github.com/riscv/riscv-go@v0.0.0-20200123204226-124ebd6fcc8e/src/cmd/compile/internal/ssa/rewriteS390X.go (about)

     1  // autogenerated from gen/S390X.rules: do not edit!
     2  // generated with: cd gen; go run *.go
     3  
     4  package ssa
     5  
     6  import "math"
     7  
     8  var _ = math.MinInt8 // in case not otherwise used
     9  func rewriteValueS390X(v *Value, config *Config) bool {
    10  	switch v.Op {
    11  	case OpAdd16:
    12  		return rewriteValueS390X_OpAdd16(v, config)
    13  	case OpAdd32:
    14  		return rewriteValueS390X_OpAdd32(v, config)
    15  	case OpAdd32F:
    16  		return rewriteValueS390X_OpAdd32F(v, config)
    17  	case OpAdd64:
    18  		return rewriteValueS390X_OpAdd64(v, config)
    19  	case OpAdd64F:
    20  		return rewriteValueS390X_OpAdd64F(v, config)
    21  	case OpAdd8:
    22  		return rewriteValueS390X_OpAdd8(v, config)
    23  	case OpAddPtr:
    24  		return rewriteValueS390X_OpAddPtr(v, config)
    25  	case OpAddr:
    26  		return rewriteValueS390X_OpAddr(v, config)
    27  	case OpAnd16:
    28  		return rewriteValueS390X_OpAnd16(v, config)
    29  	case OpAnd32:
    30  		return rewriteValueS390X_OpAnd32(v, config)
    31  	case OpAnd64:
    32  		return rewriteValueS390X_OpAnd64(v, config)
    33  	case OpAnd8:
    34  		return rewriteValueS390X_OpAnd8(v, config)
    35  	case OpAndB:
    36  		return rewriteValueS390X_OpAndB(v, config)
    37  	case OpAtomicAdd32:
    38  		return rewriteValueS390X_OpAtomicAdd32(v, config)
    39  	case OpAtomicAdd64:
    40  		return rewriteValueS390X_OpAtomicAdd64(v, config)
    41  	case OpAtomicCompareAndSwap32:
    42  		return rewriteValueS390X_OpAtomicCompareAndSwap32(v, config)
    43  	case OpAtomicCompareAndSwap64:
    44  		return rewriteValueS390X_OpAtomicCompareAndSwap64(v, config)
    45  	case OpAtomicExchange32:
    46  		return rewriteValueS390X_OpAtomicExchange32(v, config)
    47  	case OpAtomicExchange64:
    48  		return rewriteValueS390X_OpAtomicExchange64(v, config)
    49  	case OpAtomicLoad32:
    50  		return rewriteValueS390X_OpAtomicLoad32(v, config)
    51  	case OpAtomicLoad64:
    52  		return rewriteValueS390X_OpAtomicLoad64(v, config)
    53  	case OpAtomicLoadPtr:
    54  		return rewriteValueS390X_OpAtomicLoadPtr(v, config)
    55  	case OpAtomicStore32:
    56  		return rewriteValueS390X_OpAtomicStore32(v, config)
    57  	case OpAtomicStore64:
    58  		return rewriteValueS390X_OpAtomicStore64(v, config)
    59  	case OpAtomicStorePtrNoWB:
    60  		return rewriteValueS390X_OpAtomicStorePtrNoWB(v, config)
    61  	case OpAvg64u:
    62  		return rewriteValueS390X_OpAvg64u(v, config)
    63  	case OpBswap32:
    64  		return rewriteValueS390X_OpBswap32(v, config)
    65  	case OpBswap64:
    66  		return rewriteValueS390X_OpBswap64(v, config)
    67  	case OpClosureCall:
    68  		return rewriteValueS390X_OpClosureCall(v, config)
    69  	case OpCom16:
    70  		return rewriteValueS390X_OpCom16(v, config)
    71  	case OpCom32:
    72  		return rewriteValueS390X_OpCom32(v, config)
    73  	case OpCom64:
    74  		return rewriteValueS390X_OpCom64(v, config)
    75  	case OpCom8:
    76  		return rewriteValueS390X_OpCom8(v, config)
    77  	case OpConst16:
    78  		return rewriteValueS390X_OpConst16(v, config)
    79  	case OpConst32:
    80  		return rewriteValueS390X_OpConst32(v, config)
    81  	case OpConst32F:
    82  		return rewriteValueS390X_OpConst32F(v, config)
    83  	case OpConst64:
    84  		return rewriteValueS390X_OpConst64(v, config)
    85  	case OpConst64F:
    86  		return rewriteValueS390X_OpConst64F(v, config)
    87  	case OpConst8:
    88  		return rewriteValueS390X_OpConst8(v, config)
    89  	case OpConstBool:
    90  		return rewriteValueS390X_OpConstBool(v, config)
    91  	case OpConstNil:
    92  		return rewriteValueS390X_OpConstNil(v, config)
    93  	case OpConvert:
    94  		return rewriteValueS390X_OpConvert(v, config)
    95  	case OpCtz32:
    96  		return rewriteValueS390X_OpCtz32(v, config)
    97  	case OpCtz64:
    98  		return rewriteValueS390X_OpCtz64(v, config)
    99  	case OpCvt32Fto32:
   100  		return rewriteValueS390X_OpCvt32Fto32(v, config)
   101  	case OpCvt32Fto64:
   102  		return rewriteValueS390X_OpCvt32Fto64(v, config)
   103  	case OpCvt32Fto64F:
   104  		return rewriteValueS390X_OpCvt32Fto64F(v, config)
   105  	case OpCvt32to32F:
   106  		return rewriteValueS390X_OpCvt32to32F(v, config)
   107  	case OpCvt32to64F:
   108  		return rewriteValueS390X_OpCvt32to64F(v, config)
   109  	case OpCvt64Fto32:
   110  		return rewriteValueS390X_OpCvt64Fto32(v, config)
   111  	case OpCvt64Fto32F:
   112  		return rewriteValueS390X_OpCvt64Fto32F(v, config)
   113  	case OpCvt64Fto64:
   114  		return rewriteValueS390X_OpCvt64Fto64(v, config)
   115  	case OpCvt64to32F:
   116  		return rewriteValueS390X_OpCvt64to32F(v, config)
   117  	case OpCvt64to64F:
   118  		return rewriteValueS390X_OpCvt64to64F(v, config)
   119  	case OpDeferCall:
   120  		return rewriteValueS390X_OpDeferCall(v, config)
   121  	case OpDiv16:
   122  		return rewriteValueS390X_OpDiv16(v, config)
   123  	case OpDiv16u:
   124  		return rewriteValueS390X_OpDiv16u(v, config)
   125  	case OpDiv32:
   126  		return rewriteValueS390X_OpDiv32(v, config)
   127  	case OpDiv32F:
   128  		return rewriteValueS390X_OpDiv32F(v, config)
   129  	case OpDiv32u:
   130  		return rewriteValueS390X_OpDiv32u(v, config)
   131  	case OpDiv64:
   132  		return rewriteValueS390X_OpDiv64(v, config)
   133  	case OpDiv64F:
   134  		return rewriteValueS390X_OpDiv64F(v, config)
   135  	case OpDiv64u:
   136  		return rewriteValueS390X_OpDiv64u(v, config)
   137  	case OpDiv8:
   138  		return rewriteValueS390X_OpDiv8(v, config)
   139  	case OpDiv8u:
   140  		return rewriteValueS390X_OpDiv8u(v, config)
   141  	case OpEq16:
   142  		return rewriteValueS390X_OpEq16(v, config)
   143  	case OpEq32:
   144  		return rewriteValueS390X_OpEq32(v, config)
   145  	case OpEq32F:
   146  		return rewriteValueS390X_OpEq32F(v, config)
   147  	case OpEq64:
   148  		return rewriteValueS390X_OpEq64(v, config)
   149  	case OpEq64F:
   150  		return rewriteValueS390X_OpEq64F(v, config)
   151  	case OpEq8:
   152  		return rewriteValueS390X_OpEq8(v, config)
   153  	case OpEqB:
   154  		return rewriteValueS390X_OpEqB(v, config)
   155  	case OpEqPtr:
   156  		return rewriteValueS390X_OpEqPtr(v, config)
   157  	case OpGeq16:
   158  		return rewriteValueS390X_OpGeq16(v, config)
   159  	case OpGeq16U:
   160  		return rewriteValueS390X_OpGeq16U(v, config)
   161  	case OpGeq32:
   162  		return rewriteValueS390X_OpGeq32(v, config)
   163  	case OpGeq32F:
   164  		return rewriteValueS390X_OpGeq32F(v, config)
   165  	case OpGeq32U:
   166  		return rewriteValueS390X_OpGeq32U(v, config)
   167  	case OpGeq64:
   168  		return rewriteValueS390X_OpGeq64(v, config)
   169  	case OpGeq64F:
   170  		return rewriteValueS390X_OpGeq64F(v, config)
   171  	case OpGeq64U:
   172  		return rewriteValueS390X_OpGeq64U(v, config)
   173  	case OpGeq8:
   174  		return rewriteValueS390X_OpGeq8(v, config)
   175  	case OpGeq8U:
   176  		return rewriteValueS390X_OpGeq8U(v, config)
   177  	case OpGetClosurePtr:
   178  		return rewriteValueS390X_OpGetClosurePtr(v, config)
   179  	case OpGetG:
   180  		return rewriteValueS390X_OpGetG(v, config)
   181  	case OpGoCall:
   182  		return rewriteValueS390X_OpGoCall(v, config)
   183  	case OpGreater16:
   184  		return rewriteValueS390X_OpGreater16(v, config)
   185  	case OpGreater16U:
   186  		return rewriteValueS390X_OpGreater16U(v, config)
   187  	case OpGreater32:
   188  		return rewriteValueS390X_OpGreater32(v, config)
   189  	case OpGreater32F:
   190  		return rewriteValueS390X_OpGreater32F(v, config)
   191  	case OpGreater32U:
   192  		return rewriteValueS390X_OpGreater32U(v, config)
   193  	case OpGreater64:
   194  		return rewriteValueS390X_OpGreater64(v, config)
   195  	case OpGreater64F:
   196  		return rewriteValueS390X_OpGreater64F(v, config)
   197  	case OpGreater64U:
   198  		return rewriteValueS390X_OpGreater64U(v, config)
   199  	case OpGreater8:
   200  		return rewriteValueS390X_OpGreater8(v, config)
   201  	case OpGreater8U:
   202  		return rewriteValueS390X_OpGreater8U(v, config)
   203  	case OpHmul16:
   204  		return rewriteValueS390X_OpHmul16(v, config)
   205  	case OpHmul16u:
   206  		return rewriteValueS390X_OpHmul16u(v, config)
   207  	case OpHmul32:
   208  		return rewriteValueS390X_OpHmul32(v, config)
   209  	case OpHmul32u:
   210  		return rewriteValueS390X_OpHmul32u(v, config)
   211  	case OpHmul64:
   212  		return rewriteValueS390X_OpHmul64(v, config)
   213  	case OpHmul64u:
   214  		return rewriteValueS390X_OpHmul64u(v, config)
   215  	case OpHmul8:
   216  		return rewriteValueS390X_OpHmul8(v, config)
   217  	case OpHmul8u:
   218  		return rewriteValueS390X_OpHmul8u(v, config)
   219  	case OpITab:
   220  		return rewriteValueS390X_OpITab(v, config)
   221  	case OpInterCall:
   222  		return rewriteValueS390X_OpInterCall(v, config)
   223  	case OpIsInBounds:
   224  		return rewriteValueS390X_OpIsInBounds(v, config)
   225  	case OpIsNonNil:
   226  		return rewriteValueS390X_OpIsNonNil(v, config)
   227  	case OpIsSliceInBounds:
   228  		return rewriteValueS390X_OpIsSliceInBounds(v, config)
   229  	case OpLeq16:
   230  		return rewriteValueS390X_OpLeq16(v, config)
   231  	case OpLeq16U:
   232  		return rewriteValueS390X_OpLeq16U(v, config)
   233  	case OpLeq32:
   234  		return rewriteValueS390X_OpLeq32(v, config)
   235  	case OpLeq32F:
   236  		return rewriteValueS390X_OpLeq32F(v, config)
   237  	case OpLeq32U:
   238  		return rewriteValueS390X_OpLeq32U(v, config)
   239  	case OpLeq64:
   240  		return rewriteValueS390X_OpLeq64(v, config)
   241  	case OpLeq64F:
   242  		return rewriteValueS390X_OpLeq64F(v, config)
   243  	case OpLeq64U:
   244  		return rewriteValueS390X_OpLeq64U(v, config)
   245  	case OpLeq8:
   246  		return rewriteValueS390X_OpLeq8(v, config)
   247  	case OpLeq8U:
   248  		return rewriteValueS390X_OpLeq8U(v, config)
   249  	case OpLess16:
   250  		return rewriteValueS390X_OpLess16(v, config)
   251  	case OpLess16U:
   252  		return rewriteValueS390X_OpLess16U(v, config)
   253  	case OpLess32:
   254  		return rewriteValueS390X_OpLess32(v, config)
   255  	case OpLess32F:
   256  		return rewriteValueS390X_OpLess32F(v, config)
   257  	case OpLess32U:
   258  		return rewriteValueS390X_OpLess32U(v, config)
   259  	case OpLess64:
   260  		return rewriteValueS390X_OpLess64(v, config)
   261  	case OpLess64F:
   262  		return rewriteValueS390X_OpLess64F(v, config)
   263  	case OpLess64U:
   264  		return rewriteValueS390X_OpLess64U(v, config)
   265  	case OpLess8:
   266  		return rewriteValueS390X_OpLess8(v, config)
   267  	case OpLess8U:
   268  		return rewriteValueS390X_OpLess8U(v, config)
   269  	case OpLoad:
   270  		return rewriteValueS390X_OpLoad(v, config)
   271  	case OpLsh16x16:
   272  		return rewriteValueS390X_OpLsh16x16(v, config)
   273  	case OpLsh16x32:
   274  		return rewriteValueS390X_OpLsh16x32(v, config)
   275  	case OpLsh16x64:
   276  		return rewriteValueS390X_OpLsh16x64(v, config)
   277  	case OpLsh16x8:
   278  		return rewriteValueS390X_OpLsh16x8(v, config)
   279  	case OpLsh32x16:
   280  		return rewriteValueS390X_OpLsh32x16(v, config)
   281  	case OpLsh32x32:
   282  		return rewriteValueS390X_OpLsh32x32(v, config)
   283  	case OpLsh32x64:
   284  		return rewriteValueS390X_OpLsh32x64(v, config)
   285  	case OpLsh32x8:
   286  		return rewriteValueS390X_OpLsh32x8(v, config)
   287  	case OpLsh64x16:
   288  		return rewriteValueS390X_OpLsh64x16(v, config)
   289  	case OpLsh64x32:
   290  		return rewriteValueS390X_OpLsh64x32(v, config)
   291  	case OpLsh64x64:
   292  		return rewriteValueS390X_OpLsh64x64(v, config)
   293  	case OpLsh64x8:
   294  		return rewriteValueS390X_OpLsh64x8(v, config)
   295  	case OpLsh8x16:
   296  		return rewriteValueS390X_OpLsh8x16(v, config)
   297  	case OpLsh8x32:
   298  		return rewriteValueS390X_OpLsh8x32(v, config)
   299  	case OpLsh8x64:
   300  		return rewriteValueS390X_OpLsh8x64(v, config)
   301  	case OpLsh8x8:
   302  		return rewriteValueS390X_OpLsh8x8(v, config)
   303  	case OpMod16:
   304  		return rewriteValueS390X_OpMod16(v, config)
   305  	case OpMod16u:
   306  		return rewriteValueS390X_OpMod16u(v, config)
   307  	case OpMod32:
   308  		return rewriteValueS390X_OpMod32(v, config)
   309  	case OpMod32u:
   310  		return rewriteValueS390X_OpMod32u(v, config)
   311  	case OpMod64:
   312  		return rewriteValueS390X_OpMod64(v, config)
   313  	case OpMod64u:
   314  		return rewriteValueS390X_OpMod64u(v, config)
   315  	case OpMod8:
   316  		return rewriteValueS390X_OpMod8(v, config)
   317  	case OpMod8u:
   318  		return rewriteValueS390X_OpMod8u(v, config)
   319  	case OpMove:
   320  		return rewriteValueS390X_OpMove(v, config)
   321  	case OpMul16:
   322  		return rewriteValueS390X_OpMul16(v, config)
   323  	case OpMul32:
   324  		return rewriteValueS390X_OpMul32(v, config)
   325  	case OpMul32F:
   326  		return rewriteValueS390X_OpMul32F(v, config)
   327  	case OpMul64:
   328  		return rewriteValueS390X_OpMul64(v, config)
   329  	case OpMul64F:
   330  		return rewriteValueS390X_OpMul64F(v, config)
   331  	case OpMul8:
   332  		return rewriteValueS390X_OpMul8(v, config)
   333  	case OpNeg16:
   334  		return rewriteValueS390X_OpNeg16(v, config)
   335  	case OpNeg32:
   336  		return rewriteValueS390X_OpNeg32(v, config)
   337  	case OpNeg32F:
   338  		return rewriteValueS390X_OpNeg32F(v, config)
   339  	case OpNeg64:
   340  		return rewriteValueS390X_OpNeg64(v, config)
   341  	case OpNeg64F:
   342  		return rewriteValueS390X_OpNeg64F(v, config)
   343  	case OpNeg8:
   344  		return rewriteValueS390X_OpNeg8(v, config)
   345  	case OpNeq16:
   346  		return rewriteValueS390X_OpNeq16(v, config)
   347  	case OpNeq32:
   348  		return rewriteValueS390X_OpNeq32(v, config)
   349  	case OpNeq32F:
   350  		return rewriteValueS390X_OpNeq32F(v, config)
   351  	case OpNeq64:
   352  		return rewriteValueS390X_OpNeq64(v, config)
   353  	case OpNeq64F:
   354  		return rewriteValueS390X_OpNeq64F(v, config)
   355  	case OpNeq8:
   356  		return rewriteValueS390X_OpNeq8(v, config)
   357  	case OpNeqB:
   358  		return rewriteValueS390X_OpNeqB(v, config)
   359  	case OpNeqPtr:
   360  		return rewriteValueS390X_OpNeqPtr(v, config)
   361  	case OpNilCheck:
   362  		return rewriteValueS390X_OpNilCheck(v, config)
   363  	case OpNot:
   364  		return rewriteValueS390X_OpNot(v, config)
   365  	case OpOffPtr:
   366  		return rewriteValueS390X_OpOffPtr(v, config)
   367  	case OpOr16:
   368  		return rewriteValueS390X_OpOr16(v, config)
   369  	case OpOr32:
   370  		return rewriteValueS390X_OpOr32(v, config)
   371  	case OpOr64:
   372  		return rewriteValueS390X_OpOr64(v, config)
   373  	case OpOr8:
   374  		return rewriteValueS390X_OpOr8(v, config)
   375  	case OpOrB:
   376  		return rewriteValueS390X_OpOrB(v, config)
   377  	case OpRsh16Ux16:
   378  		return rewriteValueS390X_OpRsh16Ux16(v, config)
   379  	case OpRsh16Ux32:
   380  		return rewriteValueS390X_OpRsh16Ux32(v, config)
   381  	case OpRsh16Ux64:
   382  		return rewriteValueS390X_OpRsh16Ux64(v, config)
   383  	case OpRsh16Ux8:
   384  		return rewriteValueS390X_OpRsh16Ux8(v, config)
   385  	case OpRsh16x16:
   386  		return rewriteValueS390X_OpRsh16x16(v, config)
   387  	case OpRsh16x32:
   388  		return rewriteValueS390X_OpRsh16x32(v, config)
   389  	case OpRsh16x64:
   390  		return rewriteValueS390X_OpRsh16x64(v, config)
   391  	case OpRsh16x8:
   392  		return rewriteValueS390X_OpRsh16x8(v, config)
   393  	case OpRsh32Ux16:
   394  		return rewriteValueS390X_OpRsh32Ux16(v, config)
   395  	case OpRsh32Ux32:
   396  		return rewriteValueS390X_OpRsh32Ux32(v, config)
   397  	case OpRsh32Ux64:
   398  		return rewriteValueS390X_OpRsh32Ux64(v, config)
   399  	case OpRsh32Ux8:
   400  		return rewriteValueS390X_OpRsh32Ux8(v, config)
   401  	case OpRsh32x16:
   402  		return rewriteValueS390X_OpRsh32x16(v, config)
   403  	case OpRsh32x32:
   404  		return rewriteValueS390X_OpRsh32x32(v, config)
   405  	case OpRsh32x64:
   406  		return rewriteValueS390X_OpRsh32x64(v, config)
   407  	case OpRsh32x8:
   408  		return rewriteValueS390X_OpRsh32x8(v, config)
   409  	case OpRsh64Ux16:
   410  		return rewriteValueS390X_OpRsh64Ux16(v, config)
   411  	case OpRsh64Ux32:
   412  		return rewriteValueS390X_OpRsh64Ux32(v, config)
   413  	case OpRsh64Ux64:
   414  		return rewriteValueS390X_OpRsh64Ux64(v, config)
   415  	case OpRsh64Ux8:
   416  		return rewriteValueS390X_OpRsh64Ux8(v, config)
   417  	case OpRsh64x16:
   418  		return rewriteValueS390X_OpRsh64x16(v, config)
   419  	case OpRsh64x32:
   420  		return rewriteValueS390X_OpRsh64x32(v, config)
   421  	case OpRsh64x64:
   422  		return rewriteValueS390X_OpRsh64x64(v, config)
   423  	case OpRsh64x8:
   424  		return rewriteValueS390X_OpRsh64x8(v, config)
   425  	case OpRsh8Ux16:
   426  		return rewriteValueS390X_OpRsh8Ux16(v, config)
   427  	case OpRsh8Ux32:
   428  		return rewriteValueS390X_OpRsh8Ux32(v, config)
   429  	case OpRsh8Ux64:
   430  		return rewriteValueS390X_OpRsh8Ux64(v, config)
   431  	case OpRsh8Ux8:
   432  		return rewriteValueS390X_OpRsh8Ux8(v, config)
   433  	case OpRsh8x16:
   434  		return rewriteValueS390X_OpRsh8x16(v, config)
   435  	case OpRsh8x32:
   436  		return rewriteValueS390X_OpRsh8x32(v, config)
   437  	case OpRsh8x64:
   438  		return rewriteValueS390X_OpRsh8x64(v, config)
   439  	case OpRsh8x8:
   440  		return rewriteValueS390X_OpRsh8x8(v, config)
   441  	case OpS390XADD:
   442  		return rewriteValueS390X_OpS390XADD(v, config)
   443  	case OpS390XADDW:
   444  		return rewriteValueS390X_OpS390XADDW(v, config)
   445  	case OpS390XADDWconst:
   446  		return rewriteValueS390X_OpS390XADDWconst(v, config)
   447  	case OpS390XADDconst:
   448  		return rewriteValueS390X_OpS390XADDconst(v, config)
   449  	case OpS390XAND:
   450  		return rewriteValueS390X_OpS390XAND(v, config)
   451  	case OpS390XANDW:
   452  		return rewriteValueS390X_OpS390XANDW(v, config)
   453  	case OpS390XANDWconst:
   454  		return rewriteValueS390X_OpS390XANDWconst(v, config)
   455  	case OpS390XANDconst:
   456  		return rewriteValueS390X_OpS390XANDconst(v, config)
   457  	case OpS390XCMP:
   458  		return rewriteValueS390X_OpS390XCMP(v, config)
   459  	case OpS390XCMPU:
   460  		return rewriteValueS390X_OpS390XCMPU(v, config)
   461  	case OpS390XCMPUconst:
   462  		return rewriteValueS390X_OpS390XCMPUconst(v, config)
   463  	case OpS390XCMPW:
   464  		return rewriteValueS390X_OpS390XCMPW(v, config)
   465  	case OpS390XCMPWU:
   466  		return rewriteValueS390X_OpS390XCMPWU(v, config)
   467  	case OpS390XCMPWUconst:
   468  		return rewriteValueS390X_OpS390XCMPWUconst(v, config)
   469  	case OpS390XCMPWconst:
   470  		return rewriteValueS390X_OpS390XCMPWconst(v, config)
   471  	case OpS390XCMPconst:
   472  		return rewriteValueS390X_OpS390XCMPconst(v, config)
   473  	case OpS390XFMOVDload:
   474  		return rewriteValueS390X_OpS390XFMOVDload(v, config)
   475  	case OpS390XFMOVDloadidx:
   476  		return rewriteValueS390X_OpS390XFMOVDloadidx(v, config)
   477  	case OpS390XFMOVDstore:
   478  		return rewriteValueS390X_OpS390XFMOVDstore(v, config)
   479  	case OpS390XFMOVDstoreidx:
   480  		return rewriteValueS390X_OpS390XFMOVDstoreidx(v, config)
   481  	case OpS390XFMOVSload:
   482  		return rewriteValueS390X_OpS390XFMOVSload(v, config)
   483  	case OpS390XFMOVSloadidx:
   484  		return rewriteValueS390X_OpS390XFMOVSloadidx(v, config)
   485  	case OpS390XFMOVSstore:
   486  		return rewriteValueS390X_OpS390XFMOVSstore(v, config)
   487  	case OpS390XFMOVSstoreidx:
   488  		return rewriteValueS390X_OpS390XFMOVSstoreidx(v, config)
   489  	case OpS390XMOVBZload:
   490  		return rewriteValueS390X_OpS390XMOVBZload(v, config)
   491  	case OpS390XMOVBZloadidx:
   492  		return rewriteValueS390X_OpS390XMOVBZloadidx(v, config)
   493  	case OpS390XMOVBZreg:
   494  		return rewriteValueS390X_OpS390XMOVBZreg(v, config)
   495  	case OpS390XMOVBload:
   496  		return rewriteValueS390X_OpS390XMOVBload(v, config)
   497  	case OpS390XMOVBreg:
   498  		return rewriteValueS390X_OpS390XMOVBreg(v, config)
   499  	case OpS390XMOVBstore:
   500  		return rewriteValueS390X_OpS390XMOVBstore(v, config)
   501  	case OpS390XMOVBstoreconst:
   502  		return rewriteValueS390X_OpS390XMOVBstoreconst(v, config)
   503  	case OpS390XMOVBstoreidx:
   504  		return rewriteValueS390X_OpS390XMOVBstoreidx(v, config)
   505  	case OpS390XMOVDEQ:
   506  		return rewriteValueS390X_OpS390XMOVDEQ(v, config)
   507  	case OpS390XMOVDGE:
   508  		return rewriteValueS390X_OpS390XMOVDGE(v, config)
   509  	case OpS390XMOVDGT:
   510  		return rewriteValueS390X_OpS390XMOVDGT(v, config)
   511  	case OpS390XMOVDLE:
   512  		return rewriteValueS390X_OpS390XMOVDLE(v, config)
   513  	case OpS390XMOVDLT:
   514  		return rewriteValueS390X_OpS390XMOVDLT(v, config)
   515  	case OpS390XMOVDNE:
   516  		return rewriteValueS390X_OpS390XMOVDNE(v, config)
   517  	case OpS390XMOVDaddridx:
   518  		return rewriteValueS390X_OpS390XMOVDaddridx(v, config)
   519  	case OpS390XMOVDload:
   520  		return rewriteValueS390X_OpS390XMOVDload(v, config)
   521  	case OpS390XMOVDloadidx:
   522  		return rewriteValueS390X_OpS390XMOVDloadidx(v, config)
   523  	case OpS390XMOVDreg:
   524  		return rewriteValueS390X_OpS390XMOVDreg(v, config)
   525  	case OpS390XMOVDstore:
   526  		return rewriteValueS390X_OpS390XMOVDstore(v, config)
   527  	case OpS390XMOVDstoreconst:
   528  		return rewriteValueS390X_OpS390XMOVDstoreconst(v, config)
   529  	case OpS390XMOVDstoreidx:
   530  		return rewriteValueS390X_OpS390XMOVDstoreidx(v, config)
   531  	case OpS390XMOVHBRstore:
   532  		return rewriteValueS390X_OpS390XMOVHBRstore(v, config)
   533  	case OpS390XMOVHBRstoreidx:
   534  		return rewriteValueS390X_OpS390XMOVHBRstoreidx(v, config)
   535  	case OpS390XMOVHZload:
   536  		return rewriteValueS390X_OpS390XMOVHZload(v, config)
   537  	case OpS390XMOVHZloadidx:
   538  		return rewriteValueS390X_OpS390XMOVHZloadidx(v, config)
   539  	case OpS390XMOVHZreg:
   540  		return rewriteValueS390X_OpS390XMOVHZreg(v, config)
   541  	case OpS390XMOVHload:
   542  		return rewriteValueS390X_OpS390XMOVHload(v, config)
   543  	case OpS390XMOVHreg:
   544  		return rewriteValueS390X_OpS390XMOVHreg(v, config)
   545  	case OpS390XMOVHstore:
   546  		return rewriteValueS390X_OpS390XMOVHstore(v, config)
   547  	case OpS390XMOVHstoreconst:
   548  		return rewriteValueS390X_OpS390XMOVHstoreconst(v, config)
   549  	case OpS390XMOVHstoreidx:
   550  		return rewriteValueS390X_OpS390XMOVHstoreidx(v, config)
   551  	case OpS390XMOVWBRstore:
   552  		return rewriteValueS390X_OpS390XMOVWBRstore(v, config)
   553  	case OpS390XMOVWBRstoreidx:
   554  		return rewriteValueS390X_OpS390XMOVWBRstoreidx(v, config)
   555  	case OpS390XMOVWZload:
   556  		return rewriteValueS390X_OpS390XMOVWZload(v, config)
   557  	case OpS390XMOVWZloadidx:
   558  		return rewriteValueS390X_OpS390XMOVWZloadidx(v, config)
   559  	case OpS390XMOVWZreg:
   560  		return rewriteValueS390X_OpS390XMOVWZreg(v, config)
   561  	case OpS390XMOVWload:
   562  		return rewriteValueS390X_OpS390XMOVWload(v, config)
   563  	case OpS390XMOVWreg:
   564  		return rewriteValueS390X_OpS390XMOVWreg(v, config)
   565  	case OpS390XMOVWstore:
   566  		return rewriteValueS390X_OpS390XMOVWstore(v, config)
   567  	case OpS390XMOVWstoreconst:
   568  		return rewriteValueS390X_OpS390XMOVWstoreconst(v, config)
   569  	case OpS390XMOVWstoreidx:
   570  		return rewriteValueS390X_OpS390XMOVWstoreidx(v, config)
   571  	case OpS390XMULLD:
   572  		return rewriteValueS390X_OpS390XMULLD(v, config)
   573  	case OpS390XMULLDconst:
   574  		return rewriteValueS390X_OpS390XMULLDconst(v, config)
   575  	case OpS390XMULLW:
   576  		return rewriteValueS390X_OpS390XMULLW(v, config)
   577  	case OpS390XMULLWconst:
   578  		return rewriteValueS390X_OpS390XMULLWconst(v, config)
   579  	case OpS390XNEG:
   580  		return rewriteValueS390X_OpS390XNEG(v, config)
   581  	case OpS390XNEGW:
   582  		return rewriteValueS390X_OpS390XNEGW(v, config)
   583  	case OpS390XNOT:
   584  		return rewriteValueS390X_OpS390XNOT(v, config)
   585  	case OpS390XNOTW:
   586  		return rewriteValueS390X_OpS390XNOTW(v, config)
   587  	case OpS390XOR:
   588  		return rewriteValueS390X_OpS390XOR(v, config)
   589  	case OpS390XORW:
   590  		return rewriteValueS390X_OpS390XORW(v, config)
   591  	case OpS390XORWconst:
   592  		return rewriteValueS390X_OpS390XORWconst(v, config)
   593  	case OpS390XORconst:
   594  		return rewriteValueS390X_OpS390XORconst(v, config)
   595  	case OpS390XSLD:
   596  		return rewriteValueS390X_OpS390XSLD(v, config)
   597  	case OpS390XSLW:
   598  		return rewriteValueS390X_OpS390XSLW(v, config)
   599  	case OpS390XSRAD:
   600  		return rewriteValueS390X_OpS390XSRAD(v, config)
   601  	case OpS390XSRADconst:
   602  		return rewriteValueS390X_OpS390XSRADconst(v, config)
   603  	case OpS390XSRAW:
   604  		return rewriteValueS390X_OpS390XSRAW(v, config)
   605  	case OpS390XSRAWconst:
   606  		return rewriteValueS390X_OpS390XSRAWconst(v, config)
   607  	case OpS390XSRD:
   608  		return rewriteValueS390X_OpS390XSRD(v, config)
   609  	case OpS390XSRW:
   610  		return rewriteValueS390X_OpS390XSRW(v, config)
   611  	case OpS390XSTM2:
   612  		return rewriteValueS390X_OpS390XSTM2(v, config)
   613  	case OpS390XSTMG2:
   614  		return rewriteValueS390X_OpS390XSTMG2(v, config)
   615  	case OpS390XSUB:
   616  		return rewriteValueS390X_OpS390XSUB(v, config)
   617  	case OpS390XSUBEWcarrymask:
   618  		return rewriteValueS390X_OpS390XSUBEWcarrymask(v, config)
   619  	case OpS390XSUBEcarrymask:
   620  		return rewriteValueS390X_OpS390XSUBEcarrymask(v, config)
   621  	case OpS390XSUBW:
   622  		return rewriteValueS390X_OpS390XSUBW(v, config)
   623  	case OpS390XSUBWconst:
   624  		return rewriteValueS390X_OpS390XSUBWconst(v, config)
   625  	case OpS390XSUBconst:
   626  		return rewriteValueS390X_OpS390XSUBconst(v, config)
   627  	case OpS390XXOR:
   628  		return rewriteValueS390X_OpS390XXOR(v, config)
   629  	case OpS390XXORW:
   630  		return rewriteValueS390X_OpS390XXORW(v, config)
   631  	case OpS390XXORWconst:
   632  		return rewriteValueS390X_OpS390XXORWconst(v, config)
   633  	case OpS390XXORconst:
   634  		return rewriteValueS390X_OpS390XXORconst(v, config)
   635  	case OpSelect0:
   636  		return rewriteValueS390X_OpSelect0(v, config)
   637  	case OpSelect1:
   638  		return rewriteValueS390X_OpSelect1(v, config)
   639  	case OpSignExt16to32:
   640  		return rewriteValueS390X_OpSignExt16to32(v, config)
   641  	case OpSignExt16to64:
   642  		return rewriteValueS390X_OpSignExt16to64(v, config)
   643  	case OpSignExt32to64:
   644  		return rewriteValueS390X_OpSignExt32to64(v, config)
   645  	case OpSignExt8to16:
   646  		return rewriteValueS390X_OpSignExt8to16(v, config)
   647  	case OpSignExt8to32:
   648  		return rewriteValueS390X_OpSignExt8to32(v, config)
   649  	case OpSignExt8to64:
   650  		return rewriteValueS390X_OpSignExt8to64(v, config)
   651  	case OpSlicemask:
   652  		return rewriteValueS390X_OpSlicemask(v, config)
   653  	case OpSqrt:
   654  		return rewriteValueS390X_OpSqrt(v, config)
   655  	case OpStaticCall:
   656  		return rewriteValueS390X_OpStaticCall(v, config)
   657  	case OpStore:
   658  		return rewriteValueS390X_OpStore(v, config)
   659  	case OpSub16:
   660  		return rewriteValueS390X_OpSub16(v, config)
   661  	case OpSub32:
   662  		return rewriteValueS390X_OpSub32(v, config)
   663  	case OpSub32F:
   664  		return rewriteValueS390X_OpSub32F(v, config)
   665  	case OpSub64:
   666  		return rewriteValueS390X_OpSub64(v, config)
   667  	case OpSub64F:
   668  		return rewriteValueS390X_OpSub64F(v, config)
   669  	case OpSub8:
   670  		return rewriteValueS390X_OpSub8(v, config)
   671  	case OpSubPtr:
   672  		return rewriteValueS390X_OpSubPtr(v, config)
   673  	case OpTrunc16to8:
   674  		return rewriteValueS390X_OpTrunc16to8(v, config)
   675  	case OpTrunc32to16:
   676  		return rewriteValueS390X_OpTrunc32to16(v, config)
   677  	case OpTrunc32to8:
   678  		return rewriteValueS390X_OpTrunc32to8(v, config)
   679  	case OpTrunc64to16:
   680  		return rewriteValueS390X_OpTrunc64to16(v, config)
   681  	case OpTrunc64to32:
   682  		return rewriteValueS390X_OpTrunc64to32(v, config)
   683  	case OpTrunc64to8:
   684  		return rewriteValueS390X_OpTrunc64to8(v, config)
   685  	case OpXor16:
   686  		return rewriteValueS390X_OpXor16(v, config)
   687  	case OpXor32:
   688  		return rewriteValueS390X_OpXor32(v, config)
   689  	case OpXor64:
   690  		return rewriteValueS390X_OpXor64(v, config)
   691  	case OpXor8:
   692  		return rewriteValueS390X_OpXor8(v, config)
   693  	case OpZero:
   694  		return rewriteValueS390X_OpZero(v, config)
   695  	case OpZeroExt16to32:
   696  		return rewriteValueS390X_OpZeroExt16to32(v, config)
   697  	case OpZeroExt16to64:
   698  		return rewriteValueS390X_OpZeroExt16to64(v, config)
   699  	case OpZeroExt32to64:
   700  		return rewriteValueS390X_OpZeroExt32to64(v, config)
   701  	case OpZeroExt8to16:
   702  		return rewriteValueS390X_OpZeroExt8to16(v, config)
   703  	case OpZeroExt8to32:
   704  		return rewriteValueS390X_OpZeroExt8to32(v, config)
   705  	case OpZeroExt8to64:
   706  		return rewriteValueS390X_OpZeroExt8to64(v, config)
   707  	}
   708  	return false
   709  }
   710  func rewriteValueS390X_OpAdd16(v *Value, config *Config) bool {
   711  	b := v.Block
   712  	_ = b
   713  	// match: (Add16  x y)
   714  	// cond:
   715  	// result: (ADDW  x y)
   716  	for {
   717  		x := v.Args[0]
   718  		y := v.Args[1]
   719  		v.reset(OpS390XADDW)
   720  		v.AddArg(x)
   721  		v.AddArg(y)
   722  		return true
   723  	}
   724  }
   725  func rewriteValueS390X_OpAdd32(v *Value, config *Config) bool {
   726  	b := v.Block
   727  	_ = b
   728  	// match: (Add32  x y)
   729  	// cond:
   730  	// result: (ADDW  x y)
   731  	for {
   732  		x := v.Args[0]
   733  		y := v.Args[1]
   734  		v.reset(OpS390XADDW)
   735  		v.AddArg(x)
   736  		v.AddArg(y)
   737  		return true
   738  	}
   739  }
   740  func rewriteValueS390X_OpAdd32F(v *Value, config *Config) bool {
   741  	b := v.Block
   742  	_ = b
   743  	// match: (Add32F x y)
   744  	// cond:
   745  	// result: (FADDS x y)
   746  	for {
   747  		x := v.Args[0]
   748  		y := v.Args[1]
   749  		v.reset(OpS390XFADDS)
   750  		v.AddArg(x)
   751  		v.AddArg(y)
   752  		return true
   753  	}
   754  }
   755  func rewriteValueS390X_OpAdd64(v *Value, config *Config) bool {
   756  	b := v.Block
   757  	_ = b
   758  	// match: (Add64  x y)
   759  	// cond:
   760  	// result: (ADD  x y)
   761  	for {
   762  		x := v.Args[0]
   763  		y := v.Args[1]
   764  		v.reset(OpS390XADD)
   765  		v.AddArg(x)
   766  		v.AddArg(y)
   767  		return true
   768  	}
   769  }
   770  func rewriteValueS390X_OpAdd64F(v *Value, config *Config) bool {
   771  	b := v.Block
   772  	_ = b
   773  	// match: (Add64F x y)
   774  	// cond:
   775  	// result: (FADD x y)
   776  	for {
   777  		x := v.Args[0]
   778  		y := v.Args[1]
   779  		v.reset(OpS390XFADD)
   780  		v.AddArg(x)
   781  		v.AddArg(y)
   782  		return true
   783  	}
   784  }
   785  func rewriteValueS390X_OpAdd8(v *Value, config *Config) bool {
   786  	b := v.Block
   787  	_ = b
   788  	// match: (Add8   x y)
   789  	// cond:
   790  	// result: (ADDW  x y)
   791  	for {
   792  		x := v.Args[0]
   793  		y := v.Args[1]
   794  		v.reset(OpS390XADDW)
   795  		v.AddArg(x)
   796  		v.AddArg(y)
   797  		return true
   798  	}
   799  }
   800  func rewriteValueS390X_OpAddPtr(v *Value, config *Config) bool {
   801  	b := v.Block
   802  	_ = b
   803  	// match: (AddPtr x y)
   804  	// cond:
   805  	// result: (ADD  x y)
   806  	for {
   807  		x := v.Args[0]
   808  		y := v.Args[1]
   809  		v.reset(OpS390XADD)
   810  		v.AddArg(x)
   811  		v.AddArg(y)
   812  		return true
   813  	}
   814  }
   815  func rewriteValueS390X_OpAddr(v *Value, config *Config) bool {
   816  	b := v.Block
   817  	_ = b
   818  	// match: (Addr {sym} base)
   819  	// cond:
   820  	// result: (MOVDaddr {sym} base)
   821  	for {
   822  		sym := v.Aux
   823  		base := v.Args[0]
   824  		v.reset(OpS390XMOVDaddr)
   825  		v.Aux = sym
   826  		v.AddArg(base)
   827  		return true
   828  	}
   829  }
   830  func rewriteValueS390X_OpAnd16(v *Value, config *Config) bool {
   831  	b := v.Block
   832  	_ = b
   833  	// match: (And16 x y)
   834  	// cond:
   835  	// result: (ANDW x y)
   836  	for {
   837  		x := v.Args[0]
   838  		y := v.Args[1]
   839  		v.reset(OpS390XANDW)
   840  		v.AddArg(x)
   841  		v.AddArg(y)
   842  		return true
   843  	}
   844  }
   845  func rewriteValueS390X_OpAnd32(v *Value, config *Config) bool {
   846  	b := v.Block
   847  	_ = b
   848  	// match: (And32 x y)
   849  	// cond:
   850  	// result: (ANDW x y)
   851  	for {
   852  		x := v.Args[0]
   853  		y := v.Args[1]
   854  		v.reset(OpS390XANDW)
   855  		v.AddArg(x)
   856  		v.AddArg(y)
   857  		return true
   858  	}
   859  }
   860  func rewriteValueS390X_OpAnd64(v *Value, config *Config) bool {
   861  	b := v.Block
   862  	_ = b
   863  	// match: (And64 x y)
   864  	// cond:
   865  	// result: (AND x y)
   866  	for {
   867  		x := v.Args[0]
   868  		y := v.Args[1]
   869  		v.reset(OpS390XAND)
   870  		v.AddArg(x)
   871  		v.AddArg(y)
   872  		return true
   873  	}
   874  }
   875  func rewriteValueS390X_OpAnd8(v *Value, config *Config) bool {
   876  	b := v.Block
   877  	_ = b
   878  	// match: (And8  x y)
   879  	// cond:
   880  	// result: (ANDW x y)
   881  	for {
   882  		x := v.Args[0]
   883  		y := v.Args[1]
   884  		v.reset(OpS390XANDW)
   885  		v.AddArg(x)
   886  		v.AddArg(y)
   887  		return true
   888  	}
   889  }
   890  func rewriteValueS390X_OpAndB(v *Value, config *Config) bool {
   891  	b := v.Block
   892  	_ = b
   893  	// match: (AndB x y)
   894  	// cond:
   895  	// result: (ANDW x y)
   896  	for {
   897  		x := v.Args[0]
   898  		y := v.Args[1]
   899  		v.reset(OpS390XANDW)
   900  		v.AddArg(x)
   901  		v.AddArg(y)
   902  		return true
   903  	}
   904  }
   905  func rewriteValueS390X_OpAtomicAdd32(v *Value, config *Config) bool {
   906  	b := v.Block
   907  	_ = b
   908  	// match: (AtomicAdd32 ptr val mem)
   909  	// cond:
   910  	// result: (AddTupleFirst32 (LAA ptr val mem) val)
   911  	for {
   912  		ptr := v.Args[0]
   913  		val := v.Args[1]
   914  		mem := v.Args[2]
   915  		v.reset(OpS390XAddTupleFirst32)
   916  		v0 := b.NewValue0(v.Pos, OpS390XLAA, MakeTuple(config.fe.TypeUInt32(), TypeMem))
   917  		v0.AddArg(ptr)
   918  		v0.AddArg(val)
   919  		v0.AddArg(mem)
   920  		v.AddArg(v0)
   921  		v.AddArg(val)
   922  		return true
   923  	}
   924  }
   925  func rewriteValueS390X_OpAtomicAdd64(v *Value, config *Config) bool {
   926  	b := v.Block
   927  	_ = b
   928  	// match: (AtomicAdd64 ptr val mem)
   929  	// cond:
   930  	// result: (AddTupleFirst64 (LAAG ptr val mem) val)
   931  	for {
   932  		ptr := v.Args[0]
   933  		val := v.Args[1]
   934  		mem := v.Args[2]
   935  		v.reset(OpS390XAddTupleFirst64)
   936  		v0 := b.NewValue0(v.Pos, OpS390XLAAG, MakeTuple(config.fe.TypeUInt64(), TypeMem))
   937  		v0.AddArg(ptr)
   938  		v0.AddArg(val)
   939  		v0.AddArg(mem)
   940  		v.AddArg(v0)
   941  		v.AddArg(val)
   942  		return true
   943  	}
   944  }
   945  func rewriteValueS390X_OpAtomicCompareAndSwap32(v *Value, config *Config) bool {
   946  	b := v.Block
   947  	_ = b
   948  	// match: (AtomicCompareAndSwap32 ptr old new_ mem)
   949  	// cond:
   950  	// result: (LoweredAtomicCas32 ptr old new_ mem)
   951  	for {
   952  		ptr := v.Args[0]
   953  		old := v.Args[1]
   954  		new_ := v.Args[2]
   955  		mem := v.Args[3]
   956  		v.reset(OpS390XLoweredAtomicCas32)
   957  		v.AddArg(ptr)
   958  		v.AddArg(old)
   959  		v.AddArg(new_)
   960  		v.AddArg(mem)
   961  		return true
   962  	}
   963  }
   964  func rewriteValueS390X_OpAtomicCompareAndSwap64(v *Value, config *Config) bool {
   965  	b := v.Block
   966  	_ = b
   967  	// match: (AtomicCompareAndSwap64 ptr old new_ mem)
   968  	// cond:
   969  	// result: (LoweredAtomicCas64 ptr old new_ mem)
   970  	for {
   971  		ptr := v.Args[0]
   972  		old := v.Args[1]
   973  		new_ := v.Args[2]
   974  		mem := v.Args[3]
   975  		v.reset(OpS390XLoweredAtomicCas64)
   976  		v.AddArg(ptr)
   977  		v.AddArg(old)
   978  		v.AddArg(new_)
   979  		v.AddArg(mem)
   980  		return true
   981  	}
   982  }
   983  func rewriteValueS390X_OpAtomicExchange32(v *Value, config *Config) bool {
   984  	b := v.Block
   985  	_ = b
   986  	// match: (AtomicExchange32 ptr val mem)
   987  	// cond:
   988  	// result: (LoweredAtomicExchange32 ptr val mem)
   989  	for {
   990  		ptr := v.Args[0]
   991  		val := v.Args[1]
   992  		mem := v.Args[2]
   993  		v.reset(OpS390XLoweredAtomicExchange32)
   994  		v.AddArg(ptr)
   995  		v.AddArg(val)
   996  		v.AddArg(mem)
   997  		return true
   998  	}
   999  }
  1000  func rewriteValueS390X_OpAtomicExchange64(v *Value, config *Config) bool {
  1001  	b := v.Block
  1002  	_ = b
  1003  	// match: (AtomicExchange64 ptr val mem)
  1004  	// cond:
  1005  	// result: (LoweredAtomicExchange64 ptr val mem)
  1006  	for {
  1007  		ptr := v.Args[0]
  1008  		val := v.Args[1]
  1009  		mem := v.Args[2]
  1010  		v.reset(OpS390XLoweredAtomicExchange64)
  1011  		v.AddArg(ptr)
  1012  		v.AddArg(val)
  1013  		v.AddArg(mem)
  1014  		return true
  1015  	}
  1016  }
  1017  func rewriteValueS390X_OpAtomicLoad32(v *Value, config *Config) bool {
  1018  	b := v.Block
  1019  	_ = b
  1020  	// match: (AtomicLoad32 ptr mem)
  1021  	// cond:
  1022  	// result: (MOVWZatomicload ptr mem)
  1023  	for {
  1024  		ptr := v.Args[0]
  1025  		mem := v.Args[1]
  1026  		v.reset(OpS390XMOVWZatomicload)
  1027  		v.AddArg(ptr)
  1028  		v.AddArg(mem)
  1029  		return true
  1030  	}
  1031  }
  1032  func rewriteValueS390X_OpAtomicLoad64(v *Value, config *Config) bool {
  1033  	b := v.Block
  1034  	_ = b
  1035  	// match: (AtomicLoad64 ptr mem)
  1036  	// cond:
  1037  	// result: (MOVDatomicload ptr mem)
  1038  	for {
  1039  		ptr := v.Args[0]
  1040  		mem := v.Args[1]
  1041  		v.reset(OpS390XMOVDatomicload)
  1042  		v.AddArg(ptr)
  1043  		v.AddArg(mem)
  1044  		return true
  1045  	}
  1046  }
  1047  func rewriteValueS390X_OpAtomicLoadPtr(v *Value, config *Config) bool {
  1048  	b := v.Block
  1049  	_ = b
  1050  	// match: (AtomicLoadPtr ptr mem)
  1051  	// cond:
  1052  	// result: (MOVDatomicload ptr mem)
  1053  	for {
  1054  		ptr := v.Args[0]
  1055  		mem := v.Args[1]
  1056  		v.reset(OpS390XMOVDatomicload)
  1057  		v.AddArg(ptr)
  1058  		v.AddArg(mem)
  1059  		return true
  1060  	}
  1061  }
  1062  func rewriteValueS390X_OpAtomicStore32(v *Value, config *Config) bool {
  1063  	b := v.Block
  1064  	_ = b
  1065  	// match: (AtomicStore32 ptr val mem)
  1066  	// cond:
  1067  	// result: (MOVWatomicstore ptr val mem)
  1068  	for {
  1069  		ptr := v.Args[0]
  1070  		val := v.Args[1]
  1071  		mem := v.Args[2]
  1072  		v.reset(OpS390XMOVWatomicstore)
  1073  		v.AddArg(ptr)
  1074  		v.AddArg(val)
  1075  		v.AddArg(mem)
  1076  		return true
  1077  	}
  1078  }
  1079  func rewriteValueS390X_OpAtomicStore64(v *Value, config *Config) bool {
  1080  	b := v.Block
  1081  	_ = b
  1082  	// match: (AtomicStore64 ptr val mem)
  1083  	// cond:
  1084  	// result: (MOVDatomicstore ptr val mem)
  1085  	for {
  1086  		ptr := v.Args[0]
  1087  		val := v.Args[1]
  1088  		mem := v.Args[2]
  1089  		v.reset(OpS390XMOVDatomicstore)
  1090  		v.AddArg(ptr)
  1091  		v.AddArg(val)
  1092  		v.AddArg(mem)
  1093  		return true
  1094  	}
  1095  }
  1096  func rewriteValueS390X_OpAtomicStorePtrNoWB(v *Value, config *Config) bool {
  1097  	b := v.Block
  1098  	_ = b
  1099  	// match: (AtomicStorePtrNoWB ptr val mem)
  1100  	// cond:
  1101  	// result: (MOVDatomicstore ptr val mem)
  1102  	for {
  1103  		ptr := v.Args[0]
  1104  		val := v.Args[1]
  1105  		mem := v.Args[2]
  1106  		v.reset(OpS390XMOVDatomicstore)
  1107  		v.AddArg(ptr)
  1108  		v.AddArg(val)
  1109  		v.AddArg(mem)
  1110  		return true
  1111  	}
  1112  }
  1113  func rewriteValueS390X_OpAvg64u(v *Value, config *Config) bool {
  1114  	b := v.Block
  1115  	_ = b
  1116  	// match: (Avg64u <t> x y)
  1117  	// cond:
  1118  	// result: (ADD (ADD <t> (SRDconst <t> x [1]) (SRDconst <t> y [1])) (ANDconst <t> (AND <t> x y) [1]))
  1119  	for {
  1120  		t := v.Type
  1121  		x := v.Args[0]
  1122  		y := v.Args[1]
  1123  		v.reset(OpS390XADD)
  1124  		v0 := b.NewValue0(v.Pos, OpS390XADD, t)
  1125  		v1 := b.NewValue0(v.Pos, OpS390XSRDconst, t)
  1126  		v1.AuxInt = 1
  1127  		v1.AddArg(x)
  1128  		v0.AddArg(v1)
  1129  		v2 := b.NewValue0(v.Pos, OpS390XSRDconst, t)
  1130  		v2.AuxInt = 1
  1131  		v2.AddArg(y)
  1132  		v0.AddArg(v2)
  1133  		v.AddArg(v0)
  1134  		v3 := b.NewValue0(v.Pos, OpS390XANDconst, t)
  1135  		v3.AuxInt = 1
  1136  		v4 := b.NewValue0(v.Pos, OpS390XAND, t)
  1137  		v4.AddArg(x)
  1138  		v4.AddArg(y)
  1139  		v3.AddArg(v4)
  1140  		v.AddArg(v3)
  1141  		return true
  1142  	}
  1143  }
  1144  func rewriteValueS390X_OpBswap32(v *Value, config *Config) bool {
  1145  	b := v.Block
  1146  	_ = b
  1147  	// match: (Bswap32 x)
  1148  	// cond:
  1149  	// result: (MOVWBR x)
  1150  	for {
  1151  		x := v.Args[0]
  1152  		v.reset(OpS390XMOVWBR)
  1153  		v.AddArg(x)
  1154  		return true
  1155  	}
  1156  }
  1157  func rewriteValueS390X_OpBswap64(v *Value, config *Config) bool {
  1158  	b := v.Block
  1159  	_ = b
  1160  	// match: (Bswap64 x)
  1161  	// cond:
  1162  	// result: (MOVDBR x)
  1163  	for {
  1164  		x := v.Args[0]
  1165  		v.reset(OpS390XMOVDBR)
  1166  		v.AddArg(x)
  1167  		return true
  1168  	}
  1169  }
  1170  func rewriteValueS390X_OpClosureCall(v *Value, config *Config) bool {
  1171  	b := v.Block
  1172  	_ = b
  1173  	// match: (ClosureCall [argwid] entry closure mem)
  1174  	// cond:
  1175  	// result: (CALLclosure [argwid] entry closure mem)
  1176  	for {
  1177  		argwid := v.AuxInt
  1178  		entry := v.Args[0]
  1179  		closure := v.Args[1]
  1180  		mem := v.Args[2]
  1181  		v.reset(OpS390XCALLclosure)
  1182  		v.AuxInt = argwid
  1183  		v.AddArg(entry)
  1184  		v.AddArg(closure)
  1185  		v.AddArg(mem)
  1186  		return true
  1187  	}
  1188  }
  1189  func rewriteValueS390X_OpCom16(v *Value, config *Config) bool {
  1190  	b := v.Block
  1191  	_ = b
  1192  	// match: (Com16 x)
  1193  	// cond:
  1194  	// result: (NOTW x)
  1195  	for {
  1196  		x := v.Args[0]
  1197  		v.reset(OpS390XNOTW)
  1198  		v.AddArg(x)
  1199  		return true
  1200  	}
  1201  }
  1202  func rewriteValueS390X_OpCom32(v *Value, config *Config) bool {
  1203  	b := v.Block
  1204  	_ = b
  1205  	// match: (Com32 x)
  1206  	// cond:
  1207  	// result: (NOTW x)
  1208  	for {
  1209  		x := v.Args[0]
  1210  		v.reset(OpS390XNOTW)
  1211  		v.AddArg(x)
  1212  		return true
  1213  	}
  1214  }
  1215  func rewriteValueS390X_OpCom64(v *Value, config *Config) bool {
  1216  	b := v.Block
  1217  	_ = b
  1218  	// match: (Com64 x)
  1219  	// cond:
  1220  	// result: (NOT x)
  1221  	for {
  1222  		x := v.Args[0]
  1223  		v.reset(OpS390XNOT)
  1224  		v.AddArg(x)
  1225  		return true
  1226  	}
  1227  }
  1228  func rewriteValueS390X_OpCom8(v *Value, config *Config) bool {
  1229  	b := v.Block
  1230  	_ = b
  1231  	// match: (Com8  x)
  1232  	// cond:
  1233  	// result: (NOTW x)
  1234  	for {
  1235  		x := v.Args[0]
  1236  		v.reset(OpS390XNOTW)
  1237  		v.AddArg(x)
  1238  		return true
  1239  	}
  1240  }
  1241  func rewriteValueS390X_OpConst16(v *Value, config *Config) bool {
  1242  	b := v.Block
  1243  	_ = b
  1244  	// match: (Const16  [val])
  1245  	// cond:
  1246  	// result: (MOVDconst [val])
  1247  	for {
  1248  		val := v.AuxInt
  1249  		v.reset(OpS390XMOVDconst)
  1250  		v.AuxInt = val
  1251  		return true
  1252  	}
  1253  }
  1254  func rewriteValueS390X_OpConst32(v *Value, config *Config) bool {
  1255  	b := v.Block
  1256  	_ = b
  1257  	// match: (Const32  [val])
  1258  	// cond:
  1259  	// result: (MOVDconst [val])
  1260  	for {
  1261  		val := v.AuxInt
  1262  		v.reset(OpS390XMOVDconst)
  1263  		v.AuxInt = val
  1264  		return true
  1265  	}
  1266  }
  1267  func rewriteValueS390X_OpConst32F(v *Value, config *Config) bool {
  1268  	b := v.Block
  1269  	_ = b
  1270  	// match: (Const32F [val])
  1271  	// cond:
  1272  	// result: (FMOVSconst [val])
  1273  	for {
  1274  		val := v.AuxInt
  1275  		v.reset(OpS390XFMOVSconst)
  1276  		v.AuxInt = val
  1277  		return true
  1278  	}
  1279  }
  1280  func rewriteValueS390X_OpConst64(v *Value, config *Config) bool {
  1281  	b := v.Block
  1282  	_ = b
  1283  	// match: (Const64  [val])
  1284  	// cond:
  1285  	// result: (MOVDconst [val])
  1286  	for {
  1287  		val := v.AuxInt
  1288  		v.reset(OpS390XMOVDconst)
  1289  		v.AuxInt = val
  1290  		return true
  1291  	}
  1292  }
  1293  func rewriteValueS390X_OpConst64F(v *Value, config *Config) bool {
  1294  	b := v.Block
  1295  	_ = b
  1296  	// match: (Const64F [val])
  1297  	// cond:
  1298  	// result: (FMOVDconst [val])
  1299  	for {
  1300  		val := v.AuxInt
  1301  		v.reset(OpS390XFMOVDconst)
  1302  		v.AuxInt = val
  1303  		return true
  1304  	}
  1305  }
  1306  func rewriteValueS390X_OpConst8(v *Value, config *Config) bool {
  1307  	b := v.Block
  1308  	_ = b
  1309  	// match: (Const8   [val])
  1310  	// cond:
  1311  	// result: (MOVDconst [val])
  1312  	for {
  1313  		val := v.AuxInt
  1314  		v.reset(OpS390XMOVDconst)
  1315  		v.AuxInt = val
  1316  		return true
  1317  	}
  1318  }
  1319  func rewriteValueS390X_OpConstBool(v *Value, config *Config) bool {
  1320  	b := v.Block
  1321  	_ = b
  1322  	// match: (ConstBool [b])
  1323  	// cond:
  1324  	// result: (MOVDconst [b])
  1325  	for {
  1326  		b := v.AuxInt
  1327  		v.reset(OpS390XMOVDconst)
  1328  		v.AuxInt = b
  1329  		return true
  1330  	}
  1331  }
  1332  func rewriteValueS390X_OpConstNil(v *Value, config *Config) bool {
  1333  	b := v.Block
  1334  	_ = b
  1335  	// match: (ConstNil)
  1336  	// cond:
  1337  	// result: (MOVDconst [0])
  1338  	for {
  1339  		v.reset(OpS390XMOVDconst)
  1340  		v.AuxInt = 0
  1341  		return true
  1342  	}
  1343  }
  1344  func rewriteValueS390X_OpConvert(v *Value, config *Config) bool {
  1345  	b := v.Block
  1346  	_ = b
  1347  	// match: (Convert <t> x mem)
  1348  	// cond:
  1349  	// result: (MOVDconvert <t> x mem)
  1350  	for {
  1351  		t := v.Type
  1352  		x := v.Args[0]
  1353  		mem := v.Args[1]
  1354  		v.reset(OpS390XMOVDconvert)
  1355  		v.Type = t
  1356  		v.AddArg(x)
  1357  		v.AddArg(mem)
  1358  		return true
  1359  	}
  1360  }
  1361  func rewriteValueS390X_OpCtz32(v *Value, config *Config) bool {
  1362  	b := v.Block
  1363  	_ = b
  1364  	// match: (Ctz32 <t> x)
  1365  	// cond:
  1366  	// result: (SUB (MOVDconst [64]) (FLOGR (MOVWZreg (ANDW <t> (SUBWconst <t> [1] x) (NOTW <t> x)))))
  1367  	for {
  1368  		t := v.Type
  1369  		x := v.Args[0]
  1370  		v.reset(OpS390XSUB)
  1371  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1372  		v0.AuxInt = 64
  1373  		v.AddArg(v0)
  1374  		v1 := b.NewValue0(v.Pos, OpS390XFLOGR, config.fe.TypeUInt64())
  1375  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, config.fe.TypeUInt64())
  1376  		v3 := b.NewValue0(v.Pos, OpS390XANDW, t)
  1377  		v4 := b.NewValue0(v.Pos, OpS390XSUBWconst, t)
  1378  		v4.AuxInt = 1
  1379  		v4.AddArg(x)
  1380  		v3.AddArg(v4)
  1381  		v5 := b.NewValue0(v.Pos, OpS390XNOTW, t)
  1382  		v5.AddArg(x)
  1383  		v3.AddArg(v5)
  1384  		v2.AddArg(v3)
  1385  		v1.AddArg(v2)
  1386  		v.AddArg(v1)
  1387  		return true
  1388  	}
  1389  }
  1390  func rewriteValueS390X_OpCtz64(v *Value, config *Config) bool {
  1391  	b := v.Block
  1392  	_ = b
  1393  	// match: (Ctz64 <t> x)
  1394  	// cond:
  1395  	// result: (SUB (MOVDconst [64]) (FLOGR (AND <t> (SUBconst <t> [1] x) (NOT <t> x))))
  1396  	for {
  1397  		t := v.Type
  1398  		x := v.Args[0]
  1399  		v.reset(OpS390XSUB)
  1400  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1401  		v0.AuxInt = 64
  1402  		v.AddArg(v0)
  1403  		v1 := b.NewValue0(v.Pos, OpS390XFLOGR, config.fe.TypeUInt64())
  1404  		v2 := b.NewValue0(v.Pos, OpS390XAND, t)
  1405  		v3 := b.NewValue0(v.Pos, OpS390XSUBconst, t)
  1406  		v3.AuxInt = 1
  1407  		v3.AddArg(x)
  1408  		v2.AddArg(v3)
  1409  		v4 := b.NewValue0(v.Pos, OpS390XNOT, t)
  1410  		v4.AddArg(x)
  1411  		v2.AddArg(v4)
  1412  		v1.AddArg(v2)
  1413  		v.AddArg(v1)
  1414  		return true
  1415  	}
  1416  }
  1417  func rewriteValueS390X_OpCvt32Fto32(v *Value, config *Config) bool {
  1418  	b := v.Block
  1419  	_ = b
  1420  	// match: (Cvt32Fto32 x)
  1421  	// cond:
  1422  	// result: (CFEBRA x)
  1423  	for {
  1424  		x := v.Args[0]
  1425  		v.reset(OpS390XCFEBRA)
  1426  		v.AddArg(x)
  1427  		return true
  1428  	}
  1429  }
  1430  func rewriteValueS390X_OpCvt32Fto64(v *Value, config *Config) bool {
  1431  	b := v.Block
  1432  	_ = b
  1433  	// match: (Cvt32Fto64 x)
  1434  	// cond:
  1435  	// result: (CGEBRA x)
  1436  	for {
  1437  		x := v.Args[0]
  1438  		v.reset(OpS390XCGEBRA)
  1439  		v.AddArg(x)
  1440  		return true
  1441  	}
  1442  }
  1443  func rewriteValueS390X_OpCvt32Fto64F(v *Value, config *Config) bool {
  1444  	b := v.Block
  1445  	_ = b
  1446  	// match: (Cvt32Fto64F x)
  1447  	// cond:
  1448  	// result: (LDEBR x)
  1449  	for {
  1450  		x := v.Args[0]
  1451  		v.reset(OpS390XLDEBR)
  1452  		v.AddArg(x)
  1453  		return true
  1454  	}
  1455  }
  1456  func rewriteValueS390X_OpCvt32to32F(v *Value, config *Config) bool {
  1457  	b := v.Block
  1458  	_ = b
  1459  	// match: (Cvt32to32F x)
  1460  	// cond:
  1461  	// result: (CEFBRA x)
  1462  	for {
  1463  		x := v.Args[0]
  1464  		v.reset(OpS390XCEFBRA)
  1465  		v.AddArg(x)
  1466  		return true
  1467  	}
  1468  }
  1469  func rewriteValueS390X_OpCvt32to64F(v *Value, config *Config) bool {
  1470  	b := v.Block
  1471  	_ = b
  1472  	// match: (Cvt32to64F x)
  1473  	// cond:
  1474  	// result: (CDFBRA x)
  1475  	for {
  1476  		x := v.Args[0]
  1477  		v.reset(OpS390XCDFBRA)
  1478  		v.AddArg(x)
  1479  		return true
  1480  	}
  1481  }
  1482  func rewriteValueS390X_OpCvt64Fto32(v *Value, config *Config) bool {
  1483  	b := v.Block
  1484  	_ = b
  1485  	// match: (Cvt64Fto32 x)
  1486  	// cond:
  1487  	// result: (CFDBRA x)
  1488  	for {
  1489  		x := v.Args[0]
  1490  		v.reset(OpS390XCFDBRA)
  1491  		v.AddArg(x)
  1492  		return true
  1493  	}
  1494  }
  1495  func rewriteValueS390X_OpCvt64Fto32F(v *Value, config *Config) bool {
  1496  	b := v.Block
  1497  	_ = b
  1498  	// match: (Cvt64Fto32F x)
  1499  	// cond:
  1500  	// result: (LEDBR x)
  1501  	for {
  1502  		x := v.Args[0]
  1503  		v.reset(OpS390XLEDBR)
  1504  		v.AddArg(x)
  1505  		return true
  1506  	}
  1507  }
  1508  func rewriteValueS390X_OpCvt64Fto64(v *Value, config *Config) bool {
  1509  	b := v.Block
  1510  	_ = b
  1511  	// match: (Cvt64Fto64 x)
  1512  	// cond:
  1513  	// result: (CGDBRA x)
  1514  	for {
  1515  		x := v.Args[0]
  1516  		v.reset(OpS390XCGDBRA)
  1517  		v.AddArg(x)
  1518  		return true
  1519  	}
  1520  }
  1521  func rewriteValueS390X_OpCvt64to32F(v *Value, config *Config) bool {
  1522  	b := v.Block
  1523  	_ = b
  1524  	// match: (Cvt64to32F x)
  1525  	// cond:
  1526  	// result: (CEGBRA x)
  1527  	for {
  1528  		x := v.Args[0]
  1529  		v.reset(OpS390XCEGBRA)
  1530  		v.AddArg(x)
  1531  		return true
  1532  	}
  1533  }
  1534  func rewriteValueS390X_OpCvt64to64F(v *Value, config *Config) bool {
  1535  	b := v.Block
  1536  	_ = b
  1537  	// match: (Cvt64to64F x)
  1538  	// cond:
  1539  	// result: (CDGBRA x)
  1540  	for {
  1541  		x := v.Args[0]
  1542  		v.reset(OpS390XCDGBRA)
  1543  		v.AddArg(x)
  1544  		return true
  1545  	}
  1546  }
  1547  func rewriteValueS390X_OpDeferCall(v *Value, config *Config) bool {
  1548  	b := v.Block
  1549  	_ = b
  1550  	// match: (DeferCall [argwid] mem)
  1551  	// cond:
  1552  	// result: (CALLdefer [argwid] mem)
  1553  	for {
  1554  		argwid := v.AuxInt
  1555  		mem := v.Args[0]
  1556  		v.reset(OpS390XCALLdefer)
  1557  		v.AuxInt = argwid
  1558  		v.AddArg(mem)
  1559  		return true
  1560  	}
  1561  }
  1562  func rewriteValueS390X_OpDiv16(v *Value, config *Config) bool {
  1563  	b := v.Block
  1564  	_ = b
  1565  	// match: (Div16  x y)
  1566  	// cond:
  1567  	// result: (DIVW  (MOVHreg x) (MOVHreg y))
  1568  	for {
  1569  		x := v.Args[0]
  1570  		y := v.Args[1]
  1571  		v.reset(OpS390XDIVW)
  1572  		v0 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  1573  		v0.AddArg(x)
  1574  		v.AddArg(v0)
  1575  		v1 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  1576  		v1.AddArg(y)
  1577  		v.AddArg(v1)
  1578  		return true
  1579  	}
  1580  }
  1581  func rewriteValueS390X_OpDiv16u(v *Value, config *Config) bool {
  1582  	b := v.Block
  1583  	_ = b
  1584  	// match: (Div16u x y)
  1585  	// cond:
  1586  	// result: (DIVWU (MOVHZreg x) (MOVHZreg y))
  1587  	for {
  1588  		x := v.Args[0]
  1589  		y := v.Args[1]
  1590  		v.reset(OpS390XDIVWU)
  1591  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  1592  		v0.AddArg(x)
  1593  		v.AddArg(v0)
  1594  		v1 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  1595  		v1.AddArg(y)
  1596  		v.AddArg(v1)
  1597  		return true
  1598  	}
  1599  }
  1600  func rewriteValueS390X_OpDiv32(v *Value, config *Config) bool {
  1601  	b := v.Block
  1602  	_ = b
  1603  	// match: (Div32  x y)
  1604  	// cond:
  1605  	// result: (DIVW  (MOVWreg x) y)
  1606  	for {
  1607  		x := v.Args[0]
  1608  		y := v.Args[1]
  1609  		v.reset(OpS390XDIVW)
  1610  		v0 := b.NewValue0(v.Pos, OpS390XMOVWreg, config.fe.TypeInt64())
  1611  		v0.AddArg(x)
  1612  		v.AddArg(v0)
  1613  		v.AddArg(y)
  1614  		return true
  1615  	}
  1616  }
  1617  func rewriteValueS390X_OpDiv32F(v *Value, config *Config) bool {
  1618  	b := v.Block
  1619  	_ = b
  1620  	// match: (Div32F x y)
  1621  	// cond:
  1622  	// result: (FDIVS x y)
  1623  	for {
  1624  		x := v.Args[0]
  1625  		y := v.Args[1]
  1626  		v.reset(OpS390XFDIVS)
  1627  		v.AddArg(x)
  1628  		v.AddArg(y)
  1629  		return true
  1630  	}
  1631  }
  1632  func rewriteValueS390X_OpDiv32u(v *Value, config *Config) bool {
  1633  	b := v.Block
  1634  	_ = b
  1635  	// match: (Div32u x y)
  1636  	// cond:
  1637  	// result: (DIVWU (MOVWZreg x) y)
  1638  	for {
  1639  		x := v.Args[0]
  1640  		y := v.Args[1]
  1641  		v.reset(OpS390XDIVWU)
  1642  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZreg, config.fe.TypeUInt64())
  1643  		v0.AddArg(x)
  1644  		v.AddArg(v0)
  1645  		v.AddArg(y)
  1646  		return true
  1647  	}
  1648  }
  1649  func rewriteValueS390X_OpDiv64(v *Value, config *Config) bool {
  1650  	b := v.Block
  1651  	_ = b
  1652  	// match: (Div64  x y)
  1653  	// cond:
  1654  	// result: (DIVD  x y)
  1655  	for {
  1656  		x := v.Args[0]
  1657  		y := v.Args[1]
  1658  		v.reset(OpS390XDIVD)
  1659  		v.AddArg(x)
  1660  		v.AddArg(y)
  1661  		return true
  1662  	}
  1663  }
  1664  func rewriteValueS390X_OpDiv64F(v *Value, config *Config) bool {
  1665  	b := v.Block
  1666  	_ = b
  1667  	// match: (Div64F x y)
  1668  	// cond:
  1669  	// result: (FDIV x y)
  1670  	for {
  1671  		x := v.Args[0]
  1672  		y := v.Args[1]
  1673  		v.reset(OpS390XFDIV)
  1674  		v.AddArg(x)
  1675  		v.AddArg(y)
  1676  		return true
  1677  	}
  1678  }
  1679  func rewriteValueS390X_OpDiv64u(v *Value, config *Config) bool {
  1680  	b := v.Block
  1681  	_ = b
  1682  	// match: (Div64u x y)
  1683  	// cond:
  1684  	// result: (DIVDU x y)
  1685  	for {
  1686  		x := v.Args[0]
  1687  		y := v.Args[1]
  1688  		v.reset(OpS390XDIVDU)
  1689  		v.AddArg(x)
  1690  		v.AddArg(y)
  1691  		return true
  1692  	}
  1693  }
  1694  func rewriteValueS390X_OpDiv8(v *Value, config *Config) bool {
  1695  	b := v.Block
  1696  	_ = b
  1697  	// match: (Div8   x y)
  1698  	// cond:
  1699  	// result: (DIVW  (MOVBreg x) (MOVBreg y))
  1700  	for {
  1701  		x := v.Args[0]
  1702  		y := v.Args[1]
  1703  		v.reset(OpS390XDIVW)
  1704  		v0 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  1705  		v0.AddArg(x)
  1706  		v.AddArg(v0)
  1707  		v1 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  1708  		v1.AddArg(y)
  1709  		v.AddArg(v1)
  1710  		return true
  1711  	}
  1712  }
  1713  func rewriteValueS390X_OpDiv8u(v *Value, config *Config) bool {
  1714  	b := v.Block
  1715  	_ = b
  1716  	// match: (Div8u  x y)
  1717  	// cond:
  1718  	// result: (DIVWU (MOVBZreg x) (MOVBZreg y))
  1719  	for {
  1720  		x := v.Args[0]
  1721  		y := v.Args[1]
  1722  		v.reset(OpS390XDIVWU)
  1723  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  1724  		v0.AddArg(x)
  1725  		v.AddArg(v0)
  1726  		v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  1727  		v1.AddArg(y)
  1728  		v.AddArg(v1)
  1729  		return true
  1730  	}
  1731  }
  1732  func rewriteValueS390X_OpEq16(v *Value, config *Config) bool {
  1733  	b := v.Block
  1734  	_ = b
  1735  	// match: (Eq16  x y)
  1736  	// cond:
  1737  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  1738  	for {
  1739  		x := v.Args[0]
  1740  		y := v.Args[1]
  1741  		v.reset(OpS390XMOVDEQ)
  1742  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1743  		v0.AuxInt = 0
  1744  		v.AddArg(v0)
  1745  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1746  		v1.AuxInt = 1
  1747  		v.AddArg(v1)
  1748  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  1749  		v3 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  1750  		v3.AddArg(x)
  1751  		v2.AddArg(v3)
  1752  		v4 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  1753  		v4.AddArg(y)
  1754  		v2.AddArg(v4)
  1755  		v.AddArg(v2)
  1756  		return true
  1757  	}
  1758  }
  1759  func rewriteValueS390X_OpEq32(v *Value, config *Config) bool {
  1760  	b := v.Block
  1761  	_ = b
  1762  	// match: (Eq32  x y)
  1763  	// cond:
  1764  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  1765  	for {
  1766  		x := v.Args[0]
  1767  		y := v.Args[1]
  1768  		v.reset(OpS390XMOVDEQ)
  1769  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1770  		v0.AuxInt = 0
  1771  		v.AddArg(v0)
  1772  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1773  		v1.AuxInt = 1
  1774  		v.AddArg(v1)
  1775  		v2 := b.NewValue0(v.Pos, OpS390XCMPW, TypeFlags)
  1776  		v2.AddArg(x)
  1777  		v2.AddArg(y)
  1778  		v.AddArg(v2)
  1779  		return true
  1780  	}
  1781  }
  1782  func rewriteValueS390X_OpEq32F(v *Value, config *Config) bool {
  1783  	b := v.Block
  1784  	_ = b
  1785  	// match: (Eq32F x y)
  1786  	// cond:
  1787  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (FCMPS x y))
  1788  	for {
  1789  		x := v.Args[0]
  1790  		y := v.Args[1]
  1791  		v.reset(OpS390XMOVDEQ)
  1792  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1793  		v0.AuxInt = 0
  1794  		v.AddArg(v0)
  1795  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1796  		v1.AuxInt = 1
  1797  		v.AddArg(v1)
  1798  		v2 := b.NewValue0(v.Pos, OpS390XFCMPS, TypeFlags)
  1799  		v2.AddArg(x)
  1800  		v2.AddArg(y)
  1801  		v.AddArg(v2)
  1802  		return true
  1803  	}
  1804  }
  1805  func rewriteValueS390X_OpEq64(v *Value, config *Config) bool {
  1806  	b := v.Block
  1807  	_ = b
  1808  	// match: (Eq64  x y)
  1809  	// cond:
  1810  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  1811  	for {
  1812  		x := v.Args[0]
  1813  		y := v.Args[1]
  1814  		v.reset(OpS390XMOVDEQ)
  1815  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1816  		v0.AuxInt = 0
  1817  		v.AddArg(v0)
  1818  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1819  		v1.AuxInt = 1
  1820  		v.AddArg(v1)
  1821  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  1822  		v2.AddArg(x)
  1823  		v2.AddArg(y)
  1824  		v.AddArg(v2)
  1825  		return true
  1826  	}
  1827  }
  1828  func rewriteValueS390X_OpEq64F(v *Value, config *Config) bool {
  1829  	b := v.Block
  1830  	_ = b
  1831  	// match: (Eq64F x y)
  1832  	// cond:
  1833  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (FCMP x y))
  1834  	for {
  1835  		x := v.Args[0]
  1836  		y := v.Args[1]
  1837  		v.reset(OpS390XMOVDEQ)
  1838  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1839  		v0.AuxInt = 0
  1840  		v.AddArg(v0)
  1841  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1842  		v1.AuxInt = 1
  1843  		v.AddArg(v1)
  1844  		v2 := b.NewValue0(v.Pos, OpS390XFCMP, TypeFlags)
  1845  		v2.AddArg(x)
  1846  		v2.AddArg(y)
  1847  		v.AddArg(v2)
  1848  		return true
  1849  	}
  1850  }
  1851  func rewriteValueS390X_OpEq8(v *Value, config *Config) bool {
  1852  	b := v.Block
  1853  	_ = b
  1854  	// match: (Eq8   x y)
  1855  	// cond:
  1856  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  1857  	for {
  1858  		x := v.Args[0]
  1859  		y := v.Args[1]
  1860  		v.reset(OpS390XMOVDEQ)
  1861  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1862  		v0.AuxInt = 0
  1863  		v.AddArg(v0)
  1864  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1865  		v1.AuxInt = 1
  1866  		v.AddArg(v1)
  1867  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  1868  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  1869  		v3.AddArg(x)
  1870  		v2.AddArg(v3)
  1871  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  1872  		v4.AddArg(y)
  1873  		v2.AddArg(v4)
  1874  		v.AddArg(v2)
  1875  		return true
  1876  	}
  1877  }
  1878  func rewriteValueS390X_OpEqB(v *Value, config *Config) bool {
  1879  	b := v.Block
  1880  	_ = b
  1881  	// match: (EqB   x y)
  1882  	// cond:
  1883  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  1884  	for {
  1885  		x := v.Args[0]
  1886  		y := v.Args[1]
  1887  		v.reset(OpS390XMOVDEQ)
  1888  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1889  		v0.AuxInt = 0
  1890  		v.AddArg(v0)
  1891  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1892  		v1.AuxInt = 1
  1893  		v.AddArg(v1)
  1894  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  1895  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  1896  		v3.AddArg(x)
  1897  		v2.AddArg(v3)
  1898  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  1899  		v4.AddArg(y)
  1900  		v2.AddArg(v4)
  1901  		v.AddArg(v2)
  1902  		return true
  1903  	}
  1904  }
  1905  func rewriteValueS390X_OpEqPtr(v *Value, config *Config) bool {
  1906  	b := v.Block
  1907  	_ = b
  1908  	// match: (EqPtr x y)
  1909  	// cond:
  1910  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  1911  	for {
  1912  		x := v.Args[0]
  1913  		y := v.Args[1]
  1914  		v.reset(OpS390XMOVDEQ)
  1915  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1916  		v0.AuxInt = 0
  1917  		v.AddArg(v0)
  1918  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1919  		v1.AuxInt = 1
  1920  		v.AddArg(v1)
  1921  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  1922  		v2.AddArg(x)
  1923  		v2.AddArg(y)
  1924  		v.AddArg(v2)
  1925  		return true
  1926  	}
  1927  }
  1928  func rewriteValueS390X_OpGeq16(v *Value, config *Config) bool {
  1929  	b := v.Block
  1930  	_ = b
  1931  	// match: (Geq16  x y)
  1932  	// cond:
  1933  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  1934  	for {
  1935  		x := v.Args[0]
  1936  		y := v.Args[1]
  1937  		v.reset(OpS390XMOVDGE)
  1938  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1939  		v0.AuxInt = 0
  1940  		v.AddArg(v0)
  1941  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1942  		v1.AuxInt = 1
  1943  		v.AddArg(v1)
  1944  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  1945  		v3 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  1946  		v3.AddArg(x)
  1947  		v2.AddArg(v3)
  1948  		v4 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  1949  		v4.AddArg(y)
  1950  		v2.AddArg(v4)
  1951  		v.AddArg(v2)
  1952  		return true
  1953  	}
  1954  }
  1955  func rewriteValueS390X_OpGeq16U(v *Value, config *Config) bool {
  1956  	b := v.Block
  1957  	_ = b
  1958  	// match: (Geq16U x y)
  1959  	// cond:
  1960  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVHZreg x) (MOVHZreg y)))
  1961  	for {
  1962  		x := v.Args[0]
  1963  		y := v.Args[1]
  1964  		v.reset(OpS390XMOVDGE)
  1965  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1966  		v0.AuxInt = 0
  1967  		v.AddArg(v0)
  1968  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1969  		v1.AuxInt = 1
  1970  		v.AddArg(v1)
  1971  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  1972  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  1973  		v3.AddArg(x)
  1974  		v2.AddArg(v3)
  1975  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  1976  		v4.AddArg(y)
  1977  		v2.AddArg(v4)
  1978  		v.AddArg(v2)
  1979  		return true
  1980  	}
  1981  }
  1982  func rewriteValueS390X_OpGeq32(v *Value, config *Config) bool {
  1983  	b := v.Block
  1984  	_ = b
  1985  	// match: (Geq32  x y)
  1986  	// cond:
  1987  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  1988  	for {
  1989  		x := v.Args[0]
  1990  		y := v.Args[1]
  1991  		v.reset(OpS390XMOVDGE)
  1992  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1993  		v0.AuxInt = 0
  1994  		v.AddArg(v0)
  1995  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  1996  		v1.AuxInt = 1
  1997  		v.AddArg(v1)
  1998  		v2 := b.NewValue0(v.Pos, OpS390XCMPW, TypeFlags)
  1999  		v2.AddArg(x)
  2000  		v2.AddArg(y)
  2001  		v.AddArg(v2)
  2002  		return true
  2003  	}
  2004  }
  2005  func rewriteValueS390X_OpGeq32F(v *Value, config *Config) bool {
  2006  	b := v.Block
  2007  	_ = b
  2008  	// match: (Geq32F x y)
  2009  	// cond:
  2010  	// result: (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMPS x y))
  2011  	for {
  2012  		x := v.Args[0]
  2013  		y := v.Args[1]
  2014  		v.reset(OpS390XMOVDGEnoinv)
  2015  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2016  		v0.AuxInt = 0
  2017  		v.AddArg(v0)
  2018  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2019  		v1.AuxInt = 1
  2020  		v.AddArg(v1)
  2021  		v2 := b.NewValue0(v.Pos, OpS390XFCMPS, TypeFlags)
  2022  		v2.AddArg(x)
  2023  		v2.AddArg(y)
  2024  		v.AddArg(v2)
  2025  		return true
  2026  	}
  2027  }
  2028  func rewriteValueS390X_OpGeq32U(v *Value, config *Config) bool {
  2029  	b := v.Block
  2030  	_ = b
  2031  	// match: (Geq32U x y)
  2032  	// cond:
  2033  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPWU x y))
  2034  	for {
  2035  		x := v.Args[0]
  2036  		y := v.Args[1]
  2037  		v.reset(OpS390XMOVDGE)
  2038  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2039  		v0.AuxInt = 0
  2040  		v.AddArg(v0)
  2041  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2042  		v1.AuxInt = 1
  2043  		v.AddArg(v1)
  2044  		v2 := b.NewValue0(v.Pos, OpS390XCMPWU, TypeFlags)
  2045  		v2.AddArg(x)
  2046  		v2.AddArg(y)
  2047  		v.AddArg(v2)
  2048  		return true
  2049  	}
  2050  }
  2051  func rewriteValueS390X_OpGeq64(v *Value, config *Config) bool {
  2052  	b := v.Block
  2053  	_ = b
  2054  	// match: (Geq64  x y)
  2055  	// cond:
  2056  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  2057  	for {
  2058  		x := v.Args[0]
  2059  		y := v.Args[1]
  2060  		v.reset(OpS390XMOVDGE)
  2061  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2062  		v0.AuxInt = 0
  2063  		v.AddArg(v0)
  2064  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2065  		v1.AuxInt = 1
  2066  		v.AddArg(v1)
  2067  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2068  		v2.AddArg(x)
  2069  		v2.AddArg(y)
  2070  		v.AddArg(v2)
  2071  		return true
  2072  	}
  2073  }
  2074  func rewriteValueS390X_OpGeq64F(v *Value, config *Config) bool {
  2075  	b := v.Block
  2076  	_ = b
  2077  	// match: (Geq64F x y)
  2078  	// cond:
  2079  	// result: (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMP x y))
  2080  	for {
  2081  		x := v.Args[0]
  2082  		y := v.Args[1]
  2083  		v.reset(OpS390XMOVDGEnoinv)
  2084  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2085  		v0.AuxInt = 0
  2086  		v.AddArg(v0)
  2087  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2088  		v1.AuxInt = 1
  2089  		v.AddArg(v1)
  2090  		v2 := b.NewValue0(v.Pos, OpS390XFCMP, TypeFlags)
  2091  		v2.AddArg(x)
  2092  		v2.AddArg(y)
  2093  		v.AddArg(v2)
  2094  		return true
  2095  	}
  2096  }
  2097  func rewriteValueS390X_OpGeq64U(v *Value, config *Config) bool {
  2098  	b := v.Block
  2099  	_ = b
  2100  	// match: (Geq64U x y)
  2101  	// cond:
  2102  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPU x y))
  2103  	for {
  2104  		x := v.Args[0]
  2105  		y := v.Args[1]
  2106  		v.reset(OpS390XMOVDGE)
  2107  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2108  		v0.AuxInt = 0
  2109  		v.AddArg(v0)
  2110  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2111  		v1.AuxInt = 1
  2112  		v.AddArg(v1)
  2113  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2114  		v2.AddArg(x)
  2115  		v2.AddArg(y)
  2116  		v.AddArg(v2)
  2117  		return true
  2118  	}
  2119  }
  2120  func rewriteValueS390X_OpGeq8(v *Value, config *Config) bool {
  2121  	b := v.Block
  2122  	_ = b
  2123  	// match: (Geq8   x y)
  2124  	// cond:
  2125  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  2126  	for {
  2127  		x := v.Args[0]
  2128  		y := v.Args[1]
  2129  		v.reset(OpS390XMOVDGE)
  2130  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2131  		v0.AuxInt = 0
  2132  		v.AddArg(v0)
  2133  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2134  		v1.AuxInt = 1
  2135  		v.AddArg(v1)
  2136  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2137  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  2138  		v3.AddArg(x)
  2139  		v2.AddArg(v3)
  2140  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  2141  		v4.AddArg(y)
  2142  		v2.AddArg(v4)
  2143  		v.AddArg(v2)
  2144  		return true
  2145  	}
  2146  }
  2147  func rewriteValueS390X_OpGeq8U(v *Value, config *Config) bool {
  2148  	b := v.Block
  2149  	_ = b
  2150  	// match: (Geq8U  x y)
  2151  	// cond:
  2152  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVBZreg x) (MOVBZreg y)))
  2153  	for {
  2154  		x := v.Args[0]
  2155  		y := v.Args[1]
  2156  		v.reset(OpS390XMOVDGE)
  2157  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2158  		v0.AuxInt = 0
  2159  		v.AddArg(v0)
  2160  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2161  		v1.AuxInt = 1
  2162  		v.AddArg(v1)
  2163  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2164  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2165  		v3.AddArg(x)
  2166  		v2.AddArg(v3)
  2167  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2168  		v4.AddArg(y)
  2169  		v2.AddArg(v4)
  2170  		v.AddArg(v2)
  2171  		return true
  2172  	}
  2173  }
  2174  func rewriteValueS390X_OpGetClosurePtr(v *Value, config *Config) bool {
  2175  	b := v.Block
  2176  	_ = b
  2177  	// match: (GetClosurePtr)
  2178  	// cond:
  2179  	// result: (LoweredGetClosurePtr)
  2180  	for {
  2181  		v.reset(OpS390XLoweredGetClosurePtr)
  2182  		return true
  2183  	}
  2184  }
  2185  func rewriteValueS390X_OpGetG(v *Value, config *Config) bool {
  2186  	b := v.Block
  2187  	_ = b
  2188  	// match: (GetG mem)
  2189  	// cond:
  2190  	// result: (LoweredGetG mem)
  2191  	for {
  2192  		mem := v.Args[0]
  2193  		v.reset(OpS390XLoweredGetG)
  2194  		v.AddArg(mem)
  2195  		return true
  2196  	}
  2197  }
  2198  func rewriteValueS390X_OpGoCall(v *Value, config *Config) bool {
  2199  	b := v.Block
  2200  	_ = b
  2201  	// match: (GoCall [argwid] mem)
  2202  	// cond:
  2203  	// result: (CALLgo [argwid] mem)
  2204  	for {
  2205  		argwid := v.AuxInt
  2206  		mem := v.Args[0]
  2207  		v.reset(OpS390XCALLgo)
  2208  		v.AuxInt = argwid
  2209  		v.AddArg(mem)
  2210  		return true
  2211  	}
  2212  }
  2213  func rewriteValueS390X_OpGreater16(v *Value, config *Config) bool {
  2214  	b := v.Block
  2215  	_ = b
  2216  	// match: (Greater16  x y)
  2217  	// cond:
  2218  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  2219  	for {
  2220  		x := v.Args[0]
  2221  		y := v.Args[1]
  2222  		v.reset(OpS390XMOVDGT)
  2223  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2224  		v0.AuxInt = 0
  2225  		v.AddArg(v0)
  2226  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2227  		v1.AuxInt = 1
  2228  		v.AddArg(v1)
  2229  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2230  		v3 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  2231  		v3.AddArg(x)
  2232  		v2.AddArg(v3)
  2233  		v4 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  2234  		v4.AddArg(y)
  2235  		v2.AddArg(v4)
  2236  		v.AddArg(v2)
  2237  		return true
  2238  	}
  2239  }
  2240  func rewriteValueS390X_OpGreater16U(v *Value, config *Config) bool {
  2241  	b := v.Block
  2242  	_ = b
  2243  	// match: (Greater16U x y)
  2244  	// cond:
  2245  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVHZreg x) (MOVHZreg y)))
  2246  	for {
  2247  		x := v.Args[0]
  2248  		y := v.Args[1]
  2249  		v.reset(OpS390XMOVDGT)
  2250  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2251  		v0.AuxInt = 0
  2252  		v.AddArg(v0)
  2253  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2254  		v1.AuxInt = 1
  2255  		v.AddArg(v1)
  2256  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2257  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2258  		v3.AddArg(x)
  2259  		v2.AddArg(v3)
  2260  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2261  		v4.AddArg(y)
  2262  		v2.AddArg(v4)
  2263  		v.AddArg(v2)
  2264  		return true
  2265  	}
  2266  }
  2267  func rewriteValueS390X_OpGreater32(v *Value, config *Config) bool {
  2268  	b := v.Block
  2269  	_ = b
  2270  	// match: (Greater32  x y)
  2271  	// cond:
  2272  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  2273  	for {
  2274  		x := v.Args[0]
  2275  		y := v.Args[1]
  2276  		v.reset(OpS390XMOVDGT)
  2277  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2278  		v0.AuxInt = 0
  2279  		v.AddArg(v0)
  2280  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2281  		v1.AuxInt = 1
  2282  		v.AddArg(v1)
  2283  		v2 := b.NewValue0(v.Pos, OpS390XCMPW, TypeFlags)
  2284  		v2.AddArg(x)
  2285  		v2.AddArg(y)
  2286  		v.AddArg(v2)
  2287  		return true
  2288  	}
  2289  }
  2290  func rewriteValueS390X_OpGreater32F(v *Value, config *Config) bool {
  2291  	b := v.Block
  2292  	_ = b
  2293  	// match: (Greater32F x y)
  2294  	// cond:
  2295  	// result: (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMPS x y))
  2296  	for {
  2297  		x := v.Args[0]
  2298  		y := v.Args[1]
  2299  		v.reset(OpS390XMOVDGTnoinv)
  2300  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2301  		v0.AuxInt = 0
  2302  		v.AddArg(v0)
  2303  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2304  		v1.AuxInt = 1
  2305  		v.AddArg(v1)
  2306  		v2 := b.NewValue0(v.Pos, OpS390XFCMPS, TypeFlags)
  2307  		v2.AddArg(x)
  2308  		v2.AddArg(y)
  2309  		v.AddArg(v2)
  2310  		return true
  2311  	}
  2312  }
  2313  func rewriteValueS390X_OpGreater32U(v *Value, config *Config) bool {
  2314  	b := v.Block
  2315  	_ = b
  2316  	// match: (Greater32U x y)
  2317  	// cond:
  2318  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPWU x y))
  2319  	for {
  2320  		x := v.Args[0]
  2321  		y := v.Args[1]
  2322  		v.reset(OpS390XMOVDGT)
  2323  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2324  		v0.AuxInt = 0
  2325  		v.AddArg(v0)
  2326  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2327  		v1.AuxInt = 1
  2328  		v.AddArg(v1)
  2329  		v2 := b.NewValue0(v.Pos, OpS390XCMPWU, TypeFlags)
  2330  		v2.AddArg(x)
  2331  		v2.AddArg(y)
  2332  		v.AddArg(v2)
  2333  		return true
  2334  	}
  2335  }
  2336  func rewriteValueS390X_OpGreater64(v *Value, config *Config) bool {
  2337  	b := v.Block
  2338  	_ = b
  2339  	// match: (Greater64  x y)
  2340  	// cond:
  2341  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  2342  	for {
  2343  		x := v.Args[0]
  2344  		y := v.Args[1]
  2345  		v.reset(OpS390XMOVDGT)
  2346  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2347  		v0.AuxInt = 0
  2348  		v.AddArg(v0)
  2349  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2350  		v1.AuxInt = 1
  2351  		v.AddArg(v1)
  2352  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2353  		v2.AddArg(x)
  2354  		v2.AddArg(y)
  2355  		v.AddArg(v2)
  2356  		return true
  2357  	}
  2358  }
  2359  func rewriteValueS390X_OpGreater64F(v *Value, config *Config) bool {
  2360  	b := v.Block
  2361  	_ = b
  2362  	// match: (Greater64F x y)
  2363  	// cond:
  2364  	// result: (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMP x y))
  2365  	for {
  2366  		x := v.Args[0]
  2367  		y := v.Args[1]
  2368  		v.reset(OpS390XMOVDGTnoinv)
  2369  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2370  		v0.AuxInt = 0
  2371  		v.AddArg(v0)
  2372  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2373  		v1.AuxInt = 1
  2374  		v.AddArg(v1)
  2375  		v2 := b.NewValue0(v.Pos, OpS390XFCMP, TypeFlags)
  2376  		v2.AddArg(x)
  2377  		v2.AddArg(y)
  2378  		v.AddArg(v2)
  2379  		return true
  2380  	}
  2381  }
  2382  func rewriteValueS390X_OpGreater64U(v *Value, config *Config) bool {
  2383  	b := v.Block
  2384  	_ = b
  2385  	// match: (Greater64U x y)
  2386  	// cond:
  2387  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPU x y))
  2388  	for {
  2389  		x := v.Args[0]
  2390  		y := v.Args[1]
  2391  		v.reset(OpS390XMOVDGT)
  2392  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2393  		v0.AuxInt = 0
  2394  		v.AddArg(v0)
  2395  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2396  		v1.AuxInt = 1
  2397  		v.AddArg(v1)
  2398  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2399  		v2.AddArg(x)
  2400  		v2.AddArg(y)
  2401  		v.AddArg(v2)
  2402  		return true
  2403  	}
  2404  }
  2405  func rewriteValueS390X_OpGreater8(v *Value, config *Config) bool {
  2406  	b := v.Block
  2407  	_ = b
  2408  	// match: (Greater8   x y)
  2409  	// cond:
  2410  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  2411  	for {
  2412  		x := v.Args[0]
  2413  		y := v.Args[1]
  2414  		v.reset(OpS390XMOVDGT)
  2415  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2416  		v0.AuxInt = 0
  2417  		v.AddArg(v0)
  2418  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2419  		v1.AuxInt = 1
  2420  		v.AddArg(v1)
  2421  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2422  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  2423  		v3.AddArg(x)
  2424  		v2.AddArg(v3)
  2425  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  2426  		v4.AddArg(y)
  2427  		v2.AddArg(v4)
  2428  		v.AddArg(v2)
  2429  		return true
  2430  	}
  2431  }
  2432  func rewriteValueS390X_OpGreater8U(v *Value, config *Config) bool {
  2433  	b := v.Block
  2434  	_ = b
  2435  	// match: (Greater8U  x y)
  2436  	// cond:
  2437  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVBZreg x) (MOVBZreg y)))
  2438  	for {
  2439  		x := v.Args[0]
  2440  		y := v.Args[1]
  2441  		v.reset(OpS390XMOVDGT)
  2442  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2443  		v0.AuxInt = 0
  2444  		v.AddArg(v0)
  2445  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2446  		v1.AuxInt = 1
  2447  		v.AddArg(v1)
  2448  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2449  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2450  		v3.AddArg(x)
  2451  		v2.AddArg(v3)
  2452  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2453  		v4.AddArg(y)
  2454  		v2.AddArg(v4)
  2455  		v.AddArg(v2)
  2456  		return true
  2457  	}
  2458  }
  2459  func rewriteValueS390X_OpHmul16(v *Value, config *Config) bool {
  2460  	b := v.Block
  2461  	_ = b
  2462  	// match: (Hmul16  x y)
  2463  	// cond:
  2464  	// result: (SRDconst [16] (MULLW (MOVHreg x) (MOVHreg y)))
  2465  	for {
  2466  		x := v.Args[0]
  2467  		y := v.Args[1]
  2468  		v.reset(OpS390XSRDconst)
  2469  		v.AuxInt = 16
  2470  		v0 := b.NewValue0(v.Pos, OpS390XMULLW, config.fe.TypeInt32())
  2471  		v1 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  2472  		v1.AddArg(x)
  2473  		v0.AddArg(v1)
  2474  		v2 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  2475  		v2.AddArg(y)
  2476  		v0.AddArg(v2)
  2477  		v.AddArg(v0)
  2478  		return true
  2479  	}
  2480  }
  2481  func rewriteValueS390X_OpHmul16u(v *Value, config *Config) bool {
  2482  	b := v.Block
  2483  	_ = b
  2484  	// match: (Hmul16u x y)
  2485  	// cond:
  2486  	// result: (SRDconst [16] (MULLW (MOVHZreg x) (MOVHZreg y)))
  2487  	for {
  2488  		x := v.Args[0]
  2489  		y := v.Args[1]
  2490  		v.reset(OpS390XSRDconst)
  2491  		v.AuxInt = 16
  2492  		v0 := b.NewValue0(v.Pos, OpS390XMULLW, config.fe.TypeInt32())
  2493  		v1 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2494  		v1.AddArg(x)
  2495  		v0.AddArg(v1)
  2496  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2497  		v2.AddArg(y)
  2498  		v0.AddArg(v2)
  2499  		v.AddArg(v0)
  2500  		return true
  2501  	}
  2502  }
  2503  func rewriteValueS390X_OpHmul32(v *Value, config *Config) bool {
  2504  	b := v.Block
  2505  	_ = b
  2506  	// match: (Hmul32  x y)
  2507  	// cond:
  2508  	// result: (SRDconst [32] (MULLD (MOVWreg x) (MOVWreg y)))
  2509  	for {
  2510  		x := v.Args[0]
  2511  		y := v.Args[1]
  2512  		v.reset(OpS390XSRDconst)
  2513  		v.AuxInt = 32
  2514  		v0 := b.NewValue0(v.Pos, OpS390XMULLD, config.fe.TypeInt64())
  2515  		v1 := b.NewValue0(v.Pos, OpS390XMOVWreg, config.fe.TypeInt64())
  2516  		v1.AddArg(x)
  2517  		v0.AddArg(v1)
  2518  		v2 := b.NewValue0(v.Pos, OpS390XMOVWreg, config.fe.TypeInt64())
  2519  		v2.AddArg(y)
  2520  		v0.AddArg(v2)
  2521  		v.AddArg(v0)
  2522  		return true
  2523  	}
  2524  }
  2525  func rewriteValueS390X_OpHmul32u(v *Value, config *Config) bool {
  2526  	b := v.Block
  2527  	_ = b
  2528  	// match: (Hmul32u x y)
  2529  	// cond:
  2530  	// result: (SRDconst [32] (MULLD (MOVWZreg x) (MOVWZreg y)))
  2531  	for {
  2532  		x := v.Args[0]
  2533  		y := v.Args[1]
  2534  		v.reset(OpS390XSRDconst)
  2535  		v.AuxInt = 32
  2536  		v0 := b.NewValue0(v.Pos, OpS390XMULLD, config.fe.TypeInt64())
  2537  		v1 := b.NewValue0(v.Pos, OpS390XMOVWZreg, config.fe.TypeUInt64())
  2538  		v1.AddArg(x)
  2539  		v0.AddArg(v1)
  2540  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZreg, config.fe.TypeUInt64())
  2541  		v2.AddArg(y)
  2542  		v0.AddArg(v2)
  2543  		v.AddArg(v0)
  2544  		return true
  2545  	}
  2546  }
  2547  func rewriteValueS390X_OpHmul64(v *Value, config *Config) bool {
  2548  	b := v.Block
  2549  	_ = b
  2550  	// match: (Hmul64  x y)
  2551  	// cond:
  2552  	// result: (MULHD  x y)
  2553  	for {
  2554  		x := v.Args[0]
  2555  		y := v.Args[1]
  2556  		v.reset(OpS390XMULHD)
  2557  		v.AddArg(x)
  2558  		v.AddArg(y)
  2559  		return true
  2560  	}
  2561  }
  2562  func rewriteValueS390X_OpHmul64u(v *Value, config *Config) bool {
  2563  	b := v.Block
  2564  	_ = b
  2565  	// match: (Hmul64u x y)
  2566  	// cond:
  2567  	// result: (MULHDU x y)
  2568  	for {
  2569  		x := v.Args[0]
  2570  		y := v.Args[1]
  2571  		v.reset(OpS390XMULHDU)
  2572  		v.AddArg(x)
  2573  		v.AddArg(y)
  2574  		return true
  2575  	}
  2576  }
  2577  func rewriteValueS390X_OpHmul8(v *Value, config *Config) bool {
  2578  	b := v.Block
  2579  	_ = b
  2580  	// match: (Hmul8   x y)
  2581  	// cond:
  2582  	// result: (SRDconst [8] (MULLW (MOVBreg x) (MOVBreg y)))
  2583  	for {
  2584  		x := v.Args[0]
  2585  		y := v.Args[1]
  2586  		v.reset(OpS390XSRDconst)
  2587  		v.AuxInt = 8
  2588  		v0 := b.NewValue0(v.Pos, OpS390XMULLW, config.fe.TypeInt32())
  2589  		v1 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  2590  		v1.AddArg(x)
  2591  		v0.AddArg(v1)
  2592  		v2 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  2593  		v2.AddArg(y)
  2594  		v0.AddArg(v2)
  2595  		v.AddArg(v0)
  2596  		return true
  2597  	}
  2598  }
  2599  func rewriteValueS390X_OpHmul8u(v *Value, config *Config) bool {
  2600  	b := v.Block
  2601  	_ = b
  2602  	// match: (Hmul8u  x y)
  2603  	// cond:
  2604  	// result: (SRDconst [8] (MULLW (MOVBZreg x) (MOVBZreg y)))
  2605  	for {
  2606  		x := v.Args[0]
  2607  		y := v.Args[1]
  2608  		v.reset(OpS390XSRDconst)
  2609  		v.AuxInt = 8
  2610  		v0 := b.NewValue0(v.Pos, OpS390XMULLW, config.fe.TypeInt32())
  2611  		v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2612  		v1.AddArg(x)
  2613  		v0.AddArg(v1)
  2614  		v2 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2615  		v2.AddArg(y)
  2616  		v0.AddArg(v2)
  2617  		v.AddArg(v0)
  2618  		return true
  2619  	}
  2620  }
  2621  func rewriteValueS390X_OpITab(v *Value, config *Config) bool {
  2622  	b := v.Block
  2623  	_ = b
  2624  	// match: (ITab (Load ptr mem))
  2625  	// cond:
  2626  	// result: (MOVDload ptr mem)
  2627  	for {
  2628  		v_0 := v.Args[0]
  2629  		if v_0.Op != OpLoad {
  2630  			break
  2631  		}
  2632  		ptr := v_0.Args[0]
  2633  		mem := v_0.Args[1]
  2634  		v.reset(OpS390XMOVDload)
  2635  		v.AddArg(ptr)
  2636  		v.AddArg(mem)
  2637  		return true
  2638  	}
  2639  	return false
  2640  }
  2641  func rewriteValueS390X_OpInterCall(v *Value, config *Config) bool {
  2642  	b := v.Block
  2643  	_ = b
  2644  	// match: (InterCall [argwid] entry mem)
  2645  	// cond:
  2646  	// result: (CALLinter [argwid] entry mem)
  2647  	for {
  2648  		argwid := v.AuxInt
  2649  		entry := v.Args[0]
  2650  		mem := v.Args[1]
  2651  		v.reset(OpS390XCALLinter)
  2652  		v.AuxInt = argwid
  2653  		v.AddArg(entry)
  2654  		v.AddArg(mem)
  2655  		return true
  2656  	}
  2657  }
  2658  func rewriteValueS390X_OpIsInBounds(v *Value, config *Config) bool {
  2659  	b := v.Block
  2660  	_ = b
  2661  	// match: (IsInBounds idx len)
  2662  	// cond:
  2663  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPU idx len))
  2664  	for {
  2665  		idx := v.Args[0]
  2666  		len := v.Args[1]
  2667  		v.reset(OpS390XMOVDLT)
  2668  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2669  		v0.AuxInt = 0
  2670  		v.AddArg(v0)
  2671  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2672  		v1.AuxInt = 1
  2673  		v.AddArg(v1)
  2674  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2675  		v2.AddArg(idx)
  2676  		v2.AddArg(len)
  2677  		v.AddArg(v2)
  2678  		return true
  2679  	}
  2680  }
  2681  func rewriteValueS390X_OpIsNonNil(v *Value, config *Config) bool {
  2682  	b := v.Block
  2683  	_ = b
  2684  	// match: (IsNonNil p)
  2685  	// cond:
  2686  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMPconst p [0]))
  2687  	for {
  2688  		p := v.Args[0]
  2689  		v.reset(OpS390XMOVDNE)
  2690  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2691  		v0.AuxInt = 0
  2692  		v.AddArg(v0)
  2693  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2694  		v1.AuxInt = 1
  2695  		v.AddArg(v1)
  2696  		v2 := b.NewValue0(v.Pos, OpS390XCMPconst, TypeFlags)
  2697  		v2.AuxInt = 0
  2698  		v2.AddArg(p)
  2699  		v.AddArg(v2)
  2700  		return true
  2701  	}
  2702  }
  2703  func rewriteValueS390X_OpIsSliceInBounds(v *Value, config *Config) bool {
  2704  	b := v.Block
  2705  	_ = b
  2706  	// match: (IsSliceInBounds idx len)
  2707  	// cond:
  2708  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPU idx len))
  2709  	for {
  2710  		idx := v.Args[0]
  2711  		len := v.Args[1]
  2712  		v.reset(OpS390XMOVDLE)
  2713  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2714  		v0.AuxInt = 0
  2715  		v.AddArg(v0)
  2716  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2717  		v1.AuxInt = 1
  2718  		v.AddArg(v1)
  2719  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2720  		v2.AddArg(idx)
  2721  		v2.AddArg(len)
  2722  		v.AddArg(v2)
  2723  		return true
  2724  	}
  2725  }
  2726  func rewriteValueS390X_OpLeq16(v *Value, config *Config) bool {
  2727  	b := v.Block
  2728  	_ = b
  2729  	// match: (Leq16  x y)
  2730  	// cond:
  2731  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  2732  	for {
  2733  		x := v.Args[0]
  2734  		y := v.Args[1]
  2735  		v.reset(OpS390XMOVDLE)
  2736  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2737  		v0.AuxInt = 0
  2738  		v.AddArg(v0)
  2739  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2740  		v1.AuxInt = 1
  2741  		v.AddArg(v1)
  2742  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2743  		v3 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  2744  		v3.AddArg(x)
  2745  		v2.AddArg(v3)
  2746  		v4 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  2747  		v4.AddArg(y)
  2748  		v2.AddArg(v4)
  2749  		v.AddArg(v2)
  2750  		return true
  2751  	}
  2752  }
  2753  func rewriteValueS390X_OpLeq16U(v *Value, config *Config) bool {
  2754  	b := v.Block
  2755  	_ = b
  2756  	// match: (Leq16U x y)
  2757  	// cond:
  2758  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVHZreg x) (MOVHZreg y)))
  2759  	for {
  2760  		x := v.Args[0]
  2761  		y := v.Args[1]
  2762  		v.reset(OpS390XMOVDLE)
  2763  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2764  		v0.AuxInt = 0
  2765  		v.AddArg(v0)
  2766  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2767  		v1.AuxInt = 1
  2768  		v.AddArg(v1)
  2769  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2770  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2771  		v3.AddArg(x)
  2772  		v2.AddArg(v3)
  2773  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2774  		v4.AddArg(y)
  2775  		v2.AddArg(v4)
  2776  		v.AddArg(v2)
  2777  		return true
  2778  	}
  2779  }
  2780  func rewriteValueS390X_OpLeq32(v *Value, config *Config) bool {
  2781  	b := v.Block
  2782  	_ = b
  2783  	// match: (Leq32  x y)
  2784  	// cond:
  2785  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  2786  	for {
  2787  		x := v.Args[0]
  2788  		y := v.Args[1]
  2789  		v.reset(OpS390XMOVDLE)
  2790  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2791  		v0.AuxInt = 0
  2792  		v.AddArg(v0)
  2793  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2794  		v1.AuxInt = 1
  2795  		v.AddArg(v1)
  2796  		v2 := b.NewValue0(v.Pos, OpS390XCMPW, TypeFlags)
  2797  		v2.AddArg(x)
  2798  		v2.AddArg(y)
  2799  		v.AddArg(v2)
  2800  		return true
  2801  	}
  2802  }
  2803  func rewriteValueS390X_OpLeq32F(v *Value, config *Config) bool {
  2804  	b := v.Block
  2805  	_ = b
  2806  	// match: (Leq32F x y)
  2807  	// cond:
  2808  	// result: (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMPS y x))
  2809  	for {
  2810  		x := v.Args[0]
  2811  		y := v.Args[1]
  2812  		v.reset(OpS390XMOVDGEnoinv)
  2813  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2814  		v0.AuxInt = 0
  2815  		v.AddArg(v0)
  2816  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2817  		v1.AuxInt = 1
  2818  		v.AddArg(v1)
  2819  		v2 := b.NewValue0(v.Pos, OpS390XFCMPS, TypeFlags)
  2820  		v2.AddArg(y)
  2821  		v2.AddArg(x)
  2822  		v.AddArg(v2)
  2823  		return true
  2824  	}
  2825  }
  2826  func rewriteValueS390X_OpLeq32U(v *Value, config *Config) bool {
  2827  	b := v.Block
  2828  	_ = b
  2829  	// match: (Leq32U x y)
  2830  	// cond:
  2831  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPWU x y))
  2832  	for {
  2833  		x := v.Args[0]
  2834  		y := v.Args[1]
  2835  		v.reset(OpS390XMOVDLE)
  2836  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2837  		v0.AuxInt = 0
  2838  		v.AddArg(v0)
  2839  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2840  		v1.AuxInt = 1
  2841  		v.AddArg(v1)
  2842  		v2 := b.NewValue0(v.Pos, OpS390XCMPWU, TypeFlags)
  2843  		v2.AddArg(x)
  2844  		v2.AddArg(y)
  2845  		v.AddArg(v2)
  2846  		return true
  2847  	}
  2848  }
  2849  func rewriteValueS390X_OpLeq64(v *Value, config *Config) bool {
  2850  	b := v.Block
  2851  	_ = b
  2852  	// match: (Leq64  x y)
  2853  	// cond:
  2854  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  2855  	for {
  2856  		x := v.Args[0]
  2857  		y := v.Args[1]
  2858  		v.reset(OpS390XMOVDLE)
  2859  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2860  		v0.AuxInt = 0
  2861  		v.AddArg(v0)
  2862  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2863  		v1.AuxInt = 1
  2864  		v.AddArg(v1)
  2865  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2866  		v2.AddArg(x)
  2867  		v2.AddArg(y)
  2868  		v.AddArg(v2)
  2869  		return true
  2870  	}
  2871  }
  2872  func rewriteValueS390X_OpLeq64F(v *Value, config *Config) bool {
  2873  	b := v.Block
  2874  	_ = b
  2875  	// match: (Leq64F x y)
  2876  	// cond:
  2877  	// result: (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMP y x))
  2878  	for {
  2879  		x := v.Args[0]
  2880  		y := v.Args[1]
  2881  		v.reset(OpS390XMOVDGEnoinv)
  2882  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2883  		v0.AuxInt = 0
  2884  		v.AddArg(v0)
  2885  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2886  		v1.AuxInt = 1
  2887  		v.AddArg(v1)
  2888  		v2 := b.NewValue0(v.Pos, OpS390XFCMP, TypeFlags)
  2889  		v2.AddArg(y)
  2890  		v2.AddArg(x)
  2891  		v.AddArg(v2)
  2892  		return true
  2893  	}
  2894  }
  2895  func rewriteValueS390X_OpLeq64U(v *Value, config *Config) bool {
  2896  	b := v.Block
  2897  	_ = b
  2898  	// match: (Leq64U x y)
  2899  	// cond:
  2900  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPU x y))
  2901  	for {
  2902  		x := v.Args[0]
  2903  		y := v.Args[1]
  2904  		v.reset(OpS390XMOVDLE)
  2905  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2906  		v0.AuxInt = 0
  2907  		v.AddArg(v0)
  2908  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2909  		v1.AuxInt = 1
  2910  		v.AddArg(v1)
  2911  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2912  		v2.AddArg(x)
  2913  		v2.AddArg(y)
  2914  		v.AddArg(v2)
  2915  		return true
  2916  	}
  2917  }
  2918  func rewriteValueS390X_OpLeq8(v *Value, config *Config) bool {
  2919  	b := v.Block
  2920  	_ = b
  2921  	// match: (Leq8   x y)
  2922  	// cond:
  2923  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  2924  	for {
  2925  		x := v.Args[0]
  2926  		y := v.Args[1]
  2927  		v.reset(OpS390XMOVDLE)
  2928  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2929  		v0.AuxInt = 0
  2930  		v.AddArg(v0)
  2931  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2932  		v1.AuxInt = 1
  2933  		v.AddArg(v1)
  2934  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2935  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  2936  		v3.AddArg(x)
  2937  		v2.AddArg(v3)
  2938  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  2939  		v4.AddArg(y)
  2940  		v2.AddArg(v4)
  2941  		v.AddArg(v2)
  2942  		return true
  2943  	}
  2944  }
  2945  func rewriteValueS390X_OpLeq8U(v *Value, config *Config) bool {
  2946  	b := v.Block
  2947  	_ = b
  2948  	// match: (Leq8U  x y)
  2949  	// cond:
  2950  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVBZreg x) (MOVBZreg y)))
  2951  	for {
  2952  		x := v.Args[0]
  2953  		y := v.Args[1]
  2954  		v.reset(OpS390XMOVDLE)
  2955  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2956  		v0.AuxInt = 0
  2957  		v.AddArg(v0)
  2958  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2959  		v1.AuxInt = 1
  2960  		v.AddArg(v1)
  2961  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  2962  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2963  		v3.AddArg(x)
  2964  		v2.AddArg(v3)
  2965  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2966  		v4.AddArg(y)
  2967  		v2.AddArg(v4)
  2968  		v.AddArg(v2)
  2969  		return true
  2970  	}
  2971  }
  2972  func rewriteValueS390X_OpLess16(v *Value, config *Config) bool {
  2973  	b := v.Block
  2974  	_ = b
  2975  	// match: (Less16  x y)
  2976  	// cond:
  2977  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  2978  	for {
  2979  		x := v.Args[0]
  2980  		y := v.Args[1]
  2981  		v.reset(OpS390XMOVDLT)
  2982  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2983  		v0.AuxInt = 0
  2984  		v.AddArg(v0)
  2985  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  2986  		v1.AuxInt = 1
  2987  		v.AddArg(v1)
  2988  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  2989  		v3 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  2990  		v3.AddArg(x)
  2991  		v2.AddArg(v3)
  2992  		v4 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  2993  		v4.AddArg(y)
  2994  		v2.AddArg(v4)
  2995  		v.AddArg(v2)
  2996  		return true
  2997  	}
  2998  }
  2999  func rewriteValueS390X_OpLess16U(v *Value, config *Config) bool {
  3000  	b := v.Block
  3001  	_ = b
  3002  	// match: (Less16U x y)
  3003  	// cond:
  3004  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVHZreg x) (MOVHZreg y)))
  3005  	for {
  3006  		x := v.Args[0]
  3007  		y := v.Args[1]
  3008  		v.reset(OpS390XMOVDLT)
  3009  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3010  		v0.AuxInt = 0
  3011  		v.AddArg(v0)
  3012  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3013  		v1.AuxInt = 1
  3014  		v.AddArg(v1)
  3015  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  3016  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3017  		v3.AddArg(x)
  3018  		v2.AddArg(v3)
  3019  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3020  		v4.AddArg(y)
  3021  		v2.AddArg(v4)
  3022  		v.AddArg(v2)
  3023  		return true
  3024  	}
  3025  }
  3026  func rewriteValueS390X_OpLess32(v *Value, config *Config) bool {
  3027  	b := v.Block
  3028  	_ = b
  3029  	// match: (Less32  x y)
  3030  	// cond:
  3031  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  3032  	for {
  3033  		x := v.Args[0]
  3034  		y := v.Args[1]
  3035  		v.reset(OpS390XMOVDLT)
  3036  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3037  		v0.AuxInt = 0
  3038  		v.AddArg(v0)
  3039  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3040  		v1.AuxInt = 1
  3041  		v.AddArg(v1)
  3042  		v2 := b.NewValue0(v.Pos, OpS390XCMPW, TypeFlags)
  3043  		v2.AddArg(x)
  3044  		v2.AddArg(y)
  3045  		v.AddArg(v2)
  3046  		return true
  3047  	}
  3048  }
  3049  func rewriteValueS390X_OpLess32F(v *Value, config *Config) bool {
  3050  	b := v.Block
  3051  	_ = b
  3052  	// match: (Less32F x y)
  3053  	// cond:
  3054  	// result: (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMPS y x))
  3055  	for {
  3056  		x := v.Args[0]
  3057  		y := v.Args[1]
  3058  		v.reset(OpS390XMOVDGTnoinv)
  3059  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3060  		v0.AuxInt = 0
  3061  		v.AddArg(v0)
  3062  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3063  		v1.AuxInt = 1
  3064  		v.AddArg(v1)
  3065  		v2 := b.NewValue0(v.Pos, OpS390XFCMPS, TypeFlags)
  3066  		v2.AddArg(y)
  3067  		v2.AddArg(x)
  3068  		v.AddArg(v2)
  3069  		return true
  3070  	}
  3071  }
  3072  func rewriteValueS390X_OpLess32U(v *Value, config *Config) bool {
  3073  	b := v.Block
  3074  	_ = b
  3075  	// match: (Less32U x y)
  3076  	// cond:
  3077  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPWU x y))
  3078  	for {
  3079  		x := v.Args[0]
  3080  		y := v.Args[1]
  3081  		v.reset(OpS390XMOVDLT)
  3082  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3083  		v0.AuxInt = 0
  3084  		v.AddArg(v0)
  3085  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3086  		v1.AuxInt = 1
  3087  		v.AddArg(v1)
  3088  		v2 := b.NewValue0(v.Pos, OpS390XCMPWU, TypeFlags)
  3089  		v2.AddArg(x)
  3090  		v2.AddArg(y)
  3091  		v.AddArg(v2)
  3092  		return true
  3093  	}
  3094  }
  3095  func rewriteValueS390X_OpLess64(v *Value, config *Config) bool {
  3096  	b := v.Block
  3097  	_ = b
  3098  	// match: (Less64  x y)
  3099  	// cond:
  3100  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  3101  	for {
  3102  		x := v.Args[0]
  3103  		y := v.Args[1]
  3104  		v.reset(OpS390XMOVDLT)
  3105  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3106  		v0.AuxInt = 0
  3107  		v.AddArg(v0)
  3108  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3109  		v1.AuxInt = 1
  3110  		v.AddArg(v1)
  3111  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  3112  		v2.AddArg(x)
  3113  		v2.AddArg(y)
  3114  		v.AddArg(v2)
  3115  		return true
  3116  	}
  3117  }
  3118  func rewriteValueS390X_OpLess64F(v *Value, config *Config) bool {
  3119  	b := v.Block
  3120  	_ = b
  3121  	// match: (Less64F x y)
  3122  	// cond:
  3123  	// result: (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMP y x))
  3124  	for {
  3125  		x := v.Args[0]
  3126  		y := v.Args[1]
  3127  		v.reset(OpS390XMOVDGTnoinv)
  3128  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3129  		v0.AuxInt = 0
  3130  		v.AddArg(v0)
  3131  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3132  		v1.AuxInt = 1
  3133  		v.AddArg(v1)
  3134  		v2 := b.NewValue0(v.Pos, OpS390XFCMP, TypeFlags)
  3135  		v2.AddArg(y)
  3136  		v2.AddArg(x)
  3137  		v.AddArg(v2)
  3138  		return true
  3139  	}
  3140  }
  3141  func rewriteValueS390X_OpLess64U(v *Value, config *Config) bool {
  3142  	b := v.Block
  3143  	_ = b
  3144  	// match: (Less64U x y)
  3145  	// cond:
  3146  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPU x y))
  3147  	for {
  3148  		x := v.Args[0]
  3149  		y := v.Args[1]
  3150  		v.reset(OpS390XMOVDLT)
  3151  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3152  		v0.AuxInt = 0
  3153  		v.AddArg(v0)
  3154  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3155  		v1.AuxInt = 1
  3156  		v.AddArg(v1)
  3157  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  3158  		v2.AddArg(x)
  3159  		v2.AddArg(y)
  3160  		v.AddArg(v2)
  3161  		return true
  3162  	}
  3163  }
  3164  func rewriteValueS390X_OpLess8(v *Value, config *Config) bool {
  3165  	b := v.Block
  3166  	_ = b
  3167  	// match: (Less8   x y)
  3168  	// cond:
  3169  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  3170  	for {
  3171  		x := v.Args[0]
  3172  		y := v.Args[1]
  3173  		v.reset(OpS390XMOVDLT)
  3174  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3175  		v0.AuxInt = 0
  3176  		v.AddArg(v0)
  3177  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3178  		v1.AuxInt = 1
  3179  		v.AddArg(v1)
  3180  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  3181  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  3182  		v3.AddArg(x)
  3183  		v2.AddArg(v3)
  3184  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  3185  		v4.AddArg(y)
  3186  		v2.AddArg(v4)
  3187  		v.AddArg(v2)
  3188  		return true
  3189  	}
  3190  }
  3191  func rewriteValueS390X_OpLess8U(v *Value, config *Config) bool {
  3192  	b := v.Block
  3193  	_ = b
  3194  	// match: (Less8U  x y)
  3195  	// cond:
  3196  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVBZreg x) (MOVBZreg y)))
  3197  	for {
  3198  		x := v.Args[0]
  3199  		y := v.Args[1]
  3200  		v.reset(OpS390XMOVDLT)
  3201  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3202  		v0.AuxInt = 0
  3203  		v.AddArg(v0)
  3204  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  3205  		v1.AuxInt = 1
  3206  		v.AddArg(v1)
  3207  		v2 := b.NewValue0(v.Pos, OpS390XCMPU, TypeFlags)
  3208  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3209  		v3.AddArg(x)
  3210  		v2.AddArg(v3)
  3211  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3212  		v4.AddArg(y)
  3213  		v2.AddArg(v4)
  3214  		v.AddArg(v2)
  3215  		return true
  3216  	}
  3217  }
  3218  func rewriteValueS390X_OpLoad(v *Value, config *Config) bool {
  3219  	b := v.Block
  3220  	_ = b
  3221  	// match: (Load <t> ptr mem)
  3222  	// cond: (is64BitInt(t) || isPtr(t))
  3223  	// result: (MOVDload ptr mem)
  3224  	for {
  3225  		t := v.Type
  3226  		ptr := v.Args[0]
  3227  		mem := v.Args[1]
  3228  		if !(is64BitInt(t) || isPtr(t)) {
  3229  			break
  3230  		}
  3231  		v.reset(OpS390XMOVDload)
  3232  		v.AddArg(ptr)
  3233  		v.AddArg(mem)
  3234  		return true
  3235  	}
  3236  	// match: (Load <t> ptr mem)
  3237  	// cond: is32BitInt(t) && isSigned(t)
  3238  	// result: (MOVWload ptr mem)
  3239  	for {
  3240  		t := v.Type
  3241  		ptr := v.Args[0]
  3242  		mem := v.Args[1]
  3243  		if !(is32BitInt(t) && isSigned(t)) {
  3244  			break
  3245  		}
  3246  		v.reset(OpS390XMOVWload)
  3247  		v.AddArg(ptr)
  3248  		v.AddArg(mem)
  3249  		return true
  3250  	}
  3251  	// match: (Load <t> ptr mem)
  3252  	// cond: is32BitInt(t) && !isSigned(t)
  3253  	// result: (MOVWZload ptr mem)
  3254  	for {
  3255  		t := v.Type
  3256  		ptr := v.Args[0]
  3257  		mem := v.Args[1]
  3258  		if !(is32BitInt(t) && !isSigned(t)) {
  3259  			break
  3260  		}
  3261  		v.reset(OpS390XMOVWZload)
  3262  		v.AddArg(ptr)
  3263  		v.AddArg(mem)
  3264  		return true
  3265  	}
  3266  	// match: (Load <t> ptr mem)
  3267  	// cond: is16BitInt(t) && isSigned(t)
  3268  	// result: (MOVHload ptr mem)
  3269  	for {
  3270  		t := v.Type
  3271  		ptr := v.Args[0]
  3272  		mem := v.Args[1]
  3273  		if !(is16BitInt(t) && isSigned(t)) {
  3274  			break
  3275  		}
  3276  		v.reset(OpS390XMOVHload)
  3277  		v.AddArg(ptr)
  3278  		v.AddArg(mem)
  3279  		return true
  3280  	}
  3281  	// match: (Load <t> ptr mem)
  3282  	// cond: is16BitInt(t) && !isSigned(t)
  3283  	// result: (MOVHZload ptr mem)
  3284  	for {
  3285  		t := v.Type
  3286  		ptr := v.Args[0]
  3287  		mem := v.Args[1]
  3288  		if !(is16BitInt(t) && !isSigned(t)) {
  3289  			break
  3290  		}
  3291  		v.reset(OpS390XMOVHZload)
  3292  		v.AddArg(ptr)
  3293  		v.AddArg(mem)
  3294  		return true
  3295  	}
  3296  	// match: (Load <t> ptr mem)
  3297  	// cond: is8BitInt(t) && isSigned(t)
  3298  	// result: (MOVBload ptr mem)
  3299  	for {
  3300  		t := v.Type
  3301  		ptr := v.Args[0]
  3302  		mem := v.Args[1]
  3303  		if !(is8BitInt(t) && isSigned(t)) {
  3304  			break
  3305  		}
  3306  		v.reset(OpS390XMOVBload)
  3307  		v.AddArg(ptr)
  3308  		v.AddArg(mem)
  3309  		return true
  3310  	}
  3311  	// match: (Load <t> ptr mem)
  3312  	// cond: (t.IsBoolean() || (is8BitInt(t) && !isSigned(t)))
  3313  	// result: (MOVBZload ptr mem)
  3314  	for {
  3315  		t := v.Type
  3316  		ptr := v.Args[0]
  3317  		mem := v.Args[1]
  3318  		if !(t.IsBoolean() || (is8BitInt(t) && !isSigned(t))) {
  3319  			break
  3320  		}
  3321  		v.reset(OpS390XMOVBZload)
  3322  		v.AddArg(ptr)
  3323  		v.AddArg(mem)
  3324  		return true
  3325  	}
  3326  	// match: (Load <t> ptr mem)
  3327  	// cond: is32BitFloat(t)
  3328  	// result: (FMOVSload ptr mem)
  3329  	for {
  3330  		t := v.Type
  3331  		ptr := v.Args[0]
  3332  		mem := v.Args[1]
  3333  		if !(is32BitFloat(t)) {
  3334  			break
  3335  		}
  3336  		v.reset(OpS390XFMOVSload)
  3337  		v.AddArg(ptr)
  3338  		v.AddArg(mem)
  3339  		return true
  3340  	}
  3341  	// match: (Load <t> ptr mem)
  3342  	// cond: is64BitFloat(t)
  3343  	// result: (FMOVDload ptr mem)
  3344  	for {
  3345  		t := v.Type
  3346  		ptr := v.Args[0]
  3347  		mem := v.Args[1]
  3348  		if !(is64BitFloat(t)) {
  3349  			break
  3350  		}
  3351  		v.reset(OpS390XFMOVDload)
  3352  		v.AddArg(ptr)
  3353  		v.AddArg(mem)
  3354  		return true
  3355  	}
  3356  	return false
  3357  }
  3358  func rewriteValueS390X_OpLsh16x16(v *Value, config *Config) bool {
  3359  	b := v.Block
  3360  	_ = b
  3361  	// match: (Lsh16x16 <t> x y)
  3362  	// cond:
  3363  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  3364  	for {
  3365  		t := v.Type
  3366  		x := v.Args[0]
  3367  		y := v.Args[1]
  3368  		v.reset(OpS390XANDW)
  3369  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3370  		v0.AddArg(x)
  3371  		v0.AddArg(y)
  3372  		v.AddArg(v0)
  3373  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3374  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3375  		v2.AuxInt = 31
  3376  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3377  		v3.AddArg(y)
  3378  		v2.AddArg(v3)
  3379  		v1.AddArg(v2)
  3380  		v.AddArg(v1)
  3381  		return true
  3382  	}
  3383  }
  3384  func rewriteValueS390X_OpLsh16x32(v *Value, config *Config) bool {
  3385  	b := v.Block
  3386  	_ = b
  3387  	// match: (Lsh16x32 <t> x y)
  3388  	// cond:
  3389  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  3390  	for {
  3391  		t := v.Type
  3392  		x := v.Args[0]
  3393  		y := v.Args[1]
  3394  		v.reset(OpS390XANDW)
  3395  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3396  		v0.AddArg(x)
  3397  		v0.AddArg(y)
  3398  		v.AddArg(v0)
  3399  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3400  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3401  		v2.AuxInt = 31
  3402  		v2.AddArg(y)
  3403  		v1.AddArg(v2)
  3404  		v.AddArg(v1)
  3405  		return true
  3406  	}
  3407  }
  3408  func rewriteValueS390X_OpLsh16x64(v *Value, config *Config) bool {
  3409  	b := v.Block
  3410  	_ = b
  3411  	// match: (Lsh16x64 <t> x y)
  3412  	// cond:
  3413  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  3414  	for {
  3415  		t := v.Type
  3416  		x := v.Args[0]
  3417  		y := v.Args[1]
  3418  		v.reset(OpS390XANDW)
  3419  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3420  		v0.AddArg(x)
  3421  		v0.AddArg(y)
  3422  		v.AddArg(v0)
  3423  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3424  		v2 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  3425  		v2.AuxInt = 31
  3426  		v2.AddArg(y)
  3427  		v1.AddArg(v2)
  3428  		v.AddArg(v1)
  3429  		return true
  3430  	}
  3431  }
  3432  func rewriteValueS390X_OpLsh16x8(v *Value, config *Config) bool {
  3433  	b := v.Block
  3434  	_ = b
  3435  	// match: (Lsh16x8  <t> x y)
  3436  	// cond:
  3437  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  3438  	for {
  3439  		t := v.Type
  3440  		x := v.Args[0]
  3441  		y := v.Args[1]
  3442  		v.reset(OpS390XANDW)
  3443  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3444  		v0.AddArg(x)
  3445  		v0.AddArg(y)
  3446  		v.AddArg(v0)
  3447  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3448  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3449  		v2.AuxInt = 31
  3450  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3451  		v3.AddArg(y)
  3452  		v2.AddArg(v3)
  3453  		v1.AddArg(v2)
  3454  		v.AddArg(v1)
  3455  		return true
  3456  	}
  3457  }
  3458  func rewriteValueS390X_OpLsh32x16(v *Value, config *Config) bool {
  3459  	b := v.Block
  3460  	_ = b
  3461  	// match: (Lsh32x16 <t> x y)
  3462  	// cond:
  3463  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  3464  	for {
  3465  		t := v.Type
  3466  		x := v.Args[0]
  3467  		y := v.Args[1]
  3468  		v.reset(OpS390XANDW)
  3469  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3470  		v0.AddArg(x)
  3471  		v0.AddArg(y)
  3472  		v.AddArg(v0)
  3473  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3474  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3475  		v2.AuxInt = 31
  3476  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3477  		v3.AddArg(y)
  3478  		v2.AddArg(v3)
  3479  		v1.AddArg(v2)
  3480  		v.AddArg(v1)
  3481  		return true
  3482  	}
  3483  }
  3484  func rewriteValueS390X_OpLsh32x32(v *Value, config *Config) bool {
  3485  	b := v.Block
  3486  	_ = b
  3487  	// match: (Lsh32x32 <t> x y)
  3488  	// cond:
  3489  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  3490  	for {
  3491  		t := v.Type
  3492  		x := v.Args[0]
  3493  		y := v.Args[1]
  3494  		v.reset(OpS390XANDW)
  3495  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3496  		v0.AddArg(x)
  3497  		v0.AddArg(y)
  3498  		v.AddArg(v0)
  3499  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3500  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3501  		v2.AuxInt = 31
  3502  		v2.AddArg(y)
  3503  		v1.AddArg(v2)
  3504  		v.AddArg(v1)
  3505  		return true
  3506  	}
  3507  }
  3508  func rewriteValueS390X_OpLsh32x64(v *Value, config *Config) bool {
  3509  	b := v.Block
  3510  	_ = b
  3511  	// match: (Lsh32x64 <t> x y)
  3512  	// cond:
  3513  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  3514  	for {
  3515  		t := v.Type
  3516  		x := v.Args[0]
  3517  		y := v.Args[1]
  3518  		v.reset(OpS390XANDW)
  3519  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3520  		v0.AddArg(x)
  3521  		v0.AddArg(y)
  3522  		v.AddArg(v0)
  3523  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3524  		v2 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  3525  		v2.AuxInt = 31
  3526  		v2.AddArg(y)
  3527  		v1.AddArg(v2)
  3528  		v.AddArg(v1)
  3529  		return true
  3530  	}
  3531  }
  3532  func rewriteValueS390X_OpLsh32x8(v *Value, config *Config) bool {
  3533  	b := v.Block
  3534  	_ = b
  3535  	// match: (Lsh32x8  <t> x y)
  3536  	// cond:
  3537  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  3538  	for {
  3539  		t := v.Type
  3540  		x := v.Args[0]
  3541  		y := v.Args[1]
  3542  		v.reset(OpS390XANDW)
  3543  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3544  		v0.AddArg(x)
  3545  		v0.AddArg(y)
  3546  		v.AddArg(v0)
  3547  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3548  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3549  		v2.AuxInt = 31
  3550  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3551  		v3.AddArg(y)
  3552  		v2.AddArg(v3)
  3553  		v1.AddArg(v2)
  3554  		v.AddArg(v1)
  3555  		return true
  3556  	}
  3557  }
  3558  func rewriteValueS390X_OpLsh64x16(v *Value, config *Config) bool {
  3559  	b := v.Block
  3560  	_ = b
  3561  	// match: (Lsh64x16 <t> x y)
  3562  	// cond:
  3563  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVHZreg y) [63])))
  3564  	for {
  3565  		t := v.Type
  3566  		x := v.Args[0]
  3567  		y := v.Args[1]
  3568  		v.reset(OpS390XAND)
  3569  		v0 := b.NewValue0(v.Pos, OpS390XSLD, t)
  3570  		v0.AddArg(x)
  3571  		v0.AddArg(y)
  3572  		v.AddArg(v0)
  3573  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  3574  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3575  		v2.AuxInt = 63
  3576  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3577  		v3.AddArg(y)
  3578  		v2.AddArg(v3)
  3579  		v1.AddArg(v2)
  3580  		v.AddArg(v1)
  3581  		return true
  3582  	}
  3583  }
  3584  func rewriteValueS390X_OpLsh64x32(v *Value, config *Config) bool {
  3585  	b := v.Block
  3586  	_ = b
  3587  	// match: (Lsh64x32 <t> x y)
  3588  	// cond:
  3589  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPWUconst y [63])))
  3590  	for {
  3591  		t := v.Type
  3592  		x := v.Args[0]
  3593  		y := v.Args[1]
  3594  		v.reset(OpS390XAND)
  3595  		v0 := b.NewValue0(v.Pos, OpS390XSLD, t)
  3596  		v0.AddArg(x)
  3597  		v0.AddArg(y)
  3598  		v.AddArg(v0)
  3599  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  3600  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3601  		v2.AuxInt = 63
  3602  		v2.AddArg(y)
  3603  		v1.AddArg(v2)
  3604  		v.AddArg(v1)
  3605  		return true
  3606  	}
  3607  }
  3608  func rewriteValueS390X_OpLsh64x64(v *Value, config *Config) bool {
  3609  	b := v.Block
  3610  	_ = b
  3611  	// match: (Lsh64x64 <t> x y)
  3612  	// cond:
  3613  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPUconst y [63])))
  3614  	for {
  3615  		t := v.Type
  3616  		x := v.Args[0]
  3617  		y := v.Args[1]
  3618  		v.reset(OpS390XAND)
  3619  		v0 := b.NewValue0(v.Pos, OpS390XSLD, t)
  3620  		v0.AddArg(x)
  3621  		v0.AddArg(y)
  3622  		v.AddArg(v0)
  3623  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  3624  		v2 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  3625  		v2.AuxInt = 63
  3626  		v2.AddArg(y)
  3627  		v1.AddArg(v2)
  3628  		v.AddArg(v1)
  3629  		return true
  3630  	}
  3631  }
  3632  func rewriteValueS390X_OpLsh64x8(v *Value, config *Config) bool {
  3633  	b := v.Block
  3634  	_ = b
  3635  	// match: (Lsh64x8  <t> x y)
  3636  	// cond:
  3637  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVBZreg y) [63])))
  3638  	for {
  3639  		t := v.Type
  3640  		x := v.Args[0]
  3641  		y := v.Args[1]
  3642  		v.reset(OpS390XAND)
  3643  		v0 := b.NewValue0(v.Pos, OpS390XSLD, t)
  3644  		v0.AddArg(x)
  3645  		v0.AddArg(y)
  3646  		v.AddArg(v0)
  3647  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  3648  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3649  		v2.AuxInt = 63
  3650  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3651  		v3.AddArg(y)
  3652  		v2.AddArg(v3)
  3653  		v1.AddArg(v2)
  3654  		v.AddArg(v1)
  3655  		return true
  3656  	}
  3657  }
  3658  func rewriteValueS390X_OpLsh8x16(v *Value, config *Config) bool {
  3659  	b := v.Block
  3660  	_ = b
  3661  	// match: (Lsh8x16 <t> x y)
  3662  	// cond:
  3663  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  3664  	for {
  3665  		t := v.Type
  3666  		x := v.Args[0]
  3667  		y := v.Args[1]
  3668  		v.reset(OpS390XANDW)
  3669  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3670  		v0.AddArg(x)
  3671  		v0.AddArg(y)
  3672  		v.AddArg(v0)
  3673  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3674  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3675  		v2.AuxInt = 31
  3676  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3677  		v3.AddArg(y)
  3678  		v2.AddArg(v3)
  3679  		v1.AddArg(v2)
  3680  		v.AddArg(v1)
  3681  		return true
  3682  	}
  3683  }
  3684  func rewriteValueS390X_OpLsh8x32(v *Value, config *Config) bool {
  3685  	b := v.Block
  3686  	_ = b
  3687  	// match: (Lsh8x32 <t> x y)
  3688  	// cond:
  3689  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  3690  	for {
  3691  		t := v.Type
  3692  		x := v.Args[0]
  3693  		y := v.Args[1]
  3694  		v.reset(OpS390XANDW)
  3695  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3696  		v0.AddArg(x)
  3697  		v0.AddArg(y)
  3698  		v.AddArg(v0)
  3699  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3700  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3701  		v2.AuxInt = 31
  3702  		v2.AddArg(y)
  3703  		v1.AddArg(v2)
  3704  		v.AddArg(v1)
  3705  		return true
  3706  	}
  3707  }
  3708  func rewriteValueS390X_OpLsh8x64(v *Value, config *Config) bool {
  3709  	b := v.Block
  3710  	_ = b
  3711  	// match: (Lsh8x64 <t> x y)
  3712  	// cond:
  3713  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  3714  	for {
  3715  		t := v.Type
  3716  		x := v.Args[0]
  3717  		y := v.Args[1]
  3718  		v.reset(OpS390XANDW)
  3719  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3720  		v0.AddArg(x)
  3721  		v0.AddArg(y)
  3722  		v.AddArg(v0)
  3723  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3724  		v2 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  3725  		v2.AuxInt = 31
  3726  		v2.AddArg(y)
  3727  		v1.AddArg(v2)
  3728  		v.AddArg(v1)
  3729  		return true
  3730  	}
  3731  }
  3732  func rewriteValueS390X_OpLsh8x8(v *Value, config *Config) bool {
  3733  	b := v.Block
  3734  	_ = b
  3735  	// match: (Lsh8x8  <t> x y)
  3736  	// cond:
  3737  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  3738  	for {
  3739  		t := v.Type
  3740  		x := v.Args[0]
  3741  		y := v.Args[1]
  3742  		v.reset(OpS390XANDW)
  3743  		v0 := b.NewValue0(v.Pos, OpS390XSLW, t)
  3744  		v0.AddArg(x)
  3745  		v0.AddArg(y)
  3746  		v.AddArg(v0)
  3747  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  3748  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  3749  		v2.AuxInt = 31
  3750  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3751  		v3.AddArg(y)
  3752  		v2.AddArg(v3)
  3753  		v1.AddArg(v2)
  3754  		v.AddArg(v1)
  3755  		return true
  3756  	}
  3757  }
  3758  func rewriteValueS390X_OpMod16(v *Value, config *Config) bool {
  3759  	b := v.Block
  3760  	_ = b
  3761  	// match: (Mod16  x y)
  3762  	// cond:
  3763  	// result: (MODW  (MOVHreg x) (MOVHreg y))
  3764  	for {
  3765  		x := v.Args[0]
  3766  		y := v.Args[1]
  3767  		v.reset(OpS390XMODW)
  3768  		v0 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  3769  		v0.AddArg(x)
  3770  		v.AddArg(v0)
  3771  		v1 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  3772  		v1.AddArg(y)
  3773  		v.AddArg(v1)
  3774  		return true
  3775  	}
  3776  }
  3777  func rewriteValueS390X_OpMod16u(v *Value, config *Config) bool {
  3778  	b := v.Block
  3779  	_ = b
  3780  	// match: (Mod16u x y)
  3781  	// cond:
  3782  	// result: (MODWU (MOVHZreg x) (MOVHZreg y))
  3783  	for {
  3784  		x := v.Args[0]
  3785  		y := v.Args[1]
  3786  		v.reset(OpS390XMODWU)
  3787  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3788  		v0.AddArg(x)
  3789  		v.AddArg(v0)
  3790  		v1 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3791  		v1.AddArg(y)
  3792  		v.AddArg(v1)
  3793  		return true
  3794  	}
  3795  }
  3796  func rewriteValueS390X_OpMod32(v *Value, config *Config) bool {
  3797  	b := v.Block
  3798  	_ = b
  3799  	// match: (Mod32  x y)
  3800  	// cond:
  3801  	// result: (MODW  (MOVWreg x) y)
  3802  	for {
  3803  		x := v.Args[0]
  3804  		y := v.Args[1]
  3805  		v.reset(OpS390XMODW)
  3806  		v0 := b.NewValue0(v.Pos, OpS390XMOVWreg, config.fe.TypeInt64())
  3807  		v0.AddArg(x)
  3808  		v.AddArg(v0)
  3809  		v.AddArg(y)
  3810  		return true
  3811  	}
  3812  }
  3813  func rewriteValueS390X_OpMod32u(v *Value, config *Config) bool {
  3814  	b := v.Block
  3815  	_ = b
  3816  	// match: (Mod32u x y)
  3817  	// cond:
  3818  	// result: (MODWU (MOVWZreg x) y)
  3819  	for {
  3820  		x := v.Args[0]
  3821  		y := v.Args[1]
  3822  		v.reset(OpS390XMODWU)
  3823  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZreg, config.fe.TypeUInt64())
  3824  		v0.AddArg(x)
  3825  		v.AddArg(v0)
  3826  		v.AddArg(y)
  3827  		return true
  3828  	}
  3829  }
  3830  func rewriteValueS390X_OpMod64(v *Value, config *Config) bool {
  3831  	b := v.Block
  3832  	_ = b
  3833  	// match: (Mod64  x y)
  3834  	// cond:
  3835  	// result: (MODD  x y)
  3836  	for {
  3837  		x := v.Args[0]
  3838  		y := v.Args[1]
  3839  		v.reset(OpS390XMODD)
  3840  		v.AddArg(x)
  3841  		v.AddArg(y)
  3842  		return true
  3843  	}
  3844  }
  3845  func rewriteValueS390X_OpMod64u(v *Value, config *Config) bool {
  3846  	b := v.Block
  3847  	_ = b
  3848  	// match: (Mod64u x y)
  3849  	// cond:
  3850  	// result: (MODDU x y)
  3851  	for {
  3852  		x := v.Args[0]
  3853  		y := v.Args[1]
  3854  		v.reset(OpS390XMODDU)
  3855  		v.AddArg(x)
  3856  		v.AddArg(y)
  3857  		return true
  3858  	}
  3859  }
  3860  func rewriteValueS390X_OpMod8(v *Value, config *Config) bool {
  3861  	b := v.Block
  3862  	_ = b
  3863  	// match: (Mod8   x y)
  3864  	// cond:
  3865  	// result: (MODW  (MOVBreg x) (MOVBreg y))
  3866  	for {
  3867  		x := v.Args[0]
  3868  		y := v.Args[1]
  3869  		v.reset(OpS390XMODW)
  3870  		v0 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  3871  		v0.AddArg(x)
  3872  		v.AddArg(v0)
  3873  		v1 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  3874  		v1.AddArg(y)
  3875  		v.AddArg(v1)
  3876  		return true
  3877  	}
  3878  }
  3879  func rewriteValueS390X_OpMod8u(v *Value, config *Config) bool {
  3880  	b := v.Block
  3881  	_ = b
  3882  	// match: (Mod8u  x y)
  3883  	// cond:
  3884  	// result: (MODWU (MOVBZreg x) (MOVBZreg y))
  3885  	for {
  3886  		x := v.Args[0]
  3887  		y := v.Args[1]
  3888  		v.reset(OpS390XMODWU)
  3889  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3890  		v0.AddArg(x)
  3891  		v.AddArg(v0)
  3892  		v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3893  		v1.AddArg(y)
  3894  		v.AddArg(v1)
  3895  		return true
  3896  	}
  3897  }
  3898  func rewriteValueS390X_OpMove(v *Value, config *Config) bool {
  3899  	b := v.Block
  3900  	_ = b
  3901  	// match: (Move [s] _ _ mem)
  3902  	// cond: SizeAndAlign(s).Size() == 0
  3903  	// result: mem
  3904  	for {
  3905  		s := v.AuxInt
  3906  		mem := v.Args[2]
  3907  		if !(SizeAndAlign(s).Size() == 0) {
  3908  			break
  3909  		}
  3910  		v.reset(OpCopy)
  3911  		v.Type = mem.Type
  3912  		v.AddArg(mem)
  3913  		return true
  3914  	}
  3915  	// match: (Move [s] dst src mem)
  3916  	// cond: SizeAndAlign(s).Size() == 1
  3917  	// result: (MOVBstore dst (MOVBZload src mem) mem)
  3918  	for {
  3919  		s := v.AuxInt
  3920  		dst := v.Args[0]
  3921  		src := v.Args[1]
  3922  		mem := v.Args[2]
  3923  		if !(SizeAndAlign(s).Size() == 1) {
  3924  			break
  3925  		}
  3926  		v.reset(OpS390XMOVBstore)
  3927  		v.AddArg(dst)
  3928  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZload, config.fe.TypeUInt8())
  3929  		v0.AddArg(src)
  3930  		v0.AddArg(mem)
  3931  		v.AddArg(v0)
  3932  		v.AddArg(mem)
  3933  		return true
  3934  	}
  3935  	// match: (Move [s] dst src mem)
  3936  	// cond: SizeAndAlign(s).Size() == 2
  3937  	// result: (MOVHstore dst (MOVHZload src mem) mem)
  3938  	for {
  3939  		s := v.AuxInt
  3940  		dst := v.Args[0]
  3941  		src := v.Args[1]
  3942  		mem := v.Args[2]
  3943  		if !(SizeAndAlign(s).Size() == 2) {
  3944  			break
  3945  		}
  3946  		v.reset(OpS390XMOVHstore)
  3947  		v.AddArg(dst)
  3948  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZload, config.fe.TypeUInt16())
  3949  		v0.AddArg(src)
  3950  		v0.AddArg(mem)
  3951  		v.AddArg(v0)
  3952  		v.AddArg(mem)
  3953  		return true
  3954  	}
  3955  	// match: (Move [s] dst src mem)
  3956  	// cond: SizeAndAlign(s).Size() == 4
  3957  	// result: (MOVWstore dst (MOVWZload src mem) mem)
  3958  	for {
  3959  		s := v.AuxInt
  3960  		dst := v.Args[0]
  3961  		src := v.Args[1]
  3962  		mem := v.Args[2]
  3963  		if !(SizeAndAlign(s).Size() == 4) {
  3964  			break
  3965  		}
  3966  		v.reset(OpS390XMOVWstore)
  3967  		v.AddArg(dst)
  3968  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZload, config.fe.TypeUInt32())
  3969  		v0.AddArg(src)
  3970  		v0.AddArg(mem)
  3971  		v.AddArg(v0)
  3972  		v.AddArg(mem)
  3973  		return true
  3974  	}
  3975  	// match: (Move [s] dst src mem)
  3976  	// cond: SizeAndAlign(s).Size() == 8
  3977  	// result: (MOVDstore dst (MOVDload src mem) mem)
  3978  	for {
  3979  		s := v.AuxInt
  3980  		dst := v.Args[0]
  3981  		src := v.Args[1]
  3982  		mem := v.Args[2]
  3983  		if !(SizeAndAlign(s).Size() == 8) {
  3984  			break
  3985  		}
  3986  		v.reset(OpS390XMOVDstore)
  3987  		v.AddArg(dst)
  3988  		v0 := b.NewValue0(v.Pos, OpS390XMOVDload, config.fe.TypeUInt64())
  3989  		v0.AddArg(src)
  3990  		v0.AddArg(mem)
  3991  		v.AddArg(v0)
  3992  		v.AddArg(mem)
  3993  		return true
  3994  	}
  3995  	// match: (Move [s] dst src mem)
  3996  	// cond: SizeAndAlign(s).Size() == 16
  3997  	// result: (MOVDstore [8] dst (MOVDload [8] src mem) 		(MOVDstore dst (MOVDload src mem) mem))
  3998  	for {
  3999  		s := v.AuxInt
  4000  		dst := v.Args[0]
  4001  		src := v.Args[1]
  4002  		mem := v.Args[2]
  4003  		if !(SizeAndAlign(s).Size() == 16) {
  4004  			break
  4005  		}
  4006  		v.reset(OpS390XMOVDstore)
  4007  		v.AuxInt = 8
  4008  		v.AddArg(dst)
  4009  		v0 := b.NewValue0(v.Pos, OpS390XMOVDload, config.fe.TypeUInt64())
  4010  		v0.AuxInt = 8
  4011  		v0.AddArg(src)
  4012  		v0.AddArg(mem)
  4013  		v.AddArg(v0)
  4014  		v1 := b.NewValue0(v.Pos, OpS390XMOVDstore, TypeMem)
  4015  		v1.AddArg(dst)
  4016  		v2 := b.NewValue0(v.Pos, OpS390XMOVDload, config.fe.TypeUInt64())
  4017  		v2.AddArg(src)
  4018  		v2.AddArg(mem)
  4019  		v1.AddArg(v2)
  4020  		v1.AddArg(mem)
  4021  		v.AddArg(v1)
  4022  		return true
  4023  	}
  4024  	// match: (Move [s] dst src mem)
  4025  	// cond: SizeAndAlign(s).Size() == 24
  4026  	// result: (MOVDstore [16] dst (MOVDload [16] src mem) 	        (MOVDstore [8] dst (MOVDload [8] src mem)                 (MOVDstore dst (MOVDload src mem) mem)))
  4027  	for {
  4028  		s := v.AuxInt
  4029  		dst := v.Args[0]
  4030  		src := v.Args[1]
  4031  		mem := v.Args[2]
  4032  		if !(SizeAndAlign(s).Size() == 24) {
  4033  			break
  4034  		}
  4035  		v.reset(OpS390XMOVDstore)
  4036  		v.AuxInt = 16
  4037  		v.AddArg(dst)
  4038  		v0 := b.NewValue0(v.Pos, OpS390XMOVDload, config.fe.TypeUInt64())
  4039  		v0.AuxInt = 16
  4040  		v0.AddArg(src)
  4041  		v0.AddArg(mem)
  4042  		v.AddArg(v0)
  4043  		v1 := b.NewValue0(v.Pos, OpS390XMOVDstore, TypeMem)
  4044  		v1.AuxInt = 8
  4045  		v1.AddArg(dst)
  4046  		v2 := b.NewValue0(v.Pos, OpS390XMOVDload, config.fe.TypeUInt64())
  4047  		v2.AuxInt = 8
  4048  		v2.AddArg(src)
  4049  		v2.AddArg(mem)
  4050  		v1.AddArg(v2)
  4051  		v3 := b.NewValue0(v.Pos, OpS390XMOVDstore, TypeMem)
  4052  		v3.AddArg(dst)
  4053  		v4 := b.NewValue0(v.Pos, OpS390XMOVDload, config.fe.TypeUInt64())
  4054  		v4.AddArg(src)
  4055  		v4.AddArg(mem)
  4056  		v3.AddArg(v4)
  4057  		v3.AddArg(mem)
  4058  		v1.AddArg(v3)
  4059  		v.AddArg(v1)
  4060  		return true
  4061  	}
  4062  	// match: (Move [s] dst src mem)
  4063  	// cond: SizeAndAlign(s).Size() == 3
  4064  	// result: (MOVBstore [2] dst (MOVBZload [2] src mem) 		(MOVHstore dst (MOVHZload src mem) mem))
  4065  	for {
  4066  		s := v.AuxInt
  4067  		dst := v.Args[0]
  4068  		src := v.Args[1]
  4069  		mem := v.Args[2]
  4070  		if !(SizeAndAlign(s).Size() == 3) {
  4071  			break
  4072  		}
  4073  		v.reset(OpS390XMOVBstore)
  4074  		v.AuxInt = 2
  4075  		v.AddArg(dst)
  4076  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZload, config.fe.TypeUInt8())
  4077  		v0.AuxInt = 2
  4078  		v0.AddArg(src)
  4079  		v0.AddArg(mem)
  4080  		v.AddArg(v0)
  4081  		v1 := b.NewValue0(v.Pos, OpS390XMOVHstore, TypeMem)
  4082  		v1.AddArg(dst)
  4083  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZload, config.fe.TypeUInt16())
  4084  		v2.AddArg(src)
  4085  		v2.AddArg(mem)
  4086  		v1.AddArg(v2)
  4087  		v1.AddArg(mem)
  4088  		v.AddArg(v1)
  4089  		return true
  4090  	}
  4091  	// match: (Move [s] dst src mem)
  4092  	// cond: SizeAndAlign(s).Size() == 5
  4093  	// result: (MOVBstore [4] dst (MOVBZload [4] src mem) 		(MOVWstore dst (MOVWZload src mem) mem))
  4094  	for {
  4095  		s := v.AuxInt
  4096  		dst := v.Args[0]
  4097  		src := v.Args[1]
  4098  		mem := v.Args[2]
  4099  		if !(SizeAndAlign(s).Size() == 5) {
  4100  			break
  4101  		}
  4102  		v.reset(OpS390XMOVBstore)
  4103  		v.AuxInt = 4
  4104  		v.AddArg(dst)
  4105  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZload, config.fe.TypeUInt8())
  4106  		v0.AuxInt = 4
  4107  		v0.AddArg(src)
  4108  		v0.AddArg(mem)
  4109  		v.AddArg(v0)
  4110  		v1 := b.NewValue0(v.Pos, OpS390XMOVWstore, TypeMem)
  4111  		v1.AddArg(dst)
  4112  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZload, config.fe.TypeUInt32())
  4113  		v2.AddArg(src)
  4114  		v2.AddArg(mem)
  4115  		v1.AddArg(v2)
  4116  		v1.AddArg(mem)
  4117  		v.AddArg(v1)
  4118  		return true
  4119  	}
  4120  	// match: (Move [s] dst src mem)
  4121  	// cond: SizeAndAlign(s).Size() == 6
  4122  	// result: (MOVHstore [4] dst (MOVHZload [4] src mem) 		(MOVWstore dst (MOVWZload src mem) mem))
  4123  	for {
  4124  		s := v.AuxInt
  4125  		dst := v.Args[0]
  4126  		src := v.Args[1]
  4127  		mem := v.Args[2]
  4128  		if !(SizeAndAlign(s).Size() == 6) {
  4129  			break
  4130  		}
  4131  		v.reset(OpS390XMOVHstore)
  4132  		v.AuxInt = 4
  4133  		v.AddArg(dst)
  4134  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZload, config.fe.TypeUInt16())
  4135  		v0.AuxInt = 4
  4136  		v0.AddArg(src)
  4137  		v0.AddArg(mem)
  4138  		v.AddArg(v0)
  4139  		v1 := b.NewValue0(v.Pos, OpS390XMOVWstore, TypeMem)
  4140  		v1.AddArg(dst)
  4141  		v2 := b.NewValue0(v.Pos, OpS390XMOVWZload, config.fe.TypeUInt32())
  4142  		v2.AddArg(src)
  4143  		v2.AddArg(mem)
  4144  		v1.AddArg(v2)
  4145  		v1.AddArg(mem)
  4146  		v.AddArg(v1)
  4147  		return true
  4148  	}
  4149  	// match: (Move [s] dst src mem)
  4150  	// cond: SizeAndAlign(s).Size() == 7
  4151  	// result: (MOVBstore [6] dst (MOVBZload [6] src mem) 		(MOVHstore [4] dst (MOVHZload [4] src mem) 			(MOVWstore dst (MOVWZload src mem) mem)))
  4152  	for {
  4153  		s := v.AuxInt
  4154  		dst := v.Args[0]
  4155  		src := v.Args[1]
  4156  		mem := v.Args[2]
  4157  		if !(SizeAndAlign(s).Size() == 7) {
  4158  			break
  4159  		}
  4160  		v.reset(OpS390XMOVBstore)
  4161  		v.AuxInt = 6
  4162  		v.AddArg(dst)
  4163  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZload, config.fe.TypeUInt8())
  4164  		v0.AuxInt = 6
  4165  		v0.AddArg(src)
  4166  		v0.AddArg(mem)
  4167  		v.AddArg(v0)
  4168  		v1 := b.NewValue0(v.Pos, OpS390XMOVHstore, TypeMem)
  4169  		v1.AuxInt = 4
  4170  		v1.AddArg(dst)
  4171  		v2 := b.NewValue0(v.Pos, OpS390XMOVHZload, config.fe.TypeUInt16())
  4172  		v2.AuxInt = 4
  4173  		v2.AddArg(src)
  4174  		v2.AddArg(mem)
  4175  		v1.AddArg(v2)
  4176  		v3 := b.NewValue0(v.Pos, OpS390XMOVWstore, TypeMem)
  4177  		v3.AddArg(dst)
  4178  		v4 := b.NewValue0(v.Pos, OpS390XMOVWZload, config.fe.TypeUInt32())
  4179  		v4.AddArg(src)
  4180  		v4.AddArg(mem)
  4181  		v3.AddArg(v4)
  4182  		v3.AddArg(mem)
  4183  		v1.AddArg(v3)
  4184  		v.AddArg(v1)
  4185  		return true
  4186  	}
  4187  	// match: (Move [s] dst src mem)
  4188  	// cond: SizeAndAlign(s).Size() > 0 && SizeAndAlign(s).Size() <= 256
  4189  	// result: (MVC [makeValAndOff(SizeAndAlign(s).Size(), 0)] dst src mem)
  4190  	for {
  4191  		s := v.AuxInt
  4192  		dst := v.Args[0]
  4193  		src := v.Args[1]
  4194  		mem := v.Args[2]
  4195  		if !(SizeAndAlign(s).Size() > 0 && SizeAndAlign(s).Size() <= 256) {
  4196  			break
  4197  		}
  4198  		v.reset(OpS390XMVC)
  4199  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size(), 0)
  4200  		v.AddArg(dst)
  4201  		v.AddArg(src)
  4202  		v.AddArg(mem)
  4203  		return true
  4204  	}
  4205  	// match: (Move [s] dst src mem)
  4206  	// cond: SizeAndAlign(s).Size() > 256 && SizeAndAlign(s).Size() <= 512
  4207  	// result: (MVC [makeValAndOff(SizeAndAlign(s).Size()-256, 256)] dst src (MVC [makeValAndOff(256, 0)] dst src mem))
  4208  	for {
  4209  		s := v.AuxInt
  4210  		dst := v.Args[0]
  4211  		src := v.Args[1]
  4212  		mem := v.Args[2]
  4213  		if !(SizeAndAlign(s).Size() > 256 && SizeAndAlign(s).Size() <= 512) {
  4214  			break
  4215  		}
  4216  		v.reset(OpS390XMVC)
  4217  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size()-256, 256)
  4218  		v.AddArg(dst)
  4219  		v.AddArg(src)
  4220  		v0 := b.NewValue0(v.Pos, OpS390XMVC, TypeMem)
  4221  		v0.AuxInt = makeValAndOff(256, 0)
  4222  		v0.AddArg(dst)
  4223  		v0.AddArg(src)
  4224  		v0.AddArg(mem)
  4225  		v.AddArg(v0)
  4226  		return true
  4227  	}
  4228  	// match: (Move [s] dst src mem)
  4229  	// cond: SizeAndAlign(s).Size() > 512 && SizeAndAlign(s).Size() <= 768
  4230  	// result: (MVC [makeValAndOff(SizeAndAlign(s).Size()-512, 512)] dst src (MVC [makeValAndOff(256, 256)] dst src (MVC [makeValAndOff(256, 0)] dst src mem)))
  4231  	for {
  4232  		s := v.AuxInt
  4233  		dst := v.Args[0]
  4234  		src := v.Args[1]
  4235  		mem := v.Args[2]
  4236  		if !(SizeAndAlign(s).Size() > 512 && SizeAndAlign(s).Size() <= 768) {
  4237  			break
  4238  		}
  4239  		v.reset(OpS390XMVC)
  4240  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size()-512, 512)
  4241  		v.AddArg(dst)
  4242  		v.AddArg(src)
  4243  		v0 := b.NewValue0(v.Pos, OpS390XMVC, TypeMem)
  4244  		v0.AuxInt = makeValAndOff(256, 256)
  4245  		v0.AddArg(dst)
  4246  		v0.AddArg(src)
  4247  		v1 := b.NewValue0(v.Pos, OpS390XMVC, TypeMem)
  4248  		v1.AuxInt = makeValAndOff(256, 0)
  4249  		v1.AddArg(dst)
  4250  		v1.AddArg(src)
  4251  		v1.AddArg(mem)
  4252  		v0.AddArg(v1)
  4253  		v.AddArg(v0)
  4254  		return true
  4255  	}
  4256  	// match: (Move [s] dst src mem)
  4257  	// cond: SizeAndAlign(s).Size() > 768 && SizeAndAlign(s).Size() <= 1024
  4258  	// 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))))
  4259  	for {
  4260  		s := v.AuxInt
  4261  		dst := v.Args[0]
  4262  		src := v.Args[1]
  4263  		mem := v.Args[2]
  4264  		if !(SizeAndAlign(s).Size() > 768 && SizeAndAlign(s).Size() <= 1024) {
  4265  			break
  4266  		}
  4267  		v.reset(OpS390XMVC)
  4268  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size()-768, 768)
  4269  		v.AddArg(dst)
  4270  		v.AddArg(src)
  4271  		v0 := b.NewValue0(v.Pos, OpS390XMVC, TypeMem)
  4272  		v0.AuxInt = makeValAndOff(256, 512)
  4273  		v0.AddArg(dst)
  4274  		v0.AddArg(src)
  4275  		v1 := b.NewValue0(v.Pos, OpS390XMVC, TypeMem)
  4276  		v1.AuxInt = makeValAndOff(256, 256)
  4277  		v1.AddArg(dst)
  4278  		v1.AddArg(src)
  4279  		v2 := b.NewValue0(v.Pos, OpS390XMVC, TypeMem)
  4280  		v2.AuxInt = makeValAndOff(256, 0)
  4281  		v2.AddArg(dst)
  4282  		v2.AddArg(src)
  4283  		v2.AddArg(mem)
  4284  		v1.AddArg(v2)
  4285  		v0.AddArg(v1)
  4286  		v.AddArg(v0)
  4287  		return true
  4288  	}
  4289  	// match: (Move [s] dst src mem)
  4290  	// cond: SizeAndAlign(s).Size() > 1024
  4291  	// result: (LoweredMove [SizeAndAlign(s).Size()%256] dst src (ADDconst <src.Type> src [(SizeAndAlign(s).Size()/256)*256]) mem)
  4292  	for {
  4293  		s := v.AuxInt
  4294  		dst := v.Args[0]
  4295  		src := v.Args[1]
  4296  		mem := v.Args[2]
  4297  		if !(SizeAndAlign(s).Size() > 1024) {
  4298  			break
  4299  		}
  4300  		v.reset(OpS390XLoweredMove)
  4301  		v.AuxInt = SizeAndAlign(s).Size() % 256
  4302  		v.AddArg(dst)
  4303  		v.AddArg(src)
  4304  		v0 := b.NewValue0(v.Pos, OpS390XADDconst, src.Type)
  4305  		v0.AuxInt = (SizeAndAlign(s).Size() / 256) * 256
  4306  		v0.AddArg(src)
  4307  		v.AddArg(v0)
  4308  		v.AddArg(mem)
  4309  		return true
  4310  	}
  4311  	return false
  4312  }
  4313  func rewriteValueS390X_OpMul16(v *Value, config *Config) bool {
  4314  	b := v.Block
  4315  	_ = b
  4316  	// match: (Mul16  x y)
  4317  	// cond:
  4318  	// result: (MULLW  x y)
  4319  	for {
  4320  		x := v.Args[0]
  4321  		y := v.Args[1]
  4322  		v.reset(OpS390XMULLW)
  4323  		v.AddArg(x)
  4324  		v.AddArg(y)
  4325  		return true
  4326  	}
  4327  }
  4328  func rewriteValueS390X_OpMul32(v *Value, config *Config) bool {
  4329  	b := v.Block
  4330  	_ = b
  4331  	// match: (Mul32  x y)
  4332  	// cond:
  4333  	// result: (MULLW  x y)
  4334  	for {
  4335  		x := v.Args[0]
  4336  		y := v.Args[1]
  4337  		v.reset(OpS390XMULLW)
  4338  		v.AddArg(x)
  4339  		v.AddArg(y)
  4340  		return true
  4341  	}
  4342  }
  4343  func rewriteValueS390X_OpMul32F(v *Value, config *Config) bool {
  4344  	b := v.Block
  4345  	_ = b
  4346  	// match: (Mul32F x y)
  4347  	// cond:
  4348  	// result: (FMULS x y)
  4349  	for {
  4350  		x := v.Args[0]
  4351  		y := v.Args[1]
  4352  		v.reset(OpS390XFMULS)
  4353  		v.AddArg(x)
  4354  		v.AddArg(y)
  4355  		return true
  4356  	}
  4357  }
  4358  func rewriteValueS390X_OpMul64(v *Value, config *Config) bool {
  4359  	b := v.Block
  4360  	_ = b
  4361  	// match: (Mul64  x y)
  4362  	// cond:
  4363  	// result: (MULLD  x y)
  4364  	for {
  4365  		x := v.Args[0]
  4366  		y := v.Args[1]
  4367  		v.reset(OpS390XMULLD)
  4368  		v.AddArg(x)
  4369  		v.AddArg(y)
  4370  		return true
  4371  	}
  4372  }
  4373  func rewriteValueS390X_OpMul64F(v *Value, config *Config) bool {
  4374  	b := v.Block
  4375  	_ = b
  4376  	// match: (Mul64F x y)
  4377  	// cond:
  4378  	// result: (FMUL x y)
  4379  	for {
  4380  		x := v.Args[0]
  4381  		y := v.Args[1]
  4382  		v.reset(OpS390XFMUL)
  4383  		v.AddArg(x)
  4384  		v.AddArg(y)
  4385  		return true
  4386  	}
  4387  }
  4388  func rewriteValueS390X_OpMul8(v *Value, config *Config) bool {
  4389  	b := v.Block
  4390  	_ = b
  4391  	// match: (Mul8   x y)
  4392  	// cond:
  4393  	// result: (MULLW  x y)
  4394  	for {
  4395  		x := v.Args[0]
  4396  		y := v.Args[1]
  4397  		v.reset(OpS390XMULLW)
  4398  		v.AddArg(x)
  4399  		v.AddArg(y)
  4400  		return true
  4401  	}
  4402  }
  4403  func rewriteValueS390X_OpNeg16(v *Value, config *Config) bool {
  4404  	b := v.Block
  4405  	_ = b
  4406  	// match: (Neg16  x)
  4407  	// cond:
  4408  	// result: (NEGW (MOVHreg x))
  4409  	for {
  4410  		x := v.Args[0]
  4411  		v.reset(OpS390XNEGW)
  4412  		v0 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  4413  		v0.AddArg(x)
  4414  		v.AddArg(v0)
  4415  		return true
  4416  	}
  4417  }
  4418  func rewriteValueS390X_OpNeg32(v *Value, config *Config) bool {
  4419  	b := v.Block
  4420  	_ = b
  4421  	// match: (Neg32  x)
  4422  	// cond:
  4423  	// result: (NEGW x)
  4424  	for {
  4425  		x := v.Args[0]
  4426  		v.reset(OpS390XNEGW)
  4427  		v.AddArg(x)
  4428  		return true
  4429  	}
  4430  }
  4431  func rewriteValueS390X_OpNeg32F(v *Value, config *Config) bool {
  4432  	b := v.Block
  4433  	_ = b
  4434  	// match: (Neg32F x)
  4435  	// cond:
  4436  	// result: (FNEGS x)
  4437  	for {
  4438  		x := v.Args[0]
  4439  		v.reset(OpS390XFNEGS)
  4440  		v.AddArg(x)
  4441  		return true
  4442  	}
  4443  }
  4444  func rewriteValueS390X_OpNeg64(v *Value, config *Config) bool {
  4445  	b := v.Block
  4446  	_ = b
  4447  	// match: (Neg64  x)
  4448  	// cond:
  4449  	// result: (NEG x)
  4450  	for {
  4451  		x := v.Args[0]
  4452  		v.reset(OpS390XNEG)
  4453  		v.AddArg(x)
  4454  		return true
  4455  	}
  4456  }
  4457  func rewriteValueS390X_OpNeg64F(v *Value, config *Config) bool {
  4458  	b := v.Block
  4459  	_ = b
  4460  	// match: (Neg64F x)
  4461  	// cond:
  4462  	// result: (FNEG x)
  4463  	for {
  4464  		x := v.Args[0]
  4465  		v.reset(OpS390XFNEG)
  4466  		v.AddArg(x)
  4467  		return true
  4468  	}
  4469  }
  4470  func rewriteValueS390X_OpNeg8(v *Value, config *Config) bool {
  4471  	b := v.Block
  4472  	_ = b
  4473  	// match: (Neg8   x)
  4474  	// cond:
  4475  	// result: (NEGW (MOVBreg x))
  4476  	for {
  4477  		x := v.Args[0]
  4478  		v.reset(OpS390XNEGW)
  4479  		v0 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  4480  		v0.AddArg(x)
  4481  		v.AddArg(v0)
  4482  		return true
  4483  	}
  4484  }
  4485  func rewriteValueS390X_OpNeq16(v *Value, config *Config) bool {
  4486  	b := v.Block
  4487  	_ = b
  4488  	// match: (Neq16  x y)
  4489  	// cond:
  4490  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  4491  	for {
  4492  		x := v.Args[0]
  4493  		y := v.Args[1]
  4494  		v.reset(OpS390XMOVDNE)
  4495  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4496  		v0.AuxInt = 0
  4497  		v.AddArg(v0)
  4498  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4499  		v1.AuxInt = 1
  4500  		v.AddArg(v1)
  4501  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  4502  		v3 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  4503  		v3.AddArg(x)
  4504  		v2.AddArg(v3)
  4505  		v4 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  4506  		v4.AddArg(y)
  4507  		v2.AddArg(v4)
  4508  		v.AddArg(v2)
  4509  		return true
  4510  	}
  4511  }
  4512  func rewriteValueS390X_OpNeq32(v *Value, config *Config) bool {
  4513  	b := v.Block
  4514  	_ = b
  4515  	// match: (Neq32  x y)
  4516  	// cond:
  4517  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  4518  	for {
  4519  		x := v.Args[0]
  4520  		y := v.Args[1]
  4521  		v.reset(OpS390XMOVDNE)
  4522  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4523  		v0.AuxInt = 0
  4524  		v.AddArg(v0)
  4525  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4526  		v1.AuxInt = 1
  4527  		v.AddArg(v1)
  4528  		v2 := b.NewValue0(v.Pos, OpS390XCMPW, TypeFlags)
  4529  		v2.AddArg(x)
  4530  		v2.AddArg(y)
  4531  		v.AddArg(v2)
  4532  		return true
  4533  	}
  4534  }
  4535  func rewriteValueS390X_OpNeq32F(v *Value, config *Config) bool {
  4536  	b := v.Block
  4537  	_ = b
  4538  	// match: (Neq32F x y)
  4539  	// cond:
  4540  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (FCMPS x y))
  4541  	for {
  4542  		x := v.Args[0]
  4543  		y := v.Args[1]
  4544  		v.reset(OpS390XMOVDNE)
  4545  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4546  		v0.AuxInt = 0
  4547  		v.AddArg(v0)
  4548  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4549  		v1.AuxInt = 1
  4550  		v.AddArg(v1)
  4551  		v2 := b.NewValue0(v.Pos, OpS390XFCMPS, TypeFlags)
  4552  		v2.AddArg(x)
  4553  		v2.AddArg(y)
  4554  		v.AddArg(v2)
  4555  		return true
  4556  	}
  4557  }
  4558  func rewriteValueS390X_OpNeq64(v *Value, config *Config) bool {
  4559  	b := v.Block
  4560  	_ = b
  4561  	// match: (Neq64  x y)
  4562  	// cond:
  4563  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  4564  	for {
  4565  		x := v.Args[0]
  4566  		y := v.Args[1]
  4567  		v.reset(OpS390XMOVDNE)
  4568  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4569  		v0.AuxInt = 0
  4570  		v.AddArg(v0)
  4571  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4572  		v1.AuxInt = 1
  4573  		v.AddArg(v1)
  4574  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  4575  		v2.AddArg(x)
  4576  		v2.AddArg(y)
  4577  		v.AddArg(v2)
  4578  		return true
  4579  	}
  4580  }
  4581  func rewriteValueS390X_OpNeq64F(v *Value, config *Config) bool {
  4582  	b := v.Block
  4583  	_ = b
  4584  	// match: (Neq64F x y)
  4585  	// cond:
  4586  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (FCMP x y))
  4587  	for {
  4588  		x := v.Args[0]
  4589  		y := v.Args[1]
  4590  		v.reset(OpS390XMOVDNE)
  4591  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4592  		v0.AuxInt = 0
  4593  		v.AddArg(v0)
  4594  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4595  		v1.AuxInt = 1
  4596  		v.AddArg(v1)
  4597  		v2 := b.NewValue0(v.Pos, OpS390XFCMP, TypeFlags)
  4598  		v2.AddArg(x)
  4599  		v2.AddArg(y)
  4600  		v.AddArg(v2)
  4601  		return true
  4602  	}
  4603  }
  4604  func rewriteValueS390X_OpNeq8(v *Value, config *Config) bool {
  4605  	b := v.Block
  4606  	_ = b
  4607  	// match: (Neq8   x y)
  4608  	// cond:
  4609  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  4610  	for {
  4611  		x := v.Args[0]
  4612  		y := v.Args[1]
  4613  		v.reset(OpS390XMOVDNE)
  4614  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4615  		v0.AuxInt = 0
  4616  		v.AddArg(v0)
  4617  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4618  		v1.AuxInt = 1
  4619  		v.AddArg(v1)
  4620  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  4621  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  4622  		v3.AddArg(x)
  4623  		v2.AddArg(v3)
  4624  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  4625  		v4.AddArg(y)
  4626  		v2.AddArg(v4)
  4627  		v.AddArg(v2)
  4628  		return true
  4629  	}
  4630  }
  4631  func rewriteValueS390X_OpNeqB(v *Value, config *Config) bool {
  4632  	b := v.Block
  4633  	_ = b
  4634  	// match: (NeqB   x y)
  4635  	// cond:
  4636  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  4637  	for {
  4638  		x := v.Args[0]
  4639  		y := v.Args[1]
  4640  		v.reset(OpS390XMOVDNE)
  4641  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4642  		v0.AuxInt = 0
  4643  		v.AddArg(v0)
  4644  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4645  		v1.AuxInt = 1
  4646  		v.AddArg(v1)
  4647  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  4648  		v3 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  4649  		v3.AddArg(x)
  4650  		v2.AddArg(v3)
  4651  		v4 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  4652  		v4.AddArg(y)
  4653  		v2.AddArg(v4)
  4654  		v.AddArg(v2)
  4655  		return true
  4656  	}
  4657  }
  4658  func rewriteValueS390X_OpNeqPtr(v *Value, config *Config) bool {
  4659  	b := v.Block
  4660  	_ = b
  4661  	// match: (NeqPtr x y)
  4662  	// cond:
  4663  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  4664  	for {
  4665  		x := v.Args[0]
  4666  		y := v.Args[1]
  4667  		v.reset(OpS390XMOVDNE)
  4668  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4669  		v0.AuxInt = 0
  4670  		v.AddArg(v0)
  4671  		v1 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4672  		v1.AuxInt = 1
  4673  		v.AddArg(v1)
  4674  		v2 := b.NewValue0(v.Pos, OpS390XCMP, TypeFlags)
  4675  		v2.AddArg(x)
  4676  		v2.AddArg(y)
  4677  		v.AddArg(v2)
  4678  		return true
  4679  	}
  4680  }
  4681  func rewriteValueS390X_OpNilCheck(v *Value, config *Config) bool {
  4682  	b := v.Block
  4683  	_ = b
  4684  	// match: (NilCheck ptr mem)
  4685  	// cond:
  4686  	// result: (LoweredNilCheck ptr mem)
  4687  	for {
  4688  		ptr := v.Args[0]
  4689  		mem := v.Args[1]
  4690  		v.reset(OpS390XLoweredNilCheck)
  4691  		v.AddArg(ptr)
  4692  		v.AddArg(mem)
  4693  		return true
  4694  	}
  4695  }
  4696  func rewriteValueS390X_OpNot(v *Value, config *Config) bool {
  4697  	b := v.Block
  4698  	_ = b
  4699  	// match: (Not x)
  4700  	// cond:
  4701  	// result: (XORWconst [1] x)
  4702  	for {
  4703  		x := v.Args[0]
  4704  		v.reset(OpS390XXORWconst)
  4705  		v.AuxInt = 1
  4706  		v.AddArg(x)
  4707  		return true
  4708  	}
  4709  }
  4710  func rewriteValueS390X_OpOffPtr(v *Value, config *Config) bool {
  4711  	b := v.Block
  4712  	_ = b
  4713  	// match: (OffPtr [off] ptr:(SP))
  4714  	// cond:
  4715  	// result: (MOVDaddr [off] ptr)
  4716  	for {
  4717  		off := v.AuxInt
  4718  		ptr := v.Args[0]
  4719  		if ptr.Op != OpSP {
  4720  			break
  4721  		}
  4722  		v.reset(OpS390XMOVDaddr)
  4723  		v.AuxInt = off
  4724  		v.AddArg(ptr)
  4725  		return true
  4726  	}
  4727  	// match: (OffPtr [off] ptr)
  4728  	// cond: is32Bit(off)
  4729  	// result: (ADDconst [off] ptr)
  4730  	for {
  4731  		off := v.AuxInt
  4732  		ptr := v.Args[0]
  4733  		if !(is32Bit(off)) {
  4734  			break
  4735  		}
  4736  		v.reset(OpS390XADDconst)
  4737  		v.AuxInt = off
  4738  		v.AddArg(ptr)
  4739  		return true
  4740  	}
  4741  	// match: (OffPtr [off] ptr)
  4742  	// cond:
  4743  	// result: (ADD (MOVDconst [off]) ptr)
  4744  	for {
  4745  		off := v.AuxInt
  4746  		ptr := v.Args[0]
  4747  		v.reset(OpS390XADD)
  4748  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
  4749  		v0.AuxInt = off
  4750  		v.AddArg(v0)
  4751  		v.AddArg(ptr)
  4752  		return true
  4753  	}
  4754  }
  4755  func rewriteValueS390X_OpOr16(v *Value, config *Config) bool {
  4756  	b := v.Block
  4757  	_ = b
  4758  	// match: (Or16 x y)
  4759  	// cond:
  4760  	// result: (ORW x y)
  4761  	for {
  4762  		x := v.Args[0]
  4763  		y := v.Args[1]
  4764  		v.reset(OpS390XORW)
  4765  		v.AddArg(x)
  4766  		v.AddArg(y)
  4767  		return true
  4768  	}
  4769  }
  4770  func rewriteValueS390X_OpOr32(v *Value, config *Config) bool {
  4771  	b := v.Block
  4772  	_ = b
  4773  	// match: (Or32 x y)
  4774  	// cond:
  4775  	// result: (ORW x y)
  4776  	for {
  4777  		x := v.Args[0]
  4778  		y := v.Args[1]
  4779  		v.reset(OpS390XORW)
  4780  		v.AddArg(x)
  4781  		v.AddArg(y)
  4782  		return true
  4783  	}
  4784  }
  4785  func rewriteValueS390X_OpOr64(v *Value, config *Config) bool {
  4786  	b := v.Block
  4787  	_ = b
  4788  	// match: (Or64 x y)
  4789  	// cond:
  4790  	// result: (OR x y)
  4791  	for {
  4792  		x := v.Args[0]
  4793  		y := v.Args[1]
  4794  		v.reset(OpS390XOR)
  4795  		v.AddArg(x)
  4796  		v.AddArg(y)
  4797  		return true
  4798  	}
  4799  }
  4800  func rewriteValueS390X_OpOr8(v *Value, config *Config) bool {
  4801  	b := v.Block
  4802  	_ = b
  4803  	// match: (Or8  x y)
  4804  	// cond:
  4805  	// result: (ORW x y)
  4806  	for {
  4807  		x := v.Args[0]
  4808  		y := v.Args[1]
  4809  		v.reset(OpS390XORW)
  4810  		v.AddArg(x)
  4811  		v.AddArg(y)
  4812  		return true
  4813  	}
  4814  }
  4815  func rewriteValueS390X_OpOrB(v *Value, config *Config) bool {
  4816  	b := v.Block
  4817  	_ = b
  4818  	// match: (OrB x y)
  4819  	// cond:
  4820  	// result: (ORW x y)
  4821  	for {
  4822  		x := v.Args[0]
  4823  		y := v.Args[1]
  4824  		v.reset(OpS390XORW)
  4825  		v.AddArg(x)
  4826  		v.AddArg(y)
  4827  		return true
  4828  	}
  4829  }
  4830  func rewriteValueS390X_OpRsh16Ux16(v *Value, config *Config) bool {
  4831  	b := v.Block
  4832  	_ = b
  4833  	// match: (Rsh16Ux16 <t> x y)
  4834  	// cond:
  4835  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [15])))
  4836  	for {
  4837  		t := v.Type
  4838  		x := v.Args[0]
  4839  		y := v.Args[1]
  4840  		v.reset(OpS390XANDW)
  4841  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  4842  		v1 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4843  		v1.AddArg(x)
  4844  		v0.AddArg(v1)
  4845  		v0.AddArg(y)
  4846  		v.AddArg(v0)
  4847  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  4848  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  4849  		v3.AuxInt = 15
  4850  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4851  		v4.AddArg(y)
  4852  		v3.AddArg(v4)
  4853  		v2.AddArg(v3)
  4854  		v.AddArg(v2)
  4855  		return true
  4856  	}
  4857  }
  4858  func rewriteValueS390X_OpRsh16Ux32(v *Value, config *Config) bool {
  4859  	b := v.Block
  4860  	_ = b
  4861  	// match: (Rsh16Ux32 <t> x y)
  4862  	// cond:
  4863  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPWUconst y [15])))
  4864  	for {
  4865  		t := v.Type
  4866  		x := v.Args[0]
  4867  		y := v.Args[1]
  4868  		v.reset(OpS390XANDW)
  4869  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  4870  		v1 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4871  		v1.AddArg(x)
  4872  		v0.AddArg(v1)
  4873  		v0.AddArg(y)
  4874  		v.AddArg(v0)
  4875  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  4876  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  4877  		v3.AuxInt = 15
  4878  		v3.AddArg(y)
  4879  		v2.AddArg(v3)
  4880  		v.AddArg(v2)
  4881  		return true
  4882  	}
  4883  }
  4884  func rewriteValueS390X_OpRsh16Ux64(v *Value, config *Config) bool {
  4885  	b := v.Block
  4886  	_ = b
  4887  	// match: (Rsh16Ux64 <t> x y)
  4888  	// cond:
  4889  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPUconst y [15])))
  4890  	for {
  4891  		t := v.Type
  4892  		x := v.Args[0]
  4893  		y := v.Args[1]
  4894  		v.reset(OpS390XANDW)
  4895  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  4896  		v1 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4897  		v1.AddArg(x)
  4898  		v0.AddArg(v1)
  4899  		v0.AddArg(y)
  4900  		v.AddArg(v0)
  4901  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  4902  		v3 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  4903  		v3.AuxInt = 15
  4904  		v3.AddArg(y)
  4905  		v2.AddArg(v3)
  4906  		v.AddArg(v2)
  4907  		return true
  4908  	}
  4909  }
  4910  func rewriteValueS390X_OpRsh16Ux8(v *Value, config *Config) bool {
  4911  	b := v.Block
  4912  	_ = b
  4913  	// match: (Rsh16Ux8  <t> x y)
  4914  	// cond:
  4915  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [15])))
  4916  	for {
  4917  		t := v.Type
  4918  		x := v.Args[0]
  4919  		y := v.Args[1]
  4920  		v.reset(OpS390XANDW)
  4921  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  4922  		v1 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4923  		v1.AddArg(x)
  4924  		v0.AddArg(v1)
  4925  		v0.AddArg(y)
  4926  		v.AddArg(v0)
  4927  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  4928  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  4929  		v3.AuxInt = 15
  4930  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  4931  		v4.AddArg(y)
  4932  		v3.AddArg(v4)
  4933  		v2.AddArg(v3)
  4934  		v.AddArg(v2)
  4935  		return true
  4936  	}
  4937  }
  4938  func rewriteValueS390X_OpRsh16x16(v *Value, config *Config) bool {
  4939  	b := v.Block
  4940  	_ = b
  4941  	// match: (Rsh16x16 <t> x y)
  4942  	// cond:
  4943  	// result: (SRAW <t> (MOVHreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [15])))))
  4944  	for {
  4945  		t := v.Type
  4946  		x := v.Args[0]
  4947  		y := v.Args[1]
  4948  		v.reset(OpS390XSRAW)
  4949  		v.Type = t
  4950  		v0 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  4951  		v0.AddArg(x)
  4952  		v.AddArg(v0)
  4953  		v1 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  4954  		v1.AddArg(y)
  4955  		v2 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  4956  		v3 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  4957  		v4 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  4958  		v4.AuxInt = 15
  4959  		v5 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4960  		v5.AddArg(y)
  4961  		v4.AddArg(v5)
  4962  		v3.AddArg(v4)
  4963  		v2.AddArg(v3)
  4964  		v1.AddArg(v2)
  4965  		v.AddArg(v1)
  4966  		return true
  4967  	}
  4968  }
  4969  func rewriteValueS390X_OpRsh16x32(v *Value, config *Config) bool {
  4970  	b := v.Block
  4971  	_ = b
  4972  	// match: (Rsh16x32 <t> x y)
  4973  	// cond:
  4974  	// result: (SRAW <t> (MOVHreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [15])))))
  4975  	for {
  4976  		t := v.Type
  4977  		x := v.Args[0]
  4978  		y := v.Args[1]
  4979  		v.reset(OpS390XSRAW)
  4980  		v.Type = t
  4981  		v0 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  4982  		v0.AddArg(x)
  4983  		v.AddArg(v0)
  4984  		v1 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  4985  		v1.AddArg(y)
  4986  		v2 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  4987  		v3 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  4988  		v4 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  4989  		v4.AuxInt = 15
  4990  		v4.AddArg(y)
  4991  		v3.AddArg(v4)
  4992  		v2.AddArg(v3)
  4993  		v1.AddArg(v2)
  4994  		v.AddArg(v1)
  4995  		return true
  4996  	}
  4997  }
  4998  func rewriteValueS390X_OpRsh16x64(v *Value, config *Config) bool {
  4999  	b := v.Block
  5000  	_ = b
  5001  	// match: (Rsh16x64 <t> x y)
  5002  	// cond:
  5003  	// result: (SRAW <t> (MOVHreg x) (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [15])))))
  5004  	for {
  5005  		t := v.Type
  5006  		x := v.Args[0]
  5007  		y := v.Args[1]
  5008  		v.reset(OpS390XSRAW)
  5009  		v.Type = t
  5010  		v0 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  5011  		v0.AddArg(x)
  5012  		v.AddArg(v0)
  5013  		v1 := b.NewValue0(v.Pos, OpS390XOR, y.Type)
  5014  		v1.AddArg(y)
  5015  		v2 := b.NewValue0(v.Pos, OpS390XNOT, y.Type)
  5016  		v3 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, y.Type)
  5017  		v4 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  5018  		v4.AuxInt = 15
  5019  		v4.AddArg(y)
  5020  		v3.AddArg(v4)
  5021  		v2.AddArg(v3)
  5022  		v1.AddArg(v2)
  5023  		v.AddArg(v1)
  5024  		return true
  5025  	}
  5026  }
  5027  func rewriteValueS390X_OpRsh16x8(v *Value, config *Config) bool {
  5028  	b := v.Block
  5029  	_ = b
  5030  	// match: (Rsh16x8  <t> x y)
  5031  	// cond:
  5032  	// result: (SRAW <t> (MOVHreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [15])))))
  5033  	for {
  5034  		t := v.Type
  5035  		x := v.Args[0]
  5036  		y := v.Args[1]
  5037  		v.reset(OpS390XSRAW)
  5038  		v.Type = t
  5039  		v0 := b.NewValue0(v.Pos, OpS390XMOVHreg, config.fe.TypeInt64())
  5040  		v0.AddArg(x)
  5041  		v.AddArg(v0)
  5042  		v1 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5043  		v1.AddArg(y)
  5044  		v2 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5045  		v3 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5046  		v4 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5047  		v4.AuxInt = 15
  5048  		v5 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5049  		v5.AddArg(y)
  5050  		v4.AddArg(v5)
  5051  		v3.AddArg(v4)
  5052  		v2.AddArg(v3)
  5053  		v1.AddArg(v2)
  5054  		v.AddArg(v1)
  5055  		return true
  5056  	}
  5057  }
  5058  func rewriteValueS390X_OpRsh32Ux16(v *Value, config *Config) bool {
  5059  	b := v.Block
  5060  	_ = b
  5061  	// match: (Rsh32Ux16 <t> x y)
  5062  	// cond:
  5063  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  5064  	for {
  5065  		t := v.Type
  5066  		x := v.Args[0]
  5067  		y := v.Args[1]
  5068  		v.reset(OpS390XANDW)
  5069  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5070  		v0.AddArg(x)
  5071  		v0.AddArg(y)
  5072  		v.AddArg(v0)
  5073  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5074  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5075  		v2.AuxInt = 31
  5076  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5077  		v3.AddArg(y)
  5078  		v2.AddArg(v3)
  5079  		v1.AddArg(v2)
  5080  		v.AddArg(v1)
  5081  		return true
  5082  	}
  5083  }
  5084  func rewriteValueS390X_OpRsh32Ux32(v *Value, config *Config) bool {
  5085  	b := v.Block
  5086  	_ = b
  5087  	// match: (Rsh32Ux32 <t> x y)
  5088  	// cond:
  5089  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  5090  	for {
  5091  		t := v.Type
  5092  		x := v.Args[0]
  5093  		y := v.Args[1]
  5094  		v.reset(OpS390XANDW)
  5095  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5096  		v0.AddArg(x)
  5097  		v0.AddArg(y)
  5098  		v.AddArg(v0)
  5099  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5100  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5101  		v2.AuxInt = 31
  5102  		v2.AddArg(y)
  5103  		v1.AddArg(v2)
  5104  		v.AddArg(v1)
  5105  		return true
  5106  	}
  5107  }
  5108  func rewriteValueS390X_OpRsh32Ux64(v *Value, config *Config) bool {
  5109  	b := v.Block
  5110  	_ = b
  5111  	// match: (Rsh32Ux64 <t> x y)
  5112  	// cond:
  5113  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  5114  	for {
  5115  		t := v.Type
  5116  		x := v.Args[0]
  5117  		y := v.Args[1]
  5118  		v.reset(OpS390XANDW)
  5119  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5120  		v0.AddArg(x)
  5121  		v0.AddArg(y)
  5122  		v.AddArg(v0)
  5123  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5124  		v2 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  5125  		v2.AuxInt = 31
  5126  		v2.AddArg(y)
  5127  		v1.AddArg(v2)
  5128  		v.AddArg(v1)
  5129  		return true
  5130  	}
  5131  }
  5132  func rewriteValueS390X_OpRsh32Ux8(v *Value, config *Config) bool {
  5133  	b := v.Block
  5134  	_ = b
  5135  	// match: (Rsh32Ux8  <t> x y)
  5136  	// cond:
  5137  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  5138  	for {
  5139  		t := v.Type
  5140  		x := v.Args[0]
  5141  		y := v.Args[1]
  5142  		v.reset(OpS390XANDW)
  5143  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5144  		v0.AddArg(x)
  5145  		v0.AddArg(y)
  5146  		v.AddArg(v0)
  5147  		v1 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5148  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5149  		v2.AuxInt = 31
  5150  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5151  		v3.AddArg(y)
  5152  		v2.AddArg(v3)
  5153  		v1.AddArg(v2)
  5154  		v.AddArg(v1)
  5155  		return true
  5156  	}
  5157  }
  5158  func rewriteValueS390X_OpRsh32x16(v *Value, config *Config) bool {
  5159  	b := v.Block
  5160  	_ = b
  5161  	// match: (Rsh32x16 <t> x y)
  5162  	// cond:
  5163  	// result: (SRAW <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [31])))))
  5164  	for {
  5165  		t := v.Type
  5166  		x := v.Args[0]
  5167  		y := v.Args[1]
  5168  		v.reset(OpS390XSRAW)
  5169  		v.Type = t
  5170  		v.AddArg(x)
  5171  		v0 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5172  		v0.AddArg(y)
  5173  		v1 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5174  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5175  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5176  		v3.AuxInt = 31
  5177  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5178  		v4.AddArg(y)
  5179  		v3.AddArg(v4)
  5180  		v2.AddArg(v3)
  5181  		v1.AddArg(v2)
  5182  		v0.AddArg(v1)
  5183  		v.AddArg(v0)
  5184  		return true
  5185  	}
  5186  }
  5187  func rewriteValueS390X_OpRsh32x32(v *Value, config *Config) bool {
  5188  	b := v.Block
  5189  	_ = b
  5190  	// match: (Rsh32x32 <t> x y)
  5191  	// cond:
  5192  	// result: (SRAW <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [31])))))
  5193  	for {
  5194  		t := v.Type
  5195  		x := v.Args[0]
  5196  		y := v.Args[1]
  5197  		v.reset(OpS390XSRAW)
  5198  		v.Type = t
  5199  		v.AddArg(x)
  5200  		v0 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5201  		v0.AddArg(y)
  5202  		v1 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5203  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5204  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5205  		v3.AuxInt = 31
  5206  		v3.AddArg(y)
  5207  		v2.AddArg(v3)
  5208  		v1.AddArg(v2)
  5209  		v0.AddArg(v1)
  5210  		v.AddArg(v0)
  5211  		return true
  5212  	}
  5213  }
  5214  func rewriteValueS390X_OpRsh32x64(v *Value, config *Config) bool {
  5215  	b := v.Block
  5216  	_ = b
  5217  	// match: (Rsh32x64 <t> x y)
  5218  	// cond:
  5219  	// result: (SRAW <t> x (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [31])))))
  5220  	for {
  5221  		t := v.Type
  5222  		x := v.Args[0]
  5223  		y := v.Args[1]
  5224  		v.reset(OpS390XSRAW)
  5225  		v.Type = t
  5226  		v.AddArg(x)
  5227  		v0 := b.NewValue0(v.Pos, OpS390XOR, y.Type)
  5228  		v0.AddArg(y)
  5229  		v1 := b.NewValue0(v.Pos, OpS390XNOT, y.Type)
  5230  		v2 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, y.Type)
  5231  		v3 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  5232  		v3.AuxInt = 31
  5233  		v3.AddArg(y)
  5234  		v2.AddArg(v3)
  5235  		v1.AddArg(v2)
  5236  		v0.AddArg(v1)
  5237  		v.AddArg(v0)
  5238  		return true
  5239  	}
  5240  }
  5241  func rewriteValueS390X_OpRsh32x8(v *Value, config *Config) bool {
  5242  	b := v.Block
  5243  	_ = b
  5244  	// match: (Rsh32x8  <t> x y)
  5245  	// cond:
  5246  	// result: (SRAW <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [31])))))
  5247  	for {
  5248  		t := v.Type
  5249  		x := v.Args[0]
  5250  		y := v.Args[1]
  5251  		v.reset(OpS390XSRAW)
  5252  		v.Type = t
  5253  		v.AddArg(x)
  5254  		v0 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5255  		v0.AddArg(y)
  5256  		v1 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5257  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5258  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5259  		v3.AuxInt = 31
  5260  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5261  		v4.AddArg(y)
  5262  		v3.AddArg(v4)
  5263  		v2.AddArg(v3)
  5264  		v1.AddArg(v2)
  5265  		v0.AddArg(v1)
  5266  		v.AddArg(v0)
  5267  		return true
  5268  	}
  5269  }
  5270  func rewriteValueS390X_OpRsh64Ux16(v *Value, config *Config) bool {
  5271  	b := v.Block
  5272  	_ = b
  5273  	// match: (Rsh64Ux16 <t> x y)
  5274  	// cond:
  5275  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVHZreg y) [63])))
  5276  	for {
  5277  		t := v.Type
  5278  		x := v.Args[0]
  5279  		y := v.Args[1]
  5280  		v.reset(OpS390XAND)
  5281  		v0 := b.NewValue0(v.Pos, OpS390XSRD, t)
  5282  		v0.AddArg(x)
  5283  		v0.AddArg(y)
  5284  		v.AddArg(v0)
  5285  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  5286  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5287  		v2.AuxInt = 63
  5288  		v3 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5289  		v3.AddArg(y)
  5290  		v2.AddArg(v3)
  5291  		v1.AddArg(v2)
  5292  		v.AddArg(v1)
  5293  		return true
  5294  	}
  5295  }
  5296  func rewriteValueS390X_OpRsh64Ux32(v *Value, config *Config) bool {
  5297  	b := v.Block
  5298  	_ = b
  5299  	// match: (Rsh64Ux32 <t> x y)
  5300  	// cond:
  5301  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPWUconst y [63])))
  5302  	for {
  5303  		t := v.Type
  5304  		x := v.Args[0]
  5305  		y := v.Args[1]
  5306  		v.reset(OpS390XAND)
  5307  		v0 := b.NewValue0(v.Pos, OpS390XSRD, t)
  5308  		v0.AddArg(x)
  5309  		v0.AddArg(y)
  5310  		v.AddArg(v0)
  5311  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  5312  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5313  		v2.AuxInt = 63
  5314  		v2.AddArg(y)
  5315  		v1.AddArg(v2)
  5316  		v.AddArg(v1)
  5317  		return true
  5318  	}
  5319  }
  5320  func rewriteValueS390X_OpRsh64Ux64(v *Value, config *Config) bool {
  5321  	b := v.Block
  5322  	_ = b
  5323  	// match: (Rsh64Ux64 <t> x y)
  5324  	// cond:
  5325  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPUconst y [63])))
  5326  	for {
  5327  		t := v.Type
  5328  		x := v.Args[0]
  5329  		y := v.Args[1]
  5330  		v.reset(OpS390XAND)
  5331  		v0 := b.NewValue0(v.Pos, OpS390XSRD, t)
  5332  		v0.AddArg(x)
  5333  		v0.AddArg(y)
  5334  		v.AddArg(v0)
  5335  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  5336  		v2 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  5337  		v2.AuxInt = 63
  5338  		v2.AddArg(y)
  5339  		v1.AddArg(v2)
  5340  		v.AddArg(v1)
  5341  		return true
  5342  	}
  5343  }
  5344  func rewriteValueS390X_OpRsh64Ux8(v *Value, config *Config) bool {
  5345  	b := v.Block
  5346  	_ = b
  5347  	// match: (Rsh64Ux8  <t> x y)
  5348  	// cond:
  5349  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVBZreg y) [63])))
  5350  	for {
  5351  		t := v.Type
  5352  		x := v.Args[0]
  5353  		y := v.Args[1]
  5354  		v.reset(OpS390XAND)
  5355  		v0 := b.NewValue0(v.Pos, OpS390XSRD, t)
  5356  		v0.AddArg(x)
  5357  		v0.AddArg(y)
  5358  		v.AddArg(v0)
  5359  		v1 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, t)
  5360  		v2 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5361  		v2.AuxInt = 63
  5362  		v3 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5363  		v3.AddArg(y)
  5364  		v2.AddArg(v3)
  5365  		v1.AddArg(v2)
  5366  		v.AddArg(v1)
  5367  		return true
  5368  	}
  5369  }
  5370  func rewriteValueS390X_OpRsh64x16(v *Value, config *Config) bool {
  5371  	b := v.Block
  5372  	_ = b
  5373  	// match: (Rsh64x16 <t> x y)
  5374  	// cond:
  5375  	// result: (SRAD <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [63])))))
  5376  	for {
  5377  		t := v.Type
  5378  		x := v.Args[0]
  5379  		y := v.Args[1]
  5380  		v.reset(OpS390XSRAD)
  5381  		v.Type = t
  5382  		v.AddArg(x)
  5383  		v0 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5384  		v0.AddArg(y)
  5385  		v1 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5386  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5387  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5388  		v3.AuxInt = 63
  5389  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5390  		v4.AddArg(y)
  5391  		v3.AddArg(v4)
  5392  		v2.AddArg(v3)
  5393  		v1.AddArg(v2)
  5394  		v0.AddArg(v1)
  5395  		v.AddArg(v0)
  5396  		return true
  5397  	}
  5398  }
  5399  func rewriteValueS390X_OpRsh64x32(v *Value, config *Config) bool {
  5400  	b := v.Block
  5401  	_ = b
  5402  	// match: (Rsh64x32 <t> x y)
  5403  	// cond:
  5404  	// result: (SRAD <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [63])))))
  5405  	for {
  5406  		t := v.Type
  5407  		x := v.Args[0]
  5408  		y := v.Args[1]
  5409  		v.reset(OpS390XSRAD)
  5410  		v.Type = t
  5411  		v.AddArg(x)
  5412  		v0 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5413  		v0.AddArg(y)
  5414  		v1 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5415  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5416  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5417  		v3.AuxInt = 63
  5418  		v3.AddArg(y)
  5419  		v2.AddArg(v3)
  5420  		v1.AddArg(v2)
  5421  		v0.AddArg(v1)
  5422  		v.AddArg(v0)
  5423  		return true
  5424  	}
  5425  }
  5426  func rewriteValueS390X_OpRsh64x64(v *Value, config *Config) bool {
  5427  	b := v.Block
  5428  	_ = b
  5429  	// match: (Rsh64x64 <t> x y)
  5430  	// cond:
  5431  	// result: (SRAD <t> x (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [63])))))
  5432  	for {
  5433  		t := v.Type
  5434  		x := v.Args[0]
  5435  		y := v.Args[1]
  5436  		v.reset(OpS390XSRAD)
  5437  		v.Type = t
  5438  		v.AddArg(x)
  5439  		v0 := b.NewValue0(v.Pos, OpS390XOR, y.Type)
  5440  		v0.AddArg(y)
  5441  		v1 := b.NewValue0(v.Pos, OpS390XNOT, y.Type)
  5442  		v2 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, y.Type)
  5443  		v3 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  5444  		v3.AuxInt = 63
  5445  		v3.AddArg(y)
  5446  		v2.AddArg(v3)
  5447  		v1.AddArg(v2)
  5448  		v0.AddArg(v1)
  5449  		v.AddArg(v0)
  5450  		return true
  5451  	}
  5452  }
  5453  func rewriteValueS390X_OpRsh64x8(v *Value, config *Config) bool {
  5454  	b := v.Block
  5455  	_ = b
  5456  	// match: (Rsh64x8  <t> x y)
  5457  	// cond:
  5458  	// result: (SRAD <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [63])))))
  5459  	for {
  5460  		t := v.Type
  5461  		x := v.Args[0]
  5462  		y := v.Args[1]
  5463  		v.reset(OpS390XSRAD)
  5464  		v.Type = t
  5465  		v.AddArg(x)
  5466  		v0 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5467  		v0.AddArg(y)
  5468  		v1 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5469  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5470  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5471  		v3.AuxInt = 63
  5472  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5473  		v4.AddArg(y)
  5474  		v3.AddArg(v4)
  5475  		v2.AddArg(v3)
  5476  		v1.AddArg(v2)
  5477  		v0.AddArg(v1)
  5478  		v.AddArg(v0)
  5479  		return true
  5480  	}
  5481  }
  5482  func rewriteValueS390X_OpRsh8Ux16(v *Value, config *Config) bool {
  5483  	b := v.Block
  5484  	_ = b
  5485  	// match: (Rsh8Ux16 <t> x y)
  5486  	// cond:
  5487  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [7])))
  5488  	for {
  5489  		t := v.Type
  5490  		x := v.Args[0]
  5491  		y := v.Args[1]
  5492  		v.reset(OpS390XANDW)
  5493  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5494  		v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5495  		v1.AddArg(x)
  5496  		v0.AddArg(v1)
  5497  		v0.AddArg(y)
  5498  		v.AddArg(v0)
  5499  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5500  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5501  		v3.AuxInt = 7
  5502  		v4 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5503  		v4.AddArg(y)
  5504  		v3.AddArg(v4)
  5505  		v2.AddArg(v3)
  5506  		v.AddArg(v2)
  5507  		return true
  5508  	}
  5509  }
  5510  func rewriteValueS390X_OpRsh8Ux32(v *Value, config *Config) bool {
  5511  	b := v.Block
  5512  	_ = b
  5513  	// match: (Rsh8Ux32 <t> x y)
  5514  	// cond:
  5515  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPWUconst y [7])))
  5516  	for {
  5517  		t := v.Type
  5518  		x := v.Args[0]
  5519  		y := v.Args[1]
  5520  		v.reset(OpS390XANDW)
  5521  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5522  		v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5523  		v1.AddArg(x)
  5524  		v0.AddArg(v1)
  5525  		v0.AddArg(y)
  5526  		v.AddArg(v0)
  5527  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5528  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5529  		v3.AuxInt = 7
  5530  		v3.AddArg(y)
  5531  		v2.AddArg(v3)
  5532  		v.AddArg(v2)
  5533  		return true
  5534  	}
  5535  }
  5536  func rewriteValueS390X_OpRsh8Ux64(v *Value, config *Config) bool {
  5537  	b := v.Block
  5538  	_ = b
  5539  	// match: (Rsh8Ux64 <t> x y)
  5540  	// cond:
  5541  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPUconst y [7])))
  5542  	for {
  5543  		t := v.Type
  5544  		x := v.Args[0]
  5545  		y := v.Args[1]
  5546  		v.reset(OpS390XANDW)
  5547  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5548  		v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5549  		v1.AddArg(x)
  5550  		v0.AddArg(v1)
  5551  		v0.AddArg(y)
  5552  		v.AddArg(v0)
  5553  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5554  		v3 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  5555  		v3.AuxInt = 7
  5556  		v3.AddArg(y)
  5557  		v2.AddArg(v3)
  5558  		v.AddArg(v2)
  5559  		return true
  5560  	}
  5561  }
  5562  func rewriteValueS390X_OpRsh8Ux8(v *Value, config *Config) bool {
  5563  	b := v.Block
  5564  	_ = b
  5565  	// match: (Rsh8Ux8  <t> x y)
  5566  	// cond:
  5567  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [7])))
  5568  	for {
  5569  		t := v.Type
  5570  		x := v.Args[0]
  5571  		y := v.Args[1]
  5572  		v.reset(OpS390XANDW)
  5573  		v0 := b.NewValue0(v.Pos, OpS390XSRW, t)
  5574  		v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5575  		v1.AddArg(x)
  5576  		v0.AddArg(v1)
  5577  		v0.AddArg(y)
  5578  		v.AddArg(v0)
  5579  		v2 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, t)
  5580  		v3 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5581  		v3.AuxInt = 7
  5582  		v4 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5583  		v4.AddArg(y)
  5584  		v3.AddArg(v4)
  5585  		v2.AddArg(v3)
  5586  		v.AddArg(v2)
  5587  		return true
  5588  	}
  5589  }
  5590  func rewriteValueS390X_OpRsh8x16(v *Value, config *Config) bool {
  5591  	b := v.Block
  5592  	_ = b
  5593  	// match: (Rsh8x16 <t> x y)
  5594  	// cond:
  5595  	// result: (SRAW <t> (MOVBreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [7])))))
  5596  	for {
  5597  		t := v.Type
  5598  		x := v.Args[0]
  5599  		y := v.Args[1]
  5600  		v.reset(OpS390XSRAW)
  5601  		v.Type = t
  5602  		v0 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  5603  		v0.AddArg(x)
  5604  		v.AddArg(v0)
  5605  		v1 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5606  		v1.AddArg(y)
  5607  		v2 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5608  		v3 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5609  		v4 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5610  		v4.AuxInt = 7
  5611  		v5 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5612  		v5.AddArg(y)
  5613  		v4.AddArg(v5)
  5614  		v3.AddArg(v4)
  5615  		v2.AddArg(v3)
  5616  		v1.AddArg(v2)
  5617  		v.AddArg(v1)
  5618  		return true
  5619  	}
  5620  }
  5621  func rewriteValueS390X_OpRsh8x32(v *Value, config *Config) bool {
  5622  	b := v.Block
  5623  	_ = b
  5624  	// match: (Rsh8x32 <t> x y)
  5625  	// cond:
  5626  	// result: (SRAW <t> (MOVBreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [7])))))
  5627  	for {
  5628  		t := v.Type
  5629  		x := v.Args[0]
  5630  		y := v.Args[1]
  5631  		v.reset(OpS390XSRAW)
  5632  		v.Type = t
  5633  		v0 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  5634  		v0.AddArg(x)
  5635  		v.AddArg(v0)
  5636  		v1 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5637  		v1.AddArg(y)
  5638  		v2 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5639  		v3 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5640  		v4 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5641  		v4.AuxInt = 7
  5642  		v4.AddArg(y)
  5643  		v3.AddArg(v4)
  5644  		v2.AddArg(v3)
  5645  		v1.AddArg(v2)
  5646  		v.AddArg(v1)
  5647  		return true
  5648  	}
  5649  }
  5650  func rewriteValueS390X_OpRsh8x64(v *Value, config *Config) bool {
  5651  	b := v.Block
  5652  	_ = b
  5653  	// match: (Rsh8x64 <t> x y)
  5654  	// cond:
  5655  	// result: (SRAW <t> (MOVBreg x) (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [7])))))
  5656  	for {
  5657  		t := v.Type
  5658  		x := v.Args[0]
  5659  		y := v.Args[1]
  5660  		v.reset(OpS390XSRAW)
  5661  		v.Type = t
  5662  		v0 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  5663  		v0.AddArg(x)
  5664  		v.AddArg(v0)
  5665  		v1 := b.NewValue0(v.Pos, OpS390XOR, y.Type)
  5666  		v1.AddArg(y)
  5667  		v2 := b.NewValue0(v.Pos, OpS390XNOT, y.Type)
  5668  		v3 := b.NewValue0(v.Pos, OpS390XSUBEcarrymask, y.Type)
  5669  		v4 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  5670  		v4.AuxInt = 7
  5671  		v4.AddArg(y)
  5672  		v3.AddArg(v4)
  5673  		v2.AddArg(v3)
  5674  		v1.AddArg(v2)
  5675  		v.AddArg(v1)
  5676  		return true
  5677  	}
  5678  }
  5679  func rewriteValueS390X_OpRsh8x8(v *Value, config *Config) bool {
  5680  	b := v.Block
  5681  	_ = b
  5682  	// match: (Rsh8x8  <t> x y)
  5683  	// cond:
  5684  	// result: (SRAW <t> (MOVBreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [7])))))
  5685  	for {
  5686  		t := v.Type
  5687  		x := v.Args[0]
  5688  		y := v.Args[1]
  5689  		v.reset(OpS390XSRAW)
  5690  		v.Type = t
  5691  		v0 := b.NewValue0(v.Pos, OpS390XMOVBreg, config.fe.TypeInt64())
  5692  		v0.AddArg(x)
  5693  		v.AddArg(v0)
  5694  		v1 := b.NewValue0(v.Pos, OpS390XORW, y.Type)
  5695  		v1.AddArg(y)
  5696  		v2 := b.NewValue0(v.Pos, OpS390XNOTW, y.Type)
  5697  		v3 := b.NewValue0(v.Pos, OpS390XSUBEWcarrymask, y.Type)
  5698  		v4 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  5699  		v4.AuxInt = 7
  5700  		v5 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5701  		v5.AddArg(y)
  5702  		v4.AddArg(v5)
  5703  		v3.AddArg(v4)
  5704  		v2.AddArg(v3)
  5705  		v1.AddArg(v2)
  5706  		v.AddArg(v1)
  5707  		return true
  5708  	}
  5709  }
  5710  func rewriteValueS390X_OpS390XADD(v *Value, config *Config) bool {
  5711  	b := v.Block
  5712  	_ = b
  5713  	// match: (ADD x (MOVDconst [c]))
  5714  	// cond: is32Bit(c)
  5715  	// result: (ADDconst [c] x)
  5716  	for {
  5717  		x := v.Args[0]
  5718  		v_1 := v.Args[1]
  5719  		if v_1.Op != OpS390XMOVDconst {
  5720  			break
  5721  		}
  5722  		c := v_1.AuxInt
  5723  		if !(is32Bit(c)) {
  5724  			break
  5725  		}
  5726  		v.reset(OpS390XADDconst)
  5727  		v.AuxInt = c
  5728  		v.AddArg(x)
  5729  		return true
  5730  	}
  5731  	// match: (ADD (MOVDconst [c]) x)
  5732  	// cond: is32Bit(c)
  5733  	// result: (ADDconst [c] x)
  5734  	for {
  5735  		v_0 := v.Args[0]
  5736  		if v_0.Op != OpS390XMOVDconst {
  5737  			break
  5738  		}
  5739  		c := v_0.AuxInt
  5740  		x := v.Args[1]
  5741  		if !(is32Bit(c)) {
  5742  			break
  5743  		}
  5744  		v.reset(OpS390XADDconst)
  5745  		v.AuxInt = c
  5746  		v.AddArg(x)
  5747  		return true
  5748  	}
  5749  	// match: (ADD (SLDconst x [c]) (SRDconst x [64-c]))
  5750  	// cond:
  5751  	// result: (RLLGconst [   c] x)
  5752  	for {
  5753  		v_0 := v.Args[0]
  5754  		if v_0.Op != OpS390XSLDconst {
  5755  			break
  5756  		}
  5757  		c := v_0.AuxInt
  5758  		x := v_0.Args[0]
  5759  		v_1 := v.Args[1]
  5760  		if v_1.Op != OpS390XSRDconst {
  5761  			break
  5762  		}
  5763  		if v_1.AuxInt != 64-c {
  5764  			break
  5765  		}
  5766  		if x != v_1.Args[0] {
  5767  			break
  5768  		}
  5769  		v.reset(OpS390XRLLGconst)
  5770  		v.AuxInt = c
  5771  		v.AddArg(x)
  5772  		return true
  5773  	}
  5774  	// match: (ADD (SRDconst x [c]) (SLDconst x [64-c]))
  5775  	// cond:
  5776  	// result: (RLLGconst [64-c] x)
  5777  	for {
  5778  		v_0 := v.Args[0]
  5779  		if v_0.Op != OpS390XSRDconst {
  5780  			break
  5781  		}
  5782  		c := v_0.AuxInt
  5783  		x := v_0.Args[0]
  5784  		v_1 := v.Args[1]
  5785  		if v_1.Op != OpS390XSLDconst {
  5786  			break
  5787  		}
  5788  		if v_1.AuxInt != 64-c {
  5789  			break
  5790  		}
  5791  		if x != v_1.Args[0] {
  5792  			break
  5793  		}
  5794  		v.reset(OpS390XRLLGconst)
  5795  		v.AuxInt = 64 - c
  5796  		v.AddArg(x)
  5797  		return true
  5798  	}
  5799  	// match: (ADD x (MOVDaddr [c] {s} y))
  5800  	// cond: x.Op != OpSB && y.Op != OpSB
  5801  	// result: (MOVDaddridx [c] {s} x y)
  5802  	for {
  5803  		x := v.Args[0]
  5804  		v_1 := v.Args[1]
  5805  		if v_1.Op != OpS390XMOVDaddr {
  5806  			break
  5807  		}
  5808  		c := v_1.AuxInt
  5809  		s := v_1.Aux
  5810  		y := v_1.Args[0]
  5811  		if !(x.Op != OpSB && y.Op != OpSB) {
  5812  			break
  5813  		}
  5814  		v.reset(OpS390XMOVDaddridx)
  5815  		v.AuxInt = c
  5816  		v.Aux = s
  5817  		v.AddArg(x)
  5818  		v.AddArg(y)
  5819  		return true
  5820  	}
  5821  	// match: (ADD (MOVDaddr [c] {s} x) y)
  5822  	// cond: x.Op != OpSB && y.Op != OpSB
  5823  	// result: (MOVDaddridx [c] {s} x y)
  5824  	for {
  5825  		v_0 := v.Args[0]
  5826  		if v_0.Op != OpS390XMOVDaddr {
  5827  			break
  5828  		}
  5829  		c := v_0.AuxInt
  5830  		s := v_0.Aux
  5831  		x := v_0.Args[0]
  5832  		y := v.Args[1]
  5833  		if !(x.Op != OpSB && y.Op != OpSB) {
  5834  			break
  5835  		}
  5836  		v.reset(OpS390XMOVDaddridx)
  5837  		v.AuxInt = c
  5838  		v.Aux = s
  5839  		v.AddArg(x)
  5840  		v.AddArg(y)
  5841  		return true
  5842  	}
  5843  	// match: (ADD x (NEG y))
  5844  	// cond:
  5845  	// result: (SUB x y)
  5846  	for {
  5847  		x := v.Args[0]
  5848  		v_1 := v.Args[1]
  5849  		if v_1.Op != OpS390XNEG {
  5850  			break
  5851  		}
  5852  		y := v_1.Args[0]
  5853  		v.reset(OpS390XSUB)
  5854  		v.AddArg(x)
  5855  		v.AddArg(y)
  5856  		return true
  5857  	}
  5858  	// match: (ADD <t> x g:(MOVDload [off] {sym} ptr mem))
  5859  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  5860  	// result: (ADDload <t> [off] {sym} x ptr mem)
  5861  	for {
  5862  		t := v.Type
  5863  		x := v.Args[0]
  5864  		g := v.Args[1]
  5865  		if g.Op != OpS390XMOVDload {
  5866  			break
  5867  		}
  5868  		off := g.AuxInt
  5869  		sym := g.Aux
  5870  		ptr := g.Args[0]
  5871  		mem := g.Args[1]
  5872  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  5873  			break
  5874  		}
  5875  		v.reset(OpS390XADDload)
  5876  		v.Type = t
  5877  		v.AuxInt = off
  5878  		v.Aux = sym
  5879  		v.AddArg(x)
  5880  		v.AddArg(ptr)
  5881  		v.AddArg(mem)
  5882  		return true
  5883  	}
  5884  	// match: (ADD <t> g:(MOVDload [off] {sym} ptr mem) x)
  5885  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  5886  	// result: (ADDload <t> [off] {sym} x ptr mem)
  5887  	for {
  5888  		t := v.Type
  5889  		g := v.Args[0]
  5890  		if g.Op != OpS390XMOVDload {
  5891  			break
  5892  		}
  5893  		off := g.AuxInt
  5894  		sym := g.Aux
  5895  		ptr := g.Args[0]
  5896  		mem := g.Args[1]
  5897  		x := v.Args[1]
  5898  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  5899  			break
  5900  		}
  5901  		v.reset(OpS390XADDload)
  5902  		v.Type = t
  5903  		v.AuxInt = off
  5904  		v.Aux = sym
  5905  		v.AddArg(x)
  5906  		v.AddArg(ptr)
  5907  		v.AddArg(mem)
  5908  		return true
  5909  	}
  5910  	return false
  5911  }
  5912  func rewriteValueS390X_OpS390XADDW(v *Value, config *Config) bool {
  5913  	b := v.Block
  5914  	_ = b
  5915  	// match: (ADDW x (MOVDconst [c]))
  5916  	// cond:
  5917  	// result: (ADDWconst [c] x)
  5918  	for {
  5919  		x := v.Args[0]
  5920  		v_1 := v.Args[1]
  5921  		if v_1.Op != OpS390XMOVDconst {
  5922  			break
  5923  		}
  5924  		c := v_1.AuxInt
  5925  		v.reset(OpS390XADDWconst)
  5926  		v.AuxInt = c
  5927  		v.AddArg(x)
  5928  		return true
  5929  	}
  5930  	// match: (ADDW (MOVDconst [c]) x)
  5931  	// cond:
  5932  	// result: (ADDWconst [c] x)
  5933  	for {
  5934  		v_0 := v.Args[0]
  5935  		if v_0.Op != OpS390XMOVDconst {
  5936  			break
  5937  		}
  5938  		c := v_0.AuxInt
  5939  		x := v.Args[1]
  5940  		v.reset(OpS390XADDWconst)
  5941  		v.AuxInt = c
  5942  		v.AddArg(x)
  5943  		return true
  5944  	}
  5945  	// match: (ADDW (SLWconst x [c]) (SRWconst x [32-c]))
  5946  	// cond:
  5947  	// result: (RLLconst [   c] x)
  5948  	for {
  5949  		v_0 := v.Args[0]
  5950  		if v_0.Op != OpS390XSLWconst {
  5951  			break
  5952  		}
  5953  		c := v_0.AuxInt
  5954  		x := v_0.Args[0]
  5955  		v_1 := v.Args[1]
  5956  		if v_1.Op != OpS390XSRWconst {
  5957  			break
  5958  		}
  5959  		if v_1.AuxInt != 32-c {
  5960  			break
  5961  		}
  5962  		if x != v_1.Args[0] {
  5963  			break
  5964  		}
  5965  		v.reset(OpS390XRLLconst)
  5966  		v.AuxInt = c
  5967  		v.AddArg(x)
  5968  		return true
  5969  	}
  5970  	// match: (ADDW (SRWconst x [c]) (SLWconst x [32-c]))
  5971  	// cond:
  5972  	// result: (RLLconst [32-c] x)
  5973  	for {
  5974  		v_0 := v.Args[0]
  5975  		if v_0.Op != OpS390XSRWconst {
  5976  			break
  5977  		}
  5978  		c := v_0.AuxInt
  5979  		x := v_0.Args[0]
  5980  		v_1 := v.Args[1]
  5981  		if v_1.Op != OpS390XSLWconst {
  5982  			break
  5983  		}
  5984  		if v_1.AuxInt != 32-c {
  5985  			break
  5986  		}
  5987  		if x != v_1.Args[0] {
  5988  			break
  5989  		}
  5990  		v.reset(OpS390XRLLconst)
  5991  		v.AuxInt = 32 - c
  5992  		v.AddArg(x)
  5993  		return true
  5994  	}
  5995  	// match: (ADDW x (NEGW y))
  5996  	// cond:
  5997  	// result: (SUBW x y)
  5998  	for {
  5999  		x := v.Args[0]
  6000  		v_1 := v.Args[1]
  6001  		if v_1.Op != OpS390XNEGW {
  6002  			break
  6003  		}
  6004  		y := v_1.Args[0]
  6005  		v.reset(OpS390XSUBW)
  6006  		v.AddArg(x)
  6007  		v.AddArg(y)
  6008  		return true
  6009  	}
  6010  	// match: (ADDW <t> x g:(MOVWload [off] {sym} ptr mem))
  6011  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6012  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  6013  	for {
  6014  		t := v.Type
  6015  		x := v.Args[0]
  6016  		g := v.Args[1]
  6017  		if g.Op != OpS390XMOVWload {
  6018  			break
  6019  		}
  6020  		off := g.AuxInt
  6021  		sym := g.Aux
  6022  		ptr := g.Args[0]
  6023  		mem := g.Args[1]
  6024  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6025  			break
  6026  		}
  6027  		v.reset(OpS390XADDWload)
  6028  		v.Type = t
  6029  		v.AuxInt = off
  6030  		v.Aux = sym
  6031  		v.AddArg(x)
  6032  		v.AddArg(ptr)
  6033  		v.AddArg(mem)
  6034  		return true
  6035  	}
  6036  	// match: (ADDW <t> g:(MOVWload [off] {sym} ptr mem) x)
  6037  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6038  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  6039  	for {
  6040  		t := v.Type
  6041  		g := v.Args[0]
  6042  		if g.Op != OpS390XMOVWload {
  6043  			break
  6044  		}
  6045  		off := g.AuxInt
  6046  		sym := g.Aux
  6047  		ptr := g.Args[0]
  6048  		mem := g.Args[1]
  6049  		x := v.Args[1]
  6050  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6051  			break
  6052  		}
  6053  		v.reset(OpS390XADDWload)
  6054  		v.Type = t
  6055  		v.AuxInt = off
  6056  		v.Aux = sym
  6057  		v.AddArg(x)
  6058  		v.AddArg(ptr)
  6059  		v.AddArg(mem)
  6060  		return true
  6061  	}
  6062  	// match: (ADDW <t> x g:(MOVWZload [off] {sym} ptr mem))
  6063  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6064  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  6065  	for {
  6066  		t := v.Type
  6067  		x := v.Args[0]
  6068  		g := v.Args[1]
  6069  		if g.Op != OpS390XMOVWZload {
  6070  			break
  6071  		}
  6072  		off := g.AuxInt
  6073  		sym := g.Aux
  6074  		ptr := g.Args[0]
  6075  		mem := g.Args[1]
  6076  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6077  			break
  6078  		}
  6079  		v.reset(OpS390XADDWload)
  6080  		v.Type = t
  6081  		v.AuxInt = off
  6082  		v.Aux = sym
  6083  		v.AddArg(x)
  6084  		v.AddArg(ptr)
  6085  		v.AddArg(mem)
  6086  		return true
  6087  	}
  6088  	// match: (ADDW <t> g:(MOVWZload [off] {sym} ptr mem) x)
  6089  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6090  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  6091  	for {
  6092  		t := v.Type
  6093  		g := v.Args[0]
  6094  		if g.Op != OpS390XMOVWZload {
  6095  			break
  6096  		}
  6097  		off := g.AuxInt
  6098  		sym := g.Aux
  6099  		ptr := g.Args[0]
  6100  		mem := g.Args[1]
  6101  		x := v.Args[1]
  6102  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6103  			break
  6104  		}
  6105  		v.reset(OpS390XADDWload)
  6106  		v.Type = t
  6107  		v.AuxInt = off
  6108  		v.Aux = sym
  6109  		v.AddArg(x)
  6110  		v.AddArg(ptr)
  6111  		v.AddArg(mem)
  6112  		return true
  6113  	}
  6114  	return false
  6115  }
  6116  func rewriteValueS390X_OpS390XADDWconst(v *Value, config *Config) bool {
  6117  	b := v.Block
  6118  	_ = b
  6119  	// match: (ADDWconst [c] x)
  6120  	// cond: int32(c)==0
  6121  	// result: x
  6122  	for {
  6123  		c := v.AuxInt
  6124  		x := v.Args[0]
  6125  		if !(int32(c) == 0) {
  6126  			break
  6127  		}
  6128  		v.reset(OpCopy)
  6129  		v.Type = x.Type
  6130  		v.AddArg(x)
  6131  		return true
  6132  	}
  6133  	// match: (ADDWconst [c] (MOVDconst [d]))
  6134  	// cond:
  6135  	// result: (MOVDconst [int64(int32(c+d))])
  6136  	for {
  6137  		c := v.AuxInt
  6138  		v_0 := v.Args[0]
  6139  		if v_0.Op != OpS390XMOVDconst {
  6140  			break
  6141  		}
  6142  		d := v_0.AuxInt
  6143  		v.reset(OpS390XMOVDconst)
  6144  		v.AuxInt = int64(int32(c + d))
  6145  		return true
  6146  	}
  6147  	// match: (ADDWconst [c] (ADDWconst [d] x))
  6148  	// cond:
  6149  	// result: (ADDWconst [int64(int32(c+d))] x)
  6150  	for {
  6151  		c := v.AuxInt
  6152  		v_0 := v.Args[0]
  6153  		if v_0.Op != OpS390XADDWconst {
  6154  			break
  6155  		}
  6156  		d := v_0.AuxInt
  6157  		x := v_0.Args[0]
  6158  		v.reset(OpS390XADDWconst)
  6159  		v.AuxInt = int64(int32(c + d))
  6160  		v.AddArg(x)
  6161  		return true
  6162  	}
  6163  	return false
  6164  }
  6165  func rewriteValueS390X_OpS390XADDconst(v *Value, config *Config) bool {
  6166  	b := v.Block
  6167  	_ = b
  6168  	// match: (ADDconst [c] (MOVDaddr [d] {s} x:(SB)))
  6169  	// cond: ((c+d)&1 == 0) && is32Bit(c+d)
  6170  	// result: (MOVDaddr [c+d] {s} x)
  6171  	for {
  6172  		c := v.AuxInt
  6173  		v_0 := v.Args[0]
  6174  		if v_0.Op != OpS390XMOVDaddr {
  6175  			break
  6176  		}
  6177  		d := v_0.AuxInt
  6178  		s := v_0.Aux
  6179  		x := v_0.Args[0]
  6180  		if x.Op != OpSB {
  6181  			break
  6182  		}
  6183  		if !(((c+d)&1 == 0) && is32Bit(c+d)) {
  6184  			break
  6185  		}
  6186  		v.reset(OpS390XMOVDaddr)
  6187  		v.AuxInt = c + d
  6188  		v.Aux = s
  6189  		v.AddArg(x)
  6190  		return true
  6191  	}
  6192  	// match: (ADDconst [c] (MOVDaddr [d] {s} x))
  6193  	// cond: x.Op != OpSB && is20Bit(c+d)
  6194  	// result: (MOVDaddr [c+d] {s} x)
  6195  	for {
  6196  		c := v.AuxInt
  6197  		v_0 := v.Args[0]
  6198  		if v_0.Op != OpS390XMOVDaddr {
  6199  			break
  6200  		}
  6201  		d := v_0.AuxInt
  6202  		s := v_0.Aux
  6203  		x := v_0.Args[0]
  6204  		if !(x.Op != OpSB && is20Bit(c+d)) {
  6205  			break
  6206  		}
  6207  		v.reset(OpS390XMOVDaddr)
  6208  		v.AuxInt = c + d
  6209  		v.Aux = s
  6210  		v.AddArg(x)
  6211  		return true
  6212  	}
  6213  	// match: (ADDconst [c] (MOVDaddridx [d] {s} x y))
  6214  	// cond: is20Bit(c+d)
  6215  	// result: (MOVDaddridx [c+d] {s} x y)
  6216  	for {
  6217  		c := v.AuxInt
  6218  		v_0 := v.Args[0]
  6219  		if v_0.Op != OpS390XMOVDaddridx {
  6220  			break
  6221  		}
  6222  		d := v_0.AuxInt
  6223  		s := v_0.Aux
  6224  		x := v_0.Args[0]
  6225  		y := v_0.Args[1]
  6226  		if !(is20Bit(c + d)) {
  6227  			break
  6228  		}
  6229  		v.reset(OpS390XMOVDaddridx)
  6230  		v.AuxInt = c + d
  6231  		v.Aux = s
  6232  		v.AddArg(x)
  6233  		v.AddArg(y)
  6234  		return true
  6235  	}
  6236  	// match: (ADDconst [0] x)
  6237  	// cond:
  6238  	// result: x
  6239  	for {
  6240  		if v.AuxInt != 0 {
  6241  			break
  6242  		}
  6243  		x := v.Args[0]
  6244  		v.reset(OpCopy)
  6245  		v.Type = x.Type
  6246  		v.AddArg(x)
  6247  		return true
  6248  	}
  6249  	// match: (ADDconst [c] (MOVDconst [d]))
  6250  	// cond:
  6251  	// result: (MOVDconst [c+d])
  6252  	for {
  6253  		c := v.AuxInt
  6254  		v_0 := v.Args[0]
  6255  		if v_0.Op != OpS390XMOVDconst {
  6256  			break
  6257  		}
  6258  		d := v_0.AuxInt
  6259  		v.reset(OpS390XMOVDconst)
  6260  		v.AuxInt = c + d
  6261  		return true
  6262  	}
  6263  	// match: (ADDconst [c] (ADDconst [d] x))
  6264  	// cond: is32Bit(c+d)
  6265  	// result: (ADDconst [c+d] x)
  6266  	for {
  6267  		c := v.AuxInt
  6268  		v_0 := v.Args[0]
  6269  		if v_0.Op != OpS390XADDconst {
  6270  			break
  6271  		}
  6272  		d := v_0.AuxInt
  6273  		x := v_0.Args[0]
  6274  		if !(is32Bit(c + d)) {
  6275  			break
  6276  		}
  6277  		v.reset(OpS390XADDconst)
  6278  		v.AuxInt = c + d
  6279  		v.AddArg(x)
  6280  		return true
  6281  	}
  6282  	return false
  6283  }
  6284  func rewriteValueS390X_OpS390XAND(v *Value, config *Config) bool {
  6285  	b := v.Block
  6286  	_ = b
  6287  	// match: (AND x (MOVDconst [c]))
  6288  	// cond: is32Bit(c) && c < 0
  6289  	// result: (ANDconst [c] x)
  6290  	for {
  6291  		x := v.Args[0]
  6292  		v_1 := v.Args[1]
  6293  		if v_1.Op != OpS390XMOVDconst {
  6294  			break
  6295  		}
  6296  		c := v_1.AuxInt
  6297  		if !(is32Bit(c) && c < 0) {
  6298  			break
  6299  		}
  6300  		v.reset(OpS390XANDconst)
  6301  		v.AuxInt = c
  6302  		v.AddArg(x)
  6303  		return true
  6304  	}
  6305  	// match: (AND (MOVDconst [c]) x)
  6306  	// cond: is32Bit(c) && c < 0
  6307  	// result: (ANDconst [c] x)
  6308  	for {
  6309  		v_0 := v.Args[0]
  6310  		if v_0.Op != OpS390XMOVDconst {
  6311  			break
  6312  		}
  6313  		c := v_0.AuxInt
  6314  		x := v.Args[1]
  6315  		if !(is32Bit(c) && c < 0) {
  6316  			break
  6317  		}
  6318  		v.reset(OpS390XANDconst)
  6319  		v.AuxInt = c
  6320  		v.AddArg(x)
  6321  		return true
  6322  	}
  6323  	// match: (AND (MOVDconst [0xFF]) x)
  6324  	// cond:
  6325  	// result: (MOVBZreg x)
  6326  	for {
  6327  		v_0 := v.Args[0]
  6328  		if v_0.Op != OpS390XMOVDconst {
  6329  			break
  6330  		}
  6331  		if v_0.AuxInt != 0xFF {
  6332  			break
  6333  		}
  6334  		x := v.Args[1]
  6335  		v.reset(OpS390XMOVBZreg)
  6336  		v.AddArg(x)
  6337  		return true
  6338  	}
  6339  	// match: (AND x (MOVDconst [0xFF]))
  6340  	// cond:
  6341  	// result: (MOVBZreg x)
  6342  	for {
  6343  		x := v.Args[0]
  6344  		v_1 := v.Args[1]
  6345  		if v_1.Op != OpS390XMOVDconst {
  6346  			break
  6347  		}
  6348  		if v_1.AuxInt != 0xFF {
  6349  			break
  6350  		}
  6351  		v.reset(OpS390XMOVBZreg)
  6352  		v.AddArg(x)
  6353  		return true
  6354  	}
  6355  	// match: (AND (MOVDconst [0xFFFF]) x)
  6356  	// cond:
  6357  	// result: (MOVHZreg x)
  6358  	for {
  6359  		v_0 := v.Args[0]
  6360  		if v_0.Op != OpS390XMOVDconst {
  6361  			break
  6362  		}
  6363  		if v_0.AuxInt != 0xFFFF {
  6364  			break
  6365  		}
  6366  		x := v.Args[1]
  6367  		v.reset(OpS390XMOVHZreg)
  6368  		v.AddArg(x)
  6369  		return true
  6370  	}
  6371  	// match: (AND x (MOVDconst [0xFFFF]))
  6372  	// cond:
  6373  	// result: (MOVHZreg x)
  6374  	for {
  6375  		x := v.Args[0]
  6376  		v_1 := v.Args[1]
  6377  		if v_1.Op != OpS390XMOVDconst {
  6378  			break
  6379  		}
  6380  		if v_1.AuxInt != 0xFFFF {
  6381  			break
  6382  		}
  6383  		v.reset(OpS390XMOVHZreg)
  6384  		v.AddArg(x)
  6385  		return true
  6386  	}
  6387  	// match: (AND (MOVDconst [0xFFFFFFFF]) x)
  6388  	// cond:
  6389  	// result: (MOVWZreg x)
  6390  	for {
  6391  		v_0 := v.Args[0]
  6392  		if v_0.Op != OpS390XMOVDconst {
  6393  			break
  6394  		}
  6395  		if v_0.AuxInt != 0xFFFFFFFF {
  6396  			break
  6397  		}
  6398  		x := v.Args[1]
  6399  		v.reset(OpS390XMOVWZreg)
  6400  		v.AddArg(x)
  6401  		return true
  6402  	}
  6403  	// match: (AND x (MOVDconst [0xFFFFFFFF]))
  6404  	// cond:
  6405  	// result: (MOVWZreg x)
  6406  	for {
  6407  		x := v.Args[0]
  6408  		v_1 := v.Args[1]
  6409  		if v_1.Op != OpS390XMOVDconst {
  6410  			break
  6411  		}
  6412  		if v_1.AuxInt != 0xFFFFFFFF {
  6413  			break
  6414  		}
  6415  		v.reset(OpS390XMOVWZreg)
  6416  		v.AddArg(x)
  6417  		return true
  6418  	}
  6419  	// match: (AND (MOVDconst [c]) (MOVDconst [d]))
  6420  	// cond:
  6421  	// result: (MOVDconst [c&d])
  6422  	for {
  6423  		v_0 := v.Args[0]
  6424  		if v_0.Op != OpS390XMOVDconst {
  6425  			break
  6426  		}
  6427  		c := v_0.AuxInt
  6428  		v_1 := v.Args[1]
  6429  		if v_1.Op != OpS390XMOVDconst {
  6430  			break
  6431  		}
  6432  		d := v_1.AuxInt
  6433  		v.reset(OpS390XMOVDconst)
  6434  		v.AuxInt = c & d
  6435  		return true
  6436  	}
  6437  	// match: (AND x x)
  6438  	// cond:
  6439  	// result: x
  6440  	for {
  6441  		x := v.Args[0]
  6442  		if x != v.Args[1] {
  6443  			break
  6444  		}
  6445  		v.reset(OpCopy)
  6446  		v.Type = x.Type
  6447  		v.AddArg(x)
  6448  		return true
  6449  	}
  6450  	// match: (AND <t> x g:(MOVDload [off] {sym} ptr mem))
  6451  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6452  	// result: (ANDload <t> [off] {sym} x ptr mem)
  6453  	for {
  6454  		t := v.Type
  6455  		x := v.Args[0]
  6456  		g := v.Args[1]
  6457  		if g.Op != OpS390XMOVDload {
  6458  			break
  6459  		}
  6460  		off := g.AuxInt
  6461  		sym := g.Aux
  6462  		ptr := g.Args[0]
  6463  		mem := g.Args[1]
  6464  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6465  			break
  6466  		}
  6467  		v.reset(OpS390XANDload)
  6468  		v.Type = t
  6469  		v.AuxInt = off
  6470  		v.Aux = sym
  6471  		v.AddArg(x)
  6472  		v.AddArg(ptr)
  6473  		v.AddArg(mem)
  6474  		return true
  6475  	}
  6476  	// match: (AND <t> g:(MOVDload [off] {sym} ptr mem) x)
  6477  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6478  	// result: (ANDload <t> [off] {sym} x ptr mem)
  6479  	for {
  6480  		t := v.Type
  6481  		g := v.Args[0]
  6482  		if g.Op != OpS390XMOVDload {
  6483  			break
  6484  		}
  6485  		off := g.AuxInt
  6486  		sym := g.Aux
  6487  		ptr := g.Args[0]
  6488  		mem := g.Args[1]
  6489  		x := v.Args[1]
  6490  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6491  			break
  6492  		}
  6493  		v.reset(OpS390XANDload)
  6494  		v.Type = t
  6495  		v.AuxInt = off
  6496  		v.Aux = sym
  6497  		v.AddArg(x)
  6498  		v.AddArg(ptr)
  6499  		v.AddArg(mem)
  6500  		return true
  6501  	}
  6502  	return false
  6503  }
  6504  func rewriteValueS390X_OpS390XANDW(v *Value, config *Config) bool {
  6505  	b := v.Block
  6506  	_ = b
  6507  	// match: (ANDW x (MOVDconst [c]))
  6508  	// cond:
  6509  	// result: (ANDWconst [c] x)
  6510  	for {
  6511  		x := v.Args[0]
  6512  		v_1 := v.Args[1]
  6513  		if v_1.Op != OpS390XMOVDconst {
  6514  			break
  6515  		}
  6516  		c := v_1.AuxInt
  6517  		v.reset(OpS390XANDWconst)
  6518  		v.AuxInt = c
  6519  		v.AddArg(x)
  6520  		return true
  6521  	}
  6522  	// match: (ANDW (MOVDconst [c]) x)
  6523  	// cond:
  6524  	// result: (ANDWconst [c] x)
  6525  	for {
  6526  		v_0 := v.Args[0]
  6527  		if v_0.Op != OpS390XMOVDconst {
  6528  			break
  6529  		}
  6530  		c := v_0.AuxInt
  6531  		x := v.Args[1]
  6532  		v.reset(OpS390XANDWconst)
  6533  		v.AuxInt = c
  6534  		v.AddArg(x)
  6535  		return true
  6536  	}
  6537  	// match: (ANDW x x)
  6538  	// cond:
  6539  	// result: x
  6540  	for {
  6541  		x := v.Args[0]
  6542  		if x != v.Args[1] {
  6543  			break
  6544  		}
  6545  		v.reset(OpCopy)
  6546  		v.Type = x.Type
  6547  		v.AddArg(x)
  6548  		return true
  6549  	}
  6550  	// match: (ANDW <t> x g:(MOVWload [off] {sym} ptr mem))
  6551  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6552  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6553  	for {
  6554  		t := v.Type
  6555  		x := v.Args[0]
  6556  		g := v.Args[1]
  6557  		if g.Op != OpS390XMOVWload {
  6558  			break
  6559  		}
  6560  		off := g.AuxInt
  6561  		sym := g.Aux
  6562  		ptr := g.Args[0]
  6563  		mem := g.Args[1]
  6564  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6565  			break
  6566  		}
  6567  		v.reset(OpS390XANDWload)
  6568  		v.Type = t
  6569  		v.AuxInt = off
  6570  		v.Aux = sym
  6571  		v.AddArg(x)
  6572  		v.AddArg(ptr)
  6573  		v.AddArg(mem)
  6574  		return true
  6575  	}
  6576  	// match: (ANDW <t> g:(MOVWload [off] {sym} ptr mem) x)
  6577  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6578  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6579  	for {
  6580  		t := v.Type
  6581  		g := v.Args[0]
  6582  		if g.Op != OpS390XMOVWload {
  6583  			break
  6584  		}
  6585  		off := g.AuxInt
  6586  		sym := g.Aux
  6587  		ptr := g.Args[0]
  6588  		mem := g.Args[1]
  6589  		x := v.Args[1]
  6590  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6591  			break
  6592  		}
  6593  		v.reset(OpS390XANDWload)
  6594  		v.Type = t
  6595  		v.AuxInt = off
  6596  		v.Aux = sym
  6597  		v.AddArg(x)
  6598  		v.AddArg(ptr)
  6599  		v.AddArg(mem)
  6600  		return true
  6601  	}
  6602  	// match: (ANDW <t> x g:(MOVWZload [off] {sym} ptr mem))
  6603  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6604  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6605  	for {
  6606  		t := v.Type
  6607  		x := v.Args[0]
  6608  		g := v.Args[1]
  6609  		if g.Op != OpS390XMOVWZload {
  6610  			break
  6611  		}
  6612  		off := g.AuxInt
  6613  		sym := g.Aux
  6614  		ptr := g.Args[0]
  6615  		mem := g.Args[1]
  6616  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6617  			break
  6618  		}
  6619  		v.reset(OpS390XANDWload)
  6620  		v.Type = t
  6621  		v.AuxInt = off
  6622  		v.Aux = sym
  6623  		v.AddArg(x)
  6624  		v.AddArg(ptr)
  6625  		v.AddArg(mem)
  6626  		return true
  6627  	}
  6628  	// match: (ANDW <t> g:(MOVWZload [off] {sym} ptr mem) x)
  6629  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6630  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6631  	for {
  6632  		t := v.Type
  6633  		g := v.Args[0]
  6634  		if g.Op != OpS390XMOVWZload {
  6635  			break
  6636  		}
  6637  		off := g.AuxInt
  6638  		sym := g.Aux
  6639  		ptr := g.Args[0]
  6640  		mem := g.Args[1]
  6641  		x := v.Args[1]
  6642  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6643  			break
  6644  		}
  6645  		v.reset(OpS390XANDWload)
  6646  		v.Type = t
  6647  		v.AuxInt = off
  6648  		v.Aux = sym
  6649  		v.AddArg(x)
  6650  		v.AddArg(ptr)
  6651  		v.AddArg(mem)
  6652  		return true
  6653  	}
  6654  	return false
  6655  }
  6656  func rewriteValueS390X_OpS390XANDWconst(v *Value, config *Config) bool {
  6657  	b := v.Block
  6658  	_ = b
  6659  	// match: (ANDWconst [c] (ANDWconst [d] x))
  6660  	// cond:
  6661  	// result: (ANDWconst [c & d] x)
  6662  	for {
  6663  		c := v.AuxInt
  6664  		v_0 := v.Args[0]
  6665  		if v_0.Op != OpS390XANDWconst {
  6666  			break
  6667  		}
  6668  		d := v_0.AuxInt
  6669  		x := v_0.Args[0]
  6670  		v.reset(OpS390XANDWconst)
  6671  		v.AuxInt = c & d
  6672  		v.AddArg(x)
  6673  		return true
  6674  	}
  6675  	// match: (ANDWconst [0xFF] x)
  6676  	// cond:
  6677  	// result: (MOVBZreg x)
  6678  	for {
  6679  		if v.AuxInt != 0xFF {
  6680  			break
  6681  		}
  6682  		x := v.Args[0]
  6683  		v.reset(OpS390XMOVBZreg)
  6684  		v.AddArg(x)
  6685  		return true
  6686  	}
  6687  	// match: (ANDWconst [0xFFFF] x)
  6688  	// cond:
  6689  	// result: (MOVHZreg x)
  6690  	for {
  6691  		if v.AuxInt != 0xFFFF {
  6692  			break
  6693  		}
  6694  		x := v.Args[0]
  6695  		v.reset(OpS390XMOVHZreg)
  6696  		v.AddArg(x)
  6697  		return true
  6698  	}
  6699  	// match: (ANDWconst [c] _)
  6700  	// cond: int32(c)==0
  6701  	// result: (MOVDconst [0])
  6702  	for {
  6703  		c := v.AuxInt
  6704  		if !(int32(c) == 0) {
  6705  			break
  6706  		}
  6707  		v.reset(OpS390XMOVDconst)
  6708  		v.AuxInt = 0
  6709  		return true
  6710  	}
  6711  	// match: (ANDWconst [c] x)
  6712  	// cond: int32(c)==-1
  6713  	// result: x
  6714  	for {
  6715  		c := v.AuxInt
  6716  		x := v.Args[0]
  6717  		if !(int32(c) == -1) {
  6718  			break
  6719  		}
  6720  		v.reset(OpCopy)
  6721  		v.Type = x.Type
  6722  		v.AddArg(x)
  6723  		return true
  6724  	}
  6725  	// match: (ANDWconst [c] (MOVDconst [d]))
  6726  	// cond:
  6727  	// result: (MOVDconst [c&d])
  6728  	for {
  6729  		c := v.AuxInt
  6730  		v_0 := v.Args[0]
  6731  		if v_0.Op != OpS390XMOVDconst {
  6732  			break
  6733  		}
  6734  		d := v_0.AuxInt
  6735  		v.reset(OpS390XMOVDconst)
  6736  		v.AuxInt = c & d
  6737  		return true
  6738  	}
  6739  	return false
  6740  }
  6741  func rewriteValueS390X_OpS390XANDconst(v *Value, config *Config) bool {
  6742  	b := v.Block
  6743  	_ = b
  6744  	// match: (ANDconst [c] (ANDconst [d] x))
  6745  	// cond:
  6746  	// result: (ANDconst [c & d] x)
  6747  	for {
  6748  		c := v.AuxInt
  6749  		v_0 := v.Args[0]
  6750  		if v_0.Op != OpS390XANDconst {
  6751  			break
  6752  		}
  6753  		d := v_0.AuxInt
  6754  		x := v_0.Args[0]
  6755  		v.reset(OpS390XANDconst)
  6756  		v.AuxInt = c & d
  6757  		v.AddArg(x)
  6758  		return true
  6759  	}
  6760  	// match: (ANDconst [0] _)
  6761  	// cond:
  6762  	// result: (MOVDconst [0])
  6763  	for {
  6764  		if v.AuxInt != 0 {
  6765  			break
  6766  		}
  6767  		v.reset(OpS390XMOVDconst)
  6768  		v.AuxInt = 0
  6769  		return true
  6770  	}
  6771  	// match: (ANDconst [-1] x)
  6772  	// cond:
  6773  	// result: x
  6774  	for {
  6775  		if v.AuxInt != -1 {
  6776  			break
  6777  		}
  6778  		x := v.Args[0]
  6779  		v.reset(OpCopy)
  6780  		v.Type = x.Type
  6781  		v.AddArg(x)
  6782  		return true
  6783  	}
  6784  	// match: (ANDconst [c] (MOVDconst [d]))
  6785  	// cond:
  6786  	// result: (MOVDconst [c&d])
  6787  	for {
  6788  		c := v.AuxInt
  6789  		v_0 := v.Args[0]
  6790  		if v_0.Op != OpS390XMOVDconst {
  6791  			break
  6792  		}
  6793  		d := v_0.AuxInt
  6794  		v.reset(OpS390XMOVDconst)
  6795  		v.AuxInt = c & d
  6796  		return true
  6797  	}
  6798  	return false
  6799  }
  6800  func rewriteValueS390X_OpS390XCMP(v *Value, config *Config) bool {
  6801  	b := v.Block
  6802  	_ = b
  6803  	// match: (CMP x (MOVDconst [c]))
  6804  	// cond: is32Bit(c)
  6805  	// result: (CMPconst x [c])
  6806  	for {
  6807  		x := v.Args[0]
  6808  		v_1 := v.Args[1]
  6809  		if v_1.Op != OpS390XMOVDconst {
  6810  			break
  6811  		}
  6812  		c := v_1.AuxInt
  6813  		if !(is32Bit(c)) {
  6814  			break
  6815  		}
  6816  		v.reset(OpS390XCMPconst)
  6817  		v.AuxInt = c
  6818  		v.AddArg(x)
  6819  		return true
  6820  	}
  6821  	// match: (CMP (MOVDconst [c]) x)
  6822  	// cond: is32Bit(c)
  6823  	// result: (InvertFlags (CMPconst x [c]))
  6824  	for {
  6825  		v_0 := v.Args[0]
  6826  		if v_0.Op != OpS390XMOVDconst {
  6827  			break
  6828  		}
  6829  		c := v_0.AuxInt
  6830  		x := v.Args[1]
  6831  		if !(is32Bit(c)) {
  6832  			break
  6833  		}
  6834  		v.reset(OpS390XInvertFlags)
  6835  		v0 := b.NewValue0(v.Pos, OpS390XCMPconst, TypeFlags)
  6836  		v0.AuxInt = c
  6837  		v0.AddArg(x)
  6838  		v.AddArg(v0)
  6839  		return true
  6840  	}
  6841  	return false
  6842  }
  6843  func rewriteValueS390X_OpS390XCMPU(v *Value, config *Config) bool {
  6844  	b := v.Block
  6845  	_ = b
  6846  	// match: (CMPU x (MOVDconst [c]))
  6847  	// cond: is32Bit(c)
  6848  	// result: (CMPUconst x [int64(uint32(c))])
  6849  	for {
  6850  		x := v.Args[0]
  6851  		v_1 := v.Args[1]
  6852  		if v_1.Op != OpS390XMOVDconst {
  6853  			break
  6854  		}
  6855  		c := v_1.AuxInt
  6856  		if !(is32Bit(c)) {
  6857  			break
  6858  		}
  6859  		v.reset(OpS390XCMPUconst)
  6860  		v.AuxInt = int64(uint32(c))
  6861  		v.AddArg(x)
  6862  		return true
  6863  	}
  6864  	// match: (CMPU (MOVDconst [c]) x)
  6865  	// cond: is32Bit(c)
  6866  	// result: (InvertFlags (CMPUconst x [int64(uint32(c))]))
  6867  	for {
  6868  		v_0 := v.Args[0]
  6869  		if v_0.Op != OpS390XMOVDconst {
  6870  			break
  6871  		}
  6872  		c := v_0.AuxInt
  6873  		x := v.Args[1]
  6874  		if !(is32Bit(c)) {
  6875  			break
  6876  		}
  6877  		v.reset(OpS390XInvertFlags)
  6878  		v0 := b.NewValue0(v.Pos, OpS390XCMPUconst, TypeFlags)
  6879  		v0.AuxInt = int64(uint32(c))
  6880  		v0.AddArg(x)
  6881  		v.AddArg(v0)
  6882  		return true
  6883  	}
  6884  	return false
  6885  }
  6886  func rewriteValueS390X_OpS390XCMPUconst(v *Value, config *Config) bool {
  6887  	b := v.Block
  6888  	_ = b
  6889  	// match: (CMPUconst (MOVDconst [x]) [y])
  6890  	// cond: uint64(x)==uint64(y)
  6891  	// result: (FlagEQ)
  6892  	for {
  6893  		y := v.AuxInt
  6894  		v_0 := v.Args[0]
  6895  		if v_0.Op != OpS390XMOVDconst {
  6896  			break
  6897  		}
  6898  		x := v_0.AuxInt
  6899  		if !(uint64(x) == uint64(y)) {
  6900  			break
  6901  		}
  6902  		v.reset(OpS390XFlagEQ)
  6903  		return true
  6904  	}
  6905  	// match: (CMPUconst (MOVDconst [x]) [y])
  6906  	// cond: uint64(x)<uint64(y)
  6907  	// result: (FlagLT)
  6908  	for {
  6909  		y := v.AuxInt
  6910  		v_0 := v.Args[0]
  6911  		if v_0.Op != OpS390XMOVDconst {
  6912  			break
  6913  		}
  6914  		x := v_0.AuxInt
  6915  		if !(uint64(x) < uint64(y)) {
  6916  			break
  6917  		}
  6918  		v.reset(OpS390XFlagLT)
  6919  		return true
  6920  	}
  6921  	// match: (CMPUconst (MOVDconst [x]) [y])
  6922  	// cond: uint64(x)>uint64(y)
  6923  	// result: (FlagGT)
  6924  	for {
  6925  		y := v.AuxInt
  6926  		v_0 := v.Args[0]
  6927  		if v_0.Op != OpS390XMOVDconst {
  6928  			break
  6929  		}
  6930  		x := v_0.AuxInt
  6931  		if !(uint64(x) > uint64(y)) {
  6932  			break
  6933  		}
  6934  		v.reset(OpS390XFlagGT)
  6935  		return true
  6936  	}
  6937  	return false
  6938  }
  6939  func rewriteValueS390X_OpS390XCMPW(v *Value, config *Config) bool {
  6940  	b := v.Block
  6941  	_ = b
  6942  	// match: (CMPW x (MOVDconst [c]))
  6943  	// cond:
  6944  	// result: (CMPWconst x [c])
  6945  	for {
  6946  		x := v.Args[0]
  6947  		v_1 := v.Args[1]
  6948  		if v_1.Op != OpS390XMOVDconst {
  6949  			break
  6950  		}
  6951  		c := v_1.AuxInt
  6952  		v.reset(OpS390XCMPWconst)
  6953  		v.AuxInt = c
  6954  		v.AddArg(x)
  6955  		return true
  6956  	}
  6957  	// match: (CMPW (MOVDconst [c]) x)
  6958  	// cond:
  6959  	// result: (InvertFlags (CMPWconst x [c]))
  6960  	for {
  6961  		v_0 := v.Args[0]
  6962  		if v_0.Op != OpS390XMOVDconst {
  6963  			break
  6964  		}
  6965  		c := v_0.AuxInt
  6966  		x := v.Args[1]
  6967  		v.reset(OpS390XInvertFlags)
  6968  		v0 := b.NewValue0(v.Pos, OpS390XCMPWconst, TypeFlags)
  6969  		v0.AuxInt = c
  6970  		v0.AddArg(x)
  6971  		v.AddArg(v0)
  6972  		return true
  6973  	}
  6974  	return false
  6975  }
  6976  func rewriteValueS390X_OpS390XCMPWU(v *Value, config *Config) bool {
  6977  	b := v.Block
  6978  	_ = b
  6979  	// match: (CMPWU x (MOVDconst [c]))
  6980  	// cond:
  6981  	// result: (CMPWUconst x [int64(uint32(c))])
  6982  	for {
  6983  		x := v.Args[0]
  6984  		v_1 := v.Args[1]
  6985  		if v_1.Op != OpS390XMOVDconst {
  6986  			break
  6987  		}
  6988  		c := v_1.AuxInt
  6989  		v.reset(OpS390XCMPWUconst)
  6990  		v.AuxInt = int64(uint32(c))
  6991  		v.AddArg(x)
  6992  		return true
  6993  	}
  6994  	// match: (CMPWU (MOVDconst [c]) x)
  6995  	// cond:
  6996  	// result: (InvertFlags (CMPWUconst x [int64(uint32(c))]))
  6997  	for {
  6998  		v_0 := v.Args[0]
  6999  		if v_0.Op != OpS390XMOVDconst {
  7000  			break
  7001  		}
  7002  		c := v_0.AuxInt
  7003  		x := v.Args[1]
  7004  		v.reset(OpS390XInvertFlags)
  7005  		v0 := b.NewValue0(v.Pos, OpS390XCMPWUconst, TypeFlags)
  7006  		v0.AuxInt = int64(uint32(c))
  7007  		v0.AddArg(x)
  7008  		v.AddArg(v0)
  7009  		return true
  7010  	}
  7011  	return false
  7012  }
  7013  func rewriteValueS390X_OpS390XCMPWUconst(v *Value, config *Config) bool {
  7014  	b := v.Block
  7015  	_ = b
  7016  	// match: (CMPWUconst (MOVDconst [x]) [y])
  7017  	// cond: uint32(x)==uint32(y)
  7018  	// result: (FlagEQ)
  7019  	for {
  7020  		y := v.AuxInt
  7021  		v_0 := v.Args[0]
  7022  		if v_0.Op != OpS390XMOVDconst {
  7023  			break
  7024  		}
  7025  		x := v_0.AuxInt
  7026  		if !(uint32(x) == uint32(y)) {
  7027  			break
  7028  		}
  7029  		v.reset(OpS390XFlagEQ)
  7030  		return true
  7031  	}
  7032  	// match: (CMPWUconst (MOVDconst [x]) [y])
  7033  	// cond: uint32(x)<uint32(y)
  7034  	// result: (FlagLT)
  7035  	for {
  7036  		y := v.AuxInt
  7037  		v_0 := v.Args[0]
  7038  		if v_0.Op != OpS390XMOVDconst {
  7039  			break
  7040  		}
  7041  		x := v_0.AuxInt
  7042  		if !(uint32(x) < uint32(y)) {
  7043  			break
  7044  		}
  7045  		v.reset(OpS390XFlagLT)
  7046  		return true
  7047  	}
  7048  	// match: (CMPWUconst (MOVDconst [x]) [y])
  7049  	// cond: uint32(x)>uint32(y)
  7050  	// result: (FlagGT)
  7051  	for {
  7052  		y := v.AuxInt
  7053  		v_0 := v.Args[0]
  7054  		if v_0.Op != OpS390XMOVDconst {
  7055  			break
  7056  		}
  7057  		x := v_0.AuxInt
  7058  		if !(uint32(x) > uint32(y)) {
  7059  			break
  7060  		}
  7061  		v.reset(OpS390XFlagGT)
  7062  		return true
  7063  	}
  7064  	return false
  7065  }
  7066  func rewriteValueS390X_OpS390XCMPWconst(v *Value, config *Config) bool {
  7067  	b := v.Block
  7068  	_ = b
  7069  	// match: (CMPWconst (MOVDconst [x]) [y])
  7070  	// cond: int32(x)==int32(y)
  7071  	// result: (FlagEQ)
  7072  	for {
  7073  		y := v.AuxInt
  7074  		v_0 := v.Args[0]
  7075  		if v_0.Op != OpS390XMOVDconst {
  7076  			break
  7077  		}
  7078  		x := v_0.AuxInt
  7079  		if !(int32(x) == int32(y)) {
  7080  			break
  7081  		}
  7082  		v.reset(OpS390XFlagEQ)
  7083  		return true
  7084  	}
  7085  	// match: (CMPWconst (MOVDconst [x]) [y])
  7086  	// cond: int32(x)<int32(y)
  7087  	// result: (FlagLT)
  7088  	for {
  7089  		y := v.AuxInt
  7090  		v_0 := v.Args[0]
  7091  		if v_0.Op != OpS390XMOVDconst {
  7092  			break
  7093  		}
  7094  		x := v_0.AuxInt
  7095  		if !(int32(x) < int32(y)) {
  7096  			break
  7097  		}
  7098  		v.reset(OpS390XFlagLT)
  7099  		return true
  7100  	}
  7101  	// match: (CMPWconst (MOVDconst [x]) [y])
  7102  	// cond: int32(x)>int32(y)
  7103  	// result: (FlagGT)
  7104  	for {
  7105  		y := v.AuxInt
  7106  		v_0 := v.Args[0]
  7107  		if v_0.Op != OpS390XMOVDconst {
  7108  			break
  7109  		}
  7110  		x := v_0.AuxInt
  7111  		if !(int32(x) > int32(y)) {
  7112  			break
  7113  		}
  7114  		v.reset(OpS390XFlagGT)
  7115  		return true
  7116  	}
  7117  	// match: (CMPWconst (SRWconst _ [c]) [n])
  7118  	// cond: 0 <= n && 0 < c && c <= 32 && (1<<uint64(32-c)) <= uint64(n)
  7119  	// result: (FlagLT)
  7120  	for {
  7121  		n := v.AuxInt
  7122  		v_0 := v.Args[0]
  7123  		if v_0.Op != OpS390XSRWconst {
  7124  			break
  7125  		}
  7126  		c := v_0.AuxInt
  7127  		if !(0 <= n && 0 < c && c <= 32 && (1<<uint64(32-c)) <= uint64(n)) {
  7128  			break
  7129  		}
  7130  		v.reset(OpS390XFlagLT)
  7131  		return true
  7132  	}
  7133  	// match: (CMPWconst (ANDWconst _ [m]) [n])
  7134  	// cond: 0 <= int32(m) && int32(m) < int32(n)
  7135  	// result: (FlagLT)
  7136  	for {
  7137  		n := v.AuxInt
  7138  		v_0 := v.Args[0]
  7139  		if v_0.Op != OpS390XANDWconst {
  7140  			break
  7141  		}
  7142  		m := v_0.AuxInt
  7143  		if !(0 <= int32(m) && int32(m) < int32(n)) {
  7144  			break
  7145  		}
  7146  		v.reset(OpS390XFlagLT)
  7147  		return true
  7148  	}
  7149  	return false
  7150  }
  7151  func rewriteValueS390X_OpS390XCMPconst(v *Value, config *Config) bool {
  7152  	b := v.Block
  7153  	_ = b
  7154  	// match: (CMPconst (MOVDconst [x]) [y])
  7155  	// cond: x==y
  7156  	// result: (FlagEQ)
  7157  	for {
  7158  		y := v.AuxInt
  7159  		v_0 := v.Args[0]
  7160  		if v_0.Op != OpS390XMOVDconst {
  7161  			break
  7162  		}
  7163  		x := v_0.AuxInt
  7164  		if !(x == y) {
  7165  			break
  7166  		}
  7167  		v.reset(OpS390XFlagEQ)
  7168  		return true
  7169  	}
  7170  	// match: (CMPconst (MOVDconst [x]) [y])
  7171  	// cond: x<y
  7172  	// result: (FlagLT)
  7173  	for {
  7174  		y := v.AuxInt
  7175  		v_0 := v.Args[0]
  7176  		if v_0.Op != OpS390XMOVDconst {
  7177  			break
  7178  		}
  7179  		x := v_0.AuxInt
  7180  		if !(x < y) {
  7181  			break
  7182  		}
  7183  		v.reset(OpS390XFlagLT)
  7184  		return true
  7185  	}
  7186  	// match: (CMPconst (MOVDconst [x]) [y])
  7187  	// cond: x>y
  7188  	// result: (FlagGT)
  7189  	for {
  7190  		y := v.AuxInt
  7191  		v_0 := v.Args[0]
  7192  		if v_0.Op != OpS390XMOVDconst {
  7193  			break
  7194  		}
  7195  		x := v_0.AuxInt
  7196  		if !(x > y) {
  7197  			break
  7198  		}
  7199  		v.reset(OpS390XFlagGT)
  7200  		return true
  7201  	}
  7202  	// match: (CMPconst (MOVBZreg _) [c])
  7203  	// cond: 0xFF < c
  7204  	// result: (FlagLT)
  7205  	for {
  7206  		c := v.AuxInt
  7207  		v_0 := v.Args[0]
  7208  		if v_0.Op != OpS390XMOVBZreg {
  7209  			break
  7210  		}
  7211  		if !(0xFF < c) {
  7212  			break
  7213  		}
  7214  		v.reset(OpS390XFlagLT)
  7215  		return true
  7216  	}
  7217  	// match: (CMPconst (MOVHZreg _) [c])
  7218  	// cond: 0xFFFF < c
  7219  	// result: (FlagLT)
  7220  	for {
  7221  		c := v.AuxInt
  7222  		v_0 := v.Args[0]
  7223  		if v_0.Op != OpS390XMOVHZreg {
  7224  			break
  7225  		}
  7226  		if !(0xFFFF < c) {
  7227  			break
  7228  		}
  7229  		v.reset(OpS390XFlagLT)
  7230  		return true
  7231  	}
  7232  	// match: (CMPconst (MOVWZreg _) [c])
  7233  	// cond: 0xFFFFFFFF < c
  7234  	// result: (FlagLT)
  7235  	for {
  7236  		c := v.AuxInt
  7237  		v_0 := v.Args[0]
  7238  		if v_0.Op != OpS390XMOVWZreg {
  7239  			break
  7240  		}
  7241  		if !(0xFFFFFFFF < c) {
  7242  			break
  7243  		}
  7244  		v.reset(OpS390XFlagLT)
  7245  		return true
  7246  	}
  7247  	// match: (CMPconst (SRDconst _ [c]) [n])
  7248  	// cond: 0 <= n && 0 < c && c <= 64 && (1<<uint64(64-c)) <= uint64(n)
  7249  	// result: (FlagLT)
  7250  	for {
  7251  		n := v.AuxInt
  7252  		v_0 := v.Args[0]
  7253  		if v_0.Op != OpS390XSRDconst {
  7254  			break
  7255  		}
  7256  		c := v_0.AuxInt
  7257  		if !(0 <= n && 0 < c && c <= 64 && (1<<uint64(64-c)) <= uint64(n)) {
  7258  			break
  7259  		}
  7260  		v.reset(OpS390XFlagLT)
  7261  		return true
  7262  	}
  7263  	// match: (CMPconst (ANDconst _ [m]) [n])
  7264  	// cond: 0 <= m && m < n
  7265  	// result: (FlagLT)
  7266  	for {
  7267  		n := v.AuxInt
  7268  		v_0 := v.Args[0]
  7269  		if v_0.Op != OpS390XANDconst {
  7270  			break
  7271  		}
  7272  		m := v_0.AuxInt
  7273  		if !(0 <= m && m < n) {
  7274  			break
  7275  		}
  7276  		v.reset(OpS390XFlagLT)
  7277  		return true
  7278  	}
  7279  	return false
  7280  }
  7281  func rewriteValueS390X_OpS390XFMOVDload(v *Value, config *Config) bool {
  7282  	b := v.Block
  7283  	_ = b
  7284  	// match: (FMOVDload  [off1] {sym} (ADDconst [off2] ptr) mem)
  7285  	// cond: is20Bit(off1+off2)
  7286  	// result: (FMOVDload [off1+off2] {sym} ptr mem)
  7287  	for {
  7288  		off1 := v.AuxInt
  7289  		sym := v.Aux
  7290  		v_0 := v.Args[0]
  7291  		if v_0.Op != OpS390XADDconst {
  7292  			break
  7293  		}
  7294  		off2 := v_0.AuxInt
  7295  		ptr := v_0.Args[0]
  7296  		mem := v.Args[1]
  7297  		if !(is20Bit(off1 + off2)) {
  7298  			break
  7299  		}
  7300  		v.reset(OpS390XFMOVDload)
  7301  		v.AuxInt = off1 + off2
  7302  		v.Aux = sym
  7303  		v.AddArg(ptr)
  7304  		v.AddArg(mem)
  7305  		return true
  7306  	}
  7307  	// match: (FMOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  7308  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7309  	// result: (FMOVDload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  7310  	for {
  7311  		off1 := v.AuxInt
  7312  		sym1 := v.Aux
  7313  		v_0 := v.Args[0]
  7314  		if v_0.Op != OpS390XMOVDaddr {
  7315  			break
  7316  		}
  7317  		off2 := v_0.AuxInt
  7318  		sym2 := v_0.Aux
  7319  		base := v_0.Args[0]
  7320  		mem := v.Args[1]
  7321  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7322  			break
  7323  		}
  7324  		v.reset(OpS390XFMOVDload)
  7325  		v.AuxInt = off1 + off2
  7326  		v.Aux = mergeSym(sym1, sym2)
  7327  		v.AddArg(base)
  7328  		v.AddArg(mem)
  7329  		return true
  7330  	}
  7331  	// match: (FMOVDload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
  7332  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7333  	// result: (FMOVDloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
  7334  	for {
  7335  		off1 := v.AuxInt
  7336  		sym1 := v.Aux
  7337  		v_0 := v.Args[0]
  7338  		if v_0.Op != OpS390XMOVDaddridx {
  7339  			break
  7340  		}
  7341  		off2 := v_0.AuxInt
  7342  		sym2 := v_0.Aux
  7343  		ptr := v_0.Args[0]
  7344  		idx := v_0.Args[1]
  7345  		mem := v.Args[1]
  7346  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7347  			break
  7348  		}
  7349  		v.reset(OpS390XFMOVDloadidx)
  7350  		v.AuxInt = off1 + off2
  7351  		v.Aux = mergeSym(sym1, sym2)
  7352  		v.AddArg(ptr)
  7353  		v.AddArg(idx)
  7354  		v.AddArg(mem)
  7355  		return true
  7356  	}
  7357  	// match: (FMOVDload [off] {sym} (ADD ptr idx) mem)
  7358  	// cond: ptr.Op != OpSB
  7359  	// result: (FMOVDloadidx [off] {sym} ptr idx mem)
  7360  	for {
  7361  		off := v.AuxInt
  7362  		sym := v.Aux
  7363  		v_0 := v.Args[0]
  7364  		if v_0.Op != OpS390XADD {
  7365  			break
  7366  		}
  7367  		ptr := v_0.Args[0]
  7368  		idx := v_0.Args[1]
  7369  		mem := v.Args[1]
  7370  		if !(ptr.Op != OpSB) {
  7371  			break
  7372  		}
  7373  		v.reset(OpS390XFMOVDloadidx)
  7374  		v.AuxInt = off
  7375  		v.Aux = sym
  7376  		v.AddArg(ptr)
  7377  		v.AddArg(idx)
  7378  		v.AddArg(mem)
  7379  		return true
  7380  	}
  7381  	return false
  7382  }
  7383  func rewriteValueS390X_OpS390XFMOVDloadidx(v *Value, config *Config) bool {
  7384  	b := v.Block
  7385  	_ = b
  7386  	// match: (FMOVDloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
  7387  	// cond:
  7388  	// result: (FMOVDloadidx [c+d] {sym} ptr idx mem)
  7389  	for {
  7390  		c := v.AuxInt
  7391  		sym := v.Aux
  7392  		v_0 := v.Args[0]
  7393  		if v_0.Op != OpS390XADDconst {
  7394  			break
  7395  		}
  7396  		d := v_0.AuxInt
  7397  		ptr := v_0.Args[0]
  7398  		idx := v.Args[1]
  7399  		mem := v.Args[2]
  7400  		v.reset(OpS390XFMOVDloadidx)
  7401  		v.AuxInt = c + d
  7402  		v.Aux = sym
  7403  		v.AddArg(ptr)
  7404  		v.AddArg(idx)
  7405  		v.AddArg(mem)
  7406  		return true
  7407  	}
  7408  	// match: (FMOVDloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
  7409  	// cond:
  7410  	// result: (FMOVDloadidx [c+d] {sym} ptr idx mem)
  7411  	for {
  7412  		c := v.AuxInt
  7413  		sym := v.Aux
  7414  		ptr := v.Args[0]
  7415  		v_1 := v.Args[1]
  7416  		if v_1.Op != OpS390XADDconst {
  7417  			break
  7418  		}
  7419  		d := v_1.AuxInt
  7420  		idx := v_1.Args[0]
  7421  		mem := v.Args[2]
  7422  		v.reset(OpS390XFMOVDloadidx)
  7423  		v.AuxInt = c + d
  7424  		v.Aux = sym
  7425  		v.AddArg(ptr)
  7426  		v.AddArg(idx)
  7427  		v.AddArg(mem)
  7428  		return true
  7429  	}
  7430  	return false
  7431  }
  7432  func rewriteValueS390X_OpS390XFMOVDstore(v *Value, config *Config) bool {
  7433  	b := v.Block
  7434  	_ = b
  7435  	// match: (FMOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  7436  	// cond: is20Bit(off1+off2)
  7437  	// result: (FMOVDstore [off1+off2] {sym} ptr val mem)
  7438  	for {
  7439  		off1 := v.AuxInt
  7440  		sym := v.Aux
  7441  		v_0 := v.Args[0]
  7442  		if v_0.Op != OpS390XADDconst {
  7443  			break
  7444  		}
  7445  		off2 := v_0.AuxInt
  7446  		ptr := v_0.Args[0]
  7447  		val := v.Args[1]
  7448  		mem := v.Args[2]
  7449  		if !(is20Bit(off1 + off2)) {
  7450  			break
  7451  		}
  7452  		v.reset(OpS390XFMOVDstore)
  7453  		v.AuxInt = off1 + off2
  7454  		v.Aux = sym
  7455  		v.AddArg(ptr)
  7456  		v.AddArg(val)
  7457  		v.AddArg(mem)
  7458  		return true
  7459  	}
  7460  	// match: (FMOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
  7461  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7462  	// result: (FMOVDstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  7463  	for {
  7464  		off1 := v.AuxInt
  7465  		sym1 := v.Aux
  7466  		v_0 := v.Args[0]
  7467  		if v_0.Op != OpS390XMOVDaddr {
  7468  			break
  7469  		}
  7470  		off2 := v_0.AuxInt
  7471  		sym2 := v_0.Aux
  7472  		base := v_0.Args[0]
  7473  		val := v.Args[1]
  7474  		mem := v.Args[2]
  7475  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7476  			break
  7477  		}
  7478  		v.reset(OpS390XFMOVDstore)
  7479  		v.AuxInt = off1 + off2
  7480  		v.Aux = mergeSym(sym1, sym2)
  7481  		v.AddArg(base)
  7482  		v.AddArg(val)
  7483  		v.AddArg(mem)
  7484  		return true
  7485  	}
  7486  	// match: (FMOVDstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
  7487  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7488  	// result: (FMOVDstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
  7489  	for {
  7490  		off1 := v.AuxInt
  7491  		sym1 := v.Aux
  7492  		v_0 := v.Args[0]
  7493  		if v_0.Op != OpS390XMOVDaddridx {
  7494  			break
  7495  		}
  7496  		off2 := v_0.AuxInt
  7497  		sym2 := v_0.Aux
  7498  		ptr := v_0.Args[0]
  7499  		idx := v_0.Args[1]
  7500  		val := v.Args[1]
  7501  		mem := v.Args[2]
  7502  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7503  			break
  7504  		}
  7505  		v.reset(OpS390XFMOVDstoreidx)
  7506  		v.AuxInt = off1 + off2
  7507  		v.Aux = mergeSym(sym1, sym2)
  7508  		v.AddArg(ptr)
  7509  		v.AddArg(idx)
  7510  		v.AddArg(val)
  7511  		v.AddArg(mem)
  7512  		return true
  7513  	}
  7514  	// match: (FMOVDstore [off] {sym} (ADD ptr idx) val mem)
  7515  	// cond: ptr.Op != OpSB
  7516  	// result: (FMOVDstoreidx [off] {sym} ptr idx val mem)
  7517  	for {
  7518  		off := v.AuxInt
  7519  		sym := v.Aux
  7520  		v_0 := v.Args[0]
  7521  		if v_0.Op != OpS390XADD {
  7522  			break
  7523  		}
  7524  		ptr := v_0.Args[0]
  7525  		idx := v_0.Args[1]
  7526  		val := v.Args[1]
  7527  		mem := v.Args[2]
  7528  		if !(ptr.Op != OpSB) {
  7529  			break
  7530  		}
  7531  		v.reset(OpS390XFMOVDstoreidx)
  7532  		v.AuxInt = off
  7533  		v.Aux = sym
  7534  		v.AddArg(ptr)
  7535  		v.AddArg(idx)
  7536  		v.AddArg(val)
  7537  		v.AddArg(mem)
  7538  		return true
  7539  	}
  7540  	return false
  7541  }
  7542  func rewriteValueS390X_OpS390XFMOVDstoreidx(v *Value, config *Config) bool {
  7543  	b := v.Block
  7544  	_ = b
  7545  	// match: (FMOVDstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
  7546  	// cond:
  7547  	// result: (FMOVDstoreidx [c+d] {sym} ptr idx val mem)
  7548  	for {
  7549  		c := v.AuxInt
  7550  		sym := v.Aux
  7551  		v_0 := v.Args[0]
  7552  		if v_0.Op != OpS390XADDconst {
  7553  			break
  7554  		}
  7555  		d := v_0.AuxInt
  7556  		ptr := v_0.Args[0]
  7557  		idx := v.Args[1]
  7558  		val := v.Args[2]
  7559  		mem := v.Args[3]
  7560  		v.reset(OpS390XFMOVDstoreidx)
  7561  		v.AuxInt = c + d
  7562  		v.Aux = sym
  7563  		v.AddArg(ptr)
  7564  		v.AddArg(idx)
  7565  		v.AddArg(val)
  7566  		v.AddArg(mem)
  7567  		return true
  7568  	}
  7569  	// match: (FMOVDstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
  7570  	// cond:
  7571  	// result: (FMOVDstoreidx [c+d] {sym} ptr idx val mem)
  7572  	for {
  7573  		c := v.AuxInt
  7574  		sym := v.Aux
  7575  		ptr := v.Args[0]
  7576  		v_1 := v.Args[1]
  7577  		if v_1.Op != OpS390XADDconst {
  7578  			break
  7579  		}
  7580  		d := v_1.AuxInt
  7581  		idx := v_1.Args[0]
  7582  		val := v.Args[2]
  7583  		mem := v.Args[3]
  7584  		v.reset(OpS390XFMOVDstoreidx)
  7585  		v.AuxInt = c + d
  7586  		v.Aux = sym
  7587  		v.AddArg(ptr)
  7588  		v.AddArg(idx)
  7589  		v.AddArg(val)
  7590  		v.AddArg(mem)
  7591  		return true
  7592  	}
  7593  	return false
  7594  }
  7595  func rewriteValueS390X_OpS390XFMOVSload(v *Value, config *Config) bool {
  7596  	b := v.Block
  7597  	_ = b
  7598  	// match: (FMOVSload  [off1] {sym} (ADDconst [off2] ptr) mem)
  7599  	// cond: is20Bit(off1+off2)
  7600  	// result: (FMOVSload [off1+off2] {sym} ptr mem)
  7601  	for {
  7602  		off1 := v.AuxInt
  7603  		sym := v.Aux
  7604  		v_0 := v.Args[0]
  7605  		if v_0.Op != OpS390XADDconst {
  7606  			break
  7607  		}
  7608  		off2 := v_0.AuxInt
  7609  		ptr := v_0.Args[0]
  7610  		mem := v.Args[1]
  7611  		if !(is20Bit(off1 + off2)) {
  7612  			break
  7613  		}
  7614  		v.reset(OpS390XFMOVSload)
  7615  		v.AuxInt = off1 + off2
  7616  		v.Aux = sym
  7617  		v.AddArg(ptr)
  7618  		v.AddArg(mem)
  7619  		return true
  7620  	}
  7621  	// match: (FMOVSload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  7622  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7623  	// result: (FMOVSload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  7624  	for {
  7625  		off1 := v.AuxInt
  7626  		sym1 := v.Aux
  7627  		v_0 := v.Args[0]
  7628  		if v_0.Op != OpS390XMOVDaddr {
  7629  			break
  7630  		}
  7631  		off2 := v_0.AuxInt
  7632  		sym2 := v_0.Aux
  7633  		base := v_0.Args[0]
  7634  		mem := v.Args[1]
  7635  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7636  			break
  7637  		}
  7638  		v.reset(OpS390XFMOVSload)
  7639  		v.AuxInt = off1 + off2
  7640  		v.Aux = mergeSym(sym1, sym2)
  7641  		v.AddArg(base)
  7642  		v.AddArg(mem)
  7643  		return true
  7644  	}
  7645  	// match: (FMOVSload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
  7646  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7647  	// result: (FMOVSloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
  7648  	for {
  7649  		off1 := v.AuxInt
  7650  		sym1 := v.Aux
  7651  		v_0 := v.Args[0]
  7652  		if v_0.Op != OpS390XMOVDaddridx {
  7653  			break
  7654  		}
  7655  		off2 := v_0.AuxInt
  7656  		sym2 := v_0.Aux
  7657  		ptr := v_0.Args[0]
  7658  		idx := v_0.Args[1]
  7659  		mem := v.Args[1]
  7660  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7661  			break
  7662  		}
  7663  		v.reset(OpS390XFMOVSloadidx)
  7664  		v.AuxInt = off1 + off2
  7665  		v.Aux = mergeSym(sym1, sym2)
  7666  		v.AddArg(ptr)
  7667  		v.AddArg(idx)
  7668  		v.AddArg(mem)
  7669  		return true
  7670  	}
  7671  	// match: (FMOVSload [off] {sym} (ADD ptr idx) mem)
  7672  	// cond: ptr.Op != OpSB
  7673  	// result: (FMOVSloadidx [off] {sym} ptr idx mem)
  7674  	for {
  7675  		off := v.AuxInt
  7676  		sym := v.Aux
  7677  		v_0 := v.Args[0]
  7678  		if v_0.Op != OpS390XADD {
  7679  			break
  7680  		}
  7681  		ptr := v_0.Args[0]
  7682  		idx := v_0.Args[1]
  7683  		mem := v.Args[1]
  7684  		if !(ptr.Op != OpSB) {
  7685  			break
  7686  		}
  7687  		v.reset(OpS390XFMOVSloadidx)
  7688  		v.AuxInt = off
  7689  		v.Aux = sym
  7690  		v.AddArg(ptr)
  7691  		v.AddArg(idx)
  7692  		v.AddArg(mem)
  7693  		return true
  7694  	}
  7695  	return false
  7696  }
  7697  func rewriteValueS390X_OpS390XFMOVSloadidx(v *Value, config *Config) bool {
  7698  	b := v.Block
  7699  	_ = b
  7700  	// match: (FMOVSloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
  7701  	// cond:
  7702  	// result: (FMOVSloadidx [c+d] {sym} ptr idx mem)
  7703  	for {
  7704  		c := v.AuxInt
  7705  		sym := v.Aux
  7706  		v_0 := v.Args[0]
  7707  		if v_0.Op != OpS390XADDconst {
  7708  			break
  7709  		}
  7710  		d := v_0.AuxInt
  7711  		ptr := v_0.Args[0]
  7712  		idx := v.Args[1]
  7713  		mem := v.Args[2]
  7714  		v.reset(OpS390XFMOVSloadidx)
  7715  		v.AuxInt = c + d
  7716  		v.Aux = sym
  7717  		v.AddArg(ptr)
  7718  		v.AddArg(idx)
  7719  		v.AddArg(mem)
  7720  		return true
  7721  	}
  7722  	// match: (FMOVSloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
  7723  	// cond:
  7724  	// result: (FMOVSloadidx [c+d] {sym} ptr idx mem)
  7725  	for {
  7726  		c := v.AuxInt
  7727  		sym := v.Aux
  7728  		ptr := v.Args[0]
  7729  		v_1 := v.Args[1]
  7730  		if v_1.Op != OpS390XADDconst {
  7731  			break
  7732  		}
  7733  		d := v_1.AuxInt
  7734  		idx := v_1.Args[0]
  7735  		mem := v.Args[2]
  7736  		v.reset(OpS390XFMOVSloadidx)
  7737  		v.AuxInt = c + d
  7738  		v.Aux = sym
  7739  		v.AddArg(ptr)
  7740  		v.AddArg(idx)
  7741  		v.AddArg(mem)
  7742  		return true
  7743  	}
  7744  	return false
  7745  }
  7746  func rewriteValueS390X_OpS390XFMOVSstore(v *Value, config *Config) bool {
  7747  	b := v.Block
  7748  	_ = b
  7749  	// match: (FMOVSstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  7750  	// cond: is20Bit(off1+off2)
  7751  	// result: (FMOVSstore [off1+off2] {sym} ptr val mem)
  7752  	for {
  7753  		off1 := v.AuxInt
  7754  		sym := v.Aux
  7755  		v_0 := v.Args[0]
  7756  		if v_0.Op != OpS390XADDconst {
  7757  			break
  7758  		}
  7759  		off2 := v_0.AuxInt
  7760  		ptr := v_0.Args[0]
  7761  		val := v.Args[1]
  7762  		mem := v.Args[2]
  7763  		if !(is20Bit(off1 + off2)) {
  7764  			break
  7765  		}
  7766  		v.reset(OpS390XFMOVSstore)
  7767  		v.AuxInt = off1 + off2
  7768  		v.Aux = sym
  7769  		v.AddArg(ptr)
  7770  		v.AddArg(val)
  7771  		v.AddArg(mem)
  7772  		return true
  7773  	}
  7774  	// match: (FMOVSstore [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
  7775  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7776  	// result: (FMOVSstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  7777  	for {
  7778  		off1 := v.AuxInt
  7779  		sym1 := v.Aux
  7780  		v_0 := v.Args[0]
  7781  		if v_0.Op != OpS390XMOVDaddr {
  7782  			break
  7783  		}
  7784  		off2 := v_0.AuxInt
  7785  		sym2 := v_0.Aux
  7786  		base := v_0.Args[0]
  7787  		val := v.Args[1]
  7788  		mem := v.Args[2]
  7789  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7790  			break
  7791  		}
  7792  		v.reset(OpS390XFMOVSstore)
  7793  		v.AuxInt = off1 + off2
  7794  		v.Aux = mergeSym(sym1, sym2)
  7795  		v.AddArg(base)
  7796  		v.AddArg(val)
  7797  		v.AddArg(mem)
  7798  		return true
  7799  	}
  7800  	// match: (FMOVSstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
  7801  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7802  	// result: (FMOVSstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
  7803  	for {
  7804  		off1 := v.AuxInt
  7805  		sym1 := v.Aux
  7806  		v_0 := v.Args[0]
  7807  		if v_0.Op != OpS390XMOVDaddridx {
  7808  			break
  7809  		}
  7810  		off2 := v_0.AuxInt
  7811  		sym2 := v_0.Aux
  7812  		ptr := v_0.Args[0]
  7813  		idx := v_0.Args[1]
  7814  		val := v.Args[1]
  7815  		mem := v.Args[2]
  7816  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7817  			break
  7818  		}
  7819  		v.reset(OpS390XFMOVSstoreidx)
  7820  		v.AuxInt = off1 + off2
  7821  		v.Aux = mergeSym(sym1, sym2)
  7822  		v.AddArg(ptr)
  7823  		v.AddArg(idx)
  7824  		v.AddArg(val)
  7825  		v.AddArg(mem)
  7826  		return true
  7827  	}
  7828  	// match: (FMOVSstore [off] {sym} (ADD ptr idx) val mem)
  7829  	// cond: ptr.Op != OpSB
  7830  	// result: (FMOVSstoreidx [off] {sym} ptr idx val mem)
  7831  	for {
  7832  		off := v.AuxInt
  7833  		sym := v.Aux
  7834  		v_0 := v.Args[0]
  7835  		if v_0.Op != OpS390XADD {
  7836  			break
  7837  		}
  7838  		ptr := v_0.Args[0]
  7839  		idx := v_0.Args[1]
  7840  		val := v.Args[1]
  7841  		mem := v.Args[2]
  7842  		if !(ptr.Op != OpSB) {
  7843  			break
  7844  		}
  7845  		v.reset(OpS390XFMOVSstoreidx)
  7846  		v.AuxInt = off
  7847  		v.Aux = sym
  7848  		v.AddArg(ptr)
  7849  		v.AddArg(idx)
  7850  		v.AddArg(val)
  7851  		v.AddArg(mem)
  7852  		return true
  7853  	}
  7854  	return false
  7855  }
  7856  func rewriteValueS390X_OpS390XFMOVSstoreidx(v *Value, config *Config) bool {
  7857  	b := v.Block
  7858  	_ = b
  7859  	// match: (FMOVSstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
  7860  	// cond:
  7861  	// result: (FMOVSstoreidx [c+d] {sym} ptr idx val mem)
  7862  	for {
  7863  		c := v.AuxInt
  7864  		sym := v.Aux
  7865  		v_0 := v.Args[0]
  7866  		if v_0.Op != OpS390XADDconst {
  7867  			break
  7868  		}
  7869  		d := v_0.AuxInt
  7870  		ptr := v_0.Args[0]
  7871  		idx := v.Args[1]
  7872  		val := v.Args[2]
  7873  		mem := v.Args[3]
  7874  		v.reset(OpS390XFMOVSstoreidx)
  7875  		v.AuxInt = c + d
  7876  		v.Aux = sym
  7877  		v.AddArg(ptr)
  7878  		v.AddArg(idx)
  7879  		v.AddArg(val)
  7880  		v.AddArg(mem)
  7881  		return true
  7882  	}
  7883  	// match: (FMOVSstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
  7884  	// cond:
  7885  	// result: (FMOVSstoreidx [c+d] {sym} ptr idx val mem)
  7886  	for {
  7887  		c := v.AuxInt
  7888  		sym := v.Aux
  7889  		ptr := v.Args[0]
  7890  		v_1 := v.Args[1]
  7891  		if v_1.Op != OpS390XADDconst {
  7892  			break
  7893  		}
  7894  		d := v_1.AuxInt
  7895  		idx := v_1.Args[0]
  7896  		val := v.Args[2]
  7897  		mem := v.Args[3]
  7898  		v.reset(OpS390XFMOVSstoreidx)
  7899  		v.AuxInt = c + d
  7900  		v.Aux = sym
  7901  		v.AddArg(ptr)
  7902  		v.AddArg(idx)
  7903  		v.AddArg(val)
  7904  		v.AddArg(mem)
  7905  		return true
  7906  	}
  7907  	return false
  7908  }
  7909  func rewriteValueS390X_OpS390XMOVBZload(v *Value, config *Config) bool {
  7910  	b := v.Block
  7911  	_ = b
  7912  	// match: (MOVBZload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _))
  7913  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  7914  	// result: (MOVDreg x)
  7915  	for {
  7916  		off := v.AuxInt
  7917  		sym := v.Aux
  7918  		ptr := v.Args[0]
  7919  		v_1 := v.Args[1]
  7920  		if v_1.Op != OpS390XMOVBstore {
  7921  			break
  7922  		}
  7923  		off2 := v_1.AuxInt
  7924  		sym2 := v_1.Aux
  7925  		ptr2 := v_1.Args[0]
  7926  		x := v_1.Args[1]
  7927  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  7928  			break
  7929  		}
  7930  		v.reset(OpS390XMOVDreg)
  7931  		v.AddArg(x)
  7932  		return true
  7933  	}
  7934  	// match: (MOVBZload  [off1] {sym} (ADDconst [off2] ptr) mem)
  7935  	// cond: is20Bit(off1+off2)
  7936  	// result: (MOVBZload [off1+off2] {sym} ptr mem)
  7937  	for {
  7938  		off1 := v.AuxInt
  7939  		sym := v.Aux
  7940  		v_0 := v.Args[0]
  7941  		if v_0.Op != OpS390XADDconst {
  7942  			break
  7943  		}
  7944  		off2 := v_0.AuxInt
  7945  		ptr := v_0.Args[0]
  7946  		mem := v.Args[1]
  7947  		if !(is20Bit(off1 + off2)) {
  7948  			break
  7949  		}
  7950  		v.reset(OpS390XMOVBZload)
  7951  		v.AuxInt = off1 + off2
  7952  		v.Aux = sym
  7953  		v.AddArg(ptr)
  7954  		v.AddArg(mem)
  7955  		return true
  7956  	}
  7957  	// match: (MOVBZload  [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  7958  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7959  	// result: (MOVBZload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
  7960  	for {
  7961  		off1 := v.AuxInt
  7962  		sym1 := v.Aux
  7963  		v_0 := v.Args[0]
  7964  		if v_0.Op != OpS390XMOVDaddr {
  7965  			break
  7966  		}
  7967  		off2 := v_0.AuxInt
  7968  		sym2 := v_0.Aux
  7969  		base := v_0.Args[0]
  7970  		mem := v.Args[1]
  7971  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7972  			break
  7973  		}
  7974  		v.reset(OpS390XMOVBZload)
  7975  		v.AuxInt = off1 + off2
  7976  		v.Aux = mergeSym(sym1, sym2)
  7977  		v.AddArg(base)
  7978  		v.AddArg(mem)
  7979  		return true
  7980  	}
  7981  	// match: (MOVBZload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
  7982  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7983  	// result: (MOVBZloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
  7984  	for {
  7985  		off1 := v.AuxInt
  7986  		sym1 := v.Aux
  7987  		v_0 := v.Args[0]
  7988  		if v_0.Op != OpS390XMOVDaddridx {
  7989  			break
  7990  		}
  7991  		off2 := v_0.AuxInt
  7992  		sym2 := v_0.Aux
  7993  		ptr := v_0.Args[0]
  7994  		idx := v_0.Args[1]
  7995  		mem := v.Args[1]
  7996  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7997  			break
  7998  		}
  7999  		v.reset(OpS390XMOVBZloadidx)
  8000  		v.AuxInt = off1 + off2
  8001  		v.Aux = mergeSym(sym1, sym2)
  8002  		v.AddArg(ptr)
  8003  		v.AddArg(idx)
  8004  		v.AddArg(mem)
  8005  		return true
  8006  	}
  8007  	// match: (MOVBZload [off] {sym} (ADD ptr idx) mem)
  8008  	// cond: ptr.Op != OpSB
  8009  	// result: (MOVBZloadidx [off] {sym} ptr idx mem)
  8010  	for {
  8011  		off := v.AuxInt
  8012  		sym := v.Aux
  8013  		v_0 := v.Args[0]
  8014  		if v_0.Op != OpS390XADD {
  8015  			break
  8016  		}
  8017  		ptr := v_0.Args[0]
  8018  		idx := v_0.Args[1]
  8019  		mem := v.Args[1]
  8020  		if !(ptr.Op != OpSB) {
  8021  			break
  8022  		}
  8023  		v.reset(OpS390XMOVBZloadidx)
  8024  		v.AuxInt = off
  8025  		v.Aux = sym
  8026  		v.AddArg(ptr)
  8027  		v.AddArg(idx)
  8028  		v.AddArg(mem)
  8029  		return true
  8030  	}
  8031  	return false
  8032  }
  8033  func rewriteValueS390X_OpS390XMOVBZloadidx(v *Value, config *Config) bool {
  8034  	b := v.Block
  8035  	_ = b
  8036  	// match: (MOVBZloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
  8037  	// cond:
  8038  	// result: (MOVBZloadidx [c+d] {sym} ptr idx mem)
  8039  	for {
  8040  		c := v.AuxInt
  8041  		sym := v.Aux
  8042  		v_0 := v.Args[0]
  8043  		if v_0.Op != OpS390XADDconst {
  8044  			break
  8045  		}
  8046  		d := v_0.AuxInt
  8047  		ptr := v_0.Args[0]
  8048  		idx := v.Args[1]
  8049  		mem := v.Args[2]
  8050  		v.reset(OpS390XMOVBZloadidx)
  8051  		v.AuxInt = c + d
  8052  		v.Aux = sym
  8053  		v.AddArg(ptr)
  8054  		v.AddArg(idx)
  8055  		v.AddArg(mem)
  8056  		return true
  8057  	}
  8058  	// match: (MOVBZloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
  8059  	// cond:
  8060  	// result: (MOVBZloadidx [c+d] {sym} ptr idx mem)
  8061  	for {
  8062  		c := v.AuxInt
  8063  		sym := v.Aux
  8064  		ptr := v.Args[0]
  8065  		v_1 := v.Args[1]
  8066  		if v_1.Op != OpS390XADDconst {
  8067  			break
  8068  		}
  8069  		d := v_1.AuxInt
  8070  		idx := v_1.Args[0]
  8071  		mem := v.Args[2]
  8072  		v.reset(OpS390XMOVBZloadidx)
  8073  		v.AuxInt = c + d
  8074  		v.Aux = sym
  8075  		v.AddArg(ptr)
  8076  		v.AddArg(idx)
  8077  		v.AddArg(mem)
  8078  		return true
  8079  	}
  8080  	return false
  8081  }
  8082  func rewriteValueS390X_OpS390XMOVBZreg(v *Value, config *Config) bool {
  8083  	b := v.Block
  8084  	_ = b
  8085  	// match: (MOVBZreg x:(MOVDLT (MOVDconst [c]) (MOVDconst [d]) _))
  8086  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8087  	// result: (MOVDreg x)
  8088  	for {
  8089  		x := v.Args[0]
  8090  		if x.Op != OpS390XMOVDLT {
  8091  			break
  8092  		}
  8093  		x_0 := x.Args[0]
  8094  		if x_0.Op != OpS390XMOVDconst {
  8095  			break
  8096  		}
  8097  		c := x_0.AuxInt
  8098  		x_1 := x.Args[1]
  8099  		if x_1.Op != OpS390XMOVDconst {
  8100  			break
  8101  		}
  8102  		d := x_1.AuxInt
  8103  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8104  			break
  8105  		}
  8106  		v.reset(OpS390XMOVDreg)
  8107  		v.AddArg(x)
  8108  		return true
  8109  	}
  8110  	// match: (MOVBZreg x:(MOVDLE (MOVDconst [c]) (MOVDconst [d]) _))
  8111  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8112  	// result: (MOVDreg x)
  8113  	for {
  8114  		x := v.Args[0]
  8115  		if x.Op != OpS390XMOVDLE {
  8116  			break
  8117  		}
  8118  		x_0 := x.Args[0]
  8119  		if x_0.Op != OpS390XMOVDconst {
  8120  			break
  8121  		}
  8122  		c := x_0.AuxInt
  8123  		x_1 := x.Args[1]
  8124  		if x_1.Op != OpS390XMOVDconst {
  8125  			break
  8126  		}
  8127  		d := x_1.AuxInt
  8128  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8129  			break
  8130  		}
  8131  		v.reset(OpS390XMOVDreg)
  8132  		v.AddArg(x)
  8133  		return true
  8134  	}
  8135  	// match: (MOVBZreg x:(MOVDGT (MOVDconst [c]) (MOVDconst [d]) _))
  8136  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8137  	// result: (MOVDreg x)
  8138  	for {
  8139  		x := v.Args[0]
  8140  		if x.Op != OpS390XMOVDGT {
  8141  			break
  8142  		}
  8143  		x_0 := x.Args[0]
  8144  		if x_0.Op != OpS390XMOVDconst {
  8145  			break
  8146  		}
  8147  		c := x_0.AuxInt
  8148  		x_1 := x.Args[1]
  8149  		if x_1.Op != OpS390XMOVDconst {
  8150  			break
  8151  		}
  8152  		d := x_1.AuxInt
  8153  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8154  			break
  8155  		}
  8156  		v.reset(OpS390XMOVDreg)
  8157  		v.AddArg(x)
  8158  		return true
  8159  	}
  8160  	// match: (MOVBZreg x:(MOVDGE (MOVDconst [c]) (MOVDconst [d]) _))
  8161  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8162  	// result: (MOVDreg x)
  8163  	for {
  8164  		x := v.Args[0]
  8165  		if x.Op != OpS390XMOVDGE {
  8166  			break
  8167  		}
  8168  		x_0 := x.Args[0]
  8169  		if x_0.Op != OpS390XMOVDconst {
  8170  			break
  8171  		}
  8172  		c := x_0.AuxInt
  8173  		x_1 := x.Args[1]
  8174  		if x_1.Op != OpS390XMOVDconst {
  8175  			break
  8176  		}
  8177  		d := x_1.AuxInt
  8178  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8179  			break
  8180  		}
  8181  		v.reset(OpS390XMOVDreg)
  8182  		v.AddArg(x)
  8183  		return true
  8184  	}
  8185  	// match: (MOVBZreg x:(MOVDEQ (MOVDconst [c]) (MOVDconst [d]) _))
  8186  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8187  	// result: (MOVDreg x)
  8188  	for {
  8189  		x := v.Args[0]
  8190  		if x.Op != OpS390XMOVDEQ {
  8191  			break
  8192  		}
  8193  		x_0 := x.Args[0]
  8194  		if x_0.Op != OpS390XMOVDconst {
  8195  			break
  8196  		}
  8197  		c := x_0.AuxInt
  8198  		x_1 := x.Args[1]
  8199  		if x_1.Op != OpS390XMOVDconst {
  8200  			break
  8201  		}
  8202  		d := x_1.AuxInt
  8203  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8204  			break
  8205  		}
  8206  		v.reset(OpS390XMOVDreg)
  8207  		v.AddArg(x)
  8208  		return true
  8209  	}
  8210  	// match: (MOVBZreg x:(MOVDNE (MOVDconst [c]) (MOVDconst [d]) _))
  8211  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8212  	// result: (MOVDreg x)
  8213  	for {
  8214  		x := v.Args[0]
  8215  		if x.Op != OpS390XMOVDNE {
  8216  			break
  8217  		}
  8218  		x_0 := x.Args[0]
  8219  		if x_0.Op != OpS390XMOVDconst {
  8220  			break
  8221  		}
  8222  		c := x_0.AuxInt
  8223  		x_1 := x.Args[1]
  8224  		if x_1.Op != OpS390XMOVDconst {
  8225  			break
  8226  		}
  8227  		d := x_1.AuxInt
  8228  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8229  			break
  8230  		}
  8231  		v.reset(OpS390XMOVDreg)
  8232  		v.AddArg(x)
  8233  		return true
  8234  	}
  8235  	// match: (MOVBZreg x:(MOVDGTnoinv (MOVDconst [c]) (MOVDconst [d]) _))
  8236  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8237  	// result: (MOVDreg x)
  8238  	for {
  8239  		x := v.Args[0]
  8240  		if x.Op != OpS390XMOVDGTnoinv {
  8241  			break
  8242  		}
  8243  		x_0 := x.Args[0]
  8244  		if x_0.Op != OpS390XMOVDconst {
  8245  			break
  8246  		}
  8247  		c := x_0.AuxInt
  8248  		x_1 := x.Args[1]
  8249  		if x_1.Op != OpS390XMOVDconst {
  8250  			break
  8251  		}
  8252  		d := x_1.AuxInt
  8253  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8254  			break
  8255  		}
  8256  		v.reset(OpS390XMOVDreg)
  8257  		v.AddArg(x)
  8258  		return true
  8259  	}
  8260  	// match: (MOVBZreg x:(MOVDGEnoinv (MOVDconst [c]) (MOVDconst [d]) _))
  8261  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8262  	// result: (MOVDreg x)
  8263  	for {
  8264  		x := v.Args[0]
  8265  		if x.Op != OpS390XMOVDGEnoinv {
  8266  			break
  8267  		}
  8268  		x_0 := x.Args[0]
  8269  		if x_0.Op != OpS390XMOVDconst {
  8270  			break
  8271  		}
  8272  		c := x_0.AuxInt
  8273  		x_1 := x.Args[1]
  8274  		if x_1.Op != OpS390XMOVDconst {
  8275  			break
  8276  		}
  8277  		d := x_1.AuxInt
  8278  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8279  			break
  8280  		}
  8281  		v.reset(OpS390XMOVDreg)
  8282  		v.AddArg(x)
  8283  		return true
  8284  	}
  8285  	// match: (MOVBZreg x:(MOVBZload _ _))
  8286  	// cond:
  8287  	// result: (MOVDreg x)
  8288  	for {
  8289  		x := v.Args[0]
  8290  		if x.Op != OpS390XMOVBZload {
  8291  			break
  8292  		}
  8293  		v.reset(OpS390XMOVDreg)
  8294  		v.AddArg(x)
  8295  		return true
  8296  	}
  8297  	// match: (MOVBZreg x:(Arg <t>))
  8298  	// cond: is8BitInt(t) && !isSigned(t)
  8299  	// result: (MOVDreg x)
  8300  	for {
  8301  		x := v.Args[0]
  8302  		if x.Op != OpArg {
  8303  			break
  8304  		}
  8305  		t := x.Type
  8306  		if !(is8BitInt(t) && !isSigned(t)) {
  8307  			break
  8308  		}
  8309  		v.reset(OpS390XMOVDreg)
  8310  		v.AddArg(x)
  8311  		return true
  8312  	}
  8313  	// match: (MOVBZreg x:(MOVBZreg _))
  8314  	// cond:
  8315  	// result: (MOVDreg x)
  8316  	for {
  8317  		x := v.Args[0]
  8318  		if x.Op != OpS390XMOVBZreg {
  8319  			break
  8320  		}
  8321  		v.reset(OpS390XMOVDreg)
  8322  		v.AddArg(x)
  8323  		return true
  8324  	}
  8325  	// match: (MOVBZreg (MOVDconst [c]))
  8326  	// cond:
  8327  	// result: (MOVDconst [int64(uint8(c))])
  8328  	for {
  8329  		v_0 := v.Args[0]
  8330  		if v_0.Op != OpS390XMOVDconst {
  8331  			break
  8332  		}
  8333  		c := v_0.AuxInt
  8334  		v.reset(OpS390XMOVDconst)
  8335  		v.AuxInt = int64(uint8(c))
  8336  		return true
  8337  	}
  8338  	// match: (MOVBZreg x:(MOVBZload [off] {sym} ptr mem))
  8339  	// cond: x.Uses == 1 && clobber(x)
  8340  	// result: @x.Block (MOVBZload <v.Type> [off] {sym} ptr mem)
  8341  	for {
  8342  		x := v.Args[0]
  8343  		if x.Op != OpS390XMOVBZload {
  8344  			break
  8345  		}
  8346  		off := x.AuxInt
  8347  		sym := x.Aux
  8348  		ptr := x.Args[0]
  8349  		mem := x.Args[1]
  8350  		if !(x.Uses == 1 && clobber(x)) {
  8351  			break
  8352  		}
  8353  		b = x.Block
  8354  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZload, v.Type)
  8355  		v.reset(OpCopy)
  8356  		v.AddArg(v0)
  8357  		v0.AuxInt = off
  8358  		v0.Aux = sym
  8359  		v0.AddArg(ptr)
  8360  		v0.AddArg(mem)
  8361  		return true
  8362  	}
  8363  	// match: (MOVBZreg x:(MOVBZloadidx [off] {sym} ptr idx mem))
  8364  	// cond: x.Uses == 1 && clobber(x)
  8365  	// result: @x.Block (MOVBZloadidx <v.Type> [off] {sym} ptr idx mem)
  8366  	for {
  8367  		x := v.Args[0]
  8368  		if x.Op != OpS390XMOVBZloadidx {
  8369  			break
  8370  		}
  8371  		off := x.AuxInt
  8372  		sym := x.Aux
  8373  		ptr := x.Args[0]
  8374  		idx := x.Args[1]
  8375  		mem := x.Args[2]
  8376  		if !(x.Uses == 1 && clobber(x)) {
  8377  			break
  8378  		}
  8379  		b = x.Block
  8380  		v0 := b.NewValue0(v.Pos, OpS390XMOVBZloadidx, v.Type)
  8381  		v.reset(OpCopy)
  8382  		v.AddArg(v0)
  8383  		v0.AuxInt = off
  8384  		v0.Aux = sym
  8385  		v0.AddArg(ptr)
  8386  		v0.AddArg(idx)
  8387  		v0.AddArg(mem)
  8388  		return true
  8389  	}
  8390  	return false
  8391  }
  8392  func rewriteValueS390X_OpS390XMOVBload(v *Value, config *Config) bool {
  8393  	b := v.Block
  8394  	_ = b
  8395  	// match: (MOVBload   [off1] {sym} (ADDconst [off2] ptr) mem)
  8396  	// cond: is20Bit(off1+off2)
  8397  	// result: (MOVBload  [off1+off2] {sym} ptr mem)
  8398  	for {
  8399  		off1 := v.AuxInt
  8400  		sym := v.Aux
  8401  		v_0 := v.Args[0]
  8402  		if v_0.Op != OpS390XADDconst {
  8403  			break
  8404  		}
  8405  		off2 := v_0.AuxInt
  8406  		ptr := v_0.Args[0]
  8407  		mem := v.Args[1]
  8408  		if !(is20Bit(off1 + off2)) {
  8409  			break
  8410  		}
  8411  		v.reset(OpS390XMOVBload)
  8412  		v.AuxInt = off1 + off2
  8413  		v.Aux = sym
  8414  		v.AddArg(ptr)
  8415  		v.AddArg(mem)
  8416  		return true
  8417  	}
  8418  	// match: (MOVBload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  8419  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8420  	// result: (MOVBload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  8421  	for {
  8422  		off1 := v.AuxInt
  8423  		sym1 := v.Aux
  8424  		v_0 := v.Args[0]
  8425  		if v_0.Op != OpS390XMOVDaddr {
  8426  			break
  8427  		}
  8428  		off2 := v_0.AuxInt
  8429  		sym2 := v_0.Aux
  8430  		base := v_0.Args[0]
  8431  		mem := v.Args[1]
  8432  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8433  			break
  8434  		}
  8435  		v.reset(OpS390XMOVBload)
  8436  		v.AuxInt = off1 + off2
  8437  		v.Aux = mergeSym(sym1, sym2)
  8438  		v.AddArg(base)
  8439  		v.AddArg(mem)
  8440  		return true
  8441  	}
  8442  	return false
  8443  }
  8444  func rewriteValueS390X_OpS390XMOVBreg(v *Value, config *Config) bool {
  8445  	b := v.Block
  8446  	_ = b
  8447  	// match: (MOVBreg x:(MOVBload _ _))
  8448  	// cond:
  8449  	// result: (MOVDreg x)
  8450  	for {
  8451  		x := v.Args[0]
  8452  		if x.Op != OpS390XMOVBload {
  8453  			break
  8454  		}
  8455  		v.reset(OpS390XMOVDreg)
  8456  		v.AddArg(x)
  8457  		return true
  8458  	}
  8459  	// match: (MOVBreg x:(Arg <t>))
  8460  	// cond: is8BitInt(t) && isSigned(t)
  8461  	// result: (MOVDreg x)
  8462  	for {
  8463  		x := v.Args[0]
  8464  		if x.Op != OpArg {
  8465  			break
  8466  		}
  8467  		t := x.Type
  8468  		if !(is8BitInt(t) && isSigned(t)) {
  8469  			break
  8470  		}
  8471  		v.reset(OpS390XMOVDreg)
  8472  		v.AddArg(x)
  8473  		return true
  8474  	}
  8475  	// match: (MOVBreg x:(MOVBreg _))
  8476  	// cond:
  8477  	// result: (MOVDreg x)
  8478  	for {
  8479  		x := v.Args[0]
  8480  		if x.Op != OpS390XMOVBreg {
  8481  			break
  8482  		}
  8483  		v.reset(OpS390XMOVDreg)
  8484  		v.AddArg(x)
  8485  		return true
  8486  	}
  8487  	// match: (MOVBreg (MOVDconst [c]))
  8488  	// cond:
  8489  	// result: (MOVDconst [int64(int8(c))])
  8490  	for {
  8491  		v_0 := v.Args[0]
  8492  		if v_0.Op != OpS390XMOVDconst {
  8493  			break
  8494  		}
  8495  		c := v_0.AuxInt
  8496  		v.reset(OpS390XMOVDconst)
  8497  		v.AuxInt = int64(int8(c))
  8498  		return true
  8499  	}
  8500  	// match: (MOVBreg x:(MOVBZload [off] {sym} ptr mem))
  8501  	// cond: x.Uses == 1 && clobber(x)
  8502  	// result: @x.Block (MOVBload <v.Type> [off] {sym} ptr mem)
  8503  	for {
  8504  		x := v.Args[0]
  8505  		if x.Op != OpS390XMOVBZload {
  8506  			break
  8507  		}
  8508  		off := x.AuxInt
  8509  		sym := x.Aux
  8510  		ptr := x.Args[0]
  8511  		mem := x.Args[1]
  8512  		if !(x.Uses == 1 && clobber(x)) {
  8513  			break
  8514  		}
  8515  		b = x.Block
  8516  		v0 := b.NewValue0(v.Pos, OpS390XMOVBload, v.Type)
  8517  		v.reset(OpCopy)
  8518  		v.AddArg(v0)
  8519  		v0.AuxInt = off
  8520  		v0.Aux = sym
  8521  		v0.AddArg(ptr)
  8522  		v0.AddArg(mem)
  8523  		return true
  8524  	}
  8525  	return false
  8526  }
  8527  func rewriteValueS390X_OpS390XMOVBstore(v *Value, config *Config) bool {
  8528  	b := v.Block
  8529  	_ = b
  8530  	// match: (MOVBstore [off] {sym} ptr (MOVBreg x) mem)
  8531  	// cond:
  8532  	// result: (MOVBstore [off] {sym} ptr x mem)
  8533  	for {
  8534  		off := v.AuxInt
  8535  		sym := v.Aux
  8536  		ptr := v.Args[0]
  8537  		v_1 := v.Args[1]
  8538  		if v_1.Op != OpS390XMOVBreg {
  8539  			break
  8540  		}
  8541  		x := v_1.Args[0]
  8542  		mem := v.Args[2]
  8543  		v.reset(OpS390XMOVBstore)
  8544  		v.AuxInt = off
  8545  		v.Aux = sym
  8546  		v.AddArg(ptr)
  8547  		v.AddArg(x)
  8548  		v.AddArg(mem)
  8549  		return true
  8550  	}
  8551  	// match: (MOVBstore [off] {sym} ptr (MOVBZreg x) mem)
  8552  	// cond:
  8553  	// result: (MOVBstore [off] {sym} ptr x mem)
  8554  	for {
  8555  		off := v.AuxInt
  8556  		sym := v.Aux
  8557  		ptr := v.Args[0]
  8558  		v_1 := v.Args[1]
  8559  		if v_1.Op != OpS390XMOVBZreg {
  8560  			break
  8561  		}
  8562  		x := v_1.Args[0]
  8563  		mem := v.Args[2]
  8564  		v.reset(OpS390XMOVBstore)
  8565  		v.AuxInt = off
  8566  		v.Aux = sym
  8567  		v.AddArg(ptr)
  8568  		v.AddArg(x)
  8569  		v.AddArg(mem)
  8570  		return true
  8571  	}
  8572  	// match: (MOVBstore  [off1] {sym} (ADDconst [off2] ptr) val mem)
  8573  	// cond: is20Bit(off1+off2)
  8574  	// result: (MOVBstore  [off1+off2] {sym} ptr val mem)
  8575  	for {
  8576  		off1 := v.AuxInt
  8577  		sym := v.Aux
  8578  		v_0 := v.Args[0]
  8579  		if v_0.Op != OpS390XADDconst {
  8580  			break
  8581  		}
  8582  		off2 := v_0.AuxInt
  8583  		ptr := v_0.Args[0]
  8584  		val := v.Args[1]
  8585  		mem := v.Args[2]
  8586  		if !(is20Bit(off1 + off2)) {
  8587  			break
  8588  		}
  8589  		v.reset(OpS390XMOVBstore)
  8590  		v.AuxInt = off1 + off2
  8591  		v.Aux = sym
  8592  		v.AddArg(ptr)
  8593  		v.AddArg(val)
  8594  		v.AddArg(mem)
  8595  		return true
  8596  	}
  8597  	// match: (MOVBstore [off] {sym} ptr (MOVDconst [c]) mem)
  8598  	// cond: validOff(off) && ptr.Op != OpSB
  8599  	// result: (MOVBstoreconst [makeValAndOff(int64(int8(c)),off)] {sym} ptr mem)
  8600  	for {
  8601  		off := v.AuxInt
  8602  		sym := v.Aux
  8603  		ptr := v.Args[0]
  8604  		v_1 := v.Args[1]
  8605  		if v_1.Op != OpS390XMOVDconst {
  8606  			break
  8607  		}
  8608  		c := v_1.AuxInt
  8609  		mem := v.Args[2]
  8610  		if !(validOff(off) && ptr.Op != OpSB) {
  8611  			break
  8612  		}
  8613  		v.reset(OpS390XMOVBstoreconst)
  8614  		v.AuxInt = makeValAndOff(int64(int8(c)), off)
  8615  		v.Aux = sym
  8616  		v.AddArg(ptr)
  8617  		v.AddArg(mem)
  8618  		return true
  8619  	}
  8620  	// match: (MOVBstore  [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
  8621  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8622  	// result: (MOVBstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  8623  	for {
  8624  		off1 := v.AuxInt
  8625  		sym1 := v.Aux
  8626  		v_0 := v.Args[0]
  8627  		if v_0.Op != OpS390XMOVDaddr {
  8628  			break
  8629  		}
  8630  		off2 := v_0.AuxInt
  8631  		sym2 := v_0.Aux
  8632  		base := v_0.Args[0]
  8633  		val := v.Args[1]
  8634  		mem := v.Args[2]
  8635  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8636  			break
  8637  		}
  8638  		v.reset(OpS390XMOVBstore)
  8639  		v.AuxInt = off1 + off2
  8640  		v.Aux = mergeSym(sym1, sym2)
  8641  		v.AddArg(base)
  8642  		v.AddArg(val)
  8643  		v.AddArg(mem)
  8644  		return true
  8645  	}
  8646  	// match: (MOVBstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
  8647  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8648  	// result: (MOVBstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
  8649  	for {
  8650  		off1 := v.AuxInt
  8651  		sym1 := v.Aux
  8652  		v_0 := v.Args[0]
  8653  		if v_0.Op != OpS390XMOVDaddridx {
  8654  			break
  8655  		}
  8656  		off2 := v_0.AuxInt
  8657  		sym2 := v_0.Aux
  8658  		ptr := v_0.Args[0]
  8659  		idx := v_0.Args[1]
  8660  		val := v.Args[1]
  8661  		mem := v.Args[2]
  8662  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8663  			break
  8664  		}
  8665  		v.reset(OpS390XMOVBstoreidx)
  8666  		v.AuxInt = off1 + off2
  8667  		v.Aux = mergeSym(sym1, sym2)
  8668  		v.AddArg(ptr)
  8669  		v.AddArg(idx)
  8670  		v.AddArg(val)
  8671  		v.AddArg(mem)
  8672  		return true
  8673  	}
  8674  	// match: (MOVBstore [off] {sym} (ADD ptr idx) val mem)
  8675  	// cond: ptr.Op != OpSB
  8676  	// result: (MOVBstoreidx [off] {sym} ptr idx val mem)
  8677  	for {
  8678  		off := v.AuxInt
  8679  		sym := v.Aux
  8680  		v_0 := v.Args[0]
  8681  		if v_0.Op != OpS390XADD {
  8682  			break
  8683  		}
  8684  		ptr := v_0.Args[0]
  8685  		idx := v_0.Args[1]
  8686  		val := v.Args[1]
  8687  		mem := v.Args[2]
  8688  		if !(ptr.Op != OpSB) {
  8689  			break
  8690  		}
  8691  		v.reset(OpS390XMOVBstoreidx)
  8692  		v.AuxInt = off
  8693  		v.Aux = sym
  8694  		v.AddArg(ptr)
  8695  		v.AddArg(idx)
  8696  		v.AddArg(val)
  8697  		v.AddArg(mem)
  8698  		return true
  8699  	}
  8700  	// match: (MOVBstore [i] {s} p w x:(MOVBstore [i-1] {s} p (SRDconst [8] w) mem))
  8701  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8702  	// result: (MOVHstore [i-1] {s} p w mem)
  8703  	for {
  8704  		i := v.AuxInt
  8705  		s := v.Aux
  8706  		p := v.Args[0]
  8707  		w := v.Args[1]
  8708  		x := v.Args[2]
  8709  		if x.Op != OpS390XMOVBstore {
  8710  			break
  8711  		}
  8712  		if x.AuxInt != i-1 {
  8713  			break
  8714  		}
  8715  		if x.Aux != s {
  8716  			break
  8717  		}
  8718  		if p != x.Args[0] {
  8719  			break
  8720  		}
  8721  		x_1 := x.Args[1]
  8722  		if x_1.Op != OpS390XSRDconst {
  8723  			break
  8724  		}
  8725  		if x_1.AuxInt != 8 {
  8726  			break
  8727  		}
  8728  		if w != x_1.Args[0] {
  8729  			break
  8730  		}
  8731  		mem := x.Args[2]
  8732  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8733  			break
  8734  		}
  8735  		v.reset(OpS390XMOVHstore)
  8736  		v.AuxInt = i - 1
  8737  		v.Aux = s
  8738  		v.AddArg(p)
  8739  		v.AddArg(w)
  8740  		v.AddArg(mem)
  8741  		return true
  8742  	}
  8743  	// match: (MOVBstore [i] {s} p w0:(SRDconst [j] w) x:(MOVBstore [i-1] {s} p (SRDconst [j+8] w) mem))
  8744  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8745  	// result: (MOVHstore [i-1] {s} p w0 mem)
  8746  	for {
  8747  		i := v.AuxInt
  8748  		s := v.Aux
  8749  		p := v.Args[0]
  8750  		w0 := v.Args[1]
  8751  		if w0.Op != OpS390XSRDconst {
  8752  			break
  8753  		}
  8754  		j := w0.AuxInt
  8755  		w := w0.Args[0]
  8756  		x := v.Args[2]
  8757  		if x.Op != OpS390XMOVBstore {
  8758  			break
  8759  		}
  8760  		if x.AuxInt != i-1 {
  8761  			break
  8762  		}
  8763  		if x.Aux != s {
  8764  			break
  8765  		}
  8766  		if p != x.Args[0] {
  8767  			break
  8768  		}
  8769  		x_1 := x.Args[1]
  8770  		if x_1.Op != OpS390XSRDconst {
  8771  			break
  8772  		}
  8773  		if x_1.AuxInt != j+8 {
  8774  			break
  8775  		}
  8776  		if w != x_1.Args[0] {
  8777  			break
  8778  		}
  8779  		mem := x.Args[2]
  8780  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8781  			break
  8782  		}
  8783  		v.reset(OpS390XMOVHstore)
  8784  		v.AuxInt = i - 1
  8785  		v.Aux = s
  8786  		v.AddArg(p)
  8787  		v.AddArg(w0)
  8788  		v.AddArg(mem)
  8789  		return true
  8790  	}
  8791  	// match: (MOVBstore [i] {s} p w x:(MOVBstore [i-1] {s} p (SRWconst [8] w) mem))
  8792  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8793  	// result: (MOVHstore [i-1] {s} p w mem)
  8794  	for {
  8795  		i := v.AuxInt
  8796  		s := v.Aux
  8797  		p := v.Args[0]
  8798  		w := v.Args[1]
  8799  		x := v.Args[2]
  8800  		if x.Op != OpS390XMOVBstore {
  8801  			break
  8802  		}
  8803  		if x.AuxInt != i-1 {
  8804  			break
  8805  		}
  8806  		if x.Aux != s {
  8807  			break
  8808  		}
  8809  		if p != x.Args[0] {
  8810  			break
  8811  		}
  8812  		x_1 := x.Args[1]
  8813  		if x_1.Op != OpS390XSRWconst {
  8814  			break
  8815  		}
  8816  		if x_1.AuxInt != 8 {
  8817  			break
  8818  		}
  8819  		if w != x_1.Args[0] {
  8820  			break
  8821  		}
  8822  		mem := x.Args[2]
  8823  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8824  			break
  8825  		}
  8826  		v.reset(OpS390XMOVHstore)
  8827  		v.AuxInt = i - 1
  8828  		v.Aux = s
  8829  		v.AddArg(p)
  8830  		v.AddArg(w)
  8831  		v.AddArg(mem)
  8832  		return true
  8833  	}
  8834  	// match: (MOVBstore [i] {s} p w0:(SRWconst [j] w) x:(MOVBstore [i-1] {s} p (SRWconst [j+8] w) mem))
  8835  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8836  	// result: (MOVHstore [i-1] {s} p w0 mem)
  8837  	for {
  8838  		i := v.AuxInt
  8839  		s := v.Aux
  8840  		p := v.Args[0]
  8841  		w0 := v.Args[1]
  8842  		if w0.Op != OpS390XSRWconst {
  8843  			break
  8844  		}
  8845  		j := w0.AuxInt
  8846  		w := w0.Args[0]
  8847  		x := v.Args[2]
  8848  		if x.Op != OpS390XMOVBstore {
  8849  			break
  8850  		}
  8851  		if x.AuxInt != i-1 {
  8852  			break
  8853  		}
  8854  		if x.Aux != s {
  8855  			break
  8856  		}
  8857  		if p != x.Args[0] {
  8858  			break
  8859  		}
  8860  		x_1 := x.Args[1]
  8861  		if x_1.Op != OpS390XSRWconst {
  8862  			break
  8863  		}
  8864  		if x_1.AuxInt != j+8 {
  8865  			break
  8866  		}
  8867  		if w != x_1.Args[0] {
  8868  			break
  8869  		}
  8870  		mem := x.Args[2]
  8871  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8872  			break
  8873  		}
  8874  		v.reset(OpS390XMOVHstore)
  8875  		v.AuxInt = i - 1
  8876  		v.Aux = s
  8877  		v.AddArg(p)
  8878  		v.AddArg(w0)
  8879  		v.AddArg(mem)
  8880  		return true
  8881  	}
  8882  	// match: (MOVBstore [i] {s} p (SRDconst [8] w) x:(MOVBstore [i-1] {s} p w mem))
  8883  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8884  	// result: (MOVHBRstore [i-1] {s} p w mem)
  8885  	for {
  8886  		i := v.AuxInt
  8887  		s := v.Aux
  8888  		p := v.Args[0]
  8889  		v_1 := v.Args[1]
  8890  		if v_1.Op != OpS390XSRDconst {
  8891  			break
  8892  		}
  8893  		if v_1.AuxInt != 8 {
  8894  			break
  8895  		}
  8896  		w := v_1.Args[0]
  8897  		x := v.Args[2]
  8898  		if x.Op != OpS390XMOVBstore {
  8899  			break
  8900  		}
  8901  		if x.AuxInt != i-1 {
  8902  			break
  8903  		}
  8904  		if x.Aux != s {
  8905  			break
  8906  		}
  8907  		if p != x.Args[0] {
  8908  			break
  8909  		}
  8910  		if w != x.Args[1] {
  8911  			break
  8912  		}
  8913  		mem := x.Args[2]
  8914  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8915  			break
  8916  		}
  8917  		v.reset(OpS390XMOVHBRstore)
  8918  		v.AuxInt = i - 1
  8919  		v.Aux = s
  8920  		v.AddArg(p)
  8921  		v.AddArg(w)
  8922  		v.AddArg(mem)
  8923  		return true
  8924  	}
  8925  	// match: (MOVBstore [i] {s} p (SRDconst [j] w) x:(MOVBstore [i-1] {s} p w0:(SRDconst [j-8] w) mem))
  8926  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8927  	// result: (MOVHBRstore [i-1] {s} p w0 mem)
  8928  	for {
  8929  		i := v.AuxInt
  8930  		s := v.Aux
  8931  		p := v.Args[0]
  8932  		v_1 := v.Args[1]
  8933  		if v_1.Op != OpS390XSRDconst {
  8934  			break
  8935  		}
  8936  		j := v_1.AuxInt
  8937  		w := v_1.Args[0]
  8938  		x := v.Args[2]
  8939  		if x.Op != OpS390XMOVBstore {
  8940  			break
  8941  		}
  8942  		if x.AuxInt != i-1 {
  8943  			break
  8944  		}
  8945  		if x.Aux != s {
  8946  			break
  8947  		}
  8948  		if p != x.Args[0] {
  8949  			break
  8950  		}
  8951  		w0 := x.Args[1]
  8952  		if w0.Op != OpS390XSRDconst {
  8953  			break
  8954  		}
  8955  		if w0.AuxInt != j-8 {
  8956  			break
  8957  		}
  8958  		if w != w0.Args[0] {
  8959  			break
  8960  		}
  8961  		mem := x.Args[2]
  8962  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8963  			break
  8964  		}
  8965  		v.reset(OpS390XMOVHBRstore)
  8966  		v.AuxInt = i - 1
  8967  		v.Aux = s
  8968  		v.AddArg(p)
  8969  		v.AddArg(w0)
  8970  		v.AddArg(mem)
  8971  		return true
  8972  	}
  8973  	// match: (MOVBstore [i] {s} p (SRWconst [8] w) x:(MOVBstore [i-1] {s} p w mem))
  8974  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8975  	// result: (MOVHBRstore [i-1] {s} p w mem)
  8976  	for {
  8977  		i := v.AuxInt
  8978  		s := v.Aux
  8979  		p := v.Args[0]
  8980  		v_1 := v.Args[1]
  8981  		if v_1.Op != OpS390XSRWconst {
  8982  			break
  8983  		}
  8984  		if v_1.AuxInt != 8 {
  8985  			break
  8986  		}
  8987  		w := v_1.Args[0]
  8988  		x := v.Args[2]
  8989  		if x.Op != OpS390XMOVBstore {
  8990  			break
  8991  		}
  8992  		if x.AuxInt != i-1 {
  8993  			break
  8994  		}
  8995  		if x.Aux != s {
  8996  			break
  8997  		}
  8998  		if p != x.Args[0] {
  8999  			break
  9000  		}
  9001  		if w != x.Args[1] {
  9002  			break
  9003  		}
  9004  		mem := x.Args[2]
  9005  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  9006  			break
  9007  		}
  9008  		v.reset(OpS390XMOVHBRstore)
  9009  		v.AuxInt = i - 1
  9010  		v.Aux = s
  9011  		v.AddArg(p)
  9012  		v.AddArg(w)
  9013  		v.AddArg(mem)
  9014  		return true
  9015  	}
  9016  	// match: (MOVBstore [i] {s} p (SRWconst [j] w) x:(MOVBstore [i-1] {s} p w0:(SRWconst [j-8] w) mem))
  9017  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  9018  	// result: (MOVHBRstore [i-1] {s} p w0 mem)
  9019  	for {
  9020  		i := v.AuxInt
  9021  		s := v.Aux
  9022  		p := v.Args[0]
  9023  		v_1 := v.Args[1]
  9024  		if v_1.Op != OpS390XSRWconst {
  9025  			break
  9026  		}
  9027  		j := v_1.AuxInt
  9028  		w := v_1.Args[0]
  9029  		x := v.Args[2]
  9030  		if x.Op != OpS390XMOVBstore {
  9031  			break
  9032  		}
  9033  		if x.AuxInt != i-1 {
  9034  			break
  9035  		}
  9036  		if x.Aux != s {
  9037  			break
  9038  		}
  9039  		if p != x.Args[0] {
  9040  			break
  9041  		}
  9042  		w0 := x.Args[1]
  9043  		if w0.Op != OpS390XSRWconst {
  9044  			break
  9045  		}
  9046  		if w0.AuxInt != j-8 {
  9047  			break
  9048  		}
  9049  		if w != w0.Args[0] {
  9050  			break
  9051  		}
  9052  		mem := x.Args[2]
  9053  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  9054  			break
  9055  		}
  9056  		v.reset(OpS390XMOVHBRstore)
  9057  		v.AuxInt = i - 1
  9058  		v.Aux = s
  9059  		v.AddArg(p)
  9060  		v.AddArg(w0)
  9061  		v.AddArg(mem)
  9062  		return true
  9063  	}
  9064  	return false
  9065  }
  9066  func rewriteValueS390X_OpS390XMOVBstoreconst(v *Value, config *Config) bool {
  9067  	b := v.Block
  9068  	_ = b
  9069  	// match: (MOVBstoreconst [sc] {s} (ADDconst [off] ptr) mem)
  9070  	// cond: ValAndOff(sc).canAdd(off)
  9071  	// result: (MOVBstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
  9072  	for {
  9073  		sc := v.AuxInt
  9074  		s := v.Aux
  9075  		v_0 := v.Args[0]
  9076  		if v_0.Op != OpS390XADDconst {
  9077  			break
  9078  		}
  9079  		off := v_0.AuxInt
  9080  		ptr := v_0.Args[0]
  9081  		mem := v.Args[1]
  9082  		if !(ValAndOff(sc).canAdd(off)) {
  9083  			break
  9084  		}
  9085  		v.reset(OpS390XMOVBstoreconst)
  9086  		v.AuxInt = ValAndOff(sc).add(off)
  9087  		v.Aux = s
  9088  		v.AddArg(ptr)
  9089  		v.AddArg(mem)
  9090  		return true
  9091  	}
  9092  	// match: (MOVBstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
  9093  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
  9094  	// result: (MOVBstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
  9095  	for {
  9096  		sc := v.AuxInt
  9097  		sym1 := v.Aux
  9098  		v_0 := v.Args[0]
  9099  		if v_0.Op != OpS390XMOVDaddr {
  9100  			break
  9101  		}
  9102  		off := v_0.AuxInt
  9103  		sym2 := v_0.Aux
  9104  		ptr := v_0.Args[0]
  9105  		mem := v.Args[1]
  9106  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
  9107  			break
  9108  		}
  9109  		v.reset(OpS390XMOVBstoreconst)
  9110  		v.AuxInt = ValAndOff(sc).add(off)
  9111  		v.Aux = mergeSym(sym1, sym2)
  9112  		v.AddArg(ptr)
  9113  		v.AddArg(mem)
  9114  		return true
  9115  	}
  9116  	// match: (MOVBstoreconst [c] {s} p x:(MOVBstoreconst [a] {s} p mem))
  9117  	// cond: p.Op != OpSB   && x.Uses == 1   && ValAndOff(a).Off() + 1 == ValAndOff(c).Off()   && clobber(x)
  9118  	// result: (MOVHstoreconst [makeValAndOff(ValAndOff(c).Val()&0xff | ValAndOff(a).Val()<<8, ValAndOff(a).Off())] {s} p mem)
  9119  	for {
  9120  		c := v.AuxInt
  9121  		s := v.Aux
  9122  		p := v.Args[0]
  9123  		x := v.Args[1]
  9124  		if x.Op != OpS390XMOVBstoreconst {
  9125  			break
  9126  		}
  9127  		a := x.AuxInt
  9128  		if x.Aux != s {
  9129  			break
  9130  		}
  9131  		if p != x.Args[0] {
  9132  			break
  9133  		}
  9134  		mem := x.Args[1]
  9135  		if !(p.Op != OpSB && x.Uses == 1 && ValAndOff(a).Off()+1 == ValAndOff(c).Off() && clobber(x)) {
  9136  			break
  9137  		}
  9138  		v.reset(OpS390XMOVHstoreconst)
  9139  		v.AuxInt = makeValAndOff(ValAndOff(c).Val()&0xff|ValAndOff(a).Val()<<8, ValAndOff(a).Off())
  9140  		v.Aux = s
  9141  		v.AddArg(p)
  9142  		v.AddArg(mem)
  9143  		return true
  9144  	}
  9145  	return false
  9146  }
  9147  func rewriteValueS390X_OpS390XMOVBstoreidx(v *Value, config *Config) bool {
  9148  	b := v.Block
  9149  	_ = b
  9150  	// match: (MOVBstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
  9151  	// cond:
  9152  	// result: (MOVBstoreidx [c+d] {sym} ptr idx val mem)
  9153  	for {
  9154  		c := v.AuxInt
  9155  		sym := v.Aux
  9156  		v_0 := v.Args[0]
  9157  		if v_0.Op != OpS390XADDconst {
  9158  			break
  9159  		}
  9160  		d := v_0.AuxInt
  9161  		ptr := v_0.Args[0]
  9162  		idx := v.Args[1]
  9163  		val := v.Args[2]
  9164  		mem := v.Args[3]
  9165  		v.reset(OpS390XMOVBstoreidx)
  9166  		v.AuxInt = c + d
  9167  		v.Aux = sym
  9168  		v.AddArg(ptr)
  9169  		v.AddArg(idx)
  9170  		v.AddArg(val)
  9171  		v.AddArg(mem)
  9172  		return true
  9173  	}
  9174  	// match: (MOVBstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
  9175  	// cond:
  9176  	// result: (MOVBstoreidx [c+d] {sym} ptr idx val mem)
  9177  	for {
  9178  		c := v.AuxInt
  9179  		sym := v.Aux
  9180  		ptr := v.Args[0]
  9181  		v_1 := v.Args[1]
  9182  		if v_1.Op != OpS390XADDconst {
  9183  			break
  9184  		}
  9185  		d := v_1.AuxInt
  9186  		idx := v_1.Args[0]
  9187  		val := v.Args[2]
  9188  		mem := v.Args[3]
  9189  		v.reset(OpS390XMOVBstoreidx)
  9190  		v.AuxInt = c + d
  9191  		v.Aux = sym
  9192  		v.AddArg(ptr)
  9193  		v.AddArg(idx)
  9194  		v.AddArg(val)
  9195  		v.AddArg(mem)
  9196  		return true
  9197  	}
  9198  	// match: (MOVBstoreidx [i] {s} p idx w x:(MOVBstoreidx [i-1] {s} p idx (SRDconst [8] w) mem))
  9199  	// cond: x.Uses == 1   && clobber(x)
  9200  	// result: (MOVHstoreidx [i-1] {s} p idx w mem)
  9201  	for {
  9202  		i := v.AuxInt
  9203  		s := v.Aux
  9204  		p := v.Args[0]
  9205  		idx := v.Args[1]
  9206  		w := v.Args[2]
  9207  		x := v.Args[3]
  9208  		if x.Op != OpS390XMOVBstoreidx {
  9209  			break
  9210  		}
  9211  		if x.AuxInt != i-1 {
  9212  			break
  9213  		}
  9214  		if x.Aux != s {
  9215  			break
  9216  		}
  9217  		if p != x.Args[0] {
  9218  			break
  9219  		}
  9220  		if idx != x.Args[1] {
  9221  			break
  9222  		}
  9223  		x_2 := x.Args[2]
  9224  		if x_2.Op != OpS390XSRDconst {
  9225  			break
  9226  		}
  9227  		if x_2.AuxInt != 8 {
  9228  			break
  9229  		}
  9230  		if w != x_2.Args[0] {
  9231  			break
  9232  		}
  9233  		mem := x.Args[3]
  9234  		if !(x.Uses == 1 && clobber(x)) {
  9235  			break
  9236  		}
  9237  		v.reset(OpS390XMOVHstoreidx)
  9238  		v.AuxInt = i - 1
  9239  		v.Aux = s
  9240  		v.AddArg(p)
  9241  		v.AddArg(idx)
  9242  		v.AddArg(w)
  9243  		v.AddArg(mem)
  9244  		return true
  9245  	}
  9246  	// match: (MOVBstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx (SRDconst [j+8] w) mem))
  9247  	// cond: x.Uses == 1   && clobber(x)
  9248  	// result: (MOVHstoreidx [i-1] {s} p idx w0 mem)
  9249  	for {
  9250  		i := v.AuxInt
  9251  		s := v.Aux
  9252  		p := v.Args[0]
  9253  		idx := v.Args[1]
  9254  		w0 := v.Args[2]
  9255  		if w0.Op != OpS390XSRDconst {
  9256  			break
  9257  		}
  9258  		j := w0.AuxInt
  9259  		w := w0.Args[0]
  9260  		x := v.Args[3]
  9261  		if x.Op != OpS390XMOVBstoreidx {
  9262  			break
  9263  		}
  9264  		if x.AuxInt != i-1 {
  9265  			break
  9266  		}
  9267  		if x.Aux != s {
  9268  			break
  9269  		}
  9270  		if p != x.Args[0] {
  9271  			break
  9272  		}
  9273  		if idx != x.Args[1] {
  9274  			break
  9275  		}
  9276  		x_2 := x.Args[2]
  9277  		if x_2.Op != OpS390XSRDconst {
  9278  			break
  9279  		}
  9280  		if x_2.AuxInt != j+8 {
  9281  			break
  9282  		}
  9283  		if w != x_2.Args[0] {
  9284  			break
  9285  		}
  9286  		mem := x.Args[3]
  9287  		if !(x.Uses == 1 && clobber(x)) {
  9288  			break
  9289  		}
  9290  		v.reset(OpS390XMOVHstoreidx)
  9291  		v.AuxInt = i - 1
  9292  		v.Aux = s
  9293  		v.AddArg(p)
  9294  		v.AddArg(idx)
  9295  		v.AddArg(w0)
  9296  		v.AddArg(mem)
  9297  		return true
  9298  	}
  9299  	// match: (MOVBstoreidx [i] {s} p idx w x:(MOVBstoreidx [i-1] {s} p idx (SRWconst [8] w) mem))
  9300  	// cond: x.Uses == 1   && clobber(x)
  9301  	// result: (MOVHstoreidx [i-1] {s} p idx w mem)
  9302  	for {
  9303  		i := v.AuxInt
  9304  		s := v.Aux
  9305  		p := v.Args[0]
  9306  		idx := v.Args[1]
  9307  		w := v.Args[2]
  9308  		x := v.Args[3]
  9309  		if x.Op != OpS390XMOVBstoreidx {
  9310  			break
  9311  		}
  9312  		if x.AuxInt != i-1 {
  9313  			break
  9314  		}
  9315  		if x.Aux != s {
  9316  			break
  9317  		}
  9318  		if p != x.Args[0] {
  9319  			break
  9320  		}
  9321  		if idx != x.Args[1] {
  9322  			break
  9323  		}
  9324  		x_2 := x.Args[2]
  9325  		if x_2.Op != OpS390XSRWconst {
  9326  			break
  9327  		}
  9328  		if x_2.AuxInt != 8 {
  9329  			break
  9330  		}
  9331  		if w != x_2.Args[0] {
  9332  			break
  9333  		}
  9334  		mem := x.Args[3]
  9335  		if !(x.Uses == 1 && clobber(x)) {
  9336  			break
  9337  		}
  9338  		v.reset(OpS390XMOVHstoreidx)
  9339  		v.AuxInt = i - 1
  9340  		v.Aux = s
  9341  		v.AddArg(p)
  9342  		v.AddArg(idx)
  9343  		v.AddArg(w)
  9344  		v.AddArg(mem)
  9345  		return true
  9346  	}
  9347  	// match: (MOVBstoreidx [i] {s} p idx w0:(SRWconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx (SRWconst [j+8] w) mem))
  9348  	// cond: x.Uses == 1   && clobber(x)
  9349  	// result: (MOVHstoreidx [i-1] {s} p idx w0 mem)
  9350  	for {
  9351  		i := v.AuxInt
  9352  		s := v.Aux
  9353  		p := v.Args[0]
  9354  		idx := v.Args[1]
  9355  		w0 := v.Args[2]
  9356  		if w0.Op != OpS390XSRWconst {
  9357  			break
  9358  		}
  9359  		j := w0.AuxInt
  9360  		w := w0.Args[0]
  9361  		x := v.Args[3]
  9362  		if x.Op != OpS390XMOVBstoreidx {
  9363  			break
  9364  		}
  9365  		if x.AuxInt != i-1 {
  9366  			break
  9367  		}
  9368  		if x.Aux != s {
  9369  			break
  9370  		}
  9371  		if p != x.Args[0] {
  9372  			break
  9373  		}
  9374  		if idx != x.Args[1] {
  9375  			break
  9376  		}
  9377  		x_2 := x.Args[2]
  9378  		if x_2.Op != OpS390XSRWconst {
  9379  			break
  9380  		}
  9381  		if x_2.AuxInt != j+8 {
  9382  			break
  9383  		}
  9384  		if w != x_2.Args[0] {
  9385  			break
  9386  		}
  9387  		mem := x.Args[3]
  9388  		if !(x.Uses == 1 && clobber(x)) {
  9389  			break
  9390  		}
  9391  		v.reset(OpS390XMOVHstoreidx)
  9392  		v.AuxInt = i - 1
  9393  		v.Aux = s
  9394  		v.AddArg(p)
  9395  		v.AddArg(idx)
  9396  		v.AddArg(w0)
  9397  		v.AddArg(mem)
  9398  		return true
  9399  	}
  9400  	// match: (MOVBstoreidx [i] {s} p idx (SRDconst [8] w) x:(MOVBstoreidx [i-1] {s} p idx w mem))
  9401  	// cond: x.Uses == 1   && clobber(x)
  9402  	// result: (MOVHBRstoreidx [i-1] {s} p idx w mem)
  9403  	for {
  9404  		i := v.AuxInt
  9405  		s := v.Aux
  9406  		p := v.Args[0]
  9407  		idx := v.Args[1]
  9408  		v_2 := v.Args[2]
  9409  		if v_2.Op != OpS390XSRDconst {
  9410  			break
  9411  		}
  9412  		if v_2.AuxInt != 8 {
  9413  			break
  9414  		}
  9415  		w := v_2.Args[0]
  9416  		x := v.Args[3]
  9417  		if x.Op != OpS390XMOVBstoreidx {
  9418  			break
  9419  		}
  9420  		if x.AuxInt != i-1 {
  9421  			break
  9422  		}
  9423  		if x.Aux != s {
  9424  			break
  9425  		}
  9426  		if p != x.Args[0] {
  9427  			break
  9428  		}
  9429  		if idx != x.Args[1] {
  9430  			break
  9431  		}
  9432  		if w != x.Args[2] {
  9433  			break
  9434  		}
  9435  		mem := x.Args[3]
  9436  		if !(x.Uses == 1 && clobber(x)) {
  9437  			break
  9438  		}
  9439  		v.reset(OpS390XMOVHBRstoreidx)
  9440  		v.AuxInt = i - 1
  9441  		v.Aux = s
  9442  		v.AddArg(p)
  9443  		v.AddArg(idx)
  9444  		v.AddArg(w)
  9445  		v.AddArg(mem)
  9446  		return true
  9447  	}
  9448  	// match: (MOVBstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx w0:(SRDconst [j-8] w) mem))
  9449  	// cond: x.Uses == 1   && clobber(x)
  9450  	// result: (MOVHBRstoreidx [i-1] {s} p idx w0 mem)
  9451  	for {
  9452  		i := v.AuxInt
  9453  		s := v.Aux
  9454  		p := v.Args[0]
  9455  		idx := v.Args[1]
  9456  		v_2 := v.Args[2]
  9457  		if v_2.Op != OpS390XSRDconst {
  9458  			break
  9459  		}
  9460  		j := v_2.AuxInt
  9461  		w := v_2.Args[0]
  9462  		x := v.Args[3]
  9463  		if x.Op != OpS390XMOVBstoreidx {
  9464  			break
  9465  		}
  9466  		if x.AuxInt != i-1 {
  9467  			break
  9468  		}
  9469  		if x.Aux != s {
  9470  			break
  9471  		}
  9472  		if p != x.Args[0] {
  9473  			break
  9474  		}
  9475  		if idx != x.Args[1] {
  9476  			break
  9477  		}
  9478  		w0 := x.Args[2]
  9479  		if w0.Op != OpS390XSRDconst {
  9480  			break
  9481  		}
  9482  		if w0.AuxInt != j-8 {
  9483  			break
  9484  		}
  9485  		if w != w0.Args[0] {
  9486  			break
  9487  		}
  9488  		mem := x.Args[3]
  9489  		if !(x.Uses == 1 && clobber(x)) {
  9490  			break
  9491  		}
  9492  		v.reset(OpS390XMOVHBRstoreidx)
  9493  		v.AuxInt = i - 1
  9494  		v.Aux = s
  9495  		v.AddArg(p)
  9496  		v.AddArg(idx)
  9497  		v.AddArg(w0)
  9498  		v.AddArg(mem)
  9499  		return true
  9500  	}
  9501  	// match: (MOVBstoreidx [i] {s} p idx (SRWconst [8] w) x:(MOVBstoreidx [i-1] {s} p idx w mem))
  9502  	// cond: x.Uses == 1   && clobber(x)
  9503  	// result: (MOVHBRstoreidx [i-1] {s} p idx w mem)
  9504  	for {
  9505  		i := v.AuxInt
  9506  		s := v.Aux
  9507  		p := v.Args[0]
  9508  		idx := v.Args[1]
  9509  		v_2 := v.Args[2]
  9510  		if v_2.Op != OpS390XSRWconst {
  9511  			break
  9512  		}
  9513  		if v_2.AuxInt != 8 {
  9514  			break
  9515  		}
  9516  		w := v_2.Args[0]
  9517  		x := v.Args[3]
  9518  		if x.Op != OpS390XMOVBstoreidx {
  9519  			break
  9520  		}
  9521  		if x.AuxInt != i-1 {
  9522  			break
  9523  		}
  9524  		if x.Aux != s {
  9525  			break
  9526  		}
  9527  		if p != x.Args[0] {
  9528  			break
  9529  		}
  9530  		if idx != x.Args[1] {
  9531  			break
  9532  		}
  9533  		if w != x.Args[2] {
  9534  			break
  9535  		}
  9536  		mem := x.Args[3]
  9537  		if !(x.Uses == 1 && clobber(x)) {
  9538  			break
  9539  		}
  9540  		v.reset(OpS390XMOVHBRstoreidx)
  9541  		v.AuxInt = i - 1
  9542  		v.Aux = s
  9543  		v.AddArg(p)
  9544  		v.AddArg(idx)
  9545  		v.AddArg(w)
  9546  		v.AddArg(mem)
  9547  		return true
  9548  	}
  9549  	// match: (MOVBstoreidx [i] {s} p idx (SRWconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx w0:(SRWconst [j-8] w) mem))
  9550  	// cond: x.Uses == 1   && clobber(x)
  9551  	// result: (MOVHBRstoreidx [i-1] {s} p idx w0 mem)
  9552  	for {
  9553  		i := v.AuxInt
  9554  		s := v.Aux
  9555  		p := v.Args[0]
  9556  		idx := v.Args[1]
  9557  		v_2 := v.Args[2]
  9558  		if v_2.Op != OpS390XSRWconst {
  9559  			break
  9560  		}
  9561  		j := v_2.AuxInt
  9562  		w := v_2.Args[0]
  9563  		x := v.Args[3]
  9564  		if x.Op != OpS390XMOVBstoreidx {
  9565  			break
  9566  		}
  9567  		if x.AuxInt != i-1 {
  9568  			break
  9569  		}
  9570  		if x.Aux != s {
  9571  			break
  9572  		}
  9573  		if p != x.Args[0] {
  9574  			break
  9575  		}
  9576  		if idx != x.Args[1] {
  9577  			break
  9578  		}
  9579  		w0 := x.Args[2]
  9580  		if w0.Op != OpS390XSRWconst {
  9581  			break
  9582  		}
  9583  		if w0.AuxInt != j-8 {
  9584  			break
  9585  		}
  9586  		if w != w0.Args[0] {
  9587  			break
  9588  		}
  9589  		mem := x.Args[3]
  9590  		if !(x.Uses == 1 && clobber(x)) {
  9591  			break
  9592  		}
  9593  		v.reset(OpS390XMOVHBRstoreidx)
  9594  		v.AuxInt = i - 1
  9595  		v.Aux = s
  9596  		v.AddArg(p)
  9597  		v.AddArg(idx)
  9598  		v.AddArg(w0)
  9599  		v.AddArg(mem)
  9600  		return true
  9601  	}
  9602  	return false
  9603  }
  9604  func rewriteValueS390X_OpS390XMOVDEQ(v *Value, config *Config) bool {
  9605  	b := v.Block
  9606  	_ = b
  9607  	// match: (MOVDEQ x y (InvertFlags cmp))
  9608  	// cond:
  9609  	// result: (MOVDEQ x y cmp)
  9610  	for {
  9611  		x := v.Args[0]
  9612  		y := v.Args[1]
  9613  		v_2 := v.Args[2]
  9614  		if v_2.Op != OpS390XInvertFlags {
  9615  			break
  9616  		}
  9617  		cmp := v_2.Args[0]
  9618  		v.reset(OpS390XMOVDEQ)
  9619  		v.AddArg(x)
  9620  		v.AddArg(y)
  9621  		v.AddArg(cmp)
  9622  		return true
  9623  	}
  9624  	// match: (MOVDEQ _ x (FlagEQ))
  9625  	// cond:
  9626  	// result: x
  9627  	for {
  9628  		x := v.Args[1]
  9629  		v_2 := v.Args[2]
  9630  		if v_2.Op != OpS390XFlagEQ {
  9631  			break
  9632  		}
  9633  		v.reset(OpCopy)
  9634  		v.Type = x.Type
  9635  		v.AddArg(x)
  9636  		return true
  9637  	}
  9638  	// match: (MOVDEQ y _ (FlagLT))
  9639  	// cond:
  9640  	// result: y
  9641  	for {
  9642  		y := v.Args[0]
  9643  		v_2 := v.Args[2]
  9644  		if v_2.Op != OpS390XFlagLT {
  9645  			break
  9646  		}
  9647  		v.reset(OpCopy)
  9648  		v.Type = y.Type
  9649  		v.AddArg(y)
  9650  		return true
  9651  	}
  9652  	// match: (MOVDEQ y _ (FlagGT))
  9653  	// cond:
  9654  	// result: y
  9655  	for {
  9656  		y := v.Args[0]
  9657  		v_2 := v.Args[2]
  9658  		if v_2.Op != OpS390XFlagGT {
  9659  			break
  9660  		}
  9661  		v.reset(OpCopy)
  9662  		v.Type = y.Type
  9663  		v.AddArg(y)
  9664  		return true
  9665  	}
  9666  	return false
  9667  }
  9668  func rewriteValueS390X_OpS390XMOVDGE(v *Value, config *Config) bool {
  9669  	b := v.Block
  9670  	_ = b
  9671  	// match: (MOVDGE x y (InvertFlags cmp))
  9672  	// cond:
  9673  	// result: (MOVDLE x y cmp)
  9674  	for {
  9675  		x := v.Args[0]
  9676  		y := v.Args[1]
  9677  		v_2 := v.Args[2]
  9678  		if v_2.Op != OpS390XInvertFlags {
  9679  			break
  9680  		}
  9681  		cmp := v_2.Args[0]
  9682  		v.reset(OpS390XMOVDLE)
  9683  		v.AddArg(x)
  9684  		v.AddArg(y)
  9685  		v.AddArg(cmp)
  9686  		return true
  9687  	}
  9688  	// match: (MOVDGE _ x (FlagEQ))
  9689  	// cond:
  9690  	// result: x
  9691  	for {
  9692  		x := v.Args[1]
  9693  		v_2 := v.Args[2]
  9694  		if v_2.Op != OpS390XFlagEQ {
  9695  			break
  9696  		}
  9697  		v.reset(OpCopy)
  9698  		v.Type = x.Type
  9699  		v.AddArg(x)
  9700  		return true
  9701  	}
  9702  	// match: (MOVDGE y _ (FlagLT))
  9703  	// cond:
  9704  	// result: y
  9705  	for {
  9706  		y := v.Args[0]
  9707  		v_2 := v.Args[2]
  9708  		if v_2.Op != OpS390XFlagLT {
  9709  			break
  9710  		}
  9711  		v.reset(OpCopy)
  9712  		v.Type = y.Type
  9713  		v.AddArg(y)
  9714  		return true
  9715  	}
  9716  	// match: (MOVDGE _ x (FlagGT))
  9717  	// cond:
  9718  	// result: x
  9719  	for {
  9720  		x := v.Args[1]
  9721  		v_2 := v.Args[2]
  9722  		if v_2.Op != OpS390XFlagGT {
  9723  			break
  9724  		}
  9725  		v.reset(OpCopy)
  9726  		v.Type = x.Type
  9727  		v.AddArg(x)
  9728  		return true
  9729  	}
  9730  	return false
  9731  }
  9732  func rewriteValueS390X_OpS390XMOVDGT(v *Value, config *Config) bool {
  9733  	b := v.Block
  9734  	_ = b
  9735  	// match: (MOVDGT x y (InvertFlags cmp))
  9736  	// cond:
  9737  	// result: (MOVDLT x y cmp)
  9738  	for {
  9739  		x := v.Args[0]
  9740  		y := v.Args[1]
  9741  		v_2 := v.Args[2]
  9742  		if v_2.Op != OpS390XInvertFlags {
  9743  			break
  9744  		}
  9745  		cmp := v_2.Args[0]
  9746  		v.reset(OpS390XMOVDLT)
  9747  		v.AddArg(x)
  9748  		v.AddArg(y)
  9749  		v.AddArg(cmp)
  9750  		return true
  9751  	}
  9752  	// match: (MOVDGT y _ (FlagEQ))
  9753  	// cond:
  9754  	// result: y
  9755  	for {
  9756  		y := v.Args[0]
  9757  		v_2 := v.Args[2]
  9758  		if v_2.Op != OpS390XFlagEQ {
  9759  			break
  9760  		}
  9761  		v.reset(OpCopy)
  9762  		v.Type = y.Type
  9763  		v.AddArg(y)
  9764  		return true
  9765  	}
  9766  	// match: (MOVDGT y _ (FlagLT))
  9767  	// cond:
  9768  	// result: y
  9769  	for {
  9770  		y := v.Args[0]
  9771  		v_2 := v.Args[2]
  9772  		if v_2.Op != OpS390XFlagLT {
  9773  			break
  9774  		}
  9775  		v.reset(OpCopy)
  9776  		v.Type = y.Type
  9777  		v.AddArg(y)
  9778  		return true
  9779  	}
  9780  	// match: (MOVDGT _ x (FlagGT))
  9781  	// cond:
  9782  	// result: x
  9783  	for {
  9784  		x := v.Args[1]
  9785  		v_2 := v.Args[2]
  9786  		if v_2.Op != OpS390XFlagGT {
  9787  			break
  9788  		}
  9789  		v.reset(OpCopy)
  9790  		v.Type = x.Type
  9791  		v.AddArg(x)
  9792  		return true
  9793  	}
  9794  	return false
  9795  }
  9796  func rewriteValueS390X_OpS390XMOVDLE(v *Value, config *Config) bool {
  9797  	b := v.Block
  9798  	_ = b
  9799  	// match: (MOVDLE x y (InvertFlags cmp))
  9800  	// cond:
  9801  	// result: (MOVDGE x y cmp)
  9802  	for {
  9803  		x := v.Args[0]
  9804  		y := v.Args[1]
  9805  		v_2 := v.Args[2]
  9806  		if v_2.Op != OpS390XInvertFlags {
  9807  			break
  9808  		}
  9809  		cmp := v_2.Args[0]
  9810  		v.reset(OpS390XMOVDGE)
  9811  		v.AddArg(x)
  9812  		v.AddArg(y)
  9813  		v.AddArg(cmp)
  9814  		return true
  9815  	}
  9816  	// match: (MOVDLE _ x (FlagEQ))
  9817  	// cond:
  9818  	// result: x
  9819  	for {
  9820  		x := v.Args[1]
  9821  		v_2 := v.Args[2]
  9822  		if v_2.Op != OpS390XFlagEQ {
  9823  			break
  9824  		}
  9825  		v.reset(OpCopy)
  9826  		v.Type = x.Type
  9827  		v.AddArg(x)
  9828  		return true
  9829  	}
  9830  	// match: (MOVDLE _ x (FlagLT))
  9831  	// cond:
  9832  	// result: x
  9833  	for {
  9834  		x := v.Args[1]
  9835  		v_2 := v.Args[2]
  9836  		if v_2.Op != OpS390XFlagLT {
  9837  			break
  9838  		}
  9839  		v.reset(OpCopy)
  9840  		v.Type = x.Type
  9841  		v.AddArg(x)
  9842  		return true
  9843  	}
  9844  	// match: (MOVDLE y _ (FlagGT))
  9845  	// cond:
  9846  	// result: y
  9847  	for {
  9848  		y := v.Args[0]
  9849  		v_2 := v.Args[2]
  9850  		if v_2.Op != OpS390XFlagGT {
  9851  			break
  9852  		}
  9853  		v.reset(OpCopy)
  9854  		v.Type = y.Type
  9855  		v.AddArg(y)
  9856  		return true
  9857  	}
  9858  	return false
  9859  }
  9860  func rewriteValueS390X_OpS390XMOVDLT(v *Value, config *Config) bool {
  9861  	b := v.Block
  9862  	_ = b
  9863  	// match: (MOVDLT x y (InvertFlags cmp))
  9864  	// cond:
  9865  	// result: (MOVDGT x y cmp)
  9866  	for {
  9867  		x := v.Args[0]
  9868  		y := v.Args[1]
  9869  		v_2 := v.Args[2]
  9870  		if v_2.Op != OpS390XInvertFlags {
  9871  			break
  9872  		}
  9873  		cmp := v_2.Args[0]
  9874  		v.reset(OpS390XMOVDGT)
  9875  		v.AddArg(x)
  9876  		v.AddArg(y)
  9877  		v.AddArg(cmp)
  9878  		return true
  9879  	}
  9880  	// match: (MOVDLT y _ (FlagEQ))
  9881  	// cond:
  9882  	// result: y
  9883  	for {
  9884  		y := v.Args[0]
  9885  		v_2 := v.Args[2]
  9886  		if v_2.Op != OpS390XFlagEQ {
  9887  			break
  9888  		}
  9889  		v.reset(OpCopy)
  9890  		v.Type = y.Type
  9891  		v.AddArg(y)
  9892  		return true
  9893  	}
  9894  	// match: (MOVDLT _ x (FlagLT))
  9895  	// cond:
  9896  	// result: x
  9897  	for {
  9898  		x := v.Args[1]
  9899  		v_2 := v.Args[2]
  9900  		if v_2.Op != OpS390XFlagLT {
  9901  			break
  9902  		}
  9903  		v.reset(OpCopy)
  9904  		v.Type = x.Type
  9905  		v.AddArg(x)
  9906  		return true
  9907  	}
  9908  	// match: (MOVDLT y _ (FlagGT))
  9909  	// cond:
  9910  	// result: y
  9911  	for {
  9912  		y := v.Args[0]
  9913  		v_2 := v.Args[2]
  9914  		if v_2.Op != OpS390XFlagGT {
  9915  			break
  9916  		}
  9917  		v.reset(OpCopy)
  9918  		v.Type = y.Type
  9919  		v.AddArg(y)
  9920  		return true
  9921  	}
  9922  	return false
  9923  }
  9924  func rewriteValueS390X_OpS390XMOVDNE(v *Value, config *Config) bool {
  9925  	b := v.Block
  9926  	_ = b
  9927  	// match: (MOVDNE x y (InvertFlags cmp))
  9928  	// cond:
  9929  	// result: (MOVDNE x y cmp)
  9930  	for {
  9931  		x := v.Args[0]
  9932  		y := v.Args[1]
  9933  		v_2 := v.Args[2]
  9934  		if v_2.Op != OpS390XInvertFlags {
  9935  			break
  9936  		}
  9937  		cmp := v_2.Args[0]
  9938  		v.reset(OpS390XMOVDNE)
  9939  		v.AddArg(x)
  9940  		v.AddArg(y)
  9941  		v.AddArg(cmp)
  9942  		return true
  9943  	}
  9944  	// match: (MOVDNE y _ (FlagEQ))
  9945  	// cond:
  9946  	// result: y
  9947  	for {
  9948  		y := v.Args[0]
  9949  		v_2 := v.Args[2]
  9950  		if v_2.Op != OpS390XFlagEQ {
  9951  			break
  9952  		}
  9953  		v.reset(OpCopy)
  9954  		v.Type = y.Type
  9955  		v.AddArg(y)
  9956  		return true
  9957  	}
  9958  	// match: (MOVDNE _ x (FlagLT))
  9959  	// cond:
  9960  	// result: x
  9961  	for {
  9962  		x := v.Args[1]
  9963  		v_2 := v.Args[2]
  9964  		if v_2.Op != OpS390XFlagLT {
  9965  			break
  9966  		}
  9967  		v.reset(OpCopy)
  9968  		v.Type = x.Type
  9969  		v.AddArg(x)
  9970  		return true
  9971  	}
  9972  	// match: (MOVDNE _ x (FlagGT))
  9973  	// cond:
  9974  	// result: x
  9975  	for {
  9976  		x := v.Args[1]
  9977  		v_2 := v.Args[2]
  9978  		if v_2.Op != OpS390XFlagGT {
  9979  			break
  9980  		}
  9981  		v.reset(OpCopy)
  9982  		v.Type = x.Type
  9983  		v.AddArg(x)
  9984  		return true
  9985  	}
  9986  	return false
  9987  }
  9988  func rewriteValueS390X_OpS390XMOVDaddridx(v *Value, config *Config) bool {
  9989  	b := v.Block
  9990  	_ = b
  9991  	// match: (MOVDaddridx [c] {s} (ADDconst [d] x) y)
  9992  	// cond: is20Bit(c+d) && x.Op != OpSB
  9993  	// result: (MOVDaddridx [c+d] {s} x y)
  9994  	for {
  9995  		c := v.AuxInt
  9996  		s := v.Aux
  9997  		v_0 := v.Args[0]
  9998  		if v_0.Op != OpS390XADDconst {
  9999  			break
 10000  		}
 10001  		d := v_0.AuxInt
 10002  		x := v_0.Args[0]
 10003  		y := v.Args[1]
 10004  		if !(is20Bit(c+d) && x.Op != OpSB) {
 10005  			break
 10006  		}
 10007  		v.reset(OpS390XMOVDaddridx)
 10008  		v.AuxInt = c + d
 10009  		v.Aux = s
 10010  		v.AddArg(x)
 10011  		v.AddArg(y)
 10012  		return true
 10013  	}
 10014  	// match: (MOVDaddridx [c] {s} x (ADDconst [d] y))
 10015  	// cond: is20Bit(c+d) && y.Op != OpSB
 10016  	// result: (MOVDaddridx [c+d] {s} x y)
 10017  	for {
 10018  		c := v.AuxInt
 10019  		s := v.Aux
 10020  		x := v.Args[0]
 10021  		v_1 := v.Args[1]
 10022  		if v_1.Op != OpS390XADDconst {
 10023  			break
 10024  		}
 10025  		d := v_1.AuxInt
 10026  		y := v_1.Args[0]
 10027  		if !(is20Bit(c+d) && y.Op != OpSB) {
 10028  			break
 10029  		}
 10030  		v.reset(OpS390XMOVDaddridx)
 10031  		v.AuxInt = c + d
 10032  		v.Aux = s
 10033  		v.AddArg(x)
 10034  		v.AddArg(y)
 10035  		return true
 10036  	}
 10037  	// match: (MOVDaddridx [off1] {sym1} (MOVDaddr [off2] {sym2} x) y)
 10038  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2) && x.Op != OpSB
 10039  	// result: (MOVDaddridx [off1+off2] {mergeSym(sym1,sym2)} x y)
 10040  	for {
 10041  		off1 := v.AuxInt
 10042  		sym1 := v.Aux
 10043  		v_0 := v.Args[0]
 10044  		if v_0.Op != OpS390XMOVDaddr {
 10045  			break
 10046  		}
 10047  		off2 := v_0.AuxInt
 10048  		sym2 := v_0.Aux
 10049  		x := v_0.Args[0]
 10050  		y := v.Args[1]
 10051  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
 10052  			break
 10053  		}
 10054  		v.reset(OpS390XMOVDaddridx)
 10055  		v.AuxInt = off1 + off2
 10056  		v.Aux = mergeSym(sym1, sym2)
 10057  		v.AddArg(x)
 10058  		v.AddArg(y)
 10059  		return true
 10060  	}
 10061  	// match: (MOVDaddridx [off1] {sym1} x (MOVDaddr [off2] {sym2} y))
 10062  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2) && y.Op != OpSB
 10063  	// result: (MOVDaddridx [off1+off2] {mergeSym(sym1,sym2)} x y)
 10064  	for {
 10065  		off1 := v.AuxInt
 10066  		sym1 := v.Aux
 10067  		x := v.Args[0]
 10068  		v_1 := v.Args[1]
 10069  		if v_1.Op != OpS390XMOVDaddr {
 10070  			break
 10071  		}
 10072  		off2 := v_1.AuxInt
 10073  		sym2 := v_1.Aux
 10074  		y := v_1.Args[0]
 10075  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2) && y.Op != OpSB) {
 10076  			break
 10077  		}
 10078  		v.reset(OpS390XMOVDaddridx)
 10079  		v.AuxInt = off1 + off2
 10080  		v.Aux = mergeSym(sym1, sym2)
 10081  		v.AddArg(x)
 10082  		v.AddArg(y)
 10083  		return true
 10084  	}
 10085  	return false
 10086  }
 10087  func rewriteValueS390X_OpS390XMOVDload(v *Value, config *Config) bool {
 10088  	b := v.Block
 10089  	_ = b
 10090  	// match: (MOVDload [off] {sym} ptr (MOVDstore [off2] {sym2} ptr2 x _))
 10091  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 10092  	// result: (MOVDreg x)
 10093  	for {
 10094  		off := v.AuxInt
 10095  		sym := v.Aux
 10096  		ptr := v.Args[0]
 10097  		v_1 := v.Args[1]
 10098  		if v_1.Op != OpS390XMOVDstore {
 10099  			break
 10100  		}
 10101  		off2 := v_1.AuxInt
 10102  		sym2 := v_1.Aux
 10103  		ptr2 := v_1.Args[0]
 10104  		x := v_1.Args[1]
 10105  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 10106  			break
 10107  		}
 10108  		v.reset(OpS390XMOVDreg)
 10109  		v.AddArg(x)
 10110  		return true
 10111  	}
 10112  	// match: (MOVDload   [off1] {sym} (ADDconst [off2] ptr) mem)
 10113  	// cond: is20Bit(off1+off2)
 10114  	// result: (MOVDload  [off1+off2] {sym} ptr mem)
 10115  	for {
 10116  		off1 := v.AuxInt
 10117  		sym := v.Aux
 10118  		v_0 := v.Args[0]
 10119  		if v_0.Op != OpS390XADDconst {
 10120  			break
 10121  		}
 10122  		off2 := v_0.AuxInt
 10123  		ptr := v_0.Args[0]
 10124  		mem := v.Args[1]
 10125  		if !(is20Bit(off1 + off2)) {
 10126  			break
 10127  		}
 10128  		v.reset(OpS390XMOVDload)
 10129  		v.AuxInt = off1 + off2
 10130  		v.Aux = sym
 10131  		v.AddArg(ptr)
 10132  		v.AddArg(mem)
 10133  		return true
 10134  	}
 10135  	// match: (MOVDload  [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 10136  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 10137  	// result: (MOVDload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
 10138  	for {
 10139  		off1 := v.AuxInt
 10140  		sym1 := v.Aux
 10141  		v_0 := v.Args[0]
 10142  		if v_0.Op != OpS390XMOVDaddr {
 10143  			break
 10144  		}
 10145  		off2 := v_0.AuxInt
 10146  		sym2 := v_0.Aux
 10147  		base := v_0.Args[0]
 10148  		mem := v.Args[1]
 10149  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 10150  			break
 10151  		}
 10152  		v.reset(OpS390XMOVDload)
 10153  		v.AuxInt = off1 + off2
 10154  		v.Aux = mergeSym(sym1, sym2)
 10155  		v.AddArg(base)
 10156  		v.AddArg(mem)
 10157  		return true
 10158  	}
 10159  	// match: (MOVDload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
 10160  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 10161  	// result: (MOVDloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
 10162  	for {
 10163  		off1 := v.AuxInt
 10164  		sym1 := v.Aux
 10165  		v_0 := v.Args[0]
 10166  		if v_0.Op != OpS390XMOVDaddridx {
 10167  			break
 10168  		}
 10169  		off2 := v_0.AuxInt
 10170  		sym2 := v_0.Aux
 10171  		ptr := v_0.Args[0]
 10172  		idx := v_0.Args[1]
 10173  		mem := v.Args[1]
 10174  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 10175  			break
 10176  		}
 10177  		v.reset(OpS390XMOVDloadidx)
 10178  		v.AuxInt = off1 + off2
 10179  		v.Aux = mergeSym(sym1, sym2)
 10180  		v.AddArg(ptr)
 10181  		v.AddArg(idx)
 10182  		v.AddArg(mem)
 10183  		return true
 10184  	}
 10185  	// match: (MOVDload [off] {sym} (ADD ptr idx) mem)
 10186  	// cond: ptr.Op != OpSB
 10187  	// result: (MOVDloadidx [off] {sym} ptr idx mem)
 10188  	for {
 10189  		off := v.AuxInt
 10190  		sym := v.Aux
 10191  		v_0 := v.Args[0]
 10192  		if v_0.Op != OpS390XADD {
 10193  			break
 10194  		}
 10195  		ptr := v_0.Args[0]
 10196  		idx := v_0.Args[1]
 10197  		mem := v.Args[1]
 10198  		if !(ptr.Op != OpSB) {
 10199  			break
 10200  		}
 10201  		v.reset(OpS390XMOVDloadidx)
 10202  		v.AuxInt = off
 10203  		v.Aux = sym
 10204  		v.AddArg(ptr)
 10205  		v.AddArg(idx)
 10206  		v.AddArg(mem)
 10207  		return true
 10208  	}
 10209  	return false
 10210  }
 10211  func rewriteValueS390X_OpS390XMOVDloadidx(v *Value, config *Config) bool {
 10212  	b := v.Block
 10213  	_ = b
 10214  	// match: (MOVDloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
 10215  	// cond:
 10216  	// result: (MOVDloadidx [c+d] {sym} ptr idx mem)
 10217  	for {
 10218  		c := v.AuxInt
 10219  		sym := v.Aux
 10220  		v_0 := v.Args[0]
 10221  		if v_0.Op != OpS390XADDconst {
 10222  			break
 10223  		}
 10224  		d := v_0.AuxInt
 10225  		ptr := v_0.Args[0]
 10226  		idx := v.Args[1]
 10227  		mem := v.Args[2]
 10228  		v.reset(OpS390XMOVDloadidx)
 10229  		v.AuxInt = c + d
 10230  		v.Aux = sym
 10231  		v.AddArg(ptr)
 10232  		v.AddArg(idx)
 10233  		v.AddArg(mem)
 10234  		return true
 10235  	}
 10236  	// match: (MOVDloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
 10237  	// cond:
 10238  	// result: (MOVDloadidx [c+d] {sym} ptr idx mem)
 10239  	for {
 10240  		c := v.AuxInt
 10241  		sym := v.Aux
 10242  		ptr := v.Args[0]
 10243  		v_1 := v.Args[1]
 10244  		if v_1.Op != OpS390XADDconst {
 10245  			break
 10246  		}
 10247  		d := v_1.AuxInt
 10248  		idx := v_1.Args[0]
 10249  		mem := v.Args[2]
 10250  		v.reset(OpS390XMOVDloadidx)
 10251  		v.AuxInt = c + d
 10252  		v.Aux = sym
 10253  		v.AddArg(ptr)
 10254  		v.AddArg(idx)
 10255  		v.AddArg(mem)
 10256  		return true
 10257  	}
 10258  	return false
 10259  }
 10260  func rewriteValueS390X_OpS390XMOVDreg(v *Value, config *Config) bool {
 10261  	b := v.Block
 10262  	_ = b
 10263  	// match: (MOVDreg x)
 10264  	// cond: x.Uses == 1
 10265  	// result: (MOVDnop x)
 10266  	for {
 10267  		x := v.Args[0]
 10268  		if !(x.Uses == 1) {
 10269  			break
 10270  		}
 10271  		v.reset(OpS390XMOVDnop)
 10272  		v.AddArg(x)
 10273  		return true
 10274  	}
 10275  	return false
 10276  }
 10277  func rewriteValueS390X_OpS390XMOVDstore(v *Value, config *Config) bool {
 10278  	b := v.Block
 10279  	_ = b
 10280  	// match: (MOVDstore  [off1] {sym} (ADDconst [off2] ptr) val mem)
 10281  	// cond: is20Bit(off1+off2)
 10282  	// result: (MOVDstore  [off1+off2] {sym} ptr val mem)
 10283  	for {
 10284  		off1 := v.AuxInt
 10285  		sym := v.Aux
 10286  		v_0 := v.Args[0]
 10287  		if v_0.Op != OpS390XADDconst {
 10288  			break
 10289  		}
 10290  		off2 := v_0.AuxInt
 10291  		ptr := v_0.Args[0]
 10292  		val := v.Args[1]
 10293  		mem := v.Args[2]
 10294  		if !(is20Bit(off1 + off2)) {
 10295  			break
 10296  		}
 10297  		v.reset(OpS390XMOVDstore)
 10298  		v.AuxInt = off1 + off2
 10299  		v.Aux = sym
 10300  		v.AddArg(ptr)
 10301  		v.AddArg(val)
 10302  		v.AddArg(mem)
 10303  		return true
 10304  	}
 10305  	// match: (MOVDstore [off] {sym} ptr (MOVDconst [c]) mem)
 10306  	// cond: validValAndOff(c,off) && int64(int16(c)) == c && ptr.Op != OpSB
 10307  	// result: (MOVDstoreconst [makeValAndOff(c,off)] {sym} ptr mem)
 10308  	for {
 10309  		off := v.AuxInt
 10310  		sym := v.Aux
 10311  		ptr := v.Args[0]
 10312  		v_1 := v.Args[1]
 10313  		if v_1.Op != OpS390XMOVDconst {
 10314  			break
 10315  		}
 10316  		c := v_1.AuxInt
 10317  		mem := v.Args[2]
 10318  		if !(validValAndOff(c, off) && int64(int16(c)) == c && ptr.Op != OpSB) {
 10319  			break
 10320  		}
 10321  		v.reset(OpS390XMOVDstoreconst)
 10322  		v.AuxInt = makeValAndOff(c, off)
 10323  		v.Aux = sym
 10324  		v.AddArg(ptr)
 10325  		v.AddArg(mem)
 10326  		return true
 10327  	}
 10328  	// match: (MOVDstore  [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
 10329  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 10330  	// result: (MOVDstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
 10331  	for {
 10332  		off1 := v.AuxInt
 10333  		sym1 := v.Aux
 10334  		v_0 := v.Args[0]
 10335  		if v_0.Op != OpS390XMOVDaddr {
 10336  			break
 10337  		}
 10338  		off2 := v_0.AuxInt
 10339  		sym2 := v_0.Aux
 10340  		base := v_0.Args[0]
 10341  		val := v.Args[1]
 10342  		mem := v.Args[2]
 10343  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 10344  			break
 10345  		}
 10346  		v.reset(OpS390XMOVDstore)
 10347  		v.AuxInt = off1 + off2
 10348  		v.Aux = mergeSym(sym1, sym2)
 10349  		v.AddArg(base)
 10350  		v.AddArg(val)
 10351  		v.AddArg(mem)
 10352  		return true
 10353  	}
 10354  	// match: (MOVDstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
 10355  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 10356  	// result: (MOVDstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
 10357  	for {
 10358  		off1 := v.AuxInt
 10359  		sym1 := v.Aux
 10360  		v_0 := v.Args[0]
 10361  		if v_0.Op != OpS390XMOVDaddridx {
 10362  			break
 10363  		}
 10364  		off2 := v_0.AuxInt
 10365  		sym2 := v_0.Aux
 10366  		ptr := v_0.Args[0]
 10367  		idx := v_0.Args[1]
 10368  		val := v.Args[1]
 10369  		mem := v.Args[2]
 10370  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 10371  			break
 10372  		}
 10373  		v.reset(OpS390XMOVDstoreidx)
 10374  		v.AuxInt = off1 + off2
 10375  		v.Aux = mergeSym(sym1, sym2)
 10376  		v.AddArg(ptr)
 10377  		v.AddArg(idx)
 10378  		v.AddArg(val)
 10379  		v.AddArg(mem)
 10380  		return true
 10381  	}
 10382  	// match: (MOVDstore [off] {sym} (ADD ptr idx) val mem)
 10383  	// cond: ptr.Op != OpSB
 10384  	// result: (MOVDstoreidx [off] {sym} ptr idx val mem)
 10385  	for {
 10386  		off := v.AuxInt
 10387  		sym := v.Aux
 10388  		v_0 := v.Args[0]
 10389  		if v_0.Op != OpS390XADD {
 10390  			break
 10391  		}
 10392  		ptr := v_0.Args[0]
 10393  		idx := v_0.Args[1]
 10394  		val := v.Args[1]
 10395  		mem := v.Args[2]
 10396  		if !(ptr.Op != OpSB) {
 10397  			break
 10398  		}
 10399  		v.reset(OpS390XMOVDstoreidx)
 10400  		v.AuxInt = off
 10401  		v.Aux = sym
 10402  		v.AddArg(ptr)
 10403  		v.AddArg(idx)
 10404  		v.AddArg(val)
 10405  		v.AddArg(mem)
 10406  		return true
 10407  	}
 10408  	// match: (MOVDstore [i] {s} p w1 x:(MOVDstore [i-8] {s} p w0 mem))
 10409  	// cond: p.Op != OpSB   && x.Uses == 1   && is20Bit(i-8)   && clobber(x)
 10410  	// result: (STMG2 [i-8] {s} p w0 w1 mem)
 10411  	for {
 10412  		i := v.AuxInt
 10413  		s := v.Aux
 10414  		p := v.Args[0]
 10415  		w1 := v.Args[1]
 10416  		x := v.Args[2]
 10417  		if x.Op != OpS390XMOVDstore {
 10418  			break
 10419  		}
 10420  		if x.AuxInt != i-8 {
 10421  			break
 10422  		}
 10423  		if x.Aux != s {
 10424  			break
 10425  		}
 10426  		if p != x.Args[0] {
 10427  			break
 10428  		}
 10429  		w0 := x.Args[1]
 10430  		mem := x.Args[2]
 10431  		if !(p.Op != OpSB && x.Uses == 1 && is20Bit(i-8) && clobber(x)) {
 10432  			break
 10433  		}
 10434  		v.reset(OpS390XSTMG2)
 10435  		v.AuxInt = i - 8
 10436  		v.Aux = s
 10437  		v.AddArg(p)
 10438  		v.AddArg(w0)
 10439  		v.AddArg(w1)
 10440  		v.AddArg(mem)
 10441  		return true
 10442  	}
 10443  	// match: (MOVDstore [i] {s} p w2 x:(STMG2 [i-16] {s} p w0 w1 mem))
 10444  	// cond: x.Uses == 1   && is20Bit(i-16)   && clobber(x)
 10445  	// result: (STMG3 [i-16] {s} p w0 w1 w2 mem)
 10446  	for {
 10447  		i := v.AuxInt
 10448  		s := v.Aux
 10449  		p := v.Args[0]
 10450  		w2 := v.Args[1]
 10451  		x := v.Args[2]
 10452  		if x.Op != OpS390XSTMG2 {
 10453  			break
 10454  		}
 10455  		if x.AuxInt != i-16 {
 10456  			break
 10457  		}
 10458  		if x.Aux != s {
 10459  			break
 10460  		}
 10461  		if p != x.Args[0] {
 10462  			break
 10463  		}
 10464  		w0 := x.Args[1]
 10465  		w1 := x.Args[2]
 10466  		mem := x.Args[3]
 10467  		if !(x.Uses == 1 && is20Bit(i-16) && clobber(x)) {
 10468  			break
 10469  		}
 10470  		v.reset(OpS390XSTMG3)
 10471  		v.AuxInt = i - 16
 10472  		v.Aux = s
 10473  		v.AddArg(p)
 10474  		v.AddArg(w0)
 10475  		v.AddArg(w1)
 10476  		v.AddArg(w2)
 10477  		v.AddArg(mem)
 10478  		return true
 10479  	}
 10480  	// match: (MOVDstore [i] {s} p w3 x:(STMG3 [i-24] {s} p w0 w1 w2 mem))
 10481  	// cond: x.Uses == 1   && is20Bit(i-24)   && clobber(x)
 10482  	// result: (STMG4 [i-24] {s} p w0 w1 w2 w3 mem)
 10483  	for {
 10484  		i := v.AuxInt
 10485  		s := v.Aux
 10486  		p := v.Args[0]
 10487  		w3 := v.Args[1]
 10488  		x := v.Args[2]
 10489  		if x.Op != OpS390XSTMG3 {
 10490  			break
 10491  		}
 10492  		if x.AuxInt != i-24 {
 10493  			break
 10494  		}
 10495  		if x.Aux != s {
 10496  			break
 10497  		}
 10498  		if p != x.Args[0] {
 10499  			break
 10500  		}
 10501  		w0 := x.Args[1]
 10502  		w1 := x.Args[2]
 10503  		w2 := x.Args[3]
 10504  		mem := x.Args[4]
 10505  		if !(x.Uses == 1 && is20Bit(i-24) && clobber(x)) {
 10506  			break
 10507  		}
 10508  		v.reset(OpS390XSTMG4)
 10509  		v.AuxInt = i - 24
 10510  		v.Aux = s
 10511  		v.AddArg(p)
 10512  		v.AddArg(w0)
 10513  		v.AddArg(w1)
 10514  		v.AddArg(w2)
 10515  		v.AddArg(w3)
 10516  		v.AddArg(mem)
 10517  		return true
 10518  	}
 10519  	return false
 10520  }
 10521  func rewriteValueS390X_OpS390XMOVDstoreconst(v *Value, config *Config) bool {
 10522  	b := v.Block
 10523  	_ = b
 10524  	// match: (MOVDstoreconst [sc] {s} (ADDconst [off] ptr) mem)
 10525  	// cond: ValAndOff(sc).canAdd(off)
 10526  	// result: (MOVDstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
 10527  	for {
 10528  		sc := v.AuxInt
 10529  		s := v.Aux
 10530  		v_0 := v.Args[0]
 10531  		if v_0.Op != OpS390XADDconst {
 10532  			break
 10533  		}
 10534  		off := v_0.AuxInt
 10535  		ptr := v_0.Args[0]
 10536  		mem := v.Args[1]
 10537  		if !(ValAndOff(sc).canAdd(off)) {
 10538  			break
 10539  		}
 10540  		v.reset(OpS390XMOVDstoreconst)
 10541  		v.AuxInt = ValAndOff(sc).add(off)
 10542  		v.Aux = s
 10543  		v.AddArg(ptr)
 10544  		v.AddArg(mem)
 10545  		return true
 10546  	}
 10547  	// match: (MOVDstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
 10548  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
 10549  	// result: (MOVDstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
 10550  	for {
 10551  		sc := v.AuxInt
 10552  		sym1 := v.Aux
 10553  		v_0 := v.Args[0]
 10554  		if v_0.Op != OpS390XMOVDaddr {
 10555  			break
 10556  		}
 10557  		off := v_0.AuxInt
 10558  		sym2 := v_0.Aux
 10559  		ptr := v_0.Args[0]
 10560  		mem := v.Args[1]
 10561  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
 10562  			break
 10563  		}
 10564  		v.reset(OpS390XMOVDstoreconst)
 10565  		v.AuxInt = ValAndOff(sc).add(off)
 10566  		v.Aux = mergeSym(sym1, sym2)
 10567  		v.AddArg(ptr)
 10568  		v.AddArg(mem)
 10569  		return true
 10570  	}
 10571  	return false
 10572  }
 10573  func rewriteValueS390X_OpS390XMOVDstoreidx(v *Value, config *Config) bool {
 10574  	b := v.Block
 10575  	_ = b
 10576  	// match: (MOVDstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
 10577  	// cond:
 10578  	// result: (MOVDstoreidx [c+d] {sym} ptr idx val mem)
 10579  	for {
 10580  		c := v.AuxInt
 10581  		sym := v.Aux
 10582  		v_0 := v.Args[0]
 10583  		if v_0.Op != OpS390XADDconst {
 10584  			break
 10585  		}
 10586  		d := v_0.AuxInt
 10587  		ptr := v_0.Args[0]
 10588  		idx := v.Args[1]
 10589  		val := v.Args[2]
 10590  		mem := v.Args[3]
 10591  		v.reset(OpS390XMOVDstoreidx)
 10592  		v.AuxInt = c + d
 10593  		v.Aux = sym
 10594  		v.AddArg(ptr)
 10595  		v.AddArg(idx)
 10596  		v.AddArg(val)
 10597  		v.AddArg(mem)
 10598  		return true
 10599  	}
 10600  	// match: (MOVDstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
 10601  	// cond:
 10602  	// result: (MOVDstoreidx [c+d] {sym} ptr idx val mem)
 10603  	for {
 10604  		c := v.AuxInt
 10605  		sym := v.Aux
 10606  		ptr := v.Args[0]
 10607  		v_1 := v.Args[1]
 10608  		if v_1.Op != OpS390XADDconst {
 10609  			break
 10610  		}
 10611  		d := v_1.AuxInt
 10612  		idx := v_1.Args[0]
 10613  		val := v.Args[2]
 10614  		mem := v.Args[3]
 10615  		v.reset(OpS390XMOVDstoreidx)
 10616  		v.AuxInt = c + d
 10617  		v.Aux = sym
 10618  		v.AddArg(ptr)
 10619  		v.AddArg(idx)
 10620  		v.AddArg(val)
 10621  		v.AddArg(mem)
 10622  		return true
 10623  	}
 10624  	return false
 10625  }
 10626  func rewriteValueS390X_OpS390XMOVHBRstore(v *Value, config *Config) bool {
 10627  	b := v.Block
 10628  	_ = b
 10629  	// match: (MOVHBRstore [i] {s} p (SRDconst [16] w) x:(MOVHBRstore [i-2] {s} p w mem))
 10630  	// cond: x.Uses == 1   && clobber(x)
 10631  	// result: (MOVWBRstore [i-2] {s} p w mem)
 10632  	for {
 10633  		i := v.AuxInt
 10634  		s := v.Aux
 10635  		p := v.Args[0]
 10636  		v_1 := v.Args[1]
 10637  		if v_1.Op != OpS390XSRDconst {
 10638  			break
 10639  		}
 10640  		if v_1.AuxInt != 16 {
 10641  			break
 10642  		}
 10643  		w := v_1.Args[0]
 10644  		x := v.Args[2]
 10645  		if x.Op != OpS390XMOVHBRstore {
 10646  			break
 10647  		}
 10648  		if x.AuxInt != i-2 {
 10649  			break
 10650  		}
 10651  		if x.Aux != s {
 10652  			break
 10653  		}
 10654  		if p != x.Args[0] {
 10655  			break
 10656  		}
 10657  		if w != x.Args[1] {
 10658  			break
 10659  		}
 10660  		mem := x.Args[2]
 10661  		if !(x.Uses == 1 && clobber(x)) {
 10662  			break
 10663  		}
 10664  		v.reset(OpS390XMOVWBRstore)
 10665  		v.AuxInt = i - 2
 10666  		v.Aux = s
 10667  		v.AddArg(p)
 10668  		v.AddArg(w)
 10669  		v.AddArg(mem)
 10670  		return true
 10671  	}
 10672  	// match: (MOVHBRstore [i] {s} p (SRDconst [j] w) x:(MOVHBRstore [i-2] {s} p w0:(SRDconst [j-16] w) mem))
 10673  	// cond: x.Uses == 1   && clobber(x)
 10674  	// result: (MOVWBRstore [i-2] {s} p w0 mem)
 10675  	for {
 10676  		i := v.AuxInt
 10677  		s := v.Aux
 10678  		p := v.Args[0]
 10679  		v_1 := v.Args[1]
 10680  		if v_1.Op != OpS390XSRDconst {
 10681  			break
 10682  		}
 10683  		j := v_1.AuxInt
 10684  		w := v_1.Args[0]
 10685  		x := v.Args[2]
 10686  		if x.Op != OpS390XMOVHBRstore {
 10687  			break
 10688  		}
 10689  		if x.AuxInt != i-2 {
 10690  			break
 10691  		}
 10692  		if x.Aux != s {
 10693  			break
 10694  		}
 10695  		if p != x.Args[0] {
 10696  			break
 10697  		}
 10698  		w0 := x.Args[1]
 10699  		if w0.Op != OpS390XSRDconst {
 10700  			break
 10701  		}
 10702  		if w0.AuxInt != j-16 {
 10703  			break
 10704  		}
 10705  		if w != w0.Args[0] {
 10706  			break
 10707  		}
 10708  		mem := x.Args[2]
 10709  		if !(x.Uses == 1 && clobber(x)) {
 10710  			break
 10711  		}
 10712  		v.reset(OpS390XMOVWBRstore)
 10713  		v.AuxInt = i - 2
 10714  		v.Aux = s
 10715  		v.AddArg(p)
 10716  		v.AddArg(w0)
 10717  		v.AddArg(mem)
 10718  		return true
 10719  	}
 10720  	// match: (MOVHBRstore [i] {s} p (SRWconst [16] w) x:(MOVHBRstore [i-2] {s} p w mem))
 10721  	// cond: x.Uses == 1   && clobber(x)
 10722  	// result: (MOVWBRstore [i-2] {s} p w mem)
 10723  	for {
 10724  		i := v.AuxInt
 10725  		s := v.Aux
 10726  		p := v.Args[0]
 10727  		v_1 := v.Args[1]
 10728  		if v_1.Op != OpS390XSRWconst {
 10729  			break
 10730  		}
 10731  		if v_1.AuxInt != 16 {
 10732  			break
 10733  		}
 10734  		w := v_1.Args[0]
 10735  		x := v.Args[2]
 10736  		if x.Op != OpS390XMOVHBRstore {
 10737  			break
 10738  		}
 10739  		if x.AuxInt != i-2 {
 10740  			break
 10741  		}
 10742  		if x.Aux != s {
 10743  			break
 10744  		}
 10745  		if p != x.Args[0] {
 10746  			break
 10747  		}
 10748  		if w != x.Args[1] {
 10749  			break
 10750  		}
 10751  		mem := x.Args[2]
 10752  		if !(x.Uses == 1 && clobber(x)) {
 10753  			break
 10754  		}
 10755  		v.reset(OpS390XMOVWBRstore)
 10756  		v.AuxInt = i - 2
 10757  		v.Aux = s
 10758  		v.AddArg(p)
 10759  		v.AddArg(w)
 10760  		v.AddArg(mem)
 10761  		return true
 10762  	}
 10763  	// match: (MOVHBRstore [i] {s} p (SRWconst [j] w) x:(MOVHBRstore [i-2] {s} p w0:(SRWconst [j-16] w) mem))
 10764  	// cond: x.Uses == 1   && clobber(x)
 10765  	// result: (MOVWBRstore [i-2] {s} p w0 mem)
 10766  	for {
 10767  		i := v.AuxInt
 10768  		s := v.Aux
 10769  		p := v.Args[0]
 10770  		v_1 := v.Args[1]
 10771  		if v_1.Op != OpS390XSRWconst {
 10772  			break
 10773  		}
 10774  		j := v_1.AuxInt
 10775  		w := v_1.Args[0]
 10776  		x := v.Args[2]
 10777  		if x.Op != OpS390XMOVHBRstore {
 10778  			break
 10779  		}
 10780  		if x.AuxInt != i-2 {
 10781  			break
 10782  		}
 10783  		if x.Aux != s {
 10784  			break
 10785  		}
 10786  		if p != x.Args[0] {
 10787  			break
 10788  		}
 10789  		w0 := x.Args[1]
 10790  		if w0.Op != OpS390XSRWconst {
 10791  			break
 10792  		}
 10793  		if w0.AuxInt != j-16 {
 10794  			break
 10795  		}
 10796  		if w != w0.Args[0] {
 10797  			break
 10798  		}
 10799  		mem := x.Args[2]
 10800  		if !(x.Uses == 1 && clobber(x)) {
 10801  			break
 10802  		}
 10803  		v.reset(OpS390XMOVWBRstore)
 10804  		v.AuxInt = i - 2
 10805  		v.Aux = s
 10806  		v.AddArg(p)
 10807  		v.AddArg(w0)
 10808  		v.AddArg(mem)
 10809  		return true
 10810  	}
 10811  	return false
 10812  }
 10813  func rewriteValueS390X_OpS390XMOVHBRstoreidx(v *Value, config *Config) bool {
 10814  	b := v.Block
 10815  	_ = b
 10816  	// match: (MOVHBRstoreidx [i] {s} p idx (SRDconst [16] w) x:(MOVHBRstoreidx [i-2] {s} p idx w mem))
 10817  	// cond: x.Uses == 1   && clobber(x)
 10818  	// result: (MOVWBRstoreidx [i-2] {s} p idx w mem)
 10819  	for {
 10820  		i := v.AuxInt
 10821  		s := v.Aux
 10822  		p := v.Args[0]
 10823  		idx := v.Args[1]
 10824  		v_2 := v.Args[2]
 10825  		if v_2.Op != OpS390XSRDconst {
 10826  			break
 10827  		}
 10828  		if v_2.AuxInt != 16 {
 10829  			break
 10830  		}
 10831  		w := v_2.Args[0]
 10832  		x := v.Args[3]
 10833  		if x.Op != OpS390XMOVHBRstoreidx {
 10834  			break
 10835  		}
 10836  		if x.AuxInt != i-2 {
 10837  			break
 10838  		}
 10839  		if x.Aux != s {
 10840  			break
 10841  		}
 10842  		if p != x.Args[0] {
 10843  			break
 10844  		}
 10845  		if idx != x.Args[1] {
 10846  			break
 10847  		}
 10848  		if w != x.Args[2] {
 10849  			break
 10850  		}
 10851  		mem := x.Args[3]
 10852  		if !(x.Uses == 1 && clobber(x)) {
 10853  			break
 10854  		}
 10855  		v.reset(OpS390XMOVWBRstoreidx)
 10856  		v.AuxInt = i - 2
 10857  		v.Aux = s
 10858  		v.AddArg(p)
 10859  		v.AddArg(idx)
 10860  		v.AddArg(w)
 10861  		v.AddArg(mem)
 10862  		return true
 10863  	}
 10864  	// match: (MOVHBRstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVHBRstoreidx [i-2] {s} p idx w0:(SRDconst [j-16] w) mem))
 10865  	// cond: x.Uses == 1   && clobber(x)
 10866  	// result: (MOVWBRstoreidx [i-2] {s} p idx w0 mem)
 10867  	for {
 10868  		i := v.AuxInt
 10869  		s := v.Aux
 10870  		p := v.Args[0]
 10871  		idx := v.Args[1]
 10872  		v_2 := v.Args[2]
 10873  		if v_2.Op != OpS390XSRDconst {
 10874  			break
 10875  		}
 10876  		j := v_2.AuxInt
 10877  		w := v_2.Args[0]
 10878  		x := v.Args[3]
 10879  		if x.Op != OpS390XMOVHBRstoreidx {
 10880  			break
 10881  		}
 10882  		if x.AuxInt != i-2 {
 10883  			break
 10884  		}
 10885  		if x.Aux != s {
 10886  			break
 10887  		}
 10888  		if p != x.Args[0] {
 10889  			break
 10890  		}
 10891  		if idx != x.Args[1] {
 10892  			break
 10893  		}
 10894  		w0 := x.Args[2]
 10895  		if w0.Op != OpS390XSRDconst {
 10896  			break
 10897  		}
 10898  		if w0.AuxInt != j-16 {
 10899  			break
 10900  		}
 10901  		if w != w0.Args[0] {
 10902  			break
 10903  		}
 10904  		mem := x.Args[3]
 10905  		if !(x.Uses == 1 && clobber(x)) {
 10906  			break
 10907  		}
 10908  		v.reset(OpS390XMOVWBRstoreidx)
 10909  		v.AuxInt = i - 2
 10910  		v.Aux = s
 10911  		v.AddArg(p)
 10912  		v.AddArg(idx)
 10913  		v.AddArg(w0)
 10914  		v.AddArg(mem)
 10915  		return true
 10916  	}
 10917  	// match: (MOVHBRstoreidx [i] {s} p idx (SRWconst [16] w) x:(MOVHBRstoreidx [i-2] {s} p idx w mem))
 10918  	// cond: x.Uses == 1   && clobber(x)
 10919  	// result: (MOVWBRstoreidx [i-2] {s} p idx w mem)
 10920  	for {
 10921  		i := v.AuxInt
 10922  		s := v.Aux
 10923  		p := v.Args[0]
 10924  		idx := v.Args[1]
 10925  		v_2 := v.Args[2]
 10926  		if v_2.Op != OpS390XSRWconst {
 10927  			break
 10928  		}
 10929  		if v_2.AuxInt != 16 {
 10930  			break
 10931  		}
 10932  		w := v_2.Args[0]
 10933  		x := v.Args[3]
 10934  		if x.Op != OpS390XMOVHBRstoreidx {
 10935  			break
 10936  		}
 10937  		if x.AuxInt != i-2 {
 10938  			break
 10939  		}
 10940  		if x.Aux != s {
 10941  			break
 10942  		}
 10943  		if p != x.Args[0] {
 10944  			break
 10945  		}
 10946  		if idx != x.Args[1] {
 10947  			break
 10948  		}
 10949  		if w != x.Args[2] {
 10950  			break
 10951  		}
 10952  		mem := x.Args[3]
 10953  		if !(x.Uses == 1 && clobber(x)) {
 10954  			break
 10955  		}
 10956  		v.reset(OpS390XMOVWBRstoreidx)
 10957  		v.AuxInt = i - 2
 10958  		v.Aux = s
 10959  		v.AddArg(p)
 10960  		v.AddArg(idx)
 10961  		v.AddArg(w)
 10962  		v.AddArg(mem)
 10963  		return true
 10964  	}
 10965  	// match: (MOVHBRstoreidx [i] {s} p idx (SRWconst [j] w) x:(MOVHBRstoreidx [i-2] {s} p idx w0:(SRWconst [j-16] w) mem))
 10966  	// cond: x.Uses == 1   && clobber(x)
 10967  	// result: (MOVWBRstoreidx [i-2] {s} p idx w0 mem)
 10968  	for {
 10969  		i := v.AuxInt
 10970  		s := v.Aux
 10971  		p := v.Args[0]
 10972  		idx := v.Args[1]
 10973  		v_2 := v.Args[2]
 10974  		if v_2.Op != OpS390XSRWconst {
 10975  			break
 10976  		}
 10977  		j := v_2.AuxInt
 10978  		w := v_2.Args[0]
 10979  		x := v.Args[3]
 10980  		if x.Op != OpS390XMOVHBRstoreidx {
 10981  			break
 10982  		}
 10983  		if x.AuxInt != i-2 {
 10984  			break
 10985  		}
 10986  		if x.Aux != s {
 10987  			break
 10988  		}
 10989  		if p != x.Args[0] {
 10990  			break
 10991  		}
 10992  		if idx != x.Args[1] {
 10993  			break
 10994  		}
 10995  		w0 := x.Args[2]
 10996  		if w0.Op != OpS390XSRWconst {
 10997  			break
 10998  		}
 10999  		if w0.AuxInt != j-16 {
 11000  			break
 11001  		}
 11002  		if w != w0.Args[0] {
 11003  			break
 11004  		}
 11005  		mem := x.Args[3]
 11006  		if !(x.Uses == 1 && clobber(x)) {
 11007  			break
 11008  		}
 11009  		v.reset(OpS390XMOVWBRstoreidx)
 11010  		v.AuxInt = i - 2
 11011  		v.Aux = s
 11012  		v.AddArg(p)
 11013  		v.AddArg(idx)
 11014  		v.AddArg(w0)
 11015  		v.AddArg(mem)
 11016  		return true
 11017  	}
 11018  	return false
 11019  }
 11020  func rewriteValueS390X_OpS390XMOVHZload(v *Value, config *Config) bool {
 11021  	b := v.Block
 11022  	_ = b
 11023  	// match: (MOVHZload [off] {sym} ptr (MOVHstore [off2] {sym2} ptr2 x _))
 11024  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 11025  	// result: (MOVDreg x)
 11026  	for {
 11027  		off := v.AuxInt
 11028  		sym := v.Aux
 11029  		ptr := v.Args[0]
 11030  		v_1 := v.Args[1]
 11031  		if v_1.Op != OpS390XMOVHstore {
 11032  			break
 11033  		}
 11034  		off2 := v_1.AuxInt
 11035  		sym2 := v_1.Aux
 11036  		ptr2 := v_1.Args[0]
 11037  		x := v_1.Args[1]
 11038  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 11039  			break
 11040  		}
 11041  		v.reset(OpS390XMOVDreg)
 11042  		v.AddArg(x)
 11043  		return true
 11044  	}
 11045  	// match: (MOVHZload  [off1] {sym} (ADDconst [off2] ptr) mem)
 11046  	// cond: is20Bit(off1+off2)
 11047  	// result: (MOVHZload [off1+off2] {sym} ptr mem)
 11048  	for {
 11049  		off1 := v.AuxInt
 11050  		sym := v.Aux
 11051  		v_0 := v.Args[0]
 11052  		if v_0.Op != OpS390XADDconst {
 11053  			break
 11054  		}
 11055  		off2 := v_0.AuxInt
 11056  		ptr := v_0.Args[0]
 11057  		mem := v.Args[1]
 11058  		if !(is20Bit(off1 + off2)) {
 11059  			break
 11060  		}
 11061  		v.reset(OpS390XMOVHZload)
 11062  		v.AuxInt = off1 + off2
 11063  		v.Aux = sym
 11064  		v.AddArg(ptr)
 11065  		v.AddArg(mem)
 11066  		return true
 11067  	}
 11068  	// match: (MOVHZload  [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 11069  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11070  	// result: (MOVHZload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
 11071  	for {
 11072  		off1 := v.AuxInt
 11073  		sym1 := v.Aux
 11074  		v_0 := v.Args[0]
 11075  		if v_0.Op != OpS390XMOVDaddr {
 11076  			break
 11077  		}
 11078  		off2 := v_0.AuxInt
 11079  		sym2 := v_0.Aux
 11080  		base := v_0.Args[0]
 11081  		mem := v.Args[1]
 11082  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11083  			break
 11084  		}
 11085  		v.reset(OpS390XMOVHZload)
 11086  		v.AuxInt = off1 + off2
 11087  		v.Aux = mergeSym(sym1, sym2)
 11088  		v.AddArg(base)
 11089  		v.AddArg(mem)
 11090  		return true
 11091  	}
 11092  	// match: (MOVHZload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
 11093  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11094  	// result: (MOVHZloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
 11095  	for {
 11096  		off1 := v.AuxInt
 11097  		sym1 := v.Aux
 11098  		v_0 := v.Args[0]
 11099  		if v_0.Op != OpS390XMOVDaddridx {
 11100  			break
 11101  		}
 11102  		off2 := v_0.AuxInt
 11103  		sym2 := v_0.Aux
 11104  		ptr := v_0.Args[0]
 11105  		idx := v_0.Args[1]
 11106  		mem := v.Args[1]
 11107  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11108  			break
 11109  		}
 11110  		v.reset(OpS390XMOVHZloadidx)
 11111  		v.AuxInt = off1 + off2
 11112  		v.Aux = mergeSym(sym1, sym2)
 11113  		v.AddArg(ptr)
 11114  		v.AddArg(idx)
 11115  		v.AddArg(mem)
 11116  		return true
 11117  	}
 11118  	// match: (MOVHZload [off] {sym} (ADD ptr idx) mem)
 11119  	// cond: ptr.Op != OpSB
 11120  	// result: (MOVHZloadidx [off] {sym} ptr idx mem)
 11121  	for {
 11122  		off := v.AuxInt
 11123  		sym := v.Aux
 11124  		v_0 := v.Args[0]
 11125  		if v_0.Op != OpS390XADD {
 11126  			break
 11127  		}
 11128  		ptr := v_0.Args[0]
 11129  		idx := v_0.Args[1]
 11130  		mem := v.Args[1]
 11131  		if !(ptr.Op != OpSB) {
 11132  			break
 11133  		}
 11134  		v.reset(OpS390XMOVHZloadidx)
 11135  		v.AuxInt = off
 11136  		v.Aux = sym
 11137  		v.AddArg(ptr)
 11138  		v.AddArg(idx)
 11139  		v.AddArg(mem)
 11140  		return true
 11141  	}
 11142  	return false
 11143  }
 11144  func rewriteValueS390X_OpS390XMOVHZloadidx(v *Value, config *Config) bool {
 11145  	b := v.Block
 11146  	_ = b
 11147  	// match: (MOVHZloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
 11148  	// cond:
 11149  	// result: (MOVHZloadidx [c+d] {sym} ptr idx mem)
 11150  	for {
 11151  		c := v.AuxInt
 11152  		sym := v.Aux
 11153  		v_0 := v.Args[0]
 11154  		if v_0.Op != OpS390XADDconst {
 11155  			break
 11156  		}
 11157  		d := v_0.AuxInt
 11158  		ptr := v_0.Args[0]
 11159  		idx := v.Args[1]
 11160  		mem := v.Args[2]
 11161  		v.reset(OpS390XMOVHZloadidx)
 11162  		v.AuxInt = c + d
 11163  		v.Aux = sym
 11164  		v.AddArg(ptr)
 11165  		v.AddArg(idx)
 11166  		v.AddArg(mem)
 11167  		return true
 11168  	}
 11169  	// match: (MOVHZloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
 11170  	// cond:
 11171  	// result: (MOVHZloadidx [c+d] {sym} ptr idx mem)
 11172  	for {
 11173  		c := v.AuxInt
 11174  		sym := v.Aux
 11175  		ptr := v.Args[0]
 11176  		v_1 := v.Args[1]
 11177  		if v_1.Op != OpS390XADDconst {
 11178  			break
 11179  		}
 11180  		d := v_1.AuxInt
 11181  		idx := v_1.Args[0]
 11182  		mem := v.Args[2]
 11183  		v.reset(OpS390XMOVHZloadidx)
 11184  		v.AuxInt = c + d
 11185  		v.Aux = sym
 11186  		v.AddArg(ptr)
 11187  		v.AddArg(idx)
 11188  		v.AddArg(mem)
 11189  		return true
 11190  	}
 11191  	return false
 11192  }
 11193  func rewriteValueS390X_OpS390XMOVHZreg(v *Value, config *Config) bool {
 11194  	b := v.Block
 11195  	_ = b
 11196  	// match: (MOVHZreg x:(MOVBZload _ _))
 11197  	// cond:
 11198  	// result: (MOVDreg x)
 11199  	for {
 11200  		x := v.Args[0]
 11201  		if x.Op != OpS390XMOVBZload {
 11202  			break
 11203  		}
 11204  		v.reset(OpS390XMOVDreg)
 11205  		v.AddArg(x)
 11206  		return true
 11207  	}
 11208  	// match: (MOVHZreg x:(MOVHZload _ _))
 11209  	// cond:
 11210  	// result: (MOVDreg x)
 11211  	for {
 11212  		x := v.Args[0]
 11213  		if x.Op != OpS390XMOVHZload {
 11214  			break
 11215  		}
 11216  		v.reset(OpS390XMOVDreg)
 11217  		v.AddArg(x)
 11218  		return true
 11219  	}
 11220  	// match: (MOVHZreg x:(Arg <t>))
 11221  	// cond: (is8BitInt(t) || is16BitInt(t)) && !isSigned(t)
 11222  	// result: (MOVDreg x)
 11223  	for {
 11224  		x := v.Args[0]
 11225  		if x.Op != OpArg {
 11226  			break
 11227  		}
 11228  		t := x.Type
 11229  		if !((is8BitInt(t) || is16BitInt(t)) && !isSigned(t)) {
 11230  			break
 11231  		}
 11232  		v.reset(OpS390XMOVDreg)
 11233  		v.AddArg(x)
 11234  		return true
 11235  	}
 11236  	// match: (MOVHZreg x:(MOVBZreg _))
 11237  	// cond:
 11238  	// result: (MOVDreg x)
 11239  	for {
 11240  		x := v.Args[0]
 11241  		if x.Op != OpS390XMOVBZreg {
 11242  			break
 11243  		}
 11244  		v.reset(OpS390XMOVDreg)
 11245  		v.AddArg(x)
 11246  		return true
 11247  	}
 11248  	// match: (MOVHZreg x:(MOVHZreg _))
 11249  	// cond:
 11250  	// result: (MOVDreg x)
 11251  	for {
 11252  		x := v.Args[0]
 11253  		if x.Op != OpS390XMOVHZreg {
 11254  			break
 11255  		}
 11256  		v.reset(OpS390XMOVDreg)
 11257  		v.AddArg(x)
 11258  		return true
 11259  	}
 11260  	// match: (MOVHZreg (MOVDconst [c]))
 11261  	// cond:
 11262  	// result: (MOVDconst [int64(uint16(c))])
 11263  	for {
 11264  		v_0 := v.Args[0]
 11265  		if v_0.Op != OpS390XMOVDconst {
 11266  			break
 11267  		}
 11268  		c := v_0.AuxInt
 11269  		v.reset(OpS390XMOVDconst)
 11270  		v.AuxInt = int64(uint16(c))
 11271  		return true
 11272  	}
 11273  	// match: (MOVHZreg x:(MOVHZload [off] {sym} ptr mem))
 11274  	// cond: x.Uses == 1 && clobber(x)
 11275  	// result: @x.Block (MOVHZload <v.Type> [off] {sym} ptr mem)
 11276  	for {
 11277  		x := v.Args[0]
 11278  		if x.Op != OpS390XMOVHZload {
 11279  			break
 11280  		}
 11281  		off := x.AuxInt
 11282  		sym := x.Aux
 11283  		ptr := x.Args[0]
 11284  		mem := x.Args[1]
 11285  		if !(x.Uses == 1 && clobber(x)) {
 11286  			break
 11287  		}
 11288  		b = x.Block
 11289  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZload, v.Type)
 11290  		v.reset(OpCopy)
 11291  		v.AddArg(v0)
 11292  		v0.AuxInt = off
 11293  		v0.Aux = sym
 11294  		v0.AddArg(ptr)
 11295  		v0.AddArg(mem)
 11296  		return true
 11297  	}
 11298  	// match: (MOVHZreg x:(MOVHZloadidx [off] {sym} ptr idx mem))
 11299  	// cond: x.Uses == 1 && clobber(x)
 11300  	// result: @x.Block (MOVHZloadidx <v.Type> [off] {sym} ptr idx mem)
 11301  	for {
 11302  		x := v.Args[0]
 11303  		if x.Op != OpS390XMOVHZloadidx {
 11304  			break
 11305  		}
 11306  		off := x.AuxInt
 11307  		sym := x.Aux
 11308  		ptr := x.Args[0]
 11309  		idx := x.Args[1]
 11310  		mem := x.Args[2]
 11311  		if !(x.Uses == 1 && clobber(x)) {
 11312  			break
 11313  		}
 11314  		b = x.Block
 11315  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, v.Type)
 11316  		v.reset(OpCopy)
 11317  		v.AddArg(v0)
 11318  		v0.AuxInt = off
 11319  		v0.Aux = sym
 11320  		v0.AddArg(ptr)
 11321  		v0.AddArg(idx)
 11322  		v0.AddArg(mem)
 11323  		return true
 11324  	}
 11325  	return false
 11326  }
 11327  func rewriteValueS390X_OpS390XMOVHload(v *Value, config *Config) bool {
 11328  	b := v.Block
 11329  	_ = b
 11330  	// match: (MOVHload   [off1] {sym} (ADDconst [off2] ptr) mem)
 11331  	// cond: is20Bit(off1+off2)
 11332  	// result: (MOVHload  [off1+off2] {sym} ptr mem)
 11333  	for {
 11334  		off1 := v.AuxInt
 11335  		sym := v.Aux
 11336  		v_0 := v.Args[0]
 11337  		if v_0.Op != OpS390XADDconst {
 11338  			break
 11339  		}
 11340  		off2 := v_0.AuxInt
 11341  		ptr := v_0.Args[0]
 11342  		mem := v.Args[1]
 11343  		if !(is20Bit(off1 + off2)) {
 11344  			break
 11345  		}
 11346  		v.reset(OpS390XMOVHload)
 11347  		v.AuxInt = off1 + off2
 11348  		v.Aux = sym
 11349  		v.AddArg(ptr)
 11350  		v.AddArg(mem)
 11351  		return true
 11352  	}
 11353  	// match: (MOVHload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 11354  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11355  	// result: (MOVHload [off1+off2] {mergeSym(sym1,sym2)} base mem)
 11356  	for {
 11357  		off1 := v.AuxInt
 11358  		sym1 := v.Aux
 11359  		v_0 := v.Args[0]
 11360  		if v_0.Op != OpS390XMOVDaddr {
 11361  			break
 11362  		}
 11363  		off2 := v_0.AuxInt
 11364  		sym2 := v_0.Aux
 11365  		base := v_0.Args[0]
 11366  		mem := v.Args[1]
 11367  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11368  			break
 11369  		}
 11370  		v.reset(OpS390XMOVHload)
 11371  		v.AuxInt = off1 + off2
 11372  		v.Aux = mergeSym(sym1, sym2)
 11373  		v.AddArg(base)
 11374  		v.AddArg(mem)
 11375  		return true
 11376  	}
 11377  	return false
 11378  }
 11379  func rewriteValueS390X_OpS390XMOVHreg(v *Value, config *Config) bool {
 11380  	b := v.Block
 11381  	_ = b
 11382  	// match: (MOVHreg x:(MOVBload _ _))
 11383  	// cond:
 11384  	// result: (MOVDreg x)
 11385  	for {
 11386  		x := v.Args[0]
 11387  		if x.Op != OpS390XMOVBload {
 11388  			break
 11389  		}
 11390  		v.reset(OpS390XMOVDreg)
 11391  		v.AddArg(x)
 11392  		return true
 11393  	}
 11394  	// match: (MOVHreg x:(MOVBZload _ _))
 11395  	// cond:
 11396  	// result: (MOVDreg x)
 11397  	for {
 11398  		x := v.Args[0]
 11399  		if x.Op != OpS390XMOVBZload {
 11400  			break
 11401  		}
 11402  		v.reset(OpS390XMOVDreg)
 11403  		v.AddArg(x)
 11404  		return true
 11405  	}
 11406  	// match: (MOVHreg x:(MOVHload _ _))
 11407  	// cond:
 11408  	// result: (MOVDreg x)
 11409  	for {
 11410  		x := v.Args[0]
 11411  		if x.Op != OpS390XMOVHload {
 11412  			break
 11413  		}
 11414  		v.reset(OpS390XMOVDreg)
 11415  		v.AddArg(x)
 11416  		return true
 11417  	}
 11418  	// match: (MOVHreg x:(Arg <t>))
 11419  	// cond: (is8BitInt(t) || is16BitInt(t)) && isSigned(t)
 11420  	// result: (MOVDreg x)
 11421  	for {
 11422  		x := v.Args[0]
 11423  		if x.Op != OpArg {
 11424  			break
 11425  		}
 11426  		t := x.Type
 11427  		if !((is8BitInt(t) || is16BitInt(t)) && isSigned(t)) {
 11428  			break
 11429  		}
 11430  		v.reset(OpS390XMOVDreg)
 11431  		v.AddArg(x)
 11432  		return true
 11433  	}
 11434  	// match: (MOVHreg x:(MOVBreg _))
 11435  	// cond:
 11436  	// result: (MOVDreg x)
 11437  	for {
 11438  		x := v.Args[0]
 11439  		if x.Op != OpS390XMOVBreg {
 11440  			break
 11441  		}
 11442  		v.reset(OpS390XMOVDreg)
 11443  		v.AddArg(x)
 11444  		return true
 11445  	}
 11446  	// match: (MOVHreg x:(MOVBZreg _))
 11447  	// cond:
 11448  	// result: (MOVDreg x)
 11449  	for {
 11450  		x := v.Args[0]
 11451  		if x.Op != OpS390XMOVBZreg {
 11452  			break
 11453  		}
 11454  		v.reset(OpS390XMOVDreg)
 11455  		v.AddArg(x)
 11456  		return true
 11457  	}
 11458  	// match: (MOVHreg x:(MOVHreg _))
 11459  	// cond:
 11460  	// result: (MOVDreg x)
 11461  	for {
 11462  		x := v.Args[0]
 11463  		if x.Op != OpS390XMOVHreg {
 11464  			break
 11465  		}
 11466  		v.reset(OpS390XMOVDreg)
 11467  		v.AddArg(x)
 11468  		return true
 11469  	}
 11470  	// match: (MOVHreg (MOVDconst [c]))
 11471  	// cond:
 11472  	// result: (MOVDconst [int64(int16(c))])
 11473  	for {
 11474  		v_0 := v.Args[0]
 11475  		if v_0.Op != OpS390XMOVDconst {
 11476  			break
 11477  		}
 11478  		c := v_0.AuxInt
 11479  		v.reset(OpS390XMOVDconst)
 11480  		v.AuxInt = int64(int16(c))
 11481  		return true
 11482  	}
 11483  	// match: (MOVHreg x:(MOVHZload [off] {sym} ptr mem))
 11484  	// cond: x.Uses == 1 && clobber(x)
 11485  	// result: @x.Block (MOVHload <v.Type> [off] {sym} ptr mem)
 11486  	for {
 11487  		x := v.Args[0]
 11488  		if x.Op != OpS390XMOVHZload {
 11489  			break
 11490  		}
 11491  		off := x.AuxInt
 11492  		sym := x.Aux
 11493  		ptr := x.Args[0]
 11494  		mem := x.Args[1]
 11495  		if !(x.Uses == 1 && clobber(x)) {
 11496  			break
 11497  		}
 11498  		b = x.Block
 11499  		v0 := b.NewValue0(v.Pos, OpS390XMOVHload, v.Type)
 11500  		v.reset(OpCopy)
 11501  		v.AddArg(v0)
 11502  		v0.AuxInt = off
 11503  		v0.Aux = sym
 11504  		v0.AddArg(ptr)
 11505  		v0.AddArg(mem)
 11506  		return true
 11507  	}
 11508  	return false
 11509  }
 11510  func rewriteValueS390X_OpS390XMOVHstore(v *Value, config *Config) bool {
 11511  	b := v.Block
 11512  	_ = b
 11513  	// match: (MOVHstore [off] {sym} ptr (MOVHreg x) mem)
 11514  	// cond:
 11515  	// result: (MOVHstore [off] {sym} ptr x mem)
 11516  	for {
 11517  		off := v.AuxInt
 11518  		sym := v.Aux
 11519  		ptr := v.Args[0]
 11520  		v_1 := v.Args[1]
 11521  		if v_1.Op != OpS390XMOVHreg {
 11522  			break
 11523  		}
 11524  		x := v_1.Args[0]
 11525  		mem := v.Args[2]
 11526  		v.reset(OpS390XMOVHstore)
 11527  		v.AuxInt = off
 11528  		v.Aux = sym
 11529  		v.AddArg(ptr)
 11530  		v.AddArg(x)
 11531  		v.AddArg(mem)
 11532  		return true
 11533  	}
 11534  	// match: (MOVHstore [off] {sym} ptr (MOVHZreg x) mem)
 11535  	// cond:
 11536  	// result: (MOVHstore [off] {sym} ptr x mem)
 11537  	for {
 11538  		off := v.AuxInt
 11539  		sym := v.Aux
 11540  		ptr := v.Args[0]
 11541  		v_1 := v.Args[1]
 11542  		if v_1.Op != OpS390XMOVHZreg {
 11543  			break
 11544  		}
 11545  		x := v_1.Args[0]
 11546  		mem := v.Args[2]
 11547  		v.reset(OpS390XMOVHstore)
 11548  		v.AuxInt = off
 11549  		v.Aux = sym
 11550  		v.AddArg(ptr)
 11551  		v.AddArg(x)
 11552  		v.AddArg(mem)
 11553  		return true
 11554  	}
 11555  	// match: (MOVHstore  [off1] {sym} (ADDconst [off2] ptr) val mem)
 11556  	// cond: is20Bit(off1+off2)
 11557  	// result: (MOVHstore  [off1+off2] {sym} ptr val mem)
 11558  	for {
 11559  		off1 := v.AuxInt
 11560  		sym := v.Aux
 11561  		v_0 := v.Args[0]
 11562  		if v_0.Op != OpS390XADDconst {
 11563  			break
 11564  		}
 11565  		off2 := v_0.AuxInt
 11566  		ptr := v_0.Args[0]
 11567  		val := v.Args[1]
 11568  		mem := v.Args[2]
 11569  		if !(is20Bit(off1 + off2)) {
 11570  			break
 11571  		}
 11572  		v.reset(OpS390XMOVHstore)
 11573  		v.AuxInt = off1 + off2
 11574  		v.Aux = sym
 11575  		v.AddArg(ptr)
 11576  		v.AddArg(val)
 11577  		v.AddArg(mem)
 11578  		return true
 11579  	}
 11580  	// match: (MOVHstore [off] {sym} ptr (MOVDconst [c]) mem)
 11581  	// cond: validOff(off) && ptr.Op != OpSB
 11582  	// result: (MOVHstoreconst [makeValAndOff(int64(int16(c)),off)] {sym} ptr mem)
 11583  	for {
 11584  		off := v.AuxInt
 11585  		sym := v.Aux
 11586  		ptr := v.Args[0]
 11587  		v_1 := v.Args[1]
 11588  		if v_1.Op != OpS390XMOVDconst {
 11589  			break
 11590  		}
 11591  		c := v_1.AuxInt
 11592  		mem := v.Args[2]
 11593  		if !(validOff(off) && ptr.Op != OpSB) {
 11594  			break
 11595  		}
 11596  		v.reset(OpS390XMOVHstoreconst)
 11597  		v.AuxInt = makeValAndOff(int64(int16(c)), off)
 11598  		v.Aux = sym
 11599  		v.AddArg(ptr)
 11600  		v.AddArg(mem)
 11601  		return true
 11602  	}
 11603  	// match: (MOVHstore  [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
 11604  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11605  	// result: (MOVHstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
 11606  	for {
 11607  		off1 := v.AuxInt
 11608  		sym1 := v.Aux
 11609  		v_0 := v.Args[0]
 11610  		if v_0.Op != OpS390XMOVDaddr {
 11611  			break
 11612  		}
 11613  		off2 := v_0.AuxInt
 11614  		sym2 := v_0.Aux
 11615  		base := v_0.Args[0]
 11616  		val := v.Args[1]
 11617  		mem := v.Args[2]
 11618  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11619  			break
 11620  		}
 11621  		v.reset(OpS390XMOVHstore)
 11622  		v.AuxInt = off1 + off2
 11623  		v.Aux = mergeSym(sym1, sym2)
 11624  		v.AddArg(base)
 11625  		v.AddArg(val)
 11626  		v.AddArg(mem)
 11627  		return true
 11628  	}
 11629  	// match: (MOVHstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
 11630  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11631  	// result: (MOVHstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
 11632  	for {
 11633  		off1 := v.AuxInt
 11634  		sym1 := v.Aux
 11635  		v_0 := v.Args[0]
 11636  		if v_0.Op != OpS390XMOVDaddridx {
 11637  			break
 11638  		}
 11639  		off2 := v_0.AuxInt
 11640  		sym2 := v_0.Aux
 11641  		ptr := v_0.Args[0]
 11642  		idx := v_0.Args[1]
 11643  		val := v.Args[1]
 11644  		mem := v.Args[2]
 11645  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11646  			break
 11647  		}
 11648  		v.reset(OpS390XMOVHstoreidx)
 11649  		v.AuxInt = off1 + off2
 11650  		v.Aux = mergeSym(sym1, sym2)
 11651  		v.AddArg(ptr)
 11652  		v.AddArg(idx)
 11653  		v.AddArg(val)
 11654  		v.AddArg(mem)
 11655  		return true
 11656  	}
 11657  	// match: (MOVHstore [off] {sym} (ADD ptr idx) val mem)
 11658  	// cond: ptr.Op != OpSB
 11659  	// result: (MOVHstoreidx [off] {sym} ptr idx val mem)
 11660  	for {
 11661  		off := v.AuxInt
 11662  		sym := v.Aux
 11663  		v_0 := v.Args[0]
 11664  		if v_0.Op != OpS390XADD {
 11665  			break
 11666  		}
 11667  		ptr := v_0.Args[0]
 11668  		idx := v_0.Args[1]
 11669  		val := v.Args[1]
 11670  		mem := v.Args[2]
 11671  		if !(ptr.Op != OpSB) {
 11672  			break
 11673  		}
 11674  		v.reset(OpS390XMOVHstoreidx)
 11675  		v.AuxInt = off
 11676  		v.Aux = sym
 11677  		v.AddArg(ptr)
 11678  		v.AddArg(idx)
 11679  		v.AddArg(val)
 11680  		v.AddArg(mem)
 11681  		return true
 11682  	}
 11683  	// match: (MOVHstore [i] {s} p w x:(MOVHstore [i-2] {s} p (SRDconst [16] w) mem))
 11684  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 11685  	// result: (MOVWstore [i-2] {s} p w mem)
 11686  	for {
 11687  		i := v.AuxInt
 11688  		s := v.Aux
 11689  		p := v.Args[0]
 11690  		w := v.Args[1]
 11691  		x := v.Args[2]
 11692  		if x.Op != OpS390XMOVHstore {
 11693  			break
 11694  		}
 11695  		if x.AuxInt != i-2 {
 11696  			break
 11697  		}
 11698  		if x.Aux != s {
 11699  			break
 11700  		}
 11701  		if p != x.Args[0] {
 11702  			break
 11703  		}
 11704  		x_1 := x.Args[1]
 11705  		if x_1.Op != OpS390XSRDconst {
 11706  			break
 11707  		}
 11708  		if x_1.AuxInt != 16 {
 11709  			break
 11710  		}
 11711  		if w != x_1.Args[0] {
 11712  			break
 11713  		}
 11714  		mem := x.Args[2]
 11715  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 11716  			break
 11717  		}
 11718  		v.reset(OpS390XMOVWstore)
 11719  		v.AuxInt = i - 2
 11720  		v.Aux = s
 11721  		v.AddArg(p)
 11722  		v.AddArg(w)
 11723  		v.AddArg(mem)
 11724  		return true
 11725  	}
 11726  	// match: (MOVHstore [i] {s} p w0:(SRDconst [j] w) x:(MOVHstore [i-2] {s} p (SRDconst [j+16] w) mem))
 11727  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 11728  	// result: (MOVWstore [i-2] {s} p w0 mem)
 11729  	for {
 11730  		i := v.AuxInt
 11731  		s := v.Aux
 11732  		p := v.Args[0]
 11733  		w0 := v.Args[1]
 11734  		if w0.Op != OpS390XSRDconst {
 11735  			break
 11736  		}
 11737  		j := w0.AuxInt
 11738  		w := w0.Args[0]
 11739  		x := v.Args[2]
 11740  		if x.Op != OpS390XMOVHstore {
 11741  			break
 11742  		}
 11743  		if x.AuxInt != i-2 {
 11744  			break
 11745  		}
 11746  		if x.Aux != s {
 11747  			break
 11748  		}
 11749  		if p != x.Args[0] {
 11750  			break
 11751  		}
 11752  		x_1 := x.Args[1]
 11753  		if x_1.Op != OpS390XSRDconst {
 11754  			break
 11755  		}
 11756  		if x_1.AuxInt != j+16 {
 11757  			break
 11758  		}
 11759  		if w != x_1.Args[0] {
 11760  			break
 11761  		}
 11762  		mem := x.Args[2]
 11763  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 11764  			break
 11765  		}
 11766  		v.reset(OpS390XMOVWstore)
 11767  		v.AuxInt = i - 2
 11768  		v.Aux = s
 11769  		v.AddArg(p)
 11770  		v.AddArg(w0)
 11771  		v.AddArg(mem)
 11772  		return true
 11773  	}
 11774  	// match: (MOVHstore [i] {s} p w x:(MOVHstore [i-2] {s} p (SRWconst [16] w) mem))
 11775  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 11776  	// result: (MOVWstore [i-2] {s} p w mem)
 11777  	for {
 11778  		i := v.AuxInt
 11779  		s := v.Aux
 11780  		p := v.Args[0]
 11781  		w := v.Args[1]
 11782  		x := v.Args[2]
 11783  		if x.Op != OpS390XMOVHstore {
 11784  			break
 11785  		}
 11786  		if x.AuxInt != i-2 {
 11787  			break
 11788  		}
 11789  		if x.Aux != s {
 11790  			break
 11791  		}
 11792  		if p != x.Args[0] {
 11793  			break
 11794  		}
 11795  		x_1 := x.Args[1]
 11796  		if x_1.Op != OpS390XSRWconst {
 11797  			break
 11798  		}
 11799  		if x_1.AuxInt != 16 {
 11800  			break
 11801  		}
 11802  		if w != x_1.Args[0] {
 11803  			break
 11804  		}
 11805  		mem := x.Args[2]
 11806  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 11807  			break
 11808  		}
 11809  		v.reset(OpS390XMOVWstore)
 11810  		v.AuxInt = i - 2
 11811  		v.Aux = s
 11812  		v.AddArg(p)
 11813  		v.AddArg(w)
 11814  		v.AddArg(mem)
 11815  		return true
 11816  	}
 11817  	// match: (MOVHstore [i] {s} p w0:(SRWconst [j] w) x:(MOVHstore [i-2] {s} p (SRWconst [j+16] w) mem))
 11818  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 11819  	// result: (MOVWstore [i-2] {s} p w0 mem)
 11820  	for {
 11821  		i := v.AuxInt
 11822  		s := v.Aux
 11823  		p := v.Args[0]
 11824  		w0 := v.Args[1]
 11825  		if w0.Op != OpS390XSRWconst {
 11826  			break
 11827  		}
 11828  		j := w0.AuxInt
 11829  		w := w0.Args[0]
 11830  		x := v.Args[2]
 11831  		if x.Op != OpS390XMOVHstore {
 11832  			break
 11833  		}
 11834  		if x.AuxInt != i-2 {
 11835  			break
 11836  		}
 11837  		if x.Aux != s {
 11838  			break
 11839  		}
 11840  		if p != x.Args[0] {
 11841  			break
 11842  		}
 11843  		x_1 := x.Args[1]
 11844  		if x_1.Op != OpS390XSRWconst {
 11845  			break
 11846  		}
 11847  		if x_1.AuxInt != j+16 {
 11848  			break
 11849  		}
 11850  		if w != x_1.Args[0] {
 11851  			break
 11852  		}
 11853  		mem := x.Args[2]
 11854  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 11855  			break
 11856  		}
 11857  		v.reset(OpS390XMOVWstore)
 11858  		v.AuxInt = i - 2
 11859  		v.Aux = s
 11860  		v.AddArg(p)
 11861  		v.AddArg(w0)
 11862  		v.AddArg(mem)
 11863  		return true
 11864  	}
 11865  	return false
 11866  }
 11867  func rewriteValueS390X_OpS390XMOVHstoreconst(v *Value, config *Config) bool {
 11868  	b := v.Block
 11869  	_ = b
 11870  	// match: (MOVHstoreconst [sc] {s} (ADDconst [off] ptr) mem)
 11871  	// cond: ValAndOff(sc).canAdd(off)
 11872  	// result: (MOVHstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
 11873  	for {
 11874  		sc := v.AuxInt
 11875  		s := v.Aux
 11876  		v_0 := v.Args[0]
 11877  		if v_0.Op != OpS390XADDconst {
 11878  			break
 11879  		}
 11880  		off := v_0.AuxInt
 11881  		ptr := v_0.Args[0]
 11882  		mem := v.Args[1]
 11883  		if !(ValAndOff(sc).canAdd(off)) {
 11884  			break
 11885  		}
 11886  		v.reset(OpS390XMOVHstoreconst)
 11887  		v.AuxInt = ValAndOff(sc).add(off)
 11888  		v.Aux = s
 11889  		v.AddArg(ptr)
 11890  		v.AddArg(mem)
 11891  		return true
 11892  	}
 11893  	// match: (MOVHstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
 11894  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
 11895  	// result: (MOVHstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
 11896  	for {
 11897  		sc := v.AuxInt
 11898  		sym1 := v.Aux
 11899  		v_0 := v.Args[0]
 11900  		if v_0.Op != OpS390XMOVDaddr {
 11901  			break
 11902  		}
 11903  		off := v_0.AuxInt
 11904  		sym2 := v_0.Aux
 11905  		ptr := v_0.Args[0]
 11906  		mem := v.Args[1]
 11907  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
 11908  			break
 11909  		}
 11910  		v.reset(OpS390XMOVHstoreconst)
 11911  		v.AuxInt = ValAndOff(sc).add(off)
 11912  		v.Aux = mergeSym(sym1, sym2)
 11913  		v.AddArg(ptr)
 11914  		v.AddArg(mem)
 11915  		return true
 11916  	}
 11917  	// match: (MOVHstoreconst [c] {s} p x:(MOVHstoreconst [a] {s} p mem))
 11918  	// cond: p.Op != OpSB   && x.Uses == 1   && ValAndOff(a).Off() + 2 == ValAndOff(c).Off()   && clobber(x)
 11919  	// result: (MOVWstoreconst [makeValAndOff(ValAndOff(c).Val()&0xffff | ValAndOff(a).Val()<<16, ValAndOff(a).Off())] {s} p mem)
 11920  	for {
 11921  		c := v.AuxInt
 11922  		s := v.Aux
 11923  		p := v.Args[0]
 11924  		x := v.Args[1]
 11925  		if x.Op != OpS390XMOVHstoreconst {
 11926  			break
 11927  		}
 11928  		a := x.AuxInt
 11929  		if x.Aux != s {
 11930  			break
 11931  		}
 11932  		if p != x.Args[0] {
 11933  			break
 11934  		}
 11935  		mem := x.Args[1]
 11936  		if !(p.Op != OpSB && x.Uses == 1 && ValAndOff(a).Off()+2 == ValAndOff(c).Off() && clobber(x)) {
 11937  			break
 11938  		}
 11939  		v.reset(OpS390XMOVWstoreconst)
 11940  		v.AuxInt = makeValAndOff(ValAndOff(c).Val()&0xffff|ValAndOff(a).Val()<<16, ValAndOff(a).Off())
 11941  		v.Aux = s
 11942  		v.AddArg(p)
 11943  		v.AddArg(mem)
 11944  		return true
 11945  	}
 11946  	return false
 11947  }
 11948  func rewriteValueS390X_OpS390XMOVHstoreidx(v *Value, config *Config) bool {
 11949  	b := v.Block
 11950  	_ = b
 11951  	// match: (MOVHstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
 11952  	// cond:
 11953  	// result: (MOVHstoreidx [c+d] {sym} ptr idx val mem)
 11954  	for {
 11955  		c := v.AuxInt
 11956  		sym := v.Aux
 11957  		v_0 := v.Args[0]
 11958  		if v_0.Op != OpS390XADDconst {
 11959  			break
 11960  		}
 11961  		d := v_0.AuxInt
 11962  		ptr := v_0.Args[0]
 11963  		idx := v.Args[1]
 11964  		val := v.Args[2]
 11965  		mem := v.Args[3]
 11966  		v.reset(OpS390XMOVHstoreidx)
 11967  		v.AuxInt = c + d
 11968  		v.Aux = sym
 11969  		v.AddArg(ptr)
 11970  		v.AddArg(idx)
 11971  		v.AddArg(val)
 11972  		v.AddArg(mem)
 11973  		return true
 11974  	}
 11975  	// match: (MOVHstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
 11976  	// cond:
 11977  	// result: (MOVHstoreidx [c+d] {sym} ptr idx val mem)
 11978  	for {
 11979  		c := v.AuxInt
 11980  		sym := v.Aux
 11981  		ptr := v.Args[0]
 11982  		v_1 := v.Args[1]
 11983  		if v_1.Op != OpS390XADDconst {
 11984  			break
 11985  		}
 11986  		d := v_1.AuxInt
 11987  		idx := v_1.Args[0]
 11988  		val := v.Args[2]
 11989  		mem := v.Args[3]
 11990  		v.reset(OpS390XMOVHstoreidx)
 11991  		v.AuxInt = c + d
 11992  		v.Aux = sym
 11993  		v.AddArg(ptr)
 11994  		v.AddArg(idx)
 11995  		v.AddArg(val)
 11996  		v.AddArg(mem)
 11997  		return true
 11998  	}
 11999  	// match: (MOVHstoreidx [i] {s} p idx w x:(MOVHstoreidx [i-2] {s} p idx (SRDconst [16] w) mem))
 12000  	// cond: x.Uses == 1   && clobber(x)
 12001  	// result: (MOVWstoreidx [i-2] {s} p idx w mem)
 12002  	for {
 12003  		i := v.AuxInt
 12004  		s := v.Aux
 12005  		p := v.Args[0]
 12006  		idx := v.Args[1]
 12007  		w := v.Args[2]
 12008  		x := v.Args[3]
 12009  		if x.Op != OpS390XMOVHstoreidx {
 12010  			break
 12011  		}
 12012  		if x.AuxInt != i-2 {
 12013  			break
 12014  		}
 12015  		if x.Aux != s {
 12016  			break
 12017  		}
 12018  		if p != x.Args[0] {
 12019  			break
 12020  		}
 12021  		if idx != x.Args[1] {
 12022  			break
 12023  		}
 12024  		x_2 := x.Args[2]
 12025  		if x_2.Op != OpS390XSRDconst {
 12026  			break
 12027  		}
 12028  		if x_2.AuxInt != 16 {
 12029  			break
 12030  		}
 12031  		if w != x_2.Args[0] {
 12032  			break
 12033  		}
 12034  		mem := x.Args[3]
 12035  		if !(x.Uses == 1 && clobber(x)) {
 12036  			break
 12037  		}
 12038  		v.reset(OpS390XMOVWstoreidx)
 12039  		v.AuxInt = i - 2
 12040  		v.Aux = s
 12041  		v.AddArg(p)
 12042  		v.AddArg(idx)
 12043  		v.AddArg(w)
 12044  		v.AddArg(mem)
 12045  		return true
 12046  	}
 12047  	// match: (MOVHstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVHstoreidx [i-2] {s} p idx (SRDconst [j+16] w) mem))
 12048  	// cond: x.Uses == 1   && clobber(x)
 12049  	// result: (MOVWstoreidx [i-2] {s} p idx w0 mem)
 12050  	for {
 12051  		i := v.AuxInt
 12052  		s := v.Aux
 12053  		p := v.Args[0]
 12054  		idx := v.Args[1]
 12055  		w0 := v.Args[2]
 12056  		if w0.Op != OpS390XSRDconst {
 12057  			break
 12058  		}
 12059  		j := w0.AuxInt
 12060  		w := w0.Args[0]
 12061  		x := v.Args[3]
 12062  		if x.Op != OpS390XMOVHstoreidx {
 12063  			break
 12064  		}
 12065  		if x.AuxInt != i-2 {
 12066  			break
 12067  		}
 12068  		if x.Aux != s {
 12069  			break
 12070  		}
 12071  		if p != x.Args[0] {
 12072  			break
 12073  		}
 12074  		if idx != x.Args[1] {
 12075  			break
 12076  		}
 12077  		x_2 := x.Args[2]
 12078  		if x_2.Op != OpS390XSRDconst {
 12079  			break
 12080  		}
 12081  		if x_2.AuxInt != j+16 {
 12082  			break
 12083  		}
 12084  		if w != x_2.Args[0] {
 12085  			break
 12086  		}
 12087  		mem := x.Args[3]
 12088  		if !(x.Uses == 1 && clobber(x)) {
 12089  			break
 12090  		}
 12091  		v.reset(OpS390XMOVWstoreidx)
 12092  		v.AuxInt = i - 2
 12093  		v.Aux = s
 12094  		v.AddArg(p)
 12095  		v.AddArg(idx)
 12096  		v.AddArg(w0)
 12097  		v.AddArg(mem)
 12098  		return true
 12099  	}
 12100  	// match: (MOVHstoreidx [i] {s} p idx w x:(MOVHstoreidx [i-2] {s} p idx (SRWconst [16] w) mem))
 12101  	// cond: x.Uses == 1   && clobber(x)
 12102  	// result: (MOVWstoreidx [i-2] {s} p idx w mem)
 12103  	for {
 12104  		i := v.AuxInt
 12105  		s := v.Aux
 12106  		p := v.Args[0]
 12107  		idx := v.Args[1]
 12108  		w := v.Args[2]
 12109  		x := v.Args[3]
 12110  		if x.Op != OpS390XMOVHstoreidx {
 12111  			break
 12112  		}
 12113  		if x.AuxInt != i-2 {
 12114  			break
 12115  		}
 12116  		if x.Aux != s {
 12117  			break
 12118  		}
 12119  		if p != x.Args[0] {
 12120  			break
 12121  		}
 12122  		if idx != x.Args[1] {
 12123  			break
 12124  		}
 12125  		x_2 := x.Args[2]
 12126  		if x_2.Op != OpS390XSRWconst {
 12127  			break
 12128  		}
 12129  		if x_2.AuxInt != 16 {
 12130  			break
 12131  		}
 12132  		if w != x_2.Args[0] {
 12133  			break
 12134  		}
 12135  		mem := x.Args[3]
 12136  		if !(x.Uses == 1 && clobber(x)) {
 12137  			break
 12138  		}
 12139  		v.reset(OpS390XMOVWstoreidx)
 12140  		v.AuxInt = i - 2
 12141  		v.Aux = s
 12142  		v.AddArg(p)
 12143  		v.AddArg(idx)
 12144  		v.AddArg(w)
 12145  		v.AddArg(mem)
 12146  		return true
 12147  	}
 12148  	// match: (MOVHstoreidx [i] {s} p idx w0:(SRWconst [j] w) x:(MOVHstoreidx [i-2] {s} p idx (SRWconst [j+16] w) mem))
 12149  	// cond: x.Uses == 1   && clobber(x)
 12150  	// result: (MOVWstoreidx [i-2] {s} p idx w0 mem)
 12151  	for {
 12152  		i := v.AuxInt
 12153  		s := v.Aux
 12154  		p := v.Args[0]
 12155  		idx := v.Args[1]
 12156  		w0 := v.Args[2]
 12157  		if w0.Op != OpS390XSRWconst {
 12158  			break
 12159  		}
 12160  		j := w0.AuxInt
 12161  		w := w0.Args[0]
 12162  		x := v.Args[3]
 12163  		if x.Op != OpS390XMOVHstoreidx {
 12164  			break
 12165  		}
 12166  		if x.AuxInt != i-2 {
 12167  			break
 12168  		}
 12169  		if x.Aux != s {
 12170  			break
 12171  		}
 12172  		if p != x.Args[0] {
 12173  			break
 12174  		}
 12175  		if idx != x.Args[1] {
 12176  			break
 12177  		}
 12178  		x_2 := x.Args[2]
 12179  		if x_2.Op != OpS390XSRWconst {
 12180  			break
 12181  		}
 12182  		if x_2.AuxInt != j+16 {
 12183  			break
 12184  		}
 12185  		if w != x_2.Args[0] {
 12186  			break
 12187  		}
 12188  		mem := x.Args[3]
 12189  		if !(x.Uses == 1 && clobber(x)) {
 12190  			break
 12191  		}
 12192  		v.reset(OpS390XMOVWstoreidx)
 12193  		v.AuxInt = i - 2
 12194  		v.Aux = s
 12195  		v.AddArg(p)
 12196  		v.AddArg(idx)
 12197  		v.AddArg(w0)
 12198  		v.AddArg(mem)
 12199  		return true
 12200  	}
 12201  	return false
 12202  }
 12203  func rewriteValueS390X_OpS390XMOVWBRstore(v *Value, config *Config) bool {
 12204  	b := v.Block
 12205  	_ = b
 12206  	// match: (MOVWBRstore [i] {s} p (SRDconst [32] w) x:(MOVWBRstore [i-4] {s} p w mem))
 12207  	// cond: x.Uses == 1   && clobber(x)
 12208  	// result: (MOVDBRstore [i-4] {s} p w mem)
 12209  	for {
 12210  		i := v.AuxInt
 12211  		s := v.Aux
 12212  		p := v.Args[0]
 12213  		v_1 := v.Args[1]
 12214  		if v_1.Op != OpS390XSRDconst {
 12215  			break
 12216  		}
 12217  		if v_1.AuxInt != 32 {
 12218  			break
 12219  		}
 12220  		w := v_1.Args[0]
 12221  		x := v.Args[2]
 12222  		if x.Op != OpS390XMOVWBRstore {
 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 w != x.Args[1] {
 12235  			break
 12236  		}
 12237  		mem := x.Args[2]
 12238  		if !(x.Uses == 1 && clobber(x)) {
 12239  			break
 12240  		}
 12241  		v.reset(OpS390XMOVDBRstore)
 12242  		v.AuxInt = i - 4
 12243  		v.Aux = s
 12244  		v.AddArg(p)
 12245  		v.AddArg(w)
 12246  		v.AddArg(mem)
 12247  		return true
 12248  	}
 12249  	// match: (MOVWBRstore [i] {s} p (SRDconst [j] w) x:(MOVWBRstore [i-4] {s} p w0:(SRDconst [j-32] w) mem))
 12250  	// cond: x.Uses == 1   && clobber(x)
 12251  	// result: (MOVDBRstore [i-4] {s} p w0 mem)
 12252  	for {
 12253  		i := v.AuxInt
 12254  		s := v.Aux
 12255  		p := v.Args[0]
 12256  		v_1 := v.Args[1]
 12257  		if v_1.Op != OpS390XSRDconst {
 12258  			break
 12259  		}
 12260  		j := v_1.AuxInt
 12261  		w := v_1.Args[0]
 12262  		x := v.Args[2]
 12263  		if x.Op != OpS390XMOVWBRstore {
 12264  			break
 12265  		}
 12266  		if x.AuxInt != i-4 {
 12267  			break
 12268  		}
 12269  		if x.Aux != s {
 12270  			break
 12271  		}
 12272  		if p != x.Args[0] {
 12273  			break
 12274  		}
 12275  		w0 := x.Args[1]
 12276  		if w0.Op != OpS390XSRDconst {
 12277  			break
 12278  		}
 12279  		if w0.AuxInt != j-32 {
 12280  			break
 12281  		}
 12282  		if w != w0.Args[0] {
 12283  			break
 12284  		}
 12285  		mem := x.Args[2]
 12286  		if !(x.Uses == 1 && clobber(x)) {
 12287  			break
 12288  		}
 12289  		v.reset(OpS390XMOVDBRstore)
 12290  		v.AuxInt = i - 4
 12291  		v.Aux = s
 12292  		v.AddArg(p)
 12293  		v.AddArg(w0)
 12294  		v.AddArg(mem)
 12295  		return true
 12296  	}
 12297  	return false
 12298  }
 12299  func rewriteValueS390X_OpS390XMOVWBRstoreidx(v *Value, config *Config) bool {
 12300  	b := v.Block
 12301  	_ = b
 12302  	// match: (MOVWBRstoreidx [i] {s} p idx (SRDconst [32] w) x:(MOVWBRstoreidx [i-4] {s} p idx w mem))
 12303  	// cond: x.Uses == 1   && clobber(x)
 12304  	// result: (MOVDBRstoreidx [i-4] {s} p idx w mem)
 12305  	for {
 12306  		i := v.AuxInt
 12307  		s := v.Aux
 12308  		p := v.Args[0]
 12309  		idx := v.Args[1]
 12310  		v_2 := v.Args[2]
 12311  		if v_2.Op != OpS390XSRDconst {
 12312  			break
 12313  		}
 12314  		if v_2.AuxInt != 32 {
 12315  			break
 12316  		}
 12317  		w := v_2.Args[0]
 12318  		x := v.Args[3]
 12319  		if x.Op != OpS390XMOVWBRstoreidx {
 12320  			break
 12321  		}
 12322  		if x.AuxInt != i-4 {
 12323  			break
 12324  		}
 12325  		if x.Aux != s {
 12326  			break
 12327  		}
 12328  		if p != x.Args[0] {
 12329  			break
 12330  		}
 12331  		if idx != x.Args[1] {
 12332  			break
 12333  		}
 12334  		if w != x.Args[2] {
 12335  			break
 12336  		}
 12337  		mem := x.Args[3]
 12338  		if !(x.Uses == 1 && clobber(x)) {
 12339  			break
 12340  		}
 12341  		v.reset(OpS390XMOVDBRstoreidx)
 12342  		v.AuxInt = i - 4
 12343  		v.Aux = s
 12344  		v.AddArg(p)
 12345  		v.AddArg(idx)
 12346  		v.AddArg(w)
 12347  		v.AddArg(mem)
 12348  		return true
 12349  	}
 12350  	// match: (MOVWBRstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVWBRstoreidx [i-4] {s} p idx w0:(SRDconst [j-32] w) mem))
 12351  	// cond: x.Uses == 1   && clobber(x)
 12352  	// result: (MOVDBRstoreidx [i-4] {s} p idx w0 mem)
 12353  	for {
 12354  		i := v.AuxInt
 12355  		s := v.Aux
 12356  		p := v.Args[0]
 12357  		idx := v.Args[1]
 12358  		v_2 := v.Args[2]
 12359  		if v_2.Op != OpS390XSRDconst {
 12360  			break
 12361  		}
 12362  		j := v_2.AuxInt
 12363  		w := v_2.Args[0]
 12364  		x := v.Args[3]
 12365  		if x.Op != OpS390XMOVWBRstoreidx {
 12366  			break
 12367  		}
 12368  		if x.AuxInt != i-4 {
 12369  			break
 12370  		}
 12371  		if x.Aux != s {
 12372  			break
 12373  		}
 12374  		if p != x.Args[0] {
 12375  			break
 12376  		}
 12377  		if idx != x.Args[1] {
 12378  			break
 12379  		}
 12380  		w0 := x.Args[2]
 12381  		if w0.Op != OpS390XSRDconst {
 12382  			break
 12383  		}
 12384  		if w0.AuxInt != j-32 {
 12385  			break
 12386  		}
 12387  		if w != w0.Args[0] {
 12388  			break
 12389  		}
 12390  		mem := x.Args[3]
 12391  		if !(x.Uses == 1 && clobber(x)) {
 12392  			break
 12393  		}
 12394  		v.reset(OpS390XMOVDBRstoreidx)
 12395  		v.AuxInt = i - 4
 12396  		v.Aux = s
 12397  		v.AddArg(p)
 12398  		v.AddArg(idx)
 12399  		v.AddArg(w0)
 12400  		v.AddArg(mem)
 12401  		return true
 12402  	}
 12403  	return false
 12404  }
 12405  func rewriteValueS390X_OpS390XMOVWZload(v *Value, config *Config) bool {
 12406  	b := v.Block
 12407  	_ = b
 12408  	// match: (MOVWZload [off] {sym} ptr (MOVWstore [off2] {sym2} ptr2 x _))
 12409  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 12410  	// result: (MOVDreg x)
 12411  	for {
 12412  		off := v.AuxInt
 12413  		sym := v.Aux
 12414  		ptr := v.Args[0]
 12415  		v_1 := v.Args[1]
 12416  		if v_1.Op != OpS390XMOVWstore {
 12417  			break
 12418  		}
 12419  		off2 := v_1.AuxInt
 12420  		sym2 := v_1.Aux
 12421  		ptr2 := v_1.Args[0]
 12422  		x := v_1.Args[1]
 12423  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 12424  			break
 12425  		}
 12426  		v.reset(OpS390XMOVDreg)
 12427  		v.AddArg(x)
 12428  		return true
 12429  	}
 12430  	// match: (MOVWZload  [off1] {sym} (ADDconst [off2] ptr) mem)
 12431  	// cond: is20Bit(off1+off2)
 12432  	// result: (MOVWZload [off1+off2] {sym} ptr mem)
 12433  	for {
 12434  		off1 := v.AuxInt
 12435  		sym := v.Aux
 12436  		v_0 := v.Args[0]
 12437  		if v_0.Op != OpS390XADDconst {
 12438  			break
 12439  		}
 12440  		off2 := v_0.AuxInt
 12441  		ptr := v_0.Args[0]
 12442  		mem := v.Args[1]
 12443  		if !(is20Bit(off1 + off2)) {
 12444  			break
 12445  		}
 12446  		v.reset(OpS390XMOVWZload)
 12447  		v.AuxInt = off1 + off2
 12448  		v.Aux = sym
 12449  		v.AddArg(ptr)
 12450  		v.AddArg(mem)
 12451  		return true
 12452  	}
 12453  	// match: (MOVWZload  [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 12454  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 12455  	// result: (MOVWZload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
 12456  	for {
 12457  		off1 := v.AuxInt
 12458  		sym1 := v.Aux
 12459  		v_0 := v.Args[0]
 12460  		if v_0.Op != OpS390XMOVDaddr {
 12461  			break
 12462  		}
 12463  		off2 := v_0.AuxInt
 12464  		sym2 := v_0.Aux
 12465  		base := v_0.Args[0]
 12466  		mem := v.Args[1]
 12467  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 12468  			break
 12469  		}
 12470  		v.reset(OpS390XMOVWZload)
 12471  		v.AuxInt = off1 + off2
 12472  		v.Aux = mergeSym(sym1, sym2)
 12473  		v.AddArg(base)
 12474  		v.AddArg(mem)
 12475  		return true
 12476  	}
 12477  	// match: (MOVWZload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
 12478  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 12479  	// result: (MOVWZloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
 12480  	for {
 12481  		off1 := v.AuxInt
 12482  		sym1 := v.Aux
 12483  		v_0 := v.Args[0]
 12484  		if v_0.Op != OpS390XMOVDaddridx {
 12485  			break
 12486  		}
 12487  		off2 := v_0.AuxInt
 12488  		sym2 := v_0.Aux
 12489  		ptr := v_0.Args[0]
 12490  		idx := v_0.Args[1]
 12491  		mem := v.Args[1]
 12492  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 12493  			break
 12494  		}
 12495  		v.reset(OpS390XMOVWZloadidx)
 12496  		v.AuxInt = off1 + off2
 12497  		v.Aux = mergeSym(sym1, sym2)
 12498  		v.AddArg(ptr)
 12499  		v.AddArg(idx)
 12500  		v.AddArg(mem)
 12501  		return true
 12502  	}
 12503  	// match: (MOVWZload [off] {sym} (ADD ptr idx) mem)
 12504  	// cond: ptr.Op != OpSB
 12505  	// result: (MOVWZloadidx [off] {sym} ptr idx mem)
 12506  	for {
 12507  		off := v.AuxInt
 12508  		sym := v.Aux
 12509  		v_0 := v.Args[0]
 12510  		if v_0.Op != OpS390XADD {
 12511  			break
 12512  		}
 12513  		ptr := v_0.Args[0]
 12514  		idx := v_0.Args[1]
 12515  		mem := v.Args[1]
 12516  		if !(ptr.Op != OpSB) {
 12517  			break
 12518  		}
 12519  		v.reset(OpS390XMOVWZloadidx)
 12520  		v.AuxInt = off
 12521  		v.Aux = sym
 12522  		v.AddArg(ptr)
 12523  		v.AddArg(idx)
 12524  		v.AddArg(mem)
 12525  		return true
 12526  	}
 12527  	return false
 12528  }
 12529  func rewriteValueS390X_OpS390XMOVWZloadidx(v *Value, config *Config) bool {
 12530  	b := v.Block
 12531  	_ = b
 12532  	// match: (MOVWZloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
 12533  	// cond:
 12534  	// result: (MOVWZloadidx [c+d] {sym} ptr idx mem)
 12535  	for {
 12536  		c := v.AuxInt
 12537  		sym := v.Aux
 12538  		v_0 := v.Args[0]
 12539  		if v_0.Op != OpS390XADDconst {
 12540  			break
 12541  		}
 12542  		d := v_0.AuxInt
 12543  		ptr := v_0.Args[0]
 12544  		idx := v.Args[1]
 12545  		mem := v.Args[2]
 12546  		v.reset(OpS390XMOVWZloadidx)
 12547  		v.AuxInt = c + d
 12548  		v.Aux = sym
 12549  		v.AddArg(ptr)
 12550  		v.AddArg(idx)
 12551  		v.AddArg(mem)
 12552  		return true
 12553  	}
 12554  	// match: (MOVWZloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
 12555  	// cond:
 12556  	// result: (MOVWZloadidx [c+d] {sym} ptr idx mem)
 12557  	for {
 12558  		c := v.AuxInt
 12559  		sym := v.Aux
 12560  		ptr := v.Args[0]
 12561  		v_1 := v.Args[1]
 12562  		if v_1.Op != OpS390XADDconst {
 12563  			break
 12564  		}
 12565  		d := v_1.AuxInt
 12566  		idx := v_1.Args[0]
 12567  		mem := v.Args[2]
 12568  		v.reset(OpS390XMOVWZloadidx)
 12569  		v.AuxInt = c + d
 12570  		v.Aux = sym
 12571  		v.AddArg(ptr)
 12572  		v.AddArg(idx)
 12573  		v.AddArg(mem)
 12574  		return true
 12575  	}
 12576  	return false
 12577  }
 12578  func rewriteValueS390X_OpS390XMOVWZreg(v *Value, config *Config) bool {
 12579  	b := v.Block
 12580  	_ = b
 12581  	// match: (MOVWZreg x:(MOVBZload _ _))
 12582  	// cond:
 12583  	// result: (MOVDreg x)
 12584  	for {
 12585  		x := v.Args[0]
 12586  		if x.Op != OpS390XMOVBZload {
 12587  			break
 12588  		}
 12589  		v.reset(OpS390XMOVDreg)
 12590  		v.AddArg(x)
 12591  		return true
 12592  	}
 12593  	// match: (MOVWZreg x:(MOVHZload _ _))
 12594  	// cond:
 12595  	// result: (MOVDreg x)
 12596  	for {
 12597  		x := v.Args[0]
 12598  		if x.Op != OpS390XMOVHZload {
 12599  			break
 12600  		}
 12601  		v.reset(OpS390XMOVDreg)
 12602  		v.AddArg(x)
 12603  		return true
 12604  	}
 12605  	// match: (MOVWZreg x:(MOVWZload _ _))
 12606  	// cond:
 12607  	// result: (MOVDreg x)
 12608  	for {
 12609  		x := v.Args[0]
 12610  		if x.Op != OpS390XMOVWZload {
 12611  			break
 12612  		}
 12613  		v.reset(OpS390XMOVDreg)
 12614  		v.AddArg(x)
 12615  		return true
 12616  	}
 12617  	// match: (MOVWZreg x:(Arg <t>))
 12618  	// cond: (is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && !isSigned(t)
 12619  	// result: (MOVDreg x)
 12620  	for {
 12621  		x := v.Args[0]
 12622  		if x.Op != OpArg {
 12623  			break
 12624  		}
 12625  		t := x.Type
 12626  		if !((is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && !isSigned(t)) {
 12627  			break
 12628  		}
 12629  		v.reset(OpS390XMOVDreg)
 12630  		v.AddArg(x)
 12631  		return true
 12632  	}
 12633  	// match: (MOVWZreg x:(MOVBZreg _))
 12634  	// cond:
 12635  	// result: (MOVDreg x)
 12636  	for {
 12637  		x := v.Args[0]
 12638  		if x.Op != OpS390XMOVBZreg {
 12639  			break
 12640  		}
 12641  		v.reset(OpS390XMOVDreg)
 12642  		v.AddArg(x)
 12643  		return true
 12644  	}
 12645  	// match: (MOVWZreg x:(MOVHZreg _))
 12646  	// cond:
 12647  	// result: (MOVDreg x)
 12648  	for {
 12649  		x := v.Args[0]
 12650  		if x.Op != OpS390XMOVHZreg {
 12651  			break
 12652  		}
 12653  		v.reset(OpS390XMOVDreg)
 12654  		v.AddArg(x)
 12655  		return true
 12656  	}
 12657  	// match: (MOVWZreg x:(MOVWZreg _))
 12658  	// cond:
 12659  	// result: (MOVDreg x)
 12660  	for {
 12661  		x := v.Args[0]
 12662  		if x.Op != OpS390XMOVWZreg {
 12663  			break
 12664  		}
 12665  		v.reset(OpS390XMOVDreg)
 12666  		v.AddArg(x)
 12667  		return true
 12668  	}
 12669  	// match: (MOVWZreg (MOVDconst [c]))
 12670  	// cond:
 12671  	// result: (MOVDconst [int64(uint32(c))])
 12672  	for {
 12673  		v_0 := v.Args[0]
 12674  		if v_0.Op != OpS390XMOVDconst {
 12675  			break
 12676  		}
 12677  		c := v_0.AuxInt
 12678  		v.reset(OpS390XMOVDconst)
 12679  		v.AuxInt = int64(uint32(c))
 12680  		return true
 12681  	}
 12682  	// match: (MOVWZreg x:(MOVWZload [off] {sym} ptr mem))
 12683  	// cond: x.Uses == 1 && clobber(x)
 12684  	// result: @x.Block (MOVWZload <v.Type> [off] {sym} ptr mem)
 12685  	for {
 12686  		x := v.Args[0]
 12687  		if x.Op != OpS390XMOVWZload {
 12688  			break
 12689  		}
 12690  		off := x.AuxInt
 12691  		sym := x.Aux
 12692  		ptr := x.Args[0]
 12693  		mem := x.Args[1]
 12694  		if !(x.Uses == 1 && clobber(x)) {
 12695  			break
 12696  		}
 12697  		b = x.Block
 12698  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZload, v.Type)
 12699  		v.reset(OpCopy)
 12700  		v.AddArg(v0)
 12701  		v0.AuxInt = off
 12702  		v0.Aux = sym
 12703  		v0.AddArg(ptr)
 12704  		v0.AddArg(mem)
 12705  		return true
 12706  	}
 12707  	// match: (MOVWZreg x:(MOVWZloadidx [off] {sym} ptr idx mem))
 12708  	// cond: x.Uses == 1 && clobber(x)
 12709  	// result: @x.Block (MOVWZloadidx <v.Type> [off] {sym} ptr idx mem)
 12710  	for {
 12711  		x := v.Args[0]
 12712  		if x.Op != OpS390XMOVWZloadidx {
 12713  			break
 12714  		}
 12715  		off := x.AuxInt
 12716  		sym := x.Aux
 12717  		ptr := x.Args[0]
 12718  		idx := x.Args[1]
 12719  		mem := x.Args[2]
 12720  		if !(x.Uses == 1 && clobber(x)) {
 12721  			break
 12722  		}
 12723  		b = x.Block
 12724  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, v.Type)
 12725  		v.reset(OpCopy)
 12726  		v.AddArg(v0)
 12727  		v0.AuxInt = off
 12728  		v0.Aux = sym
 12729  		v0.AddArg(ptr)
 12730  		v0.AddArg(idx)
 12731  		v0.AddArg(mem)
 12732  		return true
 12733  	}
 12734  	return false
 12735  }
 12736  func rewriteValueS390X_OpS390XMOVWload(v *Value, config *Config) bool {
 12737  	b := v.Block
 12738  	_ = b
 12739  	// match: (MOVWload   [off1] {sym} (ADDconst [off2] ptr) mem)
 12740  	// cond: is20Bit(off1+off2)
 12741  	// result: (MOVWload  [off1+off2] {sym} ptr mem)
 12742  	for {
 12743  		off1 := v.AuxInt
 12744  		sym := v.Aux
 12745  		v_0 := v.Args[0]
 12746  		if v_0.Op != OpS390XADDconst {
 12747  			break
 12748  		}
 12749  		off2 := v_0.AuxInt
 12750  		ptr := v_0.Args[0]
 12751  		mem := v.Args[1]
 12752  		if !(is20Bit(off1 + off2)) {
 12753  			break
 12754  		}
 12755  		v.reset(OpS390XMOVWload)
 12756  		v.AuxInt = off1 + off2
 12757  		v.Aux = sym
 12758  		v.AddArg(ptr)
 12759  		v.AddArg(mem)
 12760  		return true
 12761  	}
 12762  	// match: (MOVWload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 12763  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 12764  	// result: (MOVWload [off1+off2] {mergeSym(sym1,sym2)} base mem)
 12765  	for {
 12766  		off1 := v.AuxInt
 12767  		sym1 := v.Aux
 12768  		v_0 := v.Args[0]
 12769  		if v_0.Op != OpS390XMOVDaddr {
 12770  			break
 12771  		}
 12772  		off2 := v_0.AuxInt
 12773  		sym2 := v_0.Aux
 12774  		base := v_0.Args[0]
 12775  		mem := v.Args[1]
 12776  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 12777  			break
 12778  		}
 12779  		v.reset(OpS390XMOVWload)
 12780  		v.AuxInt = off1 + off2
 12781  		v.Aux = mergeSym(sym1, sym2)
 12782  		v.AddArg(base)
 12783  		v.AddArg(mem)
 12784  		return true
 12785  	}
 12786  	return false
 12787  }
 12788  func rewriteValueS390X_OpS390XMOVWreg(v *Value, config *Config) bool {
 12789  	b := v.Block
 12790  	_ = b
 12791  	// match: (MOVWreg x:(MOVBload _ _))
 12792  	// cond:
 12793  	// result: (MOVDreg x)
 12794  	for {
 12795  		x := v.Args[0]
 12796  		if x.Op != OpS390XMOVBload {
 12797  			break
 12798  		}
 12799  		v.reset(OpS390XMOVDreg)
 12800  		v.AddArg(x)
 12801  		return true
 12802  	}
 12803  	// match: (MOVWreg x:(MOVBZload _ _))
 12804  	// cond:
 12805  	// result: (MOVDreg x)
 12806  	for {
 12807  		x := v.Args[0]
 12808  		if x.Op != OpS390XMOVBZload {
 12809  			break
 12810  		}
 12811  		v.reset(OpS390XMOVDreg)
 12812  		v.AddArg(x)
 12813  		return true
 12814  	}
 12815  	// match: (MOVWreg x:(MOVHload _ _))
 12816  	// cond:
 12817  	// result: (MOVDreg x)
 12818  	for {
 12819  		x := v.Args[0]
 12820  		if x.Op != OpS390XMOVHload {
 12821  			break
 12822  		}
 12823  		v.reset(OpS390XMOVDreg)
 12824  		v.AddArg(x)
 12825  		return true
 12826  	}
 12827  	// match: (MOVWreg x:(MOVHZload _ _))
 12828  	// cond:
 12829  	// result: (MOVDreg x)
 12830  	for {
 12831  		x := v.Args[0]
 12832  		if x.Op != OpS390XMOVHZload {
 12833  			break
 12834  		}
 12835  		v.reset(OpS390XMOVDreg)
 12836  		v.AddArg(x)
 12837  		return true
 12838  	}
 12839  	// match: (MOVWreg x:(MOVWload _ _))
 12840  	// cond:
 12841  	// result: (MOVDreg x)
 12842  	for {
 12843  		x := v.Args[0]
 12844  		if x.Op != OpS390XMOVWload {
 12845  			break
 12846  		}
 12847  		v.reset(OpS390XMOVDreg)
 12848  		v.AddArg(x)
 12849  		return true
 12850  	}
 12851  	// match: (MOVWreg x:(Arg <t>))
 12852  	// cond: (is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && isSigned(t)
 12853  	// result: (MOVDreg x)
 12854  	for {
 12855  		x := v.Args[0]
 12856  		if x.Op != OpArg {
 12857  			break
 12858  		}
 12859  		t := x.Type
 12860  		if !((is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && isSigned(t)) {
 12861  			break
 12862  		}
 12863  		v.reset(OpS390XMOVDreg)
 12864  		v.AddArg(x)
 12865  		return true
 12866  	}
 12867  	// match: (MOVWreg x:(MOVBreg _))
 12868  	// cond:
 12869  	// result: (MOVDreg x)
 12870  	for {
 12871  		x := v.Args[0]
 12872  		if x.Op != OpS390XMOVBreg {
 12873  			break
 12874  		}
 12875  		v.reset(OpS390XMOVDreg)
 12876  		v.AddArg(x)
 12877  		return true
 12878  	}
 12879  	// match: (MOVWreg x:(MOVBZreg _))
 12880  	// cond:
 12881  	// result: (MOVDreg x)
 12882  	for {
 12883  		x := v.Args[0]
 12884  		if x.Op != OpS390XMOVBZreg {
 12885  			break
 12886  		}
 12887  		v.reset(OpS390XMOVDreg)
 12888  		v.AddArg(x)
 12889  		return true
 12890  	}
 12891  	// match: (MOVWreg x:(MOVHreg _))
 12892  	// cond:
 12893  	// result: (MOVDreg x)
 12894  	for {
 12895  		x := v.Args[0]
 12896  		if x.Op != OpS390XMOVHreg {
 12897  			break
 12898  		}
 12899  		v.reset(OpS390XMOVDreg)
 12900  		v.AddArg(x)
 12901  		return true
 12902  	}
 12903  	// match: (MOVWreg x:(MOVHreg _))
 12904  	// cond:
 12905  	// result: (MOVDreg x)
 12906  	for {
 12907  		x := v.Args[0]
 12908  		if x.Op != OpS390XMOVHreg {
 12909  			break
 12910  		}
 12911  		v.reset(OpS390XMOVDreg)
 12912  		v.AddArg(x)
 12913  		return true
 12914  	}
 12915  	// match: (MOVWreg x:(MOVWreg _))
 12916  	// cond:
 12917  	// result: (MOVDreg x)
 12918  	for {
 12919  		x := v.Args[0]
 12920  		if x.Op != OpS390XMOVWreg {
 12921  			break
 12922  		}
 12923  		v.reset(OpS390XMOVDreg)
 12924  		v.AddArg(x)
 12925  		return true
 12926  	}
 12927  	// match: (MOVWreg (MOVDconst [c]))
 12928  	// cond:
 12929  	// result: (MOVDconst [int64(int32(c))])
 12930  	for {
 12931  		v_0 := v.Args[0]
 12932  		if v_0.Op != OpS390XMOVDconst {
 12933  			break
 12934  		}
 12935  		c := v_0.AuxInt
 12936  		v.reset(OpS390XMOVDconst)
 12937  		v.AuxInt = int64(int32(c))
 12938  		return true
 12939  	}
 12940  	// match: (MOVWreg x:(MOVWZload [off] {sym} ptr mem))
 12941  	// cond: x.Uses == 1 && clobber(x)
 12942  	// result: @x.Block (MOVWload <v.Type> [off] {sym} ptr mem)
 12943  	for {
 12944  		x := v.Args[0]
 12945  		if x.Op != OpS390XMOVWZload {
 12946  			break
 12947  		}
 12948  		off := x.AuxInt
 12949  		sym := x.Aux
 12950  		ptr := x.Args[0]
 12951  		mem := x.Args[1]
 12952  		if !(x.Uses == 1 && clobber(x)) {
 12953  			break
 12954  		}
 12955  		b = x.Block
 12956  		v0 := b.NewValue0(v.Pos, OpS390XMOVWload, v.Type)
 12957  		v.reset(OpCopy)
 12958  		v.AddArg(v0)
 12959  		v0.AuxInt = off
 12960  		v0.Aux = sym
 12961  		v0.AddArg(ptr)
 12962  		v0.AddArg(mem)
 12963  		return true
 12964  	}
 12965  	return false
 12966  }
 12967  func rewriteValueS390X_OpS390XMOVWstore(v *Value, config *Config) bool {
 12968  	b := v.Block
 12969  	_ = b
 12970  	// match: (MOVWstore [off] {sym} ptr (MOVWreg x) mem)
 12971  	// cond:
 12972  	// result: (MOVWstore [off] {sym} ptr x mem)
 12973  	for {
 12974  		off := v.AuxInt
 12975  		sym := v.Aux
 12976  		ptr := v.Args[0]
 12977  		v_1 := v.Args[1]
 12978  		if v_1.Op != OpS390XMOVWreg {
 12979  			break
 12980  		}
 12981  		x := v_1.Args[0]
 12982  		mem := v.Args[2]
 12983  		v.reset(OpS390XMOVWstore)
 12984  		v.AuxInt = off
 12985  		v.Aux = sym
 12986  		v.AddArg(ptr)
 12987  		v.AddArg(x)
 12988  		v.AddArg(mem)
 12989  		return true
 12990  	}
 12991  	// match: (MOVWstore [off] {sym} ptr (MOVWZreg x) mem)
 12992  	// cond:
 12993  	// result: (MOVWstore [off] {sym} ptr x mem)
 12994  	for {
 12995  		off := v.AuxInt
 12996  		sym := v.Aux
 12997  		ptr := v.Args[0]
 12998  		v_1 := v.Args[1]
 12999  		if v_1.Op != OpS390XMOVWZreg {
 13000  			break
 13001  		}
 13002  		x := v_1.Args[0]
 13003  		mem := v.Args[2]
 13004  		v.reset(OpS390XMOVWstore)
 13005  		v.AuxInt = off
 13006  		v.Aux = sym
 13007  		v.AddArg(ptr)
 13008  		v.AddArg(x)
 13009  		v.AddArg(mem)
 13010  		return true
 13011  	}
 13012  	// match: (MOVWstore  [off1] {sym} (ADDconst [off2] ptr) val mem)
 13013  	// cond: is20Bit(off1+off2)
 13014  	// result: (MOVWstore  [off1+off2] {sym} ptr val mem)
 13015  	for {
 13016  		off1 := v.AuxInt
 13017  		sym := v.Aux
 13018  		v_0 := v.Args[0]
 13019  		if v_0.Op != OpS390XADDconst {
 13020  			break
 13021  		}
 13022  		off2 := v_0.AuxInt
 13023  		ptr := v_0.Args[0]
 13024  		val := v.Args[1]
 13025  		mem := v.Args[2]
 13026  		if !(is20Bit(off1 + off2)) {
 13027  			break
 13028  		}
 13029  		v.reset(OpS390XMOVWstore)
 13030  		v.AuxInt = off1 + off2
 13031  		v.Aux = sym
 13032  		v.AddArg(ptr)
 13033  		v.AddArg(val)
 13034  		v.AddArg(mem)
 13035  		return true
 13036  	}
 13037  	// match: (MOVWstore [off] {sym} ptr (MOVDconst [c]) mem)
 13038  	// cond: validOff(off) && int64(int16(c)) == c && ptr.Op != OpSB
 13039  	// result: (MOVWstoreconst [makeValAndOff(int64(int32(c)),off)] {sym} ptr mem)
 13040  	for {
 13041  		off := v.AuxInt
 13042  		sym := v.Aux
 13043  		ptr := v.Args[0]
 13044  		v_1 := v.Args[1]
 13045  		if v_1.Op != OpS390XMOVDconst {
 13046  			break
 13047  		}
 13048  		c := v_1.AuxInt
 13049  		mem := v.Args[2]
 13050  		if !(validOff(off) && int64(int16(c)) == c && ptr.Op != OpSB) {
 13051  			break
 13052  		}
 13053  		v.reset(OpS390XMOVWstoreconst)
 13054  		v.AuxInt = makeValAndOff(int64(int32(c)), off)
 13055  		v.Aux = sym
 13056  		v.AddArg(ptr)
 13057  		v.AddArg(mem)
 13058  		return true
 13059  	}
 13060  	// match: (MOVWstore  [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
 13061  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 13062  	// result: (MOVWstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
 13063  	for {
 13064  		off1 := v.AuxInt
 13065  		sym1 := v.Aux
 13066  		v_0 := v.Args[0]
 13067  		if v_0.Op != OpS390XMOVDaddr {
 13068  			break
 13069  		}
 13070  		off2 := v_0.AuxInt
 13071  		sym2 := v_0.Aux
 13072  		base := v_0.Args[0]
 13073  		val := v.Args[1]
 13074  		mem := v.Args[2]
 13075  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 13076  			break
 13077  		}
 13078  		v.reset(OpS390XMOVWstore)
 13079  		v.AuxInt = off1 + off2
 13080  		v.Aux = mergeSym(sym1, sym2)
 13081  		v.AddArg(base)
 13082  		v.AddArg(val)
 13083  		v.AddArg(mem)
 13084  		return true
 13085  	}
 13086  	// match: (MOVWstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
 13087  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 13088  	// result: (MOVWstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
 13089  	for {
 13090  		off1 := v.AuxInt
 13091  		sym1 := v.Aux
 13092  		v_0 := v.Args[0]
 13093  		if v_0.Op != OpS390XMOVDaddridx {
 13094  			break
 13095  		}
 13096  		off2 := v_0.AuxInt
 13097  		sym2 := v_0.Aux
 13098  		ptr := v_0.Args[0]
 13099  		idx := v_0.Args[1]
 13100  		val := v.Args[1]
 13101  		mem := v.Args[2]
 13102  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 13103  			break
 13104  		}
 13105  		v.reset(OpS390XMOVWstoreidx)
 13106  		v.AuxInt = off1 + off2
 13107  		v.Aux = mergeSym(sym1, sym2)
 13108  		v.AddArg(ptr)
 13109  		v.AddArg(idx)
 13110  		v.AddArg(val)
 13111  		v.AddArg(mem)
 13112  		return true
 13113  	}
 13114  	// match: (MOVWstore [off] {sym} (ADD ptr idx) val mem)
 13115  	// cond: ptr.Op != OpSB
 13116  	// result: (MOVWstoreidx [off] {sym} ptr idx val mem)
 13117  	for {
 13118  		off := v.AuxInt
 13119  		sym := v.Aux
 13120  		v_0 := v.Args[0]
 13121  		if v_0.Op != OpS390XADD {
 13122  			break
 13123  		}
 13124  		ptr := v_0.Args[0]
 13125  		idx := v_0.Args[1]
 13126  		val := v.Args[1]
 13127  		mem := v.Args[2]
 13128  		if !(ptr.Op != OpSB) {
 13129  			break
 13130  		}
 13131  		v.reset(OpS390XMOVWstoreidx)
 13132  		v.AuxInt = off
 13133  		v.Aux = sym
 13134  		v.AddArg(ptr)
 13135  		v.AddArg(idx)
 13136  		v.AddArg(val)
 13137  		v.AddArg(mem)
 13138  		return true
 13139  	}
 13140  	// match: (MOVWstore [i] {s} p (SRDconst [32] w) x:(MOVWstore [i-4] {s} p w mem))
 13141  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 13142  	// result: (MOVDstore [i-4] {s} p w mem)
 13143  	for {
 13144  		i := v.AuxInt
 13145  		s := v.Aux
 13146  		p := v.Args[0]
 13147  		v_1 := v.Args[1]
 13148  		if v_1.Op != OpS390XSRDconst {
 13149  			break
 13150  		}
 13151  		if v_1.AuxInt != 32 {
 13152  			break
 13153  		}
 13154  		w := v_1.Args[0]
 13155  		x := v.Args[2]
 13156  		if x.Op != OpS390XMOVWstore {
 13157  			break
 13158  		}
 13159  		if x.AuxInt != i-4 {
 13160  			break
 13161  		}
 13162  		if x.Aux != s {
 13163  			break
 13164  		}
 13165  		if p != x.Args[0] {
 13166  			break
 13167  		}
 13168  		if w != x.Args[1] {
 13169  			break
 13170  		}
 13171  		mem := x.Args[2]
 13172  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 13173  			break
 13174  		}
 13175  		v.reset(OpS390XMOVDstore)
 13176  		v.AuxInt = i - 4
 13177  		v.Aux = s
 13178  		v.AddArg(p)
 13179  		v.AddArg(w)
 13180  		v.AddArg(mem)
 13181  		return true
 13182  	}
 13183  	// match: (MOVWstore [i] {s} p w0:(SRDconst [j] w) x:(MOVWstore [i-4] {s} p (SRDconst [j+32] w) mem))
 13184  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 13185  	// result: (MOVDstore [i-4] {s} p w0 mem)
 13186  	for {
 13187  		i := v.AuxInt
 13188  		s := v.Aux
 13189  		p := v.Args[0]
 13190  		w0 := v.Args[1]
 13191  		if w0.Op != OpS390XSRDconst {
 13192  			break
 13193  		}
 13194  		j := w0.AuxInt
 13195  		w := w0.Args[0]
 13196  		x := v.Args[2]
 13197  		if x.Op != OpS390XMOVWstore {
 13198  			break
 13199  		}
 13200  		if x.AuxInt != i-4 {
 13201  			break
 13202  		}
 13203  		if x.Aux != s {
 13204  			break
 13205  		}
 13206  		if p != x.Args[0] {
 13207  			break
 13208  		}
 13209  		x_1 := x.Args[1]
 13210  		if x_1.Op != OpS390XSRDconst {
 13211  			break
 13212  		}
 13213  		if x_1.AuxInt != j+32 {
 13214  			break
 13215  		}
 13216  		if w != x_1.Args[0] {
 13217  			break
 13218  		}
 13219  		mem := x.Args[2]
 13220  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 13221  			break
 13222  		}
 13223  		v.reset(OpS390XMOVDstore)
 13224  		v.AuxInt = i - 4
 13225  		v.Aux = s
 13226  		v.AddArg(p)
 13227  		v.AddArg(w0)
 13228  		v.AddArg(mem)
 13229  		return true
 13230  	}
 13231  	// match: (MOVWstore [i] {s} p w1 x:(MOVWstore [i-4] {s} p w0 mem))
 13232  	// cond: p.Op != OpSB   && x.Uses == 1   && is20Bit(i-4)   && clobber(x)
 13233  	// result: (STM2 [i-4] {s} p w0 w1 mem)
 13234  	for {
 13235  		i := v.AuxInt
 13236  		s := v.Aux
 13237  		p := v.Args[0]
 13238  		w1 := v.Args[1]
 13239  		x := v.Args[2]
 13240  		if x.Op != OpS390XMOVWstore {
 13241  			break
 13242  		}
 13243  		if x.AuxInt != i-4 {
 13244  			break
 13245  		}
 13246  		if x.Aux != s {
 13247  			break
 13248  		}
 13249  		if p != x.Args[0] {
 13250  			break
 13251  		}
 13252  		w0 := x.Args[1]
 13253  		mem := x.Args[2]
 13254  		if !(p.Op != OpSB && x.Uses == 1 && is20Bit(i-4) && clobber(x)) {
 13255  			break
 13256  		}
 13257  		v.reset(OpS390XSTM2)
 13258  		v.AuxInt = i - 4
 13259  		v.Aux = s
 13260  		v.AddArg(p)
 13261  		v.AddArg(w0)
 13262  		v.AddArg(w1)
 13263  		v.AddArg(mem)
 13264  		return true
 13265  	}
 13266  	// match: (MOVWstore [i] {s} p w2 x:(STM2 [i-8] {s} p w0 w1 mem))
 13267  	// cond: x.Uses == 1   && is20Bit(i-8)   && clobber(x)
 13268  	// result: (STM3 [i-8] {s} p w0 w1 w2 mem)
 13269  	for {
 13270  		i := v.AuxInt
 13271  		s := v.Aux
 13272  		p := v.Args[0]
 13273  		w2 := v.Args[1]
 13274  		x := v.Args[2]
 13275  		if x.Op != OpS390XSTM2 {
 13276  			break
 13277  		}
 13278  		if x.AuxInt != i-8 {
 13279  			break
 13280  		}
 13281  		if x.Aux != s {
 13282  			break
 13283  		}
 13284  		if p != x.Args[0] {
 13285  			break
 13286  		}
 13287  		w0 := x.Args[1]
 13288  		w1 := x.Args[2]
 13289  		mem := x.Args[3]
 13290  		if !(x.Uses == 1 && is20Bit(i-8) && clobber(x)) {
 13291  			break
 13292  		}
 13293  		v.reset(OpS390XSTM3)
 13294  		v.AuxInt = i - 8
 13295  		v.Aux = s
 13296  		v.AddArg(p)
 13297  		v.AddArg(w0)
 13298  		v.AddArg(w1)
 13299  		v.AddArg(w2)
 13300  		v.AddArg(mem)
 13301  		return true
 13302  	}
 13303  	// match: (MOVWstore [i] {s} p w3 x:(STM3 [i-12] {s} p w0 w1 w2 mem))
 13304  	// cond: x.Uses == 1   && is20Bit(i-12)   && clobber(x)
 13305  	// result: (STM4 [i-12] {s} p w0 w1 w2 w3 mem)
 13306  	for {
 13307  		i := v.AuxInt
 13308  		s := v.Aux
 13309  		p := v.Args[0]
 13310  		w3 := v.Args[1]
 13311  		x := v.Args[2]
 13312  		if x.Op != OpS390XSTM3 {
 13313  			break
 13314  		}
 13315  		if x.AuxInt != i-12 {
 13316  			break
 13317  		}
 13318  		if x.Aux != s {
 13319  			break
 13320  		}
 13321  		if p != x.Args[0] {
 13322  			break
 13323  		}
 13324  		w0 := x.Args[1]
 13325  		w1 := x.Args[2]
 13326  		w2 := x.Args[3]
 13327  		mem := x.Args[4]
 13328  		if !(x.Uses == 1 && is20Bit(i-12) && clobber(x)) {
 13329  			break
 13330  		}
 13331  		v.reset(OpS390XSTM4)
 13332  		v.AuxInt = i - 12
 13333  		v.Aux = s
 13334  		v.AddArg(p)
 13335  		v.AddArg(w0)
 13336  		v.AddArg(w1)
 13337  		v.AddArg(w2)
 13338  		v.AddArg(w3)
 13339  		v.AddArg(mem)
 13340  		return true
 13341  	}
 13342  	return false
 13343  }
 13344  func rewriteValueS390X_OpS390XMOVWstoreconst(v *Value, config *Config) bool {
 13345  	b := v.Block
 13346  	_ = b
 13347  	// match: (MOVWstoreconst [sc] {s} (ADDconst [off] ptr) mem)
 13348  	// cond: ValAndOff(sc).canAdd(off)
 13349  	// result: (MOVWstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
 13350  	for {
 13351  		sc := v.AuxInt
 13352  		s := v.Aux
 13353  		v_0 := v.Args[0]
 13354  		if v_0.Op != OpS390XADDconst {
 13355  			break
 13356  		}
 13357  		off := v_0.AuxInt
 13358  		ptr := v_0.Args[0]
 13359  		mem := v.Args[1]
 13360  		if !(ValAndOff(sc).canAdd(off)) {
 13361  			break
 13362  		}
 13363  		v.reset(OpS390XMOVWstoreconst)
 13364  		v.AuxInt = ValAndOff(sc).add(off)
 13365  		v.Aux = s
 13366  		v.AddArg(ptr)
 13367  		v.AddArg(mem)
 13368  		return true
 13369  	}
 13370  	// match: (MOVWstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
 13371  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
 13372  	// result: (MOVWstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
 13373  	for {
 13374  		sc := v.AuxInt
 13375  		sym1 := v.Aux
 13376  		v_0 := v.Args[0]
 13377  		if v_0.Op != OpS390XMOVDaddr {
 13378  			break
 13379  		}
 13380  		off := v_0.AuxInt
 13381  		sym2 := v_0.Aux
 13382  		ptr := v_0.Args[0]
 13383  		mem := v.Args[1]
 13384  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
 13385  			break
 13386  		}
 13387  		v.reset(OpS390XMOVWstoreconst)
 13388  		v.AuxInt = ValAndOff(sc).add(off)
 13389  		v.Aux = mergeSym(sym1, sym2)
 13390  		v.AddArg(ptr)
 13391  		v.AddArg(mem)
 13392  		return true
 13393  	}
 13394  	// match: (MOVWstoreconst [c] {s} p x:(MOVWstoreconst [a] {s} p mem))
 13395  	// cond: p.Op != OpSB   && x.Uses == 1   && ValAndOff(a).Off() + 4 == ValAndOff(c).Off()   && clobber(x)
 13396  	// result: (MOVDstore [ValAndOff(a).Off()] {s} p (MOVDconst [ValAndOff(c).Val()&0xffffffff | ValAndOff(a).Val()<<32]) mem)
 13397  	for {
 13398  		c := v.AuxInt
 13399  		s := v.Aux
 13400  		p := v.Args[0]
 13401  		x := v.Args[1]
 13402  		if x.Op != OpS390XMOVWstoreconst {
 13403  			break
 13404  		}
 13405  		a := x.AuxInt
 13406  		if x.Aux != s {
 13407  			break
 13408  		}
 13409  		if p != x.Args[0] {
 13410  			break
 13411  		}
 13412  		mem := x.Args[1]
 13413  		if !(p.Op != OpSB && x.Uses == 1 && ValAndOff(a).Off()+4 == ValAndOff(c).Off() && clobber(x)) {
 13414  			break
 13415  		}
 13416  		v.reset(OpS390XMOVDstore)
 13417  		v.AuxInt = ValAndOff(a).Off()
 13418  		v.Aux = s
 13419  		v.AddArg(p)
 13420  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
 13421  		v0.AuxInt = ValAndOff(c).Val()&0xffffffff | ValAndOff(a).Val()<<32
 13422  		v.AddArg(v0)
 13423  		v.AddArg(mem)
 13424  		return true
 13425  	}
 13426  	return false
 13427  }
 13428  func rewriteValueS390X_OpS390XMOVWstoreidx(v *Value, config *Config) bool {
 13429  	b := v.Block
 13430  	_ = b
 13431  	// match: (MOVWstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
 13432  	// cond:
 13433  	// result: (MOVWstoreidx [c+d] {sym} ptr idx val mem)
 13434  	for {
 13435  		c := v.AuxInt
 13436  		sym := v.Aux
 13437  		v_0 := v.Args[0]
 13438  		if v_0.Op != OpS390XADDconst {
 13439  			break
 13440  		}
 13441  		d := v_0.AuxInt
 13442  		ptr := v_0.Args[0]
 13443  		idx := v.Args[1]
 13444  		val := v.Args[2]
 13445  		mem := v.Args[3]
 13446  		v.reset(OpS390XMOVWstoreidx)
 13447  		v.AuxInt = c + d
 13448  		v.Aux = sym
 13449  		v.AddArg(ptr)
 13450  		v.AddArg(idx)
 13451  		v.AddArg(val)
 13452  		v.AddArg(mem)
 13453  		return true
 13454  	}
 13455  	// match: (MOVWstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
 13456  	// cond:
 13457  	// result: (MOVWstoreidx [c+d] {sym} ptr idx val mem)
 13458  	for {
 13459  		c := v.AuxInt
 13460  		sym := v.Aux
 13461  		ptr := v.Args[0]
 13462  		v_1 := v.Args[1]
 13463  		if v_1.Op != OpS390XADDconst {
 13464  			break
 13465  		}
 13466  		d := v_1.AuxInt
 13467  		idx := v_1.Args[0]
 13468  		val := v.Args[2]
 13469  		mem := v.Args[3]
 13470  		v.reset(OpS390XMOVWstoreidx)
 13471  		v.AuxInt = c + d
 13472  		v.Aux = sym
 13473  		v.AddArg(ptr)
 13474  		v.AddArg(idx)
 13475  		v.AddArg(val)
 13476  		v.AddArg(mem)
 13477  		return true
 13478  	}
 13479  	// match: (MOVWstoreidx [i] {s} p idx w x:(MOVWstoreidx [i-4] {s} p idx (SRDconst [32] w) mem))
 13480  	// cond: x.Uses == 1   && clobber(x)
 13481  	// result: (MOVDstoreidx [i-4] {s} p idx w mem)
 13482  	for {
 13483  		i := v.AuxInt
 13484  		s := v.Aux
 13485  		p := v.Args[0]
 13486  		idx := v.Args[1]
 13487  		w := v.Args[2]
 13488  		x := v.Args[3]
 13489  		if x.Op != OpS390XMOVWstoreidx {
 13490  			break
 13491  		}
 13492  		if x.AuxInt != i-4 {
 13493  			break
 13494  		}
 13495  		if x.Aux != s {
 13496  			break
 13497  		}
 13498  		if p != x.Args[0] {
 13499  			break
 13500  		}
 13501  		if idx != x.Args[1] {
 13502  			break
 13503  		}
 13504  		x_2 := x.Args[2]
 13505  		if x_2.Op != OpS390XSRDconst {
 13506  			break
 13507  		}
 13508  		if x_2.AuxInt != 32 {
 13509  			break
 13510  		}
 13511  		if w != x_2.Args[0] {
 13512  			break
 13513  		}
 13514  		mem := x.Args[3]
 13515  		if !(x.Uses == 1 && clobber(x)) {
 13516  			break
 13517  		}
 13518  		v.reset(OpS390XMOVDstoreidx)
 13519  		v.AuxInt = i - 4
 13520  		v.Aux = s
 13521  		v.AddArg(p)
 13522  		v.AddArg(idx)
 13523  		v.AddArg(w)
 13524  		v.AddArg(mem)
 13525  		return true
 13526  	}
 13527  	// match: (MOVWstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVWstoreidx [i-4] {s} p idx (SRDconst [j+32] w) mem))
 13528  	// cond: x.Uses == 1   && clobber(x)
 13529  	// result: (MOVDstoreidx [i-4] {s} p idx w0 mem)
 13530  	for {
 13531  		i := v.AuxInt
 13532  		s := v.Aux
 13533  		p := v.Args[0]
 13534  		idx := v.Args[1]
 13535  		w0 := v.Args[2]
 13536  		if w0.Op != OpS390XSRDconst {
 13537  			break
 13538  		}
 13539  		j := w0.AuxInt
 13540  		w := w0.Args[0]
 13541  		x := v.Args[3]
 13542  		if x.Op != OpS390XMOVWstoreidx {
 13543  			break
 13544  		}
 13545  		if x.AuxInt != i-4 {
 13546  			break
 13547  		}
 13548  		if x.Aux != s {
 13549  			break
 13550  		}
 13551  		if p != x.Args[0] {
 13552  			break
 13553  		}
 13554  		if idx != x.Args[1] {
 13555  			break
 13556  		}
 13557  		x_2 := x.Args[2]
 13558  		if x_2.Op != OpS390XSRDconst {
 13559  			break
 13560  		}
 13561  		if x_2.AuxInt != j+32 {
 13562  			break
 13563  		}
 13564  		if w != x_2.Args[0] {
 13565  			break
 13566  		}
 13567  		mem := x.Args[3]
 13568  		if !(x.Uses == 1 && clobber(x)) {
 13569  			break
 13570  		}
 13571  		v.reset(OpS390XMOVDstoreidx)
 13572  		v.AuxInt = i - 4
 13573  		v.Aux = s
 13574  		v.AddArg(p)
 13575  		v.AddArg(idx)
 13576  		v.AddArg(w0)
 13577  		v.AddArg(mem)
 13578  		return true
 13579  	}
 13580  	return false
 13581  }
 13582  func rewriteValueS390X_OpS390XMULLD(v *Value, config *Config) bool {
 13583  	b := v.Block
 13584  	_ = b
 13585  	// match: (MULLD x (MOVDconst [c]))
 13586  	// cond: is32Bit(c)
 13587  	// result: (MULLDconst [c] x)
 13588  	for {
 13589  		x := v.Args[0]
 13590  		v_1 := v.Args[1]
 13591  		if v_1.Op != OpS390XMOVDconst {
 13592  			break
 13593  		}
 13594  		c := v_1.AuxInt
 13595  		if !(is32Bit(c)) {
 13596  			break
 13597  		}
 13598  		v.reset(OpS390XMULLDconst)
 13599  		v.AuxInt = c
 13600  		v.AddArg(x)
 13601  		return true
 13602  	}
 13603  	// match: (MULLD (MOVDconst [c]) x)
 13604  	// cond: is32Bit(c)
 13605  	// result: (MULLDconst [c] x)
 13606  	for {
 13607  		v_0 := v.Args[0]
 13608  		if v_0.Op != OpS390XMOVDconst {
 13609  			break
 13610  		}
 13611  		c := v_0.AuxInt
 13612  		x := v.Args[1]
 13613  		if !(is32Bit(c)) {
 13614  			break
 13615  		}
 13616  		v.reset(OpS390XMULLDconst)
 13617  		v.AuxInt = c
 13618  		v.AddArg(x)
 13619  		return true
 13620  	}
 13621  	// match: (MULLD <t> x g:(MOVDload [off] {sym} ptr mem))
 13622  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13623  	// result: (MULLDload <t> [off] {sym} x ptr mem)
 13624  	for {
 13625  		t := v.Type
 13626  		x := v.Args[0]
 13627  		g := v.Args[1]
 13628  		if g.Op != OpS390XMOVDload {
 13629  			break
 13630  		}
 13631  		off := g.AuxInt
 13632  		sym := g.Aux
 13633  		ptr := g.Args[0]
 13634  		mem := g.Args[1]
 13635  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13636  			break
 13637  		}
 13638  		v.reset(OpS390XMULLDload)
 13639  		v.Type = t
 13640  		v.AuxInt = off
 13641  		v.Aux = sym
 13642  		v.AddArg(x)
 13643  		v.AddArg(ptr)
 13644  		v.AddArg(mem)
 13645  		return true
 13646  	}
 13647  	// match: (MULLD <t> g:(MOVDload [off] {sym} ptr mem) x)
 13648  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13649  	// result: (MULLDload <t> [off] {sym} x ptr mem)
 13650  	for {
 13651  		t := v.Type
 13652  		g := v.Args[0]
 13653  		if g.Op != OpS390XMOVDload {
 13654  			break
 13655  		}
 13656  		off := g.AuxInt
 13657  		sym := g.Aux
 13658  		ptr := g.Args[0]
 13659  		mem := g.Args[1]
 13660  		x := v.Args[1]
 13661  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13662  			break
 13663  		}
 13664  		v.reset(OpS390XMULLDload)
 13665  		v.Type = t
 13666  		v.AuxInt = off
 13667  		v.Aux = sym
 13668  		v.AddArg(x)
 13669  		v.AddArg(ptr)
 13670  		v.AddArg(mem)
 13671  		return true
 13672  	}
 13673  	return false
 13674  }
 13675  func rewriteValueS390X_OpS390XMULLDconst(v *Value, config *Config) bool {
 13676  	b := v.Block
 13677  	_ = b
 13678  	// match: (MULLDconst [-1] x)
 13679  	// cond:
 13680  	// result: (NEG x)
 13681  	for {
 13682  		if v.AuxInt != -1 {
 13683  			break
 13684  		}
 13685  		x := v.Args[0]
 13686  		v.reset(OpS390XNEG)
 13687  		v.AddArg(x)
 13688  		return true
 13689  	}
 13690  	// match: (MULLDconst [0] _)
 13691  	// cond:
 13692  	// result: (MOVDconst [0])
 13693  	for {
 13694  		if v.AuxInt != 0 {
 13695  			break
 13696  		}
 13697  		v.reset(OpS390XMOVDconst)
 13698  		v.AuxInt = 0
 13699  		return true
 13700  	}
 13701  	// match: (MULLDconst [1] x)
 13702  	// cond:
 13703  	// result: x
 13704  	for {
 13705  		if v.AuxInt != 1 {
 13706  			break
 13707  		}
 13708  		x := v.Args[0]
 13709  		v.reset(OpCopy)
 13710  		v.Type = x.Type
 13711  		v.AddArg(x)
 13712  		return true
 13713  	}
 13714  	// match: (MULLDconst [c] x)
 13715  	// cond: isPowerOfTwo(c)
 13716  	// result: (SLDconst [log2(c)] x)
 13717  	for {
 13718  		c := v.AuxInt
 13719  		x := v.Args[0]
 13720  		if !(isPowerOfTwo(c)) {
 13721  			break
 13722  		}
 13723  		v.reset(OpS390XSLDconst)
 13724  		v.AuxInt = log2(c)
 13725  		v.AddArg(x)
 13726  		return true
 13727  	}
 13728  	// match: (MULLDconst [c] x)
 13729  	// cond: isPowerOfTwo(c+1) && c >= 15
 13730  	// result: (SUB (SLDconst <v.Type> [log2(c+1)] x) x)
 13731  	for {
 13732  		c := v.AuxInt
 13733  		x := v.Args[0]
 13734  		if !(isPowerOfTwo(c+1) && c >= 15) {
 13735  			break
 13736  		}
 13737  		v.reset(OpS390XSUB)
 13738  		v0 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 13739  		v0.AuxInt = log2(c + 1)
 13740  		v0.AddArg(x)
 13741  		v.AddArg(v0)
 13742  		v.AddArg(x)
 13743  		return true
 13744  	}
 13745  	// match: (MULLDconst [c] x)
 13746  	// cond: isPowerOfTwo(c-1) && c >= 17
 13747  	// result: (ADD (SLDconst <v.Type> [log2(c-1)] x) x)
 13748  	for {
 13749  		c := v.AuxInt
 13750  		x := v.Args[0]
 13751  		if !(isPowerOfTwo(c-1) && c >= 17) {
 13752  			break
 13753  		}
 13754  		v.reset(OpS390XADD)
 13755  		v0 := b.NewValue0(v.Pos, OpS390XSLDconst, v.Type)
 13756  		v0.AuxInt = log2(c - 1)
 13757  		v0.AddArg(x)
 13758  		v.AddArg(v0)
 13759  		v.AddArg(x)
 13760  		return true
 13761  	}
 13762  	// match: (MULLDconst [c] (MOVDconst [d]))
 13763  	// cond:
 13764  	// result: (MOVDconst [c*d])
 13765  	for {
 13766  		c := v.AuxInt
 13767  		v_0 := v.Args[0]
 13768  		if v_0.Op != OpS390XMOVDconst {
 13769  			break
 13770  		}
 13771  		d := v_0.AuxInt
 13772  		v.reset(OpS390XMOVDconst)
 13773  		v.AuxInt = c * d
 13774  		return true
 13775  	}
 13776  	return false
 13777  }
 13778  func rewriteValueS390X_OpS390XMULLW(v *Value, config *Config) bool {
 13779  	b := v.Block
 13780  	_ = b
 13781  	// match: (MULLW x (MOVDconst [c]))
 13782  	// cond:
 13783  	// result: (MULLWconst [c] x)
 13784  	for {
 13785  		x := v.Args[0]
 13786  		v_1 := v.Args[1]
 13787  		if v_1.Op != OpS390XMOVDconst {
 13788  			break
 13789  		}
 13790  		c := v_1.AuxInt
 13791  		v.reset(OpS390XMULLWconst)
 13792  		v.AuxInt = c
 13793  		v.AddArg(x)
 13794  		return true
 13795  	}
 13796  	// match: (MULLW (MOVDconst [c]) x)
 13797  	// cond:
 13798  	// result: (MULLWconst [c] x)
 13799  	for {
 13800  		v_0 := v.Args[0]
 13801  		if v_0.Op != OpS390XMOVDconst {
 13802  			break
 13803  		}
 13804  		c := v_0.AuxInt
 13805  		x := v.Args[1]
 13806  		v.reset(OpS390XMULLWconst)
 13807  		v.AuxInt = c
 13808  		v.AddArg(x)
 13809  		return true
 13810  	}
 13811  	// match: (MULLW <t> x g:(MOVWload [off] {sym} ptr mem))
 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  		x := v.Args[0]
 13817  		g := v.Args[1]
 13818  		if g.Op != OpS390XMOVWload {
 13819  			break
 13820  		}
 13821  		off := g.AuxInt
 13822  		sym := g.Aux
 13823  		ptr := g.Args[0]
 13824  		mem := g.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  	// match: (MULLW <t> g:(MOVWload [off] {sym} ptr mem) x)
 13838  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13839  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 13840  	for {
 13841  		t := v.Type
 13842  		g := v.Args[0]
 13843  		if g.Op != OpS390XMOVWload {
 13844  			break
 13845  		}
 13846  		off := g.AuxInt
 13847  		sym := g.Aux
 13848  		ptr := g.Args[0]
 13849  		mem := g.Args[1]
 13850  		x := v.Args[1]
 13851  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13852  			break
 13853  		}
 13854  		v.reset(OpS390XMULLWload)
 13855  		v.Type = t
 13856  		v.AuxInt = off
 13857  		v.Aux = sym
 13858  		v.AddArg(x)
 13859  		v.AddArg(ptr)
 13860  		v.AddArg(mem)
 13861  		return true
 13862  	}
 13863  	// match: (MULLW <t> x g:(MOVWZload [off] {sym} ptr mem))
 13864  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13865  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 13866  	for {
 13867  		t := v.Type
 13868  		x := v.Args[0]
 13869  		g := v.Args[1]
 13870  		if g.Op != OpS390XMOVWZload {
 13871  			break
 13872  		}
 13873  		off := g.AuxInt
 13874  		sym := g.Aux
 13875  		ptr := g.Args[0]
 13876  		mem := g.Args[1]
 13877  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13878  			break
 13879  		}
 13880  		v.reset(OpS390XMULLWload)
 13881  		v.Type = t
 13882  		v.AuxInt = off
 13883  		v.Aux = sym
 13884  		v.AddArg(x)
 13885  		v.AddArg(ptr)
 13886  		v.AddArg(mem)
 13887  		return true
 13888  	}
 13889  	// match: (MULLW <t> g:(MOVWZload [off] {sym} ptr mem) x)
 13890  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13891  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 13892  	for {
 13893  		t := v.Type
 13894  		g := v.Args[0]
 13895  		if g.Op != OpS390XMOVWZload {
 13896  			break
 13897  		}
 13898  		off := g.AuxInt
 13899  		sym := g.Aux
 13900  		ptr := g.Args[0]
 13901  		mem := g.Args[1]
 13902  		x := v.Args[1]
 13903  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13904  			break
 13905  		}
 13906  		v.reset(OpS390XMULLWload)
 13907  		v.Type = t
 13908  		v.AuxInt = off
 13909  		v.Aux = sym
 13910  		v.AddArg(x)
 13911  		v.AddArg(ptr)
 13912  		v.AddArg(mem)
 13913  		return true
 13914  	}
 13915  	return false
 13916  }
 13917  func rewriteValueS390X_OpS390XMULLWconst(v *Value, config *Config) bool {
 13918  	b := v.Block
 13919  	_ = b
 13920  	// match: (MULLWconst [-1] x)
 13921  	// cond:
 13922  	// result: (NEGW x)
 13923  	for {
 13924  		if v.AuxInt != -1 {
 13925  			break
 13926  		}
 13927  		x := v.Args[0]
 13928  		v.reset(OpS390XNEGW)
 13929  		v.AddArg(x)
 13930  		return true
 13931  	}
 13932  	// match: (MULLWconst [0] _)
 13933  	// cond:
 13934  	// result: (MOVDconst [0])
 13935  	for {
 13936  		if v.AuxInt != 0 {
 13937  			break
 13938  		}
 13939  		v.reset(OpS390XMOVDconst)
 13940  		v.AuxInt = 0
 13941  		return true
 13942  	}
 13943  	// match: (MULLWconst [1] x)
 13944  	// cond:
 13945  	// result: x
 13946  	for {
 13947  		if v.AuxInt != 1 {
 13948  			break
 13949  		}
 13950  		x := v.Args[0]
 13951  		v.reset(OpCopy)
 13952  		v.Type = x.Type
 13953  		v.AddArg(x)
 13954  		return true
 13955  	}
 13956  	// match: (MULLWconst [c] x)
 13957  	// cond: isPowerOfTwo(c)
 13958  	// result: (SLWconst [log2(c)] x)
 13959  	for {
 13960  		c := v.AuxInt
 13961  		x := v.Args[0]
 13962  		if !(isPowerOfTwo(c)) {
 13963  			break
 13964  		}
 13965  		v.reset(OpS390XSLWconst)
 13966  		v.AuxInt = log2(c)
 13967  		v.AddArg(x)
 13968  		return true
 13969  	}
 13970  	// match: (MULLWconst [c] x)
 13971  	// cond: isPowerOfTwo(c+1) && c >= 15
 13972  	// result: (SUBW (SLWconst <v.Type> [log2(c+1)] x) x)
 13973  	for {
 13974  		c := v.AuxInt
 13975  		x := v.Args[0]
 13976  		if !(isPowerOfTwo(c+1) && c >= 15) {
 13977  			break
 13978  		}
 13979  		v.reset(OpS390XSUBW)
 13980  		v0 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 13981  		v0.AuxInt = log2(c + 1)
 13982  		v0.AddArg(x)
 13983  		v.AddArg(v0)
 13984  		v.AddArg(x)
 13985  		return true
 13986  	}
 13987  	// match: (MULLWconst [c] x)
 13988  	// cond: isPowerOfTwo(c-1) && c >= 17
 13989  	// result: (ADDW (SLWconst <v.Type> [log2(c-1)] x) x)
 13990  	for {
 13991  		c := v.AuxInt
 13992  		x := v.Args[0]
 13993  		if !(isPowerOfTwo(c-1) && c >= 17) {
 13994  			break
 13995  		}
 13996  		v.reset(OpS390XADDW)
 13997  		v0 := b.NewValue0(v.Pos, OpS390XSLWconst, v.Type)
 13998  		v0.AuxInt = log2(c - 1)
 13999  		v0.AddArg(x)
 14000  		v.AddArg(v0)
 14001  		v.AddArg(x)
 14002  		return true
 14003  	}
 14004  	// match: (MULLWconst [c] (MOVDconst [d]))
 14005  	// cond:
 14006  	// result: (MOVDconst [int64(int32(c*d))])
 14007  	for {
 14008  		c := v.AuxInt
 14009  		v_0 := v.Args[0]
 14010  		if v_0.Op != OpS390XMOVDconst {
 14011  			break
 14012  		}
 14013  		d := v_0.AuxInt
 14014  		v.reset(OpS390XMOVDconst)
 14015  		v.AuxInt = int64(int32(c * d))
 14016  		return true
 14017  	}
 14018  	return false
 14019  }
 14020  func rewriteValueS390X_OpS390XNEG(v *Value, config *Config) bool {
 14021  	b := v.Block
 14022  	_ = b
 14023  	// match: (NEG (MOVDconst [c]))
 14024  	// cond:
 14025  	// result: (MOVDconst [-c])
 14026  	for {
 14027  		v_0 := v.Args[0]
 14028  		if v_0.Op != OpS390XMOVDconst {
 14029  			break
 14030  		}
 14031  		c := v_0.AuxInt
 14032  		v.reset(OpS390XMOVDconst)
 14033  		v.AuxInt = -c
 14034  		return true
 14035  	}
 14036  	return false
 14037  }
 14038  func rewriteValueS390X_OpS390XNEGW(v *Value, config *Config) bool {
 14039  	b := v.Block
 14040  	_ = b
 14041  	// match: (NEGW (MOVDconst [c]))
 14042  	// cond:
 14043  	// result: (MOVDconst [int64(int32(-c))])
 14044  	for {
 14045  		v_0 := v.Args[0]
 14046  		if v_0.Op != OpS390XMOVDconst {
 14047  			break
 14048  		}
 14049  		c := v_0.AuxInt
 14050  		v.reset(OpS390XMOVDconst)
 14051  		v.AuxInt = int64(int32(-c))
 14052  		return true
 14053  	}
 14054  	return false
 14055  }
 14056  func rewriteValueS390X_OpS390XNOT(v *Value, config *Config) bool {
 14057  	b := v.Block
 14058  	_ = b
 14059  	// match: (NOT x)
 14060  	// cond: true
 14061  	// result: (XOR (MOVDconst [-1]) x)
 14062  	for {
 14063  		x := v.Args[0]
 14064  		if !(true) {
 14065  			break
 14066  		}
 14067  		v.reset(OpS390XXOR)
 14068  		v0 := b.NewValue0(v.Pos, OpS390XMOVDconst, config.fe.TypeUInt64())
 14069  		v0.AuxInt = -1
 14070  		v.AddArg(v0)
 14071  		v.AddArg(x)
 14072  		return true
 14073  	}
 14074  	return false
 14075  }
 14076  func rewriteValueS390X_OpS390XNOTW(v *Value, config *Config) bool {
 14077  	b := v.Block
 14078  	_ = b
 14079  	// match: (NOTW x)
 14080  	// cond: true
 14081  	// result: (XORWconst [-1] x)
 14082  	for {
 14083  		x := v.Args[0]
 14084  		if !(true) {
 14085  			break
 14086  		}
 14087  		v.reset(OpS390XXORWconst)
 14088  		v.AuxInt = -1
 14089  		v.AddArg(x)
 14090  		return true
 14091  	}
 14092  	return false
 14093  }
 14094  func rewriteValueS390X_OpS390XOR(v *Value, config *Config) bool {
 14095  	b := v.Block
 14096  	_ = b
 14097  	// match: (OR x (MOVDconst [c]))
 14098  	// cond: isU32Bit(c)
 14099  	// result: (ORconst [c] x)
 14100  	for {
 14101  		x := v.Args[0]
 14102  		v_1 := v.Args[1]
 14103  		if v_1.Op != OpS390XMOVDconst {
 14104  			break
 14105  		}
 14106  		c := v_1.AuxInt
 14107  		if !(isU32Bit(c)) {
 14108  			break
 14109  		}
 14110  		v.reset(OpS390XORconst)
 14111  		v.AuxInt = c
 14112  		v.AddArg(x)
 14113  		return true
 14114  	}
 14115  	// match: (OR (MOVDconst [c]) x)
 14116  	// cond: isU32Bit(c)
 14117  	// result: (ORconst [c] x)
 14118  	for {
 14119  		v_0 := v.Args[0]
 14120  		if v_0.Op != OpS390XMOVDconst {
 14121  			break
 14122  		}
 14123  		c := v_0.AuxInt
 14124  		x := v.Args[1]
 14125  		if !(isU32Bit(c)) {
 14126  			break
 14127  		}
 14128  		v.reset(OpS390XORconst)
 14129  		v.AuxInt = c
 14130  		v.AddArg(x)
 14131  		return true
 14132  	}
 14133  	// match: ( OR (SLDconst x [c]) (SRDconst x [64-c]))
 14134  	// cond:
 14135  	// result: (RLLGconst [   c] x)
 14136  	for {
 14137  		v_0 := v.Args[0]
 14138  		if v_0.Op != OpS390XSLDconst {
 14139  			break
 14140  		}
 14141  		c := v_0.AuxInt
 14142  		x := v_0.Args[0]
 14143  		v_1 := v.Args[1]
 14144  		if v_1.Op != OpS390XSRDconst {
 14145  			break
 14146  		}
 14147  		if v_1.AuxInt != 64-c {
 14148  			break
 14149  		}
 14150  		if x != v_1.Args[0] {
 14151  			break
 14152  		}
 14153  		v.reset(OpS390XRLLGconst)
 14154  		v.AuxInt = c
 14155  		v.AddArg(x)
 14156  		return true
 14157  	}
 14158  	// match: ( OR (SRDconst x [c]) (SLDconst x [64-c]))
 14159  	// cond:
 14160  	// result: (RLLGconst [64-c] x)
 14161  	for {
 14162  		v_0 := v.Args[0]
 14163  		if v_0.Op != OpS390XSRDconst {
 14164  			break
 14165  		}
 14166  		c := v_0.AuxInt
 14167  		x := v_0.Args[0]
 14168  		v_1 := v.Args[1]
 14169  		if v_1.Op != OpS390XSLDconst {
 14170  			break
 14171  		}
 14172  		if v_1.AuxInt != 64-c {
 14173  			break
 14174  		}
 14175  		if x != v_1.Args[0] {
 14176  			break
 14177  		}
 14178  		v.reset(OpS390XRLLGconst)
 14179  		v.AuxInt = 64 - c
 14180  		v.AddArg(x)
 14181  		return true
 14182  	}
 14183  	// match: (OR (MOVDconst [c]) (MOVDconst [d]))
 14184  	// cond:
 14185  	// result: (MOVDconst [c|d])
 14186  	for {
 14187  		v_0 := v.Args[0]
 14188  		if v_0.Op != OpS390XMOVDconst {
 14189  			break
 14190  		}
 14191  		c := v_0.AuxInt
 14192  		v_1 := v.Args[1]
 14193  		if v_1.Op != OpS390XMOVDconst {
 14194  			break
 14195  		}
 14196  		d := v_1.AuxInt
 14197  		v.reset(OpS390XMOVDconst)
 14198  		v.AuxInt = c | d
 14199  		return true
 14200  	}
 14201  	// match: (OR x x)
 14202  	// cond:
 14203  	// result: x
 14204  	for {
 14205  		x := v.Args[0]
 14206  		if x != v.Args[1] {
 14207  			break
 14208  		}
 14209  		v.reset(OpCopy)
 14210  		v.Type = x.Type
 14211  		v.AddArg(x)
 14212  		return true
 14213  	}
 14214  	// match: (OR <t> x g:(MOVDload [off] {sym} ptr mem))
 14215  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 14216  	// result: (ORload <t> [off] {sym} x ptr mem)
 14217  	for {
 14218  		t := v.Type
 14219  		x := v.Args[0]
 14220  		g := v.Args[1]
 14221  		if g.Op != OpS390XMOVDload {
 14222  			break
 14223  		}
 14224  		off := g.AuxInt
 14225  		sym := g.Aux
 14226  		ptr := g.Args[0]
 14227  		mem := g.Args[1]
 14228  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 14229  			break
 14230  		}
 14231  		v.reset(OpS390XORload)
 14232  		v.Type = t
 14233  		v.AuxInt = off
 14234  		v.Aux = sym
 14235  		v.AddArg(x)
 14236  		v.AddArg(ptr)
 14237  		v.AddArg(mem)
 14238  		return true
 14239  	}
 14240  	// match: (OR <t> g:(MOVDload [off] {sym} ptr mem) x)
 14241  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 14242  	// result: (ORload <t> [off] {sym} x ptr mem)
 14243  	for {
 14244  		t := v.Type
 14245  		g := v.Args[0]
 14246  		if g.Op != OpS390XMOVDload {
 14247  			break
 14248  		}
 14249  		off := g.AuxInt
 14250  		sym := g.Aux
 14251  		ptr := g.Args[0]
 14252  		mem := g.Args[1]
 14253  		x := v.Args[1]
 14254  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 14255  			break
 14256  		}
 14257  		v.reset(OpS390XORload)
 14258  		v.Type = t
 14259  		v.AuxInt = off
 14260  		v.Aux = sym
 14261  		v.AddArg(x)
 14262  		v.AddArg(ptr)
 14263  		v.AddArg(mem)
 14264  		return true
 14265  	}
 14266  	// 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)))
 14267  	// 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)
 14268  	// result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDBRload [i] {s} p mem)
 14269  	for {
 14270  		o0 := v.Args[0]
 14271  		if o0.Op != OpS390XOR {
 14272  			break
 14273  		}
 14274  		o1 := o0.Args[0]
 14275  		if o1.Op != OpS390XOR {
 14276  			break
 14277  		}
 14278  		o2 := o1.Args[0]
 14279  		if o2.Op != OpS390XOR {
 14280  			break
 14281  		}
 14282  		o3 := o2.Args[0]
 14283  		if o3.Op != OpS390XOR {
 14284  			break
 14285  		}
 14286  		o4 := o3.Args[0]
 14287  		if o4.Op != OpS390XOR {
 14288  			break
 14289  		}
 14290  		o5 := o4.Args[0]
 14291  		if o5.Op != OpS390XOR {
 14292  			break
 14293  		}
 14294  		x0 := o5.Args[0]
 14295  		if x0.Op != OpS390XMOVBZload {
 14296  			break
 14297  		}
 14298  		i := x0.AuxInt
 14299  		s := x0.Aux
 14300  		p := x0.Args[0]
 14301  		mem := x0.Args[1]
 14302  		s0 := o5.Args[1]
 14303  		if s0.Op != OpS390XSLDconst {
 14304  			break
 14305  		}
 14306  		if s0.AuxInt != 8 {
 14307  			break
 14308  		}
 14309  		x1 := s0.Args[0]
 14310  		if x1.Op != OpS390XMOVBZload {
 14311  			break
 14312  		}
 14313  		if x1.AuxInt != i+1 {
 14314  			break
 14315  		}
 14316  		if x1.Aux != s {
 14317  			break
 14318  		}
 14319  		if p != x1.Args[0] {
 14320  			break
 14321  		}
 14322  		if mem != x1.Args[1] {
 14323  			break
 14324  		}
 14325  		s1 := o4.Args[1]
 14326  		if s1.Op != OpS390XSLDconst {
 14327  			break
 14328  		}
 14329  		if s1.AuxInt != 16 {
 14330  			break
 14331  		}
 14332  		x2 := s1.Args[0]
 14333  		if x2.Op != OpS390XMOVBZload {
 14334  			break
 14335  		}
 14336  		if x2.AuxInt != i+2 {
 14337  			break
 14338  		}
 14339  		if x2.Aux != s {
 14340  			break
 14341  		}
 14342  		if p != x2.Args[0] {
 14343  			break
 14344  		}
 14345  		if mem != x2.Args[1] {
 14346  			break
 14347  		}
 14348  		s2 := o3.Args[1]
 14349  		if s2.Op != OpS390XSLDconst {
 14350  			break
 14351  		}
 14352  		if s2.AuxInt != 24 {
 14353  			break
 14354  		}
 14355  		x3 := s2.Args[0]
 14356  		if x3.Op != OpS390XMOVBZload {
 14357  			break
 14358  		}
 14359  		if x3.AuxInt != i+3 {
 14360  			break
 14361  		}
 14362  		if x3.Aux != s {
 14363  			break
 14364  		}
 14365  		if p != x3.Args[0] {
 14366  			break
 14367  		}
 14368  		if mem != x3.Args[1] {
 14369  			break
 14370  		}
 14371  		s3 := o2.Args[1]
 14372  		if s3.Op != OpS390XSLDconst {
 14373  			break
 14374  		}
 14375  		if s3.AuxInt != 32 {
 14376  			break
 14377  		}
 14378  		x4 := s3.Args[0]
 14379  		if x4.Op != OpS390XMOVBZload {
 14380  			break
 14381  		}
 14382  		if x4.AuxInt != i+4 {
 14383  			break
 14384  		}
 14385  		if x4.Aux != s {
 14386  			break
 14387  		}
 14388  		if p != x4.Args[0] {
 14389  			break
 14390  		}
 14391  		if mem != x4.Args[1] {
 14392  			break
 14393  		}
 14394  		s4 := o1.Args[1]
 14395  		if s4.Op != OpS390XSLDconst {
 14396  			break
 14397  		}
 14398  		if s4.AuxInt != 40 {
 14399  			break
 14400  		}
 14401  		x5 := s4.Args[0]
 14402  		if x5.Op != OpS390XMOVBZload {
 14403  			break
 14404  		}
 14405  		if x5.AuxInt != i+5 {
 14406  			break
 14407  		}
 14408  		if x5.Aux != s {
 14409  			break
 14410  		}
 14411  		if p != x5.Args[0] {
 14412  			break
 14413  		}
 14414  		if mem != x5.Args[1] {
 14415  			break
 14416  		}
 14417  		s5 := o0.Args[1]
 14418  		if s5.Op != OpS390XSLDconst {
 14419  			break
 14420  		}
 14421  		if s5.AuxInt != 48 {
 14422  			break
 14423  		}
 14424  		x6 := s5.Args[0]
 14425  		if x6.Op != OpS390XMOVBZload {
 14426  			break
 14427  		}
 14428  		if x6.AuxInt != i+6 {
 14429  			break
 14430  		}
 14431  		if x6.Aux != s {
 14432  			break
 14433  		}
 14434  		if p != x6.Args[0] {
 14435  			break
 14436  		}
 14437  		if mem != x6.Args[1] {
 14438  			break
 14439  		}
 14440  		s6 := v.Args[1]
 14441  		if s6.Op != OpS390XSLDconst {
 14442  			break
 14443  		}
 14444  		if s6.AuxInt != 56 {
 14445  			break
 14446  		}
 14447  		x7 := s6.Args[0]
 14448  		if x7.Op != OpS390XMOVBZload {
 14449  			break
 14450  		}
 14451  		if x7.AuxInt != i+7 {
 14452  			break
 14453  		}
 14454  		if x7.Aux != s {
 14455  			break
 14456  		}
 14457  		if p != x7.Args[0] {
 14458  			break
 14459  		}
 14460  		if mem != x7.Args[1] {
 14461  			break
 14462  		}
 14463  		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)) {
 14464  			break
 14465  		}
 14466  		b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7)
 14467  		v0 := b.NewValue0(v.Pos, OpS390XMOVDBRload, config.fe.TypeUInt64())
 14468  		v.reset(OpCopy)
 14469  		v.AddArg(v0)
 14470  		v0.AuxInt = i
 14471  		v0.Aux = s
 14472  		v0.AddArg(p)
 14473  		v0.AddArg(mem)
 14474  		return true
 14475  	}
 14476  	// 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)))
 14477  	// 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)
 14478  	// result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDBRloadidx <v.Type> [i] {s} p idx mem)
 14479  	for {
 14480  		o0 := v.Args[0]
 14481  		if o0.Op != OpS390XOR {
 14482  			break
 14483  		}
 14484  		o1 := o0.Args[0]
 14485  		if o1.Op != OpS390XOR {
 14486  			break
 14487  		}
 14488  		o2 := o1.Args[0]
 14489  		if o2.Op != OpS390XOR {
 14490  			break
 14491  		}
 14492  		o3 := o2.Args[0]
 14493  		if o3.Op != OpS390XOR {
 14494  			break
 14495  		}
 14496  		o4 := o3.Args[0]
 14497  		if o4.Op != OpS390XOR {
 14498  			break
 14499  		}
 14500  		o5 := o4.Args[0]
 14501  		if o5.Op != OpS390XOR {
 14502  			break
 14503  		}
 14504  		x0 := o5.Args[0]
 14505  		if x0.Op != OpS390XMOVBZloadidx {
 14506  			break
 14507  		}
 14508  		i := x0.AuxInt
 14509  		s := x0.Aux
 14510  		p := x0.Args[0]
 14511  		idx := x0.Args[1]
 14512  		mem := x0.Args[2]
 14513  		s0 := o5.Args[1]
 14514  		if s0.Op != OpS390XSLDconst {
 14515  			break
 14516  		}
 14517  		if s0.AuxInt != 8 {
 14518  			break
 14519  		}
 14520  		x1 := s0.Args[0]
 14521  		if x1.Op != OpS390XMOVBZloadidx {
 14522  			break
 14523  		}
 14524  		if x1.AuxInt != i+1 {
 14525  			break
 14526  		}
 14527  		if x1.Aux != s {
 14528  			break
 14529  		}
 14530  		if p != x1.Args[0] {
 14531  			break
 14532  		}
 14533  		if idx != x1.Args[1] {
 14534  			break
 14535  		}
 14536  		if mem != x1.Args[2] {
 14537  			break
 14538  		}
 14539  		s1 := o4.Args[1]
 14540  		if s1.Op != OpS390XSLDconst {
 14541  			break
 14542  		}
 14543  		if s1.AuxInt != 16 {
 14544  			break
 14545  		}
 14546  		x2 := s1.Args[0]
 14547  		if x2.Op != OpS390XMOVBZloadidx {
 14548  			break
 14549  		}
 14550  		if x2.AuxInt != i+2 {
 14551  			break
 14552  		}
 14553  		if x2.Aux != s {
 14554  			break
 14555  		}
 14556  		if p != x2.Args[0] {
 14557  			break
 14558  		}
 14559  		if idx != x2.Args[1] {
 14560  			break
 14561  		}
 14562  		if mem != x2.Args[2] {
 14563  			break
 14564  		}
 14565  		s2 := o3.Args[1]
 14566  		if s2.Op != OpS390XSLDconst {
 14567  			break
 14568  		}
 14569  		if s2.AuxInt != 24 {
 14570  			break
 14571  		}
 14572  		x3 := s2.Args[0]
 14573  		if x3.Op != OpS390XMOVBZloadidx {
 14574  			break
 14575  		}
 14576  		if x3.AuxInt != i+3 {
 14577  			break
 14578  		}
 14579  		if x3.Aux != s {
 14580  			break
 14581  		}
 14582  		if p != x3.Args[0] {
 14583  			break
 14584  		}
 14585  		if idx != x3.Args[1] {
 14586  			break
 14587  		}
 14588  		if mem != x3.Args[2] {
 14589  			break
 14590  		}
 14591  		s3 := o2.Args[1]
 14592  		if s3.Op != OpS390XSLDconst {
 14593  			break
 14594  		}
 14595  		if s3.AuxInt != 32 {
 14596  			break
 14597  		}
 14598  		x4 := s3.Args[0]
 14599  		if x4.Op != OpS390XMOVBZloadidx {
 14600  			break
 14601  		}
 14602  		if x4.AuxInt != i+4 {
 14603  			break
 14604  		}
 14605  		if x4.Aux != s {
 14606  			break
 14607  		}
 14608  		if p != x4.Args[0] {
 14609  			break
 14610  		}
 14611  		if idx != x4.Args[1] {
 14612  			break
 14613  		}
 14614  		if mem != x4.Args[2] {
 14615  			break
 14616  		}
 14617  		s4 := o1.Args[1]
 14618  		if s4.Op != OpS390XSLDconst {
 14619  			break
 14620  		}
 14621  		if s4.AuxInt != 40 {
 14622  			break
 14623  		}
 14624  		x5 := s4.Args[0]
 14625  		if x5.Op != OpS390XMOVBZloadidx {
 14626  			break
 14627  		}
 14628  		if x5.AuxInt != i+5 {
 14629  			break
 14630  		}
 14631  		if x5.Aux != s {
 14632  			break
 14633  		}
 14634  		if p != x5.Args[0] {
 14635  			break
 14636  		}
 14637  		if idx != x5.Args[1] {
 14638  			break
 14639  		}
 14640  		if mem != x5.Args[2] {
 14641  			break
 14642  		}
 14643  		s5 := o0.Args[1]
 14644  		if s5.Op != OpS390XSLDconst {
 14645  			break
 14646  		}
 14647  		if s5.AuxInt != 48 {
 14648  			break
 14649  		}
 14650  		x6 := s5.Args[0]
 14651  		if x6.Op != OpS390XMOVBZloadidx {
 14652  			break
 14653  		}
 14654  		if x6.AuxInt != i+6 {
 14655  			break
 14656  		}
 14657  		if x6.Aux != s {
 14658  			break
 14659  		}
 14660  		if p != x6.Args[0] {
 14661  			break
 14662  		}
 14663  		if idx != x6.Args[1] {
 14664  			break
 14665  		}
 14666  		if mem != x6.Args[2] {
 14667  			break
 14668  		}
 14669  		s6 := v.Args[1]
 14670  		if s6.Op != OpS390XSLDconst {
 14671  			break
 14672  		}
 14673  		if s6.AuxInt != 56 {
 14674  			break
 14675  		}
 14676  		x7 := s6.Args[0]
 14677  		if x7.Op != OpS390XMOVBZloadidx {
 14678  			break
 14679  		}
 14680  		if x7.AuxInt != i+7 {
 14681  			break
 14682  		}
 14683  		if x7.Aux != s {
 14684  			break
 14685  		}
 14686  		if p != x7.Args[0] {
 14687  			break
 14688  		}
 14689  		if idx != x7.Args[1] {
 14690  			break
 14691  		}
 14692  		if mem != x7.Args[2] {
 14693  			break
 14694  		}
 14695  		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)) {
 14696  			break
 14697  		}
 14698  		b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7)
 14699  		v0 := b.NewValue0(v.Pos, OpS390XMOVDBRloadidx, v.Type)
 14700  		v.reset(OpCopy)
 14701  		v.AddArg(v0)
 14702  		v0.AuxInt = i
 14703  		v0.Aux = s
 14704  		v0.AddArg(p)
 14705  		v0.AddArg(idx)
 14706  		v0.AddArg(mem)
 14707  		return true
 14708  	}
 14709  	// 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)))
 14710  	// 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)
 14711  	// result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDload [i-7] {s} p mem)
 14712  	for {
 14713  		o0 := v.Args[0]
 14714  		if o0.Op != OpS390XOR {
 14715  			break
 14716  		}
 14717  		o1 := o0.Args[0]
 14718  		if o1.Op != OpS390XOR {
 14719  			break
 14720  		}
 14721  		o2 := o1.Args[0]
 14722  		if o2.Op != OpS390XOR {
 14723  			break
 14724  		}
 14725  		o3 := o2.Args[0]
 14726  		if o3.Op != OpS390XOR {
 14727  			break
 14728  		}
 14729  		o4 := o3.Args[0]
 14730  		if o4.Op != OpS390XOR {
 14731  			break
 14732  		}
 14733  		o5 := o4.Args[0]
 14734  		if o5.Op != OpS390XOR {
 14735  			break
 14736  		}
 14737  		x0 := o5.Args[0]
 14738  		if x0.Op != OpS390XMOVBZload {
 14739  			break
 14740  		}
 14741  		i := x0.AuxInt
 14742  		s := x0.Aux
 14743  		p := x0.Args[0]
 14744  		mem := x0.Args[1]
 14745  		s0 := o5.Args[1]
 14746  		if s0.Op != OpS390XSLDconst {
 14747  			break
 14748  		}
 14749  		if s0.AuxInt != 8 {
 14750  			break
 14751  		}
 14752  		x1 := s0.Args[0]
 14753  		if x1.Op != OpS390XMOVBZload {
 14754  			break
 14755  		}
 14756  		if x1.AuxInt != i-1 {
 14757  			break
 14758  		}
 14759  		if x1.Aux != s {
 14760  			break
 14761  		}
 14762  		if p != x1.Args[0] {
 14763  			break
 14764  		}
 14765  		if mem != x1.Args[1] {
 14766  			break
 14767  		}
 14768  		s1 := o4.Args[1]
 14769  		if s1.Op != OpS390XSLDconst {
 14770  			break
 14771  		}
 14772  		if s1.AuxInt != 16 {
 14773  			break
 14774  		}
 14775  		x2 := s1.Args[0]
 14776  		if x2.Op != OpS390XMOVBZload {
 14777  			break
 14778  		}
 14779  		if x2.AuxInt != i-2 {
 14780  			break
 14781  		}
 14782  		if x2.Aux != s {
 14783  			break
 14784  		}
 14785  		if p != x2.Args[0] {
 14786  			break
 14787  		}
 14788  		if mem != x2.Args[1] {
 14789  			break
 14790  		}
 14791  		s2 := o3.Args[1]
 14792  		if s2.Op != OpS390XSLDconst {
 14793  			break
 14794  		}
 14795  		if s2.AuxInt != 24 {
 14796  			break
 14797  		}
 14798  		x3 := s2.Args[0]
 14799  		if x3.Op != OpS390XMOVBZload {
 14800  			break
 14801  		}
 14802  		if x3.AuxInt != i-3 {
 14803  			break
 14804  		}
 14805  		if x3.Aux != s {
 14806  			break
 14807  		}
 14808  		if p != x3.Args[0] {
 14809  			break
 14810  		}
 14811  		if mem != x3.Args[1] {
 14812  			break
 14813  		}
 14814  		s3 := o2.Args[1]
 14815  		if s3.Op != OpS390XSLDconst {
 14816  			break
 14817  		}
 14818  		if s3.AuxInt != 32 {
 14819  			break
 14820  		}
 14821  		x4 := s3.Args[0]
 14822  		if x4.Op != OpS390XMOVBZload {
 14823  			break
 14824  		}
 14825  		if x4.AuxInt != i-4 {
 14826  			break
 14827  		}
 14828  		if x4.Aux != s {
 14829  			break
 14830  		}
 14831  		if p != x4.Args[0] {
 14832  			break
 14833  		}
 14834  		if mem != x4.Args[1] {
 14835  			break
 14836  		}
 14837  		s4 := o1.Args[1]
 14838  		if s4.Op != OpS390XSLDconst {
 14839  			break
 14840  		}
 14841  		if s4.AuxInt != 40 {
 14842  			break
 14843  		}
 14844  		x5 := s4.Args[0]
 14845  		if x5.Op != OpS390XMOVBZload {
 14846  			break
 14847  		}
 14848  		if x5.AuxInt != i-5 {
 14849  			break
 14850  		}
 14851  		if x5.Aux != s {
 14852  			break
 14853  		}
 14854  		if p != x5.Args[0] {
 14855  			break
 14856  		}
 14857  		if mem != x5.Args[1] {
 14858  			break
 14859  		}
 14860  		s5 := o0.Args[1]
 14861  		if s5.Op != OpS390XSLDconst {
 14862  			break
 14863  		}
 14864  		if s5.AuxInt != 48 {
 14865  			break
 14866  		}
 14867  		x6 := s5.Args[0]
 14868  		if x6.Op != OpS390XMOVBZload {
 14869  			break
 14870  		}
 14871  		if x6.AuxInt != i-6 {
 14872  			break
 14873  		}
 14874  		if x6.Aux != s {
 14875  			break
 14876  		}
 14877  		if p != x6.Args[0] {
 14878  			break
 14879  		}
 14880  		if mem != x6.Args[1] {
 14881  			break
 14882  		}
 14883  		s6 := v.Args[1]
 14884  		if s6.Op != OpS390XSLDconst {
 14885  			break
 14886  		}
 14887  		if s6.AuxInt != 56 {
 14888  			break
 14889  		}
 14890  		x7 := s6.Args[0]
 14891  		if x7.Op != OpS390XMOVBZload {
 14892  			break
 14893  		}
 14894  		if x7.AuxInt != i-7 {
 14895  			break
 14896  		}
 14897  		if x7.Aux != s {
 14898  			break
 14899  		}
 14900  		if p != x7.Args[0] {
 14901  			break
 14902  		}
 14903  		if mem != x7.Args[1] {
 14904  			break
 14905  		}
 14906  		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)) {
 14907  			break
 14908  		}
 14909  		b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7)
 14910  		v0 := b.NewValue0(v.Pos, OpS390XMOVDload, config.fe.TypeUInt64())
 14911  		v.reset(OpCopy)
 14912  		v.AddArg(v0)
 14913  		v0.AuxInt = i - 7
 14914  		v0.Aux = s
 14915  		v0.AddArg(p)
 14916  		v0.AddArg(mem)
 14917  		return true
 14918  	}
 14919  	// 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)))
 14920  	// 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)
 14921  	// result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDloadidx <v.Type> [i-7] {s} p idx mem)
 14922  	for {
 14923  		o0 := v.Args[0]
 14924  		if o0.Op != OpS390XOR {
 14925  			break
 14926  		}
 14927  		o1 := o0.Args[0]
 14928  		if o1.Op != OpS390XOR {
 14929  			break
 14930  		}
 14931  		o2 := o1.Args[0]
 14932  		if o2.Op != OpS390XOR {
 14933  			break
 14934  		}
 14935  		o3 := o2.Args[0]
 14936  		if o3.Op != OpS390XOR {
 14937  			break
 14938  		}
 14939  		o4 := o3.Args[0]
 14940  		if o4.Op != OpS390XOR {
 14941  			break
 14942  		}
 14943  		o5 := o4.Args[0]
 14944  		if o5.Op != OpS390XOR {
 14945  			break
 14946  		}
 14947  		x0 := o5.Args[0]
 14948  		if x0.Op != OpS390XMOVBZloadidx {
 14949  			break
 14950  		}
 14951  		i := x0.AuxInt
 14952  		s := x0.Aux
 14953  		p := x0.Args[0]
 14954  		idx := x0.Args[1]
 14955  		mem := x0.Args[2]
 14956  		s0 := o5.Args[1]
 14957  		if s0.Op != OpS390XSLDconst {
 14958  			break
 14959  		}
 14960  		if s0.AuxInt != 8 {
 14961  			break
 14962  		}
 14963  		x1 := s0.Args[0]
 14964  		if x1.Op != OpS390XMOVBZloadidx {
 14965  			break
 14966  		}
 14967  		if x1.AuxInt != i-1 {
 14968  			break
 14969  		}
 14970  		if x1.Aux != s {
 14971  			break
 14972  		}
 14973  		if p != x1.Args[0] {
 14974  			break
 14975  		}
 14976  		if idx != x1.Args[1] {
 14977  			break
 14978  		}
 14979  		if mem != x1.Args[2] {
 14980  			break
 14981  		}
 14982  		s1 := o4.Args[1]
 14983  		if s1.Op != OpS390XSLDconst {
 14984  			break
 14985  		}
 14986  		if s1.AuxInt != 16 {
 14987  			break
 14988  		}
 14989  		x2 := s1.Args[0]
 14990  		if x2.Op != OpS390XMOVBZloadidx {
 14991  			break
 14992  		}
 14993  		if x2.AuxInt != i-2 {
 14994  			break
 14995  		}
 14996  		if x2.Aux != s {
 14997  			break
 14998  		}
 14999  		if p != x2.Args[0] {
 15000  			break
 15001  		}
 15002  		if idx != x2.Args[1] {
 15003  			break
 15004  		}
 15005  		if mem != x2.Args[2] {
 15006  			break
 15007  		}
 15008  		s2 := o3.Args[1]
 15009  		if s2.Op != OpS390XSLDconst {
 15010  			break
 15011  		}
 15012  		if s2.AuxInt != 24 {
 15013  			break
 15014  		}
 15015  		x3 := s2.Args[0]
 15016  		if x3.Op != OpS390XMOVBZloadidx {
 15017  			break
 15018  		}
 15019  		if x3.AuxInt != i-3 {
 15020  			break
 15021  		}
 15022  		if x3.Aux != s {
 15023  			break
 15024  		}
 15025  		if p != x3.Args[0] {
 15026  			break
 15027  		}
 15028  		if idx != x3.Args[1] {
 15029  			break
 15030  		}
 15031  		if mem != x3.Args[2] {
 15032  			break
 15033  		}
 15034  		s3 := o2.Args[1]
 15035  		if s3.Op != OpS390XSLDconst {
 15036  			break
 15037  		}
 15038  		if s3.AuxInt != 32 {
 15039  			break
 15040  		}
 15041  		x4 := s3.Args[0]
 15042  		if x4.Op != OpS390XMOVBZloadidx {
 15043  			break
 15044  		}
 15045  		if x4.AuxInt != i-4 {
 15046  			break
 15047  		}
 15048  		if x4.Aux != s {
 15049  			break
 15050  		}
 15051  		if p != x4.Args[0] {
 15052  			break
 15053  		}
 15054  		if idx != x4.Args[1] {
 15055  			break
 15056  		}
 15057  		if mem != x4.Args[2] {
 15058  			break
 15059  		}
 15060  		s4 := o1.Args[1]
 15061  		if s4.Op != OpS390XSLDconst {
 15062  			break
 15063  		}
 15064  		if s4.AuxInt != 40 {
 15065  			break
 15066  		}
 15067  		x5 := s4.Args[0]
 15068  		if x5.Op != OpS390XMOVBZloadidx {
 15069  			break
 15070  		}
 15071  		if x5.AuxInt != i-5 {
 15072  			break
 15073  		}
 15074  		if x5.Aux != s {
 15075  			break
 15076  		}
 15077  		if p != x5.Args[0] {
 15078  			break
 15079  		}
 15080  		if idx != x5.Args[1] {
 15081  			break
 15082  		}
 15083  		if mem != x5.Args[2] {
 15084  			break
 15085  		}
 15086  		s5 := o0.Args[1]
 15087  		if s5.Op != OpS390XSLDconst {
 15088  			break
 15089  		}
 15090  		if s5.AuxInt != 48 {
 15091  			break
 15092  		}
 15093  		x6 := s5.Args[0]
 15094  		if x6.Op != OpS390XMOVBZloadidx {
 15095  			break
 15096  		}
 15097  		if x6.AuxInt != i-6 {
 15098  			break
 15099  		}
 15100  		if x6.Aux != s {
 15101  			break
 15102  		}
 15103  		if p != x6.Args[0] {
 15104  			break
 15105  		}
 15106  		if idx != x6.Args[1] {
 15107  			break
 15108  		}
 15109  		if mem != x6.Args[2] {
 15110  			break
 15111  		}
 15112  		s6 := v.Args[1]
 15113  		if s6.Op != OpS390XSLDconst {
 15114  			break
 15115  		}
 15116  		if s6.AuxInt != 56 {
 15117  			break
 15118  		}
 15119  		x7 := s6.Args[0]
 15120  		if x7.Op != OpS390XMOVBZloadidx {
 15121  			break
 15122  		}
 15123  		if x7.AuxInt != i-7 {
 15124  			break
 15125  		}
 15126  		if x7.Aux != s {
 15127  			break
 15128  		}
 15129  		if p != x7.Args[0] {
 15130  			break
 15131  		}
 15132  		if idx != x7.Args[1] {
 15133  			break
 15134  		}
 15135  		if mem != x7.Args[2] {
 15136  			break
 15137  		}
 15138  		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)) {
 15139  			break
 15140  		}
 15141  		b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7)
 15142  		v0 := b.NewValue0(v.Pos, OpS390XMOVDloadidx, v.Type)
 15143  		v.reset(OpCopy)
 15144  		v.AddArg(v0)
 15145  		v0.AuxInt = i - 7
 15146  		v0.Aux = s
 15147  		v0.AddArg(p)
 15148  		v0.AddArg(idx)
 15149  		v0.AddArg(mem)
 15150  		return true
 15151  	}
 15152  	return false
 15153  }
 15154  func rewriteValueS390X_OpS390XORW(v *Value, config *Config) bool {
 15155  	b := v.Block
 15156  	_ = b
 15157  	// match: (ORW x (MOVDconst [c]))
 15158  	// cond:
 15159  	// result: (ORWconst [c] x)
 15160  	for {
 15161  		x := v.Args[0]
 15162  		v_1 := v.Args[1]
 15163  		if v_1.Op != OpS390XMOVDconst {
 15164  			break
 15165  		}
 15166  		c := v_1.AuxInt
 15167  		v.reset(OpS390XORWconst)
 15168  		v.AuxInt = c
 15169  		v.AddArg(x)
 15170  		return true
 15171  	}
 15172  	// match: (ORW (MOVDconst [c]) x)
 15173  	// cond:
 15174  	// result: (ORWconst [c] x)
 15175  	for {
 15176  		v_0 := v.Args[0]
 15177  		if v_0.Op != OpS390XMOVDconst {
 15178  			break
 15179  		}
 15180  		c := v_0.AuxInt
 15181  		x := v.Args[1]
 15182  		v.reset(OpS390XORWconst)
 15183  		v.AuxInt = c
 15184  		v.AddArg(x)
 15185  		return true
 15186  	}
 15187  	// match: ( ORW (SLWconst x [c]) (SRWconst x [32-c]))
 15188  	// cond:
 15189  	// result: (RLLconst [   c] x)
 15190  	for {
 15191  		v_0 := v.Args[0]
 15192  		if v_0.Op != OpS390XSLWconst {
 15193  			break
 15194  		}
 15195  		c := v_0.AuxInt
 15196  		x := v_0.Args[0]
 15197  		v_1 := v.Args[1]
 15198  		if v_1.Op != OpS390XSRWconst {
 15199  			break
 15200  		}
 15201  		if v_1.AuxInt != 32-c {
 15202  			break
 15203  		}
 15204  		if x != v_1.Args[0] {
 15205  			break
 15206  		}
 15207  		v.reset(OpS390XRLLconst)
 15208  		v.AuxInt = c
 15209  		v.AddArg(x)
 15210  		return true
 15211  	}
 15212  	// match: ( ORW (SRWconst x [c]) (SLWconst x [32-c]))
 15213  	// cond:
 15214  	// result: (RLLconst [32-c] x)
 15215  	for {
 15216  		v_0 := v.Args[0]
 15217  		if v_0.Op != OpS390XSRWconst {
 15218  			break
 15219  		}
 15220  		c := v_0.AuxInt
 15221  		x := v_0.Args[0]
 15222  		v_1 := v.Args[1]
 15223  		if v_1.Op != OpS390XSLWconst {
 15224  			break
 15225  		}
 15226  		if v_1.AuxInt != 32-c {
 15227  			break
 15228  		}
 15229  		if x != v_1.Args[0] {
 15230  			break
 15231  		}
 15232  		v.reset(OpS390XRLLconst)
 15233  		v.AuxInt = 32 - c
 15234  		v.AddArg(x)
 15235  		return true
 15236  	}
 15237  	// match: (ORW x x)
 15238  	// cond:
 15239  	// result: x
 15240  	for {
 15241  		x := v.Args[0]
 15242  		if x != v.Args[1] {
 15243  			break
 15244  		}
 15245  		v.reset(OpCopy)
 15246  		v.Type = x.Type
 15247  		v.AddArg(x)
 15248  		return true
 15249  	}
 15250  	// match: (ORW <t> x g:(MOVWload [off] {sym} ptr mem))
 15251  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 15252  	// result: (ORWload <t> [off] {sym} x ptr mem)
 15253  	for {
 15254  		t := v.Type
 15255  		x := v.Args[0]
 15256  		g := v.Args[1]
 15257  		if g.Op != OpS390XMOVWload {
 15258  			break
 15259  		}
 15260  		off := g.AuxInt
 15261  		sym := g.Aux
 15262  		ptr := g.Args[0]
 15263  		mem := g.Args[1]
 15264  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 15265  			break
 15266  		}
 15267  		v.reset(OpS390XORWload)
 15268  		v.Type = t
 15269  		v.AuxInt = off
 15270  		v.Aux = sym
 15271  		v.AddArg(x)
 15272  		v.AddArg(ptr)
 15273  		v.AddArg(mem)
 15274  		return true
 15275  	}
 15276  	// match: (ORW <t> g:(MOVWload [off] {sym} ptr mem) x)
 15277  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 15278  	// result: (ORWload <t> [off] {sym} x ptr mem)
 15279  	for {
 15280  		t := v.Type
 15281  		g := v.Args[0]
 15282  		if g.Op != OpS390XMOVWload {
 15283  			break
 15284  		}
 15285  		off := g.AuxInt
 15286  		sym := g.Aux
 15287  		ptr := g.Args[0]
 15288  		mem := g.Args[1]
 15289  		x := v.Args[1]
 15290  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 15291  			break
 15292  		}
 15293  		v.reset(OpS390XORWload)
 15294  		v.Type = t
 15295  		v.AuxInt = off
 15296  		v.Aux = sym
 15297  		v.AddArg(x)
 15298  		v.AddArg(ptr)
 15299  		v.AddArg(mem)
 15300  		return true
 15301  	}
 15302  	// match: (ORW <t> x g:(MOVWZload [off] {sym} ptr mem))
 15303  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 15304  	// result: (ORWload <t> [off] {sym} x ptr mem)
 15305  	for {
 15306  		t := v.Type
 15307  		x := v.Args[0]
 15308  		g := v.Args[1]
 15309  		if g.Op != OpS390XMOVWZload {
 15310  			break
 15311  		}
 15312  		off := g.AuxInt
 15313  		sym := g.Aux
 15314  		ptr := g.Args[0]
 15315  		mem := g.Args[1]
 15316  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 15317  			break
 15318  		}
 15319  		v.reset(OpS390XORWload)
 15320  		v.Type = t
 15321  		v.AuxInt = off
 15322  		v.Aux = sym
 15323  		v.AddArg(x)
 15324  		v.AddArg(ptr)
 15325  		v.AddArg(mem)
 15326  		return true
 15327  	}
 15328  	// match: (ORW <t> g:(MOVWZload [off] {sym} ptr mem) x)
 15329  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 15330  	// result: (ORWload <t> [off] {sym} x ptr mem)
 15331  	for {
 15332  		t := v.Type
 15333  		g := v.Args[0]
 15334  		if g.Op != OpS390XMOVWZload {
 15335  			break
 15336  		}
 15337  		off := g.AuxInt
 15338  		sym := g.Aux
 15339  		ptr := g.Args[0]
 15340  		mem := g.Args[1]
 15341  		x := v.Args[1]
 15342  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 15343  			break
 15344  		}
 15345  		v.reset(OpS390XORWload)
 15346  		v.Type = t
 15347  		v.AuxInt = off
 15348  		v.Aux = sym
 15349  		v.AddArg(x)
 15350  		v.AddArg(ptr)
 15351  		v.AddArg(mem)
 15352  		return true
 15353  	}
 15354  	// match: (ORW                 x0:(MOVBZload [i]   {s} p mem)     s0:(SLWconst [8] x1:(MOVBZload [i+1] {s} p mem)))
 15355  	// cond: p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)
 15356  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRload [i] {s} p mem))
 15357  	for {
 15358  		x0 := v.Args[0]
 15359  		if x0.Op != OpS390XMOVBZload {
 15360  			break
 15361  		}
 15362  		i := x0.AuxInt
 15363  		s := x0.Aux
 15364  		p := x0.Args[0]
 15365  		mem := x0.Args[1]
 15366  		s0 := v.Args[1]
 15367  		if s0.Op != OpS390XSLWconst {
 15368  			break
 15369  		}
 15370  		if s0.AuxInt != 8 {
 15371  			break
 15372  		}
 15373  		x1 := s0.Args[0]
 15374  		if x1.Op != OpS390XMOVBZload {
 15375  			break
 15376  		}
 15377  		if x1.AuxInt != i+1 {
 15378  			break
 15379  		}
 15380  		if x1.Aux != s {
 15381  			break
 15382  		}
 15383  		if p != x1.Args[0] {
 15384  			break
 15385  		}
 15386  		if mem != x1.Args[1] {
 15387  			break
 15388  		}
 15389  		if !(p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0)) {
 15390  			break
 15391  		}
 15392  		b = mergePoint(b, x0, x1)
 15393  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
 15394  		v.reset(OpCopy)
 15395  		v.AddArg(v0)
 15396  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRload, config.fe.TypeUInt16())
 15397  		v1.AuxInt = i
 15398  		v1.Aux = s
 15399  		v1.AddArg(p)
 15400  		v1.AddArg(mem)
 15401  		v0.AddArg(v1)
 15402  		return true
 15403  	}
 15404  	// 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)))
 15405  	// 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)
 15406  	// result: @mergePoint(b,x0,x1,x2) (MOVWBRload [i] {s} p mem)
 15407  	for {
 15408  		o0 := v.Args[0]
 15409  		if o0.Op != OpS390XORW {
 15410  			break
 15411  		}
 15412  		z0 := o0.Args[0]
 15413  		if z0.Op != OpS390XMOVHZreg {
 15414  			break
 15415  		}
 15416  		x0 := z0.Args[0]
 15417  		if x0.Op != OpS390XMOVHBRload {
 15418  			break
 15419  		}
 15420  		i := x0.AuxInt
 15421  		s := x0.Aux
 15422  		p := x0.Args[0]
 15423  		mem := x0.Args[1]
 15424  		s0 := o0.Args[1]
 15425  		if s0.Op != OpS390XSLWconst {
 15426  			break
 15427  		}
 15428  		if s0.AuxInt != 16 {
 15429  			break
 15430  		}
 15431  		x1 := s0.Args[0]
 15432  		if x1.Op != OpS390XMOVBZload {
 15433  			break
 15434  		}
 15435  		if x1.AuxInt != i+2 {
 15436  			break
 15437  		}
 15438  		if x1.Aux != s {
 15439  			break
 15440  		}
 15441  		if p != x1.Args[0] {
 15442  			break
 15443  		}
 15444  		if mem != x1.Args[1] {
 15445  			break
 15446  		}
 15447  		s1 := v.Args[1]
 15448  		if s1.Op != OpS390XSLWconst {
 15449  			break
 15450  		}
 15451  		if s1.AuxInt != 24 {
 15452  			break
 15453  		}
 15454  		x2 := s1.Args[0]
 15455  		if x2.Op != OpS390XMOVBZload {
 15456  			break
 15457  		}
 15458  		if x2.AuxInt != i+3 {
 15459  			break
 15460  		}
 15461  		if x2.Aux != s {
 15462  			break
 15463  		}
 15464  		if p != x2.Args[0] {
 15465  			break
 15466  		}
 15467  		if mem != x2.Args[1] {
 15468  			break
 15469  		}
 15470  		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)) {
 15471  			break
 15472  		}
 15473  		b = mergePoint(b, x0, x1, x2)
 15474  		v0 := b.NewValue0(v.Pos, OpS390XMOVWBRload, config.fe.TypeUInt32())
 15475  		v.reset(OpCopy)
 15476  		v.AddArg(v0)
 15477  		v0.AuxInt = i
 15478  		v0.Aux = s
 15479  		v0.AddArg(p)
 15480  		v0.AddArg(mem)
 15481  		return true
 15482  	}
 15483  	// match: (ORW                 x0:(MOVBZloadidx [i]   {s} p idx mem)     s0:(SLWconst [8] x1:(MOVBZloadidx [i+1] {s} p idx mem)))
 15484  	// cond: x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)
 15485  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRloadidx <v.Type> [i] {s} p idx mem))
 15486  	for {
 15487  		x0 := v.Args[0]
 15488  		if x0.Op != OpS390XMOVBZloadidx {
 15489  			break
 15490  		}
 15491  		i := x0.AuxInt
 15492  		s := x0.Aux
 15493  		p := x0.Args[0]
 15494  		idx := x0.Args[1]
 15495  		mem := x0.Args[2]
 15496  		s0 := v.Args[1]
 15497  		if s0.Op != OpS390XSLWconst {
 15498  			break
 15499  		}
 15500  		if s0.AuxInt != 8 {
 15501  			break
 15502  		}
 15503  		x1 := s0.Args[0]
 15504  		if x1.Op != OpS390XMOVBZloadidx {
 15505  			break
 15506  		}
 15507  		if x1.AuxInt != i+1 {
 15508  			break
 15509  		}
 15510  		if x1.Aux != s {
 15511  			break
 15512  		}
 15513  		if p != x1.Args[0] {
 15514  			break
 15515  		}
 15516  		if idx != x1.Args[1] {
 15517  			break
 15518  		}
 15519  		if mem != x1.Args[2] {
 15520  			break
 15521  		}
 15522  		if !(x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0)) {
 15523  			break
 15524  		}
 15525  		b = mergePoint(b, x0, x1)
 15526  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZreg, config.fe.TypeUInt64())
 15527  		v.reset(OpCopy)
 15528  		v.AddArg(v0)
 15529  		v1 := b.NewValue0(v.Pos, OpS390XMOVHBRloadidx, v.Type)
 15530  		v1.AuxInt = i
 15531  		v1.Aux = s
 15532  		v1.AddArg(p)
 15533  		v1.AddArg(idx)
 15534  		v1.AddArg(mem)
 15535  		v0.AddArg(v1)
 15536  		return true
 15537  	}
 15538  	// 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)))
 15539  	// 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)
 15540  	// result: @mergePoint(b,x0,x1,x2) (MOVWZreg (MOVWBRloadidx <v.Type> [i] {s} p idx mem))
 15541  	for {
 15542  		o0 := v.Args[0]
 15543  		if o0.Op != OpS390XORW {
 15544  			break
 15545  		}
 15546  		z0 := o0.Args[0]
 15547  		if z0.Op != OpS390XMOVHZreg {
 15548  			break
 15549  		}
 15550  		x0 := z0.Args[0]
 15551  		if x0.Op != OpS390XMOVHBRloadidx {
 15552  			break
 15553  		}
 15554  		i := x0.AuxInt
 15555  		s := x0.Aux
 15556  		p := x0.Args[0]
 15557  		idx := x0.Args[1]
 15558  		mem := x0.Args[2]
 15559  		s0 := o0.Args[1]
 15560  		if s0.Op != OpS390XSLWconst {
 15561  			break
 15562  		}
 15563  		if s0.AuxInt != 16 {
 15564  			break
 15565  		}
 15566  		x1 := s0.Args[0]
 15567  		if x1.Op != OpS390XMOVBZloadidx {
 15568  			break
 15569  		}
 15570  		if x1.AuxInt != i+2 {
 15571  			break
 15572  		}
 15573  		if x1.Aux != s {
 15574  			break
 15575  		}
 15576  		if p != x1.Args[0] {
 15577  			break
 15578  		}
 15579  		if idx != x1.Args[1] {
 15580  			break
 15581  		}
 15582  		if mem != x1.Args[2] {
 15583  			break
 15584  		}
 15585  		s1 := v.Args[1]
 15586  		if s1.Op != OpS390XSLWconst {
 15587  			break
 15588  		}
 15589  		if s1.AuxInt != 24 {
 15590  			break
 15591  		}
 15592  		x2 := s1.Args[0]
 15593  		if x2.Op != OpS390XMOVBZloadidx {
 15594  			break
 15595  		}
 15596  		if x2.AuxInt != i+3 {
 15597  			break
 15598  		}
 15599  		if x2.Aux != s {
 15600  			break
 15601  		}
 15602  		if p != x2.Args[0] {
 15603  			break
 15604  		}
 15605  		if idx != x2.Args[1] {
 15606  			break
 15607  		}
 15608  		if mem != x2.Args[2] {
 15609  			break
 15610  		}
 15611  		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)) {
 15612  			break
 15613  		}
 15614  		b = mergePoint(b, x0, x1, x2)
 15615  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZreg, config.fe.TypeUInt64())
 15616  		v.reset(OpCopy)
 15617  		v.AddArg(v0)
 15618  		v1 := b.NewValue0(v.Pos, OpS390XMOVWBRloadidx, v.Type)
 15619  		v1.AuxInt = i
 15620  		v1.Aux = s
 15621  		v1.AddArg(p)
 15622  		v1.AddArg(idx)
 15623  		v1.AddArg(mem)
 15624  		v0.AddArg(v1)
 15625  		return true
 15626  	}
 15627  	// match: (ORW                  x0:(MOVBZload [i]   {s} p mem)     s0:(SLWconst [8] x1:(MOVBZload [i-1] {s} p mem)))
 15628  	// cond: p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)
 15629  	// result: @mergePoint(b,x0,x1) (MOVHZload [i-1] {s} p mem)
 15630  	for {
 15631  		x0 := v.Args[0]
 15632  		if x0.Op != OpS390XMOVBZload {
 15633  			break
 15634  		}
 15635  		i := x0.AuxInt
 15636  		s := x0.Aux
 15637  		p := x0.Args[0]
 15638  		mem := x0.Args[1]
 15639  		s0 := v.Args[1]
 15640  		if s0.Op != OpS390XSLWconst {
 15641  			break
 15642  		}
 15643  		if s0.AuxInt != 8 {
 15644  			break
 15645  		}
 15646  		x1 := s0.Args[0]
 15647  		if x1.Op != OpS390XMOVBZload {
 15648  			break
 15649  		}
 15650  		if x1.AuxInt != i-1 {
 15651  			break
 15652  		}
 15653  		if x1.Aux != s {
 15654  			break
 15655  		}
 15656  		if p != x1.Args[0] {
 15657  			break
 15658  		}
 15659  		if mem != x1.Args[1] {
 15660  			break
 15661  		}
 15662  		if !(p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0)) {
 15663  			break
 15664  		}
 15665  		b = mergePoint(b, x0, x1)
 15666  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZload, config.fe.TypeUInt16())
 15667  		v.reset(OpCopy)
 15668  		v.AddArg(v0)
 15669  		v0.AuxInt = i - 1
 15670  		v0.Aux = s
 15671  		v0.AddArg(p)
 15672  		v0.AddArg(mem)
 15673  		return true
 15674  	}
 15675  	// 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)))
 15676  	// 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)
 15677  	// result: @mergePoint(b,x0,x1,x2) (MOVWZload [i-2] {s} p mem)
 15678  	for {
 15679  		o0 := v.Args[0]
 15680  		if o0.Op != OpS390XORW {
 15681  			break
 15682  		}
 15683  		x0 := o0.Args[0]
 15684  		if x0.Op != OpS390XMOVHZload {
 15685  			break
 15686  		}
 15687  		i := x0.AuxInt
 15688  		s := x0.Aux
 15689  		p := x0.Args[0]
 15690  		mem := x0.Args[1]
 15691  		s0 := o0.Args[1]
 15692  		if s0.Op != OpS390XSLWconst {
 15693  			break
 15694  		}
 15695  		if s0.AuxInt != 16 {
 15696  			break
 15697  		}
 15698  		x1 := s0.Args[0]
 15699  		if x1.Op != OpS390XMOVBZload {
 15700  			break
 15701  		}
 15702  		if x1.AuxInt != i-1 {
 15703  			break
 15704  		}
 15705  		if x1.Aux != s {
 15706  			break
 15707  		}
 15708  		if p != x1.Args[0] {
 15709  			break
 15710  		}
 15711  		if mem != x1.Args[1] {
 15712  			break
 15713  		}
 15714  		s1 := v.Args[1]
 15715  		if s1.Op != OpS390XSLWconst {
 15716  			break
 15717  		}
 15718  		if s1.AuxInt != 24 {
 15719  			break
 15720  		}
 15721  		x2 := s1.Args[0]
 15722  		if x2.Op != OpS390XMOVBZload {
 15723  			break
 15724  		}
 15725  		if x2.AuxInt != i-2 {
 15726  			break
 15727  		}
 15728  		if x2.Aux != s {
 15729  			break
 15730  		}
 15731  		if p != x2.Args[0] {
 15732  			break
 15733  		}
 15734  		if mem != x2.Args[1] {
 15735  			break
 15736  		}
 15737  		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)) {
 15738  			break
 15739  		}
 15740  		b = mergePoint(b, x0, x1, x2)
 15741  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZload, config.fe.TypeUInt32())
 15742  		v.reset(OpCopy)
 15743  		v.AddArg(v0)
 15744  		v0.AuxInt = i - 2
 15745  		v0.Aux = s
 15746  		v0.AddArg(p)
 15747  		v0.AddArg(mem)
 15748  		return true
 15749  	}
 15750  	// match: (ORW                 x0:(MOVBZloadidx [i]   {s} p idx mem)     s0:(SLWconst [8] x1:(MOVBZloadidx [i-1] {s} p idx mem)))
 15751  	// cond: x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)
 15752  	// result: @mergePoint(b,x0,x1) (MOVHZloadidx <v.Type> [i-1] {s} p idx mem)
 15753  	for {
 15754  		x0 := v.Args[0]
 15755  		if x0.Op != OpS390XMOVBZloadidx {
 15756  			break
 15757  		}
 15758  		i := x0.AuxInt
 15759  		s := x0.Aux
 15760  		p := x0.Args[0]
 15761  		idx := x0.Args[1]
 15762  		mem := x0.Args[2]
 15763  		s0 := v.Args[1]
 15764  		if s0.Op != OpS390XSLWconst {
 15765  			break
 15766  		}
 15767  		if s0.AuxInt != 8 {
 15768  			break
 15769  		}
 15770  		x1 := s0.Args[0]
 15771  		if x1.Op != OpS390XMOVBZloadidx {
 15772  			break
 15773  		}
 15774  		if x1.AuxInt != i-1 {
 15775  			break
 15776  		}
 15777  		if x1.Aux != s {
 15778  			break
 15779  		}
 15780  		if p != x1.Args[0] {
 15781  			break
 15782  		}
 15783  		if idx != x1.Args[1] {
 15784  			break
 15785  		}
 15786  		if mem != x1.Args[2] {
 15787  			break
 15788  		}
 15789  		if !(x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0)) {
 15790  			break
 15791  		}
 15792  		b = mergePoint(b, x0, x1)
 15793  		v0 := b.NewValue0(v.Pos, OpS390XMOVHZloadidx, v.Type)
 15794  		v.reset(OpCopy)
 15795  		v.AddArg(v0)
 15796  		v0.AuxInt = i - 1
 15797  		v0.Aux = s
 15798  		v0.AddArg(p)
 15799  		v0.AddArg(idx)
 15800  		v0.AddArg(mem)
 15801  		return true
 15802  	}
 15803  	// 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)))
 15804  	// 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)
 15805  	// result: @mergePoint(b,x0,x1,x2) (MOVWZloadidx <v.Type> [i-2] {s} p idx mem)
 15806  	for {
 15807  		o0 := v.Args[0]
 15808  		if o0.Op != OpS390XORW {
 15809  			break
 15810  		}
 15811  		x0 := o0.Args[0]
 15812  		if x0.Op != OpS390XMOVHZloadidx {
 15813  			break
 15814  		}
 15815  		i := x0.AuxInt
 15816  		s := x0.Aux
 15817  		p := x0.Args[0]
 15818  		idx := x0.Args[1]
 15819  		mem := x0.Args[2]
 15820  		s0 := o0.Args[1]
 15821  		if s0.Op != OpS390XSLWconst {
 15822  			break
 15823  		}
 15824  		if s0.AuxInt != 16 {
 15825  			break
 15826  		}
 15827  		x1 := s0.Args[0]
 15828  		if x1.Op != OpS390XMOVBZloadidx {
 15829  			break
 15830  		}
 15831  		if x1.AuxInt != i-1 {
 15832  			break
 15833  		}
 15834  		if x1.Aux != s {
 15835  			break
 15836  		}
 15837  		if p != x1.Args[0] {
 15838  			break
 15839  		}
 15840  		if idx != x1.Args[1] {
 15841  			break
 15842  		}
 15843  		if mem != x1.Args[2] {
 15844  			break
 15845  		}
 15846  		s1 := v.Args[1]
 15847  		if s1.Op != OpS390XSLWconst {
 15848  			break
 15849  		}
 15850  		if s1.AuxInt != 24 {
 15851  			break
 15852  		}
 15853  		x2 := s1.Args[0]
 15854  		if x2.Op != OpS390XMOVBZloadidx {
 15855  			break
 15856  		}
 15857  		if x2.AuxInt != i-2 {
 15858  			break
 15859  		}
 15860  		if x2.Aux != s {
 15861  			break
 15862  		}
 15863  		if p != x2.Args[0] {
 15864  			break
 15865  		}
 15866  		if idx != x2.Args[1] {
 15867  			break
 15868  		}
 15869  		if mem != x2.Args[2] {
 15870  			break
 15871  		}
 15872  		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)) {
 15873  			break
 15874  		}
 15875  		b = mergePoint(b, x0, x1, x2)
 15876  		v0 := b.NewValue0(v.Pos, OpS390XMOVWZloadidx, v.Type)
 15877  		v.reset(OpCopy)
 15878  		v.AddArg(v0)
 15879  		v0.AuxInt = i - 2
 15880  		v0.Aux = s
 15881  		v0.AddArg(p)
 15882  		v0.AddArg(idx)
 15883  		v0.AddArg(mem)
 15884  		return true
 15885  	}
 15886  	return false
 15887  }
 15888  func rewriteValueS390X_OpS390XORWconst(v *Value, config *Config) bool {
 15889  	b := v.Block
 15890  	_ = b
 15891  	// match: (ORWconst [c] x)
 15892  	// cond: int32(c)==0
 15893  	// result: x
 15894  	for {
 15895  		c := v.AuxInt
 15896  		x := v.Args[0]
 15897  		if !(int32(c) == 0) {
 15898  			break
 15899  		}
 15900  		v.reset(OpCopy)
 15901  		v.Type = x.Type
 15902  		v.AddArg(x)
 15903  		return true
 15904  	}
 15905  	// match: (ORWconst [c] _)
 15906  	// cond: int32(c)==-1
 15907  	// result: (MOVDconst [-1])
 15908  	for {
 15909  		c := v.AuxInt
 15910  		if !(int32(c) == -1) {
 15911  			break
 15912  		}
 15913  		v.reset(OpS390XMOVDconst)
 15914  		v.AuxInt = -1
 15915  		return true
 15916  	}
 15917  	// match: (ORWconst [c] (MOVDconst [d]))
 15918  	// cond:
 15919  	// result: (MOVDconst [c|d])
 15920  	for {
 15921  		c := v.AuxInt
 15922  		v_0 := v.Args[0]
 15923  		if v_0.Op != OpS390XMOVDconst {
 15924  			break
 15925  		}
 15926  		d := v_0.AuxInt
 15927  		v.reset(OpS390XMOVDconst)
 15928  		v.AuxInt = c | d
 15929  		return true
 15930  	}
 15931  	return false
 15932  }
 15933  func rewriteValueS390X_OpS390XORconst(v *Value, config *Config) bool {
 15934  	b := v.Block
 15935  	_ = b
 15936  	// match: (ORconst [0] x)
 15937  	// cond:
 15938  	// result: x
 15939  	for {
 15940  		if v.AuxInt != 0 {
 15941  			break
 15942  		}
 15943  		x := v.Args[0]
 15944  		v.reset(OpCopy)
 15945  		v.Type = x.Type
 15946  		v.AddArg(x)
 15947  		return true
 15948  	}
 15949  	// match: (ORconst [-1] _)
 15950  	// cond:
 15951  	// result: (MOVDconst [-1])
 15952  	for {
 15953  		if v.AuxInt != -1 {
 15954  			break
 15955  		}
 15956  		v.reset(OpS390XMOVDconst)
 15957  		v.AuxInt = -1
 15958  		return true
 15959  	}
 15960  	// match: (ORconst [c] (MOVDconst [d]))
 15961  	// cond:
 15962  	// result: (MOVDconst [c|d])
 15963  	for {
 15964  		c := v.AuxInt
 15965  		v_0 := v.Args[0]
 15966  		if v_0.Op != OpS390XMOVDconst {
 15967  			break
 15968  		}
 15969  		d := v_0.AuxInt
 15970  		v.reset(OpS390XMOVDconst)
 15971  		v.AuxInt = c | d
 15972  		return true
 15973  	}
 15974  	return false
 15975  }
 15976  func rewriteValueS390X_OpS390XSLD(v *Value, config *Config) bool {
 15977  	b := v.Block
 15978  	_ = b
 15979  	// match: (SLD x (MOVDconst [c]))
 15980  	// cond:
 15981  	// result: (SLDconst [c&63] x)
 15982  	for {
 15983  		x := v.Args[0]
 15984  		v_1 := v.Args[1]
 15985  		if v_1.Op != OpS390XMOVDconst {
 15986  			break
 15987  		}
 15988  		c := v_1.AuxInt
 15989  		v.reset(OpS390XSLDconst)
 15990  		v.AuxInt = c & 63
 15991  		v.AddArg(x)
 15992  		return true
 15993  	}
 15994  	// match: (SLD x (ANDconst [63] y))
 15995  	// cond:
 15996  	// result: (SLD x y)
 15997  	for {
 15998  		x := v.Args[0]
 15999  		v_1 := v.Args[1]
 16000  		if v_1.Op != OpS390XANDconst {
 16001  			break
 16002  		}
 16003  		if v_1.AuxInt != 63 {
 16004  			break
 16005  		}
 16006  		y := v_1.Args[0]
 16007  		v.reset(OpS390XSLD)
 16008  		v.AddArg(x)
 16009  		v.AddArg(y)
 16010  		return true
 16011  	}
 16012  	return false
 16013  }
 16014  func rewriteValueS390X_OpS390XSLW(v *Value, config *Config) bool {
 16015  	b := v.Block
 16016  	_ = b
 16017  	// match: (SLW x (MOVDconst [c]))
 16018  	// cond:
 16019  	// result: (SLWconst [c&63] x)
 16020  	for {
 16021  		x := v.Args[0]
 16022  		v_1 := v.Args[1]
 16023  		if v_1.Op != OpS390XMOVDconst {
 16024  			break
 16025  		}
 16026  		c := v_1.AuxInt
 16027  		v.reset(OpS390XSLWconst)
 16028  		v.AuxInt = c & 63
 16029  		v.AddArg(x)
 16030  		return true
 16031  	}
 16032  	// match: (SLW x (ANDWconst [63] y))
 16033  	// cond:
 16034  	// result: (SLW x y)
 16035  	for {
 16036  		x := v.Args[0]
 16037  		v_1 := v.Args[1]
 16038  		if v_1.Op != OpS390XANDWconst {
 16039  			break
 16040  		}
 16041  		if v_1.AuxInt != 63 {
 16042  			break
 16043  		}
 16044  		y := v_1.Args[0]
 16045  		v.reset(OpS390XSLW)
 16046  		v.AddArg(x)
 16047  		v.AddArg(y)
 16048  		return true
 16049  	}
 16050  	return false
 16051  }
 16052  func rewriteValueS390X_OpS390XSRAD(v *Value, config *Config) bool {
 16053  	b := v.Block
 16054  	_ = b
 16055  	// match: (SRAD x (MOVDconst [c]))
 16056  	// cond:
 16057  	// result: (SRADconst [c&63] x)
 16058  	for {
 16059  		x := v.Args[0]
 16060  		v_1 := v.Args[1]
 16061  		if v_1.Op != OpS390XMOVDconst {
 16062  			break
 16063  		}
 16064  		c := v_1.AuxInt
 16065  		v.reset(OpS390XSRADconst)
 16066  		v.AuxInt = c & 63
 16067  		v.AddArg(x)
 16068  		return true
 16069  	}
 16070  	// match: (SRAD x (ANDconst [63] y))
 16071  	// cond:
 16072  	// result: (SRAD x y)
 16073  	for {
 16074  		x := v.Args[0]
 16075  		v_1 := v.Args[1]
 16076  		if v_1.Op != OpS390XANDconst {
 16077  			break
 16078  		}
 16079  		if v_1.AuxInt != 63 {
 16080  			break
 16081  		}
 16082  		y := v_1.Args[0]
 16083  		v.reset(OpS390XSRAD)
 16084  		v.AddArg(x)
 16085  		v.AddArg(y)
 16086  		return true
 16087  	}
 16088  	return false
 16089  }
 16090  func rewriteValueS390X_OpS390XSRADconst(v *Value, config *Config) bool {
 16091  	b := v.Block
 16092  	_ = b
 16093  	// match: (SRADconst [c] (MOVDconst [d]))
 16094  	// cond:
 16095  	// result: (MOVDconst [d>>uint64(c)])
 16096  	for {
 16097  		c := v.AuxInt
 16098  		v_0 := v.Args[0]
 16099  		if v_0.Op != OpS390XMOVDconst {
 16100  			break
 16101  		}
 16102  		d := v_0.AuxInt
 16103  		v.reset(OpS390XMOVDconst)
 16104  		v.AuxInt = d >> uint64(c)
 16105  		return true
 16106  	}
 16107  	return false
 16108  }
 16109  func rewriteValueS390X_OpS390XSRAW(v *Value, config *Config) bool {
 16110  	b := v.Block
 16111  	_ = b
 16112  	// match: (SRAW x (MOVDconst [c]))
 16113  	// cond:
 16114  	// result: (SRAWconst [c&63] x)
 16115  	for {
 16116  		x := v.Args[0]
 16117  		v_1 := v.Args[1]
 16118  		if v_1.Op != OpS390XMOVDconst {
 16119  			break
 16120  		}
 16121  		c := v_1.AuxInt
 16122  		v.reset(OpS390XSRAWconst)
 16123  		v.AuxInt = c & 63
 16124  		v.AddArg(x)
 16125  		return true
 16126  	}
 16127  	// match: (SRAW x (ANDWconst [63] y))
 16128  	// cond:
 16129  	// result: (SRAW x y)
 16130  	for {
 16131  		x := v.Args[0]
 16132  		v_1 := v.Args[1]
 16133  		if v_1.Op != OpS390XANDWconst {
 16134  			break
 16135  		}
 16136  		if v_1.AuxInt != 63 {
 16137  			break
 16138  		}
 16139  		y := v_1.Args[0]
 16140  		v.reset(OpS390XSRAW)
 16141  		v.AddArg(x)
 16142  		v.AddArg(y)
 16143  		return true
 16144  	}
 16145  	return false
 16146  }
 16147  func rewriteValueS390X_OpS390XSRAWconst(v *Value, config *Config) bool {
 16148  	b := v.Block
 16149  	_ = b
 16150  	// match: (SRAWconst [c] (MOVDconst [d]))
 16151  	// cond:
 16152  	// result: (MOVDconst [d>>uint64(c)])
 16153  	for {
 16154  		c := v.AuxInt
 16155  		v_0 := v.Args[0]
 16156  		if v_0.Op != OpS390XMOVDconst {
 16157  			break
 16158  		}
 16159  		d := v_0.AuxInt
 16160  		v.reset(OpS390XMOVDconst)
 16161  		v.AuxInt = d >> uint64(c)
 16162  		return true
 16163  	}
 16164  	return false
 16165  }
 16166  func rewriteValueS390X_OpS390XSRD(v *Value, config *Config) bool {
 16167  	b := v.Block
 16168  	_ = b
 16169  	// match: (SRD x (MOVDconst [c]))
 16170  	// cond:
 16171  	// result: (SRDconst [c&63] x)
 16172  	for {
 16173  		x := v.Args[0]
 16174  		v_1 := v.Args[1]
 16175  		if v_1.Op != OpS390XMOVDconst {
 16176  			break
 16177  		}
 16178  		c := v_1.AuxInt
 16179  		v.reset(OpS390XSRDconst)
 16180  		v.AuxInt = c & 63
 16181  		v.AddArg(x)
 16182  		return true
 16183  	}
 16184  	// match: (SRD x (ANDconst [63] y))
 16185  	// cond:
 16186  	// result: (SRD x y)
 16187  	for {
 16188  		x := v.Args[0]
 16189  		v_1 := v.Args[1]
 16190  		if v_1.Op != OpS390XANDconst {
 16191  			break
 16192  		}
 16193  		if v_1.AuxInt != 63 {
 16194  			break
 16195  		}
 16196  		y := v_1.Args[0]
 16197  		v.reset(OpS390XSRD)
 16198  		v.AddArg(x)
 16199  		v.AddArg(y)
 16200  		return true
 16201  	}
 16202  	return false
 16203  }
 16204  func rewriteValueS390X_OpS390XSRW(v *Value, config *Config) bool {
 16205  	b := v.Block
 16206  	_ = b
 16207  	// match: (SRW x (MOVDconst [c]))
 16208  	// cond:
 16209  	// result: (SRWconst [c&63] x)
 16210  	for {
 16211  		x := v.Args[0]
 16212  		v_1 := v.Args[1]
 16213  		if v_1.Op != OpS390XMOVDconst {
 16214  			break
 16215  		}
 16216  		c := v_1.AuxInt
 16217  		v.reset(OpS390XSRWconst)
 16218  		v.AuxInt = c & 63
 16219  		v.AddArg(x)
 16220  		return true
 16221  	}
 16222  	// match: (SRW x (ANDWconst [63] y))
 16223  	// cond:
 16224  	// result: (SRW x y)
 16225  	for {
 16226  		x := v.Args[0]
 16227  		v_1 := v.Args[1]
 16228  		if v_1.Op != OpS390XANDWconst {
 16229  			break
 16230  		}
 16231  		if v_1.AuxInt != 63 {
 16232  			break
 16233  		}
 16234  		y := v_1.Args[0]
 16235  		v.reset(OpS390XSRW)
 16236  		v.AddArg(x)
 16237  		v.AddArg(y)
 16238  		return true
 16239  	}
 16240  	return false
 16241  }
 16242  func rewriteValueS390X_OpS390XSTM2(v *Value, config *Config) bool {
 16243  	b := v.Block
 16244  	_ = b
 16245  	// match: (STM2 [i] {s} p w2 w3 x:(STM2 [i-8] {s} p w0 w1 mem))
 16246  	// cond: x.Uses == 1   && is20Bit(i-8)   && clobber(x)
 16247  	// result: (STM4 [i-8] {s} p w0 w1 w2 w3 mem)
 16248  	for {
 16249  		i := v.AuxInt
 16250  		s := v.Aux
 16251  		p := v.Args[0]
 16252  		w2 := v.Args[1]
 16253  		w3 := v.Args[2]
 16254  		x := v.Args[3]
 16255  		if x.Op != OpS390XSTM2 {
 16256  			break
 16257  		}
 16258  		if x.AuxInt != i-8 {
 16259  			break
 16260  		}
 16261  		if x.Aux != s {
 16262  			break
 16263  		}
 16264  		if p != x.Args[0] {
 16265  			break
 16266  		}
 16267  		w0 := x.Args[1]
 16268  		w1 := x.Args[2]
 16269  		mem := x.Args[3]
 16270  		if !(x.Uses == 1 && is20Bit(i-8) && clobber(x)) {
 16271  			break
 16272  		}
 16273  		v.reset(OpS390XSTM4)
 16274  		v.AuxInt = i - 8
 16275  		v.Aux = s
 16276  		v.AddArg(p)
 16277  		v.AddArg(w0)
 16278  		v.AddArg(w1)
 16279  		v.AddArg(w2)
 16280  		v.AddArg(w3)
 16281  		v.AddArg(mem)
 16282  		return true
 16283  	}
 16284  	// match: (STM2 [i] {s} p (SRDconst [32] x) x mem)
 16285  	// cond:
 16286  	// result: (MOVDstore [i] {s} p x mem)
 16287  	for {
 16288  		i := v.AuxInt
 16289  		s := v.Aux
 16290  		p := v.Args[0]
 16291  		v_1 := v.Args[1]
 16292  		if v_1.Op != OpS390XSRDconst {
 16293  			break
 16294  		}
 16295  		if v_1.AuxInt != 32 {
 16296  			break
 16297  		}
 16298  		x := v_1.Args[0]
 16299  		if x != v.Args[2] {
 16300  			break
 16301  		}
 16302  		mem := v.Args[3]
 16303  		v.reset(OpS390XMOVDstore)
 16304  		v.AuxInt = i
 16305  		v.Aux = s
 16306  		v.AddArg(p)
 16307  		v.AddArg(x)
 16308  		v.AddArg(mem)
 16309  		return true
 16310  	}
 16311  	return false
 16312  }
 16313  func rewriteValueS390X_OpS390XSTMG2(v *Value, config *Config) bool {
 16314  	b := v.Block
 16315  	_ = b
 16316  	// match: (STMG2 [i] {s} p w2 w3 x:(STMG2 [i-16] {s} p w0 w1 mem))
 16317  	// cond: x.Uses == 1   && is20Bit(i-16)   && clobber(x)
 16318  	// result: (STMG4 [i-16] {s} p w0 w1 w2 w3 mem)
 16319  	for {
 16320  		i := v.AuxInt
 16321  		s := v.Aux
 16322  		p := v.Args[0]
 16323  		w2 := v.Args[1]
 16324  		w3 := v.Args[2]
 16325  		x := v.Args[3]
 16326  		if x.Op != OpS390XSTMG2 {
 16327  			break
 16328  		}
 16329  		if x.AuxInt != i-16 {
 16330  			break
 16331  		}
 16332  		if x.Aux != s {
 16333  			break
 16334  		}
 16335  		if p != x.Args[0] {
 16336  			break
 16337  		}
 16338  		w0 := x.Args[1]
 16339  		w1 := x.Args[2]
 16340  		mem := x.Args[3]
 16341  		if !(x.Uses == 1 && is20Bit(i-16) && clobber(x)) {
 16342  			break
 16343  		}
 16344  		v.reset(OpS390XSTMG4)
 16345  		v.AuxInt = i - 16
 16346  		v.Aux = s
 16347  		v.AddArg(p)
 16348  		v.AddArg(w0)
 16349  		v.AddArg(w1)
 16350  		v.AddArg(w2)
 16351  		v.AddArg(w3)
 16352  		v.AddArg(mem)
 16353  		return true
 16354  	}
 16355  	return false
 16356  }
 16357  func rewriteValueS390X_OpS390XSUB(v *Value, config *Config) bool {
 16358  	b := v.Block
 16359  	_ = b
 16360  	// match: (SUB x (MOVDconst [c]))
 16361  	// cond: is32Bit(c)
 16362  	// result: (SUBconst x [c])
 16363  	for {
 16364  		x := v.Args[0]
 16365  		v_1 := v.Args[1]
 16366  		if v_1.Op != OpS390XMOVDconst {
 16367  			break
 16368  		}
 16369  		c := v_1.AuxInt
 16370  		if !(is32Bit(c)) {
 16371  			break
 16372  		}
 16373  		v.reset(OpS390XSUBconst)
 16374  		v.AuxInt = c
 16375  		v.AddArg(x)
 16376  		return true
 16377  	}
 16378  	// match: (SUB (MOVDconst [c]) x)
 16379  	// cond: is32Bit(c)
 16380  	// result: (NEG (SUBconst <v.Type> x [c]))
 16381  	for {
 16382  		v_0 := v.Args[0]
 16383  		if v_0.Op != OpS390XMOVDconst {
 16384  			break
 16385  		}
 16386  		c := v_0.AuxInt
 16387  		x := v.Args[1]
 16388  		if !(is32Bit(c)) {
 16389  			break
 16390  		}
 16391  		v.reset(OpS390XNEG)
 16392  		v0 := b.NewValue0(v.Pos, OpS390XSUBconst, v.Type)
 16393  		v0.AuxInt = c
 16394  		v0.AddArg(x)
 16395  		v.AddArg(v0)
 16396  		return true
 16397  	}
 16398  	// match: (SUB x x)
 16399  	// cond:
 16400  	// result: (MOVDconst [0])
 16401  	for {
 16402  		x := v.Args[0]
 16403  		if x != v.Args[1] {
 16404  			break
 16405  		}
 16406  		v.reset(OpS390XMOVDconst)
 16407  		v.AuxInt = 0
 16408  		return true
 16409  	}
 16410  	// match: (SUB <t> x g:(MOVDload [off] {sym} ptr mem))
 16411  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16412  	// result: (SUBload <t> [off] {sym} x ptr mem)
 16413  	for {
 16414  		t := v.Type
 16415  		x := v.Args[0]
 16416  		g := v.Args[1]
 16417  		if g.Op != OpS390XMOVDload {
 16418  			break
 16419  		}
 16420  		off := g.AuxInt
 16421  		sym := g.Aux
 16422  		ptr := g.Args[0]
 16423  		mem := g.Args[1]
 16424  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16425  			break
 16426  		}
 16427  		v.reset(OpS390XSUBload)
 16428  		v.Type = t
 16429  		v.AuxInt = off
 16430  		v.Aux = sym
 16431  		v.AddArg(x)
 16432  		v.AddArg(ptr)
 16433  		v.AddArg(mem)
 16434  		return true
 16435  	}
 16436  	return false
 16437  }
 16438  func rewriteValueS390X_OpS390XSUBEWcarrymask(v *Value, config *Config) bool {
 16439  	b := v.Block
 16440  	_ = b
 16441  	// match: (SUBEWcarrymask (FlagEQ))
 16442  	// cond:
 16443  	// result: (MOVDconst [-1])
 16444  	for {
 16445  		v_0 := v.Args[0]
 16446  		if v_0.Op != OpS390XFlagEQ {
 16447  			break
 16448  		}
 16449  		v.reset(OpS390XMOVDconst)
 16450  		v.AuxInt = -1
 16451  		return true
 16452  	}
 16453  	// match: (SUBEWcarrymask (FlagLT))
 16454  	// cond:
 16455  	// result: (MOVDconst [-1])
 16456  	for {
 16457  		v_0 := v.Args[0]
 16458  		if v_0.Op != OpS390XFlagLT {
 16459  			break
 16460  		}
 16461  		v.reset(OpS390XMOVDconst)
 16462  		v.AuxInt = -1
 16463  		return true
 16464  	}
 16465  	// match: (SUBEWcarrymask (FlagGT))
 16466  	// cond:
 16467  	// result: (MOVDconst [0])
 16468  	for {
 16469  		v_0 := v.Args[0]
 16470  		if v_0.Op != OpS390XFlagGT {
 16471  			break
 16472  		}
 16473  		v.reset(OpS390XMOVDconst)
 16474  		v.AuxInt = 0
 16475  		return true
 16476  	}
 16477  	return false
 16478  }
 16479  func rewriteValueS390X_OpS390XSUBEcarrymask(v *Value, config *Config) bool {
 16480  	b := v.Block
 16481  	_ = b
 16482  	// match: (SUBEcarrymask (FlagEQ))
 16483  	// cond:
 16484  	// result: (MOVDconst [-1])
 16485  	for {
 16486  		v_0 := v.Args[0]
 16487  		if v_0.Op != OpS390XFlagEQ {
 16488  			break
 16489  		}
 16490  		v.reset(OpS390XMOVDconst)
 16491  		v.AuxInt = -1
 16492  		return true
 16493  	}
 16494  	// match: (SUBEcarrymask (FlagLT))
 16495  	// cond:
 16496  	// result: (MOVDconst [-1])
 16497  	for {
 16498  		v_0 := v.Args[0]
 16499  		if v_0.Op != OpS390XFlagLT {
 16500  			break
 16501  		}
 16502  		v.reset(OpS390XMOVDconst)
 16503  		v.AuxInt = -1
 16504  		return true
 16505  	}
 16506  	// match: (SUBEcarrymask (FlagGT))
 16507  	// cond:
 16508  	// result: (MOVDconst [0])
 16509  	for {
 16510  		v_0 := v.Args[0]
 16511  		if v_0.Op != OpS390XFlagGT {
 16512  			break
 16513  		}
 16514  		v.reset(OpS390XMOVDconst)
 16515  		v.AuxInt = 0
 16516  		return true
 16517  	}
 16518  	return false
 16519  }
 16520  func rewriteValueS390X_OpS390XSUBW(v *Value, config *Config) bool {
 16521  	b := v.Block
 16522  	_ = b
 16523  	// match: (SUBW x (MOVDconst [c]))
 16524  	// cond:
 16525  	// result: (SUBWconst x [c])
 16526  	for {
 16527  		x := v.Args[0]
 16528  		v_1 := v.Args[1]
 16529  		if v_1.Op != OpS390XMOVDconst {
 16530  			break
 16531  		}
 16532  		c := v_1.AuxInt
 16533  		v.reset(OpS390XSUBWconst)
 16534  		v.AuxInt = c
 16535  		v.AddArg(x)
 16536  		return true
 16537  	}
 16538  	// match: (SUBW (MOVDconst [c]) x)
 16539  	// cond:
 16540  	// result: (NEGW (SUBWconst <v.Type> x [c]))
 16541  	for {
 16542  		v_0 := v.Args[0]
 16543  		if v_0.Op != OpS390XMOVDconst {
 16544  			break
 16545  		}
 16546  		c := v_0.AuxInt
 16547  		x := v.Args[1]
 16548  		v.reset(OpS390XNEGW)
 16549  		v0 := b.NewValue0(v.Pos, OpS390XSUBWconst, v.Type)
 16550  		v0.AuxInt = c
 16551  		v0.AddArg(x)
 16552  		v.AddArg(v0)
 16553  		return true
 16554  	}
 16555  	// match: (SUBW x x)
 16556  	// cond:
 16557  	// result: (MOVDconst [0])
 16558  	for {
 16559  		x := v.Args[0]
 16560  		if x != v.Args[1] {
 16561  			break
 16562  		}
 16563  		v.reset(OpS390XMOVDconst)
 16564  		v.AuxInt = 0
 16565  		return true
 16566  	}
 16567  	// match: (SUBW <t> x g:(MOVWload [off] {sym} ptr mem))
 16568  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16569  	// result: (SUBWload <t> [off] {sym} x ptr mem)
 16570  	for {
 16571  		t := v.Type
 16572  		x := v.Args[0]
 16573  		g := v.Args[1]
 16574  		if g.Op != OpS390XMOVWload {
 16575  			break
 16576  		}
 16577  		off := g.AuxInt
 16578  		sym := g.Aux
 16579  		ptr := g.Args[0]
 16580  		mem := g.Args[1]
 16581  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16582  			break
 16583  		}
 16584  		v.reset(OpS390XSUBWload)
 16585  		v.Type = t
 16586  		v.AuxInt = off
 16587  		v.Aux = sym
 16588  		v.AddArg(x)
 16589  		v.AddArg(ptr)
 16590  		v.AddArg(mem)
 16591  		return true
 16592  	}
 16593  	// match: (SUBW <t> x g:(MOVWZload [off] {sym} ptr mem))
 16594  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16595  	// result: (SUBWload <t> [off] {sym} x ptr mem)
 16596  	for {
 16597  		t := v.Type
 16598  		x := v.Args[0]
 16599  		g := v.Args[1]
 16600  		if g.Op != OpS390XMOVWZload {
 16601  			break
 16602  		}
 16603  		off := g.AuxInt
 16604  		sym := g.Aux
 16605  		ptr := g.Args[0]
 16606  		mem := g.Args[1]
 16607  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16608  			break
 16609  		}
 16610  		v.reset(OpS390XSUBWload)
 16611  		v.Type = t
 16612  		v.AuxInt = off
 16613  		v.Aux = sym
 16614  		v.AddArg(x)
 16615  		v.AddArg(ptr)
 16616  		v.AddArg(mem)
 16617  		return true
 16618  	}
 16619  	return false
 16620  }
 16621  func rewriteValueS390X_OpS390XSUBWconst(v *Value, config *Config) bool {
 16622  	b := v.Block
 16623  	_ = b
 16624  	// match: (SUBWconst [c] x)
 16625  	// cond: int32(c) == 0
 16626  	// result: x
 16627  	for {
 16628  		c := v.AuxInt
 16629  		x := v.Args[0]
 16630  		if !(int32(c) == 0) {
 16631  			break
 16632  		}
 16633  		v.reset(OpCopy)
 16634  		v.Type = x.Type
 16635  		v.AddArg(x)
 16636  		return true
 16637  	}
 16638  	// match: (SUBWconst [c] x)
 16639  	// cond:
 16640  	// result: (ADDWconst [int64(int32(-c))] x)
 16641  	for {
 16642  		c := v.AuxInt
 16643  		x := v.Args[0]
 16644  		v.reset(OpS390XADDWconst)
 16645  		v.AuxInt = int64(int32(-c))
 16646  		v.AddArg(x)
 16647  		return true
 16648  	}
 16649  }
 16650  func rewriteValueS390X_OpS390XSUBconst(v *Value, config *Config) bool {
 16651  	b := v.Block
 16652  	_ = b
 16653  	// match: (SUBconst [0] x)
 16654  	// cond:
 16655  	// result: x
 16656  	for {
 16657  		if v.AuxInt != 0 {
 16658  			break
 16659  		}
 16660  		x := v.Args[0]
 16661  		v.reset(OpCopy)
 16662  		v.Type = x.Type
 16663  		v.AddArg(x)
 16664  		return true
 16665  	}
 16666  	// match: (SUBconst [c] x)
 16667  	// cond: c != -(1<<31)
 16668  	// result: (ADDconst [-c] x)
 16669  	for {
 16670  		c := v.AuxInt
 16671  		x := v.Args[0]
 16672  		if !(c != -(1 << 31)) {
 16673  			break
 16674  		}
 16675  		v.reset(OpS390XADDconst)
 16676  		v.AuxInt = -c
 16677  		v.AddArg(x)
 16678  		return true
 16679  	}
 16680  	// match: (SUBconst (MOVDconst [d]) [c])
 16681  	// cond:
 16682  	// result: (MOVDconst [d-c])
 16683  	for {
 16684  		c := v.AuxInt
 16685  		v_0 := v.Args[0]
 16686  		if v_0.Op != OpS390XMOVDconst {
 16687  			break
 16688  		}
 16689  		d := v_0.AuxInt
 16690  		v.reset(OpS390XMOVDconst)
 16691  		v.AuxInt = d - c
 16692  		return true
 16693  	}
 16694  	// match: (SUBconst (SUBconst x [d]) [c])
 16695  	// cond: is32Bit(-c-d)
 16696  	// result: (ADDconst [-c-d] x)
 16697  	for {
 16698  		c := v.AuxInt
 16699  		v_0 := v.Args[0]
 16700  		if v_0.Op != OpS390XSUBconst {
 16701  			break
 16702  		}
 16703  		d := v_0.AuxInt
 16704  		x := v_0.Args[0]
 16705  		if !(is32Bit(-c - d)) {
 16706  			break
 16707  		}
 16708  		v.reset(OpS390XADDconst)
 16709  		v.AuxInt = -c - d
 16710  		v.AddArg(x)
 16711  		return true
 16712  	}
 16713  	return false
 16714  }
 16715  func rewriteValueS390X_OpS390XXOR(v *Value, config *Config) bool {
 16716  	b := v.Block
 16717  	_ = b
 16718  	// match: (XOR x (MOVDconst [c]))
 16719  	// cond: isU32Bit(c)
 16720  	// result: (XORconst [c] x)
 16721  	for {
 16722  		x := v.Args[0]
 16723  		v_1 := v.Args[1]
 16724  		if v_1.Op != OpS390XMOVDconst {
 16725  			break
 16726  		}
 16727  		c := v_1.AuxInt
 16728  		if !(isU32Bit(c)) {
 16729  			break
 16730  		}
 16731  		v.reset(OpS390XXORconst)
 16732  		v.AuxInt = c
 16733  		v.AddArg(x)
 16734  		return true
 16735  	}
 16736  	// match: (XOR (MOVDconst [c]) x)
 16737  	// cond: isU32Bit(c)
 16738  	// result: (XORconst [c] x)
 16739  	for {
 16740  		v_0 := v.Args[0]
 16741  		if v_0.Op != OpS390XMOVDconst {
 16742  			break
 16743  		}
 16744  		c := v_0.AuxInt
 16745  		x := v.Args[1]
 16746  		if !(isU32Bit(c)) {
 16747  			break
 16748  		}
 16749  		v.reset(OpS390XXORconst)
 16750  		v.AuxInt = c
 16751  		v.AddArg(x)
 16752  		return true
 16753  	}
 16754  	// match: (XOR (SLDconst x [c]) (SRDconst x [64-c]))
 16755  	// cond:
 16756  	// result: (RLLGconst [   c] x)
 16757  	for {
 16758  		v_0 := v.Args[0]
 16759  		if v_0.Op != OpS390XSLDconst {
 16760  			break
 16761  		}
 16762  		c := v_0.AuxInt
 16763  		x := v_0.Args[0]
 16764  		v_1 := v.Args[1]
 16765  		if v_1.Op != OpS390XSRDconst {
 16766  			break
 16767  		}
 16768  		if v_1.AuxInt != 64-c {
 16769  			break
 16770  		}
 16771  		if x != v_1.Args[0] {
 16772  			break
 16773  		}
 16774  		v.reset(OpS390XRLLGconst)
 16775  		v.AuxInt = c
 16776  		v.AddArg(x)
 16777  		return true
 16778  	}
 16779  	// match: (XOR (SRDconst x [c]) (SLDconst x [64-c]))
 16780  	// cond:
 16781  	// result: (RLLGconst [64-c] x)
 16782  	for {
 16783  		v_0 := v.Args[0]
 16784  		if v_0.Op != OpS390XSRDconst {
 16785  			break
 16786  		}
 16787  		c := v_0.AuxInt
 16788  		x := v_0.Args[0]
 16789  		v_1 := v.Args[1]
 16790  		if v_1.Op != OpS390XSLDconst {
 16791  			break
 16792  		}
 16793  		if v_1.AuxInt != 64-c {
 16794  			break
 16795  		}
 16796  		if x != v_1.Args[0] {
 16797  			break
 16798  		}
 16799  		v.reset(OpS390XRLLGconst)
 16800  		v.AuxInt = 64 - c
 16801  		v.AddArg(x)
 16802  		return true
 16803  	}
 16804  	// match: (XOR (MOVDconst [c]) (MOVDconst [d]))
 16805  	// cond:
 16806  	// result: (MOVDconst [c^d])
 16807  	for {
 16808  		v_0 := v.Args[0]
 16809  		if v_0.Op != OpS390XMOVDconst {
 16810  			break
 16811  		}
 16812  		c := v_0.AuxInt
 16813  		v_1 := v.Args[1]
 16814  		if v_1.Op != OpS390XMOVDconst {
 16815  			break
 16816  		}
 16817  		d := v_1.AuxInt
 16818  		v.reset(OpS390XMOVDconst)
 16819  		v.AuxInt = c ^ d
 16820  		return true
 16821  	}
 16822  	// match: (XOR x x)
 16823  	// cond:
 16824  	// result: (MOVDconst [0])
 16825  	for {
 16826  		x := v.Args[0]
 16827  		if x != v.Args[1] {
 16828  			break
 16829  		}
 16830  		v.reset(OpS390XMOVDconst)
 16831  		v.AuxInt = 0
 16832  		return true
 16833  	}
 16834  	// match: (XOR <t> x g:(MOVDload [off] {sym} ptr mem))
 16835  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16836  	// result: (XORload <t> [off] {sym} x ptr mem)
 16837  	for {
 16838  		t := v.Type
 16839  		x := v.Args[0]
 16840  		g := v.Args[1]
 16841  		if g.Op != OpS390XMOVDload {
 16842  			break
 16843  		}
 16844  		off := g.AuxInt
 16845  		sym := g.Aux
 16846  		ptr := g.Args[0]
 16847  		mem := g.Args[1]
 16848  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16849  			break
 16850  		}
 16851  		v.reset(OpS390XXORload)
 16852  		v.Type = t
 16853  		v.AuxInt = off
 16854  		v.Aux = sym
 16855  		v.AddArg(x)
 16856  		v.AddArg(ptr)
 16857  		v.AddArg(mem)
 16858  		return true
 16859  	}
 16860  	// match: (XOR <t> g:(MOVDload [off] {sym} ptr mem) x)
 16861  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16862  	// result: (XORload <t> [off] {sym} x ptr mem)
 16863  	for {
 16864  		t := v.Type
 16865  		g := v.Args[0]
 16866  		if g.Op != OpS390XMOVDload {
 16867  			break
 16868  		}
 16869  		off := g.AuxInt
 16870  		sym := g.Aux
 16871  		ptr := g.Args[0]
 16872  		mem := g.Args[1]
 16873  		x := v.Args[1]
 16874  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16875  			break
 16876  		}
 16877  		v.reset(OpS390XXORload)
 16878  		v.Type = t
 16879  		v.AuxInt = off
 16880  		v.Aux = sym
 16881  		v.AddArg(x)
 16882  		v.AddArg(ptr)
 16883  		v.AddArg(mem)
 16884  		return true
 16885  	}
 16886  	return false
 16887  }
 16888  func rewriteValueS390X_OpS390XXORW(v *Value, config *Config) bool {
 16889  	b := v.Block
 16890  	_ = b
 16891  	// match: (XORW x (MOVDconst [c]))
 16892  	// cond:
 16893  	// result: (XORWconst [c] x)
 16894  	for {
 16895  		x := v.Args[0]
 16896  		v_1 := v.Args[1]
 16897  		if v_1.Op != OpS390XMOVDconst {
 16898  			break
 16899  		}
 16900  		c := v_1.AuxInt
 16901  		v.reset(OpS390XXORWconst)
 16902  		v.AuxInt = c
 16903  		v.AddArg(x)
 16904  		return true
 16905  	}
 16906  	// match: (XORW (MOVDconst [c]) x)
 16907  	// cond:
 16908  	// result: (XORWconst [c] x)
 16909  	for {
 16910  		v_0 := v.Args[0]
 16911  		if v_0.Op != OpS390XMOVDconst {
 16912  			break
 16913  		}
 16914  		c := v_0.AuxInt
 16915  		x := v.Args[1]
 16916  		v.reset(OpS390XXORWconst)
 16917  		v.AuxInt = c
 16918  		v.AddArg(x)
 16919  		return true
 16920  	}
 16921  	// match: (XORW (SLWconst x [c]) (SRWconst x [32-c]))
 16922  	// cond:
 16923  	// result: (RLLconst [   c] x)
 16924  	for {
 16925  		v_0 := v.Args[0]
 16926  		if v_0.Op != OpS390XSLWconst {
 16927  			break
 16928  		}
 16929  		c := v_0.AuxInt
 16930  		x := v_0.Args[0]
 16931  		v_1 := v.Args[1]
 16932  		if v_1.Op != OpS390XSRWconst {
 16933  			break
 16934  		}
 16935  		if v_1.AuxInt != 32-c {
 16936  			break
 16937  		}
 16938  		if x != v_1.Args[0] {
 16939  			break
 16940  		}
 16941  		v.reset(OpS390XRLLconst)
 16942  		v.AuxInt = c
 16943  		v.AddArg(x)
 16944  		return true
 16945  	}
 16946  	// match: (XORW (SRWconst x [c]) (SLWconst x [32-c]))
 16947  	// cond:
 16948  	// result: (RLLconst [32-c] x)
 16949  	for {
 16950  		v_0 := v.Args[0]
 16951  		if v_0.Op != OpS390XSRWconst {
 16952  			break
 16953  		}
 16954  		c := v_0.AuxInt
 16955  		x := v_0.Args[0]
 16956  		v_1 := v.Args[1]
 16957  		if v_1.Op != OpS390XSLWconst {
 16958  			break
 16959  		}
 16960  		if v_1.AuxInt != 32-c {
 16961  			break
 16962  		}
 16963  		if x != v_1.Args[0] {
 16964  			break
 16965  		}
 16966  		v.reset(OpS390XRLLconst)
 16967  		v.AuxInt = 32 - c
 16968  		v.AddArg(x)
 16969  		return true
 16970  	}
 16971  	// match: (XORW x x)
 16972  	// cond:
 16973  	// result: (MOVDconst [0])
 16974  	for {
 16975  		x := v.Args[0]
 16976  		if x != v.Args[1] {
 16977  			break
 16978  		}
 16979  		v.reset(OpS390XMOVDconst)
 16980  		v.AuxInt = 0
 16981  		return true
 16982  	}
 16983  	// match: (XORW <t> x g:(MOVWload [off] {sym} ptr mem))
 16984  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16985  	// result: (XORWload <t> [off] {sym} x ptr mem)
 16986  	for {
 16987  		t := v.Type
 16988  		x := v.Args[0]
 16989  		g := v.Args[1]
 16990  		if g.Op != OpS390XMOVWload {
 16991  			break
 16992  		}
 16993  		off := g.AuxInt
 16994  		sym := g.Aux
 16995  		ptr := g.Args[0]
 16996  		mem := g.Args[1]
 16997  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16998  			break
 16999  		}
 17000  		v.reset(OpS390XXORWload)
 17001  		v.Type = t
 17002  		v.AuxInt = off
 17003  		v.Aux = sym
 17004  		v.AddArg(x)
 17005  		v.AddArg(ptr)
 17006  		v.AddArg(mem)
 17007  		return true
 17008  	}
 17009  	// match: (XORW <t> g:(MOVWload [off] {sym} ptr mem) x)
 17010  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 17011  	// result: (XORWload <t> [off] {sym} x ptr mem)
 17012  	for {
 17013  		t := v.Type
 17014  		g := v.Args[0]
 17015  		if g.Op != OpS390XMOVWload {
 17016  			break
 17017  		}
 17018  		off := g.AuxInt
 17019  		sym := g.Aux
 17020  		ptr := g.Args[0]
 17021  		mem := g.Args[1]
 17022  		x := v.Args[1]
 17023  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 17024  			break
 17025  		}
 17026  		v.reset(OpS390XXORWload)
 17027  		v.Type = t
 17028  		v.AuxInt = off
 17029  		v.Aux = sym
 17030  		v.AddArg(x)
 17031  		v.AddArg(ptr)
 17032  		v.AddArg(mem)
 17033  		return true
 17034  	}
 17035  	// match: (XORW <t> x g:(MOVWZload [off] {sym} ptr mem))
 17036  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 17037  	// result: (XORWload <t> [off] {sym} x ptr mem)
 17038  	for {
 17039  		t := v.Type
 17040  		x := v.Args[0]
 17041  		g := v.Args[1]
 17042  		if g.Op != OpS390XMOVWZload {
 17043  			break
 17044  		}
 17045  		off := g.AuxInt
 17046  		sym := g.Aux
 17047  		ptr := g.Args[0]
 17048  		mem := g.Args[1]
 17049  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 17050  			break
 17051  		}
 17052  		v.reset(OpS390XXORWload)
 17053  		v.Type = t
 17054  		v.AuxInt = off
 17055  		v.Aux = sym
 17056  		v.AddArg(x)
 17057  		v.AddArg(ptr)
 17058  		v.AddArg(mem)
 17059  		return true
 17060  	}
 17061  	// match: (XORW <t> g:(MOVWZload [off] {sym} ptr mem) x)
 17062  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 17063  	// result: (XORWload <t> [off] {sym} x ptr mem)
 17064  	for {
 17065  		t := v.Type
 17066  		g := v.Args[0]
 17067  		if g.Op != OpS390XMOVWZload {
 17068  			break
 17069  		}
 17070  		off := g.AuxInt
 17071  		sym := g.Aux
 17072  		ptr := g.Args[0]
 17073  		mem := g.Args[1]
 17074  		x := v.Args[1]
 17075  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 17076  			break
 17077  		}
 17078  		v.reset(OpS390XXORWload)
 17079  		v.Type = t
 17080  		v.AuxInt = off
 17081  		v.Aux = sym
 17082  		v.AddArg(x)
 17083  		v.AddArg(ptr)
 17084  		v.AddArg(mem)
 17085  		return true
 17086  	}
 17087  	return false
 17088  }
 17089  func rewriteValueS390X_OpS390XXORWconst(v *Value, config *Config) bool {
 17090  	b := v.Block
 17091  	_ = b
 17092  	// match: (XORWconst [c] x)
 17093  	// cond: int32(c)==0
 17094  	// result: x
 17095  	for {
 17096  		c := v.AuxInt
 17097  		x := v.Args[0]
 17098  		if !(int32(c) == 0) {
 17099  			break
 17100  		}
 17101  		v.reset(OpCopy)
 17102  		v.Type = x.Type
 17103  		v.AddArg(x)
 17104  		return true
 17105  	}
 17106  	// match: (XORWconst [c] (MOVDconst [d]))
 17107  	// cond:
 17108  	// result: (MOVDconst [c^d])
 17109  	for {
 17110  		c := v.AuxInt
 17111  		v_0 := v.Args[0]
 17112  		if v_0.Op != OpS390XMOVDconst {
 17113  			break
 17114  		}
 17115  		d := v_0.AuxInt
 17116  		v.reset(OpS390XMOVDconst)
 17117  		v.AuxInt = c ^ d
 17118  		return true
 17119  	}
 17120  	return false
 17121  }
 17122  func rewriteValueS390X_OpS390XXORconst(v *Value, config *Config) bool {
 17123  	b := v.Block
 17124  	_ = b
 17125  	// match: (XORconst [0] x)
 17126  	// cond:
 17127  	// result: x
 17128  	for {
 17129  		if v.AuxInt != 0 {
 17130  			break
 17131  		}
 17132  		x := v.Args[0]
 17133  		v.reset(OpCopy)
 17134  		v.Type = x.Type
 17135  		v.AddArg(x)
 17136  		return true
 17137  	}
 17138  	// match: (XORconst [c] (MOVDconst [d]))
 17139  	// cond:
 17140  	// result: (MOVDconst [c^d])
 17141  	for {
 17142  		c := v.AuxInt
 17143  		v_0 := v.Args[0]
 17144  		if v_0.Op != OpS390XMOVDconst {
 17145  			break
 17146  		}
 17147  		d := v_0.AuxInt
 17148  		v.reset(OpS390XMOVDconst)
 17149  		v.AuxInt = c ^ d
 17150  		return true
 17151  	}
 17152  	return false
 17153  }
 17154  func rewriteValueS390X_OpSelect0(v *Value, config *Config) bool {
 17155  	b := v.Block
 17156  	_ = b
 17157  	// match: (Select0 <t> (AddTupleFirst32 tuple val))
 17158  	// cond:
 17159  	// result: (ADDW val (Select0 <t> tuple))
 17160  	for {
 17161  		t := v.Type
 17162  		v_0 := v.Args[0]
 17163  		if v_0.Op != OpS390XAddTupleFirst32 {
 17164  			break
 17165  		}
 17166  		tuple := v_0.Args[0]
 17167  		val := v_0.Args[1]
 17168  		v.reset(OpS390XADDW)
 17169  		v.AddArg(val)
 17170  		v0 := b.NewValue0(v.Pos, OpSelect0, t)
 17171  		v0.AddArg(tuple)
 17172  		v.AddArg(v0)
 17173  		return true
 17174  	}
 17175  	// match: (Select0 <t> (AddTupleFirst64 tuple val))
 17176  	// cond:
 17177  	// result: (ADD val (Select0 <t> tuple))
 17178  	for {
 17179  		t := v.Type
 17180  		v_0 := v.Args[0]
 17181  		if v_0.Op != OpS390XAddTupleFirst64 {
 17182  			break
 17183  		}
 17184  		tuple := v_0.Args[0]
 17185  		val := v_0.Args[1]
 17186  		v.reset(OpS390XADD)
 17187  		v.AddArg(val)
 17188  		v0 := b.NewValue0(v.Pos, OpSelect0, t)
 17189  		v0.AddArg(tuple)
 17190  		v.AddArg(v0)
 17191  		return true
 17192  	}
 17193  	return false
 17194  }
 17195  func rewriteValueS390X_OpSelect1(v *Value, config *Config) bool {
 17196  	b := v.Block
 17197  	_ = b
 17198  	// match: (Select1     (AddTupleFirst32 tuple _  ))
 17199  	// cond:
 17200  	// result: (Select1 tuple)
 17201  	for {
 17202  		v_0 := v.Args[0]
 17203  		if v_0.Op != OpS390XAddTupleFirst32 {
 17204  			break
 17205  		}
 17206  		tuple := v_0.Args[0]
 17207  		v.reset(OpSelect1)
 17208  		v.AddArg(tuple)
 17209  		return true
 17210  	}
 17211  	// match: (Select1     (AddTupleFirst64 tuple _  ))
 17212  	// cond:
 17213  	// result: (Select1 tuple)
 17214  	for {
 17215  		v_0 := v.Args[0]
 17216  		if v_0.Op != OpS390XAddTupleFirst64 {
 17217  			break
 17218  		}
 17219  		tuple := v_0.Args[0]
 17220  		v.reset(OpSelect1)
 17221  		v.AddArg(tuple)
 17222  		return true
 17223  	}
 17224  	return false
 17225  }
 17226  func rewriteValueS390X_OpSignExt16to32(v *Value, config *Config) bool {
 17227  	b := v.Block
 17228  	_ = b
 17229  	// match: (SignExt16to32 x)
 17230  	// cond:
 17231  	// result: (MOVHreg x)
 17232  	for {
 17233  		x := v.Args[0]
 17234  		v.reset(OpS390XMOVHreg)
 17235  		v.AddArg(x)
 17236  		return true
 17237  	}
 17238  }
 17239  func rewriteValueS390X_OpSignExt16to64(v *Value, config *Config) bool {
 17240  	b := v.Block
 17241  	_ = b
 17242  	// match: (SignExt16to64 x)
 17243  	// cond:
 17244  	// result: (MOVHreg x)
 17245  	for {
 17246  		x := v.Args[0]
 17247  		v.reset(OpS390XMOVHreg)
 17248  		v.AddArg(x)
 17249  		return true
 17250  	}
 17251  }
 17252  func rewriteValueS390X_OpSignExt32to64(v *Value, config *Config) bool {
 17253  	b := v.Block
 17254  	_ = b
 17255  	// match: (SignExt32to64 x)
 17256  	// cond:
 17257  	// result: (MOVWreg x)
 17258  	for {
 17259  		x := v.Args[0]
 17260  		v.reset(OpS390XMOVWreg)
 17261  		v.AddArg(x)
 17262  		return true
 17263  	}
 17264  }
 17265  func rewriteValueS390X_OpSignExt8to16(v *Value, config *Config) bool {
 17266  	b := v.Block
 17267  	_ = b
 17268  	// match: (SignExt8to16  x)
 17269  	// cond:
 17270  	// result: (MOVBreg x)
 17271  	for {
 17272  		x := v.Args[0]
 17273  		v.reset(OpS390XMOVBreg)
 17274  		v.AddArg(x)
 17275  		return true
 17276  	}
 17277  }
 17278  func rewriteValueS390X_OpSignExt8to32(v *Value, config *Config) bool {
 17279  	b := v.Block
 17280  	_ = b
 17281  	// match: (SignExt8to32  x)
 17282  	// cond:
 17283  	// result: (MOVBreg x)
 17284  	for {
 17285  		x := v.Args[0]
 17286  		v.reset(OpS390XMOVBreg)
 17287  		v.AddArg(x)
 17288  		return true
 17289  	}
 17290  }
 17291  func rewriteValueS390X_OpSignExt8to64(v *Value, config *Config) bool {
 17292  	b := v.Block
 17293  	_ = b
 17294  	// match: (SignExt8to64  x)
 17295  	// cond:
 17296  	// result: (MOVBreg x)
 17297  	for {
 17298  		x := v.Args[0]
 17299  		v.reset(OpS390XMOVBreg)
 17300  		v.AddArg(x)
 17301  		return true
 17302  	}
 17303  }
 17304  func rewriteValueS390X_OpSlicemask(v *Value, config *Config) bool {
 17305  	b := v.Block
 17306  	_ = b
 17307  	// match: (Slicemask <t> x)
 17308  	// cond:
 17309  	// result: (SRADconst (NEG <t> x) [63])
 17310  	for {
 17311  		t := v.Type
 17312  		x := v.Args[0]
 17313  		v.reset(OpS390XSRADconst)
 17314  		v.AuxInt = 63
 17315  		v0 := b.NewValue0(v.Pos, OpS390XNEG, t)
 17316  		v0.AddArg(x)
 17317  		v.AddArg(v0)
 17318  		return true
 17319  	}
 17320  }
 17321  func rewriteValueS390X_OpSqrt(v *Value, config *Config) bool {
 17322  	b := v.Block
 17323  	_ = b
 17324  	// match: (Sqrt x)
 17325  	// cond:
 17326  	// result: (FSQRT x)
 17327  	for {
 17328  		x := v.Args[0]
 17329  		v.reset(OpS390XFSQRT)
 17330  		v.AddArg(x)
 17331  		return true
 17332  	}
 17333  }
 17334  func rewriteValueS390X_OpStaticCall(v *Value, config *Config) bool {
 17335  	b := v.Block
 17336  	_ = b
 17337  	// match: (StaticCall [argwid] {target} mem)
 17338  	// cond:
 17339  	// result: (CALLstatic [argwid] {target} mem)
 17340  	for {
 17341  		argwid := v.AuxInt
 17342  		target := v.Aux
 17343  		mem := v.Args[0]
 17344  		v.reset(OpS390XCALLstatic)
 17345  		v.AuxInt = argwid
 17346  		v.Aux = target
 17347  		v.AddArg(mem)
 17348  		return true
 17349  	}
 17350  }
 17351  func rewriteValueS390X_OpStore(v *Value, config *Config) bool {
 17352  	b := v.Block
 17353  	_ = b
 17354  	// match: (Store [8] ptr val mem)
 17355  	// cond: is64BitFloat(val.Type)
 17356  	// result: (FMOVDstore ptr val mem)
 17357  	for {
 17358  		if v.AuxInt != 8 {
 17359  			break
 17360  		}
 17361  		ptr := v.Args[0]
 17362  		val := v.Args[1]
 17363  		mem := v.Args[2]
 17364  		if !(is64BitFloat(val.Type)) {
 17365  			break
 17366  		}
 17367  		v.reset(OpS390XFMOVDstore)
 17368  		v.AddArg(ptr)
 17369  		v.AddArg(val)
 17370  		v.AddArg(mem)
 17371  		return true
 17372  	}
 17373  	// match: (Store [4] ptr val mem)
 17374  	// cond: is32BitFloat(val.Type)
 17375  	// result: (FMOVSstore ptr val mem)
 17376  	for {
 17377  		if v.AuxInt != 4 {
 17378  			break
 17379  		}
 17380  		ptr := v.Args[0]
 17381  		val := v.Args[1]
 17382  		mem := v.Args[2]
 17383  		if !(is32BitFloat(val.Type)) {
 17384  			break
 17385  		}
 17386  		v.reset(OpS390XFMOVSstore)
 17387  		v.AddArg(ptr)
 17388  		v.AddArg(val)
 17389  		v.AddArg(mem)
 17390  		return true
 17391  	}
 17392  	// match: (Store [8] ptr val mem)
 17393  	// cond:
 17394  	// result: (MOVDstore ptr val mem)
 17395  	for {
 17396  		if v.AuxInt != 8 {
 17397  			break
 17398  		}
 17399  		ptr := v.Args[0]
 17400  		val := v.Args[1]
 17401  		mem := v.Args[2]
 17402  		v.reset(OpS390XMOVDstore)
 17403  		v.AddArg(ptr)
 17404  		v.AddArg(val)
 17405  		v.AddArg(mem)
 17406  		return true
 17407  	}
 17408  	// match: (Store [4] ptr val mem)
 17409  	// cond:
 17410  	// result: (MOVWstore ptr val mem)
 17411  	for {
 17412  		if v.AuxInt != 4 {
 17413  			break
 17414  		}
 17415  		ptr := v.Args[0]
 17416  		val := v.Args[1]
 17417  		mem := v.Args[2]
 17418  		v.reset(OpS390XMOVWstore)
 17419  		v.AddArg(ptr)
 17420  		v.AddArg(val)
 17421  		v.AddArg(mem)
 17422  		return true
 17423  	}
 17424  	// match: (Store [2] ptr val mem)
 17425  	// cond:
 17426  	// result: (MOVHstore ptr val mem)
 17427  	for {
 17428  		if v.AuxInt != 2 {
 17429  			break
 17430  		}
 17431  		ptr := v.Args[0]
 17432  		val := v.Args[1]
 17433  		mem := v.Args[2]
 17434  		v.reset(OpS390XMOVHstore)
 17435  		v.AddArg(ptr)
 17436  		v.AddArg(val)
 17437  		v.AddArg(mem)
 17438  		return true
 17439  	}
 17440  	// match: (Store [1] ptr val mem)
 17441  	// cond:
 17442  	// result: (MOVBstore ptr val mem)
 17443  	for {
 17444  		if v.AuxInt != 1 {
 17445  			break
 17446  		}
 17447  		ptr := v.Args[0]
 17448  		val := v.Args[1]
 17449  		mem := v.Args[2]
 17450  		v.reset(OpS390XMOVBstore)
 17451  		v.AddArg(ptr)
 17452  		v.AddArg(val)
 17453  		v.AddArg(mem)
 17454  		return true
 17455  	}
 17456  	return false
 17457  }
 17458  func rewriteValueS390X_OpSub16(v *Value, config *Config) bool {
 17459  	b := v.Block
 17460  	_ = b
 17461  	// match: (Sub16  x y)
 17462  	// cond:
 17463  	// result: (SUBW  x y)
 17464  	for {
 17465  		x := v.Args[0]
 17466  		y := v.Args[1]
 17467  		v.reset(OpS390XSUBW)
 17468  		v.AddArg(x)
 17469  		v.AddArg(y)
 17470  		return true
 17471  	}
 17472  }
 17473  func rewriteValueS390X_OpSub32(v *Value, config *Config) bool {
 17474  	b := v.Block
 17475  	_ = b
 17476  	// match: (Sub32  x y)
 17477  	// cond:
 17478  	// result: (SUBW  x y)
 17479  	for {
 17480  		x := v.Args[0]
 17481  		y := v.Args[1]
 17482  		v.reset(OpS390XSUBW)
 17483  		v.AddArg(x)
 17484  		v.AddArg(y)
 17485  		return true
 17486  	}
 17487  }
 17488  func rewriteValueS390X_OpSub32F(v *Value, config *Config) bool {
 17489  	b := v.Block
 17490  	_ = b
 17491  	// match: (Sub32F x y)
 17492  	// cond:
 17493  	// result: (FSUBS x y)
 17494  	for {
 17495  		x := v.Args[0]
 17496  		y := v.Args[1]
 17497  		v.reset(OpS390XFSUBS)
 17498  		v.AddArg(x)
 17499  		v.AddArg(y)
 17500  		return true
 17501  	}
 17502  }
 17503  func rewriteValueS390X_OpSub64(v *Value, config *Config) bool {
 17504  	b := v.Block
 17505  	_ = b
 17506  	// match: (Sub64  x y)
 17507  	// cond:
 17508  	// result: (SUB  x y)
 17509  	for {
 17510  		x := v.Args[0]
 17511  		y := v.Args[1]
 17512  		v.reset(OpS390XSUB)
 17513  		v.AddArg(x)
 17514  		v.AddArg(y)
 17515  		return true
 17516  	}
 17517  }
 17518  func rewriteValueS390X_OpSub64F(v *Value, config *Config) bool {
 17519  	b := v.Block
 17520  	_ = b
 17521  	// match: (Sub64F x y)
 17522  	// cond:
 17523  	// result: (FSUB x y)
 17524  	for {
 17525  		x := v.Args[0]
 17526  		y := v.Args[1]
 17527  		v.reset(OpS390XFSUB)
 17528  		v.AddArg(x)
 17529  		v.AddArg(y)
 17530  		return true
 17531  	}
 17532  }
 17533  func rewriteValueS390X_OpSub8(v *Value, config *Config) bool {
 17534  	b := v.Block
 17535  	_ = b
 17536  	// match: (Sub8   x y)
 17537  	// cond:
 17538  	// result: (SUBW  x y)
 17539  	for {
 17540  		x := v.Args[0]
 17541  		y := v.Args[1]
 17542  		v.reset(OpS390XSUBW)
 17543  		v.AddArg(x)
 17544  		v.AddArg(y)
 17545  		return true
 17546  	}
 17547  }
 17548  func rewriteValueS390X_OpSubPtr(v *Value, config *Config) bool {
 17549  	b := v.Block
 17550  	_ = b
 17551  	// match: (SubPtr x y)
 17552  	// cond:
 17553  	// result: (SUB  x y)
 17554  	for {
 17555  		x := v.Args[0]
 17556  		y := v.Args[1]
 17557  		v.reset(OpS390XSUB)
 17558  		v.AddArg(x)
 17559  		v.AddArg(y)
 17560  		return true
 17561  	}
 17562  }
 17563  func rewriteValueS390X_OpTrunc16to8(v *Value, config *Config) bool {
 17564  	b := v.Block
 17565  	_ = b
 17566  	// match: (Trunc16to8  x)
 17567  	// cond:
 17568  	// result: x
 17569  	for {
 17570  		x := v.Args[0]
 17571  		v.reset(OpCopy)
 17572  		v.Type = x.Type
 17573  		v.AddArg(x)
 17574  		return true
 17575  	}
 17576  }
 17577  func rewriteValueS390X_OpTrunc32to16(v *Value, config *Config) bool {
 17578  	b := v.Block
 17579  	_ = b
 17580  	// match: (Trunc32to16 x)
 17581  	// cond:
 17582  	// result: x
 17583  	for {
 17584  		x := v.Args[0]
 17585  		v.reset(OpCopy)
 17586  		v.Type = x.Type
 17587  		v.AddArg(x)
 17588  		return true
 17589  	}
 17590  }
 17591  func rewriteValueS390X_OpTrunc32to8(v *Value, config *Config) bool {
 17592  	b := v.Block
 17593  	_ = b
 17594  	// match: (Trunc32to8  x)
 17595  	// cond:
 17596  	// result: x
 17597  	for {
 17598  		x := v.Args[0]
 17599  		v.reset(OpCopy)
 17600  		v.Type = x.Type
 17601  		v.AddArg(x)
 17602  		return true
 17603  	}
 17604  }
 17605  func rewriteValueS390X_OpTrunc64to16(v *Value, config *Config) bool {
 17606  	b := v.Block
 17607  	_ = b
 17608  	// match: (Trunc64to16 x)
 17609  	// cond:
 17610  	// result: x
 17611  	for {
 17612  		x := v.Args[0]
 17613  		v.reset(OpCopy)
 17614  		v.Type = x.Type
 17615  		v.AddArg(x)
 17616  		return true
 17617  	}
 17618  }
 17619  func rewriteValueS390X_OpTrunc64to32(v *Value, config *Config) bool {
 17620  	b := v.Block
 17621  	_ = b
 17622  	// match: (Trunc64to32 x)
 17623  	// cond:
 17624  	// result: x
 17625  	for {
 17626  		x := v.Args[0]
 17627  		v.reset(OpCopy)
 17628  		v.Type = x.Type
 17629  		v.AddArg(x)
 17630  		return true
 17631  	}
 17632  }
 17633  func rewriteValueS390X_OpTrunc64to8(v *Value, config *Config) bool {
 17634  	b := v.Block
 17635  	_ = b
 17636  	// match: (Trunc64to8  x)
 17637  	// cond:
 17638  	// result: x
 17639  	for {
 17640  		x := v.Args[0]
 17641  		v.reset(OpCopy)
 17642  		v.Type = x.Type
 17643  		v.AddArg(x)
 17644  		return true
 17645  	}
 17646  }
 17647  func rewriteValueS390X_OpXor16(v *Value, config *Config) bool {
 17648  	b := v.Block
 17649  	_ = b
 17650  	// match: (Xor16 x y)
 17651  	// cond:
 17652  	// result: (XORW x y)
 17653  	for {
 17654  		x := v.Args[0]
 17655  		y := v.Args[1]
 17656  		v.reset(OpS390XXORW)
 17657  		v.AddArg(x)
 17658  		v.AddArg(y)
 17659  		return true
 17660  	}
 17661  }
 17662  func rewriteValueS390X_OpXor32(v *Value, config *Config) bool {
 17663  	b := v.Block
 17664  	_ = b
 17665  	// match: (Xor32 x y)
 17666  	// cond:
 17667  	// result: (XORW x y)
 17668  	for {
 17669  		x := v.Args[0]
 17670  		y := v.Args[1]
 17671  		v.reset(OpS390XXORW)
 17672  		v.AddArg(x)
 17673  		v.AddArg(y)
 17674  		return true
 17675  	}
 17676  }
 17677  func rewriteValueS390X_OpXor64(v *Value, config *Config) bool {
 17678  	b := v.Block
 17679  	_ = b
 17680  	// match: (Xor64 x y)
 17681  	// cond:
 17682  	// result: (XOR x y)
 17683  	for {
 17684  		x := v.Args[0]
 17685  		y := v.Args[1]
 17686  		v.reset(OpS390XXOR)
 17687  		v.AddArg(x)
 17688  		v.AddArg(y)
 17689  		return true
 17690  	}
 17691  }
 17692  func rewriteValueS390X_OpXor8(v *Value, config *Config) bool {
 17693  	b := v.Block
 17694  	_ = b
 17695  	// match: (Xor8  x y)
 17696  	// cond:
 17697  	// result: (XORW x y)
 17698  	for {
 17699  		x := v.Args[0]
 17700  		y := v.Args[1]
 17701  		v.reset(OpS390XXORW)
 17702  		v.AddArg(x)
 17703  		v.AddArg(y)
 17704  		return true
 17705  	}
 17706  }
 17707  func rewriteValueS390X_OpZero(v *Value, config *Config) bool {
 17708  	b := v.Block
 17709  	_ = b
 17710  	// match: (Zero [s] _ mem)
 17711  	// cond: SizeAndAlign(s).Size() == 0
 17712  	// result: mem
 17713  	for {
 17714  		s := v.AuxInt
 17715  		mem := v.Args[1]
 17716  		if !(SizeAndAlign(s).Size() == 0) {
 17717  			break
 17718  		}
 17719  		v.reset(OpCopy)
 17720  		v.Type = mem.Type
 17721  		v.AddArg(mem)
 17722  		return true
 17723  	}
 17724  	// match: (Zero [s] destptr mem)
 17725  	// cond: SizeAndAlign(s).Size() == 1
 17726  	// result: (MOVBstoreconst [0] destptr mem)
 17727  	for {
 17728  		s := v.AuxInt
 17729  		destptr := v.Args[0]
 17730  		mem := v.Args[1]
 17731  		if !(SizeAndAlign(s).Size() == 1) {
 17732  			break
 17733  		}
 17734  		v.reset(OpS390XMOVBstoreconst)
 17735  		v.AuxInt = 0
 17736  		v.AddArg(destptr)
 17737  		v.AddArg(mem)
 17738  		return true
 17739  	}
 17740  	// match: (Zero [s] destptr mem)
 17741  	// cond: SizeAndAlign(s).Size() == 2
 17742  	// result: (MOVHstoreconst [0] destptr mem)
 17743  	for {
 17744  		s := v.AuxInt
 17745  		destptr := v.Args[0]
 17746  		mem := v.Args[1]
 17747  		if !(SizeAndAlign(s).Size() == 2) {
 17748  			break
 17749  		}
 17750  		v.reset(OpS390XMOVHstoreconst)
 17751  		v.AuxInt = 0
 17752  		v.AddArg(destptr)
 17753  		v.AddArg(mem)
 17754  		return true
 17755  	}
 17756  	// match: (Zero [s] destptr mem)
 17757  	// cond: SizeAndAlign(s).Size() == 4
 17758  	// result: (MOVWstoreconst [0] destptr mem)
 17759  	for {
 17760  		s := v.AuxInt
 17761  		destptr := v.Args[0]
 17762  		mem := v.Args[1]
 17763  		if !(SizeAndAlign(s).Size() == 4) {
 17764  			break
 17765  		}
 17766  		v.reset(OpS390XMOVWstoreconst)
 17767  		v.AuxInt = 0
 17768  		v.AddArg(destptr)
 17769  		v.AddArg(mem)
 17770  		return true
 17771  	}
 17772  	// match: (Zero [s] destptr mem)
 17773  	// cond: SizeAndAlign(s).Size() == 8
 17774  	// result: (MOVDstoreconst [0] destptr mem)
 17775  	for {
 17776  		s := v.AuxInt
 17777  		destptr := v.Args[0]
 17778  		mem := v.Args[1]
 17779  		if !(SizeAndAlign(s).Size() == 8) {
 17780  			break
 17781  		}
 17782  		v.reset(OpS390XMOVDstoreconst)
 17783  		v.AuxInt = 0
 17784  		v.AddArg(destptr)
 17785  		v.AddArg(mem)
 17786  		return true
 17787  	}
 17788  	// match: (Zero [s] destptr mem)
 17789  	// cond: SizeAndAlign(s).Size() == 3
 17790  	// result: (MOVBstoreconst [makeValAndOff(0,2)] destptr 		(MOVHstoreconst [0] destptr mem))
 17791  	for {
 17792  		s := v.AuxInt
 17793  		destptr := v.Args[0]
 17794  		mem := v.Args[1]
 17795  		if !(SizeAndAlign(s).Size() == 3) {
 17796  			break
 17797  		}
 17798  		v.reset(OpS390XMOVBstoreconst)
 17799  		v.AuxInt = makeValAndOff(0, 2)
 17800  		v.AddArg(destptr)
 17801  		v0 := b.NewValue0(v.Pos, OpS390XMOVHstoreconst, TypeMem)
 17802  		v0.AuxInt = 0
 17803  		v0.AddArg(destptr)
 17804  		v0.AddArg(mem)
 17805  		v.AddArg(v0)
 17806  		return true
 17807  	}
 17808  	// match: (Zero [s] destptr mem)
 17809  	// cond: SizeAndAlign(s).Size() == 5
 17810  	// result: (MOVBstoreconst [makeValAndOff(0,4)] destptr 		(MOVWstoreconst [0] destptr mem))
 17811  	for {
 17812  		s := v.AuxInt
 17813  		destptr := v.Args[0]
 17814  		mem := v.Args[1]
 17815  		if !(SizeAndAlign(s).Size() == 5) {
 17816  			break
 17817  		}
 17818  		v.reset(OpS390XMOVBstoreconst)
 17819  		v.AuxInt = makeValAndOff(0, 4)
 17820  		v.AddArg(destptr)
 17821  		v0 := b.NewValue0(v.Pos, OpS390XMOVWstoreconst, TypeMem)
 17822  		v0.AuxInt = 0
 17823  		v0.AddArg(destptr)
 17824  		v0.AddArg(mem)
 17825  		v.AddArg(v0)
 17826  		return true
 17827  	}
 17828  	// match: (Zero [s] destptr mem)
 17829  	// cond: SizeAndAlign(s).Size() == 6
 17830  	// result: (MOVHstoreconst [makeValAndOff(0,4)] destptr 		(MOVWstoreconst [0] destptr mem))
 17831  	for {
 17832  		s := v.AuxInt
 17833  		destptr := v.Args[0]
 17834  		mem := v.Args[1]
 17835  		if !(SizeAndAlign(s).Size() == 6) {
 17836  			break
 17837  		}
 17838  		v.reset(OpS390XMOVHstoreconst)
 17839  		v.AuxInt = makeValAndOff(0, 4)
 17840  		v.AddArg(destptr)
 17841  		v0 := b.NewValue0(v.Pos, OpS390XMOVWstoreconst, TypeMem)
 17842  		v0.AuxInt = 0
 17843  		v0.AddArg(destptr)
 17844  		v0.AddArg(mem)
 17845  		v.AddArg(v0)
 17846  		return true
 17847  	}
 17848  	// match: (Zero [s] destptr mem)
 17849  	// cond: SizeAndAlign(s).Size() == 7
 17850  	// result: (MOVWstoreconst [makeValAndOff(0,3)] destptr 		(MOVWstoreconst [0] destptr mem))
 17851  	for {
 17852  		s := v.AuxInt
 17853  		destptr := v.Args[0]
 17854  		mem := v.Args[1]
 17855  		if !(SizeAndAlign(s).Size() == 7) {
 17856  			break
 17857  		}
 17858  		v.reset(OpS390XMOVWstoreconst)
 17859  		v.AuxInt = makeValAndOff(0, 3)
 17860  		v.AddArg(destptr)
 17861  		v0 := b.NewValue0(v.Pos, OpS390XMOVWstoreconst, TypeMem)
 17862  		v0.AuxInt = 0
 17863  		v0.AddArg(destptr)
 17864  		v0.AddArg(mem)
 17865  		v.AddArg(v0)
 17866  		return true
 17867  	}
 17868  	// match: (Zero [s] destptr mem)
 17869  	// cond: SizeAndAlign(s).Size() > 0 && SizeAndAlign(s).Size() <= 1024
 17870  	// result: (CLEAR [makeValAndOff(SizeAndAlign(s).Size(), 0)] destptr mem)
 17871  	for {
 17872  		s := v.AuxInt
 17873  		destptr := v.Args[0]
 17874  		mem := v.Args[1]
 17875  		if !(SizeAndAlign(s).Size() > 0 && SizeAndAlign(s).Size() <= 1024) {
 17876  			break
 17877  		}
 17878  		v.reset(OpS390XCLEAR)
 17879  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size(), 0)
 17880  		v.AddArg(destptr)
 17881  		v.AddArg(mem)
 17882  		return true
 17883  	}
 17884  	// match: (Zero [s] destptr mem)
 17885  	// cond: SizeAndAlign(s).Size() > 1024
 17886  	// result: (LoweredZero [SizeAndAlign(s).Size()%256] destptr (ADDconst <destptr.Type> destptr [(SizeAndAlign(s).Size()/256)*256]) mem)
 17887  	for {
 17888  		s := v.AuxInt
 17889  		destptr := v.Args[0]
 17890  		mem := v.Args[1]
 17891  		if !(SizeAndAlign(s).Size() > 1024) {
 17892  			break
 17893  		}
 17894  		v.reset(OpS390XLoweredZero)
 17895  		v.AuxInt = SizeAndAlign(s).Size() % 256
 17896  		v.AddArg(destptr)
 17897  		v0 := b.NewValue0(v.Pos, OpS390XADDconst, destptr.Type)
 17898  		v0.AuxInt = (SizeAndAlign(s).Size() / 256) * 256
 17899  		v0.AddArg(destptr)
 17900  		v.AddArg(v0)
 17901  		v.AddArg(mem)
 17902  		return true
 17903  	}
 17904  	return false
 17905  }
 17906  func rewriteValueS390X_OpZeroExt16to32(v *Value, config *Config) bool {
 17907  	b := v.Block
 17908  	_ = b
 17909  	// match: (ZeroExt16to32 x)
 17910  	// cond:
 17911  	// result: (MOVHZreg x)
 17912  	for {
 17913  		x := v.Args[0]
 17914  		v.reset(OpS390XMOVHZreg)
 17915  		v.AddArg(x)
 17916  		return true
 17917  	}
 17918  }
 17919  func rewriteValueS390X_OpZeroExt16to64(v *Value, config *Config) bool {
 17920  	b := v.Block
 17921  	_ = b
 17922  	// match: (ZeroExt16to64 x)
 17923  	// cond:
 17924  	// result: (MOVHZreg x)
 17925  	for {
 17926  		x := v.Args[0]
 17927  		v.reset(OpS390XMOVHZreg)
 17928  		v.AddArg(x)
 17929  		return true
 17930  	}
 17931  }
 17932  func rewriteValueS390X_OpZeroExt32to64(v *Value, config *Config) bool {
 17933  	b := v.Block
 17934  	_ = b
 17935  	// match: (ZeroExt32to64 x)
 17936  	// cond:
 17937  	// result: (MOVWZreg x)
 17938  	for {
 17939  		x := v.Args[0]
 17940  		v.reset(OpS390XMOVWZreg)
 17941  		v.AddArg(x)
 17942  		return true
 17943  	}
 17944  }
 17945  func rewriteValueS390X_OpZeroExt8to16(v *Value, config *Config) bool {
 17946  	b := v.Block
 17947  	_ = b
 17948  	// match: (ZeroExt8to16  x)
 17949  	// cond:
 17950  	// result: (MOVBZreg x)
 17951  	for {
 17952  		x := v.Args[0]
 17953  		v.reset(OpS390XMOVBZreg)
 17954  		v.AddArg(x)
 17955  		return true
 17956  	}
 17957  }
 17958  func rewriteValueS390X_OpZeroExt8to32(v *Value, config *Config) bool {
 17959  	b := v.Block
 17960  	_ = b
 17961  	// match: (ZeroExt8to32  x)
 17962  	// cond:
 17963  	// result: (MOVBZreg x)
 17964  	for {
 17965  		x := v.Args[0]
 17966  		v.reset(OpS390XMOVBZreg)
 17967  		v.AddArg(x)
 17968  		return true
 17969  	}
 17970  }
 17971  func rewriteValueS390X_OpZeroExt8to64(v *Value, config *Config) bool {
 17972  	b := v.Block
 17973  	_ = b
 17974  	// match: (ZeroExt8to64  x)
 17975  	// cond:
 17976  	// result: (MOVBZreg x)
 17977  	for {
 17978  		x := v.Args[0]
 17979  		v.reset(OpS390XMOVBZreg)
 17980  		v.AddArg(x)
 17981  		return true
 17982  	}
 17983  }
 17984  func rewriteBlockS390X(b *Block, config *Config) bool {
 17985  	switch b.Kind {
 17986  	case BlockS390XEQ:
 17987  		// match: (EQ (InvertFlags cmp) yes no)
 17988  		// cond:
 17989  		// result: (EQ cmp yes no)
 17990  		for {
 17991  			v := b.Control
 17992  			if v.Op != OpS390XInvertFlags {
 17993  				break
 17994  			}
 17995  			cmp := v.Args[0]
 17996  			yes := b.Succs[0]
 17997  			no := b.Succs[1]
 17998  			b.Kind = BlockS390XEQ
 17999  			b.SetControl(cmp)
 18000  			_ = yes
 18001  			_ = no
 18002  			return true
 18003  		}
 18004  		// match: (EQ (FlagEQ) yes no)
 18005  		// cond:
 18006  		// result: (First nil yes no)
 18007  		for {
 18008  			v := b.Control
 18009  			if v.Op != OpS390XFlagEQ {
 18010  				break
 18011  			}
 18012  			yes := b.Succs[0]
 18013  			no := b.Succs[1]
 18014  			b.Kind = BlockFirst
 18015  			b.SetControl(nil)
 18016  			_ = yes
 18017  			_ = no
 18018  			return true
 18019  		}
 18020  		// match: (EQ (FlagLT) yes no)
 18021  		// cond:
 18022  		// result: (First nil no yes)
 18023  		for {
 18024  			v := b.Control
 18025  			if v.Op != OpS390XFlagLT {
 18026  				break
 18027  			}
 18028  			yes := b.Succs[0]
 18029  			no := b.Succs[1]
 18030  			b.Kind = BlockFirst
 18031  			b.SetControl(nil)
 18032  			b.swapSuccessors()
 18033  			_ = no
 18034  			_ = yes
 18035  			return true
 18036  		}
 18037  		// match: (EQ (FlagGT) yes no)
 18038  		// cond:
 18039  		// result: (First nil no yes)
 18040  		for {
 18041  			v := b.Control
 18042  			if v.Op != OpS390XFlagGT {
 18043  				break
 18044  			}
 18045  			yes := b.Succs[0]
 18046  			no := b.Succs[1]
 18047  			b.Kind = BlockFirst
 18048  			b.SetControl(nil)
 18049  			b.swapSuccessors()
 18050  			_ = no
 18051  			_ = yes
 18052  			return true
 18053  		}
 18054  	case BlockS390XGE:
 18055  		// match: (GE (InvertFlags cmp) yes no)
 18056  		// cond:
 18057  		// result: (LE cmp yes no)
 18058  		for {
 18059  			v := b.Control
 18060  			if v.Op != OpS390XInvertFlags {
 18061  				break
 18062  			}
 18063  			cmp := v.Args[0]
 18064  			yes := b.Succs[0]
 18065  			no := b.Succs[1]
 18066  			b.Kind = BlockS390XLE
 18067  			b.SetControl(cmp)
 18068  			_ = yes
 18069  			_ = no
 18070  			return true
 18071  		}
 18072  		// match: (GE (FlagEQ) yes no)
 18073  		// cond:
 18074  		// result: (First nil yes no)
 18075  		for {
 18076  			v := b.Control
 18077  			if v.Op != OpS390XFlagEQ {
 18078  				break
 18079  			}
 18080  			yes := b.Succs[0]
 18081  			no := b.Succs[1]
 18082  			b.Kind = BlockFirst
 18083  			b.SetControl(nil)
 18084  			_ = yes
 18085  			_ = no
 18086  			return true
 18087  		}
 18088  		// match: (GE (FlagLT) yes no)
 18089  		// cond:
 18090  		// result: (First nil no yes)
 18091  		for {
 18092  			v := b.Control
 18093  			if v.Op != OpS390XFlagLT {
 18094  				break
 18095  			}
 18096  			yes := b.Succs[0]
 18097  			no := b.Succs[1]
 18098  			b.Kind = BlockFirst
 18099  			b.SetControl(nil)
 18100  			b.swapSuccessors()
 18101  			_ = no
 18102  			_ = yes
 18103  			return true
 18104  		}
 18105  		// match: (GE (FlagGT) yes no)
 18106  		// cond:
 18107  		// result: (First nil yes no)
 18108  		for {
 18109  			v := b.Control
 18110  			if v.Op != OpS390XFlagGT {
 18111  				break
 18112  			}
 18113  			yes := b.Succs[0]
 18114  			no := b.Succs[1]
 18115  			b.Kind = BlockFirst
 18116  			b.SetControl(nil)
 18117  			_ = yes
 18118  			_ = no
 18119  			return true
 18120  		}
 18121  	case BlockS390XGT:
 18122  		// match: (GT (InvertFlags cmp) yes no)
 18123  		// cond:
 18124  		// result: (LT cmp yes no)
 18125  		for {
 18126  			v := b.Control
 18127  			if v.Op != OpS390XInvertFlags {
 18128  				break
 18129  			}
 18130  			cmp := v.Args[0]
 18131  			yes := b.Succs[0]
 18132  			no := b.Succs[1]
 18133  			b.Kind = BlockS390XLT
 18134  			b.SetControl(cmp)
 18135  			_ = yes
 18136  			_ = no
 18137  			return true
 18138  		}
 18139  		// match: (GT (FlagEQ) yes no)
 18140  		// cond:
 18141  		// result: (First nil no yes)
 18142  		for {
 18143  			v := b.Control
 18144  			if v.Op != OpS390XFlagEQ {
 18145  				break
 18146  			}
 18147  			yes := b.Succs[0]
 18148  			no := b.Succs[1]
 18149  			b.Kind = BlockFirst
 18150  			b.SetControl(nil)
 18151  			b.swapSuccessors()
 18152  			_ = no
 18153  			_ = yes
 18154  			return true
 18155  		}
 18156  		// match: (GT (FlagLT) yes no)
 18157  		// cond:
 18158  		// result: (First nil no yes)
 18159  		for {
 18160  			v := b.Control
 18161  			if v.Op != OpS390XFlagLT {
 18162  				break
 18163  			}
 18164  			yes := b.Succs[0]
 18165  			no := b.Succs[1]
 18166  			b.Kind = BlockFirst
 18167  			b.SetControl(nil)
 18168  			b.swapSuccessors()
 18169  			_ = no
 18170  			_ = yes
 18171  			return true
 18172  		}
 18173  		// match: (GT (FlagGT) yes no)
 18174  		// cond:
 18175  		// result: (First nil yes no)
 18176  		for {
 18177  			v := b.Control
 18178  			if v.Op != OpS390XFlagGT {
 18179  				break
 18180  			}
 18181  			yes := b.Succs[0]
 18182  			no := b.Succs[1]
 18183  			b.Kind = BlockFirst
 18184  			b.SetControl(nil)
 18185  			_ = yes
 18186  			_ = no
 18187  			return true
 18188  		}
 18189  	case BlockIf:
 18190  		// match: (If (MOVDLT (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18191  		// cond:
 18192  		// result: (LT cmp yes no)
 18193  		for {
 18194  			v := b.Control
 18195  			if v.Op != OpS390XMOVDLT {
 18196  				break
 18197  			}
 18198  			v_0 := v.Args[0]
 18199  			if v_0.Op != OpS390XMOVDconst {
 18200  				break
 18201  			}
 18202  			if v_0.AuxInt != 0 {
 18203  				break
 18204  			}
 18205  			v_1 := v.Args[1]
 18206  			if v_1.Op != OpS390XMOVDconst {
 18207  				break
 18208  			}
 18209  			if v_1.AuxInt != 1 {
 18210  				break
 18211  			}
 18212  			cmp := v.Args[2]
 18213  			yes := b.Succs[0]
 18214  			no := b.Succs[1]
 18215  			b.Kind = BlockS390XLT
 18216  			b.SetControl(cmp)
 18217  			_ = yes
 18218  			_ = no
 18219  			return true
 18220  		}
 18221  		// match: (If (MOVDLE (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18222  		// cond:
 18223  		// result: (LE cmp yes no)
 18224  		for {
 18225  			v := b.Control
 18226  			if v.Op != OpS390XMOVDLE {
 18227  				break
 18228  			}
 18229  			v_0 := v.Args[0]
 18230  			if v_0.Op != OpS390XMOVDconst {
 18231  				break
 18232  			}
 18233  			if v_0.AuxInt != 0 {
 18234  				break
 18235  			}
 18236  			v_1 := v.Args[1]
 18237  			if v_1.Op != OpS390XMOVDconst {
 18238  				break
 18239  			}
 18240  			if v_1.AuxInt != 1 {
 18241  				break
 18242  			}
 18243  			cmp := v.Args[2]
 18244  			yes := b.Succs[0]
 18245  			no := b.Succs[1]
 18246  			b.Kind = BlockS390XLE
 18247  			b.SetControl(cmp)
 18248  			_ = yes
 18249  			_ = no
 18250  			return true
 18251  		}
 18252  		// match: (If (MOVDGT (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18253  		// cond:
 18254  		// result: (GT cmp yes no)
 18255  		for {
 18256  			v := b.Control
 18257  			if v.Op != OpS390XMOVDGT {
 18258  				break
 18259  			}
 18260  			v_0 := v.Args[0]
 18261  			if v_0.Op != OpS390XMOVDconst {
 18262  				break
 18263  			}
 18264  			if v_0.AuxInt != 0 {
 18265  				break
 18266  			}
 18267  			v_1 := v.Args[1]
 18268  			if v_1.Op != OpS390XMOVDconst {
 18269  				break
 18270  			}
 18271  			if v_1.AuxInt != 1 {
 18272  				break
 18273  			}
 18274  			cmp := v.Args[2]
 18275  			yes := b.Succs[0]
 18276  			no := b.Succs[1]
 18277  			b.Kind = BlockS390XGT
 18278  			b.SetControl(cmp)
 18279  			_ = yes
 18280  			_ = no
 18281  			return true
 18282  		}
 18283  		// match: (If (MOVDGE (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18284  		// cond:
 18285  		// result: (GE cmp yes no)
 18286  		for {
 18287  			v := b.Control
 18288  			if v.Op != OpS390XMOVDGE {
 18289  				break
 18290  			}
 18291  			v_0 := v.Args[0]
 18292  			if v_0.Op != OpS390XMOVDconst {
 18293  				break
 18294  			}
 18295  			if v_0.AuxInt != 0 {
 18296  				break
 18297  			}
 18298  			v_1 := v.Args[1]
 18299  			if v_1.Op != OpS390XMOVDconst {
 18300  				break
 18301  			}
 18302  			if v_1.AuxInt != 1 {
 18303  				break
 18304  			}
 18305  			cmp := v.Args[2]
 18306  			yes := b.Succs[0]
 18307  			no := b.Succs[1]
 18308  			b.Kind = BlockS390XGE
 18309  			b.SetControl(cmp)
 18310  			_ = yes
 18311  			_ = no
 18312  			return true
 18313  		}
 18314  		// match: (If (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18315  		// cond:
 18316  		// result: (EQ cmp yes no)
 18317  		for {
 18318  			v := b.Control
 18319  			if v.Op != OpS390XMOVDEQ {
 18320  				break
 18321  			}
 18322  			v_0 := v.Args[0]
 18323  			if v_0.Op != OpS390XMOVDconst {
 18324  				break
 18325  			}
 18326  			if v_0.AuxInt != 0 {
 18327  				break
 18328  			}
 18329  			v_1 := v.Args[1]
 18330  			if v_1.Op != OpS390XMOVDconst {
 18331  				break
 18332  			}
 18333  			if v_1.AuxInt != 1 {
 18334  				break
 18335  			}
 18336  			cmp := v.Args[2]
 18337  			yes := b.Succs[0]
 18338  			no := b.Succs[1]
 18339  			b.Kind = BlockS390XEQ
 18340  			b.SetControl(cmp)
 18341  			_ = yes
 18342  			_ = no
 18343  			return true
 18344  		}
 18345  		// match: (If (MOVDNE (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18346  		// cond:
 18347  		// result: (NE cmp yes no)
 18348  		for {
 18349  			v := b.Control
 18350  			if v.Op != OpS390XMOVDNE {
 18351  				break
 18352  			}
 18353  			v_0 := v.Args[0]
 18354  			if v_0.Op != OpS390XMOVDconst {
 18355  				break
 18356  			}
 18357  			if v_0.AuxInt != 0 {
 18358  				break
 18359  			}
 18360  			v_1 := v.Args[1]
 18361  			if v_1.Op != OpS390XMOVDconst {
 18362  				break
 18363  			}
 18364  			if v_1.AuxInt != 1 {
 18365  				break
 18366  			}
 18367  			cmp := v.Args[2]
 18368  			yes := b.Succs[0]
 18369  			no := b.Succs[1]
 18370  			b.Kind = BlockS390XNE
 18371  			b.SetControl(cmp)
 18372  			_ = yes
 18373  			_ = no
 18374  			return true
 18375  		}
 18376  		// match: (If (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18377  		// cond:
 18378  		// result: (GTF cmp yes no)
 18379  		for {
 18380  			v := b.Control
 18381  			if v.Op != OpS390XMOVDGTnoinv {
 18382  				break
 18383  			}
 18384  			v_0 := v.Args[0]
 18385  			if v_0.Op != OpS390XMOVDconst {
 18386  				break
 18387  			}
 18388  			if v_0.AuxInt != 0 {
 18389  				break
 18390  			}
 18391  			v_1 := v.Args[1]
 18392  			if v_1.Op != OpS390XMOVDconst {
 18393  				break
 18394  			}
 18395  			if v_1.AuxInt != 1 {
 18396  				break
 18397  			}
 18398  			cmp := v.Args[2]
 18399  			yes := b.Succs[0]
 18400  			no := b.Succs[1]
 18401  			b.Kind = BlockS390XGTF
 18402  			b.SetControl(cmp)
 18403  			_ = yes
 18404  			_ = no
 18405  			return true
 18406  		}
 18407  		// match: (If (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18408  		// cond:
 18409  		// result: (GEF cmp yes no)
 18410  		for {
 18411  			v := b.Control
 18412  			if v.Op != OpS390XMOVDGEnoinv {
 18413  				break
 18414  			}
 18415  			v_0 := v.Args[0]
 18416  			if v_0.Op != OpS390XMOVDconst {
 18417  				break
 18418  			}
 18419  			if v_0.AuxInt != 0 {
 18420  				break
 18421  			}
 18422  			v_1 := v.Args[1]
 18423  			if v_1.Op != OpS390XMOVDconst {
 18424  				break
 18425  			}
 18426  			if v_1.AuxInt != 1 {
 18427  				break
 18428  			}
 18429  			cmp := v.Args[2]
 18430  			yes := b.Succs[0]
 18431  			no := b.Succs[1]
 18432  			b.Kind = BlockS390XGEF
 18433  			b.SetControl(cmp)
 18434  			_ = yes
 18435  			_ = no
 18436  			return true
 18437  		}
 18438  		// match: (If cond yes no)
 18439  		// cond:
 18440  		// result: (NE (CMPWconst [0] (MOVBZreg cond)) yes no)
 18441  		for {
 18442  			v := b.Control
 18443  			_ = v
 18444  			cond := b.Control
 18445  			yes := b.Succs[0]
 18446  			no := b.Succs[1]
 18447  			b.Kind = BlockS390XNE
 18448  			v0 := b.NewValue0(v.Pos, OpS390XCMPWconst, TypeFlags)
 18449  			v0.AuxInt = 0
 18450  			v1 := b.NewValue0(v.Pos, OpS390XMOVBZreg, config.fe.TypeUInt64())
 18451  			v1.AddArg(cond)
 18452  			v0.AddArg(v1)
 18453  			b.SetControl(v0)
 18454  			_ = yes
 18455  			_ = no
 18456  			return true
 18457  		}
 18458  	case BlockS390XLE:
 18459  		// match: (LE (InvertFlags cmp) yes no)
 18460  		// cond:
 18461  		// result: (GE cmp yes no)
 18462  		for {
 18463  			v := b.Control
 18464  			if v.Op != OpS390XInvertFlags {
 18465  				break
 18466  			}
 18467  			cmp := v.Args[0]
 18468  			yes := b.Succs[0]
 18469  			no := b.Succs[1]
 18470  			b.Kind = BlockS390XGE
 18471  			b.SetControl(cmp)
 18472  			_ = yes
 18473  			_ = no
 18474  			return true
 18475  		}
 18476  		// match: (LE (FlagEQ) yes no)
 18477  		// cond:
 18478  		// result: (First nil yes no)
 18479  		for {
 18480  			v := b.Control
 18481  			if v.Op != OpS390XFlagEQ {
 18482  				break
 18483  			}
 18484  			yes := b.Succs[0]
 18485  			no := b.Succs[1]
 18486  			b.Kind = BlockFirst
 18487  			b.SetControl(nil)
 18488  			_ = yes
 18489  			_ = no
 18490  			return true
 18491  		}
 18492  		// match: (LE (FlagLT) yes no)
 18493  		// cond:
 18494  		// result: (First nil yes no)
 18495  		for {
 18496  			v := b.Control
 18497  			if v.Op != OpS390XFlagLT {
 18498  				break
 18499  			}
 18500  			yes := b.Succs[0]
 18501  			no := b.Succs[1]
 18502  			b.Kind = BlockFirst
 18503  			b.SetControl(nil)
 18504  			_ = yes
 18505  			_ = no
 18506  			return true
 18507  		}
 18508  		// match: (LE (FlagGT) yes no)
 18509  		// cond:
 18510  		// result: (First nil no yes)
 18511  		for {
 18512  			v := b.Control
 18513  			if v.Op != OpS390XFlagGT {
 18514  				break
 18515  			}
 18516  			yes := b.Succs[0]
 18517  			no := b.Succs[1]
 18518  			b.Kind = BlockFirst
 18519  			b.SetControl(nil)
 18520  			b.swapSuccessors()
 18521  			_ = no
 18522  			_ = yes
 18523  			return true
 18524  		}
 18525  	case BlockS390XLT:
 18526  		// match: (LT (InvertFlags cmp) yes no)
 18527  		// cond:
 18528  		// result: (GT cmp yes no)
 18529  		for {
 18530  			v := b.Control
 18531  			if v.Op != OpS390XInvertFlags {
 18532  				break
 18533  			}
 18534  			cmp := v.Args[0]
 18535  			yes := b.Succs[0]
 18536  			no := b.Succs[1]
 18537  			b.Kind = BlockS390XGT
 18538  			b.SetControl(cmp)
 18539  			_ = yes
 18540  			_ = no
 18541  			return true
 18542  		}
 18543  		// match: (LT (FlagEQ) yes no)
 18544  		// cond:
 18545  		// result: (First nil no yes)
 18546  		for {
 18547  			v := b.Control
 18548  			if v.Op != OpS390XFlagEQ {
 18549  				break
 18550  			}
 18551  			yes := b.Succs[0]
 18552  			no := b.Succs[1]
 18553  			b.Kind = BlockFirst
 18554  			b.SetControl(nil)
 18555  			b.swapSuccessors()
 18556  			_ = no
 18557  			_ = yes
 18558  			return true
 18559  		}
 18560  		// match: (LT (FlagLT) yes no)
 18561  		// cond:
 18562  		// result: (First nil yes no)
 18563  		for {
 18564  			v := b.Control
 18565  			if v.Op != OpS390XFlagLT {
 18566  				break
 18567  			}
 18568  			yes := b.Succs[0]
 18569  			no := b.Succs[1]
 18570  			b.Kind = BlockFirst
 18571  			b.SetControl(nil)
 18572  			_ = yes
 18573  			_ = no
 18574  			return true
 18575  		}
 18576  		// match: (LT (FlagGT) yes no)
 18577  		// cond:
 18578  		// result: (First nil no yes)
 18579  		for {
 18580  			v := b.Control
 18581  			if v.Op != OpS390XFlagGT {
 18582  				break
 18583  			}
 18584  			yes := b.Succs[0]
 18585  			no := b.Succs[1]
 18586  			b.Kind = BlockFirst
 18587  			b.SetControl(nil)
 18588  			b.swapSuccessors()
 18589  			_ = no
 18590  			_ = yes
 18591  			return true
 18592  		}
 18593  	case BlockS390XNE:
 18594  		// match: (NE (CMPWconst [0] (MOVDLT (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18595  		// cond:
 18596  		// result: (LT cmp yes no)
 18597  		for {
 18598  			v := b.Control
 18599  			if v.Op != OpS390XCMPWconst {
 18600  				break
 18601  			}
 18602  			if v.AuxInt != 0 {
 18603  				break
 18604  			}
 18605  			v_0 := v.Args[0]
 18606  			if v_0.Op != OpS390XMOVDLT {
 18607  				break
 18608  			}
 18609  			v_0_0 := v_0.Args[0]
 18610  			if v_0_0.Op != OpS390XMOVDconst {
 18611  				break
 18612  			}
 18613  			if v_0_0.AuxInt != 0 {
 18614  				break
 18615  			}
 18616  			v_0_1 := v_0.Args[1]
 18617  			if v_0_1.Op != OpS390XMOVDconst {
 18618  				break
 18619  			}
 18620  			if v_0_1.AuxInt != 1 {
 18621  				break
 18622  			}
 18623  			cmp := v_0.Args[2]
 18624  			yes := b.Succs[0]
 18625  			no := b.Succs[1]
 18626  			b.Kind = BlockS390XLT
 18627  			b.SetControl(cmp)
 18628  			_ = yes
 18629  			_ = no
 18630  			return true
 18631  		}
 18632  		// match: (NE (CMPWconst [0] (MOVDLE (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18633  		// cond:
 18634  		// result: (LE cmp yes no)
 18635  		for {
 18636  			v := b.Control
 18637  			if v.Op != OpS390XCMPWconst {
 18638  				break
 18639  			}
 18640  			if v.AuxInt != 0 {
 18641  				break
 18642  			}
 18643  			v_0 := v.Args[0]
 18644  			if v_0.Op != OpS390XMOVDLE {
 18645  				break
 18646  			}
 18647  			v_0_0 := v_0.Args[0]
 18648  			if v_0_0.Op != OpS390XMOVDconst {
 18649  				break
 18650  			}
 18651  			if v_0_0.AuxInt != 0 {
 18652  				break
 18653  			}
 18654  			v_0_1 := v_0.Args[1]
 18655  			if v_0_1.Op != OpS390XMOVDconst {
 18656  				break
 18657  			}
 18658  			if v_0_1.AuxInt != 1 {
 18659  				break
 18660  			}
 18661  			cmp := v_0.Args[2]
 18662  			yes := b.Succs[0]
 18663  			no := b.Succs[1]
 18664  			b.Kind = BlockS390XLE
 18665  			b.SetControl(cmp)
 18666  			_ = yes
 18667  			_ = no
 18668  			return true
 18669  		}
 18670  		// match: (NE (CMPWconst [0] (MOVDGT (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18671  		// cond:
 18672  		// result: (GT cmp yes no)
 18673  		for {
 18674  			v := b.Control
 18675  			if v.Op != OpS390XCMPWconst {
 18676  				break
 18677  			}
 18678  			if v.AuxInt != 0 {
 18679  				break
 18680  			}
 18681  			v_0 := v.Args[0]
 18682  			if v_0.Op != OpS390XMOVDGT {
 18683  				break
 18684  			}
 18685  			v_0_0 := v_0.Args[0]
 18686  			if v_0_0.Op != OpS390XMOVDconst {
 18687  				break
 18688  			}
 18689  			if v_0_0.AuxInt != 0 {
 18690  				break
 18691  			}
 18692  			v_0_1 := v_0.Args[1]
 18693  			if v_0_1.Op != OpS390XMOVDconst {
 18694  				break
 18695  			}
 18696  			if v_0_1.AuxInt != 1 {
 18697  				break
 18698  			}
 18699  			cmp := v_0.Args[2]
 18700  			yes := b.Succs[0]
 18701  			no := b.Succs[1]
 18702  			b.Kind = BlockS390XGT
 18703  			b.SetControl(cmp)
 18704  			_ = yes
 18705  			_ = no
 18706  			return true
 18707  		}
 18708  		// match: (NE (CMPWconst [0] (MOVDGE (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18709  		// cond:
 18710  		// result: (GE cmp yes no)
 18711  		for {
 18712  			v := b.Control
 18713  			if v.Op != OpS390XCMPWconst {
 18714  				break
 18715  			}
 18716  			if v.AuxInt != 0 {
 18717  				break
 18718  			}
 18719  			v_0 := v.Args[0]
 18720  			if v_0.Op != OpS390XMOVDGE {
 18721  				break
 18722  			}
 18723  			v_0_0 := v_0.Args[0]
 18724  			if v_0_0.Op != OpS390XMOVDconst {
 18725  				break
 18726  			}
 18727  			if v_0_0.AuxInt != 0 {
 18728  				break
 18729  			}
 18730  			v_0_1 := v_0.Args[1]
 18731  			if v_0_1.Op != OpS390XMOVDconst {
 18732  				break
 18733  			}
 18734  			if v_0_1.AuxInt != 1 {
 18735  				break
 18736  			}
 18737  			cmp := v_0.Args[2]
 18738  			yes := b.Succs[0]
 18739  			no := b.Succs[1]
 18740  			b.Kind = BlockS390XGE
 18741  			b.SetControl(cmp)
 18742  			_ = yes
 18743  			_ = no
 18744  			return true
 18745  		}
 18746  		// match: (NE (CMPWconst [0] (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18747  		// cond:
 18748  		// result: (EQ cmp yes no)
 18749  		for {
 18750  			v := b.Control
 18751  			if v.Op != OpS390XCMPWconst {
 18752  				break
 18753  			}
 18754  			if v.AuxInt != 0 {
 18755  				break
 18756  			}
 18757  			v_0 := v.Args[0]
 18758  			if v_0.Op != OpS390XMOVDEQ {
 18759  				break
 18760  			}
 18761  			v_0_0 := v_0.Args[0]
 18762  			if v_0_0.Op != OpS390XMOVDconst {
 18763  				break
 18764  			}
 18765  			if v_0_0.AuxInt != 0 {
 18766  				break
 18767  			}
 18768  			v_0_1 := v_0.Args[1]
 18769  			if v_0_1.Op != OpS390XMOVDconst {
 18770  				break
 18771  			}
 18772  			if v_0_1.AuxInt != 1 {
 18773  				break
 18774  			}
 18775  			cmp := v_0.Args[2]
 18776  			yes := b.Succs[0]
 18777  			no := b.Succs[1]
 18778  			b.Kind = BlockS390XEQ
 18779  			b.SetControl(cmp)
 18780  			_ = yes
 18781  			_ = no
 18782  			return true
 18783  		}
 18784  		// match: (NE (CMPWconst [0] (MOVDNE (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18785  		// cond:
 18786  		// result: (NE cmp yes no)
 18787  		for {
 18788  			v := b.Control
 18789  			if v.Op != OpS390XCMPWconst {
 18790  				break
 18791  			}
 18792  			if v.AuxInt != 0 {
 18793  				break
 18794  			}
 18795  			v_0 := v.Args[0]
 18796  			if v_0.Op != OpS390XMOVDNE {
 18797  				break
 18798  			}
 18799  			v_0_0 := v_0.Args[0]
 18800  			if v_0_0.Op != OpS390XMOVDconst {
 18801  				break
 18802  			}
 18803  			if v_0_0.AuxInt != 0 {
 18804  				break
 18805  			}
 18806  			v_0_1 := v_0.Args[1]
 18807  			if v_0_1.Op != OpS390XMOVDconst {
 18808  				break
 18809  			}
 18810  			if v_0_1.AuxInt != 1 {
 18811  				break
 18812  			}
 18813  			cmp := v_0.Args[2]
 18814  			yes := b.Succs[0]
 18815  			no := b.Succs[1]
 18816  			b.Kind = BlockS390XNE
 18817  			b.SetControl(cmp)
 18818  			_ = yes
 18819  			_ = no
 18820  			return true
 18821  		}
 18822  		// match: (NE (CMPWconst [0] (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18823  		// cond:
 18824  		// result: (GTF cmp yes no)
 18825  		for {
 18826  			v := b.Control
 18827  			if v.Op != OpS390XCMPWconst {
 18828  				break
 18829  			}
 18830  			if v.AuxInt != 0 {
 18831  				break
 18832  			}
 18833  			v_0 := v.Args[0]
 18834  			if v_0.Op != OpS390XMOVDGTnoinv {
 18835  				break
 18836  			}
 18837  			v_0_0 := v_0.Args[0]
 18838  			if v_0_0.Op != OpS390XMOVDconst {
 18839  				break
 18840  			}
 18841  			if v_0_0.AuxInt != 0 {
 18842  				break
 18843  			}
 18844  			v_0_1 := v_0.Args[1]
 18845  			if v_0_1.Op != OpS390XMOVDconst {
 18846  				break
 18847  			}
 18848  			if v_0_1.AuxInt != 1 {
 18849  				break
 18850  			}
 18851  			cmp := v_0.Args[2]
 18852  			yes := b.Succs[0]
 18853  			no := b.Succs[1]
 18854  			b.Kind = BlockS390XGTF
 18855  			b.SetControl(cmp)
 18856  			_ = yes
 18857  			_ = no
 18858  			return true
 18859  		}
 18860  		// match: (NE (CMPWconst [0] (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18861  		// cond:
 18862  		// result: (GEF cmp yes no)
 18863  		for {
 18864  			v := b.Control
 18865  			if v.Op != OpS390XCMPWconst {
 18866  				break
 18867  			}
 18868  			if v.AuxInt != 0 {
 18869  				break
 18870  			}
 18871  			v_0 := v.Args[0]
 18872  			if v_0.Op != OpS390XMOVDGEnoinv {
 18873  				break
 18874  			}
 18875  			v_0_0 := v_0.Args[0]
 18876  			if v_0_0.Op != OpS390XMOVDconst {
 18877  				break
 18878  			}
 18879  			if v_0_0.AuxInt != 0 {
 18880  				break
 18881  			}
 18882  			v_0_1 := v_0.Args[1]
 18883  			if v_0_1.Op != OpS390XMOVDconst {
 18884  				break
 18885  			}
 18886  			if v_0_1.AuxInt != 1 {
 18887  				break
 18888  			}
 18889  			cmp := v_0.Args[2]
 18890  			yes := b.Succs[0]
 18891  			no := b.Succs[1]
 18892  			b.Kind = BlockS390XGEF
 18893  			b.SetControl(cmp)
 18894  			_ = yes
 18895  			_ = no
 18896  			return true
 18897  		}
 18898  		// match: (NE (InvertFlags cmp) yes no)
 18899  		// cond:
 18900  		// result: (NE cmp yes no)
 18901  		for {
 18902  			v := b.Control
 18903  			if v.Op != OpS390XInvertFlags {
 18904  				break
 18905  			}
 18906  			cmp := v.Args[0]
 18907  			yes := b.Succs[0]
 18908  			no := b.Succs[1]
 18909  			b.Kind = BlockS390XNE
 18910  			b.SetControl(cmp)
 18911  			_ = yes
 18912  			_ = no
 18913  			return true
 18914  		}
 18915  		// match: (NE (FlagEQ) yes no)
 18916  		// cond:
 18917  		// result: (First nil no yes)
 18918  		for {
 18919  			v := b.Control
 18920  			if v.Op != OpS390XFlagEQ {
 18921  				break
 18922  			}
 18923  			yes := b.Succs[0]
 18924  			no := b.Succs[1]
 18925  			b.Kind = BlockFirst
 18926  			b.SetControl(nil)
 18927  			b.swapSuccessors()
 18928  			_ = no
 18929  			_ = yes
 18930  			return true
 18931  		}
 18932  		// match: (NE (FlagLT) yes no)
 18933  		// cond:
 18934  		// result: (First nil yes no)
 18935  		for {
 18936  			v := b.Control
 18937  			if v.Op != OpS390XFlagLT {
 18938  				break
 18939  			}
 18940  			yes := b.Succs[0]
 18941  			no := b.Succs[1]
 18942  			b.Kind = BlockFirst
 18943  			b.SetControl(nil)
 18944  			_ = yes
 18945  			_ = no
 18946  			return true
 18947  		}
 18948  		// match: (NE (FlagGT) yes no)
 18949  		// cond:
 18950  		// result: (First nil yes no)
 18951  		for {
 18952  			v := b.Control
 18953  			if v.Op != OpS390XFlagGT {
 18954  				break
 18955  			}
 18956  			yes := b.Succs[0]
 18957  			no := b.Succs[1]
 18958  			b.Kind = BlockFirst
 18959  			b.SetControl(nil)
 18960  			_ = yes
 18961  			_ = no
 18962  			return true
 18963  		}
 18964  	}
 18965  	return false
 18966  }