github.com/rakyll/go@v0.0.0-20170216000551-64c02460d703/src/cmd/compile/internal/ssa/rewriteS390X.go (about)

     1  // autogenerated from gen/S390X.rules: do not edit!
     2  // generated with: cd gen; go run *.go
     3  
     4  package ssa
     5  
     6  import "math"
     7  
     8  var _ = math.MinInt8 // in case not otherwise used
     9  func rewriteValueS390X(v *Value, config *Config) bool {
    10  	switch v.Op {
    11  	case OpAdd16:
    12  		return rewriteValueS390X_OpAdd16(v, config)
    13  	case OpAdd32:
    14  		return rewriteValueS390X_OpAdd32(v, config)
    15  	case OpAdd32F:
    16  		return rewriteValueS390X_OpAdd32F(v, config)
    17  	case OpAdd64:
    18  		return rewriteValueS390X_OpAdd64(v, config)
    19  	case OpAdd64F:
    20  		return rewriteValueS390X_OpAdd64F(v, config)
    21  	case OpAdd8:
    22  		return rewriteValueS390X_OpAdd8(v, config)
    23  	case OpAddPtr:
    24  		return rewriteValueS390X_OpAddPtr(v, config)
    25  	case OpAddr:
    26  		return rewriteValueS390X_OpAddr(v, config)
    27  	case OpAnd16:
    28  		return rewriteValueS390X_OpAnd16(v, config)
    29  	case OpAnd32:
    30  		return rewriteValueS390X_OpAnd32(v, config)
    31  	case OpAnd64:
    32  		return rewriteValueS390X_OpAnd64(v, config)
    33  	case OpAnd8:
    34  		return rewriteValueS390X_OpAnd8(v, config)
    35  	case OpAndB:
    36  		return rewriteValueS390X_OpAndB(v, config)
    37  	case OpAtomicAdd32:
    38  		return rewriteValueS390X_OpAtomicAdd32(v, config)
    39  	case OpAtomicAdd64:
    40  		return rewriteValueS390X_OpAtomicAdd64(v, config)
    41  	case OpAtomicCompareAndSwap32:
    42  		return rewriteValueS390X_OpAtomicCompareAndSwap32(v, config)
    43  	case OpAtomicCompareAndSwap64:
    44  		return rewriteValueS390X_OpAtomicCompareAndSwap64(v, config)
    45  	case OpAtomicExchange32:
    46  		return rewriteValueS390X_OpAtomicExchange32(v, config)
    47  	case OpAtomicExchange64:
    48  		return rewriteValueS390X_OpAtomicExchange64(v, config)
    49  	case OpAtomicLoad32:
    50  		return rewriteValueS390X_OpAtomicLoad32(v, config)
    51  	case OpAtomicLoad64:
    52  		return rewriteValueS390X_OpAtomicLoad64(v, config)
    53  	case OpAtomicLoadPtr:
    54  		return rewriteValueS390X_OpAtomicLoadPtr(v, config)
    55  	case OpAtomicStore32:
    56  		return rewriteValueS390X_OpAtomicStore32(v, config)
    57  	case OpAtomicStore64:
    58  		return rewriteValueS390X_OpAtomicStore64(v, config)
    59  	case OpAtomicStorePtrNoWB:
    60  		return rewriteValueS390X_OpAtomicStorePtrNoWB(v, config)
    61  	case OpAvg64u:
    62  		return rewriteValueS390X_OpAvg64u(v, config)
    63  	case OpBswap32:
    64  		return rewriteValueS390X_OpBswap32(v, config)
    65  	case OpBswap64:
    66  		return rewriteValueS390X_OpBswap64(v, config)
    67  	case OpClosureCall:
    68  		return rewriteValueS390X_OpClosureCall(v, config)
    69  	case OpCom16:
    70  		return rewriteValueS390X_OpCom16(v, config)
    71  	case OpCom32:
    72  		return rewriteValueS390X_OpCom32(v, config)
    73  	case OpCom64:
    74  		return rewriteValueS390X_OpCom64(v, config)
    75  	case OpCom8:
    76  		return rewriteValueS390X_OpCom8(v, config)
    77  	case OpConst16:
    78  		return rewriteValueS390X_OpConst16(v, config)
    79  	case OpConst32:
    80  		return rewriteValueS390X_OpConst32(v, config)
    81  	case OpConst32F:
    82  		return rewriteValueS390X_OpConst32F(v, config)
    83  	case OpConst64:
    84  		return rewriteValueS390X_OpConst64(v, config)
    85  	case OpConst64F:
    86  		return rewriteValueS390X_OpConst64F(v, config)
    87  	case OpConst8:
    88  		return rewriteValueS390X_OpConst8(v, config)
    89  	case OpConstBool:
    90  		return rewriteValueS390X_OpConstBool(v, config)
    91  	case OpConstNil:
    92  		return rewriteValueS390X_OpConstNil(v, config)
    93  	case OpConvert:
    94  		return rewriteValueS390X_OpConvert(v, config)
    95  	case OpCtz32:
    96  		return rewriteValueS390X_OpCtz32(v, config)
    97  	case OpCtz64:
    98  		return rewriteValueS390X_OpCtz64(v, config)
    99  	case OpCvt32Fto32:
   100  		return rewriteValueS390X_OpCvt32Fto32(v, config)
   101  	case OpCvt32Fto64:
   102  		return rewriteValueS390X_OpCvt32Fto64(v, config)
   103  	case OpCvt32Fto64F:
   104  		return rewriteValueS390X_OpCvt32Fto64F(v, config)
   105  	case OpCvt32to32F:
   106  		return rewriteValueS390X_OpCvt32to32F(v, config)
   107  	case OpCvt32to64F:
   108  		return rewriteValueS390X_OpCvt32to64F(v, config)
   109  	case OpCvt64Fto32:
   110  		return rewriteValueS390X_OpCvt64Fto32(v, config)
   111  	case OpCvt64Fto32F:
   112  		return rewriteValueS390X_OpCvt64Fto32F(v, config)
   113  	case OpCvt64Fto64:
   114  		return rewriteValueS390X_OpCvt64Fto64(v, config)
   115  	case OpCvt64to32F:
   116  		return rewriteValueS390X_OpCvt64to32F(v, config)
   117  	case OpCvt64to64F:
   118  		return rewriteValueS390X_OpCvt64to64F(v, config)
   119  	case OpDeferCall:
   120  		return rewriteValueS390X_OpDeferCall(v, config)
   121  	case OpDiv16:
   122  		return rewriteValueS390X_OpDiv16(v, config)
   123  	case OpDiv16u:
   124  		return rewriteValueS390X_OpDiv16u(v, config)
   125  	case OpDiv32:
   126  		return rewriteValueS390X_OpDiv32(v, config)
   127  	case OpDiv32F:
   128  		return rewriteValueS390X_OpDiv32F(v, config)
   129  	case OpDiv32u:
   130  		return rewriteValueS390X_OpDiv32u(v, config)
   131  	case OpDiv64:
   132  		return rewriteValueS390X_OpDiv64(v, config)
   133  	case OpDiv64F:
   134  		return rewriteValueS390X_OpDiv64F(v, config)
   135  	case OpDiv64u:
   136  		return rewriteValueS390X_OpDiv64u(v, config)
   137  	case OpDiv8:
   138  		return rewriteValueS390X_OpDiv8(v, config)
   139  	case OpDiv8u:
   140  		return rewriteValueS390X_OpDiv8u(v, config)
   141  	case OpEq16:
   142  		return rewriteValueS390X_OpEq16(v, config)
   143  	case OpEq32:
   144  		return rewriteValueS390X_OpEq32(v, config)
   145  	case OpEq32F:
   146  		return rewriteValueS390X_OpEq32F(v, config)
   147  	case OpEq64:
   148  		return rewriteValueS390X_OpEq64(v, config)
   149  	case OpEq64F:
   150  		return rewriteValueS390X_OpEq64F(v, config)
   151  	case OpEq8:
   152  		return rewriteValueS390X_OpEq8(v, config)
   153  	case OpEqB:
   154  		return rewriteValueS390X_OpEqB(v, config)
   155  	case OpEqPtr:
   156  		return rewriteValueS390X_OpEqPtr(v, config)
   157  	case OpGeq16:
   158  		return rewriteValueS390X_OpGeq16(v, config)
   159  	case OpGeq16U:
   160  		return rewriteValueS390X_OpGeq16U(v, config)
   161  	case OpGeq32:
   162  		return rewriteValueS390X_OpGeq32(v, config)
   163  	case OpGeq32F:
   164  		return rewriteValueS390X_OpGeq32F(v, config)
   165  	case OpGeq32U:
   166  		return rewriteValueS390X_OpGeq32U(v, config)
   167  	case OpGeq64:
   168  		return rewriteValueS390X_OpGeq64(v, config)
   169  	case OpGeq64F:
   170  		return rewriteValueS390X_OpGeq64F(v, config)
   171  	case OpGeq64U:
   172  		return rewriteValueS390X_OpGeq64U(v, config)
   173  	case OpGeq8:
   174  		return rewriteValueS390X_OpGeq8(v, config)
   175  	case OpGeq8U:
   176  		return rewriteValueS390X_OpGeq8U(v, config)
   177  	case OpGetClosurePtr:
   178  		return rewriteValueS390X_OpGetClosurePtr(v, config)
   179  	case OpGetG:
   180  		return rewriteValueS390X_OpGetG(v, config)
   181  	case OpGoCall:
   182  		return rewriteValueS390X_OpGoCall(v, config)
   183  	case OpGreater16:
   184  		return rewriteValueS390X_OpGreater16(v, config)
   185  	case OpGreater16U:
   186  		return rewriteValueS390X_OpGreater16U(v, config)
   187  	case OpGreater32:
   188  		return rewriteValueS390X_OpGreater32(v, config)
   189  	case OpGreater32F:
   190  		return rewriteValueS390X_OpGreater32F(v, config)
   191  	case OpGreater32U:
   192  		return rewriteValueS390X_OpGreater32U(v, config)
   193  	case OpGreater64:
   194  		return rewriteValueS390X_OpGreater64(v, config)
   195  	case OpGreater64F:
   196  		return rewriteValueS390X_OpGreater64F(v, config)
   197  	case OpGreater64U:
   198  		return rewriteValueS390X_OpGreater64U(v, config)
   199  	case OpGreater8:
   200  		return rewriteValueS390X_OpGreater8(v, config)
   201  	case OpGreater8U:
   202  		return rewriteValueS390X_OpGreater8U(v, config)
   203  	case OpHmul16:
   204  		return rewriteValueS390X_OpHmul16(v, config)
   205  	case OpHmul16u:
   206  		return rewriteValueS390X_OpHmul16u(v, config)
   207  	case OpHmul32:
   208  		return rewriteValueS390X_OpHmul32(v, config)
   209  	case OpHmul32u:
   210  		return rewriteValueS390X_OpHmul32u(v, config)
   211  	case OpHmul64:
   212  		return rewriteValueS390X_OpHmul64(v, config)
   213  	case OpHmul64u:
   214  		return rewriteValueS390X_OpHmul64u(v, config)
   215  	case OpHmul8:
   216  		return rewriteValueS390X_OpHmul8(v, config)
   217  	case OpHmul8u:
   218  		return rewriteValueS390X_OpHmul8u(v, config)
   219  	case OpITab:
   220  		return rewriteValueS390X_OpITab(v, config)
   221  	case OpInterCall:
   222  		return rewriteValueS390X_OpInterCall(v, config)
   223  	case OpIsInBounds:
   224  		return rewriteValueS390X_OpIsInBounds(v, config)
   225  	case OpIsNonNil:
   226  		return rewriteValueS390X_OpIsNonNil(v, config)
   227  	case OpIsSliceInBounds:
   228  		return rewriteValueS390X_OpIsSliceInBounds(v, config)
   229  	case OpLeq16:
   230  		return rewriteValueS390X_OpLeq16(v, config)
   231  	case OpLeq16U:
   232  		return rewriteValueS390X_OpLeq16U(v, config)
   233  	case OpLeq32:
   234  		return rewriteValueS390X_OpLeq32(v, config)
   235  	case OpLeq32F:
   236  		return rewriteValueS390X_OpLeq32F(v, config)
   237  	case OpLeq32U:
   238  		return rewriteValueS390X_OpLeq32U(v, config)
   239  	case OpLeq64:
   240  		return rewriteValueS390X_OpLeq64(v, config)
   241  	case OpLeq64F:
   242  		return rewriteValueS390X_OpLeq64F(v, config)
   243  	case OpLeq64U:
   244  		return rewriteValueS390X_OpLeq64U(v, config)
   245  	case OpLeq8:
   246  		return rewriteValueS390X_OpLeq8(v, config)
   247  	case OpLeq8U:
   248  		return rewriteValueS390X_OpLeq8U(v, config)
   249  	case OpLess16:
   250  		return rewriteValueS390X_OpLess16(v, config)
   251  	case OpLess16U:
   252  		return rewriteValueS390X_OpLess16U(v, config)
   253  	case OpLess32:
   254  		return rewriteValueS390X_OpLess32(v, config)
   255  	case OpLess32F:
   256  		return rewriteValueS390X_OpLess32F(v, config)
   257  	case OpLess32U:
   258  		return rewriteValueS390X_OpLess32U(v, config)
   259  	case OpLess64:
   260  		return rewriteValueS390X_OpLess64(v, config)
   261  	case OpLess64F:
   262  		return rewriteValueS390X_OpLess64F(v, config)
   263  	case OpLess64U:
   264  		return rewriteValueS390X_OpLess64U(v, config)
   265  	case OpLess8:
   266  		return rewriteValueS390X_OpLess8(v, config)
   267  	case OpLess8U:
   268  		return rewriteValueS390X_OpLess8U(v, config)
   269  	case OpLoad:
   270  		return rewriteValueS390X_OpLoad(v, config)
   271  	case OpLsh16x16:
   272  		return rewriteValueS390X_OpLsh16x16(v, config)
   273  	case OpLsh16x32:
   274  		return rewriteValueS390X_OpLsh16x32(v, config)
   275  	case OpLsh16x64:
   276  		return rewriteValueS390X_OpLsh16x64(v, config)
   277  	case OpLsh16x8:
   278  		return rewriteValueS390X_OpLsh16x8(v, config)
   279  	case OpLsh32x16:
   280  		return rewriteValueS390X_OpLsh32x16(v, config)
   281  	case OpLsh32x32:
   282  		return rewriteValueS390X_OpLsh32x32(v, config)
   283  	case OpLsh32x64:
   284  		return rewriteValueS390X_OpLsh32x64(v, config)
   285  	case OpLsh32x8:
   286  		return rewriteValueS390X_OpLsh32x8(v, config)
   287  	case OpLsh64x16:
   288  		return rewriteValueS390X_OpLsh64x16(v, config)
   289  	case OpLsh64x32:
   290  		return rewriteValueS390X_OpLsh64x32(v, config)
   291  	case OpLsh64x64:
   292  		return rewriteValueS390X_OpLsh64x64(v, config)
   293  	case OpLsh64x8:
   294  		return rewriteValueS390X_OpLsh64x8(v, config)
   295  	case OpLsh8x16:
   296  		return rewriteValueS390X_OpLsh8x16(v, config)
   297  	case OpLsh8x32:
   298  		return rewriteValueS390X_OpLsh8x32(v, config)
   299  	case OpLsh8x64:
   300  		return rewriteValueS390X_OpLsh8x64(v, config)
   301  	case OpLsh8x8:
   302  		return rewriteValueS390X_OpLsh8x8(v, config)
   303  	case OpMod16:
   304  		return rewriteValueS390X_OpMod16(v, config)
   305  	case OpMod16u:
   306  		return rewriteValueS390X_OpMod16u(v, config)
   307  	case OpMod32:
   308  		return rewriteValueS390X_OpMod32(v, config)
   309  	case OpMod32u:
   310  		return rewriteValueS390X_OpMod32u(v, config)
   311  	case OpMod64:
   312  		return rewriteValueS390X_OpMod64(v, config)
   313  	case OpMod64u:
   314  		return rewriteValueS390X_OpMod64u(v, config)
   315  	case OpMod8:
   316  		return rewriteValueS390X_OpMod8(v, config)
   317  	case OpMod8u:
   318  		return rewriteValueS390X_OpMod8u(v, config)
   319  	case OpMove:
   320  		return rewriteValueS390X_OpMove(v, config)
   321  	case OpMul16:
   322  		return rewriteValueS390X_OpMul16(v, config)
   323  	case OpMul32:
   324  		return rewriteValueS390X_OpMul32(v, config)
   325  	case OpMul32F:
   326  		return rewriteValueS390X_OpMul32F(v, config)
   327  	case OpMul64:
   328  		return rewriteValueS390X_OpMul64(v, config)
   329  	case OpMul64F:
   330  		return rewriteValueS390X_OpMul64F(v, config)
   331  	case OpMul8:
   332  		return rewriteValueS390X_OpMul8(v, config)
   333  	case OpNeg16:
   334  		return rewriteValueS390X_OpNeg16(v, config)
   335  	case OpNeg32:
   336  		return rewriteValueS390X_OpNeg32(v, config)
   337  	case OpNeg32F:
   338  		return rewriteValueS390X_OpNeg32F(v, config)
   339  	case OpNeg64:
   340  		return rewriteValueS390X_OpNeg64(v, config)
   341  	case OpNeg64F:
   342  		return rewriteValueS390X_OpNeg64F(v, config)
   343  	case OpNeg8:
   344  		return rewriteValueS390X_OpNeg8(v, config)
   345  	case OpNeq16:
   346  		return rewriteValueS390X_OpNeq16(v, config)
   347  	case OpNeq32:
   348  		return rewriteValueS390X_OpNeq32(v, config)
   349  	case OpNeq32F:
   350  		return rewriteValueS390X_OpNeq32F(v, config)
   351  	case OpNeq64:
   352  		return rewriteValueS390X_OpNeq64(v, config)
   353  	case OpNeq64F:
   354  		return rewriteValueS390X_OpNeq64F(v, config)
   355  	case OpNeq8:
   356  		return rewriteValueS390X_OpNeq8(v, config)
   357  	case OpNeqB:
   358  		return rewriteValueS390X_OpNeqB(v, config)
   359  	case OpNeqPtr:
   360  		return rewriteValueS390X_OpNeqPtr(v, config)
   361  	case OpNilCheck:
   362  		return rewriteValueS390X_OpNilCheck(v, config)
   363  	case OpNot:
   364  		return rewriteValueS390X_OpNot(v, config)
   365  	case OpOffPtr:
   366  		return rewriteValueS390X_OpOffPtr(v, config)
   367  	case OpOr16:
   368  		return rewriteValueS390X_OpOr16(v, config)
   369  	case OpOr32:
   370  		return rewriteValueS390X_OpOr32(v, config)
   371  	case OpOr64:
   372  		return rewriteValueS390X_OpOr64(v, config)
   373  	case OpOr8:
   374  		return rewriteValueS390X_OpOr8(v, config)
   375  	case OpOrB:
   376  		return rewriteValueS390X_OpOrB(v, config)
   377  	case OpRsh16Ux16:
   378  		return rewriteValueS390X_OpRsh16Ux16(v, config)
   379  	case OpRsh16Ux32:
   380  		return rewriteValueS390X_OpRsh16Ux32(v, config)
   381  	case OpRsh16Ux64:
   382  		return rewriteValueS390X_OpRsh16Ux64(v, config)
   383  	case OpRsh16Ux8:
   384  		return rewriteValueS390X_OpRsh16Ux8(v, config)
   385  	case OpRsh16x16:
   386  		return rewriteValueS390X_OpRsh16x16(v, config)
   387  	case OpRsh16x32:
   388  		return rewriteValueS390X_OpRsh16x32(v, config)
   389  	case OpRsh16x64:
   390  		return rewriteValueS390X_OpRsh16x64(v, config)
   391  	case OpRsh16x8:
   392  		return rewriteValueS390X_OpRsh16x8(v, config)
   393  	case OpRsh32Ux16:
   394  		return rewriteValueS390X_OpRsh32Ux16(v, config)
   395  	case OpRsh32Ux32:
   396  		return rewriteValueS390X_OpRsh32Ux32(v, config)
   397  	case OpRsh32Ux64:
   398  		return rewriteValueS390X_OpRsh32Ux64(v, config)
   399  	case OpRsh32Ux8:
   400  		return rewriteValueS390X_OpRsh32Ux8(v, config)
   401  	case OpRsh32x16:
   402  		return rewriteValueS390X_OpRsh32x16(v, config)
   403  	case OpRsh32x32:
   404  		return rewriteValueS390X_OpRsh32x32(v, config)
   405  	case OpRsh32x64:
   406  		return rewriteValueS390X_OpRsh32x64(v, config)
   407  	case OpRsh32x8:
   408  		return rewriteValueS390X_OpRsh32x8(v, config)
   409  	case OpRsh64Ux16:
   410  		return rewriteValueS390X_OpRsh64Ux16(v, config)
   411  	case OpRsh64Ux32:
   412  		return rewriteValueS390X_OpRsh64Ux32(v, config)
   413  	case OpRsh64Ux64:
   414  		return rewriteValueS390X_OpRsh64Ux64(v, config)
   415  	case OpRsh64Ux8:
   416  		return rewriteValueS390X_OpRsh64Ux8(v, config)
   417  	case OpRsh64x16:
   418  		return rewriteValueS390X_OpRsh64x16(v, config)
   419  	case OpRsh64x32:
   420  		return rewriteValueS390X_OpRsh64x32(v, config)
   421  	case OpRsh64x64:
   422  		return rewriteValueS390X_OpRsh64x64(v, config)
   423  	case OpRsh64x8:
   424  		return rewriteValueS390X_OpRsh64x8(v, config)
   425  	case OpRsh8Ux16:
   426  		return rewriteValueS390X_OpRsh8Ux16(v, config)
   427  	case OpRsh8Ux32:
   428  		return rewriteValueS390X_OpRsh8Ux32(v, config)
   429  	case OpRsh8Ux64:
   430  		return rewriteValueS390X_OpRsh8Ux64(v, config)
   431  	case OpRsh8Ux8:
   432  		return rewriteValueS390X_OpRsh8Ux8(v, config)
   433  	case OpRsh8x16:
   434  		return rewriteValueS390X_OpRsh8x16(v, config)
   435  	case OpRsh8x32:
   436  		return rewriteValueS390X_OpRsh8x32(v, config)
   437  	case OpRsh8x64:
   438  		return rewriteValueS390X_OpRsh8x64(v, config)
   439  	case OpRsh8x8:
   440  		return rewriteValueS390X_OpRsh8x8(v, config)
   441  	case OpS390XADD:
   442  		return rewriteValueS390X_OpS390XADD(v, config)
   443  	case OpS390XADDW:
   444  		return rewriteValueS390X_OpS390XADDW(v, config)
   445  	case OpS390XADDWconst:
   446  		return rewriteValueS390X_OpS390XADDWconst(v, config)
   447  	case OpS390XADDconst:
   448  		return rewriteValueS390X_OpS390XADDconst(v, config)
   449  	case OpS390XAND:
   450  		return rewriteValueS390X_OpS390XAND(v, config)
   451  	case OpS390XANDW:
   452  		return rewriteValueS390X_OpS390XANDW(v, config)
   453  	case OpS390XANDWconst:
   454  		return rewriteValueS390X_OpS390XANDWconst(v, config)
   455  	case OpS390XANDconst:
   456  		return rewriteValueS390X_OpS390XANDconst(v, config)
   457  	case OpS390XCMP:
   458  		return rewriteValueS390X_OpS390XCMP(v, config)
   459  	case OpS390XCMPU:
   460  		return rewriteValueS390X_OpS390XCMPU(v, config)
   461  	case OpS390XCMPUconst:
   462  		return rewriteValueS390X_OpS390XCMPUconst(v, config)
   463  	case OpS390XCMPW:
   464  		return rewriteValueS390X_OpS390XCMPW(v, config)
   465  	case OpS390XCMPWU:
   466  		return rewriteValueS390X_OpS390XCMPWU(v, config)
   467  	case OpS390XCMPWUconst:
   468  		return rewriteValueS390X_OpS390XCMPWUconst(v, config)
   469  	case OpS390XCMPWconst:
   470  		return rewriteValueS390X_OpS390XCMPWconst(v, config)
   471  	case OpS390XCMPconst:
   472  		return rewriteValueS390X_OpS390XCMPconst(v, config)
   473  	case OpS390XFMOVDload:
   474  		return rewriteValueS390X_OpS390XFMOVDload(v, config)
   475  	case OpS390XFMOVDloadidx:
   476  		return rewriteValueS390X_OpS390XFMOVDloadidx(v, config)
   477  	case OpS390XFMOVDstore:
   478  		return rewriteValueS390X_OpS390XFMOVDstore(v, config)
   479  	case OpS390XFMOVDstoreidx:
   480  		return rewriteValueS390X_OpS390XFMOVDstoreidx(v, config)
   481  	case OpS390XFMOVSload:
   482  		return rewriteValueS390X_OpS390XFMOVSload(v, config)
   483  	case OpS390XFMOVSloadidx:
   484  		return rewriteValueS390X_OpS390XFMOVSloadidx(v, config)
   485  	case OpS390XFMOVSstore:
   486  		return rewriteValueS390X_OpS390XFMOVSstore(v, config)
   487  	case OpS390XFMOVSstoreidx:
   488  		return rewriteValueS390X_OpS390XFMOVSstoreidx(v, config)
   489  	case OpS390XMOVBZload:
   490  		return rewriteValueS390X_OpS390XMOVBZload(v, config)
   491  	case OpS390XMOVBZloadidx:
   492  		return rewriteValueS390X_OpS390XMOVBZloadidx(v, config)
   493  	case OpS390XMOVBZreg:
   494  		return rewriteValueS390X_OpS390XMOVBZreg(v, config)
   495  	case OpS390XMOVBload:
   496  		return rewriteValueS390X_OpS390XMOVBload(v, config)
   497  	case OpS390XMOVBreg:
   498  		return rewriteValueS390X_OpS390XMOVBreg(v, config)
   499  	case OpS390XMOVBstore:
   500  		return rewriteValueS390X_OpS390XMOVBstore(v, config)
   501  	case OpS390XMOVBstoreconst:
   502  		return rewriteValueS390X_OpS390XMOVBstoreconst(v, config)
   503  	case OpS390XMOVBstoreidx:
   504  		return rewriteValueS390X_OpS390XMOVBstoreidx(v, config)
   505  	case OpS390XMOVDEQ:
   506  		return rewriteValueS390X_OpS390XMOVDEQ(v, config)
   507  	case OpS390XMOVDGE:
   508  		return rewriteValueS390X_OpS390XMOVDGE(v, config)
   509  	case OpS390XMOVDGT:
   510  		return rewriteValueS390X_OpS390XMOVDGT(v, config)
   511  	case OpS390XMOVDLE:
   512  		return rewriteValueS390X_OpS390XMOVDLE(v, config)
   513  	case OpS390XMOVDLT:
   514  		return rewriteValueS390X_OpS390XMOVDLT(v, config)
   515  	case OpS390XMOVDNE:
   516  		return rewriteValueS390X_OpS390XMOVDNE(v, config)
   517  	case OpS390XMOVDaddridx:
   518  		return rewriteValueS390X_OpS390XMOVDaddridx(v, config)
   519  	case OpS390XMOVDload:
   520  		return rewriteValueS390X_OpS390XMOVDload(v, config)
   521  	case OpS390XMOVDloadidx:
   522  		return rewriteValueS390X_OpS390XMOVDloadidx(v, config)
   523  	case OpS390XMOVDnop:
   524  		return rewriteValueS390X_OpS390XMOVDnop(v, config)
   525  	case OpS390XMOVDreg:
   526  		return rewriteValueS390X_OpS390XMOVDreg(v, config)
   527  	case OpS390XMOVDstore:
   528  		return rewriteValueS390X_OpS390XMOVDstore(v, config)
   529  	case OpS390XMOVDstoreconst:
   530  		return rewriteValueS390X_OpS390XMOVDstoreconst(v, config)
   531  	case OpS390XMOVDstoreidx:
   532  		return rewriteValueS390X_OpS390XMOVDstoreidx(v, config)
   533  	case OpS390XMOVHBRstore:
   534  		return rewriteValueS390X_OpS390XMOVHBRstore(v, config)
   535  	case OpS390XMOVHBRstoreidx:
   536  		return rewriteValueS390X_OpS390XMOVHBRstoreidx(v, config)
   537  	case OpS390XMOVHZload:
   538  		return rewriteValueS390X_OpS390XMOVHZload(v, config)
   539  	case OpS390XMOVHZloadidx:
   540  		return rewriteValueS390X_OpS390XMOVHZloadidx(v, config)
   541  	case OpS390XMOVHZreg:
   542  		return rewriteValueS390X_OpS390XMOVHZreg(v, config)
   543  	case OpS390XMOVHload:
   544  		return rewriteValueS390X_OpS390XMOVHload(v, config)
   545  	case OpS390XMOVHreg:
   546  		return rewriteValueS390X_OpS390XMOVHreg(v, config)
   547  	case OpS390XMOVHstore:
   548  		return rewriteValueS390X_OpS390XMOVHstore(v, config)
   549  	case OpS390XMOVHstoreconst:
   550  		return rewriteValueS390X_OpS390XMOVHstoreconst(v, config)
   551  	case OpS390XMOVHstoreidx:
   552  		return rewriteValueS390X_OpS390XMOVHstoreidx(v, config)
   553  	case OpS390XMOVWBRstore:
   554  		return rewriteValueS390X_OpS390XMOVWBRstore(v, config)
   555  	case OpS390XMOVWBRstoreidx:
   556  		return rewriteValueS390X_OpS390XMOVWBRstoreidx(v, config)
   557  	case OpS390XMOVWZload:
   558  		return rewriteValueS390X_OpS390XMOVWZload(v, config)
   559  	case OpS390XMOVWZloadidx:
   560  		return rewriteValueS390X_OpS390XMOVWZloadidx(v, config)
   561  	case OpS390XMOVWZreg:
   562  		return rewriteValueS390X_OpS390XMOVWZreg(v, config)
   563  	case OpS390XMOVWload:
   564  		return rewriteValueS390X_OpS390XMOVWload(v, config)
   565  	case OpS390XMOVWreg:
   566  		return rewriteValueS390X_OpS390XMOVWreg(v, config)
   567  	case OpS390XMOVWstore:
   568  		return rewriteValueS390X_OpS390XMOVWstore(v, config)
   569  	case OpS390XMOVWstoreconst:
   570  		return rewriteValueS390X_OpS390XMOVWstoreconst(v, config)
   571  	case OpS390XMOVWstoreidx:
   572  		return rewriteValueS390X_OpS390XMOVWstoreidx(v, config)
   573  	case OpS390XMULLD:
   574  		return rewriteValueS390X_OpS390XMULLD(v, config)
   575  	case OpS390XMULLDconst:
   576  		return rewriteValueS390X_OpS390XMULLDconst(v, config)
   577  	case OpS390XMULLW:
   578  		return rewriteValueS390X_OpS390XMULLW(v, config)
   579  	case OpS390XMULLWconst:
   580  		return rewriteValueS390X_OpS390XMULLWconst(v, config)
   581  	case OpS390XNEG:
   582  		return rewriteValueS390X_OpS390XNEG(v, config)
   583  	case OpS390XNEGW:
   584  		return rewriteValueS390X_OpS390XNEGW(v, config)
   585  	case OpS390XNOT:
   586  		return rewriteValueS390X_OpS390XNOT(v, config)
   587  	case OpS390XNOTW:
   588  		return rewriteValueS390X_OpS390XNOTW(v, config)
   589  	case OpS390XOR:
   590  		return rewriteValueS390X_OpS390XOR(v, config)
   591  	case OpS390XORW:
   592  		return rewriteValueS390X_OpS390XORW(v, config)
   593  	case OpS390XORWconst:
   594  		return rewriteValueS390X_OpS390XORWconst(v, config)
   595  	case OpS390XORconst:
   596  		return rewriteValueS390X_OpS390XORconst(v, config)
   597  	case OpS390XSLD:
   598  		return rewriteValueS390X_OpS390XSLD(v, config)
   599  	case OpS390XSLW:
   600  		return rewriteValueS390X_OpS390XSLW(v, config)
   601  	case OpS390XSRAD:
   602  		return rewriteValueS390X_OpS390XSRAD(v, config)
   603  	case OpS390XSRADconst:
   604  		return rewriteValueS390X_OpS390XSRADconst(v, config)
   605  	case OpS390XSRAW:
   606  		return rewriteValueS390X_OpS390XSRAW(v, config)
   607  	case OpS390XSRAWconst:
   608  		return rewriteValueS390X_OpS390XSRAWconst(v, config)
   609  	case OpS390XSRD:
   610  		return rewriteValueS390X_OpS390XSRD(v, config)
   611  	case OpS390XSRW:
   612  		return rewriteValueS390X_OpS390XSRW(v, config)
   613  	case OpS390XSTM2:
   614  		return rewriteValueS390X_OpS390XSTM2(v, config)
   615  	case OpS390XSTMG2:
   616  		return rewriteValueS390X_OpS390XSTMG2(v, config)
   617  	case OpS390XSUB:
   618  		return rewriteValueS390X_OpS390XSUB(v, config)
   619  	case OpS390XSUBEWcarrymask:
   620  		return rewriteValueS390X_OpS390XSUBEWcarrymask(v, config)
   621  	case OpS390XSUBEcarrymask:
   622  		return rewriteValueS390X_OpS390XSUBEcarrymask(v, config)
   623  	case OpS390XSUBW:
   624  		return rewriteValueS390X_OpS390XSUBW(v, config)
   625  	case OpS390XSUBWconst:
   626  		return rewriteValueS390X_OpS390XSUBWconst(v, config)
   627  	case OpS390XSUBconst:
   628  		return rewriteValueS390X_OpS390XSUBconst(v, config)
   629  	case OpS390XXOR:
   630  		return rewriteValueS390X_OpS390XXOR(v, config)
   631  	case OpS390XXORW:
   632  		return rewriteValueS390X_OpS390XXORW(v, config)
   633  	case OpS390XXORWconst:
   634  		return rewriteValueS390X_OpS390XXORWconst(v, config)
   635  	case OpS390XXORconst:
   636  		return rewriteValueS390X_OpS390XXORconst(v, config)
   637  	case OpSelect0:
   638  		return rewriteValueS390X_OpSelect0(v, config)
   639  	case OpSelect1:
   640  		return rewriteValueS390X_OpSelect1(v, config)
   641  	case OpSignExt16to32:
   642  		return rewriteValueS390X_OpSignExt16to32(v, config)
   643  	case OpSignExt16to64:
   644  		return rewriteValueS390X_OpSignExt16to64(v, config)
   645  	case OpSignExt32to64:
   646  		return rewriteValueS390X_OpSignExt32to64(v, config)
   647  	case OpSignExt8to16:
   648  		return rewriteValueS390X_OpSignExt8to16(v, config)
   649  	case OpSignExt8to32:
   650  		return rewriteValueS390X_OpSignExt8to32(v, config)
   651  	case OpSignExt8to64:
   652  		return rewriteValueS390X_OpSignExt8to64(v, config)
   653  	case OpSlicemask:
   654  		return rewriteValueS390X_OpSlicemask(v, config)
   655  	case OpSqrt:
   656  		return rewriteValueS390X_OpSqrt(v, config)
   657  	case OpStaticCall:
   658  		return rewriteValueS390X_OpStaticCall(v, config)
   659  	case OpStore:
   660  		return rewriteValueS390X_OpStore(v, config)
   661  	case OpSub16:
   662  		return rewriteValueS390X_OpSub16(v, config)
   663  	case OpSub32:
   664  		return rewriteValueS390X_OpSub32(v, config)
   665  	case OpSub32F:
   666  		return rewriteValueS390X_OpSub32F(v, config)
   667  	case OpSub64:
   668  		return rewriteValueS390X_OpSub64(v, config)
   669  	case OpSub64F:
   670  		return rewriteValueS390X_OpSub64F(v, config)
   671  	case OpSub8:
   672  		return rewriteValueS390X_OpSub8(v, config)
   673  	case OpSubPtr:
   674  		return rewriteValueS390X_OpSubPtr(v, config)
   675  	case OpTrunc16to8:
   676  		return rewriteValueS390X_OpTrunc16to8(v, config)
   677  	case OpTrunc32to16:
   678  		return rewriteValueS390X_OpTrunc32to16(v, config)
   679  	case OpTrunc32to8:
   680  		return rewriteValueS390X_OpTrunc32to8(v, config)
   681  	case OpTrunc64to16:
   682  		return rewriteValueS390X_OpTrunc64to16(v, config)
   683  	case OpTrunc64to32:
   684  		return rewriteValueS390X_OpTrunc64to32(v, config)
   685  	case OpTrunc64to8:
   686  		return rewriteValueS390X_OpTrunc64to8(v, config)
   687  	case OpXor16:
   688  		return rewriteValueS390X_OpXor16(v, config)
   689  	case OpXor32:
   690  		return rewriteValueS390X_OpXor32(v, config)
   691  	case OpXor64:
   692  		return rewriteValueS390X_OpXor64(v, config)
   693  	case OpXor8:
   694  		return rewriteValueS390X_OpXor8(v, config)
   695  	case OpZero:
   696  		return rewriteValueS390X_OpZero(v, config)
   697  	case OpZeroExt16to32:
   698  		return rewriteValueS390X_OpZeroExt16to32(v, config)
   699  	case OpZeroExt16to64:
   700  		return rewriteValueS390X_OpZeroExt16to64(v, config)
   701  	case OpZeroExt32to64:
   702  		return rewriteValueS390X_OpZeroExt32to64(v, config)
   703  	case OpZeroExt8to16:
   704  		return rewriteValueS390X_OpZeroExt8to16(v, config)
   705  	case OpZeroExt8to32:
   706  		return rewriteValueS390X_OpZeroExt8to32(v, config)
   707  	case OpZeroExt8to64:
   708  		return rewriteValueS390X_OpZeroExt8to64(v, config)
   709  	}
   710  	return false
   711  }
   712  func rewriteValueS390X_OpAdd16(v *Value, config *Config) bool {
   713  	b := v.Block
   714  	_ = b
   715  	// match: (Add16  x y)
   716  	// cond:
   717  	// result: (ADDW  x y)
   718  	for {
   719  		x := v.Args[0]
   720  		y := v.Args[1]
   721  		v.reset(OpS390XADDW)
   722  		v.AddArg(x)
   723  		v.AddArg(y)
   724  		return true
   725  	}
   726  }
   727  func rewriteValueS390X_OpAdd32(v *Value, config *Config) bool {
   728  	b := v.Block
   729  	_ = b
   730  	// match: (Add32  x y)
   731  	// cond:
   732  	// result: (ADDW  x y)
   733  	for {
   734  		x := v.Args[0]
   735  		y := v.Args[1]
   736  		v.reset(OpS390XADDW)
   737  		v.AddArg(x)
   738  		v.AddArg(y)
   739  		return true
   740  	}
   741  }
   742  func rewriteValueS390X_OpAdd32F(v *Value, config *Config) bool {
   743  	b := v.Block
   744  	_ = b
   745  	// match: (Add32F x y)
   746  	// cond:
   747  	// result: (FADDS x y)
   748  	for {
   749  		x := v.Args[0]
   750  		y := v.Args[1]
   751  		v.reset(OpS390XFADDS)
   752  		v.AddArg(x)
   753  		v.AddArg(y)
   754  		return true
   755  	}
   756  }
   757  func rewriteValueS390X_OpAdd64(v *Value, config *Config) bool {
   758  	b := v.Block
   759  	_ = b
   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, config *Config) bool {
   773  	b := v.Block
   774  	_ = b
   775  	// match: (Add64F x y)
   776  	// cond:
   777  	// result: (FADD x y)
   778  	for {
   779  		x := v.Args[0]
   780  		y := v.Args[1]
   781  		v.reset(OpS390XFADD)
   782  		v.AddArg(x)
   783  		v.AddArg(y)
   784  		return true
   785  	}
   786  }
   787  func rewriteValueS390X_OpAdd8(v *Value, config *Config) bool {
   788  	b := v.Block
   789  	_ = b
   790  	// match: (Add8   x y)
   791  	// cond:
   792  	// result: (ADDW  x y)
   793  	for {
   794  		x := v.Args[0]
   795  		y := v.Args[1]
   796  		v.reset(OpS390XADDW)
   797  		v.AddArg(x)
   798  		v.AddArg(y)
   799  		return true
   800  	}
   801  }
   802  func rewriteValueS390X_OpAddPtr(v *Value, config *Config) bool {
   803  	b := v.Block
   804  	_ = b
   805  	// match: (AddPtr x y)
   806  	// cond:
   807  	// result: (ADD  x y)
   808  	for {
   809  		x := v.Args[0]
   810  		y := v.Args[1]
   811  		v.reset(OpS390XADD)
   812  		v.AddArg(x)
   813  		v.AddArg(y)
   814  		return true
   815  	}
   816  }
   817  func rewriteValueS390X_OpAddr(v *Value, config *Config) bool {
   818  	b := v.Block
   819  	_ = b
   820  	// match: (Addr {sym} base)
   821  	// cond:
   822  	// result: (MOVDaddr {sym} base)
   823  	for {
   824  		sym := v.Aux
   825  		base := v.Args[0]
   826  		v.reset(OpS390XMOVDaddr)
   827  		v.Aux = sym
   828  		v.AddArg(base)
   829  		return true
   830  	}
   831  }
   832  func rewriteValueS390X_OpAnd16(v *Value, config *Config) bool {
   833  	b := v.Block
   834  	_ = b
   835  	// match: (And16 x y)
   836  	// cond:
   837  	// result: (ANDW x y)
   838  	for {
   839  		x := v.Args[0]
   840  		y := v.Args[1]
   841  		v.reset(OpS390XANDW)
   842  		v.AddArg(x)
   843  		v.AddArg(y)
   844  		return true
   845  	}
   846  }
   847  func rewriteValueS390X_OpAnd32(v *Value, config *Config) bool {
   848  	b := v.Block
   849  	_ = b
   850  	// match: (And32 x y)
   851  	// cond:
   852  	// result: (ANDW x y)
   853  	for {
   854  		x := v.Args[0]
   855  		y := v.Args[1]
   856  		v.reset(OpS390XANDW)
   857  		v.AddArg(x)
   858  		v.AddArg(y)
   859  		return true
   860  	}
   861  }
   862  func rewriteValueS390X_OpAnd64(v *Value, config *Config) bool {
   863  	b := v.Block
   864  	_ = b
   865  	// match: (And64 x y)
   866  	// cond:
   867  	// result: (AND x y)
   868  	for {
   869  		x := v.Args[0]
   870  		y := v.Args[1]
   871  		v.reset(OpS390XAND)
   872  		v.AddArg(x)
   873  		v.AddArg(y)
   874  		return true
   875  	}
   876  }
   877  func rewriteValueS390X_OpAnd8(v *Value, config *Config) bool {
   878  	b := v.Block
   879  	_ = b
   880  	// match: (And8  x y)
   881  	// cond:
   882  	// result: (ANDW x y)
   883  	for {
   884  		x := v.Args[0]
   885  		y := v.Args[1]
   886  		v.reset(OpS390XANDW)
   887  		v.AddArg(x)
   888  		v.AddArg(y)
   889  		return true
   890  	}
   891  }
   892  func rewriteValueS390X_OpAndB(v *Value, config *Config) bool {
   893  	b := v.Block
   894  	_ = b
   895  	// match: (AndB x y)
   896  	// cond:
   897  	// result: (ANDW x y)
   898  	for {
   899  		x := v.Args[0]
   900  		y := v.Args[1]
   901  		v.reset(OpS390XANDW)
   902  		v.AddArg(x)
   903  		v.AddArg(y)
   904  		return true
   905  	}
   906  }
   907  func rewriteValueS390X_OpAtomicAdd32(v *Value, config *Config) bool {
   908  	b := v.Block
   909  	_ = b
   910  	// match: (AtomicAdd32 ptr val mem)
   911  	// cond:
   912  	// result: (AddTupleFirst32 (LAA ptr val mem) val)
   913  	for {
   914  		ptr := v.Args[0]
   915  		val := v.Args[1]
   916  		mem := v.Args[2]
   917  		v.reset(OpS390XAddTupleFirst32)
   918  		v0 := b.NewValue0(v.Pos, OpS390XLAA, MakeTuple(config.fe.TypeUInt32(), TypeMem))
   919  		v0.AddArg(ptr)
   920  		v0.AddArg(val)
   921  		v0.AddArg(mem)
   922  		v.AddArg(v0)
   923  		v.AddArg(val)
   924  		return true
   925  	}
   926  }
   927  func rewriteValueS390X_OpAtomicAdd64(v *Value, config *Config) bool {
   928  	b := v.Block
   929  	_ = b
   930  	// match: (AtomicAdd64 ptr val mem)
   931  	// cond:
   932  	// result: (AddTupleFirst64 (LAAG ptr val mem) val)
   933  	for {
   934  		ptr := v.Args[0]
   935  		val := v.Args[1]
   936  		mem := v.Args[2]
   937  		v.reset(OpS390XAddTupleFirst64)
   938  		v0 := b.NewValue0(v.Pos, OpS390XLAAG, MakeTuple(config.fe.TypeUInt64(), TypeMem))
   939  		v0.AddArg(ptr)
   940  		v0.AddArg(val)
   941  		v0.AddArg(mem)
   942  		v.AddArg(v0)
   943  		v.AddArg(val)
   944  		return true
   945  	}
   946  }
   947  func rewriteValueS390X_OpAtomicCompareAndSwap32(v *Value, config *Config) bool {
   948  	b := v.Block
   949  	_ = b
   950  	// match: (AtomicCompareAndSwap32 ptr old new_ mem)
   951  	// cond:
   952  	// result: (LoweredAtomicCas32 ptr old new_ mem)
   953  	for {
   954  		ptr := v.Args[0]
   955  		old := v.Args[1]
   956  		new_ := v.Args[2]
   957  		mem := v.Args[3]
   958  		v.reset(OpS390XLoweredAtomicCas32)
   959  		v.AddArg(ptr)
   960  		v.AddArg(old)
   961  		v.AddArg(new_)
   962  		v.AddArg(mem)
   963  		return true
   964  	}
   965  }
   966  func rewriteValueS390X_OpAtomicCompareAndSwap64(v *Value, config *Config) bool {
   967  	b := v.Block
   968  	_ = b
   969  	// match: (AtomicCompareAndSwap64 ptr old new_ mem)
   970  	// cond:
   971  	// result: (LoweredAtomicCas64 ptr old new_ mem)
   972  	for {
   973  		ptr := v.Args[0]
   974  		old := v.Args[1]
   975  		new_ := v.Args[2]
   976  		mem := v.Args[3]
   977  		v.reset(OpS390XLoweredAtomicCas64)
   978  		v.AddArg(ptr)
   979  		v.AddArg(old)
   980  		v.AddArg(new_)
   981  		v.AddArg(mem)
   982  		return true
   983  	}
   984  }
   985  func rewriteValueS390X_OpAtomicExchange32(v *Value, config *Config) bool {
   986  	b := v.Block
   987  	_ = b
   988  	// match: (AtomicExchange32 ptr val mem)
   989  	// cond:
   990  	// result: (LoweredAtomicExchange32 ptr val mem)
   991  	for {
   992  		ptr := v.Args[0]
   993  		val := v.Args[1]
   994  		mem := v.Args[2]
   995  		v.reset(OpS390XLoweredAtomicExchange32)
   996  		v.AddArg(ptr)
   997  		v.AddArg(val)
   998  		v.AddArg(mem)
   999  		return true
  1000  	}
  1001  }
  1002  func rewriteValueS390X_OpAtomicExchange64(v *Value, config *Config) bool {
  1003  	b := v.Block
  1004  	_ = b
  1005  	// match: (AtomicExchange64 ptr val mem)
  1006  	// cond:
  1007  	// result: (LoweredAtomicExchange64 ptr val mem)
  1008  	for {
  1009  		ptr := v.Args[0]
  1010  		val := v.Args[1]
  1011  		mem := v.Args[2]
  1012  		v.reset(OpS390XLoweredAtomicExchange64)
  1013  		v.AddArg(ptr)
  1014  		v.AddArg(val)
  1015  		v.AddArg(mem)
  1016  		return true
  1017  	}
  1018  }
  1019  func rewriteValueS390X_OpAtomicLoad32(v *Value, config *Config) bool {
  1020  	b := v.Block
  1021  	_ = b
  1022  	// match: (AtomicLoad32 ptr mem)
  1023  	// cond:
  1024  	// result: (MOVWZatomicload ptr mem)
  1025  	for {
  1026  		ptr := v.Args[0]
  1027  		mem := v.Args[1]
  1028  		v.reset(OpS390XMOVWZatomicload)
  1029  		v.AddArg(ptr)
  1030  		v.AddArg(mem)
  1031  		return true
  1032  	}
  1033  }
  1034  func rewriteValueS390X_OpAtomicLoad64(v *Value, config *Config) bool {
  1035  	b := v.Block
  1036  	_ = b
  1037  	// match: (AtomicLoad64 ptr mem)
  1038  	// cond:
  1039  	// result: (MOVDatomicload ptr mem)
  1040  	for {
  1041  		ptr := v.Args[0]
  1042  		mem := v.Args[1]
  1043  		v.reset(OpS390XMOVDatomicload)
  1044  		v.AddArg(ptr)
  1045  		v.AddArg(mem)
  1046  		return true
  1047  	}
  1048  }
  1049  func rewriteValueS390X_OpAtomicLoadPtr(v *Value, config *Config) bool {
  1050  	b := v.Block
  1051  	_ = b
  1052  	// match: (AtomicLoadPtr ptr mem)
  1053  	// cond:
  1054  	// result: (MOVDatomicload ptr mem)
  1055  	for {
  1056  		ptr := v.Args[0]
  1057  		mem := v.Args[1]
  1058  		v.reset(OpS390XMOVDatomicload)
  1059  		v.AddArg(ptr)
  1060  		v.AddArg(mem)
  1061  		return true
  1062  	}
  1063  }
  1064  func rewriteValueS390X_OpAtomicStore32(v *Value, config *Config) bool {
  1065  	b := v.Block
  1066  	_ = b
  1067  	// match: (AtomicStore32 ptr val mem)
  1068  	// cond:
  1069  	// result: (MOVWatomicstore ptr val mem)
  1070  	for {
  1071  		ptr := v.Args[0]
  1072  		val := v.Args[1]
  1073  		mem := v.Args[2]
  1074  		v.reset(OpS390XMOVWatomicstore)
  1075  		v.AddArg(ptr)
  1076  		v.AddArg(val)
  1077  		v.AddArg(mem)
  1078  		return true
  1079  	}
  1080  }
  1081  func rewriteValueS390X_OpAtomicStore64(v *Value, config *Config) bool {
  1082  	b := v.Block
  1083  	_ = b
  1084  	// match: (AtomicStore64 ptr val mem)
  1085  	// cond:
  1086  	// result: (MOVDatomicstore ptr val mem)
  1087  	for {
  1088  		ptr := v.Args[0]
  1089  		val := v.Args[1]
  1090  		mem := v.Args[2]
  1091  		v.reset(OpS390XMOVDatomicstore)
  1092  		v.AddArg(ptr)
  1093  		v.AddArg(val)
  1094  		v.AddArg(mem)
  1095  		return true
  1096  	}
  1097  }
  1098  func rewriteValueS390X_OpAtomicStorePtrNoWB(v *Value, config *Config) bool {
  1099  	b := v.Block
  1100  	_ = b
  1101  	// match: (AtomicStorePtrNoWB ptr val mem)
  1102  	// cond:
  1103  	// result: (MOVDatomicstore ptr val mem)
  1104  	for {
  1105  		ptr := v.Args[0]
  1106  		val := v.Args[1]
  1107  		mem := v.Args[2]
  1108  		v.reset(OpS390XMOVDatomicstore)
  1109  		v.AddArg(ptr)
  1110  		v.AddArg(val)
  1111  		v.AddArg(mem)
  1112  		return true
  1113  	}
  1114  }
  1115  func rewriteValueS390X_OpAvg64u(v *Value, config *Config) bool {
  1116  	b := v.Block
  1117  	_ = b
  1118  	// match: (Avg64u <t> x y)
  1119  	// cond:
  1120  	// result: (ADD (ADD <t> (SRDconst <t> x [1]) (SRDconst <t> y [1])) (ANDconst <t> (AND <t> x y) [1]))
  1121  	for {
  1122  		t := v.Type
  1123  		x := v.Args[0]
  1124  		y := v.Args[1]
  1125  		v.reset(OpS390XADD)
  1126  		v0 := b.NewValue0(v.Pos, OpS390XADD, t)
  1127  		v1 := b.NewValue0(v.Pos, OpS390XSRDconst, t)
  1128  		v1.AuxInt = 1
  1129  		v1.AddArg(x)
  1130  		v0.AddArg(v1)
  1131  		v2 := b.NewValue0(v.Pos, OpS390XSRDconst, t)
  1132  		v2.AuxInt = 1
  1133  		v2.AddArg(y)
  1134  		v0.AddArg(v2)
  1135  		v.AddArg(v0)
  1136  		v3 := b.NewValue0(v.Pos, OpS390XANDconst, t)
  1137  		v3.AuxInt = 1
  1138  		v4 := b.NewValue0(v.Pos, OpS390XAND, t)
  1139  		v4.AddArg(x)
  1140  		v4.AddArg(y)
  1141  		v3.AddArg(v4)
  1142  		v.AddArg(v3)
  1143  		return true
  1144  	}
  1145  }
  1146  func rewriteValueS390X_OpBswap32(v *Value, config *Config) bool {
  1147  	b := v.Block
  1148  	_ = b
  1149  	// match: (Bswap32 x)
  1150  	// cond:
  1151  	// result: (MOVWBR x)
  1152  	for {
  1153  		x := v.Args[0]
  1154  		v.reset(OpS390XMOVWBR)
  1155  		v.AddArg(x)
  1156  		return true
  1157  	}
  1158  }
  1159  func rewriteValueS390X_OpBswap64(v *Value, config *Config) bool {
  1160  	b := v.Block
  1161  	_ = b
  1162  	// match: (Bswap64 x)
  1163  	// cond:
  1164  	// result: (MOVDBR x)
  1165  	for {
  1166  		x := v.Args[0]
  1167  		v.reset(OpS390XMOVDBR)
  1168  		v.AddArg(x)
  1169  		return true
  1170  	}
  1171  }
  1172  func rewriteValueS390X_OpClosureCall(v *Value, config *Config) bool {
  1173  	b := v.Block
  1174  	_ = b
  1175  	// match: (ClosureCall [argwid] entry closure mem)
  1176  	// cond:
  1177  	// result: (CALLclosure [argwid] entry closure mem)
  1178  	for {
  1179  		argwid := v.AuxInt
  1180  		entry := v.Args[0]
  1181  		closure := v.Args[1]
  1182  		mem := v.Args[2]
  1183  		v.reset(OpS390XCALLclosure)
  1184  		v.AuxInt = argwid
  1185  		v.AddArg(entry)
  1186  		v.AddArg(closure)
  1187  		v.AddArg(mem)
  1188  		return true
  1189  	}
  1190  }
  1191  func rewriteValueS390X_OpCom16(v *Value, config *Config) bool {
  1192  	b := v.Block
  1193  	_ = b
  1194  	// match: (Com16 x)
  1195  	// cond:
  1196  	// result: (NOTW x)
  1197  	for {
  1198  		x := v.Args[0]
  1199  		v.reset(OpS390XNOTW)
  1200  		v.AddArg(x)
  1201  		return true
  1202  	}
  1203  }
  1204  func rewriteValueS390X_OpCom32(v *Value, config *Config) bool {
  1205  	b := v.Block
  1206  	_ = b
  1207  	// match: (Com32 x)
  1208  	// cond:
  1209  	// result: (NOTW x)
  1210  	for {
  1211  		x := v.Args[0]
  1212  		v.reset(OpS390XNOTW)
  1213  		v.AddArg(x)
  1214  		return true
  1215  	}
  1216  }
  1217  func rewriteValueS390X_OpCom64(v *Value, config *Config) bool {
  1218  	b := v.Block
  1219  	_ = b
  1220  	// match: (Com64 x)
  1221  	// cond:
  1222  	// result: (NOT x)
  1223  	for {
  1224  		x := v.Args[0]
  1225  		v.reset(OpS390XNOT)
  1226  		v.AddArg(x)
  1227  		return true
  1228  	}
  1229  }
  1230  func rewriteValueS390X_OpCom8(v *Value, config *Config) bool {
  1231  	b := v.Block
  1232  	_ = b
  1233  	// match: (Com8  x)
  1234  	// cond:
  1235  	// result: (NOTW x)
  1236  	for {
  1237  		x := v.Args[0]
  1238  		v.reset(OpS390XNOTW)
  1239  		v.AddArg(x)
  1240  		return true
  1241  	}
  1242  }
  1243  func rewriteValueS390X_OpConst16(v *Value, config *Config) bool {
  1244  	b := v.Block
  1245  	_ = b
  1246  	// match: (Const16  [val])
  1247  	// cond:
  1248  	// result: (MOVDconst [val])
  1249  	for {
  1250  		val := v.AuxInt
  1251  		v.reset(OpS390XMOVDconst)
  1252  		v.AuxInt = val
  1253  		return true
  1254  	}
  1255  }
  1256  func rewriteValueS390X_OpConst32(v *Value, config *Config) bool {
  1257  	b := v.Block
  1258  	_ = b
  1259  	// match: (Const32  [val])
  1260  	// cond:
  1261  	// result: (MOVDconst [val])
  1262  	for {
  1263  		val := v.AuxInt
  1264  		v.reset(OpS390XMOVDconst)
  1265  		v.AuxInt = val
  1266  		return true
  1267  	}
  1268  }
  1269  func rewriteValueS390X_OpConst32F(v *Value, config *Config) bool {
  1270  	b := v.Block
  1271  	_ = b
  1272  	// match: (Const32F [val])
  1273  	// cond:
  1274  	// result: (FMOVSconst [val])
  1275  	for {
  1276  		val := v.AuxInt
  1277  		v.reset(OpS390XFMOVSconst)
  1278  		v.AuxInt = val
  1279  		return true
  1280  	}
  1281  }
  1282  func rewriteValueS390X_OpConst64(v *Value, config *Config) bool {
  1283  	b := v.Block
  1284  	_ = b
  1285  	// match: (Const64  [val])
  1286  	// cond:
  1287  	// result: (MOVDconst [val])
  1288  	for {
  1289  		val := v.AuxInt
  1290  		v.reset(OpS390XMOVDconst)
  1291  		v.AuxInt = val
  1292  		return true
  1293  	}
  1294  }
  1295  func rewriteValueS390X_OpConst64F(v *Value, config *Config) bool {
  1296  	b := v.Block
  1297  	_ = b
  1298  	// match: (Const64F [val])
  1299  	// cond:
  1300  	// result: (FMOVDconst [val])
  1301  	for {
  1302  		val := v.AuxInt
  1303  		v.reset(OpS390XFMOVDconst)
  1304  		v.AuxInt = val
  1305  		return true
  1306  	}
  1307  }
  1308  func rewriteValueS390X_OpConst8(v *Value, config *Config) bool {
  1309  	b := v.Block
  1310  	_ = b
  1311  	// match: (Const8   [val])
  1312  	// cond:
  1313  	// result: (MOVDconst [val])
  1314  	for {
  1315  		val := v.AuxInt
  1316  		v.reset(OpS390XMOVDconst)
  1317  		v.AuxInt = val
  1318  		return true
  1319  	}
  1320  }
  1321  func rewriteValueS390X_OpConstBool(v *Value, config *Config) bool {
  1322  	b := v.Block
  1323  	_ = b
  1324  	// match: (ConstBool [b])
  1325  	// cond:
  1326  	// result: (MOVDconst [b])
  1327  	for {
  1328  		b := v.AuxInt
  1329  		v.reset(OpS390XMOVDconst)
  1330  		v.AuxInt = b
  1331  		return true
  1332  	}
  1333  }
  1334  func rewriteValueS390X_OpConstNil(v *Value, config *Config) bool {
  1335  	b := v.Block
  1336  	_ = b
  1337  	// match: (ConstNil)
  1338  	// cond:
  1339  	// result: (MOVDconst [0])
  1340  	for {
  1341  		v.reset(OpS390XMOVDconst)
  1342  		v.AuxInt = 0
  1343  		return true
  1344  	}
  1345  }
  1346  func rewriteValueS390X_OpConvert(v *Value, config *Config) bool {
  1347  	b := v.Block
  1348  	_ = b
  1349  	// match: (Convert <t> x mem)
  1350  	// cond:
  1351  	// result: (MOVDconvert <t> x mem)
  1352  	for {
  1353  		t := v.Type
  1354  		x := v.Args[0]
  1355  		mem := v.Args[1]
  1356  		v.reset(OpS390XMOVDconvert)
  1357  		v.Type = t
  1358  		v.AddArg(x)
  1359  		v.AddArg(mem)
  1360  		return true
  1361  	}
  1362  }
  1363  func rewriteValueS390X_OpCtz32(v *Value, config *Config) bool {
  1364  	b := v.Block
  1365  	_ = b
  1366  	// match: (Ctz32 <t> x)
  1367  	// cond:
  1368  	// result: (SUB (MOVDconst [64]) (FLOGR (MOVWZreg (ANDW <t> (SUBWconst <t> [1] x) (NOTW <t> x)))))
  1369  	for {
  1370  		t := v.Type
  1371  		x := v.Args[0]
  1372  		v.reset(OpS390XSUB)
  1373  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1374  		v0.AuxInt = 64
  1375  		v.AddArg(v0)
  1376  		v1 := b.NewValue0(v.Pos, OpS390XFLOGR, config.fe.TypeUInt64())
  1377  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, config.fe.TypeUInt64())
  1378  		v3 := b.NewValue0(v.Pos, OpS390XANDW, t)
  1379  		v4 := b.NewValue0(v.Pos, OpS390XSUBWconst, t)
  1380  		v4.AuxInt = 1
  1381  		v4.AddArg(x)
  1382  		v3.AddArg(v4)
  1383  		v5 := b.NewValue0(v.Pos, OpS390XNOTW, t)
  1384  		v5.AddArg(x)
  1385  		v3.AddArg(v5)
  1386  		v2.AddArg(v3)
  1387  		v1.AddArg(v2)
  1388  		v.AddArg(v1)
  1389  		return true
  1390  	}
  1391  }
  1392  func rewriteValueS390X_OpCtz64(v *Value, config *Config) bool {
  1393  	b := v.Block
  1394  	_ = b
  1395  	// match: (Ctz64 <t> x)
  1396  	// cond:
  1397  	// result: (SUB (MOVDconst [64]) (FLOGR (AND <t> (SUBconst <t> [1] x) (NOT <t> x))))
  1398  	for {
  1399  		t := v.Type
  1400  		x := v.Args[0]
  1401  		v.reset(OpS390XSUB)
  1402  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1403  		v0.AuxInt = 64
  1404  		v.AddArg(v0)
  1405  		v1 := b.NewValue0(v.Pos, OpS390XFLOGR, config.fe.TypeUInt64())
  1406  		v2 := b.NewValue0(v.Pos, OpS390XAND, t)
  1407  		v3 := b.NewValue0(v.Pos, OpS390XSUBconst, t)
  1408  		v3.AuxInt = 1
  1409  		v3.AddArg(x)
  1410  		v2.AddArg(v3)
  1411  		v4 := b.NewValue0(v.Pos, OpS390XNOT, t)
  1412  		v4.AddArg(x)
  1413  		v2.AddArg(v4)
  1414  		v1.AddArg(v2)
  1415  		v.AddArg(v1)
  1416  		return true
  1417  	}
  1418  }
  1419  func rewriteValueS390X_OpCvt32Fto32(v *Value, config *Config) bool {
  1420  	b := v.Block
  1421  	_ = b
  1422  	// match: (Cvt32Fto32 x)
  1423  	// cond:
  1424  	// result: (CFEBRA x)
  1425  	for {
  1426  		x := v.Args[0]
  1427  		v.reset(OpS390XCFEBRA)
  1428  		v.AddArg(x)
  1429  		return true
  1430  	}
  1431  }
  1432  func rewriteValueS390X_OpCvt32Fto64(v *Value, config *Config) bool {
  1433  	b := v.Block
  1434  	_ = b
  1435  	// match: (Cvt32Fto64 x)
  1436  	// cond:
  1437  	// result: (CGEBRA x)
  1438  	for {
  1439  		x := v.Args[0]
  1440  		v.reset(OpS390XCGEBRA)
  1441  		v.AddArg(x)
  1442  		return true
  1443  	}
  1444  }
  1445  func rewriteValueS390X_OpCvt32Fto64F(v *Value, config *Config) bool {
  1446  	b := v.Block
  1447  	_ = b
  1448  	// match: (Cvt32Fto64F x)
  1449  	// cond:
  1450  	// result: (LDEBR x)
  1451  	for {
  1452  		x := v.Args[0]
  1453  		v.reset(OpS390XLDEBR)
  1454  		v.AddArg(x)
  1455  		return true
  1456  	}
  1457  }
  1458  func rewriteValueS390X_OpCvt32to32F(v *Value, config *Config) bool {
  1459  	b := v.Block
  1460  	_ = b
  1461  	// match: (Cvt32to32F x)
  1462  	// cond:
  1463  	// result: (CEFBRA x)
  1464  	for {
  1465  		x := v.Args[0]
  1466  		v.reset(OpS390XCEFBRA)
  1467  		v.AddArg(x)
  1468  		return true
  1469  	}
  1470  }
  1471  func rewriteValueS390X_OpCvt32to64F(v *Value, config *Config) bool {
  1472  	b := v.Block
  1473  	_ = b
  1474  	// match: (Cvt32to64F x)
  1475  	// cond:
  1476  	// result: (CDFBRA x)
  1477  	for {
  1478  		x := v.Args[0]
  1479  		v.reset(OpS390XCDFBRA)
  1480  		v.AddArg(x)
  1481  		return true
  1482  	}
  1483  }
  1484  func rewriteValueS390X_OpCvt64Fto32(v *Value, config *Config) bool {
  1485  	b := v.Block
  1486  	_ = b
  1487  	// match: (Cvt64Fto32 x)
  1488  	// cond:
  1489  	// result: (CFDBRA x)
  1490  	for {
  1491  		x := v.Args[0]
  1492  		v.reset(OpS390XCFDBRA)
  1493  		v.AddArg(x)
  1494  		return true
  1495  	}
  1496  }
  1497  func rewriteValueS390X_OpCvt64Fto32F(v *Value, config *Config) bool {
  1498  	b := v.Block
  1499  	_ = b
  1500  	// match: (Cvt64Fto32F x)
  1501  	// cond:
  1502  	// result: (LEDBR x)
  1503  	for {
  1504  		x := v.Args[0]
  1505  		v.reset(OpS390XLEDBR)
  1506  		v.AddArg(x)
  1507  		return true
  1508  	}
  1509  }
  1510  func rewriteValueS390X_OpCvt64Fto64(v *Value, config *Config) bool {
  1511  	b := v.Block
  1512  	_ = b
  1513  	// match: (Cvt64Fto64 x)
  1514  	// cond:
  1515  	// result: (CGDBRA x)
  1516  	for {
  1517  		x := v.Args[0]
  1518  		v.reset(OpS390XCGDBRA)
  1519  		v.AddArg(x)
  1520  		return true
  1521  	}
  1522  }
  1523  func rewriteValueS390X_OpCvt64to32F(v *Value, config *Config) bool {
  1524  	b := v.Block
  1525  	_ = b
  1526  	// match: (Cvt64to32F x)
  1527  	// cond:
  1528  	// result: (CEGBRA x)
  1529  	for {
  1530  		x := v.Args[0]
  1531  		v.reset(OpS390XCEGBRA)
  1532  		v.AddArg(x)
  1533  		return true
  1534  	}
  1535  }
  1536  func rewriteValueS390X_OpCvt64to64F(v *Value, config *Config) bool {
  1537  	b := v.Block
  1538  	_ = b
  1539  	// match: (Cvt64to64F x)
  1540  	// cond:
  1541  	// result: (CDGBRA x)
  1542  	for {
  1543  		x := v.Args[0]
  1544  		v.reset(OpS390XCDGBRA)
  1545  		v.AddArg(x)
  1546  		return true
  1547  	}
  1548  }
  1549  func rewriteValueS390X_OpDeferCall(v *Value, config *Config) bool {
  1550  	b := v.Block
  1551  	_ = b
  1552  	// match: (DeferCall [argwid] mem)
  1553  	// cond:
  1554  	// result: (CALLdefer [argwid] mem)
  1555  	for {
  1556  		argwid := v.AuxInt
  1557  		mem := v.Args[0]
  1558  		v.reset(OpS390XCALLdefer)
  1559  		v.AuxInt = argwid
  1560  		v.AddArg(mem)
  1561  		return true
  1562  	}
  1563  }
  1564  func rewriteValueS390X_OpDiv16(v *Value, config *Config) bool {
  1565  	b := v.Block
  1566  	_ = b
  1567  	// match: (Div16  x y)
  1568  	// cond:
  1569  	// result: (DIVW  (MOVHreg x) (MOVHreg y))
  1570  	for {
  1571  		x := v.Args[0]
  1572  		y := v.Args[1]
  1573  		v.reset(OpS390XDIVW)
  1574  		v0 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  1575  		v0.AddArg(x)
  1576  		v.AddArg(v0)
  1577  		v1 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  1578  		v1.AddArg(y)
  1579  		v.AddArg(v1)
  1580  		return true
  1581  	}
  1582  }
  1583  func rewriteValueS390X_OpDiv16u(v *Value, config *Config) bool {
  1584  	b := v.Block
  1585  	_ = b
  1586  	// match: (Div16u x y)
  1587  	// cond:
  1588  	// result: (DIVWU (MOVHZreg x) (MOVHZreg y))
  1589  	for {
  1590  		x := v.Args[0]
  1591  		y := v.Args[1]
  1592  		v.reset(OpS390XDIVWU)
  1593  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  1594  		v0.AddArg(x)
  1595  		v.AddArg(v0)
  1596  		v1 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  1597  		v1.AddArg(y)
  1598  		v.AddArg(v1)
  1599  		return true
  1600  	}
  1601  }
  1602  func rewriteValueS390X_OpDiv32(v *Value, config *Config) bool {
  1603  	b := v.Block
  1604  	_ = b
  1605  	// match: (Div32  x y)
  1606  	// cond:
  1607  	// result: (DIVW  (MOVWreg x) y)
  1608  	for {
  1609  		x := v.Args[0]
  1610  		y := v.Args[1]
  1611  		v.reset(OpS390XDIVW)
  1612  		v0 := b.NewValue0(v.Pos, OpS390XMOVWreg, config.fe.TypeInt64())
  1613  		v0.AddArg(x)
  1614  		v.AddArg(v0)
  1615  		v.AddArg(y)
  1616  		return true
  1617  	}
  1618  }
  1619  func rewriteValueS390X_OpDiv32F(v *Value, config *Config) bool {
  1620  	b := v.Block
  1621  	_ = b
  1622  	// match: (Div32F x y)
  1623  	// cond:
  1624  	// result: (FDIVS x y)
  1625  	for {
  1626  		x := v.Args[0]
  1627  		y := v.Args[1]
  1628  		v.reset(OpS390XFDIVS)
  1629  		v.AddArg(x)
  1630  		v.AddArg(y)
  1631  		return true
  1632  	}
  1633  }
  1634  func rewriteValueS390X_OpDiv32u(v *Value, config *Config) bool {
  1635  	b := v.Block
  1636  	_ = b
  1637  	// match: (Div32u x y)
  1638  	// cond:
  1639  	// result: (DIVWU (MOVWZreg x) y)
  1640  	for {
  1641  		x := v.Args[0]
  1642  		y := v.Args[1]
  1643  		v.reset(OpS390XDIVWU)
  1644  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZreg, config.fe.TypeUInt64())
  1645  		v0.AddArg(x)
  1646  		v.AddArg(v0)
  1647  		v.AddArg(y)
  1648  		return true
  1649  	}
  1650  }
  1651  func rewriteValueS390X_OpDiv64(v *Value, config *Config) bool {
  1652  	b := v.Block
  1653  	_ = b
  1654  	// match: (Div64  x y)
  1655  	// cond:
  1656  	// result: (DIVD  x y)
  1657  	for {
  1658  		x := v.Args[0]
  1659  		y := v.Args[1]
  1660  		v.reset(OpS390XDIVD)
  1661  		v.AddArg(x)
  1662  		v.AddArg(y)
  1663  		return true
  1664  	}
  1665  }
  1666  func rewriteValueS390X_OpDiv64F(v *Value, config *Config) bool {
  1667  	b := v.Block
  1668  	_ = b
  1669  	// match: (Div64F x y)
  1670  	// cond:
  1671  	// result: (FDIV x y)
  1672  	for {
  1673  		x := v.Args[0]
  1674  		y := v.Args[1]
  1675  		v.reset(OpS390XFDIV)
  1676  		v.AddArg(x)
  1677  		v.AddArg(y)
  1678  		return true
  1679  	}
  1680  }
  1681  func rewriteValueS390X_OpDiv64u(v *Value, config *Config) bool {
  1682  	b := v.Block
  1683  	_ = b
  1684  	// match: (Div64u x y)
  1685  	// cond:
  1686  	// result: (DIVDU x y)
  1687  	for {
  1688  		x := v.Args[0]
  1689  		y := v.Args[1]
  1690  		v.reset(OpS390XDIVDU)
  1691  		v.AddArg(x)
  1692  		v.AddArg(y)
  1693  		return true
  1694  	}
  1695  }
  1696  func rewriteValueS390X_OpDiv8(v *Value, config *Config) bool {
  1697  	b := v.Block
  1698  	_ = b
  1699  	// match: (Div8   x y)
  1700  	// cond:
  1701  	// result: (DIVW  (MOVBreg x) (MOVBreg y))
  1702  	for {
  1703  		x := v.Args[0]
  1704  		y := v.Args[1]
  1705  		v.reset(OpS390XDIVW)
  1706  		v0 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  1707  		v0.AddArg(x)
  1708  		v.AddArg(v0)
  1709  		v1 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  1710  		v1.AddArg(y)
  1711  		v.AddArg(v1)
  1712  		return true
  1713  	}
  1714  }
  1715  func rewriteValueS390X_OpDiv8u(v *Value, config *Config) bool {
  1716  	b := v.Block
  1717  	_ = b
  1718  	// match: (Div8u  x y)
  1719  	// cond:
  1720  	// result: (DIVWU (MOVBZreg x) (MOVBZreg y))
  1721  	for {
  1722  		x := v.Args[0]
  1723  		y := v.Args[1]
  1724  		v.reset(OpS390XDIVWU)
  1725  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  1726  		v0.AddArg(x)
  1727  		v.AddArg(v0)
  1728  		v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  1729  		v1.AddArg(y)
  1730  		v.AddArg(v1)
  1731  		return true
  1732  	}
  1733  }
  1734  func rewriteValueS390X_OpEq16(v *Value, config *Config) bool {
  1735  	b := v.Block
  1736  	_ = b
  1737  	// match: (Eq16  x y)
  1738  	// cond:
  1739  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  1740  	for {
  1741  		x := v.Args[0]
  1742  		y := v.Args[1]
  1743  		v.reset(OpS390XMOVDEQ)
  1744  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1745  		v0.AuxInt = 0
  1746  		v.AddArg(v0)
  1747  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1748  		v1.AuxInt = 1
  1749  		v.AddArg(v1)
  1750  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  1751  		v3 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  1752  		v3.AddArg(x)
  1753  		v2.AddArg(v3)
  1754  		v4 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  1755  		v4.AddArg(y)
  1756  		v2.AddArg(v4)
  1757  		v.AddArg(v2)
  1758  		return true
  1759  	}
  1760  }
  1761  func rewriteValueS390X_OpEq32(v *Value, config *Config) bool {
  1762  	b := v.Block
  1763  	_ = b
  1764  	// match: (Eq32  x y)
  1765  	// cond:
  1766  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  1767  	for {
  1768  		x := v.Args[0]
  1769  		y := v.Args[1]
  1770  		v.reset(OpS390XMOVDEQ)
  1771  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1772  		v0.AuxInt = 0
  1773  		v.AddArg(v0)
  1774  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1775  		v1.AuxInt = 1
  1776  		v.AddArg(v1)
  1777  		v2 := b.NewValue0(v.Pos, OpS390XCMPW, TypeFlags)
  1778  		v2.AddArg(x)
  1779  		v2.AddArg(y)
  1780  		v.AddArg(v2)
  1781  		return true
  1782  	}
  1783  }
  1784  func rewriteValueS390X_OpEq32F(v *Value, config *Config) bool {
  1785  	b := v.Block
  1786  	_ = b
  1787  	// match: (Eq32F x y)
  1788  	// cond:
  1789  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (FCMPS x y))
  1790  	for {
  1791  		x := v.Args[0]
  1792  		y := v.Args[1]
  1793  		v.reset(OpS390XMOVDEQ)
  1794  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1795  		v0.AuxInt = 0
  1796  		v.AddArg(v0)
  1797  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1798  		v1.AuxInt = 1
  1799  		v.AddArg(v1)
  1800  		v2 := b.NewValue0(v.Pos, OpS390XFCMPS, TypeFlags)
  1801  		v2.AddArg(x)
  1802  		v2.AddArg(y)
  1803  		v.AddArg(v2)
  1804  		return true
  1805  	}
  1806  }
  1807  func rewriteValueS390X_OpEq64(v *Value, config *Config) bool {
  1808  	b := v.Block
  1809  	_ = b
  1810  	// match: (Eq64  x y)
  1811  	// cond:
  1812  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  1813  	for {
  1814  		x := v.Args[0]
  1815  		y := v.Args[1]
  1816  		v.reset(OpS390XMOVDEQ)
  1817  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1818  		v0.AuxInt = 0
  1819  		v.AddArg(v0)
  1820  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1821  		v1.AuxInt = 1
  1822  		v.AddArg(v1)
  1823  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  1824  		v2.AddArg(x)
  1825  		v2.AddArg(y)
  1826  		v.AddArg(v2)
  1827  		return true
  1828  	}
  1829  }
  1830  func rewriteValueS390X_OpEq64F(v *Value, config *Config) bool {
  1831  	b := v.Block
  1832  	_ = b
  1833  	// match: (Eq64F x y)
  1834  	// cond:
  1835  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (FCMP x y))
  1836  	for {
  1837  		x := v.Args[0]
  1838  		y := v.Args[1]
  1839  		v.reset(OpS390XMOVDEQ)
  1840  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1841  		v0.AuxInt = 0
  1842  		v.AddArg(v0)
  1843  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1844  		v1.AuxInt = 1
  1845  		v.AddArg(v1)
  1846  		v2 := b.NewValue0(v.Pos, OpS390XFCMP, TypeFlags)
  1847  		v2.AddArg(x)
  1848  		v2.AddArg(y)
  1849  		v.AddArg(v2)
  1850  		return true
  1851  	}
  1852  }
  1853  func rewriteValueS390X_OpEq8(v *Value, config *Config) bool {
  1854  	b := v.Block
  1855  	_ = b
  1856  	// match: (Eq8   x y)
  1857  	// cond:
  1858  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  1859  	for {
  1860  		x := v.Args[0]
  1861  		y := v.Args[1]
  1862  		v.reset(OpS390XMOVDEQ)
  1863  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1864  		v0.AuxInt = 0
  1865  		v.AddArg(v0)
  1866  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1867  		v1.AuxInt = 1
  1868  		v.AddArg(v1)
  1869  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  1870  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  1871  		v3.AddArg(x)
  1872  		v2.AddArg(v3)
  1873  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  1874  		v4.AddArg(y)
  1875  		v2.AddArg(v4)
  1876  		v.AddArg(v2)
  1877  		return true
  1878  	}
  1879  }
  1880  func rewriteValueS390X_OpEqB(v *Value, config *Config) bool {
  1881  	b := v.Block
  1882  	_ = b
  1883  	// match: (EqB   x y)
  1884  	// cond:
  1885  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  1886  	for {
  1887  		x := v.Args[0]
  1888  		y := v.Args[1]
  1889  		v.reset(OpS390XMOVDEQ)
  1890  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1891  		v0.AuxInt = 0
  1892  		v.AddArg(v0)
  1893  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1894  		v1.AuxInt = 1
  1895  		v.AddArg(v1)
  1896  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  1897  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  1898  		v3.AddArg(x)
  1899  		v2.AddArg(v3)
  1900  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  1901  		v4.AddArg(y)
  1902  		v2.AddArg(v4)
  1903  		v.AddArg(v2)
  1904  		return true
  1905  	}
  1906  }
  1907  func rewriteValueS390X_OpEqPtr(v *Value, config *Config) bool {
  1908  	b := v.Block
  1909  	_ = b
  1910  	// match: (EqPtr x y)
  1911  	// cond:
  1912  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  1913  	for {
  1914  		x := v.Args[0]
  1915  		y := v.Args[1]
  1916  		v.reset(OpS390XMOVDEQ)
  1917  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1918  		v0.AuxInt = 0
  1919  		v.AddArg(v0)
  1920  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1921  		v1.AuxInt = 1
  1922  		v.AddArg(v1)
  1923  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  1924  		v2.AddArg(x)
  1925  		v2.AddArg(y)
  1926  		v.AddArg(v2)
  1927  		return true
  1928  	}
  1929  }
  1930  func rewriteValueS390X_OpGeq16(v *Value, config *Config) bool {
  1931  	b := v.Block
  1932  	_ = b
  1933  	// match: (Geq16  x y)
  1934  	// cond:
  1935  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  1936  	for {
  1937  		x := v.Args[0]
  1938  		y := v.Args[1]
  1939  		v.reset(OpS390XMOVDGE)
  1940  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1941  		v0.AuxInt = 0
  1942  		v.AddArg(v0)
  1943  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1944  		v1.AuxInt = 1
  1945  		v.AddArg(v1)
  1946  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  1947  		v3 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  1948  		v3.AddArg(x)
  1949  		v2.AddArg(v3)
  1950  		v4 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  1951  		v4.AddArg(y)
  1952  		v2.AddArg(v4)
  1953  		v.AddArg(v2)
  1954  		return true
  1955  	}
  1956  }
  1957  func rewriteValueS390X_OpGeq16U(v *Value, config *Config) bool {
  1958  	b := v.Block
  1959  	_ = b
  1960  	// match: (Geq16U x y)
  1961  	// cond:
  1962  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVHZreg x) (MOVHZreg y)))
  1963  	for {
  1964  		x := v.Args[0]
  1965  		y := v.Args[1]
  1966  		v.reset(OpS390XMOVDGE)
  1967  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1968  		v0.AuxInt = 0
  1969  		v.AddArg(v0)
  1970  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1971  		v1.AuxInt = 1
  1972  		v.AddArg(v1)
  1973  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  1974  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  1975  		v3.AddArg(x)
  1976  		v2.AddArg(v3)
  1977  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  1978  		v4.AddArg(y)
  1979  		v2.AddArg(v4)
  1980  		v.AddArg(v2)
  1981  		return true
  1982  	}
  1983  }
  1984  func rewriteValueS390X_OpGeq32(v *Value, config *Config) bool {
  1985  	b := v.Block
  1986  	_ = b
  1987  	// match: (Geq32  x y)
  1988  	// cond:
  1989  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  1990  	for {
  1991  		x := v.Args[0]
  1992  		y := v.Args[1]
  1993  		v.reset(OpS390XMOVDGE)
  1994  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1995  		v0.AuxInt = 0
  1996  		v.AddArg(v0)
  1997  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1998  		v1.AuxInt = 1
  1999  		v.AddArg(v1)
  2000  		v2 := b.NewValue0(v.Pos, OpS390XCMPW, TypeFlags)
  2001  		v2.AddArg(x)
  2002  		v2.AddArg(y)
  2003  		v.AddArg(v2)
  2004  		return true
  2005  	}
  2006  }
  2007  func rewriteValueS390X_OpGeq32F(v *Value, config *Config) bool {
  2008  	b := v.Block
  2009  	_ = b
  2010  	// match: (Geq32F x y)
  2011  	// cond:
  2012  	// result: (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMPS x y))
  2013  	for {
  2014  		x := v.Args[0]
  2015  		y := v.Args[1]
  2016  		v.reset(OpS390XMOVDGEnoinv)
  2017  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2018  		v0.AuxInt = 0
  2019  		v.AddArg(v0)
  2020  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2021  		v1.AuxInt = 1
  2022  		v.AddArg(v1)
  2023  		v2 := b.NewValue0(v.Pos, OpS390XFCMPS, TypeFlags)
  2024  		v2.AddArg(x)
  2025  		v2.AddArg(y)
  2026  		v.AddArg(v2)
  2027  		return true
  2028  	}
  2029  }
  2030  func rewriteValueS390X_OpGeq32U(v *Value, config *Config) bool {
  2031  	b := v.Block
  2032  	_ = b
  2033  	// match: (Geq32U x y)
  2034  	// cond:
  2035  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPWU x y))
  2036  	for {
  2037  		x := v.Args[0]
  2038  		y := v.Args[1]
  2039  		v.reset(OpS390XMOVDGE)
  2040  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2041  		v0.AuxInt = 0
  2042  		v.AddArg(v0)
  2043  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2044  		v1.AuxInt = 1
  2045  		v.AddArg(v1)
  2046  		v2 := b.NewValue0(v.Pos, OpS390XCMPWU, TypeFlags)
  2047  		v2.AddArg(x)
  2048  		v2.AddArg(y)
  2049  		v.AddArg(v2)
  2050  		return true
  2051  	}
  2052  }
  2053  func rewriteValueS390X_OpGeq64(v *Value, config *Config) bool {
  2054  	b := v.Block
  2055  	_ = b
  2056  	// match: (Geq64  x y)
  2057  	// cond:
  2058  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  2059  	for {
  2060  		x := v.Args[0]
  2061  		y := v.Args[1]
  2062  		v.reset(OpS390XMOVDGE)
  2063  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2064  		v0.AuxInt = 0
  2065  		v.AddArg(v0)
  2066  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2067  		v1.AuxInt = 1
  2068  		v.AddArg(v1)
  2069  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2070  		v2.AddArg(x)
  2071  		v2.AddArg(y)
  2072  		v.AddArg(v2)
  2073  		return true
  2074  	}
  2075  }
  2076  func rewriteValueS390X_OpGeq64F(v *Value, config *Config) bool {
  2077  	b := v.Block
  2078  	_ = b
  2079  	// match: (Geq64F x y)
  2080  	// cond:
  2081  	// result: (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMP x y))
  2082  	for {
  2083  		x := v.Args[0]
  2084  		y := v.Args[1]
  2085  		v.reset(OpS390XMOVDGEnoinv)
  2086  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2087  		v0.AuxInt = 0
  2088  		v.AddArg(v0)
  2089  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2090  		v1.AuxInt = 1
  2091  		v.AddArg(v1)
  2092  		v2 := b.NewValue0(v.Pos, OpS390XFCMP, TypeFlags)
  2093  		v2.AddArg(x)
  2094  		v2.AddArg(y)
  2095  		v.AddArg(v2)
  2096  		return true
  2097  	}
  2098  }
  2099  func rewriteValueS390X_OpGeq64U(v *Value, config *Config) bool {
  2100  	b := v.Block
  2101  	_ = b
  2102  	// match: (Geq64U x y)
  2103  	// cond:
  2104  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPU x y))
  2105  	for {
  2106  		x := v.Args[0]
  2107  		y := v.Args[1]
  2108  		v.reset(OpS390XMOVDGE)
  2109  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2110  		v0.AuxInt = 0
  2111  		v.AddArg(v0)
  2112  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2113  		v1.AuxInt = 1
  2114  		v.AddArg(v1)
  2115  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2116  		v2.AddArg(x)
  2117  		v2.AddArg(y)
  2118  		v.AddArg(v2)
  2119  		return true
  2120  	}
  2121  }
  2122  func rewriteValueS390X_OpGeq8(v *Value, config *Config) bool {
  2123  	b := v.Block
  2124  	_ = b
  2125  	// match: (Geq8   x y)
  2126  	// cond:
  2127  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  2128  	for {
  2129  		x := v.Args[0]
  2130  		y := v.Args[1]
  2131  		v.reset(OpS390XMOVDGE)
  2132  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2133  		v0.AuxInt = 0
  2134  		v.AddArg(v0)
  2135  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2136  		v1.AuxInt = 1
  2137  		v.AddArg(v1)
  2138  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2139  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  2140  		v3.AddArg(x)
  2141  		v2.AddArg(v3)
  2142  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  2143  		v4.AddArg(y)
  2144  		v2.AddArg(v4)
  2145  		v.AddArg(v2)
  2146  		return true
  2147  	}
  2148  }
  2149  func rewriteValueS390X_OpGeq8U(v *Value, config *Config) bool {
  2150  	b := v.Block
  2151  	_ = b
  2152  	// match: (Geq8U  x y)
  2153  	// cond:
  2154  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVBZreg x) (MOVBZreg y)))
  2155  	for {
  2156  		x := v.Args[0]
  2157  		y := v.Args[1]
  2158  		v.reset(OpS390XMOVDGE)
  2159  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2160  		v0.AuxInt = 0
  2161  		v.AddArg(v0)
  2162  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2163  		v1.AuxInt = 1
  2164  		v.AddArg(v1)
  2165  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2166  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2167  		v3.AddArg(x)
  2168  		v2.AddArg(v3)
  2169  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2170  		v4.AddArg(y)
  2171  		v2.AddArg(v4)
  2172  		v.AddArg(v2)
  2173  		return true
  2174  	}
  2175  }
  2176  func rewriteValueS390X_OpGetClosurePtr(v *Value, config *Config) bool {
  2177  	b := v.Block
  2178  	_ = b
  2179  	// match: (GetClosurePtr)
  2180  	// cond:
  2181  	// result: (LoweredGetClosurePtr)
  2182  	for {
  2183  		v.reset(OpS390XLoweredGetClosurePtr)
  2184  		return true
  2185  	}
  2186  }
  2187  func rewriteValueS390X_OpGetG(v *Value, config *Config) bool {
  2188  	b := v.Block
  2189  	_ = b
  2190  	// match: (GetG mem)
  2191  	// cond:
  2192  	// result: (LoweredGetG mem)
  2193  	for {
  2194  		mem := v.Args[0]
  2195  		v.reset(OpS390XLoweredGetG)
  2196  		v.AddArg(mem)
  2197  		return true
  2198  	}
  2199  }
  2200  func rewriteValueS390X_OpGoCall(v *Value, config *Config) bool {
  2201  	b := v.Block
  2202  	_ = b
  2203  	// match: (GoCall [argwid] mem)
  2204  	// cond:
  2205  	// result: (CALLgo [argwid] mem)
  2206  	for {
  2207  		argwid := v.AuxInt
  2208  		mem := v.Args[0]
  2209  		v.reset(OpS390XCALLgo)
  2210  		v.AuxInt = argwid
  2211  		v.AddArg(mem)
  2212  		return true
  2213  	}
  2214  }
  2215  func rewriteValueS390X_OpGreater16(v *Value, config *Config) bool {
  2216  	b := v.Block
  2217  	_ = b
  2218  	// match: (Greater16  x y)
  2219  	// cond:
  2220  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  2221  	for {
  2222  		x := v.Args[0]
  2223  		y := v.Args[1]
  2224  		v.reset(OpS390XMOVDGT)
  2225  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2226  		v0.AuxInt = 0
  2227  		v.AddArg(v0)
  2228  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2229  		v1.AuxInt = 1
  2230  		v.AddArg(v1)
  2231  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2232  		v3 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  2233  		v3.AddArg(x)
  2234  		v2.AddArg(v3)
  2235  		v4 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  2236  		v4.AddArg(y)
  2237  		v2.AddArg(v4)
  2238  		v.AddArg(v2)
  2239  		return true
  2240  	}
  2241  }
  2242  func rewriteValueS390X_OpGreater16U(v *Value, config *Config) bool {
  2243  	b := v.Block
  2244  	_ = b
  2245  	// match: (Greater16U x y)
  2246  	// cond:
  2247  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVHZreg x) (MOVHZreg y)))
  2248  	for {
  2249  		x := v.Args[0]
  2250  		y := v.Args[1]
  2251  		v.reset(OpS390XMOVDGT)
  2252  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2253  		v0.AuxInt = 0
  2254  		v.AddArg(v0)
  2255  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2256  		v1.AuxInt = 1
  2257  		v.AddArg(v1)
  2258  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2259  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2260  		v3.AddArg(x)
  2261  		v2.AddArg(v3)
  2262  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2263  		v4.AddArg(y)
  2264  		v2.AddArg(v4)
  2265  		v.AddArg(v2)
  2266  		return true
  2267  	}
  2268  }
  2269  func rewriteValueS390X_OpGreater32(v *Value, config *Config) bool {
  2270  	b := v.Block
  2271  	_ = b
  2272  	// match: (Greater32  x y)
  2273  	// cond:
  2274  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  2275  	for {
  2276  		x := v.Args[0]
  2277  		y := v.Args[1]
  2278  		v.reset(OpS390XMOVDGT)
  2279  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2280  		v0.AuxInt = 0
  2281  		v.AddArg(v0)
  2282  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2283  		v1.AuxInt = 1
  2284  		v.AddArg(v1)
  2285  		v2 := b.NewValue0(v.Pos, OpS390XCMPW, TypeFlags)
  2286  		v2.AddArg(x)
  2287  		v2.AddArg(y)
  2288  		v.AddArg(v2)
  2289  		return true
  2290  	}
  2291  }
  2292  func rewriteValueS390X_OpGreater32F(v *Value, config *Config) bool {
  2293  	b := v.Block
  2294  	_ = b
  2295  	// match: (Greater32F x y)
  2296  	// cond:
  2297  	// result: (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMPS x y))
  2298  	for {
  2299  		x := v.Args[0]
  2300  		y := v.Args[1]
  2301  		v.reset(OpS390XMOVDGTnoinv)
  2302  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2303  		v0.AuxInt = 0
  2304  		v.AddArg(v0)
  2305  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2306  		v1.AuxInt = 1
  2307  		v.AddArg(v1)
  2308  		v2 := b.NewValue0(v.Pos, OpS390XFCMPS, TypeFlags)
  2309  		v2.AddArg(x)
  2310  		v2.AddArg(y)
  2311  		v.AddArg(v2)
  2312  		return true
  2313  	}
  2314  }
  2315  func rewriteValueS390X_OpGreater32U(v *Value, config *Config) bool {
  2316  	b := v.Block
  2317  	_ = b
  2318  	// match: (Greater32U x y)
  2319  	// cond:
  2320  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPWU x y))
  2321  	for {
  2322  		x := v.Args[0]
  2323  		y := v.Args[1]
  2324  		v.reset(OpS390XMOVDGT)
  2325  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2326  		v0.AuxInt = 0
  2327  		v.AddArg(v0)
  2328  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2329  		v1.AuxInt = 1
  2330  		v.AddArg(v1)
  2331  		v2 := b.NewValue0(v.Pos, OpS390XCMPWU, TypeFlags)
  2332  		v2.AddArg(x)
  2333  		v2.AddArg(y)
  2334  		v.AddArg(v2)
  2335  		return true
  2336  	}
  2337  }
  2338  func rewriteValueS390X_OpGreater64(v *Value, config *Config) bool {
  2339  	b := v.Block
  2340  	_ = b
  2341  	// match: (Greater64  x y)
  2342  	// cond:
  2343  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  2344  	for {
  2345  		x := v.Args[0]
  2346  		y := v.Args[1]
  2347  		v.reset(OpS390XMOVDGT)
  2348  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2349  		v0.AuxInt = 0
  2350  		v.AddArg(v0)
  2351  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2352  		v1.AuxInt = 1
  2353  		v.AddArg(v1)
  2354  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2355  		v2.AddArg(x)
  2356  		v2.AddArg(y)
  2357  		v.AddArg(v2)
  2358  		return true
  2359  	}
  2360  }
  2361  func rewriteValueS390X_OpGreater64F(v *Value, config *Config) bool {
  2362  	b := v.Block
  2363  	_ = b
  2364  	// match: (Greater64F x y)
  2365  	// cond:
  2366  	// result: (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMP x y))
  2367  	for {
  2368  		x := v.Args[0]
  2369  		y := v.Args[1]
  2370  		v.reset(OpS390XMOVDGTnoinv)
  2371  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2372  		v0.AuxInt = 0
  2373  		v.AddArg(v0)
  2374  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2375  		v1.AuxInt = 1
  2376  		v.AddArg(v1)
  2377  		v2 := b.NewValue0(v.Pos, OpS390XFCMP, TypeFlags)
  2378  		v2.AddArg(x)
  2379  		v2.AddArg(y)
  2380  		v.AddArg(v2)
  2381  		return true
  2382  	}
  2383  }
  2384  func rewriteValueS390X_OpGreater64U(v *Value, config *Config) bool {
  2385  	b := v.Block
  2386  	_ = b
  2387  	// match: (Greater64U x y)
  2388  	// cond:
  2389  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPU x y))
  2390  	for {
  2391  		x := v.Args[0]
  2392  		y := v.Args[1]
  2393  		v.reset(OpS390XMOVDGT)
  2394  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2395  		v0.AuxInt = 0
  2396  		v.AddArg(v0)
  2397  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2398  		v1.AuxInt = 1
  2399  		v.AddArg(v1)
  2400  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2401  		v2.AddArg(x)
  2402  		v2.AddArg(y)
  2403  		v.AddArg(v2)
  2404  		return true
  2405  	}
  2406  }
  2407  func rewriteValueS390X_OpGreater8(v *Value, config *Config) bool {
  2408  	b := v.Block
  2409  	_ = b
  2410  	// match: (Greater8   x y)
  2411  	// cond:
  2412  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  2413  	for {
  2414  		x := v.Args[0]
  2415  		y := v.Args[1]
  2416  		v.reset(OpS390XMOVDGT)
  2417  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2418  		v0.AuxInt = 0
  2419  		v.AddArg(v0)
  2420  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2421  		v1.AuxInt = 1
  2422  		v.AddArg(v1)
  2423  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2424  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  2425  		v3.AddArg(x)
  2426  		v2.AddArg(v3)
  2427  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  2428  		v4.AddArg(y)
  2429  		v2.AddArg(v4)
  2430  		v.AddArg(v2)
  2431  		return true
  2432  	}
  2433  }
  2434  func rewriteValueS390X_OpGreater8U(v *Value, config *Config) bool {
  2435  	b := v.Block
  2436  	_ = b
  2437  	// match: (Greater8U  x y)
  2438  	// cond:
  2439  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVBZreg x) (MOVBZreg y)))
  2440  	for {
  2441  		x := v.Args[0]
  2442  		y := v.Args[1]
  2443  		v.reset(OpS390XMOVDGT)
  2444  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2445  		v0.AuxInt = 0
  2446  		v.AddArg(v0)
  2447  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2448  		v1.AuxInt = 1
  2449  		v.AddArg(v1)
  2450  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2451  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2452  		v3.AddArg(x)
  2453  		v2.AddArg(v3)
  2454  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2455  		v4.AddArg(y)
  2456  		v2.AddArg(v4)
  2457  		v.AddArg(v2)
  2458  		return true
  2459  	}
  2460  }
  2461  func rewriteValueS390X_OpHmul16(v *Value, config *Config) bool {
  2462  	b := v.Block
  2463  	_ = b
  2464  	// match: (Hmul16  x y)
  2465  	// cond:
  2466  	// result: (SRDconst [16] (MULLW (MOVHreg x) (MOVHreg y)))
  2467  	for {
  2468  		x := v.Args[0]
  2469  		y := v.Args[1]
  2470  		v.reset(OpS390XSRDconst)
  2471  		v.AuxInt = 16
  2472  		v0 := b.NewValue0(v.Pos, OpS390XMULLW, config.fe.TypeInt32())
  2473  		v1 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  2474  		v1.AddArg(x)
  2475  		v0.AddArg(v1)
  2476  		v2 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  2477  		v2.AddArg(y)
  2478  		v0.AddArg(v2)
  2479  		v.AddArg(v0)
  2480  		return true
  2481  	}
  2482  }
  2483  func rewriteValueS390X_OpHmul16u(v *Value, config *Config) bool {
  2484  	b := v.Block
  2485  	_ = b
  2486  	// match: (Hmul16u x y)
  2487  	// cond:
  2488  	// result: (SRDconst [16] (MULLW (MOVHZreg x) (MOVHZreg y)))
  2489  	for {
  2490  		x := v.Args[0]
  2491  		y := v.Args[1]
  2492  		v.reset(OpS390XSRDconst)
  2493  		v.AuxInt = 16
  2494  		v0 := b.NewValue0(v.Pos, OpS390XMULLW, config.fe.TypeInt32())
  2495  		v1 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2496  		v1.AddArg(x)
  2497  		v0.AddArg(v1)
  2498  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2499  		v2.AddArg(y)
  2500  		v0.AddArg(v2)
  2501  		v.AddArg(v0)
  2502  		return true
  2503  	}
  2504  }
  2505  func rewriteValueS390X_OpHmul32(v *Value, config *Config) bool {
  2506  	b := v.Block
  2507  	_ = b
  2508  	// match: (Hmul32  x y)
  2509  	// cond:
  2510  	// result: (SRDconst [32] (MULLD (MOVWreg x) (MOVWreg y)))
  2511  	for {
  2512  		x := v.Args[0]
  2513  		y := v.Args[1]
  2514  		v.reset(OpS390XSRDconst)
  2515  		v.AuxInt = 32
  2516  		v0 := b.NewValue0(v.Pos, OpS390XMULLD, config.fe.TypeInt64())
  2517  		v1 := b.NewValue0(v.Pos, OpS390XMOVWreg, config.fe.TypeInt64())
  2518  		v1.AddArg(x)
  2519  		v0.AddArg(v1)
  2520  		v2 := b.NewValue0(v.Pos, OpS390XMOVWreg, config.fe.TypeInt64())
  2521  		v2.AddArg(y)
  2522  		v0.AddArg(v2)
  2523  		v.AddArg(v0)
  2524  		return true
  2525  	}
  2526  }
  2527  func rewriteValueS390X_OpHmul32u(v *Value, config *Config) bool {
  2528  	b := v.Block
  2529  	_ = b
  2530  	// match: (Hmul32u x y)
  2531  	// cond:
  2532  	// result: (SRDconst [32] (MULLD (MOVWZreg x) (MOVWZreg y)))
  2533  	for {
  2534  		x := v.Args[0]
  2535  		y := v.Args[1]
  2536  		v.reset(OpS390XSRDconst)
  2537  		v.AuxInt = 32
  2538  		v0 := b.NewValue0(v.Pos, OpS390XMULLD, config.fe.TypeInt64())
  2539  		v1 := b.NewValue0(v.Pos, OpS390XMOVWZreg, config.fe.TypeUInt64())
  2540  		v1.AddArg(x)
  2541  		v0.AddArg(v1)
  2542  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, config.fe.TypeUInt64())
  2543  		v2.AddArg(y)
  2544  		v0.AddArg(v2)
  2545  		v.AddArg(v0)
  2546  		return true
  2547  	}
  2548  }
  2549  func rewriteValueS390X_OpHmul64(v *Value, config *Config) bool {
  2550  	b := v.Block
  2551  	_ = b
  2552  	// match: (Hmul64  x y)
  2553  	// cond:
  2554  	// result: (MULHD  x y)
  2555  	for {
  2556  		x := v.Args[0]
  2557  		y := v.Args[1]
  2558  		v.reset(OpS390XMULHD)
  2559  		v.AddArg(x)
  2560  		v.AddArg(y)
  2561  		return true
  2562  	}
  2563  }
  2564  func rewriteValueS390X_OpHmul64u(v *Value, config *Config) bool {
  2565  	b := v.Block
  2566  	_ = b
  2567  	// match: (Hmul64u x y)
  2568  	// cond:
  2569  	// result: (MULHDU x y)
  2570  	for {
  2571  		x := v.Args[0]
  2572  		y := v.Args[1]
  2573  		v.reset(OpS390XMULHDU)
  2574  		v.AddArg(x)
  2575  		v.AddArg(y)
  2576  		return true
  2577  	}
  2578  }
  2579  func rewriteValueS390X_OpHmul8(v *Value, config *Config) bool {
  2580  	b := v.Block
  2581  	_ = b
  2582  	// match: (Hmul8   x y)
  2583  	// cond:
  2584  	// result: (SRDconst [8] (MULLW (MOVBreg x) (MOVBreg y)))
  2585  	for {
  2586  		x := v.Args[0]
  2587  		y := v.Args[1]
  2588  		v.reset(OpS390XSRDconst)
  2589  		v.AuxInt = 8
  2590  		v0 := b.NewValue0(v.Pos, OpS390XMULLW, config.fe.TypeInt32())
  2591  		v1 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  2592  		v1.AddArg(x)
  2593  		v0.AddArg(v1)
  2594  		v2 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  2595  		v2.AddArg(y)
  2596  		v0.AddArg(v2)
  2597  		v.AddArg(v0)
  2598  		return true
  2599  	}
  2600  }
  2601  func rewriteValueS390X_OpHmul8u(v *Value, config *Config) bool {
  2602  	b := v.Block
  2603  	_ = b
  2604  	// match: (Hmul8u  x y)
  2605  	// cond:
  2606  	// result: (SRDconst [8] (MULLW (MOVBZreg x) (MOVBZreg y)))
  2607  	for {
  2608  		x := v.Args[0]
  2609  		y := v.Args[1]
  2610  		v.reset(OpS390XSRDconst)
  2611  		v.AuxInt = 8
  2612  		v0 := b.NewValue0(v.Pos, OpS390XMULLW, config.fe.TypeInt32())
  2613  		v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2614  		v1.AddArg(x)
  2615  		v0.AddArg(v1)
  2616  		v2 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2617  		v2.AddArg(y)
  2618  		v0.AddArg(v2)
  2619  		v.AddArg(v0)
  2620  		return true
  2621  	}
  2622  }
  2623  func rewriteValueS390X_OpITab(v *Value, config *Config) bool {
  2624  	b := v.Block
  2625  	_ = b
  2626  	// match: (ITab (Load ptr mem))
  2627  	// cond:
  2628  	// result: (MOVDload ptr mem)
  2629  	for {
  2630  		v_0 := v.Args[0]
  2631  		if v_0.Op != OpLoad {
  2632  			break
  2633  		}
  2634  		ptr := v_0.Args[0]
  2635  		mem := v_0.Args[1]
  2636  		v.reset(OpS390XMOVDload)
  2637  		v.AddArg(ptr)
  2638  		v.AddArg(mem)
  2639  		return true
  2640  	}
  2641  	return false
  2642  }
  2643  func rewriteValueS390X_OpInterCall(v *Value, config *Config) bool {
  2644  	b := v.Block
  2645  	_ = b
  2646  	// match: (InterCall [argwid] entry mem)
  2647  	// cond:
  2648  	// result: (CALLinter [argwid] entry mem)
  2649  	for {
  2650  		argwid := v.AuxInt
  2651  		entry := v.Args[0]
  2652  		mem := v.Args[1]
  2653  		v.reset(OpS390XCALLinter)
  2654  		v.AuxInt = argwid
  2655  		v.AddArg(entry)
  2656  		v.AddArg(mem)
  2657  		return true
  2658  	}
  2659  }
  2660  func rewriteValueS390X_OpIsInBounds(v *Value, config *Config) bool {
  2661  	b := v.Block
  2662  	_ = b
  2663  	// match: (IsInBounds idx len)
  2664  	// cond:
  2665  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPU idx len))
  2666  	for {
  2667  		idx := v.Args[0]
  2668  		len := v.Args[1]
  2669  		v.reset(OpS390XMOVDLT)
  2670  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2671  		v0.AuxInt = 0
  2672  		v.AddArg(v0)
  2673  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2674  		v1.AuxInt = 1
  2675  		v.AddArg(v1)
  2676  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2677  		v2.AddArg(idx)
  2678  		v2.AddArg(len)
  2679  		v.AddArg(v2)
  2680  		return true
  2681  	}
  2682  }
  2683  func rewriteValueS390X_OpIsNonNil(v *Value, config *Config) bool {
  2684  	b := v.Block
  2685  	_ = b
  2686  	// match: (IsNonNil p)
  2687  	// cond:
  2688  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMPconst p [0]))
  2689  	for {
  2690  		p := v.Args[0]
  2691  		v.reset(OpS390XMOVDNE)
  2692  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2693  		v0.AuxInt = 0
  2694  		v.AddArg(v0)
  2695  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2696  		v1.AuxInt = 1
  2697  		v.AddArg(v1)
  2698  		v2 := b.NewValue0(v.Pos, OpS390XCMPconst, TypeFlags)
  2699  		v2.AuxInt = 0
  2700  		v2.AddArg(p)
  2701  		v.AddArg(v2)
  2702  		return true
  2703  	}
  2704  }
  2705  func rewriteValueS390X_OpIsSliceInBounds(v *Value, config *Config) bool {
  2706  	b := v.Block
  2707  	_ = b
  2708  	// match: (IsSliceInBounds idx len)
  2709  	// cond:
  2710  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPU idx len))
  2711  	for {
  2712  		idx := v.Args[0]
  2713  		len := v.Args[1]
  2714  		v.reset(OpS390XMOVDLE)
  2715  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2716  		v0.AuxInt = 0
  2717  		v.AddArg(v0)
  2718  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2719  		v1.AuxInt = 1
  2720  		v.AddArg(v1)
  2721  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2722  		v2.AddArg(idx)
  2723  		v2.AddArg(len)
  2724  		v.AddArg(v2)
  2725  		return true
  2726  	}
  2727  }
  2728  func rewriteValueS390X_OpLeq16(v *Value, config *Config) bool {
  2729  	b := v.Block
  2730  	_ = b
  2731  	// match: (Leq16  x y)
  2732  	// cond:
  2733  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  2734  	for {
  2735  		x := v.Args[0]
  2736  		y := v.Args[1]
  2737  		v.reset(OpS390XMOVDLE)
  2738  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2739  		v0.AuxInt = 0
  2740  		v.AddArg(v0)
  2741  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2742  		v1.AuxInt = 1
  2743  		v.AddArg(v1)
  2744  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2745  		v3 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  2746  		v3.AddArg(x)
  2747  		v2.AddArg(v3)
  2748  		v4 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  2749  		v4.AddArg(y)
  2750  		v2.AddArg(v4)
  2751  		v.AddArg(v2)
  2752  		return true
  2753  	}
  2754  }
  2755  func rewriteValueS390X_OpLeq16U(v *Value, config *Config) bool {
  2756  	b := v.Block
  2757  	_ = b
  2758  	// match: (Leq16U x y)
  2759  	// cond:
  2760  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVHZreg x) (MOVHZreg y)))
  2761  	for {
  2762  		x := v.Args[0]
  2763  		y := v.Args[1]
  2764  		v.reset(OpS390XMOVDLE)
  2765  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2766  		v0.AuxInt = 0
  2767  		v.AddArg(v0)
  2768  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2769  		v1.AuxInt = 1
  2770  		v.AddArg(v1)
  2771  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2772  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2773  		v3.AddArg(x)
  2774  		v2.AddArg(v3)
  2775  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2776  		v4.AddArg(y)
  2777  		v2.AddArg(v4)
  2778  		v.AddArg(v2)
  2779  		return true
  2780  	}
  2781  }
  2782  func rewriteValueS390X_OpLeq32(v *Value, config *Config) bool {
  2783  	b := v.Block
  2784  	_ = b
  2785  	// match: (Leq32  x y)
  2786  	// cond:
  2787  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPW 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, config.fe.TypeUInt64())
  2793  		v0.AuxInt = 0
  2794  		v.AddArg(v0)
  2795  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2796  		v1.AuxInt = 1
  2797  		v.AddArg(v1)
  2798  		v2 := b.NewValue0(v.Pos, OpS390XCMPW, TypeFlags)
  2799  		v2.AddArg(x)
  2800  		v2.AddArg(y)
  2801  		v.AddArg(v2)
  2802  		return true
  2803  	}
  2804  }
  2805  func rewriteValueS390X_OpLeq32F(v *Value, config *Config) bool {
  2806  	b := v.Block
  2807  	_ = b
  2808  	// match: (Leq32F x y)
  2809  	// cond:
  2810  	// result: (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMPS y x))
  2811  	for {
  2812  		x := v.Args[0]
  2813  		y := v.Args[1]
  2814  		v.reset(OpS390XMOVDGEnoinv)
  2815  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2816  		v0.AuxInt = 0
  2817  		v.AddArg(v0)
  2818  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2819  		v1.AuxInt = 1
  2820  		v.AddArg(v1)
  2821  		v2 := b.NewValue0(v.Pos, OpS390XFCMPS, TypeFlags)
  2822  		v2.AddArg(y)
  2823  		v2.AddArg(x)
  2824  		v.AddArg(v2)
  2825  		return true
  2826  	}
  2827  }
  2828  func rewriteValueS390X_OpLeq32U(v *Value, config *Config) bool {
  2829  	b := v.Block
  2830  	_ = b
  2831  	// match: (Leq32U x y)
  2832  	// cond:
  2833  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPWU x y))
  2834  	for {
  2835  		x := v.Args[0]
  2836  		y := v.Args[1]
  2837  		v.reset(OpS390XMOVDLE)
  2838  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2839  		v0.AuxInt = 0
  2840  		v.AddArg(v0)
  2841  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2842  		v1.AuxInt = 1
  2843  		v.AddArg(v1)
  2844  		v2 := b.NewValue0(v.Pos, OpS390XCMPWU, TypeFlags)
  2845  		v2.AddArg(x)
  2846  		v2.AddArg(y)
  2847  		v.AddArg(v2)
  2848  		return true
  2849  	}
  2850  }
  2851  func rewriteValueS390X_OpLeq64(v *Value, config *Config) bool {
  2852  	b := v.Block
  2853  	_ = b
  2854  	// match: (Leq64  x y)
  2855  	// cond:
  2856  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  2857  	for {
  2858  		x := v.Args[0]
  2859  		y := v.Args[1]
  2860  		v.reset(OpS390XMOVDLE)
  2861  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2862  		v0.AuxInt = 0
  2863  		v.AddArg(v0)
  2864  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2865  		v1.AuxInt = 1
  2866  		v.AddArg(v1)
  2867  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2868  		v2.AddArg(x)
  2869  		v2.AddArg(y)
  2870  		v.AddArg(v2)
  2871  		return true
  2872  	}
  2873  }
  2874  func rewriteValueS390X_OpLeq64F(v *Value, config *Config) bool {
  2875  	b := v.Block
  2876  	_ = b
  2877  	// match: (Leq64F x y)
  2878  	// cond:
  2879  	// result: (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMP y x))
  2880  	for {
  2881  		x := v.Args[0]
  2882  		y := v.Args[1]
  2883  		v.reset(OpS390XMOVDGEnoinv)
  2884  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2885  		v0.AuxInt = 0
  2886  		v.AddArg(v0)
  2887  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2888  		v1.AuxInt = 1
  2889  		v.AddArg(v1)
  2890  		v2 := b.NewValue0(v.Pos, OpS390XFCMP, TypeFlags)
  2891  		v2.AddArg(y)
  2892  		v2.AddArg(x)
  2893  		v.AddArg(v2)
  2894  		return true
  2895  	}
  2896  }
  2897  func rewriteValueS390X_OpLeq64U(v *Value, config *Config) bool {
  2898  	b := v.Block
  2899  	_ = b
  2900  	// match: (Leq64U x y)
  2901  	// cond:
  2902  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPU x y))
  2903  	for {
  2904  		x := v.Args[0]
  2905  		y := v.Args[1]
  2906  		v.reset(OpS390XMOVDLE)
  2907  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2908  		v0.AuxInt = 0
  2909  		v.AddArg(v0)
  2910  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2911  		v1.AuxInt = 1
  2912  		v.AddArg(v1)
  2913  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2914  		v2.AddArg(x)
  2915  		v2.AddArg(y)
  2916  		v.AddArg(v2)
  2917  		return true
  2918  	}
  2919  }
  2920  func rewriteValueS390X_OpLeq8(v *Value, config *Config) bool {
  2921  	b := v.Block
  2922  	_ = b
  2923  	// match: (Leq8   x y)
  2924  	// cond:
  2925  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  2926  	for {
  2927  		x := v.Args[0]
  2928  		y := v.Args[1]
  2929  		v.reset(OpS390XMOVDLE)
  2930  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2931  		v0.AuxInt = 0
  2932  		v.AddArg(v0)
  2933  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2934  		v1.AuxInt = 1
  2935  		v.AddArg(v1)
  2936  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2937  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  2938  		v3.AddArg(x)
  2939  		v2.AddArg(v3)
  2940  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  2941  		v4.AddArg(y)
  2942  		v2.AddArg(v4)
  2943  		v.AddArg(v2)
  2944  		return true
  2945  	}
  2946  }
  2947  func rewriteValueS390X_OpLeq8U(v *Value, config *Config) bool {
  2948  	b := v.Block
  2949  	_ = b
  2950  	// match: (Leq8U  x y)
  2951  	// cond:
  2952  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVBZreg x) (MOVBZreg y)))
  2953  	for {
  2954  		x := v.Args[0]
  2955  		y := v.Args[1]
  2956  		v.reset(OpS390XMOVDLE)
  2957  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2958  		v0.AuxInt = 0
  2959  		v.AddArg(v0)
  2960  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2961  		v1.AuxInt = 1
  2962  		v.AddArg(v1)
  2963  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2964  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2965  		v3.AddArg(x)
  2966  		v2.AddArg(v3)
  2967  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2968  		v4.AddArg(y)
  2969  		v2.AddArg(v4)
  2970  		v.AddArg(v2)
  2971  		return true
  2972  	}
  2973  }
  2974  func rewriteValueS390X_OpLess16(v *Value, config *Config) bool {
  2975  	b := v.Block
  2976  	_ = b
  2977  	// match: (Less16  x y)
  2978  	// cond:
  2979  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  2980  	for {
  2981  		x := v.Args[0]
  2982  		y := v.Args[1]
  2983  		v.reset(OpS390XMOVDLT)
  2984  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2985  		v0.AuxInt = 0
  2986  		v.AddArg(v0)
  2987  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2988  		v1.AuxInt = 1
  2989  		v.AddArg(v1)
  2990  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2991  		v3 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  2992  		v3.AddArg(x)
  2993  		v2.AddArg(v3)
  2994  		v4 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  2995  		v4.AddArg(y)
  2996  		v2.AddArg(v4)
  2997  		v.AddArg(v2)
  2998  		return true
  2999  	}
  3000  }
  3001  func rewriteValueS390X_OpLess16U(v *Value, config *Config) bool {
  3002  	b := v.Block
  3003  	_ = b
  3004  	// match: (Less16U x y)
  3005  	// cond:
  3006  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVHZreg x) (MOVHZreg y)))
  3007  	for {
  3008  		x := v.Args[0]
  3009  		y := v.Args[1]
  3010  		v.reset(OpS390XMOVDLT)
  3011  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3012  		v0.AuxInt = 0
  3013  		v.AddArg(v0)
  3014  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3015  		v1.AuxInt = 1
  3016  		v.AddArg(v1)
  3017  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  3018  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3019  		v3.AddArg(x)
  3020  		v2.AddArg(v3)
  3021  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3022  		v4.AddArg(y)
  3023  		v2.AddArg(v4)
  3024  		v.AddArg(v2)
  3025  		return true
  3026  	}
  3027  }
  3028  func rewriteValueS390X_OpLess32(v *Value, config *Config) bool {
  3029  	b := v.Block
  3030  	_ = b
  3031  	// match: (Less32  x y)
  3032  	// cond:
  3033  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  3034  	for {
  3035  		x := v.Args[0]
  3036  		y := v.Args[1]
  3037  		v.reset(OpS390XMOVDLT)
  3038  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3039  		v0.AuxInt = 0
  3040  		v.AddArg(v0)
  3041  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3042  		v1.AuxInt = 1
  3043  		v.AddArg(v1)
  3044  		v2 := b.NewValue0(v.Pos, OpS390XCMPW, TypeFlags)
  3045  		v2.AddArg(x)
  3046  		v2.AddArg(y)
  3047  		v.AddArg(v2)
  3048  		return true
  3049  	}
  3050  }
  3051  func rewriteValueS390X_OpLess32F(v *Value, config *Config) bool {
  3052  	b := v.Block
  3053  	_ = b
  3054  	// match: (Less32F x y)
  3055  	// cond:
  3056  	// result: (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMPS y x))
  3057  	for {
  3058  		x := v.Args[0]
  3059  		y := v.Args[1]
  3060  		v.reset(OpS390XMOVDGTnoinv)
  3061  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3062  		v0.AuxInt = 0
  3063  		v.AddArg(v0)
  3064  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3065  		v1.AuxInt = 1
  3066  		v.AddArg(v1)
  3067  		v2 := b.NewValue0(v.Pos, OpS390XFCMPS, TypeFlags)
  3068  		v2.AddArg(y)
  3069  		v2.AddArg(x)
  3070  		v.AddArg(v2)
  3071  		return true
  3072  	}
  3073  }
  3074  func rewriteValueS390X_OpLess32U(v *Value, config *Config) bool {
  3075  	b := v.Block
  3076  	_ = b
  3077  	// match: (Less32U x y)
  3078  	// cond:
  3079  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPWU x y))
  3080  	for {
  3081  		x := v.Args[0]
  3082  		y := v.Args[1]
  3083  		v.reset(OpS390XMOVDLT)
  3084  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3085  		v0.AuxInt = 0
  3086  		v.AddArg(v0)
  3087  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3088  		v1.AuxInt = 1
  3089  		v.AddArg(v1)
  3090  		v2 := b.NewValue0(v.Pos, OpS390XCMPWU, TypeFlags)
  3091  		v2.AddArg(x)
  3092  		v2.AddArg(y)
  3093  		v.AddArg(v2)
  3094  		return true
  3095  	}
  3096  }
  3097  func rewriteValueS390X_OpLess64(v *Value, config *Config) bool {
  3098  	b := v.Block
  3099  	_ = b
  3100  	// match: (Less64  x y)
  3101  	// cond:
  3102  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  3103  	for {
  3104  		x := v.Args[0]
  3105  		y := v.Args[1]
  3106  		v.reset(OpS390XMOVDLT)
  3107  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3108  		v0.AuxInt = 0
  3109  		v.AddArg(v0)
  3110  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3111  		v1.AuxInt = 1
  3112  		v.AddArg(v1)
  3113  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  3114  		v2.AddArg(x)
  3115  		v2.AddArg(y)
  3116  		v.AddArg(v2)
  3117  		return true
  3118  	}
  3119  }
  3120  func rewriteValueS390X_OpLess64F(v *Value, config *Config) bool {
  3121  	b := v.Block
  3122  	_ = b
  3123  	// match: (Less64F x y)
  3124  	// cond:
  3125  	// result: (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMP y x))
  3126  	for {
  3127  		x := v.Args[0]
  3128  		y := v.Args[1]
  3129  		v.reset(OpS390XMOVDGTnoinv)
  3130  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3131  		v0.AuxInt = 0
  3132  		v.AddArg(v0)
  3133  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3134  		v1.AuxInt = 1
  3135  		v.AddArg(v1)
  3136  		v2 := b.NewValue0(v.Pos, OpS390XFCMP, TypeFlags)
  3137  		v2.AddArg(y)
  3138  		v2.AddArg(x)
  3139  		v.AddArg(v2)
  3140  		return true
  3141  	}
  3142  }
  3143  func rewriteValueS390X_OpLess64U(v *Value, config *Config) bool {
  3144  	b := v.Block
  3145  	_ = b
  3146  	// match: (Less64U x y)
  3147  	// cond:
  3148  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPU x y))
  3149  	for {
  3150  		x := v.Args[0]
  3151  		y := v.Args[1]
  3152  		v.reset(OpS390XMOVDLT)
  3153  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3154  		v0.AuxInt = 0
  3155  		v.AddArg(v0)
  3156  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3157  		v1.AuxInt = 1
  3158  		v.AddArg(v1)
  3159  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  3160  		v2.AddArg(x)
  3161  		v2.AddArg(y)
  3162  		v.AddArg(v2)
  3163  		return true
  3164  	}
  3165  }
  3166  func rewriteValueS390X_OpLess8(v *Value, config *Config) bool {
  3167  	b := v.Block
  3168  	_ = b
  3169  	// match: (Less8   x y)
  3170  	// cond:
  3171  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  3172  	for {
  3173  		x := v.Args[0]
  3174  		y := v.Args[1]
  3175  		v.reset(OpS390XMOVDLT)
  3176  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3177  		v0.AuxInt = 0
  3178  		v.AddArg(v0)
  3179  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3180  		v1.AuxInt = 1
  3181  		v.AddArg(v1)
  3182  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  3183  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  3184  		v3.AddArg(x)
  3185  		v2.AddArg(v3)
  3186  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  3187  		v4.AddArg(y)
  3188  		v2.AddArg(v4)
  3189  		v.AddArg(v2)
  3190  		return true
  3191  	}
  3192  }
  3193  func rewriteValueS390X_OpLess8U(v *Value, config *Config) bool {
  3194  	b := v.Block
  3195  	_ = b
  3196  	// match: (Less8U  x y)
  3197  	// cond:
  3198  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVBZreg x) (MOVBZreg y)))
  3199  	for {
  3200  		x := v.Args[0]
  3201  		y := v.Args[1]
  3202  		v.reset(OpS390XMOVDLT)
  3203  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3204  		v0.AuxInt = 0
  3205  		v.AddArg(v0)
  3206  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3207  		v1.AuxInt = 1
  3208  		v.AddArg(v1)
  3209  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  3210  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3211  		v3.AddArg(x)
  3212  		v2.AddArg(v3)
  3213  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3214  		v4.AddArg(y)
  3215  		v2.AddArg(v4)
  3216  		v.AddArg(v2)
  3217  		return true
  3218  	}
  3219  }
  3220  func rewriteValueS390X_OpLoad(v *Value, config *Config) bool {
  3221  	b := v.Block
  3222  	_ = b
  3223  	// match: (Load <t> ptr mem)
  3224  	// cond: (is64BitInt(t) || isPtr(t))
  3225  	// result: (MOVDload ptr mem)
  3226  	for {
  3227  		t := v.Type
  3228  		ptr := v.Args[0]
  3229  		mem := v.Args[1]
  3230  		if !(is64BitInt(t) || isPtr(t)) {
  3231  			break
  3232  		}
  3233  		v.reset(OpS390XMOVDload)
  3234  		v.AddArg(ptr)
  3235  		v.AddArg(mem)
  3236  		return true
  3237  	}
  3238  	// match: (Load <t> ptr mem)
  3239  	// cond: is32BitInt(t) && isSigned(t)
  3240  	// result: (MOVWload ptr mem)
  3241  	for {
  3242  		t := v.Type
  3243  		ptr := v.Args[0]
  3244  		mem := v.Args[1]
  3245  		if !(is32BitInt(t) && isSigned(t)) {
  3246  			break
  3247  		}
  3248  		v.reset(OpS390XMOVWload)
  3249  		v.AddArg(ptr)
  3250  		v.AddArg(mem)
  3251  		return true
  3252  	}
  3253  	// match: (Load <t> ptr mem)
  3254  	// cond: is32BitInt(t) && !isSigned(t)
  3255  	// result: (MOVWZload ptr mem)
  3256  	for {
  3257  		t := v.Type
  3258  		ptr := v.Args[0]
  3259  		mem := v.Args[1]
  3260  		if !(is32BitInt(t) && !isSigned(t)) {
  3261  			break
  3262  		}
  3263  		v.reset(OpS390XMOVWZload)
  3264  		v.AddArg(ptr)
  3265  		v.AddArg(mem)
  3266  		return true
  3267  	}
  3268  	// match: (Load <t> ptr mem)
  3269  	// cond: is16BitInt(t) && isSigned(t)
  3270  	// result: (MOVHload ptr mem)
  3271  	for {
  3272  		t := v.Type
  3273  		ptr := v.Args[0]
  3274  		mem := v.Args[1]
  3275  		if !(is16BitInt(t) && isSigned(t)) {
  3276  			break
  3277  		}
  3278  		v.reset(OpS390XMOVHload)
  3279  		v.AddArg(ptr)
  3280  		v.AddArg(mem)
  3281  		return true
  3282  	}
  3283  	// match: (Load <t> ptr mem)
  3284  	// cond: is16BitInt(t) && !isSigned(t)
  3285  	// result: (MOVHZload ptr mem)
  3286  	for {
  3287  		t := v.Type
  3288  		ptr := v.Args[0]
  3289  		mem := v.Args[1]
  3290  		if !(is16BitInt(t) && !isSigned(t)) {
  3291  			break
  3292  		}
  3293  		v.reset(OpS390XMOVHZload)
  3294  		v.AddArg(ptr)
  3295  		v.AddArg(mem)
  3296  		return true
  3297  	}
  3298  	// match: (Load <t> ptr mem)
  3299  	// cond: is8BitInt(t) && isSigned(t)
  3300  	// result: (MOVBload ptr mem)
  3301  	for {
  3302  		t := v.Type
  3303  		ptr := v.Args[0]
  3304  		mem := v.Args[1]
  3305  		if !(is8BitInt(t) && isSigned(t)) {
  3306  			break
  3307  		}
  3308  		v.reset(OpS390XMOVBload)
  3309  		v.AddArg(ptr)
  3310  		v.AddArg(mem)
  3311  		return true
  3312  	}
  3313  	// match: (Load <t> ptr mem)
  3314  	// cond: (t.IsBoolean() || (is8BitInt(t) && !isSigned(t)))
  3315  	// result: (MOVBZload ptr mem)
  3316  	for {
  3317  		t := v.Type
  3318  		ptr := v.Args[0]
  3319  		mem := v.Args[1]
  3320  		if !(t.IsBoolean() || (is8BitInt(t) && !isSigned(t))) {
  3321  			break
  3322  		}
  3323  		v.reset(OpS390XMOVBZload)
  3324  		v.AddArg(ptr)
  3325  		v.AddArg(mem)
  3326  		return true
  3327  	}
  3328  	// match: (Load <t> ptr mem)
  3329  	// cond: is32BitFloat(t)
  3330  	// result: (FMOVSload ptr mem)
  3331  	for {
  3332  		t := v.Type
  3333  		ptr := v.Args[0]
  3334  		mem := v.Args[1]
  3335  		if !(is32BitFloat(t)) {
  3336  			break
  3337  		}
  3338  		v.reset(OpS390XFMOVSload)
  3339  		v.AddArg(ptr)
  3340  		v.AddArg(mem)
  3341  		return true
  3342  	}
  3343  	// match: (Load <t> ptr mem)
  3344  	// cond: is64BitFloat(t)
  3345  	// result: (FMOVDload ptr mem)
  3346  	for {
  3347  		t := v.Type
  3348  		ptr := v.Args[0]
  3349  		mem := v.Args[1]
  3350  		if !(is64BitFloat(t)) {
  3351  			break
  3352  		}
  3353  		v.reset(OpS390XFMOVDload)
  3354  		v.AddArg(ptr)
  3355  		v.AddArg(mem)
  3356  		return true
  3357  	}
  3358  	return false
  3359  }
  3360  func rewriteValueS390X_OpLsh16x16(v *Value, config *Config) bool {
  3361  	b := v.Block
  3362  	_ = b
  3363  	// match: (Lsh16x16 <t> x y)
  3364  	// cond:
  3365  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  3366  	for {
  3367  		t := v.Type
  3368  		x := v.Args[0]
  3369  		y := v.Args[1]
  3370  		v.reset(OpS390XANDW)
  3371  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3372  		v0.AddArg(x)
  3373  		v0.AddArg(y)
  3374  		v.AddArg(v0)
  3375  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3376  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3377  		v2.AuxInt = 31
  3378  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3379  		v3.AddArg(y)
  3380  		v2.AddArg(v3)
  3381  		v1.AddArg(v2)
  3382  		v.AddArg(v1)
  3383  		return true
  3384  	}
  3385  }
  3386  func rewriteValueS390X_OpLsh16x32(v *Value, config *Config) bool {
  3387  	b := v.Block
  3388  	_ = b
  3389  	// match: (Lsh16x32 <t> x y)
  3390  	// cond:
  3391  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  3392  	for {
  3393  		t := v.Type
  3394  		x := v.Args[0]
  3395  		y := v.Args[1]
  3396  		v.reset(OpS390XANDW)
  3397  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3398  		v0.AddArg(x)
  3399  		v0.AddArg(y)
  3400  		v.AddArg(v0)
  3401  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3402  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3403  		v2.AuxInt = 31
  3404  		v2.AddArg(y)
  3405  		v1.AddArg(v2)
  3406  		v.AddArg(v1)
  3407  		return true
  3408  	}
  3409  }
  3410  func rewriteValueS390X_OpLsh16x64(v *Value, config *Config) bool {
  3411  	b := v.Block
  3412  	_ = b
  3413  	// match: (Lsh16x64 <t> x y)
  3414  	// cond:
  3415  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  3416  	for {
  3417  		t := v.Type
  3418  		x := v.Args[0]
  3419  		y := v.Args[1]
  3420  		v.reset(OpS390XANDW)
  3421  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3422  		v0.AddArg(x)
  3423  		v0.AddArg(y)
  3424  		v.AddArg(v0)
  3425  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3426  		v2 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  3427  		v2.AuxInt = 31
  3428  		v2.AddArg(y)
  3429  		v1.AddArg(v2)
  3430  		v.AddArg(v1)
  3431  		return true
  3432  	}
  3433  }
  3434  func rewriteValueS390X_OpLsh16x8(v *Value, config *Config) bool {
  3435  	b := v.Block
  3436  	_ = b
  3437  	// match: (Lsh16x8  <t> x y)
  3438  	// cond:
  3439  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  3440  	for {
  3441  		t := v.Type
  3442  		x := v.Args[0]
  3443  		y := v.Args[1]
  3444  		v.reset(OpS390XANDW)
  3445  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3446  		v0.AddArg(x)
  3447  		v0.AddArg(y)
  3448  		v.AddArg(v0)
  3449  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3450  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3451  		v2.AuxInt = 31
  3452  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3453  		v3.AddArg(y)
  3454  		v2.AddArg(v3)
  3455  		v1.AddArg(v2)
  3456  		v.AddArg(v1)
  3457  		return true
  3458  	}
  3459  }
  3460  func rewriteValueS390X_OpLsh32x16(v *Value, config *Config) bool {
  3461  	b := v.Block
  3462  	_ = b
  3463  	// match: (Lsh32x16 <t> x y)
  3464  	// cond:
  3465  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  3466  	for {
  3467  		t := v.Type
  3468  		x := v.Args[0]
  3469  		y := v.Args[1]
  3470  		v.reset(OpS390XANDW)
  3471  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3472  		v0.AddArg(x)
  3473  		v0.AddArg(y)
  3474  		v.AddArg(v0)
  3475  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3476  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3477  		v2.AuxInt = 31
  3478  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3479  		v3.AddArg(y)
  3480  		v2.AddArg(v3)
  3481  		v1.AddArg(v2)
  3482  		v.AddArg(v1)
  3483  		return true
  3484  	}
  3485  }
  3486  func rewriteValueS390X_OpLsh32x32(v *Value, config *Config) bool {
  3487  	b := v.Block
  3488  	_ = b
  3489  	// match: (Lsh32x32 <t> x y)
  3490  	// cond:
  3491  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  3492  	for {
  3493  		t := v.Type
  3494  		x := v.Args[0]
  3495  		y := v.Args[1]
  3496  		v.reset(OpS390XANDW)
  3497  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3498  		v0.AddArg(x)
  3499  		v0.AddArg(y)
  3500  		v.AddArg(v0)
  3501  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3502  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3503  		v2.AuxInt = 31
  3504  		v2.AddArg(y)
  3505  		v1.AddArg(v2)
  3506  		v.AddArg(v1)
  3507  		return true
  3508  	}
  3509  }
  3510  func rewriteValueS390X_OpLsh32x64(v *Value, config *Config) bool {
  3511  	b := v.Block
  3512  	_ = b
  3513  	// match: (Lsh32x64 <t> x y)
  3514  	// cond:
  3515  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  3516  	for {
  3517  		t := v.Type
  3518  		x := v.Args[0]
  3519  		y := v.Args[1]
  3520  		v.reset(OpS390XANDW)
  3521  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3522  		v0.AddArg(x)
  3523  		v0.AddArg(y)
  3524  		v.AddArg(v0)
  3525  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3526  		v2 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  3527  		v2.AuxInt = 31
  3528  		v2.AddArg(y)
  3529  		v1.AddArg(v2)
  3530  		v.AddArg(v1)
  3531  		return true
  3532  	}
  3533  }
  3534  func rewriteValueS390X_OpLsh32x8(v *Value, config *Config) bool {
  3535  	b := v.Block
  3536  	_ = b
  3537  	// match: (Lsh32x8  <t> x y)
  3538  	// cond:
  3539  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  3540  	for {
  3541  		t := v.Type
  3542  		x := v.Args[0]
  3543  		y := v.Args[1]
  3544  		v.reset(OpS390XANDW)
  3545  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3546  		v0.AddArg(x)
  3547  		v0.AddArg(y)
  3548  		v.AddArg(v0)
  3549  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3550  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3551  		v2.AuxInt = 31
  3552  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3553  		v3.AddArg(y)
  3554  		v2.AddArg(v3)
  3555  		v1.AddArg(v2)
  3556  		v.AddArg(v1)
  3557  		return true
  3558  	}
  3559  }
  3560  func rewriteValueS390X_OpLsh64x16(v *Value, config *Config) bool {
  3561  	b := v.Block
  3562  	_ = b
  3563  	// match: (Lsh64x16 <t> x y)
  3564  	// cond:
  3565  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVHZreg y) [63])))
  3566  	for {
  3567  		t := v.Type
  3568  		x := v.Args[0]
  3569  		y := v.Args[1]
  3570  		v.reset(OpS390XAND)
  3571  		v0 := b.NewValue0(v.Pos, OpS390XSLD, t)
  3572  		v0.AddArg(x)
  3573  		v0.AddArg(y)
  3574  		v.AddArg(v0)
  3575  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  3576  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3577  		v2.AuxInt = 63
  3578  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3579  		v3.AddArg(y)
  3580  		v2.AddArg(v3)
  3581  		v1.AddArg(v2)
  3582  		v.AddArg(v1)
  3583  		return true
  3584  	}
  3585  }
  3586  func rewriteValueS390X_OpLsh64x32(v *Value, config *Config) bool {
  3587  	b := v.Block
  3588  	_ = b
  3589  	// match: (Lsh64x32 <t> x y)
  3590  	// cond:
  3591  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPWUconst y [63])))
  3592  	for {
  3593  		t := v.Type
  3594  		x := v.Args[0]
  3595  		y := v.Args[1]
  3596  		v.reset(OpS390XAND)
  3597  		v0 := b.NewValue0(v.Pos, OpS390XSLD, t)
  3598  		v0.AddArg(x)
  3599  		v0.AddArg(y)
  3600  		v.AddArg(v0)
  3601  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  3602  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3603  		v2.AuxInt = 63
  3604  		v2.AddArg(y)
  3605  		v1.AddArg(v2)
  3606  		v.AddArg(v1)
  3607  		return true
  3608  	}
  3609  }
  3610  func rewriteValueS390X_OpLsh64x64(v *Value, config *Config) bool {
  3611  	b := v.Block
  3612  	_ = b
  3613  	// match: (Lsh64x64 <t> x y)
  3614  	// cond:
  3615  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPUconst y [63])))
  3616  	for {
  3617  		t := v.Type
  3618  		x := v.Args[0]
  3619  		y := v.Args[1]
  3620  		v.reset(OpS390XAND)
  3621  		v0 := b.NewValue0(v.Pos, OpS390XSLD, t)
  3622  		v0.AddArg(x)
  3623  		v0.AddArg(y)
  3624  		v.AddArg(v0)
  3625  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  3626  		v2 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  3627  		v2.AuxInt = 63
  3628  		v2.AddArg(y)
  3629  		v1.AddArg(v2)
  3630  		v.AddArg(v1)
  3631  		return true
  3632  	}
  3633  }
  3634  func rewriteValueS390X_OpLsh64x8(v *Value, config *Config) bool {
  3635  	b := v.Block
  3636  	_ = b
  3637  	// match: (Lsh64x8  <t> x y)
  3638  	// cond:
  3639  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVBZreg y) [63])))
  3640  	for {
  3641  		t := v.Type
  3642  		x := v.Args[0]
  3643  		y := v.Args[1]
  3644  		v.reset(OpS390XAND)
  3645  		v0 := b.NewValue0(v.Pos, OpS390XSLD, t)
  3646  		v0.AddArg(x)
  3647  		v0.AddArg(y)
  3648  		v.AddArg(v0)
  3649  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  3650  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3651  		v2.AuxInt = 63
  3652  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3653  		v3.AddArg(y)
  3654  		v2.AddArg(v3)
  3655  		v1.AddArg(v2)
  3656  		v.AddArg(v1)
  3657  		return true
  3658  	}
  3659  }
  3660  func rewriteValueS390X_OpLsh8x16(v *Value, config *Config) bool {
  3661  	b := v.Block
  3662  	_ = b
  3663  	// match: (Lsh8x16 <t> x y)
  3664  	// cond:
  3665  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  3666  	for {
  3667  		t := v.Type
  3668  		x := v.Args[0]
  3669  		y := v.Args[1]
  3670  		v.reset(OpS390XANDW)
  3671  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3672  		v0.AddArg(x)
  3673  		v0.AddArg(y)
  3674  		v.AddArg(v0)
  3675  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3676  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3677  		v2.AuxInt = 31
  3678  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3679  		v3.AddArg(y)
  3680  		v2.AddArg(v3)
  3681  		v1.AddArg(v2)
  3682  		v.AddArg(v1)
  3683  		return true
  3684  	}
  3685  }
  3686  func rewriteValueS390X_OpLsh8x32(v *Value, config *Config) bool {
  3687  	b := v.Block
  3688  	_ = b
  3689  	// match: (Lsh8x32 <t> x y)
  3690  	// cond:
  3691  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  3692  	for {
  3693  		t := v.Type
  3694  		x := v.Args[0]
  3695  		y := v.Args[1]
  3696  		v.reset(OpS390XANDW)
  3697  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3698  		v0.AddArg(x)
  3699  		v0.AddArg(y)
  3700  		v.AddArg(v0)
  3701  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3702  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3703  		v2.AuxInt = 31
  3704  		v2.AddArg(y)
  3705  		v1.AddArg(v2)
  3706  		v.AddArg(v1)
  3707  		return true
  3708  	}
  3709  }
  3710  func rewriteValueS390X_OpLsh8x64(v *Value, config *Config) bool {
  3711  	b := v.Block
  3712  	_ = b
  3713  	// match: (Lsh8x64 <t> x y)
  3714  	// cond:
  3715  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  3716  	for {
  3717  		t := v.Type
  3718  		x := v.Args[0]
  3719  		y := v.Args[1]
  3720  		v.reset(OpS390XANDW)
  3721  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3722  		v0.AddArg(x)
  3723  		v0.AddArg(y)
  3724  		v.AddArg(v0)
  3725  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3726  		v2 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  3727  		v2.AuxInt = 31
  3728  		v2.AddArg(y)
  3729  		v1.AddArg(v2)
  3730  		v.AddArg(v1)
  3731  		return true
  3732  	}
  3733  }
  3734  func rewriteValueS390X_OpLsh8x8(v *Value, config *Config) bool {
  3735  	b := v.Block
  3736  	_ = b
  3737  	// match: (Lsh8x8  <t> x y)
  3738  	// cond:
  3739  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  3740  	for {
  3741  		t := v.Type
  3742  		x := v.Args[0]
  3743  		y := v.Args[1]
  3744  		v.reset(OpS390XANDW)
  3745  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3746  		v0.AddArg(x)
  3747  		v0.AddArg(y)
  3748  		v.AddArg(v0)
  3749  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3750  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3751  		v2.AuxInt = 31
  3752  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3753  		v3.AddArg(y)
  3754  		v2.AddArg(v3)
  3755  		v1.AddArg(v2)
  3756  		v.AddArg(v1)
  3757  		return true
  3758  	}
  3759  }
  3760  func rewriteValueS390X_OpMod16(v *Value, config *Config) bool {
  3761  	b := v.Block
  3762  	_ = b
  3763  	// match: (Mod16  x y)
  3764  	// cond:
  3765  	// result: (MODW  (MOVHreg x) (MOVHreg y))
  3766  	for {
  3767  		x := v.Args[0]
  3768  		y := v.Args[1]
  3769  		v.reset(OpS390XMODW)
  3770  		v0 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  3771  		v0.AddArg(x)
  3772  		v.AddArg(v0)
  3773  		v1 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  3774  		v1.AddArg(y)
  3775  		v.AddArg(v1)
  3776  		return true
  3777  	}
  3778  }
  3779  func rewriteValueS390X_OpMod16u(v *Value, config *Config) bool {
  3780  	b := v.Block
  3781  	_ = b
  3782  	// match: (Mod16u x y)
  3783  	// cond:
  3784  	// result: (MODWU (MOVHZreg x) (MOVHZreg y))
  3785  	for {
  3786  		x := v.Args[0]
  3787  		y := v.Args[1]
  3788  		v.reset(OpS390XMODWU)
  3789  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3790  		v0.AddArg(x)
  3791  		v.AddArg(v0)
  3792  		v1 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3793  		v1.AddArg(y)
  3794  		v.AddArg(v1)
  3795  		return true
  3796  	}
  3797  }
  3798  func rewriteValueS390X_OpMod32(v *Value, config *Config) bool {
  3799  	b := v.Block
  3800  	_ = b
  3801  	// match: (Mod32  x y)
  3802  	// cond:
  3803  	// result: (MODW  (MOVWreg x) y)
  3804  	for {
  3805  		x := v.Args[0]
  3806  		y := v.Args[1]
  3807  		v.reset(OpS390XMODW)
  3808  		v0 := b.NewValue0(v.Pos, OpS390XMOVWreg, config.fe.TypeInt64())
  3809  		v0.AddArg(x)
  3810  		v.AddArg(v0)
  3811  		v.AddArg(y)
  3812  		return true
  3813  	}
  3814  }
  3815  func rewriteValueS390X_OpMod32u(v *Value, config *Config) bool {
  3816  	b := v.Block
  3817  	_ = b
  3818  	// match: (Mod32u x y)
  3819  	// cond:
  3820  	// result: (MODWU (MOVWZreg x) y)
  3821  	for {
  3822  		x := v.Args[0]
  3823  		y := v.Args[1]
  3824  		v.reset(OpS390XMODWU)
  3825  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZreg, config.fe.TypeUInt64())
  3826  		v0.AddArg(x)
  3827  		v.AddArg(v0)
  3828  		v.AddArg(y)
  3829  		return true
  3830  	}
  3831  }
  3832  func rewriteValueS390X_OpMod64(v *Value, config *Config) bool {
  3833  	b := v.Block
  3834  	_ = b
  3835  	// match: (Mod64  x y)
  3836  	// cond:
  3837  	// result: (MODD  x y)
  3838  	for {
  3839  		x := v.Args[0]
  3840  		y := v.Args[1]
  3841  		v.reset(OpS390XMODD)
  3842  		v.AddArg(x)
  3843  		v.AddArg(y)
  3844  		return true
  3845  	}
  3846  }
  3847  func rewriteValueS390X_OpMod64u(v *Value, config *Config) bool {
  3848  	b := v.Block
  3849  	_ = b
  3850  	// match: (Mod64u x y)
  3851  	// cond:
  3852  	// result: (MODDU x y)
  3853  	for {
  3854  		x := v.Args[0]
  3855  		y := v.Args[1]
  3856  		v.reset(OpS390XMODDU)
  3857  		v.AddArg(x)
  3858  		v.AddArg(y)
  3859  		return true
  3860  	}
  3861  }
  3862  func rewriteValueS390X_OpMod8(v *Value, config *Config) bool {
  3863  	b := v.Block
  3864  	_ = b
  3865  	// match: (Mod8   x y)
  3866  	// cond:
  3867  	// result: (MODW  (MOVBreg x) (MOVBreg y))
  3868  	for {
  3869  		x := v.Args[0]
  3870  		y := v.Args[1]
  3871  		v.reset(OpS390XMODW)
  3872  		v0 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  3873  		v0.AddArg(x)
  3874  		v.AddArg(v0)
  3875  		v1 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  3876  		v1.AddArg(y)
  3877  		v.AddArg(v1)
  3878  		return true
  3879  	}
  3880  }
  3881  func rewriteValueS390X_OpMod8u(v *Value, config *Config) bool {
  3882  	b := v.Block
  3883  	_ = b
  3884  	// match: (Mod8u  x y)
  3885  	// cond:
  3886  	// result: (MODWU (MOVBZreg x) (MOVBZreg y))
  3887  	for {
  3888  		x := v.Args[0]
  3889  		y := v.Args[1]
  3890  		v.reset(OpS390XMODWU)
  3891  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3892  		v0.AddArg(x)
  3893  		v.AddArg(v0)
  3894  		v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3895  		v1.AddArg(y)
  3896  		v.AddArg(v1)
  3897  		return true
  3898  	}
  3899  }
  3900  func rewriteValueS390X_OpMove(v *Value, config *Config) bool {
  3901  	b := v.Block
  3902  	_ = b
  3903  	// match: (Move [s] _ _ mem)
  3904  	// cond: SizeAndAlign(s).Size() == 0
  3905  	// result: mem
  3906  	for {
  3907  		s := v.AuxInt
  3908  		mem := v.Args[2]
  3909  		if !(SizeAndAlign(s).Size() == 0) {
  3910  			break
  3911  		}
  3912  		v.reset(OpCopy)
  3913  		v.Type = mem.Type
  3914  		v.AddArg(mem)
  3915  		return true
  3916  	}
  3917  	// match: (Move [s] dst src mem)
  3918  	// cond: SizeAndAlign(s).Size() == 1
  3919  	// result: (MOVBstore dst (MOVBZload src mem) mem)
  3920  	for {
  3921  		s := v.AuxInt
  3922  		dst := v.Args[0]
  3923  		src := v.Args[1]
  3924  		mem := v.Args[2]
  3925  		if !(SizeAndAlign(s).Size() == 1) {
  3926  			break
  3927  		}
  3928  		v.reset(OpS390XMOVBstore)
  3929  		v.AddArg(dst)
  3930  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZload, config.fe.TypeUInt8())
  3931  		v0.AddArg(src)
  3932  		v0.AddArg(mem)
  3933  		v.AddArg(v0)
  3934  		v.AddArg(mem)
  3935  		return true
  3936  	}
  3937  	// match: (Move [s] dst src mem)
  3938  	// cond: SizeAndAlign(s).Size() == 2
  3939  	// result: (MOVHstore dst (MOVHZload src mem) mem)
  3940  	for {
  3941  		s := v.AuxInt
  3942  		dst := v.Args[0]
  3943  		src := v.Args[1]
  3944  		mem := v.Args[2]
  3945  		if !(SizeAndAlign(s).Size() == 2) {
  3946  			break
  3947  		}
  3948  		v.reset(OpS390XMOVHstore)
  3949  		v.AddArg(dst)
  3950  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZload, config.fe.TypeUInt16())
  3951  		v0.AddArg(src)
  3952  		v0.AddArg(mem)
  3953  		v.AddArg(v0)
  3954  		v.AddArg(mem)
  3955  		return true
  3956  	}
  3957  	// match: (Move [s] dst src mem)
  3958  	// cond: SizeAndAlign(s).Size() == 4
  3959  	// result: (MOVWstore dst (MOVWZload src mem) mem)
  3960  	for {
  3961  		s := v.AuxInt
  3962  		dst := v.Args[0]
  3963  		src := v.Args[1]
  3964  		mem := v.Args[2]
  3965  		if !(SizeAndAlign(s).Size() == 4) {
  3966  			break
  3967  		}
  3968  		v.reset(OpS390XMOVWstore)
  3969  		v.AddArg(dst)
  3970  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZload, config.fe.TypeUInt32())
  3971  		v0.AddArg(src)
  3972  		v0.AddArg(mem)
  3973  		v.AddArg(v0)
  3974  		v.AddArg(mem)
  3975  		return true
  3976  	}
  3977  	// match: (Move [s] dst src mem)
  3978  	// cond: SizeAndAlign(s).Size() == 8
  3979  	// result: (MOVDstore dst (MOVDload src mem) mem)
  3980  	for {
  3981  		s := v.AuxInt
  3982  		dst := v.Args[0]
  3983  		src := v.Args[1]
  3984  		mem := v.Args[2]
  3985  		if !(SizeAndAlign(s).Size() == 8) {
  3986  			break
  3987  		}
  3988  		v.reset(OpS390XMOVDstore)
  3989  		v.AddArg(dst)
  3990  		v0 := b.NewValue0(v.Pos, OpS390XMOVDload, config.fe.TypeUInt64())
  3991  		v0.AddArg(src)
  3992  		v0.AddArg(mem)
  3993  		v.AddArg(v0)
  3994  		v.AddArg(mem)
  3995  		return true
  3996  	}
  3997  	// match: (Move [s] dst src mem)
  3998  	// cond: SizeAndAlign(s).Size() == 16
  3999  	// result: (MOVDstore [8] dst (MOVDload [8] src mem) 		(MOVDstore dst (MOVDload src mem) mem))
  4000  	for {
  4001  		s := v.AuxInt
  4002  		dst := v.Args[0]
  4003  		src := v.Args[1]
  4004  		mem := v.Args[2]
  4005  		if !(SizeAndAlign(s).Size() == 16) {
  4006  			break
  4007  		}
  4008  		v.reset(OpS390XMOVDstore)
  4009  		v.AuxInt = 8
  4010  		v.AddArg(dst)
  4011  		v0 := b.NewValue0(v.Pos, OpS390XMOVDload, config.fe.TypeUInt64())
  4012  		v0.AuxInt = 8
  4013  		v0.AddArg(src)
  4014  		v0.AddArg(mem)
  4015  		v.AddArg(v0)
  4016  		v1 := b.NewValue0(v.Pos, OpS390XMOVDstore, TypeMem)
  4017  		v1.AddArg(dst)
  4018  		v2 := b.NewValue0(v.Pos, OpS390XMOVDload, config.fe.TypeUInt64())
  4019  		v2.AddArg(src)
  4020  		v2.AddArg(mem)
  4021  		v1.AddArg(v2)
  4022  		v1.AddArg(mem)
  4023  		v.AddArg(v1)
  4024  		return true
  4025  	}
  4026  	// match: (Move [s] dst src mem)
  4027  	// cond: SizeAndAlign(s).Size() == 24
  4028  	// result: (MOVDstore [16] dst (MOVDload [16] src mem) 	        (MOVDstore [8] dst (MOVDload [8] src mem)                 (MOVDstore dst (MOVDload src mem) mem)))
  4029  	for {
  4030  		s := v.AuxInt
  4031  		dst := v.Args[0]
  4032  		src := v.Args[1]
  4033  		mem := v.Args[2]
  4034  		if !(SizeAndAlign(s).Size() == 24) {
  4035  			break
  4036  		}
  4037  		v.reset(OpS390XMOVDstore)
  4038  		v.AuxInt = 16
  4039  		v.AddArg(dst)
  4040  		v0 := b.NewValue0(v.Pos, OpS390XMOVDload, config.fe.TypeUInt64())
  4041  		v0.AuxInt = 16
  4042  		v0.AddArg(src)
  4043  		v0.AddArg(mem)
  4044  		v.AddArg(v0)
  4045  		v1 := b.NewValue0(v.Pos, OpS390XMOVDstore, TypeMem)
  4046  		v1.AuxInt = 8
  4047  		v1.AddArg(dst)
  4048  		v2 := b.NewValue0(v.Pos, OpS390XMOVDload, config.fe.TypeUInt64())
  4049  		v2.AuxInt = 8
  4050  		v2.AddArg(src)
  4051  		v2.AddArg(mem)
  4052  		v1.AddArg(v2)
  4053  		v3 := b.NewValue0(v.Pos, OpS390XMOVDstore, TypeMem)
  4054  		v3.AddArg(dst)
  4055  		v4 := b.NewValue0(v.Pos, OpS390XMOVDload, config.fe.TypeUInt64())
  4056  		v4.AddArg(src)
  4057  		v4.AddArg(mem)
  4058  		v3.AddArg(v4)
  4059  		v3.AddArg(mem)
  4060  		v1.AddArg(v3)
  4061  		v.AddArg(v1)
  4062  		return true
  4063  	}
  4064  	// match: (Move [s] dst src mem)
  4065  	// cond: SizeAndAlign(s).Size() == 3
  4066  	// result: (MOVBstore [2] dst (MOVBZload [2] src mem) 		(MOVHstore dst (MOVHZload src mem) mem))
  4067  	for {
  4068  		s := v.AuxInt
  4069  		dst := v.Args[0]
  4070  		src := v.Args[1]
  4071  		mem := v.Args[2]
  4072  		if !(SizeAndAlign(s).Size() == 3) {
  4073  			break
  4074  		}
  4075  		v.reset(OpS390XMOVBstore)
  4076  		v.AuxInt = 2
  4077  		v.AddArg(dst)
  4078  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZload, config.fe.TypeUInt8())
  4079  		v0.AuxInt = 2
  4080  		v0.AddArg(src)
  4081  		v0.AddArg(mem)
  4082  		v.AddArg(v0)
  4083  		v1 := b.NewValue0(v.Pos, OpS390XMOVHstore, TypeMem)
  4084  		v1.AddArg(dst)
  4085  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZload, config.fe.TypeUInt16())
  4086  		v2.AddArg(src)
  4087  		v2.AddArg(mem)
  4088  		v1.AddArg(v2)
  4089  		v1.AddArg(mem)
  4090  		v.AddArg(v1)
  4091  		return true
  4092  	}
  4093  	// match: (Move [s] dst src mem)
  4094  	// cond: SizeAndAlign(s).Size() == 5
  4095  	// result: (MOVBstore [4] dst (MOVBZload [4] src mem) 		(MOVWstore dst (MOVWZload src mem) mem))
  4096  	for {
  4097  		s := v.AuxInt
  4098  		dst := v.Args[0]
  4099  		src := v.Args[1]
  4100  		mem := v.Args[2]
  4101  		if !(SizeAndAlign(s).Size() == 5) {
  4102  			break
  4103  		}
  4104  		v.reset(OpS390XMOVBstore)
  4105  		v.AuxInt = 4
  4106  		v.AddArg(dst)
  4107  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZload, config.fe.TypeUInt8())
  4108  		v0.AuxInt = 4
  4109  		v0.AddArg(src)
  4110  		v0.AddArg(mem)
  4111  		v.AddArg(v0)
  4112  		v1 := b.NewValue0(v.Pos, OpS390XMOVWstore, TypeMem)
  4113  		v1.AddArg(dst)
  4114  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZload, config.fe.TypeUInt32())
  4115  		v2.AddArg(src)
  4116  		v2.AddArg(mem)
  4117  		v1.AddArg(v2)
  4118  		v1.AddArg(mem)
  4119  		v.AddArg(v1)
  4120  		return true
  4121  	}
  4122  	// match: (Move [s] dst src mem)
  4123  	// cond: SizeAndAlign(s).Size() == 6
  4124  	// result: (MOVHstore [4] dst (MOVHZload [4] src mem) 		(MOVWstore dst (MOVWZload src mem) mem))
  4125  	for {
  4126  		s := v.AuxInt
  4127  		dst := v.Args[0]
  4128  		src := v.Args[1]
  4129  		mem := v.Args[2]
  4130  		if !(SizeAndAlign(s).Size() == 6) {
  4131  			break
  4132  		}
  4133  		v.reset(OpS390XMOVHstore)
  4134  		v.AuxInt = 4
  4135  		v.AddArg(dst)
  4136  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZload, config.fe.TypeUInt16())
  4137  		v0.AuxInt = 4
  4138  		v0.AddArg(src)
  4139  		v0.AddArg(mem)
  4140  		v.AddArg(v0)
  4141  		v1 := b.NewValue0(v.Pos, OpS390XMOVWstore, TypeMem)
  4142  		v1.AddArg(dst)
  4143  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZload, config.fe.TypeUInt32())
  4144  		v2.AddArg(src)
  4145  		v2.AddArg(mem)
  4146  		v1.AddArg(v2)
  4147  		v1.AddArg(mem)
  4148  		v.AddArg(v1)
  4149  		return true
  4150  	}
  4151  	// match: (Move [s] dst src mem)
  4152  	// cond: SizeAndAlign(s).Size() == 7
  4153  	// result: (MOVBstore [6] dst (MOVBZload [6] src mem) 		(MOVHstore [4] dst (MOVHZload [4] src mem) 			(MOVWstore dst (MOVWZload src mem) mem)))
  4154  	for {
  4155  		s := v.AuxInt
  4156  		dst := v.Args[0]
  4157  		src := v.Args[1]
  4158  		mem := v.Args[2]
  4159  		if !(SizeAndAlign(s).Size() == 7) {
  4160  			break
  4161  		}
  4162  		v.reset(OpS390XMOVBstore)
  4163  		v.AuxInt = 6
  4164  		v.AddArg(dst)
  4165  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZload, config.fe.TypeUInt8())
  4166  		v0.AuxInt = 6
  4167  		v0.AddArg(src)
  4168  		v0.AddArg(mem)
  4169  		v.AddArg(v0)
  4170  		v1 := b.NewValue0(v.Pos, OpS390XMOVHstore, TypeMem)
  4171  		v1.AuxInt = 4
  4172  		v1.AddArg(dst)
  4173  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZload, config.fe.TypeUInt16())
  4174  		v2.AuxInt = 4
  4175  		v2.AddArg(src)
  4176  		v2.AddArg(mem)
  4177  		v1.AddArg(v2)
  4178  		v3 := b.NewValue0(v.Pos, OpS390XMOVWstore, TypeMem)
  4179  		v3.AddArg(dst)
  4180  		v4 := b.NewValue0(v.Pos, OpS390XMOVWZload, config.fe.TypeUInt32())
  4181  		v4.AddArg(src)
  4182  		v4.AddArg(mem)
  4183  		v3.AddArg(v4)
  4184  		v3.AddArg(mem)
  4185  		v1.AddArg(v3)
  4186  		v.AddArg(v1)
  4187  		return true
  4188  	}
  4189  	// match: (Move [s] dst src mem)
  4190  	// cond: SizeAndAlign(s).Size() > 0 && SizeAndAlign(s).Size() <= 256
  4191  	// result: (MVC [makeValAndOff(SizeAndAlign(s).Size(), 0)] dst src mem)
  4192  	for {
  4193  		s := v.AuxInt
  4194  		dst := v.Args[0]
  4195  		src := v.Args[1]
  4196  		mem := v.Args[2]
  4197  		if !(SizeAndAlign(s).Size() > 0 && SizeAndAlign(s).Size() <= 256) {
  4198  			break
  4199  		}
  4200  		v.reset(OpS390XMVC)
  4201  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size(), 0)
  4202  		v.AddArg(dst)
  4203  		v.AddArg(src)
  4204  		v.AddArg(mem)
  4205  		return true
  4206  	}
  4207  	// match: (Move [s] dst src mem)
  4208  	// cond: SizeAndAlign(s).Size() > 256 && SizeAndAlign(s).Size() <= 512
  4209  	// result: (MVC [makeValAndOff(SizeAndAlign(s).Size()-256, 256)] dst src (MVC [makeValAndOff(256, 0)] dst src mem))
  4210  	for {
  4211  		s := v.AuxInt
  4212  		dst := v.Args[0]
  4213  		src := v.Args[1]
  4214  		mem := v.Args[2]
  4215  		if !(SizeAndAlign(s).Size() > 256 && SizeAndAlign(s).Size() <= 512) {
  4216  			break
  4217  		}
  4218  		v.reset(OpS390XMVC)
  4219  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size()-256, 256)
  4220  		v.AddArg(dst)
  4221  		v.AddArg(src)
  4222  		v0 := b.NewValue0(v.Pos, OpS390XMVC, TypeMem)
  4223  		v0.AuxInt = makeValAndOff(256, 0)
  4224  		v0.AddArg(dst)
  4225  		v0.AddArg(src)
  4226  		v0.AddArg(mem)
  4227  		v.AddArg(v0)
  4228  		return true
  4229  	}
  4230  	// match: (Move [s] dst src mem)
  4231  	// cond: SizeAndAlign(s).Size() > 512 && SizeAndAlign(s).Size() <= 768
  4232  	// result: (MVC [makeValAndOff(SizeAndAlign(s).Size()-512, 512)] dst src (MVC [makeValAndOff(256, 256)] dst src (MVC [makeValAndOff(256, 0)] dst src mem)))
  4233  	for {
  4234  		s := v.AuxInt
  4235  		dst := v.Args[0]
  4236  		src := v.Args[1]
  4237  		mem := v.Args[2]
  4238  		if !(SizeAndAlign(s).Size() > 512 && SizeAndAlign(s).Size() <= 768) {
  4239  			break
  4240  		}
  4241  		v.reset(OpS390XMVC)
  4242  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size()-512, 512)
  4243  		v.AddArg(dst)
  4244  		v.AddArg(src)
  4245  		v0 := b.NewValue0(v.Pos, OpS390XMVC, TypeMem)
  4246  		v0.AuxInt = makeValAndOff(256, 256)
  4247  		v0.AddArg(dst)
  4248  		v0.AddArg(src)
  4249  		v1 := b.NewValue0(v.Pos, OpS390XMVC, TypeMem)
  4250  		v1.AuxInt = makeValAndOff(256, 0)
  4251  		v1.AddArg(dst)
  4252  		v1.AddArg(src)
  4253  		v1.AddArg(mem)
  4254  		v0.AddArg(v1)
  4255  		v.AddArg(v0)
  4256  		return true
  4257  	}
  4258  	// match: (Move [s] dst src mem)
  4259  	// cond: SizeAndAlign(s).Size() > 768 && SizeAndAlign(s).Size() <= 1024
  4260  	// result: (MVC [makeValAndOff(SizeAndAlign(s).Size()-768, 768)] dst src (MVC [makeValAndOff(256, 512)] dst src (MVC [makeValAndOff(256, 256)] dst src (MVC [makeValAndOff(256, 0)] dst src mem))))
  4261  	for {
  4262  		s := v.AuxInt
  4263  		dst := v.Args[0]
  4264  		src := v.Args[1]
  4265  		mem := v.Args[2]
  4266  		if !(SizeAndAlign(s).Size() > 768 && SizeAndAlign(s).Size() <= 1024) {
  4267  			break
  4268  		}
  4269  		v.reset(OpS390XMVC)
  4270  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size()-768, 768)
  4271  		v.AddArg(dst)
  4272  		v.AddArg(src)
  4273  		v0 := b.NewValue0(v.Pos, OpS390XMVC, TypeMem)
  4274  		v0.AuxInt = makeValAndOff(256, 512)
  4275  		v0.AddArg(dst)
  4276  		v0.AddArg(src)
  4277  		v1 := b.NewValue0(v.Pos, OpS390XMVC, TypeMem)
  4278  		v1.AuxInt = makeValAndOff(256, 256)
  4279  		v1.AddArg(dst)
  4280  		v1.AddArg(src)
  4281  		v2 := b.NewValue0(v.Pos, OpS390XMVC, TypeMem)
  4282  		v2.AuxInt = makeValAndOff(256, 0)
  4283  		v2.AddArg(dst)
  4284  		v2.AddArg(src)
  4285  		v2.AddArg(mem)
  4286  		v1.AddArg(v2)
  4287  		v0.AddArg(v1)
  4288  		v.AddArg(v0)
  4289  		return true
  4290  	}
  4291  	// match: (Move [s] dst src mem)
  4292  	// cond: SizeAndAlign(s).Size() > 1024
  4293  	// result: (LoweredMove [SizeAndAlign(s).Size()%256] dst src (ADDconst <src.Type> src [(SizeAndAlign(s).Size()/256)*256]) mem)
  4294  	for {
  4295  		s := v.AuxInt
  4296  		dst := v.Args[0]
  4297  		src := v.Args[1]
  4298  		mem := v.Args[2]
  4299  		if !(SizeAndAlign(s).Size() > 1024) {
  4300  			break
  4301  		}
  4302  		v.reset(OpS390XLoweredMove)
  4303  		v.AuxInt = SizeAndAlign(s).Size() % 256
  4304  		v.AddArg(dst)
  4305  		v.AddArg(src)
  4306  		v0 := b.NewValue0(v.Pos, OpS390XADDconst, src.Type)
  4307  		v0.AuxInt = (SizeAndAlign(s).Size() / 256) * 256
  4308  		v0.AddArg(src)
  4309  		v.AddArg(v0)
  4310  		v.AddArg(mem)
  4311  		return true
  4312  	}
  4313  	return false
  4314  }
  4315  func rewriteValueS390X_OpMul16(v *Value, config *Config) bool {
  4316  	b := v.Block
  4317  	_ = b
  4318  	// match: (Mul16  x y)
  4319  	// cond:
  4320  	// result: (MULLW  x y)
  4321  	for {
  4322  		x := v.Args[0]
  4323  		y := v.Args[1]
  4324  		v.reset(OpS390XMULLW)
  4325  		v.AddArg(x)
  4326  		v.AddArg(y)
  4327  		return true
  4328  	}
  4329  }
  4330  func rewriteValueS390X_OpMul32(v *Value, config *Config) bool {
  4331  	b := v.Block
  4332  	_ = b
  4333  	// match: (Mul32  x y)
  4334  	// cond:
  4335  	// result: (MULLW  x y)
  4336  	for {
  4337  		x := v.Args[0]
  4338  		y := v.Args[1]
  4339  		v.reset(OpS390XMULLW)
  4340  		v.AddArg(x)
  4341  		v.AddArg(y)
  4342  		return true
  4343  	}
  4344  }
  4345  func rewriteValueS390X_OpMul32F(v *Value, config *Config) bool {
  4346  	b := v.Block
  4347  	_ = b
  4348  	// match: (Mul32F x y)
  4349  	// cond:
  4350  	// result: (FMULS x y)
  4351  	for {
  4352  		x := v.Args[0]
  4353  		y := v.Args[1]
  4354  		v.reset(OpS390XFMULS)
  4355  		v.AddArg(x)
  4356  		v.AddArg(y)
  4357  		return true
  4358  	}
  4359  }
  4360  func rewriteValueS390X_OpMul64(v *Value, config *Config) bool {
  4361  	b := v.Block
  4362  	_ = b
  4363  	// match: (Mul64  x y)
  4364  	// cond:
  4365  	// result: (MULLD  x y)
  4366  	for {
  4367  		x := v.Args[0]
  4368  		y := v.Args[1]
  4369  		v.reset(OpS390XMULLD)
  4370  		v.AddArg(x)
  4371  		v.AddArg(y)
  4372  		return true
  4373  	}
  4374  }
  4375  func rewriteValueS390X_OpMul64F(v *Value, config *Config) bool {
  4376  	b := v.Block
  4377  	_ = b
  4378  	// match: (Mul64F x y)
  4379  	// cond:
  4380  	// result: (FMUL x y)
  4381  	for {
  4382  		x := v.Args[0]
  4383  		y := v.Args[1]
  4384  		v.reset(OpS390XFMUL)
  4385  		v.AddArg(x)
  4386  		v.AddArg(y)
  4387  		return true
  4388  	}
  4389  }
  4390  func rewriteValueS390X_OpMul8(v *Value, config *Config) bool {
  4391  	b := v.Block
  4392  	_ = b
  4393  	// match: (Mul8   x y)
  4394  	// cond:
  4395  	// result: (MULLW  x y)
  4396  	for {
  4397  		x := v.Args[0]
  4398  		y := v.Args[1]
  4399  		v.reset(OpS390XMULLW)
  4400  		v.AddArg(x)
  4401  		v.AddArg(y)
  4402  		return true
  4403  	}
  4404  }
  4405  func rewriteValueS390X_OpNeg16(v *Value, config *Config) bool {
  4406  	b := v.Block
  4407  	_ = b
  4408  	// match: (Neg16  x)
  4409  	// cond:
  4410  	// result: (NEGW (MOVHreg x))
  4411  	for {
  4412  		x := v.Args[0]
  4413  		v.reset(OpS390XNEGW)
  4414  		v0 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  4415  		v0.AddArg(x)
  4416  		v.AddArg(v0)
  4417  		return true
  4418  	}
  4419  }
  4420  func rewriteValueS390X_OpNeg32(v *Value, config *Config) bool {
  4421  	b := v.Block
  4422  	_ = b
  4423  	// match: (Neg32  x)
  4424  	// cond:
  4425  	// result: (NEGW x)
  4426  	for {
  4427  		x := v.Args[0]
  4428  		v.reset(OpS390XNEGW)
  4429  		v.AddArg(x)
  4430  		return true
  4431  	}
  4432  }
  4433  func rewriteValueS390X_OpNeg32F(v *Value, config *Config) bool {
  4434  	b := v.Block
  4435  	_ = b
  4436  	// match: (Neg32F x)
  4437  	// cond:
  4438  	// result: (FNEGS x)
  4439  	for {
  4440  		x := v.Args[0]
  4441  		v.reset(OpS390XFNEGS)
  4442  		v.AddArg(x)
  4443  		return true
  4444  	}
  4445  }
  4446  func rewriteValueS390X_OpNeg64(v *Value, config *Config) bool {
  4447  	b := v.Block
  4448  	_ = b
  4449  	// match: (Neg64  x)
  4450  	// cond:
  4451  	// result: (NEG x)
  4452  	for {
  4453  		x := v.Args[0]
  4454  		v.reset(OpS390XNEG)
  4455  		v.AddArg(x)
  4456  		return true
  4457  	}
  4458  }
  4459  func rewriteValueS390X_OpNeg64F(v *Value, config *Config) bool {
  4460  	b := v.Block
  4461  	_ = b
  4462  	// match: (Neg64F x)
  4463  	// cond:
  4464  	// result: (FNEG x)
  4465  	for {
  4466  		x := v.Args[0]
  4467  		v.reset(OpS390XFNEG)
  4468  		v.AddArg(x)
  4469  		return true
  4470  	}
  4471  }
  4472  func rewriteValueS390X_OpNeg8(v *Value, config *Config) bool {
  4473  	b := v.Block
  4474  	_ = b
  4475  	// match: (Neg8   x)
  4476  	// cond:
  4477  	// result: (NEGW (MOVBreg x))
  4478  	for {
  4479  		x := v.Args[0]
  4480  		v.reset(OpS390XNEGW)
  4481  		v0 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  4482  		v0.AddArg(x)
  4483  		v.AddArg(v0)
  4484  		return true
  4485  	}
  4486  }
  4487  func rewriteValueS390X_OpNeq16(v *Value, config *Config) bool {
  4488  	b := v.Block
  4489  	_ = b
  4490  	// match: (Neq16  x y)
  4491  	// cond:
  4492  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  4493  	for {
  4494  		x := v.Args[0]
  4495  		y := v.Args[1]
  4496  		v.reset(OpS390XMOVDNE)
  4497  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4498  		v0.AuxInt = 0
  4499  		v.AddArg(v0)
  4500  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4501  		v1.AuxInt = 1
  4502  		v.AddArg(v1)
  4503  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  4504  		v3 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  4505  		v3.AddArg(x)
  4506  		v2.AddArg(v3)
  4507  		v4 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  4508  		v4.AddArg(y)
  4509  		v2.AddArg(v4)
  4510  		v.AddArg(v2)
  4511  		return true
  4512  	}
  4513  }
  4514  func rewriteValueS390X_OpNeq32(v *Value, config *Config) bool {
  4515  	b := v.Block
  4516  	_ = b
  4517  	// match: (Neq32  x y)
  4518  	// cond:
  4519  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  4520  	for {
  4521  		x := v.Args[0]
  4522  		y := v.Args[1]
  4523  		v.reset(OpS390XMOVDNE)
  4524  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4525  		v0.AuxInt = 0
  4526  		v.AddArg(v0)
  4527  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4528  		v1.AuxInt = 1
  4529  		v.AddArg(v1)
  4530  		v2 := b.NewValue0(v.Pos, OpS390XCMPW, TypeFlags)
  4531  		v2.AddArg(x)
  4532  		v2.AddArg(y)
  4533  		v.AddArg(v2)
  4534  		return true
  4535  	}
  4536  }
  4537  func rewriteValueS390X_OpNeq32F(v *Value, config *Config) bool {
  4538  	b := v.Block
  4539  	_ = b
  4540  	// match: (Neq32F x y)
  4541  	// cond:
  4542  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (FCMPS x y))
  4543  	for {
  4544  		x := v.Args[0]
  4545  		y := v.Args[1]
  4546  		v.reset(OpS390XMOVDNE)
  4547  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4548  		v0.AuxInt = 0
  4549  		v.AddArg(v0)
  4550  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4551  		v1.AuxInt = 1
  4552  		v.AddArg(v1)
  4553  		v2 := b.NewValue0(v.Pos, OpS390XFCMPS, TypeFlags)
  4554  		v2.AddArg(x)
  4555  		v2.AddArg(y)
  4556  		v.AddArg(v2)
  4557  		return true
  4558  	}
  4559  }
  4560  func rewriteValueS390X_OpNeq64(v *Value, config *Config) bool {
  4561  	b := v.Block
  4562  	_ = b
  4563  	// match: (Neq64  x y)
  4564  	// cond:
  4565  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  4566  	for {
  4567  		x := v.Args[0]
  4568  		y := v.Args[1]
  4569  		v.reset(OpS390XMOVDNE)
  4570  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4571  		v0.AuxInt = 0
  4572  		v.AddArg(v0)
  4573  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4574  		v1.AuxInt = 1
  4575  		v.AddArg(v1)
  4576  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  4577  		v2.AddArg(x)
  4578  		v2.AddArg(y)
  4579  		v.AddArg(v2)
  4580  		return true
  4581  	}
  4582  }
  4583  func rewriteValueS390X_OpNeq64F(v *Value, config *Config) bool {
  4584  	b := v.Block
  4585  	_ = b
  4586  	// match: (Neq64F x y)
  4587  	// cond:
  4588  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (FCMP x y))
  4589  	for {
  4590  		x := v.Args[0]
  4591  		y := v.Args[1]
  4592  		v.reset(OpS390XMOVDNE)
  4593  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4594  		v0.AuxInt = 0
  4595  		v.AddArg(v0)
  4596  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4597  		v1.AuxInt = 1
  4598  		v.AddArg(v1)
  4599  		v2 := b.NewValue0(v.Pos, OpS390XFCMP, TypeFlags)
  4600  		v2.AddArg(x)
  4601  		v2.AddArg(y)
  4602  		v.AddArg(v2)
  4603  		return true
  4604  	}
  4605  }
  4606  func rewriteValueS390X_OpNeq8(v *Value, config *Config) bool {
  4607  	b := v.Block
  4608  	_ = b
  4609  	// match: (Neq8   x y)
  4610  	// cond:
  4611  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  4612  	for {
  4613  		x := v.Args[0]
  4614  		y := v.Args[1]
  4615  		v.reset(OpS390XMOVDNE)
  4616  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4617  		v0.AuxInt = 0
  4618  		v.AddArg(v0)
  4619  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4620  		v1.AuxInt = 1
  4621  		v.AddArg(v1)
  4622  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  4623  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  4624  		v3.AddArg(x)
  4625  		v2.AddArg(v3)
  4626  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  4627  		v4.AddArg(y)
  4628  		v2.AddArg(v4)
  4629  		v.AddArg(v2)
  4630  		return true
  4631  	}
  4632  }
  4633  func rewriteValueS390X_OpNeqB(v *Value, config *Config) bool {
  4634  	b := v.Block
  4635  	_ = b
  4636  	// match: (NeqB   x y)
  4637  	// cond:
  4638  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  4639  	for {
  4640  		x := v.Args[0]
  4641  		y := v.Args[1]
  4642  		v.reset(OpS390XMOVDNE)
  4643  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4644  		v0.AuxInt = 0
  4645  		v.AddArg(v0)
  4646  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4647  		v1.AuxInt = 1
  4648  		v.AddArg(v1)
  4649  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  4650  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  4651  		v3.AddArg(x)
  4652  		v2.AddArg(v3)
  4653  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  4654  		v4.AddArg(y)
  4655  		v2.AddArg(v4)
  4656  		v.AddArg(v2)
  4657  		return true
  4658  	}
  4659  }
  4660  func rewriteValueS390X_OpNeqPtr(v *Value, config *Config) bool {
  4661  	b := v.Block
  4662  	_ = b
  4663  	// match: (NeqPtr x y)
  4664  	// cond:
  4665  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  4666  	for {
  4667  		x := v.Args[0]
  4668  		y := v.Args[1]
  4669  		v.reset(OpS390XMOVDNE)
  4670  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4671  		v0.AuxInt = 0
  4672  		v.AddArg(v0)
  4673  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4674  		v1.AuxInt = 1
  4675  		v.AddArg(v1)
  4676  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  4677  		v2.AddArg(x)
  4678  		v2.AddArg(y)
  4679  		v.AddArg(v2)
  4680  		return true
  4681  	}
  4682  }
  4683  func rewriteValueS390X_OpNilCheck(v *Value, config *Config) bool {
  4684  	b := v.Block
  4685  	_ = b
  4686  	// match: (NilCheck ptr mem)
  4687  	// cond:
  4688  	// result: (LoweredNilCheck ptr mem)
  4689  	for {
  4690  		ptr := v.Args[0]
  4691  		mem := v.Args[1]
  4692  		v.reset(OpS390XLoweredNilCheck)
  4693  		v.AddArg(ptr)
  4694  		v.AddArg(mem)
  4695  		return true
  4696  	}
  4697  }
  4698  func rewriteValueS390X_OpNot(v *Value, config *Config) bool {
  4699  	b := v.Block
  4700  	_ = b
  4701  	// match: (Not x)
  4702  	// cond:
  4703  	// result: (XORWconst [1] x)
  4704  	for {
  4705  		x := v.Args[0]
  4706  		v.reset(OpS390XXORWconst)
  4707  		v.AuxInt = 1
  4708  		v.AddArg(x)
  4709  		return true
  4710  	}
  4711  }
  4712  func rewriteValueS390X_OpOffPtr(v *Value, config *Config) bool {
  4713  	b := v.Block
  4714  	_ = b
  4715  	// match: (OffPtr [off] ptr:(SP))
  4716  	// cond:
  4717  	// result: (MOVDaddr [off] ptr)
  4718  	for {
  4719  		off := v.AuxInt
  4720  		ptr := v.Args[0]
  4721  		if ptr.Op != OpSP {
  4722  			break
  4723  		}
  4724  		v.reset(OpS390XMOVDaddr)
  4725  		v.AuxInt = off
  4726  		v.AddArg(ptr)
  4727  		return true
  4728  	}
  4729  	// match: (OffPtr [off] ptr)
  4730  	// cond: is32Bit(off)
  4731  	// result: (ADDconst [off] ptr)
  4732  	for {
  4733  		off := v.AuxInt
  4734  		ptr := v.Args[0]
  4735  		if !(is32Bit(off)) {
  4736  			break
  4737  		}
  4738  		v.reset(OpS390XADDconst)
  4739  		v.AuxInt = off
  4740  		v.AddArg(ptr)
  4741  		return true
  4742  	}
  4743  	// match: (OffPtr [off] ptr)
  4744  	// cond:
  4745  	// result: (ADD (MOVDconst [off]) ptr)
  4746  	for {
  4747  		off := v.AuxInt
  4748  		ptr := v.Args[0]
  4749  		v.reset(OpS390XADD)
  4750  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4751  		v0.AuxInt = off
  4752  		v.AddArg(v0)
  4753  		v.AddArg(ptr)
  4754  		return true
  4755  	}
  4756  }
  4757  func rewriteValueS390X_OpOr16(v *Value, config *Config) bool {
  4758  	b := v.Block
  4759  	_ = b
  4760  	// match: (Or16 x y)
  4761  	// cond:
  4762  	// result: (ORW x y)
  4763  	for {
  4764  		x := v.Args[0]
  4765  		y := v.Args[1]
  4766  		v.reset(OpS390XORW)
  4767  		v.AddArg(x)
  4768  		v.AddArg(y)
  4769  		return true
  4770  	}
  4771  }
  4772  func rewriteValueS390X_OpOr32(v *Value, config *Config) bool {
  4773  	b := v.Block
  4774  	_ = b
  4775  	// match: (Or32 x y)
  4776  	// cond:
  4777  	// result: (ORW x y)
  4778  	for {
  4779  		x := v.Args[0]
  4780  		y := v.Args[1]
  4781  		v.reset(OpS390XORW)
  4782  		v.AddArg(x)
  4783  		v.AddArg(y)
  4784  		return true
  4785  	}
  4786  }
  4787  func rewriteValueS390X_OpOr64(v *Value, config *Config) bool {
  4788  	b := v.Block
  4789  	_ = b
  4790  	// match: (Or64 x y)
  4791  	// cond:
  4792  	// result: (OR x y)
  4793  	for {
  4794  		x := v.Args[0]
  4795  		y := v.Args[1]
  4796  		v.reset(OpS390XOR)
  4797  		v.AddArg(x)
  4798  		v.AddArg(y)
  4799  		return true
  4800  	}
  4801  }
  4802  func rewriteValueS390X_OpOr8(v *Value, config *Config) bool {
  4803  	b := v.Block
  4804  	_ = b
  4805  	// match: (Or8  x y)
  4806  	// cond:
  4807  	// result: (ORW x y)
  4808  	for {
  4809  		x := v.Args[0]
  4810  		y := v.Args[1]
  4811  		v.reset(OpS390XORW)
  4812  		v.AddArg(x)
  4813  		v.AddArg(y)
  4814  		return true
  4815  	}
  4816  }
  4817  func rewriteValueS390X_OpOrB(v *Value, config *Config) bool {
  4818  	b := v.Block
  4819  	_ = b
  4820  	// match: (OrB x y)
  4821  	// cond:
  4822  	// result: (ORW x y)
  4823  	for {
  4824  		x := v.Args[0]
  4825  		y := v.Args[1]
  4826  		v.reset(OpS390XORW)
  4827  		v.AddArg(x)
  4828  		v.AddArg(y)
  4829  		return true
  4830  	}
  4831  }
  4832  func rewriteValueS390X_OpRsh16Ux16(v *Value, config *Config) bool {
  4833  	b := v.Block
  4834  	_ = b
  4835  	// match: (Rsh16Ux16 <t> x y)
  4836  	// cond:
  4837  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [15])))
  4838  	for {
  4839  		t := v.Type
  4840  		x := v.Args[0]
  4841  		y := v.Args[1]
  4842  		v.reset(OpS390XANDW)
  4843  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  4844  		v1 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4845  		v1.AddArg(x)
  4846  		v0.AddArg(v1)
  4847  		v0.AddArg(y)
  4848  		v.AddArg(v0)
  4849  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  4850  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  4851  		v3.AuxInt = 15
  4852  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4853  		v4.AddArg(y)
  4854  		v3.AddArg(v4)
  4855  		v2.AddArg(v3)
  4856  		v.AddArg(v2)
  4857  		return true
  4858  	}
  4859  }
  4860  func rewriteValueS390X_OpRsh16Ux32(v *Value, config *Config) bool {
  4861  	b := v.Block
  4862  	_ = b
  4863  	// match: (Rsh16Ux32 <t> x y)
  4864  	// cond:
  4865  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPWUconst y [15])))
  4866  	for {
  4867  		t := v.Type
  4868  		x := v.Args[0]
  4869  		y := v.Args[1]
  4870  		v.reset(OpS390XANDW)
  4871  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  4872  		v1 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4873  		v1.AddArg(x)
  4874  		v0.AddArg(v1)
  4875  		v0.AddArg(y)
  4876  		v.AddArg(v0)
  4877  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  4878  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  4879  		v3.AuxInt = 15
  4880  		v3.AddArg(y)
  4881  		v2.AddArg(v3)
  4882  		v.AddArg(v2)
  4883  		return true
  4884  	}
  4885  }
  4886  func rewriteValueS390X_OpRsh16Ux64(v *Value, config *Config) bool {
  4887  	b := v.Block
  4888  	_ = b
  4889  	// match: (Rsh16Ux64 <t> x y)
  4890  	// cond:
  4891  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPUconst y [15])))
  4892  	for {
  4893  		t := v.Type
  4894  		x := v.Args[0]
  4895  		y := v.Args[1]
  4896  		v.reset(OpS390XANDW)
  4897  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  4898  		v1 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4899  		v1.AddArg(x)
  4900  		v0.AddArg(v1)
  4901  		v0.AddArg(y)
  4902  		v.AddArg(v0)
  4903  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  4904  		v3 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  4905  		v3.AuxInt = 15
  4906  		v3.AddArg(y)
  4907  		v2.AddArg(v3)
  4908  		v.AddArg(v2)
  4909  		return true
  4910  	}
  4911  }
  4912  func rewriteValueS390X_OpRsh16Ux8(v *Value, config *Config) bool {
  4913  	b := v.Block
  4914  	_ = b
  4915  	// match: (Rsh16Ux8  <t> x y)
  4916  	// cond:
  4917  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [15])))
  4918  	for {
  4919  		t := v.Type
  4920  		x := v.Args[0]
  4921  		y := v.Args[1]
  4922  		v.reset(OpS390XANDW)
  4923  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  4924  		v1 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4925  		v1.AddArg(x)
  4926  		v0.AddArg(v1)
  4927  		v0.AddArg(y)
  4928  		v.AddArg(v0)
  4929  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  4930  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  4931  		v3.AuxInt = 15
  4932  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  4933  		v4.AddArg(y)
  4934  		v3.AddArg(v4)
  4935  		v2.AddArg(v3)
  4936  		v.AddArg(v2)
  4937  		return true
  4938  	}
  4939  }
  4940  func rewriteValueS390X_OpRsh16x16(v *Value, config *Config) bool {
  4941  	b := v.Block
  4942  	_ = b
  4943  	// match: (Rsh16x16 <t> x y)
  4944  	// cond:
  4945  	// result: (SRAW <t> (MOVHreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [15])))))
  4946  	for {
  4947  		t := v.Type
  4948  		x := v.Args[0]
  4949  		y := v.Args[1]
  4950  		v.reset(OpS390XSRAW)
  4951  		v.Type = t
  4952  		v0 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  4953  		v0.AddArg(x)
  4954  		v.AddArg(v0)
  4955  		v1 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  4956  		v1.AddArg(y)
  4957  		v2 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  4958  		v3 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  4959  		v4 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  4960  		v4.AuxInt = 15
  4961  		v5 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4962  		v5.AddArg(y)
  4963  		v4.AddArg(v5)
  4964  		v3.AddArg(v4)
  4965  		v2.AddArg(v3)
  4966  		v1.AddArg(v2)
  4967  		v.AddArg(v1)
  4968  		return true
  4969  	}
  4970  }
  4971  func rewriteValueS390X_OpRsh16x32(v *Value, config *Config) bool {
  4972  	b := v.Block
  4973  	_ = b
  4974  	// match: (Rsh16x32 <t> x y)
  4975  	// cond:
  4976  	// result: (SRAW <t> (MOVHreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [15])))))
  4977  	for {
  4978  		t := v.Type
  4979  		x := v.Args[0]
  4980  		y := v.Args[1]
  4981  		v.reset(OpS390XSRAW)
  4982  		v.Type = t
  4983  		v0 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  4984  		v0.AddArg(x)
  4985  		v.AddArg(v0)
  4986  		v1 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  4987  		v1.AddArg(y)
  4988  		v2 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  4989  		v3 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  4990  		v4 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  4991  		v4.AuxInt = 15
  4992  		v4.AddArg(y)
  4993  		v3.AddArg(v4)
  4994  		v2.AddArg(v3)
  4995  		v1.AddArg(v2)
  4996  		v.AddArg(v1)
  4997  		return true
  4998  	}
  4999  }
  5000  func rewriteValueS390X_OpRsh16x64(v *Value, config *Config) bool {
  5001  	b := v.Block
  5002  	_ = b
  5003  	// match: (Rsh16x64 <t> x y)
  5004  	// cond:
  5005  	// result: (SRAW <t> (MOVHreg x) (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [15])))))
  5006  	for {
  5007  		t := v.Type
  5008  		x := v.Args[0]
  5009  		y := v.Args[1]
  5010  		v.reset(OpS390XSRAW)
  5011  		v.Type = t
  5012  		v0 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  5013  		v0.AddArg(x)
  5014  		v.AddArg(v0)
  5015  		v1 := b.NewValue0(v.Pos, OpS390XOR, y.Type)
  5016  		v1.AddArg(y)
  5017  		v2 := b.NewValue0(v.Pos, OpS390XNOT, y.Type)
  5018  		v3 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, y.Type)
  5019  		v4 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  5020  		v4.AuxInt = 15
  5021  		v4.AddArg(y)
  5022  		v3.AddArg(v4)
  5023  		v2.AddArg(v3)
  5024  		v1.AddArg(v2)
  5025  		v.AddArg(v1)
  5026  		return true
  5027  	}
  5028  }
  5029  func rewriteValueS390X_OpRsh16x8(v *Value, config *Config) bool {
  5030  	b := v.Block
  5031  	_ = b
  5032  	// match: (Rsh16x8  <t> x y)
  5033  	// cond:
  5034  	// result: (SRAW <t> (MOVHreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [15])))))
  5035  	for {
  5036  		t := v.Type
  5037  		x := v.Args[0]
  5038  		y := v.Args[1]
  5039  		v.reset(OpS390XSRAW)
  5040  		v.Type = t
  5041  		v0 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  5042  		v0.AddArg(x)
  5043  		v.AddArg(v0)
  5044  		v1 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5045  		v1.AddArg(y)
  5046  		v2 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5047  		v3 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5048  		v4 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5049  		v4.AuxInt = 15
  5050  		v5 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5051  		v5.AddArg(y)
  5052  		v4.AddArg(v5)
  5053  		v3.AddArg(v4)
  5054  		v2.AddArg(v3)
  5055  		v1.AddArg(v2)
  5056  		v.AddArg(v1)
  5057  		return true
  5058  	}
  5059  }
  5060  func rewriteValueS390X_OpRsh32Ux16(v *Value, config *Config) bool {
  5061  	b := v.Block
  5062  	_ = b
  5063  	// match: (Rsh32Ux16 <t> x y)
  5064  	// cond:
  5065  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg 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, OpS390XCMPWUconst, TypeFlags)
  5077  		v2.AuxInt = 31
  5078  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5079  		v3.AddArg(y)
  5080  		v2.AddArg(v3)
  5081  		v1.AddArg(v2)
  5082  		v.AddArg(v1)
  5083  		return true
  5084  	}
  5085  }
  5086  func rewriteValueS390X_OpRsh32Ux32(v *Value, config *Config) bool {
  5087  	b := v.Block
  5088  	_ = b
  5089  	// match: (Rsh32Ux32 <t> x y)
  5090  	// cond:
  5091  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPWUconst 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  		v2.AddArg(y)
  5105  		v1.AddArg(v2)
  5106  		v.AddArg(v1)
  5107  		return true
  5108  	}
  5109  }
  5110  func rewriteValueS390X_OpRsh32Ux64(v *Value, config *Config) bool {
  5111  	b := v.Block
  5112  	_ = b
  5113  	// match: (Rsh32Ux64 <t> x y)
  5114  	// cond:
  5115  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  5116  	for {
  5117  		t := v.Type
  5118  		x := v.Args[0]
  5119  		y := v.Args[1]
  5120  		v.reset(OpS390XANDW)
  5121  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5122  		v0.AddArg(x)
  5123  		v0.AddArg(y)
  5124  		v.AddArg(v0)
  5125  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5126  		v2 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  5127  		v2.AuxInt = 31
  5128  		v2.AddArg(y)
  5129  		v1.AddArg(v2)
  5130  		v.AddArg(v1)
  5131  		return true
  5132  	}
  5133  }
  5134  func rewriteValueS390X_OpRsh32Ux8(v *Value, config *Config) bool {
  5135  	b := v.Block
  5136  	_ = b
  5137  	// match: (Rsh32Ux8  <t> x y)
  5138  	// cond:
  5139  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  5140  	for {
  5141  		t := v.Type
  5142  		x := v.Args[0]
  5143  		y := v.Args[1]
  5144  		v.reset(OpS390XANDW)
  5145  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5146  		v0.AddArg(x)
  5147  		v0.AddArg(y)
  5148  		v.AddArg(v0)
  5149  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5150  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5151  		v2.AuxInt = 31
  5152  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5153  		v3.AddArg(y)
  5154  		v2.AddArg(v3)
  5155  		v1.AddArg(v2)
  5156  		v.AddArg(v1)
  5157  		return true
  5158  	}
  5159  }
  5160  func rewriteValueS390X_OpRsh32x16(v *Value, config *Config) bool {
  5161  	b := v.Block
  5162  	_ = b
  5163  	// match: (Rsh32x16 <t> x y)
  5164  	// cond:
  5165  	// result: (SRAW <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [31])))))
  5166  	for {
  5167  		t := v.Type
  5168  		x := v.Args[0]
  5169  		y := v.Args[1]
  5170  		v.reset(OpS390XSRAW)
  5171  		v.Type = t
  5172  		v.AddArg(x)
  5173  		v0 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5174  		v0.AddArg(y)
  5175  		v1 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5176  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5177  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5178  		v3.AuxInt = 31
  5179  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5180  		v4.AddArg(y)
  5181  		v3.AddArg(v4)
  5182  		v2.AddArg(v3)
  5183  		v1.AddArg(v2)
  5184  		v0.AddArg(v1)
  5185  		v.AddArg(v0)
  5186  		return true
  5187  	}
  5188  }
  5189  func rewriteValueS390X_OpRsh32x32(v *Value, config *Config) bool {
  5190  	b := v.Block
  5191  	_ = b
  5192  	// match: (Rsh32x32 <t> x y)
  5193  	// cond:
  5194  	// result: (SRAW <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [31])))))
  5195  	for {
  5196  		t := v.Type
  5197  		x := v.Args[0]
  5198  		y := v.Args[1]
  5199  		v.reset(OpS390XSRAW)
  5200  		v.Type = t
  5201  		v.AddArg(x)
  5202  		v0 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5203  		v0.AddArg(y)
  5204  		v1 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5205  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5206  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5207  		v3.AuxInt = 31
  5208  		v3.AddArg(y)
  5209  		v2.AddArg(v3)
  5210  		v1.AddArg(v2)
  5211  		v0.AddArg(v1)
  5212  		v.AddArg(v0)
  5213  		return true
  5214  	}
  5215  }
  5216  func rewriteValueS390X_OpRsh32x64(v *Value, config *Config) bool {
  5217  	b := v.Block
  5218  	_ = b
  5219  	// match: (Rsh32x64 <t> x y)
  5220  	// cond:
  5221  	// result: (SRAW <t> x (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [31])))))
  5222  	for {
  5223  		t := v.Type
  5224  		x := v.Args[0]
  5225  		y := v.Args[1]
  5226  		v.reset(OpS390XSRAW)
  5227  		v.Type = t
  5228  		v.AddArg(x)
  5229  		v0 := b.NewValue0(v.Pos, OpS390XOR, y.Type)
  5230  		v0.AddArg(y)
  5231  		v1 := b.NewValue0(v.Pos, OpS390XNOT, y.Type)
  5232  		v2 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, y.Type)
  5233  		v3 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  5234  		v3.AuxInt = 31
  5235  		v3.AddArg(y)
  5236  		v2.AddArg(v3)
  5237  		v1.AddArg(v2)
  5238  		v0.AddArg(v1)
  5239  		v.AddArg(v0)
  5240  		return true
  5241  	}
  5242  }
  5243  func rewriteValueS390X_OpRsh32x8(v *Value, config *Config) bool {
  5244  	b := v.Block
  5245  	_ = b
  5246  	// match: (Rsh32x8  <t> x y)
  5247  	// cond:
  5248  	// result: (SRAW <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [31])))))
  5249  	for {
  5250  		t := v.Type
  5251  		x := v.Args[0]
  5252  		y := v.Args[1]
  5253  		v.reset(OpS390XSRAW)
  5254  		v.Type = t
  5255  		v.AddArg(x)
  5256  		v0 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5257  		v0.AddArg(y)
  5258  		v1 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5259  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5260  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5261  		v3.AuxInt = 31
  5262  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5263  		v4.AddArg(y)
  5264  		v3.AddArg(v4)
  5265  		v2.AddArg(v3)
  5266  		v1.AddArg(v2)
  5267  		v0.AddArg(v1)
  5268  		v.AddArg(v0)
  5269  		return true
  5270  	}
  5271  }
  5272  func rewriteValueS390X_OpRsh64Ux16(v *Value, config *Config) bool {
  5273  	b := v.Block
  5274  	_ = b
  5275  	// match: (Rsh64Ux16 <t> x y)
  5276  	// cond:
  5277  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVHZreg y) [63])))
  5278  	for {
  5279  		t := v.Type
  5280  		x := v.Args[0]
  5281  		y := v.Args[1]
  5282  		v.reset(OpS390XAND)
  5283  		v0 := b.NewValue0(v.Pos, OpS390XSRD, t)
  5284  		v0.AddArg(x)
  5285  		v0.AddArg(y)
  5286  		v.AddArg(v0)
  5287  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  5288  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5289  		v2.AuxInt = 63
  5290  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5291  		v3.AddArg(y)
  5292  		v2.AddArg(v3)
  5293  		v1.AddArg(v2)
  5294  		v.AddArg(v1)
  5295  		return true
  5296  	}
  5297  }
  5298  func rewriteValueS390X_OpRsh64Ux32(v *Value, config *Config) bool {
  5299  	b := v.Block
  5300  	_ = b
  5301  	// match: (Rsh64Ux32 <t> x y)
  5302  	// cond:
  5303  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPWUconst y [63])))
  5304  	for {
  5305  		t := v.Type
  5306  		x := v.Args[0]
  5307  		y := v.Args[1]
  5308  		v.reset(OpS390XAND)
  5309  		v0 := b.NewValue0(v.Pos, OpS390XSRD, t)
  5310  		v0.AddArg(x)
  5311  		v0.AddArg(y)
  5312  		v.AddArg(v0)
  5313  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  5314  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5315  		v2.AuxInt = 63
  5316  		v2.AddArg(y)
  5317  		v1.AddArg(v2)
  5318  		v.AddArg(v1)
  5319  		return true
  5320  	}
  5321  }
  5322  func rewriteValueS390X_OpRsh64Ux64(v *Value, config *Config) bool {
  5323  	b := v.Block
  5324  	_ = b
  5325  	// match: (Rsh64Ux64 <t> x y)
  5326  	// cond:
  5327  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPUconst y [63])))
  5328  	for {
  5329  		t := v.Type
  5330  		x := v.Args[0]
  5331  		y := v.Args[1]
  5332  		v.reset(OpS390XAND)
  5333  		v0 := b.NewValue0(v.Pos, OpS390XSRD, t)
  5334  		v0.AddArg(x)
  5335  		v0.AddArg(y)
  5336  		v.AddArg(v0)
  5337  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  5338  		v2 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  5339  		v2.AuxInt = 63
  5340  		v2.AddArg(y)
  5341  		v1.AddArg(v2)
  5342  		v.AddArg(v1)
  5343  		return true
  5344  	}
  5345  }
  5346  func rewriteValueS390X_OpRsh64Ux8(v *Value, config *Config) bool {
  5347  	b := v.Block
  5348  	_ = b
  5349  	// match: (Rsh64Ux8  <t> x y)
  5350  	// cond:
  5351  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVBZreg y) [63])))
  5352  	for {
  5353  		t := v.Type
  5354  		x := v.Args[0]
  5355  		y := v.Args[1]
  5356  		v.reset(OpS390XAND)
  5357  		v0 := b.NewValue0(v.Pos, OpS390XSRD, t)
  5358  		v0.AddArg(x)
  5359  		v0.AddArg(y)
  5360  		v.AddArg(v0)
  5361  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  5362  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5363  		v2.AuxInt = 63
  5364  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5365  		v3.AddArg(y)
  5366  		v2.AddArg(v3)
  5367  		v1.AddArg(v2)
  5368  		v.AddArg(v1)
  5369  		return true
  5370  	}
  5371  }
  5372  func rewriteValueS390X_OpRsh64x16(v *Value, config *Config) bool {
  5373  	b := v.Block
  5374  	_ = b
  5375  	// match: (Rsh64x16 <t> x y)
  5376  	// cond:
  5377  	// result: (SRAD <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [63])))))
  5378  	for {
  5379  		t := v.Type
  5380  		x := v.Args[0]
  5381  		y := v.Args[1]
  5382  		v.reset(OpS390XSRAD)
  5383  		v.Type = t
  5384  		v.AddArg(x)
  5385  		v0 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5386  		v0.AddArg(y)
  5387  		v1 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5388  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5389  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5390  		v3.AuxInt = 63
  5391  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5392  		v4.AddArg(y)
  5393  		v3.AddArg(v4)
  5394  		v2.AddArg(v3)
  5395  		v1.AddArg(v2)
  5396  		v0.AddArg(v1)
  5397  		v.AddArg(v0)
  5398  		return true
  5399  	}
  5400  }
  5401  func rewriteValueS390X_OpRsh64x32(v *Value, config *Config) bool {
  5402  	b := v.Block
  5403  	_ = b
  5404  	// match: (Rsh64x32 <t> x y)
  5405  	// cond:
  5406  	// result: (SRAD <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [63])))))
  5407  	for {
  5408  		t := v.Type
  5409  		x := v.Args[0]
  5410  		y := v.Args[1]
  5411  		v.reset(OpS390XSRAD)
  5412  		v.Type = t
  5413  		v.AddArg(x)
  5414  		v0 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5415  		v0.AddArg(y)
  5416  		v1 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5417  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5418  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5419  		v3.AuxInt = 63
  5420  		v3.AddArg(y)
  5421  		v2.AddArg(v3)
  5422  		v1.AddArg(v2)
  5423  		v0.AddArg(v1)
  5424  		v.AddArg(v0)
  5425  		return true
  5426  	}
  5427  }
  5428  func rewriteValueS390X_OpRsh64x64(v *Value, config *Config) bool {
  5429  	b := v.Block
  5430  	_ = b
  5431  	// match: (Rsh64x64 <t> x y)
  5432  	// cond:
  5433  	// result: (SRAD <t> x (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [63])))))
  5434  	for {
  5435  		t := v.Type
  5436  		x := v.Args[0]
  5437  		y := v.Args[1]
  5438  		v.reset(OpS390XSRAD)
  5439  		v.Type = t
  5440  		v.AddArg(x)
  5441  		v0 := b.NewValue0(v.Pos, OpS390XOR, y.Type)
  5442  		v0.AddArg(y)
  5443  		v1 := b.NewValue0(v.Pos, OpS390XNOT, y.Type)
  5444  		v2 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, y.Type)
  5445  		v3 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  5446  		v3.AuxInt = 63
  5447  		v3.AddArg(y)
  5448  		v2.AddArg(v3)
  5449  		v1.AddArg(v2)
  5450  		v0.AddArg(v1)
  5451  		v.AddArg(v0)
  5452  		return true
  5453  	}
  5454  }
  5455  func rewriteValueS390X_OpRsh64x8(v *Value, config *Config) bool {
  5456  	b := v.Block
  5457  	_ = b
  5458  	// match: (Rsh64x8  <t> x y)
  5459  	// cond:
  5460  	// result: (SRAD <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [63])))))
  5461  	for {
  5462  		t := v.Type
  5463  		x := v.Args[0]
  5464  		y := v.Args[1]
  5465  		v.reset(OpS390XSRAD)
  5466  		v.Type = t
  5467  		v.AddArg(x)
  5468  		v0 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5469  		v0.AddArg(y)
  5470  		v1 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5471  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5472  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5473  		v3.AuxInt = 63
  5474  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5475  		v4.AddArg(y)
  5476  		v3.AddArg(v4)
  5477  		v2.AddArg(v3)
  5478  		v1.AddArg(v2)
  5479  		v0.AddArg(v1)
  5480  		v.AddArg(v0)
  5481  		return true
  5482  	}
  5483  }
  5484  func rewriteValueS390X_OpRsh8Ux16(v *Value, config *Config) bool {
  5485  	b := v.Block
  5486  	_ = b
  5487  	// match: (Rsh8Ux16 <t> x y)
  5488  	// cond:
  5489  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [7])))
  5490  	for {
  5491  		t := v.Type
  5492  		x := v.Args[0]
  5493  		y := v.Args[1]
  5494  		v.reset(OpS390XANDW)
  5495  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5496  		v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5497  		v1.AddArg(x)
  5498  		v0.AddArg(v1)
  5499  		v0.AddArg(y)
  5500  		v.AddArg(v0)
  5501  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5502  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5503  		v3.AuxInt = 7
  5504  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5505  		v4.AddArg(y)
  5506  		v3.AddArg(v4)
  5507  		v2.AddArg(v3)
  5508  		v.AddArg(v2)
  5509  		return true
  5510  	}
  5511  }
  5512  func rewriteValueS390X_OpRsh8Ux32(v *Value, config *Config) bool {
  5513  	b := v.Block
  5514  	_ = b
  5515  	// match: (Rsh8Ux32 <t> x y)
  5516  	// cond:
  5517  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPWUconst y [7])))
  5518  	for {
  5519  		t := v.Type
  5520  		x := v.Args[0]
  5521  		y := v.Args[1]
  5522  		v.reset(OpS390XANDW)
  5523  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5524  		v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5525  		v1.AddArg(x)
  5526  		v0.AddArg(v1)
  5527  		v0.AddArg(y)
  5528  		v.AddArg(v0)
  5529  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5530  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5531  		v3.AuxInt = 7
  5532  		v3.AddArg(y)
  5533  		v2.AddArg(v3)
  5534  		v.AddArg(v2)
  5535  		return true
  5536  	}
  5537  }
  5538  func rewriteValueS390X_OpRsh8Ux64(v *Value, config *Config) bool {
  5539  	b := v.Block
  5540  	_ = b
  5541  	// match: (Rsh8Ux64 <t> x y)
  5542  	// cond:
  5543  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPUconst y [7])))
  5544  	for {
  5545  		t := v.Type
  5546  		x := v.Args[0]
  5547  		y := v.Args[1]
  5548  		v.reset(OpS390XANDW)
  5549  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5550  		v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5551  		v1.AddArg(x)
  5552  		v0.AddArg(v1)
  5553  		v0.AddArg(y)
  5554  		v.AddArg(v0)
  5555  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5556  		v3 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  5557  		v3.AuxInt = 7
  5558  		v3.AddArg(y)
  5559  		v2.AddArg(v3)
  5560  		v.AddArg(v2)
  5561  		return true
  5562  	}
  5563  }
  5564  func rewriteValueS390X_OpRsh8Ux8(v *Value, config *Config) bool {
  5565  	b := v.Block
  5566  	_ = b
  5567  	// match: (Rsh8Ux8  <t> x y)
  5568  	// cond:
  5569  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [7])))
  5570  	for {
  5571  		t := v.Type
  5572  		x := v.Args[0]
  5573  		y := v.Args[1]
  5574  		v.reset(OpS390XANDW)
  5575  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5576  		v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5577  		v1.AddArg(x)
  5578  		v0.AddArg(v1)
  5579  		v0.AddArg(y)
  5580  		v.AddArg(v0)
  5581  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5582  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5583  		v3.AuxInt = 7
  5584  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5585  		v4.AddArg(y)
  5586  		v3.AddArg(v4)
  5587  		v2.AddArg(v3)
  5588  		v.AddArg(v2)
  5589  		return true
  5590  	}
  5591  }
  5592  func rewriteValueS390X_OpRsh8x16(v *Value, config *Config) bool {
  5593  	b := v.Block
  5594  	_ = b
  5595  	// match: (Rsh8x16 <t> x y)
  5596  	// cond:
  5597  	// result: (SRAW <t> (MOVBreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [7])))))
  5598  	for {
  5599  		t := v.Type
  5600  		x := v.Args[0]
  5601  		y := v.Args[1]
  5602  		v.reset(OpS390XSRAW)
  5603  		v.Type = t
  5604  		v0 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  5605  		v0.AddArg(x)
  5606  		v.AddArg(v0)
  5607  		v1 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5608  		v1.AddArg(y)
  5609  		v2 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5610  		v3 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5611  		v4 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5612  		v4.AuxInt = 7
  5613  		v5 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5614  		v5.AddArg(y)
  5615  		v4.AddArg(v5)
  5616  		v3.AddArg(v4)
  5617  		v2.AddArg(v3)
  5618  		v1.AddArg(v2)
  5619  		v.AddArg(v1)
  5620  		return true
  5621  	}
  5622  }
  5623  func rewriteValueS390X_OpRsh8x32(v *Value, config *Config) bool {
  5624  	b := v.Block
  5625  	_ = b
  5626  	// match: (Rsh8x32 <t> x y)
  5627  	// cond:
  5628  	// result: (SRAW <t> (MOVBreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [7])))))
  5629  	for {
  5630  		t := v.Type
  5631  		x := v.Args[0]
  5632  		y := v.Args[1]
  5633  		v.reset(OpS390XSRAW)
  5634  		v.Type = t
  5635  		v0 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  5636  		v0.AddArg(x)
  5637  		v.AddArg(v0)
  5638  		v1 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5639  		v1.AddArg(y)
  5640  		v2 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5641  		v3 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5642  		v4 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5643  		v4.AuxInt = 7
  5644  		v4.AddArg(y)
  5645  		v3.AddArg(v4)
  5646  		v2.AddArg(v3)
  5647  		v1.AddArg(v2)
  5648  		v.AddArg(v1)
  5649  		return true
  5650  	}
  5651  }
  5652  func rewriteValueS390X_OpRsh8x64(v *Value, config *Config) bool {
  5653  	b := v.Block
  5654  	_ = b
  5655  	// match: (Rsh8x64 <t> x y)
  5656  	// cond:
  5657  	// result: (SRAW <t> (MOVBreg x) (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [7])))))
  5658  	for {
  5659  		t := v.Type
  5660  		x := v.Args[0]
  5661  		y := v.Args[1]
  5662  		v.reset(OpS390XSRAW)
  5663  		v.Type = t
  5664  		v0 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  5665  		v0.AddArg(x)
  5666  		v.AddArg(v0)
  5667  		v1 := b.NewValue0(v.Pos, OpS390XOR, y.Type)
  5668  		v1.AddArg(y)
  5669  		v2 := b.NewValue0(v.Pos, OpS390XNOT, y.Type)
  5670  		v3 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, y.Type)
  5671  		v4 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  5672  		v4.AuxInt = 7
  5673  		v4.AddArg(y)
  5674  		v3.AddArg(v4)
  5675  		v2.AddArg(v3)
  5676  		v1.AddArg(v2)
  5677  		v.AddArg(v1)
  5678  		return true
  5679  	}
  5680  }
  5681  func rewriteValueS390X_OpRsh8x8(v *Value, config *Config) bool {
  5682  	b := v.Block
  5683  	_ = b
  5684  	// match: (Rsh8x8  <t> x y)
  5685  	// cond:
  5686  	// result: (SRAW <t> (MOVBreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [7])))))
  5687  	for {
  5688  		t := v.Type
  5689  		x := v.Args[0]
  5690  		y := v.Args[1]
  5691  		v.reset(OpS390XSRAW)
  5692  		v.Type = t
  5693  		v0 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  5694  		v0.AddArg(x)
  5695  		v.AddArg(v0)
  5696  		v1 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5697  		v1.AddArg(y)
  5698  		v2 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5699  		v3 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5700  		v4 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5701  		v4.AuxInt = 7
  5702  		v5 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5703  		v5.AddArg(y)
  5704  		v4.AddArg(v5)
  5705  		v3.AddArg(v4)
  5706  		v2.AddArg(v3)
  5707  		v1.AddArg(v2)
  5708  		v.AddArg(v1)
  5709  		return true
  5710  	}
  5711  }
  5712  func rewriteValueS390X_OpS390XADD(v *Value, config *Config) bool {
  5713  	b := v.Block
  5714  	_ = b
  5715  	// match: (ADD x (MOVDconst [c]))
  5716  	// cond: is32Bit(c)
  5717  	// result: (ADDconst [c] x)
  5718  	for {
  5719  		x := v.Args[0]
  5720  		v_1 := v.Args[1]
  5721  		if v_1.Op != OpS390XMOVDconst {
  5722  			break
  5723  		}
  5724  		c := v_1.AuxInt
  5725  		if !(is32Bit(c)) {
  5726  			break
  5727  		}
  5728  		v.reset(OpS390XADDconst)
  5729  		v.AuxInt = c
  5730  		v.AddArg(x)
  5731  		return true
  5732  	}
  5733  	// match: (ADD (MOVDconst [c]) x)
  5734  	// cond: is32Bit(c)
  5735  	// result: (ADDconst [c] x)
  5736  	for {
  5737  		v_0 := v.Args[0]
  5738  		if v_0.Op != OpS390XMOVDconst {
  5739  			break
  5740  		}
  5741  		c := v_0.AuxInt
  5742  		x := v.Args[1]
  5743  		if !(is32Bit(c)) {
  5744  			break
  5745  		}
  5746  		v.reset(OpS390XADDconst)
  5747  		v.AuxInt = c
  5748  		v.AddArg(x)
  5749  		return true
  5750  	}
  5751  	// match: (ADD (SLDconst x [c]) (SRDconst x [64-c]))
  5752  	// cond:
  5753  	// result: (RLLGconst [   c] x)
  5754  	for {
  5755  		v_0 := v.Args[0]
  5756  		if v_0.Op != OpS390XSLDconst {
  5757  			break
  5758  		}
  5759  		c := v_0.AuxInt
  5760  		x := v_0.Args[0]
  5761  		v_1 := v.Args[1]
  5762  		if v_1.Op != OpS390XSRDconst {
  5763  			break
  5764  		}
  5765  		if v_1.AuxInt != 64-c {
  5766  			break
  5767  		}
  5768  		if x != v_1.Args[0] {
  5769  			break
  5770  		}
  5771  		v.reset(OpS390XRLLGconst)
  5772  		v.AuxInt = c
  5773  		v.AddArg(x)
  5774  		return true
  5775  	}
  5776  	// match: (ADD (SRDconst x [c]) (SLDconst x [64-c]))
  5777  	// cond:
  5778  	// result: (RLLGconst [64-c] x)
  5779  	for {
  5780  		v_0 := v.Args[0]
  5781  		if v_0.Op != OpS390XSRDconst {
  5782  			break
  5783  		}
  5784  		c := v_0.AuxInt
  5785  		x := v_0.Args[0]
  5786  		v_1 := v.Args[1]
  5787  		if v_1.Op != OpS390XSLDconst {
  5788  			break
  5789  		}
  5790  		if v_1.AuxInt != 64-c {
  5791  			break
  5792  		}
  5793  		if x != v_1.Args[0] {
  5794  			break
  5795  		}
  5796  		v.reset(OpS390XRLLGconst)
  5797  		v.AuxInt = 64 - c
  5798  		v.AddArg(x)
  5799  		return true
  5800  	}
  5801  	// match: (ADD x (MOVDaddr [c] {s} y))
  5802  	// cond: x.Op != OpSB && y.Op != OpSB
  5803  	// result: (MOVDaddridx [c] {s} x y)
  5804  	for {
  5805  		x := v.Args[0]
  5806  		v_1 := v.Args[1]
  5807  		if v_1.Op != OpS390XMOVDaddr {
  5808  			break
  5809  		}
  5810  		c := v_1.AuxInt
  5811  		s := v_1.Aux
  5812  		y := v_1.Args[0]
  5813  		if !(x.Op != OpSB && y.Op != OpSB) {
  5814  			break
  5815  		}
  5816  		v.reset(OpS390XMOVDaddridx)
  5817  		v.AuxInt = c
  5818  		v.Aux = s
  5819  		v.AddArg(x)
  5820  		v.AddArg(y)
  5821  		return true
  5822  	}
  5823  	// match: (ADD (MOVDaddr [c] {s} x) y)
  5824  	// cond: x.Op != OpSB && y.Op != OpSB
  5825  	// result: (MOVDaddridx [c] {s} x y)
  5826  	for {
  5827  		v_0 := v.Args[0]
  5828  		if v_0.Op != OpS390XMOVDaddr {
  5829  			break
  5830  		}
  5831  		c := v_0.AuxInt
  5832  		s := v_0.Aux
  5833  		x := v_0.Args[0]
  5834  		y := v.Args[1]
  5835  		if !(x.Op != OpSB && y.Op != OpSB) {
  5836  			break
  5837  		}
  5838  		v.reset(OpS390XMOVDaddridx)
  5839  		v.AuxInt = c
  5840  		v.Aux = s
  5841  		v.AddArg(x)
  5842  		v.AddArg(y)
  5843  		return true
  5844  	}
  5845  	// match: (ADD x (NEG y))
  5846  	// cond:
  5847  	// result: (SUB x y)
  5848  	for {
  5849  		x := v.Args[0]
  5850  		v_1 := v.Args[1]
  5851  		if v_1.Op != OpS390XNEG {
  5852  			break
  5853  		}
  5854  		y := v_1.Args[0]
  5855  		v.reset(OpS390XSUB)
  5856  		v.AddArg(x)
  5857  		v.AddArg(y)
  5858  		return true
  5859  	}
  5860  	// match: (ADD <t> x g:(MOVDload [off] {sym} ptr mem))
  5861  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  5862  	// result: (ADDload <t> [off] {sym} x ptr mem)
  5863  	for {
  5864  		t := v.Type
  5865  		x := v.Args[0]
  5866  		g := v.Args[1]
  5867  		if g.Op != OpS390XMOVDload {
  5868  			break
  5869  		}
  5870  		off := g.AuxInt
  5871  		sym := g.Aux
  5872  		ptr := g.Args[0]
  5873  		mem := g.Args[1]
  5874  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  5875  			break
  5876  		}
  5877  		v.reset(OpS390XADDload)
  5878  		v.Type = t
  5879  		v.AuxInt = off
  5880  		v.Aux = sym
  5881  		v.AddArg(x)
  5882  		v.AddArg(ptr)
  5883  		v.AddArg(mem)
  5884  		return true
  5885  	}
  5886  	// match: (ADD <t> g:(MOVDload [off] {sym} ptr mem) x)
  5887  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  5888  	// result: (ADDload <t> [off] {sym} x ptr mem)
  5889  	for {
  5890  		t := v.Type
  5891  		g := v.Args[0]
  5892  		if g.Op != OpS390XMOVDload {
  5893  			break
  5894  		}
  5895  		off := g.AuxInt
  5896  		sym := g.Aux
  5897  		ptr := g.Args[0]
  5898  		mem := g.Args[1]
  5899  		x := v.Args[1]
  5900  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  5901  			break
  5902  		}
  5903  		v.reset(OpS390XADDload)
  5904  		v.Type = t
  5905  		v.AuxInt = off
  5906  		v.Aux = sym
  5907  		v.AddArg(x)
  5908  		v.AddArg(ptr)
  5909  		v.AddArg(mem)
  5910  		return true
  5911  	}
  5912  	return false
  5913  }
  5914  func rewriteValueS390X_OpS390XADDW(v *Value, config *Config) bool {
  5915  	b := v.Block
  5916  	_ = b
  5917  	// match: (ADDW x (MOVDconst [c]))
  5918  	// cond:
  5919  	// result: (ADDWconst [c] x)
  5920  	for {
  5921  		x := v.Args[0]
  5922  		v_1 := v.Args[1]
  5923  		if v_1.Op != OpS390XMOVDconst {
  5924  			break
  5925  		}
  5926  		c := v_1.AuxInt
  5927  		v.reset(OpS390XADDWconst)
  5928  		v.AuxInt = c
  5929  		v.AddArg(x)
  5930  		return true
  5931  	}
  5932  	// match: (ADDW (MOVDconst [c]) x)
  5933  	// cond:
  5934  	// result: (ADDWconst [c] x)
  5935  	for {
  5936  		v_0 := v.Args[0]
  5937  		if v_0.Op != OpS390XMOVDconst {
  5938  			break
  5939  		}
  5940  		c := v_0.AuxInt
  5941  		x := v.Args[1]
  5942  		v.reset(OpS390XADDWconst)
  5943  		v.AuxInt = c
  5944  		v.AddArg(x)
  5945  		return true
  5946  	}
  5947  	// match: (ADDW (SLWconst x [c]) (SRWconst x [32-c]))
  5948  	// cond:
  5949  	// result: (RLLconst [   c] x)
  5950  	for {
  5951  		v_0 := v.Args[0]
  5952  		if v_0.Op != OpS390XSLWconst {
  5953  			break
  5954  		}
  5955  		c := v_0.AuxInt
  5956  		x := v_0.Args[0]
  5957  		v_1 := v.Args[1]
  5958  		if v_1.Op != OpS390XSRWconst {
  5959  			break
  5960  		}
  5961  		if v_1.AuxInt != 32-c {
  5962  			break
  5963  		}
  5964  		if x != v_1.Args[0] {
  5965  			break
  5966  		}
  5967  		v.reset(OpS390XRLLconst)
  5968  		v.AuxInt = c
  5969  		v.AddArg(x)
  5970  		return true
  5971  	}
  5972  	// match: (ADDW (SRWconst x [c]) (SLWconst x [32-c]))
  5973  	// cond:
  5974  	// result: (RLLconst [32-c] x)
  5975  	for {
  5976  		v_0 := v.Args[0]
  5977  		if v_0.Op != OpS390XSRWconst {
  5978  			break
  5979  		}
  5980  		c := v_0.AuxInt
  5981  		x := v_0.Args[0]
  5982  		v_1 := v.Args[1]
  5983  		if v_1.Op != OpS390XSLWconst {
  5984  			break
  5985  		}
  5986  		if v_1.AuxInt != 32-c {
  5987  			break
  5988  		}
  5989  		if x != v_1.Args[0] {
  5990  			break
  5991  		}
  5992  		v.reset(OpS390XRLLconst)
  5993  		v.AuxInt = 32 - c
  5994  		v.AddArg(x)
  5995  		return true
  5996  	}
  5997  	// match: (ADDW x (NEGW y))
  5998  	// cond:
  5999  	// result: (SUBW x y)
  6000  	for {
  6001  		x := v.Args[0]
  6002  		v_1 := v.Args[1]
  6003  		if v_1.Op != OpS390XNEGW {
  6004  			break
  6005  		}
  6006  		y := v_1.Args[0]
  6007  		v.reset(OpS390XSUBW)
  6008  		v.AddArg(x)
  6009  		v.AddArg(y)
  6010  		return true
  6011  	}
  6012  	// match: (ADDW <t> x g:(MOVWload [off] {sym} ptr mem))
  6013  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6014  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  6015  	for {
  6016  		t := v.Type
  6017  		x := v.Args[0]
  6018  		g := v.Args[1]
  6019  		if g.Op != OpS390XMOVWload {
  6020  			break
  6021  		}
  6022  		off := g.AuxInt
  6023  		sym := g.Aux
  6024  		ptr := g.Args[0]
  6025  		mem := g.Args[1]
  6026  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6027  			break
  6028  		}
  6029  		v.reset(OpS390XADDWload)
  6030  		v.Type = t
  6031  		v.AuxInt = off
  6032  		v.Aux = sym
  6033  		v.AddArg(x)
  6034  		v.AddArg(ptr)
  6035  		v.AddArg(mem)
  6036  		return true
  6037  	}
  6038  	// match: (ADDW <t> g:(MOVWload [off] {sym} ptr mem) x)
  6039  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6040  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  6041  	for {
  6042  		t := v.Type
  6043  		g := v.Args[0]
  6044  		if g.Op != OpS390XMOVWload {
  6045  			break
  6046  		}
  6047  		off := g.AuxInt
  6048  		sym := g.Aux
  6049  		ptr := g.Args[0]
  6050  		mem := g.Args[1]
  6051  		x := v.Args[1]
  6052  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6053  			break
  6054  		}
  6055  		v.reset(OpS390XADDWload)
  6056  		v.Type = t
  6057  		v.AuxInt = off
  6058  		v.Aux = sym
  6059  		v.AddArg(x)
  6060  		v.AddArg(ptr)
  6061  		v.AddArg(mem)
  6062  		return true
  6063  	}
  6064  	// match: (ADDW <t> x g:(MOVWZload [off] {sym} ptr mem))
  6065  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6066  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  6067  	for {
  6068  		t := v.Type
  6069  		x := v.Args[0]
  6070  		g := v.Args[1]
  6071  		if g.Op != OpS390XMOVWZload {
  6072  			break
  6073  		}
  6074  		off := g.AuxInt
  6075  		sym := g.Aux
  6076  		ptr := g.Args[0]
  6077  		mem := g.Args[1]
  6078  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6079  			break
  6080  		}
  6081  		v.reset(OpS390XADDWload)
  6082  		v.Type = t
  6083  		v.AuxInt = off
  6084  		v.Aux = sym
  6085  		v.AddArg(x)
  6086  		v.AddArg(ptr)
  6087  		v.AddArg(mem)
  6088  		return true
  6089  	}
  6090  	// match: (ADDW <t> g:(MOVWZload [off] {sym} ptr mem) x)
  6091  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6092  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  6093  	for {
  6094  		t := v.Type
  6095  		g := v.Args[0]
  6096  		if g.Op != OpS390XMOVWZload {
  6097  			break
  6098  		}
  6099  		off := g.AuxInt
  6100  		sym := g.Aux
  6101  		ptr := g.Args[0]
  6102  		mem := g.Args[1]
  6103  		x := v.Args[1]
  6104  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6105  			break
  6106  		}
  6107  		v.reset(OpS390XADDWload)
  6108  		v.Type = t
  6109  		v.AuxInt = off
  6110  		v.Aux = sym
  6111  		v.AddArg(x)
  6112  		v.AddArg(ptr)
  6113  		v.AddArg(mem)
  6114  		return true
  6115  	}
  6116  	return false
  6117  }
  6118  func rewriteValueS390X_OpS390XADDWconst(v *Value, config *Config) bool {
  6119  	b := v.Block
  6120  	_ = b
  6121  	// match: (ADDWconst [c] x)
  6122  	// cond: int32(c)==0
  6123  	// result: x
  6124  	for {
  6125  		c := v.AuxInt
  6126  		x := v.Args[0]
  6127  		if !(int32(c) == 0) {
  6128  			break
  6129  		}
  6130  		v.reset(OpCopy)
  6131  		v.Type = x.Type
  6132  		v.AddArg(x)
  6133  		return true
  6134  	}
  6135  	// match: (ADDWconst [c] (MOVDconst [d]))
  6136  	// cond:
  6137  	// result: (MOVDconst [int64(int32(c+d))])
  6138  	for {
  6139  		c := v.AuxInt
  6140  		v_0 := v.Args[0]
  6141  		if v_0.Op != OpS390XMOVDconst {
  6142  			break
  6143  		}
  6144  		d := v_0.AuxInt
  6145  		v.reset(OpS390XMOVDconst)
  6146  		v.AuxInt = int64(int32(c + d))
  6147  		return true
  6148  	}
  6149  	// match: (ADDWconst [c] (ADDWconst [d] x))
  6150  	// cond:
  6151  	// result: (ADDWconst [int64(int32(c+d))] x)
  6152  	for {
  6153  		c := v.AuxInt
  6154  		v_0 := v.Args[0]
  6155  		if v_0.Op != OpS390XADDWconst {
  6156  			break
  6157  		}
  6158  		d := v_0.AuxInt
  6159  		x := v_0.Args[0]
  6160  		v.reset(OpS390XADDWconst)
  6161  		v.AuxInt = int64(int32(c + d))
  6162  		v.AddArg(x)
  6163  		return true
  6164  	}
  6165  	return false
  6166  }
  6167  func rewriteValueS390X_OpS390XADDconst(v *Value, config *Config) bool {
  6168  	b := v.Block
  6169  	_ = b
  6170  	// match: (ADDconst [c] (MOVDaddr [d] {s} x:(SB)))
  6171  	// cond: ((c+d)&1 == 0) && is32Bit(c+d)
  6172  	// result: (MOVDaddr [c+d] {s} x)
  6173  	for {
  6174  		c := v.AuxInt
  6175  		v_0 := v.Args[0]
  6176  		if v_0.Op != OpS390XMOVDaddr {
  6177  			break
  6178  		}
  6179  		d := v_0.AuxInt
  6180  		s := v_0.Aux
  6181  		x := v_0.Args[0]
  6182  		if x.Op != OpSB {
  6183  			break
  6184  		}
  6185  		if !(((c+d)&1 == 0) && is32Bit(c+d)) {
  6186  			break
  6187  		}
  6188  		v.reset(OpS390XMOVDaddr)
  6189  		v.AuxInt = c + d
  6190  		v.Aux = s
  6191  		v.AddArg(x)
  6192  		return true
  6193  	}
  6194  	// match: (ADDconst [c] (MOVDaddr [d] {s} x))
  6195  	// cond: x.Op != OpSB && is20Bit(c+d)
  6196  	// result: (MOVDaddr [c+d] {s} x)
  6197  	for {
  6198  		c := v.AuxInt
  6199  		v_0 := v.Args[0]
  6200  		if v_0.Op != OpS390XMOVDaddr {
  6201  			break
  6202  		}
  6203  		d := v_0.AuxInt
  6204  		s := v_0.Aux
  6205  		x := v_0.Args[0]
  6206  		if !(x.Op != OpSB && is20Bit(c+d)) {
  6207  			break
  6208  		}
  6209  		v.reset(OpS390XMOVDaddr)
  6210  		v.AuxInt = c + d
  6211  		v.Aux = s
  6212  		v.AddArg(x)
  6213  		return true
  6214  	}
  6215  	// match: (ADDconst [c] (MOVDaddridx [d] {s} x y))
  6216  	// cond: is20Bit(c+d)
  6217  	// result: (MOVDaddridx [c+d] {s} x y)
  6218  	for {
  6219  		c := v.AuxInt
  6220  		v_0 := v.Args[0]
  6221  		if v_0.Op != OpS390XMOVDaddridx {
  6222  			break
  6223  		}
  6224  		d := v_0.AuxInt
  6225  		s := v_0.Aux
  6226  		x := v_0.Args[0]
  6227  		y := v_0.Args[1]
  6228  		if !(is20Bit(c + d)) {
  6229  			break
  6230  		}
  6231  		v.reset(OpS390XMOVDaddridx)
  6232  		v.AuxInt = c + d
  6233  		v.Aux = s
  6234  		v.AddArg(x)
  6235  		v.AddArg(y)
  6236  		return true
  6237  	}
  6238  	// match: (ADDconst [0] x)
  6239  	// cond:
  6240  	// result: x
  6241  	for {
  6242  		if v.AuxInt != 0 {
  6243  			break
  6244  		}
  6245  		x := v.Args[0]
  6246  		v.reset(OpCopy)
  6247  		v.Type = x.Type
  6248  		v.AddArg(x)
  6249  		return true
  6250  	}
  6251  	// match: (ADDconst [c] (MOVDconst [d]))
  6252  	// cond:
  6253  	// result: (MOVDconst [c+d])
  6254  	for {
  6255  		c := v.AuxInt
  6256  		v_0 := v.Args[0]
  6257  		if v_0.Op != OpS390XMOVDconst {
  6258  			break
  6259  		}
  6260  		d := v_0.AuxInt
  6261  		v.reset(OpS390XMOVDconst)
  6262  		v.AuxInt = c + d
  6263  		return true
  6264  	}
  6265  	// match: (ADDconst [c] (ADDconst [d] x))
  6266  	// cond: is32Bit(c+d)
  6267  	// result: (ADDconst [c+d] x)
  6268  	for {
  6269  		c := v.AuxInt
  6270  		v_0 := v.Args[0]
  6271  		if v_0.Op != OpS390XADDconst {
  6272  			break
  6273  		}
  6274  		d := v_0.AuxInt
  6275  		x := v_0.Args[0]
  6276  		if !(is32Bit(c + d)) {
  6277  			break
  6278  		}
  6279  		v.reset(OpS390XADDconst)
  6280  		v.AuxInt = c + d
  6281  		v.AddArg(x)
  6282  		return true
  6283  	}
  6284  	return false
  6285  }
  6286  func rewriteValueS390X_OpS390XAND(v *Value, config *Config) bool {
  6287  	b := v.Block
  6288  	_ = b
  6289  	// match: (AND x (MOVDconst [c]))
  6290  	// cond: is32Bit(c) && c < 0
  6291  	// result: (ANDconst [c] x)
  6292  	for {
  6293  		x := v.Args[0]
  6294  		v_1 := v.Args[1]
  6295  		if v_1.Op != OpS390XMOVDconst {
  6296  			break
  6297  		}
  6298  		c := v_1.AuxInt
  6299  		if !(is32Bit(c) && c < 0) {
  6300  			break
  6301  		}
  6302  		v.reset(OpS390XANDconst)
  6303  		v.AuxInt = c
  6304  		v.AddArg(x)
  6305  		return true
  6306  	}
  6307  	// match: (AND (MOVDconst [c]) x)
  6308  	// cond: is32Bit(c) && c < 0
  6309  	// result: (ANDconst [c] x)
  6310  	for {
  6311  		v_0 := v.Args[0]
  6312  		if v_0.Op != OpS390XMOVDconst {
  6313  			break
  6314  		}
  6315  		c := v_0.AuxInt
  6316  		x := v.Args[1]
  6317  		if !(is32Bit(c) && c < 0) {
  6318  			break
  6319  		}
  6320  		v.reset(OpS390XANDconst)
  6321  		v.AuxInt = c
  6322  		v.AddArg(x)
  6323  		return true
  6324  	}
  6325  	// match: (AND (MOVDconst [0xFF]) x)
  6326  	// cond:
  6327  	// result: (MOVBZreg x)
  6328  	for {
  6329  		v_0 := v.Args[0]
  6330  		if v_0.Op != OpS390XMOVDconst {
  6331  			break
  6332  		}
  6333  		if v_0.AuxInt != 0xFF {
  6334  			break
  6335  		}
  6336  		x := v.Args[1]
  6337  		v.reset(OpS390XMOVBZreg)
  6338  		v.AddArg(x)
  6339  		return true
  6340  	}
  6341  	// match: (AND x (MOVDconst [0xFF]))
  6342  	// cond:
  6343  	// result: (MOVBZreg x)
  6344  	for {
  6345  		x := v.Args[0]
  6346  		v_1 := v.Args[1]
  6347  		if v_1.Op != OpS390XMOVDconst {
  6348  			break
  6349  		}
  6350  		if v_1.AuxInt != 0xFF {
  6351  			break
  6352  		}
  6353  		v.reset(OpS390XMOVBZreg)
  6354  		v.AddArg(x)
  6355  		return true
  6356  	}
  6357  	// match: (AND (MOVDconst [0xFFFF]) x)
  6358  	// cond:
  6359  	// result: (MOVHZreg x)
  6360  	for {
  6361  		v_0 := v.Args[0]
  6362  		if v_0.Op != OpS390XMOVDconst {
  6363  			break
  6364  		}
  6365  		if v_0.AuxInt != 0xFFFF {
  6366  			break
  6367  		}
  6368  		x := v.Args[1]
  6369  		v.reset(OpS390XMOVHZreg)
  6370  		v.AddArg(x)
  6371  		return true
  6372  	}
  6373  	// match: (AND x (MOVDconst [0xFFFF]))
  6374  	// cond:
  6375  	// result: (MOVHZreg x)
  6376  	for {
  6377  		x := v.Args[0]
  6378  		v_1 := v.Args[1]
  6379  		if v_1.Op != OpS390XMOVDconst {
  6380  			break
  6381  		}
  6382  		if v_1.AuxInt != 0xFFFF {
  6383  			break
  6384  		}
  6385  		v.reset(OpS390XMOVHZreg)
  6386  		v.AddArg(x)
  6387  		return true
  6388  	}
  6389  	// match: (AND (MOVDconst [0xFFFFFFFF]) x)
  6390  	// cond:
  6391  	// result: (MOVWZreg x)
  6392  	for {
  6393  		v_0 := v.Args[0]
  6394  		if v_0.Op != OpS390XMOVDconst {
  6395  			break
  6396  		}
  6397  		if v_0.AuxInt != 0xFFFFFFFF {
  6398  			break
  6399  		}
  6400  		x := v.Args[1]
  6401  		v.reset(OpS390XMOVWZreg)
  6402  		v.AddArg(x)
  6403  		return true
  6404  	}
  6405  	// match: (AND x (MOVDconst [0xFFFFFFFF]))
  6406  	// cond:
  6407  	// result: (MOVWZreg x)
  6408  	for {
  6409  		x := v.Args[0]
  6410  		v_1 := v.Args[1]
  6411  		if v_1.Op != OpS390XMOVDconst {
  6412  			break
  6413  		}
  6414  		if v_1.AuxInt != 0xFFFFFFFF {
  6415  			break
  6416  		}
  6417  		v.reset(OpS390XMOVWZreg)
  6418  		v.AddArg(x)
  6419  		return true
  6420  	}
  6421  	// match: (AND (MOVDconst [c]) (MOVDconst [d]))
  6422  	// cond:
  6423  	// result: (MOVDconst [c&d])
  6424  	for {
  6425  		v_0 := v.Args[0]
  6426  		if v_0.Op != OpS390XMOVDconst {
  6427  			break
  6428  		}
  6429  		c := v_0.AuxInt
  6430  		v_1 := v.Args[1]
  6431  		if v_1.Op != OpS390XMOVDconst {
  6432  			break
  6433  		}
  6434  		d := v_1.AuxInt
  6435  		v.reset(OpS390XMOVDconst)
  6436  		v.AuxInt = c & d
  6437  		return true
  6438  	}
  6439  	// match: (AND x x)
  6440  	// cond:
  6441  	// result: x
  6442  	for {
  6443  		x := v.Args[0]
  6444  		if x != v.Args[1] {
  6445  			break
  6446  		}
  6447  		v.reset(OpCopy)
  6448  		v.Type = x.Type
  6449  		v.AddArg(x)
  6450  		return true
  6451  	}
  6452  	// match: (AND <t> x g:(MOVDload [off] {sym} ptr mem))
  6453  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6454  	// result: (ANDload <t> [off] {sym} x ptr mem)
  6455  	for {
  6456  		t := v.Type
  6457  		x := v.Args[0]
  6458  		g := v.Args[1]
  6459  		if g.Op != OpS390XMOVDload {
  6460  			break
  6461  		}
  6462  		off := g.AuxInt
  6463  		sym := g.Aux
  6464  		ptr := g.Args[0]
  6465  		mem := g.Args[1]
  6466  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6467  			break
  6468  		}
  6469  		v.reset(OpS390XANDload)
  6470  		v.Type = t
  6471  		v.AuxInt = off
  6472  		v.Aux = sym
  6473  		v.AddArg(x)
  6474  		v.AddArg(ptr)
  6475  		v.AddArg(mem)
  6476  		return true
  6477  	}
  6478  	// match: (AND <t> g:(MOVDload [off] {sym} ptr mem) x)
  6479  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6480  	// result: (ANDload <t> [off] {sym} x ptr mem)
  6481  	for {
  6482  		t := v.Type
  6483  		g := v.Args[0]
  6484  		if g.Op != OpS390XMOVDload {
  6485  			break
  6486  		}
  6487  		off := g.AuxInt
  6488  		sym := g.Aux
  6489  		ptr := g.Args[0]
  6490  		mem := g.Args[1]
  6491  		x := v.Args[1]
  6492  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6493  			break
  6494  		}
  6495  		v.reset(OpS390XANDload)
  6496  		v.Type = t
  6497  		v.AuxInt = off
  6498  		v.Aux = sym
  6499  		v.AddArg(x)
  6500  		v.AddArg(ptr)
  6501  		v.AddArg(mem)
  6502  		return true
  6503  	}
  6504  	return false
  6505  }
  6506  func rewriteValueS390X_OpS390XANDW(v *Value, config *Config) bool {
  6507  	b := v.Block
  6508  	_ = b
  6509  	// match: (ANDW x (MOVDconst [c]))
  6510  	// cond:
  6511  	// result: (ANDWconst [c] x)
  6512  	for {
  6513  		x := v.Args[0]
  6514  		v_1 := v.Args[1]
  6515  		if v_1.Op != OpS390XMOVDconst {
  6516  			break
  6517  		}
  6518  		c := v_1.AuxInt
  6519  		v.reset(OpS390XANDWconst)
  6520  		v.AuxInt = c
  6521  		v.AddArg(x)
  6522  		return true
  6523  	}
  6524  	// match: (ANDW (MOVDconst [c]) x)
  6525  	// cond:
  6526  	// result: (ANDWconst [c] x)
  6527  	for {
  6528  		v_0 := v.Args[0]
  6529  		if v_0.Op != OpS390XMOVDconst {
  6530  			break
  6531  		}
  6532  		c := v_0.AuxInt
  6533  		x := v.Args[1]
  6534  		v.reset(OpS390XANDWconst)
  6535  		v.AuxInt = c
  6536  		v.AddArg(x)
  6537  		return true
  6538  	}
  6539  	// match: (ANDW x x)
  6540  	// cond:
  6541  	// result: x
  6542  	for {
  6543  		x := v.Args[0]
  6544  		if x != v.Args[1] {
  6545  			break
  6546  		}
  6547  		v.reset(OpCopy)
  6548  		v.Type = x.Type
  6549  		v.AddArg(x)
  6550  		return true
  6551  	}
  6552  	// match: (ANDW <t> x g:(MOVWload [off] {sym} ptr mem))
  6553  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6554  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6555  	for {
  6556  		t := v.Type
  6557  		x := v.Args[0]
  6558  		g := v.Args[1]
  6559  		if g.Op != OpS390XMOVWload {
  6560  			break
  6561  		}
  6562  		off := g.AuxInt
  6563  		sym := g.Aux
  6564  		ptr := g.Args[0]
  6565  		mem := g.Args[1]
  6566  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6567  			break
  6568  		}
  6569  		v.reset(OpS390XANDWload)
  6570  		v.Type = t
  6571  		v.AuxInt = off
  6572  		v.Aux = sym
  6573  		v.AddArg(x)
  6574  		v.AddArg(ptr)
  6575  		v.AddArg(mem)
  6576  		return true
  6577  	}
  6578  	// match: (ANDW <t> g:(MOVWload [off] {sym} ptr mem) x)
  6579  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6580  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6581  	for {
  6582  		t := v.Type
  6583  		g := v.Args[0]
  6584  		if g.Op != OpS390XMOVWload {
  6585  			break
  6586  		}
  6587  		off := g.AuxInt
  6588  		sym := g.Aux
  6589  		ptr := g.Args[0]
  6590  		mem := g.Args[1]
  6591  		x := v.Args[1]
  6592  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6593  			break
  6594  		}
  6595  		v.reset(OpS390XANDWload)
  6596  		v.Type = t
  6597  		v.AuxInt = off
  6598  		v.Aux = sym
  6599  		v.AddArg(x)
  6600  		v.AddArg(ptr)
  6601  		v.AddArg(mem)
  6602  		return true
  6603  	}
  6604  	// match: (ANDW <t> x g:(MOVWZload [off] {sym} ptr mem))
  6605  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6606  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6607  	for {
  6608  		t := v.Type
  6609  		x := v.Args[0]
  6610  		g := v.Args[1]
  6611  		if g.Op != OpS390XMOVWZload {
  6612  			break
  6613  		}
  6614  		off := g.AuxInt
  6615  		sym := g.Aux
  6616  		ptr := g.Args[0]
  6617  		mem := g.Args[1]
  6618  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6619  			break
  6620  		}
  6621  		v.reset(OpS390XANDWload)
  6622  		v.Type = t
  6623  		v.AuxInt = off
  6624  		v.Aux = sym
  6625  		v.AddArg(x)
  6626  		v.AddArg(ptr)
  6627  		v.AddArg(mem)
  6628  		return true
  6629  	}
  6630  	// match: (ANDW <t> g:(MOVWZload [off] {sym} ptr mem) x)
  6631  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6632  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6633  	for {
  6634  		t := v.Type
  6635  		g := v.Args[0]
  6636  		if g.Op != OpS390XMOVWZload {
  6637  			break
  6638  		}
  6639  		off := g.AuxInt
  6640  		sym := g.Aux
  6641  		ptr := g.Args[0]
  6642  		mem := g.Args[1]
  6643  		x := v.Args[1]
  6644  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6645  			break
  6646  		}
  6647  		v.reset(OpS390XANDWload)
  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  	return false
  6657  }
  6658  func rewriteValueS390X_OpS390XANDWconst(v *Value, config *Config) bool {
  6659  	b := v.Block
  6660  	_ = b
  6661  	// match: (ANDWconst [c] (ANDWconst [d] x))
  6662  	// cond:
  6663  	// result: (ANDWconst [c & d] x)
  6664  	for {
  6665  		c := v.AuxInt
  6666  		v_0 := v.Args[0]
  6667  		if v_0.Op != OpS390XANDWconst {
  6668  			break
  6669  		}
  6670  		d := v_0.AuxInt
  6671  		x := v_0.Args[0]
  6672  		v.reset(OpS390XANDWconst)
  6673  		v.AuxInt = c & d
  6674  		v.AddArg(x)
  6675  		return true
  6676  	}
  6677  	// match: (ANDWconst [0xFF] x)
  6678  	// cond:
  6679  	// result: (MOVBZreg x)
  6680  	for {
  6681  		if v.AuxInt != 0xFF {
  6682  			break
  6683  		}
  6684  		x := v.Args[0]
  6685  		v.reset(OpS390XMOVBZreg)
  6686  		v.AddArg(x)
  6687  		return true
  6688  	}
  6689  	// match: (ANDWconst [0xFFFF] x)
  6690  	// cond:
  6691  	// result: (MOVHZreg x)
  6692  	for {
  6693  		if v.AuxInt != 0xFFFF {
  6694  			break
  6695  		}
  6696  		x := v.Args[0]
  6697  		v.reset(OpS390XMOVHZreg)
  6698  		v.AddArg(x)
  6699  		return true
  6700  	}
  6701  	// match: (ANDWconst [c] _)
  6702  	// cond: int32(c)==0
  6703  	// result: (MOVDconst [0])
  6704  	for {
  6705  		c := v.AuxInt
  6706  		if !(int32(c) == 0) {
  6707  			break
  6708  		}
  6709  		v.reset(OpS390XMOVDconst)
  6710  		v.AuxInt = 0
  6711  		return true
  6712  	}
  6713  	// match: (ANDWconst [c] x)
  6714  	// cond: int32(c)==-1
  6715  	// result: x
  6716  	for {
  6717  		c := v.AuxInt
  6718  		x := v.Args[0]
  6719  		if !(int32(c) == -1) {
  6720  			break
  6721  		}
  6722  		v.reset(OpCopy)
  6723  		v.Type = x.Type
  6724  		v.AddArg(x)
  6725  		return true
  6726  	}
  6727  	// match: (ANDWconst [c] (MOVDconst [d]))
  6728  	// cond:
  6729  	// result: (MOVDconst [c&d])
  6730  	for {
  6731  		c := v.AuxInt
  6732  		v_0 := v.Args[0]
  6733  		if v_0.Op != OpS390XMOVDconst {
  6734  			break
  6735  		}
  6736  		d := v_0.AuxInt
  6737  		v.reset(OpS390XMOVDconst)
  6738  		v.AuxInt = c & d
  6739  		return true
  6740  	}
  6741  	return false
  6742  }
  6743  func rewriteValueS390X_OpS390XANDconst(v *Value, config *Config) bool {
  6744  	b := v.Block
  6745  	_ = b
  6746  	// match: (ANDconst [c] (ANDconst [d] x))
  6747  	// cond:
  6748  	// result: (ANDconst [c & d] x)
  6749  	for {
  6750  		c := v.AuxInt
  6751  		v_0 := v.Args[0]
  6752  		if v_0.Op != OpS390XANDconst {
  6753  			break
  6754  		}
  6755  		d := v_0.AuxInt
  6756  		x := v_0.Args[0]
  6757  		v.reset(OpS390XANDconst)
  6758  		v.AuxInt = c & d
  6759  		v.AddArg(x)
  6760  		return true
  6761  	}
  6762  	// match: (ANDconst [0] _)
  6763  	// cond:
  6764  	// result: (MOVDconst [0])
  6765  	for {
  6766  		if v.AuxInt != 0 {
  6767  			break
  6768  		}
  6769  		v.reset(OpS390XMOVDconst)
  6770  		v.AuxInt = 0
  6771  		return true
  6772  	}
  6773  	// match: (ANDconst [-1] x)
  6774  	// cond:
  6775  	// result: x
  6776  	for {
  6777  		if v.AuxInt != -1 {
  6778  			break
  6779  		}
  6780  		x := v.Args[0]
  6781  		v.reset(OpCopy)
  6782  		v.Type = x.Type
  6783  		v.AddArg(x)
  6784  		return true
  6785  	}
  6786  	// match: (ANDconst [c] (MOVDconst [d]))
  6787  	// cond:
  6788  	// result: (MOVDconst [c&d])
  6789  	for {
  6790  		c := v.AuxInt
  6791  		v_0 := v.Args[0]
  6792  		if v_0.Op != OpS390XMOVDconst {
  6793  			break
  6794  		}
  6795  		d := v_0.AuxInt
  6796  		v.reset(OpS390XMOVDconst)
  6797  		v.AuxInt = c & d
  6798  		return true
  6799  	}
  6800  	return false
  6801  }
  6802  func rewriteValueS390X_OpS390XCMP(v *Value, config *Config) bool {
  6803  	b := v.Block
  6804  	_ = b
  6805  	// match: (CMP x (MOVDconst [c]))
  6806  	// cond: is32Bit(c)
  6807  	// result: (CMPconst x [c])
  6808  	for {
  6809  		x := v.Args[0]
  6810  		v_1 := v.Args[1]
  6811  		if v_1.Op != OpS390XMOVDconst {
  6812  			break
  6813  		}
  6814  		c := v_1.AuxInt
  6815  		if !(is32Bit(c)) {
  6816  			break
  6817  		}
  6818  		v.reset(OpS390XCMPconst)
  6819  		v.AuxInt = c
  6820  		v.AddArg(x)
  6821  		return true
  6822  	}
  6823  	// match: (CMP (MOVDconst [c]) x)
  6824  	// cond: is32Bit(c)
  6825  	// result: (InvertFlags (CMPconst x [c]))
  6826  	for {
  6827  		v_0 := v.Args[0]
  6828  		if v_0.Op != OpS390XMOVDconst {
  6829  			break
  6830  		}
  6831  		c := v_0.AuxInt
  6832  		x := v.Args[1]
  6833  		if !(is32Bit(c)) {
  6834  			break
  6835  		}
  6836  		v.reset(OpS390XInvertFlags)
  6837  		v0 := b.NewValue0(v.Pos, OpS390XCMPconst, TypeFlags)
  6838  		v0.AuxInt = c
  6839  		v0.AddArg(x)
  6840  		v.AddArg(v0)
  6841  		return true
  6842  	}
  6843  	return false
  6844  }
  6845  func rewriteValueS390X_OpS390XCMPU(v *Value, config *Config) bool {
  6846  	b := v.Block
  6847  	_ = b
  6848  	// match: (CMPU x (MOVDconst [c]))
  6849  	// cond: is32Bit(c)
  6850  	// result: (CMPUconst x [int64(uint32(c))])
  6851  	for {
  6852  		x := v.Args[0]
  6853  		v_1 := v.Args[1]
  6854  		if v_1.Op != OpS390XMOVDconst {
  6855  			break
  6856  		}
  6857  		c := v_1.AuxInt
  6858  		if !(is32Bit(c)) {
  6859  			break
  6860  		}
  6861  		v.reset(OpS390XCMPUconst)
  6862  		v.AuxInt = int64(uint32(c))
  6863  		v.AddArg(x)
  6864  		return true
  6865  	}
  6866  	// match: (CMPU (MOVDconst [c]) x)
  6867  	// cond: is32Bit(c)
  6868  	// result: (InvertFlags (CMPUconst x [int64(uint32(c))]))
  6869  	for {
  6870  		v_0 := v.Args[0]
  6871  		if v_0.Op != OpS390XMOVDconst {
  6872  			break
  6873  		}
  6874  		c := v_0.AuxInt
  6875  		x := v.Args[1]
  6876  		if !(is32Bit(c)) {
  6877  			break
  6878  		}
  6879  		v.reset(OpS390XInvertFlags)
  6880  		v0 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  6881  		v0.AuxInt = int64(uint32(c))
  6882  		v0.AddArg(x)
  6883  		v.AddArg(v0)
  6884  		return true
  6885  	}
  6886  	return false
  6887  }
  6888  func rewriteValueS390X_OpS390XCMPUconst(v *Value, config *Config) bool {
  6889  	b := v.Block
  6890  	_ = b
  6891  	// match: (CMPUconst (MOVDconst [x]) [y])
  6892  	// cond: uint64(x)==uint64(y)
  6893  	// result: (FlagEQ)
  6894  	for {
  6895  		y := v.AuxInt
  6896  		v_0 := v.Args[0]
  6897  		if v_0.Op != OpS390XMOVDconst {
  6898  			break
  6899  		}
  6900  		x := v_0.AuxInt
  6901  		if !(uint64(x) == uint64(y)) {
  6902  			break
  6903  		}
  6904  		v.reset(OpS390XFlagEQ)
  6905  		return true
  6906  	}
  6907  	// match: (CMPUconst (MOVDconst [x]) [y])
  6908  	// cond: uint64(x)<uint64(y)
  6909  	// result: (FlagLT)
  6910  	for {
  6911  		y := v.AuxInt
  6912  		v_0 := v.Args[0]
  6913  		if v_0.Op != OpS390XMOVDconst {
  6914  			break
  6915  		}
  6916  		x := v_0.AuxInt
  6917  		if !(uint64(x) < uint64(y)) {
  6918  			break
  6919  		}
  6920  		v.reset(OpS390XFlagLT)
  6921  		return true
  6922  	}
  6923  	// match: (CMPUconst (MOVDconst [x]) [y])
  6924  	// cond: uint64(x)>uint64(y)
  6925  	// result: (FlagGT)
  6926  	for {
  6927  		y := v.AuxInt
  6928  		v_0 := v.Args[0]
  6929  		if v_0.Op != OpS390XMOVDconst {
  6930  			break
  6931  		}
  6932  		x := v_0.AuxInt
  6933  		if !(uint64(x) > uint64(y)) {
  6934  			break
  6935  		}
  6936  		v.reset(OpS390XFlagGT)
  6937  		return true
  6938  	}
  6939  	return false
  6940  }
  6941  func rewriteValueS390X_OpS390XCMPW(v *Value, config *Config) bool {
  6942  	b := v.Block
  6943  	_ = b
  6944  	// match: (CMPW x (MOVDconst [c]))
  6945  	// cond:
  6946  	// result: (CMPWconst x [c])
  6947  	for {
  6948  		x := v.Args[0]
  6949  		v_1 := v.Args[1]
  6950  		if v_1.Op != OpS390XMOVDconst {
  6951  			break
  6952  		}
  6953  		c := v_1.AuxInt
  6954  		v.reset(OpS390XCMPWconst)
  6955  		v.AuxInt = c
  6956  		v.AddArg(x)
  6957  		return true
  6958  	}
  6959  	// match: (CMPW (MOVDconst [c]) x)
  6960  	// cond:
  6961  	// result: (InvertFlags (CMPWconst x [c]))
  6962  	for {
  6963  		v_0 := v.Args[0]
  6964  		if v_0.Op != OpS390XMOVDconst {
  6965  			break
  6966  		}
  6967  		c := v_0.AuxInt
  6968  		x := v.Args[1]
  6969  		v.reset(OpS390XInvertFlags)
  6970  		v0 := b.NewValue0(v.Pos, OpS390XCMPWconst, TypeFlags)
  6971  		v0.AuxInt = c
  6972  		v0.AddArg(x)
  6973  		v.AddArg(v0)
  6974  		return true
  6975  	}
  6976  	return false
  6977  }
  6978  func rewriteValueS390X_OpS390XCMPWU(v *Value, config *Config) bool {
  6979  	b := v.Block
  6980  	_ = b
  6981  	// match: (CMPWU x (MOVDconst [c]))
  6982  	// cond:
  6983  	// result: (CMPWUconst x [int64(uint32(c))])
  6984  	for {
  6985  		x := v.Args[0]
  6986  		v_1 := v.Args[1]
  6987  		if v_1.Op != OpS390XMOVDconst {
  6988  			break
  6989  		}
  6990  		c := v_1.AuxInt
  6991  		v.reset(OpS390XCMPWUconst)
  6992  		v.AuxInt = int64(uint32(c))
  6993  		v.AddArg(x)
  6994  		return true
  6995  	}
  6996  	// match: (CMPWU (MOVDconst [c]) x)
  6997  	// cond:
  6998  	// result: (InvertFlags (CMPWUconst x [int64(uint32(c))]))
  6999  	for {
  7000  		v_0 := v.Args[0]
  7001  		if v_0.Op != OpS390XMOVDconst {
  7002  			break
  7003  		}
  7004  		c := v_0.AuxInt
  7005  		x := v.Args[1]
  7006  		v.reset(OpS390XInvertFlags)
  7007  		v0 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  7008  		v0.AuxInt = int64(uint32(c))
  7009  		v0.AddArg(x)
  7010  		v.AddArg(v0)
  7011  		return true
  7012  	}
  7013  	return false
  7014  }
  7015  func rewriteValueS390X_OpS390XCMPWUconst(v *Value, config *Config) bool {
  7016  	b := v.Block
  7017  	_ = b
  7018  	// match: (CMPWUconst (MOVDconst [x]) [y])
  7019  	// cond: uint32(x)==uint32(y)
  7020  	// result: (FlagEQ)
  7021  	for {
  7022  		y := v.AuxInt
  7023  		v_0 := v.Args[0]
  7024  		if v_0.Op != OpS390XMOVDconst {
  7025  			break
  7026  		}
  7027  		x := v_0.AuxInt
  7028  		if !(uint32(x) == uint32(y)) {
  7029  			break
  7030  		}
  7031  		v.reset(OpS390XFlagEQ)
  7032  		return true
  7033  	}
  7034  	// match: (CMPWUconst (MOVDconst [x]) [y])
  7035  	// cond: uint32(x)<uint32(y)
  7036  	// result: (FlagLT)
  7037  	for {
  7038  		y := v.AuxInt
  7039  		v_0 := v.Args[0]
  7040  		if v_0.Op != OpS390XMOVDconst {
  7041  			break
  7042  		}
  7043  		x := v_0.AuxInt
  7044  		if !(uint32(x) < uint32(y)) {
  7045  			break
  7046  		}
  7047  		v.reset(OpS390XFlagLT)
  7048  		return true
  7049  	}
  7050  	// match: (CMPWUconst (MOVDconst [x]) [y])
  7051  	// cond: uint32(x)>uint32(y)
  7052  	// result: (FlagGT)
  7053  	for {
  7054  		y := v.AuxInt
  7055  		v_0 := v.Args[0]
  7056  		if v_0.Op != OpS390XMOVDconst {
  7057  			break
  7058  		}
  7059  		x := v_0.AuxInt
  7060  		if !(uint32(x) > uint32(y)) {
  7061  			break
  7062  		}
  7063  		v.reset(OpS390XFlagGT)
  7064  		return true
  7065  	}
  7066  	return false
  7067  }
  7068  func rewriteValueS390X_OpS390XCMPWconst(v *Value, config *Config) bool {
  7069  	b := v.Block
  7070  	_ = b
  7071  	// match: (CMPWconst (MOVDconst [x]) [y])
  7072  	// cond: int32(x)==int32(y)
  7073  	// result: (FlagEQ)
  7074  	for {
  7075  		y := v.AuxInt
  7076  		v_0 := v.Args[0]
  7077  		if v_0.Op != OpS390XMOVDconst {
  7078  			break
  7079  		}
  7080  		x := v_0.AuxInt
  7081  		if !(int32(x) == int32(y)) {
  7082  			break
  7083  		}
  7084  		v.reset(OpS390XFlagEQ)
  7085  		return true
  7086  	}
  7087  	// match: (CMPWconst (MOVDconst [x]) [y])
  7088  	// cond: int32(x)<int32(y)
  7089  	// result: (FlagLT)
  7090  	for {
  7091  		y := v.AuxInt
  7092  		v_0 := v.Args[0]
  7093  		if v_0.Op != OpS390XMOVDconst {
  7094  			break
  7095  		}
  7096  		x := v_0.AuxInt
  7097  		if !(int32(x) < int32(y)) {
  7098  			break
  7099  		}
  7100  		v.reset(OpS390XFlagLT)
  7101  		return true
  7102  	}
  7103  	// match: (CMPWconst (MOVDconst [x]) [y])
  7104  	// cond: int32(x)>int32(y)
  7105  	// result: (FlagGT)
  7106  	for {
  7107  		y := v.AuxInt
  7108  		v_0 := v.Args[0]
  7109  		if v_0.Op != OpS390XMOVDconst {
  7110  			break
  7111  		}
  7112  		x := v_0.AuxInt
  7113  		if !(int32(x) > int32(y)) {
  7114  			break
  7115  		}
  7116  		v.reset(OpS390XFlagGT)
  7117  		return true
  7118  	}
  7119  	// match: (CMPWconst (SRWconst _ [c]) [n])
  7120  	// cond: 0 <= n && 0 < c && c <= 32 && (1<<uint64(32-c)) <= uint64(n)
  7121  	// result: (FlagLT)
  7122  	for {
  7123  		n := v.AuxInt
  7124  		v_0 := v.Args[0]
  7125  		if v_0.Op != OpS390XSRWconst {
  7126  			break
  7127  		}
  7128  		c := v_0.AuxInt
  7129  		if !(0 <= n && 0 < c && c <= 32 && (1<<uint64(32-c)) <= uint64(n)) {
  7130  			break
  7131  		}
  7132  		v.reset(OpS390XFlagLT)
  7133  		return true
  7134  	}
  7135  	// match: (CMPWconst (ANDWconst _ [m]) [n])
  7136  	// cond: 0 <= int32(m) && int32(m) < int32(n)
  7137  	// result: (FlagLT)
  7138  	for {
  7139  		n := v.AuxInt
  7140  		v_0 := v.Args[0]
  7141  		if v_0.Op != OpS390XANDWconst {
  7142  			break
  7143  		}
  7144  		m := v_0.AuxInt
  7145  		if !(0 <= int32(m) && int32(m) < int32(n)) {
  7146  			break
  7147  		}
  7148  		v.reset(OpS390XFlagLT)
  7149  		return true
  7150  	}
  7151  	return false
  7152  }
  7153  func rewriteValueS390X_OpS390XCMPconst(v *Value, config *Config) bool {
  7154  	b := v.Block
  7155  	_ = b
  7156  	// match: (CMPconst (MOVDconst [x]) [y])
  7157  	// cond: x==y
  7158  	// result: (FlagEQ)
  7159  	for {
  7160  		y := v.AuxInt
  7161  		v_0 := v.Args[0]
  7162  		if v_0.Op != OpS390XMOVDconst {
  7163  			break
  7164  		}
  7165  		x := v_0.AuxInt
  7166  		if !(x == y) {
  7167  			break
  7168  		}
  7169  		v.reset(OpS390XFlagEQ)
  7170  		return true
  7171  	}
  7172  	// match: (CMPconst (MOVDconst [x]) [y])
  7173  	// cond: x<y
  7174  	// result: (FlagLT)
  7175  	for {
  7176  		y := v.AuxInt
  7177  		v_0 := v.Args[0]
  7178  		if v_0.Op != OpS390XMOVDconst {
  7179  			break
  7180  		}
  7181  		x := v_0.AuxInt
  7182  		if !(x < y) {
  7183  			break
  7184  		}
  7185  		v.reset(OpS390XFlagLT)
  7186  		return true
  7187  	}
  7188  	// match: (CMPconst (MOVDconst [x]) [y])
  7189  	// cond: x>y
  7190  	// result: (FlagGT)
  7191  	for {
  7192  		y := v.AuxInt
  7193  		v_0 := v.Args[0]
  7194  		if v_0.Op != OpS390XMOVDconst {
  7195  			break
  7196  		}
  7197  		x := v_0.AuxInt
  7198  		if !(x > y) {
  7199  			break
  7200  		}
  7201  		v.reset(OpS390XFlagGT)
  7202  		return true
  7203  	}
  7204  	// match: (CMPconst (MOVBZreg _) [c])
  7205  	// cond: 0xFF < c
  7206  	// result: (FlagLT)
  7207  	for {
  7208  		c := v.AuxInt
  7209  		v_0 := v.Args[0]
  7210  		if v_0.Op != OpS390XMOVBZreg {
  7211  			break
  7212  		}
  7213  		if !(0xFF < c) {
  7214  			break
  7215  		}
  7216  		v.reset(OpS390XFlagLT)
  7217  		return true
  7218  	}
  7219  	// match: (CMPconst (MOVHZreg _) [c])
  7220  	// cond: 0xFFFF < c
  7221  	// result: (FlagLT)
  7222  	for {
  7223  		c := v.AuxInt
  7224  		v_0 := v.Args[0]
  7225  		if v_0.Op != OpS390XMOVHZreg {
  7226  			break
  7227  		}
  7228  		if !(0xFFFF < c) {
  7229  			break
  7230  		}
  7231  		v.reset(OpS390XFlagLT)
  7232  		return true
  7233  	}
  7234  	// match: (CMPconst (MOVWZreg _) [c])
  7235  	// cond: 0xFFFFFFFF < c
  7236  	// result: (FlagLT)
  7237  	for {
  7238  		c := v.AuxInt
  7239  		v_0 := v.Args[0]
  7240  		if v_0.Op != OpS390XMOVWZreg {
  7241  			break
  7242  		}
  7243  		if !(0xFFFFFFFF < c) {
  7244  			break
  7245  		}
  7246  		v.reset(OpS390XFlagLT)
  7247  		return true
  7248  	}
  7249  	// match: (CMPconst (SRDconst _ [c]) [n])
  7250  	// cond: 0 <= n && 0 < c && c <= 64 && (1<<uint64(64-c)) <= uint64(n)
  7251  	// result: (FlagLT)
  7252  	for {
  7253  		n := v.AuxInt
  7254  		v_0 := v.Args[0]
  7255  		if v_0.Op != OpS390XSRDconst {
  7256  			break
  7257  		}
  7258  		c := v_0.AuxInt
  7259  		if !(0 <= n && 0 < c && c <= 64 && (1<<uint64(64-c)) <= uint64(n)) {
  7260  			break
  7261  		}
  7262  		v.reset(OpS390XFlagLT)
  7263  		return true
  7264  	}
  7265  	// match: (CMPconst (ANDconst _ [m]) [n])
  7266  	// cond: 0 <= m && m < n
  7267  	// result: (FlagLT)
  7268  	for {
  7269  		n := v.AuxInt
  7270  		v_0 := v.Args[0]
  7271  		if v_0.Op != OpS390XANDconst {
  7272  			break
  7273  		}
  7274  		m := v_0.AuxInt
  7275  		if !(0 <= m && m < n) {
  7276  			break
  7277  		}
  7278  		v.reset(OpS390XFlagLT)
  7279  		return true
  7280  	}
  7281  	return false
  7282  }
  7283  func rewriteValueS390X_OpS390XFMOVDload(v *Value, config *Config) bool {
  7284  	b := v.Block
  7285  	_ = b
  7286  	// match: (FMOVDload  [off1] {sym} (ADDconst [off2] ptr) mem)
  7287  	// cond: is20Bit(off1+off2)
  7288  	// result: (FMOVDload [off1+off2] {sym} ptr mem)
  7289  	for {
  7290  		off1 := v.AuxInt
  7291  		sym := v.Aux
  7292  		v_0 := v.Args[0]
  7293  		if v_0.Op != OpS390XADDconst {
  7294  			break
  7295  		}
  7296  		off2 := v_0.AuxInt
  7297  		ptr := v_0.Args[0]
  7298  		mem := v.Args[1]
  7299  		if !(is20Bit(off1 + off2)) {
  7300  			break
  7301  		}
  7302  		v.reset(OpS390XFMOVDload)
  7303  		v.AuxInt = off1 + off2
  7304  		v.Aux = sym
  7305  		v.AddArg(ptr)
  7306  		v.AddArg(mem)
  7307  		return true
  7308  	}
  7309  	// match: (FMOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  7310  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7311  	// result: (FMOVDload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  7312  	for {
  7313  		off1 := v.AuxInt
  7314  		sym1 := v.Aux
  7315  		v_0 := v.Args[0]
  7316  		if v_0.Op != OpS390XMOVDaddr {
  7317  			break
  7318  		}
  7319  		off2 := v_0.AuxInt
  7320  		sym2 := v_0.Aux
  7321  		base := v_0.Args[0]
  7322  		mem := v.Args[1]
  7323  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7324  			break
  7325  		}
  7326  		v.reset(OpS390XFMOVDload)
  7327  		v.AuxInt = off1 + off2
  7328  		v.Aux = mergeSym(sym1, sym2)
  7329  		v.AddArg(base)
  7330  		v.AddArg(mem)
  7331  		return true
  7332  	}
  7333  	// match: (FMOVDload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
  7334  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7335  	// result: (FMOVDloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
  7336  	for {
  7337  		off1 := v.AuxInt
  7338  		sym1 := v.Aux
  7339  		v_0 := v.Args[0]
  7340  		if v_0.Op != OpS390XMOVDaddridx {
  7341  			break
  7342  		}
  7343  		off2 := v_0.AuxInt
  7344  		sym2 := v_0.Aux
  7345  		ptr := v_0.Args[0]
  7346  		idx := v_0.Args[1]
  7347  		mem := v.Args[1]
  7348  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7349  			break
  7350  		}
  7351  		v.reset(OpS390XFMOVDloadidx)
  7352  		v.AuxInt = off1 + off2
  7353  		v.Aux = mergeSym(sym1, sym2)
  7354  		v.AddArg(ptr)
  7355  		v.AddArg(idx)
  7356  		v.AddArg(mem)
  7357  		return true
  7358  	}
  7359  	// match: (FMOVDload [off] {sym} (ADD ptr idx) mem)
  7360  	// cond: ptr.Op != OpSB
  7361  	// result: (FMOVDloadidx [off] {sym} ptr idx mem)
  7362  	for {
  7363  		off := v.AuxInt
  7364  		sym := v.Aux
  7365  		v_0 := v.Args[0]
  7366  		if v_0.Op != OpS390XADD {
  7367  			break
  7368  		}
  7369  		ptr := v_0.Args[0]
  7370  		idx := v_0.Args[1]
  7371  		mem := v.Args[1]
  7372  		if !(ptr.Op != OpSB) {
  7373  			break
  7374  		}
  7375  		v.reset(OpS390XFMOVDloadidx)
  7376  		v.AuxInt = off
  7377  		v.Aux = sym
  7378  		v.AddArg(ptr)
  7379  		v.AddArg(idx)
  7380  		v.AddArg(mem)
  7381  		return true
  7382  	}
  7383  	return false
  7384  }
  7385  func rewriteValueS390X_OpS390XFMOVDloadidx(v *Value, config *Config) bool {
  7386  	b := v.Block
  7387  	_ = b
  7388  	// match: (FMOVDloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
  7389  	// cond:
  7390  	// result: (FMOVDloadidx [c+d] {sym} ptr idx mem)
  7391  	for {
  7392  		c := v.AuxInt
  7393  		sym := v.Aux
  7394  		v_0 := v.Args[0]
  7395  		if v_0.Op != OpS390XADDconst {
  7396  			break
  7397  		}
  7398  		d := v_0.AuxInt
  7399  		ptr := v_0.Args[0]
  7400  		idx := v.Args[1]
  7401  		mem := v.Args[2]
  7402  		v.reset(OpS390XFMOVDloadidx)
  7403  		v.AuxInt = c + d
  7404  		v.Aux = sym
  7405  		v.AddArg(ptr)
  7406  		v.AddArg(idx)
  7407  		v.AddArg(mem)
  7408  		return true
  7409  	}
  7410  	// match: (FMOVDloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
  7411  	// cond:
  7412  	// result: (FMOVDloadidx [c+d] {sym} ptr idx mem)
  7413  	for {
  7414  		c := v.AuxInt
  7415  		sym := v.Aux
  7416  		ptr := v.Args[0]
  7417  		v_1 := v.Args[1]
  7418  		if v_1.Op != OpS390XADDconst {
  7419  			break
  7420  		}
  7421  		d := v_1.AuxInt
  7422  		idx := v_1.Args[0]
  7423  		mem := v.Args[2]
  7424  		v.reset(OpS390XFMOVDloadidx)
  7425  		v.AuxInt = c + d
  7426  		v.Aux = sym
  7427  		v.AddArg(ptr)
  7428  		v.AddArg(idx)
  7429  		v.AddArg(mem)
  7430  		return true
  7431  	}
  7432  	return false
  7433  }
  7434  func rewriteValueS390X_OpS390XFMOVDstore(v *Value, config *Config) bool {
  7435  	b := v.Block
  7436  	_ = b
  7437  	// match: (FMOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  7438  	// cond: is20Bit(off1+off2)
  7439  	// result: (FMOVDstore [off1+off2] {sym} ptr val mem)
  7440  	for {
  7441  		off1 := v.AuxInt
  7442  		sym := v.Aux
  7443  		v_0 := v.Args[0]
  7444  		if v_0.Op != OpS390XADDconst {
  7445  			break
  7446  		}
  7447  		off2 := v_0.AuxInt
  7448  		ptr := v_0.Args[0]
  7449  		val := v.Args[1]
  7450  		mem := v.Args[2]
  7451  		if !(is20Bit(off1 + off2)) {
  7452  			break
  7453  		}
  7454  		v.reset(OpS390XFMOVDstore)
  7455  		v.AuxInt = off1 + off2
  7456  		v.Aux = sym
  7457  		v.AddArg(ptr)
  7458  		v.AddArg(val)
  7459  		v.AddArg(mem)
  7460  		return true
  7461  	}
  7462  	// match: (FMOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
  7463  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7464  	// result: (FMOVDstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  7465  	for {
  7466  		off1 := v.AuxInt
  7467  		sym1 := v.Aux
  7468  		v_0 := v.Args[0]
  7469  		if v_0.Op != OpS390XMOVDaddr {
  7470  			break
  7471  		}
  7472  		off2 := v_0.AuxInt
  7473  		sym2 := v_0.Aux
  7474  		base := v_0.Args[0]
  7475  		val := v.Args[1]
  7476  		mem := v.Args[2]
  7477  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7478  			break
  7479  		}
  7480  		v.reset(OpS390XFMOVDstore)
  7481  		v.AuxInt = off1 + off2
  7482  		v.Aux = mergeSym(sym1, sym2)
  7483  		v.AddArg(base)
  7484  		v.AddArg(val)
  7485  		v.AddArg(mem)
  7486  		return true
  7487  	}
  7488  	// match: (FMOVDstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
  7489  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7490  	// result: (FMOVDstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
  7491  	for {
  7492  		off1 := v.AuxInt
  7493  		sym1 := v.Aux
  7494  		v_0 := v.Args[0]
  7495  		if v_0.Op != OpS390XMOVDaddridx {
  7496  			break
  7497  		}
  7498  		off2 := v_0.AuxInt
  7499  		sym2 := v_0.Aux
  7500  		ptr := v_0.Args[0]
  7501  		idx := v_0.Args[1]
  7502  		val := v.Args[1]
  7503  		mem := v.Args[2]
  7504  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7505  			break
  7506  		}
  7507  		v.reset(OpS390XFMOVDstoreidx)
  7508  		v.AuxInt = off1 + off2
  7509  		v.Aux = mergeSym(sym1, sym2)
  7510  		v.AddArg(ptr)
  7511  		v.AddArg(idx)
  7512  		v.AddArg(val)
  7513  		v.AddArg(mem)
  7514  		return true
  7515  	}
  7516  	// match: (FMOVDstore [off] {sym} (ADD ptr idx) val mem)
  7517  	// cond: ptr.Op != OpSB
  7518  	// result: (FMOVDstoreidx [off] {sym} ptr idx val mem)
  7519  	for {
  7520  		off := v.AuxInt
  7521  		sym := v.Aux
  7522  		v_0 := v.Args[0]
  7523  		if v_0.Op != OpS390XADD {
  7524  			break
  7525  		}
  7526  		ptr := v_0.Args[0]
  7527  		idx := v_0.Args[1]
  7528  		val := v.Args[1]
  7529  		mem := v.Args[2]
  7530  		if !(ptr.Op != OpSB) {
  7531  			break
  7532  		}
  7533  		v.reset(OpS390XFMOVDstoreidx)
  7534  		v.AuxInt = off
  7535  		v.Aux = sym
  7536  		v.AddArg(ptr)
  7537  		v.AddArg(idx)
  7538  		v.AddArg(val)
  7539  		v.AddArg(mem)
  7540  		return true
  7541  	}
  7542  	return false
  7543  }
  7544  func rewriteValueS390X_OpS390XFMOVDstoreidx(v *Value, config *Config) bool {
  7545  	b := v.Block
  7546  	_ = b
  7547  	// match: (FMOVDstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
  7548  	// cond:
  7549  	// result: (FMOVDstoreidx [c+d] {sym} ptr idx val mem)
  7550  	for {
  7551  		c := v.AuxInt
  7552  		sym := v.Aux
  7553  		v_0 := v.Args[0]
  7554  		if v_0.Op != OpS390XADDconst {
  7555  			break
  7556  		}
  7557  		d := v_0.AuxInt
  7558  		ptr := v_0.Args[0]
  7559  		idx := v.Args[1]
  7560  		val := v.Args[2]
  7561  		mem := v.Args[3]
  7562  		v.reset(OpS390XFMOVDstoreidx)
  7563  		v.AuxInt = c + d
  7564  		v.Aux = sym
  7565  		v.AddArg(ptr)
  7566  		v.AddArg(idx)
  7567  		v.AddArg(val)
  7568  		v.AddArg(mem)
  7569  		return true
  7570  	}
  7571  	// match: (FMOVDstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
  7572  	// cond:
  7573  	// result: (FMOVDstoreidx [c+d] {sym} ptr idx val mem)
  7574  	for {
  7575  		c := v.AuxInt
  7576  		sym := v.Aux
  7577  		ptr := v.Args[0]
  7578  		v_1 := v.Args[1]
  7579  		if v_1.Op != OpS390XADDconst {
  7580  			break
  7581  		}
  7582  		d := v_1.AuxInt
  7583  		idx := v_1.Args[0]
  7584  		val := v.Args[2]
  7585  		mem := v.Args[3]
  7586  		v.reset(OpS390XFMOVDstoreidx)
  7587  		v.AuxInt = c + d
  7588  		v.Aux = sym
  7589  		v.AddArg(ptr)
  7590  		v.AddArg(idx)
  7591  		v.AddArg(val)
  7592  		v.AddArg(mem)
  7593  		return true
  7594  	}
  7595  	return false
  7596  }
  7597  func rewriteValueS390X_OpS390XFMOVSload(v *Value, config *Config) bool {
  7598  	b := v.Block
  7599  	_ = b
  7600  	// match: (FMOVSload  [off1] {sym} (ADDconst [off2] ptr) mem)
  7601  	// cond: is20Bit(off1+off2)
  7602  	// result: (FMOVSload [off1+off2] {sym} ptr mem)
  7603  	for {
  7604  		off1 := v.AuxInt
  7605  		sym := v.Aux
  7606  		v_0 := v.Args[0]
  7607  		if v_0.Op != OpS390XADDconst {
  7608  			break
  7609  		}
  7610  		off2 := v_0.AuxInt
  7611  		ptr := v_0.Args[0]
  7612  		mem := v.Args[1]
  7613  		if !(is20Bit(off1 + off2)) {
  7614  			break
  7615  		}
  7616  		v.reset(OpS390XFMOVSload)
  7617  		v.AuxInt = off1 + off2
  7618  		v.Aux = sym
  7619  		v.AddArg(ptr)
  7620  		v.AddArg(mem)
  7621  		return true
  7622  	}
  7623  	// match: (FMOVSload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  7624  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7625  	// result: (FMOVSload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  7626  	for {
  7627  		off1 := v.AuxInt
  7628  		sym1 := v.Aux
  7629  		v_0 := v.Args[0]
  7630  		if v_0.Op != OpS390XMOVDaddr {
  7631  			break
  7632  		}
  7633  		off2 := v_0.AuxInt
  7634  		sym2 := v_0.Aux
  7635  		base := v_0.Args[0]
  7636  		mem := v.Args[1]
  7637  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7638  			break
  7639  		}
  7640  		v.reset(OpS390XFMOVSload)
  7641  		v.AuxInt = off1 + off2
  7642  		v.Aux = mergeSym(sym1, sym2)
  7643  		v.AddArg(base)
  7644  		v.AddArg(mem)
  7645  		return true
  7646  	}
  7647  	// match: (FMOVSload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
  7648  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7649  	// result: (FMOVSloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
  7650  	for {
  7651  		off1 := v.AuxInt
  7652  		sym1 := v.Aux
  7653  		v_0 := v.Args[0]
  7654  		if v_0.Op != OpS390XMOVDaddridx {
  7655  			break
  7656  		}
  7657  		off2 := v_0.AuxInt
  7658  		sym2 := v_0.Aux
  7659  		ptr := v_0.Args[0]
  7660  		idx := v_0.Args[1]
  7661  		mem := v.Args[1]
  7662  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7663  			break
  7664  		}
  7665  		v.reset(OpS390XFMOVSloadidx)
  7666  		v.AuxInt = off1 + off2
  7667  		v.Aux = mergeSym(sym1, sym2)
  7668  		v.AddArg(ptr)
  7669  		v.AddArg(idx)
  7670  		v.AddArg(mem)
  7671  		return true
  7672  	}
  7673  	// match: (FMOVSload [off] {sym} (ADD ptr idx) mem)
  7674  	// cond: ptr.Op != OpSB
  7675  	// result: (FMOVSloadidx [off] {sym} ptr idx mem)
  7676  	for {
  7677  		off := v.AuxInt
  7678  		sym := v.Aux
  7679  		v_0 := v.Args[0]
  7680  		if v_0.Op != OpS390XADD {
  7681  			break
  7682  		}
  7683  		ptr := v_0.Args[0]
  7684  		idx := v_0.Args[1]
  7685  		mem := v.Args[1]
  7686  		if !(ptr.Op != OpSB) {
  7687  			break
  7688  		}
  7689  		v.reset(OpS390XFMOVSloadidx)
  7690  		v.AuxInt = off
  7691  		v.Aux = sym
  7692  		v.AddArg(ptr)
  7693  		v.AddArg(idx)
  7694  		v.AddArg(mem)
  7695  		return true
  7696  	}
  7697  	return false
  7698  }
  7699  func rewriteValueS390X_OpS390XFMOVSloadidx(v *Value, config *Config) bool {
  7700  	b := v.Block
  7701  	_ = b
  7702  	// match: (FMOVSloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
  7703  	// cond:
  7704  	// result: (FMOVSloadidx [c+d] {sym} ptr idx mem)
  7705  	for {
  7706  		c := v.AuxInt
  7707  		sym := v.Aux
  7708  		v_0 := v.Args[0]
  7709  		if v_0.Op != OpS390XADDconst {
  7710  			break
  7711  		}
  7712  		d := v_0.AuxInt
  7713  		ptr := v_0.Args[0]
  7714  		idx := v.Args[1]
  7715  		mem := v.Args[2]
  7716  		v.reset(OpS390XFMOVSloadidx)
  7717  		v.AuxInt = c + d
  7718  		v.Aux = sym
  7719  		v.AddArg(ptr)
  7720  		v.AddArg(idx)
  7721  		v.AddArg(mem)
  7722  		return true
  7723  	}
  7724  	// match: (FMOVSloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
  7725  	// cond:
  7726  	// result: (FMOVSloadidx [c+d] {sym} ptr idx mem)
  7727  	for {
  7728  		c := v.AuxInt
  7729  		sym := v.Aux
  7730  		ptr := v.Args[0]
  7731  		v_1 := v.Args[1]
  7732  		if v_1.Op != OpS390XADDconst {
  7733  			break
  7734  		}
  7735  		d := v_1.AuxInt
  7736  		idx := v_1.Args[0]
  7737  		mem := v.Args[2]
  7738  		v.reset(OpS390XFMOVSloadidx)
  7739  		v.AuxInt = c + d
  7740  		v.Aux = sym
  7741  		v.AddArg(ptr)
  7742  		v.AddArg(idx)
  7743  		v.AddArg(mem)
  7744  		return true
  7745  	}
  7746  	return false
  7747  }
  7748  func rewriteValueS390X_OpS390XFMOVSstore(v *Value, config *Config) bool {
  7749  	b := v.Block
  7750  	_ = b
  7751  	// match: (FMOVSstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  7752  	// cond: is20Bit(off1+off2)
  7753  	// result: (FMOVSstore [off1+off2] {sym} ptr val mem)
  7754  	for {
  7755  		off1 := v.AuxInt
  7756  		sym := v.Aux
  7757  		v_0 := v.Args[0]
  7758  		if v_0.Op != OpS390XADDconst {
  7759  			break
  7760  		}
  7761  		off2 := v_0.AuxInt
  7762  		ptr := v_0.Args[0]
  7763  		val := v.Args[1]
  7764  		mem := v.Args[2]
  7765  		if !(is20Bit(off1 + off2)) {
  7766  			break
  7767  		}
  7768  		v.reset(OpS390XFMOVSstore)
  7769  		v.AuxInt = off1 + off2
  7770  		v.Aux = sym
  7771  		v.AddArg(ptr)
  7772  		v.AddArg(val)
  7773  		v.AddArg(mem)
  7774  		return true
  7775  	}
  7776  	// match: (FMOVSstore [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
  7777  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7778  	// result: (FMOVSstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  7779  	for {
  7780  		off1 := v.AuxInt
  7781  		sym1 := v.Aux
  7782  		v_0 := v.Args[0]
  7783  		if v_0.Op != OpS390XMOVDaddr {
  7784  			break
  7785  		}
  7786  		off2 := v_0.AuxInt
  7787  		sym2 := v_0.Aux
  7788  		base := v_0.Args[0]
  7789  		val := v.Args[1]
  7790  		mem := v.Args[2]
  7791  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7792  			break
  7793  		}
  7794  		v.reset(OpS390XFMOVSstore)
  7795  		v.AuxInt = off1 + off2
  7796  		v.Aux = mergeSym(sym1, sym2)
  7797  		v.AddArg(base)
  7798  		v.AddArg(val)
  7799  		v.AddArg(mem)
  7800  		return true
  7801  	}
  7802  	// match: (FMOVSstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
  7803  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7804  	// result: (FMOVSstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
  7805  	for {
  7806  		off1 := v.AuxInt
  7807  		sym1 := v.Aux
  7808  		v_0 := v.Args[0]
  7809  		if v_0.Op != OpS390XMOVDaddridx {
  7810  			break
  7811  		}
  7812  		off2 := v_0.AuxInt
  7813  		sym2 := v_0.Aux
  7814  		ptr := v_0.Args[0]
  7815  		idx := v_0.Args[1]
  7816  		val := v.Args[1]
  7817  		mem := v.Args[2]
  7818  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7819  			break
  7820  		}
  7821  		v.reset(OpS390XFMOVSstoreidx)
  7822  		v.AuxInt = off1 + off2
  7823  		v.Aux = mergeSym(sym1, sym2)
  7824  		v.AddArg(ptr)
  7825  		v.AddArg(idx)
  7826  		v.AddArg(val)
  7827  		v.AddArg(mem)
  7828  		return true
  7829  	}
  7830  	// match: (FMOVSstore [off] {sym} (ADD ptr idx) val mem)
  7831  	// cond: ptr.Op != OpSB
  7832  	// result: (FMOVSstoreidx [off] {sym} ptr idx val mem)
  7833  	for {
  7834  		off := v.AuxInt
  7835  		sym := v.Aux
  7836  		v_0 := v.Args[0]
  7837  		if v_0.Op != OpS390XADD {
  7838  			break
  7839  		}
  7840  		ptr := v_0.Args[0]
  7841  		idx := v_0.Args[1]
  7842  		val := v.Args[1]
  7843  		mem := v.Args[2]
  7844  		if !(ptr.Op != OpSB) {
  7845  			break
  7846  		}
  7847  		v.reset(OpS390XFMOVSstoreidx)
  7848  		v.AuxInt = off
  7849  		v.Aux = sym
  7850  		v.AddArg(ptr)
  7851  		v.AddArg(idx)
  7852  		v.AddArg(val)
  7853  		v.AddArg(mem)
  7854  		return true
  7855  	}
  7856  	return false
  7857  }
  7858  func rewriteValueS390X_OpS390XFMOVSstoreidx(v *Value, config *Config) bool {
  7859  	b := v.Block
  7860  	_ = b
  7861  	// match: (FMOVSstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
  7862  	// cond:
  7863  	// result: (FMOVSstoreidx [c+d] {sym} ptr idx val mem)
  7864  	for {
  7865  		c := v.AuxInt
  7866  		sym := v.Aux
  7867  		v_0 := v.Args[0]
  7868  		if v_0.Op != OpS390XADDconst {
  7869  			break
  7870  		}
  7871  		d := v_0.AuxInt
  7872  		ptr := v_0.Args[0]
  7873  		idx := v.Args[1]
  7874  		val := v.Args[2]
  7875  		mem := v.Args[3]
  7876  		v.reset(OpS390XFMOVSstoreidx)
  7877  		v.AuxInt = c + d
  7878  		v.Aux = sym
  7879  		v.AddArg(ptr)
  7880  		v.AddArg(idx)
  7881  		v.AddArg(val)
  7882  		v.AddArg(mem)
  7883  		return true
  7884  	}
  7885  	// match: (FMOVSstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
  7886  	// cond:
  7887  	// result: (FMOVSstoreidx [c+d] {sym} ptr idx val mem)
  7888  	for {
  7889  		c := v.AuxInt
  7890  		sym := v.Aux
  7891  		ptr := v.Args[0]
  7892  		v_1 := v.Args[1]
  7893  		if v_1.Op != OpS390XADDconst {
  7894  			break
  7895  		}
  7896  		d := v_1.AuxInt
  7897  		idx := v_1.Args[0]
  7898  		val := v.Args[2]
  7899  		mem := v.Args[3]
  7900  		v.reset(OpS390XFMOVSstoreidx)
  7901  		v.AuxInt = c + d
  7902  		v.Aux = sym
  7903  		v.AddArg(ptr)
  7904  		v.AddArg(idx)
  7905  		v.AddArg(val)
  7906  		v.AddArg(mem)
  7907  		return true
  7908  	}
  7909  	return false
  7910  }
  7911  func rewriteValueS390X_OpS390XMOVBZload(v *Value, config *Config) bool {
  7912  	b := v.Block
  7913  	_ = b
  7914  	// match: (MOVBZload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _))
  7915  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  7916  	// result: (MOVDreg x)
  7917  	for {
  7918  		off := v.AuxInt
  7919  		sym := v.Aux
  7920  		ptr := v.Args[0]
  7921  		v_1 := v.Args[1]
  7922  		if v_1.Op != OpS390XMOVBstore {
  7923  			break
  7924  		}
  7925  		off2 := v_1.AuxInt
  7926  		sym2 := v_1.Aux
  7927  		ptr2 := v_1.Args[0]
  7928  		x := v_1.Args[1]
  7929  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  7930  			break
  7931  		}
  7932  		v.reset(OpS390XMOVDreg)
  7933  		v.AddArg(x)
  7934  		return true
  7935  	}
  7936  	// match: (MOVBZload  [off1] {sym} (ADDconst [off2] ptr) mem)
  7937  	// cond: is20Bit(off1+off2)
  7938  	// result: (MOVBZload [off1+off2] {sym} ptr mem)
  7939  	for {
  7940  		off1 := v.AuxInt
  7941  		sym := v.Aux
  7942  		v_0 := v.Args[0]
  7943  		if v_0.Op != OpS390XADDconst {
  7944  			break
  7945  		}
  7946  		off2 := v_0.AuxInt
  7947  		ptr := v_0.Args[0]
  7948  		mem := v.Args[1]
  7949  		if !(is20Bit(off1 + off2)) {
  7950  			break
  7951  		}
  7952  		v.reset(OpS390XMOVBZload)
  7953  		v.AuxInt = off1 + off2
  7954  		v.Aux = sym
  7955  		v.AddArg(ptr)
  7956  		v.AddArg(mem)
  7957  		return true
  7958  	}
  7959  	// match: (MOVBZload  [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  7960  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7961  	// result: (MOVBZload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
  7962  	for {
  7963  		off1 := v.AuxInt
  7964  		sym1 := v.Aux
  7965  		v_0 := v.Args[0]
  7966  		if v_0.Op != OpS390XMOVDaddr {
  7967  			break
  7968  		}
  7969  		off2 := v_0.AuxInt
  7970  		sym2 := v_0.Aux
  7971  		base := v_0.Args[0]
  7972  		mem := v.Args[1]
  7973  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7974  			break
  7975  		}
  7976  		v.reset(OpS390XMOVBZload)
  7977  		v.AuxInt = off1 + off2
  7978  		v.Aux = mergeSym(sym1, sym2)
  7979  		v.AddArg(base)
  7980  		v.AddArg(mem)
  7981  		return true
  7982  	}
  7983  	// match: (MOVBZload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
  7984  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7985  	// result: (MOVBZloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
  7986  	for {
  7987  		off1 := v.AuxInt
  7988  		sym1 := v.Aux
  7989  		v_0 := v.Args[0]
  7990  		if v_0.Op != OpS390XMOVDaddridx {
  7991  			break
  7992  		}
  7993  		off2 := v_0.AuxInt
  7994  		sym2 := v_0.Aux
  7995  		ptr := v_0.Args[0]
  7996  		idx := v_0.Args[1]
  7997  		mem := v.Args[1]
  7998  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7999  			break
  8000  		}
  8001  		v.reset(OpS390XMOVBZloadidx)
  8002  		v.AuxInt = off1 + off2
  8003  		v.Aux = mergeSym(sym1, sym2)
  8004  		v.AddArg(ptr)
  8005  		v.AddArg(idx)
  8006  		v.AddArg(mem)
  8007  		return true
  8008  	}
  8009  	// match: (MOVBZload [off] {sym} (ADD ptr idx) mem)
  8010  	// cond: ptr.Op != OpSB
  8011  	// result: (MOVBZloadidx [off] {sym} ptr idx mem)
  8012  	for {
  8013  		off := v.AuxInt
  8014  		sym := v.Aux
  8015  		v_0 := v.Args[0]
  8016  		if v_0.Op != OpS390XADD {
  8017  			break
  8018  		}
  8019  		ptr := v_0.Args[0]
  8020  		idx := v_0.Args[1]
  8021  		mem := v.Args[1]
  8022  		if !(ptr.Op != OpSB) {
  8023  			break
  8024  		}
  8025  		v.reset(OpS390XMOVBZloadidx)
  8026  		v.AuxInt = off
  8027  		v.Aux = sym
  8028  		v.AddArg(ptr)
  8029  		v.AddArg(idx)
  8030  		v.AddArg(mem)
  8031  		return true
  8032  	}
  8033  	return false
  8034  }
  8035  func rewriteValueS390X_OpS390XMOVBZloadidx(v *Value, config *Config) bool {
  8036  	b := v.Block
  8037  	_ = b
  8038  	// match: (MOVBZloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
  8039  	// cond:
  8040  	// result: (MOVBZloadidx [c+d] {sym} ptr idx mem)
  8041  	for {
  8042  		c := v.AuxInt
  8043  		sym := v.Aux
  8044  		v_0 := v.Args[0]
  8045  		if v_0.Op != OpS390XADDconst {
  8046  			break
  8047  		}
  8048  		d := v_0.AuxInt
  8049  		ptr := v_0.Args[0]
  8050  		idx := v.Args[1]
  8051  		mem := v.Args[2]
  8052  		v.reset(OpS390XMOVBZloadidx)
  8053  		v.AuxInt = c + d
  8054  		v.Aux = sym
  8055  		v.AddArg(ptr)
  8056  		v.AddArg(idx)
  8057  		v.AddArg(mem)
  8058  		return true
  8059  	}
  8060  	// match: (MOVBZloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
  8061  	// cond:
  8062  	// result: (MOVBZloadidx [c+d] {sym} ptr idx mem)
  8063  	for {
  8064  		c := v.AuxInt
  8065  		sym := v.Aux
  8066  		ptr := v.Args[0]
  8067  		v_1 := v.Args[1]
  8068  		if v_1.Op != OpS390XADDconst {
  8069  			break
  8070  		}
  8071  		d := v_1.AuxInt
  8072  		idx := v_1.Args[0]
  8073  		mem := v.Args[2]
  8074  		v.reset(OpS390XMOVBZloadidx)
  8075  		v.AuxInt = c + d
  8076  		v.Aux = sym
  8077  		v.AddArg(ptr)
  8078  		v.AddArg(idx)
  8079  		v.AddArg(mem)
  8080  		return true
  8081  	}
  8082  	return false
  8083  }
  8084  func rewriteValueS390X_OpS390XMOVBZreg(v *Value, config *Config) bool {
  8085  	b := v.Block
  8086  	_ = b
  8087  	// match: (MOVBZreg x:(MOVDLT (MOVDconst [c]) (MOVDconst [d]) _))
  8088  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8089  	// result: (MOVDreg x)
  8090  	for {
  8091  		x := v.Args[0]
  8092  		if x.Op != OpS390XMOVDLT {
  8093  			break
  8094  		}
  8095  		x_0 := x.Args[0]
  8096  		if x_0.Op != OpS390XMOVDconst {
  8097  			break
  8098  		}
  8099  		c := x_0.AuxInt
  8100  		x_1 := x.Args[1]
  8101  		if x_1.Op != OpS390XMOVDconst {
  8102  			break
  8103  		}
  8104  		d := x_1.AuxInt
  8105  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8106  			break
  8107  		}
  8108  		v.reset(OpS390XMOVDreg)
  8109  		v.AddArg(x)
  8110  		return true
  8111  	}
  8112  	// match: (MOVBZreg x:(MOVDLE (MOVDconst [c]) (MOVDconst [d]) _))
  8113  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8114  	// result: (MOVDreg x)
  8115  	for {
  8116  		x := v.Args[0]
  8117  		if x.Op != OpS390XMOVDLE {
  8118  			break
  8119  		}
  8120  		x_0 := x.Args[0]
  8121  		if x_0.Op != OpS390XMOVDconst {
  8122  			break
  8123  		}
  8124  		c := x_0.AuxInt
  8125  		x_1 := x.Args[1]
  8126  		if x_1.Op != OpS390XMOVDconst {
  8127  			break
  8128  		}
  8129  		d := x_1.AuxInt
  8130  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8131  			break
  8132  		}
  8133  		v.reset(OpS390XMOVDreg)
  8134  		v.AddArg(x)
  8135  		return true
  8136  	}
  8137  	// match: (MOVBZreg x:(MOVDGT (MOVDconst [c]) (MOVDconst [d]) _))
  8138  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8139  	// result: (MOVDreg x)
  8140  	for {
  8141  		x := v.Args[0]
  8142  		if x.Op != OpS390XMOVDGT {
  8143  			break
  8144  		}
  8145  		x_0 := x.Args[0]
  8146  		if x_0.Op != OpS390XMOVDconst {
  8147  			break
  8148  		}
  8149  		c := x_0.AuxInt
  8150  		x_1 := x.Args[1]
  8151  		if x_1.Op != OpS390XMOVDconst {
  8152  			break
  8153  		}
  8154  		d := x_1.AuxInt
  8155  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8156  			break
  8157  		}
  8158  		v.reset(OpS390XMOVDreg)
  8159  		v.AddArg(x)
  8160  		return true
  8161  	}
  8162  	// match: (MOVBZreg x:(MOVDGE (MOVDconst [c]) (MOVDconst [d]) _))
  8163  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8164  	// result: (MOVDreg x)
  8165  	for {
  8166  		x := v.Args[0]
  8167  		if x.Op != OpS390XMOVDGE {
  8168  			break
  8169  		}
  8170  		x_0 := x.Args[0]
  8171  		if x_0.Op != OpS390XMOVDconst {
  8172  			break
  8173  		}
  8174  		c := x_0.AuxInt
  8175  		x_1 := x.Args[1]
  8176  		if x_1.Op != OpS390XMOVDconst {
  8177  			break
  8178  		}
  8179  		d := x_1.AuxInt
  8180  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8181  			break
  8182  		}
  8183  		v.reset(OpS390XMOVDreg)
  8184  		v.AddArg(x)
  8185  		return true
  8186  	}
  8187  	// match: (MOVBZreg x:(MOVDEQ (MOVDconst [c]) (MOVDconst [d]) _))
  8188  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8189  	// result: (MOVDreg x)
  8190  	for {
  8191  		x := v.Args[0]
  8192  		if x.Op != OpS390XMOVDEQ {
  8193  			break
  8194  		}
  8195  		x_0 := x.Args[0]
  8196  		if x_0.Op != OpS390XMOVDconst {
  8197  			break
  8198  		}
  8199  		c := x_0.AuxInt
  8200  		x_1 := x.Args[1]
  8201  		if x_1.Op != OpS390XMOVDconst {
  8202  			break
  8203  		}
  8204  		d := x_1.AuxInt
  8205  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8206  			break
  8207  		}
  8208  		v.reset(OpS390XMOVDreg)
  8209  		v.AddArg(x)
  8210  		return true
  8211  	}
  8212  	// match: (MOVBZreg x:(MOVDNE (MOVDconst [c]) (MOVDconst [d]) _))
  8213  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8214  	// result: (MOVDreg x)
  8215  	for {
  8216  		x := v.Args[0]
  8217  		if x.Op != OpS390XMOVDNE {
  8218  			break
  8219  		}
  8220  		x_0 := x.Args[0]
  8221  		if x_0.Op != OpS390XMOVDconst {
  8222  			break
  8223  		}
  8224  		c := x_0.AuxInt
  8225  		x_1 := x.Args[1]
  8226  		if x_1.Op != OpS390XMOVDconst {
  8227  			break
  8228  		}
  8229  		d := x_1.AuxInt
  8230  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8231  			break
  8232  		}
  8233  		v.reset(OpS390XMOVDreg)
  8234  		v.AddArg(x)
  8235  		return true
  8236  	}
  8237  	// match: (MOVBZreg x:(MOVDGTnoinv (MOVDconst [c]) (MOVDconst [d]) _))
  8238  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8239  	// result: (MOVDreg x)
  8240  	for {
  8241  		x := v.Args[0]
  8242  		if x.Op != OpS390XMOVDGTnoinv {
  8243  			break
  8244  		}
  8245  		x_0 := x.Args[0]
  8246  		if x_0.Op != OpS390XMOVDconst {
  8247  			break
  8248  		}
  8249  		c := x_0.AuxInt
  8250  		x_1 := x.Args[1]
  8251  		if x_1.Op != OpS390XMOVDconst {
  8252  			break
  8253  		}
  8254  		d := x_1.AuxInt
  8255  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8256  			break
  8257  		}
  8258  		v.reset(OpS390XMOVDreg)
  8259  		v.AddArg(x)
  8260  		return true
  8261  	}
  8262  	// match: (MOVBZreg x:(MOVDGEnoinv (MOVDconst [c]) (MOVDconst [d]) _))
  8263  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8264  	// result: (MOVDreg x)
  8265  	for {
  8266  		x := v.Args[0]
  8267  		if x.Op != OpS390XMOVDGEnoinv {
  8268  			break
  8269  		}
  8270  		x_0 := x.Args[0]
  8271  		if x_0.Op != OpS390XMOVDconst {
  8272  			break
  8273  		}
  8274  		c := x_0.AuxInt
  8275  		x_1 := x.Args[1]
  8276  		if x_1.Op != OpS390XMOVDconst {
  8277  			break
  8278  		}
  8279  		d := x_1.AuxInt
  8280  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8281  			break
  8282  		}
  8283  		v.reset(OpS390XMOVDreg)
  8284  		v.AddArg(x)
  8285  		return true
  8286  	}
  8287  	// match: (MOVBZreg x:(MOVBZload _ _))
  8288  	// cond:
  8289  	// result: (MOVDreg x)
  8290  	for {
  8291  		x := v.Args[0]
  8292  		if x.Op != OpS390XMOVBZload {
  8293  			break
  8294  		}
  8295  		v.reset(OpS390XMOVDreg)
  8296  		v.AddArg(x)
  8297  		return true
  8298  	}
  8299  	// match: (MOVBZreg x:(Arg <t>))
  8300  	// cond: is8BitInt(t) && !isSigned(t)
  8301  	// result: (MOVDreg x)
  8302  	for {
  8303  		x := v.Args[0]
  8304  		if x.Op != OpArg {
  8305  			break
  8306  		}
  8307  		t := x.Type
  8308  		if !(is8BitInt(t) && !isSigned(t)) {
  8309  			break
  8310  		}
  8311  		v.reset(OpS390XMOVDreg)
  8312  		v.AddArg(x)
  8313  		return true
  8314  	}
  8315  	// match: (MOVBZreg x:(MOVBZreg _))
  8316  	// cond:
  8317  	// result: (MOVDreg x)
  8318  	for {
  8319  		x := v.Args[0]
  8320  		if x.Op != OpS390XMOVBZreg {
  8321  			break
  8322  		}
  8323  		v.reset(OpS390XMOVDreg)
  8324  		v.AddArg(x)
  8325  		return true
  8326  	}
  8327  	// match: (MOVBZreg (MOVDconst [c]))
  8328  	// cond:
  8329  	// result: (MOVDconst [int64(uint8(c))])
  8330  	for {
  8331  		v_0 := v.Args[0]
  8332  		if v_0.Op != OpS390XMOVDconst {
  8333  			break
  8334  		}
  8335  		c := v_0.AuxInt
  8336  		v.reset(OpS390XMOVDconst)
  8337  		v.AuxInt = int64(uint8(c))
  8338  		return true
  8339  	}
  8340  	// match: (MOVBZreg x:(MOVBZload [off] {sym} ptr mem))
  8341  	// cond: x.Uses == 1 && clobber(x)
  8342  	// result: @x.Block (MOVBZload <v.Type> [off] {sym} ptr mem)
  8343  	for {
  8344  		x := v.Args[0]
  8345  		if x.Op != OpS390XMOVBZload {
  8346  			break
  8347  		}
  8348  		off := x.AuxInt
  8349  		sym := x.Aux
  8350  		ptr := x.Args[0]
  8351  		mem := x.Args[1]
  8352  		if !(x.Uses == 1 && clobber(x)) {
  8353  			break
  8354  		}
  8355  		b = x.Block
  8356  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZload, v.Type)
  8357  		v.reset(OpCopy)
  8358  		v.AddArg(v0)
  8359  		v0.AuxInt = off
  8360  		v0.Aux = sym
  8361  		v0.AddArg(ptr)
  8362  		v0.AddArg(mem)
  8363  		return true
  8364  	}
  8365  	// match: (MOVBZreg x:(MOVBZloadidx [off] {sym} ptr idx mem))
  8366  	// cond: x.Uses == 1 && clobber(x)
  8367  	// result: @x.Block (MOVBZloadidx <v.Type> [off] {sym} ptr idx mem)
  8368  	for {
  8369  		x := v.Args[0]
  8370  		if x.Op != OpS390XMOVBZloadidx {
  8371  			break
  8372  		}
  8373  		off := x.AuxInt
  8374  		sym := x.Aux
  8375  		ptr := x.Args[0]
  8376  		idx := x.Args[1]
  8377  		mem := x.Args[2]
  8378  		if !(x.Uses == 1 && clobber(x)) {
  8379  			break
  8380  		}
  8381  		b = x.Block
  8382  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZloadidx, v.Type)
  8383  		v.reset(OpCopy)
  8384  		v.AddArg(v0)
  8385  		v0.AuxInt = off
  8386  		v0.Aux = sym
  8387  		v0.AddArg(ptr)
  8388  		v0.AddArg(idx)
  8389  		v0.AddArg(mem)
  8390  		return true
  8391  	}
  8392  	return false
  8393  }
  8394  func rewriteValueS390X_OpS390XMOVBload(v *Value, config *Config) bool {
  8395  	b := v.Block
  8396  	_ = b
  8397  	// match: (MOVBload   [off1] {sym} (ADDconst [off2] ptr) mem)
  8398  	// cond: is20Bit(off1+off2)
  8399  	// result: (MOVBload  [off1+off2] {sym} ptr mem)
  8400  	for {
  8401  		off1 := v.AuxInt
  8402  		sym := v.Aux
  8403  		v_0 := v.Args[0]
  8404  		if v_0.Op != OpS390XADDconst {
  8405  			break
  8406  		}
  8407  		off2 := v_0.AuxInt
  8408  		ptr := v_0.Args[0]
  8409  		mem := v.Args[1]
  8410  		if !(is20Bit(off1 + off2)) {
  8411  			break
  8412  		}
  8413  		v.reset(OpS390XMOVBload)
  8414  		v.AuxInt = off1 + off2
  8415  		v.Aux = sym
  8416  		v.AddArg(ptr)
  8417  		v.AddArg(mem)
  8418  		return true
  8419  	}
  8420  	// match: (MOVBload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  8421  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8422  	// result: (MOVBload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  8423  	for {
  8424  		off1 := v.AuxInt
  8425  		sym1 := v.Aux
  8426  		v_0 := v.Args[0]
  8427  		if v_0.Op != OpS390XMOVDaddr {
  8428  			break
  8429  		}
  8430  		off2 := v_0.AuxInt
  8431  		sym2 := v_0.Aux
  8432  		base := v_0.Args[0]
  8433  		mem := v.Args[1]
  8434  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8435  			break
  8436  		}
  8437  		v.reset(OpS390XMOVBload)
  8438  		v.AuxInt = off1 + off2
  8439  		v.Aux = mergeSym(sym1, sym2)
  8440  		v.AddArg(base)
  8441  		v.AddArg(mem)
  8442  		return true
  8443  	}
  8444  	return false
  8445  }
  8446  func rewriteValueS390X_OpS390XMOVBreg(v *Value, config *Config) bool {
  8447  	b := v.Block
  8448  	_ = b
  8449  	// match: (MOVBreg x:(MOVBload _ _))
  8450  	// cond:
  8451  	// result: (MOVDreg x)
  8452  	for {
  8453  		x := v.Args[0]
  8454  		if x.Op != OpS390XMOVBload {
  8455  			break
  8456  		}
  8457  		v.reset(OpS390XMOVDreg)
  8458  		v.AddArg(x)
  8459  		return true
  8460  	}
  8461  	// match: (MOVBreg x:(Arg <t>))
  8462  	// cond: is8BitInt(t) && isSigned(t)
  8463  	// result: (MOVDreg x)
  8464  	for {
  8465  		x := v.Args[0]
  8466  		if x.Op != OpArg {
  8467  			break
  8468  		}
  8469  		t := x.Type
  8470  		if !(is8BitInt(t) && isSigned(t)) {
  8471  			break
  8472  		}
  8473  		v.reset(OpS390XMOVDreg)
  8474  		v.AddArg(x)
  8475  		return true
  8476  	}
  8477  	// match: (MOVBreg x:(MOVBreg _))
  8478  	// cond:
  8479  	// result: (MOVDreg x)
  8480  	for {
  8481  		x := v.Args[0]
  8482  		if x.Op != OpS390XMOVBreg {
  8483  			break
  8484  		}
  8485  		v.reset(OpS390XMOVDreg)
  8486  		v.AddArg(x)
  8487  		return true
  8488  	}
  8489  	// match: (MOVBreg (MOVDconst [c]))
  8490  	// cond:
  8491  	// result: (MOVDconst [int64(int8(c))])
  8492  	for {
  8493  		v_0 := v.Args[0]
  8494  		if v_0.Op != OpS390XMOVDconst {
  8495  			break
  8496  		}
  8497  		c := v_0.AuxInt
  8498  		v.reset(OpS390XMOVDconst)
  8499  		v.AuxInt = int64(int8(c))
  8500  		return true
  8501  	}
  8502  	// match: (MOVBreg x:(MOVBZload [off] {sym} ptr mem))
  8503  	// cond: x.Uses == 1 && clobber(x)
  8504  	// result: @x.Block (MOVBload <v.Type> [off] {sym} ptr mem)
  8505  	for {
  8506  		x := v.Args[0]
  8507  		if x.Op != OpS390XMOVBZload {
  8508  			break
  8509  		}
  8510  		off := x.AuxInt
  8511  		sym := x.Aux
  8512  		ptr := x.Args[0]
  8513  		mem := x.Args[1]
  8514  		if !(x.Uses == 1 && clobber(x)) {
  8515  			break
  8516  		}
  8517  		b = x.Block
  8518  		v0 := b.NewValue0(v.Pos, OpS390XMOVBload, v.Type)
  8519  		v.reset(OpCopy)
  8520  		v.AddArg(v0)
  8521  		v0.AuxInt = off
  8522  		v0.Aux = sym
  8523  		v0.AddArg(ptr)
  8524  		v0.AddArg(mem)
  8525  		return true
  8526  	}
  8527  	return false
  8528  }
  8529  func rewriteValueS390X_OpS390XMOVBstore(v *Value, config *Config) bool {
  8530  	b := v.Block
  8531  	_ = b
  8532  	// match: (MOVBstore [off] {sym} ptr (MOVBreg x) mem)
  8533  	// cond:
  8534  	// result: (MOVBstore [off] {sym} ptr x mem)
  8535  	for {
  8536  		off := v.AuxInt
  8537  		sym := v.Aux
  8538  		ptr := v.Args[0]
  8539  		v_1 := v.Args[1]
  8540  		if v_1.Op != OpS390XMOVBreg {
  8541  			break
  8542  		}
  8543  		x := v_1.Args[0]
  8544  		mem := v.Args[2]
  8545  		v.reset(OpS390XMOVBstore)
  8546  		v.AuxInt = off
  8547  		v.Aux = sym
  8548  		v.AddArg(ptr)
  8549  		v.AddArg(x)
  8550  		v.AddArg(mem)
  8551  		return true
  8552  	}
  8553  	// match: (MOVBstore [off] {sym} ptr (MOVBZreg x) mem)
  8554  	// cond:
  8555  	// result: (MOVBstore [off] {sym} ptr x mem)
  8556  	for {
  8557  		off := v.AuxInt
  8558  		sym := v.Aux
  8559  		ptr := v.Args[0]
  8560  		v_1 := v.Args[1]
  8561  		if v_1.Op != OpS390XMOVBZreg {
  8562  			break
  8563  		}
  8564  		x := v_1.Args[0]
  8565  		mem := v.Args[2]
  8566  		v.reset(OpS390XMOVBstore)
  8567  		v.AuxInt = off
  8568  		v.Aux = sym
  8569  		v.AddArg(ptr)
  8570  		v.AddArg(x)
  8571  		v.AddArg(mem)
  8572  		return true
  8573  	}
  8574  	// match: (MOVBstore  [off1] {sym} (ADDconst [off2] ptr) val mem)
  8575  	// cond: is20Bit(off1+off2)
  8576  	// result: (MOVBstore  [off1+off2] {sym} ptr val mem)
  8577  	for {
  8578  		off1 := v.AuxInt
  8579  		sym := v.Aux
  8580  		v_0 := v.Args[0]
  8581  		if v_0.Op != OpS390XADDconst {
  8582  			break
  8583  		}
  8584  		off2 := v_0.AuxInt
  8585  		ptr := v_0.Args[0]
  8586  		val := v.Args[1]
  8587  		mem := v.Args[2]
  8588  		if !(is20Bit(off1 + off2)) {
  8589  			break
  8590  		}
  8591  		v.reset(OpS390XMOVBstore)
  8592  		v.AuxInt = off1 + off2
  8593  		v.Aux = sym
  8594  		v.AddArg(ptr)
  8595  		v.AddArg(val)
  8596  		v.AddArg(mem)
  8597  		return true
  8598  	}
  8599  	// match: (MOVBstore [off] {sym} ptr (MOVDconst [c]) mem)
  8600  	// cond: validOff(off) && ptr.Op != OpSB
  8601  	// result: (MOVBstoreconst [makeValAndOff(int64(int8(c)),off)] {sym} ptr mem)
  8602  	for {
  8603  		off := v.AuxInt
  8604  		sym := v.Aux
  8605  		ptr := v.Args[0]
  8606  		v_1 := v.Args[1]
  8607  		if v_1.Op != OpS390XMOVDconst {
  8608  			break
  8609  		}
  8610  		c := v_1.AuxInt
  8611  		mem := v.Args[2]
  8612  		if !(validOff(off) && ptr.Op != OpSB) {
  8613  			break
  8614  		}
  8615  		v.reset(OpS390XMOVBstoreconst)
  8616  		v.AuxInt = makeValAndOff(int64(int8(c)), off)
  8617  		v.Aux = sym
  8618  		v.AddArg(ptr)
  8619  		v.AddArg(mem)
  8620  		return true
  8621  	}
  8622  	// match: (MOVBstore  [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
  8623  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8624  	// result: (MOVBstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  8625  	for {
  8626  		off1 := v.AuxInt
  8627  		sym1 := v.Aux
  8628  		v_0 := v.Args[0]
  8629  		if v_0.Op != OpS390XMOVDaddr {
  8630  			break
  8631  		}
  8632  		off2 := v_0.AuxInt
  8633  		sym2 := v_0.Aux
  8634  		base := v_0.Args[0]
  8635  		val := v.Args[1]
  8636  		mem := v.Args[2]
  8637  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8638  			break
  8639  		}
  8640  		v.reset(OpS390XMOVBstore)
  8641  		v.AuxInt = off1 + off2
  8642  		v.Aux = mergeSym(sym1, sym2)
  8643  		v.AddArg(base)
  8644  		v.AddArg(val)
  8645  		v.AddArg(mem)
  8646  		return true
  8647  	}
  8648  	// match: (MOVBstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
  8649  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8650  	// result: (MOVBstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
  8651  	for {
  8652  		off1 := v.AuxInt
  8653  		sym1 := v.Aux
  8654  		v_0 := v.Args[0]
  8655  		if v_0.Op != OpS390XMOVDaddridx {
  8656  			break
  8657  		}
  8658  		off2 := v_0.AuxInt
  8659  		sym2 := v_0.Aux
  8660  		ptr := v_0.Args[0]
  8661  		idx := v_0.Args[1]
  8662  		val := v.Args[1]
  8663  		mem := v.Args[2]
  8664  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8665  			break
  8666  		}
  8667  		v.reset(OpS390XMOVBstoreidx)
  8668  		v.AuxInt = off1 + off2
  8669  		v.Aux = mergeSym(sym1, sym2)
  8670  		v.AddArg(ptr)
  8671  		v.AddArg(idx)
  8672  		v.AddArg(val)
  8673  		v.AddArg(mem)
  8674  		return true
  8675  	}
  8676  	// match: (MOVBstore [off] {sym} (ADD ptr idx) val mem)
  8677  	// cond: ptr.Op != OpSB
  8678  	// result: (MOVBstoreidx [off] {sym} ptr idx val mem)
  8679  	for {
  8680  		off := v.AuxInt
  8681  		sym := v.Aux
  8682  		v_0 := v.Args[0]
  8683  		if v_0.Op != OpS390XADD {
  8684  			break
  8685  		}
  8686  		ptr := v_0.Args[0]
  8687  		idx := v_0.Args[1]
  8688  		val := v.Args[1]
  8689  		mem := v.Args[2]
  8690  		if !(ptr.Op != OpSB) {
  8691  			break
  8692  		}
  8693  		v.reset(OpS390XMOVBstoreidx)
  8694  		v.AuxInt = off
  8695  		v.Aux = sym
  8696  		v.AddArg(ptr)
  8697  		v.AddArg(idx)
  8698  		v.AddArg(val)
  8699  		v.AddArg(mem)
  8700  		return true
  8701  	}
  8702  	// match: (MOVBstore [i] {s} p w x:(MOVBstore [i-1] {s} p (SRDconst [8] w) mem))
  8703  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8704  	// result: (MOVHstore [i-1] {s} p w mem)
  8705  	for {
  8706  		i := v.AuxInt
  8707  		s := v.Aux
  8708  		p := v.Args[0]
  8709  		w := v.Args[1]
  8710  		x := v.Args[2]
  8711  		if x.Op != OpS390XMOVBstore {
  8712  			break
  8713  		}
  8714  		if x.AuxInt != i-1 {
  8715  			break
  8716  		}
  8717  		if x.Aux != s {
  8718  			break
  8719  		}
  8720  		if p != x.Args[0] {
  8721  			break
  8722  		}
  8723  		x_1 := x.Args[1]
  8724  		if x_1.Op != OpS390XSRDconst {
  8725  			break
  8726  		}
  8727  		if x_1.AuxInt != 8 {
  8728  			break
  8729  		}
  8730  		if w != x_1.Args[0] {
  8731  			break
  8732  		}
  8733  		mem := x.Args[2]
  8734  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8735  			break
  8736  		}
  8737  		v.reset(OpS390XMOVHstore)
  8738  		v.AuxInt = i - 1
  8739  		v.Aux = s
  8740  		v.AddArg(p)
  8741  		v.AddArg(w)
  8742  		v.AddArg(mem)
  8743  		return true
  8744  	}
  8745  	// match: (MOVBstore [i] {s} p w0:(SRDconst [j] w) x:(MOVBstore [i-1] {s} p (SRDconst [j+8] w) mem))
  8746  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8747  	// result: (MOVHstore [i-1] {s} p w0 mem)
  8748  	for {
  8749  		i := v.AuxInt
  8750  		s := v.Aux
  8751  		p := v.Args[0]
  8752  		w0 := v.Args[1]
  8753  		if w0.Op != OpS390XSRDconst {
  8754  			break
  8755  		}
  8756  		j := w0.AuxInt
  8757  		w := w0.Args[0]
  8758  		x := v.Args[2]
  8759  		if x.Op != OpS390XMOVBstore {
  8760  			break
  8761  		}
  8762  		if x.AuxInt != i-1 {
  8763  			break
  8764  		}
  8765  		if x.Aux != s {
  8766  			break
  8767  		}
  8768  		if p != x.Args[0] {
  8769  			break
  8770  		}
  8771  		x_1 := x.Args[1]
  8772  		if x_1.Op != OpS390XSRDconst {
  8773  			break
  8774  		}
  8775  		if x_1.AuxInt != j+8 {
  8776  			break
  8777  		}
  8778  		if w != x_1.Args[0] {
  8779  			break
  8780  		}
  8781  		mem := x.Args[2]
  8782  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8783  			break
  8784  		}
  8785  		v.reset(OpS390XMOVHstore)
  8786  		v.AuxInt = i - 1
  8787  		v.Aux = s
  8788  		v.AddArg(p)
  8789  		v.AddArg(w0)
  8790  		v.AddArg(mem)
  8791  		return true
  8792  	}
  8793  	// match: (MOVBstore [i] {s} p w x:(MOVBstore [i-1] {s} p (SRWconst [8] w) mem))
  8794  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8795  	// result: (MOVHstore [i-1] {s} p w mem)
  8796  	for {
  8797  		i := v.AuxInt
  8798  		s := v.Aux
  8799  		p := v.Args[0]
  8800  		w := v.Args[1]
  8801  		x := v.Args[2]
  8802  		if x.Op != OpS390XMOVBstore {
  8803  			break
  8804  		}
  8805  		if x.AuxInt != i-1 {
  8806  			break
  8807  		}
  8808  		if x.Aux != s {
  8809  			break
  8810  		}
  8811  		if p != x.Args[0] {
  8812  			break
  8813  		}
  8814  		x_1 := x.Args[1]
  8815  		if x_1.Op != OpS390XSRWconst {
  8816  			break
  8817  		}
  8818  		if x_1.AuxInt != 8 {
  8819  			break
  8820  		}
  8821  		if w != x_1.Args[0] {
  8822  			break
  8823  		}
  8824  		mem := x.Args[2]
  8825  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8826  			break
  8827  		}
  8828  		v.reset(OpS390XMOVHstore)
  8829  		v.AuxInt = i - 1
  8830  		v.Aux = s
  8831  		v.AddArg(p)
  8832  		v.AddArg(w)
  8833  		v.AddArg(mem)
  8834  		return true
  8835  	}
  8836  	// match: (MOVBstore [i] {s} p w0:(SRWconst [j] w) x:(MOVBstore [i-1] {s} p (SRWconst [j+8] w) mem))
  8837  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8838  	// result: (MOVHstore [i-1] {s} p w0 mem)
  8839  	for {
  8840  		i := v.AuxInt
  8841  		s := v.Aux
  8842  		p := v.Args[0]
  8843  		w0 := v.Args[1]
  8844  		if w0.Op != OpS390XSRWconst {
  8845  			break
  8846  		}
  8847  		j := w0.AuxInt
  8848  		w := w0.Args[0]
  8849  		x := v.Args[2]
  8850  		if x.Op != OpS390XMOVBstore {
  8851  			break
  8852  		}
  8853  		if x.AuxInt != i-1 {
  8854  			break
  8855  		}
  8856  		if x.Aux != s {
  8857  			break
  8858  		}
  8859  		if p != x.Args[0] {
  8860  			break
  8861  		}
  8862  		x_1 := x.Args[1]
  8863  		if x_1.Op != OpS390XSRWconst {
  8864  			break
  8865  		}
  8866  		if x_1.AuxInt != j+8 {
  8867  			break
  8868  		}
  8869  		if w != x_1.Args[0] {
  8870  			break
  8871  		}
  8872  		mem := x.Args[2]
  8873  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8874  			break
  8875  		}
  8876  		v.reset(OpS390XMOVHstore)
  8877  		v.AuxInt = i - 1
  8878  		v.Aux = s
  8879  		v.AddArg(p)
  8880  		v.AddArg(w0)
  8881  		v.AddArg(mem)
  8882  		return true
  8883  	}
  8884  	// match: (MOVBstore [i] {s} p (SRDconst [8] w) x:(MOVBstore [i-1] {s} p w mem))
  8885  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8886  	// result: (MOVHBRstore [i-1] {s} p w mem)
  8887  	for {
  8888  		i := v.AuxInt
  8889  		s := v.Aux
  8890  		p := v.Args[0]
  8891  		v_1 := v.Args[1]
  8892  		if v_1.Op != OpS390XSRDconst {
  8893  			break
  8894  		}
  8895  		if v_1.AuxInt != 8 {
  8896  			break
  8897  		}
  8898  		w := v_1.Args[0]
  8899  		x := v.Args[2]
  8900  		if x.Op != OpS390XMOVBstore {
  8901  			break
  8902  		}
  8903  		if x.AuxInt != i-1 {
  8904  			break
  8905  		}
  8906  		if x.Aux != s {
  8907  			break
  8908  		}
  8909  		if p != x.Args[0] {
  8910  			break
  8911  		}
  8912  		if w != x.Args[1] {
  8913  			break
  8914  		}
  8915  		mem := x.Args[2]
  8916  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8917  			break
  8918  		}
  8919  		v.reset(OpS390XMOVHBRstore)
  8920  		v.AuxInt = i - 1
  8921  		v.Aux = s
  8922  		v.AddArg(p)
  8923  		v.AddArg(w)
  8924  		v.AddArg(mem)
  8925  		return true
  8926  	}
  8927  	// match: (MOVBstore [i] {s} p (SRDconst [j] w) x:(MOVBstore [i-1] {s} p w0:(SRDconst [j-8] w) mem))
  8928  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8929  	// result: (MOVHBRstore [i-1] {s} p w0 mem)
  8930  	for {
  8931  		i := v.AuxInt
  8932  		s := v.Aux
  8933  		p := v.Args[0]
  8934  		v_1 := v.Args[1]
  8935  		if v_1.Op != OpS390XSRDconst {
  8936  			break
  8937  		}
  8938  		j := v_1.AuxInt
  8939  		w := v_1.Args[0]
  8940  		x := v.Args[2]
  8941  		if x.Op != OpS390XMOVBstore {
  8942  			break
  8943  		}
  8944  		if x.AuxInt != i-1 {
  8945  			break
  8946  		}
  8947  		if x.Aux != s {
  8948  			break
  8949  		}
  8950  		if p != x.Args[0] {
  8951  			break
  8952  		}
  8953  		w0 := x.Args[1]
  8954  		if w0.Op != OpS390XSRDconst {
  8955  			break
  8956  		}
  8957  		if w0.AuxInt != j-8 {
  8958  			break
  8959  		}
  8960  		if w != w0.Args[0] {
  8961  			break
  8962  		}
  8963  		mem := x.Args[2]
  8964  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8965  			break
  8966  		}
  8967  		v.reset(OpS390XMOVHBRstore)
  8968  		v.AuxInt = i - 1
  8969  		v.Aux = s
  8970  		v.AddArg(p)
  8971  		v.AddArg(w0)
  8972  		v.AddArg(mem)
  8973  		return true
  8974  	}
  8975  	// match: (MOVBstore [i] {s} p (SRWconst [8] w) x:(MOVBstore [i-1] {s} p w mem))
  8976  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8977  	// result: (MOVHBRstore [i-1] {s} p w mem)
  8978  	for {
  8979  		i := v.AuxInt
  8980  		s := v.Aux
  8981  		p := v.Args[0]
  8982  		v_1 := v.Args[1]
  8983  		if v_1.Op != OpS390XSRWconst {
  8984  			break
  8985  		}
  8986  		if v_1.AuxInt != 8 {
  8987  			break
  8988  		}
  8989  		w := v_1.Args[0]
  8990  		x := v.Args[2]
  8991  		if x.Op != OpS390XMOVBstore {
  8992  			break
  8993  		}
  8994  		if x.AuxInt != i-1 {
  8995  			break
  8996  		}
  8997  		if x.Aux != s {
  8998  			break
  8999  		}
  9000  		if p != x.Args[0] {
  9001  			break
  9002  		}
  9003  		if w != x.Args[1] {
  9004  			break
  9005  		}
  9006  		mem := x.Args[2]
  9007  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  9008  			break
  9009  		}
  9010  		v.reset(OpS390XMOVHBRstore)
  9011  		v.AuxInt = i - 1
  9012  		v.Aux = s
  9013  		v.AddArg(p)
  9014  		v.AddArg(w)
  9015  		v.AddArg(mem)
  9016  		return true
  9017  	}
  9018  	// match: (MOVBstore [i] {s} p (SRWconst [j] w) x:(MOVBstore [i-1] {s} p w0:(SRWconst [j-8] w) mem))
  9019  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  9020  	// result: (MOVHBRstore [i-1] {s} p w0 mem)
  9021  	for {
  9022  		i := v.AuxInt
  9023  		s := v.Aux
  9024  		p := v.Args[0]
  9025  		v_1 := v.Args[1]
  9026  		if v_1.Op != OpS390XSRWconst {
  9027  			break
  9028  		}
  9029  		j := v_1.AuxInt
  9030  		w := v_1.Args[0]
  9031  		x := v.Args[2]
  9032  		if x.Op != OpS390XMOVBstore {
  9033  			break
  9034  		}
  9035  		if x.AuxInt != i-1 {
  9036  			break
  9037  		}
  9038  		if x.Aux != s {
  9039  			break
  9040  		}
  9041  		if p != x.Args[0] {
  9042  			break
  9043  		}
  9044  		w0 := x.Args[1]
  9045  		if w0.Op != OpS390XSRWconst {
  9046  			break
  9047  		}
  9048  		if w0.AuxInt != j-8 {
  9049  			break
  9050  		}
  9051  		if w != w0.Args[0] {
  9052  			break
  9053  		}
  9054  		mem := x.Args[2]
  9055  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  9056  			break
  9057  		}
  9058  		v.reset(OpS390XMOVHBRstore)
  9059  		v.AuxInt = i - 1
  9060  		v.Aux = s
  9061  		v.AddArg(p)
  9062  		v.AddArg(w0)
  9063  		v.AddArg(mem)
  9064  		return true
  9065  	}
  9066  	return false
  9067  }
  9068  func rewriteValueS390X_OpS390XMOVBstoreconst(v *Value, config *Config) bool {
  9069  	b := v.Block
  9070  	_ = b
  9071  	// match: (MOVBstoreconst [sc] {s} (ADDconst [off] ptr) mem)
  9072  	// cond: ValAndOff(sc).canAdd(off)
  9073  	// result: (MOVBstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
  9074  	for {
  9075  		sc := v.AuxInt
  9076  		s := v.Aux
  9077  		v_0 := v.Args[0]
  9078  		if v_0.Op != OpS390XADDconst {
  9079  			break
  9080  		}
  9081  		off := v_0.AuxInt
  9082  		ptr := v_0.Args[0]
  9083  		mem := v.Args[1]
  9084  		if !(ValAndOff(sc).canAdd(off)) {
  9085  			break
  9086  		}
  9087  		v.reset(OpS390XMOVBstoreconst)
  9088  		v.AuxInt = ValAndOff(sc).add(off)
  9089  		v.Aux = s
  9090  		v.AddArg(ptr)
  9091  		v.AddArg(mem)
  9092  		return true
  9093  	}
  9094  	// match: (MOVBstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
  9095  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
  9096  	// result: (MOVBstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
  9097  	for {
  9098  		sc := v.AuxInt
  9099  		sym1 := v.Aux
  9100  		v_0 := v.Args[0]
  9101  		if v_0.Op != OpS390XMOVDaddr {
  9102  			break
  9103  		}
  9104  		off := v_0.AuxInt
  9105  		sym2 := v_0.Aux
  9106  		ptr := v_0.Args[0]
  9107  		mem := v.Args[1]
  9108  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
  9109  			break
  9110  		}
  9111  		v.reset(OpS390XMOVBstoreconst)
  9112  		v.AuxInt = ValAndOff(sc).add(off)
  9113  		v.Aux = mergeSym(sym1, sym2)
  9114  		v.AddArg(ptr)
  9115  		v.AddArg(mem)
  9116  		return true
  9117  	}
  9118  	// match: (MOVBstoreconst [c] {s} p x:(MOVBstoreconst [a] {s} p mem))
  9119  	// cond: p.Op != OpSB   && x.Uses == 1   && ValAndOff(a).Off() + 1 == ValAndOff(c).Off()   && clobber(x)
  9120  	// result: (MOVHstoreconst [makeValAndOff(ValAndOff(c).Val()&0xff | ValAndOff(a).Val()<<8, ValAndOff(a).Off())] {s} p mem)
  9121  	for {
  9122  		c := v.AuxInt
  9123  		s := v.Aux
  9124  		p := v.Args[0]
  9125  		x := v.Args[1]
  9126  		if x.Op != OpS390XMOVBstoreconst {
  9127  			break
  9128  		}
  9129  		a := x.AuxInt
  9130  		if x.Aux != s {
  9131  			break
  9132  		}
  9133  		if p != x.Args[0] {
  9134  			break
  9135  		}
  9136  		mem := x.Args[1]
  9137  		if !(p.Op != OpSB && x.Uses == 1 && ValAndOff(a).Off()+1 == ValAndOff(c).Off() && clobber(x)) {
  9138  			break
  9139  		}
  9140  		v.reset(OpS390XMOVHstoreconst)
  9141  		v.AuxInt = makeValAndOff(ValAndOff(c).Val()&0xff|ValAndOff(a).Val()<<8, ValAndOff(a).Off())
  9142  		v.Aux = s
  9143  		v.AddArg(p)
  9144  		v.AddArg(mem)
  9145  		return true
  9146  	}
  9147  	return false
  9148  }
  9149  func rewriteValueS390X_OpS390XMOVBstoreidx(v *Value, config *Config) bool {
  9150  	b := v.Block
  9151  	_ = b
  9152  	// match: (MOVBstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
  9153  	// cond:
  9154  	// result: (MOVBstoreidx [c+d] {sym} ptr idx val mem)
  9155  	for {
  9156  		c := v.AuxInt
  9157  		sym := v.Aux
  9158  		v_0 := v.Args[0]
  9159  		if v_0.Op != OpS390XADDconst {
  9160  			break
  9161  		}
  9162  		d := v_0.AuxInt
  9163  		ptr := v_0.Args[0]
  9164  		idx := v.Args[1]
  9165  		val := v.Args[2]
  9166  		mem := v.Args[3]
  9167  		v.reset(OpS390XMOVBstoreidx)
  9168  		v.AuxInt = c + d
  9169  		v.Aux = sym
  9170  		v.AddArg(ptr)
  9171  		v.AddArg(idx)
  9172  		v.AddArg(val)
  9173  		v.AddArg(mem)
  9174  		return true
  9175  	}
  9176  	// match: (MOVBstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
  9177  	// cond:
  9178  	// result: (MOVBstoreidx [c+d] {sym} ptr idx val mem)
  9179  	for {
  9180  		c := v.AuxInt
  9181  		sym := v.Aux
  9182  		ptr := v.Args[0]
  9183  		v_1 := v.Args[1]
  9184  		if v_1.Op != OpS390XADDconst {
  9185  			break
  9186  		}
  9187  		d := v_1.AuxInt
  9188  		idx := v_1.Args[0]
  9189  		val := v.Args[2]
  9190  		mem := v.Args[3]
  9191  		v.reset(OpS390XMOVBstoreidx)
  9192  		v.AuxInt = c + d
  9193  		v.Aux = sym
  9194  		v.AddArg(ptr)
  9195  		v.AddArg(idx)
  9196  		v.AddArg(val)
  9197  		v.AddArg(mem)
  9198  		return true
  9199  	}
  9200  	// match: (MOVBstoreidx [i] {s} p idx w x:(MOVBstoreidx [i-1] {s} p idx (SRDconst [8] w) mem))
  9201  	// cond: x.Uses == 1   && clobber(x)
  9202  	// result: (MOVHstoreidx [i-1] {s} p idx w mem)
  9203  	for {
  9204  		i := v.AuxInt
  9205  		s := v.Aux
  9206  		p := v.Args[0]
  9207  		idx := v.Args[1]
  9208  		w := v.Args[2]
  9209  		x := v.Args[3]
  9210  		if x.Op != OpS390XMOVBstoreidx {
  9211  			break
  9212  		}
  9213  		if x.AuxInt != i-1 {
  9214  			break
  9215  		}
  9216  		if x.Aux != s {
  9217  			break
  9218  		}
  9219  		if p != x.Args[0] {
  9220  			break
  9221  		}
  9222  		if idx != x.Args[1] {
  9223  			break
  9224  		}
  9225  		x_2 := x.Args[2]
  9226  		if x_2.Op != OpS390XSRDconst {
  9227  			break
  9228  		}
  9229  		if x_2.AuxInt != 8 {
  9230  			break
  9231  		}
  9232  		if w != x_2.Args[0] {
  9233  			break
  9234  		}
  9235  		mem := x.Args[3]
  9236  		if !(x.Uses == 1 && clobber(x)) {
  9237  			break
  9238  		}
  9239  		v.reset(OpS390XMOVHstoreidx)
  9240  		v.AuxInt = i - 1
  9241  		v.Aux = s
  9242  		v.AddArg(p)
  9243  		v.AddArg(idx)
  9244  		v.AddArg(w)
  9245  		v.AddArg(mem)
  9246  		return true
  9247  	}
  9248  	// match: (MOVBstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx (SRDconst [j+8] w) mem))
  9249  	// cond: x.Uses == 1   && clobber(x)
  9250  	// result: (MOVHstoreidx [i-1] {s} p idx w0 mem)
  9251  	for {
  9252  		i := v.AuxInt
  9253  		s := v.Aux
  9254  		p := v.Args[0]
  9255  		idx := v.Args[1]
  9256  		w0 := v.Args[2]
  9257  		if w0.Op != OpS390XSRDconst {
  9258  			break
  9259  		}
  9260  		j := w0.AuxInt
  9261  		w := w0.Args[0]
  9262  		x := v.Args[3]
  9263  		if x.Op != OpS390XMOVBstoreidx {
  9264  			break
  9265  		}
  9266  		if x.AuxInt != i-1 {
  9267  			break
  9268  		}
  9269  		if x.Aux != s {
  9270  			break
  9271  		}
  9272  		if p != x.Args[0] {
  9273  			break
  9274  		}
  9275  		if idx != x.Args[1] {
  9276  			break
  9277  		}
  9278  		x_2 := x.Args[2]
  9279  		if x_2.Op != OpS390XSRDconst {
  9280  			break
  9281  		}
  9282  		if x_2.AuxInt != j+8 {
  9283  			break
  9284  		}
  9285  		if w != x_2.Args[0] {
  9286  			break
  9287  		}
  9288  		mem := x.Args[3]
  9289  		if !(x.Uses == 1 && clobber(x)) {
  9290  			break
  9291  		}
  9292  		v.reset(OpS390XMOVHstoreidx)
  9293  		v.AuxInt = i - 1
  9294  		v.Aux = s
  9295  		v.AddArg(p)
  9296  		v.AddArg(idx)
  9297  		v.AddArg(w0)
  9298  		v.AddArg(mem)
  9299  		return true
  9300  	}
  9301  	// match: (MOVBstoreidx [i] {s} p idx w x:(MOVBstoreidx [i-1] {s} p idx (SRWconst [8] w) mem))
  9302  	// cond: x.Uses == 1   && clobber(x)
  9303  	// result: (MOVHstoreidx [i-1] {s} p idx w mem)
  9304  	for {
  9305  		i := v.AuxInt
  9306  		s := v.Aux
  9307  		p := v.Args[0]
  9308  		idx := v.Args[1]
  9309  		w := v.Args[2]
  9310  		x := v.Args[3]
  9311  		if x.Op != OpS390XMOVBstoreidx {
  9312  			break
  9313  		}
  9314  		if x.AuxInt != i-1 {
  9315  			break
  9316  		}
  9317  		if x.Aux != s {
  9318  			break
  9319  		}
  9320  		if p != x.Args[0] {
  9321  			break
  9322  		}
  9323  		if idx != x.Args[1] {
  9324  			break
  9325  		}
  9326  		x_2 := x.Args[2]
  9327  		if x_2.Op != OpS390XSRWconst {
  9328  			break
  9329  		}
  9330  		if x_2.AuxInt != 8 {
  9331  			break
  9332  		}
  9333  		if w != x_2.Args[0] {
  9334  			break
  9335  		}
  9336  		mem := x.Args[3]
  9337  		if !(x.Uses == 1 && clobber(x)) {
  9338  			break
  9339  		}
  9340  		v.reset(OpS390XMOVHstoreidx)
  9341  		v.AuxInt = i - 1
  9342  		v.Aux = s
  9343  		v.AddArg(p)
  9344  		v.AddArg(idx)
  9345  		v.AddArg(w)
  9346  		v.AddArg(mem)
  9347  		return true
  9348  	}
  9349  	// match: (MOVBstoreidx [i] {s} p idx w0:(SRWconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx (SRWconst [j+8] w) mem))
  9350  	// cond: x.Uses == 1   && clobber(x)
  9351  	// result: (MOVHstoreidx [i-1] {s} p idx w0 mem)
  9352  	for {
  9353  		i := v.AuxInt
  9354  		s := v.Aux
  9355  		p := v.Args[0]
  9356  		idx := v.Args[1]
  9357  		w0 := v.Args[2]
  9358  		if w0.Op != OpS390XSRWconst {
  9359  			break
  9360  		}
  9361  		j := w0.AuxInt
  9362  		w := w0.Args[0]
  9363  		x := v.Args[3]
  9364  		if x.Op != OpS390XMOVBstoreidx {
  9365  			break
  9366  		}
  9367  		if x.AuxInt != i-1 {
  9368  			break
  9369  		}
  9370  		if x.Aux != s {
  9371  			break
  9372  		}
  9373  		if p != x.Args[0] {
  9374  			break
  9375  		}
  9376  		if idx != x.Args[1] {
  9377  			break
  9378  		}
  9379  		x_2 := x.Args[2]
  9380  		if x_2.Op != OpS390XSRWconst {
  9381  			break
  9382  		}
  9383  		if x_2.AuxInt != j+8 {
  9384  			break
  9385  		}
  9386  		if w != x_2.Args[0] {
  9387  			break
  9388  		}
  9389  		mem := x.Args[3]
  9390  		if !(x.Uses == 1 && clobber(x)) {
  9391  			break
  9392  		}
  9393  		v.reset(OpS390XMOVHstoreidx)
  9394  		v.AuxInt = i - 1
  9395  		v.Aux = s
  9396  		v.AddArg(p)
  9397  		v.AddArg(idx)
  9398  		v.AddArg(w0)
  9399  		v.AddArg(mem)
  9400  		return true
  9401  	}
  9402  	// match: (MOVBstoreidx [i] {s} p idx (SRDconst [8] w) x:(MOVBstoreidx [i-1] {s} p idx w mem))
  9403  	// cond: x.Uses == 1   && clobber(x)
  9404  	// result: (MOVHBRstoreidx [i-1] {s} p idx w mem)
  9405  	for {
  9406  		i := v.AuxInt
  9407  		s := v.Aux
  9408  		p := v.Args[0]
  9409  		idx := v.Args[1]
  9410  		v_2 := v.Args[2]
  9411  		if v_2.Op != OpS390XSRDconst {
  9412  			break
  9413  		}
  9414  		if v_2.AuxInt != 8 {
  9415  			break
  9416  		}
  9417  		w := v_2.Args[0]
  9418  		x := v.Args[3]
  9419  		if x.Op != OpS390XMOVBstoreidx {
  9420  			break
  9421  		}
  9422  		if x.AuxInt != i-1 {
  9423  			break
  9424  		}
  9425  		if x.Aux != s {
  9426  			break
  9427  		}
  9428  		if p != x.Args[0] {
  9429  			break
  9430  		}
  9431  		if idx != x.Args[1] {
  9432  			break
  9433  		}
  9434  		if w != x.Args[2] {
  9435  			break
  9436  		}
  9437  		mem := x.Args[3]
  9438  		if !(x.Uses == 1 && clobber(x)) {
  9439  			break
  9440  		}
  9441  		v.reset(OpS390XMOVHBRstoreidx)
  9442  		v.AuxInt = i - 1
  9443  		v.Aux = s
  9444  		v.AddArg(p)
  9445  		v.AddArg(idx)
  9446  		v.AddArg(w)
  9447  		v.AddArg(mem)
  9448  		return true
  9449  	}
  9450  	// match: (MOVBstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx w0:(SRDconst [j-8] w) mem))
  9451  	// cond: x.Uses == 1   && clobber(x)
  9452  	// result: (MOVHBRstoreidx [i-1] {s} p idx w0 mem)
  9453  	for {
  9454  		i := v.AuxInt
  9455  		s := v.Aux
  9456  		p := v.Args[0]
  9457  		idx := v.Args[1]
  9458  		v_2 := v.Args[2]
  9459  		if v_2.Op != OpS390XSRDconst {
  9460  			break
  9461  		}
  9462  		j := v_2.AuxInt
  9463  		w := v_2.Args[0]
  9464  		x := v.Args[3]
  9465  		if x.Op != OpS390XMOVBstoreidx {
  9466  			break
  9467  		}
  9468  		if x.AuxInt != i-1 {
  9469  			break
  9470  		}
  9471  		if x.Aux != s {
  9472  			break
  9473  		}
  9474  		if p != x.Args[0] {
  9475  			break
  9476  		}
  9477  		if idx != x.Args[1] {
  9478  			break
  9479  		}
  9480  		w0 := x.Args[2]
  9481  		if w0.Op != OpS390XSRDconst {
  9482  			break
  9483  		}
  9484  		if w0.AuxInt != j-8 {
  9485  			break
  9486  		}
  9487  		if w != w0.Args[0] {
  9488  			break
  9489  		}
  9490  		mem := x.Args[3]
  9491  		if !(x.Uses == 1 && clobber(x)) {
  9492  			break
  9493  		}
  9494  		v.reset(OpS390XMOVHBRstoreidx)
  9495  		v.AuxInt = i - 1
  9496  		v.Aux = s
  9497  		v.AddArg(p)
  9498  		v.AddArg(idx)
  9499  		v.AddArg(w0)
  9500  		v.AddArg(mem)
  9501  		return true
  9502  	}
  9503  	// match: (MOVBstoreidx [i] {s} p idx (SRWconst [8] w) x:(MOVBstoreidx [i-1] {s} p idx w mem))
  9504  	// cond: x.Uses == 1   && clobber(x)
  9505  	// result: (MOVHBRstoreidx [i-1] {s} p idx w mem)
  9506  	for {
  9507  		i := v.AuxInt
  9508  		s := v.Aux
  9509  		p := v.Args[0]
  9510  		idx := v.Args[1]
  9511  		v_2 := v.Args[2]
  9512  		if v_2.Op != OpS390XSRWconst {
  9513  			break
  9514  		}
  9515  		if v_2.AuxInt != 8 {
  9516  			break
  9517  		}
  9518  		w := v_2.Args[0]
  9519  		x := v.Args[3]
  9520  		if x.Op != OpS390XMOVBstoreidx {
  9521  			break
  9522  		}
  9523  		if x.AuxInt != i-1 {
  9524  			break
  9525  		}
  9526  		if x.Aux != s {
  9527  			break
  9528  		}
  9529  		if p != x.Args[0] {
  9530  			break
  9531  		}
  9532  		if idx != x.Args[1] {
  9533  			break
  9534  		}
  9535  		if w != x.Args[2] {
  9536  			break
  9537  		}
  9538  		mem := x.Args[3]
  9539  		if !(x.Uses == 1 && clobber(x)) {
  9540  			break
  9541  		}
  9542  		v.reset(OpS390XMOVHBRstoreidx)
  9543  		v.AuxInt = i - 1
  9544  		v.Aux = s
  9545  		v.AddArg(p)
  9546  		v.AddArg(idx)
  9547  		v.AddArg(w)
  9548  		v.AddArg(mem)
  9549  		return true
  9550  	}
  9551  	// match: (MOVBstoreidx [i] {s} p idx (SRWconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx w0:(SRWconst [j-8] w) mem))
  9552  	// cond: x.Uses == 1   && clobber(x)
  9553  	// result: (MOVHBRstoreidx [i-1] {s} p idx w0 mem)
  9554  	for {
  9555  		i := v.AuxInt
  9556  		s := v.Aux
  9557  		p := v.Args[0]
  9558  		idx := v.Args[1]
  9559  		v_2 := v.Args[2]
  9560  		if v_2.Op != OpS390XSRWconst {
  9561  			break
  9562  		}
  9563  		j := v_2.AuxInt
  9564  		w := v_2.Args[0]
  9565  		x := v.Args[3]
  9566  		if x.Op != OpS390XMOVBstoreidx {
  9567  			break
  9568  		}
  9569  		if x.AuxInt != i-1 {
  9570  			break
  9571  		}
  9572  		if x.Aux != s {
  9573  			break
  9574  		}
  9575  		if p != x.Args[0] {
  9576  			break
  9577  		}
  9578  		if idx != x.Args[1] {
  9579  			break
  9580  		}
  9581  		w0 := x.Args[2]
  9582  		if w0.Op != OpS390XSRWconst {
  9583  			break
  9584  		}
  9585  		if w0.AuxInt != j-8 {
  9586  			break
  9587  		}
  9588  		if w != w0.Args[0] {
  9589  			break
  9590  		}
  9591  		mem := x.Args[3]
  9592  		if !(x.Uses == 1 && clobber(x)) {
  9593  			break
  9594  		}
  9595  		v.reset(OpS390XMOVHBRstoreidx)
  9596  		v.AuxInt = i - 1
  9597  		v.Aux = s
  9598  		v.AddArg(p)
  9599  		v.AddArg(idx)
  9600  		v.AddArg(w0)
  9601  		v.AddArg(mem)
  9602  		return true
  9603  	}
  9604  	return false
  9605  }
  9606  func rewriteValueS390X_OpS390XMOVDEQ(v *Value, config *Config) bool {
  9607  	b := v.Block
  9608  	_ = b
  9609  	// match: (MOVDEQ x y (InvertFlags cmp))
  9610  	// cond:
  9611  	// result: (MOVDEQ x y cmp)
  9612  	for {
  9613  		x := v.Args[0]
  9614  		y := v.Args[1]
  9615  		v_2 := v.Args[2]
  9616  		if v_2.Op != OpS390XInvertFlags {
  9617  			break
  9618  		}
  9619  		cmp := v_2.Args[0]
  9620  		v.reset(OpS390XMOVDEQ)
  9621  		v.AddArg(x)
  9622  		v.AddArg(y)
  9623  		v.AddArg(cmp)
  9624  		return true
  9625  	}
  9626  	// match: (MOVDEQ _ x (FlagEQ))
  9627  	// cond:
  9628  	// result: x
  9629  	for {
  9630  		x := v.Args[1]
  9631  		v_2 := v.Args[2]
  9632  		if v_2.Op != OpS390XFlagEQ {
  9633  			break
  9634  		}
  9635  		v.reset(OpCopy)
  9636  		v.Type = x.Type
  9637  		v.AddArg(x)
  9638  		return true
  9639  	}
  9640  	// match: (MOVDEQ y _ (FlagLT))
  9641  	// cond:
  9642  	// result: y
  9643  	for {
  9644  		y := v.Args[0]
  9645  		v_2 := v.Args[2]
  9646  		if v_2.Op != OpS390XFlagLT {
  9647  			break
  9648  		}
  9649  		v.reset(OpCopy)
  9650  		v.Type = y.Type
  9651  		v.AddArg(y)
  9652  		return true
  9653  	}
  9654  	// match: (MOVDEQ y _ (FlagGT))
  9655  	// cond:
  9656  	// result: y
  9657  	for {
  9658  		y := v.Args[0]
  9659  		v_2 := v.Args[2]
  9660  		if v_2.Op != OpS390XFlagGT {
  9661  			break
  9662  		}
  9663  		v.reset(OpCopy)
  9664  		v.Type = y.Type
  9665  		v.AddArg(y)
  9666  		return true
  9667  	}
  9668  	return false
  9669  }
  9670  func rewriteValueS390X_OpS390XMOVDGE(v *Value, config *Config) bool {
  9671  	b := v.Block
  9672  	_ = b
  9673  	// match: (MOVDGE x y (InvertFlags cmp))
  9674  	// cond:
  9675  	// result: (MOVDLE x y cmp)
  9676  	for {
  9677  		x := v.Args[0]
  9678  		y := v.Args[1]
  9679  		v_2 := v.Args[2]
  9680  		if v_2.Op != OpS390XInvertFlags {
  9681  			break
  9682  		}
  9683  		cmp := v_2.Args[0]
  9684  		v.reset(OpS390XMOVDLE)
  9685  		v.AddArg(x)
  9686  		v.AddArg(y)
  9687  		v.AddArg(cmp)
  9688  		return true
  9689  	}
  9690  	// match: (MOVDGE _ x (FlagEQ))
  9691  	// cond:
  9692  	// result: x
  9693  	for {
  9694  		x := v.Args[1]
  9695  		v_2 := v.Args[2]
  9696  		if v_2.Op != OpS390XFlagEQ {
  9697  			break
  9698  		}
  9699  		v.reset(OpCopy)
  9700  		v.Type = x.Type
  9701  		v.AddArg(x)
  9702  		return true
  9703  	}
  9704  	// match: (MOVDGE y _ (FlagLT))
  9705  	// cond:
  9706  	// result: y
  9707  	for {
  9708  		y := v.Args[0]
  9709  		v_2 := v.Args[2]
  9710  		if v_2.Op != OpS390XFlagLT {
  9711  			break
  9712  		}
  9713  		v.reset(OpCopy)
  9714  		v.Type = y.Type
  9715  		v.AddArg(y)
  9716  		return true
  9717  	}
  9718  	// match: (MOVDGE _ x (FlagGT))
  9719  	// cond:
  9720  	// result: x
  9721  	for {
  9722  		x := v.Args[1]
  9723  		v_2 := v.Args[2]
  9724  		if v_2.Op != OpS390XFlagGT {
  9725  			break
  9726  		}
  9727  		v.reset(OpCopy)
  9728  		v.Type = x.Type
  9729  		v.AddArg(x)
  9730  		return true
  9731  	}
  9732  	return false
  9733  }
  9734  func rewriteValueS390X_OpS390XMOVDGT(v *Value, config *Config) bool {
  9735  	b := v.Block
  9736  	_ = b
  9737  	// match: (MOVDGT x y (InvertFlags cmp))
  9738  	// cond:
  9739  	// result: (MOVDLT x y cmp)
  9740  	for {
  9741  		x := v.Args[0]
  9742  		y := v.Args[1]
  9743  		v_2 := v.Args[2]
  9744  		if v_2.Op != OpS390XInvertFlags {
  9745  			break
  9746  		}
  9747  		cmp := v_2.Args[0]
  9748  		v.reset(OpS390XMOVDLT)
  9749  		v.AddArg(x)
  9750  		v.AddArg(y)
  9751  		v.AddArg(cmp)
  9752  		return true
  9753  	}
  9754  	// match: (MOVDGT y _ (FlagEQ))
  9755  	// cond:
  9756  	// result: y
  9757  	for {
  9758  		y := v.Args[0]
  9759  		v_2 := v.Args[2]
  9760  		if v_2.Op != OpS390XFlagEQ {
  9761  			break
  9762  		}
  9763  		v.reset(OpCopy)
  9764  		v.Type = y.Type
  9765  		v.AddArg(y)
  9766  		return true
  9767  	}
  9768  	// match: (MOVDGT y _ (FlagLT))
  9769  	// cond:
  9770  	// result: y
  9771  	for {
  9772  		y := v.Args[0]
  9773  		v_2 := v.Args[2]
  9774  		if v_2.Op != OpS390XFlagLT {
  9775  			break
  9776  		}
  9777  		v.reset(OpCopy)
  9778  		v.Type = y.Type
  9779  		v.AddArg(y)
  9780  		return true
  9781  	}
  9782  	// match: (MOVDGT _ x (FlagGT))
  9783  	// cond:
  9784  	// result: x
  9785  	for {
  9786  		x := v.Args[1]
  9787  		v_2 := v.Args[2]
  9788  		if v_2.Op != OpS390XFlagGT {
  9789  			break
  9790  		}
  9791  		v.reset(OpCopy)
  9792  		v.Type = x.Type
  9793  		v.AddArg(x)
  9794  		return true
  9795  	}
  9796  	return false
  9797  }
  9798  func rewriteValueS390X_OpS390XMOVDLE(v *Value, config *Config) bool {
  9799  	b := v.Block
  9800  	_ = b
  9801  	// match: (MOVDLE x y (InvertFlags cmp))
  9802  	// cond:
  9803  	// result: (MOVDGE x y cmp)
  9804  	for {
  9805  		x := v.Args[0]
  9806  		y := v.Args[1]
  9807  		v_2 := v.Args[2]
  9808  		if v_2.Op != OpS390XInvertFlags {
  9809  			break
  9810  		}
  9811  		cmp := v_2.Args[0]
  9812  		v.reset(OpS390XMOVDGE)
  9813  		v.AddArg(x)
  9814  		v.AddArg(y)
  9815  		v.AddArg(cmp)
  9816  		return true
  9817  	}
  9818  	// match: (MOVDLE _ x (FlagEQ))
  9819  	// cond:
  9820  	// result: x
  9821  	for {
  9822  		x := v.Args[1]
  9823  		v_2 := v.Args[2]
  9824  		if v_2.Op != OpS390XFlagEQ {
  9825  			break
  9826  		}
  9827  		v.reset(OpCopy)
  9828  		v.Type = x.Type
  9829  		v.AddArg(x)
  9830  		return true
  9831  	}
  9832  	// match: (MOVDLE _ x (FlagLT))
  9833  	// cond:
  9834  	// result: x
  9835  	for {
  9836  		x := v.Args[1]
  9837  		v_2 := v.Args[2]
  9838  		if v_2.Op != OpS390XFlagLT {
  9839  			break
  9840  		}
  9841  		v.reset(OpCopy)
  9842  		v.Type = x.Type
  9843  		v.AddArg(x)
  9844  		return true
  9845  	}
  9846  	// match: (MOVDLE y _ (FlagGT))
  9847  	// cond:
  9848  	// result: y
  9849  	for {
  9850  		y := v.Args[0]
  9851  		v_2 := v.Args[2]
  9852  		if v_2.Op != OpS390XFlagGT {
  9853  			break
  9854  		}
  9855  		v.reset(OpCopy)
  9856  		v.Type = y.Type
  9857  		v.AddArg(y)
  9858  		return true
  9859  	}
  9860  	return false
  9861  }
  9862  func rewriteValueS390X_OpS390XMOVDLT(v *Value, config *Config) bool {
  9863  	b := v.Block
  9864  	_ = b
  9865  	// match: (MOVDLT x y (InvertFlags cmp))
  9866  	// cond:
  9867  	// result: (MOVDGT x y cmp)
  9868  	for {
  9869  		x := v.Args[0]
  9870  		y := v.Args[1]
  9871  		v_2 := v.Args[2]
  9872  		if v_2.Op != OpS390XInvertFlags {
  9873  			break
  9874  		}
  9875  		cmp := v_2.Args[0]
  9876  		v.reset(OpS390XMOVDGT)
  9877  		v.AddArg(x)
  9878  		v.AddArg(y)
  9879  		v.AddArg(cmp)
  9880  		return true
  9881  	}
  9882  	// match: (MOVDLT y _ (FlagEQ))
  9883  	// cond:
  9884  	// result: y
  9885  	for {
  9886  		y := v.Args[0]
  9887  		v_2 := v.Args[2]
  9888  		if v_2.Op != OpS390XFlagEQ {
  9889  			break
  9890  		}
  9891  		v.reset(OpCopy)
  9892  		v.Type = y.Type
  9893  		v.AddArg(y)
  9894  		return true
  9895  	}
  9896  	// match: (MOVDLT _ x (FlagLT))
  9897  	// cond:
  9898  	// result: x
  9899  	for {
  9900  		x := v.Args[1]
  9901  		v_2 := v.Args[2]
  9902  		if v_2.Op != OpS390XFlagLT {
  9903  			break
  9904  		}
  9905  		v.reset(OpCopy)
  9906  		v.Type = x.Type
  9907  		v.AddArg(x)
  9908  		return true
  9909  	}
  9910  	// match: (MOVDLT y _ (FlagGT))
  9911  	// cond:
  9912  	// result: y
  9913  	for {
  9914  		y := v.Args[0]
  9915  		v_2 := v.Args[2]
  9916  		if v_2.Op != OpS390XFlagGT {
  9917  			break
  9918  		}
  9919  		v.reset(OpCopy)
  9920  		v.Type = y.Type
  9921  		v.AddArg(y)
  9922  		return true
  9923  	}
  9924  	return false
  9925  }
  9926  func rewriteValueS390X_OpS390XMOVDNE(v *Value, config *Config) bool {
  9927  	b := v.Block
  9928  	_ = b
  9929  	// match: (MOVDNE x y (InvertFlags cmp))
  9930  	// cond:
  9931  	// result: (MOVDNE x y cmp)
  9932  	for {
  9933  		x := v.Args[0]
  9934  		y := v.Args[1]
  9935  		v_2 := v.Args[2]
  9936  		if v_2.Op != OpS390XInvertFlags {
  9937  			break
  9938  		}
  9939  		cmp := v_2.Args[0]
  9940  		v.reset(OpS390XMOVDNE)
  9941  		v.AddArg(x)
  9942  		v.AddArg(y)
  9943  		v.AddArg(cmp)
  9944  		return true
  9945  	}
  9946  	// match: (MOVDNE y _ (FlagEQ))
  9947  	// cond:
  9948  	// result: y
  9949  	for {
  9950  		y := v.Args[0]
  9951  		v_2 := v.Args[2]
  9952  		if v_2.Op != OpS390XFlagEQ {
  9953  			break
  9954  		}
  9955  		v.reset(OpCopy)
  9956  		v.Type = y.Type
  9957  		v.AddArg(y)
  9958  		return true
  9959  	}
  9960  	// match: (MOVDNE _ x (FlagLT))
  9961  	// cond:
  9962  	// result: x
  9963  	for {
  9964  		x := v.Args[1]
  9965  		v_2 := v.Args[2]
  9966  		if v_2.Op != OpS390XFlagLT {
  9967  			break
  9968  		}
  9969  		v.reset(OpCopy)
  9970  		v.Type = x.Type
  9971  		v.AddArg(x)
  9972  		return true
  9973  	}
  9974  	// match: (MOVDNE _ x (FlagGT))
  9975  	// cond:
  9976  	// result: x
  9977  	for {
  9978  		x := v.Args[1]
  9979  		v_2 := v.Args[2]
  9980  		if v_2.Op != OpS390XFlagGT {
  9981  			break
  9982  		}
  9983  		v.reset(OpCopy)
  9984  		v.Type = x.Type
  9985  		v.AddArg(x)
  9986  		return true
  9987  	}
  9988  	return false
  9989  }
  9990  func rewriteValueS390X_OpS390XMOVDaddridx(v *Value, config *Config) bool {
  9991  	b := v.Block
  9992  	_ = b
  9993  	// match: (MOVDaddridx [c] {s} (ADDconst [d] x) y)
  9994  	// cond: is20Bit(c+d) && x.Op != OpSB
  9995  	// result: (MOVDaddridx [c+d] {s} x y)
  9996  	for {
  9997  		c := v.AuxInt
  9998  		s := v.Aux
  9999  		v_0 := v.Args[0]
 10000  		if v_0.Op != OpS390XADDconst {
 10001  			break
 10002  		}
 10003  		d := v_0.AuxInt
 10004  		x := v_0.Args[0]
 10005  		y := v.Args[1]
 10006  		if !(is20Bit(c+d) && x.Op != OpSB) {
 10007  			break
 10008  		}
 10009  		v.reset(OpS390XMOVDaddridx)
 10010  		v.AuxInt = c + d
 10011  		v.Aux = s
 10012  		v.AddArg(x)
 10013  		v.AddArg(y)
 10014  		return true
 10015  	}
 10016  	// match: (MOVDaddridx [c] {s} x (ADDconst [d] y))
 10017  	// cond: is20Bit(c+d) && y.Op != OpSB
 10018  	// result: (MOVDaddridx [c+d] {s} x y)
 10019  	for {
 10020  		c := v.AuxInt
 10021  		s := v.Aux
 10022  		x := v.Args[0]
 10023  		v_1 := v.Args[1]
 10024  		if v_1.Op != OpS390XADDconst {
 10025  			break
 10026  		}
 10027  		d := v_1.AuxInt
 10028  		y := v_1.Args[0]
 10029  		if !(is20Bit(c+d) && y.Op != OpSB) {
 10030  			break
 10031  		}
 10032  		v.reset(OpS390XMOVDaddridx)
 10033  		v.AuxInt = c + d
 10034  		v.Aux = s
 10035  		v.AddArg(x)
 10036  		v.AddArg(y)
 10037  		return true
 10038  	}
 10039  	// match: (MOVDaddridx [off1] {sym1} (MOVDaddr [off2] {sym2} x) y)
 10040  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2) && x.Op != OpSB
 10041  	// result: (MOVDaddridx [off1+off2] {mergeSym(sym1,sym2)} x y)
 10042  	for {
 10043  		off1 := v.AuxInt
 10044  		sym1 := v.Aux
 10045  		v_0 := v.Args[0]
 10046  		if v_0.Op != OpS390XMOVDaddr {
 10047  			break
 10048  		}
 10049  		off2 := v_0.AuxInt
 10050  		sym2 := v_0.Aux
 10051  		x := v_0.Args[0]
 10052  		y := v.Args[1]
 10053  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
 10054  			break
 10055  		}
 10056  		v.reset(OpS390XMOVDaddridx)
 10057  		v.AuxInt = off1 + off2
 10058  		v.Aux = mergeSym(sym1, sym2)
 10059  		v.AddArg(x)
 10060  		v.AddArg(y)
 10061  		return true
 10062  	}
 10063  	// match: (MOVDaddridx [off1] {sym1} x (MOVDaddr [off2] {sym2} y))
 10064  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2) && y.Op != OpSB
 10065  	// result: (MOVDaddridx [off1+off2] {mergeSym(sym1,sym2)} x y)
 10066  	for {
 10067  		off1 := v.AuxInt
 10068  		sym1 := v.Aux
 10069  		x := v.Args[0]
 10070  		v_1 := v.Args[1]
 10071  		if v_1.Op != OpS390XMOVDaddr {
 10072  			break
 10073  		}
 10074  		off2 := v_1.AuxInt
 10075  		sym2 := v_1.Aux
 10076  		y := v_1.Args[0]
 10077  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2) && y.Op != OpSB) {
 10078  			break
 10079  		}
 10080  		v.reset(OpS390XMOVDaddridx)
 10081  		v.AuxInt = off1 + off2
 10082  		v.Aux = mergeSym(sym1, sym2)
 10083  		v.AddArg(x)
 10084  		v.AddArg(y)
 10085  		return true
 10086  	}
 10087  	return false
 10088  }
 10089  func rewriteValueS390X_OpS390XMOVDload(v *Value, config *Config) bool {
 10090  	b := v.Block
 10091  	_ = b
 10092  	// match: (MOVDload [off] {sym} ptr (MOVDstore [off2] {sym2} ptr2 x _))
 10093  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 10094  	// result: (MOVDreg x)
 10095  	for {
 10096  		off := v.AuxInt
 10097  		sym := v.Aux
 10098  		ptr := v.Args[0]
 10099  		v_1 := v.Args[1]
 10100  		if v_1.Op != OpS390XMOVDstore {
 10101  			break
 10102  		}
 10103  		off2 := v_1.AuxInt
 10104  		sym2 := v_1.Aux
 10105  		ptr2 := v_1.Args[0]
 10106  		x := v_1.Args[1]
 10107  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 10108  			break
 10109  		}
 10110  		v.reset(OpS390XMOVDreg)
 10111  		v.AddArg(x)
 10112  		return true
 10113  	}
 10114  	// match: (MOVDload   [off1] {sym} (ADDconst [off2] ptr) mem)
 10115  	// cond: is20Bit(off1+off2)
 10116  	// result: (MOVDload  [off1+off2] {sym} ptr mem)
 10117  	for {
 10118  		off1 := v.AuxInt
 10119  		sym := v.Aux
 10120  		v_0 := v.Args[0]
 10121  		if v_0.Op != OpS390XADDconst {
 10122  			break
 10123  		}
 10124  		off2 := v_0.AuxInt
 10125  		ptr := v_0.Args[0]
 10126  		mem := v.Args[1]
 10127  		if !(is20Bit(off1 + off2)) {
 10128  			break
 10129  		}
 10130  		v.reset(OpS390XMOVDload)
 10131  		v.AuxInt = off1 + off2
 10132  		v.Aux = sym
 10133  		v.AddArg(ptr)
 10134  		v.AddArg(mem)
 10135  		return true
 10136  	}
 10137  	// match: (MOVDload  [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 10138  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 10139  	// result: (MOVDload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
 10140  	for {
 10141  		off1 := v.AuxInt
 10142  		sym1 := v.Aux
 10143  		v_0 := v.Args[0]
 10144  		if v_0.Op != OpS390XMOVDaddr {
 10145  			break
 10146  		}
 10147  		off2 := v_0.AuxInt
 10148  		sym2 := v_0.Aux
 10149  		base := v_0.Args[0]
 10150  		mem := v.Args[1]
 10151  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 10152  			break
 10153  		}
 10154  		v.reset(OpS390XMOVDload)
 10155  		v.AuxInt = off1 + off2
 10156  		v.Aux = mergeSym(sym1, sym2)
 10157  		v.AddArg(base)
 10158  		v.AddArg(mem)
 10159  		return true
 10160  	}
 10161  	// match: (MOVDload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
 10162  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 10163  	// result: (MOVDloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
 10164  	for {
 10165  		off1 := v.AuxInt
 10166  		sym1 := v.Aux
 10167  		v_0 := v.Args[0]
 10168  		if v_0.Op != OpS390XMOVDaddridx {
 10169  			break
 10170  		}
 10171  		off2 := v_0.AuxInt
 10172  		sym2 := v_0.Aux
 10173  		ptr := v_0.Args[0]
 10174  		idx := v_0.Args[1]
 10175  		mem := v.Args[1]
 10176  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 10177  			break
 10178  		}
 10179  		v.reset(OpS390XMOVDloadidx)
 10180  		v.AuxInt = off1 + off2
 10181  		v.Aux = mergeSym(sym1, sym2)
 10182  		v.AddArg(ptr)
 10183  		v.AddArg(idx)
 10184  		v.AddArg(mem)
 10185  		return true
 10186  	}
 10187  	// match: (MOVDload [off] {sym} (ADD ptr idx) mem)
 10188  	// cond: ptr.Op != OpSB
 10189  	// result: (MOVDloadidx [off] {sym} ptr idx mem)
 10190  	for {
 10191  		off := v.AuxInt
 10192  		sym := v.Aux
 10193  		v_0 := v.Args[0]
 10194  		if v_0.Op != OpS390XADD {
 10195  			break
 10196  		}
 10197  		ptr := v_0.Args[0]
 10198  		idx := v_0.Args[1]
 10199  		mem := v.Args[1]
 10200  		if !(ptr.Op != OpSB) {
 10201  			break
 10202  		}
 10203  		v.reset(OpS390XMOVDloadidx)
 10204  		v.AuxInt = off
 10205  		v.Aux = sym
 10206  		v.AddArg(ptr)
 10207  		v.AddArg(idx)
 10208  		v.AddArg(mem)
 10209  		return true
 10210  	}
 10211  	return false
 10212  }
 10213  func rewriteValueS390X_OpS390XMOVDloadidx(v *Value, config *Config) bool {
 10214  	b := v.Block
 10215  	_ = b
 10216  	// match: (MOVDloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
 10217  	// cond:
 10218  	// result: (MOVDloadidx [c+d] {sym} ptr idx mem)
 10219  	for {
 10220  		c := v.AuxInt
 10221  		sym := v.Aux
 10222  		v_0 := v.Args[0]
 10223  		if v_0.Op != OpS390XADDconst {
 10224  			break
 10225  		}
 10226  		d := v_0.AuxInt
 10227  		ptr := v_0.Args[0]
 10228  		idx := v.Args[1]
 10229  		mem := v.Args[2]
 10230  		v.reset(OpS390XMOVDloadidx)
 10231  		v.AuxInt = c + d
 10232  		v.Aux = sym
 10233  		v.AddArg(ptr)
 10234  		v.AddArg(idx)
 10235  		v.AddArg(mem)
 10236  		return true
 10237  	}
 10238  	// match: (MOVDloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
 10239  	// cond:
 10240  	// result: (MOVDloadidx [c+d] {sym} ptr idx mem)
 10241  	for {
 10242  		c := v.AuxInt
 10243  		sym := v.Aux
 10244  		ptr := v.Args[0]
 10245  		v_1 := v.Args[1]
 10246  		if v_1.Op != OpS390XADDconst {
 10247  			break
 10248  		}
 10249  		d := v_1.AuxInt
 10250  		idx := v_1.Args[0]
 10251  		mem := v.Args[2]
 10252  		v.reset(OpS390XMOVDloadidx)
 10253  		v.AuxInt = c + d
 10254  		v.Aux = sym
 10255  		v.AddArg(ptr)
 10256  		v.AddArg(idx)
 10257  		v.AddArg(mem)
 10258  		return true
 10259  	}
 10260  	return false
 10261  }
 10262  func rewriteValueS390X_OpS390XMOVDnop(v *Value, config *Config) bool {
 10263  	b := v.Block
 10264  	_ = b
 10265  	// match: (MOVDnop <t> x)
 10266  	// cond: t.Compare(x.Type) == CMPeq
 10267  	// result: x
 10268  	for {
 10269  		t := v.Type
 10270  		x := v.Args[0]
 10271  		if !(t.Compare(x.Type) == CMPeq) {
 10272  			break
 10273  		}
 10274  		v.reset(OpCopy)
 10275  		v.Type = x.Type
 10276  		v.AddArg(x)
 10277  		return true
 10278  	}
 10279  	// match: (MOVDnop (MOVDconst [c]))
 10280  	// cond:
 10281  	// result: (MOVDconst [c])
 10282  	for {
 10283  		v_0 := v.Args[0]
 10284  		if v_0.Op != OpS390XMOVDconst {
 10285  			break
 10286  		}
 10287  		c := v_0.AuxInt
 10288  		v.reset(OpS390XMOVDconst)
 10289  		v.AuxInt = c
 10290  		return true
 10291  	}
 10292  	// match: (MOVDnop <t> x:(MOVBZload [off] {sym} ptr mem))
 10293  	// cond: x.Uses == 1 && clobber(x)
 10294  	// result: @x.Block (MOVBZload <t> [off] {sym} ptr mem)
 10295  	for {
 10296  		t := v.Type
 10297  		x := v.Args[0]
 10298  		if x.Op != OpS390XMOVBZload {
 10299  			break
 10300  		}
 10301  		off := x.AuxInt
 10302  		sym := x.Aux
 10303  		ptr := x.Args[0]
 10304  		mem := x.Args[1]
 10305  		if !(x.Uses == 1 && clobber(x)) {
 10306  			break
 10307  		}
 10308  		b = x.Block
 10309  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZload, t)
 10310  		v.reset(OpCopy)
 10311  		v.AddArg(v0)
 10312  		v0.AuxInt = off
 10313  		v0.Aux = sym
 10314  		v0.AddArg(ptr)
 10315  		v0.AddArg(mem)
 10316  		return true
 10317  	}
 10318  	// match: (MOVDnop <t> x:(MOVBload  [off] {sym} ptr mem))
 10319  	// cond: x.Uses == 1 && clobber(x)
 10320  	// result: @x.Block (MOVBload  <t> [off] {sym} ptr mem)
 10321  	for {
 10322  		t := v.Type
 10323  		x := v.Args[0]
 10324  		if x.Op != OpS390XMOVBload {
 10325  			break
 10326  		}
 10327  		off := x.AuxInt
 10328  		sym := x.Aux
 10329  		ptr := x.Args[0]
 10330  		mem := x.Args[1]
 10331  		if !(x.Uses == 1 && clobber(x)) {
 10332  			break
 10333  		}
 10334  		b = x.Block
 10335  		v0 := b.NewValue0(v.Pos, OpS390XMOVBload, t)
 10336  		v.reset(OpCopy)
 10337  		v.AddArg(v0)
 10338  		v0.AuxInt = off
 10339  		v0.Aux = sym
 10340  		v0.AddArg(ptr)
 10341  		v0.AddArg(mem)
 10342  		return true
 10343  	}
 10344  	// match: (MOVDnop <t> x:(MOVHZload [off] {sym} ptr mem))
 10345  	// cond: x.Uses == 1 && clobber(x)
 10346  	// result: @x.Block (MOVHZload <t> [off] {sym} ptr mem)
 10347  	for {
 10348  		t := v.Type
 10349  		x := v.Args[0]
 10350  		if x.Op != OpS390XMOVHZload {
 10351  			break
 10352  		}
 10353  		off := x.AuxInt
 10354  		sym := x.Aux
 10355  		ptr := x.Args[0]
 10356  		mem := x.Args[1]
 10357  		if !(x.Uses == 1 && clobber(x)) {
 10358  			break
 10359  		}
 10360  		b = x.Block
 10361  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZload, t)
 10362  		v.reset(OpCopy)
 10363  		v.AddArg(v0)
 10364  		v0.AuxInt = off
 10365  		v0.Aux = sym
 10366  		v0.AddArg(ptr)
 10367  		v0.AddArg(mem)
 10368  		return true
 10369  	}
 10370  	// match: (MOVDnop <t> x:(MOVHload  [off] {sym} ptr mem))
 10371  	// cond: x.Uses == 1 && clobber(x)
 10372  	// result: @x.Block (MOVHload  <t> [off] {sym} ptr mem)
 10373  	for {
 10374  		t := v.Type
 10375  		x := v.Args[0]
 10376  		if x.Op != OpS390XMOVHload {
 10377  			break
 10378  		}
 10379  		off := x.AuxInt
 10380  		sym := x.Aux
 10381  		ptr := x.Args[0]
 10382  		mem := x.Args[1]
 10383  		if !(x.Uses == 1 && clobber(x)) {
 10384  			break
 10385  		}
 10386  		b = x.Block
 10387  		v0 := b.NewValue0(v.Pos, OpS390XMOVHload, t)
 10388  		v.reset(OpCopy)
 10389  		v.AddArg(v0)
 10390  		v0.AuxInt = off
 10391  		v0.Aux = sym
 10392  		v0.AddArg(ptr)
 10393  		v0.AddArg(mem)
 10394  		return true
 10395  	}
 10396  	// match: (MOVDnop <t> x:(MOVWZload [off] {sym} ptr mem))
 10397  	// cond: x.Uses == 1 && clobber(x)
 10398  	// result: @x.Block (MOVWZload <t> [off] {sym} ptr mem)
 10399  	for {
 10400  		t := v.Type
 10401  		x := v.Args[0]
 10402  		if x.Op != OpS390XMOVWZload {
 10403  			break
 10404  		}
 10405  		off := x.AuxInt
 10406  		sym := x.Aux
 10407  		ptr := x.Args[0]
 10408  		mem := x.Args[1]
 10409  		if !(x.Uses == 1 && clobber(x)) {
 10410  			break
 10411  		}
 10412  		b = x.Block
 10413  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZload, t)
 10414  		v.reset(OpCopy)
 10415  		v.AddArg(v0)
 10416  		v0.AuxInt = off
 10417  		v0.Aux = sym
 10418  		v0.AddArg(ptr)
 10419  		v0.AddArg(mem)
 10420  		return true
 10421  	}
 10422  	// match: (MOVDnop <t> x:(MOVWload  [off] {sym} ptr mem))
 10423  	// cond: x.Uses == 1 && clobber(x)
 10424  	// result: @x.Block (MOVWload  <t> [off] {sym} ptr mem)
 10425  	for {
 10426  		t := v.Type
 10427  		x := v.Args[0]
 10428  		if x.Op != OpS390XMOVWload {
 10429  			break
 10430  		}
 10431  		off := x.AuxInt
 10432  		sym := x.Aux
 10433  		ptr := x.Args[0]
 10434  		mem := x.Args[1]
 10435  		if !(x.Uses == 1 && clobber(x)) {
 10436  			break
 10437  		}
 10438  		b = x.Block
 10439  		v0 := b.NewValue0(v.Pos, OpS390XMOVWload, t)
 10440  		v.reset(OpCopy)
 10441  		v.AddArg(v0)
 10442  		v0.AuxInt = off
 10443  		v0.Aux = sym
 10444  		v0.AddArg(ptr)
 10445  		v0.AddArg(mem)
 10446  		return true
 10447  	}
 10448  	// match: (MOVDnop <t> x:(MOVDload  [off] {sym} ptr mem))
 10449  	// cond: x.Uses == 1 && clobber(x)
 10450  	// result: @x.Block (MOVDload  <t> [off] {sym} ptr mem)
 10451  	for {
 10452  		t := v.Type
 10453  		x := v.Args[0]
 10454  		if x.Op != OpS390XMOVDload {
 10455  			break
 10456  		}
 10457  		off := x.AuxInt
 10458  		sym := x.Aux
 10459  		ptr := x.Args[0]
 10460  		mem := x.Args[1]
 10461  		if !(x.Uses == 1 && clobber(x)) {
 10462  			break
 10463  		}
 10464  		b = x.Block
 10465  		v0 := b.NewValue0(v.Pos, OpS390XMOVDload, t)
 10466  		v.reset(OpCopy)
 10467  		v.AddArg(v0)
 10468  		v0.AuxInt = off
 10469  		v0.Aux = sym
 10470  		v0.AddArg(ptr)
 10471  		v0.AddArg(mem)
 10472  		return true
 10473  	}
 10474  	// match: (MOVDnop <t> x:(MOVBZloadidx [off] {sym} ptr idx mem))
 10475  	// cond: x.Uses == 1 && clobber(x)
 10476  	// result: @x.Block (MOVBZloadidx <t> [off] {sym} ptr idx mem)
 10477  	for {
 10478  		t := v.Type
 10479  		x := v.Args[0]
 10480  		if x.Op != OpS390XMOVBZloadidx {
 10481  			break
 10482  		}
 10483  		off := x.AuxInt
 10484  		sym := x.Aux
 10485  		ptr := x.Args[0]
 10486  		idx := x.Args[1]
 10487  		mem := x.Args[2]
 10488  		if !(x.Uses == 1 && clobber(x)) {
 10489  			break
 10490  		}
 10491  		b = x.Block
 10492  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZloadidx, t)
 10493  		v.reset(OpCopy)
 10494  		v.AddArg(v0)
 10495  		v0.AuxInt = off
 10496  		v0.Aux = sym
 10497  		v0.AddArg(ptr)
 10498  		v0.AddArg(idx)
 10499  		v0.AddArg(mem)
 10500  		return true
 10501  	}
 10502  	// match: (MOVDnop <t> x:(MOVHZloadidx [off] {sym} ptr idx mem))
 10503  	// cond: x.Uses == 1 && clobber(x)
 10504  	// result: @x.Block (MOVHZloadidx <t> [off] {sym} ptr idx mem)
 10505  	for {
 10506  		t := v.Type
 10507  		x := v.Args[0]
 10508  		if x.Op != OpS390XMOVHZloadidx {
 10509  			break
 10510  		}
 10511  		off := x.AuxInt
 10512  		sym := x.Aux
 10513  		ptr := x.Args[0]
 10514  		idx := x.Args[1]
 10515  		mem := x.Args[2]
 10516  		if !(x.Uses == 1 && clobber(x)) {
 10517  			break
 10518  		}
 10519  		b = x.Block
 10520  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, t)
 10521  		v.reset(OpCopy)
 10522  		v.AddArg(v0)
 10523  		v0.AuxInt = off
 10524  		v0.Aux = sym
 10525  		v0.AddArg(ptr)
 10526  		v0.AddArg(idx)
 10527  		v0.AddArg(mem)
 10528  		return true
 10529  	}
 10530  	// match: (MOVDnop <t> x:(MOVWZloadidx [off] {sym} ptr idx mem))
 10531  	// cond: x.Uses == 1 && clobber(x)
 10532  	// result: @x.Block (MOVWZloadidx <t> [off] {sym} ptr idx mem)
 10533  	for {
 10534  		t := v.Type
 10535  		x := v.Args[0]
 10536  		if x.Op != OpS390XMOVWZloadidx {
 10537  			break
 10538  		}
 10539  		off := x.AuxInt
 10540  		sym := x.Aux
 10541  		ptr := x.Args[0]
 10542  		idx := x.Args[1]
 10543  		mem := x.Args[2]
 10544  		if !(x.Uses == 1 && clobber(x)) {
 10545  			break
 10546  		}
 10547  		b = x.Block
 10548  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, t)
 10549  		v.reset(OpCopy)
 10550  		v.AddArg(v0)
 10551  		v0.AuxInt = off
 10552  		v0.Aux = sym
 10553  		v0.AddArg(ptr)
 10554  		v0.AddArg(idx)
 10555  		v0.AddArg(mem)
 10556  		return true
 10557  	}
 10558  	// match: (MOVDnop <t> x:(MOVDloadidx  [off] {sym} ptr idx mem))
 10559  	// cond: x.Uses == 1 && clobber(x)
 10560  	// result: @x.Block (MOVDloadidx  <t> [off] {sym} ptr idx mem)
 10561  	for {
 10562  		t := v.Type
 10563  		x := v.Args[0]
 10564  		if x.Op != OpS390XMOVDloadidx {
 10565  			break
 10566  		}
 10567  		off := x.AuxInt
 10568  		sym := x.Aux
 10569  		ptr := x.Args[0]
 10570  		idx := x.Args[1]
 10571  		mem := x.Args[2]
 10572  		if !(x.Uses == 1 && clobber(x)) {
 10573  			break
 10574  		}
 10575  		b = x.Block
 10576  		v0 := b.NewValue0(v.Pos, OpS390XMOVDloadidx, t)
 10577  		v.reset(OpCopy)
 10578  		v.AddArg(v0)
 10579  		v0.AuxInt = off
 10580  		v0.Aux = sym
 10581  		v0.AddArg(ptr)
 10582  		v0.AddArg(idx)
 10583  		v0.AddArg(mem)
 10584  		return true
 10585  	}
 10586  	return false
 10587  }
 10588  func rewriteValueS390X_OpS390XMOVDreg(v *Value, config *Config) bool {
 10589  	b := v.Block
 10590  	_ = b
 10591  	// match: (MOVDreg <t> x)
 10592  	// cond: t.Compare(x.Type) == CMPeq
 10593  	// result: x
 10594  	for {
 10595  		t := v.Type
 10596  		x := v.Args[0]
 10597  		if !(t.Compare(x.Type) == CMPeq) {
 10598  			break
 10599  		}
 10600  		v.reset(OpCopy)
 10601  		v.Type = x.Type
 10602  		v.AddArg(x)
 10603  		return true
 10604  	}
 10605  	// match: (MOVDreg (MOVDconst [c]))
 10606  	// cond:
 10607  	// result: (MOVDconst [c])
 10608  	for {
 10609  		v_0 := v.Args[0]
 10610  		if v_0.Op != OpS390XMOVDconst {
 10611  			break
 10612  		}
 10613  		c := v_0.AuxInt
 10614  		v.reset(OpS390XMOVDconst)
 10615  		v.AuxInt = c
 10616  		return true
 10617  	}
 10618  	// match: (MOVDreg x)
 10619  	// cond: x.Uses == 1
 10620  	// result: (MOVDnop x)
 10621  	for {
 10622  		x := v.Args[0]
 10623  		if !(x.Uses == 1) {
 10624  			break
 10625  		}
 10626  		v.reset(OpS390XMOVDnop)
 10627  		v.AddArg(x)
 10628  		return true
 10629  	}
 10630  	// match: (MOVDreg <t> x:(MOVBZload [off] {sym} ptr mem))
 10631  	// cond: x.Uses == 1 && clobber(x)
 10632  	// result: @x.Block (MOVBZload <t> [off] {sym} ptr mem)
 10633  	for {
 10634  		t := v.Type
 10635  		x := v.Args[0]
 10636  		if x.Op != OpS390XMOVBZload {
 10637  			break
 10638  		}
 10639  		off := x.AuxInt
 10640  		sym := x.Aux
 10641  		ptr := x.Args[0]
 10642  		mem := x.Args[1]
 10643  		if !(x.Uses == 1 && clobber(x)) {
 10644  			break
 10645  		}
 10646  		b = x.Block
 10647  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZload, t)
 10648  		v.reset(OpCopy)
 10649  		v.AddArg(v0)
 10650  		v0.AuxInt = off
 10651  		v0.Aux = sym
 10652  		v0.AddArg(ptr)
 10653  		v0.AddArg(mem)
 10654  		return true
 10655  	}
 10656  	// match: (MOVDreg <t> x:(MOVBload  [off] {sym} ptr mem))
 10657  	// cond: x.Uses == 1 && clobber(x)
 10658  	// result: @x.Block (MOVBload  <t> [off] {sym} ptr mem)
 10659  	for {
 10660  		t := v.Type
 10661  		x := v.Args[0]
 10662  		if x.Op != OpS390XMOVBload {
 10663  			break
 10664  		}
 10665  		off := x.AuxInt
 10666  		sym := x.Aux
 10667  		ptr := x.Args[0]
 10668  		mem := x.Args[1]
 10669  		if !(x.Uses == 1 && clobber(x)) {
 10670  			break
 10671  		}
 10672  		b = x.Block
 10673  		v0 := b.NewValue0(v.Pos, OpS390XMOVBload, t)
 10674  		v.reset(OpCopy)
 10675  		v.AddArg(v0)
 10676  		v0.AuxInt = off
 10677  		v0.Aux = sym
 10678  		v0.AddArg(ptr)
 10679  		v0.AddArg(mem)
 10680  		return true
 10681  	}
 10682  	// match: (MOVDreg <t> x:(MOVHZload [off] {sym} ptr mem))
 10683  	// cond: x.Uses == 1 && clobber(x)
 10684  	// result: @x.Block (MOVHZload <t> [off] {sym} ptr mem)
 10685  	for {
 10686  		t := v.Type
 10687  		x := v.Args[0]
 10688  		if x.Op != OpS390XMOVHZload {
 10689  			break
 10690  		}
 10691  		off := x.AuxInt
 10692  		sym := x.Aux
 10693  		ptr := x.Args[0]
 10694  		mem := x.Args[1]
 10695  		if !(x.Uses == 1 && clobber(x)) {
 10696  			break
 10697  		}
 10698  		b = x.Block
 10699  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZload, t)
 10700  		v.reset(OpCopy)
 10701  		v.AddArg(v0)
 10702  		v0.AuxInt = off
 10703  		v0.Aux = sym
 10704  		v0.AddArg(ptr)
 10705  		v0.AddArg(mem)
 10706  		return true
 10707  	}
 10708  	// match: (MOVDreg <t> x:(MOVHload  [off] {sym} ptr mem))
 10709  	// cond: x.Uses == 1 && clobber(x)
 10710  	// result: @x.Block (MOVHload  <t> [off] {sym} ptr mem)
 10711  	for {
 10712  		t := v.Type
 10713  		x := v.Args[0]
 10714  		if x.Op != OpS390XMOVHload {
 10715  			break
 10716  		}
 10717  		off := x.AuxInt
 10718  		sym := x.Aux
 10719  		ptr := x.Args[0]
 10720  		mem := x.Args[1]
 10721  		if !(x.Uses == 1 && clobber(x)) {
 10722  			break
 10723  		}
 10724  		b = x.Block
 10725  		v0 := b.NewValue0(v.Pos, OpS390XMOVHload, t)
 10726  		v.reset(OpCopy)
 10727  		v.AddArg(v0)
 10728  		v0.AuxInt = off
 10729  		v0.Aux = sym
 10730  		v0.AddArg(ptr)
 10731  		v0.AddArg(mem)
 10732  		return true
 10733  	}
 10734  	// match: (MOVDreg <t> x:(MOVWZload [off] {sym} ptr mem))
 10735  	// cond: x.Uses == 1 && clobber(x)
 10736  	// result: @x.Block (MOVWZload <t> [off] {sym} ptr mem)
 10737  	for {
 10738  		t := v.Type
 10739  		x := v.Args[0]
 10740  		if x.Op != OpS390XMOVWZload {
 10741  			break
 10742  		}
 10743  		off := x.AuxInt
 10744  		sym := x.Aux
 10745  		ptr := x.Args[0]
 10746  		mem := x.Args[1]
 10747  		if !(x.Uses == 1 && clobber(x)) {
 10748  			break
 10749  		}
 10750  		b = x.Block
 10751  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZload, t)
 10752  		v.reset(OpCopy)
 10753  		v.AddArg(v0)
 10754  		v0.AuxInt = off
 10755  		v0.Aux = sym
 10756  		v0.AddArg(ptr)
 10757  		v0.AddArg(mem)
 10758  		return true
 10759  	}
 10760  	// match: (MOVDreg <t> x:(MOVWload  [off] {sym} ptr mem))
 10761  	// cond: x.Uses == 1 && clobber(x)
 10762  	// result: @x.Block (MOVWload  <t> [off] {sym} ptr mem)
 10763  	for {
 10764  		t := v.Type
 10765  		x := v.Args[0]
 10766  		if x.Op != OpS390XMOVWload {
 10767  			break
 10768  		}
 10769  		off := x.AuxInt
 10770  		sym := x.Aux
 10771  		ptr := x.Args[0]
 10772  		mem := x.Args[1]
 10773  		if !(x.Uses == 1 && clobber(x)) {
 10774  			break
 10775  		}
 10776  		b = x.Block
 10777  		v0 := b.NewValue0(v.Pos, OpS390XMOVWload, t)
 10778  		v.reset(OpCopy)
 10779  		v.AddArg(v0)
 10780  		v0.AuxInt = off
 10781  		v0.Aux = sym
 10782  		v0.AddArg(ptr)
 10783  		v0.AddArg(mem)
 10784  		return true
 10785  	}
 10786  	// match: (MOVDreg <t> x:(MOVDload  [off] {sym} ptr mem))
 10787  	// cond: x.Uses == 1 && clobber(x)
 10788  	// result: @x.Block (MOVDload  <t> [off] {sym} ptr mem)
 10789  	for {
 10790  		t := v.Type
 10791  		x := v.Args[0]
 10792  		if x.Op != OpS390XMOVDload {
 10793  			break
 10794  		}
 10795  		off := x.AuxInt
 10796  		sym := x.Aux
 10797  		ptr := x.Args[0]
 10798  		mem := x.Args[1]
 10799  		if !(x.Uses == 1 && clobber(x)) {
 10800  			break
 10801  		}
 10802  		b = x.Block
 10803  		v0 := b.NewValue0(v.Pos, OpS390XMOVDload, t)
 10804  		v.reset(OpCopy)
 10805  		v.AddArg(v0)
 10806  		v0.AuxInt = off
 10807  		v0.Aux = sym
 10808  		v0.AddArg(ptr)
 10809  		v0.AddArg(mem)
 10810  		return true
 10811  	}
 10812  	// match: (MOVDreg <t> x:(MOVBZloadidx [off] {sym} ptr idx mem))
 10813  	// cond: x.Uses == 1 && clobber(x)
 10814  	// result: @x.Block (MOVBZloadidx <t> [off] {sym} ptr idx mem)
 10815  	for {
 10816  		t := v.Type
 10817  		x := v.Args[0]
 10818  		if x.Op != OpS390XMOVBZloadidx {
 10819  			break
 10820  		}
 10821  		off := x.AuxInt
 10822  		sym := x.Aux
 10823  		ptr := x.Args[0]
 10824  		idx := x.Args[1]
 10825  		mem := x.Args[2]
 10826  		if !(x.Uses == 1 && clobber(x)) {
 10827  			break
 10828  		}
 10829  		b = x.Block
 10830  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZloadidx, t)
 10831  		v.reset(OpCopy)
 10832  		v.AddArg(v0)
 10833  		v0.AuxInt = off
 10834  		v0.Aux = sym
 10835  		v0.AddArg(ptr)
 10836  		v0.AddArg(idx)
 10837  		v0.AddArg(mem)
 10838  		return true
 10839  	}
 10840  	// match: (MOVDreg <t> x:(MOVHZloadidx [off] {sym} ptr idx mem))
 10841  	// cond: x.Uses == 1 && clobber(x)
 10842  	// result: @x.Block (MOVHZloadidx <t> [off] {sym} ptr idx mem)
 10843  	for {
 10844  		t := v.Type
 10845  		x := v.Args[0]
 10846  		if x.Op != OpS390XMOVHZloadidx {
 10847  			break
 10848  		}
 10849  		off := x.AuxInt
 10850  		sym := x.Aux
 10851  		ptr := x.Args[0]
 10852  		idx := x.Args[1]
 10853  		mem := x.Args[2]
 10854  		if !(x.Uses == 1 && clobber(x)) {
 10855  			break
 10856  		}
 10857  		b = x.Block
 10858  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, t)
 10859  		v.reset(OpCopy)
 10860  		v.AddArg(v0)
 10861  		v0.AuxInt = off
 10862  		v0.Aux = sym
 10863  		v0.AddArg(ptr)
 10864  		v0.AddArg(idx)
 10865  		v0.AddArg(mem)
 10866  		return true
 10867  	}
 10868  	// match: (MOVDreg <t> x:(MOVWZloadidx [off] {sym} ptr idx mem))
 10869  	// cond: x.Uses == 1 && clobber(x)
 10870  	// result: @x.Block (MOVWZloadidx <t> [off] {sym} ptr idx mem)
 10871  	for {
 10872  		t := v.Type
 10873  		x := v.Args[0]
 10874  		if x.Op != OpS390XMOVWZloadidx {
 10875  			break
 10876  		}
 10877  		off := x.AuxInt
 10878  		sym := x.Aux
 10879  		ptr := x.Args[0]
 10880  		idx := x.Args[1]
 10881  		mem := x.Args[2]
 10882  		if !(x.Uses == 1 && clobber(x)) {
 10883  			break
 10884  		}
 10885  		b = x.Block
 10886  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, t)
 10887  		v.reset(OpCopy)
 10888  		v.AddArg(v0)
 10889  		v0.AuxInt = off
 10890  		v0.Aux = sym
 10891  		v0.AddArg(ptr)
 10892  		v0.AddArg(idx)
 10893  		v0.AddArg(mem)
 10894  		return true
 10895  	}
 10896  	// match: (MOVDreg <t> x:(MOVDloadidx  [off] {sym} ptr idx mem))
 10897  	// cond: x.Uses == 1 && clobber(x)
 10898  	// result: @x.Block (MOVDloadidx  <t> [off] {sym} ptr idx mem)
 10899  	for {
 10900  		t := v.Type
 10901  		x := v.Args[0]
 10902  		if x.Op != OpS390XMOVDloadidx {
 10903  			break
 10904  		}
 10905  		off := x.AuxInt
 10906  		sym := x.Aux
 10907  		ptr := x.Args[0]
 10908  		idx := x.Args[1]
 10909  		mem := x.Args[2]
 10910  		if !(x.Uses == 1 && clobber(x)) {
 10911  			break
 10912  		}
 10913  		b = x.Block
 10914  		v0 := b.NewValue0(v.Pos, OpS390XMOVDloadidx, t)
 10915  		v.reset(OpCopy)
 10916  		v.AddArg(v0)
 10917  		v0.AuxInt = off
 10918  		v0.Aux = sym
 10919  		v0.AddArg(ptr)
 10920  		v0.AddArg(idx)
 10921  		v0.AddArg(mem)
 10922  		return true
 10923  	}
 10924  	return false
 10925  }
 10926  func rewriteValueS390X_OpS390XMOVDstore(v *Value, config *Config) bool {
 10927  	b := v.Block
 10928  	_ = b
 10929  	// match: (MOVDstore  [off1] {sym} (ADDconst [off2] ptr) val mem)
 10930  	// cond: is20Bit(off1+off2)
 10931  	// result: (MOVDstore  [off1+off2] {sym} ptr val mem)
 10932  	for {
 10933  		off1 := v.AuxInt
 10934  		sym := v.Aux
 10935  		v_0 := v.Args[0]
 10936  		if v_0.Op != OpS390XADDconst {
 10937  			break
 10938  		}
 10939  		off2 := v_0.AuxInt
 10940  		ptr := v_0.Args[0]
 10941  		val := v.Args[1]
 10942  		mem := v.Args[2]
 10943  		if !(is20Bit(off1 + off2)) {
 10944  			break
 10945  		}
 10946  		v.reset(OpS390XMOVDstore)
 10947  		v.AuxInt = off1 + off2
 10948  		v.Aux = sym
 10949  		v.AddArg(ptr)
 10950  		v.AddArg(val)
 10951  		v.AddArg(mem)
 10952  		return true
 10953  	}
 10954  	// match: (MOVDstore [off] {sym} ptr (MOVDconst [c]) mem)
 10955  	// cond: validValAndOff(c,off) && int64(int16(c)) == c && ptr.Op != OpSB
 10956  	// result: (MOVDstoreconst [makeValAndOff(c,off)] {sym} ptr mem)
 10957  	for {
 10958  		off := v.AuxInt
 10959  		sym := v.Aux
 10960  		ptr := v.Args[0]
 10961  		v_1 := v.Args[1]
 10962  		if v_1.Op != OpS390XMOVDconst {
 10963  			break
 10964  		}
 10965  		c := v_1.AuxInt
 10966  		mem := v.Args[2]
 10967  		if !(validValAndOff(c, off) && int64(int16(c)) == c && ptr.Op != OpSB) {
 10968  			break
 10969  		}
 10970  		v.reset(OpS390XMOVDstoreconst)
 10971  		v.AuxInt = makeValAndOff(c, off)
 10972  		v.Aux = sym
 10973  		v.AddArg(ptr)
 10974  		v.AddArg(mem)
 10975  		return true
 10976  	}
 10977  	// match: (MOVDstore  [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
 10978  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 10979  	// result: (MOVDstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
 10980  	for {
 10981  		off1 := v.AuxInt
 10982  		sym1 := v.Aux
 10983  		v_0 := v.Args[0]
 10984  		if v_0.Op != OpS390XMOVDaddr {
 10985  			break
 10986  		}
 10987  		off2 := v_0.AuxInt
 10988  		sym2 := v_0.Aux
 10989  		base := v_0.Args[0]
 10990  		val := v.Args[1]
 10991  		mem := v.Args[2]
 10992  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 10993  			break
 10994  		}
 10995  		v.reset(OpS390XMOVDstore)
 10996  		v.AuxInt = off1 + off2
 10997  		v.Aux = mergeSym(sym1, sym2)
 10998  		v.AddArg(base)
 10999  		v.AddArg(val)
 11000  		v.AddArg(mem)
 11001  		return true
 11002  	}
 11003  	// match: (MOVDstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
 11004  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11005  	// result: (MOVDstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
 11006  	for {
 11007  		off1 := v.AuxInt
 11008  		sym1 := v.Aux
 11009  		v_0 := v.Args[0]
 11010  		if v_0.Op != OpS390XMOVDaddridx {
 11011  			break
 11012  		}
 11013  		off2 := v_0.AuxInt
 11014  		sym2 := v_0.Aux
 11015  		ptr := v_0.Args[0]
 11016  		idx := v_0.Args[1]
 11017  		val := v.Args[1]
 11018  		mem := v.Args[2]
 11019  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11020  			break
 11021  		}
 11022  		v.reset(OpS390XMOVDstoreidx)
 11023  		v.AuxInt = off1 + off2
 11024  		v.Aux = mergeSym(sym1, sym2)
 11025  		v.AddArg(ptr)
 11026  		v.AddArg(idx)
 11027  		v.AddArg(val)
 11028  		v.AddArg(mem)
 11029  		return true
 11030  	}
 11031  	// match: (MOVDstore [off] {sym} (ADD ptr idx) val mem)
 11032  	// cond: ptr.Op != OpSB
 11033  	// result: (MOVDstoreidx [off] {sym} ptr idx val mem)
 11034  	for {
 11035  		off := v.AuxInt
 11036  		sym := v.Aux
 11037  		v_0 := v.Args[0]
 11038  		if v_0.Op != OpS390XADD {
 11039  			break
 11040  		}
 11041  		ptr := v_0.Args[0]
 11042  		idx := v_0.Args[1]
 11043  		val := v.Args[1]
 11044  		mem := v.Args[2]
 11045  		if !(ptr.Op != OpSB) {
 11046  			break
 11047  		}
 11048  		v.reset(OpS390XMOVDstoreidx)
 11049  		v.AuxInt = off
 11050  		v.Aux = sym
 11051  		v.AddArg(ptr)
 11052  		v.AddArg(idx)
 11053  		v.AddArg(val)
 11054  		v.AddArg(mem)
 11055  		return true
 11056  	}
 11057  	// match: (MOVDstore [i] {s} p w1 x:(MOVDstore [i-8] {s} p w0 mem))
 11058  	// cond: p.Op != OpSB   && x.Uses == 1   && is20Bit(i-8)   && clobber(x)
 11059  	// result: (STMG2 [i-8] {s} p w0 w1 mem)
 11060  	for {
 11061  		i := v.AuxInt
 11062  		s := v.Aux
 11063  		p := v.Args[0]
 11064  		w1 := v.Args[1]
 11065  		x := v.Args[2]
 11066  		if x.Op != OpS390XMOVDstore {
 11067  			break
 11068  		}
 11069  		if x.AuxInt != i-8 {
 11070  			break
 11071  		}
 11072  		if x.Aux != s {
 11073  			break
 11074  		}
 11075  		if p != x.Args[0] {
 11076  			break
 11077  		}
 11078  		w0 := x.Args[1]
 11079  		mem := x.Args[2]
 11080  		if !(p.Op != OpSB && x.Uses == 1 && is20Bit(i-8) && clobber(x)) {
 11081  			break
 11082  		}
 11083  		v.reset(OpS390XSTMG2)
 11084  		v.AuxInt = i - 8
 11085  		v.Aux = s
 11086  		v.AddArg(p)
 11087  		v.AddArg(w0)
 11088  		v.AddArg(w1)
 11089  		v.AddArg(mem)
 11090  		return true
 11091  	}
 11092  	// match: (MOVDstore [i] {s} p w2 x:(STMG2 [i-16] {s} p w0 w1 mem))
 11093  	// cond: x.Uses == 1   && is20Bit(i-16)   && clobber(x)
 11094  	// result: (STMG3 [i-16] {s} p w0 w1 w2 mem)
 11095  	for {
 11096  		i := v.AuxInt
 11097  		s := v.Aux
 11098  		p := v.Args[0]
 11099  		w2 := v.Args[1]
 11100  		x := v.Args[2]
 11101  		if x.Op != OpS390XSTMG2 {
 11102  			break
 11103  		}
 11104  		if x.AuxInt != i-16 {
 11105  			break
 11106  		}
 11107  		if x.Aux != s {
 11108  			break
 11109  		}
 11110  		if p != x.Args[0] {
 11111  			break
 11112  		}
 11113  		w0 := x.Args[1]
 11114  		w1 := x.Args[2]
 11115  		mem := x.Args[3]
 11116  		if !(x.Uses == 1 && is20Bit(i-16) && clobber(x)) {
 11117  			break
 11118  		}
 11119  		v.reset(OpS390XSTMG3)
 11120  		v.AuxInt = i - 16
 11121  		v.Aux = s
 11122  		v.AddArg(p)
 11123  		v.AddArg(w0)
 11124  		v.AddArg(w1)
 11125  		v.AddArg(w2)
 11126  		v.AddArg(mem)
 11127  		return true
 11128  	}
 11129  	// match: (MOVDstore [i] {s} p w3 x:(STMG3 [i-24] {s} p w0 w1 w2 mem))
 11130  	// cond: x.Uses == 1   && is20Bit(i-24)   && clobber(x)
 11131  	// result: (STMG4 [i-24] {s} p w0 w1 w2 w3 mem)
 11132  	for {
 11133  		i := v.AuxInt
 11134  		s := v.Aux
 11135  		p := v.Args[0]
 11136  		w3 := v.Args[1]
 11137  		x := v.Args[2]
 11138  		if x.Op != OpS390XSTMG3 {
 11139  			break
 11140  		}
 11141  		if x.AuxInt != i-24 {
 11142  			break
 11143  		}
 11144  		if x.Aux != s {
 11145  			break
 11146  		}
 11147  		if p != x.Args[0] {
 11148  			break
 11149  		}
 11150  		w0 := x.Args[1]
 11151  		w1 := x.Args[2]
 11152  		w2 := x.Args[3]
 11153  		mem := x.Args[4]
 11154  		if !(x.Uses == 1 && is20Bit(i-24) && clobber(x)) {
 11155  			break
 11156  		}
 11157  		v.reset(OpS390XSTMG4)
 11158  		v.AuxInt = i - 24
 11159  		v.Aux = s
 11160  		v.AddArg(p)
 11161  		v.AddArg(w0)
 11162  		v.AddArg(w1)
 11163  		v.AddArg(w2)
 11164  		v.AddArg(w3)
 11165  		v.AddArg(mem)
 11166  		return true
 11167  	}
 11168  	return false
 11169  }
 11170  func rewriteValueS390X_OpS390XMOVDstoreconst(v *Value, config *Config) bool {
 11171  	b := v.Block
 11172  	_ = b
 11173  	// match: (MOVDstoreconst [sc] {s} (ADDconst [off] ptr) mem)
 11174  	// cond: ValAndOff(sc).canAdd(off)
 11175  	// result: (MOVDstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
 11176  	for {
 11177  		sc := v.AuxInt
 11178  		s := v.Aux
 11179  		v_0 := v.Args[0]
 11180  		if v_0.Op != OpS390XADDconst {
 11181  			break
 11182  		}
 11183  		off := v_0.AuxInt
 11184  		ptr := v_0.Args[0]
 11185  		mem := v.Args[1]
 11186  		if !(ValAndOff(sc).canAdd(off)) {
 11187  			break
 11188  		}
 11189  		v.reset(OpS390XMOVDstoreconst)
 11190  		v.AuxInt = ValAndOff(sc).add(off)
 11191  		v.Aux = s
 11192  		v.AddArg(ptr)
 11193  		v.AddArg(mem)
 11194  		return true
 11195  	}
 11196  	// match: (MOVDstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
 11197  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
 11198  	// result: (MOVDstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
 11199  	for {
 11200  		sc := v.AuxInt
 11201  		sym1 := v.Aux
 11202  		v_0 := v.Args[0]
 11203  		if v_0.Op != OpS390XMOVDaddr {
 11204  			break
 11205  		}
 11206  		off := v_0.AuxInt
 11207  		sym2 := v_0.Aux
 11208  		ptr := v_0.Args[0]
 11209  		mem := v.Args[1]
 11210  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
 11211  			break
 11212  		}
 11213  		v.reset(OpS390XMOVDstoreconst)
 11214  		v.AuxInt = ValAndOff(sc).add(off)
 11215  		v.Aux = mergeSym(sym1, sym2)
 11216  		v.AddArg(ptr)
 11217  		v.AddArg(mem)
 11218  		return true
 11219  	}
 11220  	return false
 11221  }
 11222  func rewriteValueS390X_OpS390XMOVDstoreidx(v *Value, config *Config) bool {
 11223  	b := v.Block
 11224  	_ = b
 11225  	// match: (MOVDstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
 11226  	// cond:
 11227  	// result: (MOVDstoreidx [c+d] {sym} ptr idx val mem)
 11228  	for {
 11229  		c := v.AuxInt
 11230  		sym := v.Aux
 11231  		v_0 := v.Args[0]
 11232  		if v_0.Op != OpS390XADDconst {
 11233  			break
 11234  		}
 11235  		d := v_0.AuxInt
 11236  		ptr := v_0.Args[0]
 11237  		idx := v.Args[1]
 11238  		val := v.Args[2]
 11239  		mem := v.Args[3]
 11240  		v.reset(OpS390XMOVDstoreidx)
 11241  		v.AuxInt = c + d
 11242  		v.Aux = sym
 11243  		v.AddArg(ptr)
 11244  		v.AddArg(idx)
 11245  		v.AddArg(val)
 11246  		v.AddArg(mem)
 11247  		return true
 11248  	}
 11249  	// match: (MOVDstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
 11250  	// cond:
 11251  	// result: (MOVDstoreidx [c+d] {sym} ptr idx val mem)
 11252  	for {
 11253  		c := v.AuxInt
 11254  		sym := v.Aux
 11255  		ptr := v.Args[0]
 11256  		v_1 := v.Args[1]
 11257  		if v_1.Op != OpS390XADDconst {
 11258  			break
 11259  		}
 11260  		d := v_1.AuxInt
 11261  		idx := v_1.Args[0]
 11262  		val := v.Args[2]
 11263  		mem := v.Args[3]
 11264  		v.reset(OpS390XMOVDstoreidx)
 11265  		v.AuxInt = c + d
 11266  		v.Aux = sym
 11267  		v.AddArg(ptr)
 11268  		v.AddArg(idx)
 11269  		v.AddArg(val)
 11270  		v.AddArg(mem)
 11271  		return true
 11272  	}
 11273  	return false
 11274  }
 11275  func rewriteValueS390X_OpS390XMOVHBRstore(v *Value, config *Config) bool {
 11276  	b := v.Block
 11277  	_ = b
 11278  	// match: (MOVHBRstore [i] {s} p (SRDconst [16] w) x:(MOVHBRstore [i-2] {s} p w mem))
 11279  	// cond: x.Uses == 1   && clobber(x)
 11280  	// result: (MOVWBRstore [i-2] {s} p w mem)
 11281  	for {
 11282  		i := v.AuxInt
 11283  		s := v.Aux
 11284  		p := v.Args[0]
 11285  		v_1 := v.Args[1]
 11286  		if v_1.Op != OpS390XSRDconst {
 11287  			break
 11288  		}
 11289  		if v_1.AuxInt != 16 {
 11290  			break
 11291  		}
 11292  		w := v_1.Args[0]
 11293  		x := v.Args[2]
 11294  		if x.Op != OpS390XMOVHBRstore {
 11295  			break
 11296  		}
 11297  		if x.AuxInt != i-2 {
 11298  			break
 11299  		}
 11300  		if x.Aux != s {
 11301  			break
 11302  		}
 11303  		if p != x.Args[0] {
 11304  			break
 11305  		}
 11306  		if w != x.Args[1] {
 11307  			break
 11308  		}
 11309  		mem := x.Args[2]
 11310  		if !(x.Uses == 1 && clobber(x)) {
 11311  			break
 11312  		}
 11313  		v.reset(OpS390XMOVWBRstore)
 11314  		v.AuxInt = i - 2
 11315  		v.Aux = s
 11316  		v.AddArg(p)
 11317  		v.AddArg(w)
 11318  		v.AddArg(mem)
 11319  		return true
 11320  	}
 11321  	// match: (MOVHBRstore [i] {s} p (SRDconst [j] w) x:(MOVHBRstore [i-2] {s} p w0:(SRDconst [j-16] w) mem))
 11322  	// cond: x.Uses == 1   && clobber(x)
 11323  	// result: (MOVWBRstore [i-2] {s} p w0 mem)
 11324  	for {
 11325  		i := v.AuxInt
 11326  		s := v.Aux
 11327  		p := v.Args[0]
 11328  		v_1 := v.Args[1]
 11329  		if v_1.Op != OpS390XSRDconst {
 11330  			break
 11331  		}
 11332  		j := v_1.AuxInt
 11333  		w := v_1.Args[0]
 11334  		x := v.Args[2]
 11335  		if x.Op != OpS390XMOVHBRstore {
 11336  			break
 11337  		}
 11338  		if x.AuxInt != i-2 {
 11339  			break
 11340  		}
 11341  		if x.Aux != s {
 11342  			break
 11343  		}
 11344  		if p != x.Args[0] {
 11345  			break
 11346  		}
 11347  		w0 := x.Args[1]
 11348  		if w0.Op != OpS390XSRDconst {
 11349  			break
 11350  		}
 11351  		if w0.AuxInt != j-16 {
 11352  			break
 11353  		}
 11354  		if w != w0.Args[0] {
 11355  			break
 11356  		}
 11357  		mem := x.Args[2]
 11358  		if !(x.Uses == 1 && clobber(x)) {
 11359  			break
 11360  		}
 11361  		v.reset(OpS390XMOVWBRstore)
 11362  		v.AuxInt = i - 2
 11363  		v.Aux = s
 11364  		v.AddArg(p)
 11365  		v.AddArg(w0)
 11366  		v.AddArg(mem)
 11367  		return true
 11368  	}
 11369  	// match: (MOVHBRstore [i] {s} p (SRWconst [16] w) x:(MOVHBRstore [i-2] {s} p w mem))
 11370  	// cond: x.Uses == 1   && clobber(x)
 11371  	// result: (MOVWBRstore [i-2] {s} p w mem)
 11372  	for {
 11373  		i := v.AuxInt
 11374  		s := v.Aux
 11375  		p := v.Args[0]
 11376  		v_1 := v.Args[1]
 11377  		if v_1.Op != OpS390XSRWconst {
 11378  			break
 11379  		}
 11380  		if v_1.AuxInt != 16 {
 11381  			break
 11382  		}
 11383  		w := v_1.Args[0]
 11384  		x := v.Args[2]
 11385  		if x.Op != OpS390XMOVHBRstore {
 11386  			break
 11387  		}
 11388  		if x.AuxInt != i-2 {
 11389  			break
 11390  		}
 11391  		if x.Aux != s {
 11392  			break
 11393  		}
 11394  		if p != x.Args[0] {
 11395  			break
 11396  		}
 11397  		if w != x.Args[1] {
 11398  			break
 11399  		}
 11400  		mem := x.Args[2]
 11401  		if !(x.Uses == 1 && clobber(x)) {
 11402  			break
 11403  		}
 11404  		v.reset(OpS390XMOVWBRstore)
 11405  		v.AuxInt = i - 2
 11406  		v.Aux = s
 11407  		v.AddArg(p)
 11408  		v.AddArg(w)
 11409  		v.AddArg(mem)
 11410  		return true
 11411  	}
 11412  	// match: (MOVHBRstore [i] {s} p (SRWconst [j] w) x:(MOVHBRstore [i-2] {s} p w0:(SRWconst [j-16] w) mem))
 11413  	// cond: x.Uses == 1   && clobber(x)
 11414  	// result: (MOVWBRstore [i-2] {s} p w0 mem)
 11415  	for {
 11416  		i := v.AuxInt
 11417  		s := v.Aux
 11418  		p := v.Args[0]
 11419  		v_1 := v.Args[1]
 11420  		if v_1.Op != OpS390XSRWconst {
 11421  			break
 11422  		}
 11423  		j := v_1.AuxInt
 11424  		w := v_1.Args[0]
 11425  		x := v.Args[2]
 11426  		if x.Op != OpS390XMOVHBRstore {
 11427  			break
 11428  		}
 11429  		if x.AuxInt != i-2 {
 11430  			break
 11431  		}
 11432  		if x.Aux != s {
 11433  			break
 11434  		}
 11435  		if p != x.Args[0] {
 11436  			break
 11437  		}
 11438  		w0 := x.Args[1]
 11439  		if w0.Op != OpS390XSRWconst {
 11440  			break
 11441  		}
 11442  		if w0.AuxInt != j-16 {
 11443  			break
 11444  		}
 11445  		if w != w0.Args[0] {
 11446  			break
 11447  		}
 11448  		mem := x.Args[2]
 11449  		if !(x.Uses == 1 && clobber(x)) {
 11450  			break
 11451  		}
 11452  		v.reset(OpS390XMOVWBRstore)
 11453  		v.AuxInt = i - 2
 11454  		v.Aux = s
 11455  		v.AddArg(p)
 11456  		v.AddArg(w0)
 11457  		v.AddArg(mem)
 11458  		return true
 11459  	}
 11460  	return false
 11461  }
 11462  func rewriteValueS390X_OpS390XMOVHBRstoreidx(v *Value, config *Config) bool {
 11463  	b := v.Block
 11464  	_ = b
 11465  	// match: (MOVHBRstoreidx [i] {s} p idx (SRDconst [16] w) x:(MOVHBRstoreidx [i-2] {s} p idx w mem))
 11466  	// cond: x.Uses == 1   && clobber(x)
 11467  	// result: (MOVWBRstoreidx [i-2] {s} p idx w mem)
 11468  	for {
 11469  		i := v.AuxInt
 11470  		s := v.Aux
 11471  		p := v.Args[0]
 11472  		idx := v.Args[1]
 11473  		v_2 := v.Args[2]
 11474  		if v_2.Op != OpS390XSRDconst {
 11475  			break
 11476  		}
 11477  		if v_2.AuxInt != 16 {
 11478  			break
 11479  		}
 11480  		w := v_2.Args[0]
 11481  		x := v.Args[3]
 11482  		if x.Op != OpS390XMOVHBRstoreidx {
 11483  			break
 11484  		}
 11485  		if x.AuxInt != i-2 {
 11486  			break
 11487  		}
 11488  		if x.Aux != s {
 11489  			break
 11490  		}
 11491  		if p != x.Args[0] {
 11492  			break
 11493  		}
 11494  		if idx != x.Args[1] {
 11495  			break
 11496  		}
 11497  		if w != x.Args[2] {
 11498  			break
 11499  		}
 11500  		mem := x.Args[3]
 11501  		if !(x.Uses == 1 && clobber(x)) {
 11502  			break
 11503  		}
 11504  		v.reset(OpS390XMOVWBRstoreidx)
 11505  		v.AuxInt = i - 2
 11506  		v.Aux = s
 11507  		v.AddArg(p)
 11508  		v.AddArg(idx)
 11509  		v.AddArg(w)
 11510  		v.AddArg(mem)
 11511  		return true
 11512  	}
 11513  	// match: (MOVHBRstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVHBRstoreidx [i-2] {s} p idx w0:(SRDconst [j-16] w) mem))
 11514  	// cond: x.Uses == 1   && clobber(x)
 11515  	// result: (MOVWBRstoreidx [i-2] {s} p idx w0 mem)
 11516  	for {
 11517  		i := v.AuxInt
 11518  		s := v.Aux
 11519  		p := v.Args[0]
 11520  		idx := v.Args[1]
 11521  		v_2 := v.Args[2]
 11522  		if v_2.Op != OpS390XSRDconst {
 11523  			break
 11524  		}
 11525  		j := v_2.AuxInt
 11526  		w := v_2.Args[0]
 11527  		x := v.Args[3]
 11528  		if x.Op != OpS390XMOVHBRstoreidx {
 11529  			break
 11530  		}
 11531  		if x.AuxInt != i-2 {
 11532  			break
 11533  		}
 11534  		if x.Aux != s {
 11535  			break
 11536  		}
 11537  		if p != x.Args[0] {
 11538  			break
 11539  		}
 11540  		if idx != x.Args[1] {
 11541  			break
 11542  		}
 11543  		w0 := x.Args[2]
 11544  		if w0.Op != OpS390XSRDconst {
 11545  			break
 11546  		}
 11547  		if w0.AuxInt != j-16 {
 11548  			break
 11549  		}
 11550  		if w != w0.Args[0] {
 11551  			break
 11552  		}
 11553  		mem := x.Args[3]
 11554  		if !(x.Uses == 1 && clobber(x)) {
 11555  			break
 11556  		}
 11557  		v.reset(OpS390XMOVWBRstoreidx)
 11558  		v.AuxInt = i - 2
 11559  		v.Aux = s
 11560  		v.AddArg(p)
 11561  		v.AddArg(idx)
 11562  		v.AddArg(w0)
 11563  		v.AddArg(mem)
 11564  		return true
 11565  	}
 11566  	// match: (MOVHBRstoreidx [i] {s} p idx (SRWconst [16] w) x:(MOVHBRstoreidx [i-2] {s} p idx w mem))
 11567  	// cond: x.Uses == 1   && clobber(x)
 11568  	// result: (MOVWBRstoreidx [i-2] {s} p idx w mem)
 11569  	for {
 11570  		i := v.AuxInt
 11571  		s := v.Aux
 11572  		p := v.Args[0]
 11573  		idx := v.Args[1]
 11574  		v_2 := v.Args[2]
 11575  		if v_2.Op != OpS390XSRWconst {
 11576  			break
 11577  		}
 11578  		if v_2.AuxInt != 16 {
 11579  			break
 11580  		}
 11581  		w := v_2.Args[0]
 11582  		x := v.Args[3]
 11583  		if x.Op != OpS390XMOVHBRstoreidx {
 11584  			break
 11585  		}
 11586  		if x.AuxInt != i-2 {
 11587  			break
 11588  		}
 11589  		if x.Aux != s {
 11590  			break
 11591  		}
 11592  		if p != x.Args[0] {
 11593  			break
 11594  		}
 11595  		if idx != x.Args[1] {
 11596  			break
 11597  		}
 11598  		if w != x.Args[2] {
 11599  			break
 11600  		}
 11601  		mem := x.Args[3]
 11602  		if !(x.Uses == 1 && clobber(x)) {
 11603  			break
 11604  		}
 11605  		v.reset(OpS390XMOVWBRstoreidx)
 11606  		v.AuxInt = i - 2
 11607  		v.Aux = s
 11608  		v.AddArg(p)
 11609  		v.AddArg(idx)
 11610  		v.AddArg(w)
 11611  		v.AddArg(mem)
 11612  		return true
 11613  	}
 11614  	// match: (MOVHBRstoreidx [i] {s} p idx (SRWconst [j] w) x:(MOVHBRstoreidx [i-2] {s} p idx w0:(SRWconst [j-16] w) mem))
 11615  	// cond: x.Uses == 1   && clobber(x)
 11616  	// result: (MOVWBRstoreidx [i-2] {s} p idx w0 mem)
 11617  	for {
 11618  		i := v.AuxInt
 11619  		s := v.Aux
 11620  		p := v.Args[0]
 11621  		idx := v.Args[1]
 11622  		v_2 := v.Args[2]
 11623  		if v_2.Op != OpS390XSRWconst {
 11624  			break
 11625  		}
 11626  		j := v_2.AuxInt
 11627  		w := v_2.Args[0]
 11628  		x := v.Args[3]
 11629  		if x.Op != OpS390XMOVHBRstoreidx {
 11630  			break
 11631  		}
 11632  		if x.AuxInt != i-2 {
 11633  			break
 11634  		}
 11635  		if x.Aux != s {
 11636  			break
 11637  		}
 11638  		if p != x.Args[0] {
 11639  			break
 11640  		}
 11641  		if idx != x.Args[1] {
 11642  			break
 11643  		}
 11644  		w0 := x.Args[2]
 11645  		if w0.Op != OpS390XSRWconst {
 11646  			break
 11647  		}
 11648  		if w0.AuxInt != j-16 {
 11649  			break
 11650  		}
 11651  		if w != w0.Args[0] {
 11652  			break
 11653  		}
 11654  		mem := x.Args[3]
 11655  		if !(x.Uses == 1 && clobber(x)) {
 11656  			break
 11657  		}
 11658  		v.reset(OpS390XMOVWBRstoreidx)
 11659  		v.AuxInt = i - 2
 11660  		v.Aux = s
 11661  		v.AddArg(p)
 11662  		v.AddArg(idx)
 11663  		v.AddArg(w0)
 11664  		v.AddArg(mem)
 11665  		return true
 11666  	}
 11667  	return false
 11668  }
 11669  func rewriteValueS390X_OpS390XMOVHZload(v *Value, config *Config) bool {
 11670  	b := v.Block
 11671  	_ = b
 11672  	// match: (MOVHZload [off] {sym} ptr (MOVHstore [off2] {sym2} ptr2 x _))
 11673  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 11674  	// result: (MOVDreg x)
 11675  	for {
 11676  		off := v.AuxInt
 11677  		sym := v.Aux
 11678  		ptr := v.Args[0]
 11679  		v_1 := v.Args[1]
 11680  		if v_1.Op != OpS390XMOVHstore {
 11681  			break
 11682  		}
 11683  		off2 := v_1.AuxInt
 11684  		sym2 := v_1.Aux
 11685  		ptr2 := v_1.Args[0]
 11686  		x := v_1.Args[1]
 11687  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 11688  			break
 11689  		}
 11690  		v.reset(OpS390XMOVDreg)
 11691  		v.AddArg(x)
 11692  		return true
 11693  	}
 11694  	// match: (MOVHZload  [off1] {sym} (ADDconst [off2] ptr) mem)
 11695  	// cond: is20Bit(off1+off2)
 11696  	// result: (MOVHZload [off1+off2] {sym} ptr mem)
 11697  	for {
 11698  		off1 := v.AuxInt
 11699  		sym := v.Aux
 11700  		v_0 := v.Args[0]
 11701  		if v_0.Op != OpS390XADDconst {
 11702  			break
 11703  		}
 11704  		off2 := v_0.AuxInt
 11705  		ptr := v_0.Args[0]
 11706  		mem := v.Args[1]
 11707  		if !(is20Bit(off1 + off2)) {
 11708  			break
 11709  		}
 11710  		v.reset(OpS390XMOVHZload)
 11711  		v.AuxInt = off1 + off2
 11712  		v.Aux = sym
 11713  		v.AddArg(ptr)
 11714  		v.AddArg(mem)
 11715  		return true
 11716  	}
 11717  	// match: (MOVHZload  [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 11718  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11719  	// result: (MOVHZload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
 11720  	for {
 11721  		off1 := v.AuxInt
 11722  		sym1 := v.Aux
 11723  		v_0 := v.Args[0]
 11724  		if v_0.Op != OpS390XMOVDaddr {
 11725  			break
 11726  		}
 11727  		off2 := v_0.AuxInt
 11728  		sym2 := v_0.Aux
 11729  		base := v_0.Args[0]
 11730  		mem := v.Args[1]
 11731  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11732  			break
 11733  		}
 11734  		v.reset(OpS390XMOVHZload)
 11735  		v.AuxInt = off1 + off2
 11736  		v.Aux = mergeSym(sym1, sym2)
 11737  		v.AddArg(base)
 11738  		v.AddArg(mem)
 11739  		return true
 11740  	}
 11741  	// match: (MOVHZload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
 11742  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11743  	// result: (MOVHZloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
 11744  	for {
 11745  		off1 := v.AuxInt
 11746  		sym1 := v.Aux
 11747  		v_0 := v.Args[0]
 11748  		if v_0.Op != OpS390XMOVDaddridx {
 11749  			break
 11750  		}
 11751  		off2 := v_0.AuxInt
 11752  		sym2 := v_0.Aux
 11753  		ptr := v_0.Args[0]
 11754  		idx := v_0.Args[1]
 11755  		mem := v.Args[1]
 11756  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11757  			break
 11758  		}
 11759  		v.reset(OpS390XMOVHZloadidx)
 11760  		v.AuxInt = off1 + off2
 11761  		v.Aux = mergeSym(sym1, sym2)
 11762  		v.AddArg(ptr)
 11763  		v.AddArg(idx)
 11764  		v.AddArg(mem)
 11765  		return true
 11766  	}
 11767  	// match: (MOVHZload [off] {sym} (ADD ptr idx) mem)
 11768  	// cond: ptr.Op != OpSB
 11769  	// result: (MOVHZloadidx [off] {sym} ptr idx mem)
 11770  	for {
 11771  		off := v.AuxInt
 11772  		sym := v.Aux
 11773  		v_0 := v.Args[0]
 11774  		if v_0.Op != OpS390XADD {
 11775  			break
 11776  		}
 11777  		ptr := v_0.Args[0]
 11778  		idx := v_0.Args[1]
 11779  		mem := v.Args[1]
 11780  		if !(ptr.Op != OpSB) {
 11781  			break
 11782  		}
 11783  		v.reset(OpS390XMOVHZloadidx)
 11784  		v.AuxInt = off
 11785  		v.Aux = sym
 11786  		v.AddArg(ptr)
 11787  		v.AddArg(idx)
 11788  		v.AddArg(mem)
 11789  		return true
 11790  	}
 11791  	return false
 11792  }
 11793  func rewriteValueS390X_OpS390XMOVHZloadidx(v *Value, config *Config) bool {
 11794  	b := v.Block
 11795  	_ = b
 11796  	// match: (MOVHZloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
 11797  	// cond:
 11798  	// result: (MOVHZloadidx [c+d] {sym} ptr idx mem)
 11799  	for {
 11800  		c := v.AuxInt
 11801  		sym := v.Aux
 11802  		v_0 := v.Args[0]
 11803  		if v_0.Op != OpS390XADDconst {
 11804  			break
 11805  		}
 11806  		d := v_0.AuxInt
 11807  		ptr := v_0.Args[0]
 11808  		idx := v.Args[1]
 11809  		mem := v.Args[2]
 11810  		v.reset(OpS390XMOVHZloadidx)
 11811  		v.AuxInt = c + d
 11812  		v.Aux = sym
 11813  		v.AddArg(ptr)
 11814  		v.AddArg(idx)
 11815  		v.AddArg(mem)
 11816  		return true
 11817  	}
 11818  	// match: (MOVHZloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
 11819  	// cond:
 11820  	// result: (MOVHZloadidx [c+d] {sym} ptr idx mem)
 11821  	for {
 11822  		c := v.AuxInt
 11823  		sym := v.Aux
 11824  		ptr := v.Args[0]
 11825  		v_1 := v.Args[1]
 11826  		if v_1.Op != OpS390XADDconst {
 11827  			break
 11828  		}
 11829  		d := v_1.AuxInt
 11830  		idx := v_1.Args[0]
 11831  		mem := v.Args[2]
 11832  		v.reset(OpS390XMOVHZloadidx)
 11833  		v.AuxInt = c + d
 11834  		v.Aux = sym
 11835  		v.AddArg(ptr)
 11836  		v.AddArg(idx)
 11837  		v.AddArg(mem)
 11838  		return true
 11839  	}
 11840  	return false
 11841  }
 11842  func rewriteValueS390X_OpS390XMOVHZreg(v *Value, config *Config) bool {
 11843  	b := v.Block
 11844  	_ = b
 11845  	// match: (MOVHZreg x:(MOVBZload _ _))
 11846  	// cond:
 11847  	// result: (MOVDreg x)
 11848  	for {
 11849  		x := v.Args[0]
 11850  		if x.Op != OpS390XMOVBZload {
 11851  			break
 11852  		}
 11853  		v.reset(OpS390XMOVDreg)
 11854  		v.AddArg(x)
 11855  		return true
 11856  	}
 11857  	// match: (MOVHZreg x:(MOVHZload _ _))
 11858  	// cond:
 11859  	// result: (MOVDreg x)
 11860  	for {
 11861  		x := v.Args[0]
 11862  		if x.Op != OpS390XMOVHZload {
 11863  			break
 11864  		}
 11865  		v.reset(OpS390XMOVDreg)
 11866  		v.AddArg(x)
 11867  		return true
 11868  	}
 11869  	// match: (MOVHZreg x:(Arg <t>))
 11870  	// cond: (is8BitInt(t) || is16BitInt(t)) && !isSigned(t)
 11871  	// result: (MOVDreg x)
 11872  	for {
 11873  		x := v.Args[0]
 11874  		if x.Op != OpArg {
 11875  			break
 11876  		}
 11877  		t := x.Type
 11878  		if !((is8BitInt(t) || is16BitInt(t)) && !isSigned(t)) {
 11879  			break
 11880  		}
 11881  		v.reset(OpS390XMOVDreg)
 11882  		v.AddArg(x)
 11883  		return true
 11884  	}
 11885  	// match: (MOVHZreg x:(MOVBZreg _))
 11886  	// cond:
 11887  	// result: (MOVDreg x)
 11888  	for {
 11889  		x := v.Args[0]
 11890  		if x.Op != OpS390XMOVBZreg {
 11891  			break
 11892  		}
 11893  		v.reset(OpS390XMOVDreg)
 11894  		v.AddArg(x)
 11895  		return true
 11896  	}
 11897  	// match: (MOVHZreg x:(MOVHZreg _))
 11898  	// cond:
 11899  	// result: (MOVDreg x)
 11900  	for {
 11901  		x := v.Args[0]
 11902  		if x.Op != OpS390XMOVHZreg {
 11903  			break
 11904  		}
 11905  		v.reset(OpS390XMOVDreg)
 11906  		v.AddArg(x)
 11907  		return true
 11908  	}
 11909  	// match: (MOVHZreg (MOVDconst [c]))
 11910  	// cond:
 11911  	// result: (MOVDconst [int64(uint16(c))])
 11912  	for {
 11913  		v_0 := v.Args[0]
 11914  		if v_0.Op != OpS390XMOVDconst {
 11915  			break
 11916  		}
 11917  		c := v_0.AuxInt
 11918  		v.reset(OpS390XMOVDconst)
 11919  		v.AuxInt = int64(uint16(c))
 11920  		return true
 11921  	}
 11922  	// match: (MOVHZreg x:(MOVHZload [off] {sym} ptr mem))
 11923  	// cond: x.Uses == 1 && clobber(x)
 11924  	// result: @x.Block (MOVHZload <v.Type> [off] {sym} ptr mem)
 11925  	for {
 11926  		x := v.Args[0]
 11927  		if x.Op != OpS390XMOVHZload {
 11928  			break
 11929  		}
 11930  		off := x.AuxInt
 11931  		sym := x.Aux
 11932  		ptr := x.Args[0]
 11933  		mem := x.Args[1]
 11934  		if !(x.Uses == 1 && clobber(x)) {
 11935  			break
 11936  		}
 11937  		b = x.Block
 11938  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZload, v.Type)
 11939  		v.reset(OpCopy)
 11940  		v.AddArg(v0)
 11941  		v0.AuxInt = off
 11942  		v0.Aux = sym
 11943  		v0.AddArg(ptr)
 11944  		v0.AddArg(mem)
 11945  		return true
 11946  	}
 11947  	// match: (MOVHZreg x:(MOVHZloadidx [off] {sym} ptr idx mem))
 11948  	// cond: x.Uses == 1 && clobber(x)
 11949  	// result: @x.Block (MOVHZloadidx <v.Type> [off] {sym} ptr idx mem)
 11950  	for {
 11951  		x := v.Args[0]
 11952  		if x.Op != OpS390XMOVHZloadidx {
 11953  			break
 11954  		}
 11955  		off := x.AuxInt
 11956  		sym := x.Aux
 11957  		ptr := x.Args[0]
 11958  		idx := x.Args[1]
 11959  		mem := x.Args[2]
 11960  		if !(x.Uses == 1 && clobber(x)) {
 11961  			break
 11962  		}
 11963  		b = x.Block
 11964  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, v.Type)
 11965  		v.reset(OpCopy)
 11966  		v.AddArg(v0)
 11967  		v0.AuxInt = off
 11968  		v0.Aux = sym
 11969  		v0.AddArg(ptr)
 11970  		v0.AddArg(idx)
 11971  		v0.AddArg(mem)
 11972  		return true
 11973  	}
 11974  	return false
 11975  }
 11976  func rewriteValueS390X_OpS390XMOVHload(v *Value, config *Config) bool {
 11977  	b := v.Block
 11978  	_ = b
 11979  	// match: (MOVHload   [off1] {sym} (ADDconst [off2] ptr) mem)
 11980  	// cond: is20Bit(off1+off2)
 11981  	// result: (MOVHload  [off1+off2] {sym} ptr mem)
 11982  	for {
 11983  		off1 := v.AuxInt
 11984  		sym := v.Aux
 11985  		v_0 := v.Args[0]
 11986  		if v_0.Op != OpS390XADDconst {
 11987  			break
 11988  		}
 11989  		off2 := v_0.AuxInt
 11990  		ptr := v_0.Args[0]
 11991  		mem := v.Args[1]
 11992  		if !(is20Bit(off1 + off2)) {
 11993  			break
 11994  		}
 11995  		v.reset(OpS390XMOVHload)
 11996  		v.AuxInt = off1 + off2
 11997  		v.Aux = sym
 11998  		v.AddArg(ptr)
 11999  		v.AddArg(mem)
 12000  		return true
 12001  	}
 12002  	// match: (MOVHload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 12003  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 12004  	// result: (MOVHload [off1+off2] {mergeSym(sym1,sym2)} base mem)
 12005  	for {
 12006  		off1 := v.AuxInt
 12007  		sym1 := v.Aux
 12008  		v_0 := v.Args[0]
 12009  		if v_0.Op != OpS390XMOVDaddr {
 12010  			break
 12011  		}
 12012  		off2 := v_0.AuxInt
 12013  		sym2 := v_0.Aux
 12014  		base := v_0.Args[0]
 12015  		mem := v.Args[1]
 12016  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 12017  			break
 12018  		}
 12019  		v.reset(OpS390XMOVHload)
 12020  		v.AuxInt = off1 + off2
 12021  		v.Aux = mergeSym(sym1, sym2)
 12022  		v.AddArg(base)
 12023  		v.AddArg(mem)
 12024  		return true
 12025  	}
 12026  	return false
 12027  }
 12028  func rewriteValueS390X_OpS390XMOVHreg(v *Value, config *Config) bool {
 12029  	b := v.Block
 12030  	_ = b
 12031  	// match: (MOVHreg x:(MOVBload _ _))
 12032  	// cond:
 12033  	// result: (MOVDreg x)
 12034  	for {
 12035  		x := v.Args[0]
 12036  		if x.Op != OpS390XMOVBload {
 12037  			break
 12038  		}
 12039  		v.reset(OpS390XMOVDreg)
 12040  		v.AddArg(x)
 12041  		return true
 12042  	}
 12043  	// match: (MOVHreg x:(MOVBZload _ _))
 12044  	// cond:
 12045  	// result: (MOVDreg x)
 12046  	for {
 12047  		x := v.Args[0]
 12048  		if x.Op != OpS390XMOVBZload {
 12049  			break
 12050  		}
 12051  		v.reset(OpS390XMOVDreg)
 12052  		v.AddArg(x)
 12053  		return true
 12054  	}
 12055  	// match: (MOVHreg x:(MOVHload _ _))
 12056  	// cond:
 12057  	// result: (MOVDreg x)
 12058  	for {
 12059  		x := v.Args[0]
 12060  		if x.Op != OpS390XMOVHload {
 12061  			break
 12062  		}
 12063  		v.reset(OpS390XMOVDreg)
 12064  		v.AddArg(x)
 12065  		return true
 12066  	}
 12067  	// match: (MOVHreg x:(Arg <t>))
 12068  	// cond: (is8BitInt(t) || is16BitInt(t)) && isSigned(t)
 12069  	// result: (MOVDreg x)
 12070  	for {
 12071  		x := v.Args[0]
 12072  		if x.Op != OpArg {
 12073  			break
 12074  		}
 12075  		t := x.Type
 12076  		if !((is8BitInt(t) || is16BitInt(t)) && isSigned(t)) {
 12077  			break
 12078  		}
 12079  		v.reset(OpS390XMOVDreg)
 12080  		v.AddArg(x)
 12081  		return true
 12082  	}
 12083  	// match: (MOVHreg x:(MOVBreg _))
 12084  	// cond:
 12085  	// result: (MOVDreg x)
 12086  	for {
 12087  		x := v.Args[0]
 12088  		if x.Op != OpS390XMOVBreg {
 12089  			break
 12090  		}
 12091  		v.reset(OpS390XMOVDreg)
 12092  		v.AddArg(x)
 12093  		return true
 12094  	}
 12095  	// match: (MOVHreg x:(MOVBZreg _))
 12096  	// cond:
 12097  	// result: (MOVDreg x)
 12098  	for {
 12099  		x := v.Args[0]
 12100  		if x.Op != OpS390XMOVBZreg {
 12101  			break
 12102  		}
 12103  		v.reset(OpS390XMOVDreg)
 12104  		v.AddArg(x)
 12105  		return true
 12106  	}
 12107  	// match: (MOVHreg x:(MOVHreg _))
 12108  	// cond:
 12109  	// result: (MOVDreg x)
 12110  	for {
 12111  		x := v.Args[0]
 12112  		if x.Op != OpS390XMOVHreg {
 12113  			break
 12114  		}
 12115  		v.reset(OpS390XMOVDreg)
 12116  		v.AddArg(x)
 12117  		return true
 12118  	}
 12119  	// match: (MOVHreg (MOVDconst [c]))
 12120  	// cond:
 12121  	// result: (MOVDconst [int64(int16(c))])
 12122  	for {
 12123  		v_0 := v.Args[0]
 12124  		if v_0.Op != OpS390XMOVDconst {
 12125  			break
 12126  		}
 12127  		c := v_0.AuxInt
 12128  		v.reset(OpS390XMOVDconst)
 12129  		v.AuxInt = int64(int16(c))
 12130  		return true
 12131  	}
 12132  	// match: (MOVHreg x:(MOVHZload [off] {sym} ptr mem))
 12133  	// cond: x.Uses == 1 && clobber(x)
 12134  	// result: @x.Block (MOVHload <v.Type> [off] {sym} ptr mem)
 12135  	for {
 12136  		x := v.Args[0]
 12137  		if x.Op != OpS390XMOVHZload {
 12138  			break
 12139  		}
 12140  		off := x.AuxInt
 12141  		sym := x.Aux
 12142  		ptr := x.Args[0]
 12143  		mem := x.Args[1]
 12144  		if !(x.Uses == 1 && clobber(x)) {
 12145  			break
 12146  		}
 12147  		b = x.Block
 12148  		v0 := b.NewValue0(v.Pos, OpS390XMOVHload, v.Type)
 12149  		v.reset(OpCopy)
 12150  		v.AddArg(v0)
 12151  		v0.AuxInt = off
 12152  		v0.Aux = sym
 12153  		v0.AddArg(ptr)
 12154  		v0.AddArg(mem)
 12155  		return true
 12156  	}
 12157  	return false
 12158  }
 12159  func rewriteValueS390X_OpS390XMOVHstore(v *Value, config *Config) bool {
 12160  	b := v.Block
 12161  	_ = b
 12162  	// match: (MOVHstore [off] {sym} ptr (MOVHreg x) mem)
 12163  	// cond:
 12164  	// result: (MOVHstore [off] {sym} ptr x mem)
 12165  	for {
 12166  		off := v.AuxInt
 12167  		sym := v.Aux
 12168  		ptr := v.Args[0]
 12169  		v_1 := v.Args[1]
 12170  		if v_1.Op != OpS390XMOVHreg {
 12171  			break
 12172  		}
 12173  		x := v_1.Args[0]
 12174  		mem := v.Args[2]
 12175  		v.reset(OpS390XMOVHstore)
 12176  		v.AuxInt = off
 12177  		v.Aux = sym
 12178  		v.AddArg(ptr)
 12179  		v.AddArg(x)
 12180  		v.AddArg(mem)
 12181  		return true
 12182  	}
 12183  	// match: (MOVHstore [off] {sym} ptr (MOVHZreg x) mem)
 12184  	// cond:
 12185  	// result: (MOVHstore [off] {sym} ptr x mem)
 12186  	for {
 12187  		off := v.AuxInt
 12188  		sym := v.Aux
 12189  		ptr := v.Args[0]
 12190  		v_1 := v.Args[1]
 12191  		if v_1.Op != OpS390XMOVHZreg {
 12192  			break
 12193  		}
 12194  		x := v_1.Args[0]
 12195  		mem := v.Args[2]
 12196  		v.reset(OpS390XMOVHstore)
 12197  		v.AuxInt = off
 12198  		v.Aux = sym
 12199  		v.AddArg(ptr)
 12200  		v.AddArg(x)
 12201  		v.AddArg(mem)
 12202  		return true
 12203  	}
 12204  	// match: (MOVHstore  [off1] {sym} (ADDconst [off2] ptr) val mem)
 12205  	// cond: is20Bit(off1+off2)
 12206  	// result: (MOVHstore  [off1+off2] {sym} ptr val mem)
 12207  	for {
 12208  		off1 := v.AuxInt
 12209  		sym := v.Aux
 12210  		v_0 := v.Args[0]
 12211  		if v_0.Op != OpS390XADDconst {
 12212  			break
 12213  		}
 12214  		off2 := v_0.AuxInt
 12215  		ptr := v_0.Args[0]
 12216  		val := v.Args[1]
 12217  		mem := v.Args[2]
 12218  		if !(is20Bit(off1 + off2)) {
 12219  			break
 12220  		}
 12221  		v.reset(OpS390XMOVHstore)
 12222  		v.AuxInt = off1 + off2
 12223  		v.Aux = sym
 12224  		v.AddArg(ptr)
 12225  		v.AddArg(val)
 12226  		v.AddArg(mem)
 12227  		return true
 12228  	}
 12229  	// match: (MOVHstore [off] {sym} ptr (MOVDconst [c]) mem)
 12230  	// cond: validOff(off) && ptr.Op != OpSB
 12231  	// result: (MOVHstoreconst [makeValAndOff(int64(int16(c)),off)] {sym} ptr mem)
 12232  	for {
 12233  		off := v.AuxInt
 12234  		sym := v.Aux
 12235  		ptr := v.Args[0]
 12236  		v_1 := v.Args[1]
 12237  		if v_1.Op != OpS390XMOVDconst {
 12238  			break
 12239  		}
 12240  		c := v_1.AuxInt
 12241  		mem := v.Args[2]
 12242  		if !(validOff(off) && ptr.Op != OpSB) {
 12243  			break
 12244  		}
 12245  		v.reset(OpS390XMOVHstoreconst)
 12246  		v.AuxInt = makeValAndOff(int64(int16(c)), off)
 12247  		v.Aux = sym
 12248  		v.AddArg(ptr)
 12249  		v.AddArg(mem)
 12250  		return true
 12251  	}
 12252  	// match: (MOVHstore  [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
 12253  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 12254  	// result: (MOVHstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
 12255  	for {
 12256  		off1 := v.AuxInt
 12257  		sym1 := v.Aux
 12258  		v_0 := v.Args[0]
 12259  		if v_0.Op != OpS390XMOVDaddr {
 12260  			break
 12261  		}
 12262  		off2 := v_0.AuxInt
 12263  		sym2 := v_0.Aux
 12264  		base := v_0.Args[0]
 12265  		val := v.Args[1]
 12266  		mem := v.Args[2]
 12267  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 12268  			break
 12269  		}
 12270  		v.reset(OpS390XMOVHstore)
 12271  		v.AuxInt = off1 + off2
 12272  		v.Aux = mergeSym(sym1, sym2)
 12273  		v.AddArg(base)
 12274  		v.AddArg(val)
 12275  		v.AddArg(mem)
 12276  		return true
 12277  	}
 12278  	// match: (MOVHstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
 12279  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 12280  	// result: (MOVHstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
 12281  	for {
 12282  		off1 := v.AuxInt
 12283  		sym1 := v.Aux
 12284  		v_0 := v.Args[0]
 12285  		if v_0.Op != OpS390XMOVDaddridx {
 12286  			break
 12287  		}
 12288  		off2 := v_0.AuxInt
 12289  		sym2 := v_0.Aux
 12290  		ptr := v_0.Args[0]
 12291  		idx := v_0.Args[1]
 12292  		val := v.Args[1]
 12293  		mem := v.Args[2]
 12294  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 12295  			break
 12296  		}
 12297  		v.reset(OpS390XMOVHstoreidx)
 12298  		v.AuxInt = off1 + off2
 12299  		v.Aux = mergeSym(sym1, sym2)
 12300  		v.AddArg(ptr)
 12301  		v.AddArg(idx)
 12302  		v.AddArg(val)
 12303  		v.AddArg(mem)
 12304  		return true
 12305  	}
 12306  	// match: (MOVHstore [off] {sym} (ADD ptr idx) val mem)
 12307  	// cond: ptr.Op != OpSB
 12308  	// result: (MOVHstoreidx [off] {sym} ptr idx val mem)
 12309  	for {
 12310  		off := v.AuxInt
 12311  		sym := v.Aux
 12312  		v_0 := v.Args[0]
 12313  		if v_0.Op != OpS390XADD {
 12314  			break
 12315  		}
 12316  		ptr := v_0.Args[0]
 12317  		idx := v_0.Args[1]
 12318  		val := v.Args[1]
 12319  		mem := v.Args[2]
 12320  		if !(ptr.Op != OpSB) {
 12321  			break
 12322  		}
 12323  		v.reset(OpS390XMOVHstoreidx)
 12324  		v.AuxInt = off
 12325  		v.Aux = sym
 12326  		v.AddArg(ptr)
 12327  		v.AddArg(idx)
 12328  		v.AddArg(val)
 12329  		v.AddArg(mem)
 12330  		return true
 12331  	}
 12332  	// match: (MOVHstore [i] {s} p w x:(MOVHstore [i-2] {s} p (SRDconst [16] w) mem))
 12333  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 12334  	// result: (MOVWstore [i-2] {s} p w mem)
 12335  	for {
 12336  		i := v.AuxInt
 12337  		s := v.Aux
 12338  		p := v.Args[0]
 12339  		w := v.Args[1]
 12340  		x := v.Args[2]
 12341  		if x.Op != OpS390XMOVHstore {
 12342  			break
 12343  		}
 12344  		if x.AuxInt != i-2 {
 12345  			break
 12346  		}
 12347  		if x.Aux != s {
 12348  			break
 12349  		}
 12350  		if p != x.Args[0] {
 12351  			break
 12352  		}
 12353  		x_1 := x.Args[1]
 12354  		if x_1.Op != OpS390XSRDconst {
 12355  			break
 12356  		}
 12357  		if x_1.AuxInt != 16 {
 12358  			break
 12359  		}
 12360  		if w != x_1.Args[0] {
 12361  			break
 12362  		}
 12363  		mem := x.Args[2]
 12364  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 12365  			break
 12366  		}
 12367  		v.reset(OpS390XMOVWstore)
 12368  		v.AuxInt = i - 2
 12369  		v.Aux = s
 12370  		v.AddArg(p)
 12371  		v.AddArg(w)
 12372  		v.AddArg(mem)
 12373  		return true
 12374  	}
 12375  	// match: (MOVHstore [i] {s} p w0:(SRDconst [j] w) x:(MOVHstore [i-2] {s} p (SRDconst [j+16] w) mem))
 12376  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 12377  	// result: (MOVWstore [i-2] {s} p w0 mem)
 12378  	for {
 12379  		i := v.AuxInt
 12380  		s := v.Aux
 12381  		p := v.Args[0]
 12382  		w0 := v.Args[1]
 12383  		if w0.Op != OpS390XSRDconst {
 12384  			break
 12385  		}
 12386  		j := w0.AuxInt
 12387  		w := w0.Args[0]
 12388  		x := v.Args[2]
 12389  		if x.Op != OpS390XMOVHstore {
 12390  			break
 12391  		}
 12392  		if x.AuxInt != i-2 {
 12393  			break
 12394  		}
 12395  		if x.Aux != s {
 12396  			break
 12397  		}
 12398  		if p != x.Args[0] {
 12399  			break
 12400  		}
 12401  		x_1 := x.Args[1]
 12402  		if x_1.Op != OpS390XSRDconst {
 12403  			break
 12404  		}
 12405  		if x_1.AuxInt != j+16 {
 12406  			break
 12407  		}
 12408  		if w != x_1.Args[0] {
 12409  			break
 12410  		}
 12411  		mem := x.Args[2]
 12412  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 12413  			break
 12414  		}
 12415  		v.reset(OpS390XMOVWstore)
 12416  		v.AuxInt = i - 2
 12417  		v.Aux = s
 12418  		v.AddArg(p)
 12419  		v.AddArg(w0)
 12420  		v.AddArg(mem)
 12421  		return true
 12422  	}
 12423  	// match: (MOVHstore [i] {s} p w x:(MOVHstore [i-2] {s} p (SRWconst [16] w) mem))
 12424  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 12425  	// result: (MOVWstore [i-2] {s} p w mem)
 12426  	for {
 12427  		i := v.AuxInt
 12428  		s := v.Aux
 12429  		p := v.Args[0]
 12430  		w := v.Args[1]
 12431  		x := v.Args[2]
 12432  		if x.Op != OpS390XMOVHstore {
 12433  			break
 12434  		}
 12435  		if x.AuxInt != i-2 {
 12436  			break
 12437  		}
 12438  		if x.Aux != s {
 12439  			break
 12440  		}
 12441  		if p != x.Args[0] {
 12442  			break
 12443  		}
 12444  		x_1 := x.Args[1]
 12445  		if x_1.Op != OpS390XSRWconst {
 12446  			break
 12447  		}
 12448  		if x_1.AuxInt != 16 {
 12449  			break
 12450  		}
 12451  		if w != x_1.Args[0] {
 12452  			break
 12453  		}
 12454  		mem := x.Args[2]
 12455  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 12456  			break
 12457  		}
 12458  		v.reset(OpS390XMOVWstore)
 12459  		v.AuxInt = i - 2
 12460  		v.Aux = s
 12461  		v.AddArg(p)
 12462  		v.AddArg(w)
 12463  		v.AddArg(mem)
 12464  		return true
 12465  	}
 12466  	// match: (MOVHstore [i] {s} p w0:(SRWconst [j] w) x:(MOVHstore [i-2] {s} p (SRWconst [j+16] w) mem))
 12467  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 12468  	// result: (MOVWstore [i-2] {s} p w0 mem)
 12469  	for {
 12470  		i := v.AuxInt
 12471  		s := v.Aux
 12472  		p := v.Args[0]
 12473  		w0 := v.Args[1]
 12474  		if w0.Op != OpS390XSRWconst {
 12475  			break
 12476  		}
 12477  		j := w0.AuxInt
 12478  		w := w0.Args[0]
 12479  		x := v.Args[2]
 12480  		if x.Op != OpS390XMOVHstore {
 12481  			break
 12482  		}
 12483  		if x.AuxInt != i-2 {
 12484  			break
 12485  		}
 12486  		if x.Aux != s {
 12487  			break
 12488  		}
 12489  		if p != x.Args[0] {
 12490  			break
 12491  		}
 12492  		x_1 := x.Args[1]
 12493  		if x_1.Op != OpS390XSRWconst {
 12494  			break
 12495  		}
 12496  		if x_1.AuxInt != j+16 {
 12497  			break
 12498  		}
 12499  		if w != x_1.Args[0] {
 12500  			break
 12501  		}
 12502  		mem := x.Args[2]
 12503  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 12504  			break
 12505  		}
 12506  		v.reset(OpS390XMOVWstore)
 12507  		v.AuxInt = i - 2
 12508  		v.Aux = s
 12509  		v.AddArg(p)
 12510  		v.AddArg(w0)
 12511  		v.AddArg(mem)
 12512  		return true
 12513  	}
 12514  	return false
 12515  }
 12516  func rewriteValueS390X_OpS390XMOVHstoreconst(v *Value, config *Config) bool {
 12517  	b := v.Block
 12518  	_ = b
 12519  	// match: (MOVHstoreconst [sc] {s} (ADDconst [off] ptr) mem)
 12520  	// cond: ValAndOff(sc).canAdd(off)
 12521  	// result: (MOVHstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
 12522  	for {
 12523  		sc := v.AuxInt
 12524  		s := v.Aux
 12525  		v_0 := v.Args[0]
 12526  		if v_0.Op != OpS390XADDconst {
 12527  			break
 12528  		}
 12529  		off := v_0.AuxInt
 12530  		ptr := v_0.Args[0]
 12531  		mem := v.Args[1]
 12532  		if !(ValAndOff(sc).canAdd(off)) {
 12533  			break
 12534  		}
 12535  		v.reset(OpS390XMOVHstoreconst)
 12536  		v.AuxInt = ValAndOff(sc).add(off)
 12537  		v.Aux = s
 12538  		v.AddArg(ptr)
 12539  		v.AddArg(mem)
 12540  		return true
 12541  	}
 12542  	// match: (MOVHstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
 12543  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
 12544  	// result: (MOVHstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
 12545  	for {
 12546  		sc := v.AuxInt
 12547  		sym1 := v.Aux
 12548  		v_0 := v.Args[0]
 12549  		if v_0.Op != OpS390XMOVDaddr {
 12550  			break
 12551  		}
 12552  		off := v_0.AuxInt
 12553  		sym2 := v_0.Aux
 12554  		ptr := v_0.Args[0]
 12555  		mem := v.Args[1]
 12556  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
 12557  			break
 12558  		}
 12559  		v.reset(OpS390XMOVHstoreconst)
 12560  		v.AuxInt = ValAndOff(sc).add(off)
 12561  		v.Aux = mergeSym(sym1, sym2)
 12562  		v.AddArg(ptr)
 12563  		v.AddArg(mem)
 12564  		return true
 12565  	}
 12566  	// match: (MOVHstoreconst [c] {s} p x:(MOVHstoreconst [a] {s} p mem))
 12567  	// cond: p.Op != OpSB   && x.Uses == 1   && ValAndOff(a).Off() + 2 == ValAndOff(c).Off()   && clobber(x)
 12568  	// result: (MOVWstoreconst [makeValAndOff(ValAndOff(c).Val()&0xffff | ValAndOff(a).Val()<<16, ValAndOff(a).Off())] {s} p mem)
 12569  	for {
 12570  		c := v.AuxInt
 12571  		s := v.Aux
 12572  		p := v.Args[0]
 12573  		x := v.Args[1]
 12574  		if x.Op != OpS390XMOVHstoreconst {
 12575  			break
 12576  		}
 12577  		a := x.AuxInt
 12578  		if x.Aux != s {
 12579  			break
 12580  		}
 12581  		if p != x.Args[0] {
 12582  			break
 12583  		}
 12584  		mem := x.Args[1]
 12585  		if !(p.Op != OpSB && x.Uses == 1 && ValAndOff(a).Off()+2 == ValAndOff(c).Off() && clobber(x)) {
 12586  			break
 12587  		}
 12588  		v.reset(OpS390XMOVWstoreconst)
 12589  		v.AuxInt = makeValAndOff(ValAndOff(c).Val()&0xffff|ValAndOff(a).Val()<<16, ValAndOff(a).Off())
 12590  		v.Aux = s
 12591  		v.AddArg(p)
 12592  		v.AddArg(mem)
 12593  		return true
 12594  	}
 12595  	return false
 12596  }
 12597  func rewriteValueS390X_OpS390XMOVHstoreidx(v *Value, config *Config) bool {
 12598  	b := v.Block
 12599  	_ = b
 12600  	// match: (MOVHstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
 12601  	// cond:
 12602  	// result: (MOVHstoreidx [c+d] {sym} ptr idx val mem)
 12603  	for {
 12604  		c := v.AuxInt
 12605  		sym := v.Aux
 12606  		v_0 := v.Args[0]
 12607  		if v_0.Op != OpS390XADDconst {
 12608  			break
 12609  		}
 12610  		d := v_0.AuxInt
 12611  		ptr := v_0.Args[0]
 12612  		idx := v.Args[1]
 12613  		val := v.Args[2]
 12614  		mem := v.Args[3]
 12615  		v.reset(OpS390XMOVHstoreidx)
 12616  		v.AuxInt = c + d
 12617  		v.Aux = sym
 12618  		v.AddArg(ptr)
 12619  		v.AddArg(idx)
 12620  		v.AddArg(val)
 12621  		v.AddArg(mem)
 12622  		return true
 12623  	}
 12624  	// match: (MOVHstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
 12625  	// cond:
 12626  	// result: (MOVHstoreidx [c+d] {sym} ptr idx val mem)
 12627  	for {
 12628  		c := v.AuxInt
 12629  		sym := v.Aux
 12630  		ptr := v.Args[0]
 12631  		v_1 := v.Args[1]
 12632  		if v_1.Op != OpS390XADDconst {
 12633  			break
 12634  		}
 12635  		d := v_1.AuxInt
 12636  		idx := v_1.Args[0]
 12637  		val := v.Args[2]
 12638  		mem := v.Args[3]
 12639  		v.reset(OpS390XMOVHstoreidx)
 12640  		v.AuxInt = c + d
 12641  		v.Aux = sym
 12642  		v.AddArg(ptr)
 12643  		v.AddArg(idx)
 12644  		v.AddArg(val)
 12645  		v.AddArg(mem)
 12646  		return true
 12647  	}
 12648  	// match: (MOVHstoreidx [i] {s} p idx w x:(MOVHstoreidx [i-2] {s} p idx (SRDconst [16] w) mem))
 12649  	// cond: x.Uses == 1   && clobber(x)
 12650  	// result: (MOVWstoreidx [i-2] {s} p idx w mem)
 12651  	for {
 12652  		i := v.AuxInt
 12653  		s := v.Aux
 12654  		p := v.Args[0]
 12655  		idx := v.Args[1]
 12656  		w := v.Args[2]
 12657  		x := v.Args[3]
 12658  		if x.Op != OpS390XMOVHstoreidx {
 12659  			break
 12660  		}
 12661  		if x.AuxInt != i-2 {
 12662  			break
 12663  		}
 12664  		if x.Aux != s {
 12665  			break
 12666  		}
 12667  		if p != x.Args[0] {
 12668  			break
 12669  		}
 12670  		if idx != x.Args[1] {
 12671  			break
 12672  		}
 12673  		x_2 := x.Args[2]
 12674  		if x_2.Op != OpS390XSRDconst {
 12675  			break
 12676  		}
 12677  		if x_2.AuxInt != 16 {
 12678  			break
 12679  		}
 12680  		if w != x_2.Args[0] {
 12681  			break
 12682  		}
 12683  		mem := x.Args[3]
 12684  		if !(x.Uses == 1 && clobber(x)) {
 12685  			break
 12686  		}
 12687  		v.reset(OpS390XMOVWstoreidx)
 12688  		v.AuxInt = i - 2
 12689  		v.Aux = s
 12690  		v.AddArg(p)
 12691  		v.AddArg(idx)
 12692  		v.AddArg(w)
 12693  		v.AddArg(mem)
 12694  		return true
 12695  	}
 12696  	// match: (MOVHstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVHstoreidx [i-2] {s} p idx (SRDconst [j+16] w) mem))
 12697  	// cond: x.Uses == 1   && clobber(x)
 12698  	// result: (MOVWstoreidx [i-2] {s} p idx w0 mem)
 12699  	for {
 12700  		i := v.AuxInt
 12701  		s := v.Aux
 12702  		p := v.Args[0]
 12703  		idx := v.Args[1]
 12704  		w0 := v.Args[2]
 12705  		if w0.Op != OpS390XSRDconst {
 12706  			break
 12707  		}
 12708  		j := w0.AuxInt
 12709  		w := w0.Args[0]
 12710  		x := v.Args[3]
 12711  		if x.Op != OpS390XMOVHstoreidx {
 12712  			break
 12713  		}
 12714  		if x.AuxInt != i-2 {
 12715  			break
 12716  		}
 12717  		if x.Aux != s {
 12718  			break
 12719  		}
 12720  		if p != x.Args[0] {
 12721  			break
 12722  		}
 12723  		if idx != x.Args[1] {
 12724  			break
 12725  		}
 12726  		x_2 := x.Args[2]
 12727  		if x_2.Op != OpS390XSRDconst {
 12728  			break
 12729  		}
 12730  		if x_2.AuxInt != j+16 {
 12731  			break
 12732  		}
 12733  		if w != x_2.Args[0] {
 12734  			break
 12735  		}
 12736  		mem := x.Args[3]
 12737  		if !(x.Uses == 1 && clobber(x)) {
 12738  			break
 12739  		}
 12740  		v.reset(OpS390XMOVWstoreidx)
 12741  		v.AuxInt = i - 2
 12742  		v.Aux = s
 12743  		v.AddArg(p)
 12744  		v.AddArg(idx)
 12745  		v.AddArg(w0)
 12746  		v.AddArg(mem)
 12747  		return true
 12748  	}
 12749  	// match: (MOVHstoreidx [i] {s} p idx w x:(MOVHstoreidx [i-2] {s} p idx (SRWconst [16] w) mem))
 12750  	// cond: x.Uses == 1   && clobber(x)
 12751  	// result: (MOVWstoreidx [i-2] {s} p idx w mem)
 12752  	for {
 12753  		i := v.AuxInt
 12754  		s := v.Aux
 12755  		p := v.Args[0]
 12756  		idx := v.Args[1]
 12757  		w := v.Args[2]
 12758  		x := v.Args[3]
 12759  		if x.Op != OpS390XMOVHstoreidx {
 12760  			break
 12761  		}
 12762  		if x.AuxInt != i-2 {
 12763  			break
 12764  		}
 12765  		if x.Aux != s {
 12766  			break
 12767  		}
 12768  		if p != x.Args[0] {
 12769  			break
 12770  		}
 12771  		if idx != x.Args[1] {
 12772  			break
 12773  		}
 12774  		x_2 := x.Args[2]
 12775  		if x_2.Op != OpS390XSRWconst {
 12776  			break
 12777  		}
 12778  		if x_2.AuxInt != 16 {
 12779  			break
 12780  		}
 12781  		if w != x_2.Args[0] {
 12782  			break
 12783  		}
 12784  		mem := x.Args[3]
 12785  		if !(x.Uses == 1 && clobber(x)) {
 12786  			break
 12787  		}
 12788  		v.reset(OpS390XMOVWstoreidx)
 12789  		v.AuxInt = i - 2
 12790  		v.Aux = s
 12791  		v.AddArg(p)
 12792  		v.AddArg(idx)
 12793  		v.AddArg(w)
 12794  		v.AddArg(mem)
 12795  		return true
 12796  	}
 12797  	// match: (MOVHstoreidx [i] {s} p idx w0:(SRWconst [j] w) x:(MOVHstoreidx [i-2] {s} p idx (SRWconst [j+16] w) mem))
 12798  	// cond: x.Uses == 1   && clobber(x)
 12799  	// result: (MOVWstoreidx [i-2] {s} p idx w0 mem)
 12800  	for {
 12801  		i := v.AuxInt
 12802  		s := v.Aux
 12803  		p := v.Args[0]
 12804  		idx := v.Args[1]
 12805  		w0 := v.Args[2]
 12806  		if w0.Op != OpS390XSRWconst {
 12807  			break
 12808  		}
 12809  		j := w0.AuxInt
 12810  		w := w0.Args[0]
 12811  		x := v.Args[3]
 12812  		if x.Op != OpS390XMOVHstoreidx {
 12813  			break
 12814  		}
 12815  		if x.AuxInt != i-2 {
 12816  			break
 12817  		}
 12818  		if x.Aux != s {
 12819  			break
 12820  		}
 12821  		if p != x.Args[0] {
 12822  			break
 12823  		}
 12824  		if idx != x.Args[1] {
 12825  			break
 12826  		}
 12827  		x_2 := x.Args[2]
 12828  		if x_2.Op != OpS390XSRWconst {
 12829  			break
 12830  		}
 12831  		if x_2.AuxInt != j+16 {
 12832  			break
 12833  		}
 12834  		if w != x_2.Args[0] {
 12835  			break
 12836  		}
 12837  		mem := x.Args[3]
 12838  		if !(x.Uses == 1 && clobber(x)) {
 12839  			break
 12840  		}
 12841  		v.reset(OpS390XMOVWstoreidx)
 12842  		v.AuxInt = i - 2
 12843  		v.Aux = s
 12844  		v.AddArg(p)
 12845  		v.AddArg(idx)
 12846  		v.AddArg(w0)
 12847  		v.AddArg(mem)
 12848  		return true
 12849  	}
 12850  	return false
 12851  }
 12852  func rewriteValueS390X_OpS390XMOVWBRstore(v *Value, config *Config) bool {
 12853  	b := v.Block
 12854  	_ = b
 12855  	// match: (MOVWBRstore [i] {s} p (SRDconst [32] w) x:(MOVWBRstore [i-4] {s} p w mem))
 12856  	// cond: x.Uses == 1   && clobber(x)
 12857  	// result: (MOVDBRstore [i-4] {s} p w mem)
 12858  	for {
 12859  		i := v.AuxInt
 12860  		s := v.Aux
 12861  		p := v.Args[0]
 12862  		v_1 := v.Args[1]
 12863  		if v_1.Op != OpS390XSRDconst {
 12864  			break
 12865  		}
 12866  		if v_1.AuxInt != 32 {
 12867  			break
 12868  		}
 12869  		w := v_1.Args[0]
 12870  		x := v.Args[2]
 12871  		if x.Op != OpS390XMOVWBRstore {
 12872  			break
 12873  		}
 12874  		if x.AuxInt != i-4 {
 12875  			break
 12876  		}
 12877  		if x.Aux != s {
 12878  			break
 12879  		}
 12880  		if p != x.Args[0] {
 12881  			break
 12882  		}
 12883  		if w != x.Args[1] {
 12884  			break
 12885  		}
 12886  		mem := x.Args[2]
 12887  		if !(x.Uses == 1 && clobber(x)) {
 12888  			break
 12889  		}
 12890  		v.reset(OpS390XMOVDBRstore)
 12891  		v.AuxInt = i - 4
 12892  		v.Aux = s
 12893  		v.AddArg(p)
 12894  		v.AddArg(w)
 12895  		v.AddArg(mem)
 12896  		return true
 12897  	}
 12898  	// match: (MOVWBRstore [i] {s} p (SRDconst [j] w) x:(MOVWBRstore [i-4] {s} p w0:(SRDconst [j-32] w) mem))
 12899  	// cond: x.Uses == 1   && clobber(x)
 12900  	// result: (MOVDBRstore [i-4] {s} p w0 mem)
 12901  	for {
 12902  		i := v.AuxInt
 12903  		s := v.Aux
 12904  		p := v.Args[0]
 12905  		v_1 := v.Args[1]
 12906  		if v_1.Op != OpS390XSRDconst {
 12907  			break
 12908  		}
 12909  		j := v_1.AuxInt
 12910  		w := v_1.Args[0]
 12911  		x := v.Args[2]
 12912  		if x.Op != OpS390XMOVWBRstore {
 12913  			break
 12914  		}
 12915  		if x.AuxInt != i-4 {
 12916  			break
 12917  		}
 12918  		if x.Aux != s {
 12919  			break
 12920  		}
 12921  		if p != x.Args[0] {
 12922  			break
 12923  		}
 12924  		w0 := x.Args[1]
 12925  		if w0.Op != OpS390XSRDconst {
 12926  			break
 12927  		}
 12928  		if w0.AuxInt != j-32 {
 12929  			break
 12930  		}
 12931  		if w != w0.Args[0] {
 12932  			break
 12933  		}
 12934  		mem := x.Args[2]
 12935  		if !(x.Uses == 1 && clobber(x)) {
 12936  			break
 12937  		}
 12938  		v.reset(OpS390XMOVDBRstore)
 12939  		v.AuxInt = i - 4
 12940  		v.Aux = s
 12941  		v.AddArg(p)
 12942  		v.AddArg(w0)
 12943  		v.AddArg(mem)
 12944  		return true
 12945  	}
 12946  	return false
 12947  }
 12948  func rewriteValueS390X_OpS390XMOVWBRstoreidx(v *Value, config *Config) bool {
 12949  	b := v.Block
 12950  	_ = b
 12951  	// match: (MOVWBRstoreidx [i] {s} p idx (SRDconst [32] w) x:(MOVWBRstoreidx [i-4] {s} p idx w mem))
 12952  	// cond: x.Uses == 1   && clobber(x)
 12953  	// result: (MOVDBRstoreidx [i-4] {s} p idx w mem)
 12954  	for {
 12955  		i := v.AuxInt
 12956  		s := v.Aux
 12957  		p := v.Args[0]
 12958  		idx := v.Args[1]
 12959  		v_2 := v.Args[2]
 12960  		if v_2.Op != OpS390XSRDconst {
 12961  			break
 12962  		}
 12963  		if v_2.AuxInt != 32 {
 12964  			break
 12965  		}
 12966  		w := v_2.Args[0]
 12967  		x := v.Args[3]
 12968  		if x.Op != OpS390XMOVWBRstoreidx {
 12969  			break
 12970  		}
 12971  		if x.AuxInt != i-4 {
 12972  			break
 12973  		}
 12974  		if x.Aux != s {
 12975  			break
 12976  		}
 12977  		if p != x.Args[0] {
 12978  			break
 12979  		}
 12980  		if idx != x.Args[1] {
 12981  			break
 12982  		}
 12983  		if w != x.Args[2] {
 12984  			break
 12985  		}
 12986  		mem := x.Args[3]
 12987  		if !(x.Uses == 1 && clobber(x)) {
 12988  			break
 12989  		}
 12990  		v.reset(OpS390XMOVDBRstoreidx)
 12991  		v.AuxInt = i - 4
 12992  		v.Aux = s
 12993  		v.AddArg(p)
 12994  		v.AddArg(idx)
 12995  		v.AddArg(w)
 12996  		v.AddArg(mem)
 12997  		return true
 12998  	}
 12999  	// match: (MOVWBRstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVWBRstoreidx [i-4] {s} p idx w0:(SRDconst [j-32] w) mem))
 13000  	// cond: x.Uses == 1   && clobber(x)
 13001  	// result: (MOVDBRstoreidx [i-4] {s} p idx w0 mem)
 13002  	for {
 13003  		i := v.AuxInt
 13004  		s := v.Aux
 13005  		p := v.Args[0]
 13006  		idx := v.Args[1]
 13007  		v_2 := v.Args[2]
 13008  		if v_2.Op != OpS390XSRDconst {
 13009  			break
 13010  		}
 13011  		j := v_2.AuxInt
 13012  		w := v_2.Args[0]
 13013  		x := v.Args[3]
 13014  		if x.Op != OpS390XMOVWBRstoreidx {
 13015  			break
 13016  		}
 13017  		if x.AuxInt != i-4 {
 13018  			break
 13019  		}
 13020  		if x.Aux != s {
 13021  			break
 13022  		}
 13023  		if p != x.Args[0] {
 13024  			break
 13025  		}
 13026  		if idx != x.Args[1] {
 13027  			break
 13028  		}
 13029  		w0 := x.Args[2]
 13030  		if w0.Op != OpS390XSRDconst {
 13031  			break
 13032  		}
 13033  		if w0.AuxInt != j-32 {
 13034  			break
 13035  		}
 13036  		if w != w0.Args[0] {
 13037  			break
 13038  		}
 13039  		mem := x.Args[3]
 13040  		if !(x.Uses == 1 && clobber(x)) {
 13041  			break
 13042  		}
 13043  		v.reset(OpS390XMOVDBRstoreidx)
 13044  		v.AuxInt = i - 4
 13045  		v.Aux = s
 13046  		v.AddArg(p)
 13047  		v.AddArg(idx)
 13048  		v.AddArg(w0)
 13049  		v.AddArg(mem)
 13050  		return true
 13051  	}
 13052  	return false
 13053  }
 13054  func rewriteValueS390X_OpS390XMOVWZload(v *Value, config *Config) bool {
 13055  	b := v.Block
 13056  	_ = b
 13057  	// match: (MOVWZload [off] {sym} ptr (MOVWstore [off2] {sym2} ptr2 x _))
 13058  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 13059  	// result: (MOVDreg x)
 13060  	for {
 13061  		off := v.AuxInt
 13062  		sym := v.Aux
 13063  		ptr := v.Args[0]
 13064  		v_1 := v.Args[1]
 13065  		if v_1.Op != OpS390XMOVWstore {
 13066  			break
 13067  		}
 13068  		off2 := v_1.AuxInt
 13069  		sym2 := v_1.Aux
 13070  		ptr2 := v_1.Args[0]
 13071  		x := v_1.Args[1]
 13072  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 13073  			break
 13074  		}
 13075  		v.reset(OpS390XMOVDreg)
 13076  		v.AddArg(x)
 13077  		return true
 13078  	}
 13079  	// match: (MOVWZload  [off1] {sym} (ADDconst [off2] ptr) mem)
 13080  	// cond: is20Bit(off1+off2)
 13081  	// result: (MOVWZload [off1+off2] {sym} ptr mem)
 13082  	for {
 13083  		off1 := v.AuxInt
 13084  		sym := v.Aux
 13085  		v_0 := v.Args[0]
 13086  		if v_0.Op != OpS390XADDconst {
 13087  			break
 13088  		}
 13089  		off2 := v_0.AuxInt
 13090  		ptr := v_0.Args[0]
 13091  		mem := v.Args[1]
 13092  		if !(is20Bit(off1 + off2)) {
 13093  			break
 13094  		}
 13095  		v.reset(OpS390XMOVWZload)
 13096  		v.AuxInt = off1 + off2
 13097  		v.Aux = sym
 13098  		v.AddArg(ptr)
 13099  		v.AddArg(mem)
 13100  		return true
 13101  	}
 13102  	// match: (MOVWZload  [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 13103  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 13104  	// result: (MOVWZload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
 13105  	for {
 13106  		off1 := v.AuxInt
 13107  		sym1 := v.Aux
 13108  		v_0 := v.Args[0]
 13109  		if v_0.Op != OpS390XMOVDaddr {
 13110  			break
 13111  		}
 13112  		off2 := v_0.AuxInt
 13113  		sym2 := v_0.Aux
 13114  		base := v_0.Args[0]
 13115  		mem := v.Args[1]
 13116  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 13117  			break
 13118  		}
 13119  		v.reset(OpS390XMOVWZload)
 13120  		v.AuxInt = off1 + off2
 13121  		v.Aux = mergeSym(sym1, sym2)
 13122  		v.AddArg(base)
 13123  		v.AddArg(mem)
 13124  		return true
 13125  	}
 13126  	// match: (MOVWZload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
 13127  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 13128  	// result: (MOVWZloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
 13129  	for {
 13130  		off1 := v.AuxInt
 13131  		sym1 := v.Aux
 13132  		v_0 := v.Args[0]
 13133  		if v_0.Op != OpS390XMOVDaddridx {
 13134  			break
 13135  		}
 13136  		off2 := v_0.AuxInt
 13137  		sym2 := v_0.Aux
 13138  		ptr := v_0.Args[0]
 13139  		idx := v_0.Args[1]
 13140  		mem := v.Args[1]
 13141  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 13142  			break
 13143  		}
 13144  		v.reset(OpS390XMOVWZloadidx)
 13145  		v.AuxInt = off1 + off2
 13146  		v.Aux = mergeSym(sym1, sym2)
 13147  		v.AddArg(ptr)
 13148  		v.AddArg(idx)
 13149  		v.AddArg(mem)
 13150  		return true
 13151  	}
 13152  	// match: (MOVWZload [off] {sym} (ADD ptr idx) mem)
 13153  	// cond: ptr.Op != OpSB
 13154  	// result: (MOVWZloadidx [off] {sym} ptr idx mem)
 13155  	for {
 13156  		off := v.AuxInt
 13157  		sym := v.Aux
 13158  		v_0 := v.Args[0]
 13159  		if v_0.Op != OpS390XADD {
 13160  			break
 13161  		}
 13162  		ptr := v_0.Args[0]
 13163  		idx := v_0.Args[1]
 13164  		mem := v.Args[1]
 13165  		if !(ptr.Op != OpSB) {
 13166  			break
 13167  		}
 13168  		v.reset(OpS390XMOVWZloadidx)
 13169  		v.AuxInt = off
 13170  		v.Aux = sym
 13171  		v.AddArg(ptr)
 13172  		v.AddArg(idx)
 13173  		v.AddArg(mem)
 13174  		return true
 13175  	}
 13176  	return false
 13177  }
 13178  func rewriteValueS390X_OpS390XMOVWZloadidx(v *Value, config *Config) bool {
 13179  	b := v.Block
 13180  	_ = b
 13181  	// match: (MOVWZloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
 13182  	// cond:
 13183  	// result: (MOVWZloadidx [c+d] {sym} ptr idx mem)
 13184  	for {
 13185  		c := v.AuxInt
 13186  		sym := v.Aux
 13187  		v_0 := v.Args[0]
 13188  		if v_0.Op != OpS390XADDconst {
 13189  			break
 13190  		}
 13191  		d := v_0.AuxInt
 13192  		ptr := v_0.Args[0]
 13193  		idx := v.Args[1]
 13194  		mem := v.Args[2]
 13195  		v.reset(OpS390XMOVWZloadidx)
 13196  		v.AuxInt = c + d
 13197  		v.Aux = sym
 13198  		v.AddArg(ptr)
 13199  		v.AddArg(idx)
 13200  		v.AddArg(mem)
 13201  		return true
 13202  	}
 13203  	// match: (MOVWZloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
 13204  	// cond:
 13205  	// result: (MOVWZloadidx [c+d] {sym} ptr idx mem)
 13206  	for {
 13207  		c := v.AuxInt
 13208  		sym := v.Aux
 13209  		ptr := v.Args[0]
 13210  		v_1 := v.Args[1]
 13211  		if v_1.Op != OpS390XADDconst {
 13212  			break
 13213  		}
 13214  		d := v_1.AuxInt
 13215  		idx := v_1.Args[0]
 13216  		mem := v.Args[2]
 13217  		v.reset(OpS390XMOVWZloadidx)
 13218  		v.AuxInt = c + d
 13219  		v.Aux = sym
 13220  		v.AddArg(ptr)
 13221  		v.AddArg(idx)
 13222  		v.AddArg(mem)
 13223  		return true
 13224  	}
 13225  	return false
 13226  }
 13227  func rewriteValueS390X_OpS390XMOVWZreg(v *Value, config *Config) bool {
 13228  	b := v.Block
 13229  	_ = b
 13230  	// match: (MOVWZreg x:(MOVBZload _ _))
 13231  	// cond:
 13232  	// result: (MOVDreg x)
 13233  	for {
 13234  		x := v.Args[0]
 13235  		if x.Op != OpS390XMOVBZload {
 13236  			break
 13237  		}
 13238  		v.reset(OpS390XMOVDreg)
 13239  		v.AddArg(x)
 13240  		return true
 13241  	}
 13242  	// match: (MOVWZreg x:(MOVHZload _ _))
 13243  	// cond:
 13244  	// result: (MOVDreg x)
 13245  	for {
 13246  		x := v.Args[0]
 13247  		if x.Op != OpS390XMOVHZload {
 13248  			break
 13249  		}
 13250  		v.reset(OpS390XMOVDreg)
 13251  		v.AddArg(x)
 13252  		return true
 13253  	}
 13254  	// match: (MOVWZreg x:(MOVWZload _ _))
 13255  	// cond:
 13256  	// result: (MOVDreg x)
 13257  	for {
 13258  		x := v.Args[0]
 13259  		if x.Op != OpS390XMOVWZload {
 13260  			break
 13261  		}
 13262  		v.reset(OpS390XMOVDreg)
 13263  		v.AddArg(x)
 13264  		return true
 13265  	}
 13266  	// match: (MOVWZreg x:(Arg <t>))
 13267  	// cond: (is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && !isSigned(t)
 13268  	// result: (MOVDreg x)
 13269  	for {
 13270  		x := v.Args[0]
 13271  		if x.Op != OpArg {
 13272  			break
 13273  		}
 13274  		t := x.Type
 13275  		if !((is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && !isSigned(t)) {
 13276  			break
 13277  		}
 13278  		v.reset(OpS390XMOVDreg)
 13279  		v.AddArg(x)
 13280  		return true
 13281  	}
 13282  	// match: (MOVWZreg x:(MOVBZreg _))
 13283  	// cond:
 13284  	// result: (MOVDreg x)
 13285  	for {
 13286  		x := v.Args[0]
 13287  		if x.Op != OpS390XMOVBZreg {
 13288  			break
 13289  		}
 13290  		v.reset(OpS390XMOVDreg)
 13291  		v.AddArg(x)
 13292  		return true
 13293  	}
 13294  	// match: (MOVWZreg x:(MOVHZreg _))
 13295  	// cond:
 13296  	// result: (MOVDreg x)
 13297  	for {
 13298  		x := v.Args[0]
 13299  		if x.Op != OpS390XMOVHZreg {
 13300  			break
 13301  		}
 13302  		v.reset(OpS390XMOVDreg)
 13303  		v.AddArg(x)
 13304  		return true
 13305  	}
 13306  	// match: (MOVWZreg x:(MOVWZreg _))
 13307  	// cond:
 13308  	// result: (MOVDreg x)
 13309  	for {
 13310  		x := v.Args[0]
 13311  		if x.Op != OpS390XMOVWZreg {
 13312  			break
 13313  		}
 13314  		v.reset(OpS390XMOVDreg)
 13315  		v.AddArg(x)
 13316  		return true
 13317  	}
 13318  	// match: (MOVWZreg (MOVDconst [c]))
 13319  	// cond:
 13320  	// result: (MOVDconst [int64(uint32(c))])
 13321  	for {
 13322  		v_0 := v.Args[0]
 13323  		if v_0.Op != OpS390XMOVDconst {
 13324  			break
 13325  		}
 13326  		c := v_0.AuxInt
 13327  		v.reset(OpS390XMOVDconst)
 13328  		v.AuxInt = int64(uint32(c))
 13329  		return true
 13330  	}
 13331  	// match: (MOVWZreg x:(MOVWZload [off] {sym} ptr mem))
 13332  	// cond: x.Uses == 1 && clobber(x)
 13333  	// result: @x.Block (MOVWZload <v.Type> [off] {sym} ptr mem)
 13334  	for {
 13335  		x := v.Args[0]
 13336  		if x.Op != OpS390XMOVWZload {
 13337  			break
 13338  		}
 13339  		off := x.AuxInt
 13340  		sym := x.Aux
 13341  		ptr := x.Args[0]
 13342  		mem := x.Args[1]
 13343  		if !(x.Uses == 1 && clobber(x)) {
 13344  			break
 13345  		}
 13346  		b = x.Block
 13347  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZload, v.Type)
 13348  		v.reset(OpCopy)
 13349  		v.AddArg(v0)
 13350  		v0.AuxInt = off
 13351  		v0.Aux = sym
 13352  		v0.AddArg(ptr)
 13353  		v0.AddArg(mem)
 13354  		return true
 13355  	}
 13356  	// match: (MOVWZreg x:(MOVWZloadidx [off] {sym} ptr idx mem))
 13357  	// cond: x.Uses == 1 && clobber(x)
 13358  	// result: @x.Block (MOVWZloadidx <v.Type> [off] {sym} ptr idx mem)
 13359  	for {
 13360  		x := v.Args[0]
 13361  		if x.Op != OpS390XMOVWZloadidx {
 13362  			break
 13363  		}
 13364  		off := x.AuxInt
 13365  		sym := x.Aux
 13366  		ptr := x.Args[0]
 13367  		idx := x.Args[1]
 13368  		mem := x.Args[2]
 13369  		if !(x.Uses == 1 && clobber(x)) {
 13370  			break
 13371  		}
 13372  		b = x.Block
 13373  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, v.Type)
 13374  		v.reset(OpCopy)
 13375  		v.AddArg(v0)
 13376  		v0.AuxInt = off
 13377  		v0.Aux = sym
 13378  		v0.AddArg(ptr)
 13379  		v0.AddArg(idx)
 13380  		v0.AddArg(mem)
 13381  		return true
 13382  	}
 13383  	return false
 13384  }
 13385  func rewriteValueS390X_OpS390XMOVWload(v *Value, config *Config) bool {
 13386  	b := v.Block
 13387  	_ = b
 13388  	// match: (MOVWload   [off1] {sym} (ADDconst [off2] ptr) mem)
 13389  	// cond: is20Bit(off1+off2)
 13390  	// result: (MOVWload  [off1+off2] {sym} ptr mem)
 13391  	for {
 13392  		off1 := v.AuxInt
 13393  		sym := v.Aux
 13394  		v_0 := v.Args[0]
 13395  		if v_0.Op != OpS390XADDconst {
 13396  			break
 13397  		}
 13398  		off2 := v_0.AuxInt
 13399  		ptr := v_0.Args[0]
 13400  		mem := v.Args[1]
 13401  		if !(is20Bit(off1 + off2)) {
 13402  			break
 13403  		}
 13404  		v.reset(OpS390XMOVWload)
 13405  		v.AuxInt = off1 + off2
 13406  		v.Aux = sym
 13407  		v.AddArg(ptr)
 13408  		v.AddArg(mem)
 13409  		return true
 13410  	}
 13411  	// match: (MOVWload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 13412  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 13413  	// result: (MOVWload [off1+off2] {mergeSym(sym1,sym2)} base mem)
 13414  	for {
 13415  		off1 := v.AuxInt
 13416  		sym1 := v.Aux
 13417  		v_0 := v.Args[0]
 13418  		if v_0.Op != OpS390XMOVDaddr {
 13419  			break
 13420  		}
 13421  		off2 := v_0.AuxInt
 13422  		sym2 := v_0.Aux
 13423  		base := v_0.Args[0]
 13424  		mem := v.Args[1]
 13425  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 13426  			break
 13427  		}
 13428  		v.reset(OpS390XMOVWload)
 13429  		v.AuxInt = off1 + off2
 13430  		v.Aux = mergeSym(sym1, sym2)
 13431  		v.AddArg(base)
 13432  		v.AddArg(mem)
 13433  		return true
 13434  	}
 13435  	return false
 13436  }
 13437  func rewriteValueS390X_OpS390XMOVWreg(v *Value, config *Config) bool {
 13438  	b := v.Block
 13439  	_ = b
 13440  	// match: (MOVWreg x:(MOVBload _ _))
 13441  	// cond:
 13442  	// result: (MOVDreg x)
 13443  	for {
 13444  		x := v.Args[0]
 13445  		if x.Op != OpS390XMOVBload {
 13446  			break
 13447  		}
 13448  		v.reset(OpS390XMOVDreg)
 13449  		v.AddArg(x)
 13450  		return true
 13451  	}
 13452  	// match: (MOVWreg x:(MOVBZload _ _))
 13453  	// cond:
 13454  	// result: (MOVDreg x)
 13455  	for {
 13456  		x := v.Args[0]
 13457  		if x.Op != OpS390XMOVBZload {
 13458  			break
 13459  		}
 13460  		v.reset(OpS390XMOVDreg)
 13461  		v.AddArg(x)
 13462  		return true
 13463  	}
 13464  	// match: (MOVWreg x:(MOVHload _ _))
 13465  	// cond:
 13466  	// result: (MOVDreg x)
 13467  	for {
 13468  		x := v.Args[0]
 13469  		if x.Op != OpS390XMOVHload {
 13470  			break
 13471  		}
 13472  		v.reset(OpS390XMOVDreg)
 13473  		v.AddArg(x)
 13474  		return true
 13475  	}
 13476  	// match: (MOVWreg x:(MOVHZload _ _))
 13477  	// cond:
 13478  	// result: (MOVDreg x)
 13479  	for {
 13480  		x := v.Args[0]
 13481  		if x.Op != OpS390XMOVHZload {
 13482  			break
 13483  		}
 13484  		v.reset(OpS390XMOVDreg)
 13485  		v.AddArg(x)
 13486  		return true
 13487  	}
 13488  	// match: (MOVWreg x:(MOVWload _ _))
 13489  	// cond:
 13490  	// result: (MOVDreg x)
 13491  	for {
 13492  		x := v.Args[0]
 13493  		if x.Op != OpS390XMOVWload {
 13494  			break
 13495  		}
 13496  		v.reset(OpS390XMOVDreg)
 13497  		v.AddArg(x)
 13498  		return true
 13499  	}
 13500  	// match: (MOVWreg x:(Arg <t>))
 13501  	// cond: (is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && isSigned(t)
 13502  	// result: (MOVDreg x)
 13503  	for {
 13504  		x := v.Args[0]
 13505  		if x.Op != OpArg {
 13506  			break
 13507  		}
 13508  		t := x.Type
 13509  		if !((is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && isSigned(t)) {
 13510  			break
 13511  		}
 13512  		v.reset(OpS390XMOVDreg)
 13513  		v.AddArg(x)
 13514  		return true
 13515  	}
 13516  	// match: (MOVWreg x:(MOVBreg _))
 13517  	// cond:
 13518  	// result: (MOVDreg x)
 13519  	for {
 13520  		x := v.Args[0]
 13521  		if x.Op != OpS390XMOVBreg {
 13522  			break
 13523  		}
 13524  		v.reset(OpS390XMOVDreg)
 13525  		v.AddArg(x)
 13526  		return true
 13527  	}
 13528  	// match: (MOVWreg x:(MOVBZreg _))
 13529  	// cond:
 13530  	// result: (MOVDreg x)
 13531  	for {
 13532  		x := v.Args[0]
 13533  		if x.Op != OpS390XMOVBZreg {
 13534  			break
 13535  		}
 13536  		v.reset(OpS390XMOVDreg)
 13537  		v.AddArg(x)
 13538  		return true
 13539  	}
 13540  	// match: (MOVWreg x:(MOVHreg _))
 13541  	// cond:
 13542  	// result: (MOVDreg x)
 13543  	for {
 13544  		x := v.Args[0]
 13545  		if x.Op != OpS390XMOVHreg {
 13546  			break
 13547  		}
 13548  		v.reset(OpS390XMOVDreg)
 13549  		v.AddArg(x)
 13550  		return true
 13551  	}
 13552  	// match: (MOVWreg x:(MOVHreg _))
 13553  	// cond:
 13554  	// result: (MOVDreg x)
 13555  	for {
 13556  		x := v.Args[0]
 13557  		if x.Op != OpS390XMOVHreg {
 13558  			break
 13559  		}
 13560  		v.reset(OpS390XMOVDreg)
 13561  		v.AddArg(x)
 13562  		return true
 13563  	}
 13564  	// match: (MOVWreg x:(MOVWreg _))
 13565  	// cond:
 13566  	// result: (MOVDreg x)
 13567  	for {
 13568  		x := v.Args[0]
 13569  		if x.Op != OpS390XMOVWreg {
 13570  			break
 13571  		}
 13572  		v.reset(OpS390XMOVDreg)
 13573  		v.AddArg(x)
 13574  		return true
 13575  	}
 13576  	// match: (MOVWreg (MOVDconst [c]))
 13577  	// cond:
 13578  	// result: (MOVDconst [int64(int32(c))])
 13579  	for {
 13580  		v_0 := v.Args[0]
 13581  		if v_0.Op != OpS390XMOVDconst {
 13582  			break
 13583  		}
 13584  		c := v_0.AuxInt
 13585  		v.reset(OpS390XMOVDconst)
 13586  		v.AuxInt = int64(int32(c))
 13587  		return true
 13588  	}
 13589  	// match: (MOVWreg x:(MOVWZload [off] {sym} ptr mem))
 13590  	// cond: x.Uses == 1 && clobber(x)
 13591  	// result: @x.Block (MOVWload <v.Type> [off] {sym} ptr mem)
 13592  	for {
 13593  		x := v.Args[0]
 13594  		if x.Op != OpS390XMOVWZload {
 13595  			break
 13596  		}
 13597  		off := x.AuxInt
 13598  		sym := x.Aux
 13599  		ptr := x.Args[0]
 13600  		mem := x.Args[1]
 13601  		if !(x.Uses == 1 && clobber(x)) {
 13602  			break
 13603  		}
 13604  		b = x.Block
 13605  		v0 := b.NewValue0(v.Pos, OpS390XMOVWload, v.Type)
 13606  		v.reset(OpCopy)
 13607  		v.AddArg(v0)
 13608  		v0.AuxInt = off
 13609  		v0.Aux = sym
 13610  		v0.AddArg(ptr)
 13611  		v0.AddArg(mem)
 13612  		return true
 13613  	}
 13614  	return false
 13615  }
 13616  func rewriteValueS390X_OpS390XMOVWstore(v *Value, config *Config) bool {
 13617  	b := v.Block
 13618  	_ = b
 13619  	// match: (MOVWstore [off] {sym} ptr (MOVWreg x) mem)
 13620  	// cond:
 13621  	// result: (MOVWstore [off] {sym} ptr x mem)
 13622  	for {
 13623  		off := v.AuxInt
 13624  		sym := v.Aux
 13625  		ptr := v.Args[0]
 13626  		v_1 := v.Args[1]
 13627  		if v_1.Op != OpS390XMOVWreg {
 13628  			break
 13629  		}
 13630  		x := v_1.Args[0]
 13631  		mem := v.Args[2]
 13632  		v.reset(OpS390XMOVWstore)
 13633  		v.AuxInt = off
 13634  		v.Aux = sym
 13635  		v.AddArg(ptr)
 13636  		v.AddArg(x)
 13637  		v.AddArg(mem)
 13638  		return true
 13639  	}
 13640  	// match: (MOVWstore [off] {sym} ptr (MOVWZreg x) mem)
 13641  	// cond:
 13642  	// result: (MOVWstore [off] {sym} ptr x mem)
 13643  	for {
 13644  		off := v.AuxInt
 13645  		sym := v.Aux
 13646  		ptr := v.Args[0]
 13647  		v_1 := v.Args[1]
 13648  		if v_1.Op != OpS390XMOVWZreg {
 13649  			break
 13650  		}
 13651  		x := v_1.Args[0]
 13652  		mem := v.Args[2]
 13653  		v.reset(OpS390XMOVWstore)
 13654  		v.AuxInt = off
 13655  		v.Aux = sym
 13656  		v.AddArg(ptr)
 13657  		v.AddArg(x)
 13658  		v.AddArg(mem)
 13659  		return true
 13660  	}
 13661  	// match: (MOVWstore  [off1] {sym} (ADDconst [off2] ptr) val mem)
 13662  	// cond: is20Bit(off1+off2)
 13663  	// result: (MOVWstore  [off1+off2] {sym} ptr val mem)
 13664  	for {
 13665  		off1 := v.AuxInt
 13666  		sym := v.Aux
 13667  		v_0 := v.Args[0]
 13668  		if v_0.Op != OpS390XADDconst {
 13669  			break
 13670  		}
 13671  		off2 := v_0.AuxInt
 13672  		ptr := v_0.Args[0]
 13673  		val := v.Args[1]
 13674  		mem := v.Args[2]
 13675  		if !(is20Bit(off1 + off2)) {
 13676  			break
 13677  		}
 13678  		v.reset(OpS390XMOVWstore)
 13679  		v.AuxInt = off1 + off2
 13680  		v.Aux = sym
 13681  		v.AddArg(ptr)
 13682  		v.AddArg(val)
 13683  		v.AddArg(mem)
 13684  		return true
 13685  	}
 13686  	// match: (MOVWstore [off] {sym} ptr (MOVDconst [c]) mem)
 13687  	// cond: validOff(off) && int64(int16(c)) == c && ptr.Op != OpSB
 13688  	// result: (MOVWstoreconst [makeValAndOff(int64(int32(c)),off)] {sym} ptr mem)
 13689  	for {
 13690  		off := v.AuxInt
 13691  		sym := v.Aux
 13692  		ptr := v.Args[0]
 13693  		v_1 := v.Args[1]
 13694  		if v_1.Op != OpS390XMOVDconst {
 13695  			break
 13696  		}
 13697  		c := v_1.AuxInt
 13698  		mem := v.Args[2]
 13699  		if !(validOff(off) && int64(int16(c)) == c && ptr.Op != OpSB) {
 13700  			break
 13701  		}
 13702  		v.reset(OpS390XMOVWstoreconst)
 13703  		v.AuxInt = makeValAndOff(int64(int32(c)), off)
 13704  		v.Aux = sym
 13705  		v.AddArg(ptr)
 13706  		v.AddArg(mem)
 13707  		return true
 13708  	}
 13709  	// match: (MOVWstore  [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
 13710  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 13711  	// result: (MOVWstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
 13712  	for {
 13713  		off1 := v.AuxInt
 13714  		sym1 := v.Aux
 13715  		v_0 := v.Args[0]
 13716  		if v_0.Op != OpS390XMOVDaddr {
 13717  			break
 13718  		}
 13719  		off2 := v_0.AuxInt
 13720  		sym2 := v_0.Aux
 13721  		base := v_0.Args[0]
 13722  		val := v.Args[1]
 13723  		mem := v.Args[2]
 13724  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 13725  			break
 13726  		}
 13727  		v.reset(OpS390XMOVWstore)
 13728  		v.AuxInt = off1 + off2
 13729  		v.Aux = mergeSym(sym1, sym2)
 13730  		v.AddArg(base)
 13731  		v.AddArg(val)
 13732  		v.AddArg(mem)
 13733  		return true
 13734  	}
 13735  	// match: (MOVWstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
 13736  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 13737  	// result: (MOVWstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
 13738  	for {
 13739  		off1 := v.AuxInt
 13740  		sym1 := v.Aux
 13741  		v_0 := v.Args[0]
 13742  		if v_0.Op != OpS390XMOVDaddridx {
 13743  			break
 13744  		}
 13745  		off2 := v_0.AuxInt
 13746  		sym2 := v_0.Aux
 13747  		ptr := v_0.Args[0]
 13748  		idx := v_0.Args[1]
 13749  		val := v.Args[1]
 13750  		mem := v.Args[2]
 13751  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 13752  			break
 13753  		}
 13754  		v.reset(OpS390XMOVWstoreidx)
 13755  		v.AuxInt = off1 + off2
 13756  		v.Aux = mergeSym(sym1, sym2)
 13757  		v.AddArg(ptr)
 13758  		v.AddArg(idx)
 13759  		v.AddArg(val)
 13760  		v.AddArg(mem)
 13761  		return true
 13762  	}
 13763  	// match: (MOVWstore [off] {sym} (ADD ptr idx) val mem)
 13764  	// cond: ptr.Op != OpSB
 13765  	// result: (MOVWstoreidx [off] {sym} ptr idx val mem)
 13766  	for {
 13767  		off := v.AuxInt
 13768  		sym := v.Aux
 13769  		v_0 := v.Args[0]
 13770  		if v_0.Op != OpS390XADD {
 13771  			break
 13772  		}
 13773  		ptr := v_0.Args[0]
 13774  		idx := v_0.Args[1]
 13775  		val := v.Args[1]
 13776  		mem := v.Args[2]
 13777  		if !(ptr.Op != OpSB) {
 13778  			break
 13779  		}
 13780  		v.reset(OpS390XMOVWstoreidx)
 13781  		v.AuxInt = off
 13782  		v.Aux = sym
 13783  		v.AddArg(ptr)
 13784  		v.AddArg(idx)
 13785  		v.AddArg(val)
 13786  		v.AddArg(mem)
 13787  		return true
 13788  	}
 13789  	// match: (MOVWstore [i] {s} p (SRDconst [32] w) x:(MOVWstore [i-4] {s} p w mem))
 13790  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 13791  	// result: (MOVDstore [i-4] {s} p w mem)
 13792  	for {
 13793  		i := v.AuxInt
 13794  		s := v.Aux
 13795  		p := v.Args[0]
 13796  		v_1 := v.Args[1]
 13797  		if v_1.Op != OpS390XSRDconst {
 13798  			break
 13799  		}
 13800  		if v_1.AuxInt != 32 {
 13801  			break
 13802  		}
 13803  		w := v_1.Args[0]
 13804  		x := v.Args[2]
 13805  		if x.Op != OpS390XMOVWstore {
 13806  			break
 13807  		}
 13808  		if x.AuxInt != i-4 {
 13809  			break
 13810  		}
 13811  		if x.Aux != s {
 13812  			break
 13813  		}
 13814  		if p != x.Args[0] {
 13815  			break
 13816  		}
 13817  		if w != x.Args[1] {
 13818  			break
 13819  		}
 13820  		mem := x.Args[2]
 13821  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 13822  			break
 13823  		}
 13824  		v.reset(OpS390XMOVDstore)
 13825  		v.AuxInt = i - 4
 13826  		v.Aux = s
 13827  		v.AddArg(p)
 13828  		v.AddArg(w)
 13829  		v.AddArg(mem)
 13830  		return true
 13831  	}
 13832  	// match: (MOVWstore [i] {s} p w0:(SRDconst [j] w) x:(MOVWstore [i-4] {s} p (SRDconst [j+32] w) mem))
 13833  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 13834  	// result: (MOVDstore [i-4] {s} p w0 mem)
 13835  	for {
 13836  		i := v.AuxInt
 13837  		s := v.Aux
 13838  		p := v.Args[0]
 13839  		w0 := v.Args[1]
 13840  		if w0.Op != OpS390XSRDconst {
 13841  			break
 13842  		}
 13843  		j := w0.AuxInt
 13844  		w := w0.Args[0]
 13845  		x := v.Args[2]
 13846  		if x.Op != OpS390XMOVWstore {
 13847  			break
 13848  		}
 13849  		if x.AuxInt != i-4 {
 13850  			break
 13851  		}
 13852  		if x.Aux != s {
 13853  			break
 13854  		}
 13855  		if p != x.Args[0] {
 13856  			break
 13857  		}
 13858  		x_1 := x.Args[1]
 13859  		if x_1.Op != OpS390XSRDconst {
 13860  			break
 13861  		}
 13862  		if x_1.AuxInt != j+32 {
 13863  			break
 13864  		}
 13865  		if w != x_1.Args[0] {
 13866  			break
 13867  		}
 13868  		mem := x.Args[2]
 13869  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 13870  			break
 13871  		}
 13872  		v.reset(OpS390XMOVDstore)
 13873  		v.AuxInt = i - 4
 13874  		v.Aux = s
 13875  		v.AddArg(p)
 13876  		v.AddArg(w0)
 13877  		v.AddArg(mem)
 13878  		return true
 13879  	}
 13880  	// match: (MOVWstore [i] {s} p w1 x:(MOVWstore [i-4] {s} p w0 mem))
 13881  	// cond: p.Op != OpSB   && x.Uses == 1   && is20Bit(i-4)   && clobber(x)
 13882  	// result: (STM2 [i-4] {s} p w0 w1 mem)
 13883  	for {
 13884  		i := v.AuxInt
 13885  		s := v.Aux
 13886  		p := v.Args[0]
 13887  		w1 := v.Args[1]
 13888  		x := v.Args[2]
 13889  		if x.Op != OpS390XMOVWstore {
 13890  			break
 13891  		}
 13892  		if x.AuxInt != i-4 {
 13893  			break
 13894  		}
 13895  		if x.Aux != s {
 13896  			break
 13897  		}
 13898  		if p != x.Args[0] {
 13899  			break
 13900  		}
 13901  		w0 := x.Args[1]
 13902  		mem := x.Args[2]
 13903  		if !(p.Op != OpSB && x.Uses == 1 && is20Bit(i-4) && clobber(x)) {
 13904  			break
 13905  		}
 13906  		v.reset(OpS390XSTM2)
 13907  		v.AuxInt = i - 4
 13908  		v.Aux = s
 13909  		v.AddArg(p)
 13910  		v.AddArg(w0)
 13911  		v.AddArg(w1)
 13912  		v.AddArg(mem)
 13913  		return true
 13914  	}
 13915  	// match: (MOVWstore [i] {s} p w2 x:(STM2 [i-8] {s} p w0 w1 mem))
 13916  	// cond: x.Uses == 1   && is20Bit(i-8)   && clobber(x)
 13917  	// result: (STM3 [i-8] {s} p w0 w1 w2 mem)
 13918  	for {
 13919  		i := v.AuxInt
 13920  		s := v.Aux
 13921  		p := v.Args[0]
 13922  		w2 := v.Args[1]
 13923  		x := v.Args[2]
 13924  		if x.Op != OpS390XSTM2 {
 13925  			break
 13926  		}
 13927  		if x.AuxInt != i-8 {
 13928  			break
 13929  		}
 13930  		if x.Aux != s {
 13931  			break
 13932  		}
 13933  		if p != x.Args[0] {
 13934  			break
 13935  		}
 13936  		w0 := x.Args[1]
 13937  		w1 := x.Args[2]
 13938  		mem := x.Args[3]
 13939  		if !(x.Uses == 1 && is20Bit(i-8) && clobber(x)) {
 13940  			break
 13941  		}
 13942  		v.reset(OpS390XSTM3)
 13943  		v.AuxInt = i - 8
 13944  		v.Aux = s
 13945  		v.AddArg(p)
 13946  		v.AddArg(w0)
 13947  		v.AddArg(w1)
 13948  		v.AddArg(w2)
 13949  		v.AddArg(mem)
 13950  		return true
 13951  	}
 13952  	// match: (MOVWstore [i] {s} p w3 x:(STM3 [i-12] {s} p w0 w1 w2 mem))
 13953  	// cond: x.Uses == 1   && is20Bit(i-12)   && clobber(x)
 13954  	// result: (STM4 [i-12] {s} p w0 w1 w2 w3 mem)
 13955  	for {
 13956  		i := v.AuxInt
 13957  		s := v.Aux
 13958  		p := v.Args[0]
 13959  		w3 := v.Args[1]
 13960  		x := v.Args[2]
 13961  		if x.Op != OpS390XSTM3 {
 13962  			break
 13963  		}
 13964  		if x.AuxInt != i-12 {
 13965  			break
 13966  		}
 13967  		if x.Aux != s {
 13968  			break
 13969  		}
 13970  		if p != x.Args[0] {
 13971  			break
 13972  		}
 13973  		w0 := x.Args[1]
 13974  		w1 := x.Args[2]
 13975  		w2 := x.Args[3]
 13976  		mem := x.Args[4]
 13977  		if !(x.Uses == 1 && is20Bit(i-12) && clobber(x)) {
 13978  			break
 13979  		}
 13980  		v.reset(OpS390XSTM4)
 13981  		v.AuxInt = i - 12
 13982  		v.Aux = s
 13983  		v.AddArg(p)
 13984  		v.AddArg(w0)
 13985  		v.AddArg(w1)
 13986  		v.AddArg(w2)
 13987  		v.AddArg(w3)
 13988  		v.AddArg(mem)
 13989  		return true
 13990  	}
 13991  	return false
 13992  }
 13993  func rewriteValueS390X_OpS390XMOVWstoreconst(v *Value, config *Config) bool {
 13994  	b := v.Block
 13995  	_ = b
 13996  	// match: (MOVWstoreconst [sc] {s} (ADDconst [off] ptr) mem)
 13997  	// cond: ValAndOff(sc).canAdd(off)
 13998  	// result: (MOVWstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
 13999  	for {
 14000  		sc := v.AuxInt
 14001  		s := v.Aux
 14002  		v_0 := v.Args[0]
 14003  		if v_0.Op != OpS390XADDconst {
 14004  			break
 14005  		}
 14006  		off := v_0.AuxInt
 14007  		ptr := v_0.Args[0]
 14008  		mem := v.Args[1]
 14009  		if !(ValAndOff(sc).canAdd(off)) {
 14010  			break
 14011  		}
 14012  		v.reset(OpS390XMOVWstoreconst)
 14013  		v.AuxInt = ValAndOff(sc).add(off)
 14014  		v.Aux = s
 14015  		v.AddArg(ptr)
 14016  		v.AddArg(mem)
 14017  		return true
 14018  	}
 14019  	// match: (MOVWstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
 14020  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
 14021  	// result: (MOVWstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
 14022  	for {
 14023  		sc := v.AuxInt
 14024  		sym1 := v.Aux
 14025  		v_0 := v.Args[0]
 14026  		if v_0.Op != OpS390XMOVDaddr {
 14027  			break
 14028  		}
 14029  		off := v_0.AuxInt
 14030  		sym2 := v_0.Aux
 14031  		ptr := v_0.Args[0]
 14032  		mem := v.Args[1]
 14033  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
 14034  			break
 14035  		}
 14036  		v.reset(OpS390XMOVWstoreconst)
 14037  		v.AuxInt = ValAndOff(sc).add(off)
 14038  		v.Aux = mergeSym(sym1, sym2)
 14039  		v.AddArg(ptr)
 14040  		v.AddArg(mem)
 14041  		return true
 14042  	}
 14043  	// match: (MOVWstoreconst [c] {s} p x:(MOVWstoreconst [a] {s} p mem))
 14044  	// cond: p.Op != OpSB   && x.Uses == 1   && ValAndOff(a).Off() + 4 == ValAndOff(c).Off()   && clobber(x)
 14045  	// result: (MOVDstore [ValAndOff(a).Off()] {s} p (MOVDconst [ValAndOff(c).Val()&0xffffffff | ValAndOff(a).Val()<<32]) mem)
 14046  	for {
 14047  		c := v.AuxInt
 14048  		s := v.Aux
 14049  		p := v.Args[0]
 14050  		x := v.Args[1]
 14051  		if x.Op != OpS390XMOVWstoreconst {
 14052  			break
 14053  		}
 14054  		a := x.AuxInt
 14055  		if x.Aux != s {
 14056  			break
 14057  		}
 14058  		if p != x.Args[0] {
 14059  			break
 14060  		}
 14061  		mem := x.Args[1]
 14062  		if !(p.Op != OpSB && x.Uses == 1 && ValAndOff(a).Off()+4 == ValAndOff(c).Off() && clobber(x)) {
 14063  			break
 14064  		}
 14065  		v.reset(OpS390XMOVDstore)
 14066  		v.AuxInt = ValAndOff(a).Off()
 14067  		v.Aux = s
 14068  		v.AddArg(p)
 14069  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
 14070  		v0.AuxInt = ValAndOff(c).Val()&0xffffffff | ValAndOff(a).Val()<<32
 14071  		v.AddArg(v0)
 14072  		v.AddArg(mem)
 14073  		return true
 14074  	}
 14075  	return false
 14076  }
 14077  func rewriteValueS390X_OpS390XMOVWstoreidx(v *Value, config *Config) bool {
 14078  	b := v.Block
 14079  	_ = b
 14080  	// match: (MOVWstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
 14081  	// cond:
 14082  	// result: (MOVWstoreidx [c+d] {sym} ptr idx val mem)
 14083  	for {
 14084  		c := v.AuxInt
 14085  		sym := v.Aux
 14086  		v_0 := v.Args[0]
 14087  		if v_0.Op != OpS390XADDconst {
 14088  			break
 14089  		}
 14090  		d := v_0.AuxInt
 14091  		ptr := v_0.Args[0]
 14092  		idx := v.Args[1]
 14093  		val := v.Args[2]
 14094  		mem := v.Args[3]
 14095  		v.reset(OpS390XMOVWstoreidx)
 14096  		v.AuxInt = c + d
 14097  		v.Aux = sym
 14098  		v.AddArg(ptr)
 14099  		v.AddArg(idx)
 14100  		v.AddArg(val)
 14101  		v.AddArg(mem)
 14102  		return true
 14103  	}
 14104  	// match: (MOVWstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
 14105  	// cond:
 14106  	// result: (MOVWstoreidx [c+d] {sym} ptr idx val mem)
 14107  	for {
 14108  		c := v.AuxInt
 14109  		sym := v.Aux
 14110  		ptr := v.Args[0]
 14111  		v_1 := v.Args[1]
 14112  		if v_1.Op != OpS390XADDconst {
 14113  			break
 14114  		}
 14115  		d := v_1.AuxInt
 14116  		idx := v_1.Args[0]
 14117  		val := v.Args[2]
 14118  		mem := v.Args[3]
 14119  		v.reset(OpS390XMOVWstoreidx)
 14120  		v.AuxInt = c + d
 14121  		v.Aux = sym
 14122  		v.AddArg(ptr)
 14123  		v.AddArg(idx)
 14124  		v.AddArg(val)
 14125  		v.AddArg(mem)
 14126  		return true
 14127  	}
 14128  	// match: (MOVWstoreidx [i] {s} p idx w x:(MOVWstoreidx [i-4] {s} p idx (SRDconst [32] w) mem))
 14129  	// cond: x.Uses == 1   && clobber(x)
 14130  	// result: (MOVDstoreidx [i-4] {s} p idx w mem)
 14131  	for {
 14132  		i := v.AuxInt
 14133  		s := v.Aux
 14134  		p := v.Args[0]
 14135  		idx := v.Args[1]
 14136  		w := v.Args[2]
 14137  		x := v.Args[3]
 14138  		if x.Op != OpS390XMOVWstoreidx {
 14139  			break
 14140  		}
 14141  		if x.AuxInt != i-4 {
 14142  			break
 14143  		}
 14144  		if x.Aux != s {
 14145  			break
 14146  		}
 14147  		if p != x.Args[0] {
 14148  			break
 14149  		}
 14150  		if idx != x.Args[1] {
 14151  			break
 14152  		}
 14153  		x_2 := x.Args[2]
 14154  		if x_2.Op != OpS390XSRDconst {
 14155  			break
 14156  		}
 14157  		if x_2.AuxInt != 32 {
 14158  			break
 14159  		}
 14160  		if w != x_2.Args[0] {
 14161  			break
 14162  		}
 14163  		mem := x.Args[3]
 14164  		if !(x.Uses == 1 && clobber(x)) {
 14165  			break
 14166  		}
 14167  		v.reset(OpS390XMOVDstoreidx)
 14168  		v.AuxInt = i - 4
 14169  		v.Aux = s
 14170  		v.AddArg(p)
 14171  		v.AddArg(idx)
 14172  		v.AddArg(w)
 14173  		v.AddArg(mem)
 14174  		return true
 14175  	}
 14176  	// match: (MOVWstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVWstoreidx [i-4] {s} p idx (SRDconst [j+32] w) mem))
 14177  	// cond: x.Uses == 1   && clobber(x)
 14178  	// result: (MOVDstoreidx [i-4] {s} p idx w0 mem)
 14179  	for {
 14180  		i := v.AuxInt
 14181  		s := v.Aux
 14182  		p := v.Args[0]
 14183  		idx := v.Args[1]
 14184  		w0 := v.Args[2]
 14185  		if w0.Op != OpS390XSRDconst {
 14186  			break
 14187  		}
 14188  		j := w0.AuxInt
 14189  		w := w0.Args[0]
 14190  		x := v.Args[3]
 14191  		if x.Op != OpS390XMOVWstoreidx {
 14192  			break
 14193  		}
 14194  		if x.AuxInt != i-4 {
 14195  			break
 14196  		}
 14197  		if x.Aux != s {
 14198  			break
 14199  		}
 14200  		if p != x.Args[0] {
 14201  			break
 14202  		}
 14203  		if idx != x.Args[1] {
 14204  			break
 14205  		}
 14206  		x_2 := x.Args[2]
 14207  		if x_2.Op != OpS390XSRDconst {
 14208  			break
 14209  		}
 14210  		if x_2.AuxInt != j+32 {
 14211  			break
 14212  		}
 14213  		if w != x_2.Args[0] {
 14214  			break
 14215  		}
 14216  		mem := x.Args[3]
 14217  		if !(x.Uses == 1 && clobber(x)) {
 14218  			break
 14219  		}
 14220  		v.reset(OpS390XMOVDstoreidx)
 14221  		v.AuxInt = i - 4
 14222  		v.Aux = s
 14223  		v.AddArg(p)
 14224  		v.AddArg(idx)
 14225  		v.AddArg(w0)
 14226  		v.AddArg(mem)
 14227  		return true
 14228  	}
 14229  	return false
 14230  }
 14231  func rewriteValueS390X_OpS390XMULLD(v *Value, config *Config) bool {
 14232  	b := v.Block
 14233  	_ = b
 14234  	// match: (MULLD x (MOVDconst [c]))
 14235  	// cond: is32Bit(c)
 14236  	// result: (MULLDconst [c] x)
 14237  	for {
 14238  		x := v.Args[0]
 14239  		v_1 := v.Args[1]
 14240  		if v_1.Op != OpS390XMOVDconst {
 14241  			break
 14242  		}
 14243  		c := v_1.AuxInt
 14244  		if !(is32Bit(c)) {
 14245  			break
 14246  		}
 14247  		v.reset(OpS390XMULLDconst)
 14248  		v.AuxInt = c
 14249  		v.AddArg(x)
 14250  		return true
 14251  	}
 14252  	// match: (MULLD (MOVDconst [c]) x)
 14253  	// cond: is32Bit(c)
 14254  	// result: (MULLDconst [c] x)
 14255  	for {
 14256  		v_0 := v.Args[0]
 14257  		if v_0.Op != OpS390XMOVDconst {
 14258  			break
 14259  		}
 14260  		c := v_0.AuxInt
 14261  		x := v.Args[1]
 14262  		if !(is32Bit(c)) {
 14263  			break
 14264  		}
 14265  		v.reset(OpS390XMULLDconst)
 14266  		v.AuxInt = c
 14267  		v.AddArg(x)
 14268  		return true
 14269  	}
 14270  	// match: (MULLD <t> x g:(MOVDload [off] {sym} ptr mem))
 14271  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 14272  	// result: (MULLDload <t> [off] {sym} x ptr mem)
 14273  	for {
 14274  		t := v.Type
 14275  		x := v.Args[0]
 14276  		g := v.Args[1]
 14277  		if g.Op != OpS390XMOVDload {
 14278  			break
 14279  		}
 14280  		off := g.AuxInt
 14281  		sym := g.Aux
 14282  		ptr := g.Args[0]
 14283  		mem := g.Args[1]
 14284  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 14285  			break
 14286  		}
 14287  		v.reset(OpS390XMULLDload)
 14288  		v.Type = t
 14289  		v.AuxInt = off
 14290  		v.Aux = sym
 14291  		v.AddArg(x)
 14292  		v.AddArg(ptr)
 14293  		v.AddArg(mem)
 14294  		return true
 14295  	}
 14296  	// match: (MULLD <t> g:(MOVDload [off] {sym} ptr mem) x)
 14297  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 14298  	// result: (MULLDload <t> [off] {sym} x ptr mem)
 14299  	for {
 14300  		t := v.Type
 14301  		g := v.Args[0]
 14302  		if g.Op != OpS390XMOVDload {
 14303  			break
 14304  		}
 14305  		off := g.AuxInt
 14306  		sym := g.Aux
 14307  		ptr := g.Args[0]
 14308  		mem := g.Args[1]
 14309  		x := v.Args[1]
 14310  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 14311  			break
 14312  		}
 14313  		v.reset(OpS390XMULLDload)
 14314  		v.Type = t
 14315  		v.AuxInt = off
 14316  		v.Aux = sym
 14317  		v.AddArg(x)
 14318  		v.AddArg(ptr)
 14319  		v.AddArg(mem)
 14320  		return true
 14321  	}
 14322  	return false
 14323  }
 14324  func rewriteValueS390X_OpS390XMULLDconst(v *Value, config *Config) bool {
 14325  	b := v.Block
 14326  	_ = b
 14327  	// match: (MULLDconst [-1] x)
 14328  	// cond:
 14329  	// result: (NEG x)
 14330  	for {
 14331  		if v.AuxInt != -1 {
 14332  			break
 14333  		}
 14334  		x := v.Args[0]
 14335  		v.reset(OpS390XNEG)
 14336  		v.AddArg(x)
 14337  		return true
 14338  	}
 14339  	// match: (MULLDconst [0] _)
 14340  	// cond:
 14341  	// result: (MOVDconst [0])
 14342  	for {
 14343  		if v.AuxInt != 0 {
 14344  			break
 14345  		}
 14346  		v.reset(OpS390XMOVDconst)
 14347  		v.AuxInt = 0
 14348  		return true
 14349  	}
 14350  	// match: (MULLDconst [1] x)
 14351  	// cond:
 14352  	// result: x
 14353  	for {
 14354  		if v.AuxInt != 1 {
 14355  			break
 14356  		}
 14357  		x := v.Args[0]
 14358  		v.reset(OpCopy)
 14359  		v.Type = x.Type
 14360  		v.AddArg(x)
 14361  		return true
 14362  	}
 14363  	// match: (MULLDconst [c] x)
 14364  	// cond: isPowerOfTwo(c)
 14365  	// result: (SLDconst [log2(c)] x)
 14366  	for {
 14367  		c := v.AuxInt
 14368  		x := v.Args[0]
 14369  		if !(isPowerOfTwo(c)) {
 14370  			break
 14371  		}
 14372  		v.reset(OpS390XSLDconst)
 14373  		v.AuxInt = log2(c)
 14374  		v.AddArg(x)
 14375  		return true
 14376  	}
 14377  	// match: (MULLDconst [c] x)
 14378  	// cond: isPowerOfTwo(c+1) && c >= 15
 14379  	// result: (SUB (SLDconst <v.Type> [log2(c+1)] x) x)
 14380  	for {
 14381  		c := v.AuxInt
 14382  		x := v.Args[0]
 14383  		if !(isPowerOfTwo(c+1) && c >= 15) {
 14384  			break
 14385  		}
 14386  		v.reset(OpS390XSUB)
 14387  		v0 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 14388  		v0.AuxInt = log2(c + 1)
 14389  		v0.AddArg(x)
 14390  		v.AddArg(v0)
 14391  		v.AddArg(x)
 14392  		return true
 14393  	}
 14394  	// match: (MULLDconst [c] x)
 14395  	// cond: isPowerOfTwo(c-1) && c >= 17
 14396  	// result: (ADD (SLDconst <v.Type> [log2(c-1)] x) x)
 14397  	for {
 14398  		c := v.AuxInt
 14399  		x := v.Args[0]
 14400  		if !(isPowerOfTwo(c-1) && c >= 17) {
 14401  			break
 14402  		}
 14403  		v.reset(OpS390XADD)
 14404  		v0 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 14405  		v0.AuxInt = log2(c - 1)
 14406  		v0.AddArg(x)
 14407  		v.AddArg(v0)
 14408  		v.AddArg(x)
 14409  		return true
 14410  	}
 14411  	// match: (MULLDconst [c] (MOVDconst [d]))
 14412  	// cond:
 14413  	// result: (MOVDconst [c*d])
 14414  	for {
 14415  		c := v.AuxInt
 14416  		v_0 := v.Args[0]
 14417  		if v_0.Op != OpS390XMOVDconst {
 14418  			break
 14419  		}
 14420  		d := v_0.AuxInt
 14421  		v.reset(OpS390XMOVDconst)
 14422  		v.AuxInt = c * d
 14423  		return true
 14424  	}
 14425  	return false
 14426  }
 14427  func rewriteValueS390X_OpS390XMULLW(v *Value, config *Config) bool {
 14428  	b := v.Block
 14429  	_ = b
 14430  	// match: (MULLW x (MOVDconst [c]))
 14431  	// cond:
 14432  	// result: (MULLWconst [c] x)
 14433  	for {
 14434  		x := v.Args[0]
 14435  		v_1 := v.Args[1]
 14436  		if v_1.Op != OpS390XMOVDconst {
 14437  			break
 14438  		}
 14439  		c := v_1.AuxInt
 14440  		v.reset(OpS390XMULLWconst)
 14441  		v.AuxInt = c
 14442  		v.AddArg(x)
 14443  		return true
 14444  	}
 14445  	// match: (MULLW (MOVDconst [c]) x)
 14446  	// cond:
 14447  	// result: (MULLWconst [c] x)
 14448  	for {
 14449  		v_0 := v.Args[0]
 14450  		if v_0.Op != OpS390XMOVDconst {
 14451  			break
 14452  		}
 14453  		c := v_0.AuxInt
 14454  		x := v.Args[1]
 14455  		v.reset(OpS390XMULLWconst)
 14456  		v.AuxInt = c
 14457  		v.AddArg(x)
 14458  		return true
 14459  	}
 14460  	// match: (MULLW <t> x g:(MOVWload [off] {sym} ptr mem))
 14461  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 14462  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 14463  	for {
 14464  		t := v.Type
 14465  		x := v.Args[0]
 14466  		g := v.Args[1]
 14467  		if g.Op != OpS390XMOVWload {
 14468  			break
 14469  		}
 14470  		off := g.AuxInt
 14471  		sym := g.Aux
 14472  		ptr := g.Args[0]
 14473  		mem := g.Args[1]
 14474  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 14475  			break
 14476  		}
 14477  		v.reset(OpS390XMULLWload)
 14478  		v.Type = t
 14479  		v.AuxInt = off
 14480  		v.Aux = sym
 14481  		v.AddArg(x)
 14482  		v.AddArg(ptr)
 14483  		v.AddArg(mem)
 14484  		return true
 14485  	}
 14486  	// match: (MULLW <t> g:(MOVWload [off] {sym} ptr mem) x)
 14487  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 14488  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 14489  	for {
 14490  		t := v.Type
 14491  		g := v.Args[0]
 14492  		if g.Op != OpS390XMOVWload {
 14493  			break
 14494  		}
 14495  		off := g.AuxInt
 14496  		sym := g.Aux
 14497  		ptr := g.Args[0]
 14498  		mem := g.Args[1]
 14499  		x := v.Args[1]
 14500  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 14501  			break
 14502  		}
 14503  		v.reset(OpS390XMULLWload)
 14504  		v.Type = t
 14505  		v.AuxInt = off
 14506  		v.Aux = sym
 14507  		v.AddArg(x)
 14508  		v.AddArg(ptr)
 14509  		v.AddArg(mem)
 14510  		return true
 14511  	}
 14512  	// match: (MULLW <t> x g:(MOVWZload [off] {sym} ptr mem))
 14513  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 14514  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 14515  	for {
 14516  		t := v.Type
 14517  		x := v.Args[0]
 14518  		g := v.Args[1]
 14519  		if g.Op != OpS390XMOVWZload {
 14520  			break
 14521  		}
 14522  		off := g.AuxInt
 14523  		sym := g.Aux
 14524  		ptr := g.Args[0]
 14525  		mem := g.Args[1]
 14526  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 14527  			break
 14528  		}
 14529  		v.reset(OpS390XMULLWload)
 14530  		v.Type = t
 14531  		v.AuxInt = off
 14532  		v.Aux = sym
 14533  		v.AddArg(x)
 14534  		v.AddArg(ptr)
 14535  		v.AddArg(mem)
 14536  		return true
 14537  	}
 14538  	// match: (MULLW <t> g:(MOVWZload [off] {sym} ptr mem) x)
 14539  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 14540  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 14541  	for {
 14542  		t := v.Type
 14543  		g := v.Args[0]
 14544  		if g.Op != OpS390XMOVWZload {
 14545  			break
 14546  		}
 14547  		off := g.AuxInt
 14548  		sym := g.Aux
 14549  		ptr := g.Args[0]
 14550  		mem := g.Args[1]
 14551  		x := v.Args[1]
 14552  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 14553  			break
 14554  		}
 14555  		v.reset(OpS390XMULLWload)
 14556  		v.Type = t
 14557  		v.AuxInt = off
 14558  		v.Aux = sym
 14559  		v.AddArg(x)
 14560  		v.AddArg(ptr)
 14561  		v.AddArg(mem)
 14562  		return true
 14563  	}
 14564  	return false
 14565  }
 14566  func rewriteValueS390X_OpS390XMULLWconst(v *Value, config *Config) bool {
 14567  	b := v.Block
 14568  	_ = b
 14569  	// match: (MULLWconst [-1] x)
 14570  	// cond:
 14571  	// result: (NEGW x)
 14572  	for {
 14573  		if v.AuxInt != -1 {
 14574  			break
 14575  		}
 14576  		x := v.Args[0]
 14577  		v.reset(OpS390XNEGW)
 14578  		v.AddArg(x)
 14579  		return true
 14580  	}
 14581  	// match: (MULLWconst [0] _)
 14582  	// cond:
 14583  	// result: (MOVDconst [0])
 14584  	for {
 14585  		if v.AuxInt != 0 {
 14586  			break
 14587  		}
 14588  		v.reset(OpS390XMOVDconst)
 14589  		v.AuxInt = 0
 14590  		return true
 14591  	}
 14592  	// match: (MULLWconst [1] x)
 14593  	// cond:
 14594  	// result: x
 14595  	for {
 14596  		if v.AuxInt != 1 {
 14597  			break
 14598  		}
 14599  		x := v.Args[0]
 14600  		v.reset(OpCopy)
 14601  		v.Type = x.Type
 14602  		v.AddArg(x)
 14603  		return true
 14604  	}
 14605  	// match: (MULLWconst [c] x)
 14606  	// cond: isPowerOfTwo(c)
 14607  	// result: (SLWconst [log2(c)] x)
 14608  	for {
 14609  		c := v.AuxInt
 14610  		x := v.Args[0]
 14611  		if !(isPowerOfTwo(c)) {
 14612  			break
 14613  		}
 14614  		v.reset(OpS390XSLWconst)
 14615  		v.AuxInt = log2(c)
 14616  		v.AddArg(x)
 14617  		return true
 14618  	}
 14619  	// match: (MULLWconst [c] x)
 14620  	// cond: isPowerOfTwo(c+1) && c >= 15
 14621  	// result: (SUBW (SLWconst <v.Type> [log2(c+1)] x) x)
 14622  	for {
 14623  		c := v.AuxInt
 14624  		x := v.Args[0]
 14625  		if !(isPowerOfTwo(c+1) && c >= 15) {
 14626  			break
 14627  		}
 14628  		v.reset(OpS390XSUBW)
 14629  		v0 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 14630  		v0.AuxInt = log2(c + 1)
 14631  		v0.AddArg(x)
 14632  		v.AddArg(v0)
 14633  		v.AddArg(x)
 14634  		return true
 14635  	}
 14636  	// match: (MULLWconst [c] x)
 14637  	// cond: isPowerOfTwo(c-1) && c >= 17
 14638  	// result: (ADDW (SLWconst <v.Type> [log2(c-1)] x) x)
 14639  	for {
 14640  		c := v.AuxInt
 14641  		x := v.Args[0]
 14642  		if !(isPowerOfTwo(c-1) && c >= 17) {
 14643  			break
 14644  		}
 14645  		v.reset(OpS390XADDW)
 14646  		v0 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 14647  		v0.AuxInt = log2(c - 1)
 14648  		v0.AddArg(x)
 14649  		v.AddArg(v0)
 14650  		v.AddArg(x)
 14651  		return true
 14652  	}
 14653  	// match: (MULLWconst [c] (MOVDconst [d]))
 14654  	// cond:
 14655  	// result: (MOVDconst [int64(int32(c*d))])
 14656  	for {
 14657  		c := v.AuxInt
 14658  		v_0 := v.Args[0]
 14659  		if v_0.Op != OpS390XMOVDconst {
 14660  			break
 14661  		}
 14662  		d := v_0.AuxInt
 14663  		v.reset(OpS390XMOVDconst)
 14664  		v.AuxInt = int64(int32(c * d))
 14665  		return true
 14666  	}
 14667  	return false
 14668  }
 14669  func rewriteValueS390X_OpS390XNEG(v *Value, config *Config) bool {
 14670  	b := v.Block
 14671  	_ = b
 14672  	// match: (NEG (MOVDconst [c]))
 14673  	// cond:
 14674  	// result: (MOVDconst [-c])
 14675  	for {
 14676  		v_0 := v.Args[0]
 14677  		if v_0.Op != OpS390XMOVDconst {
 14678  			break
 14679  		}
 14680  		c := v_0.AuxInt
 14681  		v.reset(OpS390XMOVDconst)
 14682  		v.AuxInt = -c
 14683  		return true
 14684  	}
 14685  	return false
 14686  }
 14687  func rewriteValueS390X_OpS390XNEGW(v *Value, config *Config) bool {
 14688  	b := v.Block
 14689  	_ = b
 14690  	// match: (NEGW (MOVDconst [c]))
 14691  	// cond:
 14692  	// result: (MOVDconst [int64(int32(-c))])
 14693  	for {
 14694  		v_0 := v.Args[0]
 14695  		if v_0.Op != OpS390XMOVDconst {
 14696  			break
 14697  		}
 14698  		c := v_0.AuxInt
 14699  		v.reset(OpS390XMOVDconst)
 14700  		v.AuxInt = int64(int32(-c))
 14701  		return true
 14702  	}
 14703  	return false
 14704  }
 14705  func rewriteValueS390X_OpS390XNOT(v *Value, config *Config) bool {
 14706  	b := v.Block
 14707  	_ = b
 14708  	// match: (NOT x)
 14709  	// cond: true
 14710  	// result: (XOR (MOVDconst [-1]) x)
 14711  	for {
 14712  		x := v.Args[0]
 14713  		if !(true) {
 14714  			break
 14715  		}
 14716  		v.reset(OpS390XXOR)
 14717  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
 14718  		v0.AuxInt = -1
 14719  		v.AddArg(v0)
 14720  		v.AddArg(x)
 14721  		return true
 14722  	}
 14723  	return false
 14724  }
 14725  func rewriteValueS390X_OpS390XNOTW(v *Value, config *Config) bool {
 14726  	b := v.Block
 14727  	_ = b
 14728  	// match: (NOTW x)
 14729  	// cond: true
 14730  	// result: (XORWconst [-1] x)
 14731  	for {
 14732  		x := v.Args[0]
 14733  		if !(true) {
 14734  			break
 14735  		}
 14736  		v.reset(OpS390XXORWconst)
 14737  		v.AuxInt = -1
 14738  		v.AddArg(x)
 14739  		return true
 14740  	}
 14741  	return false
 14742  }
 14743  func rewriteValueS390X_OpS390XOR(v *Value, config *Config) bool {
 14744  	b := v.Block
 14745  	_ = b
 14746  	// match: (OR x (MOVDconst [c]))
 14747  	// cond: isU32Bit(c)
 14748  	// result: (ORconst [c] x)
 14749  	for {
 14750  		x := v.Args[0]
 14751  		v_1 := v.Args[1]
 14752  		if v_1.Op != OpS390XMOVDconst {
 14753  			break
 14754  		}
 14755  		c := v_1.AuxInt
 14756  		if !(isU32Bit(c)) {
 14757  			break
 14758  		}
 14759  		v.reset(OpS390XORconst)
 14760  		v.AuxInt = c
 14761  		v.AddArg(x)
 14762  		return true
 14763  	}
 14764  	// match: (OR (MOVDconst [c]) x)
 14765  	// cond: isU32Bit(c)
 14766  	// result: (ORconst [c] x)
 14767  	for {
 14768  		v_0 := v.Args[0]
 14769  		if v_0.Op != OpS390XMOVDconst {
 14770  			break
 14771  		}
 14772  		c := v_0.AuxInt
 14773  		x := v.Args[1]
 14774  		if !(isU32Bit(c)) {
 14775  			break
 14776  		}
 14777  		v.reset(OpS390XORconst)
 14778  		v.AuxInt = c
 14779  		v.AddArg(x)
 14780  		return true
 14781  	}
 14782  	// match: ( OR (SLDconst x [c]) (SRDconst x [64-c]))
 14783  	// cond:
 14784  	// result: (RLLGconst [   c] x)
 14785  	for {
 14786  		v_0 := v.Args[0]
 14787  		if v_0.Op != OpS390XSLDconst {
 14788  			break
 14789  		}
 14790  		c := v_0.AuxInt
 14791  		x := v_0.Args[0]
 14792  		v_1 := v.Args[1]
 14793  		if v_1.Op != OpS390XSRDconst {
 14794  			break
 14795  		}
 14796  		if v_1.AuxInt != 64-c {
 14797  			break
 14798  		}
 14799  		if x != v_1.Args[0] {
 14800  			break
 14801  		}
 14802  		v.reset(OpS390XRLLGconst)
 14803  		v.AuxInt = c
 14804  		v.AddArg(x)
 14805  		return true
 14806  	}
 14807  	// match: ( OR (SRDconst x [c]) (SLDconst x [64-c]))
 14808  	// cond:
 14809  	// result: (RLLGconst [64-c] x)
 14810  	for {
 14811  		v_0 := v.Args[0]
 14812  		if v_0.Op != OpS390XSRDconst {
 14813  			break
 14814  		}
 14815  		c := v_0.AuxInt
 14816  		x := v_0.Args[0]
 14817  		v_1 := v.Args[1]
 14818  		if v_1.Op != OpS390XSLDconst {
 14819  			break
 14820  		}
 14821  		if v_1.AuxInt != 64-c {
 14822  			break
 14823  		}
 14824  		if x != v_1.Args[0] {
 14825  			break
 14826  		}
 14827  		v.reset(OpS390XRLLGconst)
 14828  		v.AuxInt = 64 - c
 14829  		v.AddArg(x)
 14830  		return true
 14831  	}
 14832  	// match: (OR (MOVDconst [c]) (MOVDconst [d]))
 14833  	// cond:
 14834  	// result: (MOVDconst [c|d])
 14835  	for {
 14836  		v_0 := v.Args[0]
 14837  		if v_0.Op != OpS390XMOVDconst {
 14838  			break
 14839  		}
 14840  		c := v_0.AuxInt
 14841  		v_1 := v.Args[1]
 14842  		if v_1.Op != OpS390XMOVDconst {
 14843  			break
 14844  		}
 14845  		d := v_1.AuxInt
 14846  		v.reset(OpS390XMOVDconst)
 14847  		v.AuxInt = c | d
 14848  		return true
 14849  	}
 14850  	// match: (OR x x)
 14851  	// cond:
 14852  	// result: x
 14853  	for {
 14854  		x := v.Args[0]
 14855  		if x != v.Args[1] {
 14856  			break
 14857  		}
 14858  		v.reset(OpCopy)
 14859  		v.Type = x.Type
 14860  		v.AddArg(x)
 14861  		return true
 14862  	}
 14863  	// match: (OR <t> x g:(MOVDload [off] {sym} ptr mem))
 14864  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 14865  	// result: (ORload <t> [off] {sym} x ptr mem)
 14866  	for {
 14867  		t := v.Type
 14868  		x := v.Args[0]
 14869  		g := v.Args[1]
 14870  		if g.Op != OpS390XMOVDload {
 14871  			break
 14872  		}
 14873  		off := g.AuxInt
 14874  		sym := g.Aux
 14875  		ptr := g.Args[0]
 14876  		mem := g.Args[1]
 14877  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 14878  			break
 14879  		}
 14880  		v.reset(OpS390XORload)
 14881  		v.Type = t
 14882  		v.AuxInt = off
 14883  		v.Aux = sym
 14884  		v.AddArg(x)
 14885  		v.AddArg(ptr)
 14886  		v.AddArg(mem)
 14887  		return true
 14888  	}
 14889  	// match: (OR <t> g:(MOVDload [off] {sym} ptr mem) x)
 14890  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 14891  	// result: (ORload <t> [off] {sym} x ptr mem)
 14892  	for {
 14893  		t := v.Type
 14894  		g := v.Args[0]
 14895  		if g.Op != OpS390XMOVDload {
 14896  			break
 14897  		}
 14898  		off := g.AuxInt
 14899  		sym := g.Aux
 14900  		ptr := g.Args[0]
 14901  		mem := g.Args[1]
 14902  		x := v.Args[1]
 14903  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 14904  			break
 14905  		}
 14906  		v.reset(OpS390XORload)
 14907  		v.Type = t
 14908  		v.AuxInt = off
 14909  		v.Aux = sym
 14910  		v.AddArg(x)
 14911  		v.AddArg(ptr)
 14912  		v.AddArg(mem)
 14913  		return true
 14914  	}
 14915  	// match: (OR  x:(SLDconst _) y)
 14916  	// cond: y.Op != OpS390XSLDconst
 14917  	// result: (OR  y x)
 14918  	for {
 14919  		x := v.Args[0]
 14920  		if x.Op != OpS390XSLDconst {
 14921  			break
 14922  		}
 14923  		y := v.Args[1]
 14924  		if !(y.Op != OpS390XSLDconst) {
 14925  			break
 14926  		}
 14927  		v.reset(OpS390XOR)
 14928  		v.AddArg(y)
 14929  		v.AddArg(x)
 14930  		return true
 14931  	}
 14932  	// match: (OR o0:(OR o1:(OR o2:(OR o3:(OR o4:(OR o5:(OR                       x0:(MOVBZload [i]   {s} p mem)     s0:(SLDconst [8]  x1:(MOVBZload [i+1] {s} p mem)))     s1:(SLDconst [16] x2:(MOVBZload [i+2] {s} p mem)))     s2:(SLDconst [24] x3:(MOVBZload [i+3] {s} p mem)))     s3:(SLDconst [32] x4:(MOVBZload [i+4] {s} p mem)))     s4:(SLDconst [40] x5:(MOVBZload [i+5] {s} p mem)))     s5:(SLDconst [48] x6:(MOVBZload [i+6] {s} p mem)))     s6:(SLDconst [56] x7:(MOVBZload [i+7] {s} p mem)))
 14933  	// cond: p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && x2.Uses == 1   && x3.Uses == 1   && x4.Uses == 1   && x5.Uses == 1   && x6.Uses == 1   && x7.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && s2.Uses == 1   && s3.Uses == 1   && s4.Uses == 1   && s5.Uses == 1   && s6.Uses == 1   && o0.Uses == 1   && o1.Uses == 1   && o2.Uses == 1   && o3.Uses == 1   && o4.Uses == 1   && o5.Uses == 1   && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil   && clobber(x0)   && clobber(x1)   && clobber(x2)   && clobber(x3)   && clobber(x4)   && clobber(x5)   && clobber(x6)   && clobber(x7)   && clobber(s0)   && clobber(s1)   && clobber(s2)   && clobber(s3)   && clobber(s4)   && clobber(s5)   && clobber(s6)   && clobber(o0)   && clobber(o1)   && clobber(o2)   && clobber(o3)   && clobber(o4)   && clobber(o5)
 14934  	// result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDBRload [i] {s} p mem)
 14935  	for {
 14936  		o0 := v.Args[0]
 14937  		if o0.Op != OpS390XOR {
 14938  			break
 14939  		}
 14940  		o1 := o0.Args[0]
 14941  		if o1.Op != OpS390XOR {
 14942  			break
 14943  		}
 14944  		o2 := o1.Args[0]
 14945  		if o2.Op != OpS390XOR {
 14946  			break
 14947  		}
 14948  		o3 := o2.Args[0]
 14949  		if o3.Op != OpS390XOR {
 14950  			break
 14951  		}
 14952  		o4 := o3.Args[0]
 14953  		if o4.Op != OpS390XOR {
 14954  			break
 14955  		}
 14956  		o5 := o4.Args[0]
 14957  		if o5.Op != OpS390XOR {
 14958  			break
 14959  		}
 14960  		x0 := o5.Args[0]
 14961  		if x0.Op != OpS390XMOVBZload {
 14962  			break
 14963  		}
 14964  		i := x0.AuxInt
 14965  		s := x0.Aux
 14966  		p := x0.Args[0]
 14967  		mem := x0.Args[1]
 14968  		s0 := o5.Args[1]
 14969  		if s0.Op != OpS390XSLDconst {
 14970  			break
 14971  		}
 14972  		if s0.AuxInt != 8 {
 14973  			break
 14974  		}
 14975  		x1 := s0.Args[0]
 14976  		if x1.Op != OpS390XMOVBZload {
 14977  			break
 14978  		}
 14979  		if x1.AuxInt != i+1 {
 14980  			break
 14981  		}
 14982  		if x1.Aux != s {
 14983  			break
 14984  		}
 14985  		if p != x1.Args[0] {
 14986  			break
 14987  		}
 14988  		if mem != x1.Args[1] {
 14989  			break
 14990  		}
 14991  		s1 := o4.Args[1]
 14992  		if s1.Op != OpS390XSLDconst {
 14993  			break
 14994  		}
 14995  		if s1.AuxInt != 16 {
 14996  			break
 14997  		}
 14998  		x2 := s1.Args[0]
 14999  		if x2.Op != OpS390XMOVBZload {
 15000  			break
 15001  		}
 15002  		if x2.AuxInt != i+2 {
 15003  			break
 15004  		}
 15005  		if x2.Aux != s {
 15006  			break
 15007  		}
 15008  		if p != x2.Args[0] {
 15009  			break
 15010  		}
 15011  		if mem != x2.Args[1] {
 15012  			break
 15013  		}
 15014  		s2 := o3.Args[1]
 15015  		if s2.Op != OpS390XSLDconst {
 15016  			break
 15017  		}
 15018  		if s2.AuxInt != 24 {
 15019  			break
 15020  		}
 15021  		x3 := s2.Args[0]
 15022  		if x3.Op != OpS390XMOVBZload {
 15023  			break
 15024  		}
 15025  		if x3.AuxInt != i+3 {
 15026  			break
 15027  		}
 15028  		if x3.Aux != s {
 15029  			break
 15030  		}
 15031  		if p != x3.Args[0] {
 15032  			break
 15033  		}
 15034  		if mem != x3.Args[1] {
 15035  			break
 15036  		}
 15037  		s3 := o2.Args[1]
 15038  		if s3.Op != OpS390XSLDconst {
 15039  			break
 15040  		}
 15041  		if s3.AuxInt != 32 {
 15042  			break
 15043  		}
 15044  		x4 := s3.Args[0]
 15045  		if x4.Op != OpS390XMOVBZload {
 15046  			break
 15047  		}
 15048  		if x4.AuxInt != i+4 {
 15049  			break
 15050  		}
 15051  		if x4.Aux != s {
 15052  			break
 15053  		}
 15054  		if p != x4.Args[0] {
 15055  			break
 15056  		}
 15057  		if mem != x4.Args[1] {
 15058  			break
 15059  		}
 15060  		s4 := o1.Args[1]
 15061  		if s4.Op != OpS390XSLDconst {
 15062  			break
 15063  		}
 15064  		if s4.AuxInt != 40 {
 15065  			break
 15066  		}
 15067  		x5 := s4.Args[0]
 15068  		if x5.Op != OpS390XMOVBZload {
 15069  			break
 15070  		}
 15071  		if x5.AuxInt != i+5 {
 15072  			break
 15073  		}
 15074  		if x5.Aux != s {
 15075  			break
 15076  		}
 15077  		if p != x5.Args[0] {
 15078  			break
 15079  		}
 15080  		if mem != x5.Args[1] {
 15081  			break
 15082  		}
 15083  		s5 := o0.Args[1]
 15084  		if s5.Op != OpS390XSLDconst {
 15085  			break
 15086  		}
 15087  		if s5.AuxInt != 48 {
 15088  			break
 15089  		}
 15090  		x6 := s5.Args[0]
 15091  		if x6.Op != OpS390XMOVBZload {
 15092  			break
 15093  		}
 15094  		if x6.AuxInt != i+6 {
 15095  			break
 15096  		}
 15097  		if x6.Aux != s {
 15098  			break
 15099  		}
 15100  		if p != x6.Args[0] {
 15101  			break
 15102  		}
 15103  		if mem != x6.Args[1] {
 15104  			break
 15105  		}
 15106  		s6 := v.Args[1]
 15107  		if s6.Op != OpS390XSLDconst {
 15108  			break
 15109  		}
 15110  		if s6.AuxInt != 56 {
 15111  			break
 15112  		}
 15113  		x7 := s6.Args[0]
 15114  		if x7.Op != OpS390XMOVBZload {
 15115  			break
 15116  		}
 15117  		if x7.AuxInt != i+7 {
 15118  			break
 15119  		}
 15120  		if x7.Aux != s {
 15121  			break
 15122  		}
 15123  		if p != x7.Args[0] {
 15124  			break
 15125  		}
 15126  		if mem != x7.Args[1] {
 15127  			break
 15128  		}
 15129  		if !(p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && s2.Uses == 1 && s3.Uses == 1 && s4.Uses == 1 && s5.Uses == 1 && s6.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(s0) && clobber(s1) && clobber(s2) && clobber(s3) && clobber(s4) && clobber(s5) && clobber(s6) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5)) {
 15130  			break
 15131  		}
 15132  		b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7)
 15133  		v0 := b.NewValue0(v.Pos, OpS390XMOVDBRload, config.fe.TypeUInt64())
 15134  		v.reset(OpCopy)
 15135  		v.AddArg(v0)
 15136  		v0.AuxInt = i
 15137  		v0.Aux = s
 15138  		v0.AddArg(p)
 15139  		v0.AddArg(mem)
 15140  		return true
 15141  	}
 15142  	// match: (OR o0:(OR o1:(OR o2:(OR o3:(OR o4:(OR o5:(OR                       x0:(MOVBZloadidx [i]   {s} p idx mem)     s0:(SLDconst [8]  x1:(MOVBZloadidx [i+1] {s} p idx mem)))     s1:(SLDconst [16] x2:(MOVBZloadidx [i+2] {s} p idx mem)))     s2:(SLDconst [24] x3:(MOVBZloadidx [i+3] {s} p idx mem)))     s3:(SLDconst [32] x4:(MOVBZloadidx [i+4] {s} p idx mem)))     s4:(SLDconst [40] x5:(MOVBZloadidx [i+5] {s} p idx mem)))     s5:(SLDconst [48] x6:(MOVBZloadidx [i+6] {s} p idx mem)))     s6:(SLDconst [56] x7:(MOVBZloadidx [i+7] {s} p idx mem)))
 15143  	// cond: x0.Uses == 1   && x1.Uses == 1   && x2.Uses == 1   && x3.Uses == 1   && x4.Uses == 1   && x5.Uses == 1   && x6.Uses == 1   && x7.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && s2.Uses == 1   && s3.Uses == 1   && s4.Uses == 1   && s5.Uses == 1   && s6.Uses == 1   && o0.Uses == 1   && o1.Uses == 1   && o2.Uses == 1   && o3.Uses == 1   && o4.Uses == 1   && o5.Uses == 1   && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil   && clobber(x0)   && clobber(x1)   && clobber(x2)   && clobber(x3)   && clobber(x4)   && clobber(x5)   && clobber(x6)   && clobber(x7)   && clobber(s0)   && clobber(s1)   && clobber(s2)   && clobber(s3)   && clobber(s4)   && clobber(s5)   && clobber(s6)   && clobber(o0)   && clobber(o1)   && clobber(o2)   && clobber(o3)   && clobber(o4)   && clobber(o5)
 15144  	// result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDBRloadidx <v.Type> [i] {s} p idx mem)
 15145  	for {
 15146  		o0 := v.Args[0]
 15147  		if o0.Op != OpS390XOR {
 15148  			break
 15149  		}
 15150  		o1 := o0.Args[0]
 15151  		if o1.Op != OpS390XOR {
 15152  			break
 15153  		}
 15154  		o2 := o1.Args[0]
 15155  		if o2.Op != OpS390XOR {
 15156  			break
 15157  		}
 15158  		o3 := o2.Args[0]
 15159  		if o3.Op != OpS390XOR {
 15160  			break
 15161  		}
 15162  		o4 := o3.Args[0]
 15163  		if o4.Op != OpS390XOR {
 15164  			break
 15165  		}
 15166  		o5 := o4.Args[0]
 15167  		if o5.Op != OpS390XOR {
 15168  			break
 15169  		}
 15170  		x0 := o5.Args[0]
 15171  		if x0.Op != OpS390XMOVBZloadidx {
 15172  			break
 15173  		}
 15174  		i := x0.AuxInt
 15175  		s := x0.Aux
 15176  		p := x0.Args[0]
 15177  		idx := x0.Args[1]
 15178  		mem := x0.Args[2]
 15179  		s0 := o5.Args[1]
 15180  		if s0.Op != OpS390XSLDconst {
 15181  			break
 15182  		}
 15183  		if s0.AuxInt != 8 {
 15184  			break
 15185  		}
 15186  		x1 := s0.Args[0]
 15187  		if x1.Op != OpS390XMOVBZloadidx {
 15188  			break
 15189  		}
 15190  		if x1.AuxInt != i+1 {
 15191  			break
 15192  		}
 15193  		if x1.Aux != s {
 15194  			break
 15195  		}
 15196  		if p != x1.Args[0] {
 15197  			break
 15198  		}
 15199  		if idx != x1.Args[1] {
 15200  			break
 15201  		}
 15202  		if mem != x1.Args[2] {
 15203  			break
 15204  		}
 15205  		s1 := o4.Args[1]
 15206  		if s1.Op != OpS390XSLDconst {
 15207  			break
 15208  		}
 15209  		if s1.AuxInt != 16 {
 15210  			break
 15211  		}
 15212  		x2 := s1.Args[0]
 15213  		if x2.Op != OpS390XMOVBZloadidx {
 15214  			break
 15215  		}
 15216  		if x2.AuxInt != i+2 {
 15217  			break
 15218  		}
 15219  		if x2.Aux != s {
 15220  			break
 15221  		}
 15222  		if p != x2.Args[0] {
 15223  			break
 15224  		}
 15225  		if idx != x2.Args[1] {
 15226  			break
 15227  		}
 15228  		if mem != x2.Args[2] {
 15229  			break
 15230  		}
 15231  		s2 := o3.Args[1]
 15232  		if s2.Op != OpS390XSLDconst {
 15233  			break
 15234  		}
 15235  		if s2.AuxInt != 24 {
 15236  			break
 15237  		}
 15238  		x3 := s2.Args[0]
 15239  		if x3.Op != OpS390XMOVBZloadidx {
 15240  			break
 15241  		}
 15242  		if x3.AuxInt != i+3 {
 15243  			break
 15244  		}
 15245  		if x3.Aux != s {
 15246  			break
 15247  		}
 15248  		if p != x3.Args[0] {
 15249  			break
 15250  		}
 15251  		if idx != x3.Args[1] {
 15252  			break
 15253  		}
 15254  		if mem != x3.Args[2] {
 15255  			break
 15256  		}
 15257  		s3 := o2.Args[1]
 15258  		if s3.Op != OpS390XSLDconst {
 15259  			break
 15260  		}
 15261  		if s3.AuxInt != 32 {
 15262  			break
 15263  		}
 15264  		x4 := s3.Args[0]
 15265  		if x4.Op != OpS390XMOVBZloadidx {
 15266  			break
 15267  		}
 15268  		if x4.AuxInt != i+4 {
 15269  			break
 15270  		}
 15271  		if x4.Aux != s {
 15272  			break
 15273  		}
 15274  		if p != x4.Args[0] {
 15275  			break
 15276  		}
 15277  		if idx != x4.Args[1] {
 15278  			break
 15279  		}
 15280  		if mem != x4.Args[2] {
 15281  			break
 15282  		}
 15283  		s4 := o1.Args[1]
 15284  		if s4.Op != OpS390XSLDconst {
 15285  			break
 15286  		}
 15287  		if s4.AuxInt != 40 {
 15288  			break
 15289  		}
 15290  		x5 := s4.Args[0]
 15291  		if x5.Op != OpS390XMOVBZloadidx {
 15292  			break
 15293  		}
 15294  		if x5.AuxInt != i+5 {
 15295  			break
 15296  		}
 15297  		if x5.Aux != s {
 15298  			break
 15299  		}
 15300  		if p != x5.Args[0] {
 15301  			break
 15302  		}
 15303  		if idx != x5.Args[1] {
 15304  			break
 15305  		}
 15306  		if mem != x5.Args[2] {
 15307  			break
 15308  		}
 15309  		s5 := o0.Args[1]
 15310  		if s5.Op != OpS390XSLDconst {
 15311  			break
 15312  		}
 15313  		if s5.AuxInt != 48 {
 15314  			break
 15315  		}
 15316  		x6 := s5.Args[0]
 15317  		if x6.Op != OpS390XMOVBZloadidx {
 15318  			break
 15319  		}
 15320  		if x6.AuxInt != i+6 {
 15321  			break
 15322  		}
 15323  		if x6.Aux != s {
 15324  			break
 15325  		}
 15326  		if p != x6.Args[0] {
 15327  			break
 15328  		}
 15329  		if idx != x6.Args[1] {
 15330  			break
 15331  		}
 15332  		if mem != x6.Args[2] {
 15333  			break
 15334  		}
 15335  		s6 := v.Args[1]
 15336  		if s6.Op != OpS390XSLDconst {
 15337  			break
 15338  		}
 15339  		if s6.AuxInt != 56 {
 15340  			break
 15341  		}
 15342  		x7 := s6.Args[0]
 15343  		if x7.Op != OpS390XMOVBZloadidx {
 15344  			break
 15345  		}
 15346  		if x7.AuxInt != i+7 {
 15347  			break
 15348  		}
 15349  		if x7.Aux != s {
 15350  			break
 15351  		}
 15352  		if p != x7.Args[0] {
 15353  			break
 15354  		}
 15355  		if idx != x7.Args[1] {
 15356  			break
 15357  		}
 15358  		if mem != x7.Args[2] {
 15359  			break
 15360  		}
 15361  		if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && s2.Uses == 1 && s3.Uses == 1 && s4.Uses == 1 && s5.Uses == 1 && s6.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(s0) && clobber(s1) && clobber(s2) && clobber(s3) && clobber(s4) && clobber(s5) && clobber(s6) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5)) {
 15362  			break
 15363  		}
 15364  		b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7)
 15365  		v0 := b.NewValue0(v.Pos, OpS390XMOVDBRloadidx, v.Type)
 15366  		v.reset(OpCopy)
 15367  		v.AddArg(v0)
 15368  		v0.AuxInt = i
 15369  		v0.Aux = s
 15370  		v0.AddArg(p)
 15371  		v0.AddArg(idx)
 15372  		v0.AddArg(mem)
 15373  		return true
 15374  	}
 15375  	// match: (OR o0:(OR o1:(OR o2:(OR o3:(OR o4:(OR o5:(OR                       x0:(MOVBZload [i]   {s} p mem)     s0:(SLDconst [8]  x1:(MOVBZload [i-1] {s} p mem)))     s1:(SLDconst [16] x2:(MOVBZload [i-2] {s} p mem)))     s2:(SLDconst [24] x3:(MOVBZload [i-3] {s} p mem)))     s3:(SLDconst [32] x4:(MOVBZload [i-4] {s} p mem)))     s4:(SLDconst [40] x5:(MOVBZload [i-5] {s} p mem)))     s5:(SLDconst [48] x6:(MOVBZload [i-6] {s} p mem)))     s6:(SLDconst [56] x7:(MOVBZload [i-7] {s} p mem)))
 15376  	// cond: p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && x2.Uses == 1   && x3.Uses == 1   && x4.Uses == 1   && x5.Uses == 1   && x6.Uses == 1   && x7.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && s2.Uses == 1   && s3.Uses == 1   && s4.Uses == 1   && s5.Uses == 1   && s6.Uses == 1   && o0.Uses == 1   && o1.Uses == 1   && o2.Uses == 1   && o3.Uses == 1   && o4.Uses == 1   && o5.Uses == 1   && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil   && clobber(x0)   && clobber(x1)   && clobber(x2)   && clobber(x3)   && clobber(x4)   && clobber(x5)   && clobber(x6)   && clobber(x7)   && clobber(s0)   && clobber(s1)   && clobber(s2)   && clobber(s3)   && clobber(s4)   && clobber(s5)   && clobber(s6)   && clobber(o0)   && clobber(o1)   && clobber(o2)   && clobber(o3)   && clobber(o4)   && clobber(o5)
 15377  	// result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDload [i-7] {s} p mem)
 15378  	for {
 15379  		o0 := v.Args[0]
 15380  		if o0.Op != OpS390XOR {
 15381  			break
 15382  		}
 15383  		o1 := o0.Args[0]
 15384  		if o1.Op != OpS390XOR {
 15385  			break
 15386  		}
 15387  		o2 := o1.Args[0]
 15388  		if o2.Op != OpS390XOR {
 15389  			break
 15390  		}
 15391  		o3 := o2.Args[0]
 15392  		if o3.Op != OpS390XOR {
 15393  			break
 15394  		}
 15395  		o4 := o3.Args[0]
 15396  		if o4.Op != OpS390XOR {
 15397  			break
 15398  		}
 15399  		o5 := o4.Args[0]
 15400  		if o5.Op != OpS390XOR {
 15401  			break
 15402  		}
 15403  		x0 := o5.Args[0]
 15404  		if x0.Op != OpS390XMOVBZload {
 15405  			break
 15406  		}
 15407  		i := x0.AuxInt
 15408  		s := x0.Aux
 15409  		p := x0.Args[0]
 15410  		mem := x0.Args[1]
 15411  		s0 := o5.Args[1]
 15412  		if s0.Op != OpS390XSLDconst {
 15413  			break
 15414  		}
 15415  		if s0.AuxInt != 8 {
 15416  			break
 15417  		}
 15418  		x1 := s0.Args[0]
 15419  		if x1.Op != OpS390XMOVBZload {
 15420  			break
 15421  		}
 15422  		if x1.AuxInt != i-1 {
 15423  			break
 15424  		}
 15425  		if x1.Aux != s {
 15426  			break
 15427  		}
 15428  		if p != x1.Args[0] {
 15429  			break
 15430  		}
 15431  		if mem != x1.Args[1] {
 15432  			break
 15433  		}
 15434  		s1 := o4.Args[1]
 15435  		if s1.Op != OpS390XSLDconst {
 15436  			break
 15437  		}
 15438  		if s1.AuxInt != 16 {
 15439  			break
 15440  		}
 15441  		x2 := s1.Args[0]
 15442  		if x2.Op != OpS390XMOVBZload {
 15443  			break
 15444  		}
 15445  		if x2.AuxInt != i-2 {
 15446  			break
 15447  		}
 15448  		if x2.Aux != s {
 15449  			break
 15450  		}
 15451  		if p != x2.Args[0] {
 15452  			break
 15453  		}
 15454  		if mem != x2.Args[1] {
 15455  			break
 15456  		}
 15457  		s2 := o3.Args[1]
 15458  		if s2.Op != OpS390XSLDconst {
 15459  			break
 15460  		}
 15461  		if s2.AuxInt != 24 {
 15462  			break
 15463  		}
 15464  		x3 := s2.Args[0]
 15465  		if x3.Op != OpS390XMOVBZload {
 15466  			break
 15467  		}
 15468  		if x3.AuxInt != i-3 {
 15469  			break
 15470  		}
 15471  		if x3.Aux != s {
 15472  			break
 15473  		}
 15474  		if p != x3.Args[0] {
 15475  			break
 15476  		}
 15477  		if mem != x3.Args[1] {
 15478  			break
 15479  		}
 15480  		s3 := o2.Args[1]
 15481  		if s3.Op != OpS390XSLDconst {
 15482  			break
 15483  		}
 15484  		if s3.AuxInt != 32 {
 15485  			break
 15486  		}
 15487  		x4 := s3.Args[0]
 15488  		if x4.Op != OpS390XMOVBZload {
 15489  			break
 15490  		}
 15491  		if x4.AuxInt != i-4 {
 15492  			break
 15493  		}
 15494  		if x4.Aux != s {
 15495  			break
 15496  		}
 15497  		if p != x4.Args[0] {
 15498  			break
 15499  		}
 15500  		if mem != x4.Args[1] {
 15501  			break
 15502  		}
 15503  		s4 := o1.Args[1]
 15504  		if s4.Op != OpS390XSLDconst {
 15505  			break
 15506  		}
 15507  		if s4.AuxInt != 40 {
 15508  			break
 15509  		}
 15510  		x5 := s4.Args[0]
 15511  		if x5.Op != OpS390XMOVBZload {
 15512  			break
 15513  		}
 15514  		if x5.AuxInt != i-5 {
 15515  			break
 15516  		}
 15517  		if x5.Aux != s {
 15518  			break
 15519  		}
 15520  		if p != x5.Args[0] {
 15521  			break
 15522  		}
 15523  		if mem != x5.Args[1] {
 15524  			break
 15525  		}
 15526  		s5 := o0.Args[1]
 15527  		if s5.Op != OpS390XSLDconst {
 15528  			break
 15529  		}
 15530  		if s5.AuxInt != 48 {
 15531  			break
 15532  		}
 15533  		x6 := s5.Args[0]
 15534  		if x6.Op != OpS390XMOVBZload {
 15535  			break
 15536  		}
 15537  		if x6.AuxInt != i-6 {
 15538  			break
 15539  		}
 15540  		if x6.Aux != s {
 15541  			break
 15542  		}
 15543  		if p != x6.Args[0] {
 15544  			break
 15545  		}
 15546  		if mem != x6.Args[1] {
 15547  			break
 15548  		}
 15549  		s6 := v.Args[1]
 15550  		if s6.Op != OpS390XSLDconst {
 15551  			break
 15552  		}
 15553  		if s6.AuxInt != 56 {
 15554  			break
 15555  		}
 15556  		x7 := s6.Args[0]
 15557  		if x7.Op != OpS390XMOVBZload {
 15558  			break
 15559  		}
 15560  		if x7.AuxInt != i-7 {
 15561  			break
 15562  		}
 15563  		if x7.Aux != s {
 15564  			break
 15565  		}
 15566  		if p != x7.Args[0] {
 15567  			break
 15568  		}
 15569  		if mem != x7.Args[1] {
 15570  			break
 15571  		}
 15572  		if !(p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && s2.Uses == 1 && s3.Uses == 1 && s4.Uses == 1 && s5.Uses == 1 && s6.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(s0) && clobber(s1) && clobber(s2) && clobber(s3) && clobber(s4) && clobber(s5) && clobber(s6) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5)) {
 15573  			break
 15574  		}
 15575  		b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7)
 15576  		v0 := b.NewValue0(v.Pos, OpS390XMOVDload, config.fe.TypeUInt64())
 15577  		v.reset(OpCopy)
 15578  		v.AddArg(v0)
 15579  		v0.AuxInt = i - 7
 15580  		v0.Aux = s
 15581  		v0.AddArg(p)
 15582  		v0.AddArg(mem)
 15583  		return true
 15584  	}
 15585  	// match: (OR o0:(OR o1:(OR o2:(OR o3:(OR o4:(OR o5:(OR                       x0:(MOVBZloadidx [i]   {s} p idx mem)     s0:(SLDconst [8]  x1:(MOVBZloadidx [i-1] {s} p idx mem)))     s1:(SLDconst [16] x2:(MOVBZloadidx [i-2] {s} p idx mem)))     s2:(SLDconst [24] x3:(MOVBZloadidx [i-3] {s} p idx mem)))     s3:(SLDconst [32] x4:(MOVBZloadidx [i-4] {s} p idx mem)))     s4:(SLDconst [40] x5:(MOVBZloadidx [i-5] {s} p idx mem)))     s5:(SLDconst [48] x6:(MOVBZloadidx [i-6] {s} p idx mem)))     s6:(SLDconst [56] x7:(MOVBZloadidx [i-7] {s} p idx mem)))
 15586  	// cond: x0.Uses == 1   && x1.Uses == 1   && x2.Uses == 1   && x3.Uses == 1   && x4.Uses == 1   && x5.Uses == 1   && x6.Uses == 1   && x7.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && s2.Uses == 1   && s3.Uses == 1   && s4.Uses == 1   && s5.Uses == 1   && s6.Uses == 1   && o0.Uses == 1   && o1.Uses == 1   && o2.Uses == 1   && o3.Uses == 1   && o4.Uses == 1   && o5.Uses == 1   && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil   && clobber(x0)   && clobber(x1)   && clobber(x2)   && clobber(x3)   && clobber(x4)   && clobber(x5)   && clobber(x6)   && clobber(x7)   && clobber(s0)   && clobber(s1)   && clobber(s2)   && clobber(s3)   && clobber(s4)   && clobber(s5)   && clobber(s6)   && clobber(o0)   && clobber(o1)   && clobber(o2)   && clobber(o3)   && clobber(o4)   && clobber(o5)
 15587  	// result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDloadidx <v.Type> [i-7] {s} p idx mem)
 15588  	for {
 15589  		o0 := v.Args[0]
 15590  		if o0.Op != OpS390XOR {
 15591  			break
 15592  		}
 15593  		o1 := o0.Args[0]
 15594  		if o1.Op != OpS390XOR {
 15595  			break
 15596  		}
 15597  		o2 := o1.Args[0]
 15598  		if o2.Op != OpS390XOR {
 15599  			break
 15600  		}
 15601  		o3 := o2.Args[0]
 15602  		if o3.Op != OpS390XOR {
 15603  			break
 15604  		}
 15605  		o4 := o3.Args[0]
 15606  		if o4.Op != OpS390XOR {
 15607  			break
 15608  		}
 15609  		o5 := o4.Args[0]
 15610  		if o5.Op != OpS390XOR {
 15611  			break
 15612  		}
 15613  		x0 := o5.Args[0]
 15614  		if x0.Op != OpS390XMOVBZloadidx {
 15615  			break
 15616  		}
 15617  		i := x0.AuxInt
 15618  		s := x0.Aux
 15619  		p := x0.Args[0]
 15620  		idx := x0.Args[1]
 15621  		mem := x0.Args[2]
 15622  		s0 := o5.Args[1]
 15623  		if s0.Op != OpS390XSLDconst {
 15624  			break
 15625  		}
 15626  		if s0.AuxInt != 8 {
 15627  			break
 15628  		}
 15629  		x1 := s0.Args[0]
 15630  		if x1.Op != OpS390XMOVBZloadidx {
 15631  			break
 15632  		}
 15633  		if x1.AuxInt != i-1 {
 15634  			break
 15635  		}
 15636  		if x1.Aux != s {
 15637  			break
 15638  		}
 15639  		if p != x1.Args[0] {
 15640  			break
 15641  		}
 15642  		if idx != x1.Args[1] {
 15643  			break
 15644  		}
 15645  		if mem != x1.Args[2] {
 15646  			break
 15647  		}
 15648  		s1 := o4.Args[1]
 15649  		if s1.Op != OpS390XSLDconst {
 15650  			break
 15651  		}
 15652  		if s1.AuxInt != 16 {
 15653  			break
 15654  		}
 15655  		x2 := s1.Args[0]
 15656  		if x2.Op != OpS390XMOVBZloadidx {
 15657  			break
 15658  		}
 15659  		if x2.AuxInt != i-2 {
 15660  			break
 15661  		}
 15662  		if x2.Aux != s {
 15663  			break
 15664  		}
 15665  		if p != x2.Args[0] {
 15666  			break
 15667  		}
 15668  		if idx != x2.Args[1] {
 15669  			break
 15670  		}
 15671  		if mem != x2.Args[2] {
 15672  			break
 15673  		}
 15674  		s2 := o3.Args[1]
 15675  		if s2.Op != OpS390XSLDconst {
 15676  			break
 15677  		}
 15678  		if s2.AuxInt != 24 {
 15679  			break
 15680  		}
 15681  		x3 := s2.Args[0]
 15682  		if x3.Op != OpS390XMOVBZloadidx {
 15683  			break
 15684  		}
 15685  		if x3.AuxInt != i-3 {
 15686  			break
 15687  		}
 15688  		if x3.Aux != s {
 15689  			break
 15690  		}
 15691  		if p != x3.Args[0] {
 15692  			break
 15693  		}
 15694  		if idx != x3.Args[1] {
 15695  			break
 15696  		}
 15697  		if mem != x3.Args[2] {
 15698  			break
 15699  		}
 15700  		s3 := o2.Args[1]
 15701  		if s3.Op != OpS390XSLDconst {
 15702  			break
 15703  		}
 15704  		if s3.AuxInt != 32 {
 15705  			break
 15706  		}
 15707  		x4 := s3.Args[0]
 15708  		if x4.Op != OpS390XMOVBZloadidx {
 15709  			break
 15710  		}
 15711  		if x4.AuxInt != i-4 {
 15712  			break
 15713  		}
 15714  		if x4.Aux != s {
 15715  			break
 15716  		}
 15717  		if p != x4.Args[0] {
 15718  			break
 15719  		}
 15720  		if idx != x4.Args[1] {
 15721  			break
 15722  		}
 15723  		if mem != x4.Args[2] {
 15724  			break
 15725  		}
 15726  		s4 := o1.Args[1]
 15727  		if s4.Op != OpS390XSLDconst {
 15728  			break
 15729  		}
 15730  		if s4.AuxInt != 40 {
 15731  			break
 15732  		}
 15733  		x5 := s4.Args[0]
 15734  		if x5.Op != OpS390XMOVBZloadidx {
 15735  			break
 15736  		}
 15737  		if x5.AuxInt != i-5 {
 15738  			break
 15739  		}
 15740  		if x5.Aux != s {
 15741  			break
 15742  		}
 15743  		if p != x5.Args[0] {
 15744  			break
 15745  		}
 15746  		if idx != x5.Args[1] {
 15747  			break
 15748  		}
 15749  		if mem != x5.Args[2] {
 15750  			break
 15751  		}
 15752  		s5 := o0.Args[1]
 15753  		if s5.Op != OpS390XSLDconst {
 15754  			break
 15755  		}
 15756  		if s5.AuxInt != 48 {
 15757  			break
 15758  		}
 15759  		x6 := s5.Args[0]
 15760  		if x6.Op != OpS390XMOVBZloadidx {
 15761  			break
 15762  		}
 15763  		if x6.AuxInt != i-6 {
 15764  			break
 15765  		}
 15766  		if x6.Aux != s {
 15767  			break
 15768  		}
 15769  		if p != x6.Args[0] {
 15770  			break
 15771  		}
 15772  		if idx != x6.Args[1] {
 15773  			break
 15774  		}
 15775  		if mem != x6.Args[2] {
 15776  			break
 15777  		}
 15778  		s6 := v.Args[1]
 15779  		if s6.Op != OpS390XSLDconst {
 15780  			break
 15781  		}
 15782  		if s6.AuxInt != 56 {
 15783  			break
 15784  		}
 15785  		x7 := s6.Args[0]
 15786  		if x7.Op != OpS390XMOVBZloadidx {
 15787  			break
 15788  		}
 15789  		if x7.AuxInt != i-7 {
 15790  			break
 15791  		}
 15792  		if x7.Aux != s {
 15793  			break
 15794  		}
 15795  		if p != x7.Args[0] {
 15796  			break
 15797  		}
 15798  		if idx != x7.Args[1] {
 15799  			break
 15800  		}
 15801  		if mem != x7.Args[2] {
 15802  			break
 15803  		}
 15804  		if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && s2.Uses == 1 && s3.Uses == 1 && s4.Uses == 1 && s5.Uses == 1 && s6.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(s0) && clobber(s1) && clobber(s2) && clobber(s3) && clobber(s4) && clobber(s5) && clobber(s6) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5)) {
 15805  			break
 15806  		}
 15807  		b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7)
 15808  		v0 := b.NewValue0(v.Pos, OpS390XMOVDloadidx, v.Type)
 15809  		v.reset(OpCopy)
 15810  		v.AddArg(v0)
 15811  		v0.AuxInt = i - 7
 15812  		v0.Aux = s
 15813  		v0.AddArg(p)
 15814  		v0.AddArg(idx)
 15815  		v0.AddArg(mem)
 15816  		return true
 15817  	}
 15818  	return false
 15819  }
 15820  func rewriteValueS390X_OpS390XORW(v *Value, config *Config) bool {
 15821  	b := v.Block
 15822  	_ = b
 15823  	// match: (ORW x (MOVDconst [c]))
 15824  	// cond:
 15825  	// result: (ORWconst [c] x)
 15826  	for {
 15827  		x := v.Args[0]
 15828  		v_1 := v.Args[1]
 15829  		if v_1.Op != OpS390XMOVDconst {
 15830  			break
 15831  		}
 15832  		c := v_1.AuxInt
 15833  		v.reset(OpS390XORWconst)
 15834  		v.AuxInt = c
 15835  		v.AddArg(x)
 15836  		return true
 15837  	}
 15838  	// match: (ORW (MOVDconst [c]) x)
 15839  	// cond:
 15840  	// result: (ORWconst [c] x)
 15841  	for {
 15842  		v_0 := v.Args[0]
 15843  		if v_0.Op != OpS390XMOVDconst {
 15844  			break
 15845  		}
 15846  		c := v_0.AuxInt
 15847  		x := v.Args[1]
 15848  		v.reset(OpS390XORWconst)
 15849  		v.AuxInt = c
 15850  		v.AddArg(x)
 15851  		return true
 15852  	}
 15853  	// match: ( ORW (SLWconst x [c]) (SRWconst x [32-c]))
 15854  	// cond:
 15855  	// result: (RLLconst [   c] x)
 15856  	for {
 15857  		v_0 := v.Args[0]
 15858  		if v_0.Op != OpS390XSLWconst {
 15859  			break
 15860  		}
 15861  		c := v_0.AuxInt
 15862  		x := v_0.Args[0]
 15863  		v_1 := v.Args[1]
 15864  		if v_1.Op != OpS390XSRWconst {
 15865  			break
 15866  		}
 15867  		if v_1.AuxInt != 32-c {
 15868  			break
 15869  		}
 15870  		if x != v_1.Args[0] {
 15871  			break
 15872  		}
 15873  		v.reset(OpS390XRLLconst)
 15874  		v.AuxInt = c
 15875  		v.AddArg(x)
 15876  		return true
 15877  	}
 15878  	// match: ( ORW (SRWconst x [c]) (SLWconst x [32-c]))
 15879  	// cond:
 15880  	// result: (RLLconst [32-c] x)
 15881  	for {
 15882  		v_0 := v.Args[0]
 15883  		if v_0.Op != OpS390XSRWconst {
 15884  			break
 15885  		}
 15886  		c := v_0.AuxInt
 15887  		x := v_0.Args[0]
 15888  		v_1 := v.Args[1]
 15889  		if v_1.Op != OpS390XSLWconst {
 15890  			break
 15891  		}
 15892  		if v_1.AuxInt != 32-c {
 15893  			break
 15894  		}
 15895  		if x != v_1.Args[0] {
 15896  			break
 15897  		}
 15898  		v.reset(OpS390XRLLconst)
 15899  		v.AuxInt = 32 - c
 15900  		v.AddArg(x)
 15901  		return true
 15902  	}
 15903  	// match: (ORW x x)
 15904  	// cond:
 15905  	// result: x
 15906  	for {
 15907  		x := v.Args[0]
 15908  		if x != v.Args[1] {
 15909  			break
 15910  		}
 15911  		v.reset(OpCopy)
 15912  		v.Type = x.Type
 15913  		v.AddArg(x)
 15914  		return true
 15915  	}
 15916  	// match: (ORW <t> x g:(MOVWload [off] {sym} ptr mem))
 15917  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 15918  	// result: (ORWload <t> [off] {sym} x ptr mem)
 15919  	for {
 15920  		t := v.Type
 15921  		x := v.Args[0]
 15922  		g := v.Args[1]
 15923  		if g.Op != OpS390XMOVWload {
 15924  			break
 15925  		}
 15926  		off := g.AuxInt
 15927  		sym := g.Aux
 15928  		ptr := g.Args[0]
 15929  		mem := g.Args[1]
 15930  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 15931  			break
 15932  		}
 15933  		v.reset(OpS390XORWload)
 15934  		v.Type = t
 15935  		v.AuxInt = off
 15936  		v.Aux = sym
 15937  		v.AddArg(x)
 15938  		v.AddArg(ptr)
 15939  		v.AddArg(mem)
 15940  		return true
 15941  	}
 15942  	// match: (ORW <t> g:(MOVWload [off] {sym} ptr mem) x)
 15943  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 15944  	// result: (ORWload <t> [off] {sym} x ptr mem)
 15945  	for {
 15946  		t := v.Type
 15947  		g := v.Args[0]
 15948  		if g.Op != OpS390XMOVWload {
 15949  			break
 15950  		}
 15951  		off := g.AuxInt
 15952  		sym := g.Aux
 15953  		ptr := g.Args[0]
 15954  		mem := g.Args[1]
 15955  		x := v.Args[1]
 15956  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 15957  			break
 15958  		}
 15959  		v.reset(OpS390XORWload)
 15960  		v.Type = t
 15961  		v.AuxInt = off
 15962  		v.Aux = sym
 15963  		v.AddArg(x)
 15964  		v.AddArg(ptr)
 15965  		v.AddArg(mem)
 15966  		return true
 15967  	}
 15968  	// match: (ORW <t> x g:(MOVWZload [off] {sym} ptr mem))
 15969  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 15970  	// result: (ORWload <t> [off] {sym} x ptr mem)
 15971  	for {
 15972  		t := v.Type
 15973  		x := v.Args[0]
 15974  		g := v.Args[1]
 15975  		if g.Op != OpS390XMOVWZload {
 15976  			break
 15977  		}
 15978  		off := g.AuxInt
 15979  		sym := g.Aux
 15980  		ptr := g.Args[0]
 15981  		mem := g.Args[1]
 15982  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 15983  			break
 15984  		}
 15985  		v.reset(OpS390XORWload)
 15986  		v.Type = t
 15987  		v.AuxInt = off
 15988  		v.Aux = sym
 15989  		v.AddArg(x)
 15990  		v.AddArg(ptr)
 15991  		v.AddArg(mem)
 15992  		return true
 15993  	}
 15994  	// match: (ORW <t> g:(MOVWZload [off] {sym} ptr mem) x)
 15995  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 15996  	// result: (ORWload <t> [off] {sym} x ptr mem)
 15997  	for {
 15998  		t := v.Type
 15999  		g := v.Args[0]
 16000  		if g.Op != OpS390XMOVWZload {
 16001  			break
 16002  		}
 16003  		off := g.AuxInt
 16004  		sym := g.Aux
 16005  		ptr := g.Args[0]
 16006  		mem := g.Args[1]
 16007  		x := v.Args[1]
 16008  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16009  			break
 16010  		}
 16011  		v.reset(OpS390XORWload)
 16012  		v.Type = t
 16013  		v.AuxInt = off
 16014  		v.Aux = sym
 16015  		v.AddArg(x)
 16016  		v.AddArg(ptr)
 16017  		v.AddArg(mem)
 16018  		return true
 16019  	}
 16020  	// match: (ORW x:(SLWconst _) y)
 16021  	// cond: y.Op != OpS390XSLWconst
 16022  	// result: (ORW y x)
 16023  	for {
 16024  		x := v.Args[0]
 16025  		if x.Op != OpS390XSLWconst {
 16026  			break
 16027  		}
 16028  		y := v.Args[1]
 16029  		if !(y.Op != OpS390XSLWconst) {
 16030  			break
 16031  		}
 16032  		v.reset(OpS390XORW)
 16033  		v.AddArg(y)
 16034  		v.AddArg(x)
 16035  		return true
 16036  	}
 16037  	// match: (ORW                 x0:(MOVBZload [i]   {s} p mem)     s0:(SLWconst [8] x1:(MOVBZload [i+1] {s} p mem)))
 16038  	// cond: p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)
 16039  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRload [i] {s} p mem))
 16040  	for {
 16041  		x0 := v.Args[0]
 16042  		if x0.Op != OpS390XMOVBZload {
 16043  			break
 16044  		}
 16045  		i := x0.AuxInt
 16046  		s := x0.Aux
 16047  		p := x0.Args[0]
 16048  		mem := x0.Args[1]
 16049  		s0 := v.Args[1]
 16050  		if s0.Op != OpS390XSLWconst {
 16051  			break
 16052  		}
 16053  		if s0.AuxInt != 8 {
 16054  			break
 16055  		}
 16056  		x1 := s0.Args[0]
 16057  		if x1.Op != OpS390XMOVBZload {
 16058  			break
 16059  		}
 16060  		if x1.AuxInt != i+1 {
 16061  			break
 16062  		}
 16063  		if x1.Aux != s {
 16064  			break
 16065  		}
 16066  		if p != x1.Args[0] {
 16067  			break
 16068  		}
 16069  		if mem != x1.Args[1] {
 16070  			break
 16071  		}
 16072  		if !(p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0)) {
 16073  			break
 16074  		}
 16075  		b = mergePoint(b, x0, x1)
 16076  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
 16077  		v.reset(OpCopy)
 16078  		v.AddArg(v0)
 16079  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRload, config.fe.TypeUInt16())
 16080  		v1.AuxInt = i
 16081  		v1.Aux = s
 16082  		v1.AddArg(p)
 16083  		v1.AddArg(mem)
 16084  		v0.AddArg(v1)
 16085  		return true
 16086  	}
 16087  	// match: (ORW o0:(ORW z0:(MOVHZreg x0:(MOVHBRload [i] {s} p mem))     s0:(SLWconst [16] x1:(MOVBZload [i+2] {s} p mem)))     s1:(SLWconst [24] x2:(MOVBZload [i+3] {s} p mem)))
 16088  	// cond: p.Op != OpSB   && z0.Uses == 1   && x0.Uses == 1   && x1.Uses == 1   && x2.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && o0.Uses == 1   && mergePoint(b,x0,x1,x2) != nil   && clobber(z0)   && clobber(x0)   && clobber(x1)   && clobber(x2)   && clobber(s0)   && clobber(s1)   && clobber(o0)
 16089  	// result: @mergePoint(b,x0,x1,x2) (MOVWBRload [i] {s} p mem)
 16090  	for {
 16091  		o0 := v.Args[0]
 16092  		if o0.Op != OpS390XORW {
 16093  			break
 16094  		}
 16095  		z0 := o0.Args[0]
 16096  		if z0.Op != OpS390XMOVHZreg {
 16097  			break
 16098  		}
 16099  		x0 := z0.Args[0]
 16100  		if x0.Op != OpS390XMOVHBRload {
 16101  			break
 16102  		}
 16103  		i := x0.AuxInt
 16104  		s := x0.Aux
 16105  		p := x0.Args[0]
 16106  		mem := x0.Args[1]
 16107  		s0 := o0.Args[1]
 16108  		if s0.Op != OpS390XSLWconst {
 16109  			break
 16110  		}
 16111  		if s0.AuxInt != 16 {
 16112  			break
 16113  		}
 16114  		x1 := s0.Args[0]
 16115  		if x1.Op != OpS390XMOVBZload {
 16116  			break
 16117  		}
 16118  		if x1.AuxInt != i+2 {
 16119  			break
 16120  		}
 16121  		if x1.Aux != s {
 16122  			break
 16123  		}
 16124  		if p != x1.Args[0] {
 16125  			break
 16126  		}
 16127  		if mem != x1.Args[1] {
 16128  			break
 16129  		}
 16130  		s1 := v.Args[1]
 16131  		if s1.Op != OpS390XSLWconst {
 16132  			break
 16133  		}
 16134  		if s1.AuxInt != 24 {
 16135  			break
 16136  		}
 16137  		x2 := s1.Args[0]
 16138  		if x2.Op != OpS390XMOVBZload {
 16139  			break
 16140  		}
 16141  		if x2.AuxInt != i+3 {
 16142  			break
 16143  		}
 16144  		if x2.Aux != s {
 16145  			break
 16146  		}
 16147  		if p != x2.Args[0] {
 16148  			break
 16149  		}
 16150  		if mem != x2.Args[1] {
 16151  			break
 16152  		}
 16153  		if !(p.Op != OpSB && z0.Uses == 1 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && clobber(z0) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(s0) && clobber(s1) && clobber(o0)) {
 16154  			break
 16155  		}
 16156  		b = mergePoint(b, x0, x1, x2)
 16157  		v0 := b.NewValue0(v.Pos, OpS390XMOVWBRload, config.fe.TypeUInt32())
 16158  		v.reset(OpCopy)
 16159  		v.AddArg(v0)
 16160  		v0.AuxInt = i
 16161  		v0.Aux = s
 16162  		v0.AddArg(p)
 16163  		v0.AddArg(mem)
 16164  		return true
 16165  	}
 16166  	// match: (ORW                 x0:(MOVBZloadidx [i]   {s} p idx mem)     s0:(SLWconst [8] x1:(MOVBZloadidx [i+1] {s} p idx mem)))
 16167  	// cond: x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)
 16168  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRloadidx <v.Type> [i] {s} p idx mem))
 16169  	for {
 16170  		x0 := v.Args[0]
 16171  		if x0.Op != OpS390XMOVBZloadidx {
 16172  			break
 16173  		}
 16174  		i := x0.AuxInt
 16175  		s := x0.Aux
 16176  		p := x0.Args[0]
 16177  		idx := x0.Args[1]
 16178  		mem := x0.Args[2]
 16179  		s0 := v.Args[1]
 16180  		if s0.Op != OpS390XSLWconst {
 16181  			break
 16182  		}
 16183  		if s0.AuxInt != 8 {
 16184  			break
 16185  		}
 16186  		x1 := s0.Args[0]
 16187  		if x1.Op != OpS390XMOVBZloadidx {
 16188  			break
 16189  		}
 16190  		if x1.AuxInt != i+1 {
 16191  			break
 16192  		}
 16193  		if x1.Aux != s {
 16194  			break
 16195  		}
 16196  		if p != x1.Args[0] {
 16197  			break
 16198  		}
 16199  		if idx != x1.Args[1] {
 16200  			break
 16201  		}
 16202  		if mem != x1.Args[2] {
 16203  			break
 16204  		}
 16205  		if !(x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0)) {
 16206  			break
 16207  		}
 16208  		b = mergePoint(b, x0, x1)
 16209  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
 16210  		v.reset(OpCopy)
 16211  		v.AddArg(v0)
 16212  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, v.Type)
 16213  		v1.AuxInt = i
 16214  		v1.Aux = s
 16215  		v1.AddArg(p)
 16216  		v1.AddArg(idx)
 16217  		v1.AddArg(mem)
 16218  		v0.AddArg(v1)
 16219  		return true
 16220  	}
 16221  	// match: (ORW o0:(ORW z0:(MOVHZreg x0:(MOVHBRloadidx [i] {s} p idx mem))     s0:(SLWconst [16] x1:(MOVBZloadidx [i+2] {s} p idx mem)))     s1:(SLWconst [24] x2:(MOVBZloadidx [i+3] {s} p idx mem)))
 16222  	// cond: z0.Uses == 1   && x0.Uses == 1   && x1.Uses == 1   && x2.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && o0.Uses == 1   && mergePoint(b,x0,x1,x2) != nil   && clobber(z0)   && clobber(x0)   && clobber(x1)   && clobber(x2)   && clobber(s0)   && clobber(s1)   && clobber(o0)
 16223  	// result: @mergePoint(b,x0,x1,x2) (MOVWZreg (MOVWBRloadidx <v.Type> [i] {s} p idx mem))
 16224  	for {
 16225  		o0 := v.Args[0]
 16226  		if o0.Op != OpS390XORW {
 16227  			break
 16228  		}
 16229  		z0 := o0.Args[0]
 16230  		if z0.Op != OpS390XMOVHZreg {
 16231  			break
 16232  		}
 16233  		x0 := z0.Args[0]
 16234  		if x0.Op != OpS390XMOVHBRloadidx {
 16235  			break
 16236  		}
 16237  		i := x0.AuxInt
 16238  		s := x0.Aux
 16239  		p := x0.Args[0]
 16240  		idx := x0.Args[1]
 16241  		mem := x0.Args[2]
 16242  		s0 := o0.Args[1]
 16243  		if s0.Op != OpS390XSLWconst {
 16244  			break
 16245  		}
 16246  		if s0.AuxInt != 16 {
 16247  			break
 16248  		}
 16249  		x1 := s0.Args[0]
 16250  		if x1.Op != OpS390XMOVBZloadidx {
 16251  			break
 16252  		}
 16253  		if x1.AuxInt != i+2 {
 16254  			break
 16255  		}
 16256  		if x1.Aux != s {
 16257  			break
 16258  		}
 16259  		if p != x1.Args[0] {
 16260  			break
 16261  		}
 16262  		if idx != x1.Args[1] {
 16263  			break
 16264  		}
 16265  		if mem != x1.Args[2] {
 16266  			break
 16267  		}
 16268  		s1 := v.Args[1]
 16269  		if s1.Op != OpS390XSLWconst {
 16270  			break
 16271  		}
 16272  		if s1.AuxInt != 24 {
 16273  			break
 16274  		}
 16275  		x2 := s1.Args[0]
 16276  		if x2.Op != OpS390XMOVBZloadidx {
 16277  			break
 16278  		}
 16279  		if x2.AuxInt != i+3 {
 16280  			break
 16281  		}
 16282  		if x2.Aux != s {
 16283  			break
 16284  		}
 16285  		if p != x2.Args[0] {
 16286  			break
 16287  		}
 16288  		if idx != x2.Args[1] {
 16289  			break
 16290  		}
 16291  		if mem != x2.Args[2] {
 16292  			break
 16293  		}
 16294  		if !(z0.Uses == 1 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && clobber(z0) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(s0) && clobber(s1) && clobber(o0)) {
 16295  			break
 16296  		}
 16297  		b = mergePoint(b, x0, x1, x2)
 16298  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZreg, config.fe.TypeUInt64())
 16299  		v.reset(OpCopy)
 16300  		v.AddArg(v0)
 16301  		v1 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, v.Type)
 16302  		v1.AuxInt = i
 16303  		v1.Aux = s
 16304  		v1.AddArg(p)
 16305  		v1.AddArg(idx)
 16306  		v1.AddArg(mem)
 16307  		v0.AddArg(v1)
 16308  		return true
 16309  	}
 16310  	// match: (ORW                  x0:(MOVBZload [i]   {s} p mem)     s0:(SLWconst [8] x1:(MOVBZload [i-1] {s} p mem)))
 16311  	// cond: p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)
 16312  	// result: @mergePoint(b,x0,x1) (MOVHZload [i-1] {s} p mem)
 16313  	for {
 16314  		x0 := v.Args[0]
 16315  		if x0.Op != OpS390XMOVBZload {
 16316  			break
 16317  		}
 16318  		i := x0.AuxInt
 16319  		s := x0.Aux
 16320  		p := x0.Args[0]
 16321  		mem := x0.Args[1]
 16322  		s0 := v.Args[1]
 16323  		if s0.Op != OpS390XSLWconst {
 16324  			break
 16325  		}
 16326  		if s0.AuxInt != 8 {
 16327  			break
 16328  		}
 16329  		x1 := s0.Args[0]
 16330  		if x1.Op != OpS390XMOVBZload {
 16331  			break
 16332  		}
 16333  		if x1.AuxInt != i-1 {
 16334  			break
 16335  		}
 16336  		if x1.Aux != s {
 16337  			break
 16338  		}
 16339  		if p != x1.Args[0] {
 16340  			break
 16341  		}
 16342  		if mem != x1.Args[1] {
 16343  			break
 16344  		}
 16345  		if !(p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0)) {
 16346  			break
 16347  		}
 16348  		b = mergePoint(b, x0, x1)
 16349  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZload, config.fe.TypeUInt16())
 16350  		v.reset(OpCopy)
 16351  		v.AddArg(v0)
 16352  		v0.AuxInt = i - 1
 16353  		v0.Aux = s
 16354  		v0.AddArg(p)
 16355  		v0.AddArg(mem)
 16356  		return true
 16357  	}
 16358  	// match: (ORW o0:(ORW x0:(MOVHZload [i] {s} p mem)     s0:(SLWconst [16] x1:(MOVBZload [i-1] {s} p mem)))     s1:(SLWconst [24] x2:(MOVBZload [i-2] {s} p mem)))
 16359  	// cond: p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && x2.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && o0.Uses == 1   && mergePoint(b,x0,x1,x2) != nil   && clobber(x0)   && clobber(x1)   && clobber(x2)   && clobber(s0)   && clobber(s1)   && clobber(o0)
 16360  	// result: @mergePoint(b,x0,x1,x2) (MOVWZload [i-2] {s} p mem)
 16361  	for {
 16362  		o0 := v.Args[0]
 16363  		if o0.Op != OpS390XORW {
 16364  			break
 16365  		}
 16366  		x0 := o0.Args[0]
 16367  		if x0.Op != OpS390XMOVHZload {
 16368  			break
 16369  		}
 16370  		i := x0.AuxInt
 16371  		s := x0.Aux
 16372  		p := x0.Args[0]
 16373  		mem := x0.Args[1]
 16374  		s0 := o0.Args[1]
 16375  		if s0.Op != OpS390XSLWconst {
 16376  			break
 16377  		}
 16378  		if s0.AuxInt != 16 {
 16379  			break
 16380  		}
 16381  		x1 := s0.Args[0]
 16382  		if x1.Op != OpS390XMOVBZload {
 16383  			break
 16384  		}
 16385  		if x1.AuxInt != i-1 {
 16386  			break
 16387  		}
 16388  		if x1.Aux != s {
 16389  			break
 16390  		}
 16391  		if p != x1.Args[0] {
 16392  			break
 16393  		}
 16394  		if mem != x1.Args[1] {
 16395  			break
 16396  		}
 16397  		s1 := v.Args[1]
 16398  		if s1.Op != OpS390XSLWconst {
 16399  			break
 16400  		}
 16401  		if s1.AuxInt != 24 {
 16402  			break
 16403  		}
 16404  		x2 := s1.Args[0]
 16405  		if x2.Op != OpS390XMOVBZload {
 16406  			break
 16407  		}
 16408  		if x2.AuxInt != i-2 {
 16409  			break
 16410  		}
 16411  		if x2.Aux != s {
 16412  			break
 16413  		}
 16414  		if p != x2.Args[0] {
 16415  			break
 16416  		}
 16417  		if mem != x2.Args[1] {
 16418  			break
 16419  		}
 16420  		if !(p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(s0) && clobber(s1) && clobber(o0)) {
 16421  			break
 16422  		}
 16423  		b = mergePoint(b, x0, x1, x2)
 16424  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZload, config.fe.TypeUInt32())
 16425  		v.reset(OpCopy)
 16426  		v.AddArg(v0)
 16427  		v0.AuxInt = i - 2
 16428  		v0.Aux = s
 16429  		v0.AddArg(p)
 16430  		v0.AddArg(mem)
 16431  		return true
 16432  	}
 16433  	// match: (ORW                 x0:(MOVBZloadidx [i]   {s} p idx mem)     s0:(SLWconst [8] x1:(MOVBZloadidx [i-1] {s} p idx mem)))
 16434  	// cond: x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)
 16435  	// result: @mergePoint(b,x0,x1) (MOVHZloadidx <v.Type> [i-1] {s} p idx mem)
 16436  	for {
 16437  		x0 := v.Args[0]
 16438  		if x0.Op != OpS390XMOVBZloadidx {
 16439  			break
 16440  		}
 16441  		i := x0.AuxInt
 16442  		s := x0.Aux
 16443  		p := x0.Args[0]
 16444  		idx := x0.Args[1]
 16445  		mem := x0.Args[2]
 16446  		s0 := v.Args[1]
 16447  		if s0.Op != OpS390XSLWconst {
 16448  			break
 16449  		}
 16450  		if s0.AuxInt != 8 {
 16451  			break
 16452  		}
 16453  		x1 := s0.Args[0]
 16454  		if x1.Op != OpS390XMOVBZloadidx {
 16455  			break
 16456  		}
 16457  		if x1.AuxInt != i-1 {
 16458  			break
 16459  		}
 16460  		if x1.Aux != s {
 16461  			break
 16462  		}
 16463  		if p != x1.Args[0] {
 16464  			break
 16465  		}
 16466  		if idx != x1.Args[1] {
 16467  			break
 16468  		}
 16469  		if mem != x1.Args[2] {
 16470  			break
 16471  		}
 16472  		if !(x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0)) {
 16473  			break
 16474  		}
 16475  		b = mergePoint(b, x0, x1)
 16476  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, v.Type)
 16477  		v.reset(OpCopy)
 16478  		v.AddArg(v0)
 16479  		v0.AuxInt = i - 1
 16480  		v0.Aux = s
 16481  		v0.AddArg(p)
 16482  		v0.AddArg(idx)
 16483  		v0.AddArg(mem)
 16484  		return true
 16485  	}
 16486  	// match: (ORW o0:(ORW x0:(MOVHZloadidx [i] {s} p idx mem)     s0:(SLWconst [16] x1:(MOVBZloadidx [i-1] {s} p idx mem)))     s1:(SLWconst [24] x2:(MOVBZloadidx [i-2] {s} p idx mem)))
 16487  	// cond: x0.Uses == 1   && x1.Uses == 1   && x2.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && o0.Uses == 1   && mergePoint(b,x0,x1,x2) != nil   && clobber(x0)   && clobber(x1)   && clobber(x2)   && clobber(s0)   && clobber(s1)   && clobber(o0)
 16488  	// result: @mergePoint(b,x0,x1,x2) (MOVWZloadidx <v.Type> [i-2] {s} p idx mem)
 16489  	for {
 16490  		o0 := v.Args[0]
 16491  		if o0.Op != OpS390XORW {
 16492  			break
 16493  		}
 16494  		x0 := o0.Args[0]
 16495  		if x0.Op != OpS390XMOVHZloadidx {
 16496  			break
 16497  		}
 16498  		i := x0.AuxInt
 16499  		s := x0.Aux
 16500  		p := x0.Args[0]
 16501  		idx := x0.Args[1]
 16502  		mem := x0.Args[2]
 16503  		s0 := o0.Args[1]
 16504  		if s0.Op != OpS390XSLWconst {
 16505  			break
 16506  		}
 16507  		if s0.AuxInt != 16 {
 16508  			break
 16509  		}
 16510  		x1 := s0.Args[0]
 16511  		if x1.Op != OpS390XMOVBZloadidx {
 16512  			break
 16513  		}
 16514  		if x1.AuxInt != i-1 {
 16515  			break
 16516  		}
 16517  		if x1.Aux != s {
 16518  			break
 16519  		}
 16520  		if p != x1.Args[0] {
 16521  			break
 16522  		}
 16523  		if idx != x1.Args[1] {
 16524  			break
 16525  		}
 16526  		if mem != x1.Args[2] {
 16527  			break
 16528  		}
 16529  		s1 := v.Args[1]
 16530  		if s1.Op != OpS390XSLWconst {
 16531  			break
 16532  		}
 16533  		if s1.AuxInt != 24 {
 16534  			break
 16535  		}
 16536  		x2 := s1.Args[0]
 16537  		if x2.Op != OpS390XMOVBZloadidx {
 16538  			break
 16539  		}
 16540  		if x2.AuxInt != i-2 {
 16541  			break
 16542  		}
 16543  		if x2.Aux != s {
 16544  			break
 16545  		}
 16546  		if p != x2.Args[0] {
 16547  			break
 16548  		}
 16549  		if idx != x2.Args[1] {
 16550  			break
 16551  		}
 16552  		if mem != x2.Args[2] {
 16553  			break
 16554  		}
 16555  		if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(s0) && clobber(s1) && clobber(o0)) {
 16556  			break
 16557  		}
 16558  		b = mergePoint(b, x0, x1, x2)
 16559  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, v.Type)
 16560  		v.reset(OpCopy)
 16561  		v.AddArg(v0)
 16562  		v0.AuxInt = i - 2
 16563  		v0.Aux = s
 16564  		v0.AddArg(p)
 16565  		v0.AddArg(idx)
 16566  		v0.AddArg(mem)
 16567  		return true
 16568  	}
 16569  	return false
 16570  }
 16571  func rewriteValueS390X_OpS390XORWconst(v *Value, config *Config) bool {
 16572  	b := v.Block
 16573  	_ = b
 16574  	// match: (ORWconst [c] x)
 16575  	// cond: int32(c)==0
 16576  	// result: x
 16577  	for {
 16578  		c := v.AuxInt
 16579  		x := v.Args[0]
 16580  		if !(int32(c) == 0) {
 16581  			break
 16582  		}
 16583  		v.reset(OpCopy)
 16584  		v.Type = x.Type
 16585  		v.AddArg(x)
 16586  		return true
 16587  	}
 16588  	// match: (ORWconst [c] _)
 16589  	// cond: int32(c)==-1
 16590  	// result: (MOVDconst [-1])
 16591  	for {
 16592  		c := v.AuxInt
 16593  		if !(int32(c) == -1) {
 16594  			break
 16595  		}
 16596  		v.reset(OpS390XMOVDconst)
 16597  		v.AuxInt = -1
 16598  		return true
 16599  	}
 16600  	// match: (ORWconst [c] (MOVDconst [d]))
 16601  	// cond:
 16602  	// result: (MOVDconst [c|d])
 16603  	for {
 16604  		c := v.AuxInt
 16605  		v_0 := v.Args[0]
 16606  		if v_0.Op != OpS390XMOVDconst {
 16607  			break
 16608  		}
 16609  		d := v_0.AuxInt
 16610  		v.reset(OpS390XMOVDconst)
 16611  		v.AuxInt = c | d
 16612  		return true
 16613  	}
 16614  	return false
 16615  }
 16616  func rewriteValueS390X_OpS390XORconst(v *Value, config *Config) bool {
 16617  	b := v.Block
 16618  	_ = b
 16619  	// match: (ORconst [0] x)
 16620  	// cond:
 16621  	// result: x
 16622  	for {
 16623  		if v.AuxInt != 0 {
 16624  			break
 16625  		}
 16626  		x := v.Args[0]
 16627  		v.reset(OpCopy)
 16628  		v.Type = x.Type
 16629  		v.AddArg(x)
 16630  		return true
 16631  	}
 16632  	// match: (ORconst [-1] _)
 16633  	// cond:
 16634  	// result: (MOVDconst [-1])
 16635  	for {
 16636  		if v.AuxInt != -1 {
 16637  			break
 16638  		}
 16639  		v.reset(OpS390XMOVDconst)
 16640  		v.AuxInt = -1
 16641  		return true
 16642  	}
 16643  	// match: (ORconst [c] (MOVDconst [d]))
 16644  	// cond:
 16645  	// result: (MOVDconst [c|d])
 16646  	for {
 16647  		c := v.AuxInt
 16648  		v_0 := v.Args[0]
 16649  		if v_0.Op != OpS390XMOVDconst {
 16650  			break
 16651  		}
 16652  		d := v_0.AuxInt
 16653  		v.reset(OpS390XMOVDconst)
 16654  		v.AuxInt = c | d
 16655  		return true
 16656  	}
 16657  	return false
 16658  }
 16659  func rewriteValueS390X_OpS390XSLD(v *Value, config *Config) bool {
 16660  	b := v.Block
 16661  	_ = b
 16662  	// match: (SLD x (MOVDconst [c]))
 16663  	// cond:
 16664  	// result: (SLDconst [c&63] x)
 16665  	for {
 16666  		x := v.Args[0]
 16667  		v_1 := v.Args[1]
 16668  		if v_1.Op != OpS390XMOVDconst {
 16669  			break
 16670  		}
 16671  		c := v_1.AuxInt
 16672  		v.reset(OpS390XSLDconst)
 16673  		v.AuxInt = c & 63
 16674  		v.AddArg(x)
 16675  		return true
 16676  	}
 16677  	// match: (SLD x (ANDconst [63] y))
 16678  	// cond:
 16679  	// result: (SLD x y)
 16680  	for {
 16681  		x := v.Args[0]
 16682  		v_1 := v.Args[1]
 16683  		if v_1.Op != OpS390XANDconst {
 16684  			break
 16685  		}
 16686  		if v_1.AuxInt != 63 {
 16687  			break
 16688  		}
 16689  		y := v_1.Args[0]
 16690  		v.reset(OpS390XSLD)
 16691  		v.AddArg(x)
 16692  		v.AddArg(y)
 16693  		return true
 16694  	}
 16695  	return false
 16696  }
 16697  func rewriteValueS390X_OpS390XSLW(v *Value, config *Config) bool {
 16698  	b := v.Block
 16699  	_ = b
 16700  	// match: (SLW x (MOVDconst [c]))
 16701  	// cond:
 16702  	// result: (SLWconst [c&63] x)
 16703  	for {
 16704  		x := v.Args[0]
 16705  		v_1 := v.Args[1]
 16706  		if v_1.Op != OpS390XMOVDconst {
 16707  			break
 16708  		}
 16709  		c := v_1.AuxInt
 16710  		v.reset(OpS390XSLWconst)
 16711  		v.AuxInt = c & 63
 16712  		v.AddArg(x)
 16713  		return true
 16714  	}
 16715  	// match: (SLW x (ANDWconst [63] y))
 16716  	// cond:
 16717  	// result: (SLW x y)
 16718  	for {
 16719  		x := v.Args[0]
 16720  		v_1 := v.Args[1]
 16721  		if v_1.Op != OpS390XANDWconst {
 16722  			break
 16723  		}
 16724  		if v_1.AuxInt != 63 {
 16725  			break
 16726  		}
 16727  		y := v_1.Args[0]
 16728  		v.reset(OpS390XSLW)
 16729  		v.AddArg(x)
 16730  		v.AddArg(y)
 16731  		return true
 16732  	}
 16733  	return false
 16734  }
 16735  func rewriteValueS390X_OpS390XSRAD(v *Value, config *Config) bool {
 16736  	b := v.Block
 16737  	_ = b
 16738  	// match: (SRAD x (MOVDconst [c]))
 16739  	// cond:
 16740  	// result: (SRADconst [c&63] x)
 16741  	for {
 16742  		x := v.Args[0]
 16743  		v_1 := v.Args[1]
 16744  		if v_1.Op != OpS390XMOVDconst {
 16745  			break
 16746  		}
 16747  		c := v_1.AuxInt
 16748  		v.reset(OpS390XSRADconst)
 16749  		v.AuxInt = c & 63
 16750  		v.AddArg(x)
 16751  		return true
 16752  	}
 16753  	// match: (SRAD x (ANDconst [63] y))
 16754  	// cond:
 16755  	// result: (SRAD x y)
 16756  	for {
 16757  		x := v.Args[0]
 16758  		v_1 := v.Args[1]
 16759  		if v_1.Op != OpS390XANDconst {
 16760  			break
 16761  		}
 16762  		if v_1.AuxInt != 63 {
 16763  			break
 16764  		}
 16765  		y := v_1.Args[0]
 16766  		v.reset(OpS390XSRAD)
 16767  		v.AddArg(x)
 16768  		v.AddArg(y)
 16769  		return true
 16770  	}
 16771  	return false
 16772  }
 16773  func rewriteValueS390X_OpS390XSRADconst(v *Value, config *Config) bool {
 16774  	b := v.Block
 16775  	_ = b
 16776  	// match: (SRADconst [c] (MOVDconst [d]))
 16777  	// cond:
 16778  	// result: (MOVDconst [d>>uint64(c)])
 16779  	for {
 16780  		c := v.AuxInt
 16781  		v_0 := v.Args[0]
 16782  		if v_0.Op != OpS390XMOVDconst {
 16783  			break
 16784  		}
 16785  		d := v_0.AuxInt
 16786  		v.reset(OpS390XMOVDconst)
 16787  		v.AuxInt = d >> uint64(c)
 16788  		return true
 16789  	}
 16790  	return false
 16791  }
 16792  func rewriteValueS390X_OpS390XSRAW(v *Value, config *Config) bool {
 16793  	b := v.Block
 16794  	_ = b
 16795  	// match: (SRAW x (MOVDconst [c]))
 16796  	// cond:
 16797  	// result: (SRAWconst [c&63] x)
 16798  	for {
 16799  		x := v.Args[0]
 16800  		v_1 := v.Args[1]
 16801  		if v_1.Op != OpS390XMOVDconst {
 16802  			break
 16803  		}
 16804  		c := v_1.AuxInt
 16805  		v.reset(OpS390XSRAWconst)
 16806  		v.AuxInt = c & 63
 16807  		v.AddArg(x)
 16808  		return true
 16809  	}
 16810  	// match: (SRAW x (ANDWconst [63] y))
 16811  	// cond:
 16812  	// result: (SRAW x y)
 16813  	for {
 16814  		x := v.Args[0]
 16815  		v_1 := v.Args[1]
 16816  		if v_1.Op != OpS390XANDWconst {
 16817  			break
 16818  		}
 16819  		if v_1.AuxInt != 63 {
 16820  			break
 16821  		}
 16822  		y := v_1.Args[0]
 16823  		v.reset(OpS390XSRAW)
 16824  		v.AddArg(x)
 16825  		v.AddArg(y)
 16826  		return true
 16827  	}
 16828  	return false
 16829  }
 16830  func rewriteValueS390X_OpS390XSRAWconst(v *Value, config *Config) bool {
 16831  	b := v.Block
 16832  	_ = b
 16833  	// match: (SRAWconst [c] (MOVDconst [d]))
 16834  	// cond:
 16835  	// result: (MOVDconst [d>>uint64(c)])
 16836  	for {
 16837  		c := v.AuxInt
 16838  		v_0 := v.Args[0]
 16839  		if v_0.Op != OpS390XMOVDconst {
 16840  			break
 16841  		}
 16842  		d := v_0.AuxInt
 16843  		v.reset(OpS390XMOVDconst)
 16844  		v.AuxInt = d >> uint64(c)
 16845  		return true
 16846  	}
 16847  	return false
 16848  }
 16849  func rewriteValueS390X_OpS390XSRD(v *Value, config *Config) bool {
 16850  	b := v.Block
 16851  	_ = b
 16852  	// match: (SRD x (MOVDconst [c]))
 16853  	// cond:
 16854  	// result: (SRDconst [c&63] x)
 16855  	for {
 16856  		x := v.Args[0]
 16857  		v_1 := v.Args[1]
 16858  		if v_1.Op != OpS390XMOVDconst {
 16859  			break
 16860  		}
 16861  		c := v_1.AuxInt
 16862  		v.reset(OpS390XSRDconst)
 16863  		v.AuxInt = c & 63
 16864  		v.AddArg(x)
 16865  		return true
 16866  	}
 16867  	// match: (SRD x (ANDconst [63] y))
 16868  	// cond:
 16869  	// result: (SRD x y)
 16870  	for {
 16871  		x := v.Args[0]
 16872  		v_1 := v.Args[1]
 16873  		if v_1.Op != OpS390XANDconst {
 16874  			break
 16875  		}
 16876  		if v_1.AuxInt != 63 {
 16877  			break
 16878  		}
 16879  		y := v_1.Args[0]
 16880  		v.reset(OpS390XSRD)
 16881  		v.AddArg(x)
 16882  		v.AddArg(y)
 16883  		return true
 16884  	}
 16885  	return false
 16886  }
 16887  func rewriteValueS390X_OpS390XSRW(v *Value, config *Config) bool {
 16888  	b := v.Block
 16889  	_ = b
 16890  	// match: (SRW x (MOVDconst [c]))
 16891  	// cond:
 16892  	// result: (SRWconst [c&63] x)
 16893  	for {
 16894  		x := v.Args[0]
 16895  		v_1 := v.Args[1]
 16896  		if v_1.Op != OpS390XMOVDconst {
 16897  			break
 16898  		}
 16899  		c := v_1.AuxInt
 16900  		v.reset(OpS390XSRWconst)
 16901  		v.AuxInt = c & 63
 16902  		v.AddArg(x)
 16903  		return true
 16904  	}
 16905  	// match: (SRW x (ANDWconst [63] y))
 16906  	// cond:
 16907  	// result: (SRW x y)
 16908  	for {
 16909  		x := v.Args[0]
 16910  		v_1 := v.Args[1]
 16911  		if v_1.Op != OpS390XANDWconst {
 16912  			break
 16913  		}
 16914  		if v_1.AuxInt != 63 {
 16915  			break
 16916  		}
 16917  		y := v_1.Args[0]
 16918  		v.reset(OpS390XSRW)
 16919  		v.AddArg(x)
 16920  		v.AddArg(y)
 16921  		return true
 16922  	}
 16923  	return false
 16924  }
 16925  func rewriteValueS390X_OpS390XSTM2(v *Value, config *Config) bool {
 16926  	b := v.Block
 16927  	_ = b
 16928  	// match: (STM2 [i] {s} p w2 w3 x:(STM2 [i-8] {s} p w0 w1 mem))
 16929  	// cond: x.Uses == 1   && is20Bit(i-8)   && clobber(x)
 16930  	// result: (STM4 [i-8] {s} p w0 w1 w2 w3 mem)
 16931  	for {
 16932  		i := v.AuxInt
 16933  		s := v.Aux
 16934  		p := v.Args[0]
 16935  		w2 := v.Args[1]
 16936  		w3 := v.Args[2]
 16937  		x := v.Args[3]
 16938  		if x.Op != OpS390XSTM2 {
 16939  			break
 16940  		}
 16941  		if x.AuxInt != i-8 {
 16942  			break
 16943  		}
 16944  		if x.Aux != s {
 16945  			break
 16946  		}
 16947  		if p != x.Args[0] {
 16948  			break
 16949  		}
 16950  		w0 := x.Args[1]
 16951  		w1 := x.Args[2]
 16952  		mem := x.Args[3]
 16953  		if !(x.Uses == 1 && is20Bit(i-8) && clobber(x)) {
 16954  			break
 16955  		}
 16956  		v.reset(OpS390XSTM4)
 16957  		v.AuxInt = i - 8
 16958  		v.Aux = s
 16959  		v.AddArg(p)
 16960  		v.AddArg(w0)
 16961  		v.AddArg(w1)
 16962  		v.AddArg(w2)
 16963  		v.AddArg(w3)
 16964  		v.AddArg(mem)
 16965  		return true
 16966  	}
 16967  	// match: (STM2 [i] {s} p (SRDconst [32] x) x mem)
 16968  	// cond:
 16969  	// result: (MOVDstore [i] {s} p x mem)
 16970  	for {
 16971  		i := v.AuxInt
 16972  		s := v.Aux
 16973  		p := v.Args[0]
 16974  		v_1 := v.Args[1]
 16975  		if v_1.Op != OpS390XSRDconst {
 16976  			break
 16977  		}
 16978  		if v_1.AuxInt != 32 {
 16979  			break
 16980  		}
 16981  		x := v_1.Args[0]
 16982  		if x != v.Args[2] {
 16983  			break
 16984  		}
 16985  		mem := v.Args[3]
 16986  		v.reset(OpS390XMOVDstore)
 16987  		v.AuxInt = i
 16988  		v.Aux = s
 16989  		v.AddArg(p)
 16990  		v.AddArg(x)
 16991  		v.AddArg(mem)
 16992  		return true
 16993  	}
 16994  	return false
 16995  }
 16996  func rewriteValueS390X_OpS390XSTMG2(v *Value, config *Config) bool {
 16997  	b := v.Block
 16998  	_ = b
 16999  	// match: (STMG2 [i] {s} p w2 w3 x:(STMG2 [i-16] {s} p w0 w1 mem))
 17000  	// cond: x.Uses == 1   && is20Bit(i-16)   && clobber(x)
 17001  	// result: (STMG4 [i-16] {s} p w0 w1 w2 w3 mem)
 17002  	for {
 17003  		i := v.AuxInt
 17004  		s := v.Aux
 17005  		p := v.Args[0]
 17006  		w2 := v.Args[1]
 17007  		w3 := v.Args[2]
 17008  		x := v.Args[3]
 17009  		if x.Op != OpS390XSTMG2 {
 17010  			break
 17011  		}
 17012  		if x.AuxInt != i-16 {
 17013  			break
 17014  		}
 17015  		if x.Aux != s {
 17016  			break
 17017  		}
 17018  		if p != x.Args[0] {
 17019  			break
 17020  		}
 17021  		w0 := x.Args[1]
 17022  		w1 := x.Args[2]
 17023  		mem := x.Args[3]
 17024  		if !(x.Uses == 1 && is20Bit(i-16) && clobber(x)) {
 17025  			break
 17026  		}
 17027  		v.reset(OpS390XSTMG4)
 17028  		v.AuxInt = i - 16
 17029  		v.Aux = s
 17030  		v.AddArg(p)
 17031  		v.AddArg(w0)
 17032  		v.AddArg(w1)
 17033  		v.AddArg(w2)
 17034  		v.AddArg(w3)
 17035  		v.AddArg(mem)
 17036  		return true
 17037  	}
 17038  	return false
 17039  }
 17040  func rewriteValueS390X_OpS390XSUB(v *Value, config *Config) bool {
 17041  	b := v.Block
 17042  	_ = b
 17043  	// match: (SUB x (MOVDconst [c]))
 17044  	// cond: is32Bit(c)
 17045  	// result: (SUBconst x [c])
 17046  	for {
 17047  		x := v.Args[0]
 17048  		v_1 := v.Args[1]
 17049  		if v_1.Op != OpS390XMOVDconst {
 17050  			break
 17051  		}
 17052  		c := v_1.AuxInt
 17053  		if !(is32Bit(c)) {
 17054  			break
 17055  		}
 17056  		v.reset(OpS390XSUBconst)
 17057  		v.AuxInt = c
 17058  		v.AddArg(x)
 17059  		return true
 17060  	}
 17061  	// match: (SUB (MOVDconst [c]) x)
 17062  	// cond: is32Bit(c)
 17063  	// result: (NEG (SUBconst <v.Type> x [c]))
 17064  	for {
 17065  		v_0 := v.Args[0]
 17066  		if v_0.Op != OpS390XMOVDconst {
 17067  			break
 17068  		}
 17069  		c := v_0.AuxInt
 17070  		x := v.Args[1]
 17071  		if !(is32Bit(c)) {
 17072  			break
 17073  		}
 17074  		v.reset(OpS390XNEG)
 17075  		v0 := b.NewValue0(v.Pos, OpS390XSUBconst, v.Type)
 17076  		v0.AuxInt = c
 17077  		v0.AddArg(x)
 17078  		v.AddArg(v0)
 17079  		return true
 17080  	}
 17081  	// match: (SUB x x)
 17082  	// cond:
 17083  	// result: (MOVDconst [0])
 17084  	for {
 17085  		x := v.Args[0]
 17086  		if x != v.Args[1] {
 17087  			break
 17088  		}
 17089  		v.reset(OpS390XMOVDconst)
 17090  		v.AuxInt = 0
 17091  		return true
 17092  	}
 17093  	// match: (SUB <t> x g:(MOVDload [off] {sym} ptr mem))
 17094  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 17095  	// result: (SUBload <t> [off] {sym} x ptr mem)
 17096  	for {
 17097  		t := v.Type
 17098  		x := v.Args[0]
 17099  		g := v.Args[1]
 17100  		if g.Op != OpS390XMOVDload {
 17101  			break
 17102  		}
 17103  		off := g.AuxInt
 17104  		sym := g.Aux
 17105  		ptr := g.Args[0]
 17106  		mem := g.Args[1]
 17107  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 17108  			break
 17109  		}
 17110  		v.reset(OpS390XSUBload)
 17111  		v.Type = t
 17112  		v.AuxInt = off
 17113  		v.Aux = sym
 17114  		v.AddArg(x)
 17115  		v.AddArg(ptr)
 17116  		v.AddArg(mem)
 17117  		return true
 17118  	}
 17119  	return false
 17120  }
 17121  func rewriteValueS390X_OpS390XSUBEWcarrymask(v *Value, config *Config) bool {
 17122  	b := v.Block
 17123  	_ = b
 17124  	// match: (SUBEWcarrymask (FlagEQ))
 17125  	// cond:
 17126  	// result: (MOVDconst [-1])
 17127  	for {
 17128  		v_0 := v.Args[0]
 17129  		if v_0.Op != OpS390XFlagEQ {
 17130  			break
 17131  		}
 17132  		v.reset(OpS390XMOVDconst)
 17133  		v.AuxInt = -1
 17134  		return true
 17135  	}
 17136  	// match: (SUBEWcarrymask (FlagLT))
 17137  	// cond:
 17138  	// result: (MOVDconst [-1])
 17139  	for {
 17140  		v_0 := v.Args[0]
 17141  		if v_0.Op != OpS390XFlagLT {
 17142  			break
 17143  		}
 17144  		v.reset(OpS390XMOVDconst)
 17145  		v.AuxInt = -1
 17146  		return true
 17147  	}
 17148  	// match: (SUBEWcarrymask (FlagGT))
 17149  	// cond:
 17150  	// result: (MOVDconst [0])
 17151  	for {
 17152  		v_0 := v.Args[0]
 17153  		if v_0.Op != OpS390XFlagGT {
 17154  			break
 17155  		}
 17156  		v.reset(OpS390XMOVDconst)
 17157  		v.AuxInt = 0
 17158  		return true
 17159  	}
 17160  	return false
 17161  }
 17162  func rewriteValueS390X_OpS390XSUBEcarrymask(v *Value, config *Config) bool {
 17163  	b := v.Block
 17164  	_ = b
 17165  	// match: (SUBEcarrymask (FlagEQ))
 17166  	// cond:
 17167  	// result: (MOVDconst [-1])
 17168  	for {
 17169  		v_0 := v.Args[0]
 17170  		if v_0.Op != OpS390XFlagEQ {
 17171  			break
 17172  		}
 17173  		v.reset(OpS390XMOVDconst)
 17174  		v.AuxInt = -1
 17175  		return true
 17176  	}
 17177  	// match: (SUBEcarrymask (FlagLT))
 17178  	// cond:
 17179  	// result: (MOVDconst [-1])
 17180  	for {
 17181  		v_0 := v.Args[0]
 17182  		if v_0.Op != OpS390XFlagLT {
 17183  			break
 17184  		}
 17185  		v.reset(OpS390XMOVDconst)
 17186  		v.AuxInt = -1
 17187  		return true
 17188  	}
 17189  	// match: (SUBEcarrymask (FlagGT))
 17190  	// cond:
 17191  	// result: (MOVDconst [0])
 17192  	for {
 17193  		v_0 := v.Args[0]
 17194  		if v_0.Op != OpS390XFlagGT {
 17195  			break
 17196  		}
 17197  		v.reset(OpS390XMOVDconst)
 17198  		v.AuxInt = 0
 17199  		return true
 17200  	}
 17201  	return false
 17202  }
 17203  func rewriteValueS390X_OpS390XSUBW(v *Value, config *Config) bool {
 17204  	b := v.Block
 17205  	_ = b
 17206  	// match: (SUBW x (MOVDconst [c]))
 17207  	// cond:
 17208  	// result: (SUBWconst x [c])
 17209  	for {
 17210  		x := v.Args[0]
 17211  		v_1 := v.Args[1]
 17212  		if v_1.Op != OpS390XMOVDconst {
 17213  			break
 17214  		}
 17215  		c := v_1.AuxInt
 17216  		v.reset(OpS390XSUBWconst)
 17217  		v.AuxInt = c
 17218  		v.AddArg(x)
 17219  		return true
 17220  	}
 17221  	// match: (SUBW (MOVDconst [c]) x)
 17222  	// cond:
 17223  	// result: (NEGW (SUBWconst <v.Type> x [c]))
 17224  	for {
 17225  		v_0 := v.Args[0]
 17226  		if v_0.Op != OpS390XMOVDconst {
 17227  			break
 17228  		}
 17229  		c := v_0.AuxInt
 17230  		x := v.Args[1]
 17231  		v.reset(OpS390XNEGW)
 17232  		v0 := b.NewValue0(v.Pos, OpS390XSUBWconst, v.Type)
 17233  		v0.AuxInt = c
 17234  		v0.AddArg(x)
 17235  		v.AddArg(v0)
 17236  		return true
 17237  	}
 17238  	// match: (SUBW x x)
 17239  	// cond:
 17240  	// result: (MOVDconst [0])
 17241  	for {
 17242  		x := v.Args[0]
 17243  		if x != v.Args[1] {
 17244  			break
 17245  		}
 17246  		v.reset(OpS390XMOVDconst)
 17247  		v.AuxInt = 0
 17248  		return true
 17249  	}
 17250  	// match: (SUBW <t> x g:(MOVWload [off] {sym} ptr mem))
 17251  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 17252  	// result: (SUBWload <t> [off] {sym} x ptr mem)
 17253  	for {
 17254  		t := v.Type
 17255  		x := v.Args[0]
 17256  		g := v.Args[1]
 17257  		if g.Op != OpS390XMOVWload {
 17258  			break
 17259  		}
 17260  		off := g.AuxInt
 17261  		sym := g.Aux
 17262  		ptr := g.Args[0]
 17263  		mem := g.Args[1]
 17264  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 17265  			break
 17266  		}
 17267  		v.reset(OpS390XSUBWload)
 17268  		v.Type = t
 17269  		v.AuxInt = off
 17270  		v.Aux = sym
 17271  		v.AddArg(x)
 17272  		v.AddArg(ptr)
 17273  		v.AddArg(mem)
 17274  		return true
 17275  	}
 17276  	// match: (SUBW <t> x g:(MOVWZload [off] {sym} ptr mem))
 17277  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 17278  	// result: (SUBWload <t> [off] {sym} x ptr mem)
 17279  	for {
 17280  		t := v.Type
 17281  		x := v.Args[0]
 17282  		g := v.Args[1]
 17283  		if g.Op != OpS390XMOVWZload {
 17284  			break
 17285  		}
 17286  		off := g.AuxInt
 17287  		sym := g.Aux
 17288  		ptr := g.Args[0]
 17289  		mem := g.Args[1]
 17290  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 17291  			break
 17292  		}
 17293  		v.reset(OpS390XSUBWload)
 17294  		v.Type = t
 17295  		v.AuxInt = off
 17296  		v.Aux = sym
 17297  		v.AddArg(x)
 17298  		v.AddArg(ptr)
 17299  		v.AddArg(mem)
 17300  		return true
 17301  	}
 17302  	return false
 17303  }
 17304  func rewriteValueS390X_OpS390XSUBWconst(v *Value, config *Config) bool {
 17305  	b := v.Block
 17306  	_ = b
 17307  	// match: (SUBWconst [c] x)
 17308  	// cond: int32(c) == 0
 17309  	// result: x
 17310  	for {
 17311  		c := v.AuxInt
 17312  		x := v.Args[0]
 17313  		if !(int32(c) == 0) {
 17314  			break
 17315  		}
 17316  		v.reset(OpCopy)
 17317  		v.Type = x.Type
 17318  		v.AddArg(x)
 17319  		return true
 17320  	}
 17321  	// match: (SUBWconst [c] x)
 17322  	// cond:
 17323  	// result: (ADDWconst [int64(int32(-c))] x)
 17324  	for {
 17325  		c := v.AuxInt
 17326  		x := v.Args[0]
 17327  		v.reset(OpS390XADDWconst)
 17328  		v.AuxInt = int64(int32(-c))
 17329  		v.AddArg(x)
 17330  		return true
 17331  	}
 17332  }
 17333  func rewriteValueS390X_OpS390XSUBconst(v *Value, config *Config) bool {
 17334  	b := v.Block
 17335  	_ = b
 17336  	// match: (SUBconst [0] x)
 17337  	// cond:
 17338  	// result: x
 17339  	for {
 17340  		if v.AuxInt != 0 {
 17341  			break
 17342  		}
 17343  		x := v.Args[0]
 17344  		v.reset(OpCopy)
 17345  		v.Type = x.Type
 17346  		v.AddArg(x)
 17347  		return true
 17348  	}
 17349  	// match: (SUBconst [c] x)
 17350  	// cond: c != -(1<<31)
 17351  	// result: (ADDconst [-c] x)
 17352  	for {
 17353  		c := v.AuxInt
 17354  		x := v.Args[0]
 17355  		if !(c != -(1 << 31)) {
 17356  			break
 17357  		}
 17358  		v.reset(OpS390XADDconst)
 17359  		v.AuxInt = -c
 17360  		v.AddArg(x)
 17361  		return true
 17362  	}
 17363  	// match: (SUBconst (MOVDconst [d]) [c])
 17364  	// cond:
 17365  	// result: (MOVDconst [d-c])
 17366  	for {
 17367  		c := v.AuxInt
 17368  		v_0 := v.Args[0]
 17369  		if v_0.Op != OpS390XMOVDconst {
 17370  			break
 17371  		}
 17372  		d := v_0.AuxInt
 17373  		v.reset(OpS390XMOVDconst)
 17374  		v.AuxInt = d - c
 17375  		return true
 17376  	}
 17377  	// match: (SUBconst (SUBconst x [d]) [c])
 17378  	// cond: is32Bit(-c-d)
 17379  	// result: (ADDconst [-c-d] x)
 17380  	for {
 17381  		c := v.AuxInt
 17382  		v_0 := v.Args[0]
 17383  		if v_0.Op != OpS390XSUBconst {
 17384  			break
 17385  		}
 17386  		d := v_0.AuxInt
 17387  		x := v_0.Args[0]
 17388  		if !(is32Bit(-c - d)) {
 17389  			break
 17390  		}
 17391  		v.reset(OpS390XADDconst)
 17392  		v.AuxInt = -c - d
 17393  		v.AddArg(x)
 17394  		return true
 17395  	}
 17396  	return false
 17397  }
 17398  func rewriteValueS390X_OpS390XXOR(v *Value, config *Config) bool {
 17399  	b := v.Block
 17400  	_ = b
 17401  	// match: (XOR x (MOVDconst [c]))
 17402  	// cond: isU32Bit(c)
 17403  	// result: (XORconst [c] x)
 17404  	for {
 17405  		x := v.Args[0]
 17406  		v_1 := v.Args[1]
 17407  		if v_1.Op != OpS390XMOVDconst {
 17408  			break
 17409  		}
 17410  		c := v_1.AuxInt
 17411  		if !(isU32Bit(c)) {
 17412  			break
 17413  		}
 17414  		v.reset(OpS390XXORconst)
 17415  		v.AuxInt = c
 17416  		v.AddArg(x)
 17417  		return true
 17418  	}
 17419  	// match: (XOR (MOVDconst [c]) x)
 17420  	// cond: isU32Bit(c)
 17421  	// result: (XORconst [c] x)
 17422  	for {
 17423  		v_0 := v.Args[0]
 17424  		if v_0.Op != OpS390XMOVDconst {
 17425  			break
 17426  		}
 17427  		c := v_0.AuxInt
 17428  		x := v.Args[1]
 17429  		if !(isU32Bit(c)) {
 17430  			break
 17431  		}
 17432  		v.reset(OpS390XXORconst)
 17433  		v.AuxInt = c
 17434  		v.AddArg(x)
 17435  		return true
 17436  	}
 17437  	// match: (XOR (SLDconst x [c]) (SRDconst x [64-c]))
 17438  	// cond:
 17439  	// result: (RLLGconst [   c] x)
 17440  	for {
 17441  		v_0 := v.Args[0]
 17442  		if v_0.Op != OpS390XSLDconst {
 17443  			break
 17444  		}
 17445  		c := v_0.AuxInt
 17446  		x := v_0.Args[0]
 17447  		v_1 := v.Args[1]
 17448  		if v_1.Op != OpS390XSRDconst {
 17449  			break
 17450  		}
 17451  		if v_1.AuxInt != 64-c {
 17452  			break
 17453  		}
 17454  		if x != v_1.Args[0] {
 17455  			break
 17456  		}
 17457  		v.reset(OpS390XRLLGconst)
 17458  		v.AuxInt = c
 17459  		v.AddArg(x)
 17460  		return true
 17461  	}
 17462  	// match: (XOR (SRDconst x [c]) (SLDconst x [64-c]))
 17463  	// cond:
 17464  	// result: (RLLGconst [64-c] x)
 17465  	for {
 17466  		v_0 := v.Args[0]
 17467  		if v_0.Op != OpS390XSRDconst {
 17468  			break
 17469  		}
 17470  		c := v_0.AuxInt
 17471  		x := v_0.Args[0]
 17472  		v_1 := v.Args[1]
 17473  		if v_1.Op != OpS390XSLDconst {
 17474  			break
 17475  		}
 17476  		if v_1.AuxInt != 64-c {
 17477  			break
 17478  		}
 17479  		if x != v_1.Args[0] {
 17480  			break
 17481  		}
 17482  		v.reset(OpS390XRLLGconst)
 17483  		v.AuxInt = 64 - c
 17484  		v.AddArg(x)
 17485  		return true
 17486  	}
 17487  	// match: (XOR (MOVDconst [c]) (MOVDconst [d]))
 17488  	// cond:
 17489  	// result: (MOVDconst [c^d])
 17490  	for {
 17491  		v_0 := v.Args[0]
 17492  		if v_0.Op != OpS390XMOVDconst {
 17493  			break
 17494  		}
 17495  		c := v_0.AuxInt
 17496  		v_1 := v.Args[1]
 17497  		if v_1.Op != OpS390XMOVDconst {
 17498  			break
 17499  		}
 17500  		d := v_1.AuxInt
 17501  		v.reset(OpS390XMOVDconst)
 17502  		v.AuxInt = c ^ d
 17503  		return true
 17504  	}
 17505  	// match: (XOR x x)
 17506  	// cond:
 17507  	// result: (MOVDconst [0])
 17508  	for {
 17509  		x := v.Args[0]
 17510  		if x != v.Args[1] {
 17511  			break
 17512  		}
 17513  		v.reset(OpS390XMOVDconst)
 17514  		v.AuxInt = 0
 17515  		return true
 17516  	}
 17517  	// match: (XOR <t> x g:(MOVDload [off] {sym} ptr mem))
 17518  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 17519  	// result: (XORload <t> [off] {sym} x ptr mem)
 17520  	for {
 17521  		t := v.Type
 17522  		x := v.Args[0]
 17523  		g := v.Args[1]
 17524  		if g.Op != OpS390XMOVDload {
 17525  			break
 17526  		}
 17527  		off := g.AuxInt
 17528  		sym := g.Aux
 17529  		ptr := g.Args[0]
 17530  		mem := g.Args[1]
 17531  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 17532  			break
 17533  		}
 17534  		v.reset(OpS390XXORload)
 17535  		v.Type = t
 17536  		v.AuxInt = off
 17537  		v.Aux = sym
 17538  		v.AddArg(x)
 17539  		v.AddArg(ptr)
 17540  		v.AddArg(mem)
 17541  		return true
 17542  	}
 17543  	// match: (XOR <t> g:(MOVDload [off] {sym} ptr mem) x)
 17544  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 17545  	// result: (XORload <t> [off] {sym} x ptr mem)
 17546  	for {
 17547  		t := v.Type
 17548  		g := v.Args[0]
 17549  		if g.Op != OpS390XMOVDload {
 17550  			break
 17551  		}
 17552  		off := g.AuxInt
 17553  		sym := g.Aux
 17554  		ptr := g.Args[0]
 17555  		mem := g.Args[1]
 17556  		x := v.Args[1]
 17557  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 17558  			break
 17559  		}
 17560  		v.reset(OpS390XXORload)
 17561  		v.Type = t
 17562  		v.AuxInt = off
 17563  		v.Aux = sym
 17564  		v.AddArg(x)
 17565  		v.AddArg(ptr)
 17566  		v.AddArg(mem)
 17567  		return true
 17568  	}
 17569  	return false
 17570  }
 17571  func rewriteValueS390X_OpS390XXORW(v *Value, config *Config) bool {
 17572  	b := v.Block
 17573  	_ = b
 17574  	// match: (XORW x (MOVDconst [c]))
 17575  	// cond:
 17576  	// result: (XORWconst [c] x)
 17577  	for {
 17578  		x := v.Args[0]
 17579  		v_1 := v.Args[1]
 17580  		if v_1.Op != OpS390XMOVDconst {
 17581  			break
 17582  		}
 17583  		c := v_1.AuxInt
 17584  		v.reset(OpS390XXORWconst)
 17585  		v.AuxInt = c
 17586  		v.AddArg(x)
 17587  		return true
 17588  	}
 17589  	// match: (XORW (MOVDconst [c]) x)
 17590  	// cond:
 17591  	// result: (XORWconst [c] x)
 17592  	for {
 17593  		v_0 := v.Args[0]
 17594  		if v_0.Op != OpS390XMOVDconst {
 17595  			break
 17596  		}
 17597  		c := v_0.AuxInt
 17598  		x := v.Args[1]
 17599  		v.reset(OpS390XXORWconst)
 17600  		v.AuxInt = c
 17601  		v.AddArg(x)
 17602  		return true
 17603  	}
 17604  	// match: (XORW (SLWconst x [c]) (SRWconst x [32-c]))
 17605  	// cond:
 17606  	// result: (RLLconst [   c] x)
 17607  	for {
 17608  		v_0 := v.Args[0]
 17609  		if v_0.Op != OpS390XSLWconst {
 17610  			break
 17611  		}
 17612  		c := v_0.AuxInt
 17613  		x := v_0.Args[0]
 17614  		v_1 := v.Args[1]
 17615  		if v_1.Op != OpS390XSRWconst {
 17616  			break
 17617  		}
 17618  		if v_1.AuxInt != 32-c {
 17619  			break
 17620  		}
 17621  		if x != v_1.Args[0] {
 17622  			break
 17623  		}
 17624  		v.reset(OpS390XRLLconst)
 17625  		v.AuxInt = c
 17626  		v.AddArg(x)
 17627  		return true
 17628  	}
 17629  	// match: (XORW (SRWconst x [c]) (SLWconst x [32-c]))
 17630  	// cond:
 17631  	// result: (RLLconst [32-c] x)
 17632  	for {
 17633  		v_0 := v.Args[0]
 17634  		if v_0.Op != OpS390XSRWconst {
 17635  			break
 17636  		}
 17637  		c := v_0.AuxInt
 17638  		x := v_0.Args[0]
 17639  		v_1 := v.Args[1]
 17640  		if v_1.Op != OpS390XSLWconst {
 17641  			break
 17642  		}
 17643  		if v_1.AuxInt != 32-c {
 17644  			break
 17645  		}
 17646  		if x != v_1.Args[0] {
 17647  			break
 17648  		}
 17649  		v.reset(OpS390XRLLconst)
 17650  		v.AuxInt = 32 - c
 17651  		v.AddArg(x)
 17652  		return true
 17653  	}
 17654  	// match: (XORW x x)
 17655  	// cond:
 17656  	// result: (MOVDconst [0])
 17657  	for {
 17658  		x := v.Args[0]
 17659  		if x != v.Args[1] {
 17660  			break
 17661  		}
 17662  		v.reset(OpS390XMOVDconst)
 17663  		v.AuxInt = 0
 17664  		return true
 17665  	}
 17666  	// match: (XORW <t> x g:(MOVWload [off] {sym} ptr mem))
 17667  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 17668  	// result: (XORWload <t> [off] {sym} x ptr mem)
 17669  	for {
 17670  		t := v.Type
 17671  		x := v.Args[0]
 17672  		g := v.Args[1]
 17673  		if g.Op != OpS390XMOVWload {
 17674  			break
 17675  		}
 17676  		off := g.AuxInt
 17677  		sym := g.Aux
 17678  		ptr := g.Args[0]
 17679  		mem := g.Args[1]
 17680  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 17681  			break
 17682  		}
 17683  		v.reset(OpS390XXORWload)
 17684  		v.Type = t
 17685  		v.AuxInt = off
 17686  		v.Aux = sym
 17687  		v.AddArg(x)
 17688  		v.AddArg(ptr)
 17689  		v.AddArg(mem)
 17690  		return true
 17691  	}
 17692  	// match: (XORW <t> g:(MOVWload [off] {sym} ptr mem) x)
 17693  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 17694  	// result: (XORWload <t> [off] {sym} x ptr mem)
 17695  	for {
 17696  		t := v.Type
 17697  		g := v.Args[0]
 17698  		if g.Op != OpS390XMOVWload {
 17699  			break
 17700  		}
 17701  		off := g.AuxInt
 17702  		sym := g.Aux
 17703  		ptr := g.Args[0]
 17704  		mem := g.Args[1]
 17705  		x := v.Args[1]
 17706  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 17707  			break
 17708  		}
 17709  		v.reset(OpS390XXORWload)
 17710  		v.Type = t
 17711  		v.AuxInt = off
 17712  		v.Aux = sym
 17713  		v.AddArg(x)
 17714  		v.AddArg(ptr)
 17715  		v.AddArg(mem)
 17716  		return true
 17717  	}
 17718  	// match: (XORW <t> x g:(MOVWZload [off] {sym} ptr mem))
 17719  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 17720  	// result: (XORWload <t> [off] {sym} x ptr mem)
 17721  	for {
 17722  		t := v.Type
 17723  		x := v.Args[0]
 17724  		g := v.Args[1]
 17725  		if g.Op != OpS390XMOVWZload {
 17726  			break
 17727  		}
 17728  		off := g.AuxInt
 17729  		sym := g.Aux
 17730  		ptr := g.Args[0]
 17731  		mem := g.Args[1]
 17732  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 17733  			break
 17734  		}
 17735  		v.reset(OpS390XXORWload)
 17736  		v.Type = t
 17737  		v.AuxInt = off
 17738  		v.Aux = sym
 17739  		v.AddArg(x)
 17740  		v.AddArg(ptr)
 17741  		v.AddArg(mem)
 17742  		return true
 17743  	}
 17744  	// match: (XORW <t> g:(MOVWZload [off] {sym} ptr mem) x)
 17745  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 17746  	// result: (XORWload <t> [off] {sym} x ptr mem)
 17747  	for {
 17748  		t := v.Type
 17749  		g := v.Args[0]
 17750  		if g.Op != OpS390XMOVWZload {
 17751  			break
 17752  		}
 17753  		off := g.AuxInt
 17754  		sym := g.Aux
 17755  		ptr := g.Args[0]
 17756  		mem := g.Args[1]
 17757  		x := v.Args[1]
 17758  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 17759  			break
 17760  		}
 17761  		v.reset(OpS390XXORWload)
 17762  		v.Type = t
 17763  		v.AuxInt = off
 17764  		v.Aux = sym
 17765  		v.AddArg(x)
 17766  		v.AddArg(ptr)
 17767  		v.AddArg(mem)
 17768  		return true
 17769  	}
 17770  	return false
 17771  }
 17772  func rewriteValueS390X_OpS390XXORWconst(v *Value, config *Config) bool {
 17773  	b := v.Block
 17774  	_ = b
 17775  	// match: (XORWconst [c] x)
 17776  	// cond: int32(c)==0
 17777  	// result: x
 17778  	for {
 17779  		c := v.AuxInt
 17780  		x := v.Args[0]
 17781  		if !(int32(c) == 0) {
 17782  			break
 17783  		}
 17784  		v.reset(OpCopy)
 17785  		v.Type = x.Type
 17786  		v.AddArg(x)
 17787  		return true
 17788  	}
 17789  	// match: (XORWconst [c] (MOVDconst [d]))
 17790  	// cond:
 17791  	// result: (MOVDconst [c^d])
 17792  	for {
 17793  		c := v.AuxInt
 17794  		v_0 := v.Args[0]
 17795  		if v_0.Op != OpS390XMOVDconst {
 17796  			break
 17797  		}
 17798  		d := v_0.AuxInt
 17799  		v.reset(OpS390XMOVDconst)
 17800  		v.AuxInt = c ^ d
 17801  		return true
 17802  	}
 17803  	return false
 17804  }
 17805  func rewriteValueS390X_OpS390XXORconst(v *Value, config *Config) bool {
 17806  	b := v.Block
 17807  	_ = b
 17808  	// match: (XORconst [0] x)
 17809  	// cond:
 17810  	// result: x
 17811  	for {
 17812  		if v.AuxInt != 0 {
 17813  			break
 17814  		}
 17815  		x := v.Args[0]
 17816  		v.reset(OpCopy)
 17817  		v.Type = x.Type
 17818  		v.AddArg(x)
 17819  		return true
 17820  	}
 17821  	// match: (XORconst [c] (MOVDconst [d]))
 17822  	// cond:
 17823  	// result: (MOVDconst [c^d])
 17824  	for {
 17825  		c := v.AuxInt
 17826  		v_0 := v.Args[0]
 17827  		if v_0.Op != OpS390XMOVDconst {
 17828  			break
 17829  		}
 17830  		d := v_0.AuxInt
 17831  		v.reset(OpS390XMOVDconst)
 17832  		v.AuxInt = c ^ d
 17833  		return true
 17834  	}
 17835  	return false
 17836  }
 17837  func rewriteValueS390X_OpSelect0(v *Value, config *Config) bool {
 17838  	b := v.Block
 17839  	_ = b
 17840  	// match: (Select0 <t> (AddTupleFirst32 tuple val))
 17841  	// cond:
 17842  	// result: (ADDW val (Select0 <t> tuple))
 17843  	for {
 17844  		t := v.Type
 17845  		v_0 := v.Args[0]
 17846  		if v_0.Op != OpS390XAddTupleFirst32 {
 17847  			break
 17848  		}
 17849  		tuple := v_0.Args[0]
 17850  		val := v_0.Args[1]
 17851  		v.reset(OpS390XADDW)
 17852  		v.AddArg(val)
 17853  		v0 := b.NewValue0(v.Pos, OpSelect0, t)
 17854  		v0.AddArg(tuple)
 17855  		v.AddArg(v0)
 17856  		return true
 17857  	}
 17858  	// match: (Select0 <t> (AddTupleFirst64 tuple val))
 17859  	// cond:
 17860  	// result: (ADD val (Select0 <t> tuple))
 17861  	for {
 17862  		t := v.Type
 17863  		v_0 := v.Args[0]
 17864  		if v_0.Op != OpS390XAddTupleFirst64 {
 17865  			break
 17866  		}
 17867  		tuple := v_0.Args[0]
 17868  		val := v_0.Args[1]
 17869  		v.reset(OpS390XADD)
 17870  		v.AddArg(val)
 17871  		v0 := b.NewValue0(v.Pos, OpSelect0, t)
 17872  		v0.AddArg(tuple)
 17873  		v.AddArg(v0)
 17874  		return true
 17875  	}
 17876  	return false
 17877  }
 17878  func rewriteValueS390X_OpSelect1(v *Value, config *Config) bool {
 17879  	b := v.Block
 17880  	_ = b
 17881  	// match: (Select1     (AddTupleFirst32 tuple _  ))
 17882  	// cond:
 17883  	// result: (Select1 tuple)
 17884  	for {
 17885  		v_0 := v.Args[0]
 17886  		if v_0.Op != OpS390XAddTupleFirst32 {
 17887  			break
 17888  		}
 17889  		tuple := v_0.Args[0]
 17890  		v.reset(OpSelect1)
 17891  		v.AddArg(tuple)
 17892  		return true
 17893  	}
 17894  	// match: (Select1     (AddTupleFirst64 tuple _  ))
 17895  	// cond:
 17896  	// result: (Select1 tuple)
 17897  	for {
 17898  		v_0 := v.Args[0]
 17899  		if v_0.Op != OpS390XAddTupleFirst64 {
 17900  			break
 17901  		}
 17902  		tuple := v_0.Args[0]
 17903  		v.reset(OpSelect1)
 17904  		v.AddArg(tuple)
 17905  		return true
 17906  	}
 17907  	return false
 17908  }
 17909  func rewriteValueS390X_OpSignExt16to32(v *Value, config *Config) bool {
 17910  	b := v.Block
 17911  	_ = b
 17912  	// match: (SignExt16to32 x)
 17913  	// cond:
 17914  	// result: (MOVHreg x)
 17915  	for {
 17916  		x := v.Args[0]
 17917  		v.reset(OpS390XMOVHreg)
 17918  		v.AddArg(x)
 17919  		return true
 17920  	}
 17921  }
 17922  func rewriteValueS390X_OpSignExt16to64(v *Value, config *Config) bool {
 17923  	b := v.Block
 17924  	_ = b
 17925  	// match: (SignExt16to64 x)
 17926  	// cond:
 17927  	// result: (MOVHreg x)
 17928  	for {
 17929  		x := v.Args[0]
 17930  		v.reset(OpS390XMOVHreg)
 17931  		v.AddArg(x)
 17932  		return true
 17933  	}
 17934  }
 17935  func rewriteValueS390X_OpSignExt32to64(v *Value, config *Config) bool {
 17936  	b := v.Block
 17937  	_ = b
 17938  	// match: (SignExt32to64 x)
 17939  	// cond:
 17940  	// result: (MOVWreg x)
 17941  	for {
 17942  		x := v.Args[0]
 17943  		v.reset(OpS390XMOVWreg)
 17944  		v.AddArg(x)
 17945  		return true
 17946  	}
 17947  }
 17948  func rewriteValueS390X_OpSignExt8to16(v *Value, config *Config) bool {
 17949  	b := v.Block
 17950  	_ = b
 17951  	// match: (SignExt8to16  x)
 17952  	// cond:
 17953  	// result: (MOVBreg x)
 17954  	for {
 17955  		x := v.Args[0]
 17956  		v.reset(OpS390XMOVBreg)
 17957  		v.AddArg(x)
 17958  		return true
 17959  	}
 17960  }
 17961  func rewriteValueS390X_OpSignExt8to32(v *Value, config *Config) bool {
 17962  	b := v.Block
 17963  	_ = b
 17964  	// match: (SignExt8to32  x)
 17965  	// cond:
 17966  	// result: (MOVBreg x)
 17967  	for {
 17968  		x := v.Args[0]
 17969  		v.reset(OpS390XMOVBreg)
 17970  		v.AddArg(x)
 17971  		return true
 17972  	}
 17973  }
 17974  func rewriteValueS390X_OpSignExt8to64(v *Value, config *Config) bool {
 17975  	b := v.Block
 17976  	_ = b
 17977  	// match: (SignExt8to64  x)
 17978  	// cond:
 17979  	// result: (MOVBreg x)
 17980  	for {
 17981  		x := v.Args[0]
 17982  		v.reset(OpS390XMOVBreg)
 17983  		v.AddArg(x)
 17984  		return true
 17985  	}
 17986  }
 17987  func rewriteValueS390X_OpSlicemask(v *Value, config *Config) bool {
 17988  	b := v.Block
 17989  	_ = b
 17990  	// match: (Slicemask <t> x)
 17991  	// cond:
 17992  	// result: (SRADconst (NEG <t> x) [63])
 17993  	for {
 17994  		t := v.Type
 17995  		x := v.Args[0]
 17996  		v.reset(OpS390XSRADconst)
 17997  		v.AuxInt = 63
 17998  		v0 := b.NewValue0(v.Pos, OpS390XNEG, t)
 17999  		v0.AddArg(x)
 18000  		v.AddArg(v0)
 18001  		return true
 18002  	}
 18003  }
 18004  func rewriteValueS390X_OpSqrt(v *Value, config *Config) bool {
 18005  	b := v.Block
 18006  	_ = b
 18007  	// match: (Sqrt x)
 18008  	// cond:
 18009  	// result: (FSQRT x)
 18010  	for {
 18011  		x := v.Args[0]
 18012  		v.reset(OpS390XFSQRT)
 18013  		v.AddArg(x)
 18014  		return true
 18015  	}
 18016  }
 18017  func rewriteValueS390X_OpStaticCall(v *Value, config *Config) bool {
 18018  	b := v.Block
 18019  	_ = b
 18020  	// match: (StaticCall [argwid] {target} mem)
 18021  	// cond:
 18022  	// result: (CALLstatic [argwid] {target} mem)
 18023  	for {
 18024  		argwid := v.AuxInt
 18025  		target := v.Aux
 18026  		mem := v.Args[0]
 18027  		v.reset(OpS390XCALLstatic)
 18028  		v.AuxInt = argwid
 18029  		v.Aux = target
 18030  		v.AddArg(mem)
 18031  		return true
 18032  	}
 18033  }
 18034  func rewriteValueS390X_OpStore(v *Value, config *Config) bool {
 18035  	b := v.Block
 18036  	_ = b
 18037  	// match: (Store [8] ptr val mem)
 18038  	// cond: is64BitFloat(val.Type)
 18039  	// result: (FMOVDstore ptr val mem)
 18040  	for {
 18041  		if v.AuxInt != 8 {
 18042  			break
 18043  		}
 18044  		ptr := v.Args[0]
 18045  		val := v.Args[1]
 18046  		mem := v.Args[2]
 18047  		if !(is64BitFloat(val.Type)) {
 18048  			break
 18049  		}
 18050  		v.reset(OpS390XFMOVDstore)
 18051  		v.AddArg(ptr)
 18052  		v.AddArg(val)
 18053  		v.AddArg(mem)
 18054  		return true
 18055  	}
 18056  	// match: (Store [4] ptr val mem)
 18057  	// cond: is32BitFloat(val.Type)
 18058  	// result: (FMOVSstore ptr val mem)
 18059  	for {
 18060  		if v.AuxInt != 4 {
 18061  			break
 18062  		}
 18063  		ptr := v.Args[0]
 18064  		val := v.Args[1]
 18065  		mem := v.Args[2]
 18066  		if !(is32BitFloat(val.Type)) {
 18067  			break
 18068  		}
 18069  		v.reset(OpS390XFMOVSstore)
 18070  		v.AddArg(ptr)
 18071  		v.AddArg(val)
 18072  		v.AddArg(mem)
 18073  		return true
 18074  	}
 18075  	// match: (Store [8] ptr val mem)
 18076  	// cond:
 18077  	// result: (MOVDstore ptr val mem)
 18078  	for {
 18079  		if v.AuxInt != 8 {
 18080  			break
 18081  		}
 18082  		ptr := v.Args[0]
 18083  		val := v.Args[1]
 18084  		mem := v.Args[2]
 18085  		v.reset(OpS390XMOVDstore)
 18086  		v.AddArg(ptr)
 18087  		v.AddArg(val)
 18088  		v.AddArg(mem)
 18089  		return true
 18090  	}
 18091  	// match: (Store [4] ptr val mem)
 18092  	// cond:
 18093  	// result: (MOVWstore ptr val mem)
 18094  	for {
 18095  		if v.AuxInt != 4 {
 18096  			break
 18097  		}
 18098  		ptr := v.Args[0]
 18099  		val := v.Args[1]
 18100  		mem := v.Args[2]
 18101  		v.reset(OpS390XMOVWstore)
 18102  		v.AddArg(ptr)
 18103  		v.AddArg(val)
 18104  		v.AddArg(mem)
 18105  		return true
 18106  	}
 18107  	// match: (Store [2] ptr val mem)
 18108  	// cond:
 18109  	// result: (MOVHstore ptr val mem)
 18110  	for {
 18111  		if v.AuxInt != 2 {
 18112  			break
 18113  		}
 18114  		ptr := v.Args[0]
 18115  		val := v.Args[1]
 18116  		mem := v.Args[2]
 18117  		v.reset(OpS390XMOVHstore)
 18118  		v.AddArg(ptr)
 18119  		v.AddArg(val)
 18120  		v.AddArg(mem)
 18121  		return true
 18122  	}
 18123  	// match: (Store [1] ptr val mem)
 18124  	// cond:
 18125  	// result: (MOVBstore ptr val mem)
 18126  	for {
 18127  		if v.AuxInt != 1 {
 18128  			break
 18129  		}
 18130  		ptr := v.Args[0]
 18131  		val := v.Args[1]
 18132  		mem := v.Args[2]
 18133  		v.reset(OpS390XMOVBstore)
 18134  		v.AddArg(ptr)
 18135  		v.AddArg(val)
 18136  		v.AddArg(mem)
 18137  		return true
 18138  	}
 18139  	return false
 18140  }
 18141  func rewriteValueS390X_OpSub16(v *Value, config *Config) bool {
 18142  	b := v.Block
 18143  	_ = b
 18144  	// match: (Sub16  x y)
 18145  	// cond:
 18146  	// result: (SUBW  x y)
 18147  	for {
 18148  		x := v.Args[0]
 18149  		y := v.Args[1]
 18150  		v.reset(OpS390XSUBW)
 18151  		v.AddArg(x)
 18152  		v.AddArg(y)
 18153  		return true
 18154  	}
 18155  }
 18156  func rewriteValueS390X_OpSub32(v *Value, config *Config) bool {
 18157  	b := v.Block
 18158  	_ = b
 18159  	// match: (Sub32  x y)
 18160  	// cond:
 18161  	// result: (SUBW  x y)
 18162  	for {
 18163  		x := v.Args[0]
 18164  		y := v.Args[1]
 18165  		v.reset(OpS390XSUBW)
 18166  		v.AddArg(x)
 18167  		v.AddArg(y)
 18168  		return true
 18169  	}
 18170  }
 18171  func rewriteValueS390X_OpSub32F(v *Value, config *Config) bool {
 18172  	b := v.Block
 18173  	_ = b
 18174  	// match: (Sub32F x y)
 18175  	// cond:
 18176  	// result: (FSUBS x y)
 18177  	for {
 18178  		x := v.Args[0]
 18179  		y := v.Args[1]
 18180  		v.reset(OpS390XFSUBS)
 18181  		v.AddArg(x)
 18182  		v.AddArg(y)
 18183  		return true
 18184  	}
 18185  }
 18186  func rewriteValueS390X_OpSub64(v *Value, config *Config) bool {
 18187  	b := v.Block
 18188  	_ = b
 18189  	// match: (Sub64  x y)
 18190  	// cond:
 18191  	// result: (SUB  x y)
 18192  	for {
 18193  		x := v.Args[0]
 18194  		y := v.Args[1]
 18195  		v.reset(OpS390XSUB)
 18196  		v.AddArg(x)
 18197  		v.AddArg(y)
 18198  		return true
 18199  	}
 18200  }
 18201  func rewriteValueS390X_OpSub64F(v *Value, config *Config) bool {
 18202  	b := v.Block
 18203  	_ = b
 18204  	// match: (Sub64F x y)
 18205  	// cond:
 18206  	// result: (FSUB x y)
 18207  	for {
 18208  		x := v.Args[0]
 18209  		y := v.Args[1]
 18210  		v.reset(OpS390XFSUB)
 18211  		v.AddArg(x)
 18212  		v.AddArg(y)
 18213  		return true
 18214  	}
 18215  }
 18216  func rewriteValueS390X_OpSub8(v *Value, config *Config) bool {
 18217  	b := v.Block
 18218  	_ = b
 18219  	// match: (Sub8   x y)
 18220  	// cond:
 18221  	// result: (SUBW  x y)
 18222  	for {
 18223  		x := v.Args[0]
 18224  		y := v.Args[1]
 18225  		v.reset(OpS390XSUBW)
 18226  		v.AddArg(x)
 18227  		v.AddArg(y)
 18228  		return true
 18229  	}
 18230  }
 18231  func rewriteValueS390X_OpSubPtr(v *Value, config *Config) bool {
 18232  	b := v.Block
 18233  	_ = b
 18234  	// match: (SubPtr x y)
 18235  	// cond:
 18236  	// result: (SUB  x y)
 18237  	for {
 18238  		x := v.Args[0]
 18239  		y := v.Args[1]
 18240  		v.reset(OpS390XSUB)
 18241  		v.AddArg(x)
 18242  		v.AddArg(y)
 18243  		return true
 18244  	}
 18245  }
 18246  func rewriteValueS390X_OpTrunc16to8(v *Value, config *Config) bool {
 18247  	b := v.Block
 18248  	_ = b
 18249  	// match: (Trunc16to8  x)
 18250  	// cond:
 18251  	// result: x
 18252  	for {
 18253  		x := v.Args[0]
 18254  		v.reset(OpCopy)
 18255  		v.Type = x.Type
 18256  		v.AddArg(x)
 18257  		return true
 18258  	}
 18259  }
 18260  func rewriteValueS390X_OpTrunc32to16(v *Value, config *Config) bool {
 18261  	b := v.Block
 18262  	_ = b
 18263  	// match: (Trunc32to16 x)
 18264  	// cond:
 18265  	// result: x
 18266  	for {
 18267  		x := v.Args[0]
 18268  		v.reset(OpCopy)
 18269  		v.Type = x.Type
 18270  		v.AddArg(x)
 18271  		return true
 18272  	}
 18273  }
 18274  func rewriteValueS390X_OpTrunc32to8(v *Value, config *Config) bool {
 18275  	b := v.Block
 18276  	_ = b
 18277  	// match: (Trunc32to8  x)
 18278  	// cond:
 18279  	// result: x
 18280  	for {
 18281  		x := v.Args[0]
 18282  		v.reset(OpCopy)
 18283  		v.Type = x.Type
 18284  		v.AddArg(x)
 18285  		return true
 18286  	}
 18287  }
 18288  func rewriteValueS390X_OpTrunc64to16(v *Value, config *Config) bool {
 18289  	b := v.Block
 18290  	_ = b
 18291  	// match: (Trunc64to16 x)
 18292  	// cond:
 18293  	// result: x
 18294  	for {
 18295  		x := v.Args[0]
 18296  		v.reset(OpCopy)
 18297  		v.Type = x.Type
 18298  		v.AddArg(x)
 18299  		return true
 18300  	}
 18301  }
 18302  func rewriteValueS390X_OpTrunc64to32(v *Value, config *Config) bool {
 18303  	b := v.Block
 18304  	_ = b
 18305  	// match: (Trunc64to32 x)
 18306  	// cond:
 18307  	// result: x
 18308  	for {
 18309  		x := v.Args[0]
 18310  		v.reset(OpCopy)
 18311  		v.Type = x.Type
 18312  		v.AddArg(x)
 18313  		return true
 18314  	}
 18315  }
 18316  func rewriteValueS390X_OpTrunc64to8(v *Value, config *Config) bool {
 18317  	b := v.Block
 18318  	_ = b
 18319  	// match: (Trunc64to8  x)
 18320  	// cond:
 18321  	// result: x
 18322  	for {
 18323  		x := v.Args[0]
 18324  		v.reset(OpCopy)
 18325  		v.Type = x.Type
 18326  		v.AddArg(x)
 18327  		return true
 18328  	}
 18329  }
 18330  func rewriteValueS390X_OpXor16(v *Value, config *Config) bool {
 18331  	b := v.Block
 18332  	_ = b
 18333  	// match: (Xor16 x y)
 18334  	// cond:
 18335  	// result: (XORW x y)
 18336  	for {
 18337  		x := v.Args[0]
 18338  		y := v.Args[1]
 18339  		v.reset(OpS390XXORW)
 18340  		v.AddArg(x)
 18341  		v.AddArg(y)
 18342  		return true
 18343  	}
 18344  }
 18345  func rewriteValueS390X_OpXor32(v *Value, config *Config) bool {
 18346  	b := v.Block
 18347  	_ = b
 18348  	// match: (Xor32 x y)
 18349  	// cond:
 18350  	// result: (XORW x y)
 18351  	for {
 18352  		x := v.Args[0]
 18353  		y := v.Args[1]
 18354  		v.reset(OpS390XXORW)
 18355  		v.AddArg(x)
 18356  		v.AddArg(y)
 18357  		return true
 18358  	}
 18359  }
 18360  func rewriteValueS390X_OpXor64(v *Value, config *Config) bool {
 18361  	b := v.Block
 18362  	_ = b
 18363  	// match: (Xor64 x y)
 18364  	// cond:
 18365  	// result: (XOR x y)
 18366  	for {
 18367  		x := v.Args[0]
 18368  		y := v.Args[1]
 18369  		v.reset(OpS390XXOR)
 18370  		v.AddArg(x)
 18371  		v.AddArg(y)
 18372  		return true
 18373  	}
 18374  }
 18375  func rewriteValueS390X_OpXor8(v *Value, config *Config) bool {
 18376  	b := v.Block
 18377  	_ = b
 18378  	// match: (Xor8  x y)
 18379  	// cond:
 18380  	// result: (XORW x y)
 18381  	for {
 18382  		x := v.Args[0]
 18383  		y := v.Args[1]
 18384  		v.reset(OpS390XXORW)
 18385  		v.AddArg(x)
 18386  		v.AddArg(y)
 18387  		return true
 18388  	}
 18389  }
 18390  func rewriteValueS390X_OpZero(v *Value, config *Config) bool {
 18391  	b := v.Block
 18392  	_ = b
 18393  	// match: (Zero [s] _ mem)
 18394  	// cond: SizeAndAlign(s).Size() == 0
 18395  	// result: mem
 18396  	for {
 18397  		s := v.AuxInt
 18398  		mem := v.Args[1]
 18399  		if !(SizeAndAlign(s).Size() == 0) {
 18400  			break
 18401  		}
 18402  		v.reset(OpCopy)
 18403  		v.Type = mem.Type
 18404  		v.AddArg(mem)
 18405  		return true
 18406  	}
 18407  	// match: (Zero [s] destptr mem)
 18408  	// cond: SizeAndAlign(s).Size() == 1
 18409  	// result: (MOVBstoreconst [0] destptr mem)
 18410  	for {
 18411  		s := v.AuxInt
 18412  		destptr := v.Args[0]
 18413  		mem := v.Args[1]
 18414  		if !(SizeAndAlign(s).Size() == 1) {
 18415  			break
 18416  		}
 18417  		v.reset(OpS390XMOVBstoreconst)
 18418  		v.AuxInt = 0
 18419  		v.AddArg(destptr)
 18420  		v.AddArg(mem)
 18421  		return true
 18422  	}
 18423  	// match: (Zero [s] destptr mem)
 18424  	// cond: SizeAndAlign(s).Size() == 2
 18425  	// result: (MOVHstoreconst [0] destptr mem)
 18426  	for {
 18427  		s := v.AuxInt
 18428  		destptr := v.Args[0]
 18429  		mem := v.Args[1]
 18430  		if !(SizeAndAlign(s).Size() == 2) {
 18431  			break
 18432  		}
 18433  		v.reset(OpS390XMOVHstoreconst)
 18434  		v.AuxInt = 0
 18435  		v.AddArg(destptr)
 18436  		v.AddArg(mem)
 18437  		return true
 18438  	}
 18439  	// match: (Zero [s] destptr mem)
 18440  	// cond: SizeAndAlign(s).Size() == 4
 18441  	// result: (MOVWstoreconst [0] destptr mem)
 18442  	for {
 18443  		s := v.AuxInt
 18444  		destptr := v.Args[0]
 18445  		mem := v.Args[1]
 18446  		if !(SizeAndAlign(s).Size() == 4) {
 18447  			break
 18448  		}
 18449  		v.reset(OpS390XMOVWstoreconst)
 18450  		v.AuxInt = 0
 18451  		v.AddArg(destptr)
 18452  		v.AddArg(mem)
 18453  		return true
 18454  	}
 18455  	// match: (Zero [s] destptr mem)
 18456  	// cond: SizeAndAlign(s).Size() == 8
 18457  	// result: (MOVDstoreconst [0] destptr mem)
 18458  	for {
 18459  		s := v.AuxInt
 18460  		destptr := v.Args[0]
 18461  		mem := v.Args[1]
 18462  		if !(SizeAndAlign(s).Size() == 8) {
 18463  			break
 18464  		}
 18465  		v.reset(OpS390XMOVDstoreconst)
 18466  		v.AuxInt = 0
 18467  		v.AddArg(destptr)
 18468  		v.AddArg(mem)
 18469  		return true
 18470  	}
 18471  	// match: (Zero [s] destptr mem)
 18472  	// cond: SizeAndAlign(s).Size() == 3
 18473  	// result: (MOVBstoreconst [makeValAndOff(0,2)] destptr 		(MOVHstoreconst [0] destptr mem))
 18474  	for {
 18475  		s := v.AuxInt
 18476  		destptr := v.Args[0]
 18477  		mem := v.Args[1]
 18478  		if !(SizeAndAlign(s).Size() == 3) {
 18479  			break
 18480  		}
 18481  		v.reset(OpS390XMOVBstoreconst)
 18482  		v.AuxInt = makeValAndOff(0, 2)
 18483  		v.AddArg(destptr)
 18484  		v0 := b.NewValue0(v.Pos, OpS390XMOVHstoreconst, TypeMem)
 18485  		v0.AuxInt = 0
 18486  		v0.AddArg(destptr)
 18487  		v0.AddArg(mem)
 18488  		v.AddArg(v0)
 18489  		return true
 18490  	}
 18491  	// match: (Zero [s] destptr mem)
 18492  	// cond: SizeAndAlign(s).Size() == 5
 18493  	// result: (MOVBstoreconst [makeValAndOff(0,4)] destptr 		(MOVWstoreconst [0] destptr mem))
 18494  	for {
 18495  		s := v.AuxInt
 18496  		destptr := v.Args[0]
 18497  		mem := v.Args[1]
 18498  		if !(SizeAndAlign(s).Size() == 5) {
 18499  			break
 18500  		}
 18501  		v.reset(OpS390XMOVBstoreconst)
 18502  		v.AuxInt = makeValAndOff(0, 4)
 18503  		v.AddArg(destptr)
 18504  		v0 := b.NewValue0(v.Pos, OpS390XMOVWstoreconst, TypeMem)
 18505  		v0.AuxInt = 0
 18506  		v0.AddArg(destptr)
 18507  		v0.AddArg(mem)
 18508  		v.AddArg(v0)
 18509  		return true
 18510  	}
 18511  	// match: (Zero [s] destptr mem)
 18512  	// cond: SizeAndAlign(s).Size() == 6
 18513  	// result: (MOVHstoreconst [makeValAndOff(0,4)] destptr 		(MOVWstoreconst [0] destptr mem))
 18514  	for {
 18515  		s := v.AuxInt
 18516  		destptr := v.Args[0]
 18517  		mem := v.Args[1]
 18518  		if !(SizeAndAlign(s).Size() == 6) {
 18519  			break
 18520  		}
 18521  		v.reset(OpS390XMOVHstoreconst)
 18522  		v.AuxInt = makeValAndOff(0, 4)
 18523  		v.AddArg(destptr)
 18524  		v0 := b.NewValue0(v.Pos, OpS390XMOVWstoreconst, TypeMem)
 18525  		v0.AuxInt = 0
 18526  		v0.AddArg(destptr)
 18527  		v0.AddArg(mem)
 18528  		v.AddArg(v0)
 18529  		return true
 18530  	}
 18531  	// match: (Zero [s] destptr mem)
 18532  	// cond: SizeAndAlign(s).Size() == 7
 18533  	// result: (MOVWstoreconst [makeValAndOff(0,3)] destptr 		(MOVWstoreconst [0] destptr mem))
 18534  	for {
 18535  		s := v.AuxInt
 18536  		destptr := v.Args[0]
 18537  		mem := v.Args[1]
 18538  		if !(SizeAndAlign(s).Size() == 7) {
 18539  			break
 18540  		}
 18541  		v.reset(OpS390XMOVWstoreconst)
 18542  		v.AuxInt = makeValAndOff(0, 3)
 18543  		v.AddArg(destptr)
 18544  		v0 := b.NewValue0(v.Pos, OpS390XMOVWstoreconst, TypeMem)
 18545  		v0.AuxInt = 0
 18546  		v0.AddArg(destptr)
 18547  		v0.AddArg(mem)
 18548  		v.AddArg(v0)
 18549  		return true
 18550  	}
 18551  	// match: (Zero [s] destptr mem)
 18552  	// cond: SizeAndAlign(s).Size() > 0 && SizeAndAlign(s).Size() <= 1024
 18553  	// result: (CLEAR [makeValAndOff(SizeAndAlign(s).Size(), 0)] destptr mem)
 18554  	for {
 18555  		s := v.AuxInt
 18556  		destptr := v.Args[0]
 18557  		mem := v.Args[1]
 18558  		if !(SizeAndAlign(s).Size() > 0 && SizeAndAlign(s).Size() <= 1024) {
 18559  			break
 18560  		}
 18561  		v.reset(OpS390XCLEAR)
 18562  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size(), 0)
 18563  		v.AddArg(destptr)
 18564  		v.AddArg(mem)
 18565  		return true
 18566  	}
 18567  	// match: (Zero [s] destptr mem)
 18568  	// cond: SizeAndAlign(s).Size() > 1024
 18569  	// result: (LoweredZero [SizeAndAlign(s).Size()%256] destptr (ADDconst <destptr.Type> destptr [(SizeAndAlign(s).Size()/256)*256]) mem)
 18570  	for {
 18571  		s := v.AuxInt
 18572  		destptr := v.Args[0]
 18573  		mem := v.Args[1]
 18574  		if !(SizeAndAlign(s).Size() > 1024) {
 18575  			break
 18576  		}
 18577  		v.reset(OpS390XLoweredZero)
 18578  		v.AuxInt = SizeAndAlign(s).Size() % 256
 18579  		v.AddArg(destptr)
 18580  		v0 := b.NewValue0(v.Pos, OpS390XADDconst, destptr.Type)
 18581  		v0.AuxInt = (SizeAndAlign(s).Size() / 256) * 256
 18582  		v0.AddArg(destptr)
 18583  		v.AddArg(v0)
 18584  		v.AddArg(mem)
 18585  		return true
 18586  	}
 18587  	return false
 18588  }
 18589  func rewriteValueS390X_OpZeroExt16to32(v *Value, config *Config) bool {
 18590  	b := v.Block
 18591  	_ = b
 18592  	// match: (ZeroExt16to32 x)
 18593  	// cond:
 18594  	// result: (MOVHZreg x)
 18595  	for {
 18596  		x := v.Args[0]
 18597  		v.reset(OpS390XMOVHZreg)
 18598  		v.AddArg(x)
 18599  		return true
 18600  	}
 18601  }
 18602  func rewriteValueS390X_OpZeroExt16to64(v *Value, config *Config) bool {
 18603  	b := v.Block
 18604  	_ = b
 18605  	// match: (ZeroExt16to64 x)
 18606  	// cond:
 18607  	// result: (MOVHZreg x)
 18608  	for {
 18609  		x := v.Args[0]
 18610  		v.reset(OpS390XMOVHZreg)
 18611  		v.AddArg(x)
 18612  		return true
 18613  	}
 18614  }
 18615  func rewriteValueS390X_OpZeroExt32to64(v *Value, config *Config) bool {
 18616  	b := v.Block
 18617  	_ = b
 18618  	// match: (ZeroExt32to64 x)
 18619  	// cond:
 18620  	// result: (MOVWZreg x)
 18621  	for {
 18622  		x := v.Args[0]
 18623  		v.reset(OpS390XMOVWZreg)
 18624  		v.AddArg(x)
 18625  		return true
 18626  	}
 18627  }
 18628  func rewriteValueS390X_OpZeroExt8to16(v *Value, config *Config) bool {
 18629  	b := v.Block
 18630  	_ = b
 18631  	// match: (ZeroExt8to16  x)
 18632  	// cond:
 18633  	// result: (MOVBZreg x)
 18634  	for {
 18635  		x := v.Args[0]
 18636  		v.reset(OpS390XMOVBZreg)
 18637  		v.AddArg(x)
 18638  		return true
 18639  	}
 18640  }
 18641  func rewriteValueS390X_OpZeroExt8to32(v *Value, config *Config) bool {
 18642  	b := v.Block
 18643  	_ = b
 18644  	// match: (ZeroExt8to32  x)
 18645  	// cond:
 18646  	// result: (MOVBZreg x)
 18647  	for {
 18648  		x := v.Args[0]
 18649  		v.reset(OpS390XMOVBZreg)
 18650  		v.AddArg(x)
 18651  		return true
 18652  	}
 18653  }
 18654  func rewriteValueS390X_OpZeroExt8to64(v *Value, config *Config) bool {
 18655  	b := v.Block
 18656  	_ = b
 18657  	// match: (ZeroExt8to64  x)
 18658  	// cond:
 18659  	// result: (MOVBZreg x)
 18660  	for {
 18661  		x := v.Args[0]
 18662  		v.reset(OpS390XMOVBZreg)
 18663  		v.AddArg(x)
 18664  		return true
 18665  	}
 18666  }
 18667  func rewriteBlockS390X(b *Block, config *Config) bool {
 18668  	switch b.Kind {
 18669  	case BlockS390XEQ:
 18670  		// match: (EQ (InvertFlags cmp) yes no)
 18671  		// cond:
 18672  		// result: (EQ cmp yes no)
 18673  		for {
 18674  			v := b.Control
 18675  			if v.Op != OpS390XInvertFlags {
 18676  				break
 18677  			}
 18678  			cmp := v.Args[0]
 18679  			yes := b.Succs[0]
 18680  			no := b.Succs[1]
 18681  			b.Kind = BlockS390XEQ
 18682  			b.SetControl(cmp)
 18683  			_ = yes
 18684  			_ = no
 18685  			return true
 18686  		}
 18687  		// match: (EQ (FlagEQ) yes no)
 18688  		// cond:
 18689  		// result: (First nil yes no)
 18690  		for {
 18691  			v := b.Control
 18692  			if v.Op != OpS390XFlagEQ {
 18693  				break
 18694  			}
 18695  			yes := b.Succs[0]
 18696  			no := b.Succs[1]
 18697  			b.Kind = BlockFirst
 18698  			b.SetControl(nil)
 18699  			_ = yes
 18700  			_ = no
 18701  			return true
 18702  		}
 18703  		// match: (EQ (FlagLT) yes no)
 18704  		// cond:
 18705  		// result: (First nil no yes)
 18706  		for {
 18707  			v := b.Control
 18708  			if v.Op != OpS390XFlagLT {
 18709  				break
 18710  			}
 18711  			yes := b.Succs[0]
 18712  			no := b.Succs[1]
 18713  			b.Kind = BlockFirst
 18714  			b.SetControl(nil)
 18715  			b.swapSuccessors()
 18716  			_ = no
 18717  			_ = yes
 18718  			return true
 18719  		}
 18720  		// match: (EQ (FlagGT) yes no)
 18721  		// cond:
 18722  		// result: (First nil no yes)
 18723  		for {
 18724  			v := b.Control
 18725  			if v.Op != OpS390XFlagGT {
 18726  				break
 18727  			}
 18728  			yes := b.Succs[0]
 18729  			no := b.Succs[1]
 18730  			b.Kind = BlockFirst
 18731  			b.SetControl(nil)
 18732  			b.swapSuccessors()
 18733  			_ = no
 18734  			_ = yes
 18735  			return true
 18736  		}
 18737  	case BlockS390XGE:
 18738  		// match: (GE (InvertFlags cmp) yes no)
 18739  		// cond:
 18740  		// result: (LE cmp yes no)
 18741  		for {
 18742  			v := b.Control
 18743  			if v.Op != OpS390XInvertFlags {
 18744  				break
 18745  			}
 18746  			cmp := v.Args[0]
 18747  			yes := b.Succs[0]
 18748  			no := b.Succs[1]
 18749  			b.Kind = BlockS390XLE
 18750  			b.SetControl(cmp)
 18751  			_ = yes
 18752  			_ = no
 18753  			return true
 18754  		}
 18755  		// match: (GE (FlagEQ) yes no)
 18756  		// cond:
 18757  		// result: (First nil yes no)
 18758  		for {
 18759  			v := b.Control
 18760  			if v.Op != OpS390XFlagEQ {
 18761  				break
 18762  			}
 18763  			yes := b.Succs[0]
 18764  			no := b.Succs[1]
 18765  			b.Kind = BlockFirst
 18766  			b.SetControl(nil)
 18767  			_ = yes
 18768  			_ = no
 18769  			return true
 18770  		}
 18771  		// match: (GE (FlagLT) yes no)
 18772  		// cond:
 18773  		// result: (First nil no yes)
 18774  		for {
 18775  			v := b.Control
 18776  			if v.Op != OpS390XFlagLT {
 18777  				break
 18778  			}
 18779  			yes := b.Succs[0]
 18780  			no := b.Succs[1]
 18781  			b.Kind = BlockFirst
 18782  			b.SetControl(nil)
 18783  			b.swapSuccessors()
 18784  			_ = no
 18785  			_ = yes
 18786  			return true
 18787  		}
 18788  		// match: (GE (FlagGT) yes no)
 18789  		// cond:
 18790  		// result: (First nil yes no)
 18791  		for {
 18792  			v := b.Control
 18793  			if v.Op != OpS390XFlagGT {
 18794  				break
 18795  			}
 18796  			yes := b.Succs[0]
 18797  			no := b.Succs[1]
 18798  			b.Kind = BlockFirst
 18799  			b.SetControl(nil)
 18800  			_ = yes
 18801  			_ = no
 18802  			return true
 18803  		}
 18804  	case BlockS390XGT:
 18805  		// match: (GT (InvertFlags cmp) yes no)
 18806  		// cond:
 18807  		// result: (LT cmp yes no)
 18808  		for {
 18809  			v := b.Control
 18810  			if v.Op != OpS390XInvertFlags {
 18811  				break
 18812  			}
 18813  			cmp := v.Args[0]
 18814  			yes := b.Succs[0]
 18815  			no := b.Succs[1]
 18816  			b.Kind = BlockS390XLT
 18817  			b.SetControl(cmp)
 18818  			_ = yes
 18819  			_ = no
 18820  			return true
 18821  		}
 18822  		// match: (GT (FlagEQ) yes no)
 18823  		// cond:
 18824  		// result: (First nil no yes)
 18825  		for {
 18826  			v := b.Control
 18827  			if v.Op != OpS390XFlagEQ {
 18828  				break
 18829  			}
 18830  			yes := b.Succs[0]
 18831  			no := b.Succs[1]
 18832  			b.Kind = BlockFirst
 18833  			b.SetControl(nil)
 18834  			b.swapSuccessors()
 18835  			_ = no
 18836  			_ = yes
 18837  			return true
 18838  		}
 18839  		// match: (GT (FlagLT) yes no)
 18840  		// cond:
 18841  		// result: (First nil no yes)
 18842  		for {
 18843  			v := b.Control
 18844  			if v.Op != OpS390XFlagLT {
 18845  				break
 18846  			}
 18847  			yes := b.Succs[0]
 18848  			no := b.Succs[1]
 18849  			b.Kind = BlockFirst
 18850  			b.SetControl(nil)
 18851  			b.swapSuccessors()
 18852  			_ = no
 18853  			_ = yes
 18854  			return true
 18855  		}
 18856  		// match: (GT (FlagGT) yes no)
 18857  		// cond:
 18858  		// result: (First nil yes no)
 18859  		for {
 18860  			v := b.Control
 18861  			if v.Op != OpS390XFlagGT {
 18862  				break
 18863  			}
 18864  			yes := b.Succs[0]
 18865  			no := b.Succs[1]
 18866  			b.Kind = BlockFirst
 18867  			b.SetControl(nil)
 18868  			_ = yes
 18869  			_ = no
 18870  			return true
 18871  		}
 18872  	case BlockIf:
 18873  		// match: (If (MOVDLT (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18874  		// cond:
 18875  		// result: (LT cmp yes no)
 18876  		for {
 18877  			v := b.Control
 18878  			if v.Op != OpS390XMOVDLT {
 18879  				break
 18880  			}
 18881  			v_0 := v.Args[0]
 18882  			if v_0.Op != OpS390XMOVDconst {
 18883  				break
 18884  			}
 18885  			if v_0.AuxInt != 0 {
 18886  				break
 18887  			}
 18888  			v_1 := v.Args[1]
 18889  			if v_1.Op != OpS390XMOVDconst {
 18890  				break
 18891  			}
 18892  			if v_1.AuxInt != 1 {
 18893  				break
 18894  			}
 18895  			cmp := v.Args[2]
 18896  			yes := b.Succs[0]
 18897  			no := b.Succs[1]
 18898  			b.Kind = BlockS390XLT
 18899  			b.SetControl(cmp)
 18900  			_ = yes
 18901  			_ = no
 18902  			return true
 18903  		}
 18904  		// match: (If (MOVDLE (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18905  		// cond:
 18906  		// result: (LE cmp yes no)
 18907  		for {
 18908  			v := b.Control
 18909  			if v.Op != OpS390XMOVDLE {
 18910  				break
 18911  			}
 18912  			v_0 := v.Args[0]
 18913  			if v_0.Op != OpS390XMOVDconst {
 18914  				break
 18915  			}
 18916  			if v_0.AuxInt != 0 {
 18917  				break
 18918  			}
 18919  			v_1 := v.Args[1]
 18920  			if v_1.Op != OpS390XMOVDconst {
 18921  				break
 18922  			}
 18923  			if v_1.AuxInt != 1 {
 18924  				break
 18925  			}
 18926  			cmp := v.Args[2]
 18927  			yes := b.Succs[0]
 18928  			no := b.Succs[1]
 18929  			b.Kind = BlockS390XLE
 18930  			b.SetControl(cmp)
 18931  			_ = yes
 18932  			_ = no
 18933  			return true
 18934  		}
 18935  		// match: (If (MOVDGT (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18936  		// cond:
 18937  		// result: (GT cmp yes no)
 18938  		for {
 18939  			v := b.Control
 18940  			if v.Op != OpS390XMOVDGT {
 18941  				break
 18942  			}
 18943  			v_0 := v.Args[0]
 18944  			if v_0.Op != OpS390XMOVDconst {
 18945  				break
 18946  			}
 18947  			if v_0.AuxInt != 0 {
 18948  				break
 18949  			}
 18950  			v_1 := v.Args[1]
 18951  			if v_1.Op != OpS390XMOVDconst {
 18952  				break
 18953  			}
 18954  			if v_1.AuxInt != 1 {
 18955  				break
 18956  			}
 18957  			cmp := v.Args[2]
 18958  			yes := b.Succs[0]
 18959  			no := b.Succs[1]
 18960  			b.Kind = BlockS390XGT
 18961  			b.SetControl(cmp)
 18962  			_ = yes
 18963  			_ = no
 18964  			return true
 18965  		}
 18966  		// match: (If (MOVDGE (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18967  		// cond:
 18968  		// result: (GE cmp yes no)
 18969  		for {
 18970  			v := b.Control
 18971  			if v.Op != OpS390XMOVDGE {
 18972  				break
 18973  			}
 18974  			v_0 := v.Args[0]
 18975  			if v_0.Op != OpS390XMOVDconst {
 18976  				break
 18977  			}
 18978  			if v_0.AuxInt != 0 {
 18979  				break
 18980  			}
 18981  			v_1 := v.Args[1]
 18982  			if v_1.Op != OpS390XMOVDconst {
 18983  				break
 18984  			}
 18985  			if v_1.AuxInt != 1 {
 18986  				break
 18987  			}
 18988  			cmp := v.Args[2]
 18989  			yes := b.Succs[0]
 18990  			no := b.Succs[1]
 18991  			b.Kind = BlockS390XGE
 18992  			b.SetControl(cmp)
 18993  			_ = yes
 18994  			_ = no
 18995  			return true
 18996  		}
 18997  		// match: (If (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18998  		// cond:
 18999  		// result: (EQ cmp yes no)
 19000  		for {
 19001  			v := b.Control
 19002  			if v.Op != OpS390XMOVDEQ {
 19003  				break
 19004  			}
 19005  			v_0 := v.Args[0]
 19006  			if v_0.Op != OpS390XMOVDconst {
 19007  				break
 19008  			}
 19009  			if v_0.AuxInt != 0 {
 19010  				break
 19011  			}
 19012  			v_1 := v.Args[1]
 19013  			if v_1.Op != OpS390XMOVDconst {
 19014  				break
 19015  			}
 19016  			if v_1.AuxInt != 1 {
 19017  				break
 19018  			}
 19019  			cmp := v.Args[2]
 19020  			yes := b.Succs[0]
 19021  			no := b.Succs[1]
 19022  			b.Kind = BlockS390XEQ
 19023  			b.SetControl(cmp)
 19024  			_ = yes
 19025  			_ = no
 19026  			return true
 19027  		}
 19028  		// match: (If (MOVDNE (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 19029  		// cond:
 19030  		// result: (NE cmp yes no)
 19031  		for {
 19032  			v := b.Control
 19033  			if v.Op != OpS390XMOVDNE {
 19034  				break
 19035  			}
 19036  			v_0 := v.Args[0]
 19037  			if v_0.Op != OpS390XMOVDconst {
 19038  				break
 19039  			}
 19040  			if v_0.AuxInt != 0 {
 19041  				break
 19042  			}
 19043  			v_1 := v.Args[1]
 19044  			if v_1.Op != OpS390XMOVDconst {
 19045  				break
 19046  			}
 19047  			if v_1.AuxInt != 1 {
 19048  				break
 19049  			}
 19050  			cmp := v.Args[2]
 19051  			yes := b.Succs[0]
 19052  			no := b.Succs[1]
 19053  			b.Kind = BlockS390XNE
 19054  			b.SetControl(cmp)
 19055  			_ = yes
 19056  			_ = no
 19057  			return true
 19058  		}
 19059  		// match: (If (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 19060  		// cond:
 19061  		// result: (GTF cmp yes no)
 19062  		for {
 19063  			v := b.Control
 19064  			if v.Op != OpS390XMOVDGTnoinv {
 19065  				break
 19066  			}
 19067  			v_0 := v.Args[0]
 19068  			if v_0.Op != OpS390XMOVDconst {
 19069  				break
 19070  			}
 19071  			if v_0.AuxInt != 0 {
 19072  				break
 19073  			}
 19074  			v_1 := v.Args[1]
 19075  			if v_1.Op != OpS390XMOVDconst {
 19076  				break
 19077  			}
 19078  			if v_1.AuxInt != 1 {
 19079  				break
 19080  			}
 19081  			cmp := v.Args[2]
 19082  			yes := b.Succs[0]
 19083  			no := b.Succs[1]
 19084  			b.Kind = BlockS390XGTF
 19085  			b.SetControl(cmp)
 19086  			_ = yes
 19087  			_ = no
 19088  			return true
 19089  		}
 19090  		// match: (If (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 19091  		// cond:
 19092  		// result: (GEF cmp yes no)
 19093  		for {
 19094  			v := b.Control
 19095  			if v.Op != OpS390XMOVDGEnoinv {
 19096  				break
 19097  			}
 19098  			v_0 := v.Args[0]
 19099  			if v_0.Op != OpS390XMOVDconst {
 19100  				break
 19101  			}
 19102  			if v_0.AuxInt != 0 {
 19103  				break
 19104  			}
 19105  			v_1 := v.Args[1]
 19106  			if v_1.Op != OpS390XMOVDconst {
 19107  				break
 19108  			}
 19109  			if v_1.AuxInt != 1 {
 19110  				break
 19111  			}
 19112  			cmp := v.Args[2]
 19113  			yes := b.Succs[0]
 19114  			no := b.Succs[1]
 19115  			b.Kind = BlockS390XGEF
 19116  			b.SetControl(cmp)
 19117  			_ = yes
 19118  			_ = no
 19119  			return true
 19120  		}
 19121  		// match: (If cond yes no)
 19122  		// cond:
 19123  		// result: (NE (CMPWconst [0] (MOVBZreg cond)) yes no)
 19124  		for {
 19125  			v := b.Control
 19126  			_ = v
 19127  			cond := b.Control
 19128  			yes := b.Succs[0]
 19129  			no := b.Succs[1]
 19130  			b.Kind = BlockS390XNE
 19131  			v0 := b.NewValue0(v.Pos, OpS390XCMPWconst, TypeFlags)
 19132  			v0.AuxInt = 0
 19133  			v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
 19134  			v1.AddArg(cond)
 19135  			v0.AddArg(v1)
 19136  			b.SetControl(v0)
 19137  			_ = yes
 19138  			_ = no
 19139  			return true
 19140  		}
 19141  	case BlockS390XLE:
 19142  		// match: (LE (InvertFlags cmp) yes no)
 19143  		// cond:
 19144  		// result: (GE cmp yes no)
 19145  		for {
 19146  			v := b.Control
 19147  			if v.Op != OpS390XInvertFlags {
 19148  				break
 19149  			}
 19150  			cmp := v.Args[0]
 19151  			yes := b.Succs[0]
 19152  			no := b.Succs[1]
 19153  			b.Kind = BlockS390XGE
 19154  			b.SetControl(cmp)
 19155  			_ = yes
 19156  			_ = no
 19157  			return true
 19158  		}
 19159  		// match: (LE (FlagEQ) yes no)
 19160  		// cond:
 19161  		// result: (First nil yes no)
 19162  		for {
 19163  			v := b.Control
 19164  			if v.Op != OpS390XFlagEQ {
 19165  				break
 19166  			}
 19167  			yes := b.Succs[0]
 19168  			no := b.Succs[1]
 19169  			b.Kind = BlockFirst
 19170  			b.SetControl(nil)
 19171  			_ = yes
 19172  			_ = no
 19173  			return true
 19174  		}
 19175  		// match: (LE (FlagLT) yes no)
 19176  		// cond:
 19177  		// result: (First nil yes no)
 19178  		for {
 19179  			v := b.Control
 19180  			if v.Op != OpS390XFlagLT {
 19181  				break
 19182  			}
 19183  			yes := b.Succs[0]
 19184  			no := b.Succs[1]
 19185  			b.Kind = BlockFirst
 19186  			b.SetControl(nil)
 19187  			_ = yes
 19188  			_ = no
 19189  			return true
 19190  		}
 19191  		// match: (LE (FlagGT) yes no)
 19192  		// cond:
 19193  		// result: (First nil no yes)
 19194  		for {
 19195  			v := b.Control
 19196  			if v.Op != OpS390XFlagGT {
 19197  				break
 19198  			}
 19199  			yes := b.Succs[0]
 19200  			no := b.Succs[1]
 19201  			b.Kind = BlockFirst
 19202  			b.SetControl(nil)
 19203  			b.swapSuccessors()
 19204  			_ = no
 19205  			_ = yes
 19206  			return true
 19207  		}
 19208  	case BlockS390XLT:
 19209  		// match: (LT (InvertFlags cmp) yes no)
 19210  		// cond:
 19211  		// result: (GT cmp yes no)
 19212  		for {
 19213  			v := b.Control
 19214  			if v.Op != OpS390XInvertFlags {
 19215  				break
 19216  			}
 19217  			cmp := v.Args[0]
 19218  			yes := b.Succs[0]
 19219  			no := b.Succs[1]
 19220  			b.Kind = BlockS390XGT
 19221  			b.SetControl(cmp)
 19222  			_ = yes
 19223  			_ = no
 19224  			return true
 19225  		}
 19226  		// match: (LT (FlagEQ) yes no)
 19227  		// cond:
 19228  		// result: (First nil no yes)
 19229  		for {
 19230  			v := b.Control
 19231  			if v.Op != OpS390XFlagEQ {
 19232  				break
 19233  			}
 19234  			yes := b.Succs[0]
 19235  			no := b.Succs[1]
 19236  			b.Kind = BlockFirst
 19237  			b.SetControl(nil)
 19238  			b.swapSuccessors()
 19239  			_ = no
 19240  			_ = yes
 19241  			return true
 19242  		}
 19243  		// match: (LT (FlagLT) yes no)
 19244  		// cond:
 19245  		// result: (First nil yes no)
 19246  		for {
 19247  			v := b.Control
 19248  			if v.Op != OpS390XFlagLT {
 19249  				break
 19250  			}
 19251  			yes := b.Succs[0]
 19252  			no := b.Succs[1]
 19253  			b.Kind = BlockFirst
 19254  			b.SetControl(nil)
 19255  			_ = yes
 19256  			_ = no
 19257  			return true
 19258  		}
 19259  		// match: (LT (FlagGT) yes no)
 19260  		// cond:
 19261  		// result: (First nil no yes)
 19262  		for {
 19263  			v := b.Control
 19264  			if v.Op != OpS390XFlagGT {
 19265  				break
 19266  			}
 19267  			yes := b.Succs[0]
 19268  			no := b.Succs[1]
 19269  			b.Kind = BlockFirst
 19270  			b.SetControl(nil)
 19271  			b.swapSuccessors()
 19272  			_ = no
 19273  			_ = yes
 19274  			return true
 19275  		}
 19276  	case BlockS390XNE:
 19277  		// match: (NE (CMPWconst [0] (MOVDLT (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 19278  		// cond:
 19279  		// result: (LT cmp yes no)
 19280  		for {
 19281  			v := b.Control
 19282  			if v.Op != OpS390XCMPWconst {
 19283  				break
 19284  			}
 19285  			if v.AuxInt != 0 {
 19286  				break
 19287  			}
 19288  			v_0 := v.Args[0]
 19289  			if v_0.Op != OpS390XMOVDLT {
 19290  				break
 19291  			}
 19292  			v_0_0 := v_0.Args[0]
 19293  			if v_0_0.Op != OpS390XMOVDconst {
 19294  				break
 19295  			}
 19296  			if v_0_0.AuxInt != 0 {
 19297  				break
 19298  			}
 19299  			v_0_1 := v_0.Args[1]
 19300  			if v_0_1.Op != OpS390XMOVDconst {
 19301  				break
 19302  			}
 19303  			if v_0_1.AuxInt != 1 {
 19304  				break
 19305  			}
 19306  			cmp := v_0.Args[2]
 19307  			yes := b.Succs[0]
 19308  			no := b.Succs[1]
 19309  			b.Kind = BlockS390XLT
 19310  			b.SetControl(cmp)
 19311  			_ = yes
 19312  			_ = no
 19313  			return true
 19314  		}
 19315  		// match: (NE (CMPWconst [0] (MOVDLE (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 19316  		// cond:
 19317  		// result: (LE cmp yes no)
 19318  		for {
 19319  			v := b.Control
 19320  			if v.Op != OpS390XCMPWconst {
 19321  				break
 19322  			}
 19323  			if v.AuxInt != 0 {
 19324  				break
 19325  			}
 19326  			v_0 := v.Args[0]
 19327  			if v_0.Op != OpS390XMOVDLE {
 19328  				break
 19329  			}
 19330  			v_0_0 := v_0.Args[0]
 19331  			if v_0_0.Op != OpS390XMOVDconst {
 19332  				break
 19333  			}
 19334  			if v_0_0.AuxInt != 0 {
 19335  				break
 19336  			}
 19337  			v_0_1 := v_0.Args[1]
 19338  			if v_0_1.Op != OpS390XMOVDconst {
 19339  				break
 19340  			}
 19341  			if v_0_1.AuxInt != 1 {
 19342  				break
 19343  			}
 19344  			cmp := v_0.Args[2]
 19345  			yes := b.Succs[0]
 19346  			no := b.Succs[1]
 19347  			b.Kind = BlockS390XLE
 19348  			b.SetControl(cmp)
 19349  			_ = yes
 19350  			_ = no
 19351  			return true
 19352  		}
 19353  		// match: (NE (CMPWconst [0] (MOVDGT (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 19354  		// cond:
 19355  		// result: (GT cmp yes no)
 19356  		for {
 19357  			v := b.Control
 19358  			if v.Op != OpS390XCMPWconst {
 19359  				break
 19360  			}
 19361  			if v.AuxInt != 0 {
 19362  				break
 19363  			}
 19364  			v_0 := v.Args[0]
 19365  			if v_0.Op != OpS390XMOVDGT {
 19366  				break
 19367  			}
 19368  			v_0_0 := v_0.Args[0]
 19369  			if v_0_0.Op != OpS390XMOVDconst {
 19370  				break
 19371  			}
 19372  			if v_0_0.AuxInt != 0 {
 19373  				break
 19374  			}
 19375  			v_0_1 := v_0.Args[1]
 19376  			if v_0_1.Op != OpS390XMOVDconst {
 19377  				break
 19378  			}
 19379  			if v_0_1.AuxInt != 1 {
 19380  				break
 19381  			}
 19382  			cmp := v_0.Args[2]
 19383  			yes := b.Succs[0]
 19384  			no := b.Succs[1]
 19385  			b.Kind = BlockS390XGT
 19386  			b.SetControl(cmp)
 19387  			_ = yes
 19388  			_ = no
 19389  			return true
 19390  		}
 19391  		// match: (NE (CMPWconst [0] (MOVDGE (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 19392  		// cond:
 19393  		// result: (GE cmp yes no)
 19394  		for {
 19395  			v := b.Control
 19396  			if v.Op != OpS390XCMPWconst {
 19397  				break
 19398  			}
 19399  			if v.AuxInt != 0 {
 19400  				break
 19401  			}
 19402  			v_0 := v.Args[0]
 19403  			if v_0.Op != OpS390XMOVDGE {
 19404  				break
 19405  			}
 19406  			v_0_0 := v_0.Args[0]
 19407  			if v_0_0.Op != OpS390XMOVDconst {
 19408  				break
 19409  			}
 19410  			if v_0_0.AuxInt != 0 {
 19411  				break
 19412  			}
 19413  			v_0_1 := v_0.Args[1]
 19414  			if v_0_1.Op != OpS390XMOVDconst {
 19415  				break
 19416  			}
 19417  			if v_0_1.AuxInt != 1 {
 19418  				break
 19419  			}
 19420  			cmp := v_0.Args[2]
 19421  			yes := b.Succs[0]
 19422  			no := b.Succs[1]
 19423  			b.Kind = BlockS390XGE
 19424  			b.SetControl(cmp)
 19425  			_ = yes
 19426  			_ = no
 19427  			return true
 19428  		}
 19429  		// match: (NE (CMPWconst [0] (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 19430  		// cond:
 19431  		// result: (EQ cmp yes no)
 19432  		for {
 19433  			v := b.Control
 19434  			if v.Op != OpS390XCMPWconst {
 19435  				break
 19436  			}
 19437  			if v.AuxInt != 0 {
 19438  				break
 19439  			}
 19440  			v_0 := v.Args[0]
 19441  			if v_0.Op != OpS390XMOVDEQ {
 19442  				break
 19443  			}
 19444  			v_0_0 := v_0.Args[0]
 19445  			if v_0_0.Op != OpS390XMOVDconst {
 19446  				break
 19447  			}
 19448  			if v_0_0.AuxInt != 0 {
 19449  				break
 19450  			}
 19451  			v_0_1 := v_0.Args[1]
 19452  			if v_0_1.Op != OpS390XMOVDconst {
 19453  				break
 19454  			}
 19455  			if v_0_1.AuxInt != 1 {
 19456  				break
 19457  			}
 19458  			cmp := v_0.Args[2]
 19459  			yes := b.Succs[0]
 19460  			no := b.Succs[1]
 19461  			b.Kind = BlockS390XEQ
 19462  			b.SetControl(cmp)
 19463  			_ = yes
 19464  			_ = no
 19465  			return true
 19466  		}
 19467  		// match: (NE (CMPWconst [0] (MOVDNE (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 19468  		// cond:
 19469  		// result: (NE cmp yes no)
 19470  		for {
 19471  			v := b.Control
 19472  			if v.Op != OpS390XCMPWconst {
 19473  				break
 19474  			}
 19475  			if v.AuxInt != 0 {
 19476  				break
 19477  			}
 19478  			v_0 := v.Args[0]
 19479  			if v_0.Op != OpS390XMOVDNE {
 19480  				break
 19481  			}
 19482  			v_0_0 := v_0.Args[0]
 19483  			if v_0_0.Op != OpS390XMOVDconst {
 19484  				break
 19485  			}
 19486  			if v_0_0.AuxInt != 0 {
 19487  				break
 19488  			}
 19489  			v_0_1 := v_0.Args[1]
 19490  			if v_0_1.Op != OpS390XMOVDconst {
 19491  				break
 19492  			}
 19493  			if v_0_1.AuxInt != 1 {
 19494  				break
 19495  			}
 19496  			cmp := v_0.Args[2]
 19497  			yes := b.Succs[0]
 19498  			no := b.Succs[1]
 19499  			b.Kind = BlockS390XNE
 19500  			b.SetControl(cmp)
 19501  			_ = yes
 19502  			_ = no
 19503  			return true
 19504  		}
 19505  		// match: (NE (CMPWconst [0] (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 19506  		// cond:
 19507  		// result: (GTF cmp yes no)
 19508  		for {
 19509  			v := b.Control
 19510  			if v.Op != OpS390XCMPWconst {
 19511  				break
 19512  			}
 19513  			if v.AuxInt != 0 {
 19514  				break
 19515  			}
 19516  			v_0 := v.Args[0]
 19517  			if v_0.Op != OpS390XMOVDGTnoinv {
 19518  				break
 19519  			}
 19520  			v_0_0 := v_0.Args[0]
 19521  			if v_0_0.Op != OpS390XMOVDconst {
 19522  				break
 19523  			}
 19524  			if v_0_0.AuxInt != 0 {
 19525  				break
 19526  			}
 19527  			v_0_1 := v_0.Args[1]
 19528  			if v_0_1.Op != OpS390XMOVDconst {
 19529  				break
 19530  			}
 19531  			if v_0_1.AuxInt != 1 {
 19532  				break
 19533  			}
 19534  			cmp := v_0.Args[2]
 19535  			yes := b.Succs[0]
 19536  			no := b.Succs[1]
 19537  			b.Kind = BlockS390XGTF
 19538  			b.SetControl(cmp)
 19539  			_ = yes
 19540  			_ = no
 19541  			return true
 19542  		}
 19543  		// match: (NE (CMPWconst [0] (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 19544  		// cond:
 19545  		// result: (GEF cmp yes no)
 19546  		for {
 19547  			v := b.Control
 19548  			if v.Op != OpS390XCMPWconst {
 19549  				break
 19550  			}
 19551  			if v.AuxInt != 0 {
 19552  				break
 19553  			}
 19554  			v_0 := v.Args[0]
 19555  			if v_0.Op != OpS390XMOVDGEnoinv {
 19556  				break
 19557  			}
 19558  			v_0_0 := v_0.Args[0]
 19559  			if v_0_0.Op != OpS390XMOVDconst {
 19560  				break
 19561  			}
 19562  			if v_0_0.AuxInt != 0 {
 19563  				break
 19564  			}
 19565  			v_0_1 := v_0.Args[1]
 19566  			if v_0_1.Op != OpS390XMOVDconst {
 19567  				break
 19568  			}
 19569  			if v_0_1.AuxInt != 1 {
 19570  				break
 19571  			}
 19572  			cmp := v_0.Args[2]
 19573  			yes := b.Succs[0]
 19574  			no := b.Succs[1]
 19575  			b.Kind = BlockS390XGEF
 19576  			b.SetControl(cmp)
 19577  			_ = yes
 19578  			_ = no
 19579  			return true
 19580  		}
 19581  		// match: (NE (InvertFlags cmp) yes no)
 19582  		// cond:
 19583  		// result: (NE cmp yes no)
 19584  		for {
 19585  			v := b.Control
 19586  			if v.Op != OpS390XInvertFlags {
 19587  				break
 19588  			}
 19589  			cmp := v.Args[0]
 19590  			yes := b.Succs[0]
 19591  			no := b.Succs[1]
 19592  			b.Kind = BlockS390XNE
 19593  			b.SetControl(cmp)
 19594  			_ = yes
 19595  			_ = no
 19596  			return true
 19597  		}
 19598  		// match: (NE (FlagEQ) yes no)
 19599  		// cond:
 19600  		// result: (First nil no yes)
 19601  		for {
 19602  			v := b.Control
 19603  			if v.Op != OpS390XFlagEQ {
 19604  				break
 19605  			}
 19606  			yes := b.Succs[0]
 19607  			no := b.Succs[1]
 19608  			b.Kind = BlockFirst
 19609  			b.SetControl(nil)
 19610  			b.swapSuccessors()
 19611  			_ = no
 19612  			_ = yes
 19613  			return true
 19614  		}
 19615  		// match: (NE (FlagLT) yes no)
 19616  		// cond:
 19617  		// result: (First nil yes no)
 19618  		for {
 19619  			v := b.Control
 19620  			if v.Op != OpS390XFlagLT {
 19621  				break
 19622  			}
 19623  			yes := b.Succs[0]
 19624  			no := b.Succs[1]
 19625  			b.Kind = BlockFirst
 19626  			b.SetControl(nil)
 19627  			_ = yes
 19628  			_ = no
 19629  			return true
 19630  		}
 19631  		// match: (NE (FlagGT) yes no)
 19632  		// cond:
 19633  		// result: (First nil yes no)
 19634  		for {
 19635  			v := b.Control
 19636  			if v.Op != OpS390XFlagGT {
 19637  				break
 19638  			}
 19639  			yes := b.Succs[0]
 19640  			no := b.Succs[1]
 19641  			b.Kind = BlockFirst
 19642  			b.SetControl(nil)
 19643  			_ = yes
 19644  			_ = no
 19645  			return true
 19646  		}
 19647  	}
 19648  	return false
 19649  }