpS390XMOVHZloadidx {
 22057  			break
 22058  		}
 22059  		i1 := x1.AuxInt
 22060  		if x1.Aux != s {
 22061  			break
 22062  		}
 22063  		if p != x1.Args[0] {
 22064  			break
 22065  		}
 22066  		if idx != x1.Args[1] {
 22067  			break
 22068  		}
 22069  		if mem != x1.Args[2] {
 22070  			break
 22071  		}
 22072  		y := or.Args[1]
 22073  		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 22074  			break
 22075  		}
 22076  		b = mergePoint(b, x0, x1)
 22077  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 22078  		v.reset(OpCopy)
 22079  		v.AddArg(v0)
 22080  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 22081  		v1.AuxInt = j1
 22082  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 22083  		v2.AuxInt = i0
 22084  		v2.Aux = s
 22085  		v2.AddArg(p)
 22086  		v2.AddArg(idx)
 22087  		v2.AddArg(mem)
 22088  		v1.AddArg(v2)
 22089  		v0.AddArg(v1)
 22090  		v0.AddArg(y)
 22091  		return true
 22092  	}
 22093  	// match: (OR s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} p idx mem)) or:(OR s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} idx p mem)) y))
 22094  	// cond: i1 == i0+2   && j1 == j0-16   && j1 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 22095  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 22096  	for {
 22097  		s0 := v.Args[0]
 22098  		if s0.Op != OpS390XSLDconst {
 22099  			break
 22100  		}
 22101  		j0 := s0.AuxInt
 22102  		x0 := s0.Args[0]
 22103  		if x0.Op != OpS390XMOVHZloadidx {
 22104  			break
 22105  		}
 22106  		i0 := x0.AuxInt
 22107  		s := x0.Aux
 22108  		p := x0.Args[0]
 22109  		idx := x0.Args[1]
 22110  		mem := x0.Args[2]
 22111  		or := v.Args[1]
 22112  		if or.Op != OpS390XOR {
 22113  			break
 22114  		}
 22115  		s1 := or.Args[0]
 22116  		if s1.Op != OpS390XSLDconst {
 22117  			break
 22118  		}
 22119  		j1 := s1.AuxInt
 22120  		x1 := s1.Args[0]
 22121  		if x1.Op != OpS390XMOVHZloadidx {
 22122  			break
 22123  		}
 22124  		i1 := x1.AuxInt
 22125  		if x1.Aux != s {
 22126  			break
 22127  		}
 22128  		if idx != x1.Args[0] {
 22129  			break
 22130  		}
 22131  		if p != x1.Args[1] {
 22132  			break
 22133  		}
 22134  		if mem != x1.Args[2] {
 22135  			break
 22136  		}
 22137  		y := or.Args[1]
 22138  		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 22139  			break
 22140  		}
 22141  		b = mergePoint(b, x0, x1)
 22142  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 22143  		v.reset(OpCopy)
 22144  		v.AddArg(v0)
 22145  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 22146  		v1.AuxInt = j1
 22147  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 22148  		v2.AuxInt = i0
 22149  		v2.Aux = s
 22150  		v2.AddArg(p)
 22151  		v2.AddArg(idx)
 22152  		v2.AddArg(mem)
 22153  		v1.AddArg(v2)
 22154  		v0.AddArg(v1)
 22155  		v0.AddArg(y)
 22156  		return true
 22157  	}
 22158  	// match: (OR s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} idx p mem)) or:(OR s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} idx p mem)) y))
 22159  	// cond: i1 == i0+2   && j1 == j0-16   && j1 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 22160  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 22161  	for {
 22162  		s0 := v.Args[0]
 22163  		if s0.Op != OpS390XSLDconst {
 22164  			break
 22165  		}
 22166  		j0 := s0.AuxInt
 22167  		x0 := s0.Args[0]
 22168  		if x0.Op != OpS390XMOVHZloadidx {
 22169  			break
 22170  		}
 22171  		i0 := x0.AuxInt
 22172  		s := x0.Aux
 22173  		idx := x0.Args[0]
 22174  		p := x0.Args[1]
 22175  		mem := x0.Args[2]
 22176  		or := v.Args[1]
 22177  		if or.Op != OpS390XOR {
 22178  			break
 22179  		}
 22180  		s1 := or.Args[0]
 22181  		if s1.Op != OpS390XSLDconst {
 22182  			break
 22183  		}
 22184  		j1 := s1.AuxInt
 22185  		x1 := s1.Args[0]
 22186  		if x1.Op != OpS390XMOVHZloadidx {
 22187  			break
 22188  		}
 22189  		i1 := x1.AuxInt
 22190  		if x1.Aux != s {
 22191  			break
 22192  		}
 22193  		if idx != x1.Args[0] {
 22194  			break
 22195  		}
 22196  		if p != x1.Args[1] {
 22197  			break
 22198  		}
 22199  		if mem != x1.Args[2] {
 22200  			break
 22201  		}
 22202  		y := or.Args[1]
 22203  		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 22204  			break
 22205  		}
 22206  		b = mergePoint(b, x0, x1)
 22207  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 22208  		v.reset(OpCopy)
 22209  		v.AddArg(v0)
 22210  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 22211  		v1.AuxInt = j1
 22212  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 22213  		v2.AuxInt = i0
 22214  		v2.Aux = s
 22215  		v2.AddArg(p)
 22216  		v2.AddArg(idx)
 22217  		v2.AddArg(mem)
 22218  		v1.AddArg(v2)
 22219  		v0.AddArg(v1)
 22220  		v0.AddArg(y)
 22221  		return true
 22222  	}
 22223  	// match: (OR s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} p idx mem)) or:(OR y s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} p idx mem))))
 22224  	// cond: i1 == i0+2   && j1 == j0-16   && j1 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 22225  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 22226  	for {
 22227  		s0 := v.Args[0]
 22228  		if s0.Op != OpS390XSLDconst {
 22229  			break
 22230  		}
 22231  		j0 := s0.AuxInt
 22232  		x0 := s0.Args[0]
 22233  		if x0.Op != OpS390XMOVHZloadidx {
 22234  			break
 22235  		}
 22236  		i0 := x0.AuxInt
 22237  		s := x0.Aux
 22238  		p := x0.Args[0]
 22239  		idx := x0.Args[1]
 22240  		mem := x0.Args[2]
 22241  		or := v.Args[1]
 22242  		if or.Op != OpS390XOR {
 22243  			break
 22244  		}
 22245  		y := or.Args[0]
 22246  		s1 := or.Args[1]
 22247  		if s1.Op != OpS390XSLDconst {
 22248  			break
 22249  		}
 22250  		j1 := s1.AuxInt
 22251  		x1 := s1.Args[0]
 22252  		if x1.Op != OpS390XMOVHZloadidx {
 22253  			break
 22254  		}
 22255  		i1 := x1.AuxInt
 22256  		if x1.Aux != s {
 22257  			break
 22258  		}
 22259  		if p != x1.Args[0] {
 22260  			break
 22261  		}
 22262  		if idx != x1.Args[1] {
 22263  			break
 22264  		}
 22265  		if mem != x1.Args[2] {
 22266  			break
 22267  		}
 22268  		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 22269  			break
 22270  		}
 22271  		b = mergePoint(b, x0, x1)
 22272  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 22273  		v.reset(OpCopy)
 22274  		v.AddArg(v0)
 22275  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 22276  		v1.AuxInt = j1
 22277  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 22278  		v2.AuxInt = i0
 22279  		v2.Aux = s
 22280  		v2.AddArg(p)
 22281  		v2.AddArg(idx)
 22282  		v2.AddArg(mem)
 22283  		v1.AddArg(v2)
 22284  		v0.AddArg(v1)
 22285  		v0.AddArg(y)
 22286  		return true
 22287  	}
 22288  	// match: (OR s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} idx p mem)) or:(OR y s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} p idx mem))))
 22289  	// cond: i1 == i0+2   && j1 == j0-16   && j1 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 22290  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 22291  	for {
 22292  		s0 := v.Args[0]
 22293  		if s0.Op != OpS390XSLDconst {
 22294  			break
 22295  		}
 22296  		j0 := s0.AuxInt
 22297  		x0 := s0.Args[0]
 22298  		if x0.Op != OpS390XMOVHZloadidx {
 22299  			break
 22300  		}
 22301  		i0 := x0.AuxInt
 22302  		s := x0.Aux
 22303  		idx := x0.Args[0]
 22304  		p := x0.Args[1]
 22305  		mem := x0.Args[2]
 22306  		or := v.Args[1]
 22307  		if or.Op != OpS390XOR {
 22308  			break
 22309  		}
 22310  		y := or.Args[0]
 22311  		s1 := or.Args[1]
 22312  		if s1.Op != OpS390XSLDconst {
 22313  			break
 22314  		}
 22315  		j1 := s1.AuxInt
 22316  		x1 := s1.Args[0]
 22317  		if x1.Op != OpS390XMOVHZloadidx {
 22318  			break
 22319  		}
 22320  		i1 := x1.AuxInt
 22321  		if x1.Aux != s {
 22322  			break
 22323  		}
 22324  		if p != x1.Args[0] {
 22325  			break
 22326  		}
 22327  		if idx != x1.Args[1] {
 22328  			break
 22329  		}
 22330  		if mem != x1.Args[2] {
 22331  			break
 22332  		}
 22333  		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 22334  			break
 22335  		}
 22336  		b = mergePoint(b, x0, x1)
 22337  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 22338  		v.reset(OpCopy)
 22339  		v.AddArg(v0)
 22340  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 22341  		v1.AuxInt = j1
 22342  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 22343  		v2.AuxInt = i0
 22344  		v2.Aux = s
 22345  		v2.AddArg(p)
 22346  		v2.AddArg(idx)
 22347  		v2.AddArg(mem)
 22348  		v1.AddArg(v2)
 22349  		v0.AddArg(v1)
 22350  		v0.AddArg(y)
 22351  		return true
 22352  	}
 22353  	// match: (OR s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} p idx mem)) or:(OR y s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} idx p mem))))
 22354  	// cond: i1 == i0+2   && j1 == j0-16   && j1 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 22355  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 22356  	for {
 22357  		s0 := v.Args[0]
 22358  		if s0.Op != OpS390XSLDconst {
 22359  			break
 22360  		}
 22361  		j0 := s0.AuxInt
 22362  		x0 := s0.Args[0]
 22363  		if x0.Op != OpS390XMOVHZloadidx {
 22364  			break
 22365  		}
 22366  		i0 := x0.AuxInt
 22367  		s := x0.Aux
 22368  		p := x0.Args[0]
 22369  		idx := x0.Args[1]
 22370  		mem := x0.Args[2]
 22371  		or := v.Args[1]
 22372  		if or.Op != OpS390XOR {
 22373  			break
 22374  		}
 22375  		y := or.Args[0]
 22376  		s1 := or.Args[1]
 22377  		if s1.Op != OpS390XSLDconst {
 22378  			break
 22379  		}
 22380  		j1 := s1.AuxInt
 22381  		x1 := s1.Args[0]
 22382  		if x1.Op != OpS390XMOVHZloadidx {
 22383  			break
 22384  		}
 22385  		i1 := x1.AuxInt
 22386  		if x1.Aux != s {
 22387  			break
 22388  		}
 22389  		if idx != x1.Args[0] {
 22390  			break
 22391  		}
 22392  		if p != x1.Args[1] {
 22393  			break
 22394  		}
 22395  		if mem != x1.Args[2] {
 22396  			break
 22397  		}
 22398  		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 22399  			break
 22400  		}
 22401  		b = mergePoint(b, x0, x1)
 22402  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 22403  		v.reset(OpCopy)
 22404  		v.AddArg(v0)
 22405  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 22406  		v1.AuxInt = j1
 22407  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 22408  		v2.AuxInt = i0
 22409  		v2.Aux = s
 22410  		v2.AddArg(p)
 22411  		v2.AddArg(idx)
 22412  		v2.AddArg(mem)
 22413  		v1.AddArg(v2)
 22414  		v0.AddArg(v1)
 22415  		v0.AddArg(y)
 22416  		return true
 22417  	}
 22418  	// match: (OR s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} idx p mem)) or:(OR y s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} idx p mem))))
 22419  	// cond: i1 == i0+2   && j1 == j0-16   && j1 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 22420  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 22421  	for {
 22422  		s0 := v.Args[0]
 22423  		if s0.Op != OpS390XSLDconst {
 22424  			break
 22425  		}
 22426  		j0 := s0.AuxInt
 22427  		x0 := s0.Args[0]
 22428  		if x0.Op != OpS390XMOVHZloadidx {
 22429  			break
 22430  		}
 22431  		i0 := x0.AuxInt
 22432  		s := x0.Aux
 22433  		idx := x0.Args[0]
 22434  		p := x0.Args[1]
 22435  		mem := x0.Args[2]
 22436  		or := v.Args[1]
 22437  		if or.Op != OpS390XOR {
 22438  			break
 22439  		}
 22440  		y := or.Args[0]
 22441  		s1 := or.Args[1]
 22442  		if s1.Op != OpS390XSLDconst {
 22443  			break
 22444  		}
 22445  		j1 := s1.AuxInt
 22446  		x1 := s1.Args[0]
 22447  		if x1.Op != OpS390XMOVHZloadidx {
 22448  			break
 22449  		}
 22450  		i1 := x1.AuxInt
 22451  		if x1.Aux != s {
 22452  			break
 22453  		}
 22454  		if idx != x1.Args[0] {
 22455  			break
 22456  		}
 22457  		if p != x1.Args[1] {
 22458  			break
 22459  		}
 22460  		if mem != x1.Args[2] {
 22461  			break
 22462  		}
 22463  		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 22464  			break
 22465  		}
 22466  		b = mergePoint(b, x0, x1)
 22467  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 22468  		v.reset(OpCopy)
 22469  		v.AddArg(v0)
 22470  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 22471  		v1.AuxInt = j1
 22472  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 22473  		v2.AuxInt = i0
 22474  		v2.Aux = s
 22475  		v2.AddArg(p)
 22476  		v2.AddArg(idx)
 22477  		v2.AddArg(mem)
 22478  		v1.AddArg(v2)
 22479  		v0.AddArg(v1)
 22480  		v0.AddArg(y)
 22481  		return true
 22482  	}
 22483  	// match: (OR or:(OR s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} p idx mem)) y) s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} p idx mem)))
 22484  	// cond: i1 == i0+2   && j1 == j0-16   && j1 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 22485  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 22486  	for {
 22487  		or := v.Args[0]
 22488  		if or.Op != OpS390XOR {
 22489  			break
 22490  		}
 22491  		s1 := or.Args[0]
 22492  		if s1.Op != OpS390XSLDconst {
 22493  			break
 22494  		}
 22495  		j1 := s1.AuxInt
 22496  		x1 := s1.Args[0]
 22497  		if x1.Op != OpS390XMOVHZloadidx {
 22498  			break
 22499  		}
 22500  		i1 := x1.AuxInt
 22501  		s := x1.Aux
 22502  		p := x1.Args[0]
 22503  		idx := x1.Args[1]
 22504  		mem := x1.Args[2]
 22505  		y := or.Args[1]
 22506  		s0 := v.Args[1]
 22507  		if s0.Op != OpS390XSLDconst {
 22508  			break
 22509  		}
 22510  		j0 := s0.AuxInt
 22511  		x0 := s0.Args[0]
 22512  		if x0.Op != OpS390XMOVHZloadidx {
 22513  			break
 22514  		}
 22515  		i0 := x0.AuxInt
 22516  		if x0.Aux != s {
 22517  			break
 22518  		}
 22519  		if p != x0.Args[0] {
 22520  			break
 22521  		}
 22522  		if idx != x0.Args[1] {
 22523  			break
 22524  		}
 22525  		if mem != x0.Args[2] {
 22526  			break
 22527  		}
 22528  		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 22529  			break
 22530  		}
 22531  		b = mergePoint(b, x0, x1)
 22532  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 22533  		v.reset(OpCopy)
 22534  		v.AddArg(v0)
 22535  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 22536  		v1.AuxInt = j1
 22537  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 22538  		v2.AuxInt = i0
 22539  		v2.Aux = s
 22540  		v2.AddArg(p)
 22541  		v2.AddArg(idx)
 22542  		v2.AddArg(mem)
 22543  		v1.AddArg(v2)
 22544  		v0.AddArg(v1)
 22545  		v0.AddArg(y)
 22546  		return true
 22547  	}
 22548  	// match: (OR or:(OR s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} idx p mem)) y) s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} p idx mem)))
 22549  	// cond: i1 == i0+2   && j1 == j0-16   && j1 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 22550  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 22551  	for {
 22552  		or := v.Args[0]
 22553  		if or.Op != OpS390XOR {
 22554  			break
 22555  		}
 22556  		s1 := or.Args[0]
 22557  		if s1.Op != OpS390XSLDconst {
 22558  			break
 22559  		}
 22560  		j1 := s1.AuxInt
 22561  		x1 := s1.Args[0]
 22562  		if x1.Op != OpS390XMOVHZloadidx {
 22563  			break
 22564  		}
 22565  		i1 := x1.AuxInt
 22566  		s := x1.Aux
 22567  		idx := x1.Args[0]
 22568  		p := x1.Args[1]
 22569  		mem := x1.Args[2]
 22570  		y := or.Args[1]
 22571  		s0 := v.Args[1]
 22572  		if s0.Op != OpS390XSLDconst {
 22573  			break
 22574  		}
 22575  		j0 := s0.AuxInt
 22576  		x0 := s0.Args[0]
 22577  		if x0.Op != OpS390XMOVHZloadidx {
 22578  			break
 22579  		}
 22580  		i0 := x0.AuxInt
 22581  		if x0.Aux != s {
 22582  			break
 22583  		}
 22584  		if p != x0.Args[0] {
 22585  			break
 22586  		}
 22587  		if idx != x0.Args[1] {
 22588  			break
 22589  		}
 22590  		if mem != x0.Args[2] {
 22591  			break
 22592  		}
 22593  		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 22594  			break
 22595  		}
 22596  		b = mergePoint(b, x0, x1)
 22597  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 22598  		v.reset(OpCopy)
 22599  		v.AddArg(v0)
 22600  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 22601  		v1.AuxInt = j1
 22602  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 22603  		v2.AuxInt = i0
 22604  		v2.Aux = s
 22605  		v2.AddArg(p)
 22606  		v2.AddArg(idx)
 22607  		v2.AddArg(mem)
 22608  		v1.AddArg(v2)
 22609  		v0.AddArg(v1)
 22610  		v0.AddArg(y)
 22611  		return true
 22612  	}
 22613  	// match: (OR or:(OR y s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} p idx mem))) s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} p idx mem)))
 22614  	// cond: i1 == i0+2   && j1 == j0-16   && j1 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 22615  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 22616  	for {
 22617  		or := v.Args[0]
 22618  		if or.Op != OpS390XOR {
 22619  			break
 22620  		}
 22621  		y := or.Args[0]
 22622  		s1 := or.Args[1]
 22623  		if s1.Op != OpS390XSLDconst {
 22624  			break
 22625  		}
 22626  		j1 := s1.AuxInt
 22627  		x1 := s1.Args[0]
 22628  		if x1.Op != OpS390XMOVHZloadidx {
 22629  			break
 22630  		}
 22631  		i1 := x1.AuxInt
 22632  		s := x1.Aux
 22633  		p := x1.Args[0]
 22634  		idx := x1.Args[1]
 22635  		mem := x1.Args[2]
 22636  		s0 := v.Args[1]
 22637  		if s0.Op != OpS390XSLDconst {
 22638  			break
 22639  		}
 22640  		j0 := s0.AuxInt
 22641  		x0 := s0.Args[0]
 22642  		if x0.Op != OpS390XMOVHZloadidx {
 22643  			break
 22644  		}
 22645  		i0 := x0.AuxInt
 22646  		if x0.Aux != s {
 22647  			break
 22648  		}
 22649  		if p != x0.Args[0] {
 22650  			break
 22651  		}
 22652  		if idx != x0.Args[1] {
 22653  			break
 22654  		}
 22655  		if mem != x0.Args[2] {
 22656  			break
 22657  		}
 22658  		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 22659  			break
 22660  		}
 22661  		b = mergePoint(b, x0, x1)
 22662  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 22663  		v.reset(OpCopy)
 22664  		v.AddArg(v0)
 22665  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 22666  		v1.AuxInt = j1
 22667  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 22668  		v2.AuxInt = i0
 22669  		v2.Aux = s
 22670  		v2.AddArg(p)
 22671  		v2.AddArg(idx)
 22672  		v2.AddArg(mem)
 22673  		v1.AddArg(v2)
 22674  		v0.AddArg(v1)
 22675  		v0.AddArg(y)
 22676  		return true
 22677  	}
 22678  	// match: (OR or:(OR y s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} idx p mem))) s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} p idx mem)))
 22679  	// cond: i1 == i0+2   && j1 == j0-16   && j1 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 22680  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 22681  	for {
 22682  		or := v.Args[0]
 22683  		if or.Op != OpS390XOR {
 22684  			break
 22685  		}
 22686  		y := or.Args[0]
 22687  		s1 := or.Args[1]
 22688  		if s1.Op != OpS390XSLDconst {
 22689  			break
 22690  		}
 22691  		j1 := s1.AuxInt
 22692  		x1 := s1.Args[0]
 22693  		if x1.Op != OpS390XMOVHZloadidx {
 22694  			break
 22695  		}
 22696  		i1 := x1.AuxInt
 22697  		s := x1.Aux
 22698  		idx := x1.Args[0]
 22699  		p := x1.Args[1]
 22700  		mem := x1.Args[2]
 22701  		s0 := v.Args[1]
 22702  		if s0.Op != OpS390XSLDconst {
 22703  			break
 22704  		}
 22705  		j0 := s0.AuxInt
 22706  		x0 := s0.Args[0]
 22707  		if x0.Op != OpS390XMOVHZloadidx {
 22708  			break
 22709  		}
 22710  		i0 := x0.AuxInt
 22711  		if x0.Aux != s {
 22712  			break
 22713  		}
 22714  		if p != x0.Args[0] {
 22715  			break
 22716  		}
 22717  		if idx != x0.Args[1] {
 22718  			break
 22719  		}
 22720  		if mem != x0.Args[2] {
 22721  			break
 22722  		}
 22723  		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 22724  			break
 22725  		}
 22726  		b = mergePoint(b, x0, x1)
 22727  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 22728  		v.reset(OpCopy)
 22729  		v.AddArg(v0)
 22730  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 22731  		v1.AuxInt = j1
 22732  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 22733  		v2.AuxInt = i0
 22734  		v2.Aux = s
 22735  		v2.AddArg(p)
 22736  		v2.AddArg(idx)
 22737  		v2.AddArg(mem)
 22738  		v1.AddArg(v2)
 22739  		v0.AddArg(v1)
 22740  		v0.AddArg(y)
 22741  		return true
 22742  	}
 22743  	// match: (OR or:(OR s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} p idx mem)) y) s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} idx p mem)))
 22744  	// cond: i1 == i0+2   && j1 == j0-16   && j1 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 22745  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 22746  	for {
 22747  		or := v.Args[0]
 22748  		if or.Op != OpS390XOR {
 22749  			break
 22750  		}
 22751  		s1 := or.Args[0]
 22752  		if s1.Op != OpS390XSLDconst {
 22753  			break
 22754  		}
 22755  		j1 := s1.AuxInt
 22756  		x1 := s1.Args[0]
 22757  		if x1.Op != OpS390XMOVHZloadidx {
 22758  			break
 22759  		}
 22760  		i1 := x1.AuxInt
 22761  		s := x1.Aux
 22762  		p := x1.Args[0]
 22763  		idx := x1.Args[1]
 22764  		mem := x1.Args[2]
 22765  		y := or.Args[1]
 22766  		s0 := v.Args[1]
 22767  		if s0.Op != OpS390XSLDconst {
 22768  			break
 22769  		}
 22770  		j0 := s0.AuxInt
 22771  		x0 := s0.Args[0]
 22772  		if x0.Op != OpS390XMOVHZloadidx {
 22773  			break
 22774  		}
 22775  		i0 := x0.AuxInt
 22776  		if x0.Aux != s {
 22777  			break
 22778  		}
 22779  		if idx != x0.Args[0] {
 22780  			break
 22781  		}
 22782  		if p != x0.Args[1] {
 22783  			break
 22784  		}
 22785  		if mem != x0.Args[2] {
 22786  			break
 22787  		}
 22788  		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 22789  			break
 22790  		}
 22791  		b = mergePoint(b, x0, x1)
 22792  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 22793  		v.reset(OpCopy)
 22794  		v.AddArg(v0)
 22795  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 22796  		v1.AuxInt = j1
 22797  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 22798  		v2.AuxInt = i0
 22799  		v2.Aux = s
 22800  		v2.AddArg(p)
 22801  		v2.AddArg(idx)
 22802  		v2.AddArg(mem)
 22803  		v1.AddArg(v2)
 22804  		v0.AddArg(v1)
 22805  		v0.AddArg(y)
 22806  		return true
 22807  	}
 22808  	// match: (OR or:(OR s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} idx p mem)) y) s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} idx p mem)))
 22809  	// cond: i1 == i0+2   && j1 == j0-16   && j1 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 22810  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 22811  	for {
 22812  		or := v.Args[0]
 22813  		if or.Op != OpS390XOR {
 22814  			break
 22815  		}
 22816  		s1 := or.Args[0]
 22817  		if s1.Op != OpS390XSLDconst {
 22818  			break
 22819  		}
 22820  		j1 := s1.AuxInt
 22821  		x1 := s1.Args[0]
 22822  		if x1.Op != OpS390XMOVHZloadidx {
 22823  			break
 22824  		}
 22825  		i1 := x1.AuxInt
 22826  		s := x1.Aux
 22827  		idx := x1.Args[0]
 22828  		p := x1.Args[1]
 22829  		mem := x1.Args[2]
 22830  		y := or.Args[1]
 22831  		s0 := v.Args[1]
 22832  		if s0.Op != OpS390XSLDconst {
 22833  			break
 22834  		}
 22835  		j0 := s0.AuxInt
 22836  		x0 := s0.Args[0]
 22837  		if x0.Op != OpS390XMOVHZloadidx {
 22838  			break
 22839  		}
 22840  		i0 := x0.AuxInt
 22841  		if x0.Aux != s {
 22842  			break
 22843  		}
 22844  		if idx != x0.Args[0] {
 22845  			break
 22846  		}
 22847  		if p != x0.Args[1] {
 22848  			break
 22849  		}
 22850  		if mem != x0.Args[2] {
 22851  			break
 22852  		}
 22853  		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 22854  			break
 22855  		}
 22856  		b = mergePoint(b, x0, x1)
 22857  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 22858  		v.reset(OpCopy)
 22859  		v.AddArg(v0)
 22860  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 22861  		v1.AuxInt = j1
 22862  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 22863  		v2.AuxInt = i0
 22864  		v2.Aux = s
 22865  		v2.AddArg(p)
 22866  		v2.AddArg(idx)
 22867  		v2.AddArg(mem)
 22868  		v1.AddArg(v2)
 22869  		v0.AddArg(v1)
 22870  		v0.AddArg(y)
 22871  		return true
 22872  	}
 22873  	// match: (OR or:(OR y s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} p idx mem))) s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} idx p mem)))
 22874  	// cond: i1 == i0+2   && j1 == j0-16   && j1 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 22875  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 22876  	for {
 22877  		or := v.Args[0]
 22878  		if or.Op != OpS390XOR {
 22879  			break
 22880  		}
 22881  		y := or.Args[0]
 22882  		s1 := or.Args[1]
 22883  		if s1.Op != OpS390XSLDconst {
 22884  			break
 22885  		}
 22886  		j1 := s1.AuxInt
 22887  		x1 := s1.Args[0]
 22888  		if x1.Op != OpS390XMOVHZloadidx {
 22889  			break
 22890  		}
 22891  		i1 := x1.AuxInt
 22892  		s := x1.Aux
 22893  		p := x1.Args[0]
 22894  		idx := x1.Args[1]
 22895  		mem := x1.Args[2]
 22896  		s0 := v.Args[1]
 22897  		if s0.Op != OpS390XSLDconst {
 22898  			break
 22899  		}
 22900  		j0 := s0.AuxInt
 22901  		x0 := s0.Args[0]
 22902  		if x0.Op != OpS390XMOVHZloadidx {
 22903  			break
 22904  		}
 22905  		i0 := x0.AuxInt
 22906  		if x0.Aux != s {
 22907  			break
 22908  		}
 22909  		if idx != x0.Args[0] {
 22910  			break
 22911  		}
 22912  		if p != x0.Args[1] {
 22913  			break
 22914  		}
 22915  		if mem != x0.Args[2] {
 22916  			break
 22917  		}
 22918  		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 22919  			break
 22920  		}
 22921  		b = mergePoint(b, x0, x1)
 22922  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 22923  		v.reset(OpCopy)
 22924  		v.AddArg(v0)
 22925  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 22926  		v1.AuxInt = j1
 22927  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 22928  		v2.AuxInt = i0
 22929  		v2.Aux = s
 22930  		v2.AddArg(p)
 22931  		v2.AddArg(idx)
 22932  		v2.AddArg(mem)
 22933  		v1.AddArg(v2)
 22934  		v0.AddArg(v1)
 22935  		v0.AddArg(y)
 22936  		return true
 22937  	}
 22938  	// match: (OR or:(OR y s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} idx p mem))) s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} idx p mem)))
 22939  	// cond: i1 == i0+2   && j1 == j0-16   && j1 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 22940  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 22941  	for {
 22942  		or := v.Args[0]
 22943  		if or.Op != OpS390XOR {
 22944  			break
 22945  		}
 22946  		y := or.Args[0]
 22947  		s1 := or.Args[1]
 22948  		if s1.Op != OpS390XSLDconst {
 22949  			break
 22950  		}
 22951  		j1 := s1.AuxInt
 22952  		x1 := s1.Args[0]
 22953  		if x1.Op != OpS390XMOVHZloadidx {
 22954  			break
 22955  		}
 22956  		i1 := x1.AuxInt
 22957  		s := x1.Aux
 22958  		idx := x1.Args[0]
 22959  		p := x1.Args[1]
 22960  		mem := x1.Args[2]
 22961  		s0 := v.Args[1]
 22962  		if s0.Op != OpS390XSLDconst {
 22963  			break
 22964  		}
 22965  		j0 := s0.AuxInt
 22966  		x0 := s0.Args[0]
 22967  		if x0.Op != OpS390XMOVHZloadidx {
 22968  			break
 22969  		}
 22970  		i0 := x0.AuxInt
 22971  		if x0.Aux != s {
 22972  			break
 22973  		}
 22974  		if idx != x0.Args[0] {
 22975  			break
 22976  		}
 22977  		if p != x0.Args[1] {
 22978  			break
 22979  		}
 22980  		if mem != x0.Args[2] {
 22981  			break
 22982  		}
 22983  		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 22984  			break
 22985  		}
 22986  		b = mergePoint(b, x0, x1)
 22987  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 22988  		v.reset(OpCopy)
 22989  		v.AddArg(v0)
 22990  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 22991  		v1.AuxInt = j1
 22992  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 22993  		v2.AuxInt = i0
 22994  		v2.Aux = s
 22995  		v2.AddArg(p)
 22996  		v2.AddArg(idx)
 22997  		v2.AddArg(mem)
 22998  		v1.AddArg(v2)
 22999  		v0.AddArg(v1)
 23000  		v0.AddArg(y)
 23001  		return true
 23002  	}
 23003  	// match: (OR x0:(MOVBZload [i0] {s} p mem) sh:(SLDconst [8] x1:(MOVBZload [i1] {s} p mem)))
 23004  	// cond: p.Op != OpSB   && i1 == i0+1   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 23005  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRload [i0] {s} p mem))
 23006  	for {
 23007  		x0 := v.Args[0]
 23008  		if x0.Op != OpS390XMOVBZload {
 23009  			break
 23010  		}
 23011  		i0 := x0.AuxInt
 23012  		s := x0.Aux
 23013  		p := x0.Args[0]
 23014  		mem := x0.Args[1]
 23015  		sh := v.Args[1]
 23016  		if sh.Op != OpS390XSLDconst {
 23017  			break
 23018  		}
 23019  		if sh.AuxInt != 8 {
 23020  			break
 23021  		}
 23022  		x1 := sh.Args[0]
 23023  		if x1.Op != OpS390XMOVBZload {
 23024  			break
 23025  		}
 23026  		i1 := x1.AuxInt
 23027  		if x1.Aux != s {
 23028  			break
 23029  		}
 23030  		if p != x1.Args[0] {
 23031  			break
 23032  		}
 23033  		if mem != x1.Args[1] {
 23034  			break
 23035  		}
 23036  		if !(p.Op != OpSB && i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 23037  			break
 23038  		}
 23039  		b = mergePoint(b, x0, x1)
 23040  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 23041  		v.reset(OpCopy)
 23042  		v.AddArg(v0)
 23043  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRload, types.UInt16)
 23044  		v1.AuxInt = i0
 23045  		v1.Aux = s
 23046  		v1.AddArg(p)
 23047  		v1.AddArg(mem)
 23048  		v0.AddArg(v1)
 23049  		return true
 23050  	}
 23051  	// match: (OR sh:(SLDconst [8] x1:(MOVBZload [i1] {s} p mem)) x0:(MOVBZload [i0] {s} p mem))
 23052  	// cond: p.Op != OpSB   && i1 == i0+1   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 23053  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRload [i0] {s} p mem))
 23054  	for {
 23055  		sh := v.Args[0]
 23056  		if sh.Op != OpS390XSLDconst {
 23057  			break
 23058  		}
 23059  		if sh.AuxInt != 8 {
 23060  			break
 23061  		}
 23062  		x1 := sh.Args[0]
 23063  		if x1.Op != OpS390XMOVBZload {
 23064  			break
 23065  		}
 23066  		i1 := x1.AuxInt
 23067  		s := x1.Aux
 23068  		p := x1.Args[0]
 23069  		mem := x1.Args[1]
 23070  		x0 := v.Args[1]
 23071  		if x0.Op != OpS390XMOVBZload {
 23072  			break
 23073  		}
 23074  		i0 := x0.AuxInt
 23075  		if x0.Aux != s {
 23076  			break
 23077  		}
 23078  		if p != x0.Args[0] {
 23079  			break
 23080  		}
 23081  		if mem != x0.Args[1] {
 23082  			break
 23083  		}
 23084  		if !(p.Op != OpSB && i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 23085  			break
 23086  		}
 23087  		b = mergePoint(b, x0, x1)
 23088  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 23089  		v.reset(OpCopy)
 23090  		v.AddArg(v0)
 23091  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRload, types.UInt16)
 23092  		v1.AuxInt = i0
 23093  		v1.Aux = s
 23094  		v1.AddArg(p)
 23095  		v1.AddArg(mem)
 23096  		v0.AddArg(v1)
 23097  		return true
 23098  	}
 23099  	// match: (OR r0:(MOVHZreg x0:(MOVHBRload [i0] {s} p mem)) sh:(SLDconst [16] r1:(MOVHZreg x1:(MOVHBRload [i1] {s} p mem))))
 23100  	// cond: i1 == i0+2   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 23101  	// result: @mergePoint(b,x0,x1) (MOVWZreg (MOVWBRload [i0] {s} p mem))
 23102  	for {
 23103  		r0 := v.Args[0]
 23104  		if r0.Op != OpS390XMOVHZreg {
 23105  			break
 23106  		}
 23107  		x0 := r0.Args[0]
 23108  		if x0.Op != OpS390XMOVHBRload {
 23109  			break
 23110  		}
 23111  		i0 := x0.AuxInt
 23112  		s := x0.Aux
 23113  		p := x0.Args[0]
 23114  		mem := x0.Args[1]
 23115  		sh := v.Args[1]
 23116  		if sh.Op != OpS390XSLDconst {
 23117  			break
 23118  		}
 23119  		if sh.AuxInt != 16 {
 23120  			break
 23121  		}
 23122  		r1 := sh.Args[0]
 23123  		if r1.Op != OpS390XMOVHZreg {
 23124  			break
 23125  		}
 23126  		x1 := r1.Args[0]
 23127  		if x1.Op != OpS390XMOVHBRload {
 23128  			break
 23129  		}
 23130  		i1 := x1.AuxInt
 23131  		if x1.Aux != s {
 23132  			break
 23133  		}
 23134  		if p != x1.Args[0] {
 23135  			break
 23136  		}
 23137  		if mem != x1.Args[1] {
 23138  			break
 23139  		}
 23140  		if !(i1 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 23141  			break
 23142  		}
 23143  		b = mergePoint(b, x0, x1)
 23144  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 23145  		v.reset(OpCopy)
 23146  		v.AddArg(v0)
 23147  		v1 := b.NewValue0(v.Pos, OpS390XMOVWBRload, types.UInt32)
 23148  		v1.AuxInt = i0
 23149  		v1.Aux = s
 23150  		v1.AddArg(p)
 23151  		v1.AddArg(mem)
 23152  		v0.AddArg(v1)
 23153  		return true
 23154  	}
 23155  	// match: (OR sh:(SLDconst [16] r1:(MOVHZreg x1:(MOVHBRload [i1] {s} p mem))) r0:(MOVHZreg x0:(MOVHBRload [i0] {s} p mem)))
 23156  	// cond: i1 == i0+2   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 23157  	// result: @mergePoint(b,x0,x1) (MOVWZreg (MOVWBRload [i0] {s} p mem))
 23158  	for {
 23159  		sh := v.Args[0]
 23160  		if sh.Op != OpS390XSLDconst {
 23161  			break
 23162  		}
 23163  		if sh.AuxInt != 16 {
 23164  			break
 23165  		}
 23166  		r1 := sh.Args[0]
 23167  		if r1.Op != OpS390XMOVHZreg {
 23168  			break
 23169  		}
 23170  		x1 := r1.Args[0]
 23171  		if x1.Op != OpS390XMOVHBRload {
 23172  			break
 23173  		}
 23174  		i1 := x1.AuxInt
 23175  		s := x1.Aux
 23176  		p := x1.Args[0]
 23177  		mem := x1.Args[1]
 23178  		r0 := v.Args[1]
 23179  		if r0.Op != OpS390XMOVHZreg {
 23180  			break
 23181  		}
 23182  		x0 := r0.Args[0]
 23183  		if x0.Op != OpS390XMOVHBRload {
 23184  			break
 23185  		}
 23186  		i0 := x0.AuxInt
 23187  		if x0.Aux != s {
 23188  			break
 23189  		}
 23190  		if p != x0.Args[0] {
 23191  			break
 23192  		}
 23193  		if mem != x0.Args[1] {
 23194  			break
 23195  		}
 23196  		if !(i1 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 23197  			break
 23198  		}
 23199  		b = mergePoint(b, x0, x1)
 23200  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 23201  		v.reset(OpCopy)
 23202  		v.AddArg(v0)
 23203  		v1 := b.NewValue0(v.Pos, OpS390XMOVWBRload, types.UInt32)
 23204  		v1.AuxInt = i0
 23205  		v1.Aux = s
 23206  		v1.AddArg(p)
 23207  		v1.AddArg(mem)
 23208  		v0.AddArg(v1)
 23209  		return true
 23210  	}
 23211  	// match: (OR r0:(MOVWZreg x0:(MOVWBRload [i0] {s} p mem)) sh:(SLDconst [32] r1:(MOVWZreg x1:(MOVWBRload [i1] {s} p mem))))
 23212  	// cond: i1 == i0+4   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 23213  	// result: @mergePoint(b,x0,x1) (MOVDBRload [i0] {s} p mem)
 23214  	for {
 23215  		r0 := v.Args[0]
 23216  		if r0.Op != OpS390XMOVWZreg {
 23217  			break
 23218  		}
 23219  		x0 := r0.Args[0]
 23220  		if x0.Op != OpS390XMOVWBRload {
 23221  			break
 23222  		}
 23223  		i0 := x0.AuxInt
 23224  		s := x0.Aux
 23225  		p := x0.Args[0]
 23226  		mem := x0.Args[1]
 23227  		sh := v.Args[1]
 23228  		if sh.Op != OpS390XSLDconst {
 23229  			break
 23230  		}
 23231  		if sh.AuxInt != 32 {
 23232  			break
 23233  		}
 23234  		r1 := sh.Args[0]
 23235  		if r1.Op != OpS390XMOVWZreg {
 23236  			break
 23237  		}
 23238  		x1 := r1.Args[0]
 23239  		if x1.Op != OpS390XMOVWBRload {
 23240  			break
 23241  		}
 23242  		i1 := x1.AuxInt
 23243  		if x1.Aux != s {
 23244  			break
 23245  		}
 23246  		if p != x1.Args[0] {
 23247  			break
 23248  		}
 23249  		if mem != x1.Args[1] {
 23250  			break
 23251  		}
 23252  		if !(i1 == i0+4 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 23253  			break
 23254  		}
 23255  		b = mergePoint(b, x0, x1)
 23256  		v0 := b.NewValue0(v.Pos, OpS390XMOVDBRload, types.UInt64)
 23257  		v.reset(OpCopy)
 23258  		v.AddArg(v0)
 23259  		v0.AuxInt = i0
 23260  		v0.Aux = s
 23261  		v0.AddArg(p)
 23262  		v0.AddArg(mem)
 23263  		return true
 23264  	}
 23265  	// match: (OR sh:(SLDconst [32] r1:(MOVWZreg x1:(MOVWBRload [i1] {s} p mem))) r0:(MOVWZreg x0:(MOVWBRload [i0] {s} p mem)))
 23266  	// cond: i1 == i0+4   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 23267  	// result: @mergePoint(b,x0,x1) (MOVDBRload [i0] {s} p mem)
 23268  	for {
 23269  		sh := v.Args[0]
 23270  		if sh.Op != OpS390XSLDconst {
 23271  			break
 23272  		}
 23273  		if sh.AuxInt != 32 {
 23274  			break
 23275  		}
 23276  		r1 := sh.Args[0]
 23277  		if r1.Op != OpS390XMOVWZreg {
 23278  			break
 23279  		}
 23280  		x1 := r1.Args[0]
 23281  		if x1.Op != OpS390XMOVWBRload {
 23282  			break
 23283  		}
 23284  		i1 := x1.AuxInt
 23285  		s := x1.Aux
 23286  		p := x1.Args[0]
 23287  		mem := x1.Args[1]
 23288  		r0 := v.Args[1]
 23289  		if r0.Op != OpS390XMOVWZreg {
 23290  			break
 23291  		}
 23292  		x0 := r0.Args[0]
 23293  		if x0.Op != OpS390XMOVWBRload {
 23294  			break
 23295  		}
 23296  		i0 := x0.AuxInt
 23297  		if x0.Aux != s {
 23298  			break
 23299  		}
 23300  		if p != x0.Args[0] {
 23301  			break
 23302  		}
 23303  		if mem != x0.Args[1] {
 23304  			break
 23305  		}
 23306  		if !(i1 == i0+4 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 23307  			break
 23308  		}
 23309  		b = mergePoint(b, x0, x1)
 23310  		v0 := b.NewValue0(v.Pos, OpS390XMOVDBRload, types.UInt64)
 23311  		v.reset(OpCopy)
 23312  		v.AddArg(v0)
 23313  		v0.AuxInt = i0
 23314  		v0.Aux = s
 23315  		v0.AddArg(p)
 23316  		v0.AddArg(mem)
 23317  		return true
 23318  	}
 23319  	// match: (OR s1:(SLDconst [j1] x1:(MOVBZload [i1] {s} p mem)) or:(OR s0:(SLDconst [j0] x0:(MOVBZload [i0] {s} p mem)) y))
 23320  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 23321  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
 23322  	for {
 23323  		s1 := v.Args[0]
 23324  		if s1.Op != OpS390XSLDconst {
 23325  			break
 23326  		}
 23327  		j1 := s1.AuxInt
 23328  		x1 := s1.Args[0]
 23329  		if x1.Op != OpS390XMOVBZload {
 23330  			break
 23331  		}
 23332  		i1 := x1.AuxInt
 23333  		s := x1.Aux
 23334  		p := x1.Args[0]
 23335  		mem := x1.Args[1]
 23336  		or := v.Args[1]
 23337  		if or.Op != OpS390XOR {
 23338  			break
 23339  		}
 23340  		s0 := or.Args[0]
 23341  		if s0.Op != OpS390XSLDconst {
 23342  			break
 23343  		}
 23344  		j0 := s0.AuxInt
 23345  		x0 := s0.Args[0]
 23346  		if x0.Op != OpS390XMOVBZload {
 23347  			break
 23348  		}
 23349  		i0 := x0.AuxInt
 23350  		if x0.Aux != s {
 23351  			break
 23352  		}
 23353  		if p != x0.Args[0] {
 23354  			break
 23355  		}
 23356  		if mem != x0.Args[1] {
 23357  			break
 23358  		}
 23359  		y := or.Args[1]
 23360  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 23361  			break
 23362  		}
 23363  		b = mergePoint(b, x0, x1)
 23364  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 23365  		v.reset(OpCopy)
 23366  		v.AddArg(v0)
 23367  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 23368  		v1.AuxInt = j0
 23369  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 23370  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRload, types.UInt16)
 23371  		v3.AuxInt = i0
 23372  		v3.Aux = s
 23373  		v3.AddArg(p)
 23374  		v3.AddArg(mem)
 23375  		v2.AddArg(v3)
 23376  		v1.AddArg(v2)
 23377  		v0.AddArg(v1)
 23378  		v0.AddArg(y)
 23379  		return true
 23380  	}
 23381  	// match: (OR s1:(SLDconst [j1] x1:(MOVBZload [i1] {s} p mem)) or:(OR y s0:(SLDconst [j0] x0:(MOVBZload [i0] {s} p mem))))
 23382  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 23383  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
 23384  	for {
 23385  		s1 := v.Args[0]
 23386  		if s1.Op != OpS390XSLDconst {
 23387  			break
 23388  		}
 23389  		j1 := s1.AuxInt
 23390  		x1 := s1.Args[0]
 23391  		if x1.Op != OpS390XMOVBZload {
 23392  			break
 23393  		}
 23394  		i1 := x1.AuxInt
 23395  		s := x1.Aux
 23396  		p := x1.Args[0]
 23397  		mem := x1.Args[1]
 23398  		or := v.Args[1]
 23399  		if or.Op != OpS390XOR {
 23400  			break
 23401  		}
 23402  		y := or.Args[0]
 23403  		s0 := or.Args[1]
 23404  		if s0.Op != OpS390XSLDconst {
 23405  			break
 23406  		}
 23407  		j0 := s0.AuxInt
 23408  		x0 := s0.Args[0]
 23409  		if x0.Op != OpS390XMOVBZload {
 23410  			break
 23411  		}
 23412  		i0 := x0.AuxInt
 23413  		if x0.Aux != s {
 23414  			break
 23415  		}
 23416  		if p != x0.Args[0] {
 23417  			break
 23418  		}
 23419  		if mem != x0.Args[1] {
 23420  			break
 23421  		}
 23422  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 23423  			break
 23424  		}
 23425  		b = mergePoint(b, x0, x1)
 23426  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 23427  		v.reset(OpCopy)
 23428  		v.AddArg(v0)
 23429  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 23430  		v1.AuxInt = j0
 23431  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 23432  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRload, types.UInt16)
 23433  		v3.AuxInt = i0
 23434  		v3.Aux = s
 23435  		v3.AddArg(p)
 23436  		v3.AddArg(mem)
 23437  		v2.AddArg(v3)
 23438  		v1.AddArg(v2)
 23439  		v0.AddArg(v1)
 23440  		v0.AddArg(y)
 23441  		return true
 23442  	}
 23443  	// match: (OR or:(OR s0:(SLDconst [j0] x0:(MOVBZload [i0] {s} p mem)) y) s1:(SLDconst [j1] x1:(MOVBZload [i1] {s} p mem)))
 23444  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 23445  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
 23446  	for {
 23447  		or := v.Args[0]
 23448  		if or.Op != OpS390XOR {
 23449  			break
 23450  		}
 23451  		s0 := or.Args[0]
 23452  		if s0.Op != OpS390XSLDconst {
 23453  			break
 23454  		}
 23455  		j0 := s0.AuxInt
 23456  		x0 := s0.Args[0]
 23457  		if x0.Op != OpS390XMOVBZload {
 23458  			break
 23459  		}
 23460  		i0 := x0.AuxInt
 23461  		s := x0.Aux
 23462  		p := x0.Args[0]
 23463  		mem := x0.Args[1]
 23464  		y := or.Args[1]
 23465  		s1 := v.Args[1]
 23466  		if s1.Op != OpS390XSLDconst {
 23467  			break
 23468  		}
 23469  		j1 := s1.AuxInt
 23470  		x1 := s1.Args[0]
 23471  		if x1.Op != OpS390XMOVBZload {
 23472  			break
 23473  		}
 23474  		i1 := x1.AuxInt
 23475  		if x1.Aux != s {
 23476  			break
 23477  		}
 23478  		if p != x1.Args[0] {
 23479  			break
 23480  		}
 23481  		if mem != x1.Args[1] {
 23482  			break
 23483  		}
 23484  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 23485  			break
 23486  		}
 23487  		b = mergePoint(b, x0, x1)
 23488  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 23489  		v.reset(OpCopy)
 23490  		v.AddArg(v0)
 23491  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 23492  		v1.AuxInt = j0
 23493  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 23494  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRload, types.UInt16)
 23495  		v3.AuxInt = i0
 23496  		v3.Aux = s
 23497  		v3.AddArg(p)
 23498  		v3.AddArg(mem)
 23499  		v2.AddArg(v3)
 23500  		v1.AddArg(v2)
 23501  		v0.AddArg(v1)
 23502  		v0.AddArg(y)
 23503  		return true
 23504  	}
 23505  	// match: (OR or:(OR y s0:(SLDconst [j0] x0:(MOVBZload [i0] {s} p mem))) s1:(SLDconst [j1] x1:(MOVBZload [i1] {s} p mem)))
 23506  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 23507  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
 23508  	for {
 23509  		or := v.Args[0]
 23510  		if or.Op != OpS390XOR {
 23511  			break
 23512  		}
 23513  		y := or.Args[0]
 23514  		s0 := or.Args[1]
 23515  		if s0.Op != OpS390XSLDconst {
 23516  			break
 23517  		}
 23518  		j0 := s0.AuxInt
 23519  		x0 := s0.Args[0]
 23520  		if x0.Op != OpS390XMOVBZload {
 23521  			break
 23522  		}
 23523  		i0 := x0.AuxInt
 23524  		s := x0.Aux
 23525  		p := x0.Args[0]
 23526  		mem := x0.Args[1]
 23527  		s1 := v.Args[1]
 23528  		if s1.Op != OpS390XSLDconst {
 23529  			break
 23530  		}
 23531  		j1 := s1.AuxInt
 23532  		x1 := s1.Args[0]
 23533  		if x1.Op != OpS390XMOVBZload {
 23534  			break
 23535  		}
 23536  		i1 := x1.AuxInt
 23537  		if x1.Aux != s {
 23538  			break
 23539  		}
 23540  		if p != x1.Args[0] {
 23541  			break
 23542  		}
 23543  		if mem != x1.Args[1] {
 23544  			break
 23545  		}
 23546  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 23547  			break
 23548  		}
 23549  		b = mergePoint(b, x0, x1)
 23550  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 23551  		v.reset(OpCopy)
 23552  		v.AddArg(v0)
 23553  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 23554  		v1.AuxInt = j0
 23555  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 23556  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRload, types.UInt16)
 23557  		v3.AuxInt = i0
 23558  		v3.Aux = s
 23559  		v3.AddArg(p)
 23560  		v3.AddArg(mem)
 23561  		v2.AddArg(v3)
 23562  		v1.AddArg(v2)
 23563  		v0.AddArg(v1)
 23564  		v0.AddArg(y)
 23565  		return true
 23566  	}
 23567  	// match: (OR s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRload [i1] {s} p mem))) or:(OR s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRload [i0] {s} p mem))) y))
 23568  	// cond: i1 == i0+2   && j1 == j0+16   && j0 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 23569  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRload [i0] {s} p mem))) y)
 23570  	for {
 23571  		s1 := v.Args[0]
 23572  		if s1.Op != OpS390XSLDconst {
 23573  			break
 23574  		}
 23575  		j1 := s1.AuxInt
 23576  		r1 := s1.Args[0]
 23577  		if r1.Op != OpS390XMOVHZreg {
 23578  			break
 23579  		}
 23580  		x1 := r1.Args[0]
 23581  		if x1.Op != OpS390XMOVHBRload {
 23582  			break
 23583  		}
 23584  		i1 := x1.AuxInt
 23585  		s := x1.Aux
 23586  		p := x1.Args[0]
 23587  		mem := x1.Args[1]
 23588  		or := v.Args[1]
 23589  		if or.Op != OpS390XOR {
 23590  			break
 23591  		}
 23592  		s0 := or.Args[0]
 23593  		if s0.Op != OpS390XSLDconst {
 23594  			break
 23595  		}
 23596  		j0 := s0.AuxInt
 23597  		r0 := s0.Args[0]
 23598  		if r0.Op != OpS390XMOVHZreg {
 23599  			break
 23600  		}
 23601  		x0 := r0.Args[0]
 23602  		if x0.Op != OpS390XMOVHBRload {
 23603  			break
 23604  		}
 23605  		i0 := x0.AuxInt
 23606  		if x0.Aux != s {
 23607  			break
 23608  		}
 23609  		if p != x0.Args[0] {
 23610  			break
 23611  		}
 23612  		if mem != x0.Args[1] {
 23613  			break
 23614  		}
 23615  		y := or.Args[1]
 23616  		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 23617  			break
 23618  		}
 23619  		b = mergePoint(b, x0, x1)
 23620  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 23621  		v.reset(OpCopy)
 23622  		v.AddArg(v0)
 23623  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 23624  		v1.AuxInt = j0
 23625  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 23626  		v3 := b.NewValue0(v.Pos, OpS390XMOVWBRload, types.UInt32)
 23627  		v3.AuxInt = i0
 23628  		v3.Aux = s
 23629  		v3.AddArg(p)
 23630  		v3.AddArg(mem)
 23631  		v2.AddArg(v3)
 23632  		v1.AddArg(v2)
 23633  		v0.AddArg(v1)
 23634  		v0.AddArg(y)
 23635  		return true
 23636  	}
 23637  	// match: (OR s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRload [i1] {s} p mem))) or:(OR y s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRload [i0] {s} p mem)))))
 23638  	// cond: i1 == i0+2   && j1 == j0+16   && j0 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 23639  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRload [i0] {s} p mem))) y)
 23640  	for {
 23641  		s1 := v.Args[0]
 23642  		if s1.Op != OpS390XSLDconst {
 23643  			break
 23644  		}
 23645  		j1 := s1.AuxInt
 23646  		r1 := s1.Args[0]
 23647  		if r1.Op != OpS390XMOVHZreg {
 23648  			break
 23649  		}
 23650  		x1 := r1.Args[0]
 23651  		if x1.Op != OpS390XMOVHBRload {
 23652  			break
 23653  		}
 23654  		i1 := x1.AuxInt
 23655  		s := x1.Aux
 23656  		p := x1.Args[0]
 23657  		mem := x1.Args[1]
 23658  		or := v.Args[1]
 23659  		if or.Op != OpS390XOR {
 23660  			break
 23661  		}
 23662  		y := or.Args[0]
 23663  		s0 := or.Args[1]
 23664  		if s0.Op != OpS390XSLDconst {
 23665  			break
 23666  		}
 23667  		j0 := s0.AuxInt
 23668  		r0 := s0.Args[0]
 23669  		if r0.Op != OpS390XMOVHZreg {
 23670  			break
 23671  		}
 23672  		x0 := r0.Args[0]
 23673  		if x0.Op != OpS390XMOVHBRload {
 23674  			break
 23675  		}
 23676  		i0 := x0.AuxInt
 23677  		if x0.Aux != s {
 23678  			break
 23679  		}
 23680  		if p != x0.Args[0] {
 23681  			break
 23682  		}
 23683  		if mem != x0.Args[1] {
 23684  			break
 23685  		}
 23686  		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 23687  			break
 23688  		}
 23689  		b = mergePoint(b, x0, x1)
 23690  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 23691  		v.reset(OpCopy)
 23692  		v.AddArg(v0)
 23693  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 23694  		v1.AuxInt = j0
 23695  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 23696  		v3 := b.NewValue0(v.Pos, OpS390XMOVWBRload, types.UInt32)
 23697  		v3.AuxInt = i0
 23698  		v3.Aux = s
 23699  		v3.AddArg(p)
 23700  		v3.AddArg(mem)
 23701  		v2.AddArg(v3)
 23702  		v1.AddArg(v2)
 23703  		v0.AddArg(v1)
 23704  		v0.AddArg(y)
 23705  		return true
 23706  	}
 23707  	// match: (OR or:(OR s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRload [i0] {s} p mem))) y) s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRload [i1] {s} p mem))))
 23708  	// cond: i1 == i0+2   && j1 == j0+16   && j0 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 23709  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRload [i0] {s} p mem))) y)
 23710  	for {
 23711  		or := v.Args[0]
 23712  		if or.Op != OpS390XOR {
 23713  			break
 23714  		}
 23715  		s0 := or.Args[0]
 23716  		if s0.Op != OpS390XSLDconst {
 23717  			break
 23718  		}
 23719  		j0 := s0.AuxInt
 23720  		r0 := s0.Args[0]
 23721  		if r0.Op != OpS390XMOVHZreg {
 23722  			break
 23723  		}
 23724  		x0 := r0.Args[0]
 23725  		if x0.Op != OpS390XMOVHBRload {
 23726  			break
 23727  		}
 23728  		i0 := x0.AuxInt
 23729  		s := x0.Aux
 23730  		p := x0.Args[0]
 23731  		mem := x0.Args[1]
 23732  		y := or.Args[1]
 23733  		s1 := v.Args[1]
 23734  		if s1.Op != OpS390XSLDconst {
 23735  			break
 23736  		}
 23737  		j1 := s1.AuxInt
 23738  		r1 := s1.Args[0]
 23739  		if r1.Op != OpS390XMOVHZreg {
 23740  			break
 23741  		}
 23742  		x1 := r1.Args[0]
 23743  		if x1.Op != OpS390XMOVHBRload {
 23744  			break
 23745  		}
 23746  		i1 := x1.AuxInt
 23747  		if x1.Aux != s {
 23748  			break
 23749  		}
 23750  		if p != x1.Args[0] {
 23751  			break
 23752  		}
 23753  		if mem != x1.Args[1] {
 23754  			break
 23755  		}
 23756  		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 23757  			break
 23758  		}
 23759  		b = mergePoint(b, x0, x1)
 23760  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 23761  		v.reset(OpCopy)
 23762  		v.AddArg(v0)
 23763  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 23764  		v1.AuxInt = j0
 23765  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 23766  		v3 := b.NewValue0(v.Pos, OpS390XMOVWBRload, types.UInt32)
 23767  		v3.AuxInt = i0
 23768  		v3.Aux = s
 23769  		v3.AddArg(p)
 23770  		v3.AddArg(mem)
 23771  		v2.AddArg(v3)
 23772  		v1.AddArg(v2)
 23773  		v0.AddArg(v1)
 23774  		v0.AddArg(y)
 23775  		return true
 23776  	}
 23777  	// match: (OR or:(OR y s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRload [i0] {s} p mem)))) s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRload [i1] {s} p mem))))
 23778  	// cond: i1 == i0+2   && j1 == j0+16   && j0 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 23779  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRload [i0] {s} p mem))) y)
 23780  	for {
 23781  		or := v.Args[0]
 23782  		if or.Op != OpS390XOR {
 23783  			break
 23784  		}
 23785  		y := or.Args[0]
 23786  		s0 := or.Args[1]
 23787  		if s0.Op != OpS390XSLDconst {
 23788  			break
 23789  		}
 23790  		j0 := s0.AuxInt
 23791  		r0 := s0.Args[0]
 23792  		if r0.Op != OpS390XMOVHZreg {
 23793  			break
 23794  		}
 23795  		x0 := r0.Args[0]
 23796  		if x0.Op != OpS390XMOVHBRload {
 23797  			break
 23798  		}
 23799  		i0 := x0.AuxInt
 23800  		s := x0.Aux
 23801  		p := x0.Args[0]
 23802  		mem := x0.Args[1]
 23803  		s1 := v.Args[1]
 23804  		if s1.Op != OpS390XSLDconst {
 23805  			break
 23806  		}
 23807  		j1 := s1.AuxInt
 23808  		r1 := s1.Args[0]
 23809  		if r1.Op != OpS390XMOVHZreg {
 23810  			break
 23811  		}
 23812  		x1 := r1.Args[0]
 23813  		if x1.Op != OpS390XMOVHBRload {
 23814  			break
 23815  		}
 23816  		i1 := x1.AuxInt
 23817  		if x1.Aux != s {
 23818  			break
 23819  		}
 23820  		if p != x1.Args[0] {
 23821  			break
 23822  		}
 23823  		if mem != x1.Args[1] {
 23824  			break
 23825  		}
 23826  		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 23827  			break
 23828  		}
 23829  		b = mergePoint(b, x0, x1)
 23830  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 23831  		v.reset(OpCopy)
 23832  		v.AddArg(v0)
 23833  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 23834  		v1.AuxInt = j0
 23835  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 23836  		v3 := b.NewValue0(v.Pos, OpS390XMOVWBRload, types.UInt32)
 23837  		v3.AuxInt = i0
 23838  		v3.Aux = s
 23839  		v3.AddArg(p)
 23840  		v3.AddArg(mem)
 23841  		v2.AddArg(v3)
 23842  		v1.AddArg(v2)
 23843  		v0.AddArg(v1)
 23844  		v0.AddArg(y)
 23845  		return true
 23846  	}
 23847  	// match: (OR x0:(MOVBZloadidx [i0] {s} p idx mem) sh:(SLDconst [8] x1:(MOVBZloadidx [i1] {s} p idx mem)))
 23848  	// cond: p.Op != OpSB   && i1 == i0+1   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 23849  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))
 23850  	for {
 23851  		x0 := v.Args[0]
 23852  		if x0.Op != OpS390XMOVBZloadidx {
 23853  			break
 23854  		}
 23855  		i0 := x0.AuxInt
 23856  		s := x0.Aux
 23857  		p := x0.Args[0]
 23858  		idx := x0.Args[1]
 23859  		mem := x0.Args[2]
 23860  		sh := v.Args[1]
 23861  		if sh.Op != OpS390XSLDconst {
 23862  			break
 23863  		}
 23864  		if sh.AuxInt != 8 {
 23865  			break
 23866  		}
 23867  		x1 := sh.Args[0]
 23868  		if x1.Op != OpS390XMOVBZloadidx {
 23869  			break
 23870  		}
 23871  		i1 := x1.AuxInt
 23872  		if x1.Aux != s {
 23873  			break
 23874  		}
 23875  		if p != x1.Args[0] {
 23876  			break
 23877  		}
 23878  		if idx != x1.Args[1] {
 23879  			break
 23880  		}
 23881  		if mem != x1.Args[2] {
 23882  			break
 23883  		}
 23884  		if !(p.Op != OpSB && i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 23885  			break
 23886  		}
 23887  		b = mergePoint(b, x0, x1)
 23888  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 23889  		v.reset(OpCopy)
 23890  		v.AddArg(v0)
 23891  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 23892  		v1.AuxInt = i0
 23893  		v1.Aux = s
 23894  		v1.AddArg(p)
 23895  		v1.AddArg(idx)
 23896  		v1.AddArg(mem)
 23897  		v0.AddArg(v1)
 23898  		return true
 23899  	}
 23900  	// match: (OR x0:(MOVBZloadidx [i0] {s} idx p mem) sh:(SLDconst [8] x1:(MOVBZloadidx [i1] {s} p idx mem)))
 23901  	// cond: p.Op != OpSB   && i1 == i0+1   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 23902  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))
 23903  	for {
 23904  		x0 := v.Args[0]
 23905  		if x0.Op != OpS390XMOVBZloadidx {
 23906  			break
 23907  		}
 23908  		i0 := x0.AuxInt
 23909  		s := x0.Aux
 23910  		idx := x0.Args[0]
 23911  		p := x0.Args[1]
 23912  		mem := x0.Args[2]
 23913  		sh := v.Args[1]
 23914  		if sh.Op != OpS390XSLDconst {
 23915  			break
 23916  		}
 23917  		if sh.AuxInt != 8 {
 23918  			break
 23919  		}
 23920  		x1 := sh.Args[0]
 23921  		if x1.Op != OpS390XMOVBZloadidx {
 23922  			break
 23923  		}
 23924  		i1 := x1.AuxInt
 23925  		if x1.Aux != s {
 23926  			break
 23927  		}
 23928  		if p != x1.Args[0] {
 23929  			break
 23930  		}
 23931  		if idx != x1.Args[1] {
 23932  			break
 23933  		}
 23934  		if mem != x1.Args[2] {
 23935  			break
 23936  		}
 23937  		if !(p.Op != OpSB && i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 23938  			break
 23939  		}
 23940  		b = mergePoint(b, x0, x1)
 23941  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 23942  		v.reset(OpCopy)
 23943  		v.AddArg(v0)
 23944  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 23945  		v1.AuxInt = i0
 23946  		v1.Aux = s
 23947  		v1.AddArg(p)
 23948  		v1.AddArg(idx)
 23949  		v1.AddArg(mem)
 23950  		v0.AddArg(v1)
 23951  		return true
 23952  	}
 23953  	// match: (OR x0:(MOVBZloadidx [i0] {s} p idx mem) sh:(SLDconst [8] x1:(MOVBZloadidx [i1] {s} idx p mem)))
 23954  	// cond: p.Op != OpSB   && i1 == i0+1   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 23955  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))
 23956  	for {
 23957  		x0 := v.Args[0]
 23958  		if x0.Op != OpS390XMOVBZloadidx {
 23959  			break
 23960  		}
 23961  		i0 := x0.AuxInt
 23962  		s := x0.Aux
 23963  		p := x0.Args[0]
 23964  		idx := x0.Args[1]
 23965  		mem := x0.Args[2]
 23966  		sh := v.Args[1]
 23967  		if sh.Op != OpS390XSLDconst {
 23968  			break
 23969  		}
 23970  		if sh.AuxInt != 8 {
 23971  			break
 23972  		}
 23973  		x1 := sh.Args[0]
 23974  		if x1.Op != OpS390XMOVBZloadidx {
 23975  			break
 23976  		}
 23977  		i1 := x1.AuxInt
 23978  		if x1.Aux != s {
 23979  			break
 23980  		}
 23981  		if idx != x1.Args[0] {
 23982  			break
 23983  		}
 23984  		if p != x1.Args[1] {
 23985  			break
 23986  		}
 23987  		if mem != x1.Args[2] {
 23988  			break
 23989  		}
 23990  		if !(p.Op != OpSB && i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 23991  			break
 23992  		}
 23993  		b = mergePoint(b, x0, x1)
 23994  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 23995  		v.reset(OpCopy)
 23996  		v.AddArg(v0)
 23997  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 23998  		v1.AuxInt = i0
 23999  		v1.Aux = s
 24000  		v1.AddArg(p)
 24001  		v1.AddArg(idx)
 24002  		v1.AddArg(mem)
 24003  		v0.AddArg(v1)
 24004  		return true
 24005  	}
 24006  	// match: (OR x0:(MOVBZloadidx [i0] {s} idx p mem) sh:(SLDconst [8] x1:(MOVBZloadidx [i1] {s} idx p mem)))
 24007  	// cond: p.Op != OpSB   && i1 == i0+1   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 24008  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))
 24009  	for {
 24010  		x0 := v.Args[0]
 24011  		if x0.Op != OpS390XMOVBZloadidx {
 24012  			break
 24013  		}
 24014  		i0 := x0.AuxInt
 24015  		s := x0.Aux
 24016  		idx := x0.Args[0]
 24017  		p := x0.Args[1]
 24018  		mem := x0.Args[2]
 24019  		sh := v.Args[1]
 24020  		if sh.Op != OpS390XSLDconst {
 24021  			break
 24022  		}
 24023  		if sh.AuxInt != 8 {
 24024  			break
 24025  		}
 24026  		x1 := sh.Args[0]
 24027  		if x1.Op != OpS390XMOVBZloadidx {
 24028  			break
 24029  		}
 24030  		i1 := x1.AuxInt
 24031  		if x1.Aux != s {
 24032  			break
 24033  		}
 24034  		if idx != x1.Args[0] {
 24035  			break
 24036  		}
 24037  		if p != x1.Args[1] {
 24038  			break
 24039  		}
 24040  		if mem != x1.Args[2] {
 24041  			break
 24042  		}
 24043  		if !(p.Op != OpSB && i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 24044  			break
 24045  		}
 24046  		b = mergePoint(b, x0, x1)
 24047  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 24048  		v.reset(OpCopy)
 24049  		v.AddArg(v0)
 24050  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 24051  		v1.AuxInt = i0
 24052  		v1.Aux = s
 24053  		v1.AddArg(p)
 24054  		v1.AddArg(idx)
 24055  		v1.AddArg(mem)
 24056  		v0.AddArg(v1)
 24057  		return true
 24058  	}
 24059  	// match: (OR sh:(SLDconst [8] x1:(MOVBZloadidx [i1] {s} p idx mem)) x0:(MOVBZloadidx [i0] {s} p idx mem))
 24060  	// cond: p.Op != OpSB   && i1 == i0+1   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 24061  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))
 24062  	for {
 24063  		sh := v.Args[0]
 24064  		if sh.Op != OpS390XSLDconst {
 24065  			break
 24066  		}
 24067  		if sh.AuxInt != 8 {
 24068  			break
 24069  		}
 24070  		x1 := sh.Args[0]
 24071  		if x1.Op != OpS390XMOVBZloadidx {
 24072  			break
 24073  		}
 24074  		i1 := x1.AuxInt
 24075  		s := x1.Aux
 24076  		p := x1.Args[0]
 24077  		idx := x1.Args[1]
 24078  		mem := x1.Args[2]
 24079  		x0 := v.Args[1]
 24080  		if x0.Op != OpS390XMOVBZloadidx {
 24081  			break
 24082  		}
 24083  		i0 := x0.AuxInt
 24084  		if x0.Aux != s {
 24085  			break
 24086  		}
 24087  		if p != x0.Args[0] {
 24088  			break
 24089  		}
 24090  		if idx != x0.Args[1] {
 24091  			break
 24092  		}
 24093  		if mem != x0.Args[2] {
 24094  			break
 24095  		}
 24096  		if !(p.Op != OpSB && i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 24097  			break
 24098  		}
 24099  		b = mergePoint(b, x0, x1)
 24100  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 24101  		v.reset(OpCopy)
 24102  		v.AddArg(v0)
 24103  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 24104  		v1.AuxInt = i0
 24105  		v1.Aux = s
 24106  		v1.AddArg(p)
 24107  		v1.AddArg(idx)
 24108  		v1.AddArg(mem)
 24109  		v0.AddArg(v1)
 24110  		return true
 24111  	}
 24112  	// match: (OR sh:(SLDconst [8] x1:(MOVBZloadidx [i1] {s} idx p mem)) x0:(MOVBZloadidx [i0] {s} p idx mem))
 24113  	// cond: p.Op != OpSB   && i1 == i0+1   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 24114  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))
 24115  	for {
 24116  		sh := v.Args[0]
 24117  		if sh.Op != OpS390XSLDconst {
 24118  			break
 24119  		}
 24120  		if sh.AuxInt != 8 {
 24121  			break
 24122  		}
 24123  		x1 := sh.Args[0]
 24124  		if x1.Op != OpS390XMOVBZloadidx {
 24125  			break
 24126  		}
 24127  		i1 := x1.AuxInt
 24128  		s := x1.Aux
 24129  		idx := x1.Args[0]
 24130  		p := x1.Args[1]
 24131  		mem := x1.Args[2]
 24132  		x0 := v.Args[1]
 24133  		if x0.Op != OpS390XMOVBZloadidx {
 24134  			break
 24135  		}
 24136  		i0 := x0.AuxInt
 24137  		if x0.Aux != s {
 24138  			break
 24139  		}
 24140  		if p != x0.Args[0] {
 24141  			break
 24142  		}
 24143  		if idx != x0.Args[1] {
 24144  			break
 24145  		}
 24146  		if mem != x0.Args[2] {
 24147  			break
 24148  		}
 24149  		if !(p.Op != OpSB && i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 24150  			break
 24151  		}
 24152  		b = mergePoint(b, x0, x1)
 24153  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 24154  		v.reset(OpCopy)
 24155  		v.AddArg(v0)
 24156  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 24157  		v1.AuxInt = i0
 24158  		v1.Aux = s
 24159  		v1.AddArg(p)
 24160  		v1.AddArg(idx)
 24161  		v1.AddArg(mem)
 24162  		v0.AddArg(v1)
 24163  		return true
 24164  	}
 24165  	// match: (OR sh:(SLDconst [8] x1:(MOVBZloadidx [i1] {s} p idx mem)) x0:(MOVBZloadidx [i0] {s} idx p mem))
 24166  	// cond: p.Op != OpSB   && i1 == i0+1   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 24167  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))
 24168  	for {
 24169  		sh := v.Args[0]
 24170  		if sh.Op != OpS390XSLDconst {
 24171  			break
 24172  		}
 24173  		if sh.AuxInt != 8 {
 24174  			break
 24175  		}
 24176  		x1 := sh.Args[0]
 24177  		if x1.Op != OpS390XMOVBZloadidx {
 24178  			break
 24179  		}
 24180  		i1 := x1.AuxInt
 24181  		s := x1.Aux
 24182  		p := x1.Args[0]
 24183  		idx := x1.Args[1]
 24184  		mem := x1.Args[2]
 24185  		x0 := v.Args[1]
 24186  		if x0.Op != OpS390XMOVBZloadidx {
 24187  			break
 24188  		}
 24189  		i0 := x0.AuxInt
 24190  		if x0.Aux != s {
 24191  			break
 24192  		}
 24193  		if idx != x0.Args[0] {
 24194  			break
 24195  		}
 24196  		if p != x0.Args[1] {
 24197  			break
 24198  		}
 24199  		if mem != x0.Args[2] {
 24200  			break
 24201  		}
 24202  		if !(p.Op != OpSB && i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 24203  			break
 24204  		}
 24205  		b = mergePoint(b, x0, x1)
 24206  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 24207  		v.reset(OpCopy)
 24208  		v.AddArg(v0)
 24209  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 24210  		v1.AuxInt = i0
 24211  		v1.Aux = s
 24212  		v1.AddArg(p)
 24213  		v1.AddArg(idx)
 24214  		v1.AddArg(mem)
 24215  		v0.AddArg(v1)
 24216  		return true
 24217  	}
 24218  	// match: (OR sh:(SLDconst [8] x1:(MOVBZloadidx [i1] {s} idx p mem)) x0:(MOVBZloadidx [i0] {s} idx p mem))
 24219  	// cond: p.Op != OpSB   && i1 == i0+1   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 24220  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))
 24221  	for {
 24222  		sh := v.Args[0]
 24223  		if sh.Op != OpS390XSLDconst {
 24224  			break
 24225  		}
 24226  		if sh.AuxInt != 8 {
 24227  			break
 24228  		}
 24229  		x1 := sh.Args[0]
 24230  		if x1.Op != OpS390XMOVBZloadidx {
 24231  			break
 24232  		}
 24233  		i1 := x1.AuxInt
 24234  		s := x1.Aux
 24235  		idx := x1.Args[0]
 24236  		p := x1.Args[1]
 24237  		mem := x1.Args[2]
 24238  		x0 := v.Args[1]
 24239  		if x0.Op != OpS390XMOVBZloadidx {
 24240  			break
 24241  		}
 24242  		i0 := x0.AuxInt
 24243  		if x0.Aux != s {
 24244  			break
 24245  		}
 24246  		if idx != x0.Args[0] {
 24247  			break
 24248  		}
 24249  		if p != x0.Args[1] {
 24250  			break
 24251  		}
 24252  		if mem != x0.Args[2] {
 24253  			break
 24254  		}
 24255  		if !(p.Op != OpSB && i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 24256  			break
 24257  		}
 24258  		b = mergePoint(b, x0, x1)
 24259  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 24260  		v.reset(OpCopy)
 24261  		v.AddArg(v0)
 24262  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 24263  		v1.AuxInt = i0
 24264  		v1.Aux = s
 24265  		v1.AddArg(p)
 24266  		v1.AddArg(idx)
 24267  		v1.AddArg(mem)
 24268  		v0.AddArg(v1)
 24269  		return true
 24270  	}
 24271  	// match: (OR r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem)) sh:(SLDconst [16] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))))
 24272  	// cond: i1 == i0+2   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 24273  	// result: @mergePoint(b,x0,x1) (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))
 24274  	for {
 24275  		r0 := v.Args[0]
 24276  		if r0.Op != OpS390XMOVHZreg {
 24277  			break
 24278  		}
 24279  		x0 := r0.Args[0]
 24280  		if x0.Op != OpS390XMOVHBRloadidx {
 24281  			break
 24282  		}
 24283  		i0 := x0.AuxInt
 24284  		s := x0.Aux
 24285  		p := x0.Args[0]
 24286  		idx := x0.Args[1]
 24287  		mem := x0.Args[2]
 24288  		sh := v.Args[1]
 24289  		if sh.Op != OpS390XSLDconst {
 24290  			break
 24291  		}
 24292  		if sh.AuxInt != 16 {
 24293  			break
 24294  		}
 24295  		r1 := sh.Args[0]
 24296  		if r1.Op != OpS390XMOVHZreg {
 24297  			break
 24298  		}
 24299  		x1 := r1.Args[0]
 24300  		if x1.Op != OpS390XMOVHBRloadidx {
 24301  			break
 24302  		}
 24303  		i1 := x1.AuxInt
 24304  		if x1.Aux != s {
 24305  			break
 24306  		}
 24307  		if p != x1.Args[0] {
 24308  			break
 24309  		}
 24310  		if idx != x1.Args[1] {
 24311  			break
 24312  		}
 24313  		if mem != x1.Args[2] {
 24314  			break
 24315  		}
 24316  		if !(i1 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 24317  			break
 24318  		}
 24319  		b = mergePoint(b, x0, x1)
 24320  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 24321  		v.reset(OpCopy)
 24322  		v.AddArg(v0)
 24323  		v1 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 24324  		v1.AuxInt = i0
 24325  		v1.Aux = s
 24326  		v1.AddArg(p)
 24327  		v1.AddArg(idx)
 24328  		v1.AddArg(mem)
 24329  		v0.AddArg(v1)
 24330  		return true
 24331  	}
 24332  	// match: (OR r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem)) sh:(SLDconst [16] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))))
 24333  	// cond: i1 == i0+2   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 24334  	// result: @mergePoint(b,x0,x1) (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))
 24335  	for {
 24336  		r0 := v.Args[0]
 24337  		if r0.Op != OpS390XMOVHZreg {
 24338  			break
 24339  		}
 24340  		x0 := r0.Args[0]
 24341  		if x0.Op != OpS390XMOVHBRloadidx {
 24342  			break
 24343  		}
 24344  		i0 := x0.AuxInt
 24345  		s := x0.Aux
 24346  		idx := x0.Args[0]
 24347  		p := x0.Args[1]
 24348  		mem := x0.Args[2]
 24349  		sh := v.Args[1]
 24350  		if sh.Op != OpS390XSLDconst {
 24351  			break
 24352  		}
 24353  		if sh.AuxInt != 16 {
 24354  			break
 24355  		}
 24356  		r1 := sh.Args[0]
 24357  		if r1.Op != OpS390XMOVHZreg {
 24358  			break
 24359  		}
 24360  		x1 := r1.Args[0]
 24361  		if x1.Op != OpS390XMOVHBRloadidx {
 24362  			break
 24363  		}
 24364  		i1 := x1.AuxInt
 24365  		if x1.Aux != s {
 24366  			break
 24367  		}
 24368  		if p != x1.Args[0] {
 24369  			break
 24370  		}
 24371  		if idx != x1.Args[1] {
 24372  			break
 24373  		}
 24374  		if mem != x1.Args[2] {
 24375  			break
 24376  		}
 24377  		if !(i1 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 24378  			break
 24379  		}
 24380  		b = mergePoint(b, x0, x1)
 24381  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 24382  		v.reset(OpCopy)
 24383  		v.AddArg(v0)
 24384  		v1 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 24385  		v1.AuxInt = i0
 24386  		v1.Aux = s
 24387  		v1.AddArg(p)
 24388  		v1.AddArg(idx)
 24389  		v1.AddArg(mem)
 24390  		v0.AddArg(v1)
 24391  		return true
 24392  	}
 24393  	// match: (OR r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem)) sh:(SLDconst [16] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))))
 24394  	// cond: i1 == i0+2   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 24395  	// result: @mergePoint(b,x0,x1) (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))
 24396  	for {
 24397  		r0 := v.Args[0]
 24398  		if r0.Op != OpS390XMOVHZreg {
 24399  			break
 24400  		}
 24401  		x0 := r0.Args[0]
 24402  		if x0.Op != OpS390XMOVHBRloadidx {
 24403  			break
 24404  		}
 24405  		i0 := x0.AuxInt
 24406  		s := x0.Aux
 24407  		p := x0.Args[0]
 24408  		idx := x0.Args[1]
 24409  		mem := x0.Args[2]
 24410  		sh := v.Args[1]
 24411  		if sh.Op != OpS390XSLDconst {
 24412  			break
 24413  		}
 24414  		if sh.AuxInt != 16 {
 24415  			break
 24416  		}
 24417  		r1 := sh.Args[0]
 24418  		if r1.Op != OpS390XMOVHZreg {
 24419  			break
 24420  		}
 24421  		x1 := r1.Args[0]
 24422  		if x1.Op != OpS390XMOVHBRloadidx {
 24423  			break
 24424  		}
 24425  		i1 := x1.AuxInt
 24426  		if x1.Aux != s {
 24427  			break
 24428  		}
 24429  		if idx != x1.Args[0] {
 24430  			break
 24431  		}
 24432  		if p != x1.Args[1] {
 24433  			break
 24434  		}
 24435  		if mem != x1.Args[2] {
 24436  			break
 24437  		}
 24438  		if !(i1 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 24439  			break
 24440  		}
 24441  		b = mergePoint(b, x0, x1)
 24442  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 24443  		v.reset(OpCopy)
 24444  		v.AddArg(v0)
 24445  		v1 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 24446  		v1.AuxInt = i0
 24447  		v1.Aux = s
 24448  		v1.AddArg(p)
 24449  		v1.AddArg(idx)
 24450  		v1.AddArg(mem)
 24451  		v0.AddArg(v1)
 24452  		return true
 24453  	}
 24454  	// match: (OR r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem)) sh:(SLDconst [16] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))))
 24455  	// cond: i1 == i0+2   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 24456  	// result: @mergePoint(b,x0,x1) (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))
 24457  	for {
 24458  		r0 := v.Args[0]
 24459  		if r0.Op != OpS390XMOVHZreg {
 24460  			break
 24461  		}
 24462  		x0 := r0.Args[0]
 24463  		if x0.Op != OpS390XMOVHBRloadidx {
 24464  			break
 24465  		}
 24466  		i0 := x0.AuxInt
 24467  		s := x0.Aux
 24468  		idx := x0.Args[0]
 24469  		p := x0.Args[1]
 24470  		mem := x0.Args[2]
 24471  		sh := v.Args[1]
 24472  		if sh.Op != OpS390XSLDconst {
 24473  			break
 24474  		}
 24475  		if sh.AuxInt != 16 {
 24476  			break
 24477  		}
 24478  		r1 := sh.Args[0]
 24479  		if r1.Op != OpS390XMOVHZreg {
 24480  			break
 24481  		}
 24482  		x1 := r1.Args[0]
 24483  		if x1.Op != OpS390XMOVHBRloadidx {
 24484  			break
 24485  		}
 24486  		i1 := x1.AuxInt
 24487  		if x1.Aux != s {
 24488  			break
 24489  		}
 24490  		if idx != x1.Args[0] {
 24491  			break
 24492  		}
 24493  		if p != x1.Args[1] {
 24494  			break
 24495  		}
 24496  		if mem != x1.Args[2] {
 24497  			break
 24498  		}
 24499  		if !(i1 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 24500  			break
 24501  		}
 24502  		b = mergePoint(b, x0, x1)
 24503  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 24504  		v.reset(OpCopy)
 24505  		v.AddArg(v0)
 24506  		v1 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 24507  		v1.AuxInt = i0
 24508  		v1.Aux = s
 24509  		v1.AddArg(p)
 24510  		v1.AddArg(idx)
 24511  		v1.AddArg(mem)
 24512  		v0.AddArg(v1)
 24513  		return true
 24514  	}
 24515  	// match: (OR sh:(SLDconst [16] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))) r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem)))
 24516  	// cond: i1 == i0+2   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 24517  	// result: @mergePoint(b,x0,x1) (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))
 24518  	for {
 24519  		sh := v.Args[0]
 24520  		if sh.Op != OpS390XSLDconst {
 24521  			break
 24522  		}
 24523  		if sh.AuxInt != 16 {
 24524  			break
 24525  		}
 24526  		r1 := sh.Args[0]
 24527  		if r1.Op != OpS390XMOVHZreg {
 24528  			break
 24529  		}
 24530  		x1 := r1.Args[0]
 24531  		if x1.Op != OpS390XMOVHBRloadidx {
 24532  			break
 24533  		}
 24534  		i1 := x1.AuxInt
 24535  		s := x1.Aux
 24536  		p := x1.Args[0]
 24537  		idx := x1.Args[1]
 24538  		mem := x1.Args[2]
 24539  		r0 := v.Args[1]
 24540  		if r0.Op != OpS390XMOVHZreg {
 24541  			break
 24542  		}
 24543  		x0 := r0.Args[0]
 24544  		if x0.Op != OpS390XMOVHBRloadidx {
 24545  			break
 24546  		}
 24547  		i0 := x0.AuxInt
 24548  		if x0.Aux != s {
 24549  			break
 24550  		}
 24551  		if p != x0.Args[0] {
 24552  			break
 24553  		}
 24554  		if idx != x0.Args[1] {
 24555  			break
 24556  		}
 24557  		if mem != x0.Args[2] {
 24558  			break
 24559  		}
 24560  		if !(i1 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 24561  			break
 24562  		}
 24563  		b = mergePoint(b, x0, x1)
 24564  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 24565  		v.reset(OpCopy)
 24566  		v.AddArg(v0)
 24567  		v1 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 24568  		v1.AuxInt = i0
 24569  		v1.Aux = s
 24570  		v1.AddArg(p)
 24571  		v1.AddArg(idx)
 24572  		v1.AddArg(mem)
 24573  		v0.AddArg(v1)
 24574  		return true
 24575  	}
 24576  	// match: (OR sh:(SLDconst [16] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))) r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem)))
 24577  	// cond: i1 == i0+2   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 24578  	// result: @mergePoint(b,x0,x1) (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))
 24579  	for {
 24580  		sh := v.Args[0]
 24581  		if sh.Op != OpS390XSLDconst {
 24582  			break
 24583  		}
 24584  		if sh.AuxInt != 16 {
 24585  			break
 24586  		}
 24587  		r1 := sh.Args[0]
 24588  		if r1.Op != OpS390XMOVHZreg {
 24589  			break
 24590  		}
 24591  		x1 := r1.Args[0]
 24592  		if x1.Op != OpS390XMOVHBRloadidx {
 24593  			break
 24594  		}
 24595  		i1 := x1.AuxInt
 24596  		s := x1.Aux
 24597  		idx := x1.Args[0]
 24598  		p := x1.Args[1]
 24599  		mem := x1.Args[2]
 24600  		r0 := v.Args[1]
 24601  		if r0.Op != OpS390XMOVHZreg {
 24602  			break
 24603  		}
 24604  		x0 := r0.Args[0]
 24605  		if x0.Op != OpS390XMOVHBRloadidx {
 24606  			break
 24607  		}
 24608  		i0 := x0.AuxInt
 24609  		if x0.Aux != s {
 24610  			break
 24611  		}
 24612  		if p != x0.Args[0] {
 24613  			break
 24614  		}
 24615  		if idx != x0.Args[1] {
 24616  			break
 24617  		}
 24618  		if mem != x0.Args[2] {
 24619  			break
 24620  		}
 24621  		if !(i1 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 24622  			break
 24623  		}
 24624  		b = mergePoint(b, x0, x1)
 24625  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 24626  		v.reset(OpCopy)
 24627  		v.AddArg(v0)
 24628  		v1 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 24629  		v1.AuxInt = i0
 24630  		v1.Aux = s
 24631  		v1.AddArg(p)
 24632  		v1.AddArg(idx)
 24633  		v1.AddArg(mem)
 24634  		v0.AddArg(v1)
 24635  		return true
 24636  	}
 24637  	// match: (OR sh:(SLDconst [16] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))) r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem)))
 24638  	// cond: i1 == i0+2   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 24639  	// result: @mergePoint(b,x0,x1) (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))
 24640  	for {
 24641  		sh := v.Args[0]
 24642  		if sh.Op != OpS390XSLDconst {
 24643  			break
 24644  		}
 24645  		if sh.AuxInt != 16 {
 24646  			break
 24647  		}
 24648  		r1 := sh.Args[0]
 24649  		if r1.Op != OpS390XMOVHZreg {
 24650  			break
 24651  		}
 24652  		x1 := r1.Args[0]
 24653  		if x1.Op != OpS390XMOVHBRloadidx {
 24654  			break
 24655  		}
 24656  		i1 := x1.AuxInt
 24657  		s := x1.Aux
 24658  		p := x1.Args[0]
 24659  		idx := x1.Args[1]
 24660  		mem := x1.Args[2]
 24661  		r0 := v.Args[1]
 24662  		if r0.Op != OpS390XMOVHZreg {
 24663  			break
 24664  		}
 24665  		x0 := r0.Args[0]
 24666  		if x0.Op != OpS390XMOVHBRloadidx {
 24667  			break
 24668  		}
 24669  		i0 := x0.AuxInt
 24670  		if x0.Aux != s {
 24671  			break
 24672  		}
 24673  		if idx != x0.Args[0] {
 24674  			break
 24675  		}
 24676  		if p != x0.Args[1] {
 24677  			break
 24678  		}
 24679  		if mem != x0.Args[2] {
 24680  			break
 24681  		}
 24682  		if !(i1 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 24683  			break
 24684  		}
 24685  		b = mergePoint(b, x0, x1)
 24686  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 24687  		v.reset(OpCopy)
 24688  		v.AddArg(v0)
 24689  		v1 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 24690  		v1.AuxInt = i0
 24691  		v1.Aux = s
 24692  		v1.AddArg(p)
 24693  		v1.AddArg(idx)
 24694  		v1.AddArg(mem)
 24695  		v0.AddArg(v1)
 24696  		return true
 24697  	}
 24698  	// match: (OR sh:(SLDconst [16] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))) r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem)))
 24699  	// cond: i1 == i0+2   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 24700  	// result: @mergePoint(b,x0,x1) (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))
 24701  	for {
 24702  		sh := v.Args[0]
 24703  		if sh.Op != OpS390XSLDconst {
 24704  			break
 24705  		}
 24706  		if sh.AuxInt != 16 {
 24707  			break
 24708  		}
 24709  		r1 := sh.Args[0]
 24710  		if r1.Op != OpS390XMOVHZreg {
 24711  			break
 24712  		}
 24713  		x1 := r1.Args[0]
 24714  		if x1.Op != OpS390XMOVHBRloadidx {
 24715  			break
 24716  		}
 24717  		i1 := x1.AuxInt
 24718  		s := x1.Aux
 24719  		idx := x1.Args[0]
 24720  		p := x1.Args[1]
 24721  		mem := x1.Args[2]
 24722  		r0 := v.Args[1]
 24723  		if r0.Op != OpS390XMOVHZreg {
 24724  			break
 24725  		}
 24726  		x0 := r0.Args[0]
 24727  		if x0.Op != OpS390XMOVHBRloadidx {
 24728  			break
 24729  		}
 24730  		i0 := x0.AuxInt
 24731  		if x0.Aux != s {
 24732  			break
 24733  		}
 24734  		if idx != x0.Args[0] {
 24735  			break
 24736  		}
 24737  		if p != x0.Args[1] {
 24738  			break
 24739  		}
 24740  		if mem != x0.Args[2] {
 24741  			break
 24742  		}
 24743  		if !(i1 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 24744  			break
 24745  		}
 24746  		b = mergePoint(b, x0, x1)
 24747  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 24748  		v.reset(OpCopy)
 24749  		v.AddArg(v0)
 24750  		v1 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 24751  		v1.AuxInt = i0
 24752  		v1.Aux = s
 24753  		v1.AddArg(p)
 24754  		v1.AddArg(idx)
 24755  		v1.AddArg(mem)
 24756  		v0.AddArg(v1)
 24757  		return true
 24758  	}
 24759  	// match: (OR r0:(MOVWZreg x0:(MOVWBRloadidx [i0] {s} p idx mem)) sh:(SLDconst [32] r1:(MOVWZreg x1:(MOVWBRloadidx [i1] {s} p idx mem))))
 24760  	// cond: i1 == i0+4   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 24761  	// result: @mergePoint(b,x0,x1) (MOVDBRloadidx [i0] {s} p idx mem)
 24762  	for {
 24763  		r0 := v.Args[0]
 24764  		if r0.Op != OpS390XMOVWZreg {
 24765  			break
 24766  		}
 24767  		x0 := r0.Args[0]
 24768  		if x0.Op != OpS390XMOVWBRloadidx {
 24769  			break
 24770  		}
 24771  		i0 := x0.AuxInt
 24772  		s := x0.Aux
 24773  		p := x0.Args[0]
 24774  		idx := x0.Args[1]
 24775  		mem := x0.Args[2]
 24776  		sh := v.Args[1]
 24777  		if sh.Op != OpS390XSLDconst {
 24778  			break
 24779  		}
 24780  		if sh.AuxInt != 32 {
 24781  			break
 24782  		}
 24783  		r1 := sh.Args[0]
 24784  		if r1.Op != OpS390XMOVWZreg {
 24785  			break
 24786  		}
 24787  		x1 := r1.Args[0]
 24788  		if x1.Op != OpS390XMOVWBRloadidx {
 24789  			break
 24790  		}
 24791  		i1 := x1.AuxInt
 24792  		if x1.Aux != s {
 24793  			break
 24794  		}
 24795  		if p != x1.Args[0] {
 24796  			break
 24797  		}
 24798  		if idx != x1.Args[1] {
 24799  			break
 24800  		}
 24801  		if mem != x1.Args[2] {
 24802  			break
 24803  		}
 24804  		if !(i1 == i0+4 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 24805  			break
 24806  		}
 24807  		b = mergePoint(b, x0, x1)
 24808  		v0 := b.NewValue0(v.Pos, OpS390XMOVDBRloadidx, types.Int64)
 24809  		v.reset(OpCopy)
 24810  		v.AddArg(v0)
 24811  		v0.AuxInt = i0
 24812  		v0.Aux = s
 24813  		v0.AddArg(p)
 24814  		v0.AddArg(idx)
 24815  		v0.AddArg(mem)
 24816  		return true
 24817  	}
 24818  	// match: (OR r0:(MOVWZreg x0:(MOVWBRloadidx [i0] {s} idx p mem)) sh:(SLDconst [32] r1:(MOVWZreg x1:(MOVWBRloadidx [i1] {s} p idx mem))))
 24819  	// cond: i1 == i0+4   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 24820  	// result: @mergePoint(b,x0,x1) (MOVDBRloadidx [i0] {s} p idx mem)
 24821  	for {
 24822  		r0 := v.Args[0]
 24823  		if r0.Op != OpS390XMOVWZreg {
 24824  			break
 24825  		}
 24826  		x0 := r0.Args[0]
 24827  		if x0.Op != OpS390XMOVWBRloadidx {
 24828  			break
 24829  		}
 24830  		i0 := x0.AuxInt
 24831  		s := x0.Aux
 24832  		idx := x0.Args[0]
 24833  		p := x0.Args[1]
 24834  		mem := x0.Args[2]
 24835  		sh := v.Args[1]
 24836  		if sh.Op != OpS390XSLDconst {
 24837  			break
 24838  		}
 24839  		if sh.AuxInt != 32 {
 24840  			break
 24841  		}
 24842  		r1 := sh.Args[0]
 24843  		if r1.Op != OpS390XMOVWZreg {
 24844  			break
 24845  		}
 24846  		x1 := r1.Args[0]
 24847  		if x1.Op != OpS390XMOVWBRloadidx {
 24848  			break
 24849  		}
 24850  		i1 := x1.AuxInt
 24851  		if x1.Aux != s {
 24852  			break
 24853  		}
 24854  		if p != x1.Args[0] {
 24855  			break
 24856  		}
 24857  		if idx != x1.Args[1] {
 24858  			break
 24859  		}
 24860  		if mem != x1.Args[2] {
 24861  			break
 24862  		}
 24863  		if !(i1 == i0+4 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 24864  			break
 24865  		}
 24866  		b = mergePoint(b, x0, x1)
 24867  		v0 := b.NewValue0(v.Pos, OpS390XMOVDBRloadidx, types.Int64)
 24868  		v.reset(OpCopy)
 24869  		v.AddArg(v0)
 24870  		v0.AuxInt = i0
 24871  		v0.Aux = s
 24872  		v0.AddArg(p)
 24873  		v0.AddArg(idx)
 24874  		v0.AddArg(mem)
 24875  		return true
 24876  	}
 24877  	// match: (OR r0:(MOVWZreg x0:(MOVWBRloadidx [i0] {s} p idx mem)) sh:(SLDconst [32] r1:(MOVWZreg x1:(MOVWBRloadidx [i1] {s} idx p mem))))
 24878  	// cond: i1 == i0+4   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 24879  	// result: @mergePoint(b,x0,x1) (MOVDBRloadidx [i0] {s} p idx mem)
 24880  	for {
 24881  		r0 := v.Args[0]
 24882  		if r0.Op != OpS390XMOVWZreg {
 24883  			break
 24884  		}
 24885  		x0 := r0.Args[0]
 24886  		if x0.Op != OpS390XMOVWBRloadidx {
 24887  			break
 24888  		}
 24889  		i0 := x0.AuxInt
 24890  		s := x0.Aux
 24891  		p := x0.Args[0]
 24892  		idx := x0.Args[1]
 24893  		mem := x0.Args[2]
 24894  		sh := v.Args[1]
 24895  		if sh.Op != OpS390XSLDconst {
 24896  			break
 24897  		}
 24898  		if sh.AuxInt != 32 {
 24899  			break
 24900  		}
 24901  		r1 := sh.Args[0]
 24902  		if r1.Op != OpS390XMOVWZreg {
 24903  			break
 24904  		}
 24905  		x1 := r1.Args[0]
 24906  		if x1.Op != OpS390XMOVWBRloadidx {
 24907  			break
 24908  		}
 24909  		i1 := x1.AuxInt
 24910  		if x1.Aux != s {
 24911  			break
 24912  		}
 24913  		if idx != x1.Args[0] {
 24914  			break
 24915  		}
 24916  		if p != x1.Args[1] {
 24917  			break
 24918  		}
 24919  		if mem != x1.Args[2] {
 24920  			break
 24921  		}
 24922  		if !(i1 == i0+4 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 24923  			break
 24924  		}
 24925  		b = mergePoint(b, x0, x1)
 24926  		v0 := b.NewValue0(v.Pos, OpS390XMOVDBRloadidx, types.Int64)
 24927  		v.reset(OpCopy)
 24928  		v.AddArg(v0)
 24929  		v0.AuxInt = i0
 24930  		v0.Aux = s
 24931  		v0.AddArg(p)
 24932  		v0.AddArg(idx)
 24933  		v0.AddArg(mem)
 24934  		return true
 24935  	}
 24936  	// match: (OR r0:(MOVWZreg x0:(MOVWBRloadidx [i0] {s} idx p mem)) sh:(SLDconst [32] r1:(MOVWZreg x1:(MOVWBRloadidx [i1] {s} idx p mem))))
 24937  	// cond: i1 == i0+4   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 24938  	// result: @mergePoint(b,x0,x1) (MOVDBRloadidx [i0] {s} p idx mem)
 24939  	for {
 24940  		r0 := v.Args[0]
 24941  		if r0.Op != OpS390XMOVWZreg {
 24942  			break
 24943  		}
 24944  		x0 := r0.Args[0]
 24945  		if x0.Op != OpS390XMOVWBRloadidx {
 24946  			break
 24947  		}
 24948  		i0 := x0.AuxInt
 24949  		s := x0.Aux
 24950  		idx := x0.Args[0]
 24951  		p := x0.Args[1]
 24952  		mem := x0.Args[2]
 24953  		sh := v.Args[1]
 24954  		if sh.Op != OpS390XSLDconst {
 24955  			break
 24956  		}
 24957  		if sh.AuxInt != 32 {
 24958  			break
 24959  		}
 24960  		r1 := sh.Args[0]
 24961  		if r1.Op != OpS390XMOVWZreg {
 24962  			break
 24963  		}
 24964  		x1 := r1.Args[0]
 24965  		if x1.Op != OpS390XMOVWBRloadidx {
 24966  			break
 24967  		}
 24968  		i1 := x1.AuxInt
 24969  		if x1.Aux != s {
 24970  			break
 24971  		}
 24972  		if idx != x1.Args[0] {
 24973  			break
 24974  		}
 24975  		if p != x1.Args[1] {
 24976  			break
 24977  		}
 24978  		if mem != x1.Args[2] {
 24979  			break
 24980  		}
 24981  		if !(i1 == i0+4 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 24982  			break
 24983  		}
 24984  		b = mergePoint(b, x0, x1)
 24985  		v0 := b.NewValue0(v.Pos, OpS390XMOVDBRloadidx, types.Int64)
 24986  		v.reset(OpCopy)
 24987  		v.AddArg(v0)
 24988  		v0.AuxInt = i0
 24989  		v0.Aux = s
 24990  		v0.AddArg(p)
 24991  		v0.AddArg(idx)
 24992  		v0.AddArg(mem)
 24993  		return true
 24994  	}
 24995  	// match: (OR sh:(SLDconst [32] r1:(MOVWZreg x1:(MOVWBRloadidx [i1] {s} p idx mem))) r0:(MOVWZreg x0:(MOVWBRloadidx [i0] {s} p idx mem)))
 24996  	// cond: i1 == i0+4   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 24997  	// result: @mergePoint(b,x0,x1) (MOVDBRloadidx [i0] {s} p idx mem)
 24998  	for {
 24999  		sh := v.Args[0]
 25000  		if sh.Op != OpS390XSLDconst {
 25001  			break
 25002  		}
 25003  		if sh.AuxInt != 32 {
 25004  			break
 25005  		}
 25006  		r1 := sh.Args[0]
 25007  		if r1.Op != OpS390XMOVWZreg {
 25008  			break
 25009  		}
 25010  		x1 := r1.Args[0]
 25011  		if x1.Op != OpS390XMOVWBRloadidx {
 25012  			break
 25013  		}
 25014  		i1 := x1.AuxInt
 25015  		s := x1.Aux
 25016  		p := x1.Args[0]
 25017  		idx := x1.Args[1]
 25018  		mem := x1.Args[2]
 25019  		r0 := v.Args[1]
 25020  		if r0.Op != OpS390XMOVWZreg {
 25021  			break
 25022  		}
 25023  		x0 := r0.Args[0]
 25024  		if x0.Op != OpS390XMOVWBRloadidx {
 25025  			break
 25026  		}
 25027  		i0 := x0.AuxInt
 25028  		if x0.Aux != s {
 25029  			break
 25030  		}
 25031  		if p != x0.Args[0] {
 25032  			break
 25033  		}
 25034  		if idx != x0.Args[1] {
 25035  			break
 25036  		}
 25037  		if mem != x0.Args[2] {
 25038  			break
 25039  		}
 25040  		if !(i1 == i0+4 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 25041  			break
 25042  		}
 25043  		b = mergePoint(b, x0, x1)
 25044  		v0 := b.NewValue0(v.Pos, OpS390XMOVDBRloadidx, types.Int64)
 25045  		v.reset(OpCopy)
 25046  		v.AddArg(v0)
 25047  		v0.AuxInt = i0
 25048  		v0.Aux = s
 25049  		v0.AddArg(p)
 25050  		v0.AddArg(idx)
 25051  		v0.AddArg(mem)
 25052  		return true
 25053  	}
 25054  	// match: (OR sh:(SLDconst [32] r1:(MOVWZreg x1:(MOVWBRloadidx [i1] {s} idx p mem))) r0:(MOVWZreg x0:(MOVWBRloadidx [i0] {s} p idx mem)))
 25055  	// cond: i1 == i0+4   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 25056  	// result: @mergePoint(b,x0,x1) (MOVDBRloadidx [i0] {s} p idx mem)
 25057  	for {
 25058  		sh := v.Args[0]
 25059  		if sh.Op != OpS390XSLDconst {
 25060  			break
 25061  		}
 25062  		if sh.AuxInt != 32 {
 25063  			break
 25064  		}
 25065  		r1 := sh.Args[0]
 25066  		if r1.Op != OpS390XMOVWZreg {
 25067  			break
 25068  		}
 25069  		x1 := r1.Args[0]
 25070  		if x1.Op != OpS390XMOVWBRloadidx {
 25071  			break
 25072  		}
 25073  		i1 := x1.AuxInt
 25074  		s := x1.Aux
 25075  		idx := x1.Args[0]
 25076  		p := x1.Args[1]
 25077  		mem := x1.Args[2]
 25078  		r0 := v.Args[1]
 25079  		if r0.Op != OpS390XMOVWZreg {
 25080  			break
 25081  		}
 25082  		x0 := r0.Args[0]
 25083  		if x0.Op != OpS390XMOVWBRloadidx {
 25084  			break
 25085  		}
 25086  		i0 := x0.AuxInt
 25087  		if x0.Aux != s {
 25088  			break
 25089  		}
 25090  		if p != x0.Args[0] {
 25091  			break
 25092  		}
 25093  		if idx != x0.Args[1] {
 25094  			break
 25095  		}
 25096  		if mem != x0.Args[2] {
 25097  			break
 25098  		}
 25099  		if !(i1 == i0+4 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 25100  			break
 25101  		}
 25102  		b = mergePoint(b, x0, x1)
 25103  		v0 := b.NewValue0(v.Pos, OpS390XMOVDBRloadidx, types.Int64)
 25104  		v.reset(OpCopy)
 25105  		v.AddArg(v0)
 25106  		v0.AuxInt = i0
 25107  		v0.Aux = s
 25108  		v0.AddArg(p)
 25109  		v0.AddArg(idx)
 25110  		v0.AddArg(mem)
 25111  		return true
 25112  	}
 25113  	// match: (OR sh:(SLDconst [32] r1:(MOVWZreg x1:(MOVWBRloadidx [i1] {s} p idx mem))) r0:(MOVWZreg x0:(MOVWBRloadidx [i0] {s} idx p mem)))
 25114  	// cond: i1 == i0+4   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 25115  	// result: @mergePoint(b,x0,x1) (MOVDBRloadidx [i0] {s} p idx mem)
 25116  	for {
 25117  		sh := v.Args[0]
 25118  		if sh.Op != OpS390XSLDconst {
 25119  			break
 25120  		}
 25121  		if sh.AuxInt != 32 {
 25122  			break
 25123  		}
 25124  		r1 := sh.Args[0]
 25125  		if r1.Op != OpS390XMOVWZreg {
 25126  			break
 25127  		}
 25128  		x1 := r1.Args[0]
 25129  		if x1.Op != OpS390XMOVWBRloadidx {
 25130  			break
 25131  		}
 25132  		i1 := x1.AuxInt
 25133  		s := x1.Aux
 25134  		p := x1.Args[0]
 25135  		idx := x1.Args[1]
 25136  		mem := x1.Args[2]
 25137  		r0 := v.Args[1]
 25138  		if r0.Op != OpS390XMOVWZreg {
 25139  			break
 25140  		}
 25141  		x0 := r0.Args[0]
 25142  		if x0.Op != OpS390XMOVWBRloadidx {
 25143  			break
 25144  		}
 25145  		i0 := x0.AuxInt
 25146  		if x0.Aux != s {
 25147  			break
 25148  		}
 25149  		if idx != x0.Args[0] {
 25150  			break
 25151  		}
 25152  		if p != x0.Args[1] {
 25153  			break
 25154  		}
 25155  		if mem != x0.Args[2] {
 25156  			break
 25157  		}
 25158  		if !(i1 == i0+4 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 25159  			break
 25160  		}
 25161  		b = mergePoint(b, x0, x1)
 25162  		v0 := b.NewValue0(v.Pos, OpS390XMOVDBRloadidx, types.Int64)
 25163  		v.reset(OpCopy)
 25164  		v.AddArg(v0)
 25165  		v0.AuxInt = i0
 25166  		v0.Aux = s
 25167  		v0.AddArg(p)
 25168  		v0.AddArg(idx)
 25169  		v0.AddArg(mem)
 25170  		return true
 25171  	}
 25172  	// match: (OR sh:(SLDconst [32] r1:(MOVWZreg x1:(MOVWBRloadidx [i1] {s} idx p mem))) r0:(MOVWZreg x0:(MOVWBRloadidx [i0] {s} idx p mem)))
 25173  	// cond: i1 == i0+4   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 25174  	// result: @mergePoint(b,x0,x1) (MOVDBRloadidx [i0] {s} p idx mem)
 25175  	for {
 25176  		sh := v.Args[0]
 25177  		if sh.Op != OpS390XSLDconst {
 25178  			break
 25179  		}
 25180  		if sh.AuxInt != 32 {
 25181  			break
 25182  		}
 25183  		r1 := sh.Args[0]
 25184  		if r1.Op != OpS390XMOVWZreg {
 25185  			break
 25186  		}
 25187  		x1 := r1.Args[0]
 25188  		if x1.Op != OpS390XMOVWBRloadidx {
 25189  			break
 25190  		}
 25191  		i1 := x1.AuxInt
 25192  		s := x1.Aux
 25193  		idx := x1.Args[0]
 25194  		p := x1.Args[1]
 25195  		mem := x1.Args[2]
 25196  		r0 := v.Args[1]
 25197  		if r0.Op != OpS390XMOVWZreg {
 25198  			break
 25199  		}
 25200  		x0 := r0.Args[0]
 25201  		if x0.Op != OpS390XMOVWBRloadidx {
 25202  			break
 25203  		}
 25204  		i0 := x0.AuxInt
 25205  		if x0.Aux != s {
 25206  			break
 25207  		}
 25208  		if idx != x0.Args[0] {
 25209  			break
 25210  		}
 25211  		if p != x0.Args[1] {
 25212  			break
 25213  		}
 25214  		if mem != x0.Args[2] {
 25215  			break
 25216  		}
 25217  		if !(i1 == i0+4 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 25218  			break
 25219  		}
 25220  		b = mergePoint(b, x0, x1)
 25221  		v0 := b.NewValue0(v.Pos, OpS390XMOVDBRloadidx, types.Int64)
 25222  		v.reset(OpCopy)
 25223  		v.AddArg(v0)
 25224  		v0.AuxInt = i0
 25225  		v0.Aux = s
 25226  		v0.AddArg(p)
 25227  		v0.AddArg(idx)
 25228  		v0.AddArg(mem)
 25229  		return true
 25230  	}
 25231  	// match: (OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) or:(OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) y))
 25232  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 25233  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 25234  	for {
 25235  		s1 := v.Args[0]
 25236  		if s1.Op != OpS390XSLDconst {
 25237  			break
 25238  		}
 25239  		j1 := s1.AuxInt
 25240  		x1 := s1.Args[0]
 25241  		if x1.Op != OpS390XMOVBZloadidx {
 25242  			break
 25243  		}
 25244  		i1 := x1.AuxInt
 25245  		s := x1.Aux
 25246  		p := x1.Args[0]
 25247  		idx := x1.Args[1]
 25248  		mem := x1.Args[2]
 25249  		or := v.Args[1]
 25250  		if or.Op != OpS390XOR {
 25251  			break
 25252  		}
 25253  		s0 := or.Args[0]
 25254  		if s0.Op != OpS390XSLDconst {
 25255  			break
 25256  		}
 25257  		j0 := s0.AuxInt
 25258  		x0 := s0.Args[0]
 25259  		if x0.Op != OpS390XMOVBZloadidx {
 25260  			break
 25261  		}
 25262  		i0 := x0.AuxInt
 25263  		if x0.Aux != s {
 25264  			break
 25265  		}
 25266  		if p != x0.Args[0] {
 25267  			break
 25268  		}
 25269  		if idx != x0.Args[1] {
 25270  			break
 25271  		}
 25272  		if mem != x0.Args[2] {
 25273  			break
 25274  		}
 25275  		y := or.Args[1]
 25276  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 25277  			break
 25278  		}
 25279  		b = mergePoint(b, x0, x1)
 25280  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 25281  		v.reset(OpCopy)
 25282  		v.AddArg(v0)
 25283  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 25284  		v1.AuxInt = j0
 25285  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 25286  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 25287  		v3.AuxInt = i0
 25288  		v3.Aux = s
 25289  		v3.AddArg(p)
 25290  		v3.AddArg(idx)
 25291  		v3.AddArg(mem)
 25292  		v2.AddArg(v3)
 25293  		v1.AddArg(v2)
 25294  		v0.AddArg(v1)
 25295  		v0.AddArg(y)
 25296  		return true
 25297  	}
 25298  	// match: (OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) or:(OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) y))
 25299  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 25300  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 25301  	for {
 25302  		s1 := v.Args[0]
 25303  		if s1.Op != OpS390XSLDconst {
 25304  			break
 25305  		}
 25306  		j1 := s1.AuxInt
 25307  		x1 := s1.Args[0]
 25308  		if x1.Op != OpS390XMOVBZloadidx {
 25309  			break
 25310  		}
 25311  		i1 := x1.AuxInt
 25312  		s := x1.Aux
 25313  		idx := x1.Args[0]
 25314  		p := x1.Args[1]
 25315  		mem := x1.Args[2]
 25316  		or := v.Args[1]
 25317  		if or.Op != OpS390XOR {
 25318  			break
 25319  		}
 25320  		s0 := or.Args[0]
 25321  		if s0.Op != OpS390XSLDconst {
 25322  			break
 25323  		}
 25324  		j0 := s0.AuxInt
 25325  		x0 := s0.Args[0]
 25326  		if x0.Op != OpS390XMOVBZloadidx {
 25327  			break
 25328  		}
 25329  		i0 := x0.AuxInt
 25330  		if x0.Aux != s {
 25331  			break
 25332  		}
 25333  		if p != x0.Args[0] {
 25334  			break
 25335  		}
 25336  		if idx != x0.Args[1] {
 25337  			break
 25338  		}
 25339  		if mem != x0.Args[2] {
 25340  			break
 25341  		}
 25342  		y := or.Args[1]
 25343  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 25344  			break
 25345  		}
 25346  		b = mergePoint(b, x0, x1)
 25347  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 25348  		v.reset(OpCopy)
 25349  		v.AddArg(v0)
 25350  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 25351  		v1.AuxInt = j0
 25352  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 25353  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 25354  		v3.AuxInt = i0
 25355  		v3.Aux = s
 25356  		v3.AddArg(p)
 25357  		v3.AddArg(idx)
 25358  		v3.AddArg(mem)
 25359  		v2.AddArg(v3)
 25360  		v1.AddArg(v2)
 25361  		v0.AddArg(v1)
 25362  		v0.AddArg(y)
 25363  		return true
 25364  	}
 25365  	// match: (OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) or:(OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) y))
 25366  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 25367  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 25368  	for {
 25369  		s1 := v.Args[0]
 25370  		if s1.Op != OpS390XSLDconst {
 25371  			break
 25372  		}
 25373  		j1 := s1.AuxInt
 25374  		x1 := s1.Args[0]
 25375  		if x1.Op != OpS390XMOVBZloadidx {
 25376  			break
 25377  		}
 25378  		i1 := x1.AuxInt
 25379  		s := x1.Aux
 25380  		p := x1.Args[0]
 25381  		idx := x1.Args[1]
 25382  		mem := x1.Args[2]
 25383  		or := v.Args[1]
 25384  		if or.Op != OpS390XOR {
 25385  			break
 25386  		}
 25387  		s0 := or.Args[0]
 25388  		if s0.Op != OpS390XSLDconst {
 25389  			break
 25390  		}
 25391  		j0 := s0.AuxInt
 25392  		x0 := s0.Args[0]
 25393  		if x0.Op != OpS390XMOVBZloadidx {
 25394  			break
 25395  		}
 25396  		i0 := x0.AuxInt
 25397  		if x0.Aux != s {
 25398  			break
 25399  		}
 25400  		if idx != x0.Args[0] {
 25401  			break
 25402  		}
 25403  		if p != x0.Args[1] {
 25404  			break
 25405  		}
 25406  		if mem != x0.Args[2] {
 25407  			break
 25408  		}
 25409  		y := or.Args[1]
 25410  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 25411  			break
 25412  		}
 25413  		b = mergePoint(b, x0, x1)
 25414  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 25415  		v.reset(OpCopy)
 25416  		v.AddArg(v0)
 25417  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 25418  		v1.AuxInt = j0
 25419  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 25420  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 25421  		v3.AuxInt = i0
 25422  		v3.Aux = s
 25423  		v3.AddArg(p)
 25424  		v3.AddArg(idx)
 25425  		v3.AddArg(mem)
 25426  		v2.AddArg(v3)
 25427  		v1.AddArg(v2)
 25428  		v0.AddArg(v1)
 25429  		v0.AddArg(y)
 25430  		return true
 25431  	}
 25432  	// match: (OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) or:(OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) y))
 25433  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 25434  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 25435  	for {
 25436  		s1 := v.Args[0]
 25437  		if s1.Op != OpS390XSLDconst {
 25438  			break
 25439  		}
 25440  		j1 := s1.AuxInt
 25441  		x1 := s1.Args[0]
 25442  		if x1.Op != OpS390XMOVBZloadidx {
 25443  			break
 25444  		}
 25445  		i1 := x1.AuxInt
 25446  		s := x1.Aux
 25447  		idx := x1.Args[0]
 25448  		p := x1.Args[1]
 25449  		mem := x1.Args[2]
 25450  		or := v.Args[1]
 25451  		if or.Op != OpS390XOR {
 25452  			break
 25453  		}
 25454  		s0 := or.Args[0]
 25455  		if s0.Op != OpS390XSLDconst {
 25456  			break
 25457  		}
 25458  		j0 := s0.AuxInt
 25459  		x0 := s0.Args[0]
 25460  		if x0.Op != OpS390XMOVBZloadidx {
 25461  			break
 25462  		}
 25463  		i0 := x0.AuxInt
 25464  		if x0.Aux != s {
 25465  			break
 25466  		}
 25467  		if idx != x0.Args[0] {
 25468  			break
 25469  		}
 25470  		if p != x0.Args[1] {
 25471  			break
 25472  		}
 25473  		if mem != x0.Args[2] {
 25474  			break
 25475  		}
 25476  		y := or.Args[1]
 25477  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 25478  			break
 25479  		}
 25480  		b = mergePoint(b, x0, x1)
 25481  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 25482  		v.reset(OpCopy)
 25483  		v.AddArg(v0)
 25484  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 25485  		v1.AuxInt = j0
 25486  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 25487  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 25488  		v3.AuxInt = i0
 25489  		v3.Aux = s
 25490  		v3.AddArg(p)
 25491  		v3.AddArg(idx)
 25492  		v3.AddArg(mem)
 25493  		v2.AddArg(v3)
 25494  		v1.AddArg(v2)
 25495  		v0.AddArg(v1)
 25496  		v0.AddArg(y)
 25497  		return true
 25498  	}
 25499  	// match: (OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) or:(OR y s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem))))
 25500  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 25501  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 25502  	for {
 25503  		s1 := v.Args[0]
 25504  		if s1.Op != OpS390XSLDconst {
 25505  			break
 25506  		}
 25507  		j1 := s1.AuxInt
 25508  		x1 := s1.Args[0]
 25509  		if x1.Op != OpS390XMOVBZloadidx {
 25510  			break
 25511  		}
 25512  		i1 := x1.AuxInt
 25513  		s := x1.Aux
 25514  		p := x1.Args[0]
 25515  		idx := x1.Args[1]
 25516  		mem := x1.Args[2]
 25517  		or := v.Args[1]
 25518  		if or.Op != OpS390XOR {
 25519  			break
 25520  		}
 25521  		y := or.Args[0]
 25522  		s0 := or.Args[1]
 25523  		if s0.Op != OpS390XSLDconst {
 25524  			break
 25525  		}
 25526  		j0 := s0.AuxInt
 25527  		x0 := s0.Args[0]
 25528  		if x0.Op != OpS390XMOVBZloadidx {
 25529  			break
 25530  		}
 25531  		i0 := x0.AuxInt
 25532  		if x0.Aux != s {
 25533  			break
 25534  		}
 25535  		if p != x0.Args[0] {
 25536  			break
 25537  		}
 25538  		if idx != x0.Args[1] {
 25539  			break
 25540  		}
 25541  		if mem != x0.Args[2] {
 25542  			break
 25543  		}
 25544  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 25545  			break
 25546  		}
 25547  		b = mergePoint(b, x0, x1)
 25548  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 25549  		v.reset(OpCopy)
 25550  		v.AddArg(v0)
 25551  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 25552  		v1.AuxInt = j0
 25553  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 25554  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 25555  		v3.AuxInt = i0
 25556  		v3.Aux = s
 25557  		v3.AddArg(p)
 25558  		v3.AddArg(idx)
 25559  		v3.AddArg(mem)
 25560  		v2.AddArg(v3)
 25561  		v1.AddArg(v2)
 25562  		v0.AddArg(v1)
 25563  		v0.AddArg(y)
 25564  		return true
 25565  	}
 25566  	// match: (OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) or:(OR y s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem))))
 25567  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 25568  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 25569  	for {
 25570  		s1 := v.Args[0]
 25571  		if s1.Op != OpS390XSLDconst {
 25572  			break
 25573  		}
 25574  		j1 := s1.AuxInt
 25575  		x1 := s1.Args[0]
 25576  		if x1.Op != OpS390XMOVBZloadidx {
 25577  			break
 25578  		}
 25579  		i1 := x1.AuxInt
 25580  		s := x1.Aux
 25581  		idx := x1.Args[0]
 25582  		p := x1.Args[1]
 25583  		mem := x1.Args[2]
 25584  		or := v.Args[1]
 25585  		if or.Op != OpS390XOR {
 25586  			break
 25587  		}
 25588  		y := or.Args[0]
 25589  		s0 := or.Args[1]
 25590  		if s0.Op != OpS390XSLDconst {
 25591  			break
 25592  		}
 25593  		j0 := s0.AuxInt
 25594  		x0 := s0.Args[0]
 25595  		if x0.Op != OpS390XMOVBZloadidx {
 25596  			break
 25597  		}
 25598  		i0 := x0.AuxInt
 25599  		if x0.Aux != s {
 25600  			break
 25601  		}
 25602  		if p != x0.Args[0] {
 25603  			break
 25604  		}
 25605  		if idx != x0.Args[1] {
 25606  			break
 25607  		}
 25608  		if mem != x0.Args[2] {
 25609  			break
 25610  		}
 25611  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 25612  			break
 25613  		}
 25614  		b = mergePoint(b, x0, x1)
 25615  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 25616  		v.reset(OpCopy)
 25617  		v.AddArg(v0)
 25618  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 25619  		v1.AuxInt = j0
 25620  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 25621  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 25622  		v3.AuxInt = i0
 25623  		v3.Aux = s
 25624  		v3.AddArg(p)
 25625  		v3.AddArg(idx)
 25626  		v3.AddArg(mem)
 25627  		v2.AddArg(v3)
 25628  		v1.AddArg(v2)
 25629  		v0.AddArg(v1)
 25630  		v0.AddArg(y)
 25631  		return true
 25632  	}
 25633  	// match: (OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) or:(OR y s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem))))
 25634  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 25635  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 25636  	for {
 25637  		s1 := v.Args[0]
 25638  		if s1.Op != OpS390XSLDconst {
 25639  			break
 25640  		}
 25641  		j1 := s1.AuxInt
 25642  		x1 := s1.Args[0]
 25643  		if x1.Op != OpS390XMOVBZloadidx {
 25644  			break
 25645  		}
 25646  		i1 := x1.AuxInt
 25647  		s := x1.Aux
 25648  		p := x1.Args[0]
 25649  		idx := x1.Args[1]
 25650  		mem := x1.Args[2]
 25651  		or := v.Args[1]
 25652  		if or.Op != OpS390XOR {
 25653  			break
 25654  		}
 25655  		y := or.Args[0]
 25656  		s0 := or.Args[1]
 25657  		if s0.Op != OpS390XSLDconst {
 25658  			break
 25659  		}
 25660  		j0 := s0.AuxInt
 25661  		x0 := s0.Args[0]
 25662  		if x0.Op != OpS390XMOVBZloadidx {
 25663  			break
 25664  		}
 25665  		i0 := x0.AuxInt
 25666  		if x0.Aux != s {
 25667  			break
 25668  		}
 25669  		if idx != x0.Args[0] {
 25670  			break
 25671  		}
 25672  		if p != x0.Args[1] {
 25673  			break
 25674  		}
 25675  		if mem != x0.Args[2] {
 25676  			break
 25677  		}
 25678  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 25679  			break
 25680  		}
 25681  		b = mergePoint(b, x0, x1)
 25682  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 25683  		v.reset(OpCopy)
 25684  		v.AddArg(v0)
 25685  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 25686  		v1.AuxInt = j0
 25687  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 25688  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 25689  		v3.AuxInt = i0
 25690  		v3.Aux = s
 25691  		v3.AddArg(p)
 25692  		v3.AddArg(idx)
 25693  		v3.AddArg(mem)
 25694  		v2.AddArg(v3)
 25695  		v1.AddArg(v2)
 25696  		v0.AddArg(v1)
 25697  		v0.AddArg(y)
 25698  		return true
 25699  	}
 25700  	// match: (OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) or:(OR y s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem))))
 25701  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 25702  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 25703  	for {
 25704  		s1 := v.Args[0]
 25705  		if s1.Op != OpS390XSLDconst {
 25706  			break
 25707  		}
 25708  		j1 := s1.AuxInt
 25709  		x1 := s1.Args[0]
 25710  		if x1.Op != OpS390XMOVBZloadidx {
 25711  			break
 25712  		}
 25713  		i1 := x1.AuxInt
 25714  		s := x1.Aux
 25715  		idx := x1.Args[0]
 25716  		p := x1.Args[1]
 25717  		mem := x1.Args[2]
 25718  		or := v.Args[1]
 25719  		if or.Op != OpS390XOR {
 25720  			break
 25721  		}
 25722  		y := or.Args[0]
 25723  		s0 := or.Args[1]
 25724  		if s0.Op != OpS390XSLDconst {
 25725  			break
 25726  		}
 25727  		j0 := s0.AuxInt
 25728  		x0 := s0.Args[0]
 25729  		if x0.Op != OpS390XMOVBZloadidx {
 25730  			break
 25731  		}
 25732  		i0 := x0.AuxInt
 25733  		if x0.Aux != s {
 25734  			break
 25735  		}
 25736  		if idx != x0.Args[0] {
 25737  			break
 25738  		}
 25739  		if p != x0.Args[1] {
 25740  			break
 25741  		}
 25742  		if mem != x0.Args[2] {
 25743  			break
 25744  		}
 25745  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 25746  			break
 25747  		}
 25748  		b = mergePoint(b, x0, x1)
 25749  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 25750  		v.reset(OpCopy)
 25751  		v.AddArg(v0)
 25752  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 25753  		v1.AuxInt = j0
 25754  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 25755  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 25756  		v3.AuxInt = i0
 25757  		v3.Aux = s
 25758  		v3.AddArg(p)
 25759  		v3.AddArg(idx)
 25760  		v3.AddArg(mem)
 25761  		v2.AddArg(v3)
 25762  		v1.AddArg(v2)
 25763  		v0.AddArg(v1)
 25764  		v0.AddArg(y)
 25765  		return true
 25766  	}
 25767  	// match: (OR or:(OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) y) s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)))
 25768  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 25769  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 25770  	for {
 25771  		or := v.Args[0]
 25772  		if or.Op != OpS390XOR {
 25773  			break
 25774  		}
 25775  		s0 := or.Args[0]
 25776  		if s0.Op != OpS390XSLDconst {
 25777  			break
 25778  		}
 25779  		j0 := s0.AuxInt
 25780  		x0 := s0.Args[0]
 25781  		if x0.Op != OpS390XMOVBZloadidx {
 25782  			break
 25783  		}
 25784  		i0 := x0.AuxInt
 25785  		s := x0.Aux
 25786  		p := x0.Args[0]
 25787  		idx := x0.Args[1]
 25788  		mem := x0.Args[2]
 25789  		y := or.Args[1]
 25790  		s1 := v.Args[1]
 25791  		if s1.Op != OpS390XSLDconst {
 25792  			break
 25793  		}
 25794  		j1 := s1.AuxInt
 25795  		x1 := s1.Args[0]
 25796  		if x1.Op != OpS390XMOVBZloadidx {
 25797  			break
 25798  		}
 25799  		i1 := x1.AuxInt
 25800  		if x1.Aux != s {
 25801  			break
 25802  		}
 25803  		if p != x1.Args[0] {
 25804  			break
 25805  		}
 25806  		if idx != x1.Args[1] {
 25807  			break
 25808  		}
 25809  		if mem != x1.Args[2] {
 25810  			break
 25811  		}
 25812  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 25813  			break
 25814  		}
 25815  		b = mergePoint(b, x0, x1)
 25816  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 25817  		v.reset(OpCopy)
 25818  		v.AddArg(v0)
 25819  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 25820  		v1.AuxInt = j0
 25821  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 25822  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 25823  		v3.AuxInt = i0
 25824  		v3.Aux = s
 25825  		v3.AddArg(p)
 25826  		v3.AddArg(idx)
 25827  		v3.AddArg(mem)
 25828  		v2.AddArg(v3)
 25829  		v1.AddArg(v2)
 25830  		v0.AddArg(v1)
 25831  		v0.AddArg(y)
 25832  		return true
 25833  	}
 25834  	// match: (OR or:(OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) y) s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)))
 25835  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 25836  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 25837  	for {
 25838  		or := v.Args[0]
 25839  		if or.Op != OpS390XOR {
 25840  			break
 25841  		}
 25842  		s0 := or.Args[0]
 25843  		if s0.Op != OpS390XSLDconst {
 25844  			break
 25845  		}
 25846  		j0 := s0.AuxInt
 25847  		x0 := s0.Args[0]
 25848  		if x0.Op != OpS390XMOVBZloadidx {
 25849  			break
 25850  		}
 25851  		i0 := x0.AuxInt
 25852  		s := x0.Aux
 25853  		idx := x0.Args[0]
 25854  		p := x0.Args[1]
 25855  		mem := x0.Args[2]
 25856  		y := or.Args[1]
 25857  		s1 := v.Args[1]
 25858  		if s1.Op != OpS390XSLDconst {
 25859  			break
 25860  		}
 25861  		j1 := s1.AuxInt
 25862  		x1 := s1.Args[0]
 25863  		if x1.Op != OpS390XMOVBZloadidx {
 25864  			break
 25865  		}
 25866  		i1 := x1.AuxInt
 25867  		if x1.Aux != s {
 25868  			break
 25869  		}
 25870  		if p != x1.Args[0] {
 25871  			break
 25872  		}
 25873  		if idx != x1.Args[1] {
 25874  			break
 25875  		}
 25876  		if mem != x1.Args[2] {
 25877  			break
 25878  		}
 25879  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 25880  			break
 25881  		}
 25882  		b = mergePoint(b, x0, x1)
 25883  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 25884  		v.reset(OpCopy)
 25885  		v.AddArg(v0)
 25886  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 25887  		v1.AuxInt = j0
 25888  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 25889  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 25890  		v3.AuxInt = i0
 25891  		v3.Aux = s
 25892  		v3.AddArg(p)
 25893  		v3.AddArg(idx)
 25894  		v3.AddArg(mem)
 25895  		v2.AddArg(v3)
 25896  		v1.AddArg(v2)
 25897  		v0.AddArg(v1)
 25898  		v0.AddArg(y)
 25899  		return true
 25900  	}
 25901  	// match: (OR or:(OR y s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem))) s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)))
 25902  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 25903  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 25904  	for {
 25905  		or := v.Args[0]
 25906  		if or.Op != OpS390XOR {
 25907  			break
 25908  		}
 25909  		y := or.Args[0]
 25910  		s0 := or.Args[1]
 25911  		if s0.Op != OpS390XSLDconst {
 25912  			break
 25913  		}
 25914  		j0 := s0.AuxInt
 25915  		x0 := s0.Args[0]
 25916  		if x0.Op != OpS390XMOVBZloadidx {
 25917  			break
 25918  		}
 25919  		i0 := x0.AuxInt
 25920  		s := x0.Aux
 25921  		p := x0.Args[0]
 25922  		idx := x0.Args[1]
 25923  		mem := x0.Args[2]
 25924  		s1 := v.Args[1]
 25925  		if s1.Op != OpS390XSLDconst {
 25926  			break
 25927  		}
 25928  		j1 := s1.AuxInt
 25929  		x1 := s1.Args[0]
 25930  		if x1.Op != OpS390XMOVBZloadidx {
 25931  			break
 25932  		}
 25933  		i1 := x1.AuxInt
 25934  		if x1.Aux != s {
 25935  			break
 25936  		}
 25937  		if p != x1.Args[0] {
 25938  			break
 25939  		}
 25940  		if idx != x1.Args[1] {
 25941  			break
 25942  		}
 25943  		if mem != x1.Args[2] {
 25944  			break
 25945  		}
 25946  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 25947  			break
 25948  		}
 25949  		b = mergePoint(b, x0, x1)
 25950  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 25951  		v.reset(OpCopy)
 25952  		v.AddArg(v0)
 25953  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 25954  		v1.AuxInt = j0
 25955  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 25956  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 25957  		v3.AuxInt = i0
 25958  		v3.Aux = s
 25959  		v3.AddArg(p)
 25960  		v3.AddArg(idx)
 25961  		v3.AddArg(mem)
 25962  		v2.AddArg(v3)
 25963  		v1.AddArg(v2)
 25964  		v0.AddArg(v1)
 25965  		v0.AddArg(y)
 25966  		return true
 25967  	}
 25968  	// match: (OR or:(OR y s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem))) s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)))
 25969  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 25970  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 25971  	for {
 25972  		or := v.Args[0]
 25973  		if or.Op != OpS390XOR {
 25974  			break
 25975  		}
 25976  		y := or.Args[0]
 25977  		s0 := or.Args[1]
 25978  		if s0.Op != OpS390XSLDconst {
 25979  			break
 25980  		}
 25981  		j0 := s0.AuxInt
 25982  		x0 := s0.Args[0]
 25983  		if x0.Op != OpS390XMOVBZloadidx {
 25984  			break
 25985  		}
 25986  		i0 := x0.AuxInt
 25987  		s := x0.Aux
 25988  		idx := x0.Args[0]
 25989  		p := x0.Args[1]
 25990  		mem := x0.Args[2]
 25991  		s1 := v.Args[1]
 25992  		if s1.Op != OpS390XSLDconst {
 25993  			break
 25994  		}
 25995  		j1 := s1.AuxInt
 25996  		x1 := s1.Args[0]
 25997  		if x1.Op != OpS390XMOVBZloadidx {
 25998  			break
 25999  		}
 26000  		i1 := x1.AuxInt
 26001  		if x1.Aux != s {
 26002  			break
 26003  		}
 26004  		if p != x1.Args[0] {
 26005  			break
 26006  		}
 26007  		if idx != x1.Args[1] {
 26008  			break
 26009  		}
 26010  		if mem != x1.Args[2] {
 26011  			break
 26012  		}
 26013  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 26014  			break
 26015  		}
 26016  		b = mergePoint(b, x0, x1)
 26017  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 26018  		v.reset(OpCopy)
 26019  		v.AddArg(v0)
 26020  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 26021  		v1.AuxInt = j0
 26022  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 26023  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 26024  		v3.AuxInt = i0
 26025  		v3.Aux = s
 26026  		v3.AddArg(p)
 26027  		v3.AddArg(idx)
 26028  		v3.AddArg(mem)
 26029  		v2.AddArg(v3)
 26030  		v1.AddArg(v2)
 26031  		v0.AddArg(v1)
 26032  		v0.AddArg(y)
 26033  		return true
 26034  	}
 26035  	// match: (OR or:(OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) y) s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)))
 26036  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 26037  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 26038  	for {
 26039  		or := v.Args[0]
 26040  		if or.Op != OpS390XOR {
 26041  			break
 26042  		}
 26043  		s0 := or.Args[0]
 26044  		if s0.Op != OpS390XSLDconst {
 26045  			break
 26046  		}
 26047  		j0 := s0.AuxInt
 26048  		x0 := s0.Args[0]
 26049  		if x0.Op != OpS390XMOVBZloadidx {
 26050  			break
 26051  		}
 26052  		i0 := x0.AuxInt
 26053  		s := x0.Aux
 26054  		p := x0.Args[0]
 26055  		idx := x0.Args[1]
 26056  		mem := x0.Args[2]
 26057  		y := or.Args[1]
 26058  		s1 := v.Args[1]
 26059  		if s1.Op != OpS390XSLDconst {
 26060  			break
 26061  		}
 26062  		j1 := s1.AuxInt
 26063  		x1 := s1.Args[0]
 26064  		if x1.Op != OpS390XMOVBZloadidx {
 26065  			break
 26066  		}
 26067  		i1 := x1.AuxInt
 26068  		if x1.Aux != s {
 26069  			break
 26070  		}
 26071  		if idx != x1.Args[0] {
 26072  			break
 26073  		}
 26074  		if p != x1.Args[1] {
 26075  			break
 26076  		}
 26077  		if mem != x1.Args[2] {
 26078  			break
 26079  		}
 26080  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 26081  			break
 26082  		}
 26083  		b = mergePoint(b, x0, x1)
 26084  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 26085  		v.reset(OpCopy)
 26086  		v.AddArg(v0)
 26087  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 26088  		v1.AuxInt = j0
 26089  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 26090  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 26091  		v3.AuxInt = i0
 26092  		v3.Aux = s
 26093  		v3.AddArg(p)
 26094  		v3.AddArg(idx)
 26095  		v3.AddArg(mem)
 26096  		v2.AddArg(v3)
 26097  		v1.AddArg(v2)
 26098  		v0.AddArg(v1)
 26099  		v0.AddArg(y)
 26100  		return true
 26101  	}
 26102  	// match: (OR or:(OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) y) s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)))
 26103  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 26104  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 26105  	for {
 26106  		or := v.Args[0]
 26107  		if or.Op != OpS390XOR {
 26108  			break
 26109  		}
 26110  		s0 := or.Args[0]
 26111  		if s0.Op != OpS390XSLDconst {
 26112  			break
 26113  		}
 26114  		j0 := s0.AuxInt
 26115  		x0 := s0.Args[0]
 26116  		if x0.Op != OpS390XMOVBZloadidx {
 26117  			break
 26118  		}
 26119  		i0 := x0.AuxInt
 26120  		s := x0.Aux
 26121  		idx := x0.Args[0]
 26122  		p := x0.Args[1]
 26123  		mem := x0.Args[2]
 26124  		y := or.Args[1]
 26125  		s1 := v.Args[1]
 26126  		if s1.Op != OpS390XSLDconst {
 26127  			break
 26128  		}
 26129  		j1 := s1.AuxInt
 26130  		x1 := s1.Args[0]
 26131  		if x1.Op != OpS390XMOVBZloadidx {
 26132  			break
 26133  		}
 26134  		i1 := x1.AuxInt
 26135  		if x1.Aux != s {
 26136  			break
 26137  		}
 26138  		if idx != x1.Args[0] {
 26139  			break
 26140  		}
 26141  		if p != x1.Args[1] {
 26142  			break
 26143  		}
 26144  		if mem != x1.Args[2] {
 26145  			break
 26146  		}
 26147  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 26148  			break
 26149  		}
 26150  		b = mergePoint(b, x0, x1)
 26151  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 26152  		v.reset(OpCopy)
 26153  		v.AddArg(v0)
 26154  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 26155  		v1.AuxInt = j0
 26156  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 26157  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 26158  		v3.AuxInt = i0
 26159  		v3.Aux = s
 26160  		v3.AddArg(p)
 26161  		v3.AddArg(idx)
 26162  		v3.AddArg(mem)
 26163  		v2.AddArg(v3)
 26164  		v1.AddArg(v2)
 26165  		v0.AddArg(v1)
 26166  		v0.AddArg(y)
 26167  		return true
 26168  	}
 26169  	// match: (OR or:(OR y s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem))) s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)))
 26170  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 26171  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 26172  	for {
 26173  		or := v.Args[0]
 26174  		if or.Op != OpS390XOR {
 26175  			break
 26176  		}
 26177  		y := or.Args[0]
 26178  		s0 := or.Args[1]
 26179  		if s0.Op != OpS390XSLDconst {
 26180  			break
 26181  		}
 26182  		j0 := s0.AuxInt
 26183  		x0 := s0.Args[0]
 26184  		if x0.Op != OpS390XMOVBZloadidx {
 26185  			break
 26186  		}
 26187  		i0 := x0.AuxInt
 26188  		s := x0.Aux
 26189  		p := x0.Args[0]
 26190  		idx := x0.Args[1]
 26191  		mem := x0.Args[2]
 26192  		s1 := v.Args[1]
 26193  		if s1.Op != OpS390XSLDconst {
 26194  			break
 26195  		}
 26196  		j1 := s1.AuxInt
 26197  		x1 := s1.Args[0]
 26198  		if x1.Op != OpS390XMOVBZloadidx {
 26199  			break
 26200  		}
 26201  		i1 := x1.AuxInt
 26202  		if x1.Aux != s {
 26203  			break
 26204  		}
 26205  		if idx != x1.Args[0] {
 26206  			break
 26207  		}
 26208  		if p != x1.Args[1] {
 26209  			break
 26210  		}
 26211  		if mem != x1.Args[2] {
 26212  			break
 26213  		}
 26214  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 26215  			break
 26216  		}
 26217  		b = mergePoint(b, x0, x1)
 26218  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 26219  		v.reset(OpCopy)
 26220  		v.AddArg(v0)
 26221  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 26222  		v1.AuxInt = j0
 26223  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 26224  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 26225  		v3.AuxInt = i0
 26226  		v3.Aux = s
 26227  		v3.AddArg(p)
 26228  		v3.AddArg(idx)
 26229  		v3.AddArg(mem)
 26230  		v2.AddArg(v3)
 26231  		v1.AddArg(v2)
 26232  		v0.AddArg(v1)
 26233  		v0.AddArg(y)
 26234  		return true
 26235  	}
 26236  	// match: (OR or:(OR y s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem))) s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)))
 26237  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 26238  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 26239  	for {
 26240  		or := v.Args[0]
 26241  		if or.Op != OpS390XOR {
 26242  			break
 26243  		}
 26244  		y := or.Args[0]
 26245  		s0 := or.Args[1]
 26246  		if s0.Op != OpS390XSLDconst {
 26247  			break
 26248  		}
 26249  		j0 := s0.AuxInt
 26250  		x0 := s0.Args[0]
 26251  		if x0.Op != OpS390XMOVBZloadidx {
 26252  			break
 26253  		}
 26254  		i0 := x0.AuxInt
 26255  		s := x0.Aux
 26256  		idx := x0.Args[0]
 26257  		p := x0.Args[1]
 26258  		mem := x0.Args[2]
 26259  		s1 := v.Args[1]
 26260  		if s1.Op != OpS390XSLDconst {
 26261  			break
 26262  		}
 26263  		j1 := s1.AuxInt
 26264  		x1 := s1.Args[0]
 26265  		if x1.Op != OpS390XMOVBZloadidx {
 26266  			break
 26267  		}
 26268  		i1 := x1.AuxInt
 26269  		if x1.Aux != s {
 26270  			break
 26271  		}
 26272  		if idx != x1.Args[0] {
 26273  			break
 26274  		}
 26275  		if p != x1.Args[1] {
 26276  			break
 26277  		}
 26278  		if mem != x1.Args[2] {
 26279  			break
 26280  		}
 26281  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 26282  			break
 26283  		}
 26284  		b = mergePoint(b, x0, x1)
 26285  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 26286  		v.reset(OpCopy)
 26287  		v.AddArg(v0)
 26288  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 26289  		v1.AuxInt = j0
 26290  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 26291  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 26292  		v3.AuxInt = i0
 26293  		v3.Aux = s
 26294  		v3.AddArg(p)
 26295  		v3.AddArg(idx)
 26296  		v3.AddArg(mem)
 26297  		v2.AddArg(v3)
 26298  		v1.AddArg(v2)
 26299  		v0.AddArg(v1)
 26300  		v0.AddArg(y)
 26301  		return true
 26302  	}
 26303  	// match: (OR s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))) or:(OR s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem))) y))
 26304  	// cond: i1 == i0+2   && j1 == j0+16   && j0 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 26305  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 26306  	for {
 26307  		s1 := v.Args[0]
 26308  		if s1.Op != OpS390XSLDconst {
 26309  			break
 26310  		}
 26311  		j1 := s1.AuxInt
 26312  		r1 := s1.Args[0]
 26313  		if r1.Op != OpS390XMOVHZreg {
 26314  			break
 26315  		}
 26316  		x1 := r1.Args[0]
 26317  		if x1.Op != OpS390XMOVHBRloadidx {
 26318  			break
 26319  		}
 26320  		i1 := x1.AuxInt
 26321  		s := x1.Aux
 26322  		p := x1.Args[0]
 26323  		idx := x1.Args[1]
 26324  		mem := x1.Args[2]
 26325  		or := v.Args[1]
 26326  		if or.Op != OpS390XOR {
 26327  			break
 26328  		}
 26329  		s0 := or.Args[0]
 26330  		if s0.Op != OpS390XSLDconst {
 26331  			break
 26332  		}
 26333  		j0 := s0.AuxInt
 26334  		r0 := s0.Args[0]
 26335  		if r0.Op != OpS390XMOVHZreg {
 26336  			break
 26337  		}
 26338  		x0 := r0.Args[0]
 26339  		if x0.Op != OpS390XMOVHBRloadidx {
 26340  			break
 26341  		}
 26342  		i0 := x0.AuxInt
 26343  		if x0.Aux != s {
 26344  			break
 26345  		}
 26346  		if p != x0.Args[0] {
 26347  			break
 26348  		}
 26349  		if idx != x0.Args[1] {
 26350  			break
 26351  		}
 26352  		if mem != x0.Args[2] {
 26353  			break
 26354  		}
 26355  		y := or.Args[1]
 26356  		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 26357  			break
 26358  		}
 26359  		b = mergePoint(b, x0, x1)
 26360  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 26361  		v.reset(OpCopy)
 26362  		v.AddArg(v0)
 26363  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 26364  		v1.AuxInt = j0
 26365  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 26366  		v3 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 26367  		v3.AuxInt = i0
 26368  		v3.Aux = s
 26369  		v3.AddArg(p)
 26370  		v3.AddArg(idx)
 26371  		v3.AddArg(mem)
 26372  		v2.AddArg(v3)
 26373  		v1.AddArg(v2)
 26374  		v0.AddArg(v1)
 26375  		v0.AddArg(y)
 26376  		return true
 26377  	}
 26378  	// match: (OR s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))) or:(OR s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem))) y))
 26379  	// cond: i1 == i0+2   && j1 == j0+16   && j0 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 26380  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 26381  	for {
 26382  		s1 := v.Args[0]
 26383  		if s1.Op != OpS390XSLDconst {
 26384  			break
 26385  		}
 26386  		j1 := s1.AuxInt
 26387  		r1 := s1.Args[0]
 26388  		if r1.Op != OpS390XMOVHZreg {
 26389  			break
 26390  		}
 26391  		x1 := r1.Args[0]
 26392  		if x1.Op != OpS390XMOVHBRloadidx {
 26393  			break
 26394  		}
 26395  		i1 := x1.AuxInt
 26396  		s := x1.Aux
 26397  		idx := x1.Args[0]
 26398  		p := x1.Args[1]
 26399  		mem := x1.Args[2]
 26400  		or := v.Args[1]
 26401  		if or.Op != OpS390XOR {
 26402  			break
 26403  		}
 26404  		s0 := or.Args[0]
 26405  		if s0.Op != OpS390XSLDconst {
 26406  			break
 26407  		}
 26408  		j0 := s0.AuxInt
 26409  		r0 := s0.Args[0]
 26410  		if r0.Op != OpS390XMOVHZreg {
 26411  			break
 26412  		}
 26413  		x0 := r0.Args[0]
 26414  		if x0.Op != OpS390XMOVHBRloadidx {
 26415  			break
 26416  		}
 26417  		i0 := x0.AuxInt
 26418  		if x0.Aux != s {
 26419  			break
 26420  		}
 26421  		if p != x0.Args[0] {
 26422  			break
 26423  		}
 26424  		if idx != x0.Args[1] {
 26425  			break
 26426  		}
 26427  		if mem != x0.Args[2] {
 26428  			break
 26429  		}
 26430  		y := or.Args[1]
 26431  		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 26432  			break
 26433  		}
 26434  		b = mergePoint(b, x0, x1)
 26435  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 26436  		v.reset(OpCopy)
 26437  		v.AddArg(v0)
 26438  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 26439  		v1.AuxInt = j0
 26440  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 26441  		v3 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 26442  		v3.AuxInt = i0
 26443  		v3.Aux = s
 26444  		v3.AddArg(p)
 26445  		v3.AddArg(idx)
 26446  		v3.AddArg(mem)
 26447  		v2.AddArg(v3)
 26448  		v1.AddArg(v2)
 26449  		v0.AddArg(v1)
 26450  		v0.AddArg(y)
 26451  		return true
 26452  	}
 26453  	// match: (OR s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))) or:(OR s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem))) y))
 26454  	// cond: i1 == i0+2   && j1 == j0+16   && j0 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 26455  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 26456  	for {
 26457  		s1 := v.Args[0]
 26458  		if s1.Op != OpS390XSLDconst {
 26459  			break
 26460  		}
 26461  		j1 := s1.AuxInt
 26462  		r1 := s1.Args[0]
 26463  		if r1.Op != OpS390XMOVHZreg {
 26464  			break
 26465  		}
 26466  		x1 := r1.Args[0]
 26467  		if x1.Op != OpS390XMOVHBRloadidx {
 26468  			break
 26469  		}
 26470  		i1 := x1.AuxInt
 26471  		s := x1.Aux
 26472  		p := x1.Args[0]
 26473  		idx := x1.Args[1]
 26474  		mem := x1.Args[2]
 26475  		or := v.Args[1]
 26476  		if or.Op != OpS390XOR {
 26477  			break
 26478  		}
 26479  		s0 := or.Args[0]
 26480  		if s0.Op != OpS390XSLDconst {
 26481  			break
 26482  		}
 26483  		j0 := s0.AuxInt
 26484  		r0 := s0.Args[0]
 26485  		if r0.Op != OpS390XMOVHZreg {
 26486  			break
 26487  		}
 26488  		x0 := r0.Args[0]
 26489  		if x0.Op != OpS390XMOVHBRloadidx {
 26490  			break
 26491  		}
 26492  		i0 := x0.AuxInt
 26493  		if x0.Aux != s {
 26494  			break
 26495  		}
 26496  		if idx != x0.Args[0] {
 26497  			break
 26498  		}
 26499  		if p != x0.Args[1] {
 26500  			break
 26501  		}
 26502  		if mem != x0.Args[2] {
 26503  			break
 26504  		}
 26505  		y := or.Args[1]
 26506  		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 26507  			break
 26508  		}
 26509  		b = mergePoint(b, x0, x1)
 26510  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 26511  		v.reset(OpCopy)
 26512  		v.AddArg(v0)
 26513  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 26514  		v1.AuxInt = j0
 26515  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 26516  		v3 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 26517  		v3.AuxInt = i0
 26518  		v3.Aux = s
 26519  		v3.AddArg(p)
 26520  		v3.AddArg(idx)
 26521  		v3.AddArg(mem)
 26522  		v2.AddArg(v3)
 26523  		v1.AddArg(v2)
 26524  		v0.AddArg(v1)
 26525  		v0.AddArg(y)
 26526  		return true
 26527  	}
 26528  	// match: (OR s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))) or:(OR s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem))) y))
 26529  	// cond: i1 == i0+2   && j1 == j0+16   && j0 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 26530  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 26531  	for {
 26532  		s1 := v.Args[0]
 26533  		if s1.Op != OpS390XSLDconst {
 26534  			break
 26535  		}
 26536  		j1 := s1.AuxInt
 26537  		r1 := s1.Args[0]
 26538  		if r1.Op != OpS390XMOVHZreg {
 26539  			break
 26540  		}
 26541  		x1 := r1.Args[0]
 26542  		if x1.Op != OpS390XMOVHBRloadidx {
 26543  			break
 26544  		}
 26545  		i1 := x1.AuxInt
 26546  		s := x1.Aux
 26547  		idx := x1.Args[0]
 26548  		p := x1.Args[1]
 26549  		mem := x1.Args[2]
 26550  		or := v.Args[1]
 26551  		if or.Op != OpS390XOR {
 26552  			break
 26553  		}
 26554  		s0 := or.Args[0]
 26555  		if s0.Op != OpS390XSLDconst {
 26556  			break
 26557  		}
 26558  		j0 := s0.AuxInt
 26559  		r0 := s0.Args[0]
 26560  		if r0.Op != OpS390XMOVHZreg {
 26561  			break
 26562  		}
 26563  		x0 := r0.Args[0]
 26564  		if x0.Op != OpS390XMOVHBRloadidx {
 26565  			break
 26566  		}
 26567  		i0 := x0.AuxInt
 26568  		if x0.Aux != s {
 26569  			break
 26570  		}
 26571  		if idx != x0.Args[0] {
 26572  			break
 26573  		}
 26574  		if p != x0.Args[1] {
 26575  			break
 26576  		}
 26577  		if mem != x0.Args[2] {
 26578  			break
 26579  		}
 26580  		y := or.Args[1]
 26581  		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 26582  			break
 26583  		}
 26584  		b = mergePoint(b, x0, x1)
 26585  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 26586  		v.reset(OpCopy)
 26587  		v.AddArg(v0)
 26588  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 26589  		v1.AuxInt = j0
 26590  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 26591  		v3 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 26592  		v3.AuxInt = i0
 26593  		v3.Aux = s
 26594  		v3.AddArg(p)
 26595  		v3.AddArg(idx)
 26596  		v3.AddArg(mem)
 26597  		v2.AddArg(v3)
 26598  		v1.AddArg(v2)
 26599  		v0.AddArg(v1)
 26600  		v0.AddArg(y)
 26601  		return true
 26602  	}
 26603  	// match: (OR s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))) or:(OR y s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem)))))
 26604  	// cond: i1 == i0+2   && j1 == j0+16   && j0 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 26605  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 26606  	for {
 26607  		s1 := v.Args[0]
 26608  		if s1.Op != OpS390XSLDconst {
 26609  			break
 26610  		}
 26611  		j1 := s1.AuxInt
 26612  		r1 := s1.Args[0]
 26613  		if r1.Op != OpS390XMOVHZreg {
 26614  			break
 26615  		}
 26616  		x1 := r1.Args[0]
 26617  		if x1.Op != OpS390XMOVHBRloadidx {
 26618  			break
 26619  		}
 26620  		i1 := x1.AuxInt
 26621  		s := x1.Aux
 26622  		p := x1.Args[0]
 26623  		idx := x1.Args[1]
 26624  		mem := x1.Args[2]
 26625  		or := v.Args[1]
 26626  		if or.Op != OpS390XOR {
 26627  			break
 26628  		}
 26629  		y := or.Args[0]
 26630  		s0 := or.Args[1]
 26631  		if s0.Op != OpS390XSLDconst {
 26632  			break
 26633  		}
 26634  		j0 := s0.AuxInt
 26635  		r0 := s0.Args[0]
 26636  		if r0.Op != OpS390XMOVHZreg {
 26637  			break
 26638  		}
 26639  		x0 := r0.Args[0]
 26640  		if x0.Op != OpS390XMOVHBRloadidx {
 26641  			break
 26642  		}
 26643  		i0 := x0.AuxInt
 26644  		if x0.Aux != s {
 26645  			break
 26646  		}
 26647  		if p != x0.Args[0] {
 26648  			break
 26649  		}
 26650  		if idx != x0.Args[1] {
 26651  			break
 26652  		}
 26653  		if mem != x0.Args[2] {
 26654  			break
 26655  		}
 26656  		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 26657  			break
 26658  		}
 26659  		b = mergePoint(b, x0, x1)
 26660  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 26661  		v.reset(OpCopy)
 26662  		v.AddArg(v0)
 26663  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 26664  		v1.AuxInt = j0
 26665  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 26666  		v3 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 26667  		v3.AuxInt = i0
 26668  		v3.Aux = s
 26669  		v3.AddArg(p)
 26670  		v3.AddArg(idx)
 26671  		v3.AddArg(mem)
 26672  		v2.AddArg(v3)
 26673  		v1.AddArg(v2)
 26674  		v0.AddArg(v1)
 26675  		v0.AddArg(y)
 26676  		return true
 26677  	}
 26678  	// match: (OR s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))) or:(OR y s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem)))))
 26679  	// cond: i1 == i0+2   && j1 == j0+16   && j0 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 26680  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 26681  	for {
 26682  		s1 := v.Args[0]
 26683  		if s1.Op != OpS390XSLDconst {
 26684  			break
 26685  		}
 26686  		j1 := s1.AuxInt
 26687  		r1 := s1.Args[0]
 26688  		if r1.Op != OpS390XMOVHZreg {
 26689  			break
 26690  		}
 26691  		x1 := r1.Args[0]
 26692  		if x1.Op != OpS390XMOVHBRloadidx {
 26693  			break
 26694  		}
 26695  		i1 := x1.AuxInt
 26696  		s := x1.Aux
 26697  		idx := x1.Args[0]
 26698  		p := x1.Args[1]
 26699  		mem := x1.Args[2]
 26700  		or := v.Args[1]
 26701  		if or.Op != OpS390XOR {
 26702  			break
 26703  		}
 26704  		y := or.Args[0]
 26705  		s0 := or.Args[1]
 26706  		if s0.Op != OpS390XSLDconst {
 26707  			break
 26708  		}
 26709  		j0 := s0.AuxInt
 26710  		r0 := s0.Args[0]
 26711  		if r0.Op != OpS390XMOVHZreg {
 26712  			break
 26713  		}
 26714  		x0 := r0.Args[0]
 26715  		if x0.Op != OpS390XMOVHBRloadidx {
 26716  			break
 26717  		}
 26718  		i0 := x0.AuxInt
 26719  		if x0.Aux != s {
 26720  			break
 26721  		}
 26722  		if p != x0.Args[0] {
 26723  			break
 26724  		}
 26725  		if idx != x0.Args[1] {
 26726  			break
 26727  		}
 26728  		if mem != x0.Args[2] {
 26729  			break
 26730  		}
 26731  		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 26732  			break
 26733  		}
 26734  		b = mergePoint(b, x0, x1)
 26735  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 26736  		v.reset(OpCopy)
 26737  		v.AddArg(v0)
 26738  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 26739  		v1.AuxInt = j0
 26740  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 26741  		v3 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 26742  		v3.AuxInt = i0
 26743  		v3.Aux = s
 26744  		v3.AddArg(p)
 26745  		v3.AddArg(idx)
 26746  		v3.AddArg(mem)
 26747  		v2.AddArg(v3)
 26748  		v1.AddArg(v2)
 26749  		v0.AddArg(v1)
 26750  		v0.AddArg(y)
 26751  		return true
 26752  	}
 26753  	// match: (OR s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))) or:(OR y s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem)))))
 26754  	// cond: i1 == i0+2   && j1 == j0+16   && j0 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 26755  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 26756  	for {
 26757  		s1 := v.Args[0]
 26758  		if s1.Op != OpS390XSLDconst {
 26759  			break
 26760  		}
 26761  		j1 := s1.AuxInt
 26762  		r1 := s1.Args[0]
 26763  		if r1.Op != OpS390XMOVHZreg {
 26764  			break
 26765  		}
 26766  		x1 := r1.Args[0]
 26767  		if x1.Op != OpS390XMOVHBRloadidx {
 26768  			break
 26769  		}
 26770  		i1 := x1.AuxInt
 26771  		s := x1.Aux
 26772  		p := x1.Args[0]
 26773  		idx := x1.Args[1]
 26774  		mem := x1.Args[2]
 26775  		or := v.Args[1]
 26776  		if or.Op != OpS390XOR {
 26777  			break
 26778  		}
 26779  		y := or.Args[0]
 26780  		s0 := or.Args[1]
 26781  		if s0.Op != OpS390XSLDconst {
 26782  			break
 26783  		}
 26784  		j0 := s0.AuxInt
 26785  		r0 := s0.Args[0]
 26786  		if r0.Op != OpS390XMOVHZreg {
 26787  			break
 26788  		}
 26789  		x0 := r0.Args[0]
 26790  		if x0.Op != OpS390XMOVHBRloadidx {
 26791  			break
 26792  		}
 26793  		i0 := x0.AuxInt
 26794  		if x0.Aux != s {
 26795  			break
 26796  		}
 26797  		if idx != x0.Args[0] {
 26798  			break
 26799  		}
 26800  		if p != x0.Args[1] {
 26801  			break
 26802  		}
 26803  		if mem != x0.Args[2] {
 26804  			break
 26805  		}
 26806  		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 26807  			break
 26808  		}
 26809  		b = mergePoint(b, x0, x1)
 26810  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 26811  		v.reset(OpCopy)
 26812  		v.AddArg(v0)
 26813  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 26814  		v1.AuxInt = j0
 26815  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 26816  		v3 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 26817  		v3.AuxInt = i0
 26818  		v3.Aux = s
 26819  		v3.AddArg(p)
 26820  		v3.AddArg(idx)
 26821  		v3.AddArg(mem)
 26822  		v2.AddArg(v3)
 26823  		v1.AddArg(v2)
 26824  		v0.AddArg(v1)
 26825  		v0.AddArg(y)
 26826  		return true
 26827  	}
 26828  	// match: (OR s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))) or:(OR y s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem)))))
 26829  	// cond: i1 == i0+2   && j1 == j0+16   && j0 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 26830  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 26831  	for {
 26832  		s1 := v.Args[0]
 26833  		if s1.Op != OpS390XSLDconst {
 26834  			break
 26835  		}
 26836  		j1 := s1.AuxInt
 26837  		r1 := s1.Args[0]
 26838  		if r1.Op != OpS390XMOVHZreg {
 26839  			break
 26840  		}
 26841  		x1 := r1.Args[0]
 26842  		if x1.Op != OpS390XMOVHBRloadidx {
 26843  			break
 26844  		}
 26845  		i1 := x1.AuxInt
 26846  		s := x1.Aux
 26847  		idx := x1.Args[0]
 26848  		p := x1.Args[1]
 26849  		mem := x1.Args[2]
 26850  		or := v.Args[1]
 26851  		if or.Op != OpS390XOR {
 26852  			break
 26853  		}
 26854  		y := or.Args[0]
 26855  		s0 := or.Args[1]
 26856  		if s0.Op != OpS390XSLDconst {
 26857  			break
 26858  		}
 26859  		j0 := s0.AuxInt
 26860  		r0 := s0.Args[0]
 26861  		if r0.Op != OpS390XMOVHZreg {
 26862  			break
 26863  		}
 26864  		x0 := r0.Args[0]
 26865  		if x0.Op != OpS390XMOVHBRloadidx {
 26866  			break
 26867  		}
 26868  		i0 := x0.AuxInt
 26869  		if x0.Aux != s {
 26870  			break
 26871  		}
 26872  		if idx != x0.Args[0] {
 26873  			break
 26874  		}
 26875  		if p != x0.Args[1] {
 26876  			break
 26877  		}
 26878  		if mem != x0.Args[2] {
 26879  			break
 26880  		}
 26881  		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 26882  			break
 26883  		}
 26884  		b = mergePoint(b, x0, x1)
 26885  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 26886  		v.reset(OpCopy)
 26887  		v.AddArg(v0)
 26888  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 26889  		v1.AuxInt = j0
 26890  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 26891  		v3 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 26892  		v3.AuxInt = i0
 26893  		v3.Aux = s
 26894  		v3.AddArg(p)
 26895  		v3.AddArg(idx)
 26896  		v3.AddArg(mem)
 26897  		v2.AddArg(v3)
 26898  		v1.AddArg(v2)
 26899  		v0.AddArg(v1)
 26900  		v0.AddArg(y)
 26901  		return true
 26902  	}
 26903  	// match: (OR or:(OR s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem))) y) s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))))
 26904  	// cond: i1 == i0+2   && j1 == j0+16   && j0 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 26905  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 26906  	for {
 26907  		or := v.Args[0]
 26908  		if or.Op != OpS390XOR {
 26909  			break
 26910  		}
 26911  		s0 := or.Args[0]
 26912  		if s0.Op != OpS390XSLDconst {
 26913  			break
 26914  		}
 26915  		j0 := s0.AuxInt
 26916  		r0 := s0.Args[0]
 26917  		if r0.Op != OpS390XMOVHZreg {
 26918  			break
 26919  		}
 26920  		x0 := r0.Args[0]
 26921  		if x0.Op != OpS390XMOVHBRloadidx {
 26922  			break
 26923  		}
 26924  		i0 := x0.AuxInt
 26925  		s := x0.Aux
 26926  		p := x0.Args[0]
 26927  		idx := x0.Args[1]
 26928  		mem := x0.Args[2]
 26929  		y := or.Args[1]
 26930  		s1 := v.Args[1]
 26931  		if s1.Op != OpS390XSLDconst {
 26932  			break
 26933  		}
 26934  		j1 := s1.AuxInt
 26935  		r1 := s1.Args[0]
 26936  		if r1.Op != OpS390XMOVHZreg {
 26937  			break
 26938  		}
 26939  		x1 := r1.Args[0]
 26940  		if x1.Op != OpS390XMOVHBRloadidx {
 26941  			break
 26942  		}
 26943  		i1 := x1.AuxInt
 26944  		if x1.Aux != s {
 26945  			break
 26946  		}
 26947  		if p != x1.Args[0] {
 26948  			break
 26949  		}
 26950  		if idx != x1.Args[1] {
 26951  			break
 26952  		}
 26953  		if mem != x1.Args[2] {
 26954  			break
 26955  		}
 26956  		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 26957  			break
 26958  		}
 26959  		b = mergePoint(b, x0, x1)
 26960  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 26961  		v.reset(OpCopy)
 26962  		v.AddArg(v0)
 26963  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 26964  		v1.AuxInt = j0
 26965  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 26966  		v3 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 26967  		v3.AuxInt = i0
 26968  		v3.Aux = s
 26969  		v3.AddArg(p)
 26970  		v3.AddArg(idx)
 26971  		v3.AddArg(mem)
 26972  		v2.AddArg(v3)
 26973  		v1.AddArg(v2)
 26974  		v0.AddArg(v1)
 26975  		v0.AddArg(y)
 26976  		return true
 26977  	}
 26978  	// match: (OR or:(OR s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem))) y) s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))))
 26979  	// cond: i1 == i0+2   && j1 == j0+16   && j0 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 26980  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 26981  	for {
 26982  		or := v.Args[0]
 26983  		if or.Op != OpS390XOR {
 26984  			break
 26985  		}
 26986  		s0 := or.Args[0]
 26987  		if s0.Op != OpS390XSLDconst {
 26988  			break
 26989  		}
 26990  		j0 := s0.AuxInt
 26991  		r0 := s0.Args[0]
 26992  		if r0.Op != OpS390XMOVHZreg {
 26993  			break
 26994  		}
 26995  		x0 := r0.Args[0]
 26996  		if x0.Op != OpS390XMOVHBRloadidx {
 26997  			break
 26998  		}
 26999  		i0 := x0.AuxInt
 27000  		s := x0.Aux
 27001  		idx := x0.Args[0]
 27002  		p := x0.Args[1]
 27003  		mem := x0.Args[2]
 27004  		y := or.Args[1]
 27005  		s1 := v.Args[1]
 27006  		if s1.Op != OpS390XSLDconst {
 27007  			break
 27008  		}
 27009  		j1 := s1.AuxInt
 27010  		r1 := s1.Args[0]
 27011  		if r1.Op != OpS390XMOVHZreg {
 27012  			break
 27013  		}
 27014  		x1 := r1.Args[0]
 27015  		if x1.Op != OpS390XMOVHBRloadidx {
 27016  			break
 27017  		}
 27018  		i1 := x1.AuxInt
 27019  		if x1.Aux != s {
 27020  			break
 27021  		}
 27022  		if p != x1.Args[0] {
 27023  			break
 27024  		}
 27025  		if idx != x1.Args[1] {
 27026  			break
 27027  		}
 27028  		if mem != x1.Args[2] {
 27029  			break
 27030  		}
 27031  		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 27032  			break
 27033  		}
 27034  		b = mergePoint(b, x0, x1)
 27035  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 27036  		v.reset(OpCopy)
 27037  		v.AddArg(v0)
 27038  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 27039  		v1.AuxInt = j0
 27040  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 27041  		v3 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 27042  		v3.AuxInt = i0
 27043  		v3.Aux = s
 27044  		v3.AddArg(p)
 27045  		v3.AddArg(idx)
 27046  		v3.AddArg(mem)
 27047  		v2.AddArg(v3)
 27048  		v1.AddArg(v2)
 27049  		v0.AddArg(v1)
 27050  		v0.AddArg(y)
 27051  		return true
 27052  	}
 27053  	// match: (OR or:(OR y s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem)))) s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))))
 27054  	// cond: i1 == i0+2   && j1 == j0+16   && j0 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 27055  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 27056  	for {
 27057  		or := v.Args[0]
 27058  		if or.Op != OpS390XOR {
 27059  			break
 27060  		}
 27061  		y := or.Args[0]
 27062  		s0 := or.Args[1]
 27063  		if s0.Op != OpS390XSLDconst {
 27064  			break
 27065  		}
 27066  		j0 := s0.AuxInt
 27067  		r0 := s0.Args[0]
 27068  		if r0.Op != OpS390XMOVHZreg {
 27069  			break
 27070  		}
 27071  		x0 := r0.Args[0]
 27072  		if x0.Op != OpS390XMOVHBRloadidx {
 27073  			break
 27074  		}
 27075  		i0 := x0.AuxInt
 27076  		s := x0.Aux
 27077  		p := x0.Args[0]
 27078  		idx := x0.Args[1]
 27079  		mem := x0.Args[2]
 27080  		s1 := v.Args[1]
 27081  		if s1.Op != OpS390XSLDconst {
 27082  			break
 27083  		}
 27084  		j1 := s1.AuxInt
 27085  		r1 := s1.Args[0]
 27086  		if r1.Op != OpS390XMOVHZreg {
 27087  			break
 27088  		}
 27089  		x1 := r1.Args[0]
 27090  		if x1.Op != OpS390XMOVHBRloadidx {
 27091  			break
 27092  		}
 27093  		i1 := x1.AuxInt
 27094  		if x1.Aux != s {
 27095  			break
 27096  		}
 27097  		if p != x1.Args[0] {
 27098  			break
 27099  		}
 27100  		if idx != x1.Args[1] {
 27101  			break
 27102  		}
 27103  		if mem != x1.Args[2] {
 27104  			break
 27105  		}
 27106  		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 27107  			break
 27108  		}
 27109  		b = mergePoint(b, x0, x1)
 27110  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 27111  		v.reset(OpCopy)
 27112  		v.AddArg(v0)
 27113  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 27114  		v1.AuxInt = j0
 27115  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 27116  		v3 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 27117  		v3.AuxInt = i0
 27118  		v3.Aux = s
 27119  		v3.AddArg(p)
 27120  		v3.AddArg(idx)
 27121  		v3.AddArg(mem)
 27122  		v2.AddArg(v3)
 27123  		v1.AddArg(v2)
 27124  		v0.AddArg(v1)
 27125  		v0.AddArg(y)
 27126  		return true
 27127  	}
 27128  	// match: (OR or:(OR y s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem)))) s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))))
 27129  	// cond: i1 == i0+2   && j1 == j0+16   && j0 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 27130  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 27131  	for {
 27132  		or := v.Args[0]
 27133  		if or.Op != OpS390XOR {
 27134  			break
 27135  		}
 27136  		y := or.Args[0]
 27137  		s0 := or.Args[1]
 27138  		if s0.Op != OpS390XSLDconst {
 27139  			break
 27140  		}
 27141  		j0 := s0.AuxInt
 27142  		r0 := s0.Args[0]
 27143  		if r0.Op != OpS390XMOVHZreg {
 27144  			break
 27145  		}
 27146  		x0 := r0.Args[0]
 27147  		if x0.Op != OpS390XMOVHBRloadidx {
 27148  			break
 27149  		}
 27150  		i0 := x0.AuxInt
 27151  		s := x0.Aux
 27152  		idx := x0.Args[0]
 27153  		p := x0.Args[1]
 27154  		mem := x0.Args[2]
 27155  		s1 := v.Args[1]
 27156  		if s1.Op != OpS390XSLDconst {
 27157  			break
 27158  		}
 27159  		j1 := s1.AuxInt
 27160  		r1 := s1.Args[0]
 27161  		if r1.Op != OpS390XMOVHZreg {
 27162  			break
 27163  		}
 27164  		x1 := r1.Args[0]
 27165  		if x1.Op != OpS390XMOVHBRloadidx {
 27166  			break
 27167  		}
 27168  		i1 := x1.AuxInt
 27169  		if x1.Aux != s {
 27170  			break
 27171  		}
 27172  		if p != x1.Args[0] {
 27173  			break
 27174  		}
 27175  		if idx != x1.Args[1] {
 27176  			break
 27177  		}
 27178  		if mem != x1.Args[2] {
 27179  			break
 27180  		}
 27181  		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 27182  			break
 27183  		}
 27184  		b = mergePoint(b, x0, x1)
 27185  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 27186  		v.reset(OpCopy)
 27187  		v.AddArg(v0)
 27188  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 27189  		v1.AuxInt = j0
 27190  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 27191  		v3 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 27192  		v3.AuxInt = i0
 27193  		v3.Aux = s
 27194  		v3.AddArg(p)
 27195  		v3.AddArg(idx)
 27196  		v3.AddArg(mem)
 27197  		v2.AddArg(v3)
 27198  		v1.AddArg(v2)
 27199  		v0.AddArg(v1)
 27200  		v0.AddArg(y)
 27201  		return true
 27202  	}
 27203  	// match: (OR or:(OR s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem))) y) s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))))
 27204  	// cond: i1 == i0+2   && j1 == j0+16   && j0 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 27205  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 27206  	for {
 27207  		or := v.Args[0]
 27208  		if or.Op != OpS390XOR {
 27209  			break
 27210  		}
 27211  		s0 := or.Args[0]
 27212  		if s0.Op != OpS390XSLDconst {
 27213  			break
 27214  		}
 27215  		j0 := s0.AuxInt
 27216  		r0 := s0.Args[0]
 27217  		if r0.Op != OpS390XMOVHZreg {
 27218  			break
 27219  		}
 27220  		x0 := r0.Args[0]
 27221  		if x0.Op != OpS390XMOVHBRloadidx {
 27222  			break
 27223  		}
 27224  		i0 := x0.AuxInt
 27225  		s := x0.Aux
 27226  		p := x0.Args[0]
 27227  		idx := x0.Args[1]
 27228  		mem := x0.Args[2]
 27229  		y := or.Args[1]
 27230  		s1 := v.Args[1]
 27231  		if s1.Op != OpS390XSLDconst {
 27232  			break
 27233  		}
 27234  		j1 := s1.AuxInt
 27235  		r1 := s1.Args[0]
 27236  		if r1.Op != OpS390XMOVHZreg {
 27237  			break
 27238  		}
 27239  		x1 := r1.Args[0]
 27240  		if x1.Op != OpS390XMOVHBRloadidx {
 27241  			break
 27242  		}
 27243  		i1 := x1.AuxInt
 27244  		if x1.Aux != s {
 27245  			break
 27246  		}
 27247  		if idx != x1.Args[0] {
 27248  			break
 27249  		}
 27250  		if p != x1.Args[1] {
 27251  			break
 27252  		}
 27253  		if mem != x1.Args[2] {
 27254  			break
 27255  		}
 27256  		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 27257  			break
 27258  		}
 27259  		b = mergePoint(b, x0, x1)
 27260  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 27261  		v.reset(OpCopy)
 27262  		v.AddArg(v0)
 27263  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 27264  		v1.AuxInt = j0
 27265  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 27266  		v3 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 27267  		v3.AuxInt = i0
 27268  		v3.Aux = s
 27269  		v3.AddArg(p)
 27270  		v3.AddArg(idx)
 27271  		v3.AddArg(mem)
 27272  		v2.AddArg(v3)
 27273  		v1.AddArg(v2)
 27274  		v0.AddArg(v1)
 27275  		v0.AddArg(y)
 27276  		return true
 27277  	}
 27278  	// match: (OR or:(OR s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem))) y) s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))))
 27279  	// cond: i1 == i0+2   && j1 == j0+16   && j0 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 27280  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 27281  	for {
 27282  		or := v.Args[0]
 27283  		if or.Op != OpS390XOR {
 27284  			break
 27285  		}
 27286  		s0 := or.Args[0]
 27287  		if s0.Op != OpS390XSLDconst {
 27288  			break
 27289  		}
 27290  		j0 := s0.AuxInt
 27291  		r0 := s0.Args[0]
 27292  		if r0.Op != OpS390XMOVHZreg {
 27293  			break
 27294  		}
 27295  		x0 := r0.Args[0]
 27296  		if x0.Op != OpS390XMOVHBRloadidx {
 27297  			break
 27298  		}
 27299  		i0 := x0.AuxInt
 27300  		s := x0.Aux
 27301  		idx := x0.Args[0]
 27302  		p := x0.Args[1]
 27303  		mem := x0.Args[2]
 27304  		y := or.Args[1]
 27305  		s1 := v.Args[1]
 27306  		if s1.Op != OpS390XSLDconst {
 27307  			break
 27308  		}
 27309  		j1 := s1.AuxInt
 27310  		r1 := s1.Args[0]
 27311  		if r1.Op != OpS390XMOVHZreg {
 27312  			break
 27313  		}
 27314  		x1 := r1.Args[0]
 27315  		if x1.Op != OpS390XMOVHBRloadidx {
 27316  			break
 27317  		}
 27318  		i1 := x1.AuxInt
 27319  		if x1.Aux != s {
 27320  			break
 27321  		}
 27322  		if idx != x1.Args[0] {
 27323  			break
 27324  		}
 27325  		if p != x1.Args[1] {
 27326  			break
 27327  		}
 27328  		if mem != x1.Args[2] {
 27329  			break
 27330  		}
 27331  		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 27332  			break
 27333  		}
 27334  		b = mergePoint(b, x0, x1)
 27335  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 27336  		v.reset(OpCopy)
 27337  		v.AddArg(v0)
 27338  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 27339  		v1.AuxInt = j0
 27340  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 27341  		v3 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 27342  		v3.AuxInt = i0
 27343  		v3.Aux = s
 27344  		v3.AddArg(p)
 27345  		v3.AddArg(idx)
 27346  		v3.AddArg(mem)
 27347  		v2.AddArg(v3)
 27348  		v1.AddArg(v2)
 27349  		v0.AddArg(v1)
 27350  		v0.AddArg(y)
 27351  		return true
 27352  	}
 27353  	// match: (OR or:(OR y s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem)))) s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))))
 27354  	// cond: i1 == i0+2   && j1 == j0+16   && j0 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 27355  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 27356  	for {
 27357  		or := v.Args[0]
 27358  		if or.Op != OpS390XOR {
 27359  			break
 27360  		}
 27361  		y := or.Args[0]
 27362  		s0 := or.Args[1]
 27363  		if s0.Op != OpS390XSLDconst {
 27364  			break
 27365  		}
 27366  		j0 := s0.AuxInt
 27367  		r0 := s0.Args[0]
 27368  		if r0.Op != OpS390XMOVHZreg {
 27369  			break
 27370  		}
 27371  		x0 := r0.Args[0]
 27372  		if x0.Op != OpS390XMOVHBRloadidx {
 27373  			break
 27374  		}
 27375  		i0 := x0.AuxInt
 27376  		s := x0.Aux
 27377  		p := x0.Args[0]
 27378  		idx := x0.Args[1]
 27379  		mem := x0.Args[2]
 27380  		s1 := v.Args[1]
 27381  		if s1.Op != OpS390XSLDconst {
 27382  			break
 27383  		}
 27384  		j1 := s1.AuxInt
 27385  		r1 := s1.Args[0]
 27386  		if r1.Op != OpS390XMOVHZreg {
 27387  			break
 27388  		}
 27389  		x1 := r1.Args[0]
 27390  		if x1.Op != OpS390XMOVHBRloadidx {
 27391  			break
 27392  		}
 27393  		i1 := x1.AuxInt
 27394  		if x1.Aux != s {
 27395  			break
 27396  		}
 27397  		if idx != x1.Args[0] {
 27398  			break
 27399  		}
 27400  		if p != x1.Args[1] {
 27401  			break
 27402  		}
 27403  		if mem != x1.Args[2] {
 27404  			break
 27405  		}
 27406  		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 27407  			break
 27408  		}
 27409  		b = mergePoint(b, x0, x1)
 27410  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 27411  		v.reset(OpCopy)
 27412  		v.AddArg(v0)
 27413  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 27414  		v1.AuxInt = j0
 27415  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 27416  		v3 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 27417  		v3.AuxInt = i0
 27418  		v3.Aux = s
 27419  		v3.AddArg(p)
 27420  		v3.AddArg(idx)
 27421  		v3.AddArg(mem)
 27422  		v2.AddArg(v3)
 27423  		v1.AddArg(v2)
 27424  		v0.AddArg(v1)
 27425  		v0.AddArg(y)
 27426  		return true
 27427  	}
 27428  	// match: (OR or:(OR y s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem)))) s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))))
 27429  	// cond: i1 == i0+2   && j1 == j0+16   && j0 % 32 == 0   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 27430  	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 27431  	for {
 27432  		or := v.Args[0]
 27433  		if or.Op != OpS390XOR {
 27434  			break
 27435  		}
 27436  		y := or.Args[0]
 27437  		s0 := or.Args[1]
 27438  		if s0.Op != OpS390XSLDconst {
 27439  			break
 27440  		}
 27441  		j0 := s0.AuxInt
 27442  		r0 := s0.Args[0]
 27443  		if r0.Op != OpS390XMOVHZreg {
 27444  			break
 27445  		}
 27446  		x0 := r0.Args[0]
 27447  		if x0.Op != OpS390XMOVHBRloadidx {
 27448  			break
 27449  		}
 27450  		i0 := x0.AuxInt
 27451  		s := x0.Aux
 27452  		idx := x0.Args[0]
 27453  		p := x0.Args[1]
 27454  		mem := x0.Args[2]
 27455  		s1 := v.Args[1]
 27456  		if s1.Op != OpS390XSLDconst {
 27457  			break
 27458  		}
 27459  		j1 := s1.AuxInt
 27460  		r1 := s1.Args[0]
 27461  		if r1.Op != OpS390XMOVHZreg {
 27462  			break
 27463  		}
 27464  		x1 := r1.Args[0]
 27465  		if x1.Op != OpS390XMOVHBRloadidx {
 27466  			break
 27467  		}
 27468  		i1 := x1.AuxInt
 27469  		if x1.Aux != s {
 27470  			break
 27471  		}
 27472  		if idx != x1.Args[0] {
 27473  			break
 27474  		}
 27475  		if p != x1.Args[1] {
 27476  			break
 27477  		}
 27478  		if mem != x1.Args[2] {
 27479  			break
 27480  		}
 27481  		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 27482  			break
 27483  		}
 27484  		b = mergePoint(b, x0, x1)
 27485  		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 27486  		v.reset(OpCopy)
 27487  		v.AddArg(v0)
 27488  		v1 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 27489  		v1.AuxInt = j0
 27490  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, types.UInt64)
 27491  		v3 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 27492  		v3.AuxInt = i0
 27493  		v3.Aux = s
 27494  		v3.AddArg(p)
 27495  		v3.AddArg(idx)
 27496  		v3.AddArg(mem)
 27497  		v2.AddArg(v3)
 27498  		v1.AddArg(v2)
 27499  		v0.AddArg(v1)
 27500  		v0.AddArg(y)
 27501  		return true
 27502  	}
 27503  	return false
 27504  }
 27505  func rewriteValueS390X_OpS390XORW(v *Value) bool {
 27506  	b := v.Block
 27507  	_ = b
 27508  	types := &b.Func.Config.Types
 27509  	_ = types
 27510  	// match: (ORW x (MOVDconst [c]))
 27511  	// cond:
 27512  	// result: (ORWconst [c] x)
 27513  	for {
 27514  		x := v.Args[0]
 27515  		v_1 := v.Args[1]
 27516  		if v_1.Op != OpS390XMOVDconst {
 27517  			break
 27518  		}
 27519  		c := v_1.AuxInt
 27520  		v.reset(OpS390XORWconst)
 27521  		v.AuxInt = c
 27522  		v.AddArg(x)
 27523  		return true
 27524  	}
 27525  	// match: (ORW (MOVDconst [c]) x)
 27526  	// cond:
 27527  	// result: (ORWconst [c] x)
 27528  	for {
 27529  		v_0 := v.Args[0]
 27530  		if v_0.Op != OpS390XMOVDconst {
 27531  			break
 27532  		}
 27533  		c := v_0.AuxInt
 27534  		x := v.Args[1]
 27535  		v.reset(OpS390XORWconst)
 27536  		v.AuxInt = c
 27537  		v.AddArg(x)
 27538  		return true
 27539  	}
 27540  	// match: (ORW (SLWconst x [c]) (SRWconst x [d]))
 27541  	// cond: d == 32-c
 27542  	// result: (RLLconst [c] x)
 27543  	for {
 27544  		v_0 := v.Args[0]
 27545  		if v_0.Op != OpS390XSLWconst {
 27546  			break
 27547  		}
 27548  		c := v_0.AuxInt
 27549  		x := v_0.Args[0]
 27550  		v_1 := v.Args[1]
 27551  		if v_1.Op != OpS390XSRWconst {
 27552  			break
 27553  		}
 27554  		d := v_1.AuxInt
 27555  		if x != v_1.Args[0] {
 27556  			break
 27557  		}
 27558  		if !(d == 32-c) {
 27559  			break
 27560  		}
 27561  		v.reset(OpS390XRLLconst)
 27562  		v.AuxInt = c
 27563  		v.AddArg(x)
 27564  		return true
 27565  	}
 27566  	// match: (ORW (SRWconst x [d]) (SLWconst x [c]))
 27567  	// cond: d == 32-c
 27568  	// result: (RLLconst [c] x)
 27569  	for {
 27570  		v_0 := v.Args[0]
 27571  		if v_0.Op != OpS390XSRWconst {
 27572  			break
 27573  		}
 27574  		d := v_0.AuxInt
 27575  		x := v_0.Args[0]
 27576  		v_1 := v.Args[1]
 27577  		if v_1.Op != OpS390XSLWconst {
 27578  			break
 27579  		}
 27580  		c := v_1.AuxInt
 27581  		if x != v_1.Args[0] {
 27582  			break
 27583  		}
 27584  		if !(d == 32-c) {
 27585  			break
 27586  		}
 27587  		v.reset(OpS390XRLLconst)
 27588  		v.AuxInt = c
 27589  		v.AddArg(x)
 27590  		return true
 27591  	}
 27592  	// match: (ORW x x)
 27593  	// cond:
 27594  	// result: x
 27595  	for {
 27596  		x := v.Args[0]
 27597  		if x != v.Args[1] {
 27598  			break
 27599  		}
 27600  		v.reset(OpCopy)
 27601  		v.Type = x.Type
 27602  		v.AddArg(x)
 27603  		return true
 27604  	}
 27605  	// match: (ORW <t> x g:(MOVWload [off] {sym} ptr mem))
 27606  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 27607  	// result: (ORWload <t> [off] {sym} x ptr mem)
 27608  	for {
 27609  		t := v.Type
 27610  		x := v.Args[0]
 27611  		g := v.Args[1]
 27612  		if g.Op != OpS390XMOVWload {
 27613  			break
 27614  		}
 27615  		off := g.AuxInt
 27616  		sym := g.Aux
 27617  		ptr := g.Args[0]
 27618  		mem := g.Args[1]
 27619  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 27620  			break
 27621  		}
 27622  		v.reset(OpS390XORWload)
 27623  		v.Type = t
 27624  		v.AuxInt = off
 27625  		v.Aux = sym
 27626  		v.AddArg(x)
 27627  		v.AddArg(ptr)
 27628  		v.AddArg(mem)
 27629  		return true
 27630  	}
 27631  	// match: (ORW <t> g:(MOVWload [off] {sym} ptr mem) x)
 27632  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 27633  	// result: (ORWload <t> [off] {sym} x ptr mem)
 27634  	for {
 27635  		t := v.Type
 27636  		g := v.Args[0]
 27637  		if g.Op != OpS390XMOVWload {
 27638  			break
 27639  		}
 27640  		off := g.AuxInt
 27641  		sym := g.Aux
 27642  		ptr := g.Args[0]
 27643  		mem := g.Args[1]
 27644  		x := v.Args[1]
 27645  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 27646  			break
 27647  		}
 27648  		v.reset(OpS390XORWload)
 27649  		v.Type = t
 27650  		v.AuxInt = off
 27651  		v.Aux = sym
 27652  		v.AddArg(x)
 27653  		v.AddArg(ptr)
 27654  		v.AddArg(mem)
 27655  		return true
 27656  	}
 27657  	// match: (ORW <t> g:(MOVWload [off] {sym} ptr mem) x)
 27658  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 27659  	// result: (ORWload <t> [off] {sym} x ptr mem)
 27660  	for {
 27661  		t := v.Type
 27662  		g := v.Args[0]
 27663  		if g.Op != OpS390XMOVWload {
 27664  			break
 27665  		}
 27666  		off := g.AuxInt
 27667  		sym := g.Aux
 27668  		ptr := g.Args[0]
 27669  		mem := g.Args[1]
 27670  		x := v.Args[1]
 27671  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 27672  			break
 27673  		}
 27674  		v.reset(OpS390XORWload)
 27675  		v.Type = t
 27676  		v.AuxInt = off
 27677  		v.Aux = sym
 27678  		v.AddArg(x)
 27679  		v.AddArg(ptr)
 27680  		v.AddArg(mem)
 27681  		return true
 27682  	}
 27683  	// match: (ORW <t> x g:(MOVWload [off] {sym} ptr mem))
 27684  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 27685  	// result: (ORWload <t> [off] {sym} x ptr mem)
 27686  	for {
 27687  		t := v.Type
 27688  		x := v.Args[0]
 27689  		g := v.Args[1]
 27690  		if g.Op != OpS390XMOVWload {
 27691  			break
 27692  		}
 27693  		off := g.AuxInt
 27694  		sym := g.Aux
 27695  		ptr := g.Args[0]
 27696  		mem := g.Args[1]
 27697  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 27698  			break
 27699  		}
 27700  		v.reset(OpS390XORWload)
 27701  		v.Type = t
 27702  		v.AuxInt = off
 27703  		v.Aux = sym
 27704  		v.AddArg(x)
 27705  		v.AddArg(ptr)
 27706  		v.AddArg(mem)
 27707  		return true
 27708  	}
 27709  	// match: (ORW <t> x g:(MOVWZload [off] {sym} ptr mem))
 27710  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 27711  	// result: (ORWload <t> [off] {sym} x ptr mem)
 27712  	for {
 27713  		t := v.Type
 27714  		x := v.Args[0]
 27715  		g := v.Args[1]
 27716  		if g.Op != OpS390XMOVWZload {
 27717  			break
 27718  		}
 27719  		off := g.AuxInt
 27720  		sym := g.Aux
 27721  		ptr := g.Args[0]
 27722  		mem := g.Args[1]
 27723  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 27724  			break
 27725  		}
 27726  		v.reset(OpS390XORWload)
 27727  		v.Type = t
 27728  		v.AuxInt = off
 27729  		v.Aux = sym
 27730  		v.AddArg(x)
 27731  		v.AddArg(ptr)
 27732  		v.AddArg(mem)
 27733  		return true
 27734  	}
 27735  	// match: (ORW <t> g:(MOVWZload [off] {sym} ptr mem) x)
 27736  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 27737  	// result: (ORWload <t> [off] {sym} x ptr mem)
 27738  	for {
 27739  		t := v.Type
 27740  		g := v.Args[0]
 27741  		if g.Op != OpS390XMOVWZload {
 27742  			break
 27743  		}
 27744  		off := g.AuxInt
 27745  		sym := g.Aux
 27746  		ptr := g.Args[0]
 27747  		mem := g.Args[1]
 27748  		x := v.Args[1]
 27749  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 27750  			break
 27751  		}
 27752  		v.reset(OpS390XORWload)
 27753  		v.Type = t
 27754  		v.AuxInt = off
 27755  		v.Aux = sym
 27756  		v.AddArg(x)
 27757  		v.AddArg(ptr)
 27758  		v.AddArg(mem)
 27759  		return true
 27760  	}
 27761  	// match: (ORW <t> g:(MOVWZload [off] {sym} ptr mem) x)
 27762  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 27763  	// result: (ORWload <t> [off] {sym} x ptr mem)
 27764  	for {
 27765  		t := v.Type
 27766  		g := v.Args[0]
 27767  		if g.Op != OpS390XMOVWZload {
 27768  			break
 27769  		}
 27770  		off := g.AuxInt
 27771  		sym := g.Aux
 27772  		ptr := g.Args[0]
 27773  		mem := g.Args[1]
 27774  		x := v.Args[1]
 27775  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 27776  			break
 27777  		}
 27778  		v.reset(OpS390XORWload)
 27779  		v.Type = t
 27780  		v.AuxInt = off
 27781  		v.Aux = sym
 27782  		v.AddArg(x)
 27783  		v.AddArg(ptr)
 27784  		v.AddArg(mem)
 27785  		return true
 27786  	}
 27787  	// match: (ORW <t> x g:(MOVWZload [off] {sym} ptr mem))
 27788  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 27789  	// result: (ORWload <t> [off] {sym} x ptr mem)
 27790  	for {
 27791  		t := v.Type
 27792  		x := v.Args[0]
 27793  		g := v.Args[1]
 27794  		if g.Op != OpS390XMOVWZload {
 27795  			break
 27796  		}
 27797  		off := g.AuxInt
 27798  		sym := g.Aux
 27799  		ptr := g.Args[0]
 27800  		mem := g.Args[1]
 27801  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 27802  			break
 27803  		}
 27804  		v.reset(OpS390XORWload)
 27805  		v.Type = t
 27806  		v.AuxInt = off
 27807  		v.Aux = sym
 27808  		v.AddArg(x)
 27809  		v.AddArg(ptr)
 27810  		v.AddArg(mem)
 27811  		return true
 27812  	}
 27813  	// match: (ORW x1:(MOVBZload [i1] {s} p mem) sh:(SLWconst [8] x0:(MOVBZload [i0] {s} p mem)))
 27814  	// cond: i1 == i0+1   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 27815  	// result: @mergePoint(b,x0,x1) (MOVHZload [i0] {s} p mem)
 27816  	for {
 27817  		x1 := v.Args[0]
 27818  		if x1.Op != OpS390XMOVBZload {
 27819  			break
 27820  		}
 27821  		i1 := x1.AuxInt
 27822  		s := x1.Aux
 27823  		p := x1.Args[0]
 27824  		mem := x1.Args[1]
 27825  		sh := v.Args[1]
 27826  		if sh.Op != OpS390XSLWconst {
 27827  			break
 27828  		}
 27829  		if sh.AuxInt != 8 {
 27830  			break
 27831  		}
 27832  		x0 := sh.Args[0]
 27833  		if x0.Op != OpS390XMOVBZload {
 27834  			break
 27835  		}
 27836  		i0 := x0.AuxInt
 27837  		if x0.Aux != s {
 27838  			break
 27839  		}
 27840  		if p != x0.Args[0] {
 27841  			break
 27842  		}
 27843  		if mem != x0.Args[1] {
 27844  			break
 27845  		}
 27846  		if !(i1 == i0+1 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 27847  			break
 27848  		}
 27849  		b = mergePoint(b, x0, x1)
 27850  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZload, types.UInt16)
 27851  		v.reset(OpCopy)
 27852  		v.AddArg(v0)
 27853  		v0.AuxInt = i0
 27854  		v0.Aux = s
 27855  		v0.AddArg(p)
 27856  		v0.AddArg(mem)
 27857  		return true
 27858  	}
 27859  	// match: (ORW sh:(SLWconst [8] x0:(MOVBZload [i0] {s} p mem)) x1:(MOVBZload [i1] {s} p mem))
 27860  	// cond: i1 == i0+1   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 27861  	// result: @mergePoint(b,x0,x1) (MOVHZload [i0] {s} p mem)
 27862  	for {
 27863  		sh := v.Args[0]
 27864  		if sh.Op != OpS390XSLWconst {
 27865  			break
 27866  		}
 27867  		if sh.AuxInt != 8 {
 27868  			break
 27869  		}
 27870  		x0 := sh.Args[0]
 27871  		if x0.Op != OpS390XMOVBZload {
 27872  			break
 27873  		}
 27874  		i0 := x0.AuxInt
 27875  		s := x0.Aux
 27876  		p := x0.Args[0]
 27877  		mem := x0.Args[1]
 27878  		x1 := v.Args[1]
 27879  		if x1.Op != OpS390XMOVBZload {
 27880  			break
 27881  		}
 27882  		i1 := x1.AuxInt
 27883  		if x1.Aux != s {
 27884  			break
 27885  		}
 27886  		if p != x1.Args[0] {
 27887  			break
 27888  		}
 27889  		if mem != x1.Args[1] {
 27890  			break
 27891  		}
 27892  		if !(i1 == i0+1 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 27893  			break
 27894  		}
 27895  		b = mergePoint(b, x0, x1)
 27896  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZload, types.UInt16)
 27897  		v.reset(OpCopy)
 27898  		v.AddArg(v0)
 27899  		v0.AuxInt = i0
 27900  		v0.Aux = s
 27901  		v0.AddArg(p)
 27902  		v0.AddArg(mem)
 27903  		return true
 27904  	}
 27905  	// match: (ORW x1:(MOVHZload [i1] {s} p mem) sh:(SLWconst [16] x0:(MOVHZload [i0] {s} p mem)))
 27906  	// cond: i1 == i0+2   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 27907  	// result: @mergePoint(b,x0,x1) (MOVWZload [i0] {s} p mem)
 27908  	for {
 27909  		x1 := v.Args[0]
 27910  		if x1.Op != OpS390XMOVHZload {
 27911  			break
 27912  		}
 27913  		i1 := x1.AuxInt
 27914  		s := x1.Aux
 27915  		p := x1.Args[0]
 27916  		mem := x1.Args[1]
 27917  		sh := v.Args[1]
 27918  		if sh.Op != OpS390XSLWconst {
 27919  			break
 27920  		}
 27921  		if sh.AuxInt != 16 {
 27922  			break
 27923  		}
 27924  		x0 := sh.Args[0]
 27925  		if x0.Op != OpS390XMOVHZload {
 27926  			break
 27927  		}
 27928  		i0 := x0.AuxInt
 27929  		if x0.Aux != s {
 27930  			break
 27931  		}
 27932  		if p != x0.Args[0] {
 27933  			break
 27934  		}
 27935  		if mem != x0.Args[1] {
 27936  			break
 27937  		}
 27938  		if !(i1 == i0+2 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 27939  			break
 27940  		}
 27941  		b = mergePoint(b, x0, x1)
 27942  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZload, types.UInt32)
 27943  		v.reset(OpCopy)
 27944  		v.AddArg(v0)
 27945  		v0.AuxInt = i0
 27946  		v0.Aux = s
 27947  		v0.AddArg(p)
 27948  		v0.AddArg(mem)
 27949  		return true
 27950  	}
 27951  	// match: (ORW sh:(SLWconst [16] x0:(MOVHZload [i0] {s} p mem)) x1:(MOVHZload [i1] {s} p mem))
 27952  	// cond: i1 == i0+2   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 27953  	// result: @mergePoint(b,x0,x1) (MOVWZload [i0] {s} p mem)
 27954  	for {
 27955  		sh := v.Args[0]
 27956  		if sh.Op != OpS390XSLWconst {
 27957  			break
 27958  		}
 27959  		if sh.AuxInt != 16 {
 27960  			break
 27961  		}
 27962  		x0 := sh.Args[0]
 27963  		if x0.Op != OpS390XMOVHZload {
 27964  			break
 27965  		}
 27966  		i0 := x0.AuxInt
 27967  		s := x0.Aux
 27968  		p := x0.Args[0]
 27969  		mem := x0.Args[1]
 27970  		x1 := v.Args[1]
 27971  		if x1.Op != OpS390XMOVHZload {
 27972  			break
 27973  		}
 27974  		i1 := x1.AuxInt
 27975  		if x1.Aux != s {
 27976  			break
 27977  		}
 27978  		if p != x1.Args[0] {
 27979  			break
 27980  		}
 27981  		if mem != x1.Args[1] {
 27982  			break
 27983  		}
 27984  		if !(i1 == i0+2 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 27985  			break
 27986  		}
 27987  		b = mergePoint(b, x0, x1)
 27988  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZload, types.UInt32)
 27989  		v.reset(OpCopy)
 27990  		v.AddArg(v0)
 27991  		v0.AuxInt = i0
 27992  		v0.Aux = s
 27993  		v0.AddArg(p)
 27994  		v0.AddArg(mem)
 27995  		return true
 27996  	}
 27997  	// match: (ORW s0:(SLWconst [j0] x0:(MOVBZload [i0] {s} p mem)) or:(ORW s1:(SLWconst [j1] x1:(MOVBZload [i1] {s} p mem)) y))
 27998  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 27999  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
 28000  	for {
 28001  		s0 := v.Args[0]
 28002  		if s0.Op != OpS390XSLWconst {
 28003  			break
 28004  		}
 28005  		j0 := s0.AuxInt
 28006  		x0 := s0.Args[0]
 28007  		if x0.Op != OpS390XMOVBZload {
 28008  			break
 28009  		}
 28010  		i0 := x0.AuxInt
 28011  		s := x0.Aux
 28012  		p := x0.Args[0]
 28013  		mem := x0.Args[1]
 28014  		or := v.Args[1]
 28015  		if or.Op != OpS390XORW {
 28016  			break
 28017  		}
 28018  		s1 := or.Args[0]
 28019  		if s1.Op != OpS390XSLWconst {
 28020  			break
 28021  		}
 28022  		j1 := s1.AuxInt
 28023  		x1 := s1.Args[0]
 28024  		if x1.Op != OpS390XMOVBZload {
 28025  			break
 28026  		}
 28027  		i1 := x1.AuxInt
 28028  		if x1.Aux != s {
 28029  			break
 28030  		}
 28031  		if p != x1.Args[0] {
 28032  			break
 28033  		}
 28034  		if mem != x1.Args[1] {
 28035  			break
 28036  		}
 28037  		y := or.Args[1]
 28038  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 28039  			break
 28040  		}
 28041  		b = mergePoint(b, x0, x1)
 28042  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 28043  		v.reset(OpCopy)
 28044  		v.AddArg(v0)
 28045  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 28046  		v1.AuxInt = j1
 28047  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZload, types.UInt16)
 28048  		v2.AuxInt = i0
 28049  		v2.Aux = s
 28050  		v2.AddArg(p)
 28051  		v2.AddArg(mem)
 28052  		v1.AddArg(v2)
 28053  		v0.AddArg(v1)
 28054  		v0.AddArg(y)
 28055  		return true
 28056  	}
 28057  	// match: (ORW s0:(SLWconst [j0] x0:(MOVBZload [i0] {s} p mem)) or:(ORW y s1:(SLWconst [j1] x1:(MOVBZload [i1] {s} p mem))))
 28058  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 28059  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
 28060  	for {
 28061  		s0 := v.Args[0]
 28062  		if s0.Op != OpS390XSLWconst {
 28063  			break
 28064  		}
 28065  		j0 := s0.AuxInt
 28066  		x0 := s0.Args[0]
 28067  		if x0.Op != OpS390XMOVBZload {
 28068  			break
 28069  		}
 28070  		i0 := x0.AuxInt
 28071  		s := x0.Aux
 28072  		p := x0.Args[0]
 28073  		mem := x0.Args[1]
 28074  		or := v.Args[1]
 28075  		if or.Op != OpS390XORW {
 28076  			break
 28077  		}
 28078  		y := or.Args[0]
 28079  		s1 := or.Args[1]
 28080  		if s1.Op != OpS390XSLWconst {
 28081  			break
 28082  		}
 28083  		j1 := s1.AuxInt
 28084  		x1 := s1.Args[0]
 28085  		if x1.Op != OpS390XMOVBZload {
 28086  			break
 28087  		}
 28088  		i1 := x1.AuxInt
 28089  		if x1.Aux != s {
 28090  			break
 28091  		}
 28092  		if p != x1.Args[0] {
 28093  			break
 28094  		}
 28095  		if mem != x1.Args[1] {
 28096  			break
 28097  		}
 28098  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 28099  			break
 28100  		}
 28101  		b = mergePoint(b, x0, x1)
 28102  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 28103  		v.reset(OpCopy)
 28104  		v.AddArg(v0)
 28105  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 28106  		v1.AuxInt = j1
 28107  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZload, types.UInt16)
 28108  		v2.AuxInt = i0
 28109  		v2.Aux = s
 28110  		v2.AddArg(p)
 28111  		v2.AddArg(mem)
 28112  		v1.AddArg(v2)
 28113  		v0.AddArg(v1)
 28114  		v0.AddArg(y)
 28115  		return true
 28116  	}
 28117  	// match: (ORW or:(ORW s1:(SLWconst [j1] x1:(MOVBZload [i1] {s} p mem)) y) s0:(SLWconst [j0] x0:(MOVBZload [i0] {s} p mem)))
 28118  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 28119  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
 28120  	for {
 28121  		or := v.Args[0]
 28122  		if or.Op != OpS390XORW {
 28123  			break
 28124  		}
 28125  		s1 := or.Args[0]
 28126  		if s1.Op != OpS390XSLWconst {
 28127  			break
 28128  		}
 28129  		j1 := s1.AuxInt
 28130  		x1 := s1.Args[0]
 28131  		if x1.Op != OpS390XMOVBZload {
 28132  			break
 28133  		}
 28134  		i1 := x1.AuxInt
 28135  		s := x1.Aux
 28136  		p := x1.Args[0]
 28137  		mem := x1.Args[1]
 28138  		y := or.Args[1]
 28139  		s0 := v.Args[1]
 28140  		if s0.Op != OpS390XSLWconst {
 28141  			break
 28142  		}
 28143  		j0 := s0.AuxInt
 28144  		x0 := s0.Args[0]
 28145  		if x0.Op != OpS390XMOVBZload {
 28146  			break
 28147  		}
 28148  		i0 := x0.AuxInt
 28149  		if x0.Aux != s {
 28150  			break
 28151  		}
 28152  		if p != x0.Args[0] {
 28153  			break
 28154  		}
 28155  		if mem != x0.Args[1] {
 28156  			break
 28157  		}
 28158  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 28159  			break
 28160  		}
 28161  		b = mergePoint(b, x0, x1)
 28162  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 28163  		v.reset(OpCopy)
 28164  		v.AddArg(v0)
 28165  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 28166  		v1.AuxInt = j1
 28167  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZload, types.UInt16)
 28168  		v2.AuxInt = i0
 28169  		v2.Aux = s
 28170  		v2.AddArg(p)
 28171  		v2.AddArg(mem)
 28172  		v1.AddArg(v2)
 28173  		v0.AddArg(v1)
 28174  		v0.AddArg(y)
 28175  		return true
 28176  	}
 28177  	// match: (ORW or:(ORW y s1:(SLWconst [j1] x1:(MOVBZload [i1] {s} p mem))) s0:(SLWconst [j0] x0:(MOVBZload [i0] {s} p mem)))
 28178  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 28179  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
 28180  	for {
 28181  		or := v.Args[0]
 28182  		if or.Op != OpS390XORW {
 28183  			break
 28184  		}
 28185  		y := or.Args[0]
 28186  		s1 := or.Args[1]
 28187  		if s1.Op != OpS390XSLWconst {
 28188  			break
 28189  		}
 28190  		j1 := s1.AuxInt
 28191  		x1 := s1.Args[0]
 28192  		if x1.Op != OpS390XMOVBZload {
 28193  			break
 28194  		}
 28195  		i1 := x1.AuxInt
 28196  		s := x1.Aux
 28197  		p := x1.Args[0]
 28198  		mem := x1.Args[1]
 28199  		s0 := v.Args[1]
 28200  		if s0.Op != OpS390XSLWconst {
 28201  			break
 28202  		}
 28203  		j0 := s0.AuxInt
 28204  		x0 := s0.Args[0]
 28205  		if x0.Op != OpS390XMOVBZload {
 28206  			break
 28207  		}
 28208  		i0 := x0.AuxInt
 28209  		if x0.Aux != s {
 28210  			break
 28211  		}
 28212  		if p != x0.Args[0] {
 28213  			break
 28214  		}
 28215  		if mem != x0.Args[1] {
 28216  			break
 28217  		}
 28218  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 28219  			break
 28220  		}
 28221  		b = mergePoint(b, x0, x1)
 28222  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 28223  		v.reset(OpCopy)
 28224  		v.AddArg(v0)
 28225  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 28226  		v1.AuxInt = j1
 28227  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZload, types.UInt16)
 28228  		v2.AuxInt = i0
 28229  		v2.Aux = s
 28230  		v2.AddArg(p)
 28231  		v2.AddArg(mem)
 28232  		v1.AddArg(v2)
 28233  		v0.AddArg(v1)
 28234  		v0.AddArg(y)
 28235  		return true
 28236  	}
 28237  	// match: (ORW x1:(MOVBZloadidx [i1] {s} p idx mem) sh:(SLWconst [8] x0:(MOVBZloadidx [i0] {s} p idx mem)))
 28238  	// cond: i1 == i0+1   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 28239  	// result: @mergePoint(b,x0,x1) (MOVHZloadidx [i0] {s} p idx mem)
 28240  	for {
 28241  		x1 := v.Args[0]
 28242  		if x1.Op != OpS390XMOVBZloadidx {
 28243  			break
 28244  		}
 28245  		i1 := x1.AuxInt
 28246  		s := x1.Aux
 28247  		p := x1.Args[0]
 28248  		idx := x1.Args[1]
 28249  		mem := x1.Args[2]
 28250  		sh := v.Args[1]
 28251  		if sh.Op != OpS390XSLWconst {
 28252  			break
 28253  		}
 28254  		if sh.AuxInt != 8 {
 28255  			break
 28256  		}
 28257  		x0 := sh.Args[0]
 28258  		if x0.Op != OpS390XMOVBZloadidx {
 28259  			break
 28260  		}
 28261  		i0 := x0.AuxInt
 28262  		if x0.Aux != s {
 28263  			break
 28264  		}
 28265  		if p != x0.Args[0] {
 28266  			break
 28267  		}
 28268  		if idx != x0.Args[1] {
 28269  			break
 28270  		}
 28271  		if mem != x0.Args[2] {
 28272  			break
 28273  		}
 28274  		if !(i1 == i0+1 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 28275  			break
 28276  		}
 28277  		b = mergePoint(b, x0, x1)
 28278  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 28279  		v.reset(OpCopy)
 28280  		v.AddArg(v0)
 28281  		v0.AuxInt = i0
 28282  		v0.Aux = s
 28283  		v0.AddArg(p)
 28284  		v0.AddArg(idx)
 28285  		v0.AddArg(mem)
 28286  		return true
 28287  	}
 28288  	// match: (ORW x1:(MOVBZloadidx [i1] {s} idx p mem) sh:(SLWconst [8] x0:(MOVBZloadidx [i0] {s} p idx mem)))
 28289  	// cond: i1 == i0+1   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 28290  	// result: @mergePoint(b,x0,x1) (MOVHZloadidx [i0] {s} p idx mem)
 28291  	for {
 28292  		x1 := v.Args[0]
 28293  		if x1.Op != OpS390XMOVBZloadidx {
 28294  			break
 28295  		}
 28296  		i1 := x1.AuxInt
 28297  		s := x1.Aux
 28298  		idx := x1.Args[0]
 28299  		p := x1.Args[1]
 28300  		mem := x1.Args[2]
 28301  		sh := v.Args[1]
 28302  		if sh.Op != OpS390XSLWconst {
 28303  			break
 28304  		}
 28305  		if sh.AuxInt != 8 {
 28306  			break
 28307  		}
 28308  		x0 := sh.Args[0]
 28309  		if x0.Op != OpS390XMOVBZloadidx {
 28310  			break
 28311  		}
 28312  		i0 := x0.AuxInt
 28313  		if x0.Aux != s {
 28314  			break
 28315  		}
 28316  		if p != x0.Args[0] {
 28317  			break
 28318  		}
 28319  		if idx != x0.Args[1] {
 28320  			break
 28321  		}
 28322  		if mem != x0.Args[2] {
 28323  			break
 28324  		}
 28325  		if !(i1 == i0+1 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 28326  			break
 28327  		}
 28328  		b = mergePoint(b, x0, x1)
 28329  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 28330  		v.reset(OpCopy)
 28331  		v.AddArg(v0)
 28332  		v0.AuxInt = i0
 28333  		v0.Aux = s
 28334  		v0.AddArg(p)
 28335  		v0.AddArg(idx)
 28336  		v0.AddArg(mem)
 28337  		return true
 28338  	}
 28339  	// match: (ORW x1:(MOVBZloadidx [i1] {s} p idx mem) sh:(SLWconst [8] x0:(MOVBZloadidx [i0] {s} idx p mem)))
 28340  	// cond: i1 == i0+1   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 28341  	// result: @mergePoint(b,x0,x1) (MOVHZloadidx [i0] {s} p idx mem)
 28342  	for {
 28343  		x1 := v.Args[0]
 28344  		if x1.Op != OpS390XMOVBZloadidx {
 28345  			break
 28346  		}
 28347  		i1 := x1.AuxInt
 28348  		s := x1.Aux
 28349  		p := x1.Args[0]
 28350  		idx := x1.Args[1]
 28351  		mem := x1.Args[2]
 28352  		sh := v.Args[1]
 28353  		if sh.Op != OpS390XSLWconst {
 28354  			break
 28355  		}
 28356  		if sh.AuxInt != 8 {
 28357  			break
 28358  		}
 28359  		x0 := sh.Args[0]
 28360  		if x0.Op != OpS390XMOVBZloadidx {
 28361  			break
 28362  		}
 28363  		i0 := x0.AuxInt
 28364  		if x0.Aux != s {
 28365  			break
 28366  		}
 28367  		if idx != x0.Args[0] {
 28368  			break
 28369  		}
 28370  		if p != x0.Args[1] {
 28371  			break
 28372  		}
 28373  		if mem != x0.Args[2] {
 28374  			break
 28375  		}
 28376  		if !(i1 == i0+1 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 28377  			break
 28378  		}
 28379  		b = mergePoint(b, x0, x1)
 28380  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 28381  		v.reset(OpCopy)
 28382  		v.AddArg(v0)
 28383  		v0.AuxInt = i0
 28384  		v0.Aux = s
 28385  		v0.AddArg(p)
 28386  		v0.AddArg(idx)
 28387  		v0.AddArg(mem)
 28388  		return true
 28389  	}
 28390  	// match: (ORW x1:(MOVBZloadidx [i1] {s} idx p mem) sh:(SLWconst [8] x0:(MOVBZloadidx [i0] {s} idx p mem)))
 28391  	// cond: i1 == i0+1   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 28392  	// result: @mergePoint(b,x0,x1) (MOVHZloadidx [i0] {s} p idx mem)
 28393  	for {
 28394  		x1 := v.Args[0]
 28395  		if x1.Op != OpS390XMOVBZloadidx {
 28396  			break
 28397  		}
 28398  		i1 := x1.AuxInt
 28399  		s := x1.Aux
 28400  		idx := x1.Args[0]
 28401  		p := x1.Args[1]
 28402  		mem := x1.Args[2]
 28403  		sh := v.Args[1]
 28404  		if sh.Op != OpS390XSLWconst {
 28405  			break
 28406  		}
 28407  		if sh.AuxInt != 8 {
 28408  			break
 28409  		}
 28410  		x0 := sh.Args[0]
 28411  		if x0.Op != OpS390XMOVBZloadidx {
 28412  			break
 28413  		}
 28414  		i0 := x0.AuxInt
 28415  		if x0.Aux != s {
 28416  			break
 28417  		}
 28418  		if idx != x0.Args[0] {
 28419  			break
 28420  		}
 28421  		if p != x0.Args[1] {
 28422  			break
 28423  		}
 28424  		if mem != x0.Args[2] {
 28425  			break
 28426  		}
 28427  		if !(i1 == i0+1 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 28428  			break
 28429  		}
 28430  		b = mergePoint(b, x0, x1)
 28431  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 28432  		v.reset(OpCopy)
 28433  		v.AddArg(v0)
 28434  		v0.AuxInt = i0
 28435  		v0.Aux = s
 28436  		v0.AddArg(p)
 28437  		v0.AddArg(idx)
 28438  		v0.AddArg(mem)
 28439  		return true
 28440  	}
 28441  	// match: (ORW sh:(SLWconst [8] x0:(MOVBZloadidx [i0] {s} p idx mem)) x1:(MOVBZloadidx [i1] {s} p idx mem))
 28442  	// cond: i1 == i0+1   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 28443  	// result: @mergePoint(b,x0,x1) (MOVHZloadidx [i0] {s} p idx mem)
 28444  	for {
 28445  		sh := v.Args[0]
 28446  		if sh.Op != OpS390XSLWconst {
 28447  			break
 28448  		}
 28449  		if sh.AuxInt != 8 {
 28450  			break
 28451  		}
 28452  		x0 := sh.Args[0]
 28453  		if x0.Op != OpS390XMOVBZloadidx {
 28454  			break
 28455  		}
 28456  		i0 := x0.AuxInt
 28457  		s := x0.Aux
 28458  		p := x0.Args[0]
 28459  		idx := x0.Args[1]
 28460  		mem := x0.Args[2]
 28461  		x1 := v.Args[1]
 28462  		if x1.Op != OpS390XMOVBZloadidx {
 28463  			break
 28464  		}
 28465  		i1 := x1.AuxInt
 28466  		if x1.Aux != s {
 28467  			break
 28468  		}
 28469  		if p != x1.Args[0] {
 28470  			break
 28471  		}
 28472  		if idx != x1.Args[1] {
 28473  			break
 28474  		}
 28475  		if mem != x1.Args[2] {
 28476  			break
 28477  		}
 28478  		if !(i1 == i0+1 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 28479  			break
 28480  		}
 28481  		b = mergePoint(b, x0, x1)
 28482  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 28483  		v.reset(OpCopy)
 28484  		v.AddArg(v0)
 28485  		v0.AuxInt = i0
 28486  		v0.Aux = s
 28487  		v0.AddArg(p)
 28488  		v0.AddArg(idx)
 28489  		v0.AddArg(mem)
 28490  		return true
 28491  	}
 28492  	// match: (ORW sh:(SLWconst [8] x0:(MOVBZloadidx [i0] {s} idx p mem)) x1:(MOVBZloadidx [i1] {s} p idx mem))
 28493  	// cond: i1 == i0+1   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 28494  	// result: @mergePoint(b,x0,x1) (MOVHZloadidx [i0] {s} p idx mem)
 28495  	for {
 28496  		sh := v.Args[0]
 28497  		if sh.Op != OpS390XSLWconst {
 28498  			break
 28499  		}
 28500  		if sh.AuxInt != 8 {
 28501  			break
 28502  		}
 28503  		x0 := sh.Args[0]
 28504  		if x0.Op != OpS390XMOVBZloadidx {
 28505  			break
 28506  		}
 28507  		i0 := x0.AuxInt
 28508  		s := x0.Aux
 28509  		idx := x0.Args[0]
 28510  		p := x0.Args[1]
 28511  		mem := x0.Args[2]
 28512  		x1 := v.Args[1]
 28513  		if x1.Op != OpS390XMOVBZloadidx {
 28514  			break
 28515  		}
 28516  		i1 := x1.AuxInt
 28517  		if x1.Aux != s {
 28518  			break
 28519  		}
 28520  		if p != x1.Args[0] {
 28521  			break
 28522  		}
 28523  		if idx != x1.Args[1] {
 28524  			break
 28525  		}
 28526  		if mem != x1.Args[2] {
 28527  			break
 28528  		}
 28529  		if !(i1 == i0+1 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 28530  			break
 28531  		}
 28532  		b = mergePoint(b, x0, x1)
 28533  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 28534  		v.reset(OpCopy)
 28535  		v.AddArg(v0)
 28536  		v0.AuxInt = i0
 28537  		v0.Aux = s
 28538  		v0.AddArg(p)
 28539  		v0.AddArg(idx)
 28540  		v0.AddArg(mem)
 28541  		return true
 28542  	}
 28543  	// match: (ORW sh:(SLWconst [8] x0:(MOVBZloadidx [i0] {s} p idx mem)) x1:(MOVBZloadidx [i1] {s} idx p mem))
 28544  	// cond: i1 == i0+1   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 28545  	// result: @mergePoint(b,x0,x1) (MOVHZloadidx [i0] {s} p idx mem)
 28546  	for {
 28547  		sh := v.Args[0]
 28548  		if sh.Op != OpS390XSLWconst {
 28549  			break
 28550  		}
 28551  		if sh.AuxInt != 8 {
 28552  			break
 28553  		}
 28554  		x0 := sh.Args[0]
 28555  		if x0.Op != OpS390XMOVBZloadidx {
 28556  			break
 28557  		}
 28558  		i0 := x0.AuxInt
 28559  		s := x0.Aux
 28560  		p := x0.Args[0]
 28561  		idx := x0.Args[1]
 28562  		mem := x0.Args[2]
 28563  		x1 := v.Args[1]
 28564  		if x1.Op != OpS390XMOVBZloadidx {
 28565  			break
 28566  		}
 28567  		i1 := x1.AuxInt
 28568  		if x1.Aux != s {
 28569  			break
 28570  		}
 28571  		if idx != x1.Args[0] {
 28572  			break
 28573  		}
 28574  		if p != x1.Args[1] {
 28575  			break
 28576  		}
 28577  		if mem != x1.Args[2] {
 28578  			break
 28579  		}
 28580  		if !(i1 == i0+1 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 28581  			break
 28582  		}
 28583  		b = mergePoint(b, x0, x1)
 28584  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 28585  		v.reset(OpCopy)
 28586  		v.AddArg(v0)
 28587  		v0.AuxInt = i0
 28588  		v0.Aux = s
 28589  		v0.AddArg(p)
 28590  		v0.AddArg(idx)
 28591  		v0.AddArg(mem)
 28592  		return true
 28593  	}
 28594  	// match: (ORW sh:(SLWconst [8] x0:(MOVBZloadidx [i0] {s} idx p mem)) x1:(MOVBZloadidx [i1] {s} idx p mem))
 28595  	// cond: i1 == i0+1   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 28596  	// result: @mergePoint(b,x0,x1) (MOVHZloadidx [i0] {s} p idx mem)
 28597  	for {
 28598  		sh := v.Args[0]
 28599  		if sh.Op != OpS390XSLWconst {
 28600  			break
 28601  		}
 28602  		if sh.AuxInt != 8 {
 28603  			break
 28604  		}
 28605  		x0 := sh.Args[0]
 28606  		if x0.Op != OpS390XMOVBZloadidx {
 28607  			break
 28608  		}
 28609  		i0 := x0.AuxInt
 28610  		s := x0.Aux
 28611  		idx := x0.Args[0]
 28612  		p := x0.Args[1]
 28613  		mem := x0.Args[2]
 28614  		x1 := v.Args[1]
 28615  		if x1.Op != OpS390XMOVBZloadidx {
 28616  			break
 28617  		}
 28618  		i1 := x1.AuxInt
 28619  		if x1.Aux != s {
 28620  			break
 28621  		}
 28622  		if idx != x1.Args[0] {
 28623  			break
 28624  		}
 28625  		if p != x1.Args[1] {
 28626  			break
 28627  		}
 28628  		if mem != x1.Args[2] {
 28629  			break
 28630  		}
 28631  		if !(i1 == i0+1 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 28632  			break
 28633  		}
 28634  		b = mergePoint(b, x0, x1)
 28635  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 28636  		v.reset(OpCopy)
 28637  		v.AddArg(v0)
 28638  		v0.AuxInt = i0
 28639  		v0.Aux = s
 28640  		v0.AddArg(p)
 28641  		v0.AddArg(idx)
 28642  		v0.AddArg(mem)
 28643  		return true
 28644  	}
 28645  	// match: (ORW x1:(MOVHZloadidx [i1] {s} p idx mem) sh:(SLWconst [16] x0:(MOVHZloadidx [i0] {s} p idx mem)))
 28646  	// cond: i1 == i0+2   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 28647  	// result: @mergePoint(b,x0,x1) (MOVWZloadidx [i0] {s} p idx mem)
 28648  	for {
 28649  		x1 := v.Args[0]
 28650  		if x1.Op != OpS390XMOVHZloadidx {
 28651  			break
 28652  		}
 28653  		i1 := x1.AuxInt
 28654  		s := x1.Aux
 28655  		p := x1.Args[0]
 28656  		idx := x1.Args[1]
 28657  		mem := x1.Args[2]
 28658  		sh := v.Args[1]
 28659  		if sh.Op != OpS390XSLWconst {
 28660  			break
 28661  		}
 28662  		if sh.AuxInt != 16 {
 28663  			break
 28664  		}
 28665  		x0 := sh.Args[0]
 28666  		if x0.Op != OpS390XMOVHZloadidx {
 28667  			break
 28668  		}
 28669  		i0 := x0.AuxInt
 28670  		if x0.Aux != s {
 28671  			break
 28672  		}
 28673  		if p != x0.Args[0] {
 28674  			break
 28675  		}
 28676  		if idx != x0.Args[1] {
 28677  			break
 28678  		}
 28679  		if mem != x0.Args[2] {
 28680  			break
 28681  		}
 28682  		if !(i1 == i0+2 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 28683  			break
 28684  		}
 28685  		b = mergePoint(b, x0, x1)
 28686  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 28687  		v.reset(OpCopy)
 28688  		v.AddArg(v0)
 28689  		v0.AuxInt = i0
 28690  		v0.Aux = s
 28691  		v0.AddArg(p)
 28692  		v0.AddArg(idx)
 28693  		v0.AddArg(mem)
 28694  		return true
 28695  	}
 28696  	// match: (ORW x1:(MOVHZloadidx [i1] {s} idx p mem) sh:(SLWconst [16] x0:(MOVHZloadidx [i0] {s} p idx mem)))
 28697  	// cond: i1 == i0+2   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 28698  	// result: @mergePoint(b,x0,x1) (MOVWZloadidx [i0] {s} p idx mem)
 28699  	for {
 28700  		x1 := v.Args[0]
 28701  		if x1.Op != OpS390XMOVHZloadidx {
 28702  			break
 28703  		}
 28704  		i1 := x1.AuxInt
 28705  		s := x1.Aux
 28706  		idx := x1.Args[0]
 28707  		p := x1.Args[1]
 28708  		mem := x1.Args[2]
 28709  		sh := v.Args[1]
 28710  		if sh.Op != OpS390XSLWconst {
 28711  			break
 28712  		}
 28713  		if sh.AuxInt != 16 {
 28714  			break
 28715  		}
 28716  		x0 := sh.Args[0]
 28717  		if x0.Op != OpS390XMOVHZloadidx {
 28718  			break
 28719  		}
 28720  		i0 := x0.AuxInt
 28721  		if x0.Aux != s {
 28722  			break
 28723  		}
 28724  		if p != x0.Args[0] {
 28725  			break
 28726  		}
 28727  		if idx != x0.Args[1] {
 28728  			break
 28729  		}
 28730  		if mem != x0.Args[2] {
 28731  			break
 28732  		}
 28733  		if !(i1 == i0+2 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 28734  			break
 28735  		}
 28736  		b = mergePoint(b, x0, x1)
 28737  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 28738  		v.reset(OpCopy)
 28739  		v.AddArg(v0)
 28740  		v0.AuxInt = i0
 28741  		v0.Aux = s
 28742  		v0.AddArg(p)
 28743  		v0.AddArg(idx)
 28744  		v0.AddArg(mem)
 28745  		return true
 28746  	}
 28747  	// match: (ORW x1:(MOVHZloadidx [i1] {s} p idx mem) sh:(SLWconst [16] x0:(MOVHZloadidx [i0] {s} idx p mem)))
 28748  	// cond: i1 == i0+2   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 28749  	// result: @mergePoint(b,x0,x1) (MOVWZloadidx [i0] {s} p idx mem)
 28750  	for {
 28751  		x1 := v.Args[0]
 28752  		if x1.Op != OpS390XMOVHZloadidx {
 28753  			break
 28754  		}
 28755  		i1 := x1.AuxInt
 28756  		s := x1.Aux
 28757  		p := x1.Args[0]
 28758  		idx := x1.Args[1]
 28759  		mem := x1.Args[2]
 28760  		sh := v.Args[1]
 28761  		if sh.Op != OpS390XSLWconst {
 28762  			break
 28763  		}
 28764  		if sh.AuxInt != 16 {
 28765  			break
 28766  		}
 28767  		x0 := sh.Args[0]
 28768  		if x0.Op != OpS390XMOVHZloadidx {
 28769  			break
 28770  		}
 28771  		i0 := x0.AuxInt
 28772  		if x0.Aux != s {
 28773  			break
 28774  		}
 28775  		if idx != x0.Args[0] {
 28776  			break
 28777  		}
 28778  		if p != x0.Args[1] {
 28779  			break
 28780  		}
 28781  		if mem != x0.Args[2] {
 28782  			break
 28783  		}
 28784  		if !(i1 == i0+2 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 28785  			break
 28786  		}
 28787  		b = mergePoint(b, x0, x1)
 28788  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 28789  		v.reset(OpCopy)
 28790  		v.AddArg(v0)
 28791  		v0.AuxInt = i0
 28792  		v0.Aux = s
 28793  		v0.AddArg(p)
 28794  		v0.AddArg(idx)
 28795  		v0.AddArg(mem)
 28796  		return true
 28797  	}
 28798  	// match: (ORW x1:(MOVHZloadidx [i1] {s} idx p mem) sh:(SLWconst [16] x0:(MOVHZloadidx [i0] {s} idx p mem)))
 28799  	// cond: i1 == i0+2   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 28800  	// result: @mergePoint(b,x0,x1) (MOVWZloadidx [i0] {s} p idx mem)
 28801  	for {
 28802  		x1 := v.Args[0]
 28803  		if x1.Op != OpS390XMOVHZloadidx {
 28804  			break
 28805  		}
 28806  		i1 := x1.AuxInt
 28807  		s := x1.Aux
 28808  		idx := x1.Args[0]
 28809  		p := x1.Args[1]
 28810  		mem := x1.Args[2]
 28811  		sh := v.Args[1]
 28812  		if sh.Op != OpS390XSLWconst {
 28813  			break
 28814  		}
 28815  		if sh.AuxInt != 16 {
 28816  			break
 28817  		}
 28818  		x0 := sh.Args[0]
 28819  		if x0.Op != OpS390XMOVHZloadidx {
 28820  			break
 28821  		}
 28822  		i0 := x0.AuxInt
 28823  		if x0.Aux != s {
 28824  			break
 28825  		}
 28826  		if idx != x0.Args[0] {
 28827  			break
 28828  		}
 28829  		if p != x0.Args[1] {
 28830  			break
 28831  		}
 28832  		if mem != x0.Args[2] {
 28833  			break
 28834  		}
 28835  		if !(i1 == i0+2 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 28836  			break
 28837  		}
 28838  		b = mergePoint(b, x0, x1)
 28839  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 28840  		v.reset(OpCopy)
 28841  		v.AddArg(v0)
 28842  		v0.AuxInt = i0
 28843  		v0.Aux = s
 28844  		v0.AddArg(p)
 28845  		v0.AddArg(idx)
 28846  		v0.AddArg(mem)
 28847  		return true
 28848  	}
 28849  	// match: (ORW sh:(SLWconst [16] x0:(MOVHZloadidx [i0] {s} p idx mem)) x1:(MOVHZloadidx [i1] {s} p idx mem))
 28850  	// cond: i1 == i0+2   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 28851  	// result: @mergePoint(b,x0,x1) (MOVWZloadidx [i0] {s} p idx mem)
 28852  	for {
 28853  		sh := v.Args[0]
 28854  		if sh.Op != OpS390XSLWconst {
 28855  			break
 28856  		}
 28857  		if sh.AuxInt != 16 {
 28858  			break
 28859  		}
 28860  		x0 := sh.Args[0]
 28861  		if x0.Op != OpS390XMOVHZloadidx {
 28862  			break
 28863  		}
 28864  		i0 := x0.AuxInt
 28865  		s := x0.Aux
 28866  		p := x0.Args[0]
 28867  		idx := x0.Args[1]
 28868  		mem := x0.Args[2]
 28869  		x1 := v.Args[1]
 28870  		if x1.Op != OpS390XMOVHZloadidx {
 28871  			break
 28872  		}
 28873  		i1 := x1.AuxInt
 28874  		if x1.Aux != s {
 28875  			break
 28876  		}
 28877  		if p != x1.Args[0] {
 28878  			break
 28879  		}
 28880  		if idx != x1.Args[1] {
 28881  			break
 28882  		}
 28883  		if mem != x1.Args[2] {
 28884  			break
 28885  		}
 28886  		if !(i1 == i0+2 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 28887  			break
 28888  		}
 28889  		b = mergePoint(b, x0, x1)
 28890  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 28891  		v.reset(OpCopy)
 28892  		v.AddArg(v0)
 28893  		v0.AuxInt = i0
 28894  		v0.Aux = s
 28895  		v0.AddArg(p)
 28896  		v0.AddArg(idx)
 28897  		v0.AddArg(mem)
 28898  		return true
 28899  	}
 28900  	// match: (ORW sh:(SLWconst [16] x0:(MOVHZloadidx [i0] {s} idx p mem)) x1:(MOVHZloadidx [i1] {s} p idx mem))
 28901  	// cond: i1 == i0+2   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 28902  	// result: @mergePoint(b,x0,x1) (MOVWZloadidx [i0] {s} p idx mem)
 28903  	for {
 28904  		sh := v.Args[0]
 28905  		if sh.Op != OpS390XSLWconst {
 28906  			break
 28907  		}
 28908  		if sh.AuxInt != 16 {
 28909  			break
 28910  		}
 28911  		x0 := sh.Args[0]
 28912  		if x0.Op != OpS390XMOVHZloadidx {
 28913  			break
 28914  		}
 28915  		i0 := x0.AuxInt
 28916  		s := x0.Aux
 28917  		idx := x0.Args[0]
 28918  		p := x0.Args[1]
 28919  		mem := x0.Args[2]
 28920  		x1 := v.Args[1]
 28921  		if x1.Op != OpS390XMOVHZloadidx {
 28922  			break
 28923  		}
 28924  		i1 := x1.AuxInt
 28925  		if x1.Aux != s {
 28926  			break
 28927  		}
 28928  		if p != x1.Args[0] {
 28929  			break
 28930  		}
 28931  		if idx != x1.Args[1] {
 28932  			break
 28933  		}
 28934  		if mem != x1.Args[2] {
 28935  			break
 28936  		}
 28937  		if !(i1 == i0+2 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 28938  			break
 28939  		}
 28940  		b = mergePoint(b, x0, x1)
 28941  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 28942  		v.reset(OpCopy)
 28943  		v.AddArg(v0)
 28944  		v0.AuxInt = i0
 28945  		v0.Aux = s
 28946  		v0.AddArg(p)
 28947  		v0.AddArg(idx)
 28948  		v0.AddArg(mem)
 28949  		return true
 28950  	}
 28951  	// match: (ORW sh:(SLWconst [16] x0:(MOVHZloadidx [i0] {s} p idx mem)) x1:(MOVHZloadidx [i1] {s} idx p mem))
 28952  	// cond: i1 == i0+2   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 28953  	// result: @mergePoint(b,x0,x1) (MOVWZloadidx [i0] {s} p idx mem)
 28954  	for {
 28955  		sh := v.Args[0]
 28956  		if sh.Op != OpS390XSLWconst {
 28957  			break
 28958  		}
 28959  		if sh.AuxInt != 16 {
 28960  			break
 28961  		}
 28962  		x0 := sh.Args[0]
 28963  		if x0.Op != OpS390XMOVHZloadidx {
 28964  			break
 28965  		}
 28966  		i0 := x0.AuxInt
 28967  		s := x0.Aux
 28968  		p := x0.Args[0]
 28969  		idx := x0.Args[1]
 28970  		mem := x0.Args[2]
 28971  		x1 := v.Args[1]
 28972  		if x1.Op != OpS390XMOVHZloadidx {
 28973  			break
 28974  		}
 28975  		i1 := x1.AuxInt
 28976  		if x1.Aux != s {
 28977  			break
 28978  		}
 28979  		if idx != x1.Args[0] {
 28980  			break
 28981  		}
 28982  		if p != x1.Args[1] {
 28983  			break
 28984  		}
 28985  		if mem != x1.Args[2] {
 28986  			break
 28987  		}
 28988  		if !(i1 == i0+2 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 28989  			break
 28990  		}
 28991  		b = mergePoint(b, x0, x1)
 28992  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 28993  		v.reset(OpCopy)
 28994  		v.AddArg(v0)
 28995  		v0.AuxInt = i0
 28996  		v0.Aux = s
 28997  		v0.AddArg(p)
 28998  		v0.AddArg(idx)
 28999  		v0.AddArg(mem)
 29000  		return true
 29001  	}
 29002  	// match: (ORW sh:(SLWconst [16] x0:(MOVHZloadidx [i0] {s} idx p mem)) x1:(MOVHZloadidx [i1] {s} idx p mem))
 29003  	// cond: i1 == i0+2   && p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 29004  	// result: @mergePoint(b,x0,x1) (MOVWZloadidx [i0] {s} p idx mem)
 29005  	for {
 29006  		sh := v.Args[0]
 29007  		if sh.Op != OpS390XSLWconst {
 29008  			break
 29009  		}
 29010  		if sh.AuxInt != 16 {
 29011  			break
 29012  		}
 29013  		x0 := sh.Args[0]
 29014  		if x0.Op != OpS390XMOVHZloadidx {
 29015  			break
 29016  		}
 29017  		i0 := x0.AuxInt
 29018  		s := x0.Aux
 29019  		idx := x0.Args[0]
 29020  		p := x0.Args[1]
 29021  		mem := x0.Args[2]
 29022  		x1 := v.Args[1]
 29023  		if x1.Op != OpS390XMOVHZloadidx {
 29024  			break
 29025  		}
 29026  		i1 := x1.AuxInt
 29027  		if x1.Aux != s {
 29028  			break
 29029  		}
 29030  		if idx != x1.Args[0] {
 29031  			break
 29032  		}
 29033  		if p != x1.Args[1] {
 29034  			break
 29035  		}
 29036  		if mem != x1.Args[2] {
 29037  			break
 29038  		}
 29039  		if !(i1 == i0+2 && p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 29040  			break
 29041  		}
 29042  		b = mergePoint(b, x0, x1)
 29043  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, types.UInt32)
 29044  		v.reset(OpCopy)
 29045  		v.AddArg(v0)
 29046  		v0.AuxInt = i0
 29047  		v0.Aux = s
 29048  		v0.AddArg(p)
 29049  		v0.AddArg(idx)
 29050  		v0.AddArg(mem)
 29051  		return true
 29052  	}
 29053  	// match: (ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) or:(ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) y))
 29054  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 29055  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 29056  	for {
 29057  		s0 := v.Args[0]
 29058  		if s0.Op != OpS390XSLWconst {
 29059  			break
 29060  		}
 29061  		j0 := s0.AuxInt
 29062  		x0 := s0.Args[0]
 29063  		if x0.Op != OpS390XMOVBZloadidx {
 29064  			break
 29065  		}
 29066  		i0 := x0.AuxInt
 29067  		s := x0.Aux
 29068  		p := x0.Args[0]
 29069  		idx := x0.Args[1]
 29070  		mem := x0.Args[2]
 29071  		or := v.Args[1]
 29072  		if or.Op != OpS390XORW {
 29073  			break
 29074  		}
 29075  		s1 := or.Args[0]
 29076  		if s1.Op != OpS390XSLWconst {
 29077  			break
 29078  		}
 29079  		j1 := s1.AuxInt
 29080  		x1 := s1.Args[0]
 29081  		if x1.Op != OpS390XMOVBZloadidx {
 29082  			break
 29083  		}
 29084  		i1 := x1.AuxInt
 29085  		if x1.Aux != s {
 29086  			break
 29087  		}
 29088  		if p != x1.Args[0] {
 29089  			break
 29090  		}
 29091  		if idx != x1.Args[1] {
 29092  			break
 29093  		}
 29094  		if mem != x1.Args[2] {
 29095  			break
 29096  		}
 29097  		y := or.Args[1]
 29098  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 29099  			break
 29100  		}
 29101  		b = mergePoint(b, x0, x1)
 29102  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 29103  		v.reset(OpCopy)
 29104  		v.AddArg(v0)
 29105  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 29106  		v1.AuxInt = j1
 29107  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 29108  		v2.AuxInt = i0
 29109  		v2.Aux = s
 29110  		v2.AddArg(p)
 29111  		v2.AddArg(idx)
 29112  		v2.AddArg(mem)
 29113  		v1.AddArg(v2)
 29114  		v0.AddArg(v1)
 29115  		v0.AddArg(y)
 29116  		return true
 29117  	}
 29118  	// match: (ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) or:(ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) y))
 29119  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 29120  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 29121  	for {
 29122  		s0 := v.Args[0]
 29123  		if s0.Op != OpS390XSLWconst {
 29124  			break
 29125  		}
 29126  		j0 := s0.AuxInt
 29127  		x0 := s0.Args[0]
 29128  		if x0.Op != OpS390XMOVBZloadidx {
 29129  			break
 29130  		}
 29131  		i0 := x0.AuxInt
 29132  		s := x0.Aux
 29133  		idx := x0.Args[0]
 29134  		p := x0.Args[1]
 29135  		mem := x0.Args[2]
 29136  		or := v.Args[1]
 29137  		if or.Op != OpS390XORW {
 29138  			break
 29139  		}
 29140  		s1 := or.Args[0]
 29141  		if s1.Op != OpS390XSLWconst {
 29142  			break
 29143  		}
 29144  		j1 := s1.AuxInt
 29145  		x1 := s1.Args[0]
 29146  		if x1.Op != OpS390XMOVBZloadidx {
 29147  			break
 29148  		}
 29149  		i1 := x1.AuxInt
 29150  		if x1.Aux != s {
 29151  			break
 29152  		}
 29153  		if p != x1.Args[0] {
 29154  			break
 29155  		}
 29156  		if idx != x1.Args[1] {
 29157  			break
 29158  		}
 29159  		if mem != x1.Args[2] {
 29160  			break
 29161  		}
 29162  		y := or.Args[1]
 29163  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 29164  			break
 29165  		}
 29166  		b = mergePoint(b, x0, x1)
 29167  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 29168  		v.reset(OpCopy)
 29169  		v.AddArg(v0)
 29170  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 29171  		v1.AuxInt = j1
 29172  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 29173  		v2.AuxInt = i0
 29174  		v2.Aux = s
 29175  		v2.AddArg(p)
 29176  		v2.AddArg(idx)
 29177  		v2.AddArg(mem)
 29178  		v1.AddArg(v2)
 29179  		v0.AddArg(v1)
 29180  		v0.AddArg(y)
 29181  		return true
 29182  	}
 29183  	// match: (ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) or:(ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) y))
 29184  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 29185  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 29186  	for {
 29187  		s0 := v.Args[0]
 29188  		if s0.Op != OpS390XSLWconst {
 29189  			break
 29190  		}
 29191  		j0 := s0.AuxInt
 29192  		x0 := s0.Args[0]
 29193  		if x0.Op != OpS390XMOVBZloadidx {
 29194  			break
 29195  		}
 29196  		i0 := x0.AuxInt
 29197  		s := x0.Aux
 29198  		p := x0.Args[0]
 29199  		idx := x0.Args[1]
 29200  		mem := x0.Args[2]
 29201  		or := v.Args[1]
 29202  		if or.Op != OpS390XORW {
 29203  			break
 29204  		}
 29205  		s1 := or.Args[0]
 29206  		if s1.Op != OpS390XSLWconst {
 29207  			break
 29208  		}
 29209  		j1 := s1.AuxInt
 29210  		x1 := s1.Args[0]
 29211  		if x1.Op != OpS390XMOVBZloadidx {
 29212  			break
 29213  		}
 29214  		i1 := x1.AuxInt
 29215  		if x1.Aux != s {
 29216  			break
 29217  		}
 29218  		if idx != x1.Args[0] {
 29219  			break
 29220  		}
 29221  		if p != x1.Args[1] {
 29222  			break
 29223  		}
 29224  		if mem != x1.Args[2] {
 29225  			break
 29226  		}
 29227  		y := or.Args[1]
 29228  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 29229  			break
 29230  		}
 29231  		b = mergePoint(b, x0, x1)
 29232  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 29233  		v.reset(OpCopy)
 29234  		v.AddArg(v0)
 29235  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 29236  		v1.AuxInt = j1
 29237  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 29238  		v2.AuxInt = i0
 29239  		v2.Aux = s
 29240  		v2.AddArg(p)
 29241  		v2.AddArg(idx)
 29242  		v2.AddArg(mem)
 29243  		v1.AddArg(v2)
 29244  		v0.AddArg(v1)
 29245  		v0.AddArg(y)
 29246  		return true
 29247  	}
 29248  	// match: (ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) or:(ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) y))
 29249  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 29250  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 29251  	for {
 29252  		s0 := v.Args[0]
 29253  		if s0.Op != OpS390XSLWconst {
 29254  			break
 29255  		}
 29256  		j0 := s0.AuxInt
 29257  		x0 := s0.Args[0]
 29258  		if x0.Op != OpS390XMOVBZloadidx {
 29259  			break
 29260  		}
 29261  		i0 := x0.AuxInt
 29262  		s := x0.Aux
 29263  		idx := x0.Args[0]
 29264  		p := x0.Args[1]
 29265  		mem := x0.Args[2]
 29266  		or := v.Args[1]
 29267  		if or.Op != OpS390XORW {
 29268  			break
 29269  		}
 29270  		s1 := or.Args[0]
 29271  		if s1.Op != OpS390XSLWconst {
 29272  			break
 29273  		}
 29274  		j1 := s1.AuxInt
 29275  		x1 := s1.Args[0]
 29276  		if x1.Op != OpS390XMOVBZloadidx {
 29277  			break
 29278  		}
 29279  		i1 := x1.AuxInt
 29280  		if x1.Aux != s {
 29281  			break
 29282  		}
 29283  		if idx != x1.Args[0] {
 29284  			break
 29285  		}
 29286  		if p != x1.Args[1] {
 29287  			break
 29288  		}
 29289  		if mem != x1.Args[2] {
 29290  			break
 29291  		}
 29292  		y := or.Args[1]
 29293  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 29294  			break
 29295  		}
 29296  		b = mergePoint(b, x0, x1)
 29297  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 29298  		v.reset(OpCopy)
 29299  		v.AddArg(v0)
 29300  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 29301  		v1.AuxInt = j1
 29302  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 29303  		v2.AuxInt = i0
 29304  		v2.Aux = s
 29305  		v2.AddArg(p)
 29306  		v2.AddArg(idx)
 29307  		v2.AddArg(mem)
 29308  		v1.AddArg(v2)
 29309  		v0.AddArg(v1)
 29310  		v0.AddArg(y)
 29311  		return true
 29312  	}
 29313  	// match: (ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) or:(ORW y s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem))))
 29314  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 29315  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 29316  	for {
 29317  		s0 := v.Args[0]
 29318  		if s0.Op != OpS390XSLWconst {
 29319  			break
 29320  		}
 29321  		j0 := s0.AuxInt
 29322  		x0 := s0.Args[0]
 29323  		if x0.Op != OpS390XMOVBZloadidx {
 29324  			break
 29325  		}
 29326  		i0 := x0.AuxInt
 29327  		s := x0.Aux
 29328  		p := x0.Args[0]
 29329  		idx := x0.Args[1]
 29330  		mem := x0.Args[2]
 29331  		or := v.Args[1]
 29332  		if or.Op != OpS390XORW {
 29333  			break
 29334  		}
 29335  		y := or.Args[0]
 29336  		s1 := or.Args[1]
 29337  		if s1.Op != OpS390XSLWconst {
 29338  			break
 29339  		}
 29340  		j1 := s1.AuxInt
 29341  		x1 := s1.Args[0]
 29342  		if x1.Op != OpS390XMOVBZloadidx {
 29343  			break
 29344  		}
 29345  		i1 := x1.AuxInt
 29346  		if x1.Aux != s {
 29347  			break
 29348  		}
 29349  		if p != x1.Args[0] {
 29350  			break
 29351  		}
 29352  		if idx != x1.Args[1] {
 29353  			break
 29354  		}
 29355  		if mem != x1.Args[2] {
 29356  			break
 29357  		}
 29358  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 29359  			break
 29360  		}
 29361  		b = mergePoint(b, x0, x1)
 29362  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 29363  		v.reset(OpCopy)
 29364  		v.AddArg(v0)
 29365  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 29366  		v1.AuxInt = j1
 29367  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 29368  		v2.AuxInt = i0
 29369  		v2.Aux = s
 29370  		v2.AddArg(p)
 29371  		v2.AddArg(idx)
 29372  		v2.AddArg(mem)
 29373  		v1.AddArg(v2)
 29374  		v0.AddArg(v1)
 29375  		v0.AddArg(y)
 29376  		return true
 29377  	}
 29378  	// match: (ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) or:(ORW y s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem))))
 29379  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 29380  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 29381  	for {
 29382  		s0 := v.Args[0]
 29383  		if s0.Op != OpS390XSLWconst {
 29384  			break
 29385  		}
 29386  		j0 := s0.AuxInt
 29387  		x0 := s0.Args[0]
 29388  		if x0.Op != OpS390XMOVBZloadidx {
 29389  			break
 29390  		}
 29391  		i0 := x0.AuxInt
 29392  		s := x0.Aux
 29393  		idx := x0.Args[0]
 29394  		p := x0.Args[1]
 29395  		mem := x0.Args[2]
 29396  		or := v.Args[1]
 29397  		if or.Op != OpS390XORW {
 29398  			break
 29399  		}
 29400  		y := or.Args[0]
 29401  		s1 := or.Args[1]
 29402  		if s1.Op != OpS390XSLWconst {
 29403  			break
 29404  		}
 29405  		j1 := s1.AuxInt
 29406  		x1 := s1.Args[0]
 29407  		if x1.Op != OpS390XMOVBZloadidx {
 29408  			break
 29409  		}
 29410  		i1 := x1.AuxInt
 29411  		if x1.Aux != s {
 29412  			break
 29413  		}
 29414  		if p != x1.Args[0] {
 29415  			break
 29416  		}
 29417  		if idx != x1.Args[1] {
 29418  			break
 29419  		}
 29420  		if mem != x1.Args[2] {
 29421  			break
 29422  		}
 29423  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 29424  			break
 29425  		}
 29426  		b = mergePoint(b, x0, x1)
 29427  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 29428  		v.reset(OpCopy)
 29429  		v.AddArg(v0)
 29430  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 29431  		v1.AuxInt = j1
 29432  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 29433  		v2.AuxInt = i0
 29434  		v2.Aux = s
 29435  		v2.AddArg(p)
 29436  		v2.AddArg(idx)
 29437  		v2.AddArg(mem)
 29438  		v1.AddArg(v2)
 29439  		v0.AddArg(v1)
 29440  		v0.AddArg(y)
 29441  		return true
 29442  	}
 29443  	// match: (ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) or:(ORW y s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem))))
 29444  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 29445  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 29446  	for {
 29447  		s0 := v.Args[0]
 29448  		if s0.Op != OpS390XSLWconst {
 29449  			break
 29450  		}
 29451  		j0 := s0.AuxInt
 29452  		x0 := s0.Args[0]
 29453  		if x0.Op != OpS390XMOVBZloadidx {
 29454  			break
 29455  		}
 29456  		i0 := x0.AuxInt
 29457  		s := x0.Aux
 29458  		p := x0.Args[0]
 29459  		idx := x0.Args[1]
 29460  		mem := x0.Args[2]
 29461  		or := v.Args[1]
 29462  		if or.Op != OpS390XORW {
 29463  			break
 29464  		}
 29465  		y := or.Args[0]
 29466  		s1 := or.Args[1]
 29467  		if s1.Op != OpS390XSLWconst {
 29468  			break
 29469  		}
 29470  		j1 := s1.AuxInt
 29471  		x1 := s1.Args[0]
 29472  		if x1.Op != OpS390XMOVBZloadidx {
 29473  			break
 29474  		}
 29475  		i1 := x1.AuxInt
 29476  		if x1.Aux != s {
 29477  			break
 29478  		}
 29479  		if idx != x1.Args[0] {
 29480  			break
 29481  		}
 29482  		if p != x1.Args[1] {
 29483  			break
 29484  		}
 29485  		if mem != x1.Args[2] {
 29486  			break
 29487  		}
 29488  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 29489  			break
 29490  		}
 29491  		b = mergePoint(b, x0, x1)
 29492  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 29493  		v.reset(OpCopy)
 29494  		v.AddArg(v0)
 29495  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 29496  		v1.AuxInt = j1
 29497  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 29498  		v2.AuxInt = i0
 29499  		v2.Aux = s
 29500  		v2.AddArg(p)
 29501  		v2.AddArg(idx)
 29502  		v2.AddArg(mem)
 29503  		v1.AddArg(v2)
 29504  		v0.AddArg(v1)
 29505  		v0.AddArg(y)
 29506  		return true
 29507  	}
 29508  	// match: (ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) or:(ORW y s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem))))
 29509  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 29510  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 29511  	for {
 29512  		s0 := v.Args[0]
 29513  		if s0.Op != OpS390XSLWconst {
 29514  			break
 29515  		}
 29516  		j0 := s0.AuxInt
 29517  		x0 := s0.Args[0]
 29518  		if x0.Op != OpS390XMOVBZloadidx {
 29519  			break
 29520  		}
 29521  		i0 := x0.AuxInt
 29522  		s := x0.Aux
 29523  		idx := x0.Args[0]
 29524  		p := x0.Args[1]
 29525  		mem := x0.Args[2]
 29526  		or := v.Args[1]
 29527  		if or.Op != OpS390XORW {
 29528  			break
 29529  		}
 29530  		y := or.Args[0]
 29531  		s1 := or.Args[1]
 29532  		if s1.Op != OpS390XSLWconst {
 29533  			break
 29534  		}
 29535  		j1 := s1.AuxInt
 29536  		x1 := s1.Args[0]
 29537  		if x1.Op != OpS390XMOVBZloadidx {
 29538  			break
 29539  		}
 29540  		i1 := x1.AuxInt
 29541  		if x1.Aux != s {
 29542  			break
 29543  		}
 29544  		if idx != x1.Args[0] {
 29545  			break
 29546  		}
 29547  		if p != x1.Args[1] {
 29548  			break
 29549  		}
 29550  		if mem != x1.Args[2] {
 29551  			break
 29552  		}
 29553  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 29554  			break
 29555  		}
 29556  		b = mergePoint(b, x0, x1)
 29557  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 29558  		v.reset(OpCopy)
 29559  		v.AddArg(v0)
 29560  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 29561  		v1.AuxInt = j1
 29562  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 29563  		v2.AuxInt = i0
 29564  		v2.Aux = s
 29565  		v2.AddArg(p)
 29566  		v2.AddArg(idx)
 29567  		v2.AddArg(mem)
 29568  		v1.AddArg(v2)
 29569  		v0.AddArg(v1)
 29570  		v0.AddArg(y)
 29571  		return true
 29572  	}
 29573  	// match: (ORW or:(ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) y) s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)))
 29574  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 29575  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 29576  	for {
 29577  		or := v.Args[0]
 29578  		if or.Op != OpS390XORW {
 29579  			break
 29580  		}
 29581  		s1 := or.Args[0]
 29582  		if s1.Op != OpS390XSLWconst {
 29583  			break
 29584  		}
 29585  		j1 := s1.AuxInt
 29586  		x1 := s1.Args[0]
 29587  		if x1.Op != OpS390XMOVBZloadidx {
 29588  			break
 29589  		}
 29590  		i1 := x1.AuxInt
 29591  		s := x1.Aux
 29592  		p := x1.Args[0]
 29593  		idx := x1.Args[1]
 29594  		mem := x1.Args[2]
 29595  		y := or.Args[1]
 29596  		s0 := v.Args[1]
 29597  		if s0.Op != OpS390XSLWconst {
 29598  			break
 29599  		}
 29600  		j0 := s0.AuxInt
 29601  		x0 := s0.Args[0]
 29602  		if x0.Op != OpS390XMOVBZloadidx {
 29603  			break
 29604  		}
 29605  		i0 := x0.AuxInt
 29606  		if x0.Aux != s {
 29607  			break
 29608  		}
 29609  		if p != x0.Args[0] {
 29610  			break
 29611  		}
 29612  		if idx != x0.Args[1] {
 29613  			break
 29614  		}
 29615  		if mem != x0.Args[2] {
 29616  			break
 29617  		}
 29618  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 29619  			break
 29620  		}
 29621  		b = mergePoint(b, x0, x1)
 29622  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 29623  		v.reset(OpCopy)
 29624  		v.AddArg(v0)
 29625  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 29626  		v1.AuxInt = j1
 29627  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 29628  		v2.AuxInt = i0
 29629  		v2.Aux = s
 29630  		v2.AddArg(p)
 29631  		v2.AddArg(idx)
 29632  		v2.AddArg(mem)
 29633  		v1.AddArg(v2)
 29634  		v0.AddArg(v1)
 29635  		v0.AddArg(y)
 29636  		return true
 29637  	}
 29638  	// match: (ORW or:(ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) y) s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)))
 29639  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 29640  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 29641  	for {
 29642  		or := v.Args[0]
 29643  		if or.Op != OpS390XORW {
 29644  			break
 29645  		}
 29646  		s1 := or.Args[0]
 29647  		if s1.Op != OpS390XSLWconst {
 29648  			break
 29649  		}
 29650  		j1 := s1.AuxInt
 29651  		x1 := s1.Args[0]
 29652  		if x1.Op != OpS390XMOVBZloadidx {
 29653  			break
 29654  		}
 29655  		i1 := x1.AuxInt
 29656  		s := x1.Aux
 29657  		idx := x1.Args[0]
 29658  		p := x1.Args[1]
 29659  		mem := x1.Args[2]
 29660  		y := or.Args[1]
 29661  		s0 := v.Args[1]
 29662  		if s0.Op != OpS390XSLWconst {
 29663  			break
 29664  		}
 29665  		j0 := s0.AuxInt
 29666  		x0 := s0.Args[0]
 29667  		if x0.Op != OpS390XMOVBZloadidx {
 29668  			break
 29669  		}
 29670  		i0 := x0.AuxInt
 29671  		if x0.Aux != s {
 29672  			break
 29673  		}
 29674  		if p != x0.Args[0] {
 29675  			break
 29676  		}
 29677  		if idx != x0.Args[1] {
 29678  			break
 29679  		}
 29680  		if mem != x0.Args[2] {
 29681  			break
 29682  		}
 29683  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 29684  			break
 29685  		}
 29686  		b = mergePoint(b, x0, x1)
 29687  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 29688  		v.reset(OpCopy)
 29689  		v.AddArg(v0)
 29690  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 29691  		v1.AuxInt = j1
 29692  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 29693  		v2.AuxInt = i0
 29694  		v2.Aux = s
 29695  		v2.AddArg(p)
 29696  		v2.AddArg(idx)
 29697  		v2.AddArg(mem)
 29698  		v1.AddArg(v2)
 29699  		v0.AddArg(v1)
 29700  		v0.AddArg(y)
 29701  		return true
 29702  	}
 29703  	// match: (ORW or:(ORW y s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem))) s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)))
 29704  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 29705  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 29706  	for {
 29707  		or := v.Args[0]
 29708  		if or.Op != OpS390XORW {
 29709  			break
 29710  		}
 29711  		y := or.Args[0]
 29712  		s1 := or.Args[1]
 29713  		if s1.Op != OpS390XSLWconst {
 29714  			break
 29715  		}
 29716  		j1 := s1.AuxInt
 29717  		x1 := s1.Args[0]
 29718  		if x1.Op != OpS390XMOVBZloadidx {
 29719  			break
 29720  		}
 29721  		i1 := x1.AuxInt
 29722  		s := x1.Aux
 29723  		p := x1.Args[0]
 29724  		idx := x1.Args[1]
 29725  		mem := x1.Args[2]
 29726  		s0 := v.Args[1]
 29727  		if s0.Op != OpS390XSLWconst {
 29728  			break
 29729  		}
 29730  		j0 := s0.AuxInt
 29731  		x0 := s0.Args[0]
 29732  		if x0.Op != OpS390XMOVBZloadidx {
 29733  			break
 29734  		}
 29735  		i0 := x0.AuxInt
 29736  		if x0.Aux != s {
 29737  			break
 29738  		}
 29739  		if p != x0.Args[0] {
 29740  			break
 29741  		}
 29742  		if idx != x0.Args[1] {
 29743  			break
 29744  		}
 29745  		if mem != x0.Args[2] {
 29746  			break
 29747  		}
 29748  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 29749  			break
 29750  		}
 29751  		b = mergePoint(b, x0, x1)
 29752  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 29753  		v.reset(OpCopy)
 29754  		v.AddArg(v0)
 29755  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 29756  		v1.AuxInt = j1
 29757  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 29758  		v2.AuxInt = i0
 29759  		v2.Aux = s
 29760  		v2.AddArg(p)
 29761  		v2.AddArg(idx)
 29762  		v2.AddArg(mem)
 29763  		v1.AddArg(v2)
 29764  		v0.AddArg(v1)
 29765  		v0.AddArg(y)
 29766  		return true
 29767  	}
 29768  	// match: (ORW or:(ORW y s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem))) s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)))
 29769  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 29770  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 29771  	for {
 29772  		or := v.Args[0]
 29773  		if or.Op != OpS390XORW {
 29774  			break
 29775  		}
 29776  		y := or.Args[0]
 29777  		s1 := or.Args[1]
 29778  		if s1.Op != OpS390XSLWconst {
 29779  			break
 29780  		}
 29781  		j1 := s1.AuxInt
 29782  		x1 := s1.Args[0]
 29783  		if x1.Op != OpS390XMOVBZloadidx {
 29784  			break
 29785  		}
 29786  		i1 := x1.AuxInt
 29787  		s := x1.Aux
 29788  		idx := x1.Args[0]
 29789  		p := x1.Args[1]
 29790  		mem := x1.Args[2]
 29791  		s0 := v.Args[1]
 29792  		if s0.Op != OpS390XSLWconst {
 29793  			break
 29794  		}
 29795  		j0 := s0.AuxInt
 29796  		x0 := s0.Args[0]
 29797  		if x0.Op != OpS390XMOVBZloadidx {
 29798  			break
 29799  		}
 29800  		i0 := x0.AuxInt
 29801  		if x0.Aux != s {
 29802  			break
 29803  		}
 29804  		if p != x0.Args[0] {
 29805  			break
 29806  		}
 29807  		if idx != x0.Args[1] {
 29808  			break
 29809  		}
 29810  		if mem != x0.Args[2] {
 29811  			break
 29812  		}
 29813  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 29814  			break
 29815  		}
 29816  		b = mergePoint(b, x0, x1)
 29817  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 29818  		v.reset(OpCopy)
 29819  		v.AddArg(v0)
 29820  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 29821  		v1.AuxInt = j1
 29822  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 29823  		v2.AuxInt = i0
 29824  		v2.Aux = s
 29825  		v2.AddArg(p)
 29826  		v2.AddArg(idx)
 29827  		v2.AddArg(mem)
 29828  		v1.AddArg(v2)
 29829  		v0.AddArg(v1)
 29830  		v0.AddArg(y)
 29831  		return true
 29832  	}
 29833  	// match: (ORW or:(ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) y) s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)))
 29834  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 29835  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 29836  	for {
 29837  		or := v.Args[0]
 29838  		if or.Op != OpS390XORW {
 29839  			break
 29840  		}
 29841  		s1 := or.Args[0]
 29842  		if s1.Op != OpS390XSLWconst {
 29843  			break
 29844  		}
 29845  		j1 := s1.AuxInt
 29846  		x1 := s1.Args[0]
 29847  		if x1.Op != OpS390XMOVBZloadidx {
 29848  			break
 29849  		}
 29850  		i1 := x1.AuxInt
 29851  		s := x1.Aux
 29852  		p := x1.Args[0]
 29853  		idx := x1.Args[1]
 29854  		mem := x1.Args[2]
 29855  		y := or.Args[1]
 29856  		s0 := v.Args[1]
 29857  		if s0.Op != OpS390XSLWconst {
 29858  			break
 29859  		}
 29860  		j0 := s0.AuxInt
 29861  		x0 := s0.Args[0]
 29862  		if x0.Op != OpS390XMOVBZloadidx {
 29863  			break
 29864  		}
 29865  		i0 := x0.AuxInt
 29866  		if x0.Aux != s {
 29867  			break
 29868  		}
 29869  		if idx != x0.Args[0] {
 29870  			break
 29871  		}
 29872  		if p != x0.Args[1] {
 29873  			break
 29874  		}
 29875  		if mem != x0.Args[2] {
 29876  			break
 29877  		}
 29878  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 29879  			break
 29880  		}
 29881  		b = mergePoint(b, x0, x1)
 29882  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 29883  		v.reset(OpCopy)
 29884  		v.AddArg(v0)
 29885  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 29886  		v1.AuxInt = j1
 29887  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 29888  		v2.AuxInt = i0
 29889  		v2.Aux = s
 29890  		v2.AddArg(p)
 29891  		v2.AddArg(idx)
 29892  		v2.AddArg(mem)
 29893  		v1.AddArg(v2)
 29894  		v0.AddArg(v1)
 29895  		v0.AddArg(y)
 29896  		return true
 29897  	}
 29898  	// match: (ORW or:(ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) y) s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)))
 29899  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 29900  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 29901  	for {
 29902  		or := v.Args[0]
 29903  		if or.Op != OpS390XORW {
 29904  			break
 29905  		}
 29906  		s1 := or.Args[0]
 29907  		if s1.Op != OpS390XSLWconst {
 29908  			break
 29909  		}
 29910  		j1 := s1.AuxInt
 29911  		x1 := s1.Args[0]
 29912  		if x1.Op != OpS390XMOVBZloadidx {
 29913  			break
 29914  		}
 29915  		i1 := x1.AuxInt
 29916  		s := x1.Aux
 29917  		idx := x1.Args[0]
 29918  		p := x1.Args[1]
 29919  		mem := x1.Args[2]
 29920  		y := or.Args[1]
 29921  		s0 := v.Args[1]
 29922  		if s0.Op != OpS390XSLWconst {
 29923  			break
 29924  		}
 29925  		j0 := s0.AuxInt
 29926  		x0 := s0.Args[0]
 29927  		if x0.Op != OpS390XMOVBZloadidx {
 29928  			break
 29929  		}
 29930  		i0 := x0.AuxInt
 29931  		if x0.Aux != s {
 29932  			break
 29933  		}
 29934  		if idx != x0.Args[0] {
 29935  			break
 29936  		}
 29937  		if p != x0.Args[1] {
 29938  			break
 29939  		}
 29940  		if mem != x0.Args[2] {
 29941  			break
 29942  		}
 29943  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 29944  			break
 29945  		}
 29946  		b = mergePoint(b, x0, x1)
 29947  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 29948  		v.reset(OpCopy)
 29949  		v.AddArg(v0)
 29950  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 29951  		v1.AuxInt = j1
 29952  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 29953  		v2.AuxInt = i0
 29954  		v2.Aux = s
 29955  		v2.AddArg(p)
 29956  		v2.AddArg(idx)
 29957  		v2.AddArg(mem)
 29958  		v1.AddArg(v2)
 29959  		v0.AddArg(v1)
 29960  		v0.AddArg(y)
 29961  		return true
 29962  	}
 29963  	// match: (ORW or:(ORW y s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem))) s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)))
 29964  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 29965  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 29966  	for {
 29967  		or := v.Args[0]
 29968  		if or.Op != OpS390XORW {
 29969  			break
 29970  		}
 29971  		y := or.Args[0]
 29972  		s1 := or.Args[1]
 29973  		if s1.Op != OpS390XSLWconst {
 29974  			break
 29975  		}
 29976  		j1 := s1.AuxInt
 29977  		x1 := s1.Args[0]
 29978  		if x1.Op != OpS390XMOVBZloadidx {
 29979  			break
 29980  		}
 29981  		i1 := x1.AuxInt
 29982  		s := x1.Aux
 29983  		p := x1.Args[0]
 29984  		idx := x1.Args[1]
 29985  		mem := x1.Args[2]
 29986  		s0 := v.Args[1]
 29987  		if s0.Op != OpS390XSLWconst {
 29988  			break
 29989  		}
 29990  		j0 := s0.AuxInt
 29991  		x0 := s0.Args[0]
 29992  		if x0.Op != OpS390XMOVBZloadidx {
 29993  			break
 29994  		}
 29995  		i0 := x0.AuxInt
 29996  		if x0.Aux != s {
 29997  			break
 29998  		}
 29999  		if idx != x0.Args[0] {
 30000  			break
 30001  		}
 30002  		if p != x0.Args[1] {
 30003  			break
 30004  		}
 30005  		if mem != x0.Args[2] {
 30006  			break
 30007  		}
 30008  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 30009  			break
 30010  		}
 30011  		b = mergePoint(b, x0, x1)
 30012  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 30013  		v.reset(OpCopy)
 30014  		v.AddArg(v0)
 30015  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 30016  		v1.AuxInt = j1
 30017  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 30018  		v2.AuxInt = i0
 30019  		v2.Aux = s
 30020  		v2.AddArg(p)
 30021  		v2.AddArg(idx)
 30022  		v2.AddArg(mem)
 30023  		v1.AddArg(v2)
 30024  		v0.AddArg(v1)
 30025  		v0.AddArg(y)
 30026  		return true
 30027  	}
 30028  	// match: (ORW or:(ORW y s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem))) s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)))
 30029  	// cond: i1 == i0+1   && j1 == j0-8   && j1 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 30030  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 30031  	for {
 30032  		or := v.Args[0]
 30033  		if or.Op != OpS390XORW {
 30034  			break
 30035  		}
 30036  		y := or.Args[0]
 30037  		s1 := or.Args[1]
 30038  		if s1.Op != OpS390XSLWconst {
 30039  			break
 30040  		}
 30041  		j1 := s1.AuxInt
 30042  		x1 := s1.Args[0]
 30043  		if x1.Op != OpS390XMOVBZloadidx {
 30044  			break
 30045  		}
 30046  		i1 := x1.AuxInt
 30047  		s := x1.Aux
 30048  		idx := x1.Args[0]
 30049  		p := x1.Args[1]
 30050  		mem := x1.Args[2]
 30051  		s0 := v.Args[1]
 30052  		if s0.Op != OpS390XSLWconst {
 30053  			break
 30054  		}
 30055  		j0 := s0.AuxInt
 30056  		x0 := s0.Args[0]
 30057  		if x0.Op != OpS390XMOVBZloadidx {
 30058  			break
 30059  		}
 30060  		i0 := x0.AuxInt
 30061  		if x0.Aux != s {
 30062  			break
 30063  		}
 30064  		if idx != x0.Args[0] {
 30065  			break
 30066  		}
 30067  		if p != x0.Args[1] {
 30068  			break
 30069  		}
 30070  		if mem != x0.Args[2] {
 30071  			break
 30072  		}
 30073  		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 30074  			break
 30075  		}
 30076  		b = mergePoint(b, x0, x1)
 30077  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 30078  		v.reset(OpCopy)
 30079  		v.AddArg(v0)
 30080  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 30081  		v1.AuxInt = j1
 30082  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, types.UInt16)
 30083  		v2.AuxInt = i0
 30084  		v2.Aux = s
 30085  		v2.AddArg(p)
 30086  		v2.AddArg(idx)
 30087  		v2.AddArg(mem)
 30088  		v1.AddArg(v2)
 30089  		v0.AddArg(v1)
 30090  		v0.AddArg(y)
 30091  		return true
 30092  	}
 30093  	// match: (ORW x0:(MOVBZload [i0] {s} p mem) sh:(SLWconst [8] x1:(MOVBZload [i1] {s} p mem)))
 30094  	// cond: p.Op != OpSB   && i1 == i0+1   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 30095  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRload [i0] {s} p mem))
 30096  	for {
 30097  		x0 := v.Args[0]
 30098  		if x0.Op != OpS390XMOVBZload {
 30099  			break
 30100  		}
 30101  		i0 := x0.AuxInt
 30102  		s := x0.Aux
 30103  		p := x0.Args[0]
 30104  		mem := x0.Args[1]
 30105  		sh := v.Args[1]
 30106  		if sh.Op != OpS390XSLWconst {
 30107  			break
 30108  		}
 30109  		if sh.AuxInt != 8 {
 30110  			break
 30111  		}
 30112  		x1 := sh.Args[0]
 30113  		if x1.Op != OpS390XMOVBZload {
 30114  			break
 30115  		}
 30116  		i1 := x1.AuxInt
 30117  		if x1.Aux != s {
 30118  			break
 30119  		}
 30120  		if p != x1.Args[0] {
 30121  			break
 30122  		}
 30123  		if mem != x1.Args[1] {
 30124  			break
 30125  		}
 30126  		if !(p.Op != OpSB && i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 30127  			break
 30128  		}
 30129  		b = mergePoint(b, x0, x1)
 30130  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 30131  		v.reset(OpCopy)
 30132  		v.AddArg(v0)
 30133  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRload, types.UInt16)
 30134  		v1.AuxInt = i0
 30135  		v1.Aux = s
 30136  		v1.AddArg(p)
 30137  		v1.AddArg(mem)
 30138  		v0.AddArg(v1)
 30139  		return true
 30140  	}
 30141  	// match: (ORW sh:(SLWconst [8] x1:(MOVBZload [i1] {s} p mem)) x0:(MOVBZload [i0] {s} p mem))
 30142  	// cond: p.Op != OpSB   && i1 == i0+1   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 30143  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRload [i0] {s} p mem))
 30144  	for {
 30145  		sh := v.Args[0]
 30146  		if sh.Op != OpS390XSLWconst {
 30147  			break
 30148  		}
 30149  		if sh.AuxInt != 8 {
 30150  			break
 30151  		}
 30152  		x1 := sh.Args[0]
 30153  		if x1.Op != OpS390XMOVBZload {
 30154  			break
 30155  		}
 30156  		i1 := x1.AuxInt
 30157  		s := x1.Aux
 30158  		p := x1.Args[0]
 30159  		mem := x1.Args[1]
 30160  		x0 := v.Args[1]
 30161  		if x0.Op != OpS390XMOVBZload {
 30162  			break
 30163  		}
 30164  		i0 := x0.AuxInt
 30165  		if x0.Aux != s {
 30166  			break
 30167  		}
 30168  		if p != x0.Args[0] {
 30169  			break
 30170  		}
 30171  		if mem != x0.Args[1] {
 30172  			break
 30173  		}
 30174  		if !(p.Op != OpSB && i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 30175  			break
 30176  		}
 30177  		b = mergePoint(b, x0, x1)
 30178  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 30179  		v.reset(OpCopy)
 30180  		v.AddArg(v0)
 30181  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRload, types.UInt16)
 30182  		v1.AuxInt = i0
 30183  		v1.Aux = s
 30184  		v1.AddArg(p)
 30185  		v1.AddArg(mem)
 30186  		v0.AddArg(v1)
 30187  		return true
 30188  	}
 30189  	// match: (ORW r0:(MOVHZreg x0:(MOVHBRload [i0] {s} p mem)) sh:(SLWconst [16] r1:(MOVHZreg x1:(MOVHBRload [i1] {s} p mem))))
 30190  	// cond: i1 == i0+2   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 30191  	// result: @mergePoint(b,x0,x1) (MOVWBRload [i0] {s} p mem)
 30192  	for {
 30193  		r0 := v.Args[0]
 30194  		if r0.Op != OpS390XMOVHZreg {
 30195  			break
 30196  		}
 30197  		x0 := r0.Args[0]
 30198  		if x0.Op != OpS390XMOVHBRload {
 30199  			break
 30200  		}
 30201  		i0 := x0.AuxInt
 30202  		s := x0.Aux
 30203  		p := x0.Args[0]
 30204  		mem := x0.Args[1]
 30205  		sh := v.Args[1]
 30206  		if sh.Op != OpS390XSLWconst {
 30207  			break
 30208  		}
 30209  		if sh.AuxInt != 16 {
 30210  			break
 30211  		}
 30212  		r1 := sh.Args[0]
 30213  		if r1.Op != OpS390XMOVHZreg {
 30214  			break
 30215  		}
 30216  		x1 := r1.Args[0]
 30217  		if x1.Op != OpS390XMOVHBRload {
 30218  			break
 30219  		}
 30220  		i1 := x1.AuxInt
 30221  		if x1.Aux != s {
 30222  			break
 30223  		}
 30224  		if p != x1.Args[0] {
 30225  			break
 30226  		}
 30227  		if mem != x1.Args[1] {
 30228  			break
 30229  		}
 30230  		if !(i1 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 30231  			break
 30232  		}
 30233  		b = mergePoint(b, x0, x1)
 30234  		v0 := b.NewValue0(v.Pos, OpS390XMOVWBRload, types.UInt32)
 30235  		v.reset(OpCopy)
 30236  		v.AddArg(v0)
 30237  		v0.AuxInt = i0
 30238  		v0.Aux = s
 30239  		v0.AddArg(p)
 30240  		v0.AddArg(mem)
 30241  		return true
 30242  	}
 30243  	// match: (ORW sh:(SLWconst [16] r1:(MOVHZreg x1:(MOVHBRload [i1] {s} p mem))) r0:(MOVHZreg x0:(MOVHBRload [i0] {s} p mem)))
 30244  	// cond: i1 == i0+2   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 30245  	// result: @mergePoint(b,x0,x1) (MOVWBRload [i0] {s} p mem)
 30246  	for {
 30247  		sh := v.Args[0]
 30248  		if sh.Op != OpS390XSLWconst {
 30249  			break
 30250  		}
 30251  		if sh.AuxInt != 16 {
 30252  			break
 30253  		}
 30254  		r1 := sh.Args[0]
 30255  		if r1.Op != OpS390XMOVHZreg {
 30256  			break
 30257  		}
 30258  		x1 := r1.Args[0]
 30259  		if x1.Op != OpS390XMOVHBRload {
 30260  			break
 30261  		}
 30262  		i1 := x1.AuxInt
 30263  		s := x1.Aux
 30264  		p := x1.Args[0]
 30265  		mem := x1.Args[1]
 30266  		r0 := v.Args[1]
 30267  		if r0.Op != OpS390XMOVHZreg {
 30268  			break
 30269  		}
 30270  		x0 := r0.Args[0]
 30271  		if x0.Op != OpS390XMOVHBRload {
 30272  			break
 30273  		}
 30274  		i0 := x0.AuxInt
 30275  		if x0.Aux != s {
 30276  			break
 30277  		}
 30278  		if p != x0.Args[0] {
 30279  			break
 30280  		}
 30281  		if mem != x0.Args[1] {
 30282  			break
 30283  		}
 30284  		if !(i1 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 30285  			break
 30286  		}
 30287  		b = mergePoint(b, x0, x1)
 30288  		v0 := b.NewValue0(v.Pos, OpS390XMOVWBRload, types.UInt32)
 30289  		v.reset(OpCopy)
 30290  		v.AddArg(v0)
 30291  		v0.AuxInt = i0
 30292  		v0.Aux = s
 30293  		v0.AddArg(p)
 30294  		v0.AddArg(mem)
 30295  		return true
 30296  	}
 30297  	// match: (ORW s1:(SLWconst [j1] x1:(MOVBZload [i1] {s} p mem)) or:(ORW s0:(SLWconst [j0] x0:(MOVBZload [i0] {s} p mem)) y))
 30298  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 30299  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
 30300  	for {
 30301  		s1 := v.Args[0]
 30302  		if s1.Op != OpS390XSLWconst {
 30303  			break
 30304  		}
 30305  		j1 := s1.AuxInt
 30306  		x1 := s1.Args[0]
 30307  		if x1.Op != OpS390XMOVBZload {
 30308  			break
 30309  		}
 30310  		i1 := x1.AuxInt
 30311  		s := x1.Aux
 30312  		p := x1.Args[0]
 30313  		mem := x1.Args[1]
 30314  		or := v.Args[1]
 30315  		if or.Op != OpS390XORW {
 30316  			break
 30317  		}
 30318  		s0 := or.Args[0]
 30319  		if s0.Op != OpS390XSLWconst {
 30320  			break
 30321  		}
 30322  		j0 := s0.AuxInt
 30323  		x0 := s0.Args[0]
 30324  		if x0.Op != OpS390XMOVBZload {
 30325  			break
 30326  		}
 30327  		i0 := x0.AuxInt
 30328  		if x0.Aux != s {
 30329  			break
 30330  		}
 30331  		if p != x0.Args[0] {
 30332  			break
 30333  		}
 30334  		if mem != x0.Args[1] {
 30335  			break
 30336  		}
 30337  		y := or.Args[1]
 30338  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 30339  			break
 30340  		}
 30341  		b = mergePoint(b, x0, x1)
 30342  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 30343  		v.reset(OpCopy)
 30344  		v.AddArg(v0)
 30345  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 30346  		v1.AuxInt = j0
 30347  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 30348  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRload, types.UInt16)
 30349  		v3.AuxInt = i0
 30350  		v3.Aux = s
 30351  		v3.AddArg(p)
 30352  		v3.AddArg(mem)
 30353  		v2.AddArg(v3)
 30354  		v1.AddArg(v2)
 30355  		v0.AddArg(v1)
 30356  		v0.AddArg(y)
 30357  		return true
 30358  	}
 30359  	// match: (ORW s1:(SLWconst [j1] x1:(MOVBZload [i1] {s} p mem)) or:(ORW y s0:(SLWconst [j0] x0:(MOVBZload [i0] {s} p mem))))
 30360  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 30361  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
 30362  	for {
 30363  		s1 := v.Args[0]
 30364  		if s1.Op != OpS390XSLWconst {
 30365  			break
 30366  		}
 30367  		j1 := s1.AuxInt
 30368  		x1 := s1.Args[0]
 30369  		if x1.Op != OpS390XMOVBZload {
 30370  			break
 30371  		}
 30372  		i1 := x1.AuxInt
 30373  		s := x1.Aux
 30374  		p := x1.Args[0]
 30375  		mem := x1.Args[1]
 30376  		or := v.Args[1]
 30377  		if or.Op != OpS390XORW {
 30378  			break
 30379  		}
 30380  		y := or.Args[0]
 30381  		s0 := or.Args[1]
 30382  		if s0.Op != OpS390XSLWconst {
 30383  			break
 30384  		}
 30385  		j0 := s0.AuxInt
 30386  		x0 := s0.Args[0]
 30387  		if x0.Op != OpS390XMOVBZload {
 30388  			break
 30389  		}
 30390  		i0 := x0.AuxInt
 30391  		if x0.Aux != s {
 30392  			break
 30393  		}
 30394  		if p != x0.Args[0] {
 30395  			break
 30396  		}
 30397  		if mem != x0.Args[1] {
 30398  			break
 30399  		}
 30400  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 30401  			break
 30402  		}
 30403  		b = mergePoint(b, x0, x1)
 30404  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 30405  		v.reset(OpCopy)
 30406  		v.AddArg(v0)
 30407  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 30408  		v1.AuxInt = j0
 30409  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 30410  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRload, types.UInt16)
 30411  		v3.AuxInt = i0
 30412  		v3.Aux = s
 30413  		v3.AddArg(p)
 30414  		v3.AddArg(mem)
 30415  		v2.AddArg(v3)
 30416  		v1.AddArg(v2)
 30417  		v0.AddArg(v1)
 30418  		v0.AddArg(y)
 30419  		return true
 30420  	}
 30421  	// match: (ORW or:(ORW s0:(SLWconst [j0] x0:(MOVBZload [i0] {s} p mem)) y) s1:(SLWconst [j1] x1:(MOVBZload [i1] {s} p mem)))
 30422  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 30423  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
 30424  	for {
 30425  		or := v.Args[0]
 30426  		if or.Op != OpS390XORW {
 30427  			break
 30428  		}
 30429  		s0 := or.Args[0]
 30430  		if s0.Op != OpS390XSLWconst {
 30431  			break
 30432  		}
 30433  		j0 := s0.AuxInt
 30434  		x0 := s0.Args[0]
 30435  		if x0.Op != OpS390XMOVBZload {
 30436  			break
 30437  		}
 30438  		i0 := x0.AuxInt
 30439  		s := x0.Aux
 30440  		p := x0.Args[0]
 30441  		mem := x0.Args[1]
 30442  		y := or.Args[1]
 30443  		s1 := v.Args[1]
 30444  		if s1.Op != OpS390XSLWconst {
 30445  			break
 30446  		}
 30447  		j1 := s1.AuxInt
 30448  		x1 := s1.Args[0]
 30449  		if x1.Op != OpS390XMOVBZload {
 30450  			break
 30451  		}
 30452  		i1 := x1.AuxInt
 30453  		if x1.Aux != s {
 30454  			break
 30455  		}
 30456  		if p != x1.Args[0] {
 30457  			break
 30458  		}
 30459  		if mem != x1.Args[1] {
 30460  			break
 30461  		}
 30462  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 30463  			break
 30464  		}
 30465  		b = mergePoint(b, x0, x1)
 30466  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 30467  		v.reset(OpCopy)
 30468  		v.AddArg(v0)
 30469  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 30470  		v1.AuxInt = j0
 30471  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 30472  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRload, types.UInt16)
 30473  		v3.AuxInt = i0
 30474  		v3.Aux = s
 30475  		v3.AddArg(p)
 30476  		v3.AddArg(mem)
 30477  		v2.AddArg(v3)
 30478  		v1.AddArg(v2)
 30479  		v0.AddArg(v1)
 30480  		v0.AddArg(y)
 30481  		return true
 30482  	}
 30483  	// match: (ORW or:(ORW y s0:(SLWconst [j0] x0:(MOVBZload [i0] {s} p mem))) s1:(SLWconst [j1] x1:(MOVBZload [i1] {s} p mem)))
 30484  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 30485  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
 30486  	for {
 30487  		or := v.Args[0]
 30488  		if or.Op != OpS390XORW {
 30489  			break
 30490  		}
 30491  		y := or.Args[0]
 30492  		s0 := or.Args[1]
 30493  		if s0.Op != OpS390XSLWconst {
 30494  			break
 30495  		}
 30496  		j0 := s0.AuxInt
 30497  		x0 := s0.Args[0]
 30498  		if x0.Op != OpS390XMOVBZload {
 30499  			break
 30500  		}
 30501  		i0 := x0.AuxInt
 30502  		s := x0.Aux
 30503  		p := x0.Args[0]
 30504  		mem := x0.Args[1]
 30505  		s1 := v.Args[1]
 30506  		if s1.Op != OpS390XSLWconst {
 30507  			break
 30508  		}
 30509  		j1 := s1.AuxInt
 30510  		x1 := s1.Args[0]
 30511  		if x1.Op != OpS390XMOVBZload {
 30512  			break
 30513  		}
 30514  		i1 := x1.AuxInt
 30515  		if x1.Aux != s {
 30516  			break
 30517  		}
 30518  		if p != x1.Args[0] {
 30519  			break
 30520  		}
 30521  		if mem != x1.Args[1] {
 30522  			break
 30523  		}
 30524  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 30525  			break
 30526  		}
 30527  		b = mergePoint(b, x0, x1)
 30528  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 30529  		v.reset(OpCopy)
 30530  		v.AddArg(v0)
 30531  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 30532  		v1.AuxInt = j0
 30533  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 30534  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRload, types.UInt16)
 30535  		v3.AuxInt = i0
 30536  		v3.Aux = s
 30537  		v3.AddArg(p)
 30538  		v3.AddArg(mem)
 30539  		v2.AddArg(v3)
 30540  		v1.AddArg(v2)
 30541  		v0.AddArg(v1)
 30542  		v0.AddArg(y)
 30543  		return true
 30544  	}
 30545  	// match: (ORW x0:(MOVBZloadidx [i0] {s} p idx mem) sh:(SLWconst [8] x1:(MOVBZloadidx [i1] {s} p idx mem)))
 30546  	// cond: p.Op != OpSB   && i1 == i0+1   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 30547  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))
 30548  	for {
 30549  		x0 := v.Args[0]
 30550  		if x0.Op != OpS390XMOVBZloadidx {
 30551  			break
 30552  		}
 30553  		i0 := x0.AuxInt
 30554  		s := x0.Aux
 30555  		p := x0.Args[0]
 30556  		idx := x0.Args[1]
 30557  		mem := x0.Args[2]
 30558  		sh := v.Args[1]
 30559  		if sh.Op != OpS390XSLWconst {
 30560  			break
 30561  		}
 30562  		if sh.AuxInt != 8 {
 30563  			break
 30564  		}
 30565  		x1 := sh.Args[0]
 30566  		if x1.Op != OpS390XMOVBZloadidx {
 30567  			break
 30568  		}
 30569  		i1 := x1.AuxInt
 30570  		if x1.Aux != s {
 30571  			break
 30572  		}
 30573  		if p != x1.Args[0] {
 30574  			break
 30575  		}
 30576  		if idx != x1.Args[1] {
 30577  			break
 30578  		}
 30579  		if mem != x1.Args[2] {
 30580  			break
 30581  		}
 30582  		if !(p.Op != OpSB && i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 30583  			break
 30584  		}
 30585  		b = mergePoint(b, x0, x1)
 30586  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 30587  		v.reset(OpCopy)
 30588  		v.AddArg(v0)
 30589  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 30590  		v1.AuxInt = i0
 30591  		v1.Aux = s
 30592  		v1.AddArg(p)
 30593  		v1.AddArg(idx)
 30594  		v1.AddArg(mem)
 30595  		v0.AddArg(v1)
 30596  		return true
 30597  	}
 30598  	// match: (ORW x0:(MOVBZloadidx [i0] {s} idx p mem) sh:(SLWconst [8] x1:(MOVBZloadidx [i1] {s} p idx mem)))
 30599  	// cond: p.Op != OpSB   && i1 == i0+1   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 30600  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))
 30601  	for {
 30602  		x0 := v.Args[0]
 30603  		if x0.Op != OpS390XMOVBZloadidx {
 30604  			break
 30605  		}
 30606  		i0 := x0.AuxInt
 30607  		s := x0.Aux
 30608  		idx := x0.Args[0]
 30609  		p := x0.Args[1]
 30610  		mem := x0.Args[2]
 30611  		sh := v.Args[1]
 30612  		if sh.Op != OpS390XSLWconst {
 30613  			break
 30614  		}
 30615  		if sh.AuxInt != 8 {
 30616  			break
 30617  		}
 30618  		x1 := sh.Args[0]
 30619  		if x1.Op != OpS390XMOVBZloadidx {
 30620  			break
 30621  		}
 30622  		i1 := x1.AuxInt
 30623  		if x1.Aux != s {
 30624  			break
 30625  		}
 30626  		if p != x1.Args[0] {
 30627  			break
 30628  		}
 30629  		if idx != x1.Args[1] {
 30630  			break
 30631  		}
 30632  		if mem != x1.Args[2] {
 30633  			break
 30634  		}
 30635  		if !(p.Op != OpSB && i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 30636  			break
 30637  		}
 30638  		b = mergePoint(b, x0, x1)
 30639  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 30640  		v.reset(OpCopy)
 30641  		v.AddArg(v0)
 30642  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 30643  		v1.AuxInt = i0
 30644  		v1.Aux = s
 30645  		v1.AddArg(p)
 30646  		v1.AddArg(idx)
 30647  		v1.AddArg(mem)
 30648  		v0.AddArg(v1)
 30649  		return true
 30650  	}
 30651  	// match: (ORW x0:(MOVBZloadidx [i0] {s} p idx mem) sh:(SLWconst [8] x1:(MOVBZloadidx [i1] {s} idx p mem)))
 30652  	// cond: p.Op != OpSB   && i1 == i0+1   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 30653  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))
 30654  	for {
 30655  		x0 := v.Args[0]
 30656  		if x0.Op != OpS390XMOVBZloadidx {
 30657  			break
 30658  		}
 30659  		i0 := x0.AuxInt
 30660  		s := x0.Aux
 30661  		p := x0.Args[0]
 30662  		idx := x0.Args[1]
 30663  		mem := x0.Args[2]
 30664  		sh := v.Args[1]
 30665  		if sh.Op != OpS390XSLWconst {
 30666  			break
 30667  		}
 30668  		if sh.AuxInt != 8 {
 30669  			break
 30670  		}
 30671  		x1 := sh.Args[0]
 30672  		if x1.Op != OpS390XMOVBZloadidx {
 30673  			break
 30674  		}
 30675  		i1 := x1.AuxInt
 30676  		if x1.Aux != s {
 30677  			break
 30678  		}
 30679  		if idx != x1.Args[0] {
 30680  			break
 30681  		}
 30682  		if p != x1.Args[1] {
 30683  			break
 30684  		}
 30685  		if mem != x1.Args[2] {
 30686  			break
 30687  		}
 30688  		if !(p.Op != OpSB && i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 30689  			break
 30690  		}
 30691  		b = mergePoint(b, x0, x1)
 30692  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 30693  		v.reset(OpCopy)
 30694  		v.AddArg(v0)
 30695  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 30696  		v1.AuxInt = i0
 30697  		v1.Aux = s
 30698  		v1.AddArg(p)
 30699  		v1.AddArg(idx)
 30700  		v1.AddArg(mem)
 30701  		v0.AddArg(v1)
 30702  		return true
 30703  	}
 30704  	// match: (ORW x0:(MOVBZloadidx [i0] {s} idx p mem) sh:(SLWconst [8] x1:(MOVBZloadidx [i1] {s} idx p mem)))
 30705  	// cond: p.Op != OpSB   && i1 == i0+1   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 30706  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))
 30707  	for {
 30708  		x0 := v.Args[0]
 30709  		if x0.Op != OpS390XMOVBZloadidx {
 30710  			break
 30711  		}
 30712  		i0 := x0.AuxInt
 30713  		s := x0.Aux
 30714  		idx := x0.Args[0]
 30715  		p := x0.Args[1]
 30716  		mem := x0.Args[2]
 30717  		sh := v.Args[1]
 30718  		if sh.Op != OpS390XSLWconst {
 30719  			break
 30720  		}
 30721  		if sh.AuxInt != 8 {
 30722  			break
 30723  		}
 30724  		x1 := sh.Args[0]
 30725  		if x1.Op != OpS390XMOVBZloadidx {
 30726  			break
 30727  		}
 30728  		i1 := x1.AuxInt
 30729  		if x1.Aux != s {
 30730  			break
 30731  		}
 30732  		if idx != x1.Args[0] {
 30733  			break
 30734  		}
 30735  		if p != x1.Args[1] {
 30736  			break
 30737  		}
 30738  		if mem != x1.Args[2] {
 30739  			break
 30740  		}
 30741  		if !(p.Op != OpSB && i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 30742  			break
 30743  		}
 30744  		b = mergePoint(b, x0, x1)
 30745  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 30746  		v.reset(OpCopy)
 30747  		v.AddArg(v0)
 30748  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 30749  		v1.AuxInt = i0
 30750  		v1.Aux = s
 30751  		v1.AddArg(p)
 30752  		v1.AddArg(idx)
 30753  		v1.AddArg(mem)
 30754  		v0.AddArg(v1)
 30755  		return true
 30756  	}
 30757  	// match: (ORW sh:(SLWconst [8] x1:(MOVBZloadidx [i1] {s} p idx mem)) x0:(MOVBZloadidx [i0] {s} p idx mem))
 30758  	// cond: p.Op != OpSB   && i1 == i0+1   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 30759  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))
 30760  	for {
 30761  		sh := v.Args[0]
 30762  		if sh.Op != OpS390XSLWconst {
 30763  			break
 30764  		}
 30765  		if sh.AuxInt != 8 {
 30766  			break
 30767  		}
 30768  		x1 := sh.Args[0]
 30769  		if x1.Op != OpS390XMOVBZloadidx {
 30770  			break
 30771  		}
 30772  		i1 := x1.AuxInt
 30773  		s := x1.Aux
 30774  		p := x1.Args[0]
 30775  		idx := x1.Args[1]
 30776  		mem := x1.Args[2]
 30777  		x0 := v.Args[1]
 30778  		if x0.Op != OpS390XMOVBZloadidx {
 30779  			break
 30780  		}
 30781  		i0 := x0.AuxInt
 30782  		if x0.Aux != s {
 30783  			break
 30784  		}
 30785  		if p != x0.Args[0] {
 30786  			break
 30787  		}
 30788  		if idx != x0.Args[1] {
 30789  			break
 30790  		}
 30791  		if mem != x0.Args[2] {
 30792  			break
 30793  		}
 30794  		if !(p.Op != OpSB && i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 30795  			break
 30796  		}
 30797  		b = mergePoint(b, x0, x1)
 30798  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 30799  		v.reset(OpCopy)
 30800  		v.AddArg(v0)
 30801  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 30802  		v1.AuxInt = i0
 30803  		v1.Aux = s
 30804  		v1.AddArg(p)
 30805  		v1.AddArg(idx)
 30806  		v1.AddArg(mem)
 30807  		v0.AddArg(v1)
 30808  		return true
 30809  	}
 30810  	// match: (ORW sh:(SLWconst [8] x1:(MOVBZloadidx [i1] {s} idx p mem)) x0:(MOVBZloadidx [i0] {s} p idx mem))
 30811  	// cond: p.Op != OpSB   && i1 == i0+1   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 30812  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))
 30813  	for {
 30814  		sh := v.Args[0]
 30815  		if sh.Op != OpS390XSLWconst {
 30816  			break
 30817  		}
 30818  		if sh.AuxInt != 8 {
 30819  			break
 30820  		}
 30821  		x1 := sh.Args[0]
 30822  		if x1.Op != OpS390XMOVBZloadidx {
 30823  			break
 30824  		}
 30825  		i1 := x1.AuxInt
 30826  		s := x1.Aux
 30827  		idx := x1.Args[0]
 30828  		p := x1.Args[1]
 30829  		mem := x1.Args[2]
 30830  		x0 := v.Args[1]
 30831  		if x0.Op != OpS390XMOVBZloadidx {
 30832  			break
 30833  		}
 30834  		i0 := x0.AuxInt
 30835  		if x0.Aux != s {
 30836  			break
 30837  		}
 30838  		if p != x0.Args[0] {
 30839  			break
 30840  		}
 30841  		if idx != x0.Args[1] {
 30842  			break
 30843  		}
 30844  		if mem != x0.Args[2] {
 30845  			break
 30846  		}
 30847  		if !(p.Op != OpSB && i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 30848  			break
 30849  		}
 30850  		b = mergePoint(b, x0, x1)
 30851  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 30852  		v.reset(OpCopy)
 30853  		v.AddArg(v0)
 30854  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 30855  		v1.AuxInt = i0
 30856  		v1.Aux = s
 30857  		v1.AddArg(p)
 30858  		v1.AddArg(idx)
 30859  		v1.AddArg(mem)
 30860  		v0.AddArg(v1)
 30861  		return true
 30862  	}
 30863  	// match: (ORW sh:(SLWconst [8] x1:(MOVBZloadidx [i1] {s} p idx mem)) x0:(MOVBZloadidx [i0] {s} idx p mem))
 30864  	// cond: p.Op != OpSB   && i1 == i0+1   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 30865  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))
 30866  	for {
 30867  		sh := v.Args[0]
 30868  		if sh.Op != OpS390XSLWconst {
 30869  			break
 30870  		}
 30871  		if sh.AuxInt != 8 {
 30872  			break
 30873  		}
 30874  		x1 := sh.Args[0]
 30875  		if x1.Op != OpS390XMOVBZloadidx {
 30876  			break
 30877  		}
 30878  		i1 := x1.AuxInt
 30879  		s := x1.Aux
 30880  		p := x1.Args[0]
 30881  		idx := x1.Args[1]
 30882  		mem := x1.Args[2]
 30883  		x0 := v.Args[1]
 30884  		if x0.Op != OpS390XMOVBZloadidx {
 30885  			break
 30886  		}
 30887  		i0 := x0.AuxInt
 30888  		if x0.Aux != s {
 30889  			break
 30890  		}
 30891  		if idx != x0.Args[0] {
 30892  			break
 30893  		}
 30894  		if p != x0.Args[1] {
 30895  			break
 30896  		}
 30897  		if mem != x0.Args[2] {
 30898  			break
 30899  		}
 30900  		if !(p.Op != OpSB && i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 30901  			break
 30902  		}
 30903  		b = mergePoint(b, x0, x1)
 30904  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 30905  		v.reset(OpCopy)
 30906  		v.AddArg(v0)
 30907  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 30908  		v1.AuxInt = i0
 30909  		v1.Aux = s
 30910  		v1.AddArg(p)
 30911  		v1.AddArg(idx)
 30912  		v1.AddArg(mem)
 30913  		v0.AddArg(v1)
 30914  		return true
 30915  	}
 30916  	// match: (ORW sh:(SLWconst [8] x1:(MOVBZloadidx [i1] {s} idx p mem)) x0:(MOVBZloadidx [i0] {s} idx p mem))
 30917  	// cond: p.Op != OpSB   && i1 == i0+1   && x0.Uses == 1   && x1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(sh)
 30918  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))
 30919  	for {
 30920  		sh := v.Args[0]
 30921  		if sh.Op != OpS390XSLWconst {
 30922  			break
 30923  		}
 30924  		if sh.AuxInt != 8 {
 30925  			break
 30926  		}
 30927  		x1 := sh.Args[0]
 30928  		if x1.Op != OpS390XMOVBZloadidx {
 30929  			break
 30930  		}
 30931  		i1 := x1.AuxInt
 30932  		s := x1.Aux
 30933  		idx := x1.Args[0]
 30934  		p := x1.Args[1]
 30935  		mem := x1.Args[2]
 30936  		x0 := v.Args[1]
 30937  		if x0.Op != OpS390XMOVBZloadidx {
 30938  			break
 30939  		}
 30940  		i0 := x0.AuxInt
 30941  		if x0.Aux != s {
 30942  			break
 30943  		}
 30944  		if idx != x0.Args[0] {
 30945  			break
 30946  		}
 30947  		if p != x0.Args[1] {
 30948  			break
 30949  		}
 30950  		if mem != x0.Args[2] {
 30951  			break
 30952  		}
 30953  		if !(p.Op != OpSB && i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(sh)) {
 30954  			break
 30955  		}
 30956  		b = mergePoint(b, x0, x1)
 30957  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 30958  		v.reset(OpCopy)
 30959  		v.AddArg(v0)
 30960  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 30961  		v1.AuxInt = i0
 30962  		v1.Aux = s
 30963  		v1.AddArg(p)
 30964  		v1.AddArg(idx)
 30965  		v1.AddArg(mem)
 30966  		v0.AddArg(v1)
 30967  		return true
 30968  	}
 30969  	// match: (ORW r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem)) sh:(SLWconst [16] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))))
 30970  	// cond: i1 == i0+2   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 30971  	// result: @mergePoint(b,x0,x1) (MOVWBRloadidx [i0] {s} p idx mem)
 30972  	for {
 30973  		r0 := v.Args[0]
 30974  		if r0.Op != OpS390XMOVHZreg {
 30975  			break
 30976  		}
 30977  		x0 := r0.Args[0]
 30978  		if x0.Op != OpS390XMOVHBRloadidx {
 30979  			break
 30980  		}
 30981  		i0 := x0.AuxInt
 30982  		s := x0.Aux
 30983  		p := x0.Args[0]
 30984  		idx := x0.Args[1]
 30985  		mem := x0.Args[2]
 30986  		sh := v.Args[1]
 30987  		if sh.Op != OpS390XSLWconst {
 30988  			break
 30989  		}
 30990  		if sh.AuxInt != 16 {
 30991  			break
 30992  		}
 30993  		r1 := sh.Args[0]
 30994  		if r1.Op != OpS390XMOVHZreg {
 30995  			break
 30996  		}
 30997  		x1 := r1.Args[0]
 30998  		if x1.Op != OpS390XMOVHBRloadidx {
 30999  			break
 31000  		}
 31001  		i1 := x1.AuxInt
 31002  		if x1.Aux != s {
 31003  			break
 31004  		}
 31005  		if p != x1.Args[0] {
 31006  			break
 31007  		}
 31008  		if idx != x1.Args[1] {
 31009  			break
 31010  		}
 31011  		if mem != x1.Args[2] {
 31012  			break
 31013  		}
 31014  		if !(i1 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 31015  			break
 31016  		}
 31017  		b = mergePoint(b, x0, x1)
 31018  		v0 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 31019  		v.reset(OpCopy)
 31020  		v.AddArg(v0)
 31021  		v0.AuxInt = i0
 31022  		v0.Aux = s
 31023  		v0.AddArg(p)
 31024  		v0.AddArg(idx)
 31025  		v0.AddArg(mem)
 31026  		return true
 31027  	}
 31028  	// match: (ORW r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem)) sh:(SLWconst [16] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))))
 31029  	// cond: i1 == i0+2   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 31030  	// result: @mergePoint(b,x0,x1) (MOVWBRloadidx [i0] {s} p idx mem)
 31031  	for {
 31032  		r0 := v.Args[0]
 31033  		if r0.Op != OpS390XMOVHZreg {
 31034  			break
 31035  		}
 31036  		x0 := r0.Args[0]
 31037  		if x0.Op != OpS390XMOVHBRloadidx {
 31038  			break
 31039  		}
 31040  		i0 := x0.AuxInt
 31041  		s := x0.Aux
 31042  		idx := x0.Args[0]
 31043  		p := x0.Args[1]
 31044  		mem := x0.Args[2]
 31045  		sh := v.Args[1]
 31046  		if sh.Op != OpS390XSLWconst {
 31047  			break
 31048  		}
 31049  		if sh.AuxInt != 16 {
 31050  			break
 31051  		}
 31052  		r1 := sh.Args[0]
 31053  		if r1.Op != OpS390XMOVHZreg {
 31054  			break
 31055  		}
 31056  		x1 := r1.Args[0]
 31057  		if x1.Op != OpS390XMOVHBRloadidx {
 31058  			break
 31059  		}
 31060  		i1 := x1.AuxInt
 31061  		if x1.Aux != s {
 31062  			break
 31063  		}
 31064  		if p != x1.Args[0] {
 31065  			break
 31066  		}
 31067  		if idx != x1.Args[1] {
 31068  			break
 31069  		}
 31070  		if mem != x1.Args[2] {
 31071  			break
 31072  		}
 31073  		if !(i1 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 31074  			break
 31075  		}
 31076  		b = mergePoint(b, x0, x1)
 31077  		v0 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 31078  		v.reset(OpCopy)
 31079  		v.AddArg(v0)
 31080  		v0.AuxInt = i0
 31081  		v0.Aux = s
 31082  		v0.AddArg(p)
 31083  		v0.AddArg(idx)
 31084  		v0.AddArg(mem)
 31085  		return true
 31086  	}
 31087  	// match: (ORW r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem)) sh:(SLWconst [16] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))))
 31088  	// cond: i1 == i0+2   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 31089  	// result: @mergePoint(b,x0,x1) (MOVWBRloadidx [i0] {s} p idx mem)
 31090  	for {
 31091  		r0 := v.Args[0]
 31092  		if r0.Op != OpS390XMOVHZreg {
 31093  			break
 31094  		}
 31095  		x0 := r0.Args[0]
 31096  		if x0.Op != OpS390XMOVHBRloadidx {
 31097  			break
 31098  		}
 31099  		i0 := x0.AuxInt
 31100  		s := x0.Aux
 31101  		p := x0.Args[0]
 31102  		idx := x0.Args[1]
 31103  		mem := x0.Args[2]
 31104  		sh := v.Args[1]
 31105  		if sh.Op != OpS390XSLWconst {
 31106  			break
 31107  		}
 31108  		if sh.AuxInt != 16 {
 31109  			break
 31110  		}
 31111  		r1 := sh.Args[0]
 31112  		if r1.Op != OpS390XMOVHZreg {
 31113  			break
 31114  		}
 31115  		x1 := r1.Args[0]
 31116  		if x1.Op != OpS390XMOVHBRloadidx {
 31117  			break
 31118  		}
 31119  		i1 := x1.AuxInt
 31120  		if x1.Aux != s {
 31121  			break
 31122  		}
 31123  		if idx != x1.Args[0] {
 31124  			break
 31125  		}
 31126  		if p != x1.Args[1] {
 31127  			break
 31128  		}
 31129  		if mem != x1.Args[2] {
 31130  			break
 31131  		}
 31132  		if !(i1 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 31133  			break
 31134  		}
 31135  		b = mergePoint(b, x0, x1)
 31136  		v0 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 31137  		v.reset(OpCopy)
 31138  		v.AddArg(v0)
 31139  		v0.AuxInt = i0
 31140  		v0.Aux = s
 31141  		v0.AddArg(p)
 31142  		v0.AddArg(idx)
 31143  		v0.AddArg(mem)
 31144  		return true
 31145  	}
 31146  	// match: (ORW r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem)) sh:(SLWconst [16] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))))
 31147  	// cond: i1 == i0+2   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 31148  	// result: @mergePoint(b,x0,x1) (MOVWBRloadidx [i0] {s} p idx mem)
 31149  	for {
 31150  		r0 := v.Args[0]
 31151  		if r0.Op != OpS390XMOVHZreg {
 31152  			break
 31153  		}
 31154  		x0 := r0.Args[0]
 31155  		if x0.Op != OpS390XMOVHBRloadidx {
 31156  			break
 31157  		}
 31158  		i0 := x0.AuxInt
 31159  		s := x0.Aux
 31160  		idx := x0.Args[0]
 31161  		p := x0.Args[1]
 31162  		mem := x0.Args[2]
 31163  		sh := v.Args[1]
 31164  		if sh.Op != OpS390XSLWconst {
 31165  			break
 31166  		}
 31167  		if sh.AuxInt != 16 {
 31168  			break
 31169  		}
 31170  		r1 := sh.Args[0]
 31171  		if r1.Op != OpS390XMOVHZreg {
 31172  			break
 31173  		}
 31174  		x1 := r1.Args[0]
 31175  		if x1.Op != OpS390XMOVHBRloadidx {
 31176  			break
 31177  		}
 31178  		i1 := x1.AuxInt
 31179  		if x1.Aux != s {
 31180  			break
 31181  		}
 31182  		if idx != x1.Args[0] {
 31183  			break
 31184  		}
 31185  		if p != x1.Args[1] {
 31186  			break
 31187  		}
 31188  		if mem != x1.Args[2] {
 31189  			break
 31190  		}
 31191  		if !(i1 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 31192  			break
 31193  		}
 31194  		b = mergePoint(b, x0, x1)
 31195  		v0 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 31196  		v.reset(OpCopy)
 31197  		v.AddArg(v0)
 31198  		v0.AuxInt = i0
 31199  		v0.Aux = s
 31200  		v0.AddArg(p)
 31201  		v0.AddArg(idx)
 31202  		v0.AddArg(mem)
 31203  		return true
 31204  	}
 31205  	// match: (ORW sh:(SLWconst [16] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))) r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem)))
 31206  	// cond: i1 == i0+2   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 31207  	// result: @mergePoint(b,x0,x1) (MOVWBRloadidx [i0] {s} p idx mem)
 31208  	for {
 31209  		sh := v.Args[0]
 31210  		if sh.Op != OpS390XSLWconst {
 31211  			break
 31212  		}
 31213  		if sh.AuxInt != 16 {
 31214  			break
 31215  		}
 31216  		r1 := sh.Args[0]
 31217  		if r1.Op != OpS390XMOVHZreg {
 31218  			break
 31219  		}
 31220  		x1 := r1.Args[0]
 31221  		if x1.Op != OpS390XMOVHBRloadidx {
 31222  			break
 31223  		}
 31224  		i1 := x1.AuxInt
 31225  		s := x1.Aux
 31226  		p := x1.Args[0]
 31227  		idx := x1.Args[1]
 31228  		mem := x1.Args[2]
 31229  		r0 := v.Args[1]
 31230  		if r0.Op != OpS390XMOVHZreg {
 31231  			break
 31232  		}
 31233  		x0 := r0.Args[0]
 31234  		if x0.Op != OpS390XMOVHBRloadidx {
 31235  			break
 31236  		}
 31237  		i0 := x0.AuxInt
 31238  		if x0.Aux != s {
 31239  			break
 31240  		}
 31241  		if p != x0.Args[0] {
 31242  			break
 31243  		}
 31244  		if idx != x0.Args[1] {
 31245  			break
 31246  		}
 31247  		if mem != x0.Args[2] {
 31248  			break
 31249  		}
 31250  		if !(i1 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 31251  			break
 31252  		}
 31253  		b = mergePoint(b, x0, x1)
 31254  		v0 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 31255  		v.reset(OpCopy)
 31256  		v.AddArg(v0)
 31257  		v0.AuxInt = i0
 31258  		v0.Aux = s
 31259  		v0.AddArg(p)
 31260  		v0.AddArg(idx)
 31261  		v0.AddArg(mem)
 31262  		return true
 31263  	}
 31264  	// match: (ORW sh:(SLWconst [16] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))) r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem)))
 31265  	// cond: i1 == i0+2   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 31266  	// result: @mergePoint(b,x0,x1) (MOVWBRloadidx [i0] {s} p idx mem)
 31267  	for {
 31268  		sh := v.Args[0]
 31269  		if sh.Op != OpS390XSLWconst {
 31270  			break
 31271  		}
 31272  		if sh.AuxInt != 16 {
 31273  			break
 31274  		}
 31275  		r1 := sh.Args[0]
 31276  		if r1.Op != OpS390XMOVHZreg {
 31277  			break
 31278  		}
 31279  		x1 := r1.Args[0]
 31280  		if x1.Op != OpS390XMOVHBRloadidx {
 31281  			break
 31282  		}
 31283  		i1 := x1.AuxInt
 31284  		s := x1.Aux
 31285  		idx := x1.Args[0]
 31286  		p := x1.Args[1]
 31287  		mem := x1.Args[2]
 31288  		r0 := v.Args[1]
 31289  		if r0.Op != OpS390XMOVHZreg {
 31290  			break
 31291  		}
 31292  		x0 := r0.Args[0]
 31293  		if x0.Op != OpS390XMOVHBRloadidx {
 31294  			break
 31295  		}
 31296  		i0 := x0.AuxInt
 31297  		if x0.Aux != s {
 31298  			break
 31299  		}
 31300  		if p != x0.Args[0] {
 31301  			break
 31302  		}
 31303  		if idx != x0.Args[1] {
 31304  			break
 31305  		}
 31306  		if mem != x0.Args[2] {
 31307  			break
 31308  		}
 31309  		if !(i1 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 31310  			break
 31311  		}
 31312  		b = mergePoint(b, x0, x1)
 31313  		v0 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 31314  		v.reset(OpCopy)
 31315  		v.AddArg(v0)
 31316  		v0.AuxInt = i0
 31317  		v0.Aux = s
 31318  		v0.AddArg(p)
 31319  		v0.AddArg(idx)
 31320  		v0.AddArg(mem)
 31321  		return true
 31322  	}
 31323  	// match: (ORW sh:(SLWconst [16] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))) r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem)))
 31324  	// cond: i1 == i0+2   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 31325  	// result: @mergePoint(b,x0,x1) (MOVWBRloadidx [i0] {s} p idx mem)
 31326  	for {
 31327  		sh := v.Args[0]
 31328  		if sh.Op != OpS390XSLWconst {
 31329  			break
 31330  		}
 31331  		if sh.AuxInt != 16 {
 31332  			break
 31333  		}
 31334  		r1 := sh.Args[0]
 31335  		if r1.Op != OpS390XMOVHZreg {
 31336  			break
 31337  		}
 31338  		x1 := r1.Args[0]
 31339  		if x1.Op != OpS390XMOVHBRloadidx {
 31340  			break
 31341  		}
 31342  		i1 := x1.AuxInt
 31343  		s := x1.Aux
 31344  		p := x1.Args[0]
 31345  		idx := x1.Args[1]
 31346  		mem := x1.Args[2]
 31347  		r0 := v.Args[1]
 31348  		if r0.Op != OpS390XMOVHZreg {
 31349  			break
 31350  		}
 31351  		x0 := r0.Args[0]
 31352  		if x0.Op != OpS390XMOVHBRloadidx {
 31353  			break
 31354  		}
 31355  		i0 := x0.AuxInt
 31356  		if x0.Aux != s {
 31357  			break
 31358  		}
 31359  		if idx != x0.Args[0] {
 31360  			break
 31361  		}
 31362  		if p != x0.Args[1] {
 31363  			break
 31364  		}
 31365  		if mem != x0.Args[2] {
 31366  			break
 31367  		}
 31368  		if !(i1 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 31369  			break
 31370  		}
 31371  		b = mergePoint(b, x0, x1)
 31372  		v0 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 31373  		v.reset(OpCopy)
 31374  		v.AddArg(v0)
 31375  		v0.AuxInt = i0
 31376  		v0.Aux = s
 31377  		v0.AddArg(p)
 31378  		v0.AddArg(idx)
 31379  		v0.AddArg(mem)
 31380  		return true
 31381  	}
 31382  	// match: (ORW sh:(SLWconst [16] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))) r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem)))
 31383  	// cond: i1 == i0+2   && x0.Uses == 1   && x1.Uses == 1   && r0.Uses == 1   && r1.Uses == 1   && sh.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(r0)   && clobber(r1)   && clobber(sh)
 31384  	// result: @mergePoint(b,x0,x1) (MOVWBRloadidx [i0] {s} p idx mem)
 31385  	for {
 31386  		sh := v.Args[0]
 31387  		if sh.Op != OpS390XSLWconst {
 31388  			break
 31389  		}
 31390  		if sh.AuxInt != 16 {
 31391  			break
 31392  		}
 31393  		r1 := sh.Args[0]
 31394  		if r1.Op != OpS390XMOVHZreg {
 31395  			break
 31396  		}
 31397  		x1 := r1.Args[0]
 31398  		if x1.Op != OpS390XMOVHBRloadidx {
 31399  			break
 31400  		}
 31401  		i1 := x1.AuxInt
 31402  		s := x1.Aux
 31403  		idx := x1.Args[0]
 31404  		p := x1.Args[1]
 31405  		mem := x1.Args[2]
 31406  		r0 := v.Args[1]
 31407  		if r0.Op != OpS390XMOVHZreg {
 31408  			break
 31409  		}
 31410  		x0 := r0.Args[0]
 31411  		if x0.Op != OpS390XMOVHBRloadidx {
 31412  			break
 31413  		}
 31414  		i0 := x0.AuxInt
 31415  		if x0.Aux != s {
 31416  			break
 31417  		}
 31418  		if idx != x0.Args[0] {
 31419  			break
 31420  		}
 31421  		if p != x0.Args[1] {
 31422  			break
 31423  		}
 31424  		if mem != x0.Args[2] {
 31425  			break
 31426  		}
 31427  		if !(i1 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(sh)) {
 31428  			break
 31429  		}
 31430  		b = mergePoint(b, x0, x1)
 31431  		v0 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, types.Int32)
 31432  		v.reset(OpCopy)
 31433  		v.AddArg(v0)
 31434  		v0.AuxInt = i0
 31435  		v0.Aux = s
 31436  		v0.AddArg(p)
 31437  		v0.AddArg(idx)
 31438  		v0.AddArg(mem)
 31439  		return true
 31440  	}
 31441  	// match: (ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) or:(ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) y))
 31442  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 31443  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 31444  	for {
 31445  		s1 := v.Args[0]
 31446  		if s1.Op != OpS390XSLWconst {
 31447  			break
 31448  		}
 31449  		j1 := s1.AuxInt
 31450  		x1 := s1.Args[0]
 31451  		if x1.Op != OpS390XMOVBZloadidx {
 31452  			break
 31453  		}
 31454  		i1 := x1.AuxInt
 31455  		s := x1.Aux
 31456  		p := x1.Args[0]
 31457  		idx := x1.Args[1]
 31458  		mem := x1.Args[2]
 31459  		or := v.Args[1]
 31460  		if or.Op != OpS390XORW {
 31461  			break
 31462  		}
 31463  		s0 := or.Args[0]
 31464  		if s0.Op != OpS390XSLWconst {
 31465  			break
 31466  		}
 31467  		j0 := s0.AuxInt
 31468  		x0 := s0.Args[0]
 31469  		if x0.Op != OpS390XMOVBZloadidx {
 31470  			break
 31471  		}
 31472  		i0 := x0.AuxInt
 31473  		if x0.Aux != s {
 31474  			break
 31475  		}
 31476  		if p != x0.Args[0] {
 31477  			break
 31478  		}
 31479  		if idx != x0.Args[1] {
 31480  			break
 31481  		}
 31482  		if mem != x0.Args[2] {
 31483  			break
 31484  		}
 31485  		y := or.Args[1]
 31486  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 31487  			break
 31488  		}
 31489  		b = mergePoint(b, x0, x1)
 31490  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 31491  		v.reset(OpCopy)
 31492  		v.AddArg(v0)
 31493  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 31494  		v1.AuxInt = j0
 31495  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 31496  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 31497  		v3.AuxInt = i0
 31498  		v3.Aux = s
 31499  		v3.AddArg(p)
 31500  		v3.AddArg(idx)
 31501  		v3.AddArg(mem)
 31502  		v2.AddArg(v3)
 31503  		v1.AddArg(v2)
 31504  		v0.AddArg(v1)
 31505  		v0.AddArg(y)
 31506  		return true
 31507  	}
 31508  	// match: (ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) or:(ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) y))
 31509  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 31510  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 31511  	for {
 31512  		s1 := v.Args[0]
 31513  		if s1.Op != OpS390XSLWconst {
 31514  			break
 31515  		}
 31516  		j1 := s1.AuxInt
 31517  		x1 := s1.Args[0]
 31518  		if x1.Op != OpS390XMOVBZloadidx {
 31519  			break
 31520  		}
 31521  		i1 := x1.AuxInt
 31522  		s := x1.Aux
 31523  		idx := x1.Args[0]
 31524  		p := x1.Args[1]
 31525  		mem := x1.Args[2]
 31526  		or := v.Args[1]
 31527  		if or.Op != OpS390XORW {
 31528  			break
 31529  		}
 31530  		s0 := or.Args[0]
 31531  		if s0.Op != OpS390XSLWconst {
 31532  			break
 31533  		}
 31534  		j0 := s0.AuxInt
 31535  		x0 := s0.Args[0]
 31536  		if x0.Op != OpS390XMOVBZloadidx {
 31537  			break
 31538  		}
 31539  		i0 := x0.AuxInt
 31540  		if x0.Aux != s {
 31541  			break
 31542  		}
 31543  		if p != x0.Args[0] {
 31544  			break
 31545  		}
 31546  		if idx != x0.Args[1] {
 31547  			break
 31548  		}
 31549  		if mem != x0.Args[2] {
 31550  			break
 31551  		}
 31552  		y := or.Args[1]
 31553  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 31554  			break
 31555  		}
 31556  		b = mergePoint(b, x0, x1)
 31557  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 31558  		v.reset(OpCopy)
 31559  		v.AddArg(v0)
 31560  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 31561  		v1.AuxInt = j0
 31562  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 31563  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 31564  		v3.AuxInt = i0
 31565  		v3.Aux = s
 31566  		v3.AddArg(p)
 31567  		v3.AddArg(idx)
 31568  		v3.AddArg(mem)
 31569  		v2.AddArg(v3)
 31570  		v1.AddArg(v2)
 31571  		v0.AddArg(v1)
 31572  		v0.AddArg(y)
 31573  		return true
 31574  	}
 31575  	// match: (ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) or:(ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) y))
 31576  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 31577  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 31578  	for {
 31579  		s1 := v.Args[0]
 31580  		if s1.Op != OpS390XSLWconst {
 31581  			break
 31582  		}
 31583  		j1 := s1.AuxInt
 31584  		x1 := s1.Args[0]
 31585  		if x1.Op != OpS390XMOVBZloadidx {
 31586  			break
 31587  		}
 31588  		i1 := x1.AuxInt
 31589  		s := x1.Aux
 31590  		p := x1.Args[0]
 31591  		idx := x1.Args[1]
 31592  		mem := x1.Args[2]
 31593  		or := v.Args[1]
 31594  		if or.Op != OpS390XORW {
 31595  			break
 31596  		}
 31597  		s0 := or.Args[0]
 31598  		if s0.Op != OpS390XSLWconst {
 31599  			break
 31600  		}
 31601  		j0 := s0.AuxInt
 31602  		x0 := s0.Args[0]
 31603  		if x0.Op != OpS390XMOVBZloadidx {
 31604  			break
 31605  		}
 31606  		i0 := x0.AuxInt
 31607  		if x0.Aux != s {
 31608  			break
 31609  		}
 31610  		if idx != x0.Args[0] {
 31611  			break
 31612  		}
 31613  		if p != x0.Args[1] {
 31614  			break
 31615  		}
 31616  		if mem != x0.Args[2] {
 31617  			break
 31618  		}
 31619  		y := or.Args[1]
 31620  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 31621  			break
 31622  		}
 31623  		b = mergePoint(b, x0, x1)
 31624  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 31625  		v.reset(OpCopy)
 31626  		v.AddArg(v0)
 31627  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 31628  		v1.AuxInt = j0
 31629  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 31630  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 31631  		v3.AuxInt = i0
 31632  		v3.Aux = s
 31633  		v3.AddArg(p)
 31634  		v3.AddArg(idx)
 31635  		v3.AddArg(mem)
 31636  		v2.AddArg(v3)
 31637  		v1.AddArg(v2)
 31638  		v0.AddArg(v1)
 31639  		v0.AddArg(y)
 31640  		return true
 31641  	}
 31642  	// match: (ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) or:(ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) y))
 31643  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 31644  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 31645  	for {
 31646  		s1 := v.Args[0]
 31647  		if s1.Op != OpS390XSLWconst {
 31648  			break
 31649  		}
 31650  		j1 := s1.AuxInt
 31651  		x1 := s1.Args[0]
 31652  		if x1.Op != OpS390XMOVBZloadidx {
 31653  			break
 31654  		}
 31655  		i1 := x1.AuxInt
 31656  		s := x1.Aux
 31657  		idx := x1.Args[0]
 31658  		p := x1.Args[1]
 31659  		mem := x1.Args[2]
 31660  		or := v.Args[1]
 31661  		if or.Op != OpS390XORW {
 31662  			break
 31663  		}
 31664  		s0 := or.Args[0]
 31665  		if s0.Op != OpS390XSLWconst {
 31666  			break
 31667  		}
 31668  		j0 := s0.AuxInt
 31669  		x0 := s0.Args[0]
 31670  		if x0.Op != OpS390XMOVBZloadidx {
 31671  			break
 31672  		}
 31673  		i0 := x0.AuxInt
 31674  		if x0.Aux != s {
 31675  			break
 31676  		}
 31677  		if idx != x0.Args[0] {
 31678  			break
 31679  		}
 31680  		if p != x0.Args[1] {
 31681  			break
 31682  		}
 31683  		if mem != x0.Args[2] {
 31684  			break
 31685  		}
 31686  		y := or.Args[1]
 31687  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 31688  			break
 31689  		}
 31690  		b = mergePoint(b, x0, x1)
 31691  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 31692  		v.reset(OpCopy)
 31693  		v.AddArg(v0)
 31694  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 31695  		v1.AuxInt = j0
 31696  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 31697  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 31698  		v3.AuxInt = i0
 31699  		v3.Aux = s
 31700  		v3.AddArg(p)
 31701  		v3.AddArg(idx)
 31702  		v3.AddArg(mem)
 31703  		v2.AddArg(v3)
 31704  		v1.AddArg(v2)
 31705  		v0.AddArg(v1)
 31706  		v0.AddArg(y)
 31707  		return true
 31708  	}
 31709  	// match: (ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) or:(ORW y s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem))))
 31710  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 31711  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 31712  	for {
 31713  		s1 := v.Args[0]
 31714  		if s1.Op != OpS390XSLWconst {
 31715  			break
 31716  		}
 31717  		j1 := s1.AuxInt
 31718  		x1 := s1.Args[0]
 31719  		if x1.Op != OpS390XMOVBZloadidx {
 31720  			break
 31721  		}
 31722  		i1 := x1.AuxInt
 31723  		s := x1.Aux
 31724  		p := x1.Args[0]
 31725  		idx := x1.Args[1]
 31726  		mem := x1.Args[2]
 31727  		or := v.Args[1]
 31728  		if or.Op != OpS390XORW {
 31729  			break
 31730  		}
 31731  		y := or.Args[0]
 31732  		s0 := or.Args[1]
 31733  		if s0.Op != OpS390XSLWconst {
 31734  			break
 31735  		}
 31736  		j0 := s0.AuxInt
 31737  		x0 := s0.Args[0]
 31738  		if x0.Op != OpS390XMOVBZloadidx {
 31739  			break
 31740  		}
 31741  		i0 := x0.AuxInt
 31742  		if x0.Aux != s {
 31743  			break
 31744  		}
 31745  		if p != x0.Args[0] {
 31746  			break
 31747  		}
 31748  		if idx != x0.Args[1] {
 31749  			break
 31750  		}
 31751  		if mem != x0.Args[2] {
 31752  			break
 31753  		}
 31754  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 31755  			break
 31756  		}
 31757  		b = mergePoint(b, x0, x1)
 31758  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 31759  		v.reset(OpCopy)
 31760  		v.AddArg(v0)
 31761  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 31762  		v1.AuxInt = j0
 31763  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 31764  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 31765  		v3.AuxInt = i0
 31766  		v3.Aux = s
 31767  		v3.AddArg(p)
 31768  		v3.AddArg(idx)
 31769  		v3.AddArg(mem)
 31770  		v2.AddArg(v3)
 31771  		v1.AddArg(v2)
 31772  		v0.AddArg(v1)
 31773  		v0.AddArg(y)
 31774  		return true
 31775  	}
 31776  	// match: (ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) or:(ORW y s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem))))
 31777  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 31778  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 31779  	for {
 31780  		s1 := v.Args[0]
 31781  		if s1.Op != OpS390XSLWconst {
 31782  			break
 31783  		}
 31784  		j1 := s1.AuxInt
 31785  		x1 := s1.Args[0]
 31786  		if x1.Op != OpS390XMOVBZloadidx {
 31787  			break
 31788  		}
 31789  		i1 := x1.AuxInt
 31790  		s := x1.Aux
 31791  		idx := x1.Args[0]
 31792  		p := x1.Args[1]
 31793  		mem := x1.Args[2]
 31794  		or := v.Args[1]
 31795  		if or.Op != OpS390XORW {
 31796  			break
 31797  		}
 31798  		y := or.Args[0]
 31799  		s0 := or.Args[1]
 31800  		if s0.Op != OpS390XSLWconst {
 31801  			break
 31802  		}
 31803  		j0 := s0.AuxInt
 31804  		x0 := s0.Args[0]
 31805  		if x0.Op != OpS390XMOVBZloadidx {
 31806  			break
 31807  		}
 31808  		i0 := x0.AuxInt
 31809  		if x0.Aux != s {
 31810  			break
 31811  		}
 31812  		if p != x0.Args[0] {
 31813  			break
 31814  		}
 31815  		if idx != x0.Args[1] {
 31816  			break
 31817  		}
 31818  		if mem != x0.Args[2] {
 31819  			break
 31820  		}
 31821  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 31822  			break
 31823  		}
 31824  		b = mergePoint(b, x0, x1)
 31825  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 31826  		v.reset(OpCopy)
 31827  		v.AddArg(v0)
 31828  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 31829  		v1.AuxInt = j0
 31830  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 31831  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 31832  		v3.AuxInt = i0
 31833  		v3.Aux = s
 31834  		v3.AddArg(p)
 31835  		v3.AddArg(idx)
 31836  		v3.AddArg(mem)
 31837  		v2.AddArg(v3)
 31838  		v1.AddArg(v2)
 31839  		v0.AddArg(v1)
 31840  		v0.AddArg(y)
 31841  		return true
 31842  	}
 31843  	// match: (ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) or:(ORW y s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem))))
 31844  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 31845  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 31846  	for {
 31847  		s1 := v.Args[0]
 31848  		if s1.Op != OpS390XSLWconst {
 31849  			break
 31850  		}
 31851  		j1 := s1.AuxInt
 31852  		x1 := s1.Args[0]
 31853  		if x1.Op != OpS390XMOVBZloadidx {
 31854  			break
 31855  		}
 31856  		i1 := x1.AuxInt
 31857  		s := x1.Aux
 31858  		p := x1.Args[0]
 31859  		idx := x1.Args[1]
 31860  		mem := x1.Args[2]
 31861  		or := v.Args[1]
 31862  		if or.Op != OpS390XORW {
 31863  			break
 31864  		}
 31865  		y := or.Args[0]
 31866  		s0 := or.Args[1]
 31867  		if s0.Op != OpS390XSLWconst {
 31868  			break
 31869  		}
 31870  		j0 := s0.AuxInt
 31871  		x0 := s0.Args[0]
 31872  		if x0.Op != OpS390XMOVBZloadidx {
 31873  			break
 31874  		}
 31875  		i0 := x0.AuxInt
 31876  		if x0.Aux != s {
 31877  			break
 31878  		}
 31879  		if idx != x0.Args[0] {
 31880  			break
 31881  		}
 31882  		if p != x0.Args[1] {
 31883  			break
 31884  		}
 31885  		if mem != x0.Args[2] {
 31886  			break
 31887  		}
 31888  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 31889  			break
 31890  		}
 31891  		b = mergePoint(b, x0, x1)
 31892  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 31893  		v.reset(OpCopy)
 31894  		v.AddArg(v0)
 31895  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 31896  		v1.AuxInt = j0
 31897  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 31898  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 31899  		v3.AuxInt = i0
 31900  		v3.Aux = s
 31901  		v3.AddArg(p)
 31902  		v3.AddArg(idx)
 31903  		v3.AddArg(mem)
 31904  		v2.AddArg(v3)
 31905  		v1.AddArg(v2)
 31906  		v0.AddArg(v1)
 31907  		v0.AddArg(y)
 31908  		return true
 31909  	}
 31910  	// match: (ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) or:(ORW y s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem))))
 31911  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 31912  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 31913  	for {
 31914  		s1 := v.Args[0]
 31915  		if s1.Op != OpS390XSLWconst {
 31916  			break
 31917  		}
 31918  		j1 := s1.AuxInt
 31919  		x1 := s1.Args[0]
 31920  		if x1.Op != OpS390XMOVBZloadidx {
 31921  			break
 31922  		}
 31923  		i1 := x1.AuxInt
 31924  		s := x1.Aux
 31925  		idx := x1.Args[0]
 31926  		p := x1.Args[1]
 31927  		mem := x1.Args[2]
 31928  		or := v.Args[1]
 31929  		if or.Op != OpS390XORW {
 31930  			break
 31931  		}
 31932  		y := or.Args[0]
 31933  		s0 := or.Args[1]
 31934  		if s0.Op != OpS390XSLWconst {
 31935  			break
 31936  		}
 31937  		j0 := s0.AuxInt
 31938  		x0 := s0.Args[0]
 31939  		if x0.Op != OpS390XMOVBZloadidx {
 31940  			break
 31941  		}
 31942  		i0 := x0.AuxInt
 31943  		if x0.Aux != s {
 31944  			break
 31945  		}
 31946  		if idx != x0.Args[0] {
 31947  			break
 31948  		}
 31949  		if p != x0.Args[1] {
 31950  			break
 31951  		}
 31952  		if mem != x0.Args[2] {
 31953  			break
 31954  		}
 31955  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 31956  			break
 31957  		}
 31958  		b = mergePoint(b, x0, x1)
 31959  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 31960  		v.reset(OpCopy)
 31961  		v.AddArg(v0)
 31962  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 31963  		v1.AuxInt = j0
 31964  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 31965  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 31966  		v3.AuxInt = i0
 31967  		v3.Aux = s
 31968  		v3.AddArg(p)
 31969  		v3.AddArg(idx)
 31970  		v3.AddArg(mem)
 31971  		v2.AddArg(v3)
 31972  		v1.AddArg(v2)
 31973  		v0.AddArg(v1)
 31974  		v0.AddArg(y)
 31975  		return true
 31976  	}
 31977  	// match: (ORW or:(ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) y) s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)))
 31978  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 31979  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 31980  	for {
 31981  		or := v.Args[0]
 31982  		if or.Op != OpS390XORW {
 31983  			break
 31984  		}
 31985  		s0 := or.Args[0]
 31986  		if s0.Op != OpS390XSLWconst {
 31987  			break
 31988  		}
 31989  		j0 := s0.AuxInt
 31990  		x0 := s0.Args[0]
 31991  		if x0.Op != OpS390XMOVBZloadidx {
 31992  			break
 31993  		}
 31994  		i0 := x0.AuxInt
 31995  		s := x0.Aux
 31996  		p := x0.Args[0]
 31997  		idx := x0.Args[1]
 31998  		mem := x0.Args[2]
 31999  		y := or.Args[1]
 32000  		s1 := v.Args[1]
 32001  		if s1.Op != OpS390XSLWconst {
 32002  			break
 32003  		}
 32004  		j1 := s1.AuxInt
 32005  		x1 := s1.Args[0]
 32006  		if x1.Op != OpS390XMOVBZloadidx {
 32007  			break
 32008  		}
 32009  		i1 := x1.AuxInt
 32010  		if x1.Aux != s {
 32011  			break
 32012  		}
 32013  		if p != x1.Args[0] {
 32014  			break
 32015  		}
 32016  		if idx != x1.Args[1] {
 32017  			break
 32018  		}
 32019  		if mem != x1.Args[2] {
 32020  			break
 32021  		}
 32022  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 32023  			break
 32024  		}
 32025  		b = mergePoint(b, x0, x1)
 32026  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 32027  		v.reset(OpCopy)
 32028  		v.AddArg(v0)
 32029  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 32030  		v1.AuxInt = j0
 32031  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 32032  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 32033  		v3.AuxInt = i0
 32034  		v3.Aux = s
 32035  		v3.AddArg(p)
 32036  		v3.AddArg(idx)
 32037  		v3.AddArg(mem)
 32038  		v2.AddArg(v3)
 32039  		v1.AddArg(v2)
 32040  		v0.AddArg(v1)
 32041  		v0.AddArg(y)
 32042  		return true
 32043  	}
 32044  	// match: (ORW or:(ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) y) s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)))
 32045  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 32046  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 32047  	for {
 32048  		or := v.Args[0]
 32049  		if or.Op != OpS390XORW {
 32050  			break
 32051  		}
 32052  		s0 := or.Args[0]
 32053  		if s0.Op != OpS390XSLWconst {
 32054  			break
 32055  		}
 32056  		j0 := s0.AuxInt
 32057  		x0 := s0.Args[0]
 32058  		if x0.Op != OpS390XMOVBZloadidx {
 32059  			break
 32060  		}
 32061  		i0 := x0.AuxInt
 32062  		s := x0.Aux
 32063  		idx := x0.Args[0]
 32064  		p := x0.Args[1]
 32065  		mem := x0.Args[2]
 32066  		y := or.Args[1]
 32067  		s1 := v.Args[1]
 32068  		if s1.Op != OpS390XSLWconst {
 32069  			break
 32070  		}
 32071  		j1 := s1.AuxInt
 32072  		x1 := s1.Args[0]
 32073  		if x1.Op != OpS390XMOVBZloadidx {
 32074  			break
 32075  		}
 32076  		i1 := x1.AuxInt
 32077  		if x1.Aux != s {
 32078  			break
 32079  		}
 32080  		if p != x1.Args[0] {
 32081  			break
 32082  		}
 32083  		if idx != x1.Args[1] {
 32084  			break
 32085  		}
 32086  		if mem != x1.Args[2] {
 32087  			break
 32088  		}
 32089  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 32090  			break
 32091  		}
 32092  		b = mergePoint(b, x0, x1)
 32093  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 32094  		v.reset(OpCopy)
 32095  		v.AddArg(v0)
 32096  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 32097  		v1.AuxInt = j0
 32098  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 32099  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 32100  		v3.AuxInt = i0
 32101  		v3.Aux = s
 32102  		v3.AddArg(p)
 32103  		v3.AddArg(idx)
 32104  		v3.AddArg(mem)
 32105  		v2.AddArg(v3)
 32106  		v1.AddArg(v2)
 32107  		v0.AddArg(v1)
 32108  		v0.AddArg(y)
 32109  		return true
 32110  	}
 32111  	// match: (ORW or:(ORW y s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem))) s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)))
 32112  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 32113  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 32114  	for {
 32115  		or := v.Args[0]
 32116  		if or.Op != OpS390XORW {
 32117  			break
 32118  		}
 32119  		y := or.Args[0]
 32120  		s0 := or.Args[1]
 32121  		if s0.Op != OpS390XSLWconst {
 32122  			break
 32123  		}
 32124  		j0 := s0.AuxInt
 32125  		x0 := s0.Args[0]
 32126  		if x0.Op != OpS390XMOVBZloadidx {
 32127  			break
 32128  		}
 32129  		i0 := x0.AuxInt
 32130  		s := x0.Aux
 32131  		p := x0.Args[0]
 32132  		idx := x0.Args[1]
 32133  		mem := x0.Args[2]
 32134  		s1 := v.Args[1]
 32135  		if s1.Op != OpS390XSLWconst {
 32136  			break
 32137  		}
 32138  		j1 := s1.AuxInt
 32139  		x1 := s1.Args[0]
 32140  		if x1.Op != OpS390XMOVBZloadidx {
 32141  			break
 32142  		}
 32143  		i1 := x1.AuxInt
 32144  		if x1.Aux != s {
 32145  			break
 32146  		}
 32147  		if p != x1.Args[0] {
 32148  			break
 32149  		}
 32150  		if idx != x1.Args[1] {
 32151  			break
 32152  		}
 32153  		if mem != x1.Args[2] {
 32154  			break
 32155  		}
 32156  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 32157  			break
 32158  		}
 32159  		b = mergePoint(b, x0, x1)
 32160  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 32161  		v.reset(OpCopy)
 32162  		v.AddArg(v0)
 32163  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 32164  		v1.AuxInt = j0
 32165  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 32166  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 32167  		v3.AuxInt = i0
 32168  		v3.Aux = s
 32169  		v3.AddArg(p)
 32170  		v3.AddArg(idx)
 32171  		v3.AddArg(mem)
 32172  		v2.AddArg(v3)
 32173  		v1.AddArg(v2)
 32174  		v0.AddArg(v1)
 32175  		v0.AddArg(y)
 32176  		return true
 32177  	}
 32178  	// match: (ORW or:(ORW y s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem))) s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)))
 32179  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 32180  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 32181  	for {
 32182  		or := v.Args[0]
 32183  		if or.Op != OpS390XORW {
 32184  			break
 32185  		}
 32186  		y := or.Args[0]
 32187  		s0 := or.Args[1]
 32188  		if s0.Op != OpS390XSLWconst {
 32189  			break
 32190  		}
 32191  		j0 := s0.AuxInt
 32192  		x0 := s0.Args[0]
 32193  		if x0.Op != OpS390XMOVBZloadidx {
 32194  			break
 32195  		}
 32196  		i0 := x0.AuxInt
 32197  		s := x0.Aux
 32198  		idx := x0.Args[0]
 32199  		p := x0.Args[1]
 32200  		mem := x0.Args[2]
 32201  		s1 := v.Args[1]
 32202  		if s1.Op != OpS390XSLWconst {
 32203  			break
 32204  		}
 32205  		j1 := s1.AuxInt
 32206  		x1 := s1.Args[0]
 32207  		if x1.Op != OpS390XMOVBZloadidx {
 32208  			break
 32209  		}
 32210  		i1 := x1.AuxInt
 32211  		if x1.Aux != s {
 32212  			break
 32213  		}
 32214  		if p != x1.Args[0] {
 32215  			break
 32216  		}
 32217  		if idx != x1.Args[1] {
 32218  			break
 32219  		}
 32220  		if mem != x1.Args[2] {
 32221  			break
 32222  		}
 32223  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 32224  			break
 32225  		}
 32226  		b = mergePoint(b, x0, x1)
 32227  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 32228  		v.reset(OpCopy)
 32229  		v.AddArg(v0)
 32230  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 32231  		v1.AuxInt = j0
 32232  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 32233  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 32234  		v3.AuxInt = i0
 32235  		v3.Aux = s
 32236  		v3.AddArg(p)
 32237  		v3.AddArg(idx)
 32238  		v3.AddArg(mem)
 32239  		v2.AddArg(v3)
 32240  		v1.AddArg(v2)
 32241  		v0.AddArg(v1)
 32242  		v0.AddArg(y)
 32243  		return true
 32244  	}
 32245  	// match: (ORW or:(ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) y) s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)))
 32246  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 32247  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 32248  	for {
 32249  		or := v.Args[0]
 32250  		if or.Op != OpS390XORW {
 32251  			break
 32252  		}
 32253  		s0 := or.Args[0]
 32254  		if s0.Op != OpS390XSLWconst {
 32255  			break
 32256  		}
 32257  		j0 := s0.AuxInt
 32258  		x0 := s0.Args[0]
 32259  		if x0.Op != OpS390XMOVBZloadidx {
 32260  			break
 32261  		}
 32262  		i0 := x0.AuxInt
 32263  		s := x0.Aux
 32264  		p := x0.Args[0]
 32265  		idx := x0.Args[1]
 32266  		mem := x0.Args[2]
 32267  		y := or.Args[1]
 32268  		s1 := v.Args[1]
 32269  		if s1.Op != OpS390XSLWconst {
 32270  			break
 32271  		}
 32272  		j1 := s1.AuxInt
 32273  		x1 := s1.Args[0]
 32274  		if x1.Op != OpS390XMOVBZloadidx {
 32275  			break
 32276  		}
 32277  		i1 := x1.AuxInt
 32278  		if x1.Aux != s {
 32279  			break
 32280  		}
 32281  		if idx != x1.Args[0] {
 32282  			break
 32283  		}
 32284  		if p != x1.Args[1] {
 32285  			break
 32286  		}
 32287  		if mem != x1.Args[2] {
 32288  			break
 32289  		}
 32290  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 32291  			break
 32292  		}
 32293  		b = mergePoint(b, x0, x1)
 32294  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 32295  		v.reset(OpCopy)
 32296  		v.AddArg(v0)
 32297  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 32298  		v1.AuxInt = j0
 32299  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 32300  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 32301  		v3.AuxInt = i0
 32302  		v3.Aux = s
 32303  		v3.AddArg(p)
 32304  		v3.AddArg(idx)
 32305  		v3.AddArg(mem)
 32306  		v2.AddArg(v3)
 32307  		v1.AddArg(v2)
 32308  		v0.AddArg(v1)
 32309  		v0.AddArg(y)
 32310  		return true
 32311  	}
 32312  	// match: (ORW or:(ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) y) s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)))
 32313  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 32314  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 32315  	for {
 32316  		or := v.Args[0]
 32317  		if or.Op != OpS390XORW {
 32318  			break
 32319  		}
 32320  		s0 := or.Args[0]
 32321  		if s0.Op != OpS390XSLWconst {
 32322  			break
 32323  		}
 32324  		j0 := s0.AuxInt
 32325  		x0 := s0.Args[0]
 32326  		if x0.Op != OpS390XMOVBZloadidx {
 32327  			break
 32328  		}
 32329  		i0 := x0.AuxInt
 32330  		s := x0.Aux
 32331  		idx := x0.Args[0]
 32332  		p := x0.Args[1]
 32333  		mem := x0.Args[2]
 32334  		y := or.Args[1]
 32335  		s1 := v.Args[1]
 32336  		if s1.Op != OpS390XSLWconst {
 32337  			break
 32338  		}
 32339  		j1 := s1.AuxInt
 32340  		x1 := s1.Args[0]
 32341  		if x1.Op != OpS390XMOVBZloadidx {
 32342  			break
 32343  		}
 32344  		i1 := x1.AuxInt
 32345  		if x1.Aux != s {
 32346  			break
 32347  		}
 32348  		if idx != x1.Args[0] {
 32349  			break
 32350  		}
 32351  		if p != x1.Args[1] {
 32352  			break
 32353  		}
 32354  		if mem != x1.Args[2] {
 32355  			break
 32356  		}
 32357  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 32358  			break
 32359  		}
 32360  		b = mergePoint(b, x0, x1)
 32361  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 32362  		v.reset(OpCopy)
 32363  		v.AddArg(v0)
 32364  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 32365  		v1.AuxInt = j0
 32366  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 32367  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 32368  		v3.AuxInt = i0
 32369  		v3.Aux = s
 32370  		v3.AddArg(p)
 32371  		v3.AddArg(idx)
 32372  		v3.AddArg(mem)
 32373  		v2.AddArg(v3)
 32374  		v1.AddArg(v2)
 32375  		v0.AddArg(v1)
 32376  		v0.AddArg(y)
 32377  		return true
 32378  	}
 32379  	// match: (ORW or:(ORW y s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem))) s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)))
 32380  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 32381  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 32382  	for {
 32383  		or := v.Args[0]
 32384  		if or.Op != OpS390XORW {
 32385  			break
 32386  		}
 32387  		y := or.Args[0]
 32388  		s0 := or.Args[1]
 32389  		if s0.Op != OpS390XSLWconst {
 32390  			break
 32391  		}
 32392  		j0 := s0.AuxInt
 32393  		x0 := s0.Args[0]
 32394  		if x0.Op != OpS390XMOVBZloadidx {
 32395  			break
 32396  		}
 32397  		i0 := x0.AuxInt
 32398  		s := x0.Aux
 32399  		p := x0.Args[0]
 32400  		idx := x0.Args[1]
 32401  		mem := x0.Args[2]
 32402  		s1 := v.Args[1]
 32403  		if s1.Op != OpS390XSLWconst {
 32404  			break
 32405  		}
 32406  		j1 := s1.AuxInt
 32407  		x1 := s1.Args[0]
 32408  		if x1.Op != OpS390XMOVBZloadidx {
 32409  			break
 32410  		}
 32411  		i1 := x1.AuxInt
 32412  		if x1.Aux != s {
 32413  			break
 32414  		}
 32415  		if idx != x1.Args[0] {
 32416  			break
 32417  		}
 32418  		if p != x1.Args[1] {
 32419  			break
 32420  		}
 32421  		if mem != x1.Args[2] {
 32422  			break
 32423  		}
 32424  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 32425  			break
 32426  		}
 32427  		b = mergePoint(b, x0, x1)
 32428  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 32429  		v.reset(OpCopy)
 32430  		v.AddArg(v0)
 32431  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 32432  		v1.AuxInt = j0
 32433  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 32434  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 32435  		v3.AuxInt = i0
 32436  		v3.Aux = s
 32437  		v3.AddArg(p)
 32438  		v3.AddArg(idx)
 32439  		v3.AddArg(mem)
 32440  		v2.AddArg(v3)
 32441  		v1.AddArg(v2)
 32442  		v0.AddArg(v1)
 32443  		v0.AddArg(y)
 32444  		return true
 32445  	}
 32446  	// match: (ORW or:(ORW y s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem))) s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)))
 32447  	// cond: p.Op != OpSB   && i1 == i0+1   && j1 == j0+8   && j0 % 16 == 0   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && or.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)   && clobber(s1)   && clobber(or)
 32448  	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 32449  	for {
 32450  		or := v.Args[0]
 32451  		if or.Op != OpS390XORW {
 32452  			break
 32453  		}
 32454  		y := or.Args[0]
 32455  		s0 := or.Args[1]
 32456  		if s0.Op != OpS390XSLWconst {
 32457  			break
 32458  		}
 32459  		j0 := s0.AuxInt
 32460  		x0 := s0.Args[0]
 32461  		if x0.Op != OpS390XMOVBZloadidx {
 32462  			break
 32463  		}
 32464  		i0 := x0.AuxInt
 32465  		s := x0.Aux
 32466  		idx := x0.Args[0]
 32467  		p := x0.Args[1]
 32468  		mem := x0.Args[2]
 32469  		s1 := v.Args[1]
 32470  		if s1.Op != OpS390XSLWconst {
 32471  			break
 32472  		}
 32473  		j1 := s1.AuxInt
 32474  		x1 := s1.Args[0]
 32475  		if x1.Op != OpS390XMOVBZloadidx {
 32476  			break
 32477  		}
 32478  		i1 := x1.AuxInt
 32479  		if x1.Aux != s {
 32480  			break
 32481  		}
 32482  		if idx != x1.Args[0] {
 32483  			break
 32484  		}
 32485  		if p != x1.Args[1] {
 32486  			break
 32487  		}
 32488  		if mem != x1.Args[2] {
 32489  			break
 32490  		}
 32491  		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 32492  			break
 32493  		}
 32494  		b = mergePoint(b, x0, x1)
 32495  		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 32496  		v.reset(OpCopy)
 32497  		v.AddArg(v0)
 32498  		v1 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 32499  		v1.AuxInt = j0
 32500  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, types.UInt64)
 32501  		v3 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, types.Int16)
 32502  		v3.AuxInt = i0
 32503  		v3.Aux = s
 32504  		v3.AddArg(p)
 32505  		v3.AddArg(idx)
 32506  		v3.AddArg(mem)
 32507  		v2.AddArg(v3)
 32508  		v1.AddArg(v2)
 32509  		v0.AddArg(v1)
 32510  		v0.AddArg(y)
 32511  		return true
 32512  	}
 32513  	return false
 32514  }
 32515  func rewriteValueS390X_OpS390XORWconst(v *Value) bool {
 32516  	// match: (ORWconst [c] x)
 32517  	// cond: int32(c)==0
 32518  	// result: x
 32519  	for {
 32520  		c := v.AuxInt
 32521  		x := v.Args[0]
 32522  		if !(int32(c) == 0) {
 32523  			break
 32524  		}
 32525  		v.reset(OpCopy)
 32526  		v.Type = x.Type
 32527  		v.AddArg(x)
 32528  		return true
 32529  	}
 32530  	// match: (ORWconst [c] _)
 32531  	// cond: int32(c)==-1
 32532  	// result: (MOVDconst [-1])
 32533  	for {
 32534  		c := v.AuxInt
 32535  		if !(int32(c) == -1) {
 32536  			break
 32537  		}
 32538  		v.reset(OpS390XMOVDconst)
 32539  		v.AuxInt = -1
 32540  		return true
 32541  	}
 32542  	// match: (ORWconst [c] (MOVDconst [d]))
 32543  	// cond:
 32544  	// result: (MOVDconst [c|d])
 32545  	for {
 32546  		c := v.AuxInt
 32547  		v_0 := v.Args[0]
 32548  		if v_0.Op != OpS390XMOVDconst {
 32549  			break
 32550  		}
 32551  		d := v_0.AuxInt
 32552  		v.reset(OpS390XMOVDconst)
 32553  		v.AuxInt = c | d
 32554  		return true
 32555  	}
 32556  	return false
 32557  }
 32558  func rewriteValueS390X_OpS390XORconst(v *Value) bool {
 32559  	// match: (ORconst [0] x)
 32560  	// cond:
 32561  	// result: x
 32562  	for {
 32563  		if v.AuxInt != 0 {
 32564  			break
 32565  		}
 32566  		x := v.Args[0]
 32567  		v.reset(OpCopy)
 32568  		v.Type = x.Type
 32569  		v.AddArg(x)
 32570  		return true
 32571  	}
 32572  	// match: (ORconst [-1] _)
 32573  	// cond:
 32574  	// result: (MOVDconst [-1])
 32575  	for {
 32576  		if v.AuxInt != -1 {
 32577  			break
 32578  		}
 32579  		v.reset(OpS390XMOVDconst)
 32580  		v.AuxInt = -1
 32581  		return true
 32582  	}
 32583  	// match: (ORconst [c] (MOVDconst [d]))
 32584  	// cond:
 32585  	// result: (MOVDconst [c|d])
 32586  	for {
 32587  		c := v.AuxInt
 32588  		v_0 := v.Args[0]
 32589  		if v_0.Op != OpS390XMOVDconst {
 32590  			break
 32591  		}
 32592  		d := v_0.AuxInt
 32593  		v.reset(OpS390XMOVDconst)
 32594  		v.AuxInt = c | d
 32595  		return true
 32596  	}
 32597  	return false
 32598  }
 32599  func rewriteValueS390X_OpS390XSLD(v *Value) bool {
 32600  	// match: (SLD x (MOVDconst [c]))
 32601  	// cond:
 32602  	// result: (SLDconst [c&63] x)
 32603  	for {
 32604  		x := v.Args[0]
 32605  		v_1 := v.Args[1]
 32606  		if v_1.Op != OpS390XMOVDconst {
 32607  			break
 32608  		}
 32609  		c := v_1.AuxInt
 32610  		v.reset(OpS390XSLDconst)
 32611  		v.AuxInt = c & 63
 32612  		v.AddArg(x)
 32613  		return true
 32614  	}
 32615  	// match: (SLD x (ANDconst [63] y))
 32616  	// cond:
 32617  	// result: (SLD x y)
 32618  	for {
 32619  		x := v.Args[0]
 32620  		v_1 := v.Args[1]
 32621  		if v_1.Op != OpS390XANDconst {
 32622  			break
 32623  		}
 32624  		if v_1.AuxInt != 63 {
 32625  			break
 32626  		}
 32627  		y := v_1.Args[0]
 32628  		v.reset(OpS390XSLD)
 32629  		v.AddArg(x)
 32630  		v.AddArg(y)
 32631  		return true
 32632  	}
 32633  	return false
 32634  }
 32635  func rewriteValueS390X_OpS390XSLW(v *Value) bool {
 32636  	// match: (SLW x (MOVDconst [c]))
 32637  	// cond:
 32638  	// result: (SLWconst [c&63] x)
 32639  	for {
 32640  		x := v.Args[0]
 32641  		v_1 := v.Args[1]
 32642  		if v_1.Op != OpS390XMOVDconst {
 32643  			break
 32644  		}
 32645  		c := v_1.AuxInt
 32646  		v.reset(OpS390XSLWconst)
 32647  		v.AuxInt = c & 63
 32648  		v.AddArg(x)
 32649  		return true
 32650  	}
 32651  	// match: (SLW x (ANDWconst [63] y))
 32652  	// cond:
 32653  	// result: (SLW x y)
 32654  	for {
 32655  		x := v.Args[0]
 32656  		v_1 := v.Args[1]
 32657  		if v_1.Op != OpS390XANDWconst {
 32658  			break
 32659  		}
 32660  		if v_1.AuxInt != 63 {
 32661  			break
 32662  		}
 32663  		y := v_1.Args[0]
 32664  		v.reset(OpS390XSLW)
 32665  		v.AddArg(x)
 32666  		v.AddArg(y)
 32667  		return true
 32668  	}
 32669  	return false
 32670  }
 32671  func rewriteValueS390X_OpS390XSRAD(v *Value) bool {
 32672  	// match: (SRAD x (MOVDconst [c]))
 32673  	// cond:
 32674  	// result: (SRADconst [c&63] x)
 32675  	for {
 32676  		x := v.Args[0]
 32677  		v_1 := v.Args[1]
 32678  		if v_1.Op != OpS390XMOVDconst {
 32679  			break
 32680  		}
 32681  		c := v_1.AuxInt
 32682  		v.reset(OpS390XSRADconst)
 32683  		v.AuxInt = c & 63
 32684  		v.AddArg(x)
 32685  		return true
 32686  	}
 32687  	// match: (SRAD x (ANDconst [63] y))
 32688  	// cond:
 32689  	// result: (SRAD x y)
 32690  	for {
 32691  		x := v.Args[0]
 32692  		v_1 := v.Args[1]
 32693  		if v_1.Op != OpS390XANDconst {
 32694  			break
 32695  		}
 32696  		if v_1.AuxInt != 63 {
 32697  			break
 32698  		}
 32699  		y := v_1.Args[0]
 32700  		v.reset(OpS390XSRAD)
 32701  		v.AddArg(x)
 32702  		v.AddArg(y)
 32703  		return true
 32704  	}
 32705  	return false
 32706  }
 32707  func rewriteValueS390X_OpS390XSRADconst(v *Value) bool {
 32708  	// match: (SRADconst [c] (MOVDconst [d]))
 32709  	// cond:
 32710  	// result: (MOVDconst [d>>uint64(c)])
 32711  	for {
 32712  		c := v.AuxInt
 32713  		v_0 := v.Args[0]
 32714  		if v_0.Op != OpS390XMOVDconst {
 32715  			break
 32716  		}
 32717  		d := v_0.AuxInt
 32718  		v.reset(OpS390XMOVDconst)
 32719  		v.AuxInt = d >> uint64(c)
 32720  		return true
 32721  	}
 32722  	return false
 32723  }
 32724  func rewriteValueS390X_OpS390XSRAW(v *Value) bool {
 32725  	// match: (SRAW x (MOVDconst [c]))
 32726  	// cond:
 32727  	// result: (SRAWconst [c&63] x)
 32728  	for {
 32729  		x := v.Args[0]
 32730  		v_1 := v.Args[1]
 32731  		if v_1.Op != OpS390XMOVDconst {
 32732  			break
 32733  		}
 32734  		c := v_1.AuxInt
 32735  		v.reset(OpS390XSRAWconst)
 32736  		v.AuxInt = c & 63
 32737  		v.AddArg(x)
 32738  		return true
 32739  	}
 32740  	// match: (SRAW x (ANDWconst [63] y))
 32741  	// cond:
 32742  	// result: (SRAW x y)
 32743  	for {
 32744  		x := v.Args[0]
 32745  		v_1 := v.Args[1]
 32746  		if v_1.Op != OpS390XANDWconst {
 32747  			break
 32748  		}
 32749  		if v_1.AuxInt != 63 {
 32750  			break
 32751  		}
 32752  		y := v_1.Args[0]
 32753  		v.reset(OpS390XSRAW)
 32754  		v.AddArg(x)
 32755  		v.AddArg(y)
 32756  		return true
 32757  	}
 32758  	return false
 32759  }
 32760  func rewriteValueS390X_OpS390XSRAWconst(v *Value) bool {
 32761  	// match: (SRAWconst [c] (MOVDconst [d]))
 32762  	// cond:
 32763  	// result: (MOVDconst [d>>uint64(c)])
 32764  	for {
 32765  		c := v.AuxInt
 32766  		v_0 := v.Args[0]
 32767  		if v_0.Op != OpS390XMOVDconst {
 32768  			break
 32769  		}
 32770  		d := v_0.AuxInt
 32771  		v.reset(OpS390XMOVDconst)
 32772  		v.AuxInt = d >> uint64(c)
 32773  		return true
 32774  	}
 32775  	return false
 32776  }
 32777  func rewriteValueS390X_OpS390XSRD(v *Value) bool {
 32778  	// match: (SRD x (MOVDconst [c]))
 32779  	// cond:
 32780  	// result: (SRDconst [c&63] x)
 32781  	for {
 32782  		x := v.Args[0]
 32783  		v_1 := v.Args[1]
 32784  		if v_1.Op != OpS390XMOVDconst {
 32785  			break
 32786  		}
 32787  		c := v_1.AuxInt
 32788  		v.reset(OpS390XSRDconst)
 32789  		v.AuxInt = c & 63
 32790  		v.AddArg(x)
 32791  		return true
 32792  	}
 32793  	// match: (SRD x (ANDconst [63] y))
 32794  	// cond:
 32795  	// result: (SRD x y)
 32796  	for {
 32797  		x := v.Args[0]
 32798  		v_1 := v.Args[1]
 32799  		if v_1.Op != OpS390XANDconst {
 32800  			break
 32801  		}
 32802  		if v_1.AuxInt != 63 {
 32803  			break
 32804  		}
 32805  		y := v_1.Args[0]
 32806  		v.reset(OpS390XSRD)
 32807  		v.AddArg(x)
 32808  		v.AddArg(y)
 32809  		return true
 32810  	}
 32811  	return false
 32812  }
 32813  func rewriteValueS390X_OpS390XSRW(v *Value) bool {
 32814  	// match: (SRW x (MOVDconst [c]))
 32815  	// cond:
 32816  	// result: (SRWconst [c&63] x)
 32817  	for {
 32818  		x := v.Args[0]
 32819  		v_1 := v.Args[1]
 32820  		if v_1.Op != OpS390XMOVDconst {
 32821  			break
 32822  		}
 32823  		c := v_1.AuxInt
 32824  		v.reset(OpS390XSRWconst)
 32825  		v.AuxInt = c & 63
 32826  		v.AddArg(x)
 32827  		return true
 32828  	}
 32829  	// match: (SRW x (ANDWconst [63] y))
 32830  	// cond:
 32831  	// result: (SRW x y)
 32832  	for {
 32833  		x := v.Args[0]
 32834  		v_1 := v.Args[1]
 32835  		if v_1.Op != OpS390XANDWconst {
 32836  			break
 32837  		}
 32838  		if v_1.AuxInt != 63 {
 32839  			break
 32840  		}
 32841  		y := v_1.Args[0]
 32842  		v.reset(OpS390XSRW)
 32843  		v.AddArg(x)
 32844  		v.AddArg(y)
 32845  		return true
 32846  	}
 32847  	return false
 32848  }
 32849  func rewriteValueS390X_OpS390XSTM2(v *Value) bool {
 32850  	// match: (STM2 [i] {s} p w2 w3 x:(STM2 [i-8] {s} p w0 w1 mem))
 32851  	// cond: x.Uses == 1   && is20Bit(i-8)   && clobber(x)
 32852  	// result: (STM4 [i-8] {s} p w0 w1 w2 w3 mem)
 32853  	for {
 32854  		i := v.AuxInt
 32855  		s := v.Aux
 32856  		p := v.Args[0]
 32857  		w2 := v.Args[1]
 32858  		w3 := v.Args[2]
 32859  		x := v.Args[3]
 32860  		if x.Op != OpS390XSTM2 {
 32861  			break
 32862  		}
 32863  		if x.AuxInt != i-8 {
 32864  			break
 32865  		}
 32866  		if x.Aux != s {
 32867  			break
 32868  		}
 32869  		if p != x.Args[0] {
 32870  			break
 32871  		}
 32872  		w0 := x.Args[1]
 32873  		w1 := x.Args[2]
 32874  		mem := x.Args[3]
 32875  		if !(x.Uses == 1 && is20Bit(i-8) && clobber(x)) {
 32876  			break
 32877  		}
 32878  		v.reset(OpS390XSTM4)
 32879  		v.AuxInt = i - 8
 32880  		v.Aux = s
 32881  		v.AddArg(p)
 32882  		v.AddArg(w0)
 32883  		v.AddArg(w1)
 32884  		v.AddArg(w2)
 32885  		v.AddArg(w3)
 32886  		v.AddArg(mem)
 32887  		return true
 32888  	}
 32889  	// match: (STM2 [i] {s} p (SRDconst [32] x) x mem)
 32890  	// cond:
 32891  	// result: (MOVDstore [i] {s} p x mem)
 32892  	for {
 32893  		i := v.AuxInt
 32894  		s := v.Aux
 32895  		p := v.Args[0]
 32896  		v_1 := v.Args[1]
 32897  		if v_1.Op != OpS390XSRDconst {
 32898  			break
 32899  		}
 32900  		if v_1.AuxInt != 32 {
 32901  			break
 32902  		}
 32903  		x := v_1.Args[0]
 32904  		if x != v.Args[2] {
 32905  			break
 32906  		}
 32907  		mem := v.Args[3]
 32908  		v.reset(OpS390XMOVDstore)
 32909  		v.AuxInt = i
 32910  		v.Aux = s
 32911  		v.AddArg(p)
 32912  		v.AddArg(x)
 32913  		v.AddArg(mem)
 32914  		return true
 32915  	}
 32916  	return false
 32917  }
 32918  func rewriteValueS390X_OpS390XSTMG2(v *Value) bool {
 32919  	// match: (STMG2 [i] {s} p w2 w3 x:(STMG2 [i-16] {s} p w0 w1 mem))
 32920  	// cond: x.Uses == 1   && is20Bit(i-16)   && clobber(x)
 32921  	// result: (STMG4 [i-16] {s} p w0 w1 w2 w3 mem)
 32922  	for {
 32923  		i := v.AuxInt
 32924  		s := v.Aux
 32925  		p := v.Args[0]
 32926  		w2 := v.Args[1]
 32927  		w3 := v.Args[2]
 32928  		x := v.Args[3]
 32929  		if x.Op != OpS390XSTMG2 {
 32930  			break
 32931  		}
 32932  		if x.AuxInt != i-16 {
 32933  			break
 32934  		}
 32935  		if x.Aux != s {
 32936  			break
 32937  		}
 32938  		if p != x.Args[0] {
 32939  			break
 32940  		}
 32941  		w0 := x.Args[1]
 32942  		w1 := x.Args[2]
 32943  		mem := x.Args[3]
 32944  		if !(x.Uses == 1 && is20Bit(i-16) && clobber(x)) {
 32945  			break
 32946  		}
 32947  		v.reset(OpS390XSTMG4)
 32948  		v.AuxInt = i - 16
 32949  		v.Aux = s
 32950  		v.AddArg(p)
 32951  		v.AddArg(w0)
 32952  		v.AddArg(w1)
 32953  		v.AddArg(w2)
 32954  		v.AddArg(w3)
 32955  		v.AddArg(mem)
 32956  		return true
 32957  	}
 32958  	return false
 32959  }
 32960  func rewriteValueS390X_OpS390XSUB(v *Value) bool {
 32961  	b := v.Block
 32962  	_ = b
 32963  	// match: (SUB x (MOVDconst [c]))
 32964  	// cond: is32Bit(c)
 32965  	// result: (SUBconst x [c])
 32966  	for {
 32967  		x := v.Args[0]
 32968  		v_1 := v.Args[1]
 32969  		if v_1.Op != OpS390XMOVDconst {
 32970  			break
 32971  		}
 32972  		c := v_1.AuxInt
 32973  		if !(is32Bit(c)) {
 32974  			break
 32975  		}
 32976  		v.reset(OpS390XSUBconst)
 32977  		v.AuxInt = c
 32978  		v.AddArg(x)
 32979  		return true
 32980  	}
 32981  	// match: (SUB (MOVDconst [c]) x)
 32982  	// cond: is32Bit(c)
 32983  	// result: (NEG (SUBconst <v.Type> x [c]))
 32984  	for {
 32985  		v_0 := v.Args[0]
 32986  		if v_0.Op != OpS390XMOVDconst {
 32987  			break
 32988  		}
 32989  		c := v_0.AuxInt
 32990  		x := v.Args[1]
 32991  		if !(is32Bit(c)) {
 32992  			break
 32993  		}
 32994  		v.reset(OpS390XNEG)
 32995  		v0 := b.NewValue0(v.Pos, OpS390XSUBconst, v.Type)
 32996  		v0.AuxInt = c
 32997  		v0.AddArg(x)
 32998  		v.AddArg(v0)
 32999  		return true
 33000  	}
 33001  	// match: (SUB x x)
 33002  	// cond:
 33003  	// result: (MOVDconst [0])
 33004  	for {
 33005  		x := v.Args[0]
 33006  		if x != v.Args[1] {
 33007  			break
 33008  		}
 33009  		v.reset(OpS390XMOVDconst)
 33010  		v.AuxInt = 0
 33011  		return true
 33012  	}
 33013  	// match: (SUB <t> x g:(MOVDload [off] {sym} ptr mem))
 33014  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 33015  	// result: (SUBload <t> [off] {sym} x ptr mem)
 33016  	for {
 33017  		t := v.Type
 33018  		x := v.Args[0]
 33019  		g := v.Args[1]
 33020  		if g.Op != OpS390XMOVDload {
 33021  			break
 33022  		}
 33023  		off := g.AuxInt
 33024  		sym := g.Aux
 33025  		ptr := g.Args[0]
 33026  		mem := g.Args[1]
 33027  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 33028  			break
 33029  		}
 33030  		v.reset(OpS390XSUBload)
 33031  		v.Type = t
 33032  		v.AuxInt = off
 33033  		v.Aux = sym
 33034  		v.AddArg(x)
 33035  		v.AddArg(ptr)
 33036  		v.AddArg(mem)
 33037  		return true
 33038  	}
 33039  	return false
 33040  }
 33041  func rewriteValueS390X_OpS390XSUBEWcarrymask(v *Value) bool {
 33042  	// match: (SUBEWcarrymask (FlagEQ))
 33043  	// cond:
 33044  	// result: (MOVDconst [-1])
 33045  	for {
 33046  		v_0 := v.Args[0]
 33047  		if v_0.Op != OpS390XFlagEQ {
 33048  			break
 33049  		}
 33050  		v.reset(OpS390XMOVDconst)
 33051  		v.AuxInt = -1
 33052  		return true
 33053  	}
 33054  	// match: (SUBEWcarrymask (FlagLT))
 33055  	// cond:
 33056  	// result: (MOVDconst [-1])
 33057  	for {
 33058  		v_0 := v.Args[0]
 33059  		if v_0.Op != OpS390XFlagLT {
 33060  			break
 33061  		}
 33062  		v.reset(OpS390XMOVDconst)
 33063  		v.AuxInt = -1
 33064  		return true
 33065  	}
 33066  	// match: (SUBEWcarrymask (FlagGT))
 33067  	// cond:
 33068  	// result: (MOVDconst [0])
 33069  	for {
 33070  		v_0 := v.Args[0]
 33071  		if v_0.Op != OpS390XFlagGT {
 33072  			break
 33073  		}
 33074  		v.reset(OpS390XMOVDconst)
 33075  		v.AuxInt = 0
 33076  		return true
 33077  	}
 33078  	return false
 33079  }
 33080  func rewriteValueS390X_OpS390XSUBEcarrymask(v *Value) bool {
 33081  	// match: (SUBEcarrymask (FlagEQ))
 33082  	// cond:
 33083  	// result: (MOVDconst [-1])
 33084  	for {
 33085  		v_0 := v.Args[0]
 33086  		if v_0.Op != OpS390XFlagEQ {
 33087  			break
 33088  		}
 33089  		v.reset(OpS390XMOVDconst)
 33090  		v.AuxInt = -1
 33091  		return true
 33092  	}
 33093  	// match: (SUBEcarrymask (FlagLT))
 33094  	// cond:
 33095  	// result: (MOVDconst [-1])
 33096  	for {
 33097  		v_0 := v.Args[0]
 33098  		if v_0.Op != OpS390XFlagLT {
 33099  			break
 33100  		}
 33101  		v.reset(OpS390XMOVDconst)
 33102  		v.AuxInt = -1
 33103  		return true
 33104  	}
 33105  	// match: (SUBEcarrymask (FlagGT))
 33106  	// cond:
 33107  	// result: (MOVDconst [0])
 33108  	for {
 33109  		v_0 := v.Args[0]
 33110  		if v_0.Op != OpS390XFlagGT {
 33111  			break
 33112  		}
 33113  		v.reset(OpS390XMOVDconst)
 33114  		v.AuxInt = 0
 33115  		return true
 33116  	}
 33117  	return false
 33118  }
 33119  func rewriteValueS390X_OpS390XSUBW(v *Value) bool {
 33120  	b := v.Block
 33121  	_ = b
 33122  	// match: (SUBW x (MOVDconst [c]))
 33123  	// cond:
 33124  	// result: (SUBWconst x [c])
 33125  	for {
 33126  		x := v.Args[0]
 33127  		v_1 := v.Args[1]
 33128  		if v_1.Op != OpS390XMOVDconst {
 33129  			break
 33130  		}
 33131  		c := v_1.AuxInt
 33132  		v.reset(OpS390XSUBWconst)
 33133  		v.AuxInt = c
 33134  		v.AddArg(x)
 33135  		return true
 33136  	}
 33137  	// match: (SUBW (MOVDconst [c]) x)
 33138  	// cond:
 33139  	// result: (NEGW (SUBWconst <v.Type> x [c]))
 33140  	for {
 33141  		v_0 := v.Args[0]
 33142  		if v_0.Op != OpS390XMOVDconst {
 33143  			break
 33144  		}
 33145  		c := v_0.AuxInt
 33146  		x := v.Args[1]
 33147  		v.reset(OpS390XNEGW)
 33148  		v0 := b.NewValue0(v.Pos, OpS390XSUBWconst, v.Type)
 33149  		v0.AuxInt = c
 33150  		v0.AddArg(x)
 33151  		v.AddArg(v0)
 33152  		return true
 33153  	}
 33154  	// match: (SUBW x x)
 33155  	// cond:
 33156  	// result: (MOVDconst [0])
 33157  	for {
 33158  		x := v.Args[0]
 33159  		if x != v.Args[1] {
 33160  			break
 33161  		}
 33162  		v.reset(OpS390XMOVDconst)
 33163  		v.AuxInt = 0
 33164  		return true
 33165  	}
 33166  	// match: (SUBW <t> x g:(MOVWload [off] {sym} ptr mem))
 33167  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 33168  	// result: (SUBWload <t> [off] {sym} x ptr mem)
 33169  	for {
 33170  		t := v.Type
 33171  		x := v.Args[0]
 33172  		g := v.Args[1]
 33173  		if g.Op != OpS390XMOVWload {
 33174  			break
 33175  		}
 33176  		off := g.AuxInt
 33177  		sym := g.Aux
 33178  		ptr := g.Args[0]
 33179  		mem := g.Args[1]
 33180  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 33181  			break
 33182  		}
 33183  		v.reset(OpS390XSUBWload)
 33184  		v.Type = t
 33185  		v.AuxInt = off
 33186  		v.Aux = sym
 33187  		v.AddArg(x)
 33188  		v.AddArg(ptr)
 33189  		v.AddArg(mem)
 33190  		return true
 33191  	}
 33192  	// match: (SUBW <t> x g:(MOVWZload [off] {sym} ptr mem))
 33193  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 33194  	// result: (SUBWload <t> [off] {sym} x ptr mem)
 33195  	for {
 33196  		t := v.Type
 33197  		x := v.Args[0]
 33198  		g := v.Args[1]
 33199  		if g.Op != OpS390XMOVWZload {
 33200  			break
 33201  		}
 33202  		off := g.AuxInt
 33203  		sym := g.Aux
 33204  		ptr := g.Args[0]
 33205  		mem := g.Args[1]
 33206  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 33207  			break
 33208  		}
 33209  		v.reset(OpS390XSUBWload)
 33210  		v.Type = t
 33211  		v.AuxInt = off
 33212  		v.Aux = sym
 33213  		v.AddArg(x)
 33214  		v.AddArg(ptr)
 33215  		v.AddArg(mem)
 33216  		return true
 33217  	}
 33218  	return false
 33219  }
 33220  func rewriteValueS390X_OpS390XSUBWconst(v *Value) bool {
 33221  	// match: (SUBWconst [c] x)
 33222  	// cond: int32(c) == 0
 33223  	// result: x
 33224  	for {
 33225  		c := v.AuxInt
 33226  		x := v.Args[0]
 33227  		if !(int32(c) == 0) {
 33228  			break
 33229  		}
 33230  		v.reset(OpCopy)
 33231  		v.Type = x.Type
 33232  		v.AddArg(x)
 33233  		return true
 33234  	}
 33235  	// match: (SUBWconst [c] x)
 33236  	// cond:
 33237  	// result: (ADDWconst [int64(int32(-c))] x)
 33238  	for {
 33239  		c := v.AuxInt
 33240  		x := v.Args[0]
 33241  		v.reset(OpS390XADDWconst)
 33242  		v.AuxInt = int64(int32(-c))
 33243  		v.AddArg(x)
 33244  		return true
 33245  	}
 33246  }
 33247  func rewriteValueS390X_OpS390XSUBconst(v *Value) bool {
 33248  	// match: (SUBconst [0] x)
 33249  	// cond:
 33250  	// result: x
 33251  	for {
 33252  		if v.AuxInt != 0 {
 33253  			break
 33254  		}
 33255  		x := v.Args[0]
 33256  		v.reset(OpCopy)
 33257  		v.Type = x.Type
 33258  		v.AddArg(x)
 33259  		return true
 33260  	}
 33261  	// match: (SUBconst [c] x)
 33262  	// cond: c != -(1<<31)
 33263  	// result: (ADDconst [-c] x)
 33264  	for {
 33265  		c := v.AuxInt
 33266  		x := v.Args[0]
 33267  		if !(c != -(1 << 31)) {
 33268  			break
 33269  		}
 33270  		v.reset(OpS390XADDconst)
 33271  		v.AuxInt = -c
 33272  		v.AddArg(x)
 33273  		return true
 33274  	}
 33275  	// match: (SUBconst (MOVDconst [d]) [c])
 33276  	// cond:
 33277  	// result: (MOVDconst [d-c])
 33278  	for {
 33279  		c := v.AuxInt
 33280  		v_0 := v.Args[0]
 33281  		if v_0.Op != OpS390XMOVDconst {
 33282  			break
 33283  		}
 33284  		d := v_0.AuxInt
 33285  		v.reset(OpS390XMOVDconst)
 33286  		v.AuxInt = d - c
 33287  		return true
 33288  	}
 33289  	// match: (SUBconst (SUBconst x [d]) [c])
 33290  	// cond: is32Bit(-c-d)
 33291  	// result: (ADDconst [-c-d] x)
 33292  	for {
 33293  		c := v.AuxInt
 33294  		v_0 := v.Args[0]
 33295  		if v_0.Op != OpS390XSUBconst {
 33296  			break
 33297  		}
 33298  		d := v_0.AuxInt
 33299  		x := v_0.Args[0]
 33300  		if !(is32Bit(-c - d)) {
 33301  			break
 33302  		}
 33303  		v.reset(OpS390XADDconst)
 33304  		v.AuxInt = -c - d
 33305  		v.AddArg(x)
 33306  		return true
 33307  	}
 33308  	return false
 33309  }
 33310  func rewriteValueS390X_OpS390XXOR(v *Value) bool {
 33311  	// match: (XOR x (MOVDconst [c]))
 33312  	// cond: isU32Bit(c)
 33313  	// result: (XORconst [c] x)
 33314  	for {
 33315  		x := v.Args[0]
 33316  		v_1 := v.Args[1]
 33317  		if v_1.Op != OpS390XMOVDconst {
 33318  			break
 33319  		}
 33320  		c := v_1.AuxInt
 33321  		if !(isU32Bit(c)) {
 33322  			break
 33323  		}
 33324  		v.reset(OpS390XXORconst)
 33325  		v.AuxInt = c
 33326  		v.AddArg(x)
 33327  		return true
 33328  	}
 33329  	// match: (XOR (MOVDconst [c]) x)
 33330  	// cond: isU32Bit(c)
 33331  	// result: (XORconst [c] x)
 33332  	for {
 33333  		v_0 := v.Args[0]
 33334  		if v_0.Op != OpS390XMOVDconst {
 33335  			break
 33336  		}
 33337  		c := v_0.AuxInt
 33338  		x := v.Args[1]
 33339  		if !(isU32Bit(c)) {
 33340  			break
 33341  		}
 33342  		v.reset(OpS390XXORconst)
 33343  		v.AuxInt = c
 33344  		v.AddArg(x)
 33345  		return true
 33346  	}
 33347  	// match: (XOR (SLDconst x [c]) (SRDconst x [d]))
 33348  	// cond: d == 64-c
 33349  	// result: (RLLGconst [c] x)
 33350  	for {
 33351  		v_0 := v.Args[0]
 33352  		if v_0.Op != OpS390XSLDconst {
 33353  			break
 33354  		}
 33355  		c := v_0.AuxInt
 33356  		x := v_0.Args[0]
 33357  		v_1 := v.Args[1]
 33358  		if v_1.Op != OpS390XSRDconst {
 33359  			break
 33360  		}
 33361  		d := v_1.AuxInt
 33362  		if x != v_1.Args[0] {
 33363  			break
 33364  		}
 33365  		if !(d == 64-c) {
 33366  			break
 33367  		}
 33368  		v.reset(OpS390XRLLGconst)
 33369  		v.AuxInt = c
 33370  		v.AddArg(x)
 33371  		return true
 33372  	}
 33373  	// match: (XOR (SRDconst x [d]) (SLDconst x [c]))
 33374  	// cond: d == 64-c
 33375  	// result: (RLLGconst [c] x)
 33376  	for {
 33377  		v_0 := v.Args[0]
 33378  		if v_0.Op != OpS390XSRDconst {
 33379  			break
 33380  		}
 33381  		d := v_0.AuxInt
 33382  		x := v_0.Args[0]
 33383  		v_1 := v.Args[1]
 33384  		if v_1.Op != OpS390XSLDconst {
 33385  			break
 33386  		}
 33387  		c := v_1.AuxInt
 33388  		if x != v_1.Args[0] {
 33389  			break
 33390  		}
 33391  		if !(d == 64-c) {
 33392  			break
 33393  		}
 33394  		v.reset(OpS390XRLLGconst)
 33395  		v.AuxInt = c
 33396  		v.AddArg(x)
 33397  		return true
 33398  	}
 33399  	// match: (XOR (MOVDconst [c]) (MOVDconst [d]))
 33400  	// cond:
 33401  	// result: (MOVDconst [c^d])
 33402  	for {
 33403  		v_0 := v.Args[0]
 33404  		if v_0.Op != OpS390XMOVDconst {
 33405  			break
 33406  		}
 33407  		c := v_0.AuxInt
 33408  		v_1 := v.Args[1]
 33409  		if v_1.Op != OpS390XMOVDconst {
 33410  			break
 33411  		}
 33412  		d := v_1.AuxInt
 33413  		v.reset(OpS390XMOVDconst)
 33414  		v.AuxInt = c ^ d
 33415  		return true
 33416  	}
 33417  	// match: (XOR (MOVDconst [d]) (MOVDconst [c]))
 33418  	// cond:
 33419  	// result: (MOVDconst [c^d])
 33420  	for {
 33421  		v_0 := v.Args[0]
 33422  		if v_0.Op != OpS390XMOVDconst {
 33423  			break
 33424  		}
 33425  		d := v_0.AuxInt
 33426  		v_1 := v.Args[1]
 33427  		if v_1.Op != OpS390XMOVDconst {
 33428  			break
 33429  		}
 33430  		c := v_1.AuxInt
 33431  		v.reset(OpS390XMOVDconst)
 33432  		v.AuxInt = c ^ d
 33433  		return true
 33434  	}
 33435  	// match: (XOR x x)
 33436  	// cond:
 33437  	// result: (MOVDconst [0])
 33438  	for {
 33439  		x := v.Args[0]
 33440  		if x != v.Args[1] {
 33441  			break
 33442  		}
 33443  		v.reset(OpS390XMOVDconst)
 33444  		v.AuxInt = 0
 33445  		return true
 33446  	}
 33447  	// match: (XOR <t> x g:(MOVDload [off] {sym} ptr mem))
 33448  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 33449  	// result: (XORload <t> [off] {sym} x ptr mem)
 33450  	for {
 33451  		t := v.Type
 33452  		x := v.Args[0]
 33453  		g := v.Args[1]
 33454  		if g.Op != OpS390XMOVDload {
 33455  			break
 33456  		}
 33457  		off := g.AuxInt
 33458  		sym := g.Aux
 33459  		ptr := g.Args[0]
 33460  		mem := g.Args[1]
 33461  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 33462  			break
 33463  		}
 33464  		v.reset(OpS390XXORload)
 33465  		v.Type = t
 33466  		v.AuxInt = off
 33467  		v.Aux = sym
 33468  		v.AddArg(x)
 33469  		v.AddArg(ptr)
 33470  		v.AddArg(mem)
 33471  		return true
 33472  	}
 33473  	// match: (XOR <t> g:(MOVDload [off] {sym} ptr mem) x)
 33474  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 33475  	// result: (XORload <t> [off] {sym} x ptr mem)
 33476  	for {
 33477  		t := v.Type
 33478  		g := v.Args[0]
 33479  		if g.Op != OpS390XMOVDload {
 33480  			break
 33481  		}
 33482  		off := g.AuxInt
 33483  		sym := g.Aux
 33484  		ptr := g.Args[0]
 33485  		mem := g.Args[1]
 33486  		x := v.Args[1]
 33487  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 33488  			break
 33489  		}
 33490  		v.reset(OpS390XXORload)
 33491  		v.Type = t
 33492  		v.AuxInt = off
 33493  		v.Aux = sym
 33494  		v.AddArg(x)
 33495  		v.AddArg(ptr)
 33496  		v.AddArg(mem)
 33497  		return true
 33498  	}
 33499  	// match: (XOR <t> g:(MOVDload [off] {sym} ptr mem) x)
 33500  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 33501  	// result: (XORload <t> [off] {sym} x ptr mem)
 33502  	for {
 33503  		t := v.Type
 33504  		g := v.Args[0]
 33505  		if g.Op != OpS390XMOVDload {
 33506  			break
 33507  		}
 33508  		off := g.AuxInt
 33509  		sym := g.Aux
 33510  		ptr := g.Args[0]
 33511  		mem := g.Args[1]
 33512  		x := v.Args[1]
 33513  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 33514  			break
 33515  		}
 33516  		v.reset(OpS390XXORload)
 33517  		v.Type = t
 33518  		v.AuxInt = off
 33519  		v.Aux = sym
 33520  		v.AddArg(x)
 33521  		v.AddArg(ptr)
 33522  		v.AddArg(mem)
 33523  		return true
 33524  	}
 33525  	// match: (XOR <t> x g:(MOVDload [off] {sym} ptr mem))
 33526  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 33527  	// result: (XORload <t> [off] {sym} x ptr mem)
 33528  	for {
 33529  		t := v.Type
 33530  		x := v.Args[0]
 33531  		g := v.Args[1]
 33532  		if g.Op != OpS390XMOVDload {
 33533  			break
 33534  		}
 33535  		off := g.AuxInt
 33536  		sym := g.Aux
 33537  		ptr := g.Args[0]
 33538  		mem := g.Args[1]
 33539  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 33540  			break
 33541  		}
 33542  		v.reset(OpS390XXORload)
 33543  		v.Type = t
 33544  		v.AuxInt = off
 33545  		v.Aux = sym
 33546  		v.AddArg(x)
 33547  		v.AddArg(ptr)
 33548  		v.AddArg(mem)
 33549  		return true
 33550  	}
 33551  	return false
 33552  }
 33553  func rewriteValueS390X_OpS390XXORW(v *Value) bool {
 33554  	// match: (XORW x (MOVDconst [c]))
 33555  	// cond:
 33556  	// result: (XORWconst [c] x)
 33557  	for {
 33558  		x := v.Args[0]
 33559  		v_1 := v.Args[1]
 33560  		if v_1.Op != OpS390XMOVDconst {
 33561  			break
 33562  		}
 33563  		c := v_1.AuxInt
 33564  		v.reset(OpS390XXORWconst)
 33565  		v.AuxInt = c
 33566  		v.AddArg(x)
 33567  		return true
 33568  	}
 33569  	// match: (XORW (MOVDconst [c]) x)
 33570  	// cond:
 33571  	// result: (XORWconst [c] x)
 33572  	for {
 33573  		v_0 := v.Args[0]
 33574  		if v_0.Op != OpS390XMOVDconst {
 33575  			break
 33576  		}
 33577  		c := v_0.AuxInt
 33578  		x := v.Args[1]
 33579  		v.reset(OpS390XXORWconst)
 33580  		v.AuxInt = c
 33581  		v.AddArg(x)
 33582  		return true
 33583  	}
 33584  	// match: (XORW (SLWconst x [c]) (SRWconst x [d]))
 33585  	// cond: d == 32-c
 33586  	// result: (RLLconst [c] x)
 33587  	for {
 33588  		v_0 := v.Args[0]
 33589  		if v_0.Op != OpS390XSLWconst {
 33590  			break
 33591  		}
 33592  		c := v_0.AuxInt
 33593  		x := v_0.Args[0]
 33594  		v_1 := v.Args[1]
 33595  		if v_1.Op != OpS390XSRWconst {
 33596  			break
 33597  		}
 33598  		d := v_1.AuxInt
 33599  		if x != v_1.Args[0] {
 33600  			break
 33601  		}
 33602  		if !(d == 32-c) {
 33603  			break
 33604  		}
 33605  		v.reset(OpS390XRLLconst)
 33606  		v.AuxInt = c
 33607  		v.AddArg(x)
 33608  		return true
 33609  	}
 33610  	// match: (XORW (SRWconst x [d]) (SLWconst x [c]))
 33611  	// cond: d == 32-c
 33612  	// result: (RLLconst [c] x)
 33613  	for {
 33614  		v_0 := v.Args[0]
 33615  		if v_0.Op != OpS390XSRWconst {
 33616  			break
 33617  		}
 33618  		d := v_0.AuxInt
 33619  		x := v_0.Args[0]
 33620  		v_1 := v.Args[1]
 33621  		if v_1.Op != OpS390XSLWconst {
 33622  			break
 33623  		}
 33624  		c := v_1.AuxInt
 33625  		if x != v_1.Args[0] {
 33626  			break
 33627  		}
 33628  		if !(d == 32-c) {
 33629  			break
 33630  		}
 33631  		v.reset(OpS390XRLLconst)
 33632  		v.AuxInt = c
 33633  		v.AddArg(x)
 33634  		return true
 33635  	}
 33636  	// match: (XORW x x)
 33637  	// cond:
 33638  	// result: (MOVDconst [0])
 33639  	for {
 33640  		x := v.Args[0]
 33641  		if x != v.Args[1] {
 33642  			break
 33643  		}
 33644  		v.reset(OpS390XMOVDconst)
 33645  		v.AuxInt = 0
 33646  		return true
 33647  	}
 33648  	// match: (XORW <t> x g:(MOVWload [off] {sym} ptr mem))
 33649  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 33650  	// result: (XORWload <t> [off] {sym} x ptr mem)
 33651  	for {
 33652  		t := v.Type
 33653  		x := v.Args[0]
 33654  		g := v.Args[1]
 33655  		if g.Op != OpS390XMOVWload {
 33656  			break
 33657  		}
 33658  		off := g.AuxInt
 33659  		sym := g.Aux
 33660  		ptr := g.Args[0]
 33661  		mem := g.Args[1]
 33662  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 33663  			break
 33664  		}
 33665  		v.reset(OpS390XXORWload)
 33666  		v.Type = t
 33667  		v.AuxInt = off
 33668  		v.Aux = sym
 33669  		v.AddArg(x)
 33670  		v.AddArg(ptr)
 33671  		v.AddArg(mem)
 33672  		return true
 33673  	}
 33674  	// match: (XORW <t> g:(MOVWload [off] {sym} ptr mem) x)
 33675  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 33676  	// result: (XORWload <t> [off] {sym} x ptr mem)
 33677  	for {
 33678  		t := v.Type
 33679  		g := v.Args[0]
 33680  		if g.Op != OpS390XMOVWload {
 33681  			break
 33682  		}
 33683  		off := g.AuxInt
 33684  		sym := g.Aux
 33685  		ptr := g.Args[0]
 33686  		mem := g.Args[1]
 33687  		x := v.Args[1]
 33688  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 33689  			break
 33690  		}
 33691  		v.reset(OpS390XXORWload)
 33692  		v.Type = t
 33693  		v.AuxInt = off
 33694  		v.Aux = sym
 33695  		v.AddArg(x)
 33696  		v.AddArg(ptr)
 33697  		v.AddArg(mem)
 33698  		return true
 33699  	}
 33700  	// match: (XORW <t> g:(MOVWload [off] {sym} ptr mem) x)
 33701  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 33702  	// result: (XORWload <t> [off] {sym} x ptr mem)
 33703  	for {
 33704  		t := v.Type
 33705  		g := v.Args[0]
 33706  		if g.Op != OpS390XMOVWload {
 33707  			break
 33708  		}
 33709  		off := g.AuxInt
 33710  		sym := g.Aux
 33711  		ptr := g.Args[0]
 33712  		mem := g.Args[1]
 33713  		x := v.Args[1]
 33714  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 33715  			break
 33716  		}
 33717  		v.reset(OpS390XXORWload)
 33718  		v.Type = t
 33719  		v.AuxInt = off
 33720  		v.Aux = sym
 33721  		v.AddArg(x)
 33722  		v.AddArg(ptr)
 33723  		v.AddArg(mem)
 33724  		return true
 33725  	}
 33726  	// match: (XORW <t> x g:(MOVWload [off] {sym} ptr mem))
 33727  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 33728  	// result: (XORWload <t> [off] {sym} x ptr mem)
 33729  	for {
 33730  		t := v.Type
 33731  		x := v.Args[0]
 33732  		g := v.Args[1]
 33733  		if g.Op != OpS390XMOVWload {
 33734  			break
 33735  		}
 33736  		off := g.AuxInt
 33737  		sym := g.Aux
 33738  		ptr := g.Args[0]
 33739  		mem := g.Args[1]
 33740  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 33741  			break
 33742  		}
 33743  		v.reset(OpS390XXORWload)
 33744  		v.Type = t
 33745  		v.AuxInt = off
 33746  		v.Aux = sym
 33747  		v.AddArg(x)
 33748  		v.AddArg(ptr)
 33749  		v.AddArg(mem)
 33750  		return true
 33751  	}
 33752  	// match: (XORW <t> x g:(MOVWZload [off] {sym} ptr mem))
 33753  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 33754  	// result: (XORWload <t> [off] {sym} x ptr mem)
 33755  	for {
 33756  		t := v.Type
 33757  		x := v.Args[0]
 33758  		g := v.Args[1]
 33759  		if g.Op != OpS390XMOVWZload {
 33760  			break
 33761  		}
 33762  		off := g.AuxInt
 33763  		sym := g.Aux
 33764  		ptr := g.Args[0]
 33765  		mem := g.Args[1]
 33766  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 33767  			break
 33768  		}
 33769  		v.reset(OpS390XXORWload)
 33770  		v.Type = t
 33771  		v.AuxInt = off
 33772  		v.Aux = sym
 33773  		v.AddArg(x)
 33774  		v.AddArg(ptr)
 33775  		v.AddArg(mem)
 33776  		return true
 33777  	}
 33778  	// match: (XORW <t> g:(MOVWZload [off] {sym} ptr mem) x)
 33779  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 33780  	// result: (XORWload <t> [off] {sym} x ptr mem)
 33781  	for {
 33782  		t := v.Type
 33783  		g := v.Args[0]
 33784  		if g.Op != OpS390XMOVWZload {
 33785  			break
 33786  		}
 33787  		off := g.AuxInt
 33788  		sym := g.Aux
 33789  		ptr := g.Args[0]
 33790  		mem := g.Args[1]
 33791  		x := v.Args[1]
 33792  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 33793  			break
 33794  		}
 33795  		v.reset(OpS390XXORWload)
 33796  		v.Type = t
 33797  		v.AuxInt = off
 33798  		v.Aux = sym
 33799  		v.AddArg(x)
 33800  		v.AddArg(ptr)
 33801  		v.AddArg(mem)
 33802  		return true
 33803  	}
 33804  	// match: (XORW <t> g:(MOVWZload [off] {sym} ptr mem) x)
 33805  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 33806  	// result: (XORWload <t> [off] {sym} x ptr mem)
 33807  	for {
 33808  		t := v.Type
 33809  		g := v.Args[0]
 33810  		if g.Op != OpS390XMOVWZload {
 33811  			break
 33812  		}
 33813  		off := g.AuxInt
 33814  		sym := g.Aux
 33815  		ptr := g.Args[0]
 33816  		mem := g.Args[1]
 33817  		x := v.Args[1]
 33818  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 33819  			break
 33820  		}
 33821  		v.reset(OpS390XXORWload)
 33822  		v.Type = t
 33823  		v.AuxInt = off
 33824  		v.Aux = sym
 33825  		v.AddArg(x)
 33826  		v.AddArg(ptr)
 33827  		v.AddArg(mem)
 33828  		return true
 33829  	}
 33830  	// match: (XORW <t> x g:(MOVWZload [off] {sym} ptr mem))
 33831  	// cond: ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
 33832  	// result: (XORWload <t> [off] {sym} x ptr mem)
 33833  	for {
 33834  		t := v.Type
 33835  		x := v.Args[0]
 33836  		g := v.Args[1]
 33837  		if g.Op != OpS390XMOVWZload {
 33838  			break
 33839  		}
 33840  		off := g.AuxInt
 33841  		sym := g.Aux
 33842  		ptr := g.Args[0]
 33843  		mem := g.Args[1]
 33844  		if !(ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)) {
 33845  			break
 33846  		}
 33847  		v.reset(OpS390XXORWload)
 33848  		v.Type = t
 33849  		v.AuxInt = off
 33850  		v.Aux = sym
 33851  		v.AddArg(x)
 33852  		v.AddArg(ptr)
 33853  		v.AddArg(mem)
 33854  		return true
 33855  	}
 33856  	return false
 33857  }
 33858  func rewriteValueS390X_OpS390XXORWconst(v *Value) bool {
 33859  	// match: (XORWconst [c] x)
 33860  	// cond: int32(c)==0
 33861  	// result: x
 33862  	for {
 33863  		c := v.AuxInt
 33864  		x := v.Args[0]
 33865  		if !(int32(c) == 0) {
 33866  			break
 33867  		}
 33868  		v.reset(OpCopy)
 33869  		v.Type = x.Type
 33870  		v.AddArg(x)
 33871  		return true
 33872  	}
 33873  	// match: (XORWconst [c] (MOVDconst [d]))
 33874  	// cond:
 33875  	// result: (MOVDconst [c^d])
 33876  	for {
 33877  		c := v.AuxInt
 33878  		v_0 := v.Args[0]
 33879  		if v_0.Op != OpS390XMOVDconst {
 33880  			break
 33881  		}
 33882  		d := v_0.AuxInt
 33883  		v.reset(OpS390XMOVDconst)
 33884  		v.AuxInt = c ^ d
 33885  		return true
 33886  	}
 33887  	return false
 33888  }
 33889  func rewriteValueS390X_OpS390XXORconst(v *Value) bool {
 33890  	// match: (XORconst [0] x)
 33891  	// cond:
 33892  	// result: x
 33893  	for {
 33894  		if v.AuxInt != 0 {
 33895  			break
 33896  		}
 33897  		x := v.Args[0]
 33898  		v.reset(OpCopy)
 33899  		v.Type = x.Type
 33900  		v.AddArg(x)
 33901  		return true
 33902  	}
 33903  	// match: (XORconst [c] (MOVDconst [d]))
 33904  	// cond:
 33905  	// result: (MOVDconst [c^d])
 33906  	for {
 33907  		c := v.AuxInt
 33908  		v_0 := v.Args[0]
 33909  		if v_0.Op != OpS390XMOVDconst {
 33910  			break
 33911  		}
 33912  		d := v_0.AuxInt
 33913  		v.reset(OpS390XMOVDconst)
 33914  		v.AuxInt = c ^ d
 33915  		return true
 33916  	}
 33917  	return false
 33918  }
 33919  func rewriteValueS390X_OpSelect0(v *Value) bool {
 33920  	b := v.Block
 33921  	_ = b
 33922  	// match: (Select0 <t> (AddTupleFirst32 tuple val))
 33923  	// cond:
 33924  	// result: (ADDW val (Select0 <t> tuple))
 33925  	for {
 33926  		t := v.Type
 33927  		v_0 := v.Args[0]
 33928  		if v_0.Op != OpS390XAddTupleFirst32 {
 33929  			break
 33930  		}
 33931  		tuple := v_0.Args[0]
 33932  		val := v_0.Args[1]
 33933  		v.reset(OpS390XADDW)
 33934  		v.AddArg(val)
 33935  		v0 := b.NewValue0(v.Pos, OpSelect0, t)
 33936  		v0.AddArg(tuple)
 33937  		v.AddArg(v0)
 33938  		return true
 33939  	}
 33940  	// match: (Select0 <t> (AddTupleFirst64 tuple val))
 33941  	// cond:
 33942  	// result: (ADD val (Select0 <t> tuple))
 33943  	for {
 33944  		t := v.Type
 33945  		v_0 := v.Args[0]
 33946  		if v_0.Op != OpS390XAddTupleFirst64 {
 33947  			break
 33948  		}
 33949  		tuple := v_0.Args[0]
 33950  		val := v_0.Args[1]
 33951  		v.reset(OpS390XADD)
 33952  		v.AddArg(val)
 33953  		v0 := b.NewValue0(v.Pos, OpSelect0, t)
 33954  		v0.AddArg(tuple)
 33955  		v.AddArg(v0)
 33956  		return true
 33957  	}
 33958  	return false
 33959  }
 33960  func rewriteValueS390X_OpSelect1(v *Value) bool {
 33961  	// match: (Select1 (AddTupleFirst32 tuple _))
 33962  	// cond:
 33963  	// result: (Select1 tuple)
 33964  	for {
 33965  		v_0 := v.Args[0]
 33966  		if v_0.Op != OpS390XAddTupleFirst32 {
 33967  			break
 33968  		}
 33969  		tuple := v_0.Args[0]
 33970  		v.reset(OpSelect1)
 33971  		v.AddArg(tuple)
 33972  		return true
 33973  	}
 33974  	// match: (Select1 (AddTupleFirst64 tuple _))
 33975  	// cond:
 33976  	// result: (Select1 tuple)
 33977  	for {
 33978  		v_0 := v.Args[0]
 33979  		if v_0.Op != OpS390XAddTupleFirst64 {
 33980  			break
 33981  		}
 33982  		tuple := v_0.Args[0]
 33983  		v.reset(OpSelect1)
 33984  		v.AddArg(tuple)
 33985  		return true
 33986  	}
 33987  	return false
 33988  }
 33989  func rewriteValueS390X_OpSignExt16to32(v *Value) bool {
 33990  	// match: (SignExt16to32 x)
 33991  	// cond:
 33992  	// result: (MOVHreg x)
 33993  	for {
 33994  		x := v.Args[0]
 33995  		v.reset(OpS390XMOVHreg)
 33996  		v.AddArg(x)
 33997  		return true
 33998  	}
 33999  }
 34000  func rewriteValueS390X_OpSignExt16to64(v *Value) bool {
 34001  	// match: (SignExt16to64 x)
 34002  	// cond:
 34003  	// result: (MOVHreg x)
 34004  	for {
 34005  		x := v.Args[0]
 34006  		v.reset(OpS390XMOVHreg)
 34007  		v.AddArg(x)
 34008  		return true
 34009  	}
 34010  }
 34011  func rewriteValueS390X_OpSignExt32to64(v *Value) bool {
 34012  	// match: (SignExt32to64 x)
 34013  	// cond:
 34014  	// result: (MOVWreg x)
 34015  	for {
 34016  		x := v.Args[0]
 34017  		v.reset(OpS390XMOVWreg)
 34018  		v.AddArg(x)
 34019  		return true
 34020  	}
 34021  }
 34022  func rewriteValueS390X_OpSignExt8to16(v *Value) bool {
 34023  	// match: (SignExt8to16 x)
 34024  	// cond:
 34025  	// result: (MOVBreg x)
 34026  	for {
 34027  		x := v.Args[0]
 34028  		v.reset(OpS390XMOVBreg)
 34029  		v.AddArg(x)
 34030  		return true
 34031  	}
 34032  }
 34033  func rewriteValueS390X_OpSignExt8to32(v *Value) bool {
 34034  	// match: (SignExt8to32 x)
 34035  	// cond:
 34036  	// result: (MOVBreg x)
 34037  	for {
 34038  		x := v.Args[0]
 34039  		v.reset(OpS390XMOVBreg)
 34040  		v.AddArg(x)
 34041  		return true
 34042  	}
 34043  }
 34044  func rewriteValueS390X_OpSignExt8to64(v *Value) bool {
 34045  	// match: (SignExt8to64 x)
 34046  	// cond:
 34047  	// result: (MOVBreg x)
 34048  	for {
 34049  		x := v.Args[0]
 34050  		v.reset(OpS390XMOVBreg)
 34051  		v.AddArg(x)
 34052  		return true
 34053  	}
 34054  }
 34055  func rewriteValueS390X_OpSlicemask(v *Value) bool {
 34056  	b := v.Block
 34057  	_ = b
 34058  	// match: (Slicemask <t> x)
 34059  	// cond:
 34060  	// result: (SRADconst (NEG <t> x) [63])
 34061  	for {
 34062  		t := v.Type
 34063  		x := v.Args[0]
 34064  		v.reset(OpS390XSRADconst)
 34065  		v.AuxInt = 63
 34066  		v0 := b.NewValue0(v.Pos, OpS390XNEG, t)
 34067  		v0.AddArg(x)
 34068  		v.AddArg(v0)
 34069  		return true
 34070  	}
 34071  }
 34072  func rewriteValueS390X_OpSqrt(v *Value) bool {
 34073  	// match: (Sqrt x)
 34074  	// cond:
 34075  	// result: (FSQRT x)
 34076  	for {
 34077  		x := v.Args[0]
 34078  		v.reset(OpS390XFSQRT)
 34079  		v.AddArg(x)
 34080  		return true
 34081  	}
 34082  }
 34083  func rewriteValueS390X_OpStaticCall(v *Value) bool {
 34084  	// match: (StaticCall [argwid] {target} mem)
 34085  	// cond:
 34086  	// result: (CALLstatic [argwid] {target} mem)
 34087  	for {
 34088  		argwid := v.AuxInt
 34089  		target := v.Aux
 34090  		mem := v.Args[0]
 34091  		v.reset(OpS390XCALLstatic)
 34092  		v.AuxInt = argwid
 34093  		v.Aux = target
 34094  		v.AddArg(mem)
 34095  		return true
 34096  	}
 34097  }
 34098  func rewriteValueS390X_OpStore(v *Value) bool {
 34099  	// match: (Store {t} ptr val mem)
 34100  	// cond: t.(Type).Size() == 8 && is64BitFloat(val.Type)
 34101  	// result: (FMOVDstore ptr val mem)
 34102  	for {
 34103  		t := v.Aux
 34104  		ptr := v.Args[0]
 34105  		val := v.Args[1]
 34106  		mem := v.Args[2]
 34107  		if !(t.(Type).Size() == 8 && is64BitFloat(val.Type)) {
 34108  			break
 34109  		}
 34110  		v.reset(OpS390XFMOVDstore)
 34111  		v.AddArg(ptr)
 34112  		v.AddArg(val)
 34113  		v.AddArg(mem)
 34114  		return true
 34115  	}
 34116  	// match: (Store {t} ptr val mem)
 34117  	// cond: t.(Type).Size() == 4 && is32BitFloat(val.Type)
 34118  	// result: (FMOVSstore ptr val mem)
 34119  	for {
 34120  		t := v.Aux
 34121  		ptr := v.Args[0]
 34122  		val := v.Args[1]
 34123  		mem := v.Args[2]
 34124  		if !(t.(Type).Size() == 4 && is32BitFloat(val.Type)) {
 34125  			break
 34126  		}
 34127  		v.reset(OpS390XFMOVSstore)
 34128  		v.AddArg(ptr)
 34129  		v.AddArg(val)
 34130  		v.AddArg(mem)
 34131  		return true
 34132  	}
 34133  	// match: (Store {t} ptr val mem)
 34134  	// cond: t.(Type).Size() == 8
 34135  	// result: (MOVDstore ptr val mem)
 34136  	for {
 34137  		t := v.Aux
 34138  		ptr := v.Args[0]
 34139  		val := v.Args[1]
 34140  		mem := v.Args[2]
 34141  		if !(t.(Type).Size() == 8) {
 34142  			break
 34143  		}
 34144  		v.reset(OpS390XMOVDstore)
 34145  		v.AddArg(ptr)
 34146  		v.AddArg(val)
 34147  		v.AddArg(mem)
 34148  		return true
 34149  	}
 34150  	// match: (Store {t} ptr val mem)
 34151  	// cond: t.(Type).Size() == 4
 34152  	// result: (MOVWstore ptr val mem)
 34153  	for {
 34154  		t := v.Aux
 34155  		ptr := v.Args[0]
 34156  		val := v.Args[1]
 34157  		mem := v.Args[2]
 34158  		if !(t.(Type).Size() == 4) {
 34159  			break
 34160  		}
 34161  		v.reset(OpS390XMOVWstore)
 34162  		v.AddArg(ptr)
 34163  		v.AddArg(val)
 34164  		v.AddArg(mem)
 34165  		return true
 34166  	}
 34167  	// match: (Store {t} ptr val mem)
 34168  	// cond: t.(Type).Size() == 2
 34169  	// result: (MOVHstore ptr val mem)
 34170  	for {
 34171  		t := v.Aux
 34172  		ptr := v.Args[0]
 34173  		val := v.Args[1]
 34174  		mem := v.Args[2]
 34175  		if !(t.(Type).Size() == 2) {
 34176  			break
 34177  		}
 34178  		v.reset(OpS390XMOVHstore)
 34179  		v.AddArg(ptr)
 34180  		v.AddArg(val)
 34181  		v.AddArg(mem)
 34182  		return true
 34183  	}
 34184  	// match: (Store {t} ptr val mem)
 34185  	// cond: t.(Type).Size() == 1
 34186  	// result: (MOVBstore ptr val mem)
 34187  	for {
 34188  		t := v.Aux
 34189  		ptr := v.Args[0]
 34190  		val := v.Args[1]
 34191  		mem := v.Args[2]
 34192  		if !(t.(Type).Size() == 1) {
 34193  			break
 34194  		}
 34195  		v.reset(OpS390XMOVBstore)
 34196  		v.AddArg(ptr)
 34197  		v.AddArg(val)
 34198  		v.AddArg(mem)
 34199  		return true
 34200  	}
 34201  	return false
 34202  }
 34203  func rewriteValueS390X_OpSub16(v *Value) bool {
 34204  	// match: (Sub16 x y)
 34205  	// cond:
 34206  	// result: (SUBW  x y)
 34207  	for {
 34208  		x := v.Args[0]
 34209  		y := v.Args[1]
 34210  		v.reset(OpS390XSUBW)
 34211  		v.AddArg(x)
 34212  		v.AddArg(y)
 34213  		return true
 34214  	}
 34215  }
 34216  func rewriteValueS390X_OpSub32(v *Value) bool {
 34217  	// match: (Sub32 x y)
 34218  	// cond:
 34219  	// result: (SUBW  x y)
 34220  	for {
 34221  		x := v.Args[0]
 34222  		y := v.Args[1]
 34223  		v.reset(OpS390XSUBW)
 34224  		v.AddArg(x)
 34225  		v.AddArg(y)
 34226  		return true
 34227  	}
 34228  }
 34229  func rewriteValueS390X_OpSub32F(v *Value) bool {
 34230  	// match: (Sub32F x y)
 34231  	// cond:
 34232  	// result: (FSUBS x y)
 34233  	for {
 34234  		x := v.Args[0]
 34235  		y := v.Args[1]
 34236  		v.reset(OpS390XFSUBS)
 34237  		v.AddArg(x)
 34238  		v.AddArg(y)
 34239  		return true
 34240  	}
 34241  }
 34242  func rewriteValueS390X_OpSub64(v *Value) bool {
 34243  	// match: (Sub64 x y)
 34244  	// cond:
 34245  	// result: (SUB  x y)
 34246  	for {
 34247  		x := v.Args[0]
 34248  		y := v.Args[1]
 34249  		v.reset(OpS390XSUB)
 34250  		v.AddArg(x)
 34251  		v.AddArg(y)
 34252  		return true
 34253  	}
 34254  }
 34255  func rewriteValueS390X_OpSub64F(v *Value) bool {
 34256  	// match: (Sub64F x y)
 34257  	// cond:
 34258  	// result: (FSUB x y)
 34259  	for {
 34260  		x := v.Args[0]
 34261  		y := v.Args[1]
 34262  		v.reset(OpS390XFSUB)
 34263  		v.AddArg(x)
 34264  		v.AddArg(y)
 34265  		return true
 34266  	}
 34267  }
 34268  func rewriteValueS390X_OpSub8(v *Value) bool {
 34269  	// match: (Sub8 x y)
 34270  	// cond:
 34271  	// result: (SUBW  x y)
 34272  	for {
 34273  		x := v.Args[0]
 34274  		y := v.Args[1]
 34275  		v.reset(OpS390XSUBW)
 34276  		v.AddArg(x)
 34277  		v.AddArg(y)
 34278  		return true
 34279  	}
 34280  }
 34281  func rewriteValueS390X_OpSubPtr(v *Value) bool {
 34282  	// match: (SubPtr x y)
 34283  	// cond:
 34284  	// result: (SUB  x y)
 34285  	for {
 34286  		x := v.Args[0]
 34287  		y := v.Args[1]
 34288  		v.reset(OpS390XSUB)
 34289  		v.AddArg(x)
 34290  		v.AddArg(y)
 34291  		return true
 34292  	}
 34293  }
 34294  func rewriteValueS390X_OpTrunc16to8(v *Value) bool {
 34295  	// match: (Trunc16to8 x)
 34296  	// cond:
 34297  	// result: x
 34298  	for {
 34299  		x := v.Args[0]
 34300  		v.reset(OpCopy)
 34301  		v.Type = x.Type
 34302  		v.AddArg(x)
 34303  		return true
 34304  	}
 34305  }
 34306  func rewriteValueS390X_OpTrunc32to16(v *Value) bool {
 34307  	// match: (Trunc32to16 x)
 34308  	// cond:
 34309  	// result: x
 34310  	for {
 34311  		x := v.Args[0]
 34312  		v.reset(OpCopy)
 34313  		v.Type = x.Type
 34314  		v.AddArg(x)
 34315  		return true
 34316  	}
 34317  }
 34318  func rewriteValueS390X_OpTrunc32to8(v *Value) bool {
 34319  	// match: (Trunc32to8 x)
 34320  	// cond:
 34321  	// result: x
 34322  	for {
 34323  		x := v.Args[0]
 34324  		v.reset(OpCopy)
 34325  		v.Type = x.Type
 34326  		v.AddArg(x)
 34327  		return true
 34328  	}
 34329  }
 34330  func rewriteValueS390X_OpTrunc64to16(v *Value) bool {
 34331  	// match: (Trunc64to16 x)
 34332  	// cond:
 34333  	// result: x
 34334  	for {
 34335  		x := v.Args[0]
 34336  		v.reset(OpCopy)
 34337  		v.Type = x.Type
 34338  		v.AddArg(x)
 34339  		return true
 34340  	}
 34341  }
 34342  func rewriteValueS390X_OpTrunc64to32(v *Value) bool {
 34343  	// match: (Trunc64to32 x)
 34344  	// cond:
 34345  	// result: x
 34346  	for {
 34347  		x := v.Args[0]
 34348  		v.reset(OpCopy)
 34349  		v.Type = x.Type
 34350  		v.AddArg(x)
 34351  		return true
 34352  	}
 34353  }
 34354  func rewriteValueS390X_OpTrunc64to8(v *Value) bool {
 34355  	// match: (Trunc64to8 x)
 34356  	// cond:
 34357  	// result: x
 34358  	for {
 34359  		x := v.Args[0]
 34360  		v.reset(OpCopy)
 34361  		v.Type = x.Type
 34362  		v.AddArg(x)
 34363  		return true
 34364  	}
 34365  }
 34366  func rewriteValueS390X_OpXor16(v *Value) bool {
 34367  	// match: (Xor16 x y)
 34368  	// cond:
 34369  	// result: (XORW x y)
 34370  	for {
 34371  		x := v.Args[0]
 34372  		y := v.Args[1]
 34373  		v.reset(OpS390XXORW)
 34374  		v.AddArg(x)
 34375  		v.AddArg(y)
 34376  		return true
 34377  	}
 34378  }
 34379  func rewriteValueS390X_OpXor32(v *Value) bool {
 34380  	// match: (Xor32 x y)
 34381  	// cond:
 34382  	// result: (XORW x y)
 34383  	for {
 34384  		x := v.Args[0]
 34385  		y := v.Args[1]
 34386  		v.reset(OpS390XXORW)
 34387  		v.AddArg(x)
 34388  		v.AddArg(y)
 34389  		return true
 34390  	}
 34391  }
 34392  func rewriteValueS390X_OpXor64(v *Value) bool {
 34393  	// match: (Xor64 x y)
 34394  	// cond:
 34395  	// result: (XOR x y)
 34396  	for {
 34397  		x := v.Args[0]
 34398  		y := v.Args[1]
 34399  		v.reset(OpS390XXOR)
 34400  		v.AddArg(x)
 34401  		v.AddArg(y)
 34402  		return true
 34403  	}
 34404  }
 34405  func rewriteValueS390X_OpXor8(v *Value) bool {
 34406  	// match: (Xor8 x y)
 34407  	// cond:
 34408  	// result: (XORW x y)
 34409  	for {
 34410  		x := v.Args[0]
 34411  		y := v.Args[1]
 34412  		v.reset(OpS390XXORW)
 34413  		v.AddArg(x)
 34414  		v.AddArg(y)
 34415  		return true
 34416  	}
 34417  }
 34418  func rewriteValueS390X_OpZero(v *Value) bool {
 34419  	b := v.Block
 34420  	_ = b
 34421  	// match: (Zero [0] _ mem)
 34422  	// cond:
 34423  	// result: mem
 34424  	for {
 34425  		if v.AuxInt != 0 {
 34426  			break
 34427  		}
 34428  		mem := v.Args[1]
 34429  		v.reset(OpCopy)
 34430  		v.Type = mem.Type
 34431  		v.AddArg(mem)
 34432  		return true
 34433  	}
 34434  	// match: (Zero [1] destptr mem)
 34435  	// cond:
 34436  	// result: (MOVBstoreconst [0] destptr mem)
 34437  	for {
 34438  		if v.AuxInt != 1 {
 34439  			break
 34440  		}
 34441  		destptr := v.Args[0]
 34442  		mem := v.Args[1]
 34443  		v.reset(OpS390XMOVBstoreconst)
 34444  		v.AuxInt = 0
 34445  		v.AddArg(destptr)
 34446  		v.AddArg(mem)
 34447  		return true
 34448  	}
 34449  	// match: (Zero [2] destptr mem)
 34450  	// cond:
 34451  	// result: (MOVHstoreconst [0] destptr mem)
 34452  	for {
 34453  		if v.AuxInt != 2 {
 34454  			break
 34455  		}
 34456  		destptr := v.Args[0]
 34457  		mem := v.Args[1]
 34458  		v.reset(OpS390XMOVHstoreconst)
 34459  		v.AuxInt = 0
 34460  		v.AddArg(destptr)
 34461  		v.AddArg(mem)
 34462  		return true
 34463  	}
 34464  	// match: (Zero [4] destptr mem)
 34465  	// cond:
 34466  	// result: (MOVWstoreconst [0] destptr mem)
 34467  	for {
 34468  		if v.AuxInt != 4 {
 34469  			break
 34470  		}
 34471  		destptr := v.Args[0]
 34472  		mem := v.Args[1]
 34473  		v.reset(OpS390XMOVWstoreconst)
 34474  		v.AuxInt = 0
 34475  		v.AddArg(destptr)
 34476  		v.AddArg(mem)
 34477  		return true
 34478  	}
 34479  	// match: (Zero [8] destptr mem)
 34480  	// cond:
 34481  	// result: (MOVDstoreconst [0] destptr mem)
 34482  	for {
 34483  		if v.AuxInt != 8 {
 34484  			break
 34485  		}
 34486  		destptr := v.Args[0]
 34487  		mem := v.Args[1]
 34488  		v.reset(OpS390XMOVDstoreconst)
 34489  		v.AuxInt = 0
 34490  		v.AddArg(destptr)
 34491  		v.AddArg(mem)
 34492  		return true
 34493  	}
 34494  	// match: (Zero [3] destptr mem)
 34495  	// cond:
 34496  	// result: (MOVBstoreconst [makeValAndOff(0,2)] destptr 		(MOVHstoreconst [0] destptr mem))
 34497  	for {
 34498  		if v.AuxInt != 3 {
 34499  			break
 34500  		}
 34501  		destptr := v.Args[0]
 34502  		mem := v.Args[1]
 34503  		v.reset(OpS390XMOVBstoreconst)
 34504  		v.AuxInt = makeValAndOff(0, 2)
 34505  		v.AddArg(destptr)
 34506  		v0 := b.NewValue0(v.Pos, OpS390XMOVHstoreconst, TypeMem)
 34507  		v0.AuxInt = 0
 34508  		v0.AddArg(destptr)
 34509  		v0.AddArg(mem)
 34510  		v.AddArg(v0)
 34511  		return true
 34512  	}
 34513  	// match: (Zero [5] destptr mem)
 34514  	// cond:
 34515  	// result: (MOVBstoreconst [makeValAndOff(0,4)] destptr 		(MOVWstoreconst [0] destptr mem))
 34516  	for {
 34517  		if v.AuxInt != 5 {
 34518  			break
 34519  		}
 34520  		destptr := v.Args[0]
 34521  		mem := v.Args[1]
 34522  		v.reset(OpS390XMOVBstoreconst)
 34523  		v.AuxInt = makeValAndOff(0, 4)
 34524  		v.AddArg(destptr)
 34525  		v0 := b.NewValue0(v.Pos, OpS390XMOVWstoreconst, TypeMem)
 34526  		v0.AuxInt = 0
 34527  		v0.AddArg(destptr)
 34528  		v0.AddArg(mem)
 34529  		v.AddArg(v0)
 34530  		return true
 34531  	}
 34532  	// match: (Zero [6] destptr mem)
 34533  	// cond:
 34534  	// result: (MOVHstoreconst [makeValAndOff(0,4)] destptr 		(MOVWstoreconst [0] destptr mem))
 34535  	for {
 34536  		if v.AuxInt != 6 {
 34537  			break
 34538  		}
 34539  		destptr := v.Args[0]
 34540  		mem := v.Args[1]
 34541  		v.reset(OpS390XMOVHstoreconst)
 34542  		v.AuxInt = makeValAndOff(0, 4)
 34543  		v.AddArg(destptr)
 34544  		v0 := b.NewValue0(v.Pos, OpS390XMOVWstoreconst, TypeMem)
 34545  		v0.AuxInt = 0
 34546  		v0.AddArg(destptr)
 34547  		v0.AddArg(mem)
 34548  		v.AddArg(v0)
 34549  		return true
 34550  	}
 34551  	// match: (Zero [7] destptr mem)
 34552  	// cond:
 34553  	// result: (MOVWstoreconst [makeValAndOff(0,3)] destptr 		(MOVWstoreconst [0] destptr mem))
 34554  	for {
 34555  		if v.AuxInt != 7 {
 34556  			break
 34557  		}
 34558  		destptr := v.Args[0]
 34559  		mem := v.Args[1]
 34560  		v.reset(OpS390XMOVWstoreconst)
 34561  		v.AuxInt = makeValAndOff(0, 3)
 34562  		v.AddArg(destptr)
 34563  		v0 := b.NewValue0(v.Pos, OpS390XMOVWstoreconst, TypeMem)
 34564  		v0.AuxInt = 0
 34565  		v0.AddArg(destptr)
 34566  		v0.AddArg(mem)
 34567  		v.AddArg(v0)
 34568  		return true
 34569  	}
 34570  	// match: (Zero [s] destptr mem)
 34571  	// cond: s > 0 && s <= 1024
 34572  	// result: (CLEAR [makeValAndOff(s, 0)] destptr mem)
 34573  	for {
 34574  		s := v.AuxInt
 34575  		destptr := v.Args[0]
 34576  		mem := v.Args[1]
 34577  		if !(s > 0 && s <= 1024) {
 34578  			break
 34579  		}
 34580  		v.reset(OpS390XCLEAR)
 34581  		v.AuxInt = makeValAndOff(s, 0)
 34582  		v.AddArg(destptr)
 34583  		v.AddArg(mem)
 34584  		return true
 34585  	}
 34586  	// match: (Zero [s] destptr mem)
 34587  	// cond: s > 1024
 34588  	// result: (LoweredZero [s%256] destptr (ADDconst <destptr.Type> destptr [(s/256)*256]) mem)
 34589  	for {
 34590  		s := v.AuxInt
 34591  		destptr := v.Args[0]
 34592  		mem := v.Args[1]
 34593  		if !(s > 1024) {
 34594  			break
 34595  		}
 34596  		v.reset(OpS390XLoweredZero)
 34597  		v.AuxInt = s % 256
 34598  		v.AddArg(destptr)
 34599  		v0 := b.NewValue0(v.Pos, OpS390XADDconst, destptr.Type)
 34600  		v0.AuxInt = (s / 256) * 256
 34601  		v0.AddArg(destptr)
 34602  		v.AddArg(v0)
 34603  		v.AddArg(mem)
 34604  		return true
 34605  	}
 34606  	return false
 34607  }
 34608  func rewriteValueS390X_OpZeroExt16to32(v *Value) bool {
 34609  	// match: (ZeroExt16to32 x)
 34610  	// cond:
 34611  	// result: (MOVHZreg x)
 34612  	for {
 34613  		x := v.Args[0]
 34614  		v.reset(OpS390XMOVHZreg)
 34615  		v.AddArg(x)
 34616  		return true
 34617  	}
 34618  }
 34619  func rewriteValueS390X_OpZeroExt16to64(v *Value) bool {
 34620  	// match: (ZeroExt16to64 x)
 34621  	// cond:
 34622  	// result: (MOVHZreg x)
 34623  	for {
 34624  		x := v.Args[0]
 34625  		v.reset(OpS390XMOVHZreg)
 34626  		v.AddArg(x)
 34627  		return true
 34628  	}
 34629  }
 34630  func rewriteValueS390X_OpZeroExt32to64(v *Value) bool {
 34631  	// match: (ZeroExt32to64 x)
 34632  	// cond:
 34633  	// result: (MOVWZreg x)
 34634  	for {
 34635  		x := v.Args[0]
 34636  		v.reset(OpS390XMOVWZreg)
 34637  		v.AddArg(x)
 34638  		return true
 34639  	}
 34640  }
 34641  func rewriteValueS390X_OpZeroExt8to16(v *Value) bool {
 34642  	// match: (ZeroExt8to16 x)
 34643  	// cond:
 34644  	// result: (MOVBZreg x)
 34645  	for {
 34646  		x := v.Args[0]
 34647  		v.reset(OpS390XMOVBZreg)
 34648  		v.AddArg(x)
 34649  		return true
 34650  	}
 34651  }
 34652  func rewriteValueS390X_OpZeroExt8to32(v *Value) bool {
 34653  	// match: (ZeroExt8to32 x)
 34654  	// cond:
 34655  	// result: (MOVBZreg x)
 34656  	for {
 34657  		x := v.Args[0]
 34658  		v.reset(OpS390XMOVBZreg)
 34659  		v.AddArg(x)
 34660  		return true
 34661  	}
 34662  }
 34663  func rewriteValueS390X_OpZeroExt8to64(v *Value) bool {
 34664  	// match: (ZeroExt8to64 x)
 34665  	// cond:
 34666  	// result: (MOVBZreg x)
 34667  	for {
 34668  		x := v.Args[0]
 34669  		v.reset(OpS390XMOVBZreg)
 34670  		v.AddArg(x)
 34671  		return true
 34672  	}
 34673  }
 34674  func rewriteBlockS390X(b *Block) bool {
 34675  	config := b.Func.Config
 34676  	_ = config
 34677  	fe := b.Func.fe
 34678  	_ = fe
 34679  	types := &config.Types
 34680  	_ = types
 34681  	switch b.Kind {
 34682  	case BlockS390XEQ:
 34683  		// match: (EQ (InvertFlags cmp) yes no)
 34684  		// cond:
 34685  		// result: (EQ cmp yes no)
 34686  		for {
 34687  			v := b.Control
 34688  			if v.Op != OpS390XInvertFlags {
 34689  				break
 34690  			}
 34691  			cmp := v.Args[0]
 34692  			yes := b.Succs[0]
 34693  			no := b.Succs[1]
 34694  			b.Kind = BlockS390XEQ
 34695  			b.SetControl(cmp)
 34696  			_ = yes
 34697  			_ = no
 34698  			return true
 34699  		}
 34700  		// match: (EQ (FlagEQ) yes no)
 34701  		// cond:
 34702  		// result: (First nil yes no)
 34703  		for {
 34704  			v := b.Control
 34705  			if v.Op != OpS390XFlagEQ {
 34706  				break
 34707  			}
 34708  			yes := b.Succs[0]
 34709  			no := b.Succs[1]
 34710  			b.Kind = BlockFirst
 34711  			b.SetControl(nil)
 34712  			_ = yes
 34713  			_ = no
 34714  			return true
 34715  		}
 34716  		// match: (EQ (FlagLT) yes no)
 34717  		// cond:
 34718  		// result: (First nil no yes)
 34719  		for {
 34720  			v := b.Control
 34721  			if v.Op != OpS390XFlagLT {
 34722  				break
 34723  			}
 34724  			yes := b.Succs[0]
 34725  			no := b.Succs[1]
 34726  			b.Kind = BlockFirst
 34727  			b.SetControl(nil)
 34728  			b.swapSuccessors()
 34729  			_ = no
 34730  			_ = yes
 34731  			return true
 34732  		}
 34733  		// match: (EQ (FlagGT) yes no)
 34734  		// cond:
 34735  		// result: (First nil no yes)
 34736  		for {
 34737  			v := b.Control
 34738  			if v.Op != OpS390XFlagGT {
 34739  				break
 34740  			}
 34741  			yes := b.Succs[0]
 34742  			no := b.Succs[1]
 34743  			b.Kind = BlockFirst
 34744  			b.SetControl(nil)
 34745  			b.swapSuccessors()
 34746  			_ = no
 34747  			_ = yes
 34748  			return true
 34749  		}
 34750  	case BlockS390XGE:
 34751  		// match: (GE (InvertFlags cmp) yes no)
 34752  		// cond:
 34753  		// result: (LE cmp yes no)
 34754  		for {
 34755  			v := b.Control
 34756  			if v.Op != OpS390XInvertFlags {
 34757  				break
 34758  			}
 34759  			cmp := v.Args[0]
 34760  			yes := b.Succs[0]
 34761  			no := b.Succs[1]
 34762  			b.Kind = BlockS390XLE
 34763  			b.SetControl(cmp)
 34764  			_ = yes
 34765  			_ = no
 34766  			return true
 34767  		}
 34768  		// match: (GE (FlagEQ) yes no)
 34769  		// cond:
 34770  		// result: (First nil yes no)
 34771  		for {
 34772  			v := b.Control
 34773  			if v.Op != OpS390XFlagEQ {
 34774  				break
 34775  			}
 34776  			yes := b.Succs[0]
 34777  			no := b.Succs[1]
 34778  			b.Kind = BlockFirst
 34779  			b.SetControl(nil)
 34780  			_ = yes
 34781  			_ = no
 34782  			return true
 34783  		}
 34784  		// match: (GE (FlagLT) yes no)
 34785  		// cond:
 34786  		// result: (First nil no yes)
 34787  		for {
 34788  			v := b.Control
 34789  			if v.Op != OpS390XFlagLT {
 34790  				break
 34791  			}
 34792  			yes := b.Succs[0]
 34793  			no := b.Succs[1]
 34794  			b.Kind = BlockFirst
 34795  			b.SetControl(nil)
 34796  			b.swapSuccessors()
 34797  			_ = no
 34798  			_ = yes
 34799  			return true
 34800  		}
 34801  		// match: (GE (FlagGT) yes no)
 34802  		// cond:
 34803  		// result: (First nil yes no)
 34804  		for {
 34805  			v := b.Control
 34806  			if v.Op != OpS390XFlagGT {
 34807  				break
 34808  			}
 34809  			yes := b.Succs[0]
 34810  			no := b.Succs[1]
 34811  			b.Kind = BlockFirst
 34812  			b.SetControl(nil)
 34813  			_ = yes
 34814  			_ = no
 34815  			return true
 34816  		}
 34817  	case BlockS390XGT:
 34818  		// match: (GT (InvertFlags cmp) yes no)
 34819  		// cond:
 34820  		// result: (LT cmp yes no)
 34821  		for {
 34822  			v := b.Control
 34823  			if v.Op != OpS390XInvertFlags {
 34824  				break
 34825  			}
 34826  			cmp := v.Args[0]
 34827  			yes := b.Succs[0]
 34828  			no := b.Succs[1]
 34829  			b.Kind = BlockS390XLT
 34830  			b.SetControl(cmp)
 34831  			_ = yes
 34832  			_ = no
 34833  			return true
 34834  		}
 34835  		// match: (GT (FlagEQ) yes no)
 34836  		// cond:
 34837  		// result: (First nil no yes)
 34838  		for {
 34839  			v := b.Control
 34840  			if v.Op != OpS390XFlagEQ {
 34841  				break
 34842  			}
 34843  			yes := b.Succs[0]
 34844  			no := b.Succs[1]
 34845  			b.Kind = BlockFirst
 34846  			b.SetControl(nil)
 34847  			b.swapSuccessors()
 34848  			_ = no
 34849  			_ = yes
 34850  			return true
 34851  		}
 34852  		// match: (GT (FlagLT) yes no)
 34853  		// cond:
 34854  		// result: (First nil no yes)
 34855  		for {
 34856  			v := b.Control
 34857  			if v.Op != OpS390XFlagLT {
 34858  				break
 34859  			}
 34860  			yes := b.Succs[0]
 34861  			no := b.Succs[1]
 34862  			b.Kind = BlockFirst
 34863  			b.SetControl(nil)
 34864  			b.swapSuccessors()
 34865  			_ = no
 34866  			_ = yes
 34867  			return true
 34868  		}
 34869  		// match: (GT (FlagGT) yes no)
 34870  		// cond:
 34871  		// result: (First nil yes no)
 34872  		for {
 34873  			v := b.Control
 34874  			if v.Op != OpS390XFlagGT {
 34875  				break
 34876  			}
 34877  			yes := b.Succs[0]
 34878  			no := b.Succs[1]
 34879  			b.Kind = BlockFirst
 34880  			b.SetControl(nil)
 34881  			_ = yes
 34882  			_ = no
 34883  			return true
 34884  		}
 34885  	case BlockIf:
 34886  		// match: (If (MOVDLT (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 34887  		// cond:
 34888  		// result: (LT cmp yes no)
 34889  		for {
 34890  			v := b.Control
 34891  			if v.Op != OpS390XMOVDLT {
 34892  				break
 34893  			}
 34894  			v_0 := v.Args[0]
 34895  			if v_0.Op != OpS390XMOVDconst {
 34896  				break
 34897  			}
 34898  			if v_0.AuxInt != 0 {
 34899  				break
 34900  			}
 34901  			v_1 := v.Args[1]
 34902  			if v_1.Op != OpS390XMOVDconst {
 34903  				break
 34904  			}
 34905  			if v_1.AuxInt != 1 {
 34906  				break
 34907  			}
 34908  			cmp := v.Args[2]
 34909  			yes := b.Succs[0]
 34910  			no := b.Succs[1]
 34911  			b.Kind = BlockS390XLT
 34912  			b.SetControl(cmp)
 34913  			_ = yes
 34914  			_ = no
 34915  			return true
 34916  		}
 34917  		// match: (If (MOVDLE (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 34918  		// cond:
 34919  		// result: (LE cmp yes no)
 34920  		for {
 34921  			v := b.Control
 34922  			if v.Op != OpS390XMOVDLE {
 34923  				break
 34924  			}
 34925  			v_0 := v.Args[0]
 34926  			if v_0.Op != OpS390XMOVDconst {
 34927  				break
 34928  			}
 34929  			if v_0.AuxInt != 0 {
 34930  				break
 34931  			}
 34932  			v_1 := v.Args[1]
 34933  			if v_1.Op != OpS390XMOVDconst {
 34934  				break
 34935  			}
 34936  			if v_1.AuxInt != 1 {
 34937  				break
 34938  			}
 34939  			cmp := v.Args[2]
 34940  			yes := b.Succs[0]
 34941  			no := b.Succs[1]
 34942  			b.Kind = BlockS390XLE
 34943  			b.SetControl(cmp)
 34944  			_ = yes
 34945  			_ = no
 34946  			return true
 34947  		}
 34948  		// match: (If (MOVDGT (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 34949  		// cond:
 34950  		// result: (GT cmp yes no)
 34951  		for {
 34952  			v := b.Control
 34953  			if v.Op != OpS390XMOVDGT {
 34954  				break
 34955  			}
 34956  			v_0 := v.Args[0]
 34957  			if v_0.Op != OpS390XMOVDconst {
 34958  				break
 34959  			}
 34960  			if v_0.AuxInt != 0 {
 34961  				break
 34962  			}
 34963  			v_1 := v.Args[1]
 34964  			if v_1.Op != OpS390XMOVDconst {
 34965  				break
 34966  			}
 34967  			if v_1.AuxInt != 1 {
 34968  				break
 34969  			}
 34970  			cmp := v.Args[2]
 34971  			yes := b.Succs[0]
 34972  			no := b.Succs[1]
 34973  			b.Kind = BlockS390XGT
 34974  			b.SetControl(cmp)
 34975  			_ = yes
 34976  			_ = no
 34977  			return true
 34978  		}
 34979  		// match: (If (MOVDGE (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 34980  		// cond:
 34981  		// result: (GE cmp yes no)
 34982  		for {
 34983  			v := b.Control
 34984  			if v.Op != OpS390XMOVDGE {
 34985  				break
 34986  			}
 34987  			v_0 := v.Args[0]
 34988  			if v_0.Op != OpS390XMOVDconst {
 34989  				break
 34990  			}
 34991  			if v_0.AuxInt != 0 {
 34992  				break
 34993  			}
 34994  			v_1 := v.Args[1]
 34995  			if v_1.Op != OpS390XMOVDconst {
 34996  				break
 34997  			}
 34998  			if v_1.AuxInt != 1 {
 34999  				break
 35000  			}
 35001  			cmp := v.Args[2]
 35002  			yes := b.Succs[0]
 35003  			no := b.Succs[1]
 35004  			b.Kind = BlockS390XGE
 35005  			b.SetControl(cmp)
 35006  			_ = yes
 35007  			_ = no
 35008  			return true
 35009  		}
 35010  		// match: (If (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 35011  		// cond:
 35012  		// result: (EQ cmp yes no)
 35013  		for {
 35014  			v := b.Control
 35015  			if v.Op != OpS390XMOVDEQ {
 35016  				break
 35017  			}
 35018  			v_0 := v.Args[0]
 35019  			if v_0.Op != OpS390XMOVDconst {
 35020  				break
 35021  			}
 35022  			if v_0.AuxInt != 0 {
 35023  				break
 35024  			}
 35025  			v_1 := v.Args[1]
 35026  			if v_1.Op != OpS390XMOVDconst {
 35027  				break
 35028  			}
 35029  			if v_1.AuxInt != 1 {
 35030  				break
 35031  			}
 35032  			cmp := v.Args[2]
 35033  			yes := b.Succs[0]
 35034  			no := b.Succs[1]
 35035  			b.Kind = BlockS390XEQ
 35036  			b.SetControl(cmp)
 35037  			_ = yes
 35038  			_ = no
 35039  			return true
 35040  		}
 35041  		// match: (If (MOVDNE (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 35042  		// cond:
 35043  		// result: (NE cmp yes no)
 35044  		for {
 35045  			v := b.Control
 35046  			if v.Op != OpS390XMOVDNE {
 35047  				break
 35048  			}
 35049  			v_0 := v.Args[0]
 35050  			if v_0.Op != OpS390XMOVDconst {
 35051  				break
 35052  			}
 35053  			if v_0.AuxInt != 0 {
 35054  				break
 35055  			}
 35056  			v_1 := v.Args[1]
 35057  			if v_1.Op != OpS390XMOVDconst {
 35058  				break
 35059  			}
 35060  			if v_1.AuxInt != 1 {
 35061  				break
 35062  			}
 35063  			cmp := v.Args[2]
 35064  			yes := b.Succs[0]
 35065  			no := b.Succs[1]
 35066  			b.Kind = BlockS390XNE
 35067  			b.SetControl(cmp)
 35068  			_ = yes
 35069  			_ = no
 35070  			return true
 35071  		}
 35072  		// match: (If (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 35073  		// cond:
 35074  		// result: (GTF cmp yes no)
 35075  		for {
 35076  			v := b.Control
 35077  			if v.Op != OpS390XMOVDGTnoinv {
 35078  				break
 35079  			}
 35080  			v_0 := v.Args[0]
 35081  			if v_0.Op != OpS390XMOVDconst {
 35082  				break
 35083  			}
 35084  			if v_0.AuxInt != 0 {
 35085  				break
 35086  			}
 35087  			v_1 := v.Args[1]
 35088  			if v_1.Op != OpS390XMOVDconst {
 35089  				break
 35090  			}
 35091  			if v_1.AuxInt != 1 {
 35092  				break
 35093  			}
 35094  			cmp := v.Args[2]
 35095  			yes := b.Succs[0]
 35096  			no := b.Succs[1]
 35097  			b.Kind = BlockS390XGTF
 35098  			b.SetControl(cmp)
 35099  			_ = yes
 35100  			_ = no
 35101  			return true
 35102  		}
 35103  		// match: (If (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 35104  		// cond:
 35105  		// result: (GEF cmp yes no)
 35106  		for {
 35107  			v := b.Control
 35108  			if v.Op != OpS390XMOVDGEnoinv {
 35109  				break
 35110  			}
 35111  			v_0 := v.Args[0]
 35112  			if v_0.Op != OpS390XMOVDconst {
 35113  				break
 35114  			}
 35115  			if v_0.AuxInt != 0 {
 35116  				break
 35117  			}
 35118  			v_1 := v.Args[1]
 35119  			if v_1.Op != OpS390XMOVDconst {
 35120  				break
 35121  			}
 35122  			if v_1.AuxInt != 1 {
 35123  				break
 35124  			}
 35125  			cmp := v.Args[2]
 35126  			yes := b.Succs[0]
 35127  			no := b.Succs[1]
 35128  			b.Kind = BlockS390XGEF
 35129  			b.SetControl(cmp)
 35130  			_ = yes
 35131  			_ = no
 35132  			return true
 35133  		}
 35134  		// match: (If cond yes no)
 35135  		// cond:
 35136  		// result: (NE (CMPWconst [0] (MOVBZreg <types.Bool> cond)) yes no)
 35137  		for {
 35138  			v := b.Control
 35139  			_ = v
 35140  			cond := b.Control
 35141  			yes := b.Succs[0]
 35142  			no := b.Succs[1]
 35143  			b.Kind = BlockS390XNE
 35144  			v0 := b.NewValue0(v.Pos, OpS390XCMPWconst, TypeFlags)
 35145  			v0.AuxInt = 0
 35146  			v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, types.Bool)
 35147  			v1.AddArg(cond)
 35148  			v0.AddArg(v1)
 35149  			b.SetControl(v0)
 35150  			_ = yes
 35151  			_ = no
 35152  			return true
 35153  		}
 35154  	case BlockS390XLE:
 35155  		// match: (LE (InvertFlags cmp) yes no)
 35156  		// cond:
 35157  		// result: (GE cmp yes no)
 35158  		for {
 35159  			v := b.Control
 35160  			if v.Op != OpS390XInvertFlags {
 35161  				break
 35162  			}
 35163  			cmp := v.Args[0]
 35164  			yes := b.Succs[0]
 35165  			no := b.Succs[1]
 35166  			b.Kind = BlockS390XGE
 35167  			b.SetControl(cmp)
 35168  			_ = yes
 35169  			_ = no
 35170  			return true
 35171  		}
 35172  		// match: (LE (FlagEQ) yes no)
 35173  		// cond:
 35174  		// result: (First nil yes no)
 35175  		for {
 35176  			v := b.Control
 35177  			if v.Op != OpS390XFlagEQ {
 35178  				break
 35179  			}
 35180  			yes := b.Succs[0]
 35181  			no := b.Succs[1]
 35182  			b.Kind = BlockFirst
 35183  			b.SetControl(nil)
 35184  			_ = yes
 35185  			_ = no
 35186  			return true
 35187  		}
 35188  		// match: (LE (FlagLT) yes no)
 35189  		// cond:
 35190  		// result: (First nil yes no)
 35191  		for {
 35192  			v := b.Control
 35193  			if v.Op != OpS390XFlagLT {
 35194  				break
 35195  			}
 35196  			yes := b.Succs[0]
 35197  			no := b.Succs[1]
 35198  			b.Kind = BlockFirst
 35199  			b.SetControl(nil)
 35200  			_ = yes
 35201  			_ = no
 35202  			return true
 35203  		}
 35204  		// match: (LE (FlagGT) yes no)
 35205  		// cond:
 35206  		// result: (First nil no yes)
 35207  		for {
 35208  			v := b.Control
 35209  			if v.Op != OpS390XFlagGT {
 35210  				break
 35211  			}
 35212  			yes := b.Succs[0]
 35213  			no := b.Succs[1]
 35214  			b.Kind = BlockFirst
 35215  			b.SetControl(nil)
 35216  			b.swapSuccessors()
 35217  			_ = no
 35218  			_ = yes
 35219  			return true
 35220  		}
 35221  	case BlockS390XLT:
 35222  		// match: (LT (InvertFlags cmp) yes no)
 35223  		// cond:
 35224  		// result: (GT cmp yes no)
 35225  		for {
 35226  			v := b.Control
 35227  			if v.Op != OpS390XInvertFlags {
 35228  				break
 35229  			}
 35230  			cmp := v.Args[0]
 35231  			yes := b.Succs[0]
 35232  			no := b.Succs[1]
 35233  			b.Kind = BlockS390XGT
 35234  			b.SetControl(cmp)
 35235  			_ = yes
 35236  			_ = no
 35237  			return true
 35238  		}
 35239  		// match: (LT (FlagEQ) yes no)
 35240  		// cond:
 35241  		// result: (First nil no yes)
 35242  		for {
 35243  			v := b.Control
 35244  			if v.Op != OpS390XFlagEQ {
 35245  				break
 35246  			}
 35247  			yes := b.Succs[0]
 35248  			no := b.Succs[1]
 35249  			b.Kind = BlockFirst
 35250  			b.SetControl(nil)
 35251  			b.swapSuccessors()
 35252  			_ = no
 35253  			_ = yes
 35254  			return true
 35255  		}
 35256  		// match: (LT (FlagLT) yes no)
 35257  		// cond:
 35258  		// result: (First nil yes no)
 35259  		for {
 35260  			v := b.Control
 35261  			if v.Op != OpS390XFlagLT {
 35262  				break
 35263  			}
 35264  			yes := b.Succs[0]
 35265  			no := b.Succs[1]
 35266  			b.Kind = BlockFirst
 35267  			b.SetControl(nil)
 35268  			_ = yes
 35269  			_ = no
 35270  			return true
 35271  		}
 35272  		// match: (LT (FlagGT) yes no)
 35273  		// cond:
 35274  		// result: (First nil no yes)
 35275  		for {
 35276  			v := b.Control
 35277  			if v.Op != OpS390XFlagGT {
 35278  				break
 35279  			}
 35280  			yes := b.Succs[0]
 35281  			no := b.Succs[1]
 35282  			b.Kind = BlockFirst
 35283  			b.SetControl(nil)
 35284  			b.swapSuccessors()
 35285  			_ = no
 35286  			_ = yes
 35287  			return true
 35288  		}
 35289  	case BlockS390XNE:
 35290  		// match: (NE (CMPWconst [0] (MOVDLT (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 35291  		// cond:
 35292  		// result: (LT cmp yes no)
 35293  		for {
 35294  			v := b.Control
 35295  			if v.Op != OpS390XCMPWconst {
 35296  				break
 35297  			}
 35298  			if v.AuxInt != 0 {
 35299  				break
 35300  			}
 35301  			v_0 := v.Args[0]
 35302  			if v_0.Op != OpS390XMOVDLT {
 35303  				break
 35304  			}
 35305  			v_0_0 := v_0.Args[0]
 35306  			if v_0_0.Op != OpS390XMOVDconst {
 35307  				break
 35308  			}
 35309  			if v_0_0.AuxInt != 0 {
 35310  				break
 35311  			}
 35312  			v_0_1 := v_0.Args[1]
 35313  			if v_0_1.Op != OpS390XMOVDconst {
 35314  				break
 35315  			}
 35316  			if v_0_1.AuxInt != 1 {
 35317  				break
 35318  			}
 35319  			cmp := v_0.Args[2]
 35320  			yes := b.Succs[0]
 35321  			no := b.Succs[1]
 35322  			b.Kind = BlockS390XLT
 35323  			b.SetControl(cmp)
 35324  			_ = yes
 35325  			_ = no
 35326  			return true
 35327  		}
 35328  		// match: (NE (CMPWconst [0] (MOVDLE (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 35329  		// cond:
 35330  		// result: (LE cmp yes no)
 35331  		for {
 35332  			v := b.Control
 35333  			if v.Op != OpS390XCMPWconst {
 35334  				break
 35335  			}
 35336  			if v.AuxInt != 0 {
 35337  				break
 35338  			}
 35339  			v_0 := v.Args[0]
 35340  			if v_0.Op != OpS390XMOVDLE {
 35341  				break
 35342  			}
 35343  			v_0_0 := v_0.Args[0]
 35344  			if v_0_0.Op != OpS390XMOVDconst {
 35345  				break
 35346  			}
 35347  			if v_0_0.AuxInt != 0 {
 35348  				break
 35349  			}
 35350  			v_0_1 := v_0.Args[1]
 35351  			if v_0_1.Op != OpS390XMOVDconst {
 35352  				break
 35353  			}
 35354  			if v_0_1.AuxInt != 1 {
 35355  				break
 35356  			}
 35357  			cmp := v_0.Args[2]
 35358  			yes := b.Succs[0]
 35359  			no := b.Succs[1]
 35360  			b.Kind = BlockS390XLE
 35361  			b.SetControl(cmp)
 35362  			_ = yes
 35363  			_ = no
 35364  			return true
 35365  		}
 35366  		// match: (NE (CMPWconst [0] (MOVDGT (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 35367  		// cond:
 35368  		// result: (GT cmp yes no)
 35369  		for {
 35370  			v := b.Control
 35371  			if v.Op != OpS390XCMPWconst {
 35372  				break
 35373  			}
 35374  			if v.AuxInt != 0 {
 35375  				break
 35376  			}
 35377  			v_0 := v.Args[0]
 35378  			if v_0.Op != OpS390XMOVDGT {
 35379  				break
 35380  			}
 35381  			v_0_0 := v_0.Args[0]
 35382  			if v_0_0.Op != OpS390XMOVDconst {
 35383  				break
 35384  			}
 35385  			if v_0_0.AuxInt != 0 {
 35386  				break
 35387  			}
 35388  			v_0_1 := v_0.Args[1]
 35389  			if v_0_1.Op != OpS390XMOVDconst {
 35390  				break
 35391  			}
 35392  			if v_0_1.AuxInt != 1 {
 35393  				break
 35394  			}
 35395  			cmp := v_0.Args[2]
 35396  			yes := b.Succs[0]
 35397  			no := b.Succs[1]
 35398  			b.Kind = BlockS390XGT
 35399  			b.SetControl(cmp)
 35400  			_ = yes
 35401  			_ = no
 35402  			return true
 35403  		}
 35404  		// match: (NE (CMPWconst [0] (MOVDGE (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 35405  		// cond:
 35406  		// result: (GE cmp yes no)
 35407  		for {
 35408  			v := b.Control
 35409  			if v.Op != OpS390XCMPWconst {
 35410  				break
 35411  			}
 35412  			if v.AuxInt != 0 {
 35413  				break
 35414  			}
 35415  			v_0 := v.Args[0]
 35416  			if v_0.Op != OpS390XMOVDGE {
 35417  				break
 35418  			}
 35419  			v_0_0 := v_0.Args[0]
 35420  			if v_0_0.Op != OpS390XMOVDconst {
 35421  				break
 35422  			}
 35423  			if v_0_0.AuxInt != 0 {
 35424  				break
 35425  			}
 35426  			v_0_1 := v_0.Args[1]
 35427  			if v_0_1.Op != OpS390XMOVDconst {
 35428  				break
 35429  			}
 35430  			if v_0_1.AuxInt != 1 {
 35431  				break
 35432  			}
 35433  			cmp := v_0.Args[2]
 35434  			yes := b.Succs[0]
 35435  			no := b.Succs[1]
 35436  			b.Kind = BlockS390XGE
 35437  			b.SetControl(cmp)
 35438  			_ = yes
 35439  			_ = no
 35440  			return true
 35441  		}
 35442  		// match: (NE (CMPWconst [0] (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 35443  		// cond:
 35444  		// result: (EQ cmp yes no)
 35445  		for {
 35446  			v := b.Control
 35447  			if v.Op != OpS390XCMPWconst {
 35448  				break
 35449  			}
 35450  			if v.AuxInt != 0 {
 35451  				break
 35452  			}
 35453  			v_0 := v.Args[0]
 35454  			if v_0.Op != OpS390XMOVDEQ {
 35455  				break
 35456  			}
 35457  			v_0_0 := v_0.Args[0]
 35458  			if v_0_0.Op != OpS390XMOVDconst {
 35459  				break
 35460  			}
 35461  			if v_0_0.AuxInt != 0 {
 35462  				break
 35463  			}
 35464  			v_0_1 := v_0.Args[1]
 35465  			if v_0_1.Op != OpS390XMOVDconst {
 35466  				break
 35467  			}
 35468  			if v_0_1.AuxInt != 1 {
 35469  				break
 35470  			}
 35471  			cmp := v_0.Args[2]
 35472  			yes := b.Succs[0]
 35473  			no := b.Succs[1]
 35474  			b.Kind = BlockS390XEQ
 35475  			b.SetControl(cmp)
 35476  			_ = yes
 35477  			_ = no
 35478  			return true
 35479  		}
 35480  		// match: (NE (CMPWconst [0] (MOVDNE (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 35481  		// cond:
 35482  		// result: (NE cmp yes no)
 35483  		for {
 35484  			v := b.Control
 35485  			if v.Op != OpS390XCMPWconst {
 35486  				break
 35487  			}
 35488  			if v.AuxInt != 0 {
 35489  				break
 35490  			}
 35491  			v_0 := v.Args[0]
 35492  			if v_0.Op != OpS390XMOVDNE {
 35493  				break
 35494  			}
 35495  			v_0_0 := v_0.Args[0]
 35496  			if v_0_0.Op != OpS390XMOVDconst {
 35497  				break
 35498  			}
 35499  			if v_0_0.AuxInt != 0 {
 35500  				break
 35501  			}
 35502  			v_0_1 := v_0.Args[1]
 35503  			if v_0_1.Op != OpS390XMOVDconst {
 35504  				break
 35505  			}
 35506  			if v_0_1.AuxInt != 1 {
 35507  				break
 35508  			}
 35509  			cmp := v_0.Args[2]
 35510  			yes := b.Succs[0]
 35511  			no := b.Succs[1]
 35512  			b.Kind = BlockS390XNE
 35513  			b.SetControl(cmp)
 35514  			_ = yes
 35515  			_ = no
 35516  			return true
 35517  		}
 35518  		// match: (NE (CMPWconst [0] (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 35519  		// cond:
 35520  		// result: (GTF cmp yes no)
 35521  		for {
 35522  			v := b.Control
 35523  			if v.Op != OpS390XCMPWconst {
 35524  				break
 35525  			}
 35526  			if v.AuxInt != 0 {
 35527  				break
 35528  			}
 35529  			v_0 := v.Args[0]
 35530  			if v_0.Op != OpS390XMOVDGTnoinv {
 35531  				break
 35532  			}
 35533  			v_0_0 := v_0.Args[0]
 35534  			if v_0_0.Op != OpS390XMOVDconst {
 35535  				break
 35536  			}
 35537  			if v_0_0.AuxInt != 0 {
 35538  				break
 35539  			}
 35540  			v_0_1 := v_0.Args[1]
 35541  			if v_0_1.Op != OpS390XMOVDconst {
 35542  				break
 35543  			}
 35544  			if v_0_1.AuxInt != 1 {
 35545  				break
 35546  			}
 35547  			cmp := v_0.Args[2]
 35548  			yes := b.Succs[0]
 35549  			no := b.Succs[1]
 35550  			b.Kind = BlockS390XGTF
 35551  			b.SetControl(cmp)
 35552  			_ = yes
 35553  			_ = no
 35554  			return true
 35555  		}
 35556  		// match: (NE (CMPWconst [0] (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 35557  		// cond:
 35558  		// result: (GEF cmp yes no)
 35559  		for {
 35560  			v := b.Control
 35561  			if v.Op != OpS390XCMPWconst {
 35562  				break
 35563  			}
 35564  			if v.AuxInt != 0 {
 35565  				break
 35566  			}
 35567  			v_0 := v.Args[0]
 35568  			if v_0.Op != OpS390XMOVDGEnoinv {
 35569  				break
 35570  			}
 35571  			v_0_0 := v_0.Args[0]
 35572  			if v_0_0.Op != OpS390XMOVDconst {
 35573  				break
 35574  			}
 35575  			if v_0_0.AuxInt != 0 {
 35576  				break
 35577  			}
 35578  			v_0_1 := v_0.Args[1]
 35579  			if v_0_1.Op != OpS390XMOVDconst {
 35580  				break
 35581  			}
 35582  			if v_0_1.AuxInt != 1 {
 35583  				break
 35584  			}
 35585  			cmp := v_0.Args[2]
 35586  			yes := b.Succs[0]
 35587  			no := b.Succs[1]
 35588  			b.Kind = BlockS390XGEF
 35589  			b.SetControl(cmp)
 35590  			_ = yes
 35591  			_ = no
 35592  			return true
 35593  		}
 35594  		// match: (NE (InvertFlags cmp) yes no)
 35595  		// cond:
 35596  		// result: (NE cmp yes no)
 35597  		for {
 35598  			v := b.Control
 35599  			if v.Op != OpS390XInvertFlags {
 35600  				break
 35601  			}
 35602  			cmp := v.Args[0]
 35603  			yes := b.Succs[0]
 35604  			no := b.Succs[1]
 35605  			b.Kind = BlockS390XNE
 35606  			b.SetControl(cmp)
 35607  			_ = yes
 35608  			_ = no
 35609  			return true
 35610  		}
 35611  		// match: (NE (FlagEQ) yes no)
 35612  		// cond:
 35613  		// result: (First nil no yes)
 35614  		for {
 35615  			v := b.Control
 35616  			if v.Op != OpS390XFlagEQ {
 35617  				break
 35618  			}
 35619  			yes := b.Succs[0]
 35620  			no := b.Succs[1]
 35621  			b.Kind = BlockFirst
 35622  			b.SetControl(nil)
 35623  			b.swapSuccessors()
 35624  			_ = no
 35625  			_ = yes
 35626  			return true
 35627  		}
 35628  		// match: (NE (FlagLT) yes no)
 35629  		// cond:
 35630  		// result: (First nil yes no)
 35631  		for {
 35632  			v := b.Control
 35633  			if v.Op != OpS390XFlagLT {
 35634  				break
 35635  			}
 35636  			yes := b.Succs[0]
 35637  			no := b.Succs[1]
 35638  			b.Kind = BlockFirst
 35639  			b.SetControl(nil)
 35640  			_ = yes
 35641  			_ = no
 35642  			return true
 35643  		}
 35644  		// match: (NE (FlagGT) yes no)
 35645  		// cond:
 35646  		// result: (First nil yes no)
 35647  		for {
 35648  			v := b.Control
 35649  			if v.Op != OpS390XFlagGT {
 35650  				break
 35651  			}
 35652  			yes := b.Succs[0]
 35653  			no := b.Succs[1]
 35654  			b.Kind = BlockFirst
 35655  			b.SetControl(nil)
 35656  			_ = yes
 35657  			_ = no
 35658  			return true
 35659  		}
 35660  	}
 35661  	return false
 35662  }