github.com/FenixAra/go@v0.0.0-20170127160404-96ea0918e670/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 OpLrot32:
   272  		return rewriteValueS390X_OpLrot32(v, config)
   273  	case OpLrot64:
   274  		return rewriteValueS390X_OpLrot64(v, config)
   275  	case OpLsh16x16:
   276  		return rewriteValueS390X_OpLsh16x16(v, config)
   277  	case OpLsh16x32:
   278  		return rewriteValueS390X_OpLsh16x32(v, config)
   279  	case OpLsh16x64:
   280  		return rewriteValueS390X_OpLsh16x64(v, config)
   281  	case OpLsh16x8:
   282  		return rewriteValueS390X_OpLsh16x8(v, config)
   283  	case OpLsh32x16:
   284  		return rewriteValueS390X_OpLsh32x16(v, config)
   285  	case OpLsh32x32:
   286  		return rewriteValueS390X_OpLsh32x32(v, config)
   287  	case OpLsh32x64:
   288  		return rewriteValueS390X_OpLsh32x64(v, config)
   289  	case OpLsh32x8:
   290  		return rewriteValueS390X_OpLsh32x8(v, config)
   291  	case OpLsh64x16:
   292  		return rewriteValueS390X_OpLsh64x16(v, config)
   293  	case OpLsh64x32:
   294  		return rewriteValueS390X_OpLsh64x32(v, config)
   295  	case OpLsh64x64:
   296  		return rewriteValueS390X_OpLsh64x64(v, config)
   297  	case OpLsh64x8:
   298  		return rewriteValueS390X_OpLsh64x8(v, config)
   299  	case OpLsh8x16:
   300  		return rewriteValueS390X_OpLsh8x16(v, config)
   301  	case OpLsh8x32:
   302  		return rewriteValueS390X_OpLsh8x32(v, config)
   303  	case OpLsh8x64:
   304  		return rewriteValueS390X_OpLsh8x64(v, config)
   305  	case OpLsh8x8:
   306  		return rewriteValueS390X_OpLsh8x8(v, config)
   307  	case OpMod16:
   308  		return rewriteValueS390X_OpMod16(v, config)
   309  	case OpMod16u:
   310  		return rewriteValueS390X_OpMod16u(v, config)
   311  	case OpMod32:
   312  		return rewriteValueS390X_OpMod32(v, config)
   313  	case OpMod32u:
   314  		return rewriteValueS390X_OpMod32u(v, config)
   315  	case OpMod64:
   316  		return rewriteValueS390X_OpMod64(v, config)
   317  	case OpMod64u:
   318  		return rewriteValueS390X_OpMod64u(v, config)
   319  	case OpMod8:
   320  		return rewriteValueS390X_OpMod8(v, config)
   321  	case OpMod8u:
   322  		return rewriteValueS390X_OpMod8u(v, config)
   323  	case OpMove:
   324  		return rewriteValueS390X_OpMove(v, config)
   325  	case OpMul16:
   326  		return rewriteValueS390X_OpMul16(v, config)
   327  	case OpMul32:
   328  		return rewriteValueS390X_OpMul32(v, config)
   329  	case OpMul32F:
   330  		return rewriteValueS390X_OpMul32F(v, config)
   331  	case OpMul64:
   332  		return rewriteValueS390X_OpMul64(v, config)
   333  	case OpMul64F:
   334  		return rewriteValueS390X_OpMul64F(v, config)
   335  	case OpMul8:
   336  		return rewriteValueS390X_OpMul8(v, config)
   337  	case OpNeg16:
   338  		return rewriteValueS390X_OpNeg16(v, config)
   339  	case OpNeg32:
   340  		return rewriteValueS390X_OpNeg32(v, config)
   341  	case OpNeg32F:
   342  		return rewriteValueS390X_OpNeg32F(v, config)
   343  	case OpNeg64:
   344  		return rewriteValueS390X_OpNeg64(v, config)
   345  	case OpNeg64F:
   346  		return rewriteValueS390X_OpNeg64F(v, config)
   347  	case OpNeg8:
   348  		return rewriteValueS390X_OpNeg8(v, config)
   349  	case OpNeq16:
   350  		return rewriteValueS390X_OpNeq16(v, config)
   351  	case OpNeq32:
   352  		return rewriteValueS390X_OpNeq32(v, config)
   353  	case OpNeq32F:
   354  		return rewriteValueS390X_OpNeq32F(v, config)
   355  	case OpNeq64:
   356  		return rewriteValueS390X_OpNeq64(v, config)
   357  	case OpNeq64F:
   358  		return rewriteValueS390X_OpNeq64F(v, config)
   359  	case OpNeq8:
   360  		return rewriteValueS390X_OpNeq8(v, config)
   361  	case OpNeqB:
   362  		return rewriteValueS390X_OpNeqB(v, config)
   363  	case OpNeqPtr:
   364  		return rewriteValueS390X_OpNeqPtr(v, config)
   365  	case OpNilCheck:
   366  		return rewriteValueS390X_OpNilCheck(v, config)
   367  	case OpNot:
   368  		return rewriteValueS390X_OpNot(v, config)
   369  	case OpOffPtr:
   370  		return rewriteValueS390X_OpOffPtr(v, config)
   371  	case OpOr16:
   372  		return rewriteValueS390X_OpOr16(v, config)
   373  	case OpOr32:
   374  		return rewriteValueS390X_OpOr32(v, config)
   375  	case OpOr64:
   376  		return rewriteValueS390X_OpOr64(v, config)
   377  	case OpOr8:
   378  		return rewriteValueS390X_OpOr8(v, config)
   379  	case OpOrB:
   380  		return rewriteValueS390X_OpOrB(v, config)
   381  	case OpRsh16Ux16:
   382  		return rewriteValueS390X_OpRsh16Ux16(v, config)
   383  	case OpRsh16Ux32:
   384  		return rewriteValueS390X_OpRsh16Ux32(v, config)
   385  	case OpRsh16Ux64:
   386  		return rewriteValueS390X_OpRsh16Ux64(v, config)
   387  	case OpRsh16Ux8:
   388  		return rewriteValueS390X_OpRsh16Ux8(v, config)
   389  	case OpRsh16x16:
   390  		return rewriteValueS390X_OpRsh16x16(v, config)
   391  	case OpRsh16x32:
   392  		return rewriteValueS390X_OpRsh16x32(v, config)
   393  	case OpRsh16x64:
   394  		return rewriteValueS390X_OpRsh16x64(v, config)
   395  	case OpRsh16x8:
   396  		return rewriteValueS390X_OpRsh16x8(v, config)
   397  	case OpRsh32Ux16:
   398  		return rewriteValueS390X_OpRsh32Ux16(v, config)
   399  	case OpRsh32Ux32:
   400  		return rewriteValueS390X_OpRsh32Ux32(v, config)
   401  	case OpRsh32Ux64:
   402  		return rewriteValueS390X_OpRsh32Ux64(v, config)
   403  	case OpRsh32Ux8:
   404  		return rewriteValueS390X_OpRsh32Ux8(v, config)
   405  	case OpRsh32x16:
   406  		return rewriteValueS390X_OpRsh32x16(v, config)
   407  	case OpRsh32x32:
   408  		return rewriteValueS390X_OpRsh32x32(v, config)
   409  	case OpRsh32x64:
   410  		return rewriteValueS390X_OpRsh32x64(v, config)
   411  	case OpRsh32x8:
   412  		return rewriteValueS390X_OpRsh32x8(v, config)
   413  	case OpRsh64Ux16:
   414  		return rewriteValueS390X_OpRsh64Ux16(v, config)
   415  	case OpRsh64Ux32:
   416  		return rewriteValueS390X_OpRsh64Ux32(v, config)
   417  	case OpRsh64Ux64:
   418  		return rewriteValueS390X_OpRsh64Ux64(v, config)
   419  	case OpRsh64Ux8:
   420  		return rewriteValueS390X_OpRsh64Ux8(v, config)
   421  	case OpRsh64x16:
   422  		return rewriteValueS390X_OpRsh64x16(v, config)
   423  	case OpRsh64x32:
   424  		return rewriteValueS390X_OpRsh64x32(v, config)
   425  	case OpRsh64x64:
   426  		return rewriteValueS390X_OpRsh64x64(v, config)
   427  	case OpRsh64x8:
   428  		return rewriteValueS390X_OpRsh64x8(v, config)
   429  	case OpRsh8Ux16:
   430  		return rewriteValueS390X_OpRsh8Ux16(v, config)
   431  	case OpRsh8Ux32:
   432  		return rewriteValueS390X_OpRsh8Ux32(v, config)
   433  	case OpRsh8Ux64:
   434  		return rewriteValueS390X_OpRsh8Ux64(v, config)
   435  	case OpRsh8Ux8:
   436  		return rewriteValueS390X_OpRsh8Ux8(v, config)
   437  	case OpRsh8x16:
   438  		return rewriteValueS390X_OpRsh8x16(v, config)
   439  	case OpRsh8x32:
   440  		return rewriteValueS390X_OpRsh8x32(v, config)
   441  	case OpRsh8x64:
   442  		return rewriteValueS390X_OpRsh8x64(v, config)
   443  	case OpRsh8x8:
   444  		return rewriteValueS390X_OpRsh8x8(v, config)
   445  	case OpS390XADD:
   446  		return rewriteValueS390X_OpS390XADD(v, config)
   447  	case OpS390XADDW:
   448  		return rewriteValueS390X_OpS390XADDW(v, config)
   449  	case OpS390XADDWconst:
   450  		return rewriteValueS390X_OpS390XADDWconst(v, config)
   451  	case OpS390XADDconst:
   452  		return rewriteValueS390X_OpS390XADDconst(v, config)
   453  	case OpS390XAND:
   454  		return rewriteValueS390X_OpS390XAND(v, config)
   455  	case OpS390XANDW:
   456  		return rewriteValueS390X_OpS390XANDW(v, config)
   457  	case OpS390XANDWconst:
   458  		return rewriteValueS390X_OpS390XANDWconst(v, config)
   459  	case OpS390XANDconst:
   460  		return rewriteValueS390X_OpS390XANDconst(v, config)
   461  	case OpS390XCMP:
   462  		return rewriteValueS390X_OpS390XCMP(v, config)
   463  	case OpS390XCMPU:
   464  		return rewriteValueS390X_OpS390XCMPU(v, config)
   465  	case OpS390XCMPUconst:
   466  		return rewriteValueS390X_OpS390XCMPUconst(v, config)
   467  	case OpS390XCMPW:
   468  		return rewriteValueS390X_OpS390XCMPW(v, config)
   469  	case OpS390XCMPWU:
   470  		return rewriteValueS390X_OpS390XCMPWU(v, config)
   471  	case OpS390XCMPWUconst:
   472  		return rewriteValueS390X_OpS390XCMPWUconst(v, config)
   473  	case OpS390XCMPWconst:
   474  		return rewriteValueS390X_OpS390XCMPWconst(v, config)
   475  	case OpS390XCMPconst:
   476  		return rewriteValueS390X_OpS390XCMPconst(v, config)
   477  	case OpS390XFMOVDload:
   478  		return rewriteValueS390X_OpS390XFMOVDload(v, config)
   479  	case OpS390XFMOVDloadidx:
   480  		return rewriteValueS390X_OpS390XFMOVDloadidx(v, config)
   481  	case OpS390XFMOVDstore:
   482  		return rewriteValueS390X_OpS390XFMOVDstore(v, config)
   483  	case OpS390XFMOVDstoreidx:
   484  		return rewriteValueS390X_OpS390XFMOVDstoreidx(v, config)
   485  	case OpS390XFMOVSload:
   486  		return rewriteValueS390X_OpS390XFMOVSload(v, config)
   487  	case OpS390XFMOVSloadidx:
   488  		return rewriteValueS390X_OpS390XFMOVSloadidx(v, config)
   489  	case OpS390XFMOVSstore:
   490  		return rewriteValueS390X_OpS390XFMOVSstore(v, config)
   491  	case OpS390XFMOVSstoreidx:
   492  		return rewriteValueS390X_OpS390XFMOVSstoreidx(v, config)
   493  	case OpS390XMOVBZload:
   494  		return rewriteValueS390X_OpS390XMOVBZload(v, config)
   495  	case OpS390XMOVBZloadidx:
   496  		return rewriteValueS390X_OpS390XMOVBZloadidx(v, config)
   497  	case OpS390XMOVBZreg:
   498  		return rewriteValueS390X_OpS390XMOVBZreg(v, config)
   499  	case OpS390XMOVBload:
   500  		return rewriteValueS390X_OpS390XMOVBload(v, config)
   501  	case OpS390XMOVBreg:
   502  		return rewriteValueS390X_OpS390XMOVBreg(v, config)
   503  	case OpS390XMOVBstore:
   504  		return rewriteValueS390X_OpS390XMOVBstore(v, config)
   505  	case OpS390XMOVBstoreconst:
   506  		return rewriteValueS390X_OpS390XMOVBstoreconst(v, config)
   507  	case OpS390XMOVBstoreidx:
   508  		return rewriteValueS390X_OpS390XMOVBstoreidx(v, config)
   509  	case OpS390XMOVDEQ:
   510  		return rewriteValueS390X_OpS390XMOVDEQ(v, config)
   511  	case OpS390XMOVDGE:
   512  		return rewriteValueS390X_OpS390XMOVDGE(v, config)
   513  	case OpS390XMOVDGT:
   514  		return rewriteValueS390X_OpS390XMOVDGT(v, config)
   515  	case OpS390XMOVDLE:
   516  		return rewriteValueS390X_OpS390XMOVDLE(v, config)
   517  	case OpS390XMOVDLT:
   518  		return rewriteValueS390X_OpS390XMOVDLT(v, config)
   519  	case OpS390XMOVDNE:
   520  		return rewriteValueS390X_OpS390XMOVDNE(v, config)
   521  	case OpS390XMOVDaddridx:
   522  		return rewriteValueS390X_OpS390XMOVDaddridx(v, config)
   523  	case OpS390XMOVDload:
   524  		return rewriteValueS390X_OpS390XMOVDload(v, config)
   525  	case OpS390XMOVDloadidx:
   526  		return rewriteValueS390X_OpS390XMOVDloadidx(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.Line, 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.Line, 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.Line, OpS390XADD, t)
  1127  		v1 := b.NewValue0(v.Line, OpS390XSRDconst, t)
  1128  		v1.AuxInt = 1
  1129  		v1.AddArg(x)
  1130  		v0.AddArg(v1)
  1131  		v2 := b.NewValue0(v.Line, OpS390XSRDconst, t)
  1132  		v2.AuxInt = 1
  1133  		v2.AddArg(y)
  1134  		v0.AddArg(v2)
  1135  		v.AddArg(v0)
  1136  		v3 := b.NewValue0(v.Line, OpS390XANDconst, t)
  1137  		v3.AuxInt = 1
  1138  		v4 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1374  		v0.AuxInt = 64
  1375  		v.AddArg(v0)
  1376  		v1 := b.NewValue0(v.Line, OpS390XFLOGR, config.fe.TypeUInt64())
  1377  		v2 := b.NewValue0(v.Line, OpS390XMOVWZreg, config.fe.TypeUInt64())
  1378  		v3 := b.NewValue0(v.Line, OpS390XANDW, t)
  1379  		v4 := b.NewValue0(v.Line, OpS390XSUBWconst, t)
  1380  		v4.AuxInt = 1
  1381  		v4.AddArg(x)
  1382  		v3.AddArg(v4)
  1383  		v5 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1403  		v0.AuxInt = 64
  1404  		v.AddArg(v0)
  1405  		v1 := b.NewValue0(v.Line, OpS390XFLOGR, config.fe.TypeUInt64())
  1406  		v2 := b.NewValue0(v.Line, OpS390XAND, t)
  1407  		v3 := b.NewValue0(v.Line, OpS390XSUBconst, t)
  1408  		v3.AuxInt = 1
  1409  		v3.AddArg(x)
  1410  		v2.AddArg(v3)
  1411  		v4 := b.NewValue0(v.Line, 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.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  1575  		v0.AddArg(x)
  1576  		v.AddArg(v0)
  1577  		v1 := b.NewValue0(v.Line, 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.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  1594  		v0.AddArg(x)
  1595  		v.AddArg(v0)
  1596  		v1 := b.NewValue0(v.Line, 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.Line, 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.Line, 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.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  1707  		v0.AddArg(x)
  1708  		v.AddArg(v0)
  1709  		v1 := b.NewValue0(v.Line, 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.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  1726  		v0.AddArg(x)
  1727  		v.AddArg(v0)
  1728  		v1 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1745  		v0.AuxInt = 0
  1746  		v.AddArg(v0)
  1747  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1748  		v1.AuxInt = 1
  1749  		v.AddArg(v1)
  1750  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  1751  		v3 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  1752  		v3.AddArg(x)
  1753  		v2.AddArg(v3)
  1754  		v4 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1772  		v0.AuxInt = 0
  1773  		v.AddArg(v0)
  1774  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1775  		v1.AuxInt = 1
  1776  		v.AddArg(v1)
  1777  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1795  		v0.AuxInt = 0
  1796  		v.AddArg(v0)
  1797  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1798  		v1.AuxInt = 1
  1799  		v.AddArg(v1)
  1800  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1818  		v0.AuxInt = 0
  1819  		v.AddArg(v0)
  1820  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1821  		v1.AuxInt = 1
  1822  		v.AddArg(v1)
  1823  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1841  		v0.AuxInt = 0
  1842  		v.AddArg(v0)
  1843  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1844  		v1.AuxInt = 1
  1845  		v.AddArg(v1)
  1846  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1864  		v0.AuxInt = 0
  1865  		v.AddArg(v0)
  1866  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1867  		v1.AuxInt = 1
  1868  		v.AddArg(v1)
  1869  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  1870  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  1871  		v3.AddArg(x)
  1872  		v2.AddArg(v3)
  1873  		v4 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1891  		v0.AuxInt = 0
  1892  		v.AddArg(v0)
  1893  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1894  		v1.AuxInt = 1
  1895  		v.AddArg(v1)
  1896  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  1897  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  1898  		v3.AddArg(x)
  1899  		v2.AddArg(v3)
  1900  		v4 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1918  		v0.AuxInt = 0
  1919  		v.AddArg(v0)
  1920  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1921  		v1.AuxInt = 1
  1922  		v.AddArg(v1)
  1923  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1941  		v0.AuxInt = 0
  1942  		v.AddArg(v0)
  1943  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1944  		v1.AuxInt = 1
  1945  		v.AddArg(v1)
  1946  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  1947  		v3 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  1948  		v3.AddArg(x)
  1949  		v2.AddArg(v3)
  1950  		v4 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1968  		v0.AuxInt = 0
  1969  		v.AddArg(v0)
  1970  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1971  		v1.AuxInt = 1
  1972  		v.AddArg(v1)
  1973  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  1974  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  1975  		v3.AddArg(x)
  1976  		v2.AddArg(v3)
  1977  		v4 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1995  		v0.AuxInt = 0
  1996  		v.AddArg(v0)
  1997  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1998  		v1.AuxInt = 1
  1999  		v.AddArg(v1)
  2000  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2018  		v0.AuxInt = 0
  2019  		v.AddArg(v0)
  2020  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2021  		v1.AuxInt = 1
  2022  		v.AddArg(v1)
  2023  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2041  		v0.AuxInt = 0
  2042  		v.AddArg(v0)
  2043  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2044  		v1.AuxInt = 1
  2045  		v.AddArg(v1)
  2046  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2064  		v0.AuxInt = 0
  2065  		v.AddArg(v0)
  2066  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2067  		v1.AuxInt = 1
  2068  		v.AddArg(v1)
  2069  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2087  		v0.AuxInt = 0
  2088  		v.AddArg(v0)
  2089  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2090  		v1.AuxInt = 1
  2091  		v.AddArg(v1)
  2092  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2110  		v0.AuxInt = 0
  2111  		v.AddArg(v0)
  2112  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2113  		v1.AuxInt = 1
  2114  		v.AddArg(v1)
  2115  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2133  		v0.AuxInt = 0
  2134  		v.AddArg(v0)
  2135  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2136  		v1.AuxInt = 1
  2137  		v.AddArg(v1)
  2138  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2139  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  2140  		v3.AddArg(x)
  2141  		v2.AddArg(v3)
  2142  		v4 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2160  		v0.AuxInt = 0
  2161  		v.AddArg(v0)
  2162  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2163  		v1.AuxInt = 1
  2164  		v.AddArg(v1)
  2165  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2166  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2167  		v3.AddArg(x)
  2168  		v2.AddArg(v3)
  2169  		v4 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2226  		v0.AuxInt = 0
  2227  		v.AddArg(v0)
  2228  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2229  		v1.AuxInt = 1
  2230  		v.AddArg(v1)
  2231  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2232  		v3 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  2233  		v3.AddArg(x)
  2234  		v2.AddArg(v3)
  2235  		v4 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2253  		v0.AuxInt = 0
  2254  		v.AddArg(v0)
  2255  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2256  		v1.AuxInt = 1
  2257  		v.AddArg(v1)
  2258  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2259  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2260  		v3.AddArg(x)
  2261  		v2.AddArg(v3)
  2262  		v4 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2280  		v0.AuxInt = 0
  2281  		v.AddArg(v0)
  2282  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2283  		v1.AuxInt = 1
  2284  		v.AddArg(v1)
  2285  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2303  		v0.AuxInt = 0
  2304  		v.AddArg(v0)
  2305  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2306  		v1.AuxInt = 1
  2307  		v.AddArg(v1)
  2308  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2326  		v0.AuxInt = 0
  2327  		v.AddArg(v0)
  2328  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2329  		v1.AuxInt = 1
  2330  		v.AddArg(v1)
  2331  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2349  		v0.AuxInt = 0
  2350  		v.AddArg(v0)
  2351  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2352  		v1.AuxInt = 1
  2353  		v.AddArg(v1)
  2354  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2372  		v0.AuxInt = 0
  2373  		v.AddArg(v0)
  2374  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2375  		v1.AuxInt = 1
  2376  		v.AddArg(v1)
  2377  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2395  		v0.AuxInt = 0
  2396  		v.AddArg(v0)
  2397  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2398  		v1.AuxInt = 1
  2399  		v.AddArg(v1)
  2400  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2418  		v0.AuxInt = 0
  2419  		v.AddArg(v0)
  2420  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2421  		v1.AuxInt = 1
  2422  		v.AddArg(v1)
  2423  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2424  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  2425  		v3.AddArg(x)
  2426  		v2.AddArg(v3)
  2427  		v4 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2445  		v0.AuxInt = 0
  2446  		v.AddArg(v0)
  2447  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2448  		v1.AuxInt = 1
  2449  		v.AddArg(v1)
  2450  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2451  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2452  		v3.AddArg(x)
  2453  		v2.AddArg(v3)
  2454  		v4 := b.NewValue0(v.Line, 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.Line, OpS390XMULLW, config.fe.TypeInt32())
  2473  		v1 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  2474  		v1.AddArg(x)
  2475  		v0.AddArg(v1)
  2476  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMULLW, config.fe.TypeInt32())
  2495  		v1 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2496  		v1.AddArg(x)
  2497  		v0.AddArg(v1)
  2498  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMULLD, config.fe.TypeInt64())
  2517  		v1 := b.NewValue0(v.Line, OpS390XMOVWreg, config.fe.TypeInt64())
  2518  		v1.AddArg(x)
  2519  		v0.AddArg(v1)
  2520  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMULLD, config.fe.TypeInt64())
  2539  		v1 := b.NewValue0(v.Line, OpS390XMOVWZreg, config.fe.TypeUInt64())
  2540  		v1.AddArg(x)
  2541  		v0.AddArg(v1)
  2542  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMULLW, config.fe.TypeInt32())
  2591  		v1 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  2592  		v1.AddArg(x)
  2593  		v0.AddArg(v1)
  2594  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMULLW, config.fe.TypeInt32())
  2613  		v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2614  		v1.AddArg(x)
  2615  		v0.AddArg(v1)
  2616  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2671  		v0.AuxInt = 0
  2672  		v.AddArg(v0)
  2673  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2674  		v1.AuxInt = 1
  2675  		v.AddArg(v1)
  2676  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2693  		v0.AuxInt = 0
  2694  		v.AddArg(v0)
  2695  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2696  		v1.AuxInt = 1
  2697  		v.AddArg(v1)
  2698  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2716  		v0.AuxInt = 0
  2717  		v.AddArg(v0)
  2718  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2719  		v1.AuxInt = 1
  2720  		v.AddArg(v1)
  2721  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2739  		v0.AuxInt = 0
  2740  		v.AddArg(v0)
  2741  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2742  		v1.AuxInt = 1
  2743  		v.AddArg(v1)
  2744  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2745  		v3 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  2746  		v3.AddArg(x)
  2747  		v2.AddArg(v3)
  2748  		v4 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2766  		v0.AuxInt = 0
  2767  		v.AddArg(v0)
  2768  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2769  		v1.AuxInt = 1
  2770  		v.AddArg(v1)
  2771  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2772  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2773  		v3.AddArg(x)
  2774  		v2.AddArg(v3)
  2775  		v4 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2793  		v0.AuxInt = 0
  2794  		v.AddArg(v0)
  2795  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2796  		v1.AuxInt = 1
  2797  		v.AddArg(v1)
  2798  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2816  		v0.AuxInt = 0
  2817  		v.AddArg(v0)
  2818  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2819  		v1.AuxInt = 1
  2820  		v.AddArg(v1)
  2821  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2839  		v0.AuxInt = 0
  2840  		v.AddArg(v0)
  2841  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2842  		v1.AuxInt = 1
  2843  		v.AddArg(v1)
  2844  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2862  		v0.AuxInt = 0
  2863  		v.AddArg(v0)
  2864  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2865  		v1.AuxInt = 1
  2866  		v.AddArg(v1)
  2867  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2885  		v0.AuxInt = 0
  2886  		v.AddArg(v0)
  2887  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2888  		v1.AuxInt = 1
  2889  		v.AddArg(v1)
  2890  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2908  		v0.AuxInt = 0
  2909  		v.AddArg(v0)
  2910  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2911  		v1.AuxInt = 1
  2912  		v.AddArg(v1)
  2913  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2931  		v0.AuxInt = 0
  2932  		v.AddArg(v0)
  2933  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2934  		v1.AuxInt = 1
  2935  		v.AddArg(v1)
  2936  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2937  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  2938  		v3.AddArg(x)
  2939  		v2.AddArg(v3)
  2940  		v4 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2958  		v0.AuxInt = 0
  2959  		v.AddArg(v0)
  2960  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2961  		v1.AuxInt = 1
  2962  		v.AddArg(v1)
  2963  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2964  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2965  		v3.AddArg(x)
  2966  		v2.AddArg(v3)
  2967  		v4 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2985  		v0.AuxInt = 0
  2986  		v.AddArg(v0)
  2987  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2988  		v1.AuxInt = 1
  2989  		v.AddArg(v1)
  2990  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2991  		v3 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  2992  		v3.AddArg(x)
  2993  		v2.AddArg(v3)
  2994  		v4 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3012  		v0.AuxInt = 0
  3013  		v.AddArg(v0)
  3014  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3015  		v1.AuxInt = 1
  3016  		v.AddArg(v1)
  3017  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  3018  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3019  		v3.AddArg(x)
  3020  		v2.AddArg(v3)
  3021  		v4 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3039  		v0.AuxInt = 0
  3040  		v.AddArg(v0)
  3041  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3042  		v1.AuxInt = 1
  3043  		v.AddArg(v1)
  3044  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3062  		v0.AuxInt = 0
  3063  		v.AddArg(v0)
  3064  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3065  		v1.AuxInt = 1
  3066  		v.AddArg(v1)
  3067  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3085  		v0.AuxInt = 0
  3086  		v.AddArg(v0)
  3087  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3088  		v1.AuxInt = 1
  3089  		v.AddArg(v1)
  3090  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3108  		v0.AuxInt = 0
  3109  		v.AddArg(v0)
  3110  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3111  		v1.AuxInt = 1
  3112  		v.AddArg(v1)
  3113  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3131  		v0.AuxInt = 0
  3132  		v.AddArg(v0)
  3133  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3134  		v1.AuxInt = 1
  3135  		v.AddArg(v1)
  3136  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3154  		v0.AuxInt = 0
  3155  		v.AddArg(v0)
  3156  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3157  		v1.AuxInt = 1
  3158  		v.AddArg(v1)
  3159  		v2 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3177  		v0.AuxInt = 0
  3178  		v.AddArg(v0)
  3179  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3180  		v1.AuxInt = 1
  3181  		v.AddArg(v1)
  3182  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  3183  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  3184  		v3.AddArg(x)
  3185  		v2.AddArg(v3)
  3186  		v4 := b.NewValue0(v.Line, 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.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3204  		v0.AuxInt = 0
  3205  		v.AddArg(v0)
  3206  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3207  		v1.AuxInt = 1
  3208  		v.AddArg(v1)
  3209  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  3210  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3211  		v3.AddArg(x)
  3212  		v2.AddArg(v3)
  3213  		v4 := b.NewValue0(v.Line, 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)
  3240  	// result: (MOVWZload ptr mem)
  3241  	for {
  3242  		t := v.Type
  3243  		ptr := v.Args[0]
  3244  		mem := v.Args[1]
  3245  		if !(is32BitInt(t)) {
  3246  			break
  3247  		}
  3248  		v.reset(OpS390XMOVWZload)
  3249  		v.AddArg(ptr)
  3250  		v.AddArg(mem)
  3251  		return true
  3252  	}
  3253  	// match: (Load <t> ptr mem)
  3254  	// cond: is16BitInt(t)
  3255  	// result: (MOVHZload ptr mem)
  3256  	for {
  3257  		t := v.Type
  3258  		ptr := v.Args[0]
  3259  		mem := v.Args[1]
  3260  		if !(is16BitInt(t)) {
  3261  			break
  3262  		}
  3263  		v.reset(OpS390XMOVHZload)
  3264  		v.AddArg(ptr)
  3265  		v.AddArg(mem)
  3266  		return true
  3267  	}
  3268  	// match: (Load <t> ptr mem)
  3269  	// cond: (t.IsBoolean() || is8BitInt(t))
  3270  	// result: (MOVBZload ptr mem)
  3271  	for {
  3272  		t := v.Type
  3273  		ptr := v.Args[0]
  3274  		mem := v.Args[1]
  3275  		if !(t.IsBoolean() || is8BitInt(t)) {
  3276  			break
  3277  		}
  3278  		v.reset(OpS390XMOVBZload)
  3279  		v.AddArg(ptr)
  3280  		v.AddArg(mem)
  3281  		return true
  3282  	}
  3283  	// match: (Load <t> ptr mem)
  3284  	// cond: is32BitFloat(t)
  3285  	// result: (FMOVSload ptr mem)
  3286  	for {
  3287  		t := v.Type
  3288  		ptr := v.Args[0]
  3289  		mem := v.Args[1]
  3290  		if !(is32BitFloat(t)) {
  3291  			break
  3292  		}
  3293  		v.reset(OpS390XFMOVSload)
  3294  		v.AddArg(ptr)
  3295  		v.AddArg(mem)
  3296  		return true
  3297  	}
  3298  	// match: (Load <t> ptr mem)
  3299  	// cond: is64BitFloat(t)
  3300  	// result: (FMOVDload ptr mem)
  3301  	for {
  3302  		t := v.Type
  3303  		ptr := v.Args[0]
  3304  		mem := v.Args[1]
  3305  		if !(is64BitFloat(t)) {
  3306  			break
  3307  		}
  3308  		v.reset(OpS390XFMOVDload)
  3309  		v.AddArg(ptr)
  3310  		v.AddArg(mem)
  3311  		return true
  3312  	}
  3313  	return false
  3314  }
  3315  func rewriteValueS390X_OpLrot32(v *Value, config *Config) bool {
  3316  	b := v.Block
  3317  	_ = b
  3318  	// match: (Lrot32 <t> x [c])
  3319  	// cond:
  3320  	// result: (RLLconst <t> [c&31] x)
  3321  	for {
  3322  		t := v.Type
  3323  		c := v.AuxInt
  3324  		x := v.Args[0]
  3325  		v.reset(OpS390XRLLconst)
  3326  		v.Type = t
  3327  		v.AuxInt = c & 31
  3328  		v.AddArg(x)
  3329  		return true
  3330  	}
  3331  }
  3332  func rewriteValueS390X_OpLrot64(v *Value, config *Config) bool {
  3333  	b := v.Block
  3334  	_ = b
  3335  	// match: (Lrot64 <t> x [c])
  3336  	// cond:
  3337  	// result: (RLLGconst <t> [c&63] x)
  3338  	for {
  3339  		t := v.Type
  3340  		c := v.AuxInt
  3341  		x := v.Args[0]
  3342  		v.reset(OpS390XRLLGconst)
  3343  		v.Type = t
  3344  		v.AuxInt = c & 63
  3345  		v.AddArg(x)
  3346  		return true
  3347  	}
  3348  }
  3349  func rewriteValueS390X_OpLsh16x16(v *Value, config *Config) bool {
  3350  	b := v.Block
  3351  	_ = b
  3352  	// match: (Lsh16x16 <t> x y)
  3353  	// cond:
  3354  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  3355  	for {
  3356  		t := v.Type
  3357  		x := v.Args[0]
  3358  		y := v.Args[1]
  3359  		v.reset(OpS390XANDW)
  3360  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3361  		v0.AddArg(x)
  3362  		v0.AddArg(y)
  3363  		v.AddArg(v0)
  3364  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3365  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3366  		v2.AuxInt = 31
  3367  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3368  		v3.AddArg(y)
  3369  		v2.AddArg(v3)
  3370  		v1.AddArg(v2)
  3371  		v.AddArg(v1)
  3372  		return true
  3373  	}
  3374  }
  3375  func rewriteValueS390X_OpLsh16x32(v *Value, config *Config) bool {
  3376  	b := v.Block
  3377  	_ = b
  3378  	// match: (Lsh16x32 <t> x y)
  3379  	// cond:
  3380  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  3381  	for {
  3382  		t := v.Type
  3383  		x := v.Args[0]
  3384  		y := v.Args[1]
  3385  		v.reset(OpS390XANDW)
  3386  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3387  		v0.AddArg(x)
  3388  		v0.AddArg(y)
  3389  		v.AddArg(v0)
  3390  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3391  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3392  		v2.AuxInt = 31
  3393  		v2.AddArg(y)
  3394  		v1.AddArg(v2)
  3395  		v.AddArg(v1)
  3396  		return true
  3397  	}
  3398  }
  3399  func rewriteValueS390X_OpLsh16x64(v *Value, config *Config) bool {
  3400  	b := v.Block
  3401  	_ = b
  3402  	// match: (Lsh16x64 <t> x y)
  3403  	// cond:
  3404  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  3405  	for {
  3406  		t := v.Type
  3407  		x := v.Args[0]
  3408  		y := v.Args[1]
  3409  		v.reset(OpS390XANDW)
  3410  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3411  		v0.AddArg(x)
  3412  		v0.AddArg(y)
  3413  		v.AddArg(v0)
  3414  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3415  		v2 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  3416  		v2.AuxInt = 31
  3417  		v2.AddArg(y)
  3418  		v1.AddArg(v2)
  3419  		v.AddArg(v1)
  3420  		return true
  3421  	}
  3422  }
  3423  func rewriteValueS390X_OpLsh16x8(v *Value, config *Config) bool {
  3424  	b := v.Block
  3425  	_ = b
  3426  	// match: (Lsh16x8  <t> x y)
  3427  	// cond:
  3428  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  3429  	for {
  3430  		t := v.Type
  3431  		x := v.Args[0]
  3432  		y := v.Args[1]
  3433  		v.reset(OpS390XANDW)
  3434  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3435  		v0.AddArg(x)
  3436  		v0.AddArg(y)
  3437  		v.AddArg(v0)
  3438  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3439  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3440  		v2.AuxInt = 31
  3441  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3442  		v3.AddArg(y)
  3443  		v2.AddArg(v3)
  3444  		v1.AddArg(v2)
  3445  		v.AddArg(v1)
  3446  		return true
  3447  	}
  3448  }
  3449  func rewriteValueS390X_OpLsh32x16(v *Value, config *Config) bool {
  3450  	b := v.Block
  3451  	_ = b
  3452  	// match: (Lsh32x16 <t> x y)
  3453  	// cond:
  3454  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  3455  	for {
  3456  		t := v.Type
  3457  		x := v.Args[0]
  3458  		y := v.Args[1]
  3459  		v.reset(OpS390XANDW)
  3460  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3461  		v0.AddArg(x)
  3462  		v0.AddArg(y)
  3463  		v.AddArg(v0)
  3464  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3465  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3466  		v2.AuxInt = 31
  3467  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3468  		v3.AddArg(y)
  3469  		v2.AddArg(v3)
  3470  		v1.AddArg(v2)
  3471  		v.AddArg(v1)
  3472  		return true
  3473  	}
  3474  }
  3475  func rewriteValueS390X_OpLsh32x32(v *Value, config *Config) bool {
  3476  	b := v.Block
  3477  	_ = b
  3478  	// match: (Lsh32x32 <t> x y)
  3479  	// cond:
  3480  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  3481  	for {
  3482  		t := v.Type
  3483  		x := v.Args[0]
  3484  		y := v.Args[1]
  3485  		v.reset(OpS390XANDW)
  3486  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3487  		v0.AddArg(x)
  3488  		v0.AddArg(y)
  3489  		v.AddArg(v0)
  3490  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3491  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3492  		v2.AuxInt = 31
  3493  		v2.AddArg(y)
  3494  		v1.AddArg(v2)
  3495  		v.AddArg(v1)
  3496  		return true
  3497  	}
  3498  }
  3499  func rewriteValueS390X_OpLsh32x64(v *Value, config *Config) bool {
  3500  	b := v.Block
  3501  	_ = b
  3502  	// match: (Lsh32x64 <t> x y)
  3503  	// cond:
  3504  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  3505  	for {
  3506  		t := v.Type
  3507  		x := v.Args[0]
  3508  		y := v.Args[1]
  3509  		v.reset(OpS390XANDW)
  3510  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3511  		v0.AddArg(x)
  3512  		v0.AddArg(y)
  3513  		v.AddArg(v0)
  3514  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3515  		v2 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  3516  		v2.AuxInt = 31
  3517  		v2.AddArg(y)
  3518  		v1.AddArg(v2)
  3519  		v.AddArg(v1)
  3520  		return true
  3521  	}
  3522  }
  3523  func rewriteValueS390X_OpLsh32x8(v *Value, config *Config) bool {
  3524  	b := v.Block
  3525  	_ = b
  3526  	// match: (Lsh32x8  <t> x y)
  3527  	// cond:
  3528  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  3529  	for {
  3530  		t := v.Type
  3531  		x := v.Args[0]
  3532  		y := v.Args[1]
  3533  		v.reset(OpS390XANDW)
  3534  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3535  		v0.AddArg(x)
  3536  		v0.AddArg(y)
  3537  		v.AddArg(v0)
  3538  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3539  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3540  		v2.AuxInt = 31
  3541  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3542  		v3.AddArg(y)
  3543  		v2.AddArg(v3)
  3544  		v1.AddArg(v2)
  3545  		v.AddArg(v1)
  3546  		return true
  3547  	}
  3548  }
  3549  func rewriteValueS390X_OpLsh64x16(v *Value, config *Config) bool {
  3550  	b := v.Block
  3551  	_ = b
  3552  	// match: (Lsh64x16 <t> x y)
  3553  	// cond:
  3554  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVHZreg y) [63])))
  3555  	for {
  3556  		t := v.Type
  3557  		x := v.Args[0]
  3558  		y := v.Args[1]
  3559  		v.reset(OpS390XAND)
  3560  		v0 := b.NewValue0(v.Line, OpS390XSLD, t)
  3561  		v0.AddArg(x)
  3562  		v0.AddArg(y)
  3563  		v.AddArg(v0)
  3564  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  3565  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3566  		v2.AuxInt = 63
  3567  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3568  		v3.AddArg(y)
  3569  		v2.AddArg(v3)
  3570  		v1.AddArg(v2)
  3571  		v.AddArg(v1)
  3572  		return true
  3573  	}
  3574  }
  3575  func rewriteValueS390X_OpLsh64x32(v *Value, config *Config) bool {
  3576  	b := v.Block
  3577  	_ = b
  3578  	// match: (Lsh64x32 <t> x y)
  3579  	// cond:
  3580  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPWUconst y [63])))
  3581  	for {
  3582  		t := v.Type
  3583  		x := v.Args[0]
  3584  		y := v.Args[1]
  3585  		v.reset(OpS390XAND)
  3586  		v0 := b.NewValue0(v.Line, OpS390XSLD, t)
  3587  		v0.AddArg(x)
  3588  		v0.AddArg(y)
  3589  		v.AddArg(v0)
  3590  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  3591  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3592  		v2.AuxInt = 63
  3593  		v2.AddArg(y)
  3594  		v1.AddArg(v2)
  3595  		v.AddArg(v1)
  3596  		return true
  3597  	}
  3598  }
  3599  func rewriteValueS390X_OpLsh64x64(v *Value, config *Config) bool {
  3600  	b := v.Block
  3601  	_ = b
  3602  	// match: (Lsh64x64 <t> x y)
  3603  	// cond:
  3604  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPUconst y [63])))
  3605  	for {
  3606  		t := v.Type
  3607  		x := v.Args[0]
  3608  		y := v.Args[1]
  3609  		v.reset(OpS390XAND)
  3610  		v0 := b.NewValue0(v.Line, OpS390XSLD, t)
  3611  		v0.AddArg(x)
  3612  		v0.AddArg(y)
  3613  		v.AddArg(v0)
  3614  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  3615  		v2 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  3616  		v2.AuxInt = 63
  3617  		v2.AddArg(y)
  3618  		v1.AddArg(v2)
  3619  		v.AddArg(v1)
  3620  		return true
  3621  	}
  3622  }
  3623  func rewriteValueS390X_OpLsh64x8(v *Value, config *Config) bool {
  3624  	b := v.Block
  3625  	_ = b
  3626  	// match: (Lsh64x8  <t> x y)
  3627  	// cond:
  3628  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVBZreg y) [63])))
  3629  	for {
  3630  		t := v.Type
  3631  		x := v.Args[0]
  3632  		y := v.Args[1]
  3633  		v.reset(OpS390XAND)
  3634  		v0 := b.NewValue0(v.Line, OpS390XSLD, t)
  3635  		v0.AddArg(x)
  3636  		v0.AddArg(y)
  3637  		v.AddArg(v0)
  3638  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  3639  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3640  		v2.AuxInt = 63
  3641  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3642  		v3.AddArg(y)
  3643  		v2.AddArg(v3)
  3644  		v1.AddArg(v2)
  3645  		v.AddArg(v1)
  3646  		return true
  3647  	}
  3648  }
  3649  func rewriteValueS390X_OpLsh8x16(v *Value, config *Config) bool {
  3650  	b := v.Block
  3651  	_ = b
  3652  	// match: (Lsh8x16 <t> x y)
  3653  	// cond:
  3654  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  3655  	for {
  3656  		t := v.Type
  3657  		x := v.Args[0]
  3658  		y := v.Args[1]
  3659  		v.reset(OpS390XANDW)
  3660  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3661  		v0.AddArg(x)
  3662  		v0.AddArg(y)
  3663  		v.AddArg(v0)
  3664  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3665  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3666  		v2.AuxInt = 31
  3667  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3668  		v3.AddArg(y)
  3669  		v2.AddArg(v3)
  3670  		v1.AddArg(v2)
  3671  		v.AddArg(v1)
  3672  		return true
  3673  	}
  3674  }
  3675  func rewriteValueS390X_OpLsh8x32(v *Value, config *Config) bool {
  3676  	b := v.Block
  3677  	_ = b
  3678  	// match: (Lsh8x32 <t> x y)
  3679  	// cond:
  3680  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  3681  	for {
  3682  		t := v.Type
  3683  		x := v.Args[0]
  3684  		y := v.Args[1]
  3685  		v.reset(OpS390XANDW)
  3686  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3687  		v0.AddArg(x)
  3688  		v0.AddArg(y)
  3689  		v.AddArg(v0)
  3690  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3691  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3692  		v2.AuxInt = 31
  3693  		v2.AddArg(y)
  3694  		v1.AddArg(v2)
  3695  		v.AddArg(v1)
  3696  		return true
  3697  	}
  3698  }
  3699  func rewriteValueS390X_OpLsh8x64(v *Value, config *Config) bool {
  3700  	b := v.Block
  3701  	_ = b
  3702  	// match: (Lsh8x64 <t> x y)
  3703  	// cond:
  3704  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  3705  	for {
  3706  		t := v.Type
  3707  		x := v.Args[0]
  3708  		y := v.Args[1]
  3709  		v.reset(OpS390XANDW)
  3710  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3711  		v0.AddArg(x)
  3712  		v0.AddArg(y)
  3713  		v.AddArg(v0)
  3714  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3715  		v2 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  3716  		v2.AuxInt = 31
  3717  		v2.AddArg(y)
  3718  		v1.AddArg(v2)
  3719  		v.AddArg(v1)
  3720  		return true
  3721  	}
  3722  }
  3723  func rewriteValueS390X_OpLsh8x8(v *Value, config *Config) bool {
  3724  	b := v.Block
  3725  	_ = b
  3726  	// match: (Lsh8x8  <t> x y)
  3727  	// cond:
  3728  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  3729  	for {
  3730  		t := v.Type
  3731  		x := v.Args[0]
  3732  		y := v.Args[1]
  3733  		v.reset(OpS390XANDW)
  3734  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3735  		v0.AddArg(x)
  3736  		v0.AddArg(y)
  3737  		v.AddArg(v0)
  3738  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3739  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3740  		v2.AuxInt = 31
  3741  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3742  		v3.AddArg(y)
  3743  		v2.AddArg(v3)
  3744  		v1.AddArg(v2)
  3745  		v.AddArg(v1)
  3746  		return true
  3747  	}
  3748  }
  3749  func rewriteValueS390X_OpMod16(v *Value, config *Config) bool {
  3750  	b := v.Block
  3751  	_ = b
  3752  	// match: (Mod16  x y)
  3753  	// cond:
  3754  	// result: (MODW  (MOVHreg x) (MOVHreg y))
  3755  	for {
  3756  		x := v.Args[0]
  3757  		y := v.Args[1]
  3758  		v.reset(OpS390XMODW)
  3759  		v0 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  3760  		v0.AddArg(x)
  3761  		v.AddArg(v0)
  3762  		v1 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  3763  		v1.AddArg(y)
  3764  		v.AddArg(v1)
  3765  		return true
  3766  	}
  3767  }
  3768  func rewriteValueS390X_OpMod16u(v *Value, config *Config) bool {
  3769  	b := v.Block
  3770  	_ = b
  3771  	// match: (Mod16u x y)
  3772  	// cond:
  3773  	// result: (MODWU (MOVHZreg x) (MOVHZreg y))
  3774  	for {
  3775  		x := v.Args[0]
  3776  		y := v.Args[1]
  3777  		v.reset(OpS390XMODWU)
  3778  		v0 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3779  		v0.AddArg(x)
  3780  		v.AddArg(v0)
  3781  		v1 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3782  		v1.AddArg(y)
  3783  		v.AddArg(v1)
  3784  		return true
  3785  	}
  3786  }
  3787  func rewriteValueS390X_OpMod32(v *Value, config *Config) bool {
  3788  	b := v.Block
  3789  	_ = b
  3790  	// match: (Mod32  x y)
  3791  	// cond:
  3792  	// result: (MODW  (MOVWreg x) y)
  3793  	for {
  3794  		x := v.Args[0]
  3795  		y := v.Args[1]
  3796  		v.reset(OpS390XMODW)
  3797  		v0 := b.NewValue0(v.Line, OpS390XMOVWreg, config.fe.TypeInt64())
  3798  		v0.AddArg(x)
  3799  		v.AddArg(v0)
  3800  		v.AddArg(y)
  3801  		return true
  3802  	}
  3803  }
  3804  func rewriteValueS390X_OpMod32u(v *Value, config *Config) bool {
  3805  	b := v.Block
  3806  	_ = b
  3807  	// match: (Mod32u x y)
  3808  	// cond:
  3809  	// result: (MODWU (MOVWZreg x) y)
  3810  	for {
  3811  		x := v.Args[0]
  3812  		y := v.Args[1]
  3813  		v.reset(OpS390XMODWU)
  3814  		v0 := b.NewValue0(v.Line, OpS390XMOVWZreg, config.fe.TypeUInt64())
  3815  		v0.AddArg(x)
  3816  		v.AddArg(v0)
  3817  		v.AddArg(y)
  3818  		return true
  3819  	}
  3820  }
  3821  func rewriteValueS390X_OpMod64(v *Value, config *Config) bool {
  3822  	b := v.Block
  3823  	_ = b
  3824  	// match: (Mod64  x y)
  3825  	// cond:
  3826  	// result: (MODD  x y)
  3827  	for {
  3828  		x := v.Args[0]
  3829  		y := v.Args[1]
  3830  		v.reset(OpS390XMODD)
  3831  		v.AddArg(x)
  3832  		v.AddArg(y)
  3833  		return true
  3834  	}
  3835  }
  3836  func rewriteValueS390X_OpMod64u(v *Value, config *Config) bool {
  3837  	b := v.Block
  3838  	_ = b
  3839  	// match: (Mod64u x y)
  3840  	// cond:
  3841  	// result: (MODDU x y)
  3842  	for {
  3843  		x := v.Args[0]
  3844  		y := v.Args[1]
  3845  		v.reset(OpS390XMODDU)
  3846  		v.AddArg(x)
  3847  		v.AddArg(y)
  3848  		return true
  3849  	}
  3850  }
  3851  func rewriteValueS390X_OpMod8(v *Value, config *Config) bool {
  3852  	b := v.Block
  3853  	_ = b
  3854  	// match: (Mod8   x y)
  3855  	// cond:
  3856  	// result: (MODW  (MOVBreg x) (MOVBreg y))
  3857  	for {
  3858  		x := v.Args[0]
  3859  		y := v.Args[1]
  3860  		v.reset(OpS390XMODW)
  3861  		v0 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  3862  		v0.AddArg(x)
  3863  		v.AddArg(v0)
  3864  		v1 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  3865  		v1.AddArg(y)
  3866  		v.AddArg(v1)
  3867  		return true
  3868  	}
  3869  }
  3870  func rewriteValueS390X_OpMod8u(v *Value, config *Config) bool {
  3871  	b := v.Block
  3872  	_ = b
  3873  	// match: (Mod8u  x y)
  3874  	// cond:
  3875  	// result: (MODWU (MOVBZreg x) (MOVBZreg y))
  3876  	for {
  3877  		x := v.Args[0]
  3878  		y := v.Args[1]
  3879  		v.reset(OpS390XMODWU)
  3880  		v0 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3881  		v0.AddArg(x)
  3882  		v.AddArg(v0)
  3883  		v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3884  		v1.AddArg(y)
  3885  		v.AddArg(v1)
  3886  		return true
  3887  	}
  3888  }
  3889  func rewriteValueS390X_OpMove(v *Value, config *Config) bool {
  3890  	b := v.Block
  3891  	_ = b
  3892  	// match: (Move [s] _ _ mem)
  3893  	// cond: SizeAndAlign(s).Size() == 0
  3894  	// result: mem
  3895  	for {
  3896  		s := v.AuxInt
  3897  		mem := v.Args[2]
  3898  		if !(SizeAndAlign(s).Size() == 0) {
  3899  			break
  3900  		}
  3901  		v.reset(OpCopy)
  3902  		v.Type = mem.Type
  3903  		v.AddArg(mem)
  3904  		return true
  3905  	}
  3906  	// match: (Move [s] dst src mem)
  3907  	// cond: SizeAndAlign(s).Size() == 1
  3908  	// result: (MOVBstore dst (MOVBZload src mem) mem)
  3909  	for {
  3910  		s := v.AuxInt
  3911  		dst := v.Args[0]
  3912  		src := v.Args[1]
  3913  		mem := v.Args[2]
  3914  		if !(SizeAndAlign(s).Size() == 1) {
  3915  			break
  3916  		}
  3917  		v.reset(OpS390XMOVBstore)
  3918  		v.AddArg(dst)
  3919  		v0 := b.NewValue0(v.Line, OpS390XMOVBZload, config.fe.TypeUInt8())
  3920  		v0.AddArg(src)
  3921  		v0.AddArg(mem)
  3922  		v.AddArg(v0)
  3923  		v.AddArg(mem)
  3924  		return true
  3925  	}
  3926  	// match: (Move [s] dst src mem)
  3927  	// cond: SizeAndAlign(s).Size() == 2
  3928  	// result: (MOVHstore dst (MOVHZload src mem) mem)
  3929  	for {
  3930  		s := v.AuxInt
  3931  		dst := v.Args[0]
  3932  		src := v.Args[1]
  3933  		mem := v.Args[2]
  3934  		if !(SizeAndAlign(s).Size() == 2) {
  3935  			break
  3936  		}
  3937  		v.reset(OpS390XMOVHstore)
  3938  		v.AddArg(dst)
  3939  		v0 := b.NewValue0(v.Line, OpS390XMOVHZload, config.fe.TypeUInt16())
  3940  		v0.AddArg(src)
  3941  		v0.AddArg(mem)
  3942  		v.AddArg(v0)
  3943  		v.AddArg(mem)
  3944  		return true
  3945  	}
  3946  	// match: (Move [s] dst src mem)
  3947  	// cond: SizeAndAlign(s).Size() == 4
  3948  	// result: (MOVWstore dst (MOVWZload src mem) mem)
  3949  	for {
  3950  		s := v.AuxInt
  3951  		dst := v.Args[0]
  3952  		src := v.Args[1]
  3953  		mem := v.Args[2]
  3954  		if !(SizeAndAlign(s).Size() == 4) {
  3955  			break
  3956  		}
  3957  		v.reset(OpS390XMOVWstore)
  3958  		v.AddArg(dst)
  3959  		v0 := b.NewValue0(v.Line, OpS390XMOVWZload, config.fe.TypeUInt32())
  3960  		v0.AddArg(src)
  3961  		v0.AddArg(mem)
  3962  		v.AddArg(v0)
  3963  		v.AddArg(mem)
  3964  		return true
  3965  	}
  3966  	// match: (Move [s] dst src mem)
  3967  	// cond: SizeAndAlign(s).Size() == 8
  3968  	// result: (MOVDstore dst (MOVDload src mem) mem)
  3969  	for {
  3970  		s := v.AuxInt
  3971  		dst := v.Args[0]
  3972  		src := v.Args[1]
  3973  		mem := v.Args[2]
  3974  		if !(SizeAndAlign(s).Size() == 8) {
  3975  			break
  3976  		}
  3977  		v.reset(OpS390XMOVDstore)
  3978  		v.AddArg(dst)
  3979  		v0 := b.NewValue0(v.Line, OpS390XMOVDload, config.fe.TypeUInt64())
  3980  		v0.AddArg(src)
  3981  		v0.AddArg(mem)
  3982  		v.AddArg(v0)
  3983  		v.AddArg(mem)
  3984  		return true
  3985  	}
  3986  	// match: (Move [s] dst src mem)
  3987  	// cond: SizeAndAlign(s).Size() == 16
  3988  	// result: (MOVDstore [8] dst (MOVDload [8] src mem) 		(MOVDstore dst (MOVDload src mem) mem))
  3989  	for {
  3990  		s := v.AuxInt
  3991  		dst := v.Args[0]
  3992  		src := v.Args[1]
  3993  		mem := v.Args[2]
  3994  		if !(SizeAndAlign(s).Size() == 16) {
  3995  			break
  3996  		}
  3997  		v.reset(OpS390XMOVDstore)
  3998  		v.AuxInt = 8
  3999  		v.AddArg(dst)
  4000  		v0 := b.NewValue0(v.Line, OpS390XMOVDload, config.fe.TypeUInt64())
  4001  		v0.AuxInt = 8
  4002  		v0.AddArg(src)
  4003  		v0.AddArg(mem)
  4004  		v.AddArg(v0)
  4005  		v1 := b.NewValue0(v.Line, OpS390XMOVDstore, TypeMem)
  4006  		v1.AddArg(dst)
  4007  		v2 := b.NewValue0(v.Line, OpS390XMOVDload, config.fe.TypeUInt64())
  4008  		v2.AddArg(src)
  4009  		v2.AddArg(mem)
  4010  		v1.AddArg(v2)
  4011  		v1.AddArg(mem)
  4012  		v.AddArg(v1)
  4013  		return true
  4014  	}
  4015  	// match: (Move [s] dst src mem)
  4016  	// cond: SizeAndAlign(s).Size() == 24
  4017  	// result: (MOVDstore [16] dst (MOVDload [16] src mem) 	        (MOVDstore [8] dst (MOVDload [8] src mem)                 (MOVDstore dst (MOVDload src mem) mem)))
  4018  	for {
  4019  		s := v.AuxInt
  4020  		dst := v.Args[0]
  4021  		src := v.Args[1]
  4022  		mem := v.Args[2]
  4023  		if !(SizeAndAlign(s).Size() == 24) {
  4024  			break
  4025  		}
  4026  		v.reset(OpS390XMOVDstore)
  4027  		v.AuxInt = 16
  4028  		v.AddArg(dst)
  4029  		v0 := b.NewValue0(v.Line, OpS390XMOVDload, config.fe.TypeUInt64())
  4030  		v0.AuxInt = 16
  4031  		v0.AddArg(src)
  4032  		v0.AddArg(mem)
  4033  		v.AddArg(v0)
  4034  		v1 := b.NewValue0(v.Line, OpS390XMOVDstore, TypeMem)
  4035  		v1.AuxInt = 8
  4036  		v1.AddArg(dst)
  4037  		v2 := b.NewValue0(v.Line, OpS390XMOVDload, config.fe.TypeUInt64())
  4038  		v2.AuxInt = 8
  4039  		v2.AddArg(src)
  4040  		v2.AddArg(mem)
  4041  		v1.AddArg(v2)
  4042  		v3 := b.NewValue0(v.Line, OpS390XMOVDstore, TypeMem)
  4043  		v3.AddArg(dst)
  4044  		v4 := b.NewValue0(v.Line, OpS390XMOVDload, config.fe.TypeUInt64())
  4045  		v4.AddArg(src)
  4046  		v4.AddArg(mem)
  4047  		v3.AddArg(v4)
  4048  		v3.AddArg(mem)
  4049  		v1.AddArg(v3)
  4050  		v.AddArg(v1)
  4051  		return true
  4052  	}
  4053  	// match: (Move [s] dst src mem)
  4054  	// cond: SizeAndAlign(s).Size() == 3
  4055  	// result: (MOVBstore [2] dst (MOVBZload [2] src mem) 		(MOVHstore dst (MOVHZload src mem) mem))
  4056  	for {
  4057  		s := v.AuxInt
  4058  		dst := v.Args[0]
  4059  		src := v.Args[1]
  4060  		mem := v.Args[2]
  4061  		if !(SizeAndAlign(s).Size() == 3) {
  4062  			break
  4063  		}
  4064  		v.reset(OpS390XMOVBstore)
  4065  		v.AuxInt = 2
  4066  		v.AddArg(dst)
  4067  		v0 := b.NewValue0(v.Line, OpS390XMOVBZload, config.fe.TypeUInt8())
  4068  		v0.AuxInt = 2
  4069  		v0.AddArg(src)
  4070  		v0.AddArg(mem)
  4071  		v.AddArg(v0)
  4072  		v1 := b.NewValue0(v.Line, OpS390XMOVHstore, TypeMem)
  4073  		v1.AddArg(dst)
  4074  		v2 := b.NewValue0(v.Line, OpS390XMOVHZload, config.fe.TypeUInt16())
  4075  		v2.AddArg(src)
  4076  		v2.AddArg(mem)
  4077  		v1.AddArg(v2)
  4078  		v1.AddArg(mem)
  4079  		v.AddArg(v1)
  4080  		return true
  4081  	}
  4082  	// match: (Move [s] dst src mem)
  4083  	// cond: SizeAndAlign(s).Size() == 5
  4084  	// result: (MOVBstore [4] dst (MOVBZload [4] src mem) 		(MOVWstore dst (MOVWZload src mem) mem))
  4085  	for {
  4086  		s := v.AuxInt
  4087  		dst := v.Args[0]
  4088  		src := v.Args[1]
  4089  		mem := v.Args[2]
  4090  		if !(SizeAndAlign(s).Size() == 5) {
  4091  			break
  4092  		}
  4093  		v.reset(OpS390XMOVBstore)
  4094  		v.AuxInt = 4
  4095  		v.AddArg(dst)
  4096  		v0 := b.NewValue0(v.Line, OpS390XMOVBZload, config.fe.TypeUInt8())
  4097  		v0.AuxInt = 4
  4098  		v0.AddArg(src)
  4099  		v0.AddArg(mem)
  4100  		v.AddArg(v0)
  4101  		v1 := b.NewValue0(v.Line, OpS390XMOVWstore, TypeMem)
  4102  		v1.AddArg(dst)
  4103  		v2 := b.NewValue0(v.Line, OpS390XMOVWZload, config.fe.TypeUInt32())
  4104  		v2.AddArg(src)
  4105  		v2.AddArg(mem)
  4106  		v1.AddArg(v2)
  4107  		v1.AddArg(mem)
  4108  		v.AddArg(v1)
  4109  		return true
  4110  	}
  4111  	// match: (Move [s] dst src mem)
  4112  	// cond: SizeAndAlign(s).Size() == 6
  4113  	// result: (MOVHstore [4] dst (MOVHZload [4] src mem) 		(MOVWstore dst (MOVWZload src mem) mem))
  4114  	for {
  4115  		s := v.AuxInt
  4116  		dst := v.Args[0]
  4117  		src := v.Args[1]
  4118  		mem := v.Args[2]
  4119  		if !(SizeAndAlign(s).Size() == 6) {
  4120  			break
  4121  		}
  4122  		v.reset(OpS390XMOVHstore)
  4123  		v.AuxInt = 4
  4124  		v.AddArg(dst)
  4125  		v0 := b.NewValue0(v.Line, OpS390XMOVHZload, config.fe.TypeUInt16())
  4126  		v0.AuxInt = 4
  4127  		v0.AddArg(src)
  4128  		v0.AddArg(mem)
  4129  		v.AddArg(v0)
  4130  		v1 := b.NewValue0(v.Line, OpS390XMOVWstore, TypeMem)
  4131  		v1.AddArg(dst)
  4132  		v2 := b.NewValue0(v.Line, OpS390XMOVWZload, config.fe.TypeUInt32())
  4133  		v2.AddArg(src)
  4134  		v2.AddArg(mem)
  4135  		v1.AddArg(v2)
  4136  		v1.AddArg(mem)
  4137  		v.AddArg(v1)
  4138  		return true
  4139  	}
  4140  	// match: (Move [s] dst src mem)
  4141  	// cond: SizeAndAlign(s).Size() == 7
  4142  	// result: (MOVBstore [6] dst (MOVBZload [6] src mem) 		(MOVHstore [4] dst (MOVHZload [4] src mem) 			(MOVWstore dst (MOVWZload src mem) mem)))
  4143  	for {
  4144  		s := v.AuxInt
  4145  		dst := v.Args[0]
  4146  		src := v.Args[1]
  4147  		mem := v.Args[2]
  4148  		if !(SizeAndAlign(s).Size() == 7) {
  4149  			break
  4150  		}
  4151  		v.reset(OpS390XMOVBstore)
  4152  		v.AuxInt = 6
  4153  		v.AddArg(dst)
  4154  		v0 := b.NewValue0(v.Line, OpS390XMOVBZload, config.fe.TypeUInt8())
  4155  		v0.AuxInt = 6
  4156  		v0.AddArg(src)
  4157  		v0.AddArg(mem)
  4158  		v.AddArg(v0)
  4159  		v1 := b.NewValue0(v.Line, OpS390XMOVHstore, TypeMem)
  4160  		v1.AuxInt = 4
  4161  		v1.AddArg(dst)
  4162  		v2 := b.NewValue0(v.Line, OpS390XMOVHZload, config.fe.TypeUInt16())
  4163  		v2.AuxInt = 4
  4164  		v2.AddArg(src)
  4165  		v2.AddArg(mem)
  4166  		v1.AddArg(v2)
  4167  		v3 := b.NewValue0(v.Line, OpS390XMOVWstore, TypeMem)
  4168  		v3.AddArg(dst)
  4169  		v4 := b.NewValue0(v.Line, OpS390XMOVWZload, config.fe.TypeUInt32())
  4170  		v4.AddArg(src)
  4171  		v4.AddArg(mem)
  4172  		v3.AddArg(v4)
  4173  		v3.AddArg(mem)
  4174  		v1.AddArg(v3)
  4175  		v.AddArg(v1)
  4176  		return true
  4177  	}
  4178  	// match: (Move [s] dst src mem)
  4179  	// cond: SizeAndAlign(s).Size() > 0 && SizeAndAlign(s).Size() <= 256
  4180  	// result: (MVC [makeValAndOff(SizeAndAlign(s).Size(), 0)] dst src mem)
  4181  	for {
  4182  		s := v.AuxInt
  4183  		dst := v.Args[0]
  4184  		src := v.Args[1]
  4185  		mem := v.Args[2]
  4186  		if !(SizeAndAlign(s).Size() > 0 && SizeAndAlign(s).Size() <= 256) {
  4187  			break
  4188  		}
  4189  		v.reset(OpS390XMVC)
  4190  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size(), 0)
  4191  		v.AddArg(dst)
  4192  		v.AddArg(src)
  4193  		v.AddArg(mem)
  4194  		return true
  4195  	}
  4196  	// match: (Move [s] dst src mem)
  4197  	// cond: SizeAndAlign(s).Size() > 256 && SizeAndAlign(s).Size() <= 512
  4198  	// result: (MVC [makeValAndOff(SizeAndAlign(s).Size()-256, 256)] dst src (MVC [makeValAndOff(256, 0)] dst src mem))
  4199  	for {
  4200  		s := v.AuxInt
  4201  		dst := v.Args[0]
  4202  		src := v.Args[1]
  4203  		mem := v.Args[2]
  4204  		if !(SizeAndAlign(s).Size() > 256 && SizeAndAlign(s).Size() <= 512) {
  4205  			break
  4206  		}
  4207  		v.reset(OpS390XMVC)
  4208  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size()-256, 256)
  4209  		v.AddArg(dst)
  4210  		v.AddArg(src)
  4211  		v0 := b.NewValue0(v.Line, OpS390XMVC, TypeMem)
  4212  		v0.AuxInt = makeValAndOff(256, 0)
  4213  		v0.AddArg(dst)
  4214  		v0.AddArg(src)
  4215  		v0.AddArg(mem)
  4216  		v.AddArg(v0)
  4217  		return true
  4218  	}
  4219  	// match: (Move [s] dst src mem)
  4220  	// cond: SizeAndAlign(s).Size() > 512 && SizeAndAlign(s).Size() <= 768
  4221  	// result: (MVC [makeValAndOff(SizeAndAlign(s).Size()-512, 512)] dst src (MVC [makeValAndOff(256, 256)] dst src (MVC [makeValAndOff(256, 0)] dst src mem)))
  4222  	for {
  4223  		s := v.AuxInt
  4224  		dst := v.Args[0]
  4225  		src := v.Args[1]
  4226  		mem := v.Args[2]
  4227  		if !(SizeAndAlign(s).Size() > 512 && SizeAndAlign(s).Size() <= 768) {
  4228  			break
  4229  		}
  4230  		v.reset(OpS390XMVC)
  4231  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size()-512, 512)
  4232  		v.AddArg(dst)
  4233  		v.AddArg(src)
  4234  		v0 := b.NewValue0(v.Line, OpS390XMVC, TypeMem)
  4235  		v0.AuxInt = makeValAndOff(256, 256)
  4236  		v0.AddArg(dst)
  4237  		v0.AddArg(src)
  4238  		v1 := b.NewValue0(v.Line, OpS390XMVC, TypeMem)
  4239  		v1.AuxInt = makeValAndOff(256, 0)
  4240  		v1.AddArg(dst)
  4241  		v1.AddArg(src)
  4242  		v1.AddArg(mem)
  4243  		v0.AddArg(v1)
  4244  		v.AddArg(v0)
  4245  		return true
  4246  	}
  4247  	// match: (Move [s] dst src mem)
  4248  	// cond: SizeAndAlign(s).Size() > 768 && SizeAndAlign(s).Size() <= 1024
  4249  	// 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))))
  4250  	for {
  4251  		s := v.AuxInt
  4252  		dst := v.Args[0]
  4253  		src := v.Args[1]
  4254  		mem := v.Args[2]
  4255  		if !(SizeAndAlign(s).Size() > 768 && SizeAndAlign(s).Size() <= 1024) {
  4256  			break
  4257  		}
  4258  		v.reset(OpS390XMVC)
  4259  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size()-768, 768)
  4260  		v.AddArg(dst)
  4261  		v.AddArg(src)
  4262  		v0 := b.NewValue0(v.Line, OpS390XMVC, TypeMem)
  4263  		v0.AuxInt = makeValAndOff(256, 512)
  4264  		v0.AddArg(dst)
  4265  		v0.AddArg(src)
  4266  		v1 := b.NewValue0(v.Line, OpS390XMVC, TypeMem)
  4267  		v1.AuxInt = makeValAndOff(256, 256)
  4268  		v1.AddArg(dst)
  4269  		v1.AddArg(src)
  4270  		v2 := b.NewValue0(v.Line, OpS390XMVC, TypeMem)
  4271  		v2.AuxInt = makeValAndOff(256, 0)
  4272  		v2.AddArg(dst)
  4273  		v2.AddArg(src)
  4274  		v2.AddArg(mem)
  4275  		v1.AddArg(v2)
  4276  		v0.AddArg(v1)
  4277  		v.AddArg(v0)
  4278  		return true
  4279  	}
  4280  	// match: (Move [s] dst src mem)
  4281  	// cond: SizeAndAlign(s).Size() > 1024
  4282  	// result: (LoweredMove [SizeAndAlign(s).Size()%256] dst src (ADDconst <src.Type> src [(SizeAndAlign(s).Size()/256)*256]) mem)
  4283  	for {
  4284  		s := v.AuxInt
  4285  		dst := v.Args[0]
  4286  		src := v.Args[1]
  4287  		mem := v.Args[2]
  4288  		if !(SizeAndAlign(s).Size() > 1024) {
  4289  			break
  4290  		}
  4291  		v.reset(OpS390XLoweredMove)
  4292  		v.AuxInt = SizeAndAlign(s).Size() % 256
  4293  		v.AddArg(dst)
  4294  		v.AddArg(src)
  4295  		v0 := b.NewValue0(v.Line, OpS390XADDconst, src.Type)
  4296  		v0.AuxInt = (SizeAndAlign(s).Size() / 256) * 256
  4297  		v0.AddArg(src)
  4298  		v.AddArg(v0)
  4299  		v.AddArg(mem)
  4300  		return true
  4301  	}
  4302  	return false
  4303  }
  4304  func rewriteValueS390X_OpMul16(v *Value, config *Config) bool {
  4305  	b := v.Block
  4306  	_ = b
  4307  	// match: (Mul16  x y)
  4308  	// cond:
  4309  	// result: (MULLW  x y)
  4310  	for {
  4311  		x := v.Args[0]
  4312  		y := v.Args[1]
  4313  		v.reset(OpS390XMULLW)
  4314  		v.AddArg(x)
  4315  		v.AddArg(y)
  4316  		return true
  4317  	}
  4318  }
  4319  func rewriteValueS390X_OpMul32(v *Value, config *Config) bool {
  4320  	b := v.Block
  4321  	_ = b
  4322  	// match: (Mul32  x y)
  4323  	// cond:
  4324  	// result: (MULLW  x y)
  4325  	for {
  4326  		x := v.Args[0]
  4327  		y := v.Args[1]
  4328  		v.reset(OpS390XMULLW)
  4329  		v.AddArg(x)
  4330  		v.AddArg(y)
  4331  		return true
  4332  	}
  4333  }
  4334  func rewriteValueS390X_OpMul32F(v *Value, config *Config) bool {
  4335  	b := v.Block
  4336  	_ = b
  4337  	// match: (Mul32F x y)
  4338  	// cond:
  4339  	// result: (FMULS x y)
  4340  	for {
  4341  		x := v.Args[0]
  4342  		y := v.Args[1]
  4343  		v.reset(OpS390XFMULS)
  4344  		v.AddArg(x)
  4345  		v.AddArg(y)
  4346  		return true
  4347  	}
  4348  }
  4349  func rewriteValueS390X_OpMul64(v *Value, config *Config) bool {
  4350  	b := v.Block
  4351  	_ = b
  4352  	// match: (Mul64  x y)
  4353  	// cond:
  4354  	// result: (MULLD  x y)
  4355  	for {
  4356  		x := v.Args[0]
  4357  		y := v.Args[1]
  4358  		v.reset(OpS390XMULLD)
  4359  		v.AddArg(x)
  4360  		v.AddArg(y)
  4361  		return true
  4362  	}
  4363  }
  4364  func rewriteValueS390X_OpMul64F(v *Value, config *Config) bool {
  4365  	b := v.Block
  4366  	_ = b
  4367  	// match: (Mul64F x y)
  4368  	// cond:
  4369  	// result: (FMUL x y)
  4370  	for {
  4371  		x := v.Args[0]
  4372  		y := v.Args[1]
  4373  		v.reset(OpS390XFMUL)
  4374  		v.AddArg(x)
  4375  		v.AddArg(y)
  4376  		return true
  4377  	}
  4378  }
  4379  func rewriteValueS390X_OpMul8(v *Value, config *Config) bool {
  4380  	b := v.Block
  4381  	_ = b
  4382  	// match: (Mul8   x y)
  4383  	// cond:
  4384  	// result: (MULLW  x y)
  4385  	for {
  4386  		x := v.Args[0]
  4387  		y := v.Args[1]
  4388  		v.reset(OpS390XMULLW)
  4389  		v.AddArg(x)
  4390  		v.AddArg(y)
  4391  		return true
  4392  	}
  4393  }
  4394  func rewriteValueS390X_OpNeg16(v *Value, config *Config) bool {
  4395  	b := v.Block
  4396  	_ = b
  4397  	// match: (Neg16  x)
  4398  	// cond:
  4399  	// result: (NEGW (MOVHreg x))
  4400  	for {
  4401  		x := v.Args[0]
  4402  		v.reset(OpS390XNEGW)
  4403  		v0 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  4404  		v0.AddArg(x)
  4405  		v.AddArg(v0)
  4406  		return true
  4407  	}
  4408  }
  4409  func rewriteValueS390X_OpNeg32(v *Value, config *Config) bool {
  4410  	b := v.Block
  4411  	_ = b
  4412  	// match: (Neg32  x)
  4413  	// cond:
  4414  	// result: (NEGW x)
  4415  	for {
  4416  		x := v.Args[0]
  4417  		v.reset(OpS390XNEGW)
  4418  		v.AddArg(x)
  4419  		return true
  4420  	}
  4421  }
  4422  func rewriteValueS390X_OpNeg32F(v *Value, config *Config) bool {
  4423  	b := v.Block
  4424  	_ = b
  4425  	// match: (Neg32F x)
  4426  	// cond:
  4427  	// result: (FNEGS x)
  4428  	for {
  4429  		x := v.Args[0]
  4430  		v.reset(OpS390XFNEGS)
  4431  		v.AddArg(x)
  4432  		return true
  4433  	}
  4434  }
  4435  func rewriteValueS390X_OpNeg64(v *Value, config *Config) bool {
  4436  	b := v.Block
  4437  	_ = b
  4438  	// match: (Neg64  x)
  4439  	// cond:
  4440  	// result: (NEG x)
  4441  	for {
  4442  		x := v.Args[0]
  4443  		v.reset(OpS390XNEG)
  4444  		v.AddArg(x)
  4445  		return true
  4446  	}
  4447  }
  4448  func rewriteValueS390X_OpNeg64F(v *Value, config *Config) bool {
  4449  	b := v.Block
  4450  	_ = b
  4451  	// match: (Neg64F x)
  4452  	// cond:
  4453  	// result: (FNEG x)
  4454  	for {
  4455  		x := v.Args[0]
  4456  		v.reset(OpS390XFNEG)
  4457  		v.AddArg(x)
  4458  		return true
  4459  	}
  4460  }
  4461  func rewriteValueS390X_OpNeg8(v *Value, config *Config) bool {
  4462  	b := v.Block
  4463  	_ = b
  4464  	// match: (Neg8   x)
  4465  	// cond:
  4466  	// result: (NEGW (MOVBreg x))
  4467  	for {
  4468  		x := v.Args[0]
  4469  		v.reset(OpS390XNEGW)
  4470  		v0 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  4471  		v0.AddArg(x)
  4472  		v.AddArg(v0)
  4473  		return true
  4474  	}
  4475  }
  4476  func rewriteValueS390X_OpNeq16(v *Value, config *Config) bool {
  4477  	b := v.Block
  4478  	_ = b
  4479  	// match: (Neq16  x y)
  4480  	// cond:
  4481  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  4482  	for {
  4483  		x := v.Args[0]
  4484  		y := v.Args[1]
  4485  		v.reset(OpS390XMOVDNE)
  4486  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4487  		v0.AuxInt = 0
  4488  		v.AddArg(v0)
  4489  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4490  		v1.AuxInt = 1
  4491  		v.AddArg(v1)
  4492  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  4493  		v3 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  4494  		v3.AddArg(x)
  4495  		v2.AddArg(v3)
  4496  		v4 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  4497  		v4.AddArg(y)
  4498  		v2.AddArg(v4)
  4499  		v.AddArg(v2)
  4500  		return true
  4501  	}
  4502  }
  4503  func rewriteValueS390X_OpNeq32(v *Value, config *Config) bool {
  4504  	b := v.Block
  4505  	_ = b
  4506  	// match: (Neq32  x y)
  4507  	// cond:
  4508  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  4509  	for {
  4510  		x := v.Args[0]
  4511  		y := v.Args[1]
  4512  		v.reset(OpS390XMOVDNE)
  4513  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4514  		v0.AuxInt = 0
  4515  		v.AddArg(v0)
  4516  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4517  		v1.AuxInt = 1
  4518  		v.AddArg(v1)
  4519  		v2 := b.NewValue0(v.Line, OpS390XCMPW, TypeFlags)
  4520  		v2.AddArg(x)
  4521  		v2.AddArg(y)
  4522  		v.AddArg(v2)
  4523  		return true
  4524  	}
  4525  }
  4526  func rewriteValueS390X_OpNeq32F(v *Value, config *Config) bool {
  4527  	b := v.Block
  4528  	_ = b
  4529  	// match: (Neq32F x y)
  4530  	// cond:
  4531  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (FCMPS x y))
  4532  	for {
  4533  		x := v.Args[0]
  4534  		y := v.Args[1]
  4535  		v.reset(OpS390XMOVDNE)
  4536  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4537  		v0.AuxInt = 0
  4538  		v.AddArg(v0)
  4539  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4540  		v1.AuxInt = 1
  4541  		v.AddArg(v1)
  4542  		v2 := b.NewValue0(v.Line, OpS390XFCMPS, TypeFlags)
  4543  		v2.AddArg(x)
  4544  		v2.AddArg(y)
  4545  		v.AddArg(v2)
  4546  		return true
  4547  	}
  4548  }
  4549  func rewriteValueS390X_OpNeq64(v *Value, config *Config) bool {
  4550  	b := v.Block
  4551  	_ = b
  4552  	// match: (Neq64  x y)
  4553  	// cond:
  4554  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  4555  	for {
  4556  		x := v.Args[0]
  4557  		y := v.Args[1]
  4558  		v.reset(OpS390XMOVDNE)
  4559  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4560  		v0.AuxInt = 0
  4561  		v.AddArg(v0)
  4562  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4563  		v1.AuxInt = 1
  4564  		v.AddArg(v1)
  4565  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  4566  		v2.AddArg(x)
  4567  		v2.AddArg(y)
  4568  		v.AddArg(v2)
  4569  		return true
  4570  	}
  4571  }
  4572  func rewriteValueS390X_OpNeq64F(v *Value, config *Config) bool {
  4573  	b := v.Block
  4574  	_ = b
  4575  	// match: (Neq64F x y)
  4576  	// cond:
  4577  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (FCMP x y))
  4578  	for {
  4579  		x := v.Args[0]
  4580  		y := v.Args[1]
  4581  		v.reset(OpS390XMOVDNE)
  4582  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4583  		v0.AuxInt = 0
  4584  		v.AddArg(v0)
  4585  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4586  		v1.AuxInt = 1
  4587  		v.AddArg(v1)
  4588  		v2 := b.NewValue0(v.Line, OpS390XFCMP, TypeFlags)
  4589  		v2.AddArg(x)
  4590  		v2.AddArg(y)
  4591  		v.AddArg(v2)
  4592  		return true
  4593  	}
  4594  }
  4595  func rewriteValueS390X_OpNeq8(v *Value, config *Config) bool {
  4596  	b := v.Block
  4597  	_ = b
  4598  	// match: (Neq8   x y)
  4599  	// cond:
  4600  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  4601  	for {
  4602  		x := v.Args[0]
  4603  		y := v.Args[1]
  4604  		v.reset(OpS390XMOVDNE)
  4605  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4606  		v0.AuxInt = 0
  4607  		v.AddArg(v0)
  4608  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4609  		v1.AuxInt = 1
  4610  		v.AddArg(v1)
  4611  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  4612  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  4613  		v3.AddArg(x)
  4614  		v2.AddArg(v3)
  4615  		v4 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  4616  		v4.AddArg(y)
  4617  		v2.AddArg(v4)
  4618  		v.AddArg(v2)
  4619  		return true
  4620  	}
  4621  }
  4622  func rewriteValueS390X_OpNeqB(v *Value, config *Config) bool {
  4623  	b := v.Block
  4624  	_ = b
  4625  	// match: (NeqB   x y)
  4626  	// cond:
  4627  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  4628  	for {
  4629  		x := v.Args[0]
  4630  		y := v.Args[1]
  4631  		v.reset(OpS390XMOVDNE)
  4632  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4633  		v0.AuxInt = 0
  4634  		v.AddArg(v0)
  4635  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4636  		v1.AuxInt = 1
  4637  		v.AddArg(v1)
  4638  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  4639  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  4640  		v3.AddArg(x)
  4641  		v2.AddArg(v3)
  4642  		v4 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  4643  		v4.AddArg(y)
  4644  		v2.AddArg(v4)
  4645  		v.AddArg(v2)
  4646  		return true
  4647  	}
  4648  }
  4649  func rewriteValueS390X_OpNeqPtr(v *Value, config *Config) bool {
  4650  	b := v.Block
  4651  	_ = b
  4652  	// match: (NeqPtr x y)
  4653  	// cond:
  4654  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  4655  	for {
  4656  		x := v.Args[0]
  4657  		y := v.Args[1]
  4658  		v.reset(OpS390XMOVDNE)
  4659  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4660  		v0.AuxInt = 0
  4661  		v.AddArg(v0)
  4662  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4663  		v1.AuxInt = 1
  4664  		v.AddArg(v1)
  4665  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  4666  		v2.AddArg(x)
  4667  		v2.AddArg(y)
  4668  		v.AddArg(v2)
  4669  		return true
  4670  	}
  4671  }
  4672  func rewriteValueS390X_OpNilCheck(v *Value, config *Config) bool {
  4673  	b := v.Block
  4674  	_ = b
  4675  	// match: (NilCheck ptr mem)
  4676  	// cond:
  4677  	// result: (LoweredNilCheck ptr mem)
  4678  	for {
  4679  		ptr := v.Args[0]
  4680  		mem := v.Args[1]
  4681  		v.reset(OpS390XLoweredNilCheck)
  4682  		v.AddArg(ptr)
  4683  		v.AddArg(mem)
  4684  		return true
  4685  	}
  4686  }
  4687  func rewriteValueS390X_OpNot(v *Value, config *Config) bool {
  4688  	b := v.Block
  4689  	_ = b
  4690  	// match: (Not x)
  4691  	// cond:
  4692  	// result: (XORWconst [1] x)
  4693  	for {
  4694  		x := v.Args[0]
  4695  		v.reset(OpS390XXORWconst)
  4696  		v.AuxInt = 1
  4697  		v.AddArg(x)
  4698  		return true
  4699  	}
  4700  }
  4701  func rewriteValueS390X_OpOffPtr(v *Value, config *Config) bool {
  4702  	b := v.Block
  4703  	_ = b
  4704  	// match: (OffPtr [off] ptr:(SP))
  4705  	// cond:
  4706  	// result: (MOVDaddr [off] ptr)
  4707  	for {
  4708  		off := v.AuxInt
  4709  		ptr := v.Args[0]
  4710  		if ptr.Op != OpSP {
  4711  			break
  4712  		}
  4713  		v.reset(OpS390XMOVDaddr)
  4714  		v.AuxInt = off
  4715  		v.AddArg(ptr)
  4716  		return true
  4717  	}
  4718  	// match: (OffPtr [off] ptr)
  4719  	// cond: is32Bit(off)
  4720  	// result: (ADDconst [off] ptr)
  4721  	for {
  4722  		off := v.AuxInt
  4723  		ptr := v.Args[0]
  4724  		if !(is32Bit(off)) {
  4725  			break
  4726  		}
  4727  		v.reset(OpS390XADDconst)
  4728  		v.AuxInt = off
  4729  		v.AddArg(ptr)
  4730  		return true
  4731  	}
  4732  	// match: (OffPtr [off] ptr)
  4733  	// cond:
  4734  	// result: (ADD (MOVDconst [off]) ptr)
  4735  	for {
  4736  		off := v.AuxInt
  4737  		ptr := v.Args[0]
  4738  		v.reset(OpS390XADD)
  4739  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4740  		v0.AuxInt = off
  4741  		v.AddArg(v0)
  4742  		v.AddArg(ptr)
  4743  		return true
  4744  	}
  4745  }
  4746  func rewriteValueS390X_OpOr16(v *Value, config *Config) bool {
  4747  	b := v.Block
  4748  	_ = b
  4749  	// match: (Or16 x y)
  4750  	// cond:
  4751  	// result: (ORW x y)
  4752  	for {
  4753  		x := v.Args[0]
  4754  		y := v.Args[1]
  4755  		v.reset(OpS390XORW)
  4756  		v.AddArg(x)
  4757  		v.AddArg(y)
  4758  		return true
  4759  	}
  4760  }
  4761  func rewriteValueS390X_OpOr32(v *Value, config *Config) bool {
  4762  	b := v.Block
  4763  	_ = b
  4764  	// match: (Or32 x y)
  4765  	// cond:
  4766  	// result: (ORW x y)
  4767  	for {
  4768  		x := v.Args[0]
  4769  		y := v.Args[1]
  4770  		v.reset(OpS390XORW)
  4771  		v.AddArg(x)
  4772  		v.AddArg(y)
  4773  		return true
  4774  	}
  4775  }
  4776  func rewriteValueS390X_OpOr64(v *Value, config *Config) bool {
  4777  	b := v.Block
  4778  	_ = b
  4779  	// match: (Or64 x y)
  4780  	// cond:
  4781  	// result: (OR x y)
  4782  	for {
  4783  		x := v.Args[0]
  4784  		y := v.Args[1]
  4785  		v.reset(OpS390XOR)
  4786  		v.AddArg(x)
  4787  		v.AddArg(y)
  4788  		return true
  4789  	}
  4790  }
  4791  func rewriteValueS390X_OpOr8(v *Value, config *Config) bool {
  4792  	b := v.Block
  4793  	_ = b
  4794  	// match: (Or8  x y)
  4795  	// cond:
  4796  	// result: (ORW x y)
  4797  	for {
  4798  		x := v.Args[0]
  4799  		y := v.Args[1]
  4800  		v.reset(OpS390XORW)
  4801  		v.AddArg(x)
  4802  		v.AddArg(y)
  4803  		return true
  4804  	}
  4805  }
  4806  func rewriteValueS390X_OpOrB(v *Value, config *Config) bool {
  4807  	b := v.Block
  4808  	_ = b
  4809  	// match: (OrB x y)
  4810  	// cond:
  4811  	// result: (ORW x y)
  4812  	for {
  4813  		x := v.Args[0]
  4814  		y := v.Args[1]
  4815  		v.reset(OpS390XORW)
  4816  		v.AddArg(x)
  4817  		v.AddArg(y)
  4818  		return true
  4819  	}
  4820  }
  4821  func rewriteValueS390X_OpRsh16Ux16(v *Value, config *Config) bool {
  4822  	b := v.Block
  4823  	_ = b
  4824  	// match: (Rsh16Ux16 <t> x y)
  4825  	// cond:
  4826  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [15])))
  4827  	for {
  4828  		t := v.Type
  4829  		x := v.Args[0]
  4830  		y := v.Args[1]
  4831  		v.reset(OpS390XANDW)
  4832  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  4833  		v1 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4834  		v1.AddArg(x)
  4835  		v0.AddArg(v1)
  4836  		v0.AddArg(y)
  4837  		v.AddArg(v0)
  4838  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  4839  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  4840  		v3.AuxInt = 15
  4841  		v4 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4842  		v4.AddArg(y)
  4843  		v3.AddArg(v4)
  4844  		v2.AddArg(v3)
  4845  		v.AddArg(v2)
  4846  		return true
  4847  	}
  4848  }
  4849  func rewriteValueS390X_OpRsh16Ux32(v *Value, config *Config) bool {
  4850  	b := v.Block
  4851  	_ = b
  4852  	// match: (Rsh16Ux32 <t> x y)
  4853  	// cond:
  4854  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPWUconst y [15])))
  4855  	for {
  4856  		t := v.Type
  4857  		x := v.Args[0]
  4858  		y := v.Args[1]
  4859  		v.reset(OpS390XANDW)
  4860  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  4861  		v1 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4862  		v1.AddArg(x)
  4863  		v0.AddArg(v1)
  4864  		v0.AddArg(y)
  4865  		v.AddArg(v0)
  4866  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  4867  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  4868  		v3.AuxInt = 15
  4869  		v3.AddArg(y)
  4870  		v2.AddArg(v3)
  4871  		v.AddArg(v2)
  4872  		return true
  4873  	}
  4874  }
  4875  func rewriteValueS390X_OpRsh16Ux64(v *Value, config *Config) bool {
  4876  	b := v.Block
  4877  	_ = b
  4878  	// match: (Rsh16Ux64 <t> x y)
  4879  	// cond:
  4880  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPUconst y [15])))
  4881  	for {
  4882  		t := v.Type
  4883  		x := v.Args[0]
  4884  		y := v.Args[1]
  4885  		v.reset(OpS390XANDW)
  4886  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  4887  		v1 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4888  		v1.AddArg(x)
  4889  		v0.AddArg(v1)
  4890  		v0.AddArg(y)
  4891  		v.AddArg(v0)
  4892  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  4893  		v3 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  4894  		v3.AuxInt = 15
  4895  		v3.AddArg(y)
  4896  		v2.AddArg(v3)
  4897  		v.AddArg(v2)
  4898  		return true
  4899  	}
  4900  }
  4901  func rewriteValueS390X_OpRsh16Ux8(v *Value, config *Config) bool {
  4902  	b := v.Block
  4903  	_ = b
  4904  	// match: (Rsh16Ux8  <t> x y)
  4905  	// cond:
  4906  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [15])))
  4907  	for {
  4908  		t := v.Type
  4909  		x := v.Args[0]
  4910  		y := v.Args[1]
  4911  		v.reset(OpS390XANDW)
  4912  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  4913  		v1 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4914  		v1.AddArg(x)
  4915  		v0.AddArg(v1)
  4916  		v0.AddArg(y)
  4917  		v.AddArg(v0)
  4918  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  4919  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  4920  		v3.AuxInt = 15
  4921  		v4 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  4922  		v4.AddArg(y)
  4923  		v3.AddArg(v4)
  4924  		v2.AddArg(v3)
  4925  		v.AddArg(v2)
  4926  		return true
  4927  	}
  4928  }
  4929  func rewriteValueS390X_OpRsh16x16(v *Value, config *Config) bool {
  4930  	b := v.Block
  4931  	_ = b
  4932  	// match: (Rsh16x16 <t> x y)
  4933  	// cond:
  4934  	// result: (SRAW <t> (MOVHreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [15])))))
  4935  	for {
  4936  		t := v.Type
  4937  		x := v.Args[0]
  4938  		y := v.Args[1]
  4939  		v.reset(OpS390XSRAW)
  4940  		v.Type = t
  4941  		v0 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  4942  		v0.AddArg(x)
  4943  		v.AddArg(v0)
  4944  		v1 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  4945  		v1.AddArg(y)
  4946  		v2 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  4947  		v3 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  4948  		v4 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  4949  		v4.AuxInt = 15
  4950  		v5 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4951  		v5.AddArg(y)
  4952  		v4.AddArg(v5)
  4953  		v3.AddArg(v4)
  4954  		v2.AddArg(v3)
  4955  		v1.AddArg(v2)
  4956  		v.AddArg(v1)
  4957  		return true
  4958  	}
  4959  }
  4960  func rewriteValueS390X_OpRsh16x32(v *Value, config *Config) bool {
  4961  	b := v.Block
  4962  	_ = b
  4963  	// match: (Rsh16x32 <t> x y)
  4964  	// cond:
  4965  	// result: (SRAW <t> (MOVHreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [15])))))
  4966  	for {
  4967  		t := v.Type
  4968  		x := v.Args[0]
  4969  		y := v.Args[1]
  4970  		v.reset(OpS390XSRAW)
  4971  		v.Type = t
  4972  		v0 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  4973  		v0.AddArg(x)
  4974  		v.AddArg(v0)
  4975  		v1 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  4976  		v1.AddArg(y)
  4977  		v2 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  4978  		v3 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  4979  		v4 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  4980  		v4.AuxInt = 15
  4981  		v4.AddArg(y)
  4982  		v3.AddArg(v4)
  4983  		v2.AddArg(v3)
  4984  		v1.AddArg(v2)
  4985  		v.AddArg(v1)
  4986  		return true
  4987  	}
  4988  }
  4989  func rewriteValueS390X_OpRsh16x64(v *Value, config *Config) bool {
  4990  	b := v.Block
  4991  	_ = b
  4992  	// match: (Rsh16x64 <t> x y)
  4993  	// cond:
  4994  	// result: (SRAW <t> (MOVHreg x) (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [15])))))
  4995  	for {
  4996  		t := v.Type
  4997  		x := v.Args[0]
  4998  		y := v.Args[1]
  4999  		v.reset(OpS390XSRAW)
  5000  		v.Type = t
  5001  		v0 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  5002  		v0.AddArg(x)
  5003  		v.AddArg(v0)
  5004  		v1 := b.NewValue0(v.Line, OpS390XOR, y.Type)
  5005  		v1.AddArg(y)
  5006  		v2 := b.NewValue0(v.Line, OpS390XNOT, y.Type)
  5007  		v3 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, y.Type)
  5008  		v4 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  5009  		v4.AuxInt = 15
  5010  		v4.AddArg(y)
  5011  		v3.AddArg(v4)
  5012  		v2.AddArg(v3)
  5013  		v1.AddArg(v2)
  5014  		v.AddArg(v1)
  5015  		return true
  5016  	}
  5017  }
  5018  func rewriteValueS390X_OpRsh16x8(v *Value, config *Config) bool {
  5019  	b := v.Block
  5020  	_ = b
  5021  	// match: (Rsh16x8  <t> x y)
  5022  	// cond:
  5023  	// result: (SRAW <t> (MOVHreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [15])))))
  5024  	for {
  5025  		t := v.Type
  5026  		x := v.Args[0]
  5027  		y := v.Args[1]
  5028  		v.reset(OpS390XSRAW)
  5029  		v.Type = t
  5030  		v0 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  5031  		v0.AddArg(x)
  5032  		v.AddArg(v0)
  5033  		v1 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5034  		v1.AddArg(y)
  5035  		v2 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5036  		v3 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5037  		v4 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5038  		v4.AuxInt = 15
  5039  		v5 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5040  		v5.AddArg(y)
  5041  		v4.AddArg(v5)
  5042  		v3.AddArg(v4)
  5043  		v2.AddArg(v3)
  5044  		v1.AddArg(v2)
  5045  		v.AddArg(v1)
  5046  		return true
  5047  	}
  5048  }
  5049  func rewriteValueS390X_OpRsh32Ux16(v *Value, config *Config) bool {
  5050  	b := v.Block
  5051  	_ = b
  5052  	// match: (Rsh32Ux16 <t> x y)
  5053  	// cond:
  5054  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  5055  	for {
  5056  		t := v.Type
  5057  		x := v.Args[0]
  5058  		y := v.Args[1]
  5059  		v.reset(OpS390XANDW)
  5060  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5061  		v0.AddArg(x)
  5062  		v0.AddArg(y)
  5063  		v.AddArg(v0)
  5064  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5065  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5066  		v2.AuxInt = 31
  5067  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5068  		v3.AddArg(y)
  5069  		v2.AddArg(v3)
  5070  		v1.AddArg(v2)
  5071  		v.AddArg(v1)
  5072  		return true
  5073  	}
  5074  }
  5075  func rewriteValueS390X_OpRsh32Ux32(v *Value, config *Config) bool {
  5076  	b := v.Block
  5077  	_ = b
  5078  	// match: (Rsh32Ux32 <t> x y)
  5079  	// cond:
  5080  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  5081  	for {
  5082  		t := v.Type
  5083  		x := v.Args[0]
  5084  		y := v.Args[1]
  5085  		v.reset(OpS390XANDW)
  5086  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5087  		v0.AddArg(x)
  5088  		v0.AddArg(y)
  5089  		v.AddArg(v0)
  5090  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5091  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5092  		v2.AuxInt = 31
  5093  		v2.AddArg(y)
  5094  		v1.AddArg(v2)
  5095  		v.AddArg(v1)
  5096  		return true
  5097  	}
  5098  }
  5099  func rewriteValueS390X_OpRsh32Ux64(v *Value, config *Config) bool {
  5100  	b := v.Block
  5101  	_ = b
  5102  	// match: (Rsh32Ux64 <t> x y)
  5103  	// cond:
  5104  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  5105  	for {
  5106  		t := v.Type
  5107  		x := v.Args[0]
  5108  		y := v.Args[1]
  5109  		v.reset(OpS390XANDW)
  5110  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5111  		v0.AddArg(x)
  5112  		v0.AddArg(y)
  5113  		v.AddArg(v0)
  5114  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5115  		v2 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  5116  		v2.AuxInt = 31
  5117  		v2.AddArg(y)
  5118  		v1.AddArg(v2)
  5119  		v.AddArg(v1)
  5120  		return true
  5121  	}
  5122  }
  5123  func rewriteValueS390X_OpRsh32Ux8(v *Value, config *Config) bool {
  5124  	b := v.Block
  5125  	_ = b
  5126  	// match: (Rsh32Ux8  <t> x y)
  5127  	// cond:
  5128  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  5129  	for {
  5130  		t := v.Type
  5131  		x := v.Args[0]
  5132  		y := v.Args[1]
  5133  		v.reset(OpS390XANDW)
  5134  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5135  		v0.AddArg(x)
  5136  		v0.AddArg(y)
  5137  		v.AddArg(v0)
  5138  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5139  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5140  		v2.AuxInt = 31
  5141  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5142  		v3.AddArg(y)
  5143  		v2.AddArg(v3)
  5144  		v1.AddArg(v2)
  5145  		v.AddArg(v1)
  5146  		return true
  5147  	}
  5148  }
  5149  func rewriteValueS390X_OpRsh32x16(v *Value, config *Config) bool {
  5150  	b := v.Block
  5151  	_ = b
  5152  	// match: (Rsh32x16 <t> x y)
  5153  	// cond:
  5154  	// result: (SRAW <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [31])))))
  5155  	for {
  5156  		t := v.Type
  5157  		x := v.Args[0]
  5158  		y := v.Args[1]
  5159  		v.reset(OpS390XSRAW)
  5160  		v.Type = t
  5161  		v.AddArg(x)
  5162  		v0 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5163  		v0.AddArg(y)
  5164  		v1 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5165  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5166  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5167  		v3.AuxInt = 31
  5168  		v4 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5169  		v4.AddArg(y)
  5170  		v3.AddArg(v4)
  5171  		v2.AddArg(v3)
  5172  		v1.AddArg(v2)
  5173  		v0.AddArg(v1)
  5174  		v.AddArg(v0)
  5175  		return true
  5176  	}
  5177  }
  5178  func rewriteValueS390X_OpRsh32x32(v *Value, config *Config) bool {
  5179  	b := v.Block
  5180  	_ = b
  5181  	// match: (Rsh32x32 <t> x y)
  5182  	// cond:
  5183  	// result: (SRAW <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [31])))))
  5184  	for {
  5185  		t := v.Type
  5186  		x := v.Args[0]
  5187  		y := v.Args[1]
  5188  		v.reset(OpS390XSRAW)
  5189  		v.Type = t
  5190  		v.AddArg(x)
  5191  		v0 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5192  		v0.AddArg(y)
  5193  		v1 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5194  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5195  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5196  		v3.AuxInt = 31
  5197  		v3.AddArg(y)
  5198  		v2.AddArg(v3)
  5199  		v1.AddArg(v2)
  5200  		v0.AddArg(v1)
  5201  		v.AddArg(v0)
  5202  		return true
  5203  	}
  5204  }
  5205  func rewriteValueS390X_OpRsh32x64(v *Value, config *Config) bool {
  5206  	b := v.Block
  5207  	_ = b
  5208  	// match: (Rsh32x64 <t> x y)
  5209  	// cond:
  5210  	// result: (SRAW <t> x (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [31])))))
  5211  	for {
  5212  		t := v.Type
  5213  		x := v.Args[0]
  5214  		y := v.Args[1]
  5215  		v.reset(OpS390XSRAW)
  5216  		v.Type = t
  5217  		v.AddArg(x)
  5218  		v0 := b.NewValue0(v.Line, OpS390XOR, y.Type)
  5219  		v0.AddArg(y)
  5220  		v1 := b.NewValue0(v.Line, OpS390XNOT, y.Type)
  5221  		v2 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, y.Type)
  5222  		v3 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  5223  		v3.AuxInt = 31
  5224  		v3.AddArg(y)
  5225  		v2.AddArg(v3)
  5226  		v1.AddArg(v2)
  5227  		v0.AddArg(v1)
  5228  		v.AddArg(v0)
  5229  		return true
  5230  	}
  5231  }
  5232  func rewriteValueS390X_OpRsh32x8(v *Value, config *Config) bool {
  5233  	b := v.Block
  5234  	_ = b
  5235  	// match: (Rsh32x8  <t> x y)
  5236  	// cond:
  5237  	// result: (SRAW <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [31])))))
  5238  	for {
  5239  		t := v.Type
  5240  		x := v.Args[0]
  5241  		y := v.Args[1]
  5242  		v.reset(OpS390XSRAW)
  5243  		v.Type = t
  5244  		v.AddArg(x)
  5245  		v0 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5246  		v0.AddArg(y)
  5247  		v1 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5248  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5249  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5250  		v3.AuxInt = 31
  5251  		v4 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5252  		v4.AddArg(y)
  5253  		v3.AddArg(v4)
  5254  		v2.AddArg(v3)
  5255  		v1.AddArg(v2)
  5256  		v0.AddArg(v1)
  5257  		v.AddArg(v0)
  5258  		return true
  5259  	}
  5260  }
  5261  func rewriteValueS390X_OpRsh64Ux16(v *Value, config *Config) bool {
  5262  	b := v.Block
  5263  	_ = b
  5264  	// match: (Rsh64Ux16 <t> x y)
  5265  	// cond:
  5266  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVHZreg y) [63])))
  5267  	for {
  5268  		t := v.Type
  5269  		x := v.Args[0]
  5270  		y := v.Args[1]
  5271  		v.reset(OpS390XAND)
  5272  		v0 := b.NewValue0(v.Line, OpS390XSRD, t)
  5273  		v0.AddArg(x)
  5274  		v0.AddArg(y)
  5275  		v.AddArg(v0)
  5276  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  5277  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5278  		v2.AuxInt = 63
  5279  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5280  		v3.AddArg(y)
  5281  		v2.AddArg(v3)
  5282  		v1.AddArg(v2)
  5283  		v.AddArg(v1)
  5284  		return true
  5285  	}
  5286  }
  5287  func rewriteValueS390X_OpRsh64Ux32(v *Value, config *Config) bool {
  5288  	b := v.Block
  5289  	_ = b
  5290  	// match: (Rsh64Ux32 <t> x y)
  5291  	// cond:
  5292  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPWUconst y [63])))
  5293  	for {
  5294  		t := v.Type
  5295  		x := v.Args[0]
  5296  		y := v.Args[1]
  5297  		v.reset(OpS390XAND)
  5298  		v0 := b.NewValue0(v.Line, OpS390XSRD, t)
  5299  		v0.AddArg(x)
  5300  		v0.AddArg(y)
  5301  		v.AddArg(v0)
  5302  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  5303  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5304  		v2.AuxInt = 63
  5305  		v2.AddArg(y)
  5306  		v1.AddArg(v2)
  5307  		v.AddArg(v1)
  5308  		return true
  5309  	}
  5310  }
  5311  func rewriteValueS390X_OpRsh64Ux64(v *Value, config *Config) bool {
  5312  	b := v.Block
  5313  	_ = b
  5314  	// match: (Rsh64Ux64 <t> x y)
  5315  	// cond:
  5316  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPUconst y [63])))
  5317  	for {
  5318  		t := v.Type
  5319  		x := v.Args[0]
  5320  		y := v.Args[1]
  5321  		v.reset(OpS390XAND)
  5322  		v0 := b.NewValue0(v.Line, OpS390XSRD, t)
  5323  		v0.AddArg(x)
  5324  		v0.AddArg(y)
  5325  		v.AddArg(v0)
  5326  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  5327  		v2 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  5328  		v2.AuxInt = 63
  5329  		v2.AddArg(y)
  5330  		v1.AddArg(v2)
  5331  		v.AddArg(v1)
  5332  		return true
  5333  	}
  5334  }
  5335  func rewriteValueS390X_OpRsh64Ux8(v *Value, config *Config) bool {
  5336  	b := v.Block
  5337  	_ = b
  5338  	// match: (Rsh64Ux8  <t> x y)
  5339  	// cond:
  5340  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVBZreg y) [63])))
  5341  	for {
  5342  		t := v.Type
  5343  		x := v.Args[0]
  5344  		y := v.Args[1]
  5345  		v.reset(OpS390XAND)
  5346  		v0 := b.NewValue0(v.Line, OpS390XSRD, t)
  5347  		v0.AddArg(x)
  5348  		v0.AddArg(y)
  5349  		v.AddArg(v0)
  5350  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  5351  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5352  		v2.AuxInt = 63
  5353  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5354  		v3.AddArg(y)
  5355  		v2.AddArg(v3)
  5356  		v1.AddArg(v2)
  5357  		v.AddArg(v1)
  5358  		return true
  5359  	}
  5360  }
  5361  func rewriteValueS390X_OpRsh64x16(v *Value, config *Config) bool {
  5362  	b := v.Block
  5363  	_ = b
  5364  	// match: (Rsh64x16 <t> x y)
  5365  	// cond:
  5366  	// result: (SRAD <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [63])))))
  5367  	for {
  5368  		t := v.Type
  5369  		x := v.Args[0]
  5370  		y := v.Args[1]
  5371  		v.reset(OpS390XSRAD)
  5372  		v.Type = t
  5373  		v.AddArg(x)
  5374  		v0 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5375  		v0.AddArg(y)
  5376  		v1 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5377  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5378  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5379  		v3.AuxInt = 63
  5380  		v4 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5381  		v4.AddArg(y)
  5382  		v3.AddArg(v4)
  5383  		v2.AddArg(v3)
  5384  		v1.AddArg(v2)
  5385  		v0.AddArg(v1)
  5386  		v.AddArg(v0)
  5387  		return true
  5388  	}
  5389  }
  5390  func rewriteValueS390X_OpRsh64x32(v *Value, config *Config) bool {
  5391  	b := v.Block
  5392  	_ = b
  5393  	// match: (Rsh64x32 <t> x y)
  5394  	// cond:
  5395  	// result: (SRAD <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [63])))))
  5396  	for {
  5397  		t := v.Type
  5398  		x := v.Args[0]
  5399  		y := v.Args[1]
  5400  		v.reset(OpS390XSRAD)
  5401  		v.Type = t
  5402  		v.AddArg(x)
  5403  		v0 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5404  		v0.AddArg(y)
  5405  		v1 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5406  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5407  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5408  		v3.AuxInt = 63
  5409  		v3.AddArg(y)
  5410  		v2.AddArg(v3)
  5411  		v1.AddArg(v2)
  5412  		v0.AddArg(v1)
  5413  		v.AddArg(v0)
  5414  		return true
  5415  	}
  5416  }
  5417  func rewriteValueS390X_OpRsh64x64(v *Value, config *Config) bool {
  5418  	b := v.Block
  5419  	_ = b
  5420  	// match: (Rsh64x64 <t> x y)
  5421  	// cond:
  5422  	// result: (SRAD <t> x (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [63])))))
  5423  	for {
  5424  		t := v.Type
  5425  		x := v.Args[0]
  5426  		y := v.Args[1]
  5427  		v.reset(OpS390XSRAD)
  5428  		v.Type = t
  5429  		v.AddArg(x)
  5430  		v0 := b.NewValue0(v.Line, OpS390XOR, y.Type)
  5431  		v0.AddArg(y)
  5432  		v1 := b.NewValue0(v.Line, OpS390XNOT, y.Type)
  5433  		v2 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, y.Type)
  5434  		v3 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  5435  		v3.AuxInt = 63
  5436  		v3.AddArg(y)
  5437  		v2.AddArg(v3)
  5438  		v1.AddArg(v2)
  5439  		v0.AddArg(v1)
  5440  		v.AddArg(v0)
  5441  		return true
  5442  	}
  5443  }
  5444  func rewriteValueS390X_OpRsh64x8(v *Value, config *Config) bool {
  5445  	b := v.Block
  5446  	_ = b
  5447  	// match: (Rsh64x8  <t> x y)
  5448  	// cond:
  5449  	// result: (SRAD <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [63])))))
  5450  	for {
  5451  		t := v.Type
  5452  		x := v.Args[0]
  5453  		y := v.Args[1]
  5454  		v.reset(OpS390XSRAD)
  5455  		v.Type = t
  5456  		v.AddArg(x)
  5457  		v0 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5458  		v0.AddArg(y)
  5459  		v1 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5460  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5461  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5462  		v3.AuxInt = 63
  5463  		v4 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5464  		v4.AddArg(y)
  5465  		v3.AddArg(v4)
  5466  		v2.AddArg(v3)
  5467  		v1.AddArg(v2)
  5468  		v0.AddArg(v1)
  5469  		v.AddArg(v0)
  5470  		return true
  5471  	}
  5472  }
  5473  func rewriteValueS390X_OpRsh8Ux16(v *Value, config *Config) bool {
  5474  	b := v.Block
  5475  	_ = b
  5476  	// match: (Rsh8Ux16 <t> x y)
  5477  	// cond:
  5478  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [7])))
  5479  	for {
  5480  		t := v.Type
  5481  		x := v.Args[0]
  5482  		y := v.Args[1]
  5483  		v.reset(OpS390XANDW)
  5484  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5485  		v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5486  		v1.AddArg(x)
  5487  		v0.AddArg(v1)
  5488  		v0.AddArg(y)
  5489  		v.AddArg(v0)
  5490  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5491  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5492  		v3.AuxInt = 7
  5493  		v4 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5494  		v4.AddArg(y)
  5495  		v3.AddArg(v4)
  5496  		v2.AddArg(v3)
  5497  		v.AddArg(v2)
  5498  		return true
  5499  	}
  5500  }
  5501  func rewriteValueS390X_OpRsh8Ux32(v *Value, config *Config) bool {
  5502  	b := v.Block
  5503  	_ = b
  5504  	// match: (Rsh8Ux32 <t> x y)
  5505  	// cond:
  5506  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPWUconst y [7])))
  5507  	for {
  5508  		t := v.Type
  5509  		x := v.Args[0]
  5510  		y := v.Args[1]
  5511  		v.reset(OpS390XANDW)
  5512  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5513  		v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5514  		v1.AddArg(x)
  5515  		v0.AddArg(v1)
  5516  		v0.AddArg(y)
  5517  		v.AddArg(v0)
  5518  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5519  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5520  		v3.AuxInt = 7
  5521  		v3.AddArg(y)
  5522  		v2.AddArg(v3)
  5523  		v.AddArg(v2)
  5524  		return true
  5525  	}
  5526  }
  5527  func rewriteValueS390X_OpRsh8Ux64(v *Value, config *Config) bool {
  5528  	b := v.Block
  5529  	_ = b
  5530  	// match: (Rsh8Ux64 <t> x y)
  5531  	// cond:
  5532  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPUconst y [7])))
  5533  	for {
  5534  		t := v.Type
  5535  		x := v.Args[0]
  5536  		y := v.Args[1]
  5537  		v.reset(OpS390XANDW)
  5538  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5539  		v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5540  		v1.AddArg(x)
  5541  		v0.AddArg(v1)
  5542  		v0.AddArg(y)
  5543  		v.AddArg(v0)
  5544  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5545  		v3 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  5546  		v3.AuxInt = 7
  5547  		v3.AddArg(y)
  5548  		v2.AddArg(v3)
  5549  		v.AddArg(v2)
  5550  		return true
  5551  	}
  5552  }
  5553  func rewriteValueS390X_OpRsh8Ux8(v *Value, config *Config) bool {
  5554  	b := v.Block
  5555  	_ = b
  5556  	// match: (Rsh8Ux8  <t> x y)
  5557  	// cond:
  5558  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [7])))
  5559  	for {
  5560  		t := v.Type
  5561  		x := v.Args[0]
  5562  		y := v.Args[1]
  5563  		v.reset(OpS390XANDW)
  5564  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5565  		v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5566  		v1.AddArg(x)
  5567  		v0.AddArg(v1)
  5568  		v0.AddArg(y)
  5569  		v.AddArg(v0)
  5570  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5571  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5572  		v3.AuxInt = 7
  5573  		v4 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5574  		v4.AddArg(y)
  5575  		v3.AddArg(v4)
  5576  		v2.AddArg(v3)
  5577  		v.AddArg(v2)
  5578  		return true
  5579  	}
  5580  }
  5581  func rewriteValueS390X_OpRsh8x16(v *Value, config *Config) bool {
  5582  	b := v.Block
  5583  	_ = b
  5584  	// match: (Rsh8x16 <t> x y)
  5585  	// cond:
  5586  	// result: (SRAW <t> (MOVBreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [7])))))
  5587  	for {
  5588  		t := v.Type
  5589  		x := v.Args[0]
  5590  		y := v.Args[1]
  5591  		v.reset(OpS390XSRAW)
  5592  		v.Type = t
  5593  		v0 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  5594  		v0.AddArg(x)
  5595  		v.AddArg(v0)
  5596  		v1 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5597  		v1.AddArg(y)
  5598  		v2 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5599  		v3 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5600  		v4 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5601  		v4.AuxInt = 7
  5602  		v5 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5603  		v5.AddArg(y)
  5604  		v4.AddArg(v5)
  5605  		v3.AddArg(v4)
  5606  		v2.AddArg(v3)
  5607  		v1.AddArg(v2)
  5608  		v.AddArg(v1)
  5609  		return true
  5610  	}
  5611  }
  5612  func rewriteValueS390X_OpRsh8x32(v *Value, config *Config) bool {
  5613  	b := v.Block
  5614  	_ = b
  5615  	// match: (Rsh8x32 <t> x y)
  5616  	// cond:
  5617  	// result: (SRAW <t> (MOVBreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [7])))))
  5618  	for {
  5619  		t := v.Type
  5620  		x := v.Args[0]
  5621  		y := v.Args[1]
  5622  		v.reset(OpS390XSRAW)
  5623  		v.Type = t
  5624  		v0 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  5625  		v0.AddArg(x)
  5626  		v.AddArg(v0)
  5627  		v1 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5628  		v1.AddArg(y)
  5629  		v2 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5630  		v3 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5631  		v4 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5632  		v4.AuxInt = 7
  5633  		v4.AddArg(y)
  5634  		v3.AddArg(v4)
  5635  		v2.AddArg(v3)
  5636  		v1.AddArg(v2)
  5637  		v.AddArg(v1)
  5638  		return true
  5639  	}
  5640  }
  5641  func rewriteValueS390X_OpRsh8x64(v *Value, config *Config) bool {
  5642  	b := v.Block
  5643  	_ = b
  5644  	// match: (Rsh8x64 <t> x y)
  5645  	// cond:
  5646  	// result: (SRAW <t> (MOVBreg x) (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [7])))))
  5647  	for {
  5648  		t := v.Type
  5649  		x := v.Args[0]
  5650  		y := v.Args[1]
  5651  		v.reset(OpS390XSRAW)
  5652  		v.Type = t
  5653  		v0 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  5654  		v0.AddArg(x)
  5655  		v.AddArg(v0)
  5656  		v1 := b.NewValue0(v.Line, OpS390XOR, y.Type)
  5657  		v1.AddArg(y)
  5658  		v2 := b.NewValue0(v.Line, OpS390XNOT, y.Type)
  5659  		v3 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, y.Type)
  5660  		v4 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  5661  		v4.AuxInt = 7
  5662  		v4.AddArg(y)
  5663  		v3.AddArg(v4)
  5664  		v2.AddArg(v3)
  5665  		v1.AddArg(v2)
  5666  		v.AddArg(v1)
  5667  		return true
  5668  	}
  5669  }
  5670  func rewriteValueS390X_OpRsh8x8(v *Value, config *Config) bool {
  5671  	b := v.Block
  5672  	_ = b
  5673  	// match: (Rsh8x8  <t> x y)
  5674  	// cond:
  5675  	// result: (SRAW <t> (MOVBreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [7])))))
  5676  	for {
  5677  		t := v.Type
  5678  		x := v.Args[0]
  5679  		y := v.Args[1]
  5680  		v.reset(OpS390XSRAW)
  5681  		v.Type = t
  5682  		v0 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  5683  		v0.AddArg(x)
  5684  		v.AddArg(v0)
  5685  		v1 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5686  		v1.AddArg(y)
  5687  		v2 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5688  		v3 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5689  		v4 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5690  		v4.AuxInt = 7
  5691  		v5 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5692  		v5.AddArg(y)
  5693  		v4.AddArg(v5)
  5694  		v3.AddArg(v4)
  5695  		v2.AddArg(v3)
  5696  		v1.AddArg(v2)
  5697  		v.AddArg(v1)
  5698  		return true
  5699  	}
  5700  }
  5701  func rewriteValueS390X_OpS390XADD(v *Value, config *Config) bool {
  5702  	b := v.Block
  5703  	_ = b
  5704  	// match: (ADD x (MOVDconst [c]))
  5705  	// cond: is32Bit(c)
  5706  	// result: (ADDconst [c] x)
  5707  	for {
  5708  		x := v.Args[0]
  5709  		v_1 := v.Args[1]
  5710  		if v_1.Op != OpS390XMOVDconst {
  5711  			break
  5712  		}
  5713  		c := v_1.AuxInt
  5714  		if !(is32Bit(c)) {
  5715  			break
  5716  		}
  5717  		v.reset(OpS390XADDconst)
  5718  		v.AuxInt = c
  5719  		v.AddArg(x)
  5720  		return true
  5721  	}
  5722  	// match: (ADD (MOVDconst [c]) x)
  5723  	// cond: is32Bit(c)
  5724  	// result: (ADDconst [c] x)
  5725  	for {
  5726  		v_0 := v.Args[0]
  5727  		if v_0.Op != OpS390XMOVDconst {
  5728  			break
  5729  		}
  5730  		c := v_0.AuxInt
  5731  		x := v.Args[1]
  5732  		if !(is32Bit(c)) {
  5733  			break
  5734  		}
  5735  		v.reset(OpS390XADDconst)
  5736  		v.AuxInt = c
  5737  		v.AddArg(x)
  5738  		return true
  5739  	}
  5740  	// match: (ADD x (MOVDaddr [c] {s} y))
  5741  	// cond: x.Op != OpSB && y.Op != OpSB
  5742  	// result: (MOVDaddridx [c] {s} x y)
  5743  	for {
  5744  		x := v.Args[0]
  5745  		v_1 := v.Args[1]
  5746  		if v_1.Op != OpS390XMOVDaddr {
  5747  			break
  5748  		}
  5749  		c := v_1.AuxInt
  5750  		s := v_1.Aux
  5751  		y := v_1.Args[0]
  5752  		if !(x.Op != OpSB && y.Op != OpSB) {
  5753  			break
  5754  		}
  5755  		v.reset(OpS390XMOVDaddridx)
  5756  		v.AuxInt = c
  5757  		v.Aux = s
  5758  		v.AddArg(x)
  5759  		v.AddArg(y)
  5760  		return true
  5761  	}
  5762  	// match: (ADD (MOVDaddr [c] {s} x) y)
  5763  	// cond: x.Op != OpSB && y.Op != OpSB
  5764  	// result: (MOVDaddridx [c] {s} x y)
  5765  	for {
  5766  		v_0 := v.Args[0]
  5767  		if v_0.Op != OpS390XMOVDaddr {
  5768  			break
  5769  		}
  5770  		c := v_0.AuxInt
  5771  		s := v_0.Aux
  5772  		x := v_0.Args[0]
  5773  		y := v.Args[1]
  5774  		if !(x.Op != OpSB && y.Op != OpSB) {
  5775  			break
  5776  		}
  5777  		v.reset(OpS390XMOVDaddridx)
  5778  		v.AuxInt = c
  5779  		v.Aux = s
  5780  		v.AddArg(x)
  5781  		v.AddArg(y)
  5782  		return true
  5783  	}
  5784  	// match: (ADD x (NEG y))
  5785  	// cond:
  5786  	// result: (SUB x y)
  5787  	for {
  5788  		x := v.Args[0]
  5789  		v_1 := v.Args[1]
  5790  		if v_1.Op != OpS390XNEG {
  5791  			break
  5792  		}
  5793  		y := v_1.Args[0]
  5794  		v.reset(OpS390XSUB)
  5795  		v.AddArg(x)
  5796  		v.AddArg(y)
  5797  		return true
  5798  	}
  5799  	// match: (ADD <t> x g:(MOVDload [off] {sym} ptr mem))
  5800  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  5801  	// result: (ADDload <t> [off] {sym} x ptr mem)
  5802  	for {
  5803  		t := v.Type
  5804  		x := v.Args[0]
  5805  		g := v.Args[1]
  5806  		if g.Op != OpS390XMOVDload {
  5807  			break
  5808  		}
  5809  		off := g.AuxInt
  5810  		sym := g.Aux
  5811  		ptr := g.Args[0]
  5812  		mem := g.Args[1]
  5813  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  5814  			break
  5815  		}
  5816  		v.reset(OpS390XADDload)
  5817  		v.Type = t
  5818  		v.AuxInt = off
  5819  		v.Aux = sym
  5820  		v.AddArg(x)
  5821  		v.AddArg(ptr)
  5822  		v.AddArg(mem)
  5823  		return true
  5824  	}
  5825  	// match: (ADD <t> g:(MOVDload [off] {sym} ptr mem) x)
  5826  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  5827  	// result: (ADDload <t> [off] {sym} x ptr mem)
  5828  	for {
  5829  		t := v.Type
  5830  		g := v.Args[0]
  5831  		if g.Op != OpS390XMOVDload {
  5832  			break
  5833  		}
  5834  		off := g.AuxInt
  5835  		sym := g.Aux
  5836  		ptr := g.Args[0]
  5837  		mem := g.Args[1]
  5838  		x := v.Args[1]
  5839  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  5840  			break
  5841  		}
  5842  		v.reset(OpS390XADDload)
  5843  		v.Type = t
  5844  		v.AuxInt = off
  5845  		v.Aux = sym
  5846  		v.AddArg(x)
  5847  		v.AddArg(ptr)
  5848  		v.AddArg(mem)
  5849  		return true
  5850  	}
  5851  	return false
  5852  }
  5853  func rewriteValueS390X_OpS390XADDW(v *Value, config *Config) bool {
  5854  	b := v.Block
  5855  	_ = b
  5856  	// match: (ADDW x (MOVDconst [c]))
  5857  	// cond:
  5858  	// result: (ADDWconst [c] x)
  5859  	for {
  5860  		x := v.Args[0]
  5861  		v_1 := v.Args[1]
  5862  		if v_1.Op != OpS390XMOVDconst {
  5863  			break
  5864  		}
  5865  		c := v_1.AuxInt
  5866  		v.reset(OpS390XADDWconst)
  5867  		v.AuxInt = c
  5868  		v.AddArg(x)
  5869  		return true
  5870  	}
  5871  	// match: (ADDW (MOVDconst [c]) x)
  5872  	// cond:
  5873  	// result: (ADDWconst [c] x)
  5874  	for {
  5875  		v_0 := v.Args[0]
  5876  		if v_0.Op != OpS390XMOVDconst {
  5877  			break
  5878  		}
  5879  		c := v_0.AuxInt
  5880  		x := v.Args[1]
  5881  		v.reset(OpS390XADDWconst)
  5882  		v.AuxInt = c
  5883  		v.AddArg(x)
  5884  		return true
  5885  	}
  5886  	// match: (ADDW x (NEGW y))
  5887  	// cond:
  5888  	// result: (SUBW x y)
  5889  	for {
  5890  		x := v.Args[0]
  5891  		v_1 := v.Args[1]
  5892  		if v_1.Op != OpS390XNEGW {
  5893  			break
  5894  		}
  5895  		y := v_1.Args[0]
  5896  		v.reset(OpS390XSUBW)
  5897  		v.AddArg(x)
  5898  		v.AddArg(y)
  5899  		return true
  5900  	}
  5901  	// match: (ADDW <t> x g:(MOVWload [off] {sym} ptr mem))
  5902  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  5903  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  5904  	for {
  5905  		t := v.Type
  5906  		x := v.Args[0]
  5907  		g := v.Args[1]
  5908  		if g.Op != OpS390XMOVWload {
  5909  			break
  5910  		}
  5911  		off := g.AuxInt
  5912  		sym := g.Aux
  5913  		ptr := g.Args[0]
  5914  		mem := g.Args[1]
  5915  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  5916  			break
  5917  		}
  5918  		v.reset(OpS390XADDWload)
  5919  		v.Type = t
  5920  		v.AuxInt = off
  5921  		v.Aux = sym
  5922  		v.AddArg(x)
  5923  		v.AddArg(ptr)
  5924  		v.AddArg(mem)
  5925  		return true
  5926  	}
  5927  	// match: (ADDW <t> g:(MOVWload [off] {sym} ptr mem) x)
  5928  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  5929  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  5930  	for {
  5931  		t := v.Type
  5932  		g := v.Args[0]
  5933  		if g.Op != OpS390XMOVWload {
  5934  			break
  5935  		}
  5936  		off := g.AuxInt
  5937  		sym := g.Aux
  5938  		ptr := g.Args[0]
  5939  		mem := g.Args[1]
  5940  		x := v.Args[1]
  5941  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  5942  			break
  5943  		}
  5944  		v.reset(OpS390XADDWload)
  5945  		v.Type = t
  5946  		v.AuxInt = off
  5947  		v.Aux = sym
  5948  		v.AddArg(x)
  5949  		v.AddArg(ptr)
  5950  		v.AddArg(mem)
  5951  		return true
  5952  	}
  5953  	// match: (ADDW <t> x g:(MOVWZload [off] {sym} ptr mem))
  5954  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  5955  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  5956  	for {
  5957  		t := v.Type
  5958  		x := v.Args[0]
  5959  		g := v.Args[1]
  5960  		if g.Op != OpS390XMOVWZload {
  5961  			break
  5962  		}
  5963  		off := g.AuxInt
  5964  		sym := g.Aux
  5965  		ptr := g.Args[0]
  5966  		mem := g.Args[1]
  5967  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  5968  			break
  5969  		}
  5970  		v.reset(OpS390XADDWload)
  5971  		v.Type = t
  5972  		v.AuxInt = off
  5973  		v.Aux = sym
  5974  		v.AddArg(x)
  5975  		v.AddArg(ptr)
  5976  		v.AddArg(mem)
  5977  		return true
  5978  	}
  5979  	// match: (ADDW <t> g:(MOVWZload [off] {sym} ptr mem) x)
  5980  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  5981  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  5982  	for {
  5983  		t := v.Type
  5984  		g := v.Args[0]
  5985  		if g.Op != OpS390XMOVWZload {
  5986  			break
  5987  		}
  5988  		off := g.AuxInt
  5989  		sym := g.Aux
  5990  		ptr := g.Args[0]
  5991  		mem := g.Args[1]
  5992  		x := v.Args[1]
  5993  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  5994  			break
  5995  		}
  5996  		v.reset(OpS390XADDWload)
  5997  		v.Type = t
  5998  		v.AuxInt = off
  5999  		v.Aux = sym
  6000  		v.AddArg(x)
  6001  		v.AddArg(ptr)
  6002  		v.AddArg(mem)
  6003  		return true
  6004  	}
  6005  	return false
  6006  }
  6007  func rewriteValueS390X_OpS390XADDWconst(v *Value, config *Config) bool {
  6008  	b := v.Block
  6009  	_ = b
  6010  	// match: (ADDWconst [c] x)
  6011  	// cond: int32(c)==0
  6012  	// result: x
  6013  	for {
  6014  		c := v.AuxInt
  6015  		x := v.Args[0]
  6016  		if !(int32(c) == 0) {
  6017  			break
  6018  		}
  6019  		v.reset(OpCopy)
  6020  		v.Type = x.Type
  6021  		v.AddArg(x)
  6022  		return true
  6023  	}
  6024  	// match: (ADDWconst [c] (MOVDconst [d]))
  6025  	// cond:
  6026  	// result: (MOVDconst [int64(int32(c+d))])
  6027  	for {
  6028  		c := v.AuxInt
  6029  		v_0 := v.Args[0]
  6030  		if v_0.Op != OpS390XMOVDconst {
  6031  			break
  6032  		}
  6033  		d := v_0.AuxInt
  6034  		v.reset(OpS390XMOVDconst)
  6035  		v.AuxInt = int64(int32(c + d))
  6036  		return true
  6037  	}
  6038  	// match: (ADDWconst [c] (ADDWconst [d] x))
  6039  	// cond:
  6040  	// result: (ADDWconst [int64(int32(c+d))] x)
  6041  	for {
  6042  		c := v.AuxInt
  6043  		v_0 := v.Args[0]
  6044  		if v_0.Op != OpS390XADDWconst {
  6045  			break
  6046  		}
  6047  		d := v_0.AuxInt
  6048  		x := v_0.Args[0]
  6049  		v.reset(OpS390XADDWconst)
  6050  		v.AuxInt = int64(int32(c + d))
  6051  		v.AddArg(x)
  6052  		return true
  6053  	}
  6054  	return false
  6055  }
  6056  func rewriteValueS390X_OpS390XADDconst(v *Value, config *Config) bool {
  6057  	b := v.Block
  6058  	_ = b
  6059  	// match: (ADDconst [c] (MOVDaddr [d] {s} x:(SB)))
  6060  	// cond: ((c+d)&1 == 0) && is32Bit(c+d)
  6061  	// result: (MOVDaddr [c+d] {s} x)
  6062  	for {
  6063  		c := v.AuxInt
  6064  		v_0 := v.Args[0]
  6065  		if v_0.Op != OpS390XMOVDaddr {
  6066  			break
  6067  		}
  6068  		d := v_0.AuxInt
  6069  		s := v_0.Aux
  6070  		x := v_0.Args[0]
  6071  		if x.Op != OpSB {
  6072  			break
  6073  		}
  6074  		if !(((c+d)&1 == 0) && is32Bit(c+d)) {
  6075  			break
  6076  		}
  6077  		v.reset(OpS390XMOVDaddr)
  6078  		v.AuxInt = c + d
  6079  		v.Aux = s
  6080  		v.AddArg(x)
  6081  		return true
  6082  	}
  6083  	// match: (ADDconst [c] (MOVDaddr [d] {s} x))
  6084  	// cond: x.Op != OpSB && is20Bit(c+d)
  6085  	// result: (MOVDaddr [c+d] {s} x)
  6086  	for {
  6087  		c := v.AuxInt
  6088  		v_0 := v.Args[0]
  6089  		if v_0.Op != OpS390XMOVDaddr {
  6090  			break
  6091  		}
  6092  		d := v_0.AuxInt
  6093  		s := v_0.Aux
  6094  		x := v_0.Args[0]
  6095  		if !(x.Op != OpSB && is20Bit(c+d)) {
  6096  			break
  6097  		}
  6098  		v.reset(OpS390XMOVDaddr)
  6099  		v.AuxInt = c + d
  6100  		v.Aux = s
  6101  		v.AddArg(x)
  6102  		return true
  6103  	}
  6104  	// match: (ADDconst [c] (MOVDaddridx [d] {s} x y))
  6105  	// cond: is20Bit(c+d)
  6106  	// result: (MOVDaddridx [c+d] {s} x y)
  6107  	for {
  6108  		c := v.AuxInt
  6109  		v_0 := v.Args[0]
  6110  		if v_0.Op != OpS390XMOVDaddridx {
  6111  			break
  6112  		}
  6113  		d := v_0.AuxInt
  6114  		s := v_0.Aux
  6115  		x := v_0.Args[0]
  6116  		y := v_0.Args[1]
  6117  		if !(is20Bit(c + d)) {
  6118  			break
  6119  		}
  6120  		v.reset(OpS390XMOVDaddridx)
  6121  		v.AuxInt = c + d
  6122  		v.Aux = s
  6123  		v.AddArg(x)
  6124  		v.AddArg(y)
  6125  		return true
  6126  	}
  6127  	// match: (ADDconst [0] x)
  6128  	// cond:
  6129  	// result: x
  6130  	for {
  6131  		if v.AuxInt != 0 {
  6132  			break
  6133  		}
  6134  		x := v.Args[0]
  6135  		v.reset(OpCopy)
  6136  		v.Type = x.Type
  6137  		v.AddArg(x)
  6138  		return true
  6139  	}
  6140  	// match: (ADDconst [c] (MOVDconst [d]))
  6141  	// cond:
  6142  	// result: (MOVDconst [c+d])
  6143  	for {
  6144  		c := v.AuxInt
  6145  		v_0 := v.Args[0]
  6146  		if v_0.Op != OpS390XMOVDconst {
  6147  			break
  6148  		}
  6149  		d := v_0.AuxInt
  6150  		v.reset(OpS390XMOVDconst)
  6151  		v.AuxInt = c + d
  6152  		return true
  6153  	}
  6154  	// match: (ADDconst [c] (ADDconst [d] x))
  6155  	// cond: is32Bit(c+d)
  6156  	// result: (ADDconst [c+d] x)
  6157  	for {
  6158  		c := v.AuxInt
  6159  		v_0 := v.Args[0]
  6160  		if v_0.Op != OpS390XADDconst {
  6161  			break
  6162  		}
  6163  		d := v_0.AuxInt
  6164  		x := v_0.Args[0]
  6165  		if !(is32Bit(c + d)) {
  6166  			break
  6167  		}
  6168  		v.reset(OpS390XADDconst)
  6169  		v.AuxInt = c + d
  6170  		v.AddArg(x)
  6171  		return true
  6172  	}
  6173  	return false
  6174  }
  6175  func rewriteValueS390X_OpS390XAND(v *Value, config *Config) bool {
  6176  	b := v.Block
  6177  	_ = b
  6178  	// match: (AND x (MOVDconst [c]))
  6179  	// cond: is32Bit(c) && c < 0
  6180  	// result: (ANDconst [c] x)
  6181  	for {
  6182  		x := v.Args[0]
  6183  		v_1 := v.Args[1]
  6184  		if v_1.Op != OpS390XMOVDconst {
  6185  			break
  6186  		}
  6187  		c := v_1.AuxInt
  6188  		if !(is32Bit(c) && c < 0) {
  6189  			break
  6190  		}
  6191  		v.reset(OpS390XANDconst)
  6192  		v.AuxInt = c
  6193  		v.AddArg(x)
  6194  		return true
  6195  	}
  6196  	// match: (AND (MOVDconst [c]) x)
  6197  	// cond: is32Bit(c) && c < 0
  6198  	// result: (ANDconst [c] x)
  6199  	for {
  6200  		v_0 := v.Args[0]
  6201  		if v_0.Op != OpS390XMOVDconst {
  6202  			break
  6203  		}
  6204  		c := v_0.AuxInt
  6205  		x := v.Args[1]
  6206  		if !(is32Bit(c) && c < 0) {
  6207  			break
  6208  		}
  6209  		v.reset(OpS390XANDconst)
  6210  		v.AuxInt = c
  6211  		v.AddArg(x)
  6212  		return true
  6213  	}
  6214  	// match: (AND (MOVDconst [0xFF]) x)
  6215  	// cond:
  6216  	// result: (MOVBZreg x)
  6217  	for {
  6218  		v_0 := v.Args[0]
  6219  		if v_0.Op != OpS390XMOVDconst {
  6220  			break
  6221  		}
  6222  		if v_0.AuxInt != 0xFF {
  6223  			break
  6224  		}
  6225  		x := v.Args[1]
  6226  		v.reset(OpS390XMOVBZreg)
  6227  		v.AddArg(x)
  6228  		return true
  6229  	}
  6230  	// match: (AND x (MOVDconst [0xFF]))
  6231  	// cond:
  6232  	// result: (MOVBZreg x)
  6233  	for {
  6234  		x := v.Args[0]
  6235  		v_1 := v.Args[1]
  6236  		if v_1.Op != OpS390XMOVDconst {
  6237  			break
  6238  		}
  6239  		if v_1.AuxInt != 0xFF {
  6240  			break
  6241  		}
  6242  		v.reset(OpS390XMOVBZreg)
  6243  		v.AddArg(x)
  6244  		return true
  6245  	}
  6246  	// match: (AND (MOVDconst [0xFFFF]) x)
  6247  	// cond:
  6248  	// result: (MOVHZreg x)
  6249  	for {
  6250  		v_0 := v.Args[0]
  6251  		if v_0.Op != OpS390XMOVDconst {
  6252  			break
  6253  		}
  6254  		if v_0.AuxInt != 0xFFFF {
  6255  			break
  6256  		}
  6257  		x := v.Args[1]
  6258  		v.reset(OpS390XMOVHZreg)
  6259  		v.AddArg(x)
  6260  		return true
  6261  	}
  6262  	// match: (AND x (MOVDconst [0xFFFF]))
  6263  	// cond:
  6264  	// result: (MOVHZreg x)
  6265  	for {
  6266  		x := v.Args[0]
  6267  		v_1 := v.Args[1]
  6268  		if v_1.Op != OpS390XMOVDconst {
  6269  			break
  6270  		}
  6271  		if v_1.AuxInt != 0xFFFF {
  6272  			break
  6273  		}
  6274  		v.reset(OpS390XMOVHZreg)
  6275  		v.AddArg(x)
  6276  		return true
  6277  	}
  6278  	// match: (AND (MOVDconst [0xFFFFFFFF]) x)
  6279  	// cond:
  6280  	// result: (MOVWZreg x)
  6281  	for {
  6282  		v_0 := v.Args[0]
  6283  		if v_0.Op != OpS390XMOVDconst {
  6284  			break
  6285  		}
  6286  		if v_0.AuxInt != 0xFFFFFFFF {
  6287  			break
  6288  		}
  6289  		x := v.Args[1]
  6290  		v.reset(OpS390XMOVWZreg)
  6291  		v.AddArg(x)
  6292  		return true
  6293  	}
  6294  	// match: (AND x (MOVDconst [0xFFFFFFFF]))
  6295  	// cond:
  6296  	// result: (MOVWZreg x)
  6297  	for {
  6298  		x := v.Args[0]
  6299  		v_1 := v.Args[1]
  6300  		if v_1.Op != OpS390XMOVDconst {
  6301  			break
  6302  		}
  6303  		if v_1.AuxInt != 0xFFFFFFFF {
  6304  			break
  6305  		}
  6306  		v.reset(OpS390XMOVWZreg)
  6307  		v.AddArg(x)
  6308  		return true
  6309  	}
  6310  	// match: (AND (MOVDconst [c]) (MOVDconst [d]))
  6311  	// cond:
  6312  	// result: (MOVDconst [c&d])
  6313  	for {
  6314  		v_0 := v.Args[0]
  6315  		if v_0.Op != OpS390XMOVDconst {
  6316  			break
  6317  		}
  6318  		c := v_0.AuxInt
  6319  		v_1 := v.Args[1]
  6320  		if v_1.Op != OpS390XMOVDconst {
  6321  			break
  6322  		}
  6323  		d := v_1.AuxInt
  6324  		v.reset(OpS390XMOVDconst)
  6325  		v.AuxInt = c & d
  6326  		return true
  6327  	}
  6328  	// match: (AND x x)
  6329  	// cond:
  6330  	// result: x
  6331  	for {
  6332  		x := v.Args[0]
  6333  		if x != v.Args[1] {
  6334  			break
  6335  		}
  6336  		v.reset(OpCopy)
  6337  		v.Type = x.Type
  6338  		v.AddArg(x)
  6339  		return true
  6340  	}
  6341  	// match: (AND <t> x g:(MOVDload [off] {sym} ptr mem))
  6342  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6343  	// result: (ANDload <t> [off] {sym} x ptr mem)
  6344  	for {
  6345  		t := v.Type
  6346  		x := v.Args[0]
  6347  		g := v.Args[1]
  6348  		if g.Op != OpS390XMOVDload {
  6349  			break
  6350  		}
  6351  		off := g.AuxInt
  6352  		sym := g.Aux
  6353  		ptr := g.Args[0]
  6354  		mem := g.Args[1]
  6355  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6356  			break
  6357  		}
  6358  		v.reset(OpS390XANDload)
  6359  		v.Type = t
  6360  		v.AuxInt = off
  6361  		v.Aux = sym
  6362  		v.AddArg(x)
  6363  		v.AddArg(ptr)
  6364  		v.AddArg(mem)
  6365  		return true
  6366  	}
  6367  	// match: (AND <t> g:(MOVDload [off] {sym} ptr mem) x)
  6368  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6369  	// result: (ANDload <t> [off] {sym} x ptr mem)
  6370  	for {
  6371  		t := v.Type
  6372  		g := v.Args[0]
  6373  		if g.Op != OpS390XMOVDload {
  6374  			break
  6375  		}
  6376  		off := g.AuxInt
  6377  		sym := g.Aux
  6378  		ptr := g.Args[0]
  6379  		mem := g.Args[1]
  6380  		x := v.Args[1]
  6381  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6382  			break
  6383  		}
  6384  		v.reset(OpS390XANDload)
  6385  		v.Type = t
  6386  		v.AuxInt = off
  6387  		v.Aux = sym
  6388  		v.AddArg(x)
  6389  		v.AddArg(ptr)
  6390  		v.AddArg(mem)
  6391  		return true
  6392  	}
  6393  	return false
  6394  }
  6395  func rewriteValueS390X_OpS390XANDW(v *Value, config *Config) bool {
  6396  	b := v.Block
  6397  	_ = b
  6398  	// match: (ANDW x (MOVDconst [c]))
  6399  	// cond:
  6400  	// result: (ANDWconst [c] x)
  6401  	for {
  6402  		x := v.Args[0]
  6403  		v_1 := v.Args[1]
  6404  		if v_1.Op != OpS390XMOVDconst {
  6405  			break
  6406  		}
  6407  		c := v_1.AuxInt
  6408  		v.reset(OpS390XANDWconst)
  6409  		v.AuxInt = c
  6410  		v.AddArg(x)
  6411  		return true
  6412  	}
  6413  	// match: (ANDW (MOVDconst [c]) x)
  6414  	// cond:
  6415  	// result: (ANDWconst [c] x)
  6416  	for {
  6417  		v_0 := v.Args[0]
  6418  		if v_0.Op != OpS390XMOVDconst {
  6419  			break
  6420  		}
  6421  		c := v_0.AuxInt
  6422  		x := v.Args[1]
  6423  		v.reset(OpS390XANDWconst)
  6424  		v.AuxInt = c
  6425  		v.AddArg(x)
  6426  		return true
  6427  	}
  6428  	// match: (ANDW x x)
  6429  	// cond:
  6430  	// result: x
  6431  	for {
  6432  		x := v.Args[0]
  6433  		if x != v.Args[1] {
  6434  			break
  6435  		}
  6436  		v.reset(OpCopy)
  6437  		v.Type = x.Type
  6438  		v.AddArg(x)
  6439  		return true
  6440  	}
  6441  	// match: (ANDW <t> x g:(MOVWload [off] {sym} ptr mem))
  6442  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6443  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6444  	for {
  6445  		t := v.Type
  6446  		x := v.Args[0]
  6447  		g := v.Args[1]
  6448  		if g.Op != OpS390XMOVWload {
  6449  			break
  6450  		}
  6451  		off := g.AuxInt
  6452  		sym := g.Aux
  6453  		ptr := g.Args[0]
  6454  		mem := g.Args[1]
  6455  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6456  			break
  6457  		}
  6458  		v.reset(OpS390XANDWload)
  6459  		v.Type = t
  6460  		v.AuxInt = off
  6461  		v.Aux = sym
  6462  		v.AddArg(x)
  6463  		v.AddArg(ptr)
  6464  		v.AddArg(mem)
  6465  		return true
  6466  	}
  6467  	// match: (ANDW <t> g:(MOVWload [off] {sym} ptr mem) x)
  6468  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6469  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6470  	for {
  6471  		t := v.Type
  6472  		g := v.Args[0]
  6473  		if g.Op != OpS390XMOVWload {
  6474  			break
  6475  		}
  6476  		off := g.AuxInt
  6477  		sym := g.Aux
  6478  		ptr := g.Args[0]
  6479  		mem := g.Args[1]
  6480  		x := v.Args[1]
  6481  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6482  			break
  6483  		}
  6484  		v.reset(OpS390XANDWload)
  6485  		v.Type = t
  6486  		v.AuxInt = off
  6487  		v.Aux = sym
  6488  		v.AddArg(x)
  6489  		v.AddArg(ptr)
  6490  		v.AddArg(mem)
  6491  		return true
  6492  	}
  6493  	// match: (ANDW <t> x g:(MOVWZload [off] {sym} ptr mem))
  6494  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6495  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6496  	for {
  6497  		t := v.Type
  6498  		x := v.Args[0]
  6499  		g := v.Args[1]
  6500  		if g.Op != OpS390XMOVWZload {
  6501  			break
  6502  		}
  6503  		off := g.AuxInt
  6504  		sym := g.Aux
  6505  		ptr := g.Args[0]
  6506  		mem := g.Args[1]
  6507  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6508  			break
  6509  		}
  6510  		v.reset(OpS390XANDWload)
  6511  		v.Type = t
  6512  		v.AuxInt = off
  6513  		v.Aux = sym
  6514  		v.AddArg(x)
  6515  		v.AddArg(ptr)
  6516  		v.AddArg(mem)
  6517  		return true
  6518  	}
  6519  	// match: (ANDW <t> g:(MOVWZload [off] {sym} ptr mem) x)
  6520  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6521  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6522  	for {
  6523  		t := v.Type
  6524  		g := v.Args[0]
  6525  		if g.Op != OpS390XMOVWZload {
  6526  			break
  6527  		}
  6528  		off := g.AuxInt
  6529  		sym := g.Aux
  6530  		ptr := g.Args[0]
  6531  		mem := g.Args[1]
  6532  		x := v.Args[1]
  6533  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6534  			break
  6535  		}
  6536  		v.reset(OpS390XANDWload)
  6537  		v.Type = t
  6538  		v.AuxInt = off
  6539  		v.Aux = sym
  6540  		v.AddArg(x)
  6541  		v.AddArg(ptr)
  6542  		v.AddArg(mem)
  6543  		return true
  6544  	}
  6545  	return false
  6546  }
  6547  func rewriteValueS390X_OpS390XANDWconst(v *Value, config *Config) bool {
  6548  	b := v.Block
  6549  	_ = b
  6550  	// match: (ANDWconst [c] (ANDWconst [d] x))
  6551  	// cond:
  6552  	// result: (ANDWconst [c & d] x)
  6553  	for {
  6554  		c := v.AuxInt
  6555  		v_0 := v.Args[0]
  6556  		if v_0.Op != OpS390XANDWconst {
  6557  			break
  6558  		}
  6559  		d := v_0.AuxInt
  6560  		x := v_0.Args[0]
  6561  		v.reset(OpS390XANDWconst)
  6562  		v.AuxInt = c & d
  6563  		v.AddArg(x)
  6564  		return true
  6565  	}
  6566  	// match: (ANDWconst [0xFF] x)
  6567  	// cond:
  6568  	// result: (MOVBZreg x)
  6569  	for {
  6570  		if v.AuxInt != 0xFF {
  6571  			break
  6572  		}
  6573  		x := v.Args[0]
  6574  		v.reset(OpS390XMOVBZreg)
  6575  		v.AddArg(x)
  6576  		return true
  6577  	}
  6578  	// match: (ANDWconst [0xFFFF] x)
  6579  	// cond:
  6580  	// result: (MOVHZreg x)
  6581  	for {
  6582  		if v.AuxInt != 0xFFFF {
  6583  			break
  6584  		}
  6585  		x := v.Args[0]
  6586  		v.reset(OpS390XMOVHZreg)
  6587  		v.AddArg(x)
  6588  		return true
  6589  	}
  6590  	// match: (ANDWconst [c] _)
  6591  	// cond: int32(c)==0
  6592  	// result: (MOVDconst [0])
  6593  	for {
  6594  		c := v.AuxInt
  6595  		if !(int32(c) == 0) {
  6596  			break
  6597  		}
  6598  		v.reset(OpS390XMOVDconst)
  6599  		v.AuxInt = 0
  6600  		return true
  6601  	}
  6602  	// match: (ANDWconst [c] x)
  6603  	// cond: int32(c)==-1
  6604  	// result: x
  6605  	for {
  6606  		c := v.AuxInt
  6607  		x := v.Args[0]
  6608  		if !(int32(c) == -1) {
  6609  			break
  6610  		}
  6611  		v.reset(OpCopy)
  6612  		v.Type = x.Type
  6613  		v.AddArg(x)
  6614  		return true
  6615  	}
  6616  	// match: (ANDWconst [c] (MOVDconst [d]))
  6617  	// cond:
  6618  	// result: (MOVDconst [c&d])
  6619  	for {
  6620  		c := v.AuxInt
  6621  		v_0 := v.Args[0]
  6622  		if v_0.Op != OpS390XMOVDconst {
  6623  			break
  6624  		}
  6625  		d := v_0.AuxInt
  6626  		v.reset(OpS390XMOVDconst)
  6627  		v.AuxInt = c & d
  6628  		return true
  6629  	}
  6630  	return false
  6631  }
  6632  func rewriteValueS390X_OpS390XANDconst(v *Value, config *Config) bool {
  6633  	b := v.Block
  6634  	_ = b
  6635  	// match: (ANDconst [c] (ANDconst [d] x))
  6636  	// cond:
  6637  	// result: (ANDconst [c & d] x)
  6638  	for {
  6639  		c := v.AuxInt
  6640  		v_0 := v.Args[0]
  6641  		if v_0.Op != OpS390XANDconst {
  6642  			break
  6643  		}
  6644  		d := v_0.AuxInt
  6645  		x := v_0.Args[0]
  6646  		v.reset(OpS390XANDconst)
  6647  		v.AuxInt = c & d
  6648  		v.AddArg(x)
  6649  		return true
  6650  	}
  6651  	// match: (ANDconst [0] _)
  6652  	// cond:
  6653  	// result: (MOVDconst [0])
  6654  	for {
  6655  		if v.AuxInt != 0 {
  6656  			break
  6657  		}
  6658  		v.reset(OpS390XMOVDconst)
  6659  		v.AuxInt = 0
  6660  		return true
  6661  	}
  6662  	// match: (ANDconst [-1] x)
  6663  	// cond:
  6664  	// result: x
  6665  	for {
  6666  		if v.AuxInt != -1 {
  6667  			break
  6668  		}
  6669  		x := v.Args[0]
  6670  		v.reset(OpCopy)
  6671  		v.Type = x.Type
  6672  		v.AddArg(x)
  6673  		return true
  6674  	}
  6675  	// match: (ANDconst [c] (MOVDconst [d]))
  6676  	// cond:
  6677  	// result: (MOVDconst [c&d])
  6678  	for {
  6679  		c := v.AuxInt
  6680  		v_0 := v.Args[0]
  6681  		if v_0.Op != OpS390XMOVDconst {
  6682  			break
  6683  		}
  6684  		d := v_0.AuxInt
  6685  		v.reset(OpS390XMOVDconst)
  6686  		v.AuxInt = c & d
  6687  		return true
  6688  	}
  6689  	return false
  6690  }
  6691  func rewriteValueS390X_OpS390XCMP(v *Value, config *Config) bool {
  6692  	b := v.Block
  6693  	_ = b
  6694  	// match: (CMP x (MOVDconst [c]))
  6695  	// cond: is32Bit(c)
  6696  	// result: (CMPconst x [c])
  6697  	for {
  6698  		x := v.Args[0]
  6699  		v_1 := v.Args[1]
  6700  		if v_1.Op != OpS390XMOVDconst {
  6701  			break
  6702  		}
  6703  		c := v_1.AuxInt
  6704  		if !(is32Bit(c)) {
  6705  			break
  6706  		}
  6707  		v.reset(OpS390XCMPconst)
  6708  		v.AuxInt = c
  6709  		v.AddArg(x)
  6710  		return true
  6711  	}
  6712  	// match: (CMP (MOVDconst [c]) x)
  6713  	// cond: is32Bit(c)
  6714  	// result: (InvertFlags (CMPconst x [c]))
  6715  	for {
  6716  		v_0 := v.Args[0]
  6717  		if v_0.Op != OpS390XMOVDconst {
  6718  			break
  6719  		}
  6720  		c := v_0.AuxInt
  6721  		x := v.Args[1]
  6722  		if !(is32Bit(c)) {
  6723  			break
  6724  		}
  6725  		v.reset(OpS390XInvertFlags)
  6726  		v0 := b.NewValue0(v.Line, OpS390XCMPconst, TypeFlags)
  6727  		v0.AuxInt = c
  6728  		v0.AddArg(x)
  6729  		v.AddArg(v0)
  6730  		return true
  6731  	}
  6732  	return false
  6733  }
  6734  func rewriteValueS390X_OpS390XCMPU(v *Value, config *Config) bool {
  6735  	b := v.Block
  6736  	_ = b
  6737  	// match: (CMPU x (MOVDconst [c]))
  6738  	// cond: is32Bit(c)
  6739  	// result: (CMPUconst x [int64(uint32(c))])
  6740  	for {
  6741  		x := v.Args[0]
  6742  		v_1 := v.Args[1]
  6743  		if v_1.Op != OpS390XMOVDconst {
  6744  			break
  6745  		}
  6746  		c := v_1.AuxInt
  6747  		if !(is32Bit(c)) {
  6748  			break
  6749  		}
  6750  		v.reset(OpS390XCMPUconst)
  6751  		v.AuxInt = int64(uint32(c))
  6752  		v.AddArg(x)
  6753  		return true
  6754  	}
  6755  	// match: (CMPU (MOVDconst [c]) x)
  6756  	// cond: is32Bit(c)
  6757  	// result: (InvertFlags (CMPUconst x [int64(uint32(c))]))
  6758  	for {
  6759  		v_0 := v.Args[0]
  6760  		if v_0.Op != OpS390XMOVDconst {
  6761  			break
  6762  		}
  6763  		c := v_0.AuxInt
  6764  		x := v.Args[1]
  6765  		if !(is32Bit(c)) {
  6766  			break
  6767  		}
  6768  		v.reset(OpS390XInvertFlags)
  6769  		v0 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  6770  		v0.AuxInt = int64(uint32(c))
  6771  		v0.AddArg(x)
  6772  		v.AddArg(v0)
  6773  		return true
  6774  	}
  6775  	return false
  6776  }
  6777  func rewriteValueS390X_OpS390XCMPUconst(v *Value, config *Config) bool {
  6778  	b := v.Block
  6779  	_ = b
  6780  	// match: (CMPUconst (MOVDconst [x]) [y])
  6781  	// cond: uint64(x)==uint64(y)
  6782  	// result: (FlagEQ)
  6783  	for {
  6784  		y := v.AuxInt
  6785  		v_0 := v.Args[0]
  6786  		if v_0.Op != OpS390XMOVDconst {
  6787  			break
  6788  		}
  6789  		x := v_0.AuxInt
  6790  		if !(uint64(x) == uint64(y)) {
  6791  			break
  6792  		}
  6793  		v.reset(OpS390XFlagEQ)
  6794  		return true
  6795  	}
  6796  	// match: (CMPUconst (MOVDconst [x]) [y])
  6797  	// cond: uint64(x)<uint64(y)
  6798  	// result: (FlagLT)
  6799  	for {
  6800  		y := v.AuxInt
  6801  		v_0 := v.Args[0]
  6802  		if v_0.Op != OpS390XMOVDconst {
  6803  			break
  6804  		}
  6805  		x := v_0.AuxInt
  6806  		if !(uint64(x) < uint64(y)) {
  6807  			break
  6808  		}
  6809  		v.reset(OpS390XFlagLT)
  6810  		return true
  6811  	}
  6812  	// match: (CMPUconst (MOVDconst [x]) [y])
  6813  	// cond: uint64(x)>uint64(y)
  6814  	// result: (FlagGT)
  6815  	for {
  6816  		y := v.AuxInt
  6817  		v_0 := v.Args[0]
  6818  		if v_0.Op != OpS390XMOVDconst {
  6819  			break
  6820  		}
  6821  		x := v_0.AuxInt
  6822  		if !(uint64(x) > uint64(y)) {
  6823  			break
  6824  		}
  6825  		v.reset(OpS390XFlagGT)
  6826  		return true
  6827  	}
  6828  	return false
  6829  }
  6830  func rewriteValueS390X_OpS390XCMPW(v *Value, config *Config) bool {
  6831  	b := v.Block
  6832  	_ = b
  6833  	// match: (CMPW x (MOVDconst [c]))
  6834  	// cond:
  6835  	// result: (CMPWconst x [c])
  6836  	for {
  6837  		x := v.Args[0]
  6838  		v_1 := v.Args[1]
  6839  		if v_1.Op != OpS390XMOVDconst {
  6840  			break
  6841  		}
  6842  		c := v_1.AuxInt
  6843  		v.reset(OpS390XCMPWconst)
  6844  		v.AuxInt = c
  6845  		v.AddArg(x)
  6846  		return true
  6847  	}
  6848  	// match: (CMPW (MOVDconst [c]) x)
  6849  	// cond:
  6850  	// result: (InvertFlags (CMPWconst x [c]))
  6851  	for {
  6852  		v_0 := v.Args[0]
  6853  		if v_0.Op != OpS390XMOVDconst {
  6854  			break
  6855  		}
  6856  		c := v_0.AuxInt
  6857  		x := v.Args[1]
  6858  		v.reset(OpS390XInvertFlags)
  6859  		v0 := b.NewValue0(v.Line, OpS390XCMPWconst, TypeFlags)
  6860  		v0.AuxInt = c
  6861  		v0.AddArg(x)
  6862  		v.AddArg(v0)
  6863  		return true
  6864  	}
  6865  	return false
  6866  }
  6867  func rewriteValueS390X_OpS390XCMPWU(v *Value, config *Config) bool {
  6868  	b := v.Block
  6869  	_ = b
  6870  	// match: (CMPWU x (MOVDconst [c]))
  6871  	// cond:
  6872  	// result: (CMPWUconst x [int64(uint32(c))])
  6873  	for {
  6874  		x := v.Args[0]
  6875  		v_1 := v.Args[1]
  6876  		if v_1.Op != OpS390XMOVDconst {
  6877  			break
  6878  		}
  6879  		c := v_1.AuxInt
  6880  		v.reset(OpS390XCMPWUconst)
  6881  		v.AuxInt = int64(uint32(c))
  6882  		v.AddArg(x)
  6883  		return true
  6884  	}
  6885  	// match: (CMPWU (MOVDconst [c]) x)
  6886  	// cond:
  6887  	// result: (InvertFlags (CMPWUconst x [int64(uint32(c))]))
  6888  	for {
  6889  		v_0 := v.Args[0]
  6890  		if v_0.Op != OpS390XMOVDconst {
  6891  			break
  6892  		}
  6893  		c := v_0.AuxInt
  6894  		x := v.Args[1]
  6895  		v.reset(OpS390XInvertFlags)
  6896  		v0 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  6897  		v0.AuxInt = int64(uint32(c))
  6898  		v0.AddArg(x)
  6899  		v.AddArg(v0)
  6900  		return true
  6901  	}
  6902  	return false
  6903  }
  6904  func rewriteValueS390X_OpS390XCMPWUconst(v *Value, config *Config) bool {
  6905  	b := v.Block
  6906  	_ = b
  6907  	// match: (CMPWUconst (MOVDconst [x]) [y])
  6908  	// cond: uint32(x)==uint32(y)
  6909  	// result: (FlagEQ)
  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 !(uint32(x) == uint32(y)) {
  6918  			break
  6919  		}
  6920  		v.reset(OpS390XFlagEQ)
  6921  		return true
  6922  	}
  6923  	// match: (CMPWUconst (MOVDconst [x]) [y])
  6924  	// cond: uint32(x)<uint32(y)
  6925  	// result: (FlagLT)
  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 !(uint32(x) < uint32(y)) {
  6934  			break
  6935  		}
  6936  		v.reset(OpS390XFlagLT)
  6937  		return true
  6938  	}
  6939  	// match: (CMPWUconst (MOVDconst [x]) [y])
  6940  	// cond: uint32(x)>uint32(y)
  6941  	// result: (FlagGT)
  6942  	for {
  6943  		y := v.AuxInt
  6944  		v_0 := v.Args[0]
  6945  		if v_0.Op != OpS390XMOVDconst {
  6946  			break
  6947  		}
  6948  		x := v_0.AuxInt
  6949  		if !(uint32(x) > uint32(y)) {
  6950  			break
  6951  		}
  6952  		v.reset(OpS390XFlagGT)
  6953  		return true
  6954  	}
  6955  	return false
  6956  }
  6957  func rewriteValueS390X_OpS390XCMPWconst(v *Value, config *Config) bool {
  6958  	b := v.Block
  6959  	_ = b
  6960  	// match: (CMPWconst (MOVDconst [x]) [y])
  6961  	// cond: int32(x)==int32(y)
  6962  	// result: (FlagEQ)
  6963  	for {
  6964  		y := v.AuxInt
  6965  		v_0 := v.Args[0]
  6966  		if v_0.Op != OpS390XMOVDconst {
  6967  			break
  6968  		}
  6969  		x := v_0.AuxInt
  6970  		if !(int32(x) == int32(y)) {
  6971  			break
  6972  		}
  6973  		v.reset(OpS390XFlagEQ)
  6974  		return true
  6975  	}
  6976  	// match: (CMPWconst (MOVDconst [x]) [y])
  6977  	// cond: int32(x)<int32(y)
  6978  	// result: (FlagLT)
  6979  	for {
  6980  		y := v.AuxInt
  6981  		v_0 := v.Args[0]
  6982  		if v_0.Op != OpS390XMOVDconst {
  6983  			break
  6984  		}
  6985  		x := v_0.AuxInt
  6986  		if !(int32(x) < int32(y)) {
  6987  			break
  6988  		}
  6989  		v.reset(OpS390XFlagLT)
  6990  		return true
  6991  	}
  6992  	// match: (CMPWconst (MOVDconst [x]) [y])
  6993  	// cond: int32(x)>int32(y)
  6994  	// result: (FlagGT)
  6995  	for {
  6996  		y := v.AuxInt
  6997  		v_0 := v.Args[0]
  6998  		if v_0.Op != OpS390XMOVDconst {
  6999  			break
  7000  		}
  7001  		x := v_0.AuxInt
  7002  		if !(int32(x) > int32(y)) {
  7003  			break
  7004  		}
  7005  		v.reset(OpS390XFlagGT)
  7006  		return true
  7007  	}
  7008  	// match: (CMPWconst (SRWconst _ [c]) [n])
  7009  	// cond: 0 <= n && 0 < c && c <= 32 && (1<<uint64(32-c)) <= uint64(n)
  7010  	// result: (FlagLT)
  7011  	for {
  7012  		n := v.AuxInt
  7013  		v_0 := v.Args[0]
  7014  		if v_0.Op != OpS390XSRWconst {
  7015  			break
  7016  		}
  7017  		c := v_0.AuxInt
  7018  		if !(0 <= n && 0 < c && c <= 32 && (1<<uint64(32-c)) <= uint64(n)) {
  7019  			break
  7020  		}
  7021  		v.reset(OpS390XFlagLT)
  7022  		return true
  7023  	}
  7024  	// match: (CMPWconst (ANDWconst _ [m]) [n])
  7025  	// cond: 0 <= int32(m) && int32(m) < int32(n)
  7026  	// result: (FlagLT)
  7027  	for {
  7028  		n := v.AuxInt
  7029  		v_0 := v.Args[0]
  7030  		if v_0.Op != OpS390XANDWconst {
  7031  			break
  7032  		}
  7033  		m := v_0.AuxInt
  7034  		if !(0 <= int32(m) && int32(m) < int32(n)) {
  7035  			break
  7036  		}
  7037  		v.reset(OpS390XFlagLT)
  7038  		return true
  7039  	}
  7040  	return false
  7041  }
  7042  func rewriteValueS390X_OpS390XCMPconst(v *Value, config *Config) bool {
  7043  	b := v.Block
  7044  	_ = b
  7045  	// match: (CMPconst (MOVDconst [x]) [y])
  7046  	// cond: x==y
  7047  	// result: (FlagEQ)
  7048  	for {
  7049  		y := v.AuxInt
  7050  		v_0 := v.Args[0]
  7051  		if v_0.Op != OpS390XMOVDconst {
  7052  			break
  7053  		}
  7054  		x := v_0.AuxInt
  7055  		if !(x == y) {
  7056  			break
  7057  		}
  7058  		v.reset(OpS390XFlagEQ)
  7059  		return true
  7060  	}
  7061  	// match: (CMPconst (MOVDconst [x]) [y])
  7062  	// cond: x<y
  7063  	// result: (FlagLT)
  7064  	for {
  7065  		y := v.AuxInt
  7066  		v_0 := v.Args[0]
  7067  		if v_0.Op != OpS390XMOVDconst {
  7068  			break
  7069  		}
  7070  		x := v_0.AuxInt
  7071  		if !(x < y) {
  7072  			break
  7073  		}
  7074  		v.reset(OpS390XFlagLT)
  7075  		return true
  7076  	}
  7077  	// match: (CMPconst (MOVDconst [x]) [y])
  7078  	// cond: x>y
  7079  	// result: (FlagGT)
  7080  	for {
  7081  		y := v.AuxInt
  7082  		v_0 := v.Args[0]
  7083  		if v_0.Op != OpS390XMOVDconst {
  7084  			break
  7085  		}
  7086  		x := v_0.AuxInt
  7087  		if !(x > y) {
  7088  			break
  7089  		}
  7090  		v.reset(OpS390XFlagGT)
  7091  		return true
  7092  	}
  7093  	// match: (CMPconst (MOVBZreg _) [c])
  7094  	// cond: 0xFF < c
  7095  	// result: (FlagLT)
  7096  	for {
  7097  		c := v.AuxInt
  7098  		v_0 := v.Args[0]
  7099  		if v_0.Op != OpS390XMOVBZreg {
  7100  			break
  7101  		}
  7102  		if !(0xFF < c) {
  7103  			break
  7104  		}
  7105  		v.reset(OpS390XFlagLT)
  7106  		return true
  7107  	}
  7108  	// match: (CMPconst (MOVHZreg _) [c])
  7109  	// cond: 0xFFFF < c
  7110  	// result: (FlagLT)
  7111  	for {
  7112  		c := v.AuxInt
  7113  		v_0 := v.Args[0]
  7114  		if v_0.Op != OpS390XMOVHZreg {
  7115  			break
  7116  		}
  7117  		if !(0xFFFF < c) {
  7118  			break
  7119  		}
  7120  		v.reset(OpS390XFlagLT)
  7121  		return true
  7122  	}
  7123  	// match: (CMPconst (MOVWZreg _) [c])
  7124  	// cond: 0xFFFFFFFF < c
  7125  	// result: (FlagLT)
  7126  	for {
  7127  		c := v.AuxInt
  7128  		v_0 := v.Args[0]
  7129  		if v_0.Op != OpS390XMOVWZreg {
  7130  			break
  7131  		}
  7132  		if !(0xFFFFFFFF < c) {
  7133  			break
  7134  		}
  7135  		v.reset(OpS390XFlagLT)
  7136  		return true
  7137  	}
  7138  	// match: (CMPconst (SRDconst _ [c]) [n])
  7139  	// cond: 0 <= n && 0 < c && c <= 64 && (1<<uint64(64-c)) <= uint64(n)
  7140  	// result: (FlagLT)
  7141  	for {
  7142  		n := v.AuxInt
  7143  		v_0 := v.Args[0]
  7144  		if v_0.Op != OpS390XSRDconst {
  7145  			break
  7146  		}
  7147  		c := v_0.AuxInt
  7148  		if !(0 <= n && 0 < c && c <= 64 && (1<<uint64(64-c)) <= uint64(n)) {
  7149  			break
  7150  		}
  7151  		v.reset(OpS390XFlagLT)
  7152  		return true
  7153  	}
  7154  	// match: (CMPconst (ANDconst _ [m]) [n])
  7155  	// cond: 0 <= m && m < n
  7156  	// result: (FlagLT)
  7157  	for {
  7158  		n := v.AuxInt
  7159  		v_0 := v.Args[0]
  7160  		if v_0.Op != OpS390XANDconst {
  7161  			break
  7162  		}
  7163  		m := v_0.AuxInt
  7164  		if !(0 <= m && m < n) {
  7165  			break
  7166  		}
  7167  		v.reset(OpS390XFlagLT)
  7168  		return true
  7169  	}
  7170  	return false
  7171  }
  7172  func rewriteValueS390X_OpS390XFMOVDload(v *Value, config *Config) bool {
  7173  	b := v.Block
  7174  	_ = b
  7175  	// match: (FMOVDload  [off1] {sym} (ADDconst [off2] ptr) mem)
  7176  	// cond: is20Bit(off1+off2)
  7177  	// result: (FMOVDload [off1+off2] {sym} ptr mem)
  7178  	for {
  7179  		off1 := v.AuxInt
  7180  		sym := v.Aux
  7181  		v_0 := v.Args[0]
  7182  		if v_0.Op != OpS390XADDconst {
  7183  			break
  7184  		}
  7185  		off2 := v_0.AuxInt
  7186  		ptr := v_0.Args[0]
  7187  		mem := v.Args[1]
  7188  		if !(is20Bit(off1 + off2)) {
  7189  			break
  7190  		}
  7191  		v.reset(OpS390XFMOVDload)
  7192  		v.AuxInt = off1 + off2
  7193  		v.Aux = sym
  7194  		v.AddArg(ptr)
  7195  		v.AddArg(mem)
  7196  		return true
  7197  	}
  7198  	// match: (FMOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  7199  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7200  	// result: (FMOVDload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  7201  	for {
  7202  		off1 := v.AuxInt
  7203  		sym1 := v.Aux
  7204  		v_0 := v.Args[0]
  7205  		if v_0.Op != OpS390XMOVDaddr {
  7206  			break
  7207  		}
  7208  		off2 := v_0.AuxInt
  7209  		sym2 := v_0.Aux
  7210  		base := v_0.Args[0]
  7211  		mem := v.Args[1]
  7212  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7213  			break
  7214  		}
  7215  		v.reset(OpS390XFMOVDload)
  7216  		v.AuxInt = off1 + off2
  7217  		v.Aux = mergeSym(sym1, sym2)
  7218  		v.AddArg(base)
  7219  		v.AddArg(mem)
  7220  		return true
  7221  	}
  7222  	// match: (FMOVDload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
  7223  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7224  	// result: (FMOVDloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
  7225  	for {
  7226  		off1 := v.AuxInt
  7227  		sym1 := v.Aux
  7228  		v_0 := v.Args[0]
  7229  		if v_0.Op != OpS390XMOVDaddridx {
  7230  			break
  7231  		}
  7232  		off2 := v_0.AuxInt
  7233  		sym2 := v_0.Aux
  7234  		ptr := v_0.Args[0]
  7235  		idx := v_0.Args[1]
  7236  		mem := v.Args[1]
  7237  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7238  			break
  7239  		}
  7240  		v.reset(OpS390XFMOVDloadidx)
  7241  		v.AuxInt = off1 + off2
  7242  		v.Aux = mergeSym(sym1, sym2)
  7243  		v.AddArg(ptr)
  7244  		v.AddArg(idx)
  7245  		v.AddArg(mem)
  7246  		return true
  7247  	}
  7248  	// match: (FMOVDload [off] {sym} (ADD ptr idx) mem)
  7249  	// cond: ptr.Op != OpSB
  7250  	// result: (FMOVDloadidx [off] {sym} ptr idx mem)
  7251  	for {
  7252  		off := v.AuxInt
  7253  		sym := v.Aux
  7254  		v_0 := v.Args[0]
  7255  		if v_0.Op != OpS390XADD {
  7256  			break
  7257  		}
  7258  		ptr := v_0.Args[0]
  7259  		idx := v_0.Args[1]
  7260  		mem := v.Args[1]
  7261  		if !(ptr.Op != OpSB) {
  7262  			break
  7263  		}
  7264  		v.reset(OpS390XFMOVDloadidx)
  7265  		v.AuxInt = off
  7266  		v.Aux = sym
  7267  		v.AddArg(ptr)
  7268  		v.AddArg(idx)
  7269  		v.AddArg(mem)
  7270  		return true
  7271  	}
  7272  	return false
  7273  }
  7274  func rewriteValueS390X_OpS390XFMOVDloadidx(v *Value, config *Config) bool {
  7275  	b := v.Block
  7276  	_ = b
  7277  	// match: (FMOVDloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
  7278  	// cond:
  7279  	// result: (FMOVDloadidx [c+d] {sym} ptr idx mem)
  7280  	for {
  7281  		c := v.AuxInt
  7282  		sym := v.Aux
  7283  		v_0 := v.Args[0]
  7284  		if v_0.Op != OpS390XADDconst {
  7285  			break
  7286  		}
  7287  		d := v_0.AuxInt
  7288  		ptr := v_0.Args[0]
  7289  		idx := v.Args[1]
  7290  		mem := v.Args[2]
  7291  		v.reset(OpS390XFMOVDloadidx)
  7292  		v.AuxInt = c + d
  7293  		v.Aux = sym
  7294  		v.AddArg(ptr)
  7295  		v.AddArg(idx)
  7296  		v.AddArg(mem)
  7297  		return true
  7298  	}
  7299  	// match: (FMOVDloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
  7300  	// cond:
  7301  	// result: (FMOVDloadidx [c+d] {sym} ptr idx mem)
  7302  	for {
  7303  		c := v.AuxInt
  7304  		sym := v.Aux
  7305  		ptr := v.Args[0]
  7306  		v_1 := v.Args[1]
  7307  		if v_1.Op != OpS390XADDconst {
  7308  			break
  7309  		}
  7310  		d := v_1.AuxInt
  7311  		idx := v_1.Args[0]
  7312  		mem := v.Args[2]
  7313  		v.reset(OpS390XFMOVDloadidx)
  7314  		v.AuxInt = c + d
  7315  		v.Aux = sym
  7316  		v.AddArg(ptr)
  7317  		v.AddArg(idx)
  7318  		v.AddArg(mem)
  7319  		return true
  7320  	}
  7321  	return false
  7322  }
  7323  func rewriteValueS390X_OpS390XFMOVDstore(v *Value, config *Config) bool {
  7324  	b := v.Block
  7325  	_ = b
  7326  	// match: (FMOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  7327  	// cond: is20Bit(off1+off2)
  7328  	// result: (FMOVDstore [off1+off2] {sym} ptr val mem)
  7329  	for {
  7330  		off1 := v.AuxInt
  7331  		sym := v.Aux
  7332  		v_0 := v.Args[0]
  7333  		if v_0.Op != OpS390XADDconst {
  7334  			break
  7335  		}
  7336  		off2 := v_0.AuxInt
  7337  		ptr := v_0.Args[0]
  7338  		val := v.Args[1]
  7339  		mem := v.Args[2]
  7340  		if !(is20Bit(off1 + off2)) {
  7341  			break
  7342  		}
  7343  		v.reset(OpS390XFMOVDstore)
  7344  		v.AuxInt = off1 + off2
  7345  		v.Aux = sym
  7346  		v.AddArg(ptr)
  7347  		v.AddArg(val)
  7348  		v.AddArg(mem)
  7349  		return true
  7350  	}
  7351  	// match: (FMOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
  7352  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7353  	// result: (FMOVDstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  7354  	for {
  7355  		off1 := v.AuxInt
  7356  		sym1 := v.Aux
  7357  		v_0 := v.Args[0]
  7358  		if v_0.Op != OpS390XMOVDaddr {
  7359  			break
  7360  		}
  7361  		off2 := v_0.AuxInt
  7362  		sym2 := v_0.Aux
  7363  		base := v_0.Args[0]
  7364  		val := v.Args[1]
  7365  		mem := v.Args[2]
  7366  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7367  			break
  7368  		}
  7369  		v.reset(OpS390XFMOVDstore)
  7370  		v.AuxInt = off1 + off2
  7371  		v.Aux = mergeSym(sym1, sym2)
  7372  		v.AddArg(base)
  7373  		v.AddArg(val)
  7374  		v.AddArg(mem)
  7375  		return true
  7376  	}
  7377  	// match: (FMOVDstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
  7378  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7379  	// result: (FMOVDstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
  7380  	for {
  7381  		off1 := v.AuxInt
  7382  		sym1 := v.Aux
  7383  		v_0 := v.Args[0]
  7384  		if v_0.Op != OpS390XMOVDaddridx {
  7385  			break
  7386  		}
  7387  		off2 := v_0.AuxInt
  7388  		sym2 := v_0.Aux
  7389  		ptr := v_0.Args[0]
  7390  		idx := v_0.Args[1]
  7391  		val := v.Args[1]
  7392  		mem := v.Args[2]
  7393  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7394  			break
  7395  		}
  7396  		v.reset(OpS390XFMOVDstoreidx)
  7397  		v.AuxInt = off1 + off2
  7398  		v.Aux = mergeSym(sym1, sym2)
  7399  		v.AddArg(ptr)
  7400  		v.AddArg(idx)
  7401  		v.AddArg(val)
  7402  		v.AddArg(mem)
  7403  		return true
  7404  	}
  7405  	// match: (FMOVDstore [off] {sym} (ADD ptr idx) val mem)
  7406  	// cond: ptr.Op != OpSB
  7407  	// result: (FMOVDstoreidx [off] {sym} ptr idx val mem)
  7408  	for {
  7409  		off := v.AuxInt
  7410  		sym := v.Aux
  7411  		v_0 := v.Args[0]
  7412  		if v_0.Op != OpS390XADD {
  7413  			break
  7414  		}
  7415  		ptr := v_0.Args[0]
  7416  		idx := v_0.Args[1]
  7417  		val := v.Args[1]
  7418  		mem := v.Args[2]
  7419  		if !(ptr.Op != OpSB) {
  7420  			break
  7421  		}
  7422  		v.reset(OpS390XFMOVDstoreidx)
  7423  		v.AuxInt = off
  7424  		v.Aux = sym
  7425  		v.AddArg(ptr)
  7426  		v.AddArg(idx)
  7427  		v.AddArg(val)
  7428  		v.AddArg(mem)
  7429  		return true
  7430  	}
  7431  	return false
  7432  }
  7433  func rewriteValueS390X_OpS390XFMOVDstoreidx(v *Value, config *Config) bool {
  7434  	b := v.Block
  7435  	_ = b
  7436  	// match: (FMOVDstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
  7437  	// cond:
  7438  	// result: (FMOVDstoreidx [c+d] {sym} ptr idx val mem)
  7439  	for {
  7440  		c := v.AuxInt
  7441  		sym := v.Aux
  7442  		v_0 := v.Args[0]
  7443  		if v_0.Op != OpS390XADDconst {
  7444  			break
  7445  		}
  7446  		d := v_0.AuxInt
  7447  		ptr := v_0.Args[0]
  7448  		idx := v.Args[1]
  7449  		val := v.Args[2]
  7450  		mem := v.Args[3]
  7451  		v.reset(OpS390XFMOVDstoreidx)
  7452  		v.AuxInt = c + d
  7453  		v.Aux = sym
  7454  		v.AddArg(ptr)
  7455  		v.AddArg(idx)
  7456  		v.AddArg(val)
  7457  		v.AddArg(mem)
  7458  		return true
  7459  	}
  7460  	// match: (FMOVDstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
  7461  	// cond:
  7462  	// result: (FMOVDstoreidx [c+d] {sym} ptr idx val mem)
  7463  	for {
  7464  		c := v.AuxInt
  7465  		sym := v.Aux
  7466  		ptr := v.Args[0]
  7467  		v_1 := v.Args[1]
  7468  		if v_1.Op != OpS390XADDconst {
  7469  			break
  7470  		}
  7471  		d := v_1.AuxInt
  7472  		idx := v_1.Args[0]
  7473  		val := v.Args[2]
  7474  		mem := v.Args[3]
  7475  		v.reset(OpS390XFMOVDstoreidx)
  7476  		v.AuxInt = c + d
  7477  		v.Aux = sym
  7478  		v.AddArg(ptr)
  7479  		v.AddArg(idx)
  7480  		v.AddArg(val)
  7481  		v.AddArg(mem)
  7482  		return true
  7483  	}
  7484  	return false
  7485  }
  7486  func rewriteValueS390X_OpS390XFMOVSload(v *Value, config *Config) bool {
  7487  	b := v.Block
  7488  	_ = b
  7489  	// match: (FMOVSload  [off1] {sym} (ADDconst [off2] ptr) mem)
  7490  	// cond: is20Bit(off1+off2)
  7491  	// result: (FMOVSload [off1+off2] {sym} ptr mem)
  7492  	for {
  7493  		off1 := v.AuxInt
  7494  		sym := v.Aux
  7495  		v_0 := v.Args[0]
  7496  		if v_0.Op != OpS390XADDconst {
  7497  			break
  7498  		}
  7499  		off2 := v_0.AuxInt
  7500  		ptr := v_0.Args[0]
  7501  		mem := v.Args[1]
  7502  		if !(is20Bit(off1 + off2)) {
  7503  			break
  7504  		}
  7505  		v.reset(OpS390XFMOVSload)
  7506  		v.AuxInt = off1 + off2
  7507  		v.Aux = sym
  7508  		v.AddArg(ptr)
  7509  		v.AddArg(mem)
  7510  		return true
  7511  	}
  7512  	// match: (FMOVSload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  7513  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7514  	// result: (FMOVSload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  7515  	for {
  7516  		off1 := v.AuxInt
  7517  		sym1 := v.Aux
  7518  		v_0 := v.Args[0]
  7519  		if v_0.Op != OpS390XMOVDaddr {
  7520  			break
  7521  		}
  7522  		off2 := v_0.AuxInt
  7523  		sym2 := v_0.Aux
  7524  		base := v_0.Args[0]
  7525  		mem := v.Args[1]
  7526  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7527  			break
  7528  		}
  7529  		v.reset(OpS390XFMOVSload)
  7530  		v.AuxInt = off1 + off2
  7531  		v.Aux = mergeSym(sym1, sym2)
  7532  		v.AddArg(base)
  7533  		v.AddArg(mem)
  7534  		return true
  7535  	}
  7536  	// match: (FMOVSload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
  7537  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7538  	// result: (FMOVSloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
  7539  	for {
  7540  		off1 := v.AuxInt
  7541  		sym1 := v.Aux
  7542  		v_0 := v.Args[0]
  7543  		if v_0.Op != OpS390XMOVDaddridx {
  7544  			break
  7545  		}
  7546  		off2 := v_0.AuxInt
  7547  		sym2 := v_0.Aux
  7548  		ptr := v_0.Args[0]
  7549  		idx := v_0.Args[1]
  7550  		mem := v.Args[1]
  7551  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7552  			break
  7553  		}
  7554  		v.reset(OpS390XFMOVSloadidx)
  7555  		v.AuxInt = off1 + off2
  7556  		v.Aux = mergeSym(sym1, sym2)
  7557  		v.AddArg(ptr)
  7558  		v.AddArg(idx)
  7559  		v.AddArg(mem)
  7560  		return true
  7561  	}
  7562  	// match: (FMOVSload [off] {sym} (ADD ptr idx) mem)
  7563  	// cond: ptr.Op != OpSB
  7564  	// result: (FMOVSloadidx [off] {sym} ptr idx mem)
  7565  	for {
  7566  		off := v.AuxInt
  7567  		sym := v.Aux
  7568  		v_0 := v.Args[0]
  7569  		if v_0.Op != OpS390XADD {
  7570  			break
  7571  		}
  7572  		ptr := v_0.Args[0]
  7573  		idx := v_0.Args[1]
  7574  		mem := v.Args[1]
  7575  		if !(ptr.Op != OpSB) {
  7576  			break
  7577  		}
  7578  		v.reset(OpS390XFMOVSloadidx)
  7579  		v.AuxInt = off
  7580  		v.Aux = sym
  7581  		v.AddArg(ptr)
  7582  		v.AddArg(idx)
  7583  		v.AddArg(mem)
  7584  		return true
  7585  	}
  7586  	return false
  7587  }
  7588  func rewriteValueS390X_OpS390XFMOVSloadidx(v *Value, config *Config) bool {
  7589  	b := v.Block
  7590  	_ = b
  7591  	// match: (FMOVSloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
  7592  	// cond:
  7593  	// result: (FMOVSloadidx [c+d] {sym} ptr idx mem)
  7594  	for {
  7595  		c := v.AuxInt
  7596  		sym := v.Aux
  7597  		v_0 := v.Args[0]
  7598  		if v_0.Op != OpS390XADDconst {
  7599  			break
  7600  		}
  7601  		d := v_0.AuxInt
  7602  		ptr := v_0.Args[0]
  7603  		idx := v.Args[1]
  7604  		mem := v.Args[2]
  7605  		v.reset(OpS390XFMOVSloadidx)
  7606  		v.AuxInt = c + d
  7607  		v.Aux = sym
  7608  		v.AddArg(ptr)
  7609  		v.AddArg(idx)
  7610  		v.AddArg(mem)
  7611  		return true
  7612  	}
  7613  	// match: (FMOVSloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
  7614  	// cond:
  7615  	// result: (FMOVSloadidx [c+d] {sym} ptr idx mem)
  7616  	for {
  7617  		c := v.AuxInt
  7618  		sym := v.Aux
  7619  		ptr := v.Args[0]
  7620  		v_1 := v.Args[1]
  7621  		if v_1.Op != OpS390XADDconst {
  7622  			break
  7623  		}
  7624  		d := v_1.AuxInt
  7625  		idx := v_1.Args[0]
  7626  		mem := v.Args[2]
  7627  		v.reset(OpS390XFMOVSloadidx)
  7628  		v.AuxInt = c + d
  7629  		v.Aux = sym
  7630  		v.AddArg(ptr)
  7631  		v.AddArg(idx)
  7632  		v.AddArg(mem)
  7633  		return true
  7634  	}
  7635  	return false
  7636  }
  7637  func rewriteValueS390X_OpS390XFMOVSstore(v *Value, config *Config) bool {
  7638  	b := v.Block
  7639  	_ = b
  7640  	// match: (FMOVSstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  7641  	// cond: is20Bit(off1+off2)
  7642  	// result: (FMOVSstore [off1+off2] {sym} ptr val mem)
  7643  	for {
  7644  		off1 := v.AuxInt
  7645  		sym := v.Aux
  7646  		v_0 := v.Args[0]
  7647  		if v_0.Op != OpS390XADDconst {
  7648  			break
  7649  		}
  7650  		off2 := v_0.AuxInt
  7651  		ptr := v_0.Args[0]
  7652  		val := v.Args[1]
  7653  		mem := v.Args[2]
  7654  		if !(is20Bit(off1 + off2)) {
  7655  			break
  7656  		}
  7657  		v.reset(OpS390XFMOVSstore)
  7658  		v.AuxInt = off1 + off2
  7659  		v.Aux = sym
  7660  		v.AddArg(ptr)
  7661  		v.AddArg(val)
  7662  		v.AddArg(mem)
  7663  		return true
  7664  	}
  7665  	// match: (FMOVSstore [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
  7666  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7667  	// result: (FMOVSstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  7668  	for {
  7669  		off1 := v.AuxInt
  7670  		sym1 := v.Aux
  7671  		v_0 := v.Args[0]
  7672  		if v_0.Op != OpS390XMOVDaddr {
  7673  			break
  7674  		}
  7675  		off2 := v_0.AuxInt
  7676  		sym2 := v_0.Aux
  7677  		base := v_0.Args[0]
  7678  		val := v.Args[1]
  7679  		mem := v.Args[2]
  7680  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7681  			break
  7682  		}
  7683  		v.reset(OpS390XFMOVSstore)
  7684  		v.AuxInt = off1 + off2
  7685  		v.Aux = mergeSym(sym1, sym2)
  7686  		v.AddArg(base)
  7687  		v.AddArg(val)
  7688  		v.AddArg(mem)
  7689  		return true
  7690  	}
  7691  	// match: (FMOVSstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
  7692  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7693  	// result: (FMOVSstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
  7694  	for {
  7695  		off1 := v.AuxInt
  7696  		sym1 := v.Aux
  7697  		v_0 := v.Args[0]
  7698  		if v_0.Op != OpS390XMOVDaddridx {
  7699  			break
  7700  		}
  7701  		off2 := v_0.AuxInt
  7702  		sym2 := v_0.Aux
  7703  		ptr := v_0.Args[0]
  7704  		idx := v_0.Args[1]
  7705  		val := v.Args[1]
  7706  		mem := v.Args[2]
  7707  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7708  			break
  7709  		}
  7710  		v.reset(OpS390XFMOVSstoreidx)
  7711  		v.AuxInt = off1 + off2
  7712  		v.Aux = mergeSym(sym1, sym2)
  7713  		v.AddArg(ptr)
  7714  		v.AddArg(idx)
  7715  		v.AddArg(val)
  7716  		v.AddArg(mem)
  7717  		return true
  7718  	}
  7719  	// match: (FMOVSstore [off] {sym} (ADD ptr idx) val mem)
  7720  	// cond: ptr.Op != OpSB
  7721  	// result: (FMOVSstoreidx [off] {sym} ptr idx val mem)
  7722  	for {
  7723  		off := v.AuxInt
  7724  		sym := v.Aux
  7725  		v_0 := v.Args[0]
  7726  		if v_0.Op != OpS390XADD {
  7727  			break
  7728  		}
  7729  		ptr := v_0.Args[0]
  7730  		idx := v_0.Args[1]
  7731  		val := v.Args[1]
  7732  		mem := v.Args[2]
  7733  		if !(ptr.Op != OpSB) {
  7734  			break
  7735  		}
  7736  		v.reset(OpS390XFMOVSstoreidx)
  7737  		v.AuxInt = off
  7738  		v.Aux = sym
  7739  		v.AddArg(ptr)
  7740  		v.AddArg(idx)
  7741  		v.AddArg(val)
  7742  		v.AddArg(mem)
  7743  		return true
  7744  	}
  7745  	return false
  7746  }
  7747  func rewriteValueS390X_OpS390XFMOVSstoreidx(v *Value, config *Config) bool {
  7748  	b := v.Block
  7749  	_ = b
  7750  	// match: (FMOVSstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
  7751  	// cond:
  7752  	// result: (FMOVSstoreidx [c+d] {sym} ptr idx val mem)
  7753  	for {
  7754  		c := v.AuxInt
  7755  		sym := v.Aux
  7756  		v_0 := v.Args[0]
  7757  		if v_0.Op != OpS390XADDconst {
  7758  			break
  7759  		}
  7760  		d := v_0.AuxInt
  7761  		ptr := v_0.Args[0]
  7762  		idx := v.Args[1]
  7763  		val := v.Args[2]
  7764  		mem := v.Args[3]
  7765  		v.reset(OpS390XFMOVSstoreidx)
  7766  		v.AuxInt = c + d
  7767  		v.Aux = sym
  7768  		v.AddArg(ptr)
  7769  		v.AddArg(idx)
  7770  		v.AddArg(val)
  7771  		v.AddArg(mem)
  7772  		return true
  7773  	}
  7774  	// match: (FMOVSstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
  7775  	// cond:
  7776  	// result: (FMOVSstoreidx [c+d] {sym} ptr idx val mem)
  7777  	for {
  7778  		c := v.AuxInt
  7779  		sym := v.Aux
  7780  		ptr := v.Args[0]
  7781  		v_1 := v.Args[1]
  7782  		if v_1.Op != OpS390XADDconst {
  7783  			break
  7784  		}
  7785  		d := v_1.AuxInt
  7786  		idx := v_1.Args[0]
  7787  		val := v.Args[2]
  7788  		mem := v.Args[3]
  7789  		v.reset(OpS390XFMOVSstoreidx)
  7790  		v.AuxInt = c + d
  7791  		v.Aux = sym
  7792  		v.AddArg(ptr)
  7793  		v.AddArg(idx)
  7794  		v.AddArg(val)
  7795  		v.AddArg(mem)
  7796  		return true
  7797  	}
  7798  	return false
  7799  }
  7800  func rewriteValueS390X_OpS390XMOVBZload(v *Value, config *Config) bool {
  7801  	b := v.Block
  7802  	_ = b
  7803  	// match: (MOVBZload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _))
  7804  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  7805  	// result: x
  7806  	for {
  7807  		off := v.AuxInt
  7808  		sym := v.Aux
  7809  		ptr := v.Args[0]
  7810  		v_1 := v.Args[1]
  7811  		if v_1.Op != OpS390XMOVBstore {
  7812  			break
  7813  		}
  7814  		off2 := v_1.AuxInt
  7815  		sym2 := v_1.Aux
  7816  		ptr2 := v_1.Args[0]
  7817  		x := v_1.Args[1]
  7818  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  7819  			break
  7820  		}
  7821  		v.reset(OpCopy)
  7822  		v.Type = x.Type
  7823  		v.AddArg(x)
  7824  		return true
  7825  	}
  7826  	// match: (MOVBZload  [off1] {sym} (ADDconst [off2] ptr) mem)
  7827  	// cond: is20Bit(off1+off2)
  7828  	// result: (MOVBZload [off1+off2] {sym} ptr mem)
  7829  	for {
  7830  		off1 := v.AuxInt
  7831  		sym := v.Aux
  7832  		v_0 := v.Args[0]
  7833  		if v_0.Op != OpS390XADDconst {
  7834  			break
  7835  		}
  7836  		off2 := v_0.AuxInt
  7837  		ptr := v_0.Args[0]
  7838  		mem := v.Args[1]
  7839  		if !(is20Bit(off1 + off2)) {
  7840  			break
  7841  		}
  7842  		v.reset(OpS390XMOVBZload)
  7843  		v.AuxInt = off1 + off2
  7844  		v.Aux = sym
  7845  		v.AddArg(ptr)
  7846  		v.AddArg(mem)
  7847  		return true
  7848  	}
  7849  	// match: (MOVBZload  [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  7850  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7851  	// result: (MOVBZload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
  7852  	for {
  7853  		off1 := v.AuxInt
  7854  		sym1 := v.Aux
  7855  		v_0 := v.Args[0]
  7856  		if v_0.Op != OpS390XMOVDaddr {
  7857  			break
  7858  		}
  7859  		off2 := v_0.AuxInt
  7860  		sym2 := v_0.Aux
  7861  		base := v_0.Args[0]
  7862  		mem := v.Args[1]
  7863  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7864  			break
  7865  		}
  7866  		v.reset(OpS390XMOVBZload)
  7867  		v.AuxInt = off1 + off2
  7868  		v.Aux = mergeSym(sym1, sym2)
  7869  		v.AddArg(base)
  7870  		v.AddArg(mem)
  7871  		return true
  7872  	}
  7873  	// match: (MOVBZload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
  7874  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7875  	// result: (MOVBZloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
  7876  	for {
  7877  		off1 := v.AuxInt
  7878  		sym1 := v.Aux
  7879  		v_0 := v.Args[0]
  7880  		if v_0.Op != OpS390XMOVDaddridx {
  7881  			break
  7882  		}
  7883  		off2 := v_0.AuxInt
  7884  		sym2 := v_0.Aux
  7885  		ptr := v_0.Args[0]
  7886  		idx := v_0.Args[1]
  7887  		mem := v.Args[1]
  7888  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7889  			break
  7890  		}
  7891  		v.reset(OpS390XMOVBZloadidx)
  7892  		v.AuxInt = off1 + off2
  7893  		v.Aux = mergeSym(sym1, sym2)
  7894  		v.AddArg(ptr)
  7895  		v.AddArg(idx)
  7896  		v.AddArg(mem)
  7897  		return true
  7898  	}
  7899  	// match: (MOVBZload [off] {sym} (ADD ptr idx) mem)
  7900  	// cond: ptr.Op != OpSB
  7901  	// result: (MOVBZloadidx [off] {sym} ptr idx mem)
  7902  	for {
  7903  		off := v.AuxInt
  7904  		sym := v.Aux
  7905  		v_0 := v.Args[0]
  7906  		if v_0.Op != OpS390XADD {
  7907  			break
  7908  		}
  7909  		ptr := v_0.Args[0]
  7910  		idx := v_0.Args[1]
  7911  		mem := v.Args[1]
  7912  		if !(ptr.Op != OpSB) {
  7913  			break
  7914  		}
  7915  		v.reset(OpS390XMOVBZloadidx)
  7916  		v.AuxInt = off
  7917  		v.Aux = sym
  7918  		v.AddArg(ptr)
  7919  		v.AddArg(idx)
  7920  		v.AddArg(mem)
  7921  		return true
  7922  	}
  7923  	return false
  7924  }
  7925  func rewriteValueS390X_OpS390XMOVBZloadidx(v *Value, config *Config) bool {
  7926  	b := v.Block
  7927  	_ = b
  7928  	// match: (MOVBZloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
  7929  	// cond:
  7930  	// result: (MOVBZloadidx [c+d] {sym} ptr idx mem)
  7931  	for {
  7932  		c := v.AuxInt
  7933  		sym := v.Aux
  7934  		v_0 := v.Args[0]
  7935  		if v_0.Op != OpS390XADDconst {
  7936  			break
  7937  		}
  7938  		d := v_0.AuxInt
  7939  		ptr := v_0.Args[0]
  7940  		idx := v.Args[1]
  7941  		mem := v.Args[2]
  7942  		v.reset(OpS390XMOVBZloadidx)
  7943  		v.AuxInt = c + d
  7944  		v.Aux = sym
  7945  		v.AddArg(ptr)
  7946  		v.AddArg(idx)
  7947  		v.AddArg(mem)
  7948  		return true
  7949  	}
  7950  	// match: (MOVBZloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
  7951  	// cond:
  7952  	// result: (MOVBZloadidx [c+d] {sym} ptr idx mem)
  7953  	for {
  7954  		c := v.AuxInt
  7955  		sym := v.Aux
  7956  		ptr := v.Args[0]
  7957  		v_1 := v.Args[1]
  7958  		if v_1.Op != OpS390XADDconst {
  7959  			break
  7960  		}
  7961  		d := v_1.AuxInt
  7962  		idx := v_1.Args[0]
  7963  		mem := v.Args[2]
  7964  		v.reset(OpS390XMOVBZloadidx)
  7965  		v.AuxInt = c + d
  7966  		v.Aux = sym
  7967  		v.AddArg(ptr)
  7968  		v.AddArg(idx)
  7969  		v.AddArg(mem)
  7970  		return true
  7971  	}
  7972  	return false
  7973  }
  7974  func rewriteValueS390X_OpS390XMOVBZreg(v *Value, config *Config) bool {
  7975  	b := v.Block
  7976  	_ = b
  7977  	// match: (MOVBZreg x:(MOVDLT (MOVDconst [c]) (MOVDconst [d]) _))
  7978  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  7979  	// result: x
  7980  	for {
  7981  		x := v.Args[0]
  7982  		if x.Op != OpS390XMOVDLT {
  7983  			break
  7984  		}
  7985  		x_0 := x.Args[0]
  7986  		if x_0.Op != OpS390XMOVDconst {
  7987  			break
  7988  		}
  7989  		c := x_0.AuxInt
  7990  		x_1 := x.Args[1]
  7991  		if x_1.Op != OpS390XMOVDconst {
  7992  			break
  7993  		}
  7994  		d := x_1.AuxInt
  7995  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  7996  			break
  7997  		}
  7998  		v.reset(OpCopy)
  7999  		v.Type = x.Type
  8000  		v.AddArg(x)
  8001  		return true
  8002  	}
  8003  	// match: (MOVBZreg x:(MOVDLE (MOVDconst [c]) (MOVDconst [d]) _))
  8004  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8005  	// result: x
  8006  	for {
  8007  		x := v.Args[0]
  8008  		if x.Op != OpS390XMOVDLE {
  8009  			break
  8010  		}
  8011  		x_0 := x.Args[0]
  8012  		if x_0.Op != OpS390XMOVDconst {
  8013  			break
  8014  		}
  8015  		c := x_0.AuxInt
  8016  		x_1 := x.Args[1]
  8017  		if x_1.Op != OpS390XMOVDconst {
  8018  			break
  8019  		}
  8020  		d := x_1.AuxInt
  8021  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8022  			break
  8023  		}
  8024  		v.reset(OpCopy)
  8025  		v.Type = x.Type
  8026  		v.AddArg(x)
  8027  		return true
  8028  	}
  8029  	// match: (MOVBZreg x:(MOVDGT (MOVDconst [c]) (MOVDconst [d]) _))
  8030  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8031  	// result: x
  8032  	for {
  8033  		x := v.Args[0]
  8034  		if x.Op != OpS390XMOVDGT {
  8035  			break
  8036  		}
  8037  		x_0 := x.Args[0]
  8038  		if x_0.Op != OpS390XMOVDconst {
  8039  			break
  8040  		}
  8041  		c := x_0.AuxInt
  8042  		x_1 := x.Args[1]
  8043  		if x_1.Op != OpS390XMOVDconst {
  8044  			break
  8045  		}
  8046  		d := x_1.AuxInt
  8047  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8048  			break
  8049  		}
  8050  		v.reset(OpCopy)
  8051  		v.Type = x.Type
  8052  		v.AddArg(x)
  8053  		return true
  8054  	}
  8055  	// match: (MOVBZreg x:(MOVDGE (MOVDconst [c]) (MOVDconst [d]) _))
  8056  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8057  	// result: x
  8058  	for {
  8059  		x := v.Args[0]
  8060  		if x.Op != OpS390XMOVDGE {
  8061  			break
  8062  		}
  8063  		x_0 := x.Args[0]
  8064  		if x_0.Op != OpS390XMOVDconst {
  8065  			break
  8066  		}
  8067  		c := x_0.AuxInt
  8068  		x_1 := x.Args[1]
  8069  		if x_1.Op != OpS390XMOVDconst {
  8070  			break
  8071  		}
  8072  		d := x_1.AuxInt
  8073  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8074  			break
  8075  		}
  8076  		v.reset(OpCopy)
  8077  		v.Type = x.Type
  8078  		v.AddArg(x)
  8079  		return true
  8080  	}
  8081  	// match: (MOVBZreg x:(MOVDEQ (MOVDconst [c]) (MOVDconst [d]) _))
  8082  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8083  	// result: x
  8084  	for {
  8085  		x := v.Args[0]
  8086  		if x.Op != OpS390XMOVDEQ {
  8087  			break
  8088  		}
  8089  		x_0 := x.Args[0]
  8090  		if x_0.Op != OpS390XMOVDconst {
  8091  			break
  8092  		}
  8093  		c := x_0.AuxInt
  8094  		x_1 := x.Args[1]
  8095  		if x_1.Op != OpS390XMOVDconst {
  8096  			break
  8097  		}
  8098  		d := x_1.AuxInt
  8099  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8100  			break
  8101  		}
  8102  		v.reset(OpCopy)
  8103  		v.Type = x.Type
  8104  		v.AddArg(x)
  8105  		return true
  8106  	}
  8107  	// match: (MOVBZreg x:(MOVDNE (MOVDconst [c]) (MOVDconst [d]) _))
  8108  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8109  	// result: x
  8110  	for {
  8111  		x := v.Args[0]
  8112  		if x.Op != OpS390XMOVDNE {
  8113  			break
  8114  		}
  8115  		x_0 := x.Args[0]
  8116  		if x_0.Op != OpS390XMOVDconst {
  8117  			break
  8118  		}
  8119  		c := x_0.AuxInt
  8120  		x_1 := x.Args[1]
  8121  		if x_1.Op != OpS390XMOVDconst {
  8122  			break
  8123  		}
  8124  		d := x_1.AuxInt
  8125  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8126  			break
  8127  		}
  8128  		v.reset(OpCopy)
  8129  		v.Type = x.Type
  8130  		v.AddArg(x)
  8131  		return true
  8132  	}
  8133  	// match: (MOVBZreg x:(MOVDGTnoinv (MOVDconst [c]) (MOVDconst [d]) _))
  8134  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8135  	// result: x
  8136  	for {
  8137  		x := v.Args[0]
  8138  		if x.Op != OpS390XMOVDGTnoinv {
  8139  			break
  8140  		}
  8141  		x_0 := x.Args[0]
  8142  		if x_0.Op != OpS390XMOVDconst {
  8143  			break
  8144  		}
  8145  		c := x_0.AuxInt
  8146  		x_1 := x.Args[1]
  8147  		if x_1.Op != OpS390XMOVDconst {
  8148  			break
  8149  		}
  8150  		d := x_1.AuxInt
  8151  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8152  			break
  8153  		}
  8154  		v.reset(OpCopy)
  8155  		v.Type = x.Type
  8156  		v.AddArg(x)
  8157  		return true
  8158  	}
  8159  	// match: (MOVBZreg x:(MOVDGEnoinv (MOVDconst [c]) (MOVDconst [d]) _))
  8160  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8161  	// result: x
  8162  	for {
  8163  		x := v.Args[0]
  8164  		if x.Op != OpS390XMOVDGEnoinv {
  8165  			break
  8166  		}
  8167  		x_0 := x.Args[0]
  8168  		if x_0.Op != OpS390XMOVDconst {
  8169  			break
  8170  		}
  8171  		c := x_0.AuxInt
  8172  		x_1 := x.Args[1]
  8173  		if x_1.Op != OpS390XMOVDconst {
  8174  			break
  8175  		}
  8176  		d := x_1.AuxInt
  8177  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8178  			break
  8179  		}
  8180  		v.reset(OpCopy)
  8181  		v.Type = x.Type
  8182  		v.AddArg(x)
  8183  		return true
  8184  	}
  8185  	// match: (MOVBZreg x:(MOVBZload _ _))
  8186  	// cond:
  8187  	// result: x
  8188  	for {
  8189  		x := v.Args[0]
  8190  		if x.Op != OpS390XMOVBZload {
  8191  			break
  8192  		}
  8193  		v.reset(OpCopy)
  8194  		v.Type = x.Type
  8195  		v.AddArg(x)
  8196  		return true
  8197  	}
  8198  	// match: (MOVBZreg x:(Arg <t>))
  8199  	// cond: is8BitInt(t) && !isSigned(t)
  8200  	// result: x
  8201  	for {
  8202  		x := v.Args[0]
  8203  		if x.Op != OpArg {
  8204  			break
  8205  		}
  8206  		t := x.Type
  8207  		if !(is8BitInt(t) && !isSigned(t)) {
  8208  			break
  8209  		}
  8210  		v.reset(OpCopy)
  8211  		v.Type = x.Type
  8212  		v.AddArg(x)
  8213  		return true
  8214  	}
  8215  	// match: (MOVBZreg x:(MOVBZreg _))
  8216  	// cond:
  8217  	// result: x
  8218  	for {
  8219  		x := v.Args[0]
  8220  		if x.Op != OpS390XMOVBZreg {
  8221  			break
  8222  		}
  8223  		v.reset(OpCopy)
  8224  		v.Type = x.Type
  8225  		v.AddArg(x)
  8226  		return true
  8227  	}
  8228  	// match: (MOVBZreg (MOVDconst [c]))
  8229  	// cond:
  8230  	// result: (MOVDconst [int64(uint8(c))])
  8231  	for {
  8232  		v_0 := v.Args[0]
  8233  		if v_0.Op != OpS390XMOVDconst {
  8234  			break
  8235  		}
  8236  		c := v_0.AuxInt
  8237  		v.reset(OpS390XMOVDconst)
  8238  		v.AuxInt = int64(uint8(c))
  8239  		return true
  8240  	}
  8241  	// match: (MOVBZreg x:(MOVBZload [off] {sym} ptr mem))
  8242  	// cond: x.Uses == 1 && clobber(x)
  8243  	// result: @x.Block (MOVBZload <v.Type> [off] {sym} ptr mem)
  8244  	for {
  8245  		x := v.Args[0]
  8246  		if x.Op != OpS390XMOVBZload {
  8247  			break
  8248  		}
  8249  		off := x.AuxInt
  8250  		sym := x.Aux
  8251  		ptr := x.Args[0]
  8252  		mem := x.Args[1]
  8253  		if !(x.Uses == 1 && clobber(x)) {
  8254  			break
  8255  		}
  8256  		b = x.Block
  8257  		v0 := b.NewValue0(v.Line, OpS390XMOVBZload, v.Type)
  8258  		v.reset(OpCopy)
  8259  		v.AddArg(v0)
  8260  		v0.AuxInt = off
  8261  		v0.Aux = sym
  8262  		v0.AddArg(ptr)
  8263  		v0.AddArg(mem)
  8264  		return true
  8265  	}
  8266  	// match: (MOVBZreg x:(MOVBZloadidx [off] {sym} ptr idx mem))
  8267  	// cond: x.Uses == 1 && clobber(x)
  8268  	// result: @x.Block (MOVBZloadidx <v.Type> [off] {sym} ptr idx mem)
  8269  	for {
  8270  		x := v.Args[0]
  8271  		if x.Op != OpS390XMOVBZloadidx {
  8272  			break
  8273  		}
  8274  		off := x.AuxInt
  8275  		sym := x.Aux
  8276  		ptr := x.Args[0]
  8277  		idx := x.Args[1]
  8278  		mem := x.Args[2]
  8279  		if !(x.Uses == 1 && clobber(x)) {
  8280  			break
  8281  		}
  8282  		b = x.Block
  8283  		v0 := b.NewValue0(v.Line, OpS390XMOVBZloadidx, v.Type)
  8284  		v.reset(OpCopy)
  8285  		v.AddArg(v0)
  8286  		v0.AuxInt = off
  8287  		v0.Aux = sym
  8288  		v0.AddArg(ptr)
  8289  		v0.AddArg(idx)
  8290  		v0.AddArg(mem)
  8291  		return true
  8292  	}
  8293  	return false
  8294  }
  8295  func rewriteValueS390X_OpS390XMOVBload(v *Value, config *Config) bool {
  8296  	b := v.Block
  8297  	_ = b
  8298  	// match: (MOVBload   [off1] {sym} (ADDconst [off2] ptr) mem)
  8299  	// cond: is20Bit(off1+off2)
  8300  	// result: (MOVBload  [off1+off2] {sym} ptr mem)
  8301  	for {
  8302  		off1 := v.AuxInt
  8303  		sym := v.Aux
  8304  		v_0 := v.Args[0]
  8305  		if v_0.Op != OpS390XADDconst {
  8306  			break
  8307  		}
  8308  		off2 := v_0.AuxInt
  8309  		ptr := v_0.Args[0]
  8310  		mem := v.Args[1]
  8311  		if !(is20Bit(off1 + off2)) {
  8312  			break
  8313  		}
  8314  		v.reset(OpS390XMOVBload)
  8315  		v.AuxInt = off1 + off2
  8316  		v.Aux = sym
  8317  		v.AddArg(ptr)
  8318  		v.AddArg(mem)
  8319  		return true
  8320  	}
  8321  	// match: (MOVBload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  8322  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8323  	// result: (MOVBload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  8324  	for {
  8325  		off1 := v.AuxInt
  8326  		sym1 := v.Aux
  8327  		v_0 := v.Args[0]
  8328  		if v_0.Op != OpS390XMOVDaddr {
  8329  			break
  8330  		}
  8331  		off2 := v_0.AuxInt
  8332  		sym2 := v_0.Aux
  8333  		base := v_0.Args[0]
  8334  		mem := v.Args[1]
  8335  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8336  			break
  8337  		}
  8338  		v.reset(OpS390XMOVBload)
  8339  		v.AuxInt = off1 + off2
  8340  		v.Aux = mergeSym(sym1, sym2)
  8341  		v.AddArg(base)
  8342  		v.AddArg(mem)
  8343  		return true
  8344  	}
  8345  	return false
  8346  }
  8347  func rewriteValueS390X_OpS390XMOVBreg(v *Value, config *Config) bool {
  8348  	b := v.Block
  8349  	_ = b
  8350  	// match: (MOVBreg x:(MOVBload _ _))
  8351  	// cond:
  8352  	// result: x
  8353  	for {
  8354  		x := v.Args[0]
  8355  		if x.Op != OpS390XMOVBload {
  8356  			break
  8357  		}
  8358  		v.reset(OpCopy)
  8359  		v.Type = x.Type
  8360  		v.AddArg(x)
  8361  		return true
  8362  	}
  8363  	// match: (MOVBreg x:(Arg <t>))
  8364  	// cond: is8BitInt(t) && isSigned(t)
  8365  	// result: x
  8366  	for {
  8367  		x := v.Args[0]
  8368  		if x.Op != OpArg {
  8369  			break
  8370  		}
  8371  		t := x.Type
  8372  		if !(is8BitInt(t) && isSigned(t)) {
  8373  			break
  8374  		}
  8375  		v.reset(OpCopy)
  8376  		v.Type = x.Type
  8377  		v.AddArg(x)
  8378  		return true
  8379  	}
  8380  	// match: (MOVBreg x:(MOVBreg _))
  8381  	// cond:
  8382  	// result: x
  8383  	for {
  8384  		x := v.Args[0]
  8385  		if x.Op != OpS390XMOVBreg {
  8386  			break
  8387  		}
  8388  		v.reset(OpCopy)
  8389  		v.Type = x.Type
  8390  		v.AddArg(x)
  8391  		return true
  8392  	}
  8393  	// match: (MOVBreg (MOVDconst [c]))
  8394  	// cond:
  8395  	// result: (MOVDconst [int64(int8(c))])
  8396  	for {
  8397  		v_0 := v.Args[0]
  8398  		if v_0.Op != OpS390XMOVDconst {
  8399  			break
  8400  		}
  8401  		c := v_0.AuxInt
  8402  		v.reset(OpS390XMOVDconst)
  8403  		v.AuxInt = int64(int8(c))
  8404  		return true
  8405  	}
  8406  	// match: (MOVBreg x:(MOVBZload [off] {sym} ptr mem))
  8407  	// cond: x.Uses == 1 && clobber(x)
  8408  	// result: @x.Block (MOVBload <v.Type> [off] {sym} ptr mem)
  8409  	for {
  8410  		x := v.Args[0]
  8411  		if x.Op != OpS390XMOVBZload {
  8412  			break
  8413  		}
  8414  		off := x.AuxInt
  8415  		sym := x.Aux
  8416  		ptr := x.Args[0]
  8417  		mem := x.Args[1]
  8418  		if !(x.Uses == 1 && clobber(x)) {
  8419  			break
  8420  		}
  8421  		b = x.Block
  8422  		v0 := b.NewValue0(v.Line, OpS390XMOVBload, v.Type)
  8423  		v.reset(OpCopy)
  8424  		v.AddArg(v0)
  8425  		v0.AuxInt = off
  8426  		v0.Aux = sym
  8427  		v0.AddArg(ptr)
  8428  		v0.AddArg(mem)
  8429  		return true
  8430  	}
  8431  	return false
  8432  }
  8433  func rewriteValueS390X_OpS390XMOVBstore(v *Value, config *Config) bool {
  8434  	b := v.Block
  8435  	_ = b
  8436  	// match: (MOVBstore [off] {sym} ptr (MOVBreg x) mem)
  8437  	// cond:
  8438  	// result: (MOVBstore [off] {sym} ptr x mem)
  8439  	for {
  8440  		off := v.AuxInt
  8441  		sym := v.Aux
  8442  		ptr := v.Args[0]
  8443  		v_1 := v.Args[1]
  8444  		if v_1.Op != OpS390XMOVBreg {
  8445  			break
  8446  		}
  8447  		x := v_1.Args[0]
  8448  		mem := v.Args[2]
  8449  		v.reset(OpS390XMOVBstore)
  8450  		v.AuxInt = off
  8451  		v.Aux = sym
  8452  		v.AddArg(ptr)
  8453  		v.AddArg(x)
  8454  		v.AddArg(mem)
  8455  		return true
  8456  	}
  8457  	// match: (MOVBstore [off] {sym} ptr (MOVBZreg x) mem)
  8458  	// cond:
  8459  	// result: (MOVBstore [off] {sym} ptr x mem)
  8460  	for {
  8461  		off := v.AuxInt
  8462  		sym := v.Aux
  8463  		ptr := v.Args[0]
  8464  		v_1 := v.Args[1]
  8465  		if v_1.Op != OpS390XMOVBZreg {
  8466  			break
  8467  		}
  8468  		x := v_1.Args[0]
  8469  		mem := v.Args[2]
  8470  		v.reset(OpS390XMOVBstore)
  8471  		v.AuxInt = off
  8472  		v.Aux = sym
  8473  		v.AddArg(ptr)
  8474  		v.AddArg(x)
  8475  		v.AddArg(mem)
  8476  		return true
  8477  	}
  8478  	// match: (MOVBstore  [off1] {sym} (ADDconst [off2] ptr) val mem)
  8479  	// cond: is20Bit(off1+off2)
  8480  	// result: (MOVBstore  [off1+off2] {sym} ptr val mem)
  8481  	for {
  8482  		off1 := v.AuxInt
  8483  		sym := v.Aux
  8484  		v_0 := v.Args[0]
  8485  		if v_0.Op != OpS390XADDconst {
  8486  			break
  8487  		}
  8488  		off2 := v_0.AuxInt
  8489  		ptr := v_0.Args[0]
  8490  		val := v.Args[1]
  8491  		mem := v.Args[2]
  8492  		if !(is20Bit(off1 + off2)) {
  8493  			break
  8494  		}
  8495  		v.reset(OpS390XMOVBstore)
  8496  		v.AuxInt = off1 + off2
  8497  		v.Aux = sym
  8498  		v.AddArg(ptr)
  8499  		v.AddArg(val)
  8500  		v.AddArg(mem)
  8501  		return true
  8502  	}
  8503  	// match: (MOVBstore [off] {sym} ptr (MOVDconst [c]) mem)
  8504  	// cond: validOff(off) && ptr.Op != OpSB
  8505  	// result: (MOVBstoreconst [makeValAndOff(int64(int8(c)),off)] {sym} ptr mem)
  8506  	for {
  8507  		off := v.AuxInt
  8508  		sym := v.Aux
  8509  		ptr := v.Args[0]
  8510  		v_1 := v.Args[1]
  8511  		if v_1.Op != OpS390XMOVDconst {
  8512  			break
  8513  		}
  8514  		c := v_1.AuxInt
  8515  		mem := v.Args[2]
  8516  		if !(validOff(off) && ptr.Op != OpSB) {
  8517  			break
  8518  		}
  8519  		v.reset(OpS390XMOVBstoreconst)
  8520  		v.AuxInt = makeValAndOff(int64(int8(c)), off)
  8521  		v.Aux = sym
  8522  		v.AddArg(ptr)
  8523  		v.AddArg(mem)
  8524  		return true
  8525  	}
  8526  	// match: (MOVBstore  [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
  8527  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8528  	// result: (MOVBstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  8529  	for {
  8530  		off1 := v.AuxInt
  8531  		sym1 := v.Aux
  8532  		v_0 := v.Args[0]
  8533  		if v_0.Op != OpS390XMOVDaddr {
  8534  			break
  8535  		}
  8536  		off2 := v_0.AuxInt
  8537  		sym2 := v_0.Aux
  8538  		base := v_0.Args[0]
  8539  		val := v.Args[1]
  8540  		mem := v.Args[2]
  8541  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8542  			break
  8543  		}
  8544  		v.reset(OpS390XMOVBstore)
  8545  		v.AuxInt = off1 + off2
  8546  		v.Aux = mergeSym(sym1, sym2)
  8547  		v.AddArg(base)
  8548  		v.AddArg(val)
  8549  		v.AddArg(mem)
  8550  		return true
  8551  	}
  8552  	// match: (MOVBstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
  8553  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8554  	// result: (MOVBstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
  8555  	for {
  8556  		off1 := v.AuxInt
  8557  		sym1 := v.Aux
  8558  		v_0 := v.Args[0]
  8559  		if v_0.Op != OpS390XMOVDaddridx {
  8560  			break
  8561  		}
  8562  		off2 := v_0.AuxInt
  8563  		sym2 := v_0.Aux
  8564  		ptr := v_0.Args[0]
  8565  		idx := v_0.Args[1]
  8566  		val := v.Args[1]
  8567  		mem := v.Args[2]
  8568  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8569  			break
  8570  		}
  8571  		v.reset(OpS390XMOVBstoreidx)
  8572  		v.AuxInt = off1 + off2
  8573  		v.Aux = mergeSym(sym1, sym2)
  8574  		v.AddArg(ptr)
  8575  		v.AddArg(idx)
  8576  		v.AddArg(val)
  8577  		v.AddArg(mem)
  8578  		return true
  8579  	}
  8580  	// match: (MOVBstore [off] {sym} (ADD ptr idx) val mem)
  8581  	// cond: ptr.Op != OpSB
  8582  	// result: (MOVBstoreidx [off] {sym} ptr idx val mem)
  8583  	for {
  8584  		off := v.AuxInt
  8585  		sym := v.Aux
  8586  		v_0 := v.Args[0]
  8587  		if v_0.Op != OpS390XADD {
  8588  			break
  8589  		}
  8590  		ptr := v_0.Args[0]
  8591  		idx := v_0.Args[1]
  8592  		val := v.Args[1]
  8593  		mem := v.Args[2]
  8594  		if !(ptr.Op != OpSB) {
  8595  			break
  8596  		}
  8597  		v.reset(OpS390XMOVBstoreidx)
  8598  		v.AuxInt = off
  8599  		v.Aux = sym
  8600  		v.AddArg(ptr)
  8601  		v.AddArg(idx)
  8602  		v.AddArg(val)
  8603  		v.AddArg(mem)
  8604  		return true
  8605  	}
  8606  	// match: (MOVBstore [i] {s} p w x:(MOVBstore [i-1] {s} p (SRDconst [8] w) mem))
  8607  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8608  	// result: (MOVHstore [i-1] {s} p w mem)
  8609  	for {
  8610  		i := v.AuxInt
  8611  		s := v.Aux
  8612  		p := v.Args[0]
  8613  		w := v.Args[1]
  8614  		x := v.Args[2]
  8615  		if x.Op != OpS390XMOVBstore {
  8616  			break
  8617  		}
  8618  		if x.AuxInt != i-1 {
  8619  			break
  8620  		}
  8621  		if x.Aux != s {
  8622  			break
  8623  		}
  8624  		if p != x.Args[0] {
  8625  			break
  8626  		}
  8627  		x_1 := x.Args[1]
  8628  		if x_1.Op != OpS390XSRDconst {
  8629  			break
  8630  		}
  8631  		if x_1.AuxInt != 8 {
  8632  			break
  8633  		}
  8634  		if w != x_1.Args[0] {
  8635  			break
  8636  		}
  8637  		mem := x.Args[2]
  8638  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8639  			break
  8640  		}
  8641  		v.reset(OpS390XMOVHstore)
  8642  		v.AuxInt = i - 1
  8643  		v.Aux = s
  8644  		v.AddArg(p)
  8645  		v.AddArg(w)
  8646  		v.AddArg(mem)
  8647  		return true
  8648  	}
  8649  	// match: (MOVBstore [i] {s} p w0:(SRDconst [j] w) x:(MOVBstore [i-1] {s} p (SRDconst [j+8] w) mem))
  8650  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8651  	// result: (MOVHstore [i-1] {s} p w0 mem)
  8652  	for {
  8653  		i := v.AuxInt
  8654  		s := v.Aux
  8655  		p := v.Args[0]
  8656  		w0 := v.Args[1]
  8657  		if w0.Op != OpS390XSRDconst {
  8658  			break
  8659  		}
  8660  		j := w0.AuxInt
  8661  		w := w0.Args[0]
  8662  		x := v.Args[2]
  8663  		if x.Op != OpS390XMOVBstore {
  8664  			break
  8665  		}
  8666  		if x.AuxInt != i-1 {
  8667  			break
  8668  		}
  8669  		if x.Aux != s {
  8670  			break
  8671  		}
  8672  		if p != x.Args[0] {
  8673  			break
  8674  		}
  8675  		x_1 := x.Args[1]
  8676  		if x_1.Op != OpS390XSRDconst {
  8677  			break
  8678  		}
  8679  		if x_1.AuxInt != j+8 {
  8680  			break
  8681  		}
  8682  		if w != x_1.Args[0] {
  8683  			break
  8684  		}
  8685  		mem := x.Args[2]
  8686  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8687  			break
  8688  		}
  8689  		v.reset(OpS390XMOVHstore)
  8690  		v.AuxInt = i - 1
  8691  		v.Aux = s
  8692  		v.AddArg(p)
  8693  		v.AddArg(w0)
  8694  		v.AddArg(mem)
  8695  		return true
  8696  	}
  8697  	// match: (MOVBstore [i] {s} p w x:(MOVBstore [i-1] {s} p (SRWconst [8] w) mem))
  8698  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8699  	// result: (MOVHstore [i-1] {s} p w mem)
  8700  	for {
  8701  		i := v.AuxInt
  8702  		s := v.Aux
  8703  		p := v.Args[0]
  8704  		w := v.Args[1]
  8705  		x := v.Args[2]
  8706  		if x.Op != OpS390XMOVBstore {
  8707  			break
  8708  		}
  8709  		if x.AuxInt != i-1 {
  8710  			break
  8711  		}
  8712  		if x.Aux != s {
  8713  			break
  8714  		}
  8715  		if p != x.Args[0] {
  8716  			break
  8717  		}
  8718  		x_1 := x.Args[1]
  8719  		if x_1.Op != OpS390XSRWconst {
  8720  			break
  8721  		}
  8722  		if x_1.AuxInt != 8 {
  8723  			break
  8724  		}
  8725  		if w != x_1.Args[0] {
  8726  			break
  8727  		}
  8728  		mem := x.Args[2]
  8729  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8730  			break
  8731  		}
  8732  		v.reset(OpS390XMOVHstore)
  8733  		v.AuxInt = i - 1
  8734  		v.Aux = s
  8735  		v.AddArg(p)
  8736  		v.AddArg(w)
  8737  		v.AddArg(mem)
  8738  		return true
  8739  	}
  8740  	// match: (MOVBstore [i] {s} p w0:(SRWconst [j] w) x:(MOVBstore [i-1] {s} p (SRWconst [j+8] w) mem))
  8741  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8742  	// result: (MOVHstore [i-1] {s} p w0 mem)
  8743  	for {
  8744  		i := v.AuxInt
  8745  		s := v.Aux
  8746  		p := v.Args[0]
  8747  		w0 := v.Args[1]
  8748  		if w0.Op != OpS390XSRWconst {
  8749  			break
  8750  		}
  8751  		j := w0.AuxInt
  8752  		w := w0.Args[0]
  8753  		x := v.Args[2]
  8754  		if x.Op != OpS390XMOVBstore {
  8755  			break
  8756  		}
  8757  		if x.AuxInt != i-1 {
  8758  			break
  8759  		}
  8760  		if x.Aux != s {
  8761  			break
  8762  		}
  8763  		if p != x.Args[0] {
  8764  			break
  8765  		}
  8766  		x_1 := x.Args[1]
  8767  		if x_1.Op != OpS390XSRWconst {
  8768  			break
  8769  		}
  8770  		if x_1.AuxInt != j+8 {
  8771  			break
  8772  		}
  8773  		if w != x_1.Args[0] {
  8774  			break
  8775  		}
  8776  		mem := x.Args[2]
  8777  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8778  			break
  8779  		}
  8780  		v.reset(OpS390XMOVHstore)
  8781  		v.AuxInt = i - 1
  8782  		v.Aux = s
  8783  		v.AddArg(p)
  8784  		v.AddArg(w0)
  8785  		v.AddArg(mem)
  8786  		return true
  8787  	}
  8788  	// match: (MOVBstore [i] {s} p (SRDconst [8] w) x:(MOVBstore [i-1] {s} p w mem))
  8789  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8790  	// result: (MOVHBRstore [i-1] {s} p w mem)
  8791  	for {
  8792  		i := v.AuxInt
  8793  		s := v.Aux
  8794  		p := v.Args[0]
  8795  		v_1 := v.Args[1]
  8796  		if v_1.Op != OpS390XSRDconst {
  8797  			break
  8798  		}
  8799  		if v_1.AuxInt != 8 {
  8800  			break
  8801  		}
  8802  		w := v_1.Args[0]
  8803  		x := v.Args[2]
  8804  		if x.Op != OpS390XMOVBstore {
  8805  			break
  8806  		}
  8807  		if x.AuxInt != i-1 {
  8808  			break
  8809  		}
  8810  		if x.Aux != s {
  8811  			break
  8812  		}
  8813  		if p != x.Args[0] {
  8814  			break
  8815  		}
  8816  		if w != x.Args[1] {
  8817  			break
  8818  		}
  8819  		mem := x.Args[2]
  8820  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8821  			break
  8822  		}
  8823  		v.reset(OpS390XMOVHBRstore)
  8824  		v.AuxInt = i - 1
  8825  		v.Aux = s
  8826  		v.AddArg(p)
  8827  		v.AddArg(w)
  8828  		v.AddArg(mem)
  8829  		return true
  8830  	}
  8831  	// match: (MOVBstore [i] {s} p (SRDconst [j] w) x:(MOVBstore [i-1] {s} p w0:(SRDconst [j-8] w) mem))
  8832  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8833  	// result: (MOVHBRstore [i-1] {s} p w0 mem)
  8834  	for {
  8835  		i := v.AuxInt
  8836  		s := v.Aux
  8837  		p := v.Args[0]
  8838  		v_1 := v.Args[1]
  8839  		if v_1.Op != OpS390XSRDconst {
  8840  			break
  8841  		}
  8842  		j := v_1.AuxInt
  8843  		w := v_1.Args[0]
  8844  		x := v.Args[2]
  8845  		if x.Op != OpS390XMOVBstore {
  8846  			break
  8847  		}
  8848  		if x.AuxInt != i-1 {
  8849  			break
  8850  		}
  8851  		if x.Aux != s {
  8852  			break
  8853  		}
  8854  		if p != x.Args[0] {
  8855  			break
  8856  		}
  8857  		w0 := x.Args[1]
  8858  		if w0.Op != OpS390XSRDconst {
  8859  			break
  8860  		}
  8861  		if w0.AuxInt != j-8 {
  8862  			break
  8863  		}
  8864  		if w != w0.Args[0] {
  8865  			break
  8866  		}
  8867  		mem := x.Args[2]
  8868  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8869  			break
  8870  		}
  8871  		v.reset(OpS390XMOVHBRstore)
  8872  		v.AuxInt = i - 1
  8873  		v.Aux = s
  8874  		v.AddArg(p)
  8875  		v.AddArg(w0)
  8876  		v.AddArg(mem)
  8877  		return true
  8878  	}
  8879  	// match: (MOVBstore [i] {s} p (SRWconst [8] w) x:(MOVBstore [i-1] {s} p w mem))
  8880  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8881  	// result: (MOVHBRstore [i-1] {s} p w mem)
  8882  	for {
  8883  		i := v.AuxInt
  8884  		s := v.Aux
  8885  		p := v.Args[0]
  8886  		v_1 := v.Args[1]
  8887  		if v_1.Op != OpS390XSRWconst {
  8888  			break
  8889  		}
  8890  		if v_1.AuxInt != 8 {
  8891  			break
  8892  		}
  8893  		w := v_1.Args[0]
  8894  		x := v.Args[2]
  8895  		if x.Op != OpS390XMOVBstore {
  8896  			break
  8897  		}
  8898  		if x.AuxInt != i-1 {
  8899  			break
  8900  		}
  8901  		if x.Aux != s {
  8902  			break
  8903  		}
  8904  		if p != x.Args[0] {
  8905  			break
  8906  		}
  8907  		if w != x.Args[1] {
  8908  			break
  8909  		}
  8910  		mem := x.Args[2]
  8911  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8912  			break
  8913  		}
  8914  		v.reset(OpS390XMOVHBRstore)
  8915  		v.AuxInt = i - 1
  8916  		v.Aux = s
  8917  		v.AddArg(p)
  8918  		v.AddArg(w)
  8919  		v.AddArg(mem)
  8920  		return true
  8921  	}
  8922  	// match: (MOVBstore [i] {s} p (SRWconst [j] w) x:(MOVBstore [i-1] {s} p w0:(SRWconst [j-8] w) mem))
  8923  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8924  	// result: (MOVHBRstore [i-1] {s} p w0 mem)
  8925  	for {
  8926  		i := v.AuxInt
  8927  		s := v.Aux
  8928  		p := v.Args[0]
  8929  		v_1 := v.Args[1]
  8930  		if v_1.Op != OpS390XSRWconst {
  8931  			break
  8932  		}
  8933  		j := v_1.AuxInt
  8934  		w := v_1.Args[0]
  8935  		x := v.Args[2]
  8936  		if x.Op != OpS390XMOVBstore {
  8937  			break
  8938  		}
  8939  		if x.AuxInt != i-1 {
  8940  			break
  8941  		}
  8942  		if x.Aux != s {
  8943  			break
  8944  		}
  8945  		if p != x.Args[0] {
  8946  			break
  8947  		}
  8948  		w0 := x.Args[1]
  8949  		if w0.Op != OpS390XSRWconst {
  8950  			break
  8951  		}
  8952  		if w0.AuxInt != j-8 {
  8953  			break
  8954  		}
  8955  		if w != w0.Args[0] {
  8956  			break
  8957  		}
  8958  		mem := x.Args[2]
  8959  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8960  			break
  8961  		}
  8962  		v.reset(OpS390XMOVHBRstore)
  8963  		v.AuxInt = i - 1
  8964  		v.Aux = s
  8965  		v.AddArg(p)
  8966  		v.AddArg(w0)
  8967  		v.AddArg(mem)
  8968  		return true
  8969  	}
  8970  	return false
  8971  }
  8972  func rewriteValueS390X_OpS390XMOVBstoreconst(v *Value, config *Config) bool {
  8973  	b := v.Block
  8974  	_ = b
  8975  	// match: (MOVBstoreconst [sc] {s} (ADDconst [off] ptr) mem)
  8976  	// cond: ValAndOff(sc).canAdd(off)
  8977  	// result: (MOVBstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
  8978  	for {
  8979  		sc := v.AuxInt
  8980  		s := v.Aux
  8981  		v_0 := v.Args[0]
  8982  		if v_0.Op != OpS390XADDconst {
  8983  			break
  8984  		}
  8985  		off := v_0.AuxInt
  8986  		ptr := v_0.Args[0]
  8987  		mem := v.Args[1]
  8988  		if !(ValAndOff(sc).canAdd(off)) {
  8989  			break
  8990  		}
  8991  		v.reset(OpS390XMOVBstoreconst)
  8992  		v.AuxInt = ValAndOff(sc).add(off)
  8993  		v.Aux = s
  8994  		v.AddArg(ptr)
  8995  		v.AddArg(mem)
  8996  		return true
  8997  	}
  8998  	// match: (MOVBstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
  8999  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
  9000  	// result: (MOVBstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
  9001  	for {
  9002  		sc := v.AuxInt
  9003  		sym1 := v.Aux
  9004  		v_0 := v.Args[0]
  9005  		if v_0.Op != OpS390XMOVDaddr {
  9006  			break
  9007  		}
  9008  		off := v_0.AuxInt
  9009  		sym2 := v_0.Aux
  9010  		ptr := v_0.Args[0]
  9011  		mem := v.Args[1]
  9012  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
  9013  			break
  9014  		}
  9015  		v.reset(OpS390XMOVBstoreconst)
  9016  		v.AuxInt = ValAndOff(sc).add(off)
  9017  		v.Aux = mergeSym(sym1, sym2)
  9018  		v.AddArg(ptr)
  9019  		v.AddArg(mem)
  9020  		return true
  9021  	}
  9022  	// match: (MOVBstoreconst [c] {s} p x:(MOVBstoreconst [a] {s} p mem))
  9023  	// cond: p.Op != OpSB   && x.Uses == 1   && ValAndOff(a).Off() + 1 == ValAndOff(c).Off()   && clobber(x)
  9024  	// result: (MOVHstoreconst [makeValAndOff(ValAndOff(c).Val()&0xff | ValAndOff(a).Val()<<8, ValAndOff(a).Off())] {s} p mem)
  9025  	for {
  9026  		c := v.AuxInt
  9027  		s := v.Aux
  9028  		p := v.Args[0]
  9029  		x := v.Args[1]
  9030  		if x.Op != OpS390XMOVBstoreconst {
  9031  			break
  9032  		}
  9033  		a := x.AuxInt
  9034  		if x.Aux != s {
  9035  			break
  9036  		}
  9037  		if p != x.Args[0] {
  9038  			break
  9039  		}
  9040  		mem := x.Args[1]
  9041  		if !(p.Op != OpSB && x.Uses == 1 && ValAndOff(a).Off()+1 == ValAndOff(c).Off() && clobber(x)) {
  9042  			break
  9043  		}
  9044  		v.reset(OpS390XMOVHstoreconst)
  9045  		v.AuxInt = makeValAndOff(ValAndOff(c).Val()&0xff|ValAndOff(a).Val()<<8, ValAndOff(a).Off())
  9046  		v.Aux = s
  9047  		v.AddArg(p)
  9048  		v.AddArg(mem)
  9049  		return true
  9050  	}
  9051  	return false
  9052  }
  9053  func rewriteValueS390X_OpS390XMOVBstoreidx(v *Value, config *Config) bool {
  9054  	b := v.Block
  9055  	_ = b
  9056  	// match: (MOVBstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
  9057  	// cond:
  9058  	// result: (MOVBstoreidx [c+d] {sym} ptr idx val mem)
  9059  	for {
  9060  		c := v.AuxInt
  9061  		sym := v.Aux
  9062  		v_0 := v.Args[0]
  9063  		if v_0.Op != OpS390XADDconst {
  9064  			break
  9065  		}
  9066  		d := v_0.AuxInt
  9067  		ptr := v_0.Args[0]
  9068  		idx := v.Args[1]
  9069  		val := v.Args[2]
  9070  		mem := v.Args[3]
  9071  		v.reset(OpS390XMOVBstoreidx)
  9072  		v.AuxInt = c + d
  9073  		v.Aux = sym
  9074  		v.AddArg(ptr)
  9075  		v.AddArg(idx)
  9076  		v.AddArg(val)
  9077  		v.AddArg(mem)
  9078  		return true
  9079  	}
  9080  	// match: (MOVBstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
  9081  	// cond:
  9082  	// result: (MOVBstoreidx [c+d] {sym} ptr idx val mem)
  9083  	for {
  9084  		c := v.AuxInt
  9085  		sym := v.Aux
  9086  		ptr := v.Args[0]
  9087  		v_1 := v.Args[1]
  9088  		if v_1.Op != OpS390XADDconst {
  9089  			break
  9090  		}
  9091  		d := v_1.AuxInt
  9092  		idx := v_1.Args[0]
  9093  		val := v.Args[2]
  9094  		mem := v.Args[3]
  9095  		v.reset(OpS390XMOVBstoreidx)
  9096  		v.AuxInt = c + d
  9097  		v.Aux = sym
  9098  		v.AddArg(ptr)
  9099  		v.AddArg(idx)
  9100  		v.AddArg(val)
  9101  		v.AddArg(mem)
  9102  		return true
  9103  	}
  9104  	// match: (MOVBstoreidx [i] {s} p idx w x:(MOVBstoreidx [i-1] {s} p idx (SRDconst [8] w) mem))
  9105  	// cond: x.Uses == 1   && clobber(x)
  9106  	// result: (MOVHstoreidx [i-1] {s} p idx w mem)
  9107  	for {
  9108  		i := v.AuxInt
  9109  		s := v.Aux
  9110  		p := v.Args[0]
  9111  		idx := v.Args[1]
  9112  		w := v.Args[2]
  9113  		x := v.Args[3]
  9114  		if x.Op != OpS390XMOVBstoreidx {
  9115  			break
  9116  		}
  9117  		if x.AuxInt != i-1 {
  9118  			break
  9119  		}
  9120  		if x.Aux != s {
  9121  			break
  9122  		}
  9123  		if p != x.Args[0] {
  9124  			break
  9125  		}
  9126  		if idx != x.Args[1] {
  9127  			break
  9128  		}
  9129  		x_2 := x.Args[2]
  9130  		if x_2.Op != OpS390XSRDconst {
  9131  			break
  9132  		}
  9133  		if x_2.AuxInt != 8 {
  9134  			break
  9135  		}
  9136  		if w != x_2.Args[0] {
  9137  			break
  9138  		}
  9139  		mem := x.Args[3]
  9140  		if !(x.Uses == 1 && clobber(x)) {
  9141  			break
  9142  		}
  9143  		v.reset(OpS390XMOVHstoreidx)
  9144  		v.AuxInt = i - 1
  9145  		v.Aux = s
  9146  		v.AddArg(p)
  9147  		v.AddArg(idx)
  9148  		v.AddArg(w)
  9149  		v.AddArg(mem)
  9150  		return true
  9151  	}
  9152  	// match: (MOVBstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx (SRDconst [j+8] w) mem))
  9153  	// cond: x.Uses == 1   && clobber(x)
  9154  	// result: (MOVHstoreidx [i-1] {s} p idx w0 mem)
  9155  	for {
  9156  		i := v.AuxInt
  9157  		s := v.Aux
  9158  		p := v.Args[0]
  9159  		idx := v.Args[1]
  9160  		w0 := v.Args[2]
  9161  		if w0.Op != OpS390XSRDconst {
  9162  			break
  9163  		}
  9164  		j := w0.AuxInt
  9165  		w := w0.Args[0]
  9166  		x := v.Args[3]
  9167  		if x.Op != OpS390XMOVBstoreidx {
  9168  			break
  9169  		}
  9170  		if x.AuxInt != i-1 {
  9171  			break
  9172  		}
  9173  		if x.Aux != s {
  9174  			break
  9175  		}
  9176  		if p != x.Args[0] {
  9177  			break
  9178  		}
  9179  		if idx != x.Args[1] {
  9180  			break
  9181  		}
  9182  		x_2 := x.Args[2]
  9183  		if x_2.Op != OpS390XSRDconst {
  9184  			break
  9185  		}
  9186  		if x_2.AuxInt != j+8 {
  9187  			break
  9188  		}
  9189  		if w != x_2.Args[0] {
  9190  			break
  9191  		}
  9192  		mem := x.Args[3]
  9193  		if !(x.Uses == 1 && clobber(x)) {
  9194  			break
  9195  		}
  9196  		v.reset(OpS390XMOVHstoreidx)
  9197  		v.AuxInt = i - 1
  9198  		v.Aux = s
  9199  		v.AddArg(p)
  9200  		v.AddArg(idx)
  9201  		v.AddArg(w0)
  9202  		v.AddArg(mem)
  9203  		return true
  9204  	}
  9205  	// match: (MOVBstoreidx [i] {s} p idx w x:(MOVBstoreidx [i-1] {s} p idx (SRWconst [8] w) mem))
  9206  	// cond: x.Uses == 1   && clobber(x)
  9207  	// result: (MOVHstoreidx [i-1] {s} p idx w mem)
  9208  	for {
  9209  		i := v.AuxInt
  9210  		s := v.Aux
  9211  		p := v.Args[0]
  9212  		idx := v.Args[1]
  9213  		w := v.Args[2]
  9214  		x := v.Args[3]
  9215  		if x.Op != OpS390XMOVBstoreidx {
  9216  			break
  9217  		}
  9218  		if x.AuxInt != i-1 {
  9219  			break
  9220  		}
  9221  		if x.Aux != s {
  9222  			break
  9223  		}
  9224  		if p != x.Args[0] {
  9225  			break
  9226  		}
  9227  		if idx != x.Args[1] {
  9228  			break
  9229  		}
  9230  		x_2 := x.Args[2]
  9231  		if x_2.Op != OpS390XSRWconst {
  9232  			break
  9233  		}
  9234  		if x_2.AuxInt != 8 {
  9235  			break
  9236  		}
  9237  		if w != x_2.Args[0] {
  9238  			break
  9239  		}
  9240  		mem := x.Args[3]
  9241  		if !(x.Uses == 1 && clobber(x)) {
  9242  			break
  9243  		}
  9244  		v.reset(OpS390XMOVHstoreidx)
  9245  		v.AuxInt = i - 1
  9246  		v.Aux = s
  9247  		v.AddArg(p)
  9248  		v.AddArg(idx)
  9249  		v.AddArg(w)
  9250  		v.AddArg(mem)
  9251  		return true
  9252  	}
  9253  	// match: (MOVBstoreidx [i] {s} p idx w0:(SRWconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx (SRWconst [j+8] w) mem))
  9254  	// cond: x.Uses == 1   && clobber(x)
  9255  	// result: (MOVHstoreidx [i-1] {s} p idx w0 mem)
  9256  	for {
  9257  		i := v.AuxInt
  9258  		s := v.Aux
  9259  		p := v.Args[0]
  9260  		idx := v.Args[1]
  9261  		w0 := v.Args[2]
  9262  		if w0.Op != OpS390XSRWconst {
  9263  			break
  9264  		}
  9265  		j := w0.AuxInt
  9266  		w := w0.Args[0]
  9267  		x := v.Args[3]
  9268  		if x.Op != OpS390XMOVBstoreidx {
  9269  			break
  9270  		}
  9271  		if x.AuxInt != i-1 {
  9272  			break
  9273  		}
  9274  		if x.Aux != s {
  9275  			break
  9276  		}
  9277  		if p != x.Args[0] {
  9278  			break
  9279  		}
  9280  		if idx != x.Args[1] {
  9281  			break
  9282  		}
  9283  		x_2 := x.Args[2]
  9284  		if x_2.Op != OpS390XSRWconst {
  9285  			break
  9286  		}
  9287  		if x_2.AuxInt != j+8 {
  9288  			break
  9289  		}
  9290  		if w != x_2.Args[0] {
  9291  			break
  9292  		}
  9293  		mem := x.Args[3]
  9294  		if !(x.Uses == 1 && clobber(x)) {
  9295  			break
  9296  		}
  9297  		v.reset(OpS390XMOVHstoreidx)
  9298  		v.AuxInt = i - 1
  9299  		v.Aux = s
  9300  		v.AddArg(p)
  9301  		v.AddArg(idx)
  9302  		v.AddArg(w0)
  9303  		v.AddArg(mem)
  9304  		return true
  9305  	}
  9306  	// match: (MOVBstoreidx [i] {s} p idx (SRDconst [8] w) x:(MOVBstoreidx [i-1] {s} p idx w mem))
  9307  	// cond: x.Uses == 1   && clobber(x)
  9308  	// result: (MOVHBRstoreidx [i-1] {s} p idx w mem)
  9309  	for {
  9310  		i := v.AuxInt
  9311  		s := v.Aux
  9312  		p := v.Args[0]
  9313  		idx := v.Args[1]
  9314  		v_2 := v.Args[2]
  9315  		if v_2.Op != OpS390XSRDconst {
  9316  			break
  9317  		}
  9318  		if v_2.AuxInt != 8 {
  9319  			break
  9320  		}
  9321  		w := v_2.Args[0]
  9322  		x := v.Args[3]
  9323  		if x.Op != OpS390XMOVBstoreidx {
  9324  			break
  9325  		}
  9326  		if x.AuxInt != i-1 {
  9327  			break
  9328  		}
  9329  		if x.Aux != s {
  9330  			break
  9331  		}
  9332  		if p != x.Args[0] {
  9333  			break
  9334  		}
  9335  		if idx != x.Args[1] {
  9336  			break
  9337  		}
  9338  		if w != x.Args[2] {
  9339  			break
  9340  		}
  9341  		mem := x.Args[3]
  9342  		if !(x.Uses == 1 && clobber(x)) {
  9343  			break
  9344  		}
  9345  		v.reset(OpS390XMOVHBRstoreidx)
  9346  		v.AuxInt = i - 1
  9347  		v.Aux = s
  9348  		v.AddArg(p)
  9349  		v.AddArg(idx)
  9350  		v.AddArg(w)
  9351  		v.AddArg(mem)
  9352  		return true
  9353  	}
  9354  	// match: (MOVBstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx w0:(SRDconst [j-8] w) mem))
  9355  	// cond: x.Uses == 1   && clobber(x)
  9356  	// result: (MOVHBRstoreidx [i-1] {s} p idx w0 mem)
  9357  	for {
  9358  		i := v.AuxInt
  9359  		s := v.Aux
  9360  		p := v.Args[0]
  9361  		idx := v.Args[1]
  9362  		v_2 := v.Args[2]
  9363  		if v_2.Op != OpS390XSRDconst {
  9364  			break
  9365  		}
  9366  		j := v_2.AuxInt
  9367  		w := v_2.Args[0]
  9368  		x := v.Args[3]
  9369  		if x.Op != OpS390XMOVBstoreidx {
  9370  			break
  9371  		}
  9372  		if x.AuxInt != i-1 {
  9373  			break
  9374  		}
  9375  		if x.Aux != s {
  9376  			break
  9377  		}
  9378  		if p != x.Args[0] {
  9379  			break
  9380  		}
  9381  		if idx != x.Args[1] {
  9382  			break
  9383  		}
  9384  		w0 := x.Args[2]
  9385  		if w0.Op != OpS390XSRDconst {
  9386  			break
  9387  		}
  9388  		if w0.AuxInt != j-8 {
  9389  			break
  9390  		}
  9391  		if w != w0.Args[0] {
  9392  			break
  9393  		}
  9394  		mem := x.Args[3]
  9395  		if !(x.Uses == 1 && clobber(x)) {
  9396  			break
  9397  		}
  9398  		v.reset(OpS390XMOVHBRstoreidx)
  9399  		v.AuxInt = i - 1
  9400  		v.Aux = s
  9401  		v.AddArg(p)
  9402  		v.AddArg(idx)
  9403  		v.AddArg(w0)
  9404  		v.AddArg(mem)
  9405  		return true
  9406  	}
  9407  	// match: (MOVBstoreidx [i] {s} p idx (SRWconst [8] w) x:(MOVBstoreidx [i-1] {s} p idx w mem))
  9408  	// cond: x.Uses == 1   && clobber(x)
  9409  	// result: (MOVHBRstoreidx [i-1] {s} p idx w mem)
  9410  	for {
  9411  		i := v.AuxInt
  9412  		s := v.Aux
  9413  		p := v.Args[0]
  9414  		idx := v.Args[1]
  9415  		v_2 := v.Args[2]
  9416  		if v_2.Op != OpS390XSRWconst {
  9417  			break
  9418  		}
  9419  		if v_2.AuxInt != 8 {
  9420  			break
  9421  		}
  9422  		w := v_2.Args[0]
  9423  		x := v.Args[3]
  9424  		if x.Op != OpS390XMOVBstoreidx {
  9425  			break
  9426  		}
  9427  		if x.AuxInt != i-1 {
  9428  			break
  9429  		}
  9430  		if x.Aux != s {
  9431  			break
  9432  		}
  9433  		if p != x.Args[0] {
  9434  			break
  9435  		}
  9436  		if idx != x.Args[1] {
  9437  			break
  9438  		}
  9439  		if w != x.Args[2] {
  9440  			break
  9441  		}
  9442  		mem := x.Args[3]
  9443  		if !(x.Uses == 1 && clobber(x)) {
  9444  			break
  9445  		}
  9446  		v.reset(OpS390XMOVHBRstoreidx)
  9447  		v.AuxInt = i - 1
  9448  		v.Aux = s
  9449  		v.AddArg(p)
  9450  		v.AddArg(idx)
  9451  		v.AddArg(w)
  9452  		v.AddArg(mem)
  9453  		return true
  9454  	}
  9455  	// match: (MOVBstoreidx [i] {s} p idx (SRWconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx w0:(SRWconst [j-8] w) mem))
  9456  	// cond: x.Uses == 1   && clobber(x)
  9457  	// result: (MOVHBRstoreidx [i-1] {s} p idx w0 mem)
  9458  	for {
  9459  		i := v.AuxInt
  9460  		s := v.Aux
  9461  		p := v.Args[0]
  9462  		idx := v.Args[1]
  9463  		v_2 := v.Args[2]
  9464  		if v_2.Op != OpS390XSRWconst {
  9465  			break
  9466  		}
  9467  		j := v_2.AuxInt
  9468  		w := v_2.Args[0]
  9469  		x := v.Args[3]
  9470  		if x.Op != OpS390XMOVBstoreidx {
  9471  			break
  9472  		}
  9473  		if x.AuxInt != i-1 {
  9474  			break
  9475  		}
  9476  		if x.Aux != s {
  9477  			break
  9478  		}
  9479  		if p != x.Args[0] {
  9480  			break
  9481  		}
  9482  		if idx != x.Args[1] {
  9483  			break
  9484  		}
  9485  		w0 := x.Args[2]
  9486  		if w0.Op != OpS390XSRWconst {
  9487  			break
  9488  		}
  9489  		if w0.AuxInt != j-8 {
  9490  			break
  9491  		}
  9492  		if w != w0.Args[0] {
  9493  			break
  9494  		}
  9495  		mem := x.Args[3]
  9496  		if !(x.Uses == 1 && clobber(x)) {
  9497  			break
  9498  		}
  9499  		v.reset(OpS390XMOVHBRstoreidx)
  9500  		v.AuxInt = i - 1
  9501  		v.Aux = s
  9502  		v.AddArg(p)
  9503  		v.AddArg(idx)
  9504  		v.AddArg(w0)
  9505  		v.AddArg(mem)
  9506  		return true
  9507  	}
  9508  	return false
  9509  }
  9510  func rewriteValueS390X_OpS390XMOVDEQ(v *Value, config *Config) bool {
  9511  	b := v.Block
  9512  	_ = b
  9513  	// match: (MOVDEQ x y (InvertFlags cmp))
  9514  	// cond:
  9515  	// result: (MOVDEQ x y cmp)
  9516  	for {
  9517  		x := v.Args[0]
  9518  		y := v.Args[1]
  9519  		v_2 := v.Args[2]
  9520  		if v_2.Op != OpS390XInvertFlags {
  9521  			break
  9522  		}
  9523  		cmp := v_2.Args[0]
  9524  		v.reset(OpS390XMOVDEQ)
  9525  		v.AddArg(x)
  9526  		v.AddArg(y)
  9527  		v.AddArg(cmp)
  9528  		return true
  9529  	}
  9530  	// match: (MOVDEQ _ x (FlagEQ))
  9531  	// cond:
  9532  	// result: x
  9533  	for {
  9534  		x := v.Args[1]
  9535  		v_2 := v.Args[2]
  9536  		if v_2.Op != OpS390XFlagEQ {
  9537  			break
  9538  		}
  9539  		v.reset(OpCopy)
  9540  		v.Type = x.Type
  9541  		v.AddArg(x)
  9542  		return true
  9543  	}
  9544  	// match: (MOVDEQ y _ (FlagLT))
  9545  	// cond:
  9546  	// result: y
  9547  	for {
  9548  		y := v.Args[0]
  9549  		v_2 := v.Args[2]
  9550  		if v_2.Op != OpS390XFlagLT {
  9551  			break
  9552  		}
  9553  		v.reset(OpCopy)
  9554  		v.Type = y.Type
  9555  		v.AddArg(y)
  9556  		return true
  9557  	}
  9558  	// match: (MOVDEQ y _ (FlagGT))
  9559  	// cond:
  9560  	// result: y
  9561  	for {
  9562  		y := v.Args[0]
  9563  		v_2 := v.Args[2]
  9564  		if v_2.Op != OpS390XFlagGT {
  9565  			break
  9566  		}
  9567  		v.reset(OpCopy)
  9568  		v.Type = y.Type
  9569  		v.AddArg(y)
  9570  		return true
  9571  	}
  9572  	return false
  9573  }
  9574  func rewriteValueS390X_OpS390XMOVDGE(v *Value, config *Config) bool {
  9575  	b := v.Block
  9576  	_ = b
  9577  	// match: (MOVDGE x y (InvertFlags cmp))
  9578  	// cond:
  9579  	// result: (MOVDLE x y cmp)
  9580  	for {
  9581  		x := v.Args[0]
  9582  		y := v.Args[1]
  9583  		v_2 := v.Args[2]
  9584  		if v_2.Op != OpS390XInvertFlags {
  9585  			break
  9586  		}
  9587  		cmp := v_2.Args[0]
  9588  		v.reset(OpS390XMOVDLE)
  9589  		v.AddArg(x)
  9590  		v.AddArg(y)
  9591  		v.AddArg(cmp)
  9592  		return true
  9593  	}
  9594  	// match: (MOVDGE _ x (FlagEQ))
  9595  	// cond:
  9596  	// result: x
  9597  	for {
  9598  		x := v.Args[1]
  9599  		v_2 := v.Args[2]
  9600  		if v_2.Op != OpS390XFlagEQ {
  9601  			break
  9602  		}
  9603  		v.reset(OpCopy)
  9604  		v.Type = x.Type
  9605  		v.AddArg(x)
  9606  		return true
  9607  	}
  9608  	// match: (MOVDGE y _ (FlagLT))
  9609  	// cond:
  9610  	// result: y
  9611  	for {
  9612  		y := v.Args[0]
  9613  		v_2 := v.Args[2]
  9614  		if v_2.Op != OpS390XFlagLT {
  9615  			break
  9616  		}
  9617  		v.reset(OpCopy)
  9618  		v.Type = y.Type
  9619  		v.AddArg(y)
  9620  		return true
  9621  	}
  9622  	// match: (MOVDGE _ x (FlagGT))
  9623  	// cond:
  9624  	// result: x
  9625  	for {
  9626  		x := v.Args[1]
  9627  		v_2 := v.Args[2]
  9628  		if v_2.Op != OpS390XFlagGT {
  9629  			break
  9630  		}
  9631  		v.reset(OpCopy)
  9632  		v.Type = x.Type
  9633  		v.AddArg(x)
  9634  		return true
  9635  	}
  9636  	return false
  9637  }
  9638  func rewriteValueS390X_OpS390XMOVDGT(v *Value, config *Config) bool {
  9639  	b := v.Block
  9640  	_ = b
  9641  	// match: (MOVDGT x y (InvertFlags cmp))
  9642  	// cond:
  9643  	// result: (MOVDLT x y cmp)
  9644  	for {
  9645  		x := v.Args[0]
  9646  		y := v.Args[1]
  9647  		v_2 := v.Args[2]
  9648  		if v_2.Op != OpS390XInvertFlags {
  9649  			break
  9650  		}
  9651  		cmp := v_2.Args[0]
  9652  		v.reset(OpS390XMOVDLT)
  9653  		v.AddArg(x)
  9654  		v.AddArg(y)
  9655  		v.AddArg(cmp)
  9656  		return true
  9657  	}
  9658  	// match: (MOVDGT y _ (FlagEQ))
  9659  	// cond:
  9660  	// result: y
  9661  	for {
  9662  		y := v.Args[0]
  9663  		v_2 := v.Args[2]
  9664  		if v_2.Op != OpS390XFlagEQ {
  9665  			break
  9666  		}
  9667  		v.reset(OpCopy)
  9668  		v.Type = y.Type
  9669  		v.AddArg(y)
  9670  		return true
  9671  	}
  9672  	// match: (MOVDGT y _ (FlagLT))
  9673  	// cond:
  9674  	// result: y
  9675  	for {
  9676  		y := v.Args[0]
  9677  		v_2 := v.Args[2]
  9678  		if v_2.Op != OpS390XFlagLT {
  9679  			break
  9680  		}
  9681  		v.reset(OpCopy)
  9682  		v.Type = y.Type
  9683  		v.AddArg(y)
  9684  		return true
  9685  	}
  9686  	// match: (MOVDGT _ x (FlagGT))
  9687  	// cond:
  9688  	// result: x
  9689  	for {
  9690  		x := v.Args[1]
  9691  		v_2 := v.Args[2]
  9692  		if v_2.Op != OpS390XFlagGT {
  9693  			break
  9694  		}
  9695  		v.reset(OpCopy)
  9696  		v.Type = x.Type
  9697  		v.AddArg(x)
  9698  		return true
  9699  	}
  9700  	return false
  9701  }
  9702  func rewriteValueS390X_OpS390XMOVDLE(v *Value, config *Config) bool {
  9703  	b := v.Block
  9704  	_ = b
  9705  	// match: (MOVDLE x y (InvertFlags cmp))
  9706  	// cond:
  9707  	// result: (MOVDGE x y cmp)
  9708  	for {
  9709  		x := v.Args[0]
  9710  		y := v.Args[1]
  9711  		v_2 := v.Args[2]
  9712  		if v_2.Op != OpS390XInvertFlags {
  9713  			break
  9714  		}
  9715  		cmp := v_2.Args[0]
  9716  		v.reset(OpS390XMOVDGE)
  9717  		v.AddArg(x)
  9718  		v.AddArg(y)
  9719  		v.AddArg(cmp)
  9720  		return true
  9721  	}
  9722  	// match: (MOVDLE _ x (FlagEQ))
  9723  	// cond:
  9724  	// result: x
  9725  	for {
  9726  		x := v.Args[1]
  9727  		v_2 := v.Args[2]
  9728  		if v_2.Op != OpS390XFlagEQ {
  9729  			break
  9730  		}
  9731  		v.reset(OpCopy)
  9732  		v.Type = x.Type
  9733  		v.AddArg(x)
  9734  		return true
  9735  	}
  9736  	// match: (MOVDLE _ x (FlagLT))
  9737  	// cond:
  9738  	// result: x
  9739  	for {
  9740  		x := v.Args[1]
  9741  		v_2 := v.Args[2]
  9742  		if v_2.Op != OpS390XFlagLT {
  9743  			break
  9744  		}
  9745  		v.reset(OpCopy)
  9746  		v.Type = x.Type
  9747  		v.AddArg(x)
  9748  		return true
  9749  	}
  9750  	// match: (MOVDLE y _ (FlagGT))
  9751  	// cond:
  9752  	// result: y
  9753  	for {
  9754  		y := v.Args[0]
  9755  		v_2 := v.Args[2]
  9756  		if v_2.Op != OpS390XFlagGT {
  9757  			break
  9758  		}
  9759  		v.reset(OpCopy)
  9760  		v.Type = y.Type
  9761  		v.AddArg(y)
  9762  		return true
  9763  	}
  9764  	return false
  9765  }
  9766  func rewriteValueS390X_OpS390XMOVDLT(v *Value, config *Config) bool {
  9767  	b := v.Block
  9768  	_ = b
  9769  	// match: (MOVDLT x y (InvertFlags cmp))
  9770  	// cond:
  9771  	// result: (MOVDGT x y cmp)
  9772  	for {
  9773  		x := v.Args[0]
  9774  		y := v.Args[1]
  9775  		v_2 := v.Args[2]
  9776  		if v_2.Op != OpS390XInvertFlags {
  9777  			break
  9778  		}
  9779  		cmp := v_2.Args[0]
  9780  		v.reset(OpS390XMOVDGT)
  9781  		v.AddArg(x)
  9782  		v.AddArg(y)
  9783  		v.AddArg(cmp)
  9784  		return true
  9785  	}
  9786  	// match: (MOVDLT y _ (FlagEQ))
  9787  	// cond:
  9788  	// result: y
  9789  	for {
  9790  		y := v.Args[0]
  9791  		v_2 := v.Args[2]
  9792  		if v_2.Op != OpS390XFlagEQ {
  9793  			break
  9794  		}
  9795  		v.reset(OpCopy)
  9796  		v.Type = y.Type
  9797  		v.AddArg(y)
  9798  		return true
  9799  	}
  9800  	// match: (MOVDLT _ x (FlagLT))
  9801  	// cond:
  9802  	// result: x
  9803  	for {
  9804  		x := v.Args[1]
  9805  		v_2 := v.Args[2]
  9806  		if v_2.Op != OpS390XFlagLT {
  9807  			break
  9808  		}
  9809  		v.reset(OpCopy)
  9810  		v.Type = x.Type
  9811  		v.AddArg(x)
  9812  		return true
  9813  	}
  9814  	// match: (MOVDLT y _ (FlagGT))
  9815  	// cond:
  9816  	// result: y
  9817  	for {
  9818  		y := v.Args[0]
  9819  		v_2 := v.Args[2]
  9820  		if v_2.Op != OpS390XFlagGT {
  9821  			break
  9822  		}
  9823  		v.reset(OpCopy)
  9824  		v.Type = y.Type
  9825  		v.AddArg(y)
  9826  		return true
  9827  	}
  9828  	return false
  9829  }
  9830  func rewriteValueS390X_OpS390XMOVDNE(v *Value, config *Config) bool {
  9831  	b := v.Block
  9832  	_ = b
  9833  	// match: (MOVDNE x y (InvertFlags cmp))
  9834  	// cond:
  9835  	// result: (MOVDNE x y cmp)
  9836  	for {
  9837  		x := v.Args[0]
  9838  		y := v.Args[1]
  9839  		v_2 := v.Args[2]
  9840  		if v_2.Op != OpS390XInvertFlags {
  9841  			break
  9842  		}
  9843  		cmp := v_2.Args[0]
  9844  		v.reset(OpS390XMOVDNE)
  9845  		v.AddArg(x)
  9846  		v.AddArg(y)
  9847  		v.AddArg(cmp)
  9848  		return true
  9849  	}
  9850  	// match: (MOVDNE y _ (FlagEQ))
  9851  	// cond:
  9852  	// result: y
  9853  	for {
  9854  		y := v.Args[0]
  9855  		v_2 := v.Args[2]
  9856  		if v_2.Op != OpS390XFlagEQ {
  9857  			break
  9858  		}
  9859  		v.reset(OpCopy)
  9860  		v.Type = y.Type
  9861  		v.AddArg(y)
  9862  		return true
  9863  	}
  9864  	// match: (MOVDNE _ x (FlagLT))
  9865  	// cond:
  9866  	// result: x
  9867  	for {
  9868  		x := v.Args[1]
  9869  		v_2 := v.Args[2]
  9870  		if v_2.Op != OpS390XFlagLT {
  9871  			break
  9872  		}
  9873  		v.reset(OpCopy)
  9874  		v.Type = x.Type
  9875  		v.AddArg(x)
  9876  		return true
  9877  	}
  9878  	// match: (MOVDNE _ x (FlagGT))
  9879  	// cond:
  9880  	// result: x
  9881  	for {
  9882  		x := v.Args[1]
  9883  		v_2 := v.Args[2]
  9884  		if v_2.Op != OpS390XFlagGT {
  9885  			break
  9886  		}
  9887  		v.reset(OpCopy)
  9888  		v.Type = x.Type
  9889  		v.AddArg(x)
  9890  		return true
  9891  	}
  9892  	return false
  9893  }
  9894  func rewriteValueS390X_OpS390XMOVDaddridx(v *Value, config *Config) bool {
  9895  	b := v.Block
  9896  	_ = b
  9897  	// match: (MOVDaddridx [c] {s} (ADDconst [d] x) y)
  9898  	// cond: is20Bit(c+d) && x.Op != OpSB
  9899  	// result: (MOVDaddridx [c+d] {s} x y)
  9900  	for {
  9901  		c := v.AuxInt
  9902  		s := v.Aux
  9903  		v_0 := v.Args[0]
  9904  		if v_0.Op != OpS390XADDconst {
  9905  			break
  9906  		}
  9907  		d := v_0.AuxInt
  9908  		x := v_0.Args[0]
  9909  		y := v.Args[1]
  9910  		if !(is20Bit(c+d) && x.Op != OpSB) {
  9911  			break
  9912  		}
  9913  		v.reset(OpS390XMOVDaddridx)
  9914  		v.AuxInt = c + d
  9915  		v.Aux = s
  9916  		v.AddArg(x)
  9917  		v.AddArg(y)
  9918  		return true
  9919  	}
  9920  	// match: (MOVDaddridx [c] {s} x (ADDconst [d] y))
  9921  	// cond: is20Bit(c+d) && y.Op != OpSB
  9922  	// result: (MOVDaddridx [c+d] {s} x y)
  9923  	for {
  9924  		c := v.AuxInt
  9925  		s := v.Aux
  9926  		x := v.Args[0]
  9927  		v_1 := v.Args[1]
  9928  		if v_1.Op != OpS390XADDconst {
  9929  			break
  9930  		}
  9931  		d := v_1.AuxInt
  9932  		y := v_1.Args[0]
  9933  		if !(is20Bit(c+d) && y.Op != OpSB) {
  9934  			break
  9935  		}
  9936  		v.reset(OpS390XMOVDaddridx)
  9937  		v.AuxInt = c + d
  9938  		v.Aux = s
  9939  		v.AddArg(x)
  9940  		v.AddArg(y)
  9941  		return true
  9942  	}
  9943  	// match: (MOVDaddridx [off1] {sym1} (MOVDaddr [off2] {sym2} x) y)
  9944  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2) && x.Op != OpSB
  9945  	// result: (MOVDaddridx [off1+off2] {mergeSym(sym1,sym2)} x y)
  9946  	for {
  9947  		off1 := v.AuxInt
  9948  		sym1 := v.Aux
  9949  		v_0 := v.Args[0]
  9950  		if v_0.Op != OpS390XMOVDaddr {
  9951  			break
  9952  		}
  9953  		off2 := v_0.AuxInt
  9954  		sym2 := v_0.Aux
  9955  		x := v_0.Args[0]
  9956  		y := v.Args[1]
  9957  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
  9958  			break
  9959  		}
  9960  		v.reset(OpS390XMOVDaddridx)
  9961  		v.AuxInt = off1 + off2
  9962  		v.Aux = mergeSym(sym1, sym2)
  9963  		v.AddArg(x)
  9964  		v.AddArg(y)
  9965  		return true
  9966  	}
  9967  	// match: (MOVDaddridx [off1] {sym1} x (MOVDaddr [off2] {sym2} y))
  9968  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2) && y.Op != OpSB
  9969  	// result: (MOVDaddridx [off1+off2] {mergeSym(sym1,sym2)} x y)
  9970  	for {
  9971  		off1 := v.AuxInt
  9972  		sym1 := v.Aux
  9973  		x := v.Args[0]
  9974  		v_1 := v.Args[1]
  9975  		if v_1.Op != OpS390XMOVDaddr {
  9976  			break
  9977  		}
  9978  		off2 := v_1.AuxInt
  9979  		sym2 := v_1.Aux
  9980  		y := v_1.Args[0]
  9981  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2) && y.Op != OpSB) {
  9982  			break
  9983  		}
  9984  		v.reset(OpS390XMOVDaddridx)
  9985  		v.AuxInt = off1 + off2
  9986  		v.Aux = mergeSym(sym1, sym2)
  9987  		v.AddArg(x)
  9988  		v.AddArg(y)
  9989  		return true
  9990  	}
  9991  	return false
  9992  }
  9993  func rewriteValueS390X_OpS390XMOVDload(v *Value, config *Config) bool {
  9994  	b := v.Block
  9995  	_ = b
  9996  	// match: (MOVDload [off] {sym} ptr (MOVDstore [off2] {sym2} ptr2 x _))
  9997  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  9998  	// result: x
  9999  	for {
 10000  		off := v.AuxInt
 10001  		sym := v.Aux
 10002  		ptr := v.Args[0]
 10003  		v_1 := v.Args[1]
 10004  		if v_1.Op != OpS390XMOVDstore {
 10005  			break
 10006  		}
 10007  		off2 := v_1.AuxInt
 10008  		sym2 := v_1.Aux
 10009  		ptr2 := v_1.Args[0]
 10010  		x := v_1.Args[1]
 10011  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 10012  			break
 10013  		}
 10014  		v.reset(OpCopy)
 10015  		v.Type = x.Type
 10016  		v.AddArg(x)
 10017  		return true
 10018  	}
 10019  	// match: (MOVDload   [off1] {sym} (ADDconst [off2] ptr) mem)
 10020  	// cond: is20Bit(off1+off2)
 10021  	// result: (MOVDload  [off1+off2] {sym} ptr mem)
 10022  	for {
 10023  		off1 := v.AuxInt
 10024  		sym := v.Aux
 10025  		v_0 := v.Args[0]
 10026  		if v_0.Op != OpS390XADDconst {
 10027  			break
 10028  		}
 10029  		off2 := v_0.AuxInt
 10030  		ptr := v_0.Args[0]
 10031  		mem := v.Args[1]
 10032  		if !(is20Bit(off1 + off2)) {
 10033  			break
 10034  		}
 10035  		v.reset(OpS390XMOVDload)
 10036  		v.AuxInt = off1 + off2
 10037  		v.Aux = sym
 10038  		v.AddArg(ptr)
 10039  		v.AddArg(mem)
 10040  		return true
 10041  	}
 10042  	// match: (MOVDload  [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 10043  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 10044  	// result: (MOVDload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
 10045  	for {
 10046  		off1 := v.AuxInt
 10047  		sym1 := v.Aux
 10048  		v_0 := v.Args[0]
 10049  		if v_0.Op != OpS390XMOVDaddr {
 10050  			break
 10051  		}
 10052  		off2 := v_0.AuxInt
 10053  		sym2 := v_0.Aux
 10054  		base := v_0.Args[0]
 10055  		mem := v.Args[1]
 10056  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 10057  			break
 10058  		}
 10059  		v.reset(OpS390XMOVDload)
 10060  		v.AuxInt = off1 + off2
 10061  		v.Aux = mergeSym(sym1, sym2)
 10062  		v.AddArg(base)
 10063  		v.AddArg(mem)
 10064  		return true
 10065  	}
 10066  	// match: (MOVDload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
 10067  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 10068  	// result: (MOVDloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
 10069  	for {
 10070  		off1 := v.AuxInt
 10071  		sym1 := v.Aux
 10072  		v_0 := v.Args[0]
 10073  		if v_0.Op != OpS390XMOVDaddridx {
 10074  			break
 10075  		}
 10076  		off2 := v_0.AuxInt
 10077  		sym2 := v_0.Aux
 10078  		ptr := v_0.Args[0]
 10079  		idx := v_0.Args[1]
 10080  		mem := v.Args[1]
 10081  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 10082  			break
 10083  		}
 10084  		v.reset(OpS390XMOVDloadidx)
 10085  		v.AuxInt = off1 + off2
 10086  		v.Aux = mergeSym(sym1, sym2)
 10087  		v.AddArg(ptr)
 10088  		v.AddArg(idx)
 10089  		v.AddArg(mem)
 10090  		return true
 10091  	}
 10092  	// match: (MOVDload [off] {sym} (ADD ptr idx) mem)
 10093  	// cond: ptr.Op != OpSB
 10094  	// result: (MOVDloadidx [off] {sym} ptr idx mem)
 10095  	for {
 10096  		off := v.AuxInt
 10097  		sym := v.Aux
 10098  		v_0 := v.Args[0]
 10099  		if v_0.Op != OpS390XADD {
 10100  			break
 10101  		}
 10102  		ptr := v_0.Args[0]
 10103  		idx := v_0.Args[1]
 10104  		mem := v.Args[1]
 10105  		if !(ptr.Op != OpSB) {
 10106  			break
 10107  		}
 10108  		v.reset(OpS390XMOVDloadidx)
 10109  		v.AuxInt = off
 10110  		v.Aux = sym
 10111  		v.AddArg(ptr)
 10112  		v.AddArg(idx)
 10113  		v.AddArg(mem)
 10114  		return true
 10115  	}
 10116  	return false
 10117  }
 10118  func rewriteValueS390X_OpS390XMOVDloadidx(v *Value, config *Config) bool {
 10119  	b := v.Block
 10120  	_ = b
 10121  	// match: (MOVDloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
 10122  	// cond:
 10123  	// result: (MOVDloadidx [c+d] {sym} ptr idx mem)
 10124  	for {
 10125  		c := v.AuxInt
 10126  		sym := v.Aux
 10127  		v_0 := v.Args[0]
 10128  		if v_0.Op != OpS390XADDconst {
 10129  			break
 10130  		}
 10131  		d := v_0.AuxInt
 10132  		ptr := v_0.Args[0]
 10133  		idx := v.Args[1]
 10134  		mem := v.Args[2]
 10135  		v.reset(OpS390XMOVDloadidx)
 10136  		v.AuxInt = c + d
 10137  		v.Aux = sym
 10138  		v.AddArg(ptr)
 10139  		v.AddArg(idx)
 10140  		v.AddArg(mem)
 10141  		return true
 10142  	}
 10143  	// match: (MOVDloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
 10144  	// cond:
 10145  	// result: (MOVDloadidx [c+d] {sym} ptr idx mem)
 10146  	for {
 10147  		c := v.AuxInt
 10148  		sym := v.Aux
 10149  		ptr := v.Args[0]
 10150  		v_1 := v.Args[1]
 10151  		if v_1.Op != OpS390XADDconst {
 10152  			break
 10153  		}
 10154  		d := v_1.AuxInt
 10155  		idx := v_1.Args[0]
 10156  		mem := v.Args[2]
 10157  		v.reset(OpS390XMOVDloadidx)
 10158  		v.AuxInt = c + d
 10159  		v.Aux = sym
 10160  		v.AddArg(ptr)
 10161  		v.AddArg(idx)
 10162  		v.AddArg(mem)
 10163  		return true
 10164  	}
 10165  	return false
 10166  }
 10167  func rewriteValueS390X_OpS390XMOVDstore(v *Value, config *Config) bool {
 10168  	b := v.Block
 10169  	_ = b
 10170  	// match: (MOVDstore  [off1] {sym} (ADDconst [off2] ptr) val mem)
 10171  	// cond: is20Bit(off1+off2)
 10172  	// result: (MOVDstore  [off1+off2] {sym} ptr val mem)
 10173  	for {
 10174  		off1 := v.AuxInt
 10175  		sym := v.Aux
 10176  		v_0 := v.Args[0]
 10177  		if v_0.Op != OpS390XADDconst {
 10178  			break
 10179  		}
 10180  		off2 := v_0.AuxInt
 10181  		ptr := v_0.Args[0]
 10182  		val := v.Args[1]
 10183  		mem := v.Args[2]
 10184  		if !(is20Bit(off1 + off2)) {
 10185  			break
 10186  		}
 10187  		v.reset(OpS390XMOVDstore)
 10188  		v.AuxInt = off1 + off2
 10189  		v.Aux = sym
 10190  		v.AddArg(ptr)
 10191  		v.AddArg(val)
 10192  		v.AddArg(mem)
 10193  		return true
 10194  	}
 10195  	// match: (MOVDstore [off] {sym} ptr (MOVDconst [c]) mem)
 10196  	// cond: validValAndOff(c,off) && int64(int16(c)) == c && ptr.Op != OpSB
 10197  	// result: (MOVDstoreconst [makeValAndOff(c,off)] {sym} ptr mem)
 10198  	for {
 10199  		off := v.AuxInt
 10200  		sym := v.Aux
 10201  		ptr := v.Args[0]
 10202  		v_1 := v.Args[1]
 10203  		if v_1.Op != OpS390XMOVDconst {
 10204  			break
 10205  		}
 10206  		c := v_1.AuxInt
 10207  		mem := v.Args[2]
 10208  		if !(validValAndOff(c, off) && int64(int16(c)) == c && ptr.Op != OpSB) {
 10209  			break
 10210  		}
 10211  		v.reset(OpS390XMOVDstoreconst)
 10212  		v.AuxInt = makeValAndOff(c, off)
 10213  		v.Aux = sym
 10214  		v.AddArg(ptr)
 10215  		v.AddArg(mem)
 10216  		return true
 10217  	}
 10218  	// match: (MOVDstore  [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
 10219  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 10220  	// result: (MOVDstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
 10221  	for {
 10222  		off1 := v.AuxInt
 10223  		sym1 := v.Aux
 10224  		v_0 := v.Args[0]
 10225  		if v_0.Op != OpS390XMOVDaddr {
 10226  			break
 10227  		}
 10228  		off2 := v_0.AuxInt
 10229  		sym2 := v_0.Aux
 10230  		base := v_0.Args[0]
 10231  		val := v.Args[1]
 10232  		mem := v.Args[2]
 10233  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 10234  			break
 10235  		}
 10236  		v.reset(OpS390XMOVDstore)
 10237  		v.AuxInt = off1 + off2
 10238  		v.Aux = mergeSym(sym1, sym2)
 10239  		v.AddArg(base)
 10240  		v.AddArg(val)
 10241  		v.AddArg(mem)
 10242  		return true
 10243  	}
 10244  	// match: (MOVDstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
 10245  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 10246  	// result: (MOVDstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
 10247  	for {
 10248  		off1 := v.AuxInt
 10249  		sym1 := v.Aux
 10250  		v_0 := v.Args[0]
 10251  		if v_0.Op != OpS390XMOVDaddridx {
 10252  			break
 10253  		}
 10254  		off2 := v_0.AuxInt
 10255  		sym2 := v_0.Aux
 10256  		ptr := v_0.Args[0]
 10257  		idx := v_0.Args[1]
 10258  		val := v.Args[1]
 10259  		mem := v.Args[2]
 10260  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 10261  			break
 10262  		}
 10263  		v.reset(OpS390XMOVDstoreidx)
 10264  		v.AuxInt = off1 + off2
 10265  		v.Aux = mergeSym(sym1, sym2)
 10266  		v.AddArg(ptr)
 10267  		v.AddArg(idx)
 10268  		v.AddArg(val)
 10269  		v.AddArg(mem)
 10270  		return true
 10271  	}
 10272  	// match: (MOVDstore [off] {sym} (ADD ptr idx) val mem)
 10273  	// cond: ptr.Op != OpSB
 10274  	// result: (MOVDstoreidx [off] {sym} ptr idx val mem)
 10275  	for {
 10276  		off := v.AuxInt
 10277  		sym := v.Aux
 10278  		v_0 := v.Args[0]
 10279  		if v_0.Op != OpS390XADD {
 10280  			break
 10281  		}
 10282  		ptr := v_0.Args[0]
 10283  		idx := v_0.Args[1]
 10284  		val := v.Args[1]
 10285  		mem := v.Args[2]
 10286  		if !(ptr.Op != OpSB) {
 10287  			break
 10288  		}
 10289  		v.reset(OpS390XMOVDstoreidx)
 10290  		v.AuxInt = off
 10291  		v.Aux = sym
 10292  		v.AddArg(ptr)
 10293  		v.AddArg(idx)
 10294  		v.AddArg(val)
 10295  		v.AddArg(mem)
 10296  		return true
 10297  	}
 10298  	// match: (MOVDstore [i] {s} p w1 x:(MOVDstore [i-8] {s} p w0 mem))
 10299  	// cond: p.Op != OpSB   && x.Uses == 1   && is20Bit(i-8)   && clobber(x)
 10300  	// result: (STMG2 [i-8] {s} p w0 w1 mem)
 10301  	for {
 10302  		i := v.AuxInt
 10303  		s := v.Aux
 10304  		p := v.Args[0]
 10305  		w1 := v.Args[1]
 10306  		x := v.Args[2]
 10307  		if x.Op != OpS390XMOVDstore {
 10308  			break
 10309  		}
 10310  		if x.AuxInt != i-8 {
 10311  			break
 10312  		}
 10313  		if x.Aux != s {
 10314  			break
 10315  		}
 10316  		if p != x.Args[0] {
 10317  			break
 10318  		}
 10319  		w0 := x.Args[1]
 10320  		mem := x.Args[2]
 10321  		if !(p.Op != OpSB && x.Uses == 1 && is20Bit(i-8) && clobber(x)) {
 10322  			break
 10323  		}
 10324  		v.reset(OpS390XSTMG2)
 10325  		v.AuxInt = i - 8
 10326  		v.Aux = s
 10327  		v.AddArg(p)
 10328  		v.AddArg(w0)
 10329  		v.AddArg(w1)
 10330  		v.AddArg(mem)
 10331  		return true
 10332  	}
 10333  	// match: (MOVDstore [i] {s} p w2 x:(STMG2 [i-16] {s} p w0 w1 mem))
 10334  	// cond: x.Uses == 1   && is20Bit(i-16)   && clobber(x)
 10335  	// result: (STMG3 [i-16] {s} p w0 w1 w2 mem)
 10336  	for {
 10337  		i := v.AuxInt
 10338  		s := v.Aux
 10339  		p := v.Args[0]
 10340  		w2 := v.Args[1]
 10341  		x := v.Args[2]
 10342  		if x.Op != OpS390XSTMG2 {
 10343  			break
 10344  		}
 10345  		if x.AuxInt != i-16 {
 10346  			break
 10347  		}
 10348  		if x.Aux != s {
 10349  			break
 10350  		}
 10351  		if p != x.Args[0] {
 10352  			break
 10353  		}
 10354  		w0 := x.Args[1]
 10355  		w1 := x.Args[2]
 10356  		mem := x.Args[3]
 10357  		if !(x.Uses == 1 && is20Bit(i-16) && clobber(x)) {
 10358  			break
 10359  		}
 10360  		v.reset(OpS390XSTMG3)
 10361  		v.AuxInt = i - 16
 10362  		v.Aux = s
 10363  		v.AddArg(p)
 10364  		v.AddArg(w0)
 10365  		v.AddArg(w1)
 10366  		v.AddArg(w2)
 10367  		v.AddArg(mem)
 10368  		return true
 10369  	}
 10370  	// match: (MOVDstore [i] {s} p w3 x:(STMG3 [i-24] {s} p w0 w1 w2 mem))
 10371  	// cond: x.Uses == 1   && is20Bit(i-24)   && clobber(x)
 10372  	// result: (STMG4 [i-24] {s} p w0 w1 w2 w3 mem)
 10373  	for {
 10374  		i := v.AuxInt
 10375  		s := v.Aux
 10376  		p := v.Args[0]
 10377  		w3 := v.Args[1]
 10378  		x := v.Args[2]
 10379  		if x.Op != OpS390XSTMG3 {
 10380  			break
 10381  		}
 10382  		if x.AuxInt != i-24 {
 10383  			break
 10384  		}
 10385  		if x.Aux != s {
 10386  			break
 10387  		}
 10388  		if p != x.Args[0] {
 10389  			break
 10390  		}
 10391  		w0 := x.Args[1]
 10392  		w1 := x.Args[2]
 10393  		w2 := x.Args[3]
 10394  		mem := x.Args[4]
 10395  		if !(x.Uses == 1 && is20Bit(i-24) && clobber(x)) {
 10396  			break
 10397  		}
 10398  		v.reset(OpS390XSTMG4)
 10399  		v.AuxInt = i - 24
 10400  		v.Aux = s
 10401  		v.AddArg(p)
 10402  		v.AddArg(w0)
 10403  		v.AddArg(w1)
 10404  		v.AddArg(w2)
 10405  		v.AddArg(w3)
 10406  		v.AddArg(mem)
 10407  		return true
 10408  	}
 10409  	return false
 10410  }
 10411  func rewriteValueS390X_OpS390XMOVDstoreconst(v *Value, config *Config) bool {
 10412  	b := v.Block
 10413  	_ = b
 10414  	// match: (MOVDstoreconst [sc] {s} (ADDconst [off] ptr) mem)
 10415  	// cond: ValAndOff(sc).canAdd(off)
 10416  	// result: (MOVDstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
 10417  	for {
 10418  		sc := v.AuxInt
 10419  		s := v.Aux
 10420  		v_0 := v.Args[0]
 10421  		if v_0.Op != OpS390XADDconst {
 10422  			break
 10423  		}
 10424  		off := v_0.AuxInt
 10425  		ptr := v_0.Args[0]
 10426  		mem := v.Args[1]
 10427  		if !(ValAndOff(sc).canAdd(off)) {
 10428  			break
 10429  		}
 10430  		v.reset(OpS390XMOVDstoreconst)
 10431  		v.AuxInt = ValAndOff(sc).add(off)
 10432  		v.Aux = s
 10433  		v.AddArg(ptr)
 10434  		v.AddArg(mem)
 10435  		return true
 10436  	}
 10437  	// match: (MOVDstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
 10438  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
 10439  	// result: (MOVDstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
 10440  	for {
 10441  		sc := v.AuxInt
 10442  		sym1 := v.Aux
 10443  		v_0 := v.Args[0]
 10444  		if v_0.Op != OpS390XMOVDaddr {
 10445  			break
 10446  		}
 10447  		off := v_0.AuxInt
 10448  		sym2 := v_0.Aux
 10449  		ptr := v_0.Args[0]
 10450  		mem := v.Args[1]
 10451  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
 10452  			break
 10453  		}
 10454  		v.reset(OpS390XMOVDstoreconst)
 10455  		v.AuxInt = ValAndOff(sc).add(off)
 10456  		v.Aux = mergeSym(sym1, sym2)
 10457  		v.AddArg(ptr)
 10458  		v.AddArg(mem)
 10459  		return true
 10460  	}
 10461  	return false
 10462  }
 10463  func rewriteValueS390X_OpS390XMOVDstoreidx(v *Value, config *Config) bool {
 10464  	b := v.Block
 10465  	_ = b
 10466  	// match: (MOVDstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
 10467  	// cond:
 10468  	// result: (MOVDstoreidx [c+d] {sym} ptr idx val mem)
 10469  	for {
 10470  		c := v.AuxInt
 10471  		sym := v.Aux
 10472  		v_0 := v.Args[0]
 10473  		if v_0.Op != OpS390XADDconst {
 10474  			break
 10475  		}
 10476  		d := v_0.AuxInt
 10477  		ptr := v_0.Args[0]
 10478  		idx := v.Args[1]
 10479  		val := v.Args[2]
 10480  		mem := v.Args[3]
 10481  		v.reset(OpS390XMOVDstoreidx)
 10482  		v.AuxInt = c + d
 10483  		v.Aux = sym
 10484  		v.AddArg(ptr)
 10485  		v.AddArg(idx)
 10486  		v.AddArg(val)
 10487  		v.AddArg(mem)
 10488  		return true
 10489  	}
 10490  	// match: (MOVDstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
 10491  	// cond:
 10492  	// result: (MOVDstoreidx [c+d] {sym} ptr idx val mem)
 10493  	for {
 10494  		c := v.AuxInt
 10495  		sym := v.Aux
 10496  		ptr := v.Args[0]
 10497  		v_1 := v.Args[1]
 10498  		if v_1.Op != OpS390XADDconst {
 10499  			break
 10500  		}
 10501  		d := v_1.AuxInt
 10502  		idx := v_1.Args[0]
 10503  		val := v.Args[2]
 10504  		mem := v.Args[3]
 10505  		v.reset(OpS390XMOVDstoreidx)
 10506  		v.AuxInt = c + d
 10507  		v.Aux = sym
 10508  		v.AddArg(ptr)
 10509  		v.AddArg(idx)
 10510  		v.AddArg(val)
 10511  		v.AddArg(mem)
 10512  		return true
 10513  	}
 10514  	return false
 10515  }
 10516  func rewriteValueS390X_OpS390XMOVHBRstore(v *Value, config *Config) bool {
 10517  	b := v.Block
 10518  	_ = b
 10519  	// match: (MOVHBRstore [i] {s} p (SRDconst [16] w) x:(MOVHBRstore [i-2] {s} p w mem))
 10520  	// cond: x.Uses == 1   && clobber(x)
 10521  	// result: (MOVWBRstore [i-2] {s} p w mem)
 10522  	for {
 10523  		i := v.AuxInt
 10524  		s := v.Aux
 10525  		p := v.Args[0]
 10526  		v_1 := v.Args[1]
 10527  		if v_1.Op != OpS390XSRDconst {
 10528  			break
 10529  		}
 10530  		if v_1.AuxInt != 16 {
 10531  			break
 10532  		}
 10533  		w := v_1.Args[0]
 10534  		x := v.Args[2]
 10535  		if x.Op != OpS390XMOVHBRstore {
 10536  			break
 10537  		}
 10538  		if x.AuxInt != i-2 {
 10539  			break
 10540  		}
 10541  		if x.Aux != s {
 10542  			break
 10543  		}
 10544  		if p != x.Args[0] {
 10545  			break
 10546  		}
 10547  		if w != x.Args[1] {
 10548  			break
 10549  		}
 10550  		mem := x.Args[2]
 10551  		if !(x.Uses == 1 && clobber(x)) {
 10552  			break
 10553  		}
 10554  		v.reset(OpS390XMOVWBRstore)
 10555  		v.AuxInt = i - 2
 10556  		v.Aux = s
 10557  		v.AddArg(p)
 10558  		v.AddArg(w)
 10559  		v.AddArg(mem)
 10560  		return true
 10561  	}
 10562  	// match: (MOVHBRstore [i] {s} p (SRDconst [j] w) x:(MOVHBRstore [i-2] {s} p w0:(SRDconst [j-16] w) mem))
 10563  	// cond: x.Uses == 1   && clobber(x)
 10564  	// result: (MOVWBRstore [i-2] {s} p w0 mem)
 10565  	for {
 10566  		i := v.AuxInt
 10567  		s := v.Aux
 10568  		p := v.Args[0]
 10569  		v_1 := v.Args[1]
 10570  		if v_1.Op != OpS390XSRDconst {
 10571  			break
 10572  		}
 10573  		j := v_1.AuxInt
 10574  		w := v_1.Args[0]
 10575  		x := v.Args[2]
 10576  		if x.Op != OpS390XMOVHBRstore {
 10577  			break
 10578  		}
 10579  		if x.AuxInt != i-2 {
 10580  			break
 10581  		}
 10582  		if x.Aux != s {
 10583  			break
 10584  		}
 10585  		if p != x.Args[0] {
 10586  			break
 10587  		}
 10588  		w0 := x.Args[1]
 10589  		if w0.Op != OpS390XSRDconst {
 10590  			break
 10591  		}
 10592  		if w0.AuxInt != j-16 {
 10593  			break
 10594  		}
 10595  		if w != w0.Args[0] {
 10596  			break
 10597  		}
 10598  		mem := x.Args[2]
 10599  		if !(x.Uses == 1 && clobber(x)) {
 10600  			break
 10601  		}
 10602  		v.reset(OpS390XMOVWBRstore)
 10603  		v.AuxInt = i - 2
 10604  		v.Aux = s
 10605  		v.AddArg(p)
 10606  		v.AddArg(w0)
 10607  		v.AddArg(mem)
 10608  		return true
 10609  	}
 10610  	// match: (MOVHBRstore [i] {s} p (SRWconst [16] w) x:(MOVHBRstore [i-2] {s} p w mem))
 10611  	// cond: x.Uses == 1   && clobber(x)
 10612  	// result: (MOVWBRstore [i-2] {s} p w mem)
 10613  	for {
 10614  		i := v.AuxInt
 10615  		s := v.Aux
 10616  		p := v.Args[0]
 10617  		v_1 := v.Args[1]
 10618  		if v_1.Op != OpS390XSRWconst {
 10619  			break
 10620  		}
 10621  		if v_1.AuxInt != 16 {
 10622  			break
 10623  		}
 10624  		w := v_1.Args[0]
 10625  		x := v.Args[2]
 10626  		if x.Op != OpS390XMOVHBRstore {
 10627  			break
 10628  		}
 10629  		if x.AuxInt != i-2 {
 10630  			break
 10631  		}
 10632  		if x.Aux != s {
 10633  			break
 10634  		}
 10635  		if p != x.Args[0] {
 10636  			break
 10637  		}
 10638  		if w != x.Args[1] {
 10639  			break
 10640  		}
 10641  		mem := x.Args[2]
 10642  		if !(x.Uses == 1 && clobber(x)) {
 10643  			break
 10644  		}
 10645  		v.reset(OpS390XMOVWBRstore)
 10646  		v.AuxInt = i - 2
 10647  		v.Aux = s
 10648  		v.AddArg(p)
 10649  		v.AddArg(w)
 10650  		v.AddArg(mem)
 10651  		return true
 10652  	}
 10653  	// match: (MOVHBRstore [i] {s} p (SRWconst [j] w) x:(MOVHBRstore [i-2] {s} p w0:(SRWconst [j-16] w) mem))
 10654  	// cond: x.Uses == 1   && clobber(x)
 10655  	// result: (MOVWBRstore [i-2] {s} p w0 mem)
 10656  	for {
 10657  		i := v.AuxInt
 10658  		s := v.Aux
 10659  		p := v.Args[0]
 10660  		v_1 := v.Args[1]
 10661  		if v_1.Op != OpS390XSRWconst {
 10662  			break
 10663  		}
 10664  		j := v_1.AuxInt
 10665  		w := v_1.Args[0]
 10666  		x := v.Args[2]
 10667  		if x.Op != OpS390XMOVHBRstore {
 10668  			break
 10669  		}
 10670  		if x.AuxInt != i-2 {
 10671  			break
 10672  		}
 10673  		if x.Aux != s {
 10674  			break
 10675  		}
 10676  		if p != x.Args[0] {
 10677  			break
 10678  		}
 10679  		w0 := x.Args[1]
 10680  		if w0.Op != OpS390XSRWconst {
 10681  			break
 10682  		}
 10683  		if w0.AuxInt != j-16 {
 10684  			break
 10685  		}
 10686  		if w != w0.Args[0] {
 10687  			break
 10688  		}
 10689  		mem := x.Args[2]
 10690  		if !(x.Uses == 1 && clobber(x)) {
 10691  			break
 10692  		}
 10693  		v.reset(OpS390XMOVWBRstore)
 10694  		v.AuxInt = i - 2
 10695  		v.Aux = s
 10696  		v.AddArg(p)
 10697  		v.AddArg(w0)
 10698  		v.AddArg(mem)
 10699  		return true
 10700  	}
 10701  	return false
 10702  }
 10703  func rewriteValueS390X_OpS390XMOVHBRstoreidx(v *Value, config *Config) bool {
 10704  	b := v.Block
 10705  	_ = b
 10706  	// match: (MOVHBRstoreidx [i] {s} p idx (SRDconst [16] w) x:(MOVHBRstoreidx [i-2] {s} p idx w mem))
 10707  	// cond: x.Uses == 1   && clobber(x)
 10708  	// result: (MOVWBRstoreidx [i-2] {s} p idx w mem)
 10709  	for {
 10710  		i := v.AuxInt
 10711  		s := v.Aux
 10712  		p := v.Args[0]
 10713  		idx := v.Args[1]
 10714  		v_2 := v.Args[2]
 10715  		if v_2.Op != OpS390XSRDconst {
 10716  			break
 10717  		}
 10718  		if v_2.AuxInt != 16 {
 10719  			break
 10720  		}
 10721  		w := v_2.Args[0]
 10722  		x := v.Args[3]
 10723  		if x.Op != OpS390XMOVHBRstoreidx {
 10724  			break
 10725  		}
 10726  		if x.AuxInt != i-2 {
 10727  			break
 10728  		}
 10729  		if x.Aux != s {
 10730  			break
 10731  		}
 10732  		if p != x.Args[0] {
 10733  			break
 10734  		}
 10735  		if idx != x.Args[1] {
 10736  			break
 10737  		}
 10738  		if w != x.Args[2] {
 10739  			break
 10740  		}
 10741  		mem := x.Args[3]
 10742  		if !(x.Uses == 1 && clobber(x)) {
 10743  			break
 10744  		}
 10745  		v.reset(OpS390XMOVWBRstoreidx)
 10746  		v.AuxInt = i - 2
 10747  		v.Aux = s
 10748  		v.AddArg(p)
 10749  		v.AddArg(idx)
 10750  		v.AddArg(w)
 10751  		v.AddArg(mem)
 10752  		return true
 10753  	}
 10754  	// match: (MOVHBRstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVHBRstoreidx [i-2] {s} p idx w0:(SRDconst [j-16] w) mem))
 10755  	// cond: x.Uses == 1   && clobber(x)
 10756  	// result: (MOVWBRstoreidx [i-2] {s} p idx w0 mem)
 10757  	for {
 10758  		i := v.AuxInt
 10759  		s := v.Aux
 10760  		p := v.Args[0]
 10761  		idx := v.Args[1]
 10762  		v_2 := v.Args[2]
 10763  		if v_2.Op != OpS390XSRDconst {
 10764  			break
 10765  		}
 10766  		j := v_2.AuxInt
 10767  		w := v_2.Args[0]
 10768  		x := v.Args[3]
 10769  		if x.Op != OpS390XMOVHBRstoreidx {
 10770  			break
 10771  		}
 10772  		if x.AuxInt != i-2 {
 10773  			break
 10774  		}
 10775  		if x.Aux != s {
 10776  			break
 10777  		}
 10778  		if p != x.Args[0] {
 10779  			break
 10780  		}
 10781  		if idx != x.Args[1] {
 10782  			break
 10783  		}
 10784  		w0 := x.Args[2]
 10785  		if w0.Op != OpS390XSRDconst {
 10786  			break
 10787  		}
 10788  		if w0.AuxInt != j-16 {
 10789  			break
 10790  		}
 10791  		if w != w0.Args[0] {
 10792  			break
 10793  		}
 10794  		mem := x.Args[3]
 10795  		if !(x.Uses == 1 && clobber(x)) {
 10796  			break
 10797  		}
 10798  		v.reset(OpS390XMOVWBRstoreidx)
 10799  		v.AuxInt = i - 2
 10800  		v.Aux = s
 10801  		v.AddArg(p)
 10802  		v.AddArg(idx)
 10803  		v.AddArg(w0)
 10804  		v.AddArg(mem)
 10805  		return true
 10806  	}
 10807  	// match: (MOVHBRstoreidx [i] {s} p idx (SRWconst [16] w) x:(MOVHBRstoreidx [i-2] {s} p idx w mem))
 10808  	// cond: x.Uses == 1   && clobber(x)
 10809  	// result: (MOVWBRstoreidx [i-2] {s} p idx w mem)
 10810  	for {
 10811  		i := v.AuxInt
 10812  		s := v.Aux
 10813  		p := v.Args[0]
 10814  		idx := v.Args[1]
 10815  		v_2 := v.Args[2]
 10816  		if v_2.Op != OpS390XSRWconst {
 10817  			break
 10818  		}
 10819  		if v_2.AuxInt != 16 {
 10820  			break
 10821  		}
 10822  		w := v_2.Args[0]
 10823  		x := v.Args[3]
 10824  		if x.Op != OpS390XMOVHBRstoreidx {
 10825  			break
 10826  		}
 10827  		if x.AuxInt != i-2 {
 10828  			break
 10829  		}
 10830  		if x.Aux != s {
 10831  			break
 10832  		}
 10833  		if p != x.Args[0] {
 10834  			break
 10835  		}
 10836  		if idx != x.Args[1] {
 10837  			break
 10838  		}
 10839  		if w != x.Args[2] {
 10840  			break
 10841  		}
 10842  		mem := x.Args[3]
 10843  		if !(x.Uses == 1 && clobber(x)) {
 10844  			break
 10845  		}
 10846  		v.reset(OpS390XMOVWBRstoreidx)
 10847  		v.AuxInt = i - 2
 10848  		v.Aux = s
 10849  		v.AddArg(p)
 10850  		v.AddArg(idx)
 10851  		v.AddArg(w)
 10852  		v.AddArg(mem)
 10853  		return true
 10854  	}
 10855  	// match: (MOVHBRstoreidx [i] {s} p idx (SRWconst [j] w) x:(MOVHBRstoreidx [i-2] {s} p idx w0:(SRWconst [j-16] w) mem))
 10856  	// cond: x.Uses == 1   && clobber(x)
 10857  	// result: (MOVWBRstoreidx [i-2] {s} p idx w0 mem)
 10858  	for {
 10859  		i := v.AuxInt
 10860  		s := v.Aux
 10861  		p := v.Args[0]
 10862  		idx := v.Args[1]
 10863  		v_2 := v.Args[2]
 10864  		if v_2.Op != OpS390XSRWconst {
 10865  			break
 10866  		}
 10867  		j := v_2.AuxInt
 10868  		w := v_2.Args[0]
 10869  		x := v.Args[3]
 10870  		if x.Op != OpS390XMOVHBRstoreidx {
 10871  			break
 10872  		}
 10873  		if x.AuxInt != i-2 {
 10874  			break
 10875  		}
 10876  		if x.Aux != s {
 10877  			break
 10878  		}
 10879  		if p != x.Args[0] {
 10880  			break
 10881  		}
 10882  		if idx != x.Args[1] {
 10883  			break
 10884  		}
 10885  		w0 := x.Args[2]
 10886  		if w0.Op != OpS390XSRWconst {
 10887  			break
 10888  		}
 10889  		if w0.AuxInt != j-16 {
 10890  			break
 10891  		}
 10892  		if w != w0.Args[0] {
 10893  			break
 10894  		}
 10895  		mem := x.Args[3]
 10896  		if !(x.Uses == 1 && clobber(x)) {
 10897  			break
 10898  		}
 10899  		v.reset(OpS390XMOVWBRstoreidx)
 10900  		v.AuxInt = i - 2
 10901  		v.Aux = s
 10902  		v.AddArg(p)
 10903  		v.AddArg(idx)
 10904  		v.AddArg(w0)
 10905  		v.AddArg(mem)
 10906  		return true
 10907  	}
 10908  	return false
 10909  }
 10910  func rewriteValueS390X_OpS390XMOVHZload(v *Value, config *Config) bool {
 10911  	b := v.Block
 10912  	_ = b
 10913  	// match: (MOVHZload [off] {sym} ptr (MOVHstore [off2] {sym2} ptr2 x _))
 10914  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 10915  	// result: x
 10916  	for {
 10917  		off := v.AuxInt
 10918  		sym := v.Aux
 10919  		ptr := v.Args[0]
 10920  		v_1 := v.Args[1]
 10921  		if v_1.Op != OpS390XMOVHstore {
 10922  			break
 10923  		}
 10924  		off2 := v_1.AuxInt
 10925  		sym2 := v_1.Aux
 10926  		ptr2 := v_1.Args[0]
 10927  		x := v_1.Args[1]
 10928  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 10929  			break
 10930  		}
 10931  		v.reset(OpCopy)
 10932  		v.Type = x.Type
 10933  		v.AddArg(x)
 10934  		return true
 10935  	}
 10936  	// match: (MOVHZload  [off1] {sym} (ADDconst [off2] ptr) mem)
 10937  	// cond: is20Bit(off1+off2)
 10938  	// result: (MOVHZload [off1+off2] {sym} ptr mem)
 10939  	for {
 10940  		off1 := v.AuxInt
 10941  		sym := v.Aux
 10942  		v_0 := v.Args[0]
 10943  		if v_0.Op != OpS390XADDconst {
 10944  			break
 10945  		}
 10946  		off2 := v_0.AuxInt
 10947  		ptr := v_0.Args[0]
 10948  		mem := v.Args[1]
 10949  		if !(is20Bit(off1 + off2)) {
 10950  			break
 10951  		}
 10952  		v.reset(OpS390XMOVHZload)
 10953  		v.AuxInt = off1 + off2
 10954  		v.Aux = sym
 10955  		v.AddArg(ptr)
 10956  		v.AddArg(mem)
 10957  		return true
 10958  	}
 10959  	// match: (MOVHZload  [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 10960  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 10961  	// result: (MOVHZload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
 10962  	for {
 10963  		off1 := v.AuxInt
 10964  		sym1 := v.Aux
 10965  		v_0 := v.Args[0]
 10966  		if v_0.Op != OpS390XMOVDaddr {
 10967  			break
 10968  		}
 10969  		off2 := v_0.AuxInt
 10970  		sym2 := v_0.Aux
 10971  		base := v_0.Args[0]
 10972  		mem := v.Args[1]
 10973  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 10974  			break
 10975  		}
 10976  		v.reset(OpS390XMOVHZload)
 10977  		v.AuxInt = off1 + off2
 10978  		v.Aux = mergeSym(sym1, sym2)
 10979  		v.AddArg(base)
 10980  		v.AddArg(mem)
 10981  		return true
 10982  	}
 10983  	// match: (MOVHZload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
 10984  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 10985  	// result: (MOVHZloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
 10986  	for {
 10987  		off1 := v.AuxInt
 10988  		sym1 := v.Aux
 10989  		v_0 := v.Args[0]
 10990  		if v_0.Op != OpS390XMOVDaddridx {
 10991  			break
 10992  		}
 10993  		off2 := v_0.AuxInt
 10994  		sym2 := v_0.Aux
 10995  		ptr := v_0.Args[0]
 10996  		idx := v_0.Args[1]
 10997  		mem := v.Args[1]
 10998  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 10999  			break
 11000  		}
 11001  		v.reset(OpS390XMOVHZloadidx)
 11002  		v.AuxInt = off1 + off2
 11003  		v.Aux = mergeSym(sym1, sym2)
 11004  		v.AddArg(ptr)
 11005  		v.AddArg(idx)
 11006  		v.AddArg(mem)
 11007  		return true
 11008  	}
 11009  	// match: (MOVHZload [off] {sym} (ADD ptr idx) mem)
 11010  	// cond: ptr.Op != OpSB
 11011  	// result: (MOVHZloadidx [off] {sym} ptr idx mem)
 11012  	for {
 11013  		off := v.AuxInt
 11014  		sym := v.Aux
 11015  		v_0 := v.Args[0]
 11016  		if v_0.Op != OpS390XADD {
 11017  			break
 11018  		}
 11019  		ptr := v_0.Args[0]
 11020  		idx := v_0.Args[1]
 11021  		mem := v.Args[1]
 11022  		if !(ptr.Op != OpSB) {
 11023  			break
 11024  		}
 11025  		v.reset(OpS390XMOVHZloadidx)
 11026  		v.AuxInt = off
 11027  		v.Aux = sym
 11028  		v.AddArg(ptr)
 11029  		v.AddArg(idx)
 11030  		v.AddArg(mem)
 11031  		return true
 11032  	}
 11033  	return false
 11034  }
 11035  func rewriteValueS390X_OpS390XMOVHZloadidx(v *Value, config *Config) bool {
 11036  	b := v.Block
 11037  	_ = b
 11038  	// match: (MOVHZloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
 11039  	// cond:
 11040  	// result: (MOVHZloadidx [c+d] {sym} ptr idx mem)
 11041  	for {
 11042  		c := v.AuxInt
 11043  		sym := v.Aux
 11044  		v_0 := v.Args[0]
 11045  		if v_0.Op != OpS390XADDconst {
 11046  			break
 11047  		}
 11048  		d := v_0.AuxInt
 11049  		ptr := v_0.Args[0]
 11050  		idx := v.Args[1]
 11051  		mem := v.Args[2]
 11052  		v.reset(OpS390XMOVHZloadidx)
 11053  		v.AuxInt = c + d
 11054  		v.Aux = sym
 11055  		v.AddArg(ptr)
 11056  		v.AddArg(idx)
 11057  		v.AddArg(mem)
 11058  		return true
 11059  	}
 11060  	// match: (MOVHZloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
 11061  	// cond:
 11062  	// result: (MOVHZloadidx [c+d] {sym} ptr idx mem)
 11063  	for {
 11064  		c := v.AuxInt
 11065  		sym := v.Aux
 11066  		ptr := v.Args[0]
 11067  		v_1 := v.Args[1]
 11068  		if v_1.Op != OpS390XADDconst {
 11069  			break
 11070  		}
 11071  		d := v_1.AuxInt
 11072  		idx := v_1.Args[0]
 11073  		mem := v.Args[2]
 11074  		v.reset(OpS390XMOVHZloadidx)
 11075  		v.AuxInt = c + d
 11076  		v.Aux = sym
 11077  		v.AddArg(ptr)
 11078  		v.AddArg(idx)
 11079  		v.AddArg(mem)
 11080  		return true
 11081  	}
 11082  	return false
 11083  }
 11084  func rewriteValueS390X_OpS390XMOVHZreg(v *Value, config *Config) bool {
 11085  	b := v.Block
 11086  	_ = b
 11087  	// match: (MOVHZreg x:(MOVBZload _ _))
 11088  	// cond:
 11089  	// result: x
 11090  	for {
 11091  		x := v.Args[0]
 11092  		if x.Op != OpS390XMOVBZload {
 11093  			break
 11094  		}
 11095  		v.reset(OpCopy)
 11096  		v.Type = x.Type
 11097  		v.AddArg(x)
 11098  		return true
 11099  	}
 11100  	// match: (MOVHZreg x:(MOVHZload _ _))
 11101  	// cond:
 11102  	// result: x
 11103  	for {
 11104  		x := v.Args[0]
 11105  		if x.Op != OpS390XMOVHZload {
 11106  			break
 11107  		}
 11108  		v.reset(OpCopy)
 11109  		v.Type = x.Type
 11110  		v.AddArg(x)
 11111  		return true
 11112  	}
 11113  	// match: (MOVHZreg x:(Arg <t>))
 11114  	// cond: (is8BitInt(t) || is16BitInt(t)) && !isSigned(t)
 11115  	// result: x
 11116  	for {
 11117  		x := v.Args[0]
 11118  		if x.Op != OpArg {
 11119  			break
 11120  		}
 11121  		t := x.Type
 11122  		if !((is8BitInt(t) || is16BitInt(t)) && !isSigned(t)) {
 11123  			break
 11124  		}
 11125  		v.reset(OpCopy)
 11126  		v.Type = x.Type
 11127  		v.AddArg(x)
 11128  		return true
 11129  	}
 11130  	// match: (MOVHZreg x:(MOVBZreg _))
 11131  	// cond:
 11132  	// result: x
 11133  	for {
 11134  		x := v.Args[0]
 11135  		if x.Op != OpS390XMOVBZreg {
 11136  			break
 11137  		}
 11138  		v.reset(OpCopy)
 11139  		v.Type = x.Type
 11140  		v.AddArg(x)
 11141  		return true
 11142  	}
 11143  	// match: (MOVHZreg x:(MOVHZreg _))
 11144  	// cond:
 11145  	// result: x
 11146  	for {
 11147  		x := v.Args[0]
 11148  		if x.Op != OpS390XMOVHZreg {
 11149  			break
 11150  		}
 11151  		v.reset(OpCopy)
 11152  		v.Type = x.Type
 11153  		v.AddArg(x)
 11154  		return true
 11155  	}
 11156  	// match: (MOVHZreg (MOVDconst [c]))
 11157  	// cond:
 11158  	// result: (MOVDconst [int64(uint16(c))])
 11159  	for {
 11160  		v_0 := v.Args[0]
 11161  		if v_0.Op != OpS390XMOVDconst {
 11162  			break
 11163  		}
 11164  		c := v_0.AuxInt
 11165  		v.reset(OpS390XMOVDconst)
 11166  		v.AuxInt = int64(uint16(c))
 11167  		return true
 11168  	}
 11169  	// match: (MOVHZreg x:(MOVHZload [off] {sym} ptr mem))
 11170  	// cond: x.Uses == 1 && clobber(x)
 11171  	// result: @x.Block (MOVHZload <v.Type> [off] {sym} ptr mem)
 11172  	for {
 11173  		x := v.Args[0]
 11174  		if x.Op != OpS390XMOVHZload {
 11175  			break
 11176  		}
 11177  		off := x.AuxInt
 11178  		sym := x.Aux
 11179  		ptr := x.Args[0]
 11180  		mem := x.Args[1]
 11181  		if !(x.Uses == 1 && clobber(x)) {
 11182  			break
 11183  		}
 11184  		b = x.Block
 11185  		v0 := b.NewValue0(v.Line, OpS390XMOVHZload, v.Type)
 11186  		v.reset(OpCopy)
 11187  		v.AddArg(v0)
 11188  		v0.AuxInt = off
 11189  		v0.Aux = sym
 11190  		v0.AddArg(ptr)
 11191  		v0.AddArg(mem)
 11192  		return true
 11193  	}
 11194  	// match: (MOVHZreg x:(MOVHZloadidx [off] {sym} ptr idx mem))
 11195  	// cond: x.Uses == 1 && clobber(x)
 11196  	// result: @x.Block (MOVHZloadidx <v.Type> [off] {sym} ptr idx mem)
 11197  	for {
 11198  		x := v.Args[0]
 11199  		if x.Op != OpS390XMOVHZloadidx {
 11200  			break
 11201  		}
 11202  		off := x.AuxInt
 11203  		sym := x.Aux
 11204  		ptr := x.Args[0]
 11205  		idx := x.Args[1]
 11206  		mem := x.Args[2]
 11207  		if !(x.Uses == 1 && clobber(x)) {
 11208  			break
 11209  		}
 11210  		b = x.Block
 11211  		v0 := b.NewValue0(v.Line, OpS390XMOVHZloadidx, v.Type)
 11212  		v.reset(OpCopy)
 11213  		v.AddArg(v0)
 11214  		v0.AuxInt = off
 11215  		v0.Aux = sym
 11216  		v0.AddArg(ptr)
 11217  		v0.AddArg(idx)
 11218  		v0.AddArg(mem)
 11219  		return true
 11220  	}
 11221  	return false
 11222  }
 11223  func rewriteValueS390X_OpS390XMOVHload(v *Value, config *Config) bool {
 11224  	b := v.Block
 11225  	_ = b
 11226  	// match: (MOVHload   [off1] {sym} (ADDconst [off2] ptr) mem)
 11227  	// cond: is20Bit(off1+off2)
 11228  	// result: (MOVHload  [off1+off2] {sym} ptr mem)
 11229  	for {
 11230  		off1 := v.AuxInt
 11231  		sym := v.Aux
 11232  		v_0 := v.Args[0]
 11233  		if v_0.Op != OpS390XADDconst {
 11234  			break
 11235  		}
 11236  		off2 := v_0.AuxInt
 11237  		ptr := v_0.Args[0]
 11238  		mem := v.Args[1]
 11239  		if !(is20Bit(off1 + off2)) {
 11240  			break
 11241  		}
 11242  		v.reset(OpS390XMOVHload)
 11243  		v.AuxInt = off1 + off2
 11244  		v.Aux = sym
 11245  		v.AddArg(ptr)
 11246  		v.AddArg(mem)
 11247  		return true
 11248  	}
 11249  	// match: (MOVHload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 11250  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11251  	// result: (MOVHload [off1+off2] {mergeSym(sym1,sym2)} base mem)
 11252  	for {
 11253  		off1 := v.AuxInt
 11254  		sym1 := v.Aux
 11255  		v_0 := v.Args[0]
 11256  		if v_0.Op != OpS390XMOVDaddr {
 11257  			break
 11258  		}
 11259  		off2 := v_0.AuxInt
 11260  		sym2 := v_0.Aux
 11261  		base := v_0.Args[0]
 11262  		mem := v.Args[1]
 11263  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11264  			break
 11265  		}
 11266  		v.reset(OpS390XMOVHload)
 11267  		v.AuxInt = off1 + off2
 11268  		v.Aux = mergeSym(sym1, sym2)
 11269  		v.AddArg(base)
 11270  		v.AddArg(mem)
 11271  		return true
 11272  	}
 11273  	return false
 11274  }
 11275  func rewriteValueS390X_OpS390XMOVHreg(v *Value, config *Config) bool {
 11276  	b := v.Block
 11277  	_ = b
 11278  	// match: (MOVHreg x:(MOVBload _ _))
 11279  	// cond:
 11280  	// result: x
 11281  	for {
 11282  		x := v.Args[0]
 11283  		if x.Op != OpS390XMOVBload {
 11284  			break
 11285  		}
 11286  		v.reset(OpCopy)
 11287  		v.Type = x.Type
 11288  		v.AddArg(x)
 11289  		return true
 11290  	}
 11291  	// match: (MOVHreg x:(MOVBZload _ _))
 11292  	// cond:
 11293  	// result: x
 11294  	for {
 11295  		x := v.Args[0]
 11296  		if x.Op != OpS390XMOVBZload {
 11297  			break
 11298  		}
 11299  		v.reset(OpCopy)
 11300  		v.Type = x.Type
 11301  		v.AddArg(x)
 11302  		return true
 11303  	}
 11304  	// match: (MOVHreg x:(MOVHload _ _))
 11305  	// cond:
 11306  	// result: x
 11307  	for {
 11308  		x := v.Args[0]
 11309  		if x.Op != OpS390XMOVHload {
 11310  			break
 11311  		}
 11312  		v.reset(OpCopy)
 11313  		v.Type = x.Type
 11314  		v.AddArg(x)
 11315  		return true
 11316  	}
 11317  	// match: (MOVHreg x:(Arg <t>))
 11318  	// cond: (is8BitInt(t) || is16BitInt(t)) && isSigned(t)
 11319  	// result: x
 11320  	for {
 11321  		x := v.Args[0]
 11322  		if x.Op != OpArg {
 11323  			break
 11324  		}
 11325  		t := x.Type
 11326  		if !((is8BitInt(t) || is16BitInt(t)) && isSigned(t)) {
 11327  			break
 11328  		}
 11329  		v.reset(OpCopy)
 11330  		v.Type = x.Type
 11331  		v.AddArg(x)
 11332  		return true
 11333  	}
 11334  	// match: (MOVHreg x:(MOVBreg _))
 11335  	// cond:
 11336  	// result: x
 11337  	for {
 11338  		x := v.Args[0]
 11339  		if x.Op != OpS390XMOVBreg {
 11340  			break
 11341  		}
 11342  		v.reset(OpCopy)
 11343  		v.Type = x.Type
 11344  		v.AddArg(x)
 11345  		return true
 11346  	}
 11347  	// match: (MOVHreg x:(MOVBZreg _))
 11348  	// cond:
 11349  	// result: x
 11350  	for {
 11351  		x := v.Args[0]
 11352  		if x.Op != OpS390XMOVBZreg {
 11353  			break
 11354  		}
 11355  		v.reset(OpCopy)
 11356  		v.Type = x.Type
 11357  		v.AddArg(x)
 11358  		return true
 11359  	}
 11360  	// match: (MOVHreg x:(MOVHreg _))
 11361  	// cond:
 11362  	// result: x
 11363  	for {
 11364  		x := v.Args[0]
 11365  		if x.Op != OpS390XMOVHreg {
 11366  			break
 11367  		}
 11368  		v.reset(OpCopy)
 11369  		v.Type = x.Type
 11370  		v.AddArg(x)
 11371  		return true
 11372  	}
 11373  	// match: (MOVHreg (MOVDconst [c]))
 11374  	// cond:
 11375  	// result: (MOVDconst [int64(int16(c))])
 11376  	for {
 11377  		v_0 := v.Args[0]
 11378  		if v_0.Op != OpS390XMOVDconst {
 11379  			break
 11380  		}
 11381  		c := v_0.AuxInt
 11382  		v.reset(OpS390XMOVDconst)
 11383  		v.AuxInt = int64(int16(c))
 11384  		return true
 11385  	}
 11386  	// match: (MOVHreg x:(MOVHZload [off] {sym} ptr mem))
 11387  	// cond: x.Uses == 1 && clobber(x)
 11388  	// result: @x.Block (MOVHload <v.Type> [off] {sym} ptr mem)
 11389  	for {
 11390  		x := v.Args[0]
 11391  		if x.Op != OpS390XMOVHZload {
 11392  			break
 11393  		}
 11394  		off := x.AuxInt
 11395  		sym := x.Aux
 11396  		ptr := x.Args[0]
 11397  		mem := x.Args[1]
 11398  		if !(x.Uses == 1 && clobber(x)) {
 11399  			break
 11400  		}
 11401  		b = x.Block
 11402  		v0 := b.NewValue0(v.Line, OpS390XMOVHload, v.Type)
 11403  		v.reset(OpCopy)
 11404  		v.AddArg(v0)
 11405  		v0.AuxInt = off
 11406  		v0.Aux = sym
 11407  		v0.AddArg(ptr)
 11408  		v0.AddArg(mem)
 11409  		return true
 11410  	}
 11411  	return false
 11412  }
 11413  func rewriteValueS390X_OpS390XMOVHstore(v *Value, config *Config) bool {
 11414  	b := v.Block
 11415  	_ = b
 11416  	// match: (MOVHstore [off] {sym} ptr (MOVHreg x) mem)
 11417  	// cond:
 11418  	// result: (MOVHstore [off] {sym} ptr x mem)
 11419  	for {
 11420  		off := v.AuxInt
 11421  		sym := v.Aux
 11422  		ptr := v.Args[0]
 11423  		v_1 := v.Args[1]
 11424  		if v_1.Op != OpS390XMOVHreg {
 11425  			break
 11426  		}
 11427  		x := v_1.Args[0]
 11428  		mem := v.Args[2]
 11429  		v.reset(OpS390XMOVHstore)
 11430  		v.AuxInt = off
 11431  		v.Aux = sym
 11432  		v.AddArg(ptr)
 11433  		v.AddArg(x)
 11434  		v.AddArg(mem)
 11435  		return true
 11436  	}
 11437  	// match: (MOVHstore [off] {sym} ptr (MOVHZreg x) mem)
 11438  	// cond:
 11439  	// result: (MOVHstore [off] {sym} ptr x mem)
 11440  	for {
 11441  		off := v.AuxInt
 11442  		sym := v.Aux
 11443  		ptr := v.Args[0]
 11444  		v_1 := v.Args[1]
 11445  		if v_1.Op != OpS390XMOVHZreg {
 11446  			break
 11447  		}
 11448  		x := v_1.Args[0]
 11449  		mem := v.Args[2]
 11450  		v.reset(OpS390XMOVHstore)
 11451  		v.AuxInt = off
 11452  		v.Aux = sym
 11453  		v.AddArg(ptr)
 11454  		v.AddArg(x)
 11455  		v.AddArg(mem)
 11456  		return true
 11457  	}
 11458  	// match: (MOVHstore  [off1] {sym} (ADDconst [off2] ptr) val mem)
 11459  	// cond: is20Bit(off1+off2)
 11460  	// result: (MOVHstore  [off1+off2] {sym} ptr val mem)
 11461  	for {
 11462  		off1 := v.AuxInt
 11463  		sym := v.Aux
 11464  		v_0 := v.Args[0]
 11465  		if v_0.Op != OpS390XADDconst {
 11466  			break
 11467  		}
 11468  		off2 := v_0.AuxInt
 11469  		ptr := v_0.Args[0]
 11470  		val := v.Args[1]
 11471  		mem := v.Args[2]
 11472  		if !(is20Bit(off1 + off2)) {
 11473  			break
 11474  		}
 11475  		v.reset(OpS390XMOVHstore)
 11476  		v.AuxInt = off1 + off2
 11477  		v.Aux = sym
 11478  		v.AddArg(ptr)
 11479  		v.AddArg(val)
 11480  		v.AddArg(mem)
 11481  		return true
 11482  	}
 11483  	// match: (MOVHstore [off] {sym} ptr (MOVDconst [c]) mem)
 11484  	// cond: validOff(off) && ptr.Op != OpSB
 11485  	// result: (MOVHstoreconst [makeValAndOff(int64(int16(c)),off)] {sym} ptr mem)
 11486  	for {
 11487  		off := v.AuxInt
 11488  		sym := v.Aux
 11489  		ptr := v.Args[0]
 11490  		v_1 := v.Args[1]
 11491  		if v_1.Op != OpS390XMOVDconst {
 11492  			break
 11493  		}
 11494  		c := v_1.AuxInt
 11495  		mem := v.Args[2]
 11496  		if !(validOff(off) && ptr.Op != OpSB) {
 11497  			break
 11498  		}
 11499  		v.reset(OpS390XMOVHstoreconst)
 11500  		v.AuxInt = makeValAndOff(int64(int16(c)), off)
 11501  		v.Aux = sym
 11502  		v.AddArg(ptr)
 11503  		v.AddArg(mem)
 11504  		return true
 11505  	}
 11506  	// match: (MOVHstore  [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
 11507  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11508  	// result: (MOVHstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
 11509  	for {
 11510  		off1 := v.AuxInt
 11511  		sym1 := v.Aux
 11512  		v_0 := v.Args[0]
 11513  		if v_0.Op != OpS390XMOVDaddr {
 11514  			break
 11515  		}
 11516  		off2 := v_0.AuxInt
 11517  		sym2 := v_0.Aux
 11518  		base := v_0.Args[0]
 11519  		val := v.Args[1]
 11520  		mem := v.Args[2]
 11521  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11522  			break
 11523  		}
 11524  		v.reset(OpS390XMOVHstore)
 11525  		v.AuxInt = off1 + off2
 11526  		v.Aux = mergeSym(sym1, sym2)
 11527  		v.AddArg(base)
 11528  		v.AddArg(val)
 11529  		v.AddArg(mem)
 11530  		return true
 11531  	}
 11532  	// match: (MOVHstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
 11533  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11534  	// result: (MOVHstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
 11535  	for {
 11536  		off1 := v.AuxInt
 11537  		sym1 := v.Aux
 11538  		v_0 := v.Args[0]
 11539  		if v_0.Op != OpS390XMOVDaddridx {
 11540  			break
 11541  		}
 11542  		off2 := v_0.AuxInt
 11543  		sym2 := v_0.Aux
 11544  		ptr := v_0.Args[0]
 11545  		idx := v_0.Args[1]
 11546  		val := v.Args[1]
 11547  		mem := v.Args[2]
 11548  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11549  			break
 11550  		}
 11551  		v.reset(OpS390XMOVHstoreidx)
 11552  		v.AuxInt = off1 + off2
 11553  		v.Aux = mergeSym(sym1, sym2)
 11554  		v.AddArg(ptr)
 11555  		v.AddArg(idx)
 11556  		v.AddArg(val)
 11557  		v.AddArg(mem)
 11558  		return true
 11559  	}
 11560  	// match: (MOVHstore [off] {sym} (ADD ptr idx) val mem)
 11561  	// cond: ptr.Op != OpSB
 11562  	// result: (MOVHstoreidx [off] {sym} ptr idx val mem)
 11563  	for {
 11564  		off := v.AuxInt
 11565  		sym := v.Aux
 11566  		v_0 := v.Args[0]
 11567  		if v_0.Op != OpS390XADD {
 11568  			break
 11569  		}
 11570  		ptr := v_0.Args[0]
 11571  		idx := v_0.Args[1]
 11572  		val := v.Args[1]
 11573  		mem := v.Args[2]
 11574  		if !(ptr.Op != OpSB) {
 11575  			break
 11576  		}
 11577  		v.reset(OpS390XMOVHstoreidx)
 11578  		v.AuxInt = off
 11579  		v.Aux = sym
 11580  		v.AddArg(ptr)
 11581  		v.AddArg(idx)
 11582  		v.AddArg(val)
 11583  		v.AddArg(mem)
 11584  		return true
 11585  	}
 11586  	// match: (MOVHstore [i] {s} p w x:(MOVHstore [i-2] {s} p (SRDconst [16] w) mem))
 11587  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 11588  	// result: (MOVWstore [i-2] {s} p w mem)
 11589  	for {
 11590  		i := v.AuxInt
 11591  		s := v.Aux
 11592  		p := v.Args[0]
 11593  		w := v.Args[1]
 11594  		x := v.Args[2]
 11595  		if x.Op != OpS390XMOVHstore {
 11596  			break
 11597  		}
 11598  		if x.AuxInt != i-2 {
 11599  			break
 11600  		}
 11601  		if x.Aux != s {
 11602  			break
 11603  		}
 11604  		if p != x.Args[0] {
 11605  			break
 11606  		}
 11607  		x_1 := x.Args[1]
 11608  		if x_1.Op != OpS390XSRDconst {
 11609  			break
 11610  		}
 11611  		if x_1.AuxInt != 16 {
 11612  			break
 11613  		}
 11614  		if w != x_1.Args[0] {
 11615  			break
 11616  		}
 11617  		mem := x.Args[2]
 11618  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 11619  			break
 11620  		}
 11621  		v.reset(OpS390XMOVWstore)
 11622  		v.AuxInt = i - 2
 11623  		v.Aux = s
 11624  		v.AddArg(p)
 11625  		v.AddArg(w)
 11626  		v.AddArg(mem)
 11627  		return true
 11628  	}
 11629  	// match: (MOVHstore [i] {s} p w0:(SRDconst [j] w) x:(MOVHstore [i-2] {s} p (SRDconst [j+16] w) mem))
 11630  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 11631  	// result: (MOVWstore [i-2] {s} p w0 mem)
 11632  	for {
 11633  		i := v.AuxInt
 11634  		s := v.Aux
 11635  		p := v.Args[0]
 11636  		w0 := v.Args[1]
 11637  		if w0.Op != OpS390XSRDconst {
 11638  			break
 11639  		}
 11640  		j := w0.AuxInt
 11641  		w := w0.Args[0]
 11642  		x := v.Args[2]
 11643  		if x.Op != OpS390XMOVHstore {
 11644  			break
 11645  		}
 11646  		if x.AuxInt != i-2 {
 11647  			break
 11648  		}
 11649  		if x.Aux != s {
 11650  			break
 11651  		}
 11652  		if p != x.Args[0] {
 11653  			break
 11654  		}
 11655  		x_1 := x.Args[1]
 11656  		if x_1.Op != OpS390XSRDconst {
 11657  			break
 11658  		}
 11659  		if x_1.AuxInt != j+16 {
 11660  			break
 11661  		}
 11662  		if w != x_1.Args[0] {
 11663  			break
 11664  		}
 11665  		mem := x.Args[2]
 11666  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 11667  			break
 11668  		}
 11669  		v.reset(OpS390XMOVWstore)
 11670  		v.AuxInt = i - 2
 11671  		v.Aux = s
 11672  		v.AddArg(p)
 11673  		v.AddArg(w0)
 11674  		v.AddArg(mem)
 11675  		return true
 11676  	}
 11677  	// match: (MOVHstore [i] {s} p w x:(MOVHstore [i-2] {s} p (SRWconst [16] w) mem))
 11678  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 11679  	// result: (MOVWstore [i-2] {s} p w mem)
 11680  	for {
 11681  		i := v.AuxInt
 11682  		s := v.Aux
 11683  		p := v.Args[0]
 11684  		w := v.Args[1]
 11685  		x := v.Args[2]
 11686  		if x.Op != OpS390XMOVHstore {
 11687  			break
 11688  		}
 11689  		if x.AuxInt != i-2 {
 11690  			break
 11691  		}
 11692  		if x.Aux != s {
 11693  			break
 11694  		}
 11695  		if p != x.Args[0] {
 11696  			break
 11697  		}
 11698  		x_1 := x.Args[1]
 11699  		if x_1.Op != OpS390XSRWconst {
 11700  			break
 11701  		}
 11702  		if x_1.AuxInt != 16 {
 11703  			break
 11704  		}
 11705  		if w != x_1.Args[0] {
 11706  			break
 11707  		}
 11708  		mem := x.Args[2]
 11709  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 11710  			break
 11711  		}
 11712  		v.reset(OpS390XMOVWstore)
 11713  		v.AuxInt = i - 2
 11714  		v.Aux = s
 11715  		v.AddArg(p)
 11716  		v.AddArg(w)
 11717  		v.AddArg(mem)
 11718  		return true
 11719  	}
 11720  	// match: (MOVHstore [i] {s} p w0:(SRWconst [j] w) x:(MOVHstore [i-2] {s} p (SRWconst [j+16] w) mem))
 11721  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 11722  	// result: (MOVWstore [i-2] {s} p w0 mem)
 11723  	for {
 11724  		i := v.AuxInt
 11725  		s := v.Aux
 11726  		p := v.Args[0]
 11727  		w0 := v.Args[1]
 11728  		if w0.Op != OpS390XSRWconst {
 11729  			break
 11730  		}
 11731  		j := w0.AuxInt
 11732  		w := w0.Args[0]
 11733  		x := v.Args[2]
 11734  		if x.Op != OpS390XMOVHstore {
 11735  			break
 11736  		}
 11737  		if x.AuxInt != i-2 {
 11738  			break
 11739  		}
 11740  		if x.Aux != s {
 11741  			break
 11742  		}
 11743  		if p != x.Args[0] {
 11744  			break
 11745  		}
 11746  		x_1 := x.Args[1]
 11747  		if x_1.Op != OpS390XSRWconst {
 11748  			break
 11749  		}
 11750  		if x_1.AuxInt != j+16 {
 11751  			break
 11752  		}
 11753  		if w != x_1.Args[0] {
 11754  			break
 11755  		}
 11756  		mem := x.Args[2]
 11757  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 11758  			break
 11759  		}
 11760  		v.reset(OpS390XMOVWstore)
 11761  		v.AuxInt = i - 2
 11762  		v.Aux = s
 11763  		v.AddArg(p)
 11764  		v.AddArg(w0)
 11765  		v.AddArg(mem)
 11766  		return true
 11767  	}
 11768  	return false
 11769  }
 11770  func rewriteValueS390X_OpS390XMOVHstoreconst(v *Value, config *Config) bool {
 11771  	b := v.Block
 11772  	_ = b
 11773  	// match: (MOVHstoreconst [sc] {s} (ADDconst [off] ptr) mem)
 11774  	// cond: ValAndOff(sc).canAdd(off)
 11775  	// result: (MOVHstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
 11776  	for {
 11777  		sc := v.AuxInt
 11778  		s := v.Aux
 11779  		v_0 := v.Args[0]
 11780  		if v_0.Op != OpS390XADDconst {
 11781  			break
 11782  		}
 11783  		off := v_0.AuxInt
 11784  		ptr := v_0.Args[0]
 11785  		mem := v.Args[1]
 11786  		if !(ValAndOff(sc).canAdd(off)) {
 11787  			break
 11788  		}
 11789  		v.reset(OpS390XMOVHstoreconst)
 11790  		v.AuxInt = ValAndOff(sc).add(off)
 11791  		v.Aux = s
 11792  		v.AddArg(ptr)
 11793  		v.AddArg(mem)
 11794  		return true
 11795  	}
 11796  	// match: (MOVHstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
 11797  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
 11798  	// result: (MOVHstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
 11799  	for {
 11800  		sc := v.AuxInt
 11801  		sym1 := v.Aux
 11802  		v_0 := v.Args[0]
 11803  		if v_0.Op != OpS390XMOVDaddr {
 11804  			break
 11805  		}
 11806  		off := v_0.AuxInt
 11807  		sym2 := v_0.Aux
 11808  		ptr := v_0.Args[0]
 11809  		mem := v.Args[1]
 11810  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
 11811  			break
 11812  		}
 11813  		v.reset(OpS390XMOVHstoreconst)
 11814  		v.AuxInt = ValAndOff(sc).add(off)
 11815  		v.Aux = mergeSym(sym1, sym2)
 11816  		v.AddArg(ptr)
 11817  		v.AddArg(mem)
 11818  		return true
 11819  	}
 11820  	// match: (MOVHstoreconst [c] {s} p x:(MOVHstoreconst [a] {s} p mem))
 11821  	// cond: p.Op != OpSB   && x.Uses == 1   && ValAndOff(a).Off() + 2 == ValAndOff(c).Off()   && clobber(x)
 11822  	// result: (MOVWstoreconst [makeValAndOff(ValAndOff(c).Val()&0xffff | ValAndOff(a).Val()<<16, ValAndOff(a).Off())] {s} p mem)
 11823  	for {
 11824  		c := v.AuxInt
 11825  		s := v.Aux
 11826  		p := v.Args[0]
 11827  		x := v.Args[1]
 11828  		if x.Op != OpS390XMOVHstoreconst {
 11829  			break
 11830  		}
 11831  		a := x.AuxInt
 11832  		if x.Aux != s {
 11833  			break
 11834  		}
 11835  		if p != x.Args[0] {
 11836  			break
 11837  		}
 11838  		mem := x.Args[1]
 11839  		if !(p.Op != OpSB && x.Uses == 1 && ValAndOff(a).Off()+2 == ValAndOff(c).Off() && clobber(x)) {
 11840  			break
 11841  		}
 11842  		v.reset(OpS390XMOVWstoreconst)
 11843  		v.AuxInt = makeValAndOff(ValAndOff(c).Val()&0xffff|ValAndOff(a).Val()<<16, ValAndOff(a).Off())
 11844  		v.Aux = s
 11845  		v.AddArg(p)
 11846  		v.AddArg(mem)
 11847  		return true
 11848  	}
 11849  	return false
 11850  }
 11851  func rewriteValueS390X_OpS390XMOVHstoreidx(v *Value, config *Config) bool {
 11852  	b := v.Block
 11853  	_ = b
 11854  	// match: (MOVHstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
 11855  	// cond:
 11856  	// result: (MOVHstoreidx [c+d] {sym} ptr idx val mem)
 11857  	for {
 11858  		c := v.AuxInt
 11859  		sym := v.Aux
 11860  		v_0 := v.Args[0]
 11861  		if v_0.Op != OpS390XADDconst {
 11862  			break
 11863  		}
 11864  		d := v_0.AuxInt
 11865  		ptr := v_0.Args[0]
 11866  		idx := v.Args[1]
 11867  		val := v.Args[2]
 11868  		mem := v.Args[3]
 11869  		v.reset(OpS390XMOVHstoreidx)
 11870  		v.AuxInt = c + d
 11871  		v.Aux = sym
 11872  		v.AddArg(ptr)
 11873  		v.AddArg(idx)
 11874  		v.AddArg(val)
 11875  		v.AddArg(mem)
 11876  		return true
 11877  	}
 11878  	// match: (MOVHstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
 11879  	// cond:
 11880  	// result: (MOVHstoreidx [c+d] {sym} ptr idx val mem)
 11881  	for {
 11882  		c := v.AuxInt
 11883  		sym := v.Aux
 11884  		ptr := v.Args[0]
 11885  		v_1 := v.Args[1]
 11886  		if v_1.Op != OpS390XADDconst {
 11887  			break
 11888  		}
 11889  		d := v_1.AuxInt
 11890  		idx := v_1.Args[0]
 11891  		val := v.Args[2]
 11892  		mem := v.Args[3]
 11893  		v.reset(OpS390XMOVHstoreidx)
 11894  		v.AuxInt = c + d
 11895  		v.Aux = sym
 11896  		v.AddArg(ptr)
 11897  		v.AddArg(idx)
 11898  		v.AddArg(val)
 11899  		v.AddArg(mem)
 11900  		return true
 11901  	}
 11902  	// match: (MOVHstoreidx [i] {s} p idx w x:(MOVHstoreidx [i-2] {s} p idx (SRDconst [16] w) mem))
 11903  	// cond: x.Uses == 1   && clobber(x)
 11904  	// result: (MOVWstoreidx [i-2] {s} p idx w mem)
 11905  	for {
 11906  		i := v.AuxInt
 11907  		s := v.Aux
 11908  		p := v.Args[0]
 11909  		idx := v.Args[1]
 11910  		w := v.Args[2]
 11911  		x := v.Args[3]
 11912  		if x.Op != OpS390XMOVHstoreidx {
 11913  			break
 11914  		}
 11915  		if x.AuxInt != i-2 {
 11916  			break
 11917  		}
 11918  		if x.Aux != s {
 11919  			break
 11920  		}
 11921  		if p != x.Args[0] {
 11922  			break
 11923  		}
 11924  		if idx != x.Args[1] {
 11925  			break
 11926  		}
 11927  		x_2 := x.Args[2]
 11928  		if x_2.Op != OpS390XSRDconst {
 11929  			break
 11930  		}
 11931  		if x_2.AuxInt != 16 {
 11932  			break
 11933  		}
 11934  		if w != x_2.Args[0] {
 11935  			break
 11936  		}
 11937  		mem := x.Args[3]
 11938  		if !(x.Uses == 1 && clobber(x)) {
 11939  			break
 11940  		}
 11941  		v.reset(OpS390XMOVWstoreidx)
 11942  		v.AuxInt = i - 2
 11943  		v.Aux = s
 11944  		v.AddArg(p)
 11945  		v.AddArg(idx)
 11946  		v.AddArg(w)
 11947  		v.AddArg(mem)
 11948  		return true
 11949  	}
 11950  	// match: (MOVHstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVHstoreidx [i-2] {s} p idx (SRDconst [j+16] w) mem))
 11951  	// cond: x.Uses == 1   && clobber(x)
 11952  	// result: (MOVWstoreidx [i-2] {s} p idx w0 mem)
 11953  	for {
 11954  		i := v.AuxInt
 11955  		s := v.Aux
 11956  		p := v.Args[0]
 11957  		idx := v.Args[1]
 11958  		w0 := v.Args[2]
 11959  		if w0.Op != OpS390XSRDconst {
 11960  			break
 11961  		}
 11962  		j := w0.AuxInt
 11963  		w := w0.Args[0]
 11964  		x := v.Args[3]
 11965  		if x.Op != OpS390XMOVHstoreidx {
 11966  			break
 11967  		}
 11968  		if x.AuxInt != i-2 {
 11969  			break
 11970  		}
 11971  		if x.Aux != s {
 11972  			break
 11973  		}
 11974  		if p != x.Args[0] {
 11975  			break
 11976  		}
 11977  		if idx != x.Args[1] {
 11978  			break
 11979  		}
 11980  		x_2 := x.Args[2]
 11981  		if x_2.Op != OpS390XSRDconst {
 11982  			break
 11983  		}
 11984  		if x_2.AuxInt != j+16 {
 11985  			break
 11986  		}
 11987  		if w != x_2.Args[0] {
 11988  			break
 11989  		}
 11990  		mem := x.Args[3]
 11991  		if !(x.Uses == 1 && clobber(x)) {
 11992  			break
 11993  		}
 11994  		v.reset(OpS390XMOVWstoreidx)
 11995  		v.AuxInt = i - 2
 11996  		v.Aux = s
 11997  		v.AddArg(p)
 11998  		v.AddArg(idx)
 11999  		v.AddArg(w0)
 12000  		v.AddArg(mem)
 12001  		return true
 12002  	}
 12003  	// match: (MOVHstoreidx [i] {s} p idx w x:(MOVHstoreidx [i-2] {s} p idx (SRWconst [16] w) mem))
 12004  	// cond: x.Uses == 1   && clobber(x)
 12005  	// result: (MOVWstoreidx [i-2] {s} p idx w mem)
 12006  	for {
 12007  		i := v.AuxInt
 12008  		s := v.Aux
 12009  		p := v.Args[0]
 12010  		idx := v.Args[1]
 12011  		w := v.Args[2]
 12012  		x := v.Args[3]
 12013  		if x.Op != OpS390XMOVHstoreidx {
 12014  			break
 12015  		}
 12016  		if x.AuxInt != i-2 {
 12017  			break
 12018  		}
 12019  		if x.Aux != s {
 12020  			break
 12021  		}
 12022  		if p != x.Args[0] {
 12023  			break
 12024  		}
 12025  		if idx != x.Args[1] {
 12026  			break
 12027  		}
 12028  		x_2 := x.Args[2]
 12029  		if x_2.Op != OpS390XSRWconst {
 12030  			break
 12031  		}
 12032  		if x_2.AuxInt != 16 {
 12033  			break
 12034  		}
 12035  		if w != x_2.Args[0] {
 12036  			break
 12037  		}
 12038  		mem := x.Args[3]
 12039  		if !(x.Uses == 1 && clobber(x)) {
 12040  			break
 12041  		}
 12042  		v.reset(OpS390XMOVWstoreidx)
 12043  		v.AuxInt = i - 2
 12044  		v.Aux = s
 12045  		v.AddArg(p)
 12046  		v.AddArg(idx)
 12047  		v.AddArg(w)
 12048  		v.AddArg(mem)
 12049  		return true
 12050  	}
 12051  	// match: (MOVHstoreidx [i] {s} p idx w0:(SRWconst [j] w) x:(MOVHstoreidx [i-2] {s} p idx (SRWconst [j+16] w) mem))
 12052  	// cond: x.Uses == 1   && clobber(x)
 12053  	// result: (MOVWstoreidx [i-2] {s} p idx w0 mem)
 12054  	for {
 12055  		i := v.AuxInt
 12056  		s := v.Aux
 12057  		p := v.Args[0]
 12058  		idx := v.Args[1]
 12059  		w0 := v.Args[2]
 12060  		if w0.Op != OpS390XSRWconst {
 12061  			break
 12062  		}
 12063  		j := w0.AuxInt
 12064  		w := w0.Args[0]
 12065  		x := v.Args[3]
 12066  		if x.Op != OpS390XMOVHstoreidx {
 12067  			break
 12068  		}
 12069  		if x.AuxInt != i-2 {
 12070  			break
 12071  		}
 12072  		if x.Aux != s {
 12073  			break
 12074  		}
 12075  		if p != x.Args[0] {
 12076  			break
 12077  		}
 12078  		if idx != x.Args[1] {
 12079  			break
 12080  		}
 12081  		x_2 := x.Args[2]
 12082  		if x_2.Op != OpS390XSRWconst {
 12083  			break
 12084  		}
 12085  		if x_2.AuxInt != j+16 {
 12086  			break
 12087  		}
 12088  		if w != x_2.Args[0] {
 12089  			break
 12090  		}
 12091  		mem := x.Args[3]
 12092  		if !(x.Uses == 1 && clobber(x)) {
 12093  			break
 12094  		}
 12095  		v.reset(OpS390XMOVWstoreidx)
 12096  		v.AuxInt = i - 2
 12097  		v.Aux = s
 12098  		v.AddArg(p)
 12099  		v.AddArg(idx)
 12100  		v.AddArg(w0)
 12101  		v.AddArg(mem)
 12102  		return true
 12103  	}
 12104  	return false
 12105  }
 12106  func rewriteValueS390X_OpS390XMOVWBRstore(v *Value, config *Config) bool {
 12107  	b := v.Block
 12108  	_ = b
 12109  	// match: (MOVWBRstore [i] {s} p (SRDconst [32] w) x:(MOVWBRstore [i-4] {s} p w mem))
 12110  	// cond: x.Uses == 1   && clobber(x)
 12111  	// result: (MOVDBRstore [i-4] {s} p w mem)
 12112  	for {
 12113  		i := v.AuxInt
 12114  		s := v.Aux
 12115  		p := v.Args[0]
 12116  		v_1 := v.Args[1]
 12117  		if v_1.Op != OpS390XSRDconst {
 12118  			break
 12119  		}
 12120  		if v_1.AuxInt != 32 {
 12121  			break
 12122  		}
 12123  		w := v_1.Args[0]
 12124  		x := v.Args[2]
 12125  		if x.Op != OpS390XMOVWBRstore {
 12126  			break
 12127  		}
 12128  		if x.AuxInt != i-4 {
 12129  			break
 12130  		}
 12131  		if x.Aux != s {
 12132  			break
 12133  		}
 12134  		if p != x.Args[0] {
 12135  			break
 12136  		}
 12137  		if w != x.Args[1] {
 12138  			break
 12139  		}
 12140  		mem := x.Args[2]
 12141  		if !(x.Uses == 1 && clobber(x)) {
 12142  			break
 12143  		}
 12144  		v.reset(OpS390XMOVDBRstore)
 12145  		v.AuxInt = i - 4
 12146  		v.Aux = s
 12147  		v.AddArg(p)
 12148  		v.AddArg(w)
 12149  		v.AddArg(mem)
 12150  		return true
 12151  	}
 12152  	// match: (MOVWBRstore [i] {s} p (SRDconst [j] w) x:(MOVWBRstore [i-4] {s} p w0:(SRDconst [j-32] w) mem))
 12153  	// cond: x.Uses == 1   && clobber(x)
 12154  	// result: (MOVDBRstore [i-4] {s} p w0 mem)
 12155  	for {
 12156  		i := v.AuxInt
 12157  		s := v.Aux
 12158  		p := v.Args[0]
 12159  		v_1 := v.Args[1]
 12160  		if v_1.Op != OpS390XSRDconst {
 12161  			break
 12162  		}
 12163  		j := v_1.AuxInt
 12164  		w := v_1.Args[0]
 12165  		x := v.Args[2]
 12166  		if x.Op != OpS390XMOVWBRstore {
 12167  			break
 12168  		}
 12169  		if x.AuxInt != i-4 {
 12170  			break
 12171  		}
 12172  		if x.Aux != s {
 12173  			break
 12174  		}
 12175  		if p != x.Args[0] {
 12176  			break
 12177  		}
 12178  		w0 := x.Args[1]
 12179  		if w0.Op != OpS390XSRDconst {
 12180  			break
 12181  		}
 12182  		if w0.AuxInt != j-32 {
 12183  			break
 12184  		}
 12185  		if w != w0.Args[0] {
 12186  			break
 12187  		}
 12188  		mem := x.Args[2]
 12189  		if !(x.Uses == 1 && clobber(x)) {
 12190  			break
 12191  		}
 12192  		v.reset(OpS390XMOVDBRstore)
 12193  		v.AuxInt = i - 4
 12194  		v.Aux = s
 12195  		v.AddArg(p)
 12196  		v.AddArg(w0)
 12197  		v.AddArg(mem)
 12198  		return true
 12199  	}
 12200  	return false
 12201  }
 12202  func rewriteValueS390X_OpS390XMOVWBRstoreidx(v *Value, config *Config) bool {
 12203  	b := v.Block
 12204  	_ = b
 12205  	// match: (MOVWBRstoreidx [i] {s} p idx (SRDconst [32] w) x:(MOVWBRstoreidx [i-4] {s} p idx w mem))
 12206  	// cond: x.Uses == 1   && clobber(x)
 12207  	// result: (MOVDBRstoreidx [i-4] {s} p idx w mem)
 12208  	for {
 12209  		i := v.AuxInt
 12210  		s := v.Aux
 12211  		p := v.Args[0]
 12212  		idx := v.Args[1]
 12213  		v_2 := v.Args[2]
 12214  		if v_2.Op != OpS390XSRDconst {
 12215  			break
 12216  		}
 12217  		if v_2.AuxInt != 32 {
 12218  			break
 12219  		}
 12220  		w := v_2.Args[0]
 12221  		x := v.Args[3]
 12222  		if x.Op != OpS390XMOVWBRstoreidx {
 12223  			break
 12224  		}
 12225  		if x.AuxInt != i-4 {
 12226  			break
 12227  		}
 12228  		if x.Aux != s {
 12229  			break
 12230  		}
 12231  		if p != x.Args[0] {
 12232  			break
 12233  		}
 12234  		if idx != x.Args[1] {
 12235  			break
 12236  		}
 12237  		if w != x.Args[2] {
 12238  			break
 12239  		}
 12240  		mem := x.Args[3]
 12241  		if !(x.Uses == 1 && clobber(x)) {
 12242  			break
 12243  		}
 12244  		v.reset(OpS390XMOVDBRstoreidx)
 12245  		v.AuxInt = i - 4
 12246  		v.Aux = s
 12247  		v.AddArg(p)
 12248  		v.AddArg(idx)
 12249  		v.AddArg(w)
 12250  		v.AddArg(mem)
 12251  		return true
 12252  	}
 12253  	// match: (MOVWBRstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVWBRstoreidx [i-4] {s} p idx w0:(SRDconst [j-32] w) mem))
 12254  	// cond: x.Uses == 1   && clobber(x)
 12255  	// result: (MOVDBRstoreidx [i-4] {s} p idx w0 mem)
 12256  	for {
 12257  		i := v.AuxInt
 12258  		s := v.Aux
 12259  		p := v.Args[0]
 12260  		idx := v.Args[1]
 12261  		v_2 := v.Args[2]
 12262  		if v_2.Op != OpS390XSRDconst {
 12263  			break
 12264  		}
 12265  		j := v_2.AuxInt
 12266  		w := v_2.Args[0]
 12267  		x := v.Args[3]
 12268  		if x.Op != OpS390XMOVWBRstoreidx {
 12269  			break
 12270  		}
 12271  		if x.AuxInt != i-4 {
 12272  			break
 12273  		}
 12274  		if x.Aux != s {
 12275  			break
 12276  		}
 12277  		if p != x.Args[0] {
 12278  			break
 12279  		}
 12280  		if idx != x.Args[1] {
 12281  			break
 12282  		}
 12283  		w0 := x.Args[2]
 12284  		if w0.Op != OpS390XSRDconst {
 12285  			break
 12286  		}
 12287  		if w0.AuxInt != j-32 {
 12288  			break
 12289  		}
 12290  		if w != w0.Args[0] {
 12291  			break
 12292  		}
 12293  		mem := x.Args[3]
 12294  		if !(x.Uses == 1 && clobber(x)) {
 12295  			break
 12296  		}
 12297  		v.reset(OpS390XMOVDBRstoreidx)
 12298  		v.AuxInt = i - 4
 12299  		v.Aux = s
 12300  		v.AddArg(p)
 12301  		v.AddArg(idx)
 12302  		v.AddArg(w0)
 12303  		v.AddArg(mem)
 12304  		return true
 12305  	}
 12306  	return false
 12307  }
 12308  func rewriteValueS390X_OpS390XMOVWZload(v *Value, config *Config) bool {
 12309  	b := v.Block
 12310  	_ = b
 12311  	// match: (MOVWZload [off] {sym} ptr (MOVWstore [off2] {sym2} ptr2 x _))
 12312  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 12313  	// result: x
 12314  	for {
 12315  		off := v.AuxInt
 12316  		sym := v.Aux
 12317  		ptr := v.Args[0]
 12318  		v_1 := v.Args[1]
 12319  		if v_1.Op != OpS390XMOVWstore {
 12320  			break
 12321  		}
 12322  		off2 := v_1.AuxInt
 12323  		sym2 := v_1.Aux
 12324  		ptr2 := v_1.Args[0]
 12325  		x := v_1.Args[1]
 12326  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 12327  			break
 12328  		}
 12329  		v.reset(OpCopy)
 12330  		v.Type = x.Type
 12331  		v.AddArg(x)
 12332  		return true
 12333  	}
 12334  	// match: (MOVWZload  [off1] {sym} (ADDconst [off2] ptr) mem)
 12335  	// cond: is20Bit(off1+off2)
 12336  	// result: (MOVWZload [off1+off2] {sym} ptr mem)
 12337  	for {
 12338  		off1 := v.AuxInt
 12339  		sym := v.Aux
 12340  		v_0 := v.Args[0]
 12341  		if v_0.Op != OpS390XADDconst {
 12342  			break
 12343  		}
 12344  		off2 := v_0.AuxInt
 12345  		ptr := v_0.Args[0]
 12346  		mem := v.Args[1]
 12347  		if !(is20Bit(off1 + off2)) {
 12348  			break
 12349  		}
 12350  		v.reset(OpS390XMOVWZload)
 12351  		v.AuxInt = off1 + off2
 12352  		v.Aux = sym
 12353  		v.AddArg(ptr)
 12354  		v.AddArg(mem)
 12355  		return true
 12356  	}
 12357  	// match: (MOVWZload  [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 12358  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 12359  	// result: (MOVWZload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
 12360  	for {
 12361  		off1 := v.AuxInt
 12362  		sym1 := v.Aux
 12363  		v_0 := v.Args[0]
 12364  		if v_0.Op != OpS390XMOVDaddr {
 12365  			break
 12366  		}
 12367  		off2 := v_0.AuxInt
 12368  		sym2 := v_0.Aux
 12369  		base := v_0.Args[0]
 12370  		mem := v.Args[1]
 12371  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 12372  			break
 12373  		}
 12374  		v.reset(OpS390XMOVWZload)
 12375  		v.AuxInt = off1 + off2
 12376  		v.Aux = mergeSym(sym1, sym2)
 12377  		v.AddArg(base)
 12378  		v.AddArg(mem)
 12379  		return true
 12380  	}
 12381  	// match: (MOVWZload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
 12382  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 12383  	// result: (MOVWZloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
 12384  	for {
 12385  		off1 := v.AuxInt
 12386  		sym1 := v.Aux
 12387  		v_0 := v.Args[0]
 12388  		if v_0.Op != OpS390XMOVDaddridx {
 12389  			break
 12390  		}
 12391  		off2 := v_0.AuxInt
 12392  		sym2 := v_0.Aux
 12393  		ptr := v_0.Args[0]
 12394  		idx := v_0.Args[1]
 12395  		mem := v.Args[1]
 12396  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 12397  			break
 12398  		}
 12399  		v.reset(OpS390XMOVWZloadidx)
 12400  		v.AuxInt = off1 + off2
 12401  		v.Aux = mergeSym(sym1, sym2)
 12402  		v.AddArg(ptr)
 12403  		v.AddArg(idx)
 12404  		v.AddArg(mem)
 12405  		return true
 12406  	}
 12407  	// match: (MOVWZload [off] {sym} (ADD ptr idx) mem)
 12408  	// cond: ptr.Op != OpSB
 12409  	// result: (MOVWZloadidx [off] {sym} ptr idx mem)
 12410  	for {
 12411  		off := v.AuxInt
 12412  		sym := v.Aux
 12413  		v_0 := v.Args[0]
 12414  		if v_0.Op != OpS390XADD {
 12415  			break
 12416  		}
 12417  		ptr := v_0.Args[0]
 12418  		idx := v_0.Args[1]
 12419  		mem := v.Args[1]
 12420  		if !(ptr.Op != OpSB) {
 12421  			break
 12422  		}
 12423  		v.reset(OpS390XMOVWZloadidx)
 12424  		v.AuxInt = off
 12425  		v.Aux = sym
 12426  		v.AddArg(ptr)
 12427  		v.AddArg(idx)
 12428  		v.AddArg(mem)
 12429  		return true
 12430  	}
 12431  	return false
 12432  }
 12433  func rewriteValueS390X_OpS390XMOVWZloadidx(v *Value, config *Config) bool {
 12434  	b := v.Block
 12435  	_ = b
 12436  	// match: (MOVWZloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
 12437  	// cond:
 12438  	// result: (MOVWZloadidx [c+d] {sym} ptr idx mem)
 12439  	for {
 12440  		c := v.AuxInt
 12441  		sym := v.Aux
 12442  		v_0 := v.Args[0]
 12443  		if v_0.Op != OpS390XADDconst {
 12444  			break
 12445  		}
 12446  		d := v_0.AuxInt
 12447  		ptr := v_0.Args[0]
 12448  		idx := v.Args[1]
 12449  		mem := v.Args[2]
 12450  		v.reset(OpS390XMOVWZloadidx)
 12451  		v.AuxInt = c + d
 12452  		v.Aux = sym
 12453  		v.AddArg(ptr)
 12454  		v.AddArg(idx)
 12455  		v.AddArg(mem)
 12456  		return true
 12457  	}
 12458  	// match: (MOVWZloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
 12459  	// cond:
 12460  	// result: (MOVWZloadidx [c+d] {sym} ptr idx mem)
 12461  	for {
 12462  		c := v.AuxInt
 12463  		sym := v.Aux
 12464  		ptr := v.Args[0]
 12465  		v_1 := v.Args[1]
 12466  		if v_1.Op != OpS390XADDconst {
 12467  			break
 12468  		}
 12469  		d := v_1.AuxInt
 12470  		idx := v_1.Args[0]
 12471  		mem := v.Args[2]
 12472  		v.reset(OpS390XMOVWZloadidx)
 12473  		v.AuxInt = c + d
 12474  		v.Aux = sym
 12475  		v.AddArg(ptr)
 12476  		v.AddArg(idx)
 12477  		v.AddArg(mem)
 12478  		return true
 12479  	}
 12480  	return false
 12481  }
 12482  func rewriteValueS390X_OpS390XMOVWZreg(v *Value, config *Config) bool {
 12483  	b := v.Block
 12484  	_ = b
 12485  	// match: (MOVWZreg x:(MOVBZload _ _))
 12486  	// cond:
 12487  	// result: x
 12488  	for {
 12489  		x := v.Args[0]
 12490  		if x.Op != OpS390XMOVBZload {
 12491  			break
 12492  		}
 12493  		v.reset(OpCopy)
 12494  		v.Type = x.Type
 12495  		v.AddArg(x)
 12496  		return true
 12497  	}
 12498  	// match: (MOVWZreg x:(MOVHZload _ _))
 12499  	// cond:
 12500  	// result: x
 12501  	for {
 12502  		x := v.Args[0]
 12503  		if x.Op != OpS390XMOVHZload {
 12504  			break
 12505  		}
 12506  		v.reset(OpCopy)
 12507  		v.Type = x.Type
 12508  		v.AddArg(x)
 12509  		return true
 12510  	}
 12511  	// match: (MOVWZreg x:(MOVWZload _ _))
 12512  	// cond:
 12513  	// result: x
 12514  	for {
 12515  		x := v.Args[0]
 12516  		if x.Op != OpS390XMOVWZload {
 12517  			break
 12518  		}
 12519  		v.reset(OpCopy)
 12520  		v.Type = x.Type
 12521  		v.AddArg(x)
 12522  		return true
 12523  	}
 12524  	// match: (MOVWZreg x:(Arg <t>))
 12525  	// cond: (is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && !isSigned(t)
 12526  	// result: x
 12527  	for {
 12528  		x := v.Args[0]
 12529  		if x.Op != OpArg {
 12530  			break
 12531  		}
 12532  		t := x.Type
 12533  		if !((is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && !isSigned(t)) {
 12534  			break
 12535  		}
 12536  		v.reset(OpCopy)
 12537  		v.Type = x.Type
 12538  		v.AddArg(x)
 12539  		return true
 12540  	}
 12541  	// match: (MOVWZreg x:(MOVBZreg _))
 12542  	// cond:
 12543  	// result: x
 12544  	for {
 12545  		x := v.Args[0]
 12546  		if x.Op != OpS390XMOVBZreg {
 12547  			break
 12548  		}
 12549  		v.reset(OpCopy)
 12550  		v.Type = x.Type
 12551  		v.AddArg(x)
 12552  		return true
 12553  	}
 12554  	// match: (MOVWZreg x:(MOVHZreg _))
 12555  	// cond:
 12556  	// result: x
 12557  	for {
 12558  		x := v.Args[0]
 12559  		if x.Op != OpS390XMOVHZreg {
 12560  			break
 12561  		}
 12562  		v.reset(OpCopy)
 12563  		v.Type = x.Type
 12564  		v.AddArg(x)
 12565  		return true
 12566  	}
 12567  	// match: (MOVWZreg x:(MOVWZreg _))
 12568  	// cond:
 12569  	// result: x
 12570  	for {
 12571  		x := v.Args[0]
 12572  		if x.Op != OpS390XMOVWZreg {
 12573  			break
 12574  		}
 12575  		v.reset(OpCopy)
 12576  		v.Type = x.Type
 12577  		v.AddArg(x)
 12578  		return true
 12579  	}
 12580  	// match: (MOVWZreg (MOVDconst [c]))
 12581  	// cond:
 12582  	// result: (MOVDconst [int64(uint32(c))])
 12583  	for {
 12584  		v_0 := v.Args[0]
 12585  		if v_0.Op != OpS390XMOVDconst {
 12586  			break
 12587  		}
 12588  		c := v_0.AuxInt
 12589  		v.reset(OpS390XMOVDconst)
 12590  		v.AuxInt = int64(uint32(c))
 12591  		return true
 12592  	}
 12593  	// match: (MOVWZreg x:(MOVWZload [off] {sym} ptr mem))
 12594  	// cond: x.Uses == 1 && clobber(x)
 12595  	// result: @x.Block (MOVWZload <v.Type> [off] {sym} ptr mem)
 12596  	for {
 12597  		x := v.Args[0]
 12598  		if x.Op != OpS390XMOVWZload {
 12599  			break
 12600  		}
 12601  		off := x.AuxInt
 12602  		sym := x.Aux
 12603  		ptr := x.Args[0]
 12604  		mem := x.Args[1]
 12605  		if !(x.Uses == 1 && clobber(x)) {
 12606  			break
 12607  		}
 12608  		b = x.Block
 12609  		v0 := b.NewValue0(v.Line, OpS390XMOVWZload, v.Type)
 12610  		v.reset(OpCopy)
 12611  		v.AddArg(v0)
 12612  		v0.AuxInt = off
 12613  		v0.Aux = sym
 12614  		v0.AddArg(ptr)
 12615  		v0.AddArg(mem)
 12616  		return true
 12617  	}
 12618  	// match: (MOVWZreg x:(MOVWZloadidx [off] {sym} ptr idx mem))
 12619  	// cond: x.Uses == 1 && clobber(x)
 12620  	// result: @x.Block (MOVWZloadidx <v.Type> [off] {sym} ptr idx mem)
 12621  	for {
 12622  		x := v.Args[0]
 12623  		if x.Op != OpS390XMOVWZloadidx {
 12624  			break
 12625  		}
 12626  		off := x.AuxInt
 12627  		sym := x.Aux
 12628  		ptr := x.Args[0]
 12629  		idx := x.Args[1]
 12630  		mem := x.Args[2]
 12631  		if !(x.Uses == 1 && clobber(x)) {
 12632  			break
 12633  		}
 12634  		b = x.Block
 12635  		v0 := b.NewValue0(v.Line, OpS390XMOVWZloadidx, v.Type)
 12636  		v.reset(OpCopy)
 12637  		v.AddArg(v0)
 12638  		v0.AuxInt = off
 12639  		v0.Aux = sym
 12640  		v0.AddArg(ptr)
 12641  		v0.AddArg(idx)
 12642  		v0.AddArg(mem)
 12643  		return true
 12644  	}
 12645  	return false
 12646  }
 12647  func rewriteValueS390X_OpS390XMOVWload(v *Value, config *Config) bool {
 12648  	b := v.Block
 12649  	_ = b
 12650  	// match: (MOVWload   [off1] {sym} (ADDconst [off2] ptr) mem)
 12651  	// cond: is20Bit(off1+off2)
 12652  	// result: (MOVWload  [off1+off2] {sym} ptr mem)
 12653  	for {
 12654  		off1 := v.AuxInt
 12655  		sym := v.Aux
 12656  		v_0 := v.Args[0]
 12657  		if v_0.Op != OpS390XADDconst {
 12658  			break
 12659  		}
 12660  		off2 := v_0.AuxInt
 12661  		ptr := v_0.Args[0]
 12662  		mem := v.Args[1]
 12663  		if !(is20Bit(off1 + off2)) {
 12664  			break
 12665  		}
 12666  		v.reset(OpS390XMOVWload)
 12667  		v.AuxInt = off1 + off2
 12668  		v.Aux = sym
 12669  		v.AddArg(ptr)
 12670  		v.AddArg(mem)
 12671  		return true
 12672  	}
 12673  	// match: (MOVWload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 12674  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 12675  	// result: (MOVWload [off1+off2] {mergeSym(sym1,sym2)} base mem)
 12676  	for {
 12677  		off1 := v.AuxInt
 12678  		sym1 := v.Aux
 12679  		v_0 := v.Args[0]
 12680  		if v_0.Op != OpS390XMOVDaddr {
 12681  			break
 12682  		}
 12683  		off2 := v_0.AuxInt
 12684  		sym2 := v_0.Aux
 12685  		base := v_0.Args[0]
 12686  		mem := v.Args[1]
 12687  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 12688  			break
 12689  		}
 12690  		v.reset(OpS390XMOVWload)
 12691  		v.AuxInt = off1 + off2
 12692  		v.Aux = mergeSym(sym1, sym2)
 12693  		v.AddArg(base)
 12694  		v.AddArg(mem)
 12695  		return true
 12696  	}
 12697  	return false
 12698  }
 12699  func rewriteValueS390X_OpS390XMOVWreg(v *Value, config *Config) bool {
 12700  	b := v.Block
 12701  	_ = b
 12702  	// match: (MOVWreg x:(MOVBload _ _))
 12703  	// cond:
 12704  	// result: x
 12705  	for {
 12706  		x := v.Args[0]
 12707  		if x.Op != OpS390XMOVBload {
 12708  			break
 12709  		}
 12710  		v.reset(OpCopy)
 12711  		v.Type = x.Type
 12712  		v.AddArg(x)
 12713  		return true
 12714  	}
 12715  	// match: (MOVWreg x:(MOVBZload _ _))
 12716  	// cond:
 12717  	// result: x
 12718  	for {
 12719  		x := v.Args[0]
 12720  		if x.Op != OpS390XMOVBZload {
 12721  			break
 12722  		}
 12723  		v.reset(OpCopy)
 12724  		v.Type = x.Type
 12725  		v.AddArg(x)
 12726  		return true
 12727  	}
 12728  	// match: (MOVWreg x:(MOVHload _ _))
 12729  	// cond:
 12730  	// result: x
 12731  	for {
 12732  		x := v.Args[0]
 12733  		if x.Op != OpS390XMOVHload {
 12734  			break
 12735  		}
 12736  		v.reset(OpCopy)
 12737  		v.Type = x.Type
 12738  		v.AddArg(x)
 12739  		return true
 12740  	}
 12741  	// match: (MOVWreg x:(MOVHZload _ _))
 12742  	// cond:
 12743  	// result: x
 12744  	for {
 12745  		x := v.Args[0]
 12746  		if x.Op != OpS390XMOVHZload {
 12747  			break
 12748  		}
 12749  		v.reset(OpCopy)
 12750  		v.Type = x.Type
 12751  		v.AddArg(x)
 12752  		return true
 12753  	}
 12754  	// match: (MOVWreg x:(MOVWload _ _))
 12755  	// cond:
 12756  	// result: x
 12757  	for {
 12758  		x := v.Args[0]
 12759  		if x.Op != OpS390XMOVWload {
 12760  			break
 12761  		}
 12762  		v.reset(OpCopy)
 12763  		v.Type = x.Type
 12764  		v.AddArg(x)
 12765  		return true
 12766  	}
 12767  	// match: (MOVWreg x:(Arg <t>))
 12768  	// cond: (is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && isSigned(t)
 12769  	// result: x
 12770  	for {
 12771  		x := v.Args[0]
 12772  		if x.Op != OpArg {
 12773  			break
 12774  		}
 12775  		t := x.Type
 12776  		if !((is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && isSigned(t)) {
 12777  			break
 12778  		}
 12779  		v.reset(OpCopy)
 12780  		v.Type = x.Type
 12781  		v.AddArg(x)
 12782  		return true
 12783  	}
 12784  	// match: (MOVWreg x:(MOVBreg _))
 12785  	// cond:
 12786  	// result: x
 12787  	for {
 12788  		x := v.Args[0]
 12789  		if x.Op != OpS390XMOVBreg {
 12790  			break
 12791  		}
 12792  		v.reset(OpCopy)
 12793  		v.Type = x.Type
 12794  		v.AddArg(x)
 12795  		return true
 12796  	}
 12797  	// match: (MOVWreg x:(MOVBZreg _))
 12798  	// cond:
 12799  	// result: x
 12800  	for {
 12801  		x := v.Args[0]
 12802  		if x.Op != OpS390XMOVBZreg {
 12803  			break
 12804  		}
 12805  		v.reset(OpCopy)
 12806  		v.Type = x.Type
 12807  		v.AddArg(x)
 12808  		return true
 12809  	}
 12810  	// match: (MOVWreg x:(MOVHreg _))
 12811  	// cond:
 12812  	// result: x
 12813  	for {
 12814  		x := v.Args[0]
 12815  		if x.Op != OpS390XMOVHreg {
 12816  			break
 12817  		}
 12818  		v.reset(OpCopy)
 12819  		v.Type = x.Type
 12820  		v.AddArg(x)
 12821  		return true
 12822  	}
 12823  	// match: (MOVWreg x:(MOVHreg _))
 12824  	// cond:
 12825  	// result: x
 12826  	for {
 12827  		x := v.Args[0]
 12828  		if x.Op != OpS390XMOVHreg {
 12829  			break
 12830  		}
 12831  		v.reset(OpCopy)
 12832  		v.Type = x.Type
 12833  		v.AddArg(x)
 12834  		return true
 12835  	}
 12836  	// match: (MOVWreg x:(MOVWreg _))
 12837  	// cond:
 12838  	// result: x
 12839  	for {
 12840  		x := v.Args[0]
 12841  		if x.Op != OpS390XMOVWreg {
 12842  			break
 12843  		}
 12844  		v.reset(OpCopy)
 12845  		v.Type = x.Type
 12846  		v.AddArg(x)
 12847  		return true
 12848  	}
 12849  	// match: (MOVWreg (MOVDconst [c]))
 12850  	// cond:
 12851  	// result: (MOVDconst [int64(int32(c))])
 12852  	for {
 12853  		v_0 := v.Args[0]
 12854  		if v_0.Op != OpS390XMOVDconst {
 12855  			break
 12856  		}
 12857  		c := v_0.AuxInt
 12858  		v.reset(OpS390XMOVDconst)
 12859  		v.AuxInt = int64(int32(c))
 12860  		return true
 12861  	}
 12862  	// match: (MOVWreg x:(MOVWZload [off] {sym} ptr mem))
 12863  	// cond: x.Uses == 1 && clobber(x)
 12864  	// result: @x.Block (MOVWload <v.Type> [off] {sym} ptr mem)
 12865  	for {
 12866  		x := v.Args[0]
 12867  		if x.Op != OpS390XMOVWZload {
 12868  			break
 12869  		}
 12870  		off := x.AuxInt
 12871  		sym := x.Aux
 12872  		ptr := x.Args[0]
 12873  		mem := x.Args[1]
 12874  		if !(x.Uses == 1 && clobber(x)) {
 12875  			break
 12876  		}
 12877  		b = x.Block
 12878  		v0 := b.NewValue0(v.Line, OpS390XMOVWload, v.Type)
 12879  		v.reset(OpCopy)
 12880  		v.AddArg(v0)
 12881  		v0.AuxInt = off
 12882  		v0.Aux = sym
 12883  		v0.AddArg(ptr)
 12884  		v0.AddArg(mem)
 12885  		return true
 12886  	}
 12887  	return false
 12888  }
 12889  func rewriteValueS390X_OpS390XMOVWstore(v *Value, config *Config) bool {
 12890  	b := v.Block
 12891  	_ = b
 12892  	// match: (MOVWstore [off] {sym} ptr (MOVWreg x) mem)
 12893  	// cond:
 12894  	// result: (MOVWstore [off] {sym} ptr x mem)
 12895  	for {
 12896  		off := v.AuxInt
 12897  		sym := v.Aux
 12898  		ptr := v.Args[0]
 12899  		v_1 := v.Args[1]
 12900  		if v_1.Op != OpS390XMOVWreg {
 12901  			break
 12902  		}
 12903  		x := v_1.Args[0]
 12904  		mem := v.Args[2]
 12905  		v.reset(OpS390XMOVWstore)
 12906  		v.AuxInt = off
 12907  		v.Aux = sym
 12908  		v.AddArg(ptr)
 12909  		v.AddArg(x)
 12910  		v.AddArg(mem)
 12911  		return true
 12912  	}
 12913  	// match: (MOVWstore [off] {sym} ptr (MOVWZreg x) mem)
 12914  	// cond:
 12915  	// result: (MOVWstore [off] {sym} ptr x mem)
 12916  	for {
 12917  		off := v.AuxInt
 12918  		sym := v.Aux
 12919  		ptr := v.Args[0]
 12920  		v_1 := v.Args[1]
 12921  		if v_1.Op != OpS390XMOVWZreg {
 12922  			break
 12923  		}
 12924  		x := v_1.Args[0]
 12925  		mem := v.Args[2]
 12926  		v.reset(OpS390XMOVWstore)
 12927  		v.AuxInt = off
 12928  		v.Aux = sym
 12929  		v.AddArg(ptr)
 12930  		v.AddArg(x)
 12931  		v.AddArg(mem)
 12932  		return true
 12933  	}
 12934  	// match: (MOVWstore  [off1] {sym} (ADDconst [off2] ptr) val mem)
 12935  	// cond: is20Bit(off1+off2)
 12936  	// result: (MOVWstore  [off1+off2] {sym} ptr val mem)
 12937  	for {
 12938  		off1 := v.AuxInt
 12939  		sym := v.Aux
 12940  		v_0 := v.Args[0]
 12941  		if v_0.Op != OpS390XADDconst {
 12942  			break
 12943  		}
 12944  		off2 := v_0.AuxInt
 12945  		ptr := v_0.Args[0]
 12946  		val := v.Args[1]
 12947  		mem := v.Args[2]
 12948  		if !(is20Bit(off1 + off2)) {
 12949  			break
 12950  		}
 12951  		v.reset(OpS390XMOVWstore)
 12952  		v.AuxInt = off1 + off2
 12953  		v.Aux = sym
 12954  		v.AddArg(ptr)
 12955  		v.AddArg(val)
 12956  		v.AddArg(mem)
 12957  		return true
 12958  	}
 12959  	// match: (MOVWstore [off] {sym} ptr (MOVDconst [c]) mem)
 12960  	// cond: validOff(off) && int64(int16(c)) == c && ptr.Op != OpSB
 12961  	// result: (MOVWstoreconst [makeValAndOff(int64(int32(c)),off)] {sym} ptr mem)
 12962  	for {
 12963  		off := v.AuxInt
 12964  		sym := v.Aux
 12965  		ptr := v.Args[0]
 12966  		v_1 := v.Args[1]
 12967  		if v_1.Op != OpS390XMOVDconst {
 12968  			break
 12969  		}
 12970  		c := v_1.AuxInt
 12971  		mem := v.Args[2]
 12972  		if !(validOff(off) && int64(int16(c)) == c && ptr.Op != OpSB) {
 12973  			break
 12974  		}
 12975  		v.reset(OpS390XMOVWstoreconst)
 12976  		v.AuxInt = makeValAndOff(int64(int32(c)), off)
 12977  		v.Aux = sym
 12978  		v.AddArg(ptr)
 12979  		v.AddArg(mem)
 12980  		return true
 12981  	}
 12982  	// match: (MOVWstore  [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
 12983  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 12984  	// result: (MOVWstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
 12985  	for {
 12986  		off1 := v.AuxInt
 12987  		sym1 := v.Aux
 12988  		v_0 := v.Args[0]
 12989  		if v_0.Op != OpS390XMOVDaddr {
 12990  			break
 12991  		}
 12992  		off2 := v_0.AuxInt
 12993  		sym2 := v_0.Aux
 12994  		base := v_0.Args[0]
 12995  		val := v.Args[1]
 12996  		mem := v.Args[2]
 12997  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 12998  			break
 12999  		}
 13000  		v.reset(OpS390XMOVWstore)
 13001  		v.AuxInt = off1 + off2
 13002  		v.Aux = mergeSym(sym1, sym2)
 13003  		v.AddArg(base)
 13004  		v.AddArg(val)
 13005  		v.AddArg(mem)
 13006  		return true
 13007  	}
 13008  	// match: (MOVWstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
 13009  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 13010  	// result: (MOVWstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
 13011  	for {
 13012  		off1 := v.AuxInt
 13013  		sym1 := v.Aux
 13014  		v_0 := v.Args[0]
 13015  		if v_0.Op != OpS390XMOVDaddridx {
 13016  			break
 13017  		}
 13018  		off2 := v_0.AuxInt
 13019  		sym2 := v_0.Aux
 13020  		ptr := v_0.Args[0]
 13021  		idx := v_0.Args[1]
 13022  		val := v.Args[1]
 13023  		mem := v.Args[2]
 13024  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 13025  			break
 13026  		}
 13027  		v.reset(OpS390XMOVWstoreidx)
 13028  		v.AuxInt = off1 + off2
 13029  		v.Aux = mergeSym(sym1, sym2)
 13030  		v.AddArg(ptr)
 13031  		v.AddArg(idx)
 13032  		v.AddArg(val)
 13033  		v.AddArg(mem)
 13034  		return true
 13035  	}
 13036  	// match: (MOVWstore [off] {sym} (ADD ptr idx) val mem)
 13037  	// cond: ptr.Op != OpSB
 13038  	// result: (MOVWstoreidx [off] {sym} ptr idx val mem)
 13039  	for {
 13040  		off := v.AuxInt
 13041  		sym := v.Aux
 13042  		v_0 := v.Args[0]
 13043  		if v_0.Op != OpS390XADD {
 13044  			break
 13045  		}
 13046  		ptr := v_0.Args[0]
 13047  		idx := v_0.Args[1]
 13048  		val := v.Args[1]
 13049  		mem := v.Args[2]
 13050  		if !(ptr.Op != OpSB) {
 13051  			break
 13052  		}
 13053  		v.reset(OpS390XMOVWstoreidx)
 13054  		v.AuxInt = off
 13055  		v.Aux = sym
 13056  		v.AddArg(ptr)
 13057  		v.AddArg(idx)
 13058  		v.AddArg(val)
 13059  		v.AddArg(mem)
 13060  		return true
 13061  	}
 13062  	// match: (MOVWstore [i] {s} p (SRDconst [32] w) x:(MOVWstore [i-4] {s} p w mem))
 13063  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 13064  	// result: (MOVDstore [i-4] {s} p w mem)
 13065  	for {
 13066  		i := v.AuxInt
 13067  		s := v.Aux
 13068  		p := v.Args[0]
 13069  		v_1 := v.Args[1]
 13070  		if v_1.Op != OpS390XSRDconst {
 13071  			break
 13072  		}
 13073  		if v_1.AuxInt != 32 {
 13074  			break
 13075  		}
 13076  		w := v_1.Args[0]
 13077  		x := v.Args[2]
 13078  		if x.Op != OpS390XMOVWstore {
 13079  			break
 13080  		}
 13081  		if x.AuxInt != i-4 {
 13082  			break
 13083  		}
 13084  		if x.Aux != s {
 13085  			break
 13086  		}
 13087  		if p != x.Args[0] {
 13088  			break
 13089  		}
 13090  		if w != x.Args[1] {
 13091  			break
 13092  		}
 13093  		mem := x.Args[2]
 13094  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 13095  			break
 13096  		}
 13097  		v.reset(OpS390XMOVDstore)
 13098  		v.AuxInt = i - 4
 13099  		v.Aux = s
 13100  		v.AddArg(p)
 13101  		v.AddArg(w)
 13102  		v.AddArg(mem)
 13103  		return true
 13104  	}
 13105  	// match: (MOVWstore [i] {s} p w0:(SRDconst [j] w) x:(MOVWstore [i-4] {s} p (SRDconst [j+32] w) mem))
 13106  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 13107  	// result: (MOVDstore [i-4] {s} p w0 mem)
 13108  	for {
 13109  		i := v.AuxInt
 13110  		s := v.Aux
 13111  		p := v.Args[0]
 13112  		w0 := v.Args[1]
 13113  		if w0.Op != OpS390XSRDconst {
 13114  			break
 13115  		}
 13116  		j := w0.AuxInt
 13117  		w := w0.Args[0]
 13118  		x := v.Args[2]
 13119  		if x.Op != OpS390XMOVWstore {
 13120  			break
 13121  		}
 13122  		if x.AuxInt != i-4 {
 13123  			break
 13124  		}
 13125  		if x.Aux != s {
 13126  			break
 13127  		}
 13128  		if p != x.Args[0] {
 13129  			break
 13130  		}
 13131  		x_1 := x.Args[1]
 13132  		if x_1.Op != OpS390XSRDconst {
 13133  			break
 13134  		}
 13135  		if x_1.AuxInt != j+32 {
 13136  			break
 13137  		}
 13138  		if w != x_1.Args[0] {
 13139  			break
 13140  		}
 13141  		mem := x.Args[2]
 13142  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 13143  			break
 13144  		}
 13145  		v.reset(OpS390XMOVDstore)
 13146  		v.AuxInt = i - 4
 13147  		v.Aux = s
 13148  		v.AddArg(p)
 13149  		v.AddArg(w0)
 13150  		v.AddArg(mem)
 13151  		return true
 13152  	}
 13153  	// match: (MOVWstore [i] {s} p w1 x:(MOVWstore [i-4] {s} p w0 mem))
 13154  	// cond: p.Op != OpSB   && x.Uses == 1   && is20Bit(i-4)   && clobber(x)
 13155  	// result: (STM2 [i-4] {s} p w0 w1 mem)
 13156  	for {
 13157  		i := v.AuxInt
 13158  		s := v.Aux
 13159  		p := v.Args[0]
 13160  		w1 := v.Args[1]
 13161  		x := v.Args[2]
 13162  		if x.Op != OpS390XMOVWstore {
 13163  			break
 13164  		}
 13165  		if x.AuxInt != i-4 {
 13166  			break
 13167  		}
 13168  		if x.Aux != s {
 13169  			break
 13170  		}
 13171  		if p != x.Args[0] {
 13172  			break
 13173  		}
 13174  		w0 := x.Args[1]
 13175  		mem := x.Args[2]
 13176  		if !(p.Op != OpSB && x.Uses == 1 && is20Bit(i-4) && clobber(x)) {
 13177  			break
 13178  		}
 13179  		v.reset(OpS390XSTM2)
 13180  		v.AuxInt = i - 4
 13181  		v.Aux = s
 13182  		v.AddArg(p)
 13183  		v.AddArg(w0)
 13184  		v.AddArg(w1)
 13185  		v.AddArg(mem)
 13186  		return true
 13187  	}
 13188  	// match: (MOVWstore [i] {s} p w2 x:(STM2 [i-8] {s} p w0 w1 mem))
 13189  	// cond: x.Uses == 1   && is20Bit(i-8)   && clobber(x)
 13190  	// result: (STM3 [i-8] {s} p w0 w1 w2 mem)
 13191  	for {
 13192  		i := v.AuxInt
 13193  		s := v.Aux
 13194  		p := v.Args[0]
 13195  		w2 := v.Args[1]
 13196  		x := v.Args[2]
 13197  		if x.Op != OpS390XSTM2 {
 13198  			break
 13199  		}
 13200  		if x.AuxInt != i-8 {
 13201  			break
 13202  		}
 13203  		if x.Aux != s {
 13204  			break
 13205  		}
 13206  		if p != x.Args[0] {
 13207  			break
 13208  		}
 13209  		w0 := x.Args[1]
 13210  		w1 := x.Args[2]
 13211  		mem := x.Args[3]
 13212  		if !(x.Uses == 1 && is20Bit(i-8) && clobber(x)) {
 13213  			break
 13214  		}
 13215  		v.reset(OpS390XSTM3)
 13216  		v.AuxInt = i - 8
 13217  		v.Aux = s
 13218  		v.AddArg(p)
 13219  		v.AddArg(w0)
 13220  		v.AddArg(w1)
 13221  		v.AddArg(w2)
 13222  		v.AddArg(mem)
 13223  		return true
 13224  	}
 13225  	// match: (MOVWstore [i] {s} p w3 x:(STM3 [i-12] {s} p w0 w1 w2 mem))
 13226  	// cond: x.Uses == 1   && is20Bit(i-12)   && clobber(x)
 13227  	// result: (STM4 [i-12] {s} p w0 w1 w2 w3 mem)
 13228  	for {
 13229  		i := v.AuxInt
 13230  		s := v.Aux
 13231  		p := v.Args[0]
 13232  		w3 := v.Args[1]
 13233  		x := v.Args[2]
 13234  		if x.Op != OpS390XSTM3 {
 13235  			break
 13236  		}
 13237  		if x.AuxInt != i-12 {
 13238  			break
 13239  		}
 13240  		if x.Aux != s {
 13241  			break
 13242  		}
 13243  		if p != x.Args[0] {
 13244  			break
 13245  		}
 13246  		w0 := x.Args[1]
 13247  		w1 := x.Args[2]
 13248  		w2 := x.Args[3]
 13249  		mem := x.Args[4]
 13250  		if !(x.Uses == 1 && is20Bit(i-12) && clobber(x)) {
 13251  			break
 13252  		}
 13253  		v.reset(OpS390XSTM4)
 13254  		v.AuxInt = i - 12
 13255  		v.Aux = s
 13256  		v.AddArg(p)
 13257  		v.AddArg(w0)
 13258  		v.AddArg(w1)
 13259  		v.AddArg(w2)
 13260  		v.AddArg(w3)
 13261  		v.AddArg(mem)
 13262  		return true
 13263  	}
 13264  	return false
 13265  }
 13266  func rewriteValueS390X_OpS390XMOVWstoreconst(v *Value, config *Config) bool {
 13267  	b := v.Block
 13268  	_ = b
 13269  	// match: (MOVWstoreconst [sc] {s} (ADDconst [off] ptr) mem)
 13270  	// cond: ValAndOff(sc).canAdd(off)
 13271  	// result: (MOVWstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
 13272  	for {
 13273  		sc := v.AuxInt
 13274  		s := v.Aux
 13275  		v_0 := v.Args[0]
 13276  		if v_0.Op != OpS390XADDconst {
 13277  			break
 13278  		}
 13279  		off := v_0.AuxInt
 13280  		ptr := v_0.Args[0]
 13281  		mem := v.Args[1]
 13282  		if !(ValAndOff(sc).canAdd(off)) {
 13283  			break
 13284  		}
 13285  		v.reset(OpS390XMOVWstoreconst)
 13286  		v.AuxInt = ValAndOff(sc).add(off)
 13287  		v.Aux = s
 13288  		v.AddArg(ptr)
 13289  		v.AddArg(mem)
 13290  		return true
 13291  	}
 13292  	// match: (MOVWstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
 13293  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
 13294  	// result: (MOVWstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
 13295  	for {
 13296  		sc := v.AuxInt
 13297  		sym1 := v.Aux
 13298  		v_0 := v.Args[0]
 13299  		if v_0.Op != OpS390XMOVDaddr {
 13300  			break
 13301  		}
 13302  		off := v_0.AuxInt
 13303  		sym2 := v_0.Aux
 13304  		ptr := v_0.Args[0]
 13305  		mem := v.Args[1]
 13306  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
 13307  			break
 13308  		}
 13309  		v.reset(OpS390XMOVWstoreconst)
 13310  		v.AuxInt = ValAndOff(sc).add(off)
 13311  		v.Aux = mergeSym(sym1, sym2)
 13312  		v.AddArg(ptr)
 13313  		v.AddArg(mem)
 13314  		return true
 13315  	}
 13316  	// match: (MOVWstoreconst [c] {s} p x:(MOVWstoreconst [a] {s} p mem))
 13317  	// cond: p.Op != OpSB   && x.Uses == 1   && ValAndOff(a).Off() + 4 == ValAndOff(c).Off()   && clobber(x)
 13318  	// result: (MOVDstore [ValAndOff(a).Off()] {s} p (MOVDconst [ValAndOff(c).Val()&0xffffffff | ValAndOff(a).Val()<<32]) mem)
 13319  	for {
 13320  		c := v.AuxInt
 13321  		s := v.Aux
 13322  		p := v.Args[0]
 13323  		x := v.Args[1]
 13324  		if x.Op != OpS390XMOVWstoreconst {
 13325  			break
 13326  		}
 13327  		a := x.AuxInt
 13328  		if x.Aux != s {
 13329  			break
 13330  		}
 13331  		if p != x.Args[0] {
 13332  			break
 13333  		}
 13334  		mem := x.Args[1]
 13335  		if !(p.Op != OpSB && x.Uses == 1 && ValAndOff(a).Off()+4 == ValAndOff(c).Off() && clobber(x)) {
 13336  			break
 13337  		}
 13338  		v.reset(OpS390XMOVDstore)
 13339  		v.AuxInt = ValAndOff(a).Off()
 13340  		v.Aux = s
 13341  		v.AddArg(p)
 13342  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
 13343  		v0.AuxInt = ValAndOff(c).Val()&0xffffffff | ValAndOff(a).Val()<<32
 13344  		v.AddArg(v0)
 13345  		v.AddArg(mem)
 13346  		return true
 13347  	}
 13348  	return false
 13349  }
 13350  func rewriteValueS390X_OpS390XMOVWstoreidx(v *Value, config *Config) bool {
 13351  	b := v.Block
 13352  	_ = b
 13353  	// match: (MOVWstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
 13354  	// cond:
 13355  	// result: (MOVWstoreidx [c+d] {sym} ptr idx val mem)
 13356  	for {
 13357  		c := v.AuxInt
 13358  		sym := v.Aux
 13359  		v_0 := v.Args[0]
 13360  		if v_0.Op != OpS390XADDconst {
 13361  			break
 13362  		}
 13363  		d := v_0.AuxInt
 13364  		ptr := v_0.Args[0]
 13365  		idx := v.Args[1]
 13366  		val := v.Args[2]
 13367  		mem := v.Args[3]
 13368  		v.reset(OpS390XMOVWstoreidx)
 13369  		v.AuxInt = c + d
 13370  		v.Aux = sym
 13371  		v.AddArg(ptr)
 13372  		v.AddArg(idx)
 13373  		v.AddArg(val)
 13374  		v.AddArg(mem)
 13375  		return true
 13376  	}
 13377  	// match: (MOVWstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
 13378  	// cond:
 13379  	// result: (MOVWstoreidx [c+d] {sym} ptr idx val mem)
 13380  	for {
 13381  		c := v.AuxInt
 13382  		sym := v.Aux
 13383  		ptr := v.Args[0]
 13384  		v_1 := v.Args[1]
 13385  		if v_1.Op != OpS390XADDconst {
 13386  			break
 13387  		}
 13388  		d := v_1.AuxInt
 13389  		idx := v_1.Args[0]
 13390  		val := v.Args[2]
 13391  		mem := v.Args[3]
 13392  		v.reset(OpS390XMOVWstoreidx)
 13393  		v.AuxInt = c + d
 13394  		v.Aux = sym
 13395  		v.AddArg(ptr)
 13396  		v.AddArg(idx)
 13397  		v.AddArg(val)
 13398  		v.AddArg(mem)
 13399  		return true
 13400  	}
 13401  	// match: (MOVWstoreidx [i] {s} p idx w x:(MOVWstoreidx [i-4] {s} p idx (SRDconst [32] w) mem))
 13402  	// cond: x.Uses == 1   && clobber(x)
 13403  	// result: (MOVDstoreidx [i-4] {s} p idx w mem)
 13404  	for {
 13405  		i := v.AuxInt
 13406  		s := v.Aux
 13407  		p := v.Args[0]
 13408  		idx := v.Args[1]
 13409  		w := v.Args[2]
 13410  		x := v.Args[3]
 13411  		if x.Op != OpS390XMOVWstoreidx {
 13412  			break
 13413  		}
 13414  		if x.AuxInt != i-4 {
 13415  			break
 13416  		}
 13417  		if x.Aux != s {
 13418  			break
 13419  		}
 13420  		if p != x.Args[0] {
 13421  			break
 13422  		}
 13423  		if idx != x.Args[1] {
 13424  			break
 13425  		}
 13426  		x_2 := x.Args[2]
 13427  		if x_2.Op != OpS390XSRDconst {
 13428  			break
 13429  		}
 13430  		if x_2.AuxInt != 32 {
 13431  			break
 13432  		}
 13433  		if w != x_2.Args[0] {
 13434  			break
 13435  		}
 13436  		mem := x.Args[3]
 13437  		if !(x.Uses == 1 && clobber(x)) {
 13438  			break
 13439  		}
 13440  		v.reset(OpS390XMOVDstoreidx)
 13441  		v.AuxInt = i - 4
 13442  		v.Aux = s
 13443  		v.AddArg(p)
 13444  		v.AddArg(idx)
 13445  		v.AddArg(w)
 13446  		v.AddArg(mem)
 13447  		return true
 13448  	}
 13449  	// match: (MOVWstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVWstoreidx [i-4] {s} p idx (SRDconst [j+32] w) mem))
 13450  	// cond: x.Uses == 1   && clobber(x)
 13451  	// result: (MOVDstoreidx [i-4] {s} p idx w0 mem)
 13452  	for {
 13453  		i := v.AuxInt
 13454  		s := v.Aux
 13455  		p := v.Args[0]
 13456  		idx := v.Args[1]
 13457  		w0 := v.Args[2]
 13458  		if w0.Op != OpS390XSRDconst {
 13459  			break
 13460  		}
 13461  		j := w0.AuxInt
 13462  		w := w0.Args[0]
 13463  		x := v.Args[3]
 13464  		if x.Op != OpS390XMOVWstoreidx {
 13465  			break
 13466  		}
 13467  		if x.AuxInt != i-4 {
 13468  			break
 13469  		}
 13470  		if x.Aux != s {
 13471  			break
 13472  		}
 13473  		if p != x.Args[0] {
 13474  			break
 13475  		}
 13476  		if idx != x.Args[1] {
 13477  			break
 13478  		}
 13479  		x_2 := x.Args[2]
 13480  		if x_2.Op != OpS390XSRDconst {
 13481  			break
 13482  		}
 13483  		if x_2.AuxInt != j+32 {
 13484  			break
 13485  		}
 13486  		if w != x_2.Args[0] {
 13487  			break
 13488  		}
 13489  		mem := x.Args[3]
 13490  		if !(x.Uses == 1 && clobber(x)) {
 13491  			break
 13492  		}
 13493  		v.reset(OpS390XMOVDstoreidx)
 13494  		v.AuxInt = i - 4
 13495  		v.Aux = s
 13496  		v.AddArg(p)
 13497  		v.AddArg(idx)
 13498  		v.AddArg(w0)
 13499  		v.AddArg(mem)
 13500  		return true
 13501  	}
 13502  	return false
 13503  }
 13504  func rewriteValueS390X_OpS390XMULLD(v *Value, config *Config) bool {
 13505  	b := v.Block
 13506  	_ = b
 13507  	// match: (MULLD x (MOVDconst [c]))
 13508  	// cond: is32Bit(c)
 13509  	// result: (MULLDconst [c] x)
 13510  	for {
 13511  		x := v.Args[0]
 13512  		v_1 := v.Args[1]
 13513  		if v_1.Op != OpS390XMOVDconst {
 13514  			break
 13515  		}
 13516  		c := v_1.AuxInt
 13517  		if !(is32Bit(c)) {
 13518  			break
 13519  		}
 13520  		v.reset(OpS390XMULLDconst)
 13521  		v.AuxInt = c
 13522  		v.AddArg(x)
 13523  		return true
 13524  	}
 13525  	// match: (MULLD (MOVDconst [c]) x)
 13526  	// cond: is32Bit(c)
 13527  	// result: (MULLDconst [c] x)
 13528  	for {
 13529  		v_0 := v.Args[0]
 13530  		if v_0.Op != OpS390XMOVDconst {
 13531  			break
 13532  		}
 13533  		c := v_0.AuxInt
 13534  		x := v.Args[1]
 13535  		if !(is32Bit(c)) {
 13536  			break
 13537  		}
 13538  		v.reset(OpS390XMULLDconst)
 13539  		v.AuxInt = c
 13540  		v.AddArg(x)
 13541  		return true
 13542  	}
 13543  	// match: (MULLD <t> x g:(MOVDload [off] {sym} ptr mem))
 13544  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13545  	// result: (MULLDload <t> [off] {sym} x ptr mem)
 13546  	for {
 13547  		t := v.Type
 13548  		x := v.Args[0]
 13549  		g := v.Args[1]
 13550  		if g.Op != OpS390XMOVDload {
 13551  			break
 13552  		}
 13553  		off := g.AuxInt
 13554  		sym := g.Aux
 13555  		ptr := g.Args[0]
 13556  		mem := g.Args[1]
 13557  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13558  			break
 13559  		}
 13560  		v.reset(OpS390XMULLDload)
 13561  		v.Type = t
 13562  		v.AuxInt = off
 13563  		v.Aux = sym
 13564  		v.AddArg(x)
 13565  		v.AddArg(ptr)
 13566  		v.AddArg(mem)
 13567  		return true
 13568  	}
 13569  	// match: (MULLD <t> g:(MOVDload [off] {sym} ptr mem) x)
 13570  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13571  	// result: (MULLDload <t> [off] {sym} x ptr mem)
 13572  	for {
 13573  		t := v.Type
 13574  		g := v.Args[0]
 13575  		if g.Op != OpS390XMOVDload {
 13576  			break
 13577  		}
 13578  		off := g.AuxInt
 13579  		sym := g.Aux
 13580  		ptr := g.Args[0]
 13581  		mem := g.Args[1]
 13582  		x := v.Args[1]
 13583  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13584  			break
 13585  		}
 13586  		v.reset(OpS390XMULLDload)
 13587  		v.Type = t
 13588  		v.AuxInt = off
 13589  		v.Aux = sym
 13590  		v.AddArg(x)
 13591  		v.AddArg(ptr)
 13592  		v.AddArg(mem)
 13593  		return true
 13594  	}
 13595  	return false
 13596  }
 13597  func rewriteValueS390X_OpS390XMULLDconst(v *Value, config *Config) bool {
 13598  	b := v.Block
 13599  	_ = b
 13600  	// match: (MULLDconst [-1] x)
 13601  	// cond:
 13602  	// result: (NEG x)
 13603  	for {
 13604  		if v.AuxInt != -1 {
 13605  			break
 13606  		}
 13607  		x := v.Args[0]
 13608  		v.reset(OpS390XNEG)
 13609  		v.AddArg(x)
 13610  		return true
 13611  	}
 13612  	// match: (MULLDconst [0] _)
 13613  	// cond:
 13614  	// result: (MOVDconst [0])
 13615  	for {
 13616  		if v.AuxInt != 0 {
 13617  			break
 13618  		}
 13619  		v.reset(OpS390XMOVDconst)
 13620  		v.AuxInt = 0
 13621  		return true
 13622  	}
 13623  	// match: (MULLDconst [1] x)
 13624  	// cond:
 13625  	// result: x
 13626  	for {
 13627  		if v.AuxInt != 1 {
 13628  			break
 13629  		}
 13630  		x := v.Args[0]
 13631  		v.reset(OpCopy)
 13632  		v.Type = x.Type
 13633  		v.AddArg(x)
 13634  		return true
 13635  	}
 13636  	// match: (MULLDconst [c] x)
 13637  	// cond: isPowerOfTwo(c)
 13638  	// result: (SLDconst [log2(c)] x)
 13639  	for {
 13640  		c := v.AuxInt
 13641  		x := v.Args[0]
 13642  		if !(isPowerOfTwo(c)) {
 13643  			break
 13644  		}
 13645  		v.reset(OpS390XSLDconst)
 13646  		v.AuxInt = log2(c)
 13647  		v.AddArg(x)
 13648  		return true
 13649  	}
 13650  	// match: (MULLDconst [c] x)
 13651  	// cond: isPowerOfTwo(c+1) && c >= 15
 13652  	// result: (SUB (SLDconst <v.Type> [log2(c+1)] x) x)
 13653  	for {
 13654  		c := v.AuxInt
 13655  		x := v.Args[0]
 13656  		if !(isPowerOfTwo(c+1) && c >= 15) {
 13657  			break
 13658  		}
 13659  		v.reset(OpS390XSUB)
 13660  		v0 := b.NewValue0(v.Line, OpS390XSLDconst, v.Type)
 13661  		v0.AuxInt = log2(c + 1)
 13662  		v0.AddArg(x)
 13663  		v.AddArg(v0)
 13664  		v.AddArg(x)
 13665  		return true
 13666  	}
 13667  	// match: (MULLDconst [c] x)
 13668  	// cond: isPowerOfTwo(c-1) && c >= 17
 13669  	// result: (ADD (SLDconst <v.Type> [log2(c-1)] x) x)
 13670  	for {
 13671  		c := v.AuxInt
 13672  		x := v.Args[0]
 13673  		if !(isPowerOfTwo(c-1) && c >= 17) {
 13674  			break
 13675  		}
 13676  		v.reset(OpS390XADD)
 13677  		v0 := b.NewValue0(v.Line, OpS390XSLDconst, v.Type)
 13678  		v0.AuxInt = log2(c - 1)
 13679  		v0.AddArg(x)
 13680  		v.AddArg(v0)
 13681  		v.AddArg(x)
 13682  		return true
 13683  	}
 13684  	// match: (MULLDconst [c] (MOVDconst [d]))
 13685  	// cond:
 13686  	// result: (MOVDconst [c*d])
 13687  	for {
 13688  		c := v.AuxInt
 13689  		v_0 := v.Args[0]
 13690  		if v_0.Op != OpS390XMOVDconst {
 13691  			break
 13692  		}
 13693  		d := v_0.AuxInt
 13694  		v.reset(OpS390XMOVDconst)
 13695  		v.AuxInt = c * d
 13696  		return true
 13697  	}
 13698  	return false
 13699  }
 13700  func rewriteValueS390X_OpS390XMULLW(v *Value, config *Config) bool {
 13701  	b := v.Block
 13702  	_ = b
 13703  	// match: (MULLW x (MOVDconst [c]))
 13704  	// cond:
 13705  	// result: (MULLWconst [c] x)
 13706  	for {
 13707  		x := v.Args[0]
 13708  		v_1 := v.Args[1]
 13709  		if v_1.Op != OpS390XMOVDconst {
 13710  			break
 13711  		}
 13712  		c := v_1.AuxInt
 13713  		v.reset(OpS390XMULLWconst)
 13714  		v.AuxInt = c
 13715  		v.AddArg(x)
 13716  		return true
 13717  	}
 13718  	// match: (MULLW (MOVDconst [c]) x)
 13719  	// cond:
 13720  	// result: (MULLWconst [c] x)
 13721  	for {
 13722  		v_0 := v.Args[0]
 13723  		if v_0.Op != OpS390XMOVDconst {
 13724  			break
 13725  		}
 13726  		c := v_0.AuxInt
 13727  		x := v.Args[1]
 13728  		v.reset(OpS390XMULLWconst)
 13729  		v.AuxInt = c
 13730  		v.AddArg(x)
 13731  		return true
 13732  	}
 13733  	// match: (MULLW <t> x g:(MOVWload [off] {sym} ptr mem))
 13734  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13735  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 13736  	for {
 13737  		t := v.Type
 13738  		x := v.Args[0]
 13739  		g := v.Args[1]
 13740  		if g.Op != OpS390XMOVWload {
 13741  			break
 13742  		}
 13743  		off := g.AuxInt
 13744  		sym := g.Aux
 13745  		ptr := g.Args[0]
 13746  		mem := g.Args[1]
 13747  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13748  			break
 13749  		}
 13750  		v.reset(OpS390XMULLWload)
 13751  		v.Type = t
 13752  		v.AuxInt = off
 13753  		v.Aux = sym
 13754  		v.AddArg(x)
 13755  		v.AddArg(ptr)
 13756  		v.AddArg(mem)
 13757  		return true
 13758  	}
 13759  	// match: (MULLW <t> g:(MOVWload [off] {sym} ptr mem) x)
 13760  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13761  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 13762  	for {
 13763  		t := v.Type
 13764  		g := v.Args[0]
 13765  		if g.Op != OpS390XMOVWload {
 13766  			break
 13767  		}
 13768  		off := g.AuxInt
 13769  		sym := g.Aux
 13770  		ptr := g.Args[0]
 13771  		mem := g.Args[1]
 13772  		x := v.Args[1]
 13773  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13774  			break
 13775  		}
 13776  		v.reset(OpS390XMULLWload)
 13777  		v.Type = t
 13778  		v.AuxInt = off
 13779  		v.Aux = sym
 13780  		v.AddArg(x)
 13781  		v.AddArg(ptr)
 13782  		v.AddArg(mem)
 13783  		return true
 13784  	}
 13785  	// match: (MULLW <t> x g:(MOVWZload [off] {sym} ptr mem))
 13786  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13787  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 13788  	for {
 13789  		t := v.Type
 13790  		x := v.Args[0]
 13791  		g := v.Args[1]
 13792  		if g.Op != OpS390XMOVWZload {
 13793  			break
 13794  		}
 13795  		off := g.AuxInt
 13796  		sym := g.Aux
 13797  		ptr := g.Args[0]
 13798  		mem := g.Args[1]
 13799  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13800  			break
 13801  		}
 13802  		v.reset(OpS390XMULLWload)
 13803  		v.Type = t
 13804  		v.AuxInt = off
 13805  		v.Aux = sym
 13806  		v.AddArg(x)
 13807  		v.AddArg(ptr)
 13808  		v.AddArg(mem)
 13809  		return true
 13810  	}
 13811  	// match: (MULLW <t> g:(MOVWZload [off] {sym} ptr mem) x)
 13812  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13813  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 13814  	for {
 13815  		t := v.Type
 13816  		g := v.Args[0]
 13817  		if g.Op != OpS390XMOVWZload {
 13818  			break
 13819  		}
 13820  		off := g.AuxInt
 13821  		sym := g.Aux
 13822  		ptr := g.Args[0]
 13823  		mem := g.Args[1]
 13824  		x := v.Args[1]
 13825  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13826  			break
 13827  		}
 13828  		v.reset(OpS390XMULLWload)
 13829  		v.Type = t
 13830  		v.AuxInt = off
 13831  		v.Aux = sym
 13832  		v.AddArg(x)
 13833  		v.AddArg(ptr)
 13834  		v.AddArg(mem)
 13835  		return true
 13836  	}
 13837  	return false
 13838  }
 13839  func rewriteValueS390X_OpS390XMULLWconst(v *Value, config *Config) bool {
 13840  	b := v.Block
 13841  	_ = b
 13842  	// match: (MULLWconst [-1] x)
 13843  	// cond:
 13844  	// result: (NEGW x)
 13845  	for {
 13846  		if v.AuxInt != -1 {
 13847  			break
 13848  		}
 13849  		x := v.Args[0]
 13850  		v.reset(OpS390XNEGW)
 13851  		v.AddArg(x)
 13852  		return true
 13853  	}
 13854  	// match: (MULLWconst [0] _)
 13855  	// cond:
 13856  	// result: (MOVDconst [0])
 13857  	for {
 13858  		if v.AuxInt != 0 {
 13859  			break
 13860  		}
 13861  		v.reset(OpS390XMOVDconst)
 13862  		v.AuxInt = 0
 13863  		return true
 13864  	}
 13865  	// match: (MULLWconst [1] x)
 13866  	// cond:
 13867  	// result: x
 13868  	for {
 13869  		if v.AuxInt != 1 {
 13870  			break
 13871  		}
 13872  		x := v.Args[0]
 13873  		v.reset(OpCopy)
 13874  		v.Type = x.Type
 13875  		v.AddArg(x)
 13876  		return true
 13877  	}
 13878  	// match: (MULLWconst [c] x)
 13879  	// cond: isPowerOfTwo(c)
 13880  	// result: (SLWconst [log2(c)] x)
 13881  	for {
 13882  		c := v.AuxInt
 13883  		x := v.Args[0]
 13884  		if !(isPowerOfTwo(c)) {
 13885  			break
 13886  		}
 13887  		v.reset(OpS390XSLWconst)
 13888  		v.AuxInt = log2(c)
 13889  		v.AddArg(x)
 13890  		return true
 13891  	}
 13892  	// match: (MULLWconst [c] x)
 13893  	// cond: isPowerOfTwo(c+1) && c >= 15
 13894  	// result: (SUBW (SLWconst <v.Type> [log2(c+1)] x) x)
 13895  	for {
 13896  		c := v.AuxInt
 13897  		x := v.Args[0]
 13898  		if !(isPowerOfTwo(c+1) && c >= 15) {
 13899  			break
 13900  		}
 13901  		v.reset(OpS390XSUBW)
 13902  		v0 := b.NewValue0(v.Line, OpS390XSLWconst, v.Type)
 13903  		v0.AuxInt = log2(c + 1)
 13904  		v0.AddArg(x)
 13905  		v.AddArg(v0)
 13906  		v.AddArg(x)
 13907  		return true
 13908  	}
 13909  	// match: (MULLWconst [c] x)
 13910  	// cond: isPowerOfTwo(c-1) && c >= 17
 13911  	// result: (ADDW (SLWconst <v.Type> [log2(c-1)] x) x)
 13912  	for {
 13913  		c := v.AuxInt
 13914  		x := v.Args[0]
 13915  		if !(isPowerOfTwo(c-1) && c >= 17) {
 13916  			break
 13917  		}
 13918  		v.reset(OpS390XADDW)
 13919  		v0 := b.NewValue0(v.Line, OpS390XSLWconst, v.Type)
 13920  		v0.AuxInt = log2(c - 1)
 13921  		v0.AddArg(x)
 13922  		v.AddArg(v0)
 13923  		v.AddArg(x)
 13924  		return true
 13925  	}
 13926  	// match: (MULLWconst [c] (MOVDconst [d]))
 13927  	// cond:
 13928  	// result: (MOVDconst [int64(int32(c*d))])
 13929  	for {
 13930  		c := v.AuxInt
 13931  		v_0 := v.Args[0]
 13932  		if v_0.Op != OpS390XMOVDconst {
 13933  			break
 13934  		}
 13935  		d := v_0.AuxInt
 13936  		v.reset(OpS390XMOVDconst)
 13937  		v.AuxInt = int64(int32(c * d))
 13938  		return true
 13939  	}
 13940  	return false
 13941  }
 13942  func rewriteValueS390X_OpS390XNEG(v *Value, config *Config) bool {
 13943  	b := v.Block
 13944  	_ = b
 13945  	// match: (NEG (MOVDconst [c]))
 13946  	// cond:
 13947  	// result: (MOVDconst [-c])
 13948  	for {
 13949  		v_0 := v.Args[0]
 13950  		if v_0.Op != OpS390XMOVDconst {
 13951  			break
 13952  		}
 13953  		c := v_0.AuxInt
 13954  		v.reset(OpS390XMOVDconst)
 13955  		v.AuxInt = -c
 13956  		return true
 13957  	}
 13958  	return false
 13959  }
 13960  func rewriteValueS390X_OpS390XNEGW(v *Value, config *Config) bool {
 13961  	b := v.Block
 13962  	_ = b
 13963  	// match: (NEGW (MOVDconst [c]))
 13964  	// cond:
 13965  	// result: (MOVDconst [int64(int32(-c))])
 13966  	for {
 13967  		v_0 := v.Args[0]
 13968  		if v_0.Op != OpS390XMOVDconst {
 13969  			break
 13970  		}
 13971  		c := v_0.AuxInt
 13972  		v.reset(OpS390XMOVDconst)
 13973  		v.AuxInt = int64(int32(-c))
 13974  		return true
 13975  	}
 13976  	return false
 13977  }
 13978  func rewriteValueS390X_OpS390XNOT(v *Value, config *Config) bool {
 13979  	b := v.Block
 13980  	_ = b
 13981  	// match: (NOT x)
 13982  	// cond: true
 13983  	// result: (XOR (MOVDconst [-1]) x)
 13984  	for {
 13985  		x := v.Args[0]
 13986  		if !(true) {
 13987  			break
 13988  		}
 13989  		v.reset(OpS390XXOR)
 13990  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
 13991  		v0.AuxInt = -1
 13992  		v.AddArg(v0)
 13993  		v.AddArg(x)
 13994  		return true
 13995  	}
 13996  	return false
 13997  }
 13998  func rewriteValueS390X_OpS390XNOTW(v *Value, config *Config) bool {
 13999  	b := v.Block
 14000  	_ = b
 14001  	// match: (NOTW x)
 14002  	// cond: true
 14003  	// result: (XORWconst [-1] x)
 14004  	for {
 14005  		x := v.Args[0]
 14006  		if !(true) {
 14007  			break
 14008  		}
 14009  		v.reset(OpS390XXORWconst)
 14010  		v.AuxInt = -1
 14011  		v.AddArg(x)
 14012  		return true
 14013  	}
 14014  	return false
 14015  }
 14016  func rewriteValueS390X_OpS390XOR(v *Value, config *Config) bool {
 14017  	b := v.Block
 14018  	_ = b
 14019  	// match: (OR x (MOVDconst [c]))
 14020  	// cond: isU32Bit(c)
 14021  	// result: (ORconst [c] x)
 14022  	for {
 14023  		x := v.Args[0]
 14024  		v_1 := v.Args[1]
 14025  		if v_1.Op != OpS390XMOVDconst {
 14026  			break
 14027  		}
 14028  		c := v_1.AuxInt
 14029  		if !(isU32Bit(c)) {
 14030  			break
 14031  		}
 14032  		v.reset(OpS390XORconst)
 14033  		v.AuxInt = c
 14034  		v.AddArg(x)
 14035  		return true
 14036  	}
 14037  	// match: (OR (MOVDconst [c]) x)
 14038  	// cond: isU32Bit(c)
 14039  	// result: (ORconst [c] x)
 14040  	for {
 14041  		v_0 := v.Args[0]
 14042  		if v_0.Op != OpS390XMOVDconst {
 14043  			break
 14044  		}
 14045  		c := v_0.AuxInt
 14046  		x := v.Args[1]
 14047  		if !(isU32Bit(c)) {
 14048  			break
 14049  		}
 14050  		v.reset(OpS390XORconst)
 14051  		v.AuxInt = c
 14052  		v.AddArg(x)
 14053  		return true
 14054  	}
 14055  	// match: (OR (MOVDconst [c]) (MOVDconst [d]))
 14056  	// cond:
 14057  	// result: (MOVDconst [c|d])
 14058  	for {
 14059  		v_0 := v.Args[0]
 14060  		if v_0.Op != OpS390XMOVDconst {
 14061  			break
 14062  		}
 14063  		c := v_0.AuxInt
 14064  		v_1 := v.Args[1]
 14065  		if v_1.Op != OpS390XMOVDconst {
 14066  			break
 14067  		}
 14068  		d := v_1.AuxInt
 14069  		v.reset(OpS390XMOVDconst)
 14070  		v.AuxInt = c | d
 14071  		return true
 14072  	}
 14073  	// match: (OR x x)
 14074  	// cond:
 14075  	// result: x
 14076  	for {
 14077  		x := v.Args[0]
 14078  		if x != v.Args[1] {
 14079  			break
 14080  		}
 14081  		v.reset(OpCopy)
 14082  		v.Type = x.Type
 14083  		v.AddArg(x)
 14084  		return true
 14085  	}
 14086  	// match: (OR <t> x g:(MOVDload [off] {sym} ptr mem))
 14087  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 14088  	// result: (ORload <t> [off] {sym} x ptr mem)
 14089  	for {
 14090  		t := v.Type
 14091  		x := v.Args[0]
 14092  		g := v.Args[1]
 14093  		if g.Op != OpS390XMOVDload {
 14094  			break
 14095  		}
 14096  		off := g.AuxInt
 14097  		sym := g.Aux
 14098  		ptr := g.Args[0]
 14099  		mem := g.Args[1]
 14100  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 14101  			break
 14102  		}
 14103  		v.reset(OpS390XORload)
 14104  		v.Type = t
 14105  		v.AuxInt = off
 14106  		v.Aux = sym
 14107  		v.AddArg(x)
 14108  		v.AddArg(ptr)
 14109  		v.AddArg(mem)
 14110  		return true
 14111  	}
 14112  	// match: (OR <t> g:(MOVDload [off] {sym} ptr mem) x)
 14113  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 14114  	// result: (ORload <t> [off] {sym} x ptr mem)
 14115  	for {
 14116  		t := v.Type
 14117  		g := v.Args[0]
 14118  		if g.Op != OpS390XMOVDload {
 14119  			break
 14120  		}
 14121  		off := g.AuxInt
 14122  		sym := g.Aux
 14123  		ptr := g.Args[0]
 14124  		mem := g.Args[1]
 14125  		x := v.Args[1]
 14126  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 14127  			break
 14128  		}
 14129  		v.reset(OpS390XORload)
 14130  		v.Type = t
 14131  		v.AuxInt = off
 14132  		v.Aux = sym
 14133  		v.AddArg(x)
 14134  		v.AddArg(ptr)
 14135  		v.AddArg(mem)
 14136  		return true
 14137  	}
 14138  	// 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)))
 14139  	// 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)
 14140  	// result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDBRload [i] {s} p mem)
 14141  	for {
 14142  		o0 := v.Args[0]
 14143  		if o0.Op != OpS390XOR {
 14144  			break
 14145  		}
 14146  		o1 := o0.Args[0]
 14147  		if o1.Op != OpS390XOR {
 14148  			break
 14149  		}
 14150  		o2 := o1.Args[0]
 14151  		if o2.Op != OpS390XOR {
 14152  			break
 14153  		}
 14154  		o3 := o2.Args[0]
 14155  		if o3.Op != OpS390XOR {
 14156  			break
 14157  		}
 14158  		o4 := o3.Args[0]
 14159  		if o4.Op != OpS390XOR {
 14160  			break
 14161  		}
 14162  		o5 := o4.Args[0]
 14163  		if o5.Op != OpS390XOR {
 14164  			break
 14165  		}
 14166  		x0 := o5.Args[0]
 14167  		if x0.Op != OpS390XMOVBZload {
 14168  			break
 14169  		}
 14170  		i := x0.AuxInt
 14171  		s := x0.Aux
 14172  		p := x0.Args[0]
 14173  		mem := x0.Args[1]
 14174  		s0 := o5.Args[1]
 14175  		if s0.Op != OpS390XSLDconst {
 14176  			break
 14177  		}
 14178  		if s0.AuxInt != 8 {
 14179  			break
 14180  		}
 14181  		x1 := s0.Args[0]
 14182  		if x1.Op != OpS390XMOVBZload {
 14183  			break
 14184  		}
 14185  		if x1.AuxInt != i+1 {
 14186  			break
 14187  		}
 14188  		if x1.Aux != s {
 14189  			break
 14190  		}
 14191  		if p != x1.Args[0] {
 14192  			break
 14193  		}
 14194  		if mem != x1.Args[1] {
 14195  			break
 14196  		}
 14197  		s1 := o4.Args[1]
 14198  		if s1.Op != OpS390XSLDconst {
 14199  			break
 14200  		}
 14201  		if s1.AuxInt != 16 {
 14202  			break
 14203  		}
 14204  		x2 := s1.Args[0]
 14205  		if x2.Op != OpS390XMOVBZload {
 14206  			break
 14207  		}
 14208  		if x2.AuxInt != i+2 {
 14209  			break
 14210  		}
 14211  		if x2.Aux != s {
 14212  			break
 14213  		}
 14214  		if p != x2.Args[0] {
 14215  			break
 14216  		}
 14217  		if mem != x2.Args[1] {
 14218  			break
 14219  		}
 14220  		s2 := o3.Args[1]
 14221  		if s2.Op != OpS390XSLDconst {
 14222  			break
 14223  		}
 14224  		if s2.AuxInt != 24 {
 14225  			break
 14226  		}
 14227  		x3 := s2.Args[0]
 14228  		if x3.Op != OpS390XMOVBZload {
 14229  			break
 14230  		}
 14231  		if x3.AuxInt != i+3 {
 14232  			break
 14233  		}
 14234  		if x3.Aux != s {
 14235  			break
 14236  		}
 14237  		if p != x3.Args[0] {
 14238  			break
 14239  		}
 14240  		if mem != x3.Args[1] {
 14241  			break
 14242  		}
 14243  		s3 := o2.Args[1]
 14244  		if s3.Op != OpS390XSLDconst {
 14245  			break
 14246  		}
 14247  		if s3.AuxInt != 32 {
 14248  			break
 14249  		}
 14250  		x4 := s3.Args[0]
 14251  		if x4.Op != OpS390XMOVBZload {
 14252  			break
 14253  		}
 14254  		if x4.AuxInt != i+4 {
 14255  			break
 14256  		}
 14257  		if x4.Aux != s {
 14258  			break
 14259  		}
 14260  		if p != x4.Args[0] {
 14261  			break
 14262  		}
 14263  		if mem != x4.Args[1] {
 14264  			break
 14265  		}
 14266  		s4 := o1.Args[1]
 14267  		if s4.Op != OpS390XSLDconst {
 14268  			break
 14269  		}
 14270  		if s4.AuxInt != 40 {
 14271  			break
 14272  		}
 14273  		x5 := s4.Args[0]
 14274  		if x5.Op != OpS390XMOVBZload {
 14275  			break
 14276  		}
 14277  		if x5.AuxInt != i+5 {
 14278  			break
 14279  		}
 14280  		if x5.Aux != s {
 14281  			break
 14282  		}
 14283  		if p != x5.Args[0] {
 14284  			break
 14285  		}
 14286  		if mem != x5.Args[1] {
 14287  			break
 14288  		}
 14289  		s5 := o0.Args[1]
 14290  		if s5.Op != OpS390XSLDconst {
 14291  			break
 14292  		}
 14293  		if s5.AuxInt != 48 {
 14294  			break
 14295  		}
 14296  		x6 := s5.Args[0]
 14297  		if x6.Op != OpS390XMOVBZload {
 14298  			break
 14299  		}
 14300  		if x6.AuxInt != i+6 {
 14301  			break
 14302  		}
 14303  		if x6.Aux != s {
 14304  			break
 14305  		}
 14306  		if p != x6.Args[0] {
 14307  			break
 14308  		}
 14309  		if mem != x6.Args[1] {
 14310  			break
 14311  		}
 14312  		s6 := v.Args[1]
 14313  		if s6.Op != OpS390XSLDconst {
 14314  			break
 14315  		}
 14316  		if s6.AuxInt != 56 {
 14317  			break
 14318  		}
 14319  		x7 := s6.Args[0]
 14320  		if x7.Op != OpS390XMOVBZload {
 14321  			break
 14322  		}
 14323  		if x7.AuxInt != i+7 {
 14324  			break
 14325  		}
 14326  		if x7.Aux != s {
 14327  			break
 14328  		}
 14329  		if p != x7.Args[0] {
 14330  			break
 14331  		}
 14332  		if mem != x7.Args[1] {
 14333  			break
 14334  		}
 14335  		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)) {
 14336  			break
 14337  		}
 14338  		b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7)
 14339  		v0 := b.NewValue0(v.Line, OpS390XMOVDBRload, config.fe.TypeUInt64())
 14340  		v.reset(OpCopy)
 14341  		v.AddArg(v0)
 14342  		v0.AuxInt = i
 14343  		v0.Aux = s
 14344  		v0.AddArg(p)
 14345  		v0.AddArg(mem)
 14346  		return true
 14347  	}
 14348  	// 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)))
 14349  	// 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)
 14350  	// result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDBRloadidx <v.Type> [i] {s} p idx mem)
 14351  	for {
 14352  		o0 := v.Args[0]
 14353  		if o0.Op != OpS390XOR {
 14354  			break
 14355  		}
 14356  		o1 := o0.Args[0]
 14357  		if o1.Op != OpS390XOR {
 14358  			break
 14359  		}
 14360  		o2 := o1.Args[0]
 14361  		if o2.Op != OpS390XOR {
 14362  			break
 14363  		}
 14364  		o3 := o2.Args[0]
 14365  		if o3.Op != OpS390XOR {
 14366  			break
 14367  		}
 14368  		o4 := o3.Args[0]
 14369  		if o4.Op != OpS390XOR {
 14370  			break
 14371  		}
 14372  		o5 := o4.Args[0]
 14373  		if o5.Op != OpS390XOR {
 14374  			break
 14375  		}
 14376  		x0 := o5.Args[0]
 14377  		if x0.Op != OpS390XMOVBZloadidx {
 14378  			break
 14379  		}
 14380  		i := x0.AuxInt
 14381  		s := x0.Aux
 14382  		p := x0.Args[0]
 14383  		idx := x0.Args[1]
 14384  		mem := x0.Args[2]
 14385  		s0 := o5.Args[1]
 14386  		if s0.Op != OpS390XSLDconst {
 14387  			break
 14388  		}
 14389  		if s0.AuxInt != 8 {
 14390  			break
 14391  		}
 14392  		x1 := s0.Args[0]
 14393  		if x1.Op != OpS390XMOVBZloadidx {
 14394  			break
 14395  		}
 14396  		if x1.AuxInt != i+1 {
 14397  			break
 14398  		}
 14399  		if x1.Aux != s {
 14400  			break
 14401  		}
 14402  		if p != x1.Args[0] {
 14403  			break
 14404  		}
 14405  		if idx != x1.Args[1] {
 14406  			break
 14407  		}
 14408  		if mem != x1.Args[2] {
 14409  			break
 14410  		}
 14411  		s1 := o4.Args[1]
 14412  		if s1.Op != OpS390XSLDconst {
 14413  			break
 14414  		}
 14415  		if s1.AuxInt != 16 {
 14416  			break
 14417  		}
 14418  		x2 := s1.Args[0]
 14419  		if x2.Op != OpS390XMOVBZloadidx {
 14420  			break
 14421  		}
 14422  		if x2.AuxInt != i+2 {
 14423  			break
 14424  		}
 14425  		if x2.Aux != s {
 14426  			break
 14427  		}
 14428  		if p != x2.Args[0] {
 14429  			break
 14430  		}
 14431  		if idx != x2.Args[1] {
 14432  			break
 14433  		}
 14434  		if mem != x2.Args[2] {
 14435  			break
 14436  		}
 14437  		s2 := o3.Args[1]
 14438  		if s2.Op != OpS390XSLDconst {
 14439  			break
 14440  		}
 14441  		if s2.AuxInt != 24 {
 14442  			break
 14443  		}
 14444  		x3 := s2.Args[0]
 14445  		if x3.Op != OpS390XMOVBZloadidx {
 14446  			break
 14447  		}
 14448  		if x3.AuxInt != i+3 {
 14449  			break
 14450  		}
 14451  		if x3.Aux != s {
 14452  			break
 14453  		}
 14454  		if p != x3.Args[0] {
 14455  			break
 14456  		}
 14457  		if idx != x3.Args[1] {
 14458  			break
 14459  		}
 14460  		if mem != x3.Args[2] {
 14461  			break
 14462  		}
 14463  		s3 := o2.Args[1]
 14464  		if s3.Op != OpS390XSLDconst {
 14465  			break
 14466  		}
 14467  		if s3.AuxInt != 32 {
 14468  			break
 14469  		}
 14470  		x4 := s3.Args[0]
 14471  		if x4.Op != OpS390XMOVBZloadidx {
 14472  			break
 14473  		}
 14474  		if x4.AuxInt != i+4 {
 14475  			break
 14476  		}
 14477  		if x4.Aux != s {
 14478  			break
 14479  		}
 14480  		if p != x4.Args[0] {
 14481  			break
 14482  		}
 14483  		if idx != x4.Args[1] {
 14484  			break
 14485  		}
 14486  		if mem != x4.Args[2] {
 14487  			break
 14488  		}
 14489  		s4 := o1.Args[1]
 14490  		if s4.Op != OpS390XSLDconst {
 14491  			break
 14492  		}
 14493  		if s4.AuxInt != 40 {
 14494  			break
 14495  		}
 14496  		x5 := s4.Args[0]
 14497  		if x5.Op != OpS390XMOVBZloadidx {
 14498  			break
 14499  		}
 14500  		if x5.AuxInt != i+5 {
 14501  			break
 14502  		}
 14503  		if x5.Aux != s {
 14504  			break
 14505  		}
 14506  		if p != x5.Args[0] {
 14507  			break
 14508  		}
 14509  		if idx != x5.Args[1] {
 14510  			break
 14511  		}
 14512  		if mem != x5.Args[2] {
 14513  			break
 14514  		}
 14515  		s5 := o0.Args[1]
 14516  		if s5.Op != OpS390XSLDconst {
 14517  			break
 14518  		}
 14519  		if s5.AuxInt != 48 {
 14520  			break
 14521  		}
 14522  		x6 := s5.Args[0]
 14523  		if x6.Op != OpS390XMOVBZloadidx {
 14524  			break
 14525  		}
 14526  		if x6.AuxInt != i+6 {
 14527  			break
 14528  		}
 14529  		if x6.Aux != s {
 14530  			break
 14531  		}
 14532  		if p != x6.Args[0] {
 14533  			break
 14534  		}
 14535  		if idx != x6.Args[1] {
 14536  			break
 14537  		}
 14538  		if mem != x6.Args[2] {
 14539  			break
 14540  		}
 14541  		s6 := v.Args[1]
 14542  		if s6.Op != OpS390XSLDconst {
 14543  			break
 14544  		}
 14545  		if s6.AuxInt != 56 {
 14546  			break
 14547  		}
 14548  		x7 := s6.Args[0]
 14549  		if x7.Op != OpS390XMOVBZloadidx {
 14550  			break
 14551  		}
 14552  		if x7.AuxInt != i+7 {
 14553  			break
 14554  		}
 14555  		if x7.Aux != s {
 14556  			break
 14557  		}
 14558  		if p != x7.Args[0] {
 14559  			break
 14560  		}
 14561  		if idx != x7.Args[1] {
 14562  			break
 14563  		}
 14564  		if mem != x7.Args[2] {
 14565  			break
 14566  		}
 14567  		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)) {
 14568  			break
 14569  		}
 14570  		b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7)
 14571  		v0 := b.NewValue0(v.Line, OpS390XMOVDBRloadidx, v.Type)
 14572  		v.reset(OpCopy)
 14573  		v.AddArg(v0)
 14574  		v0.AuxInt = i
 14575  		v0.Aux = s
 14576  		v0.AddArg(p)
 14577  		v0.AddArg(idx)
 14578  		v0.AddArg(mem)
 14579  		return true
 14580  	}
 14581  	// 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)))
 14582  	// 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)
 14583  	// result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDload [i-7] {s} p mem)
 14584  	for {
 14585  		o0 := v.Args[0]
 14586  		if o0.Op != OpS390XOR {
 14587  			break
 14588  		}
 14589  		o1 := o0.Args[0]
 14590  		if o1.Op != OpS390XOR {
 14591  			break
 14592  		}
 14593  		o2 := o1.Args[0]
 14594  		if o2.Op != OpS390XOR {
 14595  			break
 14596  		}
 14597  		o3 := o2.Args[0]
 14598  		if o3.Op != OpS390XOR {
 14599  			break
 14600  		}
 14601  		o4 := o3.Args[0]
 14602  		if o4.Op != OpS390XOR {
 14603  			break
 14604  		}
 14605  		o5 := o4.Args[0]
 14606  		if o5.Op != OpS390XOR {
 14607  			break
 14608  		}
 14609  		x0 := o5.Args[0]
 14610  		if x0.Op != OpS390XMOVBZload {
 14611  			break
 14612  		}
 14613  		i := x0.AuxInt
 14614  		s := x0.Aux
 14615  		p := x0.Args[0]
 14616  		mem := x0.Args[1]
 14617  		s0 := o5.Args[1]
 14618  		if s0.Op != OpS390XSLDconst {
 14619  			break
 14620  		}
 14621  		if s0.AuxInt != 8 {
 14622  			break
 14623  		}
 14624  		x1 := s0.Args[0]
 14625  		if x1.Op != OpS390XMOVBZload {
 14626  			break
 14627  		}
 14628  		if x1.AuxInt != i-1 {
 14629  			break
 14630  		}
 14631  		if x1.Aux != s {
 14632  			break
 14633  		}
 14634  		if p != x1.Args[0] {
 14635  			break
 14636  		}
 14637  		if mem != x1.Args[1] {
 14638  			break
 14639  		}
 14640  		s1 := o4.Args[1]
 14641  		if s1.Op != OpS390XSLDconst {
 14642  			break
 14643  		}
 14644  		if s1.AuxInt != 16 {
 14645  			break
 14646  		}
 14647  		x2 := s1.Args[0]
 14648  		if x2.Op != OpS390XMOVBZload {
 14649  			break
 14650  		}
 14651  		if x2.AuxInt != i-2 {
 14652  			break
 14653  		}
 14654  		if x2.Aux != s {
 14655  			break
 14656  		}
 14657  		if p != x2.Args[0] {
 14658  			break
 14659  		}
 14660  		if mem != x2.Args[1] {
 14661  			break
 14662  		}
 14663  		s2 := o3.Args[1]
 14664  		if s2.Op != OpS390XSLDconst {
 14665  			break
 14666  		}
 14667  		if s2.AuxInt != 24 {
 14668  			break
 14669  		}
 14670  		x3 := s2.Args[0]
 14671  		if x3.Op != OpS390XMOVBZload {
 14672  			break
 14673  		}
 14674  		if x3.AuxInt != i-3 {
 14675  			break
 14676  		}
 14677  		if x3.Aux != s {
 14678  			break
 14679  		}
 14680  		if p != x3.Args[0] {
 14681  			break
 14682  		}
 14683  		if mem != x3.Args[1] {
 14684  			break
 14685  		}
 14686  		s3 := o2.Args[1]
 14687  		if s3.Op != OpS390XSLDconst {
 14688  			break
 14689  		}
 14690  		if s3.AuxInt != 32 {
 14691  			break
 14692  		}
 14693  		x4 := s3.Args[0]
 14694  		if x4.Op != OpS390XMOVBZload {
 14695  			break
 14696  		}
 14697  		if x4.AuxInt != i-4 {
 14698  			break
 14699  		}
 14700  		if x4.Aux != s {
 14701  			break
 14702  		}
 14703  		if p != x4.Args[0] {
 14704  			break
 14705  		}
 14706  		if mem != x4.Args[1] {
 14707  			break
 14708  		}
 14709  		s4 := o1.Args[1]
 14710  		if s4.Op != OpS390XSLDconst {
 14711  			break
 14712  		}
 14713  		if s4.AuxInt != 40 {
 14714  			break
 14715  		}
 14716  		x5 := s4.Args[0]
 14717  		if x5.Op != OpS390XMOVBZload {
 14718  			break
 14719  		}
 14720  		if x5.AuxInt != i-5 {
 14721  			break
 14722  		}
 14723  		if x5.Aux != s {
 14724  			break
 14725  		}
 14726  		if p != x5.Args[0] {
 14727  			break
 14728  		}
 14729  		if mem != x5.Args[1] {
 14730  			break
 14731  		}
 14732  		s5 := o0.Args[1]
 14733  		if s5.Op != OpS390XSLDconst {
 14734  			break
 14735  		}
 14736  		if s5.AuxInt != 48 {
 14737  			break
 14738  		}
 14739  		x6 := s5.Args[0]
 14740  		if x6.Op != OpS390XMOVBZload {
 14741  			break
 14742  		}
 14743  		if x6.AuxInt != i-6 {
 14744  			break
 14745  		}
 14746  		if x6.Aux != s {
 14747  			break
 14748  		}
 14749  		if p != x6.Args[0] {
 14750  			break
 14751  		}
 14752  		if mem != x6.Args[1] {
 14753  			break
 14754  		}
 14755  		s6 := v.Args[1]
 14756  		if s6.Op != OpS390XSLDconst {
 14757  			break
 14758  		}
 14759  		if s6.AuxInt != 56 {
 14760  			break
 14761  		}
 14762  		x7 := s6.Args[0]
 14763  		if x7.Op != OpS390XMOVBZload {
 14764  			break
 14765  		}
 14766  		if x7.AuxInt != i-7 {
 14767  			break
 14768  		}
 14769  		if x7.Aux != s {
 14770  			break
 14771  		}
 14772  		if p != x7.Args[0] {
 14773  			break
 14774  		}
 14775  		if mem != x7.Args[1] {
 14776  			break
 14777  		}
 14778  		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)) {
 14779  			break
 14780  		}
 14781  		b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7)
 14782  		v0 := b.NewValue0(v.Line, OpS390XMOVDload, config.fe.TypeUInt64())
 14783  		v.reset(OpCopy)
 14784  		v.AddArg(v0)
 14785  		v0.AuxInt = i - 7
 14786  		v0.Aux = s
 14787  		v0.AddArg(p)
 14788  		v0.AddArg(mem)
 14789  		return true
 14790  	}
 14791  	// 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)))
 14792  	// 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)
 14793  	// result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDloadidx <v.Type> [i-7] {s} p idx mem)
 14794  	for {
 14795  		o0 := v.Args[0]
 14796  		if o0.Op != OpS390XOR {
 14797  			break
 14798  		}
 14799  		o1 := o0.Args[0]
 14800  		if o1.Op != OpS390XOR {
 14801  			break
 14802  		}
 14803  		o2 := o1.Args[0]
 14804  		if o2.Op != OpS390XOR {
 14805  			break
 14806  		}
 14807  		o3 := o2.Args[0]
 14808  		if o3.Op != OpS390XOR {
 14809  			break
 14810  		}
 14811  		o4 := o3.Args[0]
 14812  		if o4.Op != OpS390XOR {
 14813  			break
 14814  		}
 14815  		o5 := o4.Args[0]
 14816  		if o5.Op != OpS390XOR {
 14817  			break
 14818  		}
 14819  		x0 := o5.Args[0]
 14820  		if x0.Op != OpS390XMOVBZloadidx {
 14821  			break
 14822  		}
 14823  		i := x0.AuxInt
 14824  		s := x0.Aux
 14825  		p := x0.Args[0]
 14826  		idx := x0.Args[1]
 14827  		mem := x0.Args[2]
 14828  		s0 := o5.Args[1]
 14829  		if s0.Op != OpS390XSLDconst {
 14830  			break
 14831  		}
 14832  		if s0.AuxInt != 8 {
 14833  			break
 14834  		}
 14835  		x1 := s0.Args[0]
 14836  		if x1.Op != OpS390XMOVBZloadidx {
 14837  			break
 14838  		}
 14839  		if x1.AuxInt != i-1 {
 14840  			break
 14841  		}
 14842  		if x1.Aux != s {
 14843  			break
 14844  		}
 14845  		if p != x1.Args[0] {
 14846  			break
 14847  		}
 14848  		if idx != x1.Args[1] {
 14849  			break
 14850  		}
 14851  		if mem != x1.Args[2] {
 14852  			break
 14853  		}
 14854  		s1 := o4.Args[1]
 14855  		if s1.Op != OpS390XSLDconst {
 14856  			break
 14857  		}
 14858  		if s1.AuxInt != 16 {
 14859  			break
 14860  		}
 14861  		x2 := s1.Args[0]
 14862  		if x2.Op != OpS390XMOVBZloadidx {
 14863  			break
 14864  		}
 14865  		if x2.AuxInt != i-2 {
 14866  			break
 14867  		}
 14868  		if x2.Aux != s {
 14869  			break
 14870  		}
 14871  		if p != x2.Args[0] {
 14872  			break
 14873  		}
 14874  		if idx != x2.Args[1] {
 14875  			break
 14876  		}
 14877  		if mem != x2.Args[2] {
 14878  			break
 14879  		}
 14880  		s2 := o3.Args[1]
 14881  		if s2.Op != OpS390XSLDconst {
 14882  			break
 14883  		}
 14884  		if s2.AuxInt != 24 {
 14885  			break
 14886  		}
 14887  		x3 := s2.Args[0]
 14888  		if x3.Op != OpS390XMOVBZloadidx {
 14889  			break
 14890  		}
 14891  		if x3.AuxInt != i-3 {
 14892  			break
 14893  		}
 14894  		if x3.Aux != s {
 14895  			break
 14896  		}
 14897  		if p != x3.Args[0] {
 14898  			break
 14899  		}
 14900  		if idx != x3.Args[1] {
 14901  			break
 14902  		}
 14903  		if mem != x3.Args[2] {
 14904  			break
 14905  		}
 14906  		s3 := o2.Args[1]
 14907  		if s3.Op != OpS390XSLDconst {
 14908  			break
 14909  		}
 14910  		if s3.AuxInt != 32 {
 14911  			break
 14912  		}
 14913  		x4 := s3.Args[0]
 14914  		if x4.Op != OpS390XMOVBZloadidx {
 14915  			break
 14916  		}
 14917  		if x4.AuxInt != i-4 {
 14918  			break
 14919  		}
 14920  		if x4.Aux != s {
 14921  			break
 14922  		}
 14923  		if p != x4.Args[0] {
 14924  			break
 14925  		}
 14926  		if idx != x4.Args[1] {
 14927  			break
 14928  		}
 14929  		if mem != x4.Args[2] {
 14930  			break
 14931  		}
 14932  		s4 := o1.Args[1]
 14933  		if s4.Op != OpS390XSLDconst {
 14934  			break
 14935  		}
 14936  		if s4.AuxInt != 40 {
 14937  			break
 14938  		}
 14939  		x5 := s4.Args[0]
 14940  		if x5.Op != OpS390XMOVBZloadidx {
 14941  			break
 14942  		}
 14943  		if x5.AuxInt != i-5 {
 14944  			break
 14945  		}
 14946  		if x5.Aux != s {
 14947  			break
 14948  		}
 14949  		if p != x5.Args[0] {
 14950  			break
 14951  		}
 14952  		if idx != x5.Args[1] {
 14953  			break
 14954  		}
 14955  		if mem != x5.Args[2] {
 14956  			break
 14957  		}
 14958  		s5 := o0.Args[1]
 14959  		if s5.Op != OpS390XSLDconst {
 14960  			break
 14961  		}
 14962  		if s5.AuxInt != 48 {
 14963  			break
 14964  		}
 14965  		x6 := s5.Args[0]
 14966  		if x6.Op != OpS390XMOVBZloadidx {
 14967  			break
 14968  		}
 14969  		if x6.AuxInt != i-6 {
 14970  			break
 14971  		}
 14972  		if x6.Aux != s {
 14973  			break
 14974  		}
 14975  		if p != x6.Args[0] {
 14976  			break
 14977  		}
 14978  		if idx != x6.Args[1] {
 14979  			break
 14980  		}
 14981  		if mem != x6.Args[2] {
 14982  			break
 14983  		}
 14984  		s6 := v.Args[1]
 14985  		if s6.Op != OpS390XSLDconst {
 14986  			break
 14987  		}
 14988  		if s6.AuxInt != 56 {
 14989  			break
 14990  		}
 14991  		x7 := s6.Args[0]
 14992  		if x7.Op != OpS390XMOVBZloadidx {
 14993  			break
 14994  		}
 14995  		if x7.AuxInt != i-7 {
 14996  			break
 14997  		}
 14998  		if x7.Aux != s {
 14999  			break
 15000  		}
 15001  		if p != x7.Args[0] {
 15002  			break
 15003  		}
 15004  		if idx != x7.Args[1] {
 15005  			break
 15006  		}
 15007  		if mem != x7.Args[2] {
 15008  			break
 15009  		}
 15010  		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)) {
 15011  			break
 15012  		}
 15013  		b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7)
 15014  		v0 := b.NewValue0(v.Line, OpS390XMOVDloadidx, v.Type)
 15015  		v.reset(OpCopy)
 15016  		v.AddArg(v0)
 15017  		v0.AuxInt = i - 7
 15018  		v0.Aux = s
 15019  		v0.AddArg(p)
 15020  		v0.AddArg(idx)
 15021  		v0.AddArg(mem)
 15022  		return true
 15023  	}
 15024  	return false
 15025  }
 15026  func rewriteValueS390X_OpS390XORW(v *Value, config *Config) bool {
 15027  	b := v.Block
 15028  	_ = b
 15029  	// match: (ORW x (MOVDconst [c]))
 15030  	// cond:
 15031  	// result: (ORWconst [c] x)
 15032  	for {
 15033  		x := v.Args[0]
 15034  		v_1 := v.Args[1]
 15035  		if v_1.Op != OpS390XMOVDconst {
 15036  			break
 15037  		}
 15038  		c := v_1.AuxInt
 15039  		v.reset(OpS390XORWconst)
 15040  		v.AuxInt = c
 15041  		v.AddArg(x)
 15042  		return true
 15043  	}
 15044  	// match: (ORW (MOVDconst [c]) x)
 15045  	// cond:
 15046  	// result: (ORWconst [c] x)
 15047  	for {
 15048  		v_0 := v.Args[0]
 15049  		if v_0.Op != OpS390XMOVDconst {
 15050  			break
 15051  		}
 15052  		c := v_0.AuxInt
 15053  		x := v.Args[1]
 15054  		v.reset(OpS390XORWconst)
 15055  		v.AuxInt = c
 15056  		v.AddArg(x)
 15057  		return true
 15058  	}
 15059  	// match: (ORW x x)
 15060  	// cond:
 15061  	// result: x
 15062  	for {
 15063  		x := v.Args[0]
 15064  		if x != v.Args[1] {
 15065  			break
 15066  		}
 15067  		v.reset(OpCopy)
 15068  		v.Type = x.Type
 15069  		v.AddArg(x)
 15070  		return true
 15071  	}
 15072  	// match: (ORW <t> x g:(MOVWload [off] {sym} ptr mem))
 15073  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 15074  	// result: (ORWload <t> [off] {sym} x ptr mem)
 15075  	for {
 15076  		t := v.Type
 15077  		x := v.Args[0]
 15078  		g := v.Args[1]
 15079  		if g.Op != OpS390XMOVWload {
 15080  			break
 15081  		}
 15082  		off := g.AuxInt
 15083  		sym := g.Aux
 15084  		ptr := g.Args[0]
 15085  		mem := g.Args[1]
 15086  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 15087  			break
 15088  		}
 15089  		v.reset(OpS390XORWload)
 15090  		v.Type = t
 15091  		v.AuxInt = off
 15092  		v.Aux = sym
 15093  		v.AddArg(x)
 15094  		v.AddArg(ptr)
 15095  		v.AddArg(mem)
 15096  		return true
 15097  	}
 15098  	// match: (ORW <t> g:(MOVWload [off] {sym} ptr mem) x)
 15099  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 15100  	// result: (ORWload <t> [off] {sym} x ptr mem)
 15101  	for {
 15102  		t := v.Type
 15103  		g := v.Args[0]
 15104  		if g.Op != OpS390XMOVWload {
 15105  			break
 15106  		}
 15107  		off := g.AuxInt
 15108  		sym := g.Aux
 15109  		ptr := g.Args[0]
 15110  		mem := g.Args[1]
 15111  		x := v.Args[1]
 15112  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 15113  			break
 15114  		}
 15115  		v.reset(OpS390XORWload)
 15116  		v.Type = t
 15117  		v.AuxInt = off
 15118  		v.Aux = sym
 15119  		v.AddArg(x)
 15120  		v.AddArg(ptr)
 15121  		v.AddArg(mem)
 15122  		return true
 15123  	}
 15124  	// match: (ORW <t> x g:(MOVWZload [off] {sym} ptr mem))
 15125  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 15126  	// result: (ORWload <t> [off] {sym} x ptr mem)
 15127  	for {
 15128  		t := v.Type
 15129  		x := v.Args[0]
 15130  		g := v.Args[1]
 15131  		if g.Op != OpS390XMOVWZload {
 15132  			break
 15133  		}
 15134  		off := g.AuxInt
 15135  		sym := g.Aux
 15136  		ptr := g.Args[0]
 15137  		mem := g.Args[1]
 15138  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 15139  			break
 15140  		}
 15141  		v.reset(OpS390XORWload)
 15142  		v.Type = t
 15143  		v.AuxInt = off
 15144  		v.Aux = sym
 15145  		v.AddArg(x)
 15146  		v.AddArg(ptr)
 15147  		v.AddArg(mem)
 15148  		return true
 15149  	}
 15150  	// match: (ORW <t> g:(MOVWZload [off] {sym} ptr mem) x)
 15151  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 15152  	// result: (ORWload <t> [off] {sym} x ptr mem)
 15153  	for {
 15154  		t := v.Type
 15155  		g := v.Args[0]
 15156  		if g.Op != OpS390XMOVWZload {
 15157  			break
 15158  		}
 15159  		off := g.AuxInt
 15160  		sym := g.Aux
 15161  		ptr := g.Args[0]
 15162  		mem := g.Args[1]
 15163  		x := v.Args[1]
 15164  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 15165  			break
 15166  		}
 15167  		v.reset(OpS390XORWload)
 15168  		v.Type = t
 15169  		v.AuxInt = off
 15170  		v.Aux = sym
 15171  		v.AddArg(x)
 15172  		v.AddArg(ptr)
 15173  		v.AddArg(mem)
 15174  		return true
 15175  	}
 15176  	// match: (ORW                 x0:(MOVBZload [i]   {s} p mem)     s0:(SLWconst [8] x1:(MOVBZload [i+1] {s} p mem)))
 15177  	// cond: p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)
 15178  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRload [i] {s} p mem))
 15179  	for {
 15180  		x0 := v.Args[0]
 15181  		if x0.Op != OpS390XMOVBZload {
 15182  			break
 15183  		}
 15184  		i := x0.AuxInt
 15185  		s := x0.Aux
 15186  		p := x0.Args[0]
 15187  		mem := x0.Args[1]
 15188  		s0 := v.Args[1]
 15189  		if s0.Op != OpS390XSLWconst {
 15190  			break
 15191  		}
 15192  		if s0.AuxInt != 8 {
 15193  			break
 15194  		}
 15195  		x1 := s0.Args[0]
 15196  		if x1.Op != OpS390XMOVBZload {
 15197  			break
 15198  		}
 15199  		if x1.AuxInt != i+1 {
 15200  			break
 15201  		}
 15202  		if x1.Aux != s {
 15203  			break
 15204  		}
 15205  		if p != x1.Args[0] {
 15206  			break
 15207  		}
 15208  		if mem != x1.Args[1] {
 15209  			break
 15210  		}
 15211  		if !(p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0)) {
 15212  			break
 15213  		}
 15214  		b = mergePoint(b, x0, x1)
 15215  		v0 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
 15216  		v.reset(OpCopy)
 15217  		v.AddArg(v0)
 15218  		v1 := b.NewValue0(v.Line, OpS390XMOVHBRload, config.fe.TypeUInt16())
 15219  		v1.AuxInt = i
 15220  		v1.Aux = s
 15221  		v1.AddArg(p)
 15222  		v1.AddArg(mem)
 15223  		v0.AddArg(v1)
 15224  		return true
 15225  	}
 15226  	// 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)))
 15227  	// 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)
 15228  	// result: @mergePoint(b,x0,x1,x2) (MOVWBRload [i] {s} p mem)
 15229  	for {
 15230  		o0 := v.Args[0]
 15231  		if o0.Op != OpS390XORW {
 15232  			break
 15233  		}
 15234  		z0 := o0.Args[0]
 15235  		if z0.Op != OpS390XMOVHZreg {
 15236  			break
 15237  		}
 15238  		x0 := z0.Args[0]
 15239  		if x0.Op != OpS390XMOVHBRload {
 15240  			break
 15241  		}
 15242  		i := x0.AuxInt
 15243  		s := x0.Aux
 15244  		p := x0.Args[0]
 15245  		mem := x0.Args[1]
 15246  		s0 := o0.Args[1]
 15247  		if s0.Op != OpS390XSLWconst {
 15248  			break
 15249  		}
 15250  		if s0.AuxInt != 16 {
 15251  			break
 15252  		}
 15253  		x1 := s0.Args[0]
 15254  		if x1.Op != OpS390XMOVBZload {
 15255  			break
 15256  		}
 15257  		if x1.AuxInt != i+2 {
 15258  			break
 15259  		}
 15260  		if x1.Aux != s {
 15261  			break
 15262  		}
 15263  		if p != x1.Args[0] {
 15264  			break
 15265  		}
 15266  		if mem != x1.Args[1] {
 15267  			break
 15268  		}
 15269  		s1 := v.Args[1]
 15270  		if s1.Op != OpS390XSLWconst {
 15271  			break
 15272  		}
 15273  		if s1.AuxInt != 24 {
 15274  			break
 15275  		}
 15276  		x2 := s1.Args[0]
 15277  		if x2.Op != OpS390XMOVBZload {
 15278  			break
 15279  		}
 15280  		if x2.AuxInt != i+3 {
 15281  			break
 15282  		}
 15283  		if x2.Aux != s {
 15284  			break
 15285  		}
 15286  		if p != x2.Args[0] {
 15287  			break
 15288  		}
 15289  		if mem != x2.Args[1] {
 15290  			break
 15291  		}
 15292  		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)) {
 15293  			break
 15294  		}
 15295  		b = mergePoint(b, x0, x1, x2)
 15296  		v0 := b.NewValue0(v.Line, OpS390XMOVWBRload, config.fe.TypeUInt32())
 15297  		v.reset(OpCopy)
 15298  		v.AddArg(v0)
 15299  		v0.AuxInt = i
 15300  		v0.Aux = s
 15301  		v0.AddArg(p)
 15302  		v0.AddArg(mem)
 15303  		return true
 15304  	}
 15305  	// match: (ORW                 x0:(MOVBZloadidx [i]   {s} p idx mem)     s0:(SLWconst [8] x1:(MOVBZloadidx [i+1] {s} p idx mem)))
 15306  	// cond: x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)
 15307  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRloadidx <v.Type> [i] {s} p idx mem))
 15308  	for {
 15309  		x0 := v.Args[0]
 15310  		if x0.Op != OpS390XMOVBZloadidx {
 15311  			break
 15312  		}
 15313  		i := x0.AuxInt
 15314  		s := x0.Aux
 15315  		p := x0.Args[0]
 15316  		idx := x0.Args[1]
 15317  		mem := x0.Args[2]
 15318  		s0 := v.Args[1]
 15319  		if s0.Op != OpS390XSLWconst {
 15320  			break
 15321  		}
 15322  		if s0.AuxInt != 8 {
 15323  			break
 15324  		}
 15325  		x1 := s0.Args[0]
 15326  		if x1.Op != OpS390XMOVBZloadidx {
 15327  			break
 15328  		}
 15329  		if x1.AuxInt != i+1 {
 15330  			break
 15331  		}
 15332  		if x1.Aux != s {
 15333  			break
 15334  		}
 15335  		if p != x1.Args[0] {
 15336  			break
 15337  		}
 15338  		if idx != x1.Args[1] {
 15339  			break
 15340  		}
 15341  		if mem != x1.Args[2] {
 15342  			break
 15343  		}
 15344  		if !(x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0)) {
 15345  			break
 15346  		}
 15347  		b = mergePoint(b, x0, x1)
 15348  		v0 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
 15349  		v.reset(OpCopy)
 15350  		v.AddArg(v0)
 15351  		v1 := b.NewValue0(v.Line, OpS390XMOVHBRloadidx, v.Type)
 15352  		v1.AuxInt = i
 15353  		v1.Aux = s
 15354  		v1.AddArg(p)
 15355  		v1.AddArg(idx)
 15356  		v1.AddArg(mem)
 15357  		v0.AddArg(v1)
 15358  		return true
 15359  	}
 15360  	// 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)))
 15361  	// 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)
 15362  	// result: @mergePoint(b,x0,x1,x2) (MOVWZreg (MOVWBRloadidx <v.Type> [i] {s} p idx mem))
 15363  	for {
 15364  		o0 := v.Args[0]
 15365  		if o0.Op != OpS390XORW {
 15366  			break
 15367  		}
 15368  		z0 := o0.Args[0]
 15369  		if z0.Op != OpS390XMOVHZreg {
 15370  			break
 15371  		}
 15372  		x0 := z0.Args[0]
 15373  		if x0.Op != OpS390XMOVHBRloadidx {
 15374  			break
 15375  		}
 15376  		i := x0.AuxInt
 15377  		s := x0.Aux
 15378  		p := x0.Args[0]
 15379  		idx := x0.Args[1]
 15380  		mem := x0.Args[2]
 15381  		s0 := o0.Args[1]
 15382  		if s0.Op != OpS390XSLWconst {
 15383  			break
 15384  		}
 15385  		if s0.AuxInt != 16 {
 15386  			break
 15387  		}
 15388  		x1 := s0.Args[0]
 15389  		if x1.Op != OpS390XMOVBZloadidx {
 15390  			break
 15391  		}
 15392  		if x1.AuxInt != i+2 {
 15393  			break
 15394  		}
 15395  		if x1.Aux != s {
 15396  			break
 15397  		}
 15398  		if p != x1.Args[0] {
 15399  			break
 15400  		}
 15401  		if idx != x1.Args[1] {
 15402  			break
 15403  		}
 15404  		if mem != x1.Args[2] {
 15405  			break
 15406  		}
 15407  		s1 := v.Args[1]
 15408  		if s1.Op != OpS390XSLWconst {
 15409  			break
 15410  		}
 15411  		if s1.AuxInt != 24 {
 15412  			break
 15413  		}
 15414  		x2 := s1.Args[0]
 15415  		if x2.Op != OpS390XMOVBZloadidx {
 15416  			break
 15417  		}
 15418  		if x2.AuxInt != i+3 {
 15419  			break
 15420  		}
 15421  		if x2.Aux != s {
 15422  			break
 15423  		}
 15424  		if p != x2.Args[0] {
 15425  			break
 15426  		}
 15427  		if idx != x2.Args[1] {
 15428  			break
 15429  		}
 15430  		if mem != x2.Args[2] {
 15431  			break
 15432  		}
 15433  		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)) {
 15434  			break
 15435  		}
 15436  		b = mergePoint(b, x0, x1, x2)
 15437  		v0 := b.NewValue0(v.Line, OpS390XMOVWZreg, config.fe.TypeUInt64())
 15438  		v.reset(OpCopy)
 15439  		v.AddArg(v0)
 15440  		v1 := b.NewValue0(v.Line, OpS390XMOVWBRloadidx, v.Type)
 15441  		v1.AuxInt = i
 15442  		v1.Aux = s
 15443  		v1.AddArg(p)
 15444  		v1.AddArg(idx)
 15445  		v1.AddArg(mem)
 15446  		v0.AddArg(v1)
 15447  		return true
 15448  	}
 15449  	// match: (ORW                  x0:(MOVBZload [i]   {s} p mem)     s0:(SLWconst [8] x1:(MOVBZload [i-1] {s} p mem)))
 15450  	// cond: p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)
 15451  	// result: @mergePoint(b,x0,x1) (MOVHZload [i-1] {s} p mem)
 15452  	for {
 15453  		x0 := v.Args[0]
 15454  		if x0.Op != OpS390XMOVBZload {
 15455  			break
 15456  		}
 15457  		i := x0.AuxInt
 15458  		s := x0.Aux
 15459  		p := x0.Args[0]
 15460  		mem := x0.Args[1]
 15461  		s0 := v.Args[1]
 15462  		if s0.Op != OpS390XSLWconst {
 15463  			break
 15464  		}
 15465  		if s0.AuxInt != 8 {
 15466  			break
 15467  		}
 15468  		x1 := s0.Args[0]
 15469  		if x1.Op != OpS390XMOVBZload {
 15470  			break
 15471  		}
 15472  		if x1.AuxInt != i-1 {
 15473  			break
 15474  		}
 15475  		if x1.Aux != s {
 15476  			break
 15477  		}
 15478  		if p != x1.Args[0] {
 15479  			break
 15480  		}
 15481  		if mem != x1.Args[1] {
 15482  			break
 15483  		}
 15484  		if !(p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0)) {
 15485  			break
 15486  		}
 15487  		b = mergePoint(b, x0, x1)
 15488  		v0 := b.NewValue0(v.Line, OpS390XMOVHZload, config.fe.TypeUInt16())
 15489  		v.reset(OpCopy)
 15490  		v.AddArg(v0)
 15491  		v0.AuxInt = i - 1
 15492  		v0.Aux = s
 15493  		v0.AddArg(p)
 15494  		v0.AddArg(mem)
 15495  		return true
 15496  	}
 15497  	// 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)))
 15498  	// 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)
 15499  	// result: @mergePoint(b,x0,x1,x2) (MOVWZload [i-2] {s} p mem)
 15500  	for {
 15501  		o0 := v.Args[0]
 15502  		if o0.Op != OpS390XORW {
 15503  			break
 15504  		}
 15505  		x0 := o0.Args[0]
 15506  		if x0.Op != OpS390XMOVHZload {
 15507  			break
 15508  		}
 15509  		i := x0.AuxInt
 15510  		s := x0.Aux
 15511  		p := x0.Args[0]
 15512  		mem := x0.Args[1]
 15513  		s0 := o0.Args[1]
 15514  		if s0.Op != OpS390XSLWconst {
 15515  			break
 15516  		}
 15517  		if s0.AuxInt != 16 {
 15518  			break
 15519  		}
 15520  		x1 := s0.Args[0]
 15521  		if x1.Op != OpS390XMOVBZload {
 15522  			break
 15523  		}
 15524  		if x1.AuxInt != i-1 {
 15525  			break
 15526  		}
 15527  		if x1.Aux != s {
 15528  			break
 15529  		}
 15530  		if p != x1.Args[0] {
 15531  			break
 15532  		}
 15533  		if mem != x1.Args[1] {
 15534  			break
 15535  		}
 15536  		s1 := v.Args[1]
 15537  		if s1.Op != OpS390XSLWconst {
 15538  			break
 15539  		}
 15540  		if s1.AuxInt != 24 {
 15541  			break
 15542  		}
 15543  		x2 := s1.Args[0]
 15544  		if x2.Op != OpS390XMOVBZload {
 15545  			break
 15546  		}
 15547  		if x2.AuxInt != i-2 {
 15548  			break
 15549  		}
 15550  		if x2.Aux != s {
 15551  			break
 15552  		}
 15553  		if p != x2.Args[0] {
 15554  			break
 15555  		}
 15556  		if mem != x2.Args[1] {
 15557  			break
 15558  		}
 15559  		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)) {
 15560  			break
 15561  		}
 15562  		b = mergePoint(b, x0, x1, x2)
 15563  		v0 := b.NewValue0(v.Line, OpS390XMOVWZload, config.fe.TypeUInt32())
 15564  		v.reset(OpCopy)
 15565  		v.AddArg(v0)
 15566  		v0.AuxInt = i - 2
 15567  		v0.Aux = s
 15568  		v0.AddArg(p)
 15569  		v0.AddArg(mem)
 15570  		return true
 15571  	}
 15572  	// match: (ORW                 x0:(MOVBZloadidx [i]   {s} p idx mem)     s0:(SLWconst [8] x1:(MOVBZloadidx [i-1] {s} p idx mem)))
 15573  	// cond: x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)
 15574  	// result: @mergePoint(b,x0,x1) (MOVHZloadidx <v.Type> [i-1] {s} p idx mem)
 15575  	for {
 15576  		x0 := v.Args[0]
 15577  		if x0.Op != OpS390XMOVBZloadidx {
 15578  			break
 15579  		}
 15580  		i := x0.AuxInt
 15581  		s := x0.Aux
 15582  		p := x0.Args[0]
 15583  		idx := x0.Args[1]
 15584  		mem := x0.Args[2]
 15585  		s0 := v.Args[1]
 15586  		if s0.Op != OpS390XSLWconst {
 15587  			break
 15588  		}
 15589  		if s0.AuxInt != 8 {
 15590  			break
 15591  		}
 15592  		x1 := s0.Args[0]
 15593  		if x1.Op != OpS390XMOVBZloadidx {
 15594  			break
 15595  		}
 15596  		if x1.AuxInt != i-1 {
 15597  			break
 15598  		}
 15599  		if x1.Aux != s {
 15600  			break
 15601  		}
 15602  		if p != x1.Args[0] {
 15603  			break
 15604  		}
 15605  		if idx != x1.Args[1] {
 15606  			break
 15607  		}
 15608  		if mem != x1.Args[2] {
 15609  			break
 15610  		}
 15611  		if !(x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0)) {
 15612  			break
 15613  		}
 15614  		b = mergePoint(b, x0, x1)
 15615  		v0 := b.NewValue0(v.Line, OpS390XMOVHZloadidx, v.Type)
 15616  		v.reset(OpCopy)
 15617  		v.AddArg(v0)
 15618  		v0.AuxInt = i - 1
 15619  		v0.Aux = s
 15620  		v0.AddArg(p)
 15621  		v0.AddArg(idx)
 15622  		v0.AddArg(mem)
 15623  		return true
 15624  	}
 15625  	// 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)))
 15626  	// 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)
 15627  	// result: @mergePoint(b,x0,x1,x2) (MOVWZloadidx <v.Type> [i-2] {s} p idx mem)
 15628  	for {
 15629  		o0 := v.Args[0]
 15630  		if o0.Op != OpS390XORW {
 15631  			break
 15632  		}
 15633  		x0 := o0.Args[0]
 15634  		if x0.Op != OpS390XMOVHZloadidx {
 15635  			break
 15636  		}
 15637  		i := x0.AuxInt
 15638  		s := x0.Aux
 15639  		p := x0.Args[0]
 15640  		idx := x0.Args[1]
 15641  		mem := x0.Args[2]
 15642  		s0 := o0.Args[1]
 15643  		if s0.Op != OpS390XSLWconst {
 15644  			break
 15645  		}
 15646  		if s0.AuxInt != 16 {
 15647  			break
 15648  		}
 15649  		x1 := s0.Args[0]
 15650  		if x1.Op != OpS390XMOVBZloadidx {
 15651  			break
 15652  		}
 15653  		if x1.AuxInt != i-1 {
 15654  			break
 15655  		}
 15656  		if x1.Aux != s {
 15657  			break
 15658  		}
 15659  		if p != x1.Args[0] {
 15660  			break
 15661  		}
 15662  		if idx != x1.Args[1] {
 15663  			break
 15664  		}
 15665  		if mem != x1.Args[2] {
 15666  			break
 15667  		}
 15668  		s1 := v.Args[1]
 15669  		if s1.Op != OpS390XSLWconst {
 15670  			break
 15671  		}
 15672  		if s1.AuxInt != 24 {
 15673  			break
 15674  		}
 15675  		x2 := s1.Args[0]
 15676  		if x2.Op != OpS390XMOVBZloadidx {
 15677  			break
 15678  		}
 15679  		if x2.AuxInt != i-2 {
 15680  			break
 15681  		}
 15682  		if x2.Aux != s {
 15683  			break
 15684  		}
 15685  		if p != x2.Args[0] {
 15686  			break
 15687  		}
 15688  		if idx != x2.Args[1] {
 15689  			break
 15690  		}
 15691  		if mem != x2.Args[2] {
 15692  			break
 15693  		}
 15694  		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)) {
 15695  			break
 15696  		}
 15697  		b = mergePoint(b, x0, x1, x2)
 15698  		v0 := b.NewValue0(v.Line, OpS390XMOVWZloadidx, v.Type)
 15699  		v.reset(OpCopy)
 15700  		v.AddArg(v0)
 15701  		v0.AuxInt = i - 2
 15702  		v0.Aux = s
 15703  		v0.AddArg(p)
 15704  		v0.AddArg(idx)
 15705  		v0.AddArg(mem)
 15706  		return true
 15707  	}
 15708  	return false
 15709  }
 15710  func rewriteValueS390X_OpS390XORWconst(v *Value, config *Config) bool {
 15711  	b := v.Block
 15712  	_ = b
 15713  	// match: (ORWconst [c] x)
 15714  	// cond: int32(c)==0
 15715  	// result: x
 15716  	for {
 15717  		c := v.AuxInt
 15718  		x := v.Args[0]
 15719  		if !(int32(c) == 0) {
 15720  			break
 15721  		}
 15722  		v.reset(OpCopy)
 15723  		v.Type = x.Type
 15724  		v.AddArg(x)
 15725  		return true
 15726  	}
 15727  	// match: (ORWconst [c] _)
 15728  	// cond: int32(c)==-1
 15729  	// result: (MOVDconst [-1])
 15730  	for {
 15731  		c := v.AuxInt
 15732  		if !(int32(c) == -1) {
 15733  			break
 15734  		}
 15735  		v.reset(OpS390XMOVDconst)
 15736  		v.AuxInt = -1
 15737  		return true
 15738  	}
 15739  	// match: (ORWconst [c] (MOVDconst [d]))
 15740  	// cond:
 15741  	// result: (MOVDconst [c|d])
 15742  	for {
 15743  		c := v.AuxInt
 15744  		v_0 := v.Args[0]
 15745  		if v_0.Op != OpS390XMOVDconst {
 15746  			break
 15747  		}
 15748  		d := v_0.AuxInt
 15749  		v.reset(OpS390XMOVDconst)
 15750  		v.AuxInt = c | d
 15751  		return true
 15752  	}
 15753  	return false
 15754  }
 15755  func rewriteValueS390X_OpS390XORconst(v *Value, config *Config) bool {
 15756  	b := v.Block
 15757  	_ = b
 15758  	// match: (ORconst [0] x)
 15759  	// cond:
 15760  	// result: x
 15761  	for {
 15762  		if v.AuxInt != 0 {
 15763  			break
 15764  		}
 15765  		x := v.Args[0]
 15766  		v.reset(OpCopy)
 15767  		v.Type = x.Type
 15768  		v.AddArg(x)
 15769  		return true
 15770  	}
 15771  	// match: (ORconst [-1] _)
 15772  	// cond:
 15773  	// result: (MOVDconst [-1])
 15774  	for {
 15775  		if v.AuxInt != -1 {
 15776  			break
 15777  		}
 15778  		v.reset(OpS390XMOVDconst)
 15779  		v.AuxInt = -1
 15780  		return true
 15781  	}
 15782  	// match: (ORconst [c] (MOVDconst [d]))
 15783  	// cond:
 15784  	// result: (MOVDconst [c|d])
 15785  	for {
 15786  		c := v.AuxInt
 15787  		v_0 := v.Args[0]
 15788  		if v_0.Op != OpS390XMOVDconst {
 15789  			break
 15790  		}
 15791  		d := v_0.AuxInt
 15792  		v.reset(OpS390XMOVDconst)
 15793  		v.AuxInt = c | d
 15794  		return true
 15795  	}
 15796  	return false
 15797  }
 15798  func rewriteValueS390X_OpS390XSLD(v *Value, config *Config) bool {
 15799  	b := v.Block
 15800  	_ = b
 15801  	// match: (SLD x (MOVDconst [c]))
 15802  	// cond:
 15803  	// result: (SLDconst [c&63] x)
 15804  	for {
 15805  		x := v.Args[0]
 15806  		v_1 := v.Args[1]
 15807  		if v_1.Op != OpS390XMOVDconst {
 15808  			break
 15809  		}
 15810  		c := v_1.AuxInt
 15811  		v.reset(OpS390XSLDconst)
 15812  		v.AuxInt = c & 63
 15813  		v.AddArg(x)
 15814  		return true
 15815  	}
 15816  	// match: (SLD x (ANDconst [63] y))
 15817  	// cond:
 15818  	// result: (SLD x y)
 15819  	for {
 15820  		x := v.Args[0]
 15821  		v_1 := v.Args[1]
 15822  		if v_1.Op != OpS390XANDconst {
 15823  			break
 15824  		}
 15825  		if v_1.AuxInt != 63 {
 15826  			break
 15827  		}
 15828  		y := v_1.Args[0]
 15829  		v.reset(OpS390XSLD)
 15830  		v.AddArg(x)
 15831  		v.AddArg(y)
 15832  		return true
 15833  	}
 15834  	return false
 15835  }
 15836  func rewriteValueS390X_OpS390XSLW(v *Value, config *Config) bool {
 15837  	b := v.Block
 15838  	_ = b
 15839  	// match: (SLW x (MOVDconst [c]))
 15840  	// cond:
 15841  	// result: (SLWconst [c&63] x)
 15842  	for {
 15843  		x := v.Args[0]
 15844  		v_1 := v.Args[1]
 15845  		if v_1.Op != OpS390XMOVDconst {
 15846  			break
 15847  		}
 15848  		c := v_1.AuxInt
 15849  		v.reset(OpS390XSLWconst)
 15850  		v.AuxInt = c & 63
 15851  		v.AddArg(x)
 15852  		return true
 15853  	}
 15854  	// match: (SLW x (ANDWconst [63] y))
 15855  	// cond:
 15856  	// result: (SLW x y)
 15857  	for {
 15858  		x := v.Args[0]
 15859  		v_1 := v.Args[1]
 15860  		if v_1.Op != OpS390XANDWconst {
 15861  			break
 15862  		}
 15863  		if v_1.AuxInt != 63 {
 15864  			break
 15865  		}
 15866  		y := v_1.Args[0]
 15867  		v.reset(OpS390XSLW)
 15868  		v.AddArg(x)
 15869  		v.AddArg(y)
 15870  		return true
 15871  	}
 15872  	return false
 15873  }
 15874  func rewriteValueS390X_OpS390XSRAD(v *Value, config *Config) bool {
 15875  	b := v.Block
 15876  	_ = b
 15877  	// match: (SRAD x (MOVDconst [c]))
 15878  	// cond:
 15879  	// result: (SRADconst [c&63] x)
 15880  	for {
 15881  		x := v.Args[0]
 15882  		v_1 := v.Args[1]
 15883  		if v_1.Op != OpS390XMOVDconst {
 15884  			break
 15885  		}
 15886  		c := v_1.AuxInt
 15887  		v.reset(OpS390XSRADconst)
 15888  		v.AuxInt = c & 63
 15889  		v.AddArg(x)
 15890  		return true
 15891  	}
 15892  	// match: (SRAD x (ANDconst [63] y))
 15893  	// cond:
 15894  	// result: (SRAD x y)
 15895  	for {
 15896  		x := v.Args[0]
 15897  		v_1 := v.Args[1]
 15898  		if v_1.Op != OpS390XANDconst {
 15899  			break
 15900  		}
 15901  		if v_1.AuxInt != 63 {
 15902  			break
 15903  		}
 15904  		y := v_1.Args[0]
 15905  		v.reset(OpS390XSRAD)
 15906  		v.AddArg(x)
 15907  		v.AddArg(y)
 15908  		return true
 15909  	}
 15910  	return false
 15911  }
 15912  func rewriteValueS390X_OpS390XSRADconst(v *Value, config *Config) bool {
 15913  	b := v.Block
 15914  	_ = b
 15915  	// match: (SRADconst [c] (MOVDconst [d]))
 15916  	// cond:
 15917  	// result: (MOVDconst [d>>uint64(c)])
 15918  	for {
 15919  		c := v.AuxInt
 15920  		v_0 := v.Args[0]
 15921  		if v_0.Op != OpS390XMOVDconst {
 15922  			break
 15923  		}
 15924  		d := v_0.AuxInt
 15925  		v.reset(OpS390XMOVDconst)
 15926  		v.AuxInt = d >> uint64(c)
 15927  		return true
 15928  	}
 15929  	return false
 15930  }
 15931  func rewriteValueS390X_OpS390XSRAW(v *Value, config *Config) bool {
 15932  	b := v.Block
 15933  	_ = b
 15934  	// match: (SRAW x (MOVDconst [c]))
 15935  	// cond:
 15936  	// result: (SRAWconst [c&63] x)
 15937  	for {
 15938  		x := v.Args[0]
 15939  		v_1 := v.Args[1]
 15940  		if v_1.Op != OpS390XMOVDconst {
 15941  			break
 15942  		}
 15943  		c := v_1.AuxInt
 15944  		v.reset(OpS390XSRAWconst)
 15945  		v.AuxInt = c & 63
 15946  		v.AddArg(x)
 15947  		return true
 15948  	}
 15949  	// match: (SRAW x (ANDWconst [63] y))
 15950  	// cond:
 15951  	// result: (SRAW x y)
 15952  	for {
 15953  		x := v.Args[0]
 15954  		v_1 := v.Args[1]
 15955  		if v_1.Op != OpS390XANDWconst {
 15956  			break
 15957  		}
 15958  		if v_1.AuxInt != 63 {
 15959  			break
 15960  		}
 15961  		y := v_1.Args[0]
 15962  		v.reset(OpS390XSRAW)
 15963  		v.AddArg(x)
 15964  		v.AddArg(y)
 15965  		return true
 15966  	}
 15967  	return false
 15968  }
 15969  func rewriteValueS390X_OpS390XSRAWconst(v *Value, config *Config) bool {
 15970  	b := v.Block
 15971  	_ = b
 15972  	// match: (SRAWconst [c] (MOVDconst [d]))
 15973  	// cond:
 15974  	// result: (MOVDconst [d>>uint64(c)])
 15975  	for {
 15976  		c := v.AuxInt
 15977  		v_0 := v.Args[0]
 15978  		if v_0.Op != OpS390XMOVDconst {
 15979  			break
 15980  		}
 15981  		d := v_0.AuxInt
 15982  		v.reset(OpS390XMOVDconst)
 15983  		v.AuxInt = d >> uint64(c)
 15984  		return true
 15985  	}
 15986  	return false
 15987  }
 15988  func rewriteValueS390X_OpS390XSRD(v *Value, config *Config) bool {
 15989  	b := v.Block
 15990  	_ = b
 15991  	// match: (SRD x (MOVDconst [c]))
 15992  	// cond:
 15993  	// result: (SRDconst [c&63] x)
 15994  	for {
 15995  		x := v.Args[0]
 15996  		v_1 := v.Args[1]
 15997  		if v_1.Op != OpS390XMOVDconst {
 15998  			break
 15999  		}
 16000  		c := v_1.AuxInt
 16001  		v.reset(OpS390XSRDconst)
 16002  		v.AuxInt = c & 63
 16003  		v.AddArg(x)
 16004  		return true
 16005  	}
 16006  	// match: (SRD x (ANDconst [63] y))
 16007  	// cond:
 16008  	// result: (SRD x y)
 16009  	for {
 16010  		x := v.Args[0]
 16011  		v_1 := v.Args[1]
 16012  		if v_1.Op != OpS390XANDconst {
 16013  			break
 16014  		}
 16015  		if v_1.AuxInt != 63 {
 16016  			break
 16017  		}
 16018  		y := v_1.Args[0]
 16019  		v.reset(OpS390XSRD)
 16020  		v.AddArg(x)
 16021  		v.AddArg(y)
 16022  		return true
 16023  	}
 16024  	return false
 16025  }
 16026  func rewriteValueS390X_OpS390XSRW(v *Value, config *Config) bool {
 16027  	b := v.Block
 16028  	_ = b
 16029  	// match: (SRW x (MOVDconst [c]))
 16030  	// cond:
 16031  	// result: (SRWconst [c&63] x)
 16032  	for {
 16033  		x := v.Args[0]
 16034  		v_1 := v.Args[1]
 16035  		if v_1.Op != OpS390XMOVDconst {
 16036  			break
 16037  		}
 16038  		c := v_1.AuxInt
 16039  		v.reset(OpS390XSRWconst)
 16040  		v.AuxInt = c & 63
 16041  		v.AddArg(x)
 16042  		return true
 16043  	}
 16044  	// match: (SRW x (ANDWconst [63] y))
 16045  	// cond:
 16046  	// result: (SRW x y)
 16047  	for {
 16048  		x := v.Args[0]
 16049  		v_1 := v.Args[1]
 16050  		if v_1.Op != OpS390XANDWconst {
 16051  			break
 16052  		}
 16053  		if v_1.AuxInt != 63 {
 16054  			break
 16055  		}
 16056  		y := v_1.Args[0]
 16057  		v.reset(OpS390XSRW)
 16058  		v.AddArg(x)
 16059  		v.AddArg(y)
 16060  		return true
 16061  	}
 16062  	return false
 16063  }
 16064  func rewriteValueS390X_OpS390XSTM2(v *Value, config *Config) bool {
 16065  	b := v.Block
 16066  	_ = b
 16067  	// match: (STM2 [i] {s} p w2 w3 x:(STM2 [i-8] {s} p w0 w1 mem))
 16068  	// cond: x.Uses == 1   && is20Bit(i-8)   && clobber(x)
 16069  	// result: (STM4 [i-8] {s} p w0 w1 w2 w3 mem)
 16070  	for {
 16071  		i := v.AuxInt
 16072  		s := v.Aux
 16073  		p := v.Args[0]
 16074  		w2 := v.Args[1]
 16075  		w3 := v.Args[2]
 16076  		x := v.Args[3]
 16077  		if x.Op != OpS390XSTM2 {
 16078  			break
 16079  		}
 16080  		if x.AuxInt != i-8 {
 16081  			break
 16082  		}
 16083  		if x.Aux != s {
 16084  			break
 16085  		}
 16086  		if p != x.Args[0] {
 16087  			break
 16088  		}
 16089  		w0 := x.Args[1]
 16090  		w1 := x.Args[2]
 16091  		mem := x.Args[3]
 16092  		if !(x.Uses == 1 && is20Bit(i-8) && clobber(x)) {
 16093  			break
 16094  		}
 16095  		v.reset(OpS390XSTM4)
 16096  		v.AuxInt = i - 8
 16097  		v.Aux = s
 16098  		v.AddArg(p)
 16099  		v.AddArg(w0)
 16100  		v.AddArg(w1)
 16101  		v.AddArg(w2)
 16102  		v.AddArg(w3)
 16103  		v.AddArg(mem)
 16104  		return true
 16105  	}
 16106  	// match: (STM2 [i] {s} p (SRDconst [32] x) x mem)
 16107  	// cond:
 16108  	// result: (MOVDstore [i] {s} p x mem)
 16109  	for {
 16110  		i := v.AuxInt
 16111  		s := v.Aux
 16112  		p := v.Args[0]
 16113  		v_1 := v.Args[1]
 16114  		if v_1.Op != OpS390XSRDconst {
 16115  			break
 16116  		}
 16117  		if v_1.AuxInt != 32 {
 16118  			break
 16119  		}
 16120  		x := v_1.Args[0]
 16121  		if x != v.Args[2] {
 16122  			break
 16123  		}
 16124  		mem := v.Args[3]
 16125  		v.reset(OpS390XMOVDstore)
 16126  		v.AuxInt = i
 16127  		v.Aux = s
 16128  		v.AddArg(p)
 16129  		v.AddArg(x)
 16130  		v.AddArg(mem)
 16131  		return true
 16132  	}
 16133  	return false
 16134  }
 16135  func rewriteValueS390X_OpS390XSTMG2(v *Value, config *Config) bool {
 16136  	b := v.Block
 16137  	_ = b
 16138  	// match: (STMG2 [i] {s} p w2 w3 x:(STMG2 [i-16] {s} p w0 w1 mem))
 16139  	// cond: x.Uses == 1   && is20Bit(i-16)   && clobber(x)
 16140  	// result: (STMG4 [i-16] {s} p w0 w1 w2 w3 mem)
 16141  	for {
 16142  		i := v.AuxInt
 16143  		s := v.Aux
 16144  		p := v.Args[0]
 16145  		w2 := v.Args[1]
 16146  		w3 := v.Args[2]
 16147  		x := v.Args[3]
 16148  		if x.Op != OpS390XSTMG2 {
 16149  			break
 16150  		}
 16151  		if x.AuxInt != i-16 {
 16152  			break
 16153  		}
 16154  		if x.Aux != s {
 16155  			break
 16156  		}
 16157  		if p != x.Args[0] {
 16158  			break
 16159  		}
 16160  		w0 := x.Args[1]
 16161  		w1 := x.Args[2]
 16162  		mem := x.Args[3]
 16163  		if !(x.Uses == 1 && is20Bit(i-16) && clobber(x)) {
 16164  			break
 16165  		}
 16166  		v.reset(OpS390XSTMG4)
 16167  		v.AuxInt = i - 16
 16168  		v.Aux = s
 16169  		v.AddArg(p)
 16170  		v.AddArg(w0)
 16171  		v.AddArg(w1)
 16172  		v.AddArg(w2)
 16173  		v.AddArg(w3)
 16174  		v.AddArg(mem)
 16175  		return true
 16176  	}
 16177  	return false
 16178  }
 16179  func rewriteValueS390X_OpS390XSUB(v *Value, config *Config) bool {
 16180  	b := v.Block
 16181  	_ = b
 16182  	// match: (SUB x (MOVDconst [c]))
 16183  	// cond: is32Bit(c)
 16184  	// result: (SUBconst x [c])
 16185  	for {
 16186  		x := v.Args[0]
 16187  		v_1 := v.Args[1]
 16188  		if v_1.Op != OpS390XMOVDconst {
 16189  			break
 16190  		}
 16191  		c := v_1.AuxInt
 16192  		if !(is32Bit(c)) {
 16193  			break
 16194  		}
 16195  		v.reset(OpS390XSUBconst)
 16196  		v.AuxInt = c
 16197  		v.AddArg(x)
 16198  		return true
 16199  	}
 16200  	// match: (SUB (MOVDconst [c]) x)
 16201  	// cond: is32Bit(c)
 16202  	// result: (NEG (SUBconst <v.Type> x [c]))
 16203  	for {
 16204  		v_0 := v.Args[0]
 16205  		if v_0.Op != OpS390XMOVDconst {
 16206  			break
 16207  		}
 16208  		c := v_0.AuxInt
 16209  		x := v.Args[1]
 16210  		if !(is32Bit(c)) {
 16211  			break
 16212  		}
 16213  		v.reset(OpS390XNEG)
 16214  		v0 := b.NewValue0(v.Line, OpS390XSUBconst, v.Type)
 16215  		v0.AuxInt = c
 16216  		v0.AddArg(x)
 16217  		v.AddArg(v0)
 16218  		return true
 16219  	}
 16220  	// match: (SUB x x)
 16221  	// cond:
 16222  	// result: (MOVDconst [0])
 16223  	for {
 16224  		x := v.Args[0]
 16225  		if x != v.Args[1] {
 16226  			break
 16227  		}
 16228  		v.reset(OpS390XMOVDconst)
 16229  		v.AuxInt = 0
 16230  		return true
 16231  	}
 16232  	// match: (SUB <t> x g:(MOVDload [off] {sym} ptr mem))
 16233  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16234  	// result: (SUBload <t> [off] {sym} x ptr mem)
 16235  	for {
 16236  		t := v.Type
 16237  		x := v.Args[0]
 16238  		g := v.Args[1]
 16239  		if g.Op != OpS390XMOVDload {
 16240  			break
 16241  		}
 16242  		off := g.AuxInt
 16243  		sym := g.Aux
 16244  		ptr := g.Args[0]
 16245  		mem := g.Args[1]
 16246  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16247  			break
 16248  		}
 16249  		v.reset(OpS390XSUBload)
 16250  		v.Type = t
 16251  		v.AuxInt = off
 16252  		v.Aux = sym
 16253  		v.AddArg(x)
 16254  		v.AddArg(ptr)
 16255  		v.AddArg(mem)
 16256  		return true
 16257  	}
 16258  	return false
 16259  }
 16260  func rewriteValueS390X_OpS390XSUBEWcarrymask(v *Value, config *Config) bool {
 16261  	b := v.Block
 16262  	_ = b
 16263  	// match: (SUBEWcarrymask (FlagEQ))
 16264  	// cond:
 16265  	// result: (MOVDconst [-1])
 16266  	for {
 16267  		v_0 := v.Args[0]
 16268  		if v_0.Op != OpS390XFlagEQ {
 16269  			break
 16270  		}
 16271  		v.reset(OpS390XMOVDconst)
 16272  		v.AuxInt = -1
 16273  		return true
 16274  	}
 16275  	// match: (SUBEWcarrymask (FlagLT))
 16276  	// cond:
 16277  	// result: (MOVDconst [-1])
 16278  	for {
 16279  		v_0 := v.Args[0]
 16280  		if v_0.Op != OpS390XFlagLT {
 16281  			break
 16282  		}
 16283  		v.reset(OpS390XMOVDconst)
 16284  		v.AuxInt = -1
 16285  		return true
 16286  	}
 16287  	// match: (SUBEWcarrymask (FlagGT))
 16288  	// cond:
 16289  	// result: (MOVDconst [0])
 16290  	for {
 16291  		v_0 := v.Args[0]
 16292  		if v_0.Op != OpS390XFlagGT {
 16293  			break
 16294  		}
 16295  		v.reset(OpS390XMOVDconst)
 16296  		v.AuxInt = 0
 16297  		return true
 16298  	}
 16299  	return false
 16300  }
 16301  func rewriteValueS390X_OpS390XSUBEcarrymask(v *Value, config *Config) bool {
 16302  	b := v.Block
 16303  	_ = b
 16304  	// match: (SUBEcarrymask (FlagEQ))
 16305  	// cond:
 16306  	// result: (MOVDconst [-1])
 16307  	for {
 16308  		v_0 := v.Args[0]
 16309  		if v_0.Op != OpS390XFlagEQ {
 16310  			break
 16311  		}
 16312  		v.reset(OpS390XMOVDconst)
 16313  		v.AuxInt = -1
 16314  		return true
 16315  	}
 16316  	// match: (SUBEcarrymask (FlagLT))
 16317  	// cond:
 16318  	// result: (MOVDconst [-1])
 16319  	for {
 16320  		v_0 := v.Args[0]
 16321  		if v_0.Op != OpS390XFlagLT {
 16322  			break
 16323  		}
 16324  		v.reset(OpS390XMOVDconst)
 16325  		v.AuxInt = -1
 16326  		return true
 16327  	}
 16328  	// match: (SUBEcarrymask (FlagGT))
 16329  	// cond:
 16330  	// result: (MOVDconst [0])
 16331  	for {
 16332  		v_0 := v.Args[0]
 16333  		if v_0.Op != OpS390XFlagGT {
 16334  			break
 16335  		}
 16336  		v.reset(OpS390XMOVDconst)
 16337  		v.AuxInt = 0
 16338  		return true
 16339  	}
 16340  	return false
 16341  }
 16342  func rewriteValueS390X_OpS390XSUBW(v *Value, config *Config) bool {
 16343  	b := v.Block
 16344  	_ = b
 16345  	// match: (SUBW x (MOVDconst [c]))
 16346  	// cond:
 16347  	// result: (SUBWconst x [c])
 16348  	for {
 16349  		x := v.Args[0]
 16350  		v_1 := v.Args[1]
 16351  		if v_1.Op != OpS390XMOVDconst {
 16352  			break
 16353  		}
 16354  		c := v_1.AuxInt
 16355  		v.reset(OpS390XSUBWconst)
 16356  		v.AuxInt = c
 16357  		v.AddArg(x)
 16358  		return true
 16359  	}
 16360  	// match: (SUBW (MOVDconst [c]) x)
 16361  	// cond:
 16362  	// result: (NEGW (SUBWconst <v.Type> x [c]))
 16363  	for {
 16364  		v_0 := v.Args[0]
 16365  		if v_0.Op != OpS390XMOVDconst {
 16366  			break
 16367  		}
 16368  		c := v_0.AuxInt
 16369  		x := v.Args[1]
 16370  		v.reset(OpS390XNEGW)
 16371  		v0 := b.NewValue0(v.Line, OpS390XSUBWconst, v.Type)
 16372  		v0.AuxInt = c
 16373  		v0.AddArg(x)
 16374  		v.AddArg(v0)
 16375  		return true
 16376  	}
 16377  	// match: (SUBW x x)
 16378  	// cond:
 16379  	// result: (MOVDconst [0])
 16380  	for {
 16381  		x := v.Args[0]
 16382  		if x != v.Args[1] {
 16383  			break
 16384  		}
 16385  		v.reset(OpS390XMOVDconst)
 16386  		v.AuxInt = 0
 16387  		return true
 16388  	}
 16389  	// match: (SUBW <t> x g:(MOVWload [off] {sym} ptr mem))
 16390  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16391  	// result: (SUBWload <t> [off] {sym} x ptr mem)
 16392  	for {
 16393  		t := v.Type
 16394  		x := v.Args[0]
 16395  		g := v.Args[1]
 16396  		if g.Op != OpS390XMOVWload {
 16397  			break
 16398  		}
 16399  		off := g.AuxInt
 16400  		sym := g.Aux
 16401  		ptr := g.Args[0]
 16402  		mem := g.Args[1]
 16403  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16404  			break
 16405  		}
 16406  		v.reset(OpS390XSUBWload)
 16407  		v.Type = t
 16408  		v.AuxInt = off
 16409  		v.Aux = sym
 16410  		v.AddArg(x)
 16411  		v.AddArg(ptr)
 16412  		v.AddArg(mem)
 16413  		return true
 16414  	}
 16415  	// match: (SUBW <t> x g:(MOVWZload [off] {sym} ptr mem))
 16416  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16417  	// result: (SUBWload <t> [off] {sym} x ptr mem)
 16418  	for {
 16419  		t := v.Type
 16420  		x := v.Args[0]
 16421  		g := v.Args[1]
 16422  		if g.Op != OpS390XMOVWZload {
 16423  			break
 16424  		}
 16425  		off := g.AuxInt
 16426  		sym := g.Aux
 16427  		ptr := g.Args[0]
 16428  		mem := g.Args[1]
 16429  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16430  			break
 16431  		}
 16432  		v.reset(OpS390XSUBWload)
 16433  		v.Type = t
 16434  		v.AuxInt = off
 16435  		v.Aux = sym
 16436  		v.AddArg(x)
 16437  		v.AddArg(ptr)
 16438  		v.AddArg(mem)
 16439  		return true
 16440  	}
 16441  	return false
 16442  }
 16443  func rewriteValueS390X_OpS390XSUBWconst(v *Value, config *Config) bool {
 16444  	b := v.Block
 16445  	_ = b
 16446  	// match: (SUBWconst [c] x)
 16447  	// cond: int32(c) == 0
 16448  	// result: x
 16449  	for {
 16450  		c := v.AuxInt
 16451  		x := v.Args[0]
 16452  		if !(int32(c) == 0) {
 16453  			break
 16454  		}
 16455  		v.reset(OpCopy)
 16456  		v.Type = x.Type
 16457  		v.AddArg(x)
 16458  		return true
 16459  	}
 16460  	// match: (SUBWconst [c] x)
 16461  	// cond:
 16462  	// result: (ADDWconst [int64(int32(-c))] x)
 16463  	for {
 16464  		c := v.AuxInt
 16465  		x := v.Args[0]
 16466  		v.reset(OpS390XADDWconst)
 16467  		v.AuxInt = int64(int32(-c))
 16468  		v.AddArg(x)
 16469  		return true
 16470  	}
 16471  }
 16472  func rewriteValueS390X_OpS390XSUBconst(v *Value, config *Config) bool {
 16473  	b := v.Block
 16474  	_ = b
 16475  	// match: (SUBconst [0] x)
 16476  	// cond:
 16477  	// result: x
 16478  	for {
 16479  		if v.AuxInt != 0 {
 16480  			break
 16481  		}
 16482  		x := v.Args[0]
 16483  		v.reset(OpCopy)
 16484  		v.Type = x.Type
 16485  		v.AddArg(x)
 16486  		return true
 16487  	}
 16488  	// match: (SUBconst [c] x)
 16489  	// cond: c != -(1<<31)
 16490  	// result: (ADDconst [-c] x)
 16491  	for {
 16492  		c := v.AuxInt
 16493  		x := v.Args[0]
 16494  		if !(c != -(1 << 31)) {
 16495  			break
 16496  		}
 16497  		v.reset(OpS390XADDconst)
 16498  		v.AuxInt = -c
 16499  		v.AddArg(x)
 16500  		return true
 16501  	}
 16502  	// match: (SUBconst (MOVDconst [d]) [c])
 16503  	// cond:
 16504  	// result: (MOVDconst [d-c])
 16505  	for {
 16506  		c := v.AuxInt
 16507  		v_0 := v.Args[0]
 16508  		if v_0.Op != OpS390XMOVDconst {
 16509  			break
 16510  		}
 16511  		d := v_0.AuxInt
 16512  		v.reset(OpS390XMOVDconst)
 16513  		v.AuxInt = d - c
 16514  		return true
 16515  	}
 16516  	// match: (SUBconst (SUBconst x [d]) [c])
 16517  	// cond: is32Bit(-c-d)
 16518  	// result: (ADDconst [-c-d] x)
 16519  	for {
 16520  		c := v.AuxInt
 16521  		v_0 := v.Args[0]
 16522  		if v_0.Op != OpS390XSUBconst {
 16523  			break
 16524  		}
 16525  		d := v_0.AuxInt
 16526  		x := v_0.Args[0]
 16527  		if !(is32Bit(-c - d)) {
 16528  			break
 16529  		}
 16530  		v.reset(OpS390XADDconst)
 16531  		v.AuxInt = -c - d
 16532  		v.AddArg(x)
 16533  		return true
 16534  	}
 16535  	return false
 16536  }
 16537  func rewriteValueS390X_OpS390XXOR(v *Value, config *Config) bool {
 16538  	b := v.Block
 16539  	_ = b
 16540  	// match: (XOR x (MOVDconst [c]))
 16541  	// cond: isU32Bit(c)
 16542  	// result: (XORconst [c] x)
 16543  	for {
 16544  		x := v.Args[0]
 16545  		v_1 := v.Args[1]
 16546  		if v_1.Op != OpS390XMOVDconst {
 16547  			break
 16548  		}
 16549  		c := v_1.AuxInt
 16550  		if !(isU32Bit(c)) {
 16551  			break
 16552  		}
 16553  		v.reset(OpS390XXORconst)
 16554  		v.AuxInt = c
 16555  		v.AddArg(x)
 16556  		return true
 16557  	}
 16558  	// match: (XOR (MOVDconst [c]) x)
 16559  	// cond: isU32Bit(c)
 16560  	// result: (XORconst [c] x)
 16561  	for {
 16562  		v_0 := v.Args[0]
 16563  		if v_0.Op != OpS390XMOVDconst {
 16564  			break
 16565  		}
 16566  		c := v_0.AuxInt
 16567  		x := v.Args[1]
 16568  		if !(isU32Bit(c)) {
 16569  			break
 16570  		}
 16571  		v.reset(OpS390XXORconst)
 16572  		v.AuxInt = c
 16573  		v.AddArg(x)
 16574  		return true
 16575  	}
 16576  	// match: (XOR (MOVDconst [c]) (MOVDconst [d]))
 16577  	// cond:
 16578  	// result: (MOVDconst [c^d])
 16579  	for {
 16580  		v_0 := v.Args[0]
 16581  		if v_0.Op != OpS390XMOVDconst {
 16582  			break
 16583  		}
 16584  		c := v_0.AuxInt
 16585  		v_1 := v.Args[1]
 16586  		if v_1.Op != OpS390XMOVDconst {
 16587  			break
 16588  		}
 16589  		d := v_1.AuxInt
 16590  		v.reset(OpS390XMOVDconst)
 16591  		v.AuxInt = c ^ d
 16592  		return true
 16593  	}
 16594  	// match: (XOR x x)
 16595  	// cond:
 16596  	// result: (MOVDconst [0])
 16597  	for {
 16598  		x := v.Args[0]
 16599  		if x != v.Args[1] {
 16600  			break
 16601  		}
 16602  		v.reset(OpS390XMOVDconst)
 16603  		v.AuxInt = 0
 16604  		return true
 16605  	}
 16606  	// match: (XOR <t> x g:(MOVDload [off] {sym} ptr mem))
 16607  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16608  	// result: (XORload <t> [off] {sym} x ptr mem)
 16609  	for {
 16610  		t := v.Type
 16611  		x := v.Args[0]
 16612  		g := v.Args[1]
 16613  		if g.Op != OpS390XMOVDload {
 16614  			break
 16615  		}
 16616  		off := g.AuxInt
 16617  		sym := g.Aux
 16618  		ptr := g.Args[0]
 16619  		mem := g.Args[1]
 16620  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16621  			break
 16622  		}
 16623  		v.reset(OpS390XXORload)
 16624  		v.Type = t
 16625  		v.AuxInt = off
 16626  		v.Aux = sym
 16627  		v.AddArg(x)
 16628  		v.AddArg(ptr)
 16629  		v.AddArg(mem)
 16630  		return true
 16631  	}
 16632  	// match: (XOR <t> g:(MOVDload [off] {sym} ptr mem) x)
 16633  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16634  	// result: (XORload <t> [off] {sym} x ptr mem)
 16635  	for {
 16636  		t := v.Type
 16637  		g := v.Args[0]
 16638  		if g.Op != OpS390XMOVDload {
 16639  			break
 16640  		}
 16641  		off := g.AuxInt
 16642  		sym := g.Aux
 16643  		ptr := g.Args[0]
 16644  		mem := g.Args[1]
 16645  		x := v.Args[1]
 16646  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16647  			break
 16648  		}
 16649  		v.reset(OpS390XXORload)
 16650  		v.Type = t
 16651  		v.AuxInt = off
 16652  		v.Aux = sym
 16653  		v.AddArg(x)
 16654  		v.AddArg(ptr)
 16655  		v.AddArg(mem)
 16656  		return true
 16657  	}
 16658  	return false
 16659  }
 16660  func rewriteValueS390X_OpS390XXORW(v *Value, config *Config) bool {
 16661  	b := v.Block
 16662  	_ = b
 16663  	// match: (XORW x (MOVDconst [c]))
 16664  	// cond:
 16665  	// result: (XORWconst [c] x)
 16666  	for {
 16667  		x := v.Args[0]
 16668  		v_1 := v.Args[1]
 16669  		if v_1.Op != OpS390XMOVDconst {
 16670  			break
 16671  		}
 16672  		c := v_1.AuxInt
 16673  		v.reset(OpS390XXORWconst)
 16674  		v.AuxInt = c
 16675  		v.AddArg(x)
 16676  		return true
 16677  	}
 16678  	// match: (XORW (MOVDconst [c]) x)
 16679  	// cond:
 16680  	// result: (XORWconst [c] x)
 16681  	for {
 16682  		v_0 := v.Args[0]
 16683  		if v_0.Op != OpS390XMOVDconst {
 16684  			break
 16685  		}
 16686  		c := v_0.AuxInt
 16687  		x := v.Args[1]
 16688  		v.reset(OpS390XXORWconst)
 16689  		v.AuxInt = c
 16690  		v.AddArg(x)
 16691  		return true
 16692  	}
 16693  	// match: (XORW x x)
 16694  	// cond:
 16695  	// result: (MOVDconst [0])
 16696  	for {
 16697  		x := v.Args[0]
 16698  		if x != v.Args[1] {
 16699  			break
 16700  		}
 16701  		v.reset(OpS390XMOVDconst)
 16702  		v.AuxInt = 0
 16703  		return true
 16704  	}
 16705  	// match: (XORW <t> x g:(MOVWload [off] {sym} ptr mem))
 16706  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16707  	// result: (XORWload <t> [off] {sym} x ptr mem)
 16708  	for {
 16709  		t := v.Type
 16710  		x := v.Args[0]
 16711  		g := v.Args[1]
 16712  		if g.Op != OpS390XMOVWload {
 16713  			break
 16714  		}
 16715  		off := g.AuxInt
 16716  		sym := g.Aux
 16717  		ptr := g.Args[0]
 16718  		mem := g.Args[1]
 16719  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16720  			break
 16721  		}
 16722  		v.reset(OpS390XXORWload)
 16723  		v.Type = t
 16724  		v.AuxInt = off
 16725  		v.Aux = sym
 16726  		v.AddArg(x)
 16727  		v.AddArg(ptr)
 16728  		v.AddArg(mem)
 16729  		return true
 16730  	}
 16731  	// match: (XORW <t> g:(MOVWload [off] {sym} ptr mem) x)
 16732  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16733  	// result: (XORWload <t> [off] {sym} x ptr mem)
 16734  	for {
 16735  		t := v.Type
 16736  		g := v.Args[0]
 16737  		if g.Op != OpS390XMOVWload {
 16738  			break
 16739  		}
 16740  		off := g.AuxInt
 16741  		sym := g.Aux
 16742  		ptr := g.Args[0]
 16743  		mem := g.Args[1]
 16744  		x := v.Args[1]
 16745  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16746  			break
 16747  		}
 16748  		v.reset(OpS390XXORWload)
 16749  		v.Type = t
 16750  		v.AuxInt = off
 16751  		v.Aux = sym
 16752  		v.AddArg(x)
 16753  		v.AddArg(ptr)
 16754  		v.AddArg(mem)
 16755  		return true
 16756  	}
 16757  	// match: (XORW <t> x g:(MOVWZload [off] {sym} ptr mem))
 16758  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16759  	// result: (XORWload <t> [off] {sym} x ptr mem)
 16760  	for {
 16761  		t := v.Type
 16762  		x := v.Args[0]
 16763  		g := v.Args[1]
 16764  		if g.Op != OpS390XMOVWZload {
 16765  			break
 16766  		}
 16767  		off := g.AuxInt
 16768  		sym := g.Aux
 16769  		ptr := g.Args[0]
 16770  		mem := g.Args[1]
 16771  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16772  			break
 16773  		}
 16774  		v.reset(OpS390XXORWload)
 16775  		v.Type = t
 16776  		v.AuxInt = off
 16777  		v.Aux = sym
 16778  		v.AddArg(x)
 16779  		v.AddArg(ptr)
 16780  		v.AddArg(mem)
 16781  		return true
 16782  	}
 16783  	// match: (XORW <t> g:(MOVWZload [off] {sym} ptr mem) x)
 16784  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16785  	// result: (XORWload <t> [off] {sym} x ptr mem)
 16786  	for {
 16787  		t := v.Type
 16788  		g := v.Args[0]
 16789  		if g.Op != OpS390XMOVWZload {
 16790  			break
 16791  		}
 16792  		off := g.AuxInt
 16793  		sym := g.Aux
 16794  		ptr := g.Args[0]
 16795  		mem := g.Args[1]
 16796  		x := v.Args[1]
 16797  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16798  			break
 16799  		}
 16800  		v.reset(OpS390XXORWload)
 16801  		v.Type = t
 16802  		v.AuxInt = off
 16803  		v.Aux = sym
 16804  		v.AddArg(x)
 16805  		v.AddArg(ptr)
 16806  		v.AddArg(mem)
 16807  		return true
 16808  	}
 16809  	return false
 16810  }
 16811  func rewriteValueS390X_OpS390XXORWconst(v *Value, config *Config) bool {
 16812  	b := v.Block
 16813  	_ = b
 16814  	// match: (XORWconst [c] x)
 16815  	// cond: int32(c)==0
 16816  	// result: x
 16817  	for {
 16818  		c := v.AuxInt
 16819  		x := v.Args[0]
 16820  		if !(int32(c) == 0) {
 16821  			break
 16822  		}
 16823  		v.reset(OpCopy)
 16824  		v.Type = x.Type
 16825  		v.AddArg(x)
 16826  		return true
 16827  	}
 16828  	// match: (XORWconst [c] (MOVDconst [d]))
 16829  	// cond:
 16830  	// result: (MOVDconst [c^d])
 16831  	for {
 16832  		c := v.AuxInt
 16833  		v_0 := v.Args[0]
 16834  		if v_0.Op != OpS390XMOVDconst {
 16835  			break
 16836  		}
 16837  		d := v_0.AuxInt
 16838  		v.reset(OpS390XMOVDconst)
 16839  		v.AuxInt = c ^ d
 16840  		return true
 16841  	}
 16842  	return false
 16843  }
 16844  func rewriteValueS390X_OpS390XXORconst(v *Value, config *Config) bool {
 16845  	b := v.Block
 16846  	_ = b
 16847  	// match: (XORconst [0] x)
 16848  	// cond:
 16849  	// result: x
 16850  	for {
 16851  		if v.AuxInt != 0 {
 16852  			break
 16853  		}
 16854  		x := v.Args[0]
 16855  		v.reset(OpCopy)
 16856  		v.Type = x.Type
 16857  		v.AddArg(x)
 16858  		return true
 16859  	}
 16860  	// match: (XORconst [c] (MOVDconst [d]))
 16861  	// cond:
 16862  	// result: (MOVDconst [c^d])
 16863  	for {
 16864  		c := v.AuxInt
 16865  		v_0 := v.Args[0]
 16866  		if v_0.Op != OpS390XMOVDconst {
 16867  			break
 16868  		}
 16869  		d := v_0.AuxInt
 16870  		v.reset(OpS390XMOVDconst)
 16871  		v.AuxInt = c ^ d
 16872  		return true
 16873  	}
 16874  	return false
 16875  }
 16876  func rewriteValueS390X_OpSelect0(v *Value, config *Config) bool {
 16877  	b := v.Block
 16878  	_ = b
 16879  	// match: (Select0 <t> (AddTupleFirst32 tuple val))
 16880  	// cond:
 16881  	// result: (ADDW val (Select0 <t> tuple))
 16882  	for {
 16883  		t := v.Type
 16884  		v_0 := v.Args[0]
 16885  		if v_0.Op != OpS390XAddTupleFirst32 {
 16886  			break
 16887  		}
 16888  		tuple := v_0.Args[0]
 16889  		val := v_0.Args[1]
 16890  		v.reset(OpS390XADDW)
 16891  		v.AddArg(val)
 16892  		v0 := b.NewValue0(v.Line, OpSelect0, t)
 16893  		v0.AddArg(tuple)
 16894  		v.AddArg(v0)
 16895  		return true
 16896  	}
 16897  	// match: (Select0 <t> (AddTupleFirst64 tuple val))
 16898  	// cond:
 16899  	// result: (ADD val (Select0 <t> tuple))
 16900  	for {
 16901  		t := v.Type
 16902  		v_0 := v.Args[0]
 16903  		if v_0.Op != OpS390XAddTupleFirst64 {
 16904  			break
 16905  		}
 16906  		tuple := v_0.Args[0]
 16907  		val := v_0.Args[1]
 16908  		v.reset(OpS390XADD)
 16909  		v.AddArg(val)
 16910  		v0 := b.NewValue0(v.Line, OpSelect0, t)
 16911  		v0.AddArg(tuple)
 16912  		v.AddArg(v0)
 16913  		return true
 16914  	}
 16915  	return false
 16916  }
 16917  func rewriteValueS390X_OpSelect1(v *Value, config *Config) bool {
 16918  	b := v.Block
 16919  	_ = b
 16920  	// match: (Select1     (AddTupleFirst32 tuple _  ))
 16921  	// cond:
 16922  	// result: (Select1 tuple)
 16923  	for {
 16924  		v_0 := v.Args[0]
 16925  		if v_0.Op != OpS390XAddTupleFirst32 {
 16926  			break
 16927  		}
 16928  		tuple := v_0.Args[0]
 16929  		v.reset(OpSelect1)
 16930  		v.AddArg(tuple)
 16931  		return true
 16932  	}
 16933  	// match: (Select1     (AddTupleFirst64 tuple _  ))
 16934  	// cond:
 16935  	// result: (Select1 tuple)
 16936  	for {
 16937  		v_0 := v.Args[0]
 16938  		if v_0.Op != OpS390XAddTupleFirst64 {
 16939  			break
 16940  		}
 16941  		tuple := v_0.Args[0]
 16942  		v.reset(OpSelect1)
 16943  		v.AddArg(tuple)
 16944  		return true
 16945  	}
 16946  	return false
 16947  }
 16948  func rewriteValueS390X_OpSignExt16to32(v *Value, config *Config) bool {
 16949  	b := v.Block
 16950  	_ = b
 16951  	// match: (SignExt16to32 x)
 16952  	// cond:
 16953  	// result: (MOVHreg x)
 16954  	for {
 16955  		x := v.Args[0]
 16956  		v.reset(OpS390XMOVHreg)
 16957  		v.AddArg(x)
 16958  		return true
 16959  	}
 16960  }
 16961  func rewriteValueS390X_OpSignExt16to64(v *Value, config *Config) bool {
 16962  	b := v.Block
 16963  	_ = b
 16964  	// match: (SignExt16to64 x)
 16965  	// cond:
 16966  	// result: (MOVHreg x)
 16967  	for {
 16968  		x := v.Args[0]
 16969  		v.reset(OpS390XMOVHreg)
 16970  		v.AddArg(x)
 16971  		return true
 16972  	}
 16973  }
 16974  func rewriteValueS390X_OpSignExt32to64(v *Value, config *Config) bool {
 16975  	b := v.Block
 16976  	_ = b
 16977  	// match: (SignExt32to64 x)
 16978  	// cond:
 16979  	// result: (MOVWreg x)
 16980  	for {
 16981  		x := v.Args[0]
 16982  		v.reset(OpS390XMOVWreg)
 16983  		v.AddArg(x)
 16984  		return true
 16985  	}
 16986  }
 16987  func rewriteValueS390X_OpSignExt8to16(v *Value, config *Config) bool {
 16988  	b := v.Block
 16989  	_ = b
 16990  	// match: (SignExt8to16  x)
 16991  	// cond:
 16992  	// result: (MOVBreg x)
 16993  	for {
 16994  		x := v.Args[0]
 16995  		v.reset(OpS390XMOVBreg)
 16996  		v.AddArg(x)
 16997  		return true
 16998  	}
 16999  }
 17000  func rewriteValueS390X_OpSignExt8to32(v *Value, config *Config) bool {
 17001  	b := v.Block
 17002  	_ = b
 17003  	// match: (SignExt8to32  x)
 17004  	// cond:
 17005  	// result: (MOVBreg x)
 17006  	for {
 17007  		x := v.Args[0]
 17008  		v.reset(OpS390XMOVBreg)
 17009  		v.AddArg(x)
 17010  		return true
 17011  	}
 17012  }
 17013  func rewriteValueS390X_OpSignExt8to64(v *Value, config *Config) bool {
 17014  	b := v.Block
 17015  	_ = b
 17016  	// match: (SignExt8to64  x)
 17017  	// cond:
 17018  	// result: (MOVBreg x)
 17019  	for {
 17020  		x := v.Args[0]
 17021  		v.reset(OpS390XMOVBreg)
 17022  		v.AddArg(x)
 17023  		return true
 17024  	}
 17025  }
 17026  func rewriteValueS390X_OpSlicemask(v *Value, config *Config) bool {
 17027  	b := v.Block
 17028  	_ = b
 17029  	// match: (Slicemask <t> x)
 17030  	// cond:
 17031  	// result: (XOR (MOVDconst [-1]) (SRADconst <t> (SUBconst <t> x [1]) [63]))
 17032  	for {
 17033  		t := v.Type
 17034  		x := v.Args[0]
 17035  		v.reset(OpS390XXOR)
 17036  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
 17037  		v0.AuxInt = -1
 17038  		v.AddArg(v0)
 17039  		v1 := b.NewValue0(v.Line, OpS390XSRADconst, t)
 17040  		v1.AuxInt = 63
 17041  		v2 := b.NewValue0(v.Line, OpS390XSUBconst, t)
 17042  		v2.AuxInt = 1
 17043  		v2.AddArg(x)
 17044  		v1.AddArg(v2)
 17045  		v.AddArg(v1)
 17046  		return true
 17047  	}
 17048  }
 17049  func rewriteValueS390X_OpSqrt(v *Value, config *Config) bool {
 17050  	b := v.Block
 17051  	_ = b
 17052  	// match: (Sqrt x)
 17053  	// cond:
 17054  	// result: (FSQRT x)
 17055  	for {
 17056  		x := v.Args[0]
 17057  		v.reset(OpS390XFSQRT)
 17058  		v.AddArg(x)
 17059  		return true
 17060  	}
 17061  }
 17062  func rewriteValueS390X_OpStaticCall(v *Value, config *Config) bool {
 17063  	b := v.Block
 17064  	_ = b
 17065  	// match: (StaticCall [argwid] {target} mem)
 17066  	// cond:
 17067  	// result: (CALLstatic [argwid] {target} mem)
 17068  	for {
 17069  		argwid := v.AuxInt
 17070  		target := v.Aux
 17071  		mem := v.Args[0]
 17072  		v.reset(OpS390XCALLstatic)
 17073  		v.AuxInt = argwid
 17074  		v.Aux = target
 17075  		v.AddArg(mem)
 17076  		return true
 17077  	}
 17078  }
 17079  func rewriteValueS390X_OpStore(v *Value, config *Config) bool {
 17080  	b := v.Block
 17081  	_ = b
 17082  	// match: (Store [8] ptr val mem)
 17083  	// cond: is64BitFloat(val.Type)
 17084  	// result: (FMOVDstore ptr val mem)
 17085  	for {
 17086  		if v.AuxInt != 8 {
 17087  			break
 17088  		}
 17089  		ptr := v.Args[0]
 17090  		val := v.Args[1]
 17091  		mem := v.Args[2]
 17092  		if !(is64BitFloat(val.Type)) {
 17093  			break
 17094  		}
 17095  		v.reset(OpS390XFMOVDstore)
 17096  		v.AddArg(ptr)
 17097  		v.AddArg(val)
 17098  		v.AddArg(mem)
 17099  		return true
 17100  	}
 17101  	// match: (Store [4] ptr val mem)
 17102  	// cond: is32BitFloat(val.Type)
 17103  	// result: (FMOVSstore ptr val mem)
 17104  	for {
 17105  		if v.AuxInt != 4 {
 17106  			break
 17107  		}
 17108  		ptr := v.Args[0]
 17109  		val := v.Args[1]
 17110  		mem := v.Args[2]
 17111  		if !(is32BitFloat(val.Type)) {
 17112  			break
 17113  		}
 17114  		v.reset(OpS390XFMOVSstore)
 17115  		v.AddArg(ptr)
 17116  		v.AddArg(val)
 17117  		v.AddArg(mem)
 17118  		return true
 17119  	}
 17120  	// match: (Store [8] ptr val mem)
 17121  	// cond:
 17122  	// result: (MOVDstore ptr val mem)
 17123  	for {
 17124  		if v.AuxInt != 8 {
 17125  			break
 17126  		}
 17127  		ptr := v.Args[0]
 17128  		val := v.Args[1]
 17129  		mem := v.Args[2]
 17130  		v.reset(OpS390XMOVDstore)
 17131  		v.AddArg(ptr)
 17132  		v.AddArg(val)
 17133  		v.AddArg(mem)
 17134  		return true
 17135  	}
 17136  	// match: (Store [4] ptr val mem)
 17137  	// cond:
 17138  	// result: (MOVWstore ptr val mem)
 17139  	for {
 17140  		if v.AuxInt != 4 {
 17141  			break
 17142  		}
 17143  		ptr := v.Args[0]
 17144  		val := v.Args[1]
 17145  		mem := v.Args[2]
 17146  		v.reset(OpS390XMOVWstore)
 17147  		v.AddArg(ptr)
 17148  		v.AddArg(val)
 17149  		v.AddArg(mem)
 17150  		return true
 17151  	}
 17152  	// match: (Store [2] ptr val mem)
 17153  	// cond:
 17154  	// result: (MOVHstore ptr val mem)
 17155  	for {
 17156  		if v.AuxInt != 2 {
 17157  			break
 17158  		}
 17159  		ptr := v.Args[0]
 17160  		val := v.Args[1]
 17161  		mem := v.Args[2]
 17162  		v.reset(OpS390XMOVHstore)
 17163  		v.AddArg(ptr)
 17164  		v.AddArg(val)
 17165  		v.AddArg(mem)
 17166  		return true
 17167  	}
 17168  	// match: (Store [1] ptr val mem)
 17169  	// cond:
 17170  	// result: (MOVBstore ptr val mem)
 17171  	for {
 17172  		if v.AuxInt != 1 {
 17173  			break
 17174  		}
 17175  		ptr := v.Args[0]
 17176  		val := v.Args[1]
 17177  		mem := v.Args[2]
 17178  		v.reset(OpS390XMOVBstore)
 17179  		v.AddArg(ptr)
 17180  		v.AddArg(val)
 17181  		v.AddArg(mem)
 17182  		return true
 17183  	}
 17184  	return false
 17185  }
 17186  func rewriteValueS390X_OpSub16(v *Value, config *Config) bool {
 17187  	b := v.Block
 17188  	_ = b
 17189  	// match: (Sub16  x y)
 17190  	// cond:
 17191  	// result: (SUBW  x y)
 17192  	for {
 17193  		x := v.Args[0]
 17194  		y := v.Args[1]
 17195  		v.reset(OpS390XSUBW)
 17196  		v.AddArg(x)
 17197  		v.AddArg(y)
 17198  		return true
 17199  	}
 17200  }
 17201  func rewriteValueS390X_OpSub32(v *Value, config *Config) bool {
 17202  	b := v.Block
 17203  	_ = b
 17204  	// match: (Sub32  x y)
 17205  	// cond:
 17206  	// result: (SUBW  x y)
 17207  	for {
 17208  		x := v.Args[0]
 17209  		y := v.Args[1]
 17210  		v.reset(OpS390XSUBW)
 17211  		v.AddArg(x)
 17212  		v.AddArg(y)
 17213  		return true
 17214  	}
 17215  }
 17216  func rewriteValueS390X_OpSub32F(v *Value, config *Config) bool {
 17217  	b := v.Block
 17218  	_ = b
 17219  	// match: (Sub32F x y)
 17220  	// cond:
 17221  	// result: (FSUBS x y)
 17222  	for {
 17223  		x := v.Args[0]
 17224  		y := v.Args[1]
 17225  		v.reset(OpS390XFSUBS)
 17226  		v.AddArg(x)
 17227  		v.AddArg(y)
 17228  		return true
 17229  	}
 17230  }
 17231  func rewriteValueS390X_OpSub64(v *Value, config *Config) bool {
 17232  	b := v.Block
 17233  	_ = b
 17234  	// match: (Sub64  x y)
 17235  	// cond:
 17236  	// result: (SUB  x y)
 17237  	for {
 17238  		x := v.Args[0]
 17239  		y := v.Args[1]
 17240  		v.reset(OpS390XSUB)
 17241  		v.AddArg(x)
 17242  		v.AddArg(y)
 17243  		return true
 17244  	}
 17245  }
 17246  func rewriteValueS390X_OpSub64F(v *Value, config *Config) bool {
 17247  	b := v.Block
 17248  	_ = b
 17249  	// match: (Sub64F x y)
 17250  	// cond:
 17251  	// result: (FSUB x y)
 17252  	for {
 17253  		x := v.Args[0]
 17254  		y := v.Args[1]
 17255  		v.reset(OpS390XFSUB)
 17256  		v.AddArg(x)
 17257  		v.AddArg(y)
 17258  		return true
 17259  	}
 17260  }
 17261  func rewriteValueS390X_OpSub8(v *Value, config *Config) bool {
 17262  	b := v.Block
 17263  	_ = b
 17264  	// match: (Sub8   x y)
 17265  	// cond:
 17266  	// result: (SUBW  x y)
 17267  	for {
 17268  		x := v.Args[0]
 17269  		y := v.Args[1]
 17270  		v.reset(OpS390XSUBW)
 17271  		v.AddArg(x)
 17272  		v.AddArg(y)
 17273  		return true
 17274  	}
 17275  }
 17276  func rewriteValueS390X_OpSubPtr(v *Value, config *Config) bool {
 17277  	b := v.Block
 17278  	_ = b
 17279  	// match: (SubPtr x y)
 17280  	// cond:
 17281  	// result: (SUB  x y)
 17282  	for {
 17283  		x := v.Args[0]
 17284  		y := v.Args[1]
 17285  		v.reset(OpS390XSUB)
 17286  		v.AddArg(x)
 17287  		v.AddArg(y)
 17288  		return true
 17289  	}
 17290  }
 17291  func rewriteValueS390X_OpTrunc16to8(v *Value, config *Config) bool {
 17292  	b := v.Block
 17293  	_ = b
 17294  	// match: (Trunc16to8  x)
 17295  	// cond:
 17296  	// result: x
 17297  	for {
 17298  		x := v.Args[0]
 17299  		v.reset(OpCopy)
 17300  		v.Type = x.Type
 17301  		v.AddArg(x)
 17302  		return true
 17303  	}
 17304  }
 17305  func rewriteValueS390X_OpTrunc32to16(v *Value, config *Config) bool {
 17306  	b := v.Block
 17307  	_ = b
 17308  	// match: (Trunc32to16 x)
 17309  	// cond:
 17310  	// result: x
 17311  	for {
 17312  		x := v.Args[0]
 17313  		v.reset(OpCopy)
 17314  		v.Type = x.Type
 17315  		v.AddArg(x)
 17316  		return true
 17317  	}
 17318  }
 17319  func rewriteValueS390X_OpTrunc32to8(v *Value, config *Config) bool {
 17320  	b := v.Block
 17321  	_ = b
 17322  	// match: (Trunc32to8  x)
 17323  	// cond:
 17324  	// result: x
 17325  	for {
 17326  		x := v.Args[0]
 17327  		v.reset(OpCopy)
 17328  		v.Type = x.Type
 17329  		v.AddArg(x)
 17330  		return true
 17331  	}
 17332  }
 17333  func rewriteValueS390X_OpTrunc64to16(v *Value, config *Config) bool {
 17334  	b := v.Block
 17335  	_ = b
 17336  	// match: (Trunc64to16 x)
 17337  	// cond:
 17338  	// result: x
 17339  	for {
 17340  		x := v.Args[0]
 17341  		v.reset(OpCopy)
 17342  		v.Type = x.Type
 17343  		v.AddArg(x)
 17344  		return true
 17345  	}
 17346  }
 17347  func rewriteValueS390X_OpTrunc64to32(v *Value, config *Config) bool {
 17348  	b := v.Block
 17349  	_ = b
 17350  	// match: (Trunc64to32 x)
 17351  	// cond:
 17352  	// result: x
 17353  	for {
 17354  		x := v.Args[0]
 17355  		v.reset(OpCopy)
 17356  		v.Type = x.Type
 17357  		v.AddArg(x)
 17358  		return true
 17359  	}
 17360  }
 17361  func rewriteValueS390X_OpTrunc64to8(v *Value, config *Config) bool {
 17362  	b := v.Block
 17363  	_ = b
 17364  	// match: (Trunc64to8  x)
 17365  	// cond:
 17366  	// result: x
 17367  	for {
 17368  		x := v.Args[0]
 17369  		v.reset(OpCopy)
 17370  		v.Type = x.Type
 17371  		v.AddArg(x)
 17372  		return true
 17373  	}
 17374  }
 17375  func rewriteValueS390X_OpXor16(v *Value, config *Config) bool {
 17376  	b := v.Block
 17377  	_ = b
 17378  	// match: (Xor16 x y)
 17379  	// cond:
 17380  	// result: (XORW x y)
 17381  	for {
 17382  		x := v.Args[0]
 17383  		y := v.Args[1]
 17384  		v.reset(OpS390XXORW)
 17385  		v.AddArg(x)
 17386  		v.AddArg(y)
 17387  		return true
 17388  	}
 17389  }
 17390  func rewriteValueS390X_OpXor32(v *Value, config *Config) bool {
 17391  	b := v.Block
 17392  	_ = b
 17393  	// match: (Xor32 x y)
 17394  	// cond:
 17395  	// result: (XORW x y)
 17396  	for {
 17397  		x := v.Args[0]
 17398  		y := v.Args[1]
 17399  		v.reset(OpS390XXORW)
 17400  		v.AddArg(x)
 17401  		v.AddArg(y)
 17402  		return true
 17403  	}
 17404  }
 17405  func rewriteValueS390X_OpXor64(v *Value, config *Config) bool {
 17406  	b := v.Block
 17407  	_ = b
 17408  	// match: (Xor64 x y)
 17409  	// cond:
 17410  	// result: (XOR x y)
 17411  	for {
 17412  		x := v.Args[0]
 17413  		y := v.Args[1]
 17414  		v.reset(OpS390XXOR)
 17415  		v.AddArg(x)
 17416  		v.AddArg(y)
 17417  		return true
 17418  	}
 17419  }
 17420  func rewriteValueS390X_OpXor8(v *Value, config *Config) bool {
 17421  	b := v.Block
 17422  	_ = b
 17423  	// match: (Xor8  x y)
 17424  	// cond:
 17425  	// result: (XORW x y)
 17426  	for {
 17427  		x := v.Args[0]
 17428  		y := v.Args[1]
 17429  		v.reset(OpS390XXORW)
 17430  		v.AddArg(x)
 17431  		v.AddArg(y)
 17432  		return true
 17433  	}
 17434  }
 17435  func rewriteValueS390X_OpZero(v *Value, config *Config) bool {
 17436  	b := v.Block
 17437  	_ = b
 17438  	// match: (Zero [s] _ mem)
 17439  	// cond: SizeAndAlign(s).Size() == 0
 17440  	// result: mem
 17441  	for {
 17442  		s := v.AuxInt
 17443  		mem := v.Args[1]
 17444  		if !(SizeAndAlign(s).Size() == 0) {
 17445  			break
 17446  		}
 17447  		v.reset(OpCopy)
 17448  		v.Type = mem.Type
 17449  		v.AddArg(mem)
 17450  		return true
 17451  	}
 17452  	// match: (Zero [s] destptr mem)
 17453  	// cond: SizeAndAlign(s).Size() == 1
 17454  	// result: (MOVBstoreconst [0] destptr mem)
 17455  	for {
 17456  		s := v.AuxInt
 17457  		destptr := v.Args[0]
 17458  		mem := v.Args[1]
 17459  		if !(SizeAndAlign(s).Size() == 1) {
 17460  			break
 17461  		}
 17462  		v.reset(OpS390XMOVBstoreconst)
 17463  		v.AuxInt = 0
 17464  		v.AddArg(destptr)
 17465  		v.AddArg(mem)
 17466  		return true
 17467  	}
 17468  	// match: (Zero [s] destptr mem)
 17469  	// cond: SizeAndAlign(s).Size() == 2
 17470  	// result: (MOVHstoreconst [0] destptr mem)
 17471  	for {
 17472  		s := v.AuxInt
 17473  		destptr := v.Args[0]
 17474  		mem := v.Args[1]
 17475  		if !(SizeAndAlign(s).Size() == 2) {
 17476  			break
 17477  		}
 17478  		v.reset(OpS390XMOVHstoreconst)
 17479  		v.AuxInt = 0
 17480  		v.AddArg(destptr)
 17481  		v.AddArg(mem)
 17482  		return true
 17483  	}
 17484  	// match: (Zero [s] destptr mem)
 17485  	// cond: SizeAndAlign(s).Size() == 4
 17486  	// result: (MOVWstoreconst [0] destptr mem)
 17487  	for {
 17488  		s := v.AuxInt
 17489  		destptr := v.Args[0]
 17490  		mem := v.Args[1]
 17491  		if !(SizeAndAlign(s).Size() == 4) {
 17492  			break
 17493  		}
 17494  		v.reset(OpS390XMOVWstoreconst)
 17495  		v.AuxInt = 0
 17496  		v.AddArg(destptr)
 17497  		v.AddArg(mem)
 17498  		return true
 17499  	}
 17500  	// match: (Zero [s] destptr mem)
 17501  	// cond: SizeAndAlign(s).Size() == 8
 17502  	// result: (MOVDstoreconst [0] destptr mem)
 17503  	for {
 17504  		s := v.AuxInt
 17505  		destptr := v.Args[0]
 17506  		mem := v.Args[1]
 17507  		if !(SizeAndAlign(s).Size() == 8) {
 17508  			break
 17509  		}
 17510  		v.reset(OpS390XMOVDstoreconst)
 17511  		v.AuxInt = 0
 17512  		v.AddArg(destptr)
 17513  		v.AddArg(mem)
 17514  		return true
 17515  	}
 17516  	// match: (Zero [s] destptr mem)
 17517  	// cond: SizeAndAlign(s).Size() == 3
 17518  	// result: (MOVBstoreconst [makeValAndOff(0,2)] destptr 		(MOVHstoreconst [0] destptr mem))
 17519  	for {
 17520  		s := v.AuxInt
 17521  		destptr := v.Args[0]
 17522  		mem := v.Args[1]
 17523  		if !(SizeAndAlign(s).Size() == 3) {
 17524  			break
 17525  		}
 17526  		v.reset(OpS390XMOVBstoreconst)
 17527  		v.AuxInt = makeValAndOff(0, 2)
 17528  		v.AddArg(destptr)
 17529  		v0 := b.NewValue0(v.Line, OpS390XMOVHstoreconst, TypeMem)
 17530  		v0.AuxInt = 0
 17531  		v0.AddArg(destptr)
 17532  		v0.AddArg(mem)
 17533  		v.AddArg(v0)
 17534  		return true
 17535  	}
 17536  	// match: (Zero [s] destptr mem)
 17537  	// cond: SizeAndAlign(s).Size() == 5
 17538  	// result: (MOVBstoreconst [makeValAndOff(0,4)] destptr 		(MOVWstoreconst [0] destptr mem))
 17539  	for {
 17540  		s := v.AuxInt
 17541  		destptr := v.Args[0]
 17542  		mem := v.Args[1]
 17543  		if !(SizeAndAlign(s).Size() == 5) {
 17544  			break
 17545  		}
 17546  		v.reset(OpS390XMOVBstoreconst)
 17547  		v.AuxInt = makeValAndOff(0, 4)
 17548  		v.AddArg(destptr)
 17549  		v0 := b.NewValue0(v.Line, OpS390XMOVWstoreconst, TypeMem)
 17550  		v0.AuxInt = 0
 17551  		v0.AddArg(destptr)
 17552  		v0.AddArg(mem)
 17553  		v.AddArg(v0)
 17554  		return true
 17555  	}
 17556  	// match: (Zero [s] destptr mem)
 17557  	// cond: SizeAndAlign(s).Size() == 6
 17558  	// result: (MOVHstoreconst [makeValAndOff(0,4)] destptr 		(MOVWstoreconst [0] destptr mem))
 17559  	for {
 17560  		s := v.AuxInt
 17561  		destptr := v.Args[0]
 17562  		mem := v.Args[1]
 17563  		if !(SizeAndAlign(s).Size() == 6) {
 17564  			break
 17565  		}
 17566  		v.reset(OpS390XMOVHstoreconst)
 17567  		v.AuxInt = makeValAndOff(0, 4)
 17568  		v.AddArg(destptr)
 17569  		v0 := b.NewValue0(v.Line, OpS390XMOVWstoreconst, TypeMem)
 17570  		v0.AuxInt = 0
 17571  		v0.AddArg(destptr)
 17572  		v0.AddArg(mem)
 17573  		v.AddArg(v0)
 17574  		return true
 17575  	}
 17576  	// match: (Zero [s] destptr mem)
 17577  	// cond: SizeAndAlign(s).Size() == 7
 17578  	// result: (MOVWstoreconst [makeValAndOff(0,3)] destptr 		(MOVWstoreconst [0] destptr mem))
 17579  	for {
 17580  		s := v.AuxInt
 17581  		destptr := v.Args[0]
 17582  		mem := v.Args[1]
 17583  		if !(SizeAndAlign(s).Size() == 7) {
 17584  			break
 17585  		}
 17586  		v.reset(OpS390XMOVWstoreconst)
 17587  		v.AuxInt = makeValAndOff(0, 3)
 17588  		v.AddArg(destptr)
 17589  		v0 := b.NewValue0(v.Line, OpS390XMOVWstoreconst, TypeMem)
 17590  		v0.AuxInt = 0
 17591  		v0.AddArg(destptr)
 17592  		v0.AddArg(mem)
 17593  		v.AddArg(v0)
 17594  		return true
 17595  	}
 17596  	// match: (Zero [s] destptr mem)
 17597  	// cond: SizeAndAlign(s).Size() > 0 && SizeAndAlign(s).Size() <= 1024
 17598  	// result: (CLEAR [makeValAndOff(SizeAndAlign(s).Size(), 0)] destptr mem)
 17599  	for {
 17600  		s := v.AuxInt
 17601  		destptr := v.Args[0]
 17602  		mem := v.Args[1]
 17603  		if !(SizeAndAlign(s).Size() > 0 && SizeAndAlign(s).Size() <= 1024) {
 17604  			break
 17605  		}
 17606  		v.reset(OpS390XCLEAR)
 17607  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size(), 0)
 17608  		v.AddArg(destptr)
 17609  		v.AddArg(mem)
 17610  		return true
 17611  	}
 17612  	// match: (Zero [s] destptr mem)
 17613  	// cond: SizeAndAlign(s).Size() > 1024
 17614  	// result: (LoweredZero [SizeAndAlign(s).Size()%256] destptr (ADDconst <destptr.Type> destptr [(SizeAndAlign(s).Size()/256)*256]) mem)
 17615  	for {
 17616  		s := v.AuxInt
 17617  		destptr := v.Args[0]
 17618  		mem := v.Args[1]
 17619  		if !(SizeAndAlign(s).Size() > 1024) {
 17620  			break
 17621  		}
 17622  		v.reset(OpS390XLoweredZero)
 17623  		v.AuxInt = SizeAndAlign(s).Size() % 256
 17624  		v.AddArg(destptr)
 17625  		v0 := b.NewValue0(v.Line, OpS390XADDconst, destptr.Type)
 17626  		v0.AuxInt = (SizeAndAlign(s).Size() / 256) * 256
 17627  		v0.AddArg(destptr)
 17628  		v.AddArg(v0)
 17629  		v.AddArg(mem)
 17630  		return true
 17631  	}
 17632  	return false
 17633  }
 17634  func rewriteValueS390X_OpZeroExt16to32(v *Value, config *Config) bool {
 17635  	b := v.Block
 17636  	_ = b
 17637  	// match: (ZeroExt16to32 x)
 17638  	// cond:
 17639  	// result: (MOVHZreg x)
 17640  	for {
 17641  		x := v.Args[0]
 17642  		v.reset(OpS390XMOVHZreg)
 17643  		v.AddArg(x)
 17644  		return true
 17645  	}
 17646  }
 17647  func rewriteValueS390X_OpZeroExt16to64(v *Value, config *Config) bool {
 17648  	b := v.Block
 17649  	_ = b
 17650  	// match: (ZeroExt16to64 x)
 17651  	// cond:
 17652  	// result: (MOVHZreg x)
 17653  	for {
 17654  		x := v.Args[0]
 17655  		v.reset(OpS390XMOVHZreg)
 17656  		v.AddArg(x)
 17657  		return true
 17658  	}
 17659  }
 17660  func rewriteValueS390X_OpZeroExt32to64(v *Value, config *Config) bool {
 17661  	b := v.Block
 17662  	_ = b
 17663  	// match: (ZeroExt32to64 x)
 17664  	// cond:
 17665  	// result: (MOVWZreg x)
 17666  	for {
 17667  		x := v.Args[0]
 17668  		v.reset(OpS390XMOVWZreg)
 17669  		v.AddArg(x)
 17670  		return true
 17671  	}
 17672  }
 17673  func rewriteValueS390X_OpZeroExt8to16(v *Value, config *Config) bool {
 17674  	b := v.Block
 17675  	_ = b
 17676  	// match: (ZeroExt8to16  x)
 17677  	// cond:
 17678  	// result: (MOVBZreg x)
 17679  	for {
 17680  		x := v.Args[0]
 17681  		v.reset(OpS390XMOVBZreg)
 17682  		v.AddArg(x)
 17683  		return true
 17684  	}
 17685  }
 17686  func rewriteValueS390X_OpZeroExt8to32(v *Value, config *Config) bool {
 17687  	b := v.Block
 17688  	_ = b
 17689  	// match: (ZeroExt8to32  x)
 17690  	// cond:
 17691  	// result: (MOVBZreg x)
 17692  	for {
 17693  		x := v.Args[0]
 17694  		v.reset(OpS390XMOVBZreg)
 17695  		v.AddArg(x)
 17696  		return true
 17697  	}
 17698  }
 17699  func rewriteValueS390X_OpZeroExt8to64(v *Value, config *Config) bool {
 17700  	b := v.Block
 17701  	_ = b
 17702  	// match: (ZeroExt8to64  x)
 17703  	// cond:
 17704  	// result: (MOVBZreg x)
 17705  	for {
 17706  		x := v.Args[0]
 17707  		v.reset(OpS390XMOVBZreg)
 17708  		v.AddArg(x)
 17709  		return true
 17710  	}
 17711  }
 17712  func rewriteBlockS390X(b *Block, config *Config) bool {
 17713  	switch b.Kind {
 17714  	case BlockS390XEQ:
 17715  		// match: (EQ (InvertFlags cmp) yes no)
 17716  		// cond:
 17717  		// result: (EQ cmp yes no)
 17718  		for {
 17719  			v := b.Control
 17720  			if v.Op != OpS390XInvertFlags {
 17721  				break
 17722  			}
 17723  			cmp := v.Args[0]
 17724  			yes := b.Succs[0]
 17725  			no := b.Succs[1]
 17726  			b.Kind = BlockS390XEQ
 17727  			b.SetControl(cmp)
 17728  			_ = yes
 17729  			_ = no
 17730  			return true
 17731  		}
 17732  		// match: (EQ (FlagEQ) yes no)
 17733  		// cond:
 17734  		// result: (First nil yes no)
 17735  		for {
 17736  			v := b.Control
 17737  			if v.Op != OpS390XFlagEQ {
 17738  				break
 17739  			}
 17740  			yes := b.Succs[0]
 17741  			no := b.Succs[1]
 17742  			b.Kind = BlockFirst
 17743  			b.SetControl(nil)
 17744  			_ = yes
 17745  			_ = no
 17746  			return true
 17747  		}
 17748  		// match: (EQ (FlagLT) yes no)
 17749  		// cond:
 17750  		// result: (First nil no yes)
 17751  		for {
 17752  			v := b.Control
 17753  			if v.Op != OpS390XFlagLT {
 17754  				break
 17755  			}
 17756  			yes := b.Succs[0]
 17757  			no := b.Succs[1]
 17758  			b.Kind = BlockFirst
 17759  			b.SetControl(nil)
 17760  			b.swapSuccessors()
 17761  			_ = no
 17762  			_ = yes
 17763  			return true
 17764  		}
 17765  		// match: (EQ (FlagGT) yes no)
 17766  		// cond:
 17767  		// result: (First nil no yes)
 17768  		for {
 17769  			v := b.Control
 17770  			if v.Op != OpS390XFlagGT {
 17771  				break
 17772  			}
 17773  			yes := b.Succs[0]
 17774  			no := b.Succs[1]
 17775  			b.Kind = BlockFirst
 17776  			b.SetControl(nil)
 17777  			b.swapSuccessors()
 17778  			_ = no
 17779  			_ = yes
 17780  			return true
 17781  		}
 17782  	case BlockS390XGE:
 17783  		// match: (GE (InvertFlags cmp) yes no)
 17784  		// cond:
 17785  		// result: (LE cmp yes no)
 17786  		for {
 17787  			v := b.Control
 17788  			if v.Op != OpS390XInvertFlags {
 17789  				break
 17790  			}
 17791  			cmp := v.Args[0]
 17792  			yes := b.Succs[0]
 17793  			no := b.Succs[1]
 17794  			b.Kind = BlockS390XLE
 17795  			b.SetControl(cmp)
 17796  			_ = yes
 17797  			_ = no
 17798  			return true
 17799  		}
 17800  		// match: (GE (FlagEQ) yes no)
 17801  		// cond:
 17802  		// result: (First nil yes no)
 17803  		for {
 17804  			v := b.Control
 17805  			if v.Op != OpS390XFlagEQ {
 17806  				break
 17807  			}
 17808  			yes := b.Succs[0]
 17809  			no := b.Succs[1]
 17810  			b.Kind = BlockFirst
 17811  			b.SetControl(nil)
 17812  			_ = yes
 17813  			_ = no
 17814  			return true
 17815  		}
 17816  		// match: (GE (FlagLT) yes no)
 17817  		// cond:
 17818  		// result: (First nil no yes)
 17819  		for {
 17820  			v := b.Control
 17821  			if v.Op != OpS390XFlagLT {
 17822  				break
 17823  			}
 17824  			yes := b.Succs[0]
 17825  			no := b.Succs[1]
 17826  			b.Kind = BlockFirst
 17827  			b.SetControl(nil)
 17828  			b.swapSuccessors()
 17829  			_ = no
 17830  			_ = yes
 17831  			return true
 17832  		}
 17833  		// match: (GE (FlagGT) yes no)
 17834  		// cond:
 17835  		// result: (First nil yes no)
 17836  		for {
 17837  			v := b.Control
 17838  			if v.Op != OpS390XFlagGT {
 17839  				break
 17840  			}
 17841  			yes := b.Succs[0]
 17842  			no := b.Succs[1]
 17843  			b.Kind = BlockFirst
 17844  			b.SetControl(nil)
 17845  			_ = yes
 17846  			_ = no
 17847  			return true
 17848  		}
 17849  	case BlockS390XGT:
 17850  		// match: (GT (InvertFlags cmp) yes no)
 17851  		// cond:
 17852  		// result: (LT cmp yes no)
 17853  		for {
 17854  			v := b.Control
 17855  			if v.Op != OpS390XInvertFlags {
 17856  				break
 17857  			}
 17858  			cmp := v.Args[0]
 17859  			yes := b.Succs[0]
 17860  			no := b.Succs[1]
 17861  			b.Kind = BlockS390XLT
 17862  			b.SetControl(cmp)
 17863  			_ = yes
 17864  			_ = no
 17865  			return true
 17866  		}
 17867  		// match: (GT (FlagEQ) yes no)
 17868  		// cond:
 17869  		// result: (First nil no yes)
 17870  		for {
 17871  			v := b.Control
 17872  			if v.Op != OpS390XFlagEQ {
 17873  				break
 17874  			}
 17875  			yes := b.Succs[0]
 17876  			no := b.Succs[1]
 17877  			b.Kind = BlockFirst
 17878  			b.SetControl(nil)
 17879  			b.swapSuccessors()
 17880  			_ = no
 17881  			_ = yes
 17882  			return true
 17883  		}
 17884  		// match: (GT (FlagLT) yes no)
 17885  		// cond:
 17886  		// result: (First nil no yes)
 17887  		for {
 17888  			v := b.Control
 17889  			if v.Op != OpS390XFlagLT {
 17890  				break
 17891  			}
 17892  			yes := b.Succs[0]
 17893  			no := b.Succs[1]
 17894  			b.Kind = BlockFirst
 17895  			b.SetControl(nil)
 17896  			b.swapSuccessors()
 17897  			_ = no
 17898  			_ = yes
 17899  			return true
 17900  		}
 17901  		// match: (GT (FlagGT) yes no)
 17902  		// cond:
 17903  		// result: (First nil yes no)
 17904  		for {
 17905  			v := b.Control
 17906  			if v.Op != OpS390XFlagGT {
 17907  				break
 17908  			}
 17909  			yes := b.Succs[0]
 17910  			no := b.Succs[1]
 17911  			b.Kind = BlockFirst
 17912  			b.SetControl(nil)
 17913  			_ = yes
 17914  			_ = no
 17915  			return true
 17916  		}
 17917  	case BlockIf:
 17918  		// match: (If (MOVDLT (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 17919  		// cond:
 17920  		// result: (LT cmp yes no)
 17921  		for {
 17922  			v := b.Control
 17923  			if v.Op != OpS390XMOVDLT {
 17924  				break
 17925  			}
 17926  			v_0 := v.Args[0]
 17927  			if v_0.Op != OpS390XMOVDconst {
 17928  				break
 17929  			}
 17930  			if v_0.AuxInt != 0 {
 17931  				break
 17932  			}
 17933  			v_1 := v.Args[1]
 17934  			if v_1.Op != OpS390XMOVDconst {
 17935  				break
 17936  			}
 17937  			if v_1.AuxInt != 1 {
 17938  				break
 17939  			}
 17940  			cmp := v.Args[2]
 17941  			yes := b.Succs[0]
 17942  			no := b.Succs[1]
 17943  			b.Kind = BlockS390XLT
 17944  			b.SetControl(cmp)
 17945  			_ = yes
 17946  			_ = no
 17947  			return true
 17948  		}
 17949  		// match: (If (MOVDLE (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 17950  		// cond:
 17951  		// result: (LE cmp yes no)
 17952  		for {
 17953  			v := b.Control
 17954  			if v.Op != OpS390XMOVDLE {
 17955  				break
 17956  			}
 17957  			v_0 := v.Args[0]
 17958  			if v_0.Op != OpS390XMOVDconst {
 17959  				break
 17960  			}
 17961  			if v_0.AuxInt != 0 {
 17962  				break
 17963  			}
 17964  			v_1 := v.Args[1]
 17965  			if v_1.Op != OpS390XMOVDconst {
 17966  				break
 17967  			}
 17968  			if v_1.AuxInt != 1 {
 17969  				break
 17970  			}
 17971  			cmp := v.Args[2]
 17972  			yes := b.Succs[0]
 17973  			no := b.Succs[1]
 17974  			b.Kind = BlockS390XLE
 17975  			b.SetControl(cmp)
 17976  			_ = yes
 17977  			_ = no
 17978  			return true
 17979  		}
 17980  		// match: (If (MOVDGT (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 17981  		// cond:
 17982  		// result: (GT cmp yes no)
 17983  		for {
 17984  			v := b.Control
 17985  			if v.Op != OpS390XMOVDGT {
 17986  				break
 17987  			}
 17988  			v_0 := v.Args[0]
 17989  			if v_0.Op != OpS390XMOVDconst {
 17990  				break
 17991  			}
 17992  			if v_0.AuxInt != 0 {
 17993  				break
 17994  			}
 17995  			v_1 := v.Args[1]
 17996  			if v_1.Op != OpS390XMOVDconst {
 17997  				break
 17998  			}
 17999  			if v_1.AuxInt != 1 {
 18000  				break
 18001  			}
 18002  			cmp := v.Args[2]
 18003  			yes := b.Succs[0]
 18004  			no := b.Succs[1]
 18005  			b.Kind = BlockS390XGT
 18006  			b.SetControl(cmp)
 18007  			_ = yes
 18008  			_ = no
 18009  			return true
 18010  		}
 18011  		// match: (If (MOVDGE (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18012  		// cond:
 18013  		// result: (GE cmp yes no)
 18014  		for {
 18015  			v := b.Control
 18016  			if v.Op != OpS390XMOVDGE {
 18017  				break
 18018  			}
 18019  			v_0 := v.Args[0]
 18020  			if v_0.Op != OpS390XMOVDconst {
 18021  				break
 18022  			}
 18023  			if v_0.AuxInt != 0 {
 18024  				break
 18025  			}
 18026  			v_1 := v.Args[1]
 18027  			if v_1.Op != OpS390XMOVDconst {
 18028  				break
 18029  			}
 18030  			if v_1.AuxInt != 1 {
 18031  				break
 18032  			}
 18033  			cmp := v.Args[2]
 18034  			yes := b.Succs[0]
 18035  			no := b.Succs[1]
 18036  			b.Kind = BlockS390XGE
 18037  			b.SetControl(cmp)
 18038  			_ = yes
 18039  			_ = no
 18040  			return true
 18041  		}
 18042  		// match: (If (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18043  		// cond:
 18044  		// result: (EQ cmp yes no)
 18045  		for {
 18046  			v := b.Control
 18047  			if v.Op != OpS390XMOVDEQ {
 18048  				break
 18049  			}
 18050  			v_0 := v.Args[0]
 18051  			if v_0.Op != OpS390XMOVDconst {
 18052  				break
 18053  			}
 18054  			if v_0.AuxInt != 0 {
 18055  				break
 18056  			}
 18057  			v_1 := v.Args[1]
 18058  			if v_1.Op != OpS390XMOVDconst {
 18059  				break
 18060  			}
 18061  			if v_1.AuxInt != 1 {
 18062  				break
 18063  			}
 18064  			cmp := v.Args[2]
 18065  			yes := b.Succs[0]
 18066  			no := b.Succs[1]
 18067  			b.Kind = BlockS390XEQ
 18068  			b.SetControl(cmp)
 18069  			_ = yes
 18070  			_ = no
 18071  			return true
 18072  		}
 18073  		// match: (If (MOVDNE (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18074  		// cond:
 18075  		// result: (NE cmp yes no)
 18076  		for {
 18077  			v := b.Control
 18078  			if v.Op != OpS390XMOVDNE {
 18079  				break
 18080  			}
 18081  			v_0 := v.Args[0]
 18082  			if v_0.Op != OpS390XMOVDconst {
 18083  				break
 18084  			}
 18085  			if v_0.AuxInt != 0 {
 18086  				break
 18087  			}
 18088  			v_1 := v.Args[1]
 18089  			if v_1.Op != OpS390XMOVDconst {
 18090  				break
 18091  			}
 18092  			if v_1.AuxInt != 1 {
 18093  				break
 18094  			}
 18095  			cmp := v.Args[2]
 18096  			yes := b.Succs[0]
 18097  			no := b.Succs[1]
 18098  			b.Kind = BlockS390XNE
 18099  			b.SetControl(cmp)
 18100  			_ = yes
 18101  			_ = no
 18102  			return true
 18103  		}
 18104  		// match: (If (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18105  		// cond:
 18106  		// result: (GTF cmp yes no)
 18107  		for {
 18108  			v := b.Control
 18109  			if v.Op != OpS390XMOVDGTnoinv {
 18110  				break
 18111  			}
 18112  			v_0 := v.Args[0]
 18113  			if v_0.Op != OpS390XMOVDconst {
 18114  				break
 18115  			}
 18116  			if v_0.AuxInt != 0 {
 18117  				break
 18118  			}
 18119  			v_1 := v.Args[1]
 18120  			if v_1.Op != OpS390XMOVDconst {
 18121  				break
 18122  			}
 18123  			if v_1.AuxInt != 1 {
 18124  				break
 18125  			}
 18126  			cmp := v.Args[2]
 18127  			yes := b.Succs[0]
 18128  			no := b.Succs[1]
 18129  			b.Kind = BlockS390XGTF
 18130  			b.SetControl(cmp)
 18131  			_ = yes
 18132  			_ = no
 18133  			return true
 18134  		}
 18135  		// match: (If (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18136  		// cond:
 18137  		// result: (GEF cmp yes no)
 18138  		for {
 18139  			v := b.Control
 18140  			if v.Op != OpS390XMOVDGEnoinv {
 18141  				break
 18142  			}
 18143  			v_0 := v.Args[0]
 18144  			if v_0.Op != OpS390XMOVDconst {
 18145  				break
 18146  			}
 18147  			if v_0.AuxInt != 0 {
 18148  				break
 18149  			}
 18150  			v_1 := v.Args[1]
 18151  			if v_1.Op != OpS390XMOVDconst {
 18152  				break
 18153  			}
 18154  			if v_1.AuxInt != 1 {
 18155  				break
 18156  			}
 18157  			cmp := v.Args[2]
 18158  			yes := b.Succs[0]
 18159  			no := b.Succs[1]
 18160  			b.Kind = BlockS390XGEF
 18161  			b.SetControl(cmp)
 18162  			_ = yes
 18163  			_ = no
 18164  			return true
 18165  		}
 18166  		// match: (If cond yes no)
 18167  		// cond:
 18168  		// result: (NE (CMPWconst [0] (MOVBZreg cond)) yes no)
 18169  		for {
 18170  			v := b.Control
 18171  			_ = v
 18172  			cond := b.Control
 18173  			yes := b.Succs[0]
 18174  			no := b.Succs[1]
 18175  			b.Kind = BlockS390XNE
 18176  			v0 := b.NewValue0(v.Line, OpS390XCMPWconst, TypeFlags)
 18177  			v0.AuxInt = 0
 18178  			v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
 18179  			v1.AddArg(cond)
 18180  			v0.AddArg(v1)
 18181  			b.SetControl(v0)
 18182  			_ = yes
 18183  			_ = no
 18184  			return true
 18185  		}
 18186  	case BlockS390XLE:
 18187  		// match: (LE (InvertFlags cmp) yes no)
 18188  		// cond:
 18189  		// result: (GE cmp yes no)
 18190  		for {
 18191  			v := b.Control
 18192  			if v.Op != OpS390XInvertFlags {
 18193  				break
 18194  			}
 18195  			cmp := v.Args[0]
 18196  			yes := b.Succs[0]
 18197  			no := b.Succs[1]
 18198  			b.Kind = BlockS390XGE
 18199  			b.SetControl(cmp)
 18200  			_ = yes
 18201  			_ = no
 18202  			return true
 18203  		}
 18204  		// match: (LE (FlagEQ) yes no)
 18205  		// cond:
 18206  		// result: (First nil yes no)
 18207  		for {
 18208  			v := b.Control
 18209  			if v.Op != OpS390XFlagEQ {
 18210  				break
 18211  			}
 18212  			yes := b.Succs[0]
 18213  			no := b.Succs[1]
 18214  			b.Kind = BlockFirst
 18215  			b.SetControl(nil)
 18216  			_ = yes
 18217  			_ = no
 18218  			return true
 18219  		}
 18220  		// match: (LE (FlagLT) yes no)
 18221  		// cond:
 18222  		// result: (First nil yes no)
 18223  		for {
 18224  			v := b.Control
 18225  			if v.Op != OpS390XFlagLT {
 18226  				break
 18227  			}
 18228  			yes := b.Succs[0]
 18229  			no := b.Succs[1]
 18230  			b.Kind = BlockFirst
 18231  			b.SetControl(nil)
 18232  			_ = yes
 18233  			_ = no
 18234  			return true
 18235  		}
 18236  		// match: (LE (FlagGT) yes no)
 18237  		// cond:
 18238  		// result: (First nil no yes)
 18239  		for {
 18240  			v := b.Control
 18241  			if v.Op != OpS390XFlagGT {
 18242  				break
 18243  			}
 18244  			yes := b.Succs[0]
 18245  			no := b.Succs[1]
 18246  			b.Kind = BlockFirst
 18247  			b.SetControl(nil)
 18248  			b.swapSuccessors()
 18249  			_ = no
 18250  			_ = yes
 18251  			return true
 18252  		}
 18253  	case BlockS390XLT:
 18254  		// match: (LT (InvertFlags cmp) yes no)
 18255  		// cond:
 18256  		// result: (GT cmp yes no)
 18257  		for {
 18258  			v := b.Control
 18259  			if v.Op != OpS390XInvertFlags {
 18260  				break
 18261  			}
 18262  			cmp := v.Args[0]
 18263  			yes := b.Succs[0]
 18264  			no := b.Succs[1]
 18265  			b.Kind = BlockS390XGT
 18266  			b.SetControl(cmp)
 18267  			_ = yes
 18268  			_ = no
 18269  			return true
 18270  		}
 18271  		// match: (LT (FlagEQ) yes no)
 18272  		// cond:
 18273  		// result: (First nil no yes)
 18274  		for {
 18275  			v := b.Control
 18276  			if v.Op != OpS390XFlagEQ {
 18277  				break
 18278  			}
 18279  			yes := b.Succs[0]
 18280  			no := b.Succs[1]
 18281  			b.Kind = BlockFirst
 18282  			b.SetControl(nil)
 18283  			b.swapSuccessors()
 18284  			_ = no
 18285  			_ = yes
 18286  			return true
 18287  		}
 18288  		// match: (LT (FlagLT) yes no)
 18289  		// cond:
 18290  		// result: (First nil yes no)
 18291  		for {
 18292  			v := b.Control
 18293  			if v.Op != OpS390XFlagLT {
 18294  				break
 18295  			}
 18296  			yes := b.Succs[0]
 18297  			no := b.Succs[1]
 18298  			b.Kind = BlockFirst
 18299  			b.SetControl(nil)
 18300  			_ = yes
 18301  			_ = no
 18302  			return true
 18303  		}
 18304  		// match: (LT (FlagGT) yes no)
 18305  		// cond:
 18306  		// result: (First nil no yes)
 18307  		for {
 18308  			v := b.Control
 18309  			if v.Op != OpS390XFlagGT {
 18310  				break
 18311  			}
 18312  			yes := b.Succs[0]
 18313  			no := b.Succs[1]
 18314  			b.Kind = BlockFirst
 18315  			b.SetControl(nil)
 18316  			b.swapSuccessors()
 18317  			_ = no
 18318  			_ = yes
 18319  			return true
 18320  		}
 18321  	case BlockS390XNE:
 18322  		// match: (NE (CMPWconst [0] (MOVDLT (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18323  		// cond:
 18324  		// result: (LT cmp yes no)
 18325  		for {
 18326  			v := b.Control
 18327  			if v.Op != OpS390XCMPWconst {
 18328  				break
 18329  			}
 18330  			if v.AuxInt != 0 {
 18331  				break
 18332  			}
 18333  			v_0 := v.Args[0]
 18334  			if v_0.Op != OpS390XMOVDLT {
 18335  				break
 18336  			}
 18337  			v_0_0 := v_0.Args[0]
 18338  			if v_0_0.Op != OpS390XMOVDconst {
 18339  				break
 18340  			}
 18341  			if v_0_0.AuxInt != 0 {
 18342  				break
 18343  			}
 18344  			v_0_1 := v_0.Args[1]
 18345  			if v_0_1.Op != OpS390XMOVDconst {
 18346  				break
 18347  			}
 18348  			if v_0_1.AuxInt != 1 {
 18349  				break
 18350  			}
 18351  			cmp := v_0.Args[2]
 18352  			yes := b.Succs[0]
 18353  			no := b.Succs[1]
 18354  			b.Kind = BlockS390XLT
 18355  			b.SetControl(cmp)
 18356  			_ = yes
 18357  			_ = no
 18358  			return true
 18359  		}
 18360  		// match: (NE (CMPWconst [0] (MOVDLE (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18361  		// cond:
 18362  		// result: (LE cmp yes no)
 18363  		for {
 18364  			v := b.Control
 18365  			if v.Op != OpS390XCMPWconst {
 18366  				break
 18367  			}
 18368  			if v.AuxInt != 0 {
 18369  				break
 18370  			}
 18371  			v_0 := v.Args[0]
 18372  			if v_0.Op != OpS390XMOVDLE {
 18373  				break
 18374  			}
 18375  			v_0_0 := v_0.Args[0]
 18376  			if v_0_0.Op != OpS390XMOVDconst {
 18377  				break
 18378  			}
 18379  			if v_0_0.AuxInt != 0 {
 18380  				break
 18381  			}
 18382  			v_0_1 := v_0.Args[1]
 18383  			if v_0_1.Op != OpS390XMOVDconst {
 18384  				break
 18385  			}
 18386  			if v_0_1.AuxInt != 1 {
 18387  				break
 18388  			}
 18389  			cmp := v_0.Args[2]
 18390  			yes := b.Succs[0]
 18391  			no := b.Succs[1]
 18392  			b.Kind = BlockS390XLE
 18393  			b.SetControl(cmp)
 18394  			_ = yes
 18395  			_ = no
 18396  			return true
 18397  		}
 18398  		// match: (NE (CMPWconst [0] (MOVDGT (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18399  		// cond:
 18400  		// result: (GT cmp yes no)
 18401  		for {
 18402  			v := b.Control
 18403  			if v.Op != OpS390XCMPWconst {
 18404  				break
 18405  			}
 18406  			if v.AuxInt != 0 {
 18407  				break
 18408  			}
 18409  			v_0 := v.Args[0]
 18410  			if v_0.Op != OpS390XMOVDGT {
 18411  				break
 18412  			}
 18413  			v_0_0 := v_0.Args[0]
 18414  			if v_0_0.Op != OpS390XMOVDconst {
 18415  				break
 18416  			}
 18417  			if v_0_0.AuxInt != 0 {
 18418  				break
 18419  			}
 18420  			v_0_1 := v_0.Args[1]
 18421  			if v_0_1.Op != OpS390XMOVDconst {
 18422  				break
 18423  			}
 18424  			if v_0_1.AuxInt != 1 {
 18425  				break
 18426  			}
 18427  			cmp := v_0.Args[2]
 18428  			yes := b.Succs[0]
 18429  			no := b.Succs[1]
 18430  			b.Kind = BlockS390XGT
 18431  			b.SetControl(cmp)
 18432  			_ = yes
 18433  			_ = no
 18434  			return true
 18435  		}
 18436  		// match: (NE (CMPWconst [0] (MOVDGE (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18437  		// cond:
 18438  		// result: (GE cmp yes no)
 18439  		for {
 18440  			v := b.Control
 18441  			if v.Op != OpS390XCMPWconst {
 18442  				break
 18443  			}
 18444  			if v.AuxInt != 0 {
 18445  				break
 18446  			}
 18447  			v_0 := v.Args[0]
 18448  			if v_0.Op != OpS390XMOVDGE {
 18449  				break
 18450  			}
 18451  			v_0_0 := v_0.Args[0]
 18452  			if v_0_0.Op != OpS390XMOVDconst {
 18453  				break
 18454  			}
 18455  			if v_0_0.AuxInt != 0 {
 18456  				break
 18457  			}
 18458  			v_0_1 := v_0.Args[1]
 18459  			if v_0_1.Op != OpS390XMOVDconst {
 18460  				break
 18461  			}
 18462  			if v_0_1.AuxInt != 1 {
 18463  				break
 18464  			}
 18465  			cmp := v_0.Args[2]
 18466  			yes := b.Succs[0]
 18467  			no := b.Succs[1]
 18468  			b.Kind = BlockS390XGE
 18469  			b.SetControl(cmp)
 18470  			_ = yes
 18471  			_ = no
 18472  			return true
 18473  		}
 18474  		// match: (NE (CMPWconst [0] (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18475  		// cond:
 18476  		// result: (EQ cmp yes no)
 18477  		for {
 18478  			v := b.Control
 18479  			if v.Op != OpS390XCMPWconst {
 18480  				break
 18481  			}
 18482  			if v.AuxInt != 0 {
 18483  				break
 18484  			}
 18485  			v_0 := v.Args[0]
 18486  			if v_0.Op != OpS390XMOVDEQ {
 18487  				break
 18488  			}
 18489  			v_0_0 := v_0.Args[0]
 18490  			if v_0_0.Op != OpS390XMOVDconst {
 18491  				break
 18492  			}
 18493  			if v_0_0.AuxInt != 0 {
 18494  				break
 18495  			}
 18496  			v_0_1 := v_0.Args[1]
 18497  			if v_0_1.Op != OpS390XMOVDconst {
 18498  				break
 18499  			}
 18500  			if v_0_1.AuxInt != 1 {
 18501  				break
 18502  			}
 18503  			cmp := v_0.Args[2]
 18504  			yes := b.Succs[0]
 18505  			no := b.Succs[1]
 18506  			b.Kind = BlockS390XEQ
 18507  			b.SetControl(cmp)
 18508  			_ = yes
 18509  			_ = no
 18510  			return true
 18511  		}
 18512  		// match: (NE (CMPWconst [0] (MOVDNE (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18513  		// cond:
 18514  		// result: (NE cmp yes no)
 18515  		for {
 18516  			v := b.Control
 18517  			if v.Op != OpS390XCMPWconst {
 18518  				break
 18519  			}
 18520  			if v.AuxInt != 0 {
 18521  				break
 18522  			}
 18523  			v_0 := v.Args[0]
 18524  			if v_0.Op != OpS390XMOVDNE {
 18525  				break
 18526  			}
 18527  			v_0_0 := v_0.Args[0]
 18528  			if v_0_0.Op != OpS390XMOVDconst {
 18529  				break
 18530  			}
 18531  			if v_0_0.AuxInt != 0 {
 18532  				break
 18533  			}
 18534  			v_0_1 := v_0.Args[1]
 18535  			if v_0_1.Op != OpS390XMOVDconst {
 18536  				break
 18537  			}
 18538  			if v_0_1.AuxInt != 1 {
 18539  				break
 18540  			}
 18541  			cmp := v_0.Args[2]
 18542  			yes := b.Succs[0]
 18543  			no := b.Succs[1]
 18544  			b.Kind = BlockS390XNE
 18545  			b.SetControl(cmp)
 18546  			_ = yes
 18547  			_ = no
 18548  			return true
 18549  		}
 18550  		// match: (NE (CMPWconst [0] (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18551  		// cond:
 18552  		// result: (GTF cmp yes no)
 18553  		for {
 18554  			v := b.Control
 18555  			if v.Op != OpS390XCMPWconst {
 18556  				break
 18557  			}
 18558  			if v.AuxInt != 0 {
 18559  				break
 18560  			}
 18561  			v_0 := v.Args[0]
 18562  			if v_0.Op != OpS390XMOVDGTnoinv {
 18563  				break
 18564  			}
 18565  			v_0_0 := v_0.Args[0]
 18566  			if v_0_0.Op != OpS390XMOVDconst {
 18567  				break
 18568  			}
 18569  			if v_0_0.AuxInt != 0 {
 18570  				break
 18571  			}
 18572  			v_0_1 := v_0.Args[1]
 18573  			if v_0_1.Op != OpS390XMOVDconst {
 18574  				break
 18575  			}
 18576  			if v_0_1.AuxInt != 1 {
 18577  				break
 18578  			}
 18579  			cmp := v_0.Args[2]
 18580  			yes := b.Succs[0]
 18581  			no := b.Succs[1]
 18582  			b.Kind = BlockS390XGTF
 18583  			b.SetControl(cmp)
 18584  			_ = yes
 18585  			_ = no
 18586  			return true
 18587  		}
 18588  		// match: (NE (CMPWconst [0] (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18589  		// cond:
 18590  		// result: (GEF cmp yes no)
 18591  		for {
 18592  			v := b.Control
 18593  			if v.Op != OpS390XCMPWconst {
 18594  				break
 18595  			}
 18596  			if v.AuxInt != 0 {
 18597  				break
 18598  			}
 18599  			v_0 := v.Args[0]
 18600  			if v_0.Op != OpS390XMOVDGEnoinv {
 18601  				break
 18602  			}
 18603  			v_0_0 := v_0.Args[0]
 18604  			if v_0_0.Op != OpS390XMOVDconst {
 18605  				break
 18606  			}
 18607  			if v_0_0.AuxInt != 0 {
 18608  				break
 18609  			}
 18610  			v_0_1 := v_0.Args[1]
 18611  			if v_0_1.Op != OpS390XMOVDconst {
 18612  				break
 18613  			}
 18614  			if v_0_1.AuxInt != 1 {
 18615  				break
 18616  			}
 18617  			cmp := v_0.Args[2]
 18618  			yes := b.Succs[0]
 18619  			no := b.Succs[1]
 18620  			b.Kind = BlockS390XGEF
 18621  			b.SetControl(cmp)
 18622  			_ = yes
 18623  			_ = no
 18624  			return true
 18625  		}
 18626  		// match: (NE (InvertFlags cmp) yes no)
 18627  		// cond:
 18628  		// result: (NE cmp yes no)
 18629  		for {
 18630  			v := b.Control
 18631  			if v.Op != OpS390XInvertFlags {
 18632  				break
 18633  			}
 18634  			cmp := v.Args[0]
 18635  			yes := b.Succs[0]
 18636  			no := b.Succs[1]
 18637  			b.Kind = BlockS390XNE
 18638  			b.SetControl(cmp)
 18639  			_ = yes
 18640  			_ = no
 18641  			return true
 18642  		}
 18643  		// match: (NE (FlagEQ) yes no)
 18644  		// cond:
 18645  		// result: (First nil no yes)
 18646  		for {
 18647  			v := b.Control
 18648  			if v.Op != OpS390XFlagEQ {
 18649  				break
 18650  			}
 18651  			yes := b.Succs[0]
 18652  			no := b.Succs[1]
 18653  			b.Kind = BlockFirst
 18654  			b.SetControl(nil)
 18655  			b.swapSuccessors()
 18656  			_ = no
 18657  			_ = yes
 18658  			return true
 18659  		}
 18660  		// match: (NE (FlagLT) yes no)
 18661  		// cond:
 18662  		// result: (First nil yes no)
 18663  		for {
 18664  			v := b.Control
 18665  			if v.Op != OpS390XFlagLT {
 18666  				break
 18667  			}
 18668  			yes := b.Succs[0]
 18669  			no := b.Succs[1]
 18670  			b.Kind = BlockFirst
 18671  			b.SetControl(nil)
 18672  			_ = yes
 18673  			_ = no
 18674  			return true
 18675  		}
 18676  		// match: (NE (FlagGT) yes no)
 18677  		// cond:
 18678  		// result: (First nil yes no)
 18679  		for {
 18680  			v := b.Control
 18681  			if v.Op != OpS390XFlagGT {
 18682  				break
 18683  			}
 18684  			yes := b.Succs[0]
 18685  			no := b.Succs[1]
 18686  			b.Kind = BlockFirst
 18687  			b.SetControl(nil)
 18688  			_ = yes
 18689  			_ = no
 18690  			return true
 18691  		}
 18692  	}
 18693  	return false
 18694  }