github.com/dannin/go@v0.0.0-20161031215817-d35dfd405eaa/src/cmd/compile/internal/ssa/rewriteS390X.go (about)

     1  // autogenerated from gen/S390X.rules: do not edit!
     2  // generated with: cd gen; go run *.go
     3  
     4  package ssa
     5  
     6  import "math"
     7  
     8  var _ = math.MinInt8 // in case not otherwise used
     9  func rewriteValueS390X(v *Value, config *Config) bool {
    10  	switch v.Op {
    11  	case OpAdd16:
    12  		return rewriteValueS390X_OpAdd16(v, config)
    13  	case OpAdd32:
    14  		return rewriteValueS390X_OpAdd32(v, config)
    15  	case OpAdd32F:
    16  		return rewriteValueS390X_OpAdd32F(v, config)
    17  	case OpAdd64:
    18  		return rewriteValueS390X_OpAdd64(v, config)
    19  	case OpAdd64F:
    20  		return rewriteValueS390X_OpAdd64F(v, config)
    21  	case OpAdd8:
    22  		return rewriteValueS390X_OpAdd8(v, config)
    23  	case OpAddPtr:
    24  		return rewriteValueS390X_OpAddPtr(v, config)
    25  	case OpAddr:
    26  		return rewriteValueS390X_OpAddr(v, config)
    27  	case OpAnd16:
    28  		return rewriteValueS390X_OpAnd16(v, config)
    29  	case OpAnd32:
    30  		return rewriteValueS390X_OpAnd32(v, config)
    31  	case OpAnd64:
    32  		return rewriteValueS390X_OpAnd64(v, config)
    33  	case OpAnd8:
    34  		return rewriteValueS390X_OpAnd8(v, config)
    35  	case OpAndB:
    36  		return rewriteValueS390X_OpAndB(v, config)
    37  	case OpAtomicAdd32:
    38  		return rewriteValueS390X_OpAtomicAdd32(v, config)
    39  	case OpAtomicAdd64:
    40  		return rewriteValueS390X_OpAtomicAdd64(v, config)
    41  	case OpAtomicCompareAndSwap32:
    42  		return rewriteValueS390X_OpAtomicCompareAndSwap32(v, config)
    43  	case OpAtomicCompareAndSwap64:
    44  		return rewriteValueS390X_OpAtomicCompareAndSwap64(v, config)
    45  	case OpAtomicExchange32:
    46  		return rewriteValueS390X_OpAtomicExchange32(v, config)
    47  	case OpAtomicExchange64:
    48  		return rewriteValueS390X_OpAtomicExchange64(v, config)
    49  	case OpAtomicLoad32:
    50  		return rewriteValueS390X_OpAtomicLoad32(v, config)
    51  	case OpAtomicLoad64:
    52  		return rewriteValueS390X_OpAtomicLoad64(v, config)
    53  	case OpAtomicLoadPtr:
    54  		return rewriteValueS390X_OpAtomicLoadPtr(v, config)
    55  	case OpAtomicStore32:
    56  		return rewriteValueS390X_OpAtomicStore32(v, config)
    57  	case OpAtomicStore64:
    58  		return rewriteValueS390X_OpAtomicStore64(v, config)
    59  	case OpAtomicStorePtrNoWB:
    60  		return rewriteValueS390X_OpAtomicStorePtrNoWB(v, config)
    61  	case OpAvg64u:
    62  		return rewriteValueS390X_OpAvg64u(v, config)
    63  	case OpBswap32:
    64  		return rewriteValueS390X_OpBswap32(v, config)
    65  	case OpBswap64:
    66  		return rewriteValueS390X_OpBswap64(v, config)
    67  	case OpClosureCall:
    68  		return rewriteValueS390X_OpClosureCall(v, config)
    69  	case OpCom16:
    70  		return rewriteValueS390X_OpCom16(v, config)
    71  	case OpCom32:
    72  		return rewriteValueS390X_OpCom32(v, config)
    73  	case OpCom64:
    74  		return rewriteValueS390X_OpCom64(v, config)
    75  	case OpCom8:
    76  		return rewriteValueS390X_OpCom8(v, config)
    77  	case OpConst16:
    78  		return rewriteValueS390X_OpConst16(v, config)
    79  	case OpConst32:
    80  		return rewriteValueS390X_OpConst32(v, config)
    81  	case OpConst32F:
    82  		return rewriteValueS390X_OpConst32F(v, config)
    83  	case OpConst64:
    84  		return rewriteValueS390X_OpConst64(v, config)
    85  	case OpConst64F:
    86  		return rewriteValueS390X_OpConst64F(v, config)
    87  	case OpConst8:
    88  		return rewriteValueS390X_OpConst8(v, config)
    89  	case OpConstBool:
    90  		return rewriteValueS390X_OpConstBool(v, config)
    91  	case OpConstNil:
    92  		return rewriteValueS390X_OpConstNil(v, config)
    93  	case OpConvert:
    94  		return rewriteValueS390X_OpConvert(v, config)
    95  	case OpCtz32:
    96  		return rewriteValueS390X_OpCtz32(v, config)
    97  	case OpCtz64:
    98  		return rewriteValueS390X_OpCtz64(v, config)
    99  	case OpCvt32Fto32:
   100  		return rewriteValueS390X_OpCvt32Fto32(v, config)
   101  	case OpCvt32Fto64:
   102  		return rewriteValueS390X_OpCvt32Fto64(v, config)
   103  	case OpCvt32Fto64F:
   104  		return rewriteValueS390X_OpCvt32Fto64F(v, config)
   105  	case OpCvt32to32F:
   106  		return rewriteValueS390X_OpCvt32to32F(v, config)
   107  	case OpCvt32to64F:
   108  		return rewriteValueS390X_OpCvt32to64F(v, config)
   109  	case OpCvt64Fto32:
   110  		return rewriteValueS390X_OpCvt64Fto32(v, config)
   111  	case OpCvt64Fto32F:
   112  		return rewriteValueS390X_OpCvt64Fto32F(v, config)
   113  	case OpCvt64Fto64:
   114  		return rewriteValueS390X_OpCvt64Fto64(v, config)
   115  	case OpCvt64to32F:
   116  		return rewriteValueS390X_OpCvt64to32F(v, config)
   117  	case OpCvt64to64F:
   118  		return rewriteValueS390X_OpCvt64to64F(v, config)
   119  	case OpDeferCall:
   120  		return rewriteValueS390X_OpDeferCall(v, config)
   121  	case OpDiv16:
   122  		return rewriteValueS390X_OpDiv16(v, config)
   123  	case OpDiv16u:
   124  		return rewriteValueS390X_OpDiv16u(v, config)
   125  	case OpDiv32:
   126  		return rewriteValueS390X_OpDiv32(v, config)
   127  	case OpDiv32F:
   128  		return rewriteValueS390X_OpDiv32F(v, config)
   129  	case OpDiv32u:
   130  		return rewriteValueS390X_OpDiv32u(v, config)
   131  	case OpDiv64:
   132  		return rewriteValueS390X_OpDiv64(v, config)
   133  	case OpDiv64F:
   134  		return rewriteValueS390X_OpDiv64F(v, config)
   135  	case OpDiv64u:
   136  		return rewriteValueS390X_OpDiv64u(v, config)
   137  	case OpDiv8:
   138  		return rewriteValueS390X_OpDiv8(v, config)
   139  	case OpDiv8u:
   140  		return rewriteValueS390X_OpDiv8u(v, config)
   141  	case OpEq16:
   142  		return rewriteValueS390X_OpEq16(v, config)
   143  	case OpEq32:
   144  		return rewriteValueS390X_OpEq32(v, config)
   145  	case OpEq32F:
   146  		return rewriteValueS390X_OpEq32F(v, config)
   147  	case OpEq64:
   148  		return rewriteValueS390X_OpEq64(v, config)
   149  	case OpEq64F:
   150  		return rewriteValueS390X_OpEq64F(v, config)
   151  	case OpEq8:
   152  		return rewriteValueS390X_OpEq8(v, config)
   153  	case OpEqB:
   154  		return rewriteValueS390X_OpEqB(v, config)
   155  	case OpEqPtr:
   156  		return rewriteValueS390X_OpEqPtr(v, config)
   157  	case OpGeq16:
   158  		return rewriteValueS390X_OpGeq16(v, config)
   159  	case OpGeq16U:
   160  		return rewriteValueS390X_OpGeq16U(v, config)
   161  	case OpGeq32:
   162  		return rewriteValueS390X_OpGeq32(v, config)
   163  	case OpGeq32F:
   164  		return rewriteValueS390X_OpGeq32F(v, config)
   165  	case OpGeq32U:
   166  		return rewriteValueS390X_OpGeq32U(v, config)
   167  	case OpGeq64:
   168  		return rewriteValueS390X_OpGeq64(v, config)
   169  	case OpGeq64F:
   170  		return rewriteValueS390X_OpGeq64F(v, config)
   171  	case OpGeq64U:
   172  		return rewriteValueS390X_OpGeq64U(v, config)
   173  	case OpGeq8:
   174  		return rewriteValueS390X_OpGeq8(v, config)
   175  	case OpGeq8U:
   176  		return rewriteValueS390X_OpGeq8U(v, config)
   177  	case OpGetClosurePtr:
   178  		return rewriteValueS390X_OpGetClosurePtr(v, config)
   179  	case OpGetG:
   180  		return rewriteValueS390X_OpGetG(v, config)
   181  	case OpGoCall:
   182  		return rewriteValueS390X_OpGoCall(v, config)
   183  	case OpGreater16:
   184  		return rewriteValueS390X_OpGreater16(v, config)
   185  	case OpGreater16U:
   186  		return rewriteValueS390X_OpGreater16U(v, config)
   187  	case OpGreater32:
   188  		return rewriteValueS390X_OpGreater32(v, config)
   189  	case OpGreater32F:
   190  		return rewriteValueS390X_OpGreater32F(v, config)
   191  	case OpGreater32U:
   192  		return rewriteValueS390X_OpGreater32U(v, config)
   193  	case OpGreater64:
   194  		return rewriteValueS390X_OpGreater64(v, config)
   195  	case OpGreater64F:
   196  		return rewriteValueS390X_OpGreater64F(v, config)
   197  	case OpGreater64U:
   198  		return rewriteValueS390X_OpGreater64U(v, config)
   199  	case OpGreater8:
   200  		return rewriteValueS390X_OpGreater8(v, config)
   201  	case OpGreater8U:
   202  		return rewriteValueS390X_OpGreater8U(v, config)
   203  	case OpHmul16:
   204  		return rewriteValueS390X_OpHmul16(v, config)
   205  	case OpHmul16u:
   206  		return rewriteValueS390X_OpHmul16u(v, config)
   207  	case OpHmul32:
   208  		return rewriteValueS390X_OpHmul32(v, config)
   209  	case OpHmul32u:
   210  		return rewriteValueS390X_OpHmul32u(v, config)
   211  	case OpHmul64:
   212  		return rewriteValueS390X_OpHmul64(v, config)
   213  	case OpHmul64u:
   214  		return rewriteValueS390X_OpHmul64u(v, config)
   215  	case OpHmul8:
   216  		return rewriteValueS390X_OpHmul8(v, config)
   217  	case OpHmul8u:
   218  		return rewriteValueS390X_OpHmul8u(v, config)
   219  	case OpITab:
   220  		return rewriteValueS390X_OpITab(v, config)
   221  	case OpInterCall:
   222  		return rewriteValueS390X_OpInterCall(v, config)
   223  	case OpIsInBounds:
   224  		return rewriteValueS390X_OpIsInBounds(v, config)
   225  	case OpIsNonNil:
   226  		return rewriteValueS390X_OpIsNonNil(v, config)
   227  	case OpIsSliceInBounds:
   228  		return rewriteValueS390X_OpIsSliceInBounds(v, config)
   229  	case OpLeq16:
   230  		return rewriteValueS390X_OpLeq16(v, config)
   231  	case OpLeq16U:
   232  		return rewriteValueS390X_OpLeq16U(v, config)
   233  	case OpLeq32:
   234  		return rewriteValueS390X_OpLeq32(v, config)
   235  	case OpLeq32F:
   236  		return rewriteValueS390X_OpLeq32F(v, config)
   237  	case OpLeq32U:
   238  		return rewriteValueS390X_OpLeq32U(v, config)
   239  	case OpLeq64:
   240  		return rewriteValueS390X_OpLeq64(v, config)
   241  	case OpLeq64F:
   242  		return rewriteValueS390X_OpLeq64F(v, config)
   243  	case OpLeq64U:
   244  		return rewriteValueS390X_OpLeq64U(v, config)
   245  	case OpLeq8:
   246  		return rewriteValueS390X_OpLeq8(v, config)
   247  	case OpLeq8U:
   248  		return rewriteValueS390X_OpLeq8U(v, config)
   249  	case OpLess16:
   250  		return rewriteValueS390X_OpLess16(v, config)
   251  	case OpLess16U:
   252  		return rewriteValueS390X_OpLess16U(v, config)
   253  	case OpLess32:
   254  		return rewriteValueS390X_OpLess32(v, config)
   255  	case OpLess32F:
   256  		return rewriteValueS390X_OpLess32F(v, config)
   257  	case OpLess32U:
   258  		return rewriteValueS390X_OpLess32U(v, config)
   259  	case OpLess64:
   260  		return rewriteValueS390X_OpLess64(v, config)
   261  	case OpLess64F:
   262  		return rewriteValueS390X_OpLess64F(v, config)
   263  	case OpLess64U:
   264  		return rewriteValueS390X_OpLess64U(v, config)
   265  	case OpLess8:
   266  		return rewriteValueS390X_OpLess8(v, config)
   267  	case OpLess8U:
   268  		return rewriteValueS390X_OpLess8U(v, config)
   269  	case OpLoad:
   270  		return rewriteValueS390X_OpLoad(v, config)
   271  	case OpLrot32:
   272  		return rewriteValueS390X_OpLrot32(v, config)
   273  	case OpLrot64:
   274  		return rewriteValueS390X_OpLrot64(v, config)
   275  	case OpLsh16x16:
   276  		return rewriteValueS390X_OpLsh16x16(v, config)
   277  	case OpLsh16x32:
   278  		return rewriteValueS390X_OpLsh16x32(v, config)
   279  	case OpLsh16x64:
   280  		return rewriteValueS390X_OpLsh16x64(v, config)
   281  	case OpLsh16x8:
   282  		return rewriteValueS390X_OpLsh16x8(v, config)
   283  	case OpLsh32x16:
   284  		return rewriteValueS390X_OpLsh32x16(v, config)
   285  	case OpLsh32x32:
   286  		return rewriteValueS390X_OpLsh32x32(v, config)
   287  	case OpLsh32x64:
   288  		return rewriteValueS390X_OpLsh32x64(v, config)
   289  	case OpLsh32x8:
   290  		return rewriteValueS390X_OpLsh32x8(v, config)
   291  	case OpLsh64x16:
   292  		return rewriteValueS390X_OpLsh64x16(v, config)
   293  	case OpLsh64x32:
   294  		return rewriteValueS390X_OpLsh64x32(v, config)
   295  	case OpLsh64x64:
   296  		return rewriteValueS390X_OpLsh64x64(v, config)
   297  	case OpLsh64x8:
   298  		return rewriteValueS390X_OpLsh64x8(v, config)
   299  	case OpLsh8x16:
   300  		return rewriteValueS390X_OpLsh8x16(v, config)
   301  	case OpLsh8x32:
   302  		return rewriteValueS390X_OpLsh8x32(v, config)
   303  	case OpLsh8x64:
   304  		return rewriteValueS390X_OpLsh8x64(v, config)
   305  	case OpLsh8x8:
   306  		return rewriteValueS390X_OpLsh8x8(v, config)
   307  	case OpMod16:
   308  		return rewriteValueS390X_OpMod16(v, config)
   309  	case OpMod16u:
   310  		return rewriteValueS390X_OpMod16u(v, config)
   311  	case OpMod32:
   312  		return rewriteValueS390X_OpMod32(v, config)
   313  	case OpMod32u:
   314  		return rewriteValueS390X_OpMod32u(v, config)
   315  	case OpMod64:
   316  		return rewriteValueS390X_OpMod64(v, config)
   317  	case OpMod64u:
   318  		return rewriteValueS390X_OpMod64u(v, config)
   319  	case OpMod8:
   320  		return rewriteValueS390X_OpMod8(v, config)
   321  	case OpMod8u:
   322  		return rewriteValueS390X_OpMod8u(v, config)
   323  	case OpMove:
   324  		return rewriteValueS390X_OpMove(v, config)
   325  	case OpMul16:
   326  		return rewriteValueS390X_OpMul16(v, config)
   327  	case OpMul32:
   328  		return rewriteValueS390X_OpMul32(v, config)
   329  	case OpMul32F:
   330  		return rewriteValueS390X_OpMul32F(v, config)
   331  	case OpMul64:
   332  		return rewriteValueS390X_OpMul64(v, config)
   333  	case OpMul64F:
   334  		return rewriteValueS390X_OpMul64F(v, config)
   335  	case OpMul8:
   336  		return rewriteValueS390X_OpMul8(v, config)
   337  	case OpNeg16:
   338  		return rewriteValueS390X_OpNeg16(v, config)
   339  	case OpNeg32:
   340  		return rewriteValueS390X_OpNeg32(v, config)
   341  	case OpNeg32F:
   342  		return rewriteValueS390X_OpNeg32F(v, config)
   343  	case OpNeg64:
   344  		return rewriteValueS390X_OpNeg64(v, config)
   345  	case OpNeg64F:
   346  		return rewriteValueS390X_OpNeg64F(v, config)
   347  	case OpNeg8:
   348  		return rewriteValueS390X_OpNeg8(v, config)
   349  	case OpNeq16:
   350  		return rewriteValueS390X_OpNeq16(v, config)
   351  	case OpNeq32:
   352  		return rewriteValueS390X_OpNeq32(v, config)
   353  	case OpNeq32F:
   354  		return rewriteValueS390X_OpNeq32F(v, config)
   355  	case OpNeq64:
   356  		return rewriteValueS390X_OpNeq64(v, config)
   357  	case OpNeq64F:
   358  		return rewriteValueS390X_OpNeq64F(v, config)
   359  	case OpNeq8:
   360  		return rewriteValueS390X_OpNeq8(v, config)
   361  	case OpNeqB:
   362  		return rewriteValueS390X_OpNeqB(v, config)
   363  	case OpNeqPtr:
   364  		return rewriteValueS390X_OpNeqPtr(v, config)
   365  	case OpNilCheck:
   366  		return rewriteValueS390X_OpNilCheck(v, config)
   367  	case OpNot:
   368  		return rewriteValueS390X_OpNot(v, config)
   369  	case OpOffPtr:
   370  		return rewriteValueS390X_OpOffPtr(v, config)
   371  	case OpOr16:
   372  		return rewriteValueS390X_OpOr16(v, config)
   373  	case OpOr32:
   374  		return rewriteValueS390X_OpOr32(v, config)
   375  	case OpOr64:
   376  		return rewriteValueS390X_OpOr64(v, config)
   377  	case OpOr8:
   378  		return rewriteValueS390X_OpOr8(v, config)
   379  	case OpOrB:
   380  		return rewriteValueS390X_OpOrB(v, config)
   381  	case OpRsh16Ux16:
   382  		return rewriteValueS390X_OpRsh16Ux16(v, config)
   383  	case OpRsh16Ux32:
   384  		return rewriteValueS390X_OpRsh16Ux32(v, config)
   385  	case OpRsh16Ux64:
   386  		return rewriteValueS390X_OpRsh16Ux64(v, config)
   387  	case OpRsh16Ux8:
   388  		return rewriteValueS390X_OpRsh16Ux8(v, config)
   389  	case OpRsh16x16:
   390  		return rewriteValueS390X_OpRsh16x16(v, config)
   391  	case OpRsh16x32:
   392  		return rewriteValueS390X_OpRsh16x32(v, config)
   393  	case OpRsh16x64:
   394  		return rewriteValueS390X_OpRsh16x64(v, config)
   395  	case OpRsh16x8:
   396  		return rewriteValueS390X_OpRsh16x8(v, config)
   397  	case OpRsh32Ux16:
   398  		return rewriteValueS390X_OpRsh32Ux16(v, config)
   399  	case OpRsh32Ux32:
   400  		return rewriteValueS390X_OpRsh32Ux32(v, config)
   401  	case OpRsh32Ux64:
   402  		return rewriteValueS390X_OpRsh32Ux64(v, config)
   403  	case OpRsh32Ux8:
   404  		return rewriteValueS390X_OpRsh32Ux8(v, config)
   405  	case OpRsh32x16:
   406  		return rewriteValueS390X_OpRsh32x16(v, config)
   407  	case OpRsh32x32:
   408  		return rewriteValueS390X_OpRsh32x32(v, config)
   409  	case OpRsh32x64:
   410  		return rewriteValueS390X_OpRsh32x64(v, config)
   411  	case OpRsh32x8:
   412  		return rewriteValueS390X_OpRsh32x8(v, config)
   413  	case OpRsh64Ux16:
   414  		return rewriteValueS390X_OpRsh64Ux16(v, config)
   415  	case OpRsh64Ux32:
   416  		return rewriteValueS390X_OpRsh64Ux32(v, config)
   417  	case OpRsh64Ux64:
   418  		return rewriteValueS390X_OpRsh64Ux64(v, config)
   419  	case OpRsh64Ux8:
   420  		return rewriteValueS390X_OpRsh64Ux8(v, config)
   421  	case OpRsh64x16:
   422  		return rewriteValueS390X_OpRsh64x16(v, config)
   423  	case OpRsh64x32:
   424  		return rewriteValueS390X_OpRsh64x32(v, config)
   425  	case OpRsh64x64:
   426  		return rewriteValueS390X_OpRsh64x64(v, config)
   427  	case OpRsh64x8:
   428  		return rewriteValueS390X_OpRsh64x8(v, config)
   429  	case OpRsh8Ux16:
   430  		return rewriteValueS390X_OpRsh8Ux16(v, config)
   431  	case OpRsh8Ux32:
   432  		return rewriteValueS390X_OpRsh8Ux32(v, config)
   433  	case OpRsh8Ux64:
   434  		return rewriteValueS390X_OpRsh8Ux64(v, config)
   435  	case OpRsh8Ux8:
   436  		return rewriteValueS390X_OpRsh8Ux8(v, config)
   437  	case OpRsh8x16:
   438  		return rewriteValueS390X_OpRsh8x16(v, config)
   439  	case OpRsh8x32:
   440  		return rewriteValueS390X_OpRsh8x32(v, config)
   441  	case OpRsh8x64:
   442  		return rewriteValueS390X_OpRsh8x64(v, config)
   443  	case OpRsh8x8:
   444  		return rewriteValueS390X_OpRsh8x8(v, config)
   445  	case OpS390XADD:
   446  		return rewriteValueS390X_OpS390XADD(v, config)
   447  	case OpS390XADDW:
   448  		return rewriteValueS390X_OpS390XADDW(v, config)
   449  	case OpS390XADDWconst:
   450  		return rewriteValueS390X_OpS390XADDWconst(v, config)
   451  	case OpS390XADDconst:
   452  		return rewriteValueS390X_OpS390XADDconst(v, config)
   453  	case OpS390XAND:
   454  		return rewriteValueS390X_OpS390XAND(v, config)
   455  	case OpS390XANDW:
   456  		return rewriteValueS390X_OpS390XANDW(v, config)
   457  	case OpS390XANDWconst:
   458  		return rewriteValueS390X_OpS390XANDWconst(v, config)
   459  	case OpS390XANDconst:
   460  		return rewriteValueS390X_OpS390XANDconst(v, config)
   461  	case OpS390XCMP:
   462  		return rewriteValueS390X_OpS390XCMP(v, config)
   463  	case OpS390XCMPU:
   464  		return rewriteValueS390X_OpS390XCMPU(v, config)
   465  	case OpS390XCMPUconst:
   466  		return rewriteValueS390X_OpS390XCMPUconst(v, config)
   467  	case OpS390XCMPW:
   468  		return rewriteValueS390X_OpS390XCMPW(v, config)
   469  	case OpS390XCMPWU:
   470  		return rewriteValueS390X_OpS390XCMPWU(v, config)
   471  	case OpS390XCMPWUconst:
   472  		return rewriteValueS390X_OpS390XCMPWUconst(v, config)
   473  	case OpS390XCMPWconst:
   474  		return rewriteValueS390X_OpS390XCMPWconst(v, config)
   475  	case OpS390XCMPconst:
   476  		return rewriteValueS390X_OpS390XCMPconst(v, config)
   477  	case OpS390XFMOVDload:
   478  		return rewriteValueS390X_OpS390XFMOVDload(v, config)
   479  	case OpS390XFMOVDloadidx:
   480  		return rewriteValueS390X_OpS390XFMOVDloadidx(v, config)
   481  	case OpS390XFMOVDstore:
   482  		return rewriteValueS390X_OpS390XFMOVDstore(v, config)
   483  	case OpS390XFMOVDstoreidx:
   484  		return rewriteValueS390X_OpS390XFMOVDstoreidx(v, config)
   485  	case OpS390XFMOVSload:
   486  		return rewriteValueS390X_OpS390XFMOVSload(v, config)
   487  	case OpS390XFMOVSloadidx:
   488  		return rewriteValueS390X_OpS390XFMOVSloadidx(v, config)
   489  	case OpS390XFMOVSstore:
   490  		return rewriteValueS390X_OpS390XFMOVSstore(v, config)
   491  	case OpS390XFMOVSstoreidx:
   492  		return rewriteValueS390X_OpS390XFMOVSstoreidx(v, config)
   493  	case OpS390XMOVBZload:
   494  		return rewriteValueS390X_OpS390XMOVBZload(v, config)
   495  	case OpS390XMOVBZloadidx:
   496  		return rewriteValueS390X_OpS390XMOVBZloadidx(v, config)
   497  	case OpS390XMOVBZreg:
   498  		return rewriteValueS390X_OpS390XMOVBZreg(v, config)
   499  	case OpS390XMOVBload:
   500  		return rewriteValueS390X_OpS390XMOVBload(v, config)
   501  	case OpS390XMOVBreg:
   502  		return rewriteValueS390X_OpS390XMOVBreg(v, config)
   503  	case OpS390XMOVBstore:
   504  		return rewriteValueS390X_OpS390XMOVBstore(v, config)
   505  	case OpS390XMOVBstoreconst:
   506  		return rewriteValueS390X_OpS390XMOVBstoreconst(v, config)
   507  	case OpS390XMOVBstoreidx:
   508  		return rewriteValueS390X_OpS390XMOVBstoreidx(v, config)
   509  	case OpS390XMOVDEQ:
   510  		return rewriteValueS390X_OpS390XMOVDEQ(v, config)
   511  	case OpS390XMOVDGE:
   512  		return rewriteValueS390X_OpS390XMOVDGE(v, config)
   513  	case OpS390XMOVDGT:
   514  		return rewriteValueS390X_OpS390XMOVDGT(v, config)
   515  	case OpS390XMOVDLE:
   516  		return rewriteValueS390X_OpS390XMOVDLE(v, config)
   517  	case OpS390XMOVDLT:
   518  		return rewriteValueS390X_OpS390XMOVDLT(v, config)
   519  	case OpS390XMOVDNE:
   520  		return rewriteValueS390X_OpS390XMOVDNE(v, config)
   521  	case OpS390XMOVDaddr:
   522  		return rewriteValueS390X_OpS390XMOVDaddr(v, config)
   523  	case OpS390XMOVDaddridx:
   524  		return rewriteValueS390X_OpS390XMOVDaddridx(v, config)
   525  	case OpS390XMOVDload:
   526  		return rewriteValueS390X_OpS390XMOVDload(v, config)
   527  	case OpS390XMOVDloadidx:
   528  		return rewriteValueS390X_OpS390XMOVDloadidx(v, config)
   529  	case OpS390XMOVDstore:
   530  		return rewriteValueS390X_OpS390XMOVDstore(v, config)
   531  	case OpS390XMOVDstoreconst:
   532  		return rewriteValueS390X_OpS390XMOVDstoreconst(v, config)
   533  	case OpS390XMOVDstoreidx:
   534  		return rewriteValueS390X_OpS390XMOVDstoreidx(v, config)
   535  	case OpS390XMOVHBRstore:
   536  		return rewriteValueS390X_OpS390XMOVHBRstore(v, config)
   537  	case OpS390XMOVHBRstoreidx:
   538  		return rewriteValueS390X_OpS390XMOVHBRstoreidx(v, config)
   539  	case OpS390XMOVHZload:
   540  		return rewriteValueS390X_OpS390XMOVHZload(v, config)
   541  	case OpS390XMOVHZloadidx:
   542  		return rewriteValueS390X_OpS390XMOVHZloadidx(v, config)
   543  	case OpS390XMOVHZreg:
   544  		return rewriteValueS390X_OpS390XMOVHZreg(v, config)
   545  	case OpS390XMOVHload:
   546  		return rewriteValueS390X_OpS390XMOVHload(v, config)
   547  	case OpS390XMOVHreg:
   548  		return rewriteValueS390X_OpS390XMOVHreg(v, config)
   549  	case OpS390XMOVHstore:
   550  		return rewriteValueS390X_OpS390XMOVHstore(v, config)
   551  	case OpS390XMOVHstoreconst:
   552  		return rewriteValueS390X_OpS390XMOVHstoreconst(v, config)
   553  	case OpS390XMOVHstoreidx:
   554  		return rewriteValueS390X_OpS390XMOVHstoreidx(v, config)
   555  	case OpS390XMOVWBRstore:
   556  		return rewriteValueS390X_OpS390XMOVWBRstore(v, config)
   557  	case OpS390XMOVWBRstoreidx:
   558  		return rewriteValueS390X_OpS390XMOVWBRstoreidx(v, config)
   559  	case OpS390XMOVWZload:
   560  		return rewriteValueS390X_OpS390XMOVWZload(v, config)
   561  	case OpS390XMOVWZloadidx:
   562  		return rewriteValueS390X_OpS390XMOVWZloadidx(v, config)
   563  	case OpS390XMOVWZreg:
   564  		return rewriteValueS390X_OpS390XMOVWZreg(v, config)
   565  	case OpS390XMOVWload:
   566  		return rewriteValueS390X_OpS390XMOVWload(v, config)
   567  	case OpS390XMOVWreg:
   568  		return rewriteValueS390X_OpS390XMOVWreg(v, config)
   569  	case OpS390XMOVWstore:
   570  		return rewriteValueS390X_OpS390XMOVWstore(v, config)
   571  	case OpS390XMOVWstoreconst:
   572  		return rewriteValueS390X_OpS390XMOVWstoreconst(v, config)
   573  	case OpS390XMOVWstoreidx:
   574  		return rewriteValueS390X_OpS390XMOVWstoreidx(v, config)
   575  	case OpS390XMULLD:
   576  		return rewriteValueS390X_OpS390XMULLD(v, config)
   577  	case OpS390XMULLDconst:
   578  		return rewriteValueS390X_OpS390XMULLDconst(v, config)
   579  	case OpS390XMULLW:
   580  		return rewriteValueS390X_OpS390XMULLW(v, config)
   581  	case OpS390XMULLWconst:
   582  		return rewriteValueS390X_OpS390XMULLWconst(v, config)
   583  	case OpS390XNEG:
   584  		return rewriteValueS390X_OpS390XNEG(v, config)
   585  	case OpS390XNEGW:
   586  		return rewriteValueS390X_OpS390XNEGW(v, config)
   587  	case OpS390XNOT:
   588  		return rewriteValueS390X_OpS390XNOT(v, config)
   589  	case OpS390XNOTW:
   590  		return rewriteValueS390X_OpS390XNOTW(v, config)
   591  	case OpS390XOR:
   592  		return rewriteValueS390X_OpS390XOR(v, config)
   593  	case OpS390XORW:
   594  		return rewriteValueS390X_OpS390XORW(v, config)
   595  	case OpS390XORWconst:
   596  		return rewriteValueS390X_OpS390XORWconst(v, config)
   597  	case OpS390XORconst:
   598  		return rewriteValueS390X_OpS390XORconst(v, config)
   599  	case OpS390XSLD:
   600  		return rewriteValueS390X_OpS390XSLD(v, config)
   601  	case OpS390XSLW:
   602  		return rewriteValueS390X_OpS390XSLW(v, config)
   603  	case OpS390XSRAD:
   604  		return rewriteValueS390X_OpS390XSRAD(v, config)
   605  	case OpS390XSRADconst:
   606  		return rewriteValueS390X_OpS390XSRADconst(v, config)
   607  	case OpS390XSRAW:
   608  		return rewriteValueS390X_OpS390XSRAW(v, config)
   609  	case OpS390XSRAWconst:
   610  		return rewriteValueS390X_OpS390XSRAWconst(v, config)
   611  	case OpS390XSRD:
   612  		return rewriteValueS390X_OpS390XSRD(v, config)
   613  	case OpS390XSRW:
   614  		return rewriteValueS390X_OpS390XSRW(v, config)
   615  	case OpS390XSTM2:
   616  		return rewriteValueS390X_OpS390XSTM2(v, config)
   617  	case OpS390XSTMG2:
   618  		return rewriteValueS390X_OpS390XSTMG2(v, config)
   619  	case OpS390XSUB:
   620  		return rewriteValueS390X_OpS390XSUB(v, config)
   621  	case OpS390XSUBEWcarrymask:
   622  		return rewriteValueS390X_OpS390XSUBEWcarrymask(v, config)
   623  	case OpS390XSUBEcarrymask:
   624  		return rewriteValueS390X_OpS390XSUBEcarrymask(v, config)
   625  	case OpS390XSUBW:
   626  		return rewriteValueS390X_OpS390XSUBW(v, config)
   627  	case OpS390XSUBWconst:
   628  		return rewriteValueS390X_OpS390XSUBWconst(v, config)
   629  	case OpS390XSUBconst:
   630  		return rewriteValueS390X_OpS390XSUBconst(v, config)
   631  	case OpS390XXOR:
   632  		return rewriteValueS390X_OpS390XXOR(v, config)
   633  	case OpS390XXORW:
   634  		return rewriteValueS390X_OpS390XXORW(v, config)
   635  	case OpS390XXORWconst:
   636  		return rewriteValueS390X_OpS390XXORWconst(v, config)
   637  	case OpS390XXORconst:
   638  		return rewriteValueS390X_OpS390XXORconst(v, config)
   639  	case OpSelect0:
   640  		return rewriteValueS390X_OpSelect0(v, config)
   641  	case OpSelect1:
   642  		return rewriteValueS390X_OpSelect1(v, config)
   643  	case OpSignExt16to32:
   644  		return rewriteValueS390X_OpSignExt16to32(v, config)
   645  	case OpSignExt16to64:
   646  		return rewriteValueS390X_OpSignExt16to64(v, config)
   647  	case OpSignExt32to64:
   648  		return rewriteValueS390X_OpSignExt32to64(v, config)
   649  	case OpSignExt8to16:
   650  		return rewriteValueS390X_OpSignExt8to16(v, config)
   651  	case OpSignExt8to32:
   652  		return rewriteValueS390X_OpSignExt8to32(v, config)
   653  	case OpSignExt8to64:
   654  		return rewriteValueS390X_OpSignExt8to64(v, config)
   655  	case OpSlicemask:
   656  		return rewriteValueS390X_OpSlicemask(v, config)
   657  	case OpSqrt:
   658  		return rewriteValueS390X_OpSqrt(v, config)
   659  	case OpStaticCall:
   660  		return rewriteValueS390X_OpStaticCall(v, config)
   661  	case OpStore:
   662  		return rewriteValueS390X_OpStore(v, config)
   663  	case OpSub16:
   664  		return rewriteValueS390X_OpSub16(v, config)
   665  	case OpSub32:
   666  		return rewriteValueS390X_OpSub32(v, config)
   667  	case OpSub32F:
   668  		return rewriteValueS390X_OpSub32F(v, config)
   669  	case OpSub64:
   670  		return rewriteValueS390X_OpSub64(v, config)
   671  	case OpSub64F:
   672  		return rewriteValueS390X_OpSub64F(v, config)
   673  	case OpSub8:
   674  		return rewriteValueS390X_OpSub8(v, config)
   675  	case OpSubPtr:
   676  		return rewriteValueS390X_OpSubPtr(v, config)
   677  	case OpTrunc16to8:
   678  		return rewriteValueS390X_OpTrunc16to8(v, config)
   679  	case OpTrunc32to16:
   680  		return rewriteValueS390X_OpTrunc32to16(v, config)
   681  	case OpTrunc32to8:
   682  		return rewriteValueS390X_OpTrunc32to8(v, config)
   683  	case OpTrunc64to16:
   684  		return rewriteValueS390X_OpTrunc64to16(v, config)
   685  	case OpTrunc64to32:
   686  		return rewriteValueS390X_OpTrunc64to32(v, config)
   687  	case OpTrunc64to8:
   688  		return rewriteValueS390X_OpTrunc64to8(v, config)
   689  	case OpXor16:
   690  		return rewriteValueS390X_OpXor16(v, config)
   691  	case OpXor32:
   692  		return rewriteValueS390X_OpXor32(v, config)
   693  	case OpXor64:
   694  		return rewriteValueS390X_OpXor64(v, config)
   695  	case OpXor8:
   696  		return rewriteValueS390X_OpXor8(v, config)
   697  	case OpZero:
   698  		return rewriteValueS390X_OpZero(v, config)
   699  	case OpZeroExt16to32:
   700  		return rewriteValueS390X_OpZeroExt16to32(v, config)
   701  	case OpZeroExt16to64:
   702  		return rewriteValueS390X_OpZeroExt16to64(v, config)
   703  	case OpZeroExt32to64:
   704  		return rewriteValueS390X_OpZeroExt32to64(v, config)
   705  	case OpZeroExt8to16:
   706  		return rewriteValueS390X_OpZeroExt8to16(v, config)
   707  	case OpZeroExt8to32:
   708  		return rewriteValueS390X_OpZeroExt8to32(v, config)
   709  	case OpZeroExt8to64:
   710  		return rewriteValueS390X_OpZeroExt8to64(v, config)
   711  	}
   712  	return false
   713  }
   714  func rewriteValueS390X_OpAdd16(v *Value, config *Config) bool {
   715  	b := v.Block
   716  	_ = b
   717  	// match: (Add16  x y)
   718  	// cond:
   719  	// result: (ADDW  x y)
   720  	for {
   721  		x := v.Args[0]
   722  		y := v.Args[1]
   723  		v.reset(OpS390XADDW)
   724  		v.AddArg(x)
   725  		v.AddArg(y)
   726  		return true
   727  	}
   728  }
   729  func rewriteValueS390X_OpAdd32(v *Value, config *Config) bool {
   730  	b := v.Block
   731  	_ = b
   732  	// match: (Add32  x y)
   733  	// cond:
   734  	// result: (ADDW  x y)
   735  	for {
   736  		x := v.Args[0]
   737  		y := v.Args[1]
   738  		v.reset(OpS390XADDW)
   739  		v.AddArg(x)
   740  		v.AddArg(y)
   741  		return true
   742  	}
   743  }
   744  func rewriteValueS390X_OpAdd32F(v *Value, config *Config) bool {
   745  	b := v.Block
   746  	_ = b
   747  	// match: (Add32F x y)
   748  	// cond:
   749  	// result: (FADDS x y)
   750  	for {
   751  		x := v.Args[0]
   752  		y := v.Args[1]
   753  		v.reset(OpS390XFADDS)
   754  		v.AddArg(x)
   755  		v.AddArg(y)
   756  		return true
   757  	}
   758  }
   759  func rewriteValueS390X_OpAdd64(v *Value, config *Config) bool {
   760  	b := v.Block
   761  	_ = b
   762  	// match: (Add64  x y)
   763  	// cond:
   764  	// result: (ADD  x y)
   765  	for {
   766  		x := v.Args[0]
   767  		y := v.Args[1]
   768  		v.reset(OpS390XADD)
   769  		v.AddArg(x)
   770  		v.AddArg(y)
   771  		return true
   772  	}
   773  }
   774  func rewriteValueS390X_OpAdd64F(v *Value, config *Config) bool {
   775  	b := v.Block
   776  	_ = b
   777  	// match: (Add64F x y)
   778  	// cond:
   779  	// result: (FADD x y)
   780  	for {
   781  		x := v.Args[0]
   782  		y := v.Args[1]
   783  		v.reset(OpS390XFADD)
   784  		v.AddArg(x)
   785  		v.AddArg(y)
   786  		return true
   787  	}
   788  }
   789  func rewriteValueS390X_OpAdd8(v *Value, config *Config) bool {
   790  	b := v.Block
   791  	_ = b
   792  	// match: (Add8   x y)
   793  	// cond:
   794  	// result: (ADDW  x y)
   795  	for {
   796  		x := v.Args[0]
   797  		y := v.Args[1]
   798  		v.reset(OpS390XADDW)
   799  		v.AddArg(x)
   800  		v.AddArg(y)
   801  		return true
   802  	}
   803  }
   804  func rewriteValueS390X_OpAddPtr(v *Value, config *Config) bool {
   805  	b := v.Block
   806  	_ = b
   807  	// match: (AddPtr x y)
   808  	// cond:
   809  	// result: (ADD  x y)
   810  	for {
   811  		x := v.Args[0]
   812  		y := v.Args[1]
   813  		v.reset(OpS390XADD)
   814  		v.AddArg(x)
   815  		v.AddArg(y)
   816  		return true
   817  	}
   818  }
   819  func rewriteValueS390X_OpAddr(v *Value, config *Config) bool {
   820  	b := v.Block
   821  	_ = b
   822  	// match: (Addr {sym} base)
   823  	// cond:
   824  	// result: (MOVDaddr {sym} base)
   825  	for {
   826  		sym := v.Aux
   827  		base := v.Args[0]
   828  		v.reset(OpS390XMOVDaddr)
   829  		v.Aux = sym
   830  		v.AddArg(base)
   831  		return true
   832  	}
   833  }
   834  func rewriteValueS390X_OpAnd16(v *Value, config *Config) bool {
   835  	b := v.Block
   836  	_ = b
   837  	// match: (And16 x y)
   838  	// cond:
   839  	// result: (ANDW x y)
   840  	for {
   841  		x := v.Args[0]
   842  		y := v.Args[1]
   843  		v.reset(OpS390XANDW)
   844  		v.AddArg(x)
   845  		v.AddArg(y)
   846  		return true
   847  	}
   848  }
   849  func rewriteValueS390X_OpAnd32(v *Value, config *Config) bool {
   850  	b := v.Block
   851  	_ = b
   852  	// match: (And32 x y)
   853  	// cond:
   854  	// result: (ANDW x y)
   855  	for {
   856  		x := v.Args[0]
   857  		y := v.Args[1]
   858  		v.reset(OpS390XANDW)
   859  		v.AddArg(x)
   860  		v.AddArg(y)
   861  		return true
   862  	}
   863  }
   864  func rewriteValueS390X_OpAnd64(v *Value, config *Config) bool {
   865  	b := v.Block
   866  	_ = b
   867  	// match: (And64 x y)
   868  	// cond:
   869  	// result: (AND x y)
   870  	for {
   871  		x := v.Args[0]
   872  		y := v.Args[1]
   873  		v.reset(OpS390XAND)
   874  		v.AddArg(x)
   875  		v.AddArg(y)
   876  		return true
   877  	}
   878  }
   879  func rewriteValueS390X_OpAnd8(v *Value, config *Config) bool {
   880  	b := v.Block
   881  	_ = b
   882  	// match: (And8  x y)
   883  	// cond:
   884  	// result: (ANDW x y)
   885  	for {
   886  		x := v.Args[0]
   887  		y := v.Args[1]
   888  		v.reset(OpS390XANDW)
   889  		v.AddArg(x)
   890  		v.AddArg(y)
   891  		return true
   892  	}
   893  }
   894  func rewriteValueS390X_OpAndB(v *Value, config *Config) bool {
   895  	b := v.Block
   896  	_ = b
   897  	// match: (AndB x y)
   898  	// cond:
   899  	// result: (ANDW x y)
   900  	for {
   901  		x := v.Args[0]
   902  		y := v.Args[1]
   903  		v.reset(OpS390XANDW)
   904  		v.AddArg(x)
   905  		v.AddArg(y)
   906  		return true
   907  	}
   908  }
   909  func rewriteValueS390X_OpAtomicAdd32(v *Value, config *Config) bool {
   910  	b := v.Block
   911  	_ = b
   912  	// match: (AtomicAdd32 ptr val mem)
   913  	// cond:
   914  	// result: (AddTupleFirst32 (LAA ptr val mem) val)
   915  	for {
   916  		ptr := v.Args[0]
   917  		val := v.Args[1]
   918  		mem := v.Args[2]
   919  		v.reset(OpS390XAddTupleFirst32)
   920  		v0 := b.NewValue0(v.Line, OpS390XLAA, MakeTuple(config.fe.TypeUInt32(), TypeMem))
   921  		v0.AddArg(ptr)
   922  		v0.AddArg(val)
   923  		v0.AddArg(mem)
   924  		v.AddArg(v0)
   925  		v.AddArg(val)
   926  		return true
   927  	}
   928  }
   929  func rewriteValueS390X_OpAtomicAdd64(v *Value, config *Config) bool {
   930  	b := v.Block
   931  	_ = b
   932  	// match: (AtomicAdd64 ptr val mem)
   933  	// cond:
   934  	// result: (AddTupleFirst64 (LAAG ptr val mem) val)
   935  	for {
   936  		ptr := v.Args[0]
   937  		val := v.Args[1]
   938  		mem := v.Args[2]
   939  		v.reset(OpS390XAddTupleFirst64)
   940  		v0 := b.NewValue0(v.Line, OpS390XLAAG, MakeTuple(config.fe.TypeUInt64(), TypeMem))
   941  		v0.AddArg(ptr)
   942  		v0.AddArg(val)
   943  		v0.AddArg(mem)
   944  		v.AddArg(v0)
   945  		v.AddArg(val)
   946  		return true
   947  	}
   948  }
   949  func rewriteValueS390X_OpAtomicCompareAndSwap32(v *Value, config *Config) bool {
   950  	b := v.Block
   951  	_ = b
   952  	// match: (AtomicCompareAndSwap32 ptr old new_ mem)
   953  	// cond:
   954  	// result: (LoweredAtomicCas32 ptr old new_ mem)
   955  	for {
   956  		ptr := v.Args[0]
   957  		old := v.Args[1]
   958  		new_ := v.Args[2]
   959  		mem := v.Args[3]
   960  		v.reset(OpS390XLoweredAtomicCas32)
   961  		v.AddArg(ptr)
   962  		v.AddArg(old)
   963  		v.AddArg(new_)
   964  		v.AddArg(mem)
   965  		return true
   966  	}
   967  }
   968  func rewriteValueS390X_OpAtomicCompareAndSwap64(v *Value, config *Config) bool {
   969  	b := v.Block
   970  	_ = b
   971  	// match: (AtomicCompareAndSwap64 ptr old new_ mem)
   972  	// cond:
   973  	// result: (LoweredAtomicCas64 ptr old new_ mem)
   974  	for {
   975  		ptr := v.Args[0]
   976  		old := v.Args[1]
   977  		new_ := v.Args[2]
   978  		mem := v.Args[3]
   979  		v.reset(OpS390XLoweredAtomicCas64)
   980  		v.AddArg(ptr)
   981  		v.AddArg(old)
   982  		v.AddArg(new_)
   983  		v.AddArg(mem)
   984  		return true
   985  	}
   986  }
   987  func rewriteValueS390X_OpAtomicExchange32(v *Value, config *Config) bool {
   988  	b := v.Block
   989  	_ = b
   990  	// match: (AtomicExchange32 ptr val mem)
   991  	// cond:
   992  	// result: (LoweredAtomicExchange32 ptr val mem)
   993  	for {
   994  		ptr := v.Args[0]
   995  		val := v.Args[1]
   996  		mem := v.Args[2]
   997  		v.reset(OpS390XLoweredAtomicExchange32)
   998  		v.AddArg(ptr)
   999  		v.AddArg(val)
  1000  		v.AddArg(mem)
  1001  		return true
  1002  	}
  1003  }
  1004  func rewriteValueS390X_OpAtomicExchange64(v *Value, config *Config) bool {
  1005  	b := v.Block
  1006  	_ = b
  1007  	// match: (AtomicExchange64 ptr val mem)
  1008  	// cond:
  1009  	// result: (LoweredAtomicExchange64 ptr val mem)
  1010  	for {
  1011  		ptr := v.Args[0]
  1012  		val := v.Args[1]
  1013  		mem := v.Args[2]
  1014  		v.reset(OpS390XLoweredAtomicExchange64)
  1015  		v.AddArg(ptr)
  1016  		v.AddArg(val)
  1017  		v.AddArg(mem)
  1018  		return true
  1019  	}
  1020  }
  1021  func rewriteValueS390X_OpAtomicLoad32(v *Value, config *Config) bool {
  1022  	b := v.Block
  1023  	_ = b
  1024  	// match: (AtomicLoad32 ptr mem)
  1025  	// cond:
  1026  	// result: (MOVWZatomicload ptr mem)
  1027  	for {
  1028  		ptr := v.Args[0]
  1029  		mem := v.Args[1]
  1030  		v.reset(OpS390XMOVWZatomicload)
  1031  		v.AddArg(ptr)
  1032  		v.AddArg(mem)
  1033  		return true
  1034  	}
  1035  }
  1036  func rewriteValueS390X_OpAtomicLoad64(v *Value, config *Config) bool {
  1037  	b := v.Block
  1038  	_ = b
  1039  	// match: (AtomicLoad64 ptr mem)
  1040  	// cond:
  1041  	// result: (MOVDatomicload ptr mem)
  1042  	for {
  1043  		ptr := v.Args[0]
  1044  		mem := v.Args[1]
  1045  		v.reset(OpS390XMOVDatomicload)
  1046  		v.AddArg(ptr)
  1047  		v.AddArg(mem)
  1048  		return true
  1049  	}
  1050  }
  1051  func rewriteValueS390X_OpAtomicLoadPtr(v *Value, config *Config) bool {
  1052  	b := v.Block
  1053  	_ = b
  1054  	// match: (AtomicLoadPtr ptr mem)
  1055  	// cond:
  1056  	// result: (MOVDatomicload ptr mem)
  1057  	for {
  1058  		ptr := v.Args[0]
  1059  		mem := v.Args[1]
  1060  		v.reset(OpS390XMOVDatomicload)
  1061  		v.AddArg(ptr)
  1062  		v.AddArg(mem)
  1063  		return true
  1064  	}
  1065  }
  1066  func rewriteValueS390X_OpAtomicStore32(v *Value, config *Config) bool {
  1067  	b := v.Block
  1068  	_ = b
  1069  	// match: (AtomicStore32 ptr val mem)
  1070  	// cond:
  1071  	// result: (MOVWatomicstore ptr val mem)
  1072  	for {
  1073  		ptr := v.Args[0]
  1074  		val := v.Args[1]
  1075  		mem := v.Args[2]
  1076  		v.reset(OpS390XMOVWatomicstore)
  1077  		v.AddArg(ptr)
  1078  		v.AddArg(val)
  1079  		v.AddArg(mem)
  1080  		return true
  1081  	}
  1082  }
  1083  func rewriteValueS390X_OpAtomicStore64(v *Value, config *Config) bool {
  1084  	b := v.Block
  1085  	_ = b
  1086  	// match: (AtomicStore64 ptr val mem)
  1087  	// cond:
  1088  	// result: (MOVDatomicstore ptr val mem)
  1089  	for {
  1090  		ptr := v.Args[0]
  1091  		val := v.Args[1]
  1092  		mem := v.Args[2]
  1093  		v.reset(OpS390XMOVDatomicstore)
  1094  		v.AddArg(ptr)
  1095  		v.AddArg(val)
  1096  		v.AddArg(mem)
  1097  		return true
  1098  	}
  1099  }
  1100  func rewriteValueS390X_OpAtomicStorePtrNoWB(v *Value, config *Config) bool {
  1101  	b := v.Block
  1102  	_ = b
  1103  	// match: (AtomicStorePtrNoWB ptr val mem)
  1104  	// cond:
  1105  	// result: (MOVDatomicstore ptr val mem)
  1106  	for {
  1107  		ptr := v.Args[0]
  1108  		val := v.Args[1]
  1109  		mem := v.Args[2]
  1110  		v.reset(OpS390XMOVDatomicstore)
  1111  		v.AddArg(ptr)
  1112  		v.AddArg(val)
  1113  		v.AddArg(mem)
  1114  		return true
  1115  	}
  1116  }
  1117  func rewriteValueS390X_OpAvg64u(v *Value, config *Config) bool {
  1118  	b := v.Block
  1119  	_ = b
  1120  	// match: (Avg64u <t> x y)
  1121  	// cond:
  1122  	// result: (ADD (ADD <t> (SRDconst <t> x [1]) (SRDconst <t> y [1])) (ANDconst <t> (AND <t> x y) [1]))
  1123  	for {
  1124  		t := v.Type
  1125  		x := v.Args[0]
  1126  		y := v.Args[1]
  1127  		v.reset(OpS390XADD)
  1128  		v0 := b.NewValue0(v.Line, OpS390XADD, t)
  1129  		v1 := b.NewValue0(v.Line, OpS390XSRDconst, t)
  1130  		v1.AuxInt = 1
  1131  		v1.AddArg(x)
  1132  		v0.AddArg(v1)
  1133  		v2 := b.NewValue0(v.Line, OpS390XSRDconst, t)
  1134  		v2.AuxInt = 1
  1135  		v2.AddArg(y)
  1136  		v0.AddArg(v2)
  1137  		v.AddArg(v0)
  1138  		v3 := b.NewValue0(v.Line, OpS390XANDconst, t)
  1139  		v3.AuxInt = 1
  1140  		v4 := b.NewValue0(v.Line, OpS390XAND, t)
  1141  		v4.AddArg(x)
  1142  		v4.AddArg(y)
  1143  		v3.AddArg(v4)
  1144  		v.AddArg(v3)
  1145  		return true
  1146  	}
  1147  }
  1148  func rewriteValueS390X_OpBswap32(v *Value, config *Config) bool {
  1149  	b := v.Block
  1150  	_ = b
  1151  	// match: (Bswap32 x)
  1152  	// cond:
  1153  	// result: (MOVWBR x)
  1154  	for {
  1155  		x := v.Args[0]
  1156  		v.reset(OpS390XMOVWBR)
  1157  		v.AddArg(x)
  1158  		return true
  1159  	}
  1160  }
  1161  func rewriteValueS390X_OpBswap64(v *Value, config *Config) bool {
  1162  	b := v.Block
  1163  	_ = b
  1164  	// match: (Bswap64 x)
  1165  	// cond:
  1166  	// result: (MOVDBR x)
  1167  	for {
  1168  		x := v.Args[0]
  1169  		v.reset(OpS390XMOVDBR)
  1170  		v.AddArg(x)
  1171  		return true
  1172  	}
  1173  }
  1174  func rewriteValueS390X_OpClosureCall(v *Value, config *Config) bool {
  1175  	b := v.Block
  1176  	_ = b
  1177  	// match: (ClosureCall [argwid] entry closure mem)
  1178  	// cond:
  1179  	// result: (CALLclosure [argwid] entry closure mem)
  1180  	for {
  1181  		argwid := v.AuxInt
  1182  		entry := v.Args[0]
  1183  		closure := v.Args[1]
  1184  		mem := v.Args[2]
  1185  		v.reset(OpS390XCALLclosure)
  1186  		v.AuxInt = argwid
  1187  		v.AddArg(entry)
  1188  		v.AddArg(closure)
  1189  		v.AddArg(mem)
  1190  		return true
  1191  	}
  1192  }
  1193  func rewriteValueS390X_OpCom16(v *Value, config *Config) bool {
  1194  	b := v.Block
  1195  	_ = b
  1196  	// match: (Com16 x)
  1197  	// cond:
  1198  	// result: (NOTW x)
  1199  	for {
  1200  		x := v.Args[0]
  1201  		v.reset(OpS390XNOTW)
  1202  		v.AddArg(x)
  1203  		return true
  1204  	}
  1205  }
  1206  func rewriteValueS390X_OpCom32(v *Value, config *Config) bool {
  1207  	b := v.Block
  1208  	_ = b
  1209  	// match: (Com32 x)
  1210  	// cond:
  1211  	// result: (NOTW x)
  1212  	for {
  1213  		x := v.Args[0]
  1214  		v.reset(OpS390XNOTW)
  1215  		v.AddArg(x)
  1216  		return true
  1217  	}
  1218  }
  1219  func rewriteValueS390X_OpCom64(v *Value, config *Config) bool {
  1220  	b := v.Block
  1221  	_ = b
  1222  	// match: (Com64 x)
  1223  	// cond:
  1224  	// result: (NOT x)
  1225  	for {
  1226  		x := v.Args[0]
  1227  		v.reset(OpS390XNOT)
  1228  		v.AddArg(x)
  1229  		return true
  1230  	}
  1231  }
  1232  func rewriteValueS390X_OpCom8(v *Value, config *Config) bool {
  1233  	b := v.Block
  1234  	_ = b
  1235  	// match: (Com8  x)
  1236  	// cond:
  1237  	// result: (NOTW x)
  1238  	for {
  1239  		x := v.Args[0]
  1240  		v.reset(OpS390XNOTW)
  1241  		v.AddArg(x)
  1242  		return true
  1243  	}
  1244  }
  1245  func rewriteValueS390X_OpConst16(v *Value, config *Config) bool {
  1246  	b := v.Block
  1247  	_ = b
  1248  	// match: (Const16  [val])
  1249  	// cond:
  1250  	// result: (MOVDconst [val])
  1251  	for {
  1252  		val := v.AuxInt
  1253  		v.reset(OpS390XMOVDconst)
  1254  		v.AuxInt = val
  1255  		return true
  1256  	}
  1257  }
  1258  func rewriteValueS390X_OpConst32(v *Value, config *Config) bool {
  1259  	b := v.Block
  1260  	_ = b
  1261  	// match: (Const32  [val])
  1262  	// cond:
  1263  	// result: (MOVDconst [val])
  1264  	for {
  1265  		val := v.AuxInt
  1266  		v.reset(OpS390XMOVDconst)
  1267  		v.AuxInt = val
  1268  		return true
  1269  	}
  1270  }
  1271  func rewriteValueS390X_OpConst32F(v *Value, config *Config) bool {
  1272  	b := v.Block
  1273  	_ = b
  1274  	// match: (Const32F [val])
  1275  	// cond:
  1276  	// result: (FMOVSconst [val])
  1277  	for {
  1278  		val := v.AuxInt
  1279  		v.reset(OpS390XFMOVSconst)
  1280  		v.AuxInt = val
  1281  		return true
  1282  	}
  1283  }
  1284  func rewriteValueS390X_OpConst64(v *Value, config *Config) bool {
  1285  	b := v.Block
  1286  	_ = b
  1287  	// match: (Const64  [val])
  1288  	// cond:
  1289  	// result: (MOVDconst [val])
  1290  	for {
  1291  		val := v.AuxInt
  1292  		v.reset(OpS390XMOVDconst)
  1293  		v.AuxInt = val
  1294  		return true
  1295  	}
  1296  }
  1297  func rewriteValueS390X_OpConst64F(v *Value, config *Config) bool {
  1298  	b := v.Block
  1299  	_ = b
  1300  	// match: (Const64F [val])
  1301  	// cond:
  1302  	// result: (FMOVDconst [val])
  1303  	for {
  1304  		val := v.AuxInt
  1305  		v.reset(OpS390XFMOVDconst)
  1306  		v.AuxInt = val
  1307  		return true
  1308  	}
  1309  }
  1310  func rewriteValueS390X_OpConst8(v *Value, config *Config) bool {
  1311  	b := v.Block
  1312  	_ = b
  1313  	// match: (Const8   [val])
  1314  	// cond:
  1315  	// result: (MOVDconst [val])
  1316  	for {
  1317  		val := v.AuxInt
  1318  		v.reset(OpS390XMOVDconst)
  1319  		v.AuxInt = val
  1320  		return true
  1321  	}
  1322  }
  1323  func rewriteValueS390X_OpConstBool(v *Value, config *Config) bool {
  1324  	b := v.Block
  1325  	_ = b
  1326  	// match: (ConstBool [b])
  1327  	// cond:
  1328  	// result: (MOVDconst [b])
  1329  	for {
  1330  		b := v.AuxInt
  1331  		v.reset(OpS390XMOVDconst)
  1332  		v.AuxInt = b
  1333  		return true
  1334  	}
  1335  }
  1336  func rewriteValueS390X_OpConstNil(v *Value, config *Config) bool {
  1337  	b := v.Block
  1338  	_ = b
  1339  	// match: (ConstNil)
  1340  	// cond:
  1341  	// result: (MOVDconst [0])
  1342  	for {
  1343  		v.reset(OpS390XMOVDconst)
  1344  		v.AuxInt = 0
  1345  		return true
  1346  	}
  1347  }
  1348  func rewriteValueS390X_OpConvert(v *Value, config *Config) bool {
  1349  	b := v.Block
  1350  	_ = b
  1351  	// match: (Convert <t> x mem)
  1352  	// cond:
  1353  	// result: (MOVDconvert <t> x mem)
  1354  	for {
  1355  		t := v.Type
  1356  		x := v.Args[0]
  1357  		mem := v.Args[1]
  1358  		v.reset(OpS390XMOVDconvert)
  1359  		v.Type = t
  1360  		v.AddArg(x)
  1361  		v.AddArg(mem)
  1362  		return true
  1363  	}
  1364  }
  1365  func rewriteValueS390X_OpCtz32(v *Value, config *Config) bool {
  1366  	b := v.Block
  1367  	_ = b
  1368  	// match: (Ctz32 <t> x)
  1369  	// cond:
  1370  	// result: (SUB (MOVDconst [64]) (FLOGR (MOVWZreg (ANDW <t> (SUBWconst <t> [1] x) (NOTW <t> x)))))
  1371  	for {
  1372  		t := v.Type
  1373  		x := v.Args[0]
  1374  		v.reset(OpS390XSUB)
  1375  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1376  		v0.AuxInt = 64
  1377  		v.AddArg(v0)
  1378  		v1 := b.NewValue0(v.Line, OpS390XFLOGR, config.fe.TypeUInt64())
  1379  		v2 := b.NewValue0(v.Line, OpS390XMOVWZreg, config.fe.TypeUInt64())
  1380  		v3 := b.NewValue0(v.Line, OpS390XANDW, t)
  1381  		v4 := b.NewValue0(v.Line, OpS390XSUBWconst, t)
  1382  		v4.AuxInt = 1
  1383  		v4.AddArg(x)
  1384  		v3.AddArg(v4)
  1385  		v5 := b.NewValue0(v.Line, OpS390XNOTW, t)
  1386  		v5.AddArg(x)
  1387  		v3.AddArg(v5)
  1388  		v2.AddArg(v3)
  1389  		v1.AddArg(v2)
  1390  		v.AddArg(v1)
  1391  		return true
  1392  	}
  1393  }
  1394  func rewriteValueS390X_OpCtz64(v *Value, config *Config) bool {
  1395  	b := v.Block
  1396  	_ = b
  1397  	// match: (Ctz64 <t> x)
  1398  	// cond:
  1399  	// result: (SUB (MOVDconst [64]) (FLOGR (AND <t> (SUBconst <t> [1] x) (NOT <t> x))))
  1400  	for {
  1401  		t := v.Type
  1402  		x := v.Args[0]
  1403  		v.reset(OpS390XSUB)
  1404  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1405  		v0.AuxInt = 64
  1406  		v.AddArg(v0)
  1407  		v1 := b.NewValue0(v.Line, OpS390XFLOGR, config.fe.TypeUInt64())
  1408  		v2 := b.NewValue0(v.Line, OpS390XAND, t)
  1409  		v3 := b.NewValue0(v.Line, OpS390XSUBconst, t)
  1410  		v3.AuxInt = 1
  1411  		v3.AddArg(x)
  1412  		v2.AddArg(v3)
  1413  		v4 := b.NewValue0(v.Line, OpS390XNOT, t)
  1414  		v4.AddArg(x)
  1415  		v2.AddArg(v4)
  1416  		v1.AddArg(v2)
  1417  		v.AddArg(v1)
  1418  		return true
  1419  	}
  1420  }
  1421  func rewriteValueS390X_OpCvt32Fto32(v *Value, config *Config) bool {
  1422  	b := v.Block
  1423  	_ = b
  1424  	// match: (Cvt32Fto32 x)
  1425  	// cond:
  1426  	// result: (CFEBRA x)
  1427  	for {
  1428  		x := v.Args[0]
  1429  		v.reset(OpS390XCFEBRA)
  1430  		v.AddArg(x)
  1431  		return true
  1432  	}
  1433  }
  1434  func rewriteValueS390X_OpCvt32Fto64(v *Value, config *Config) bool {
  1435  	b := v.Block
  1436  	_ = b
  1437  	// match: (Cvt32Fto64 x)
  1438  	// cond:
  1439  	// result: (CGEBRA x)
  1440  	for {
  1441  		x := v.Args[0]
  1442  		v.reset(OpS390XCGEBRA)
  1443  		v.AddArg(x)
  1444  		return true
  1445  	}
  1446  }
  1447  func rewriteValueS390X_OpCvt32Fto64F(v *Value, config *Config) bool {
  1448  	b := v.Block
  1449  	_ = b
  1450  	// match: (Cvt32Fto64F x)
  1451  	// cond:
  1452  	// result: (LDEBR x)
  1453  	for {
  1454  		x := v.Args[0]
  1455  		v.reset(OpS390XLDEBR)
  1456  		v.AddArg(x)
  1457  		return true
  1458  	}
  1459  }
  1460  func rewriteValueS390X_OpCvt32to32F(v *Value, config *Config) bool {
  1461  	b := v.Block
  1462  	_ = b
  1463  	// match: (Cvt32to32F x)
  1464  	// cond:
  1465  	// result: (CEFBRA x)
  1466  	for {
  1467  		x := v.Args[0]
  1468  		v.reset(OpS390XCEFBRA)
  1469  		v.AddArg(x)
  1470  		return true
  1471  	}
  1472  }
  1473  func rewriteValueS390X_OpCvt32to64F(v *Value, config *Config) bool {
  1474  	b := v.Block
  1475  	_ = b
  1476  	// match: (Cvt32to64F x)
  1477  	// cond:
  1478  	// result: (CDFBRA x)
  1479  	for {
  1480  		x := v.Args[0]
  1481  		v.reset(OpS390XCDFBRA)
  1482  		v.AddArg(x)
  1483  		return true
  1484  	}
  1485  }
  1486  func rewriteValueS390X_OpCvt64Fto32(v *Value, config *Config) bool {
  1487  	b := v.Block
  1488  	_ = b
  1489  	// match: (Cvt64Fto32 x)
  1490  	// cond:
  1491  	// result: (CFDBRA x)
  1492  	for {
  1493  		x := v.Args[0]
  1494  		v.reset(OpS390XCFDBRA)
  1495  		v.AddArg(x)
  1496  		return true
  1497  	}
  1498  }
  1499  func rewriteValueS390X_OpCvt64Fto32F(v *Value, config *Config) bool {
  1500  	b := v.Block
  1501  	_ = b
  1502  	// match: (Cvt64Fto32F x)
  1503  	// cond:
  1504  	// result: (LEDBR x)
  1505  	for {
  1506  		x := v.Args[0]
  1507  		v.reset(OpS390XLEDBR)
  1508  		v.AddArg(x)
  1509  		return true
  1510  	}
  1511  }
  1512  func rewriteValueS390X_OpCvt64Fto64(v *Value, config *Config) bool {
  1513  	b := v.Block
  1514  	_ = b
  1515  	// match: (Cvt64Fto64 x)
  1516  	// cond:
  1517  	// result: (CGDBRA x)
  1518  	for {
  1519  		x := v.Args[0]
  1520  		v.reset(OpS390XCGDBRA)
  1521  		v.AddArg(x)
  1522  		return true
  1523  	}
  1524  }
  1525  func rewriteValueS390X_OpCvt64to32F(v *Value, config *Config) bool {
  1526  	b := v.Block
  1527  	_ = b
  1528  	// match: (Cvt64to32F x)
  1529  	// cond:
  1530  	// result: (CEGBRA x)
  1531  	for {
  1532  		x := v.Args[0]
  1533  		v.reset(OpS390XCEGBRA)
  1534  		v.AddArg(x)
  1535  		return true
  1536  	}
  1537  }
  1538  func rewriteValueS390X_OpCvt64to64F(v *Value, config *Config) bool {
  1539  	b := v.Block
  1540  	_ = b
  1541  	// match: (Cvt64to64F x)
  1542  	// cond:
  1543  	// result: (CDGBRA x)
  1544  	for {
  1545  		x := v.Args[0]
  1546  		v.reset(OpS390XCDGBRA)
  1547  		v.AddArg(x)
  1548  		return true
  1549  	}
  1550  }
  1551  func rewriteValueS390X_OpDeferCall(v *Value, config *Config) bool {
  1552  	b := v.Block
  1553  	_ = b
  1554  	// match: (DeferCall [argwid] mem)
  1555  	// cond:
  1556  	// result: (CALLdefer [argwid] mem)
  1557  	for {
  1558  		argwid := v.AuxInt
  1559  		mem := v.Args[0]
  1560  		v.reset(OpS390XCALLdefer)
  1561  		v.AuxInt = argwid
  1562  		v.AddArg(mem)
  1563  		return true
  1564  	}
  1565  }
  1566  func rewriteValueS390X_OpDiv16(v *Value, config *Config) bool {
  1567  	b := v.Block
  1568  	_ = b
  1569  	// match: (Div16  x y)
  1570  	// cond:
  1571  	// result: (DIVW  (MOVHreg x) (MOVHreg y))
  1572  	for {
  1573  		x := v.Args[0]
  1574  		y := v.Args[1]
  1575  		v.reset(OpS390XDIVW)
  1576  		v0 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  1577  		v0.AddArg(x)
  1578  		v.AddArg(v0)
  1579  		v1 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  1580  		v1.AddArg(y)
  1581  		v.AddArg(v1)
  1582  		return true
  1583  	}
  1584  }
  1585  func rewriteValueS390X_OpDiv16u(v *Value, config *Config) bool {
  1586  	b := v.Block
  1587  	_ = b
  1588  	// match: (Div16u x y)
  1589  	// cond:
  1590  	// result: (DIVWU (MOVHZreg x) (MOVHZreg y))
  1591  	for {
  1592  		x := v.Args[0]
  1593  		y := v.Args[1]
  1594  		v.reset(OpS390XDIVWU)
  1595  		v0 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  1596  		v0.AddArg(x)
  1597  		v.AddArg(v0)
  1598  		v1 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  1599  		v1.AddArg(y)
  1600  		v.AddArg(v1)
  1601  		return true
  1602  	}
  1603  }
  1604  func rewriteValueS390X_OpDiv32(v *Value, config *Config) bool {
  1605  	b := v.Block
  1606  	_ = b
  1607  	// match: (Div32  x y)
  1608  	// cond:
  1609  	// result: (DIVW  (MOVWreg x) y)
  1610  	for {
  1611  		x := v.Args[0]
  1612  		y := v.Args[1]
  1613  		v.reset(OpS390XDIVW)
  1614  		v0 := b.NewValue0(v.Line, OpS390XMOVWreg, config.fe.TypeInt64())
  1615  		v0.AddArg(x)
  1616  		v.AddArg(v0)
  1617  		v.AddArg(y)
  1618  		return true
  1619  	}
  1620  }
  1621  func rewriteValueS390X_OpDiv32F(v *Value, config *Config) bool {
  1622  	b := v.Block
  1623  	_ = b
  1624  	// match: (Div32F x y)
  1625  	// cond:
  1626  	// result: (FDIVS x y)
  1627  	for {
  1628  		x := v.Args[0]
  1629  		y := v.Args[1]
  1630  		v.reset(OpS390XFDIVS)
  1631  		v.AddArg(x)
  1632  		v.AddArg(y)
  1633  		return true
  1634  	}
  1635  }
  1636  func rewriteValueS390X_OpDiv32u(v *Value, config *Config) bool {
  1637  	b := v.Block
  1638  	_ = b
  1639  	// match: (Div32u x y)
  1640  	// cond:
  1641  	// result: (DIVWU (MOVWZreg x) y)
  1642  	for {
  1643  		x := v.Args[0]
  1644  		y := v.Args[1]
  1645  		v.reset(OpS390XDIVWU)
  1646  		v0 := b.NewValue0(v.Line, OpS390XMOVWZreg, config.fe.TypeUInt64())
  1647  		v0.AddArg(x)
  1648  		v.AddArg(v0)
  1649  		v.AddArg(y)
  1650  		return true
  1651  	}
  1652  }
  1653  func rewriteValueS390X_OpDiv64(v *Value, config *Config) bool {
  1654  	b := v.Block
  1655  	_ = b
  1656  	// match: (Div64  x y)
  1657  	// cond:
  1658  	// result: (DIVD  x y)
  1659  	for {
  1660  		x := v.Args[0]
  1661  		y := v.Args[1]
  1662  		v.reset(OpS390XDIVD)
  1663  		v.AddArg(x)
  1664  		v.AddArg(y)
  1665  		return true
  1666  	}
  1667  }
  1668  func rewriteValueS390X_OpDiv64F(v *Value, config *Config) bool {
  1669  	b := v.Block
  1670  	_ = b
  1671  	// match: (Div64F x y)
  1672  	// cond:
  1673  	// result: (FDIV x y)
  1674  	for {
  1675  		x := v.Args[0]
  1676  		y := v.Args[1]
  1677  		v.reset(OpS390XFDIV)
  1678  		v.AddArg(x)
  1679  		v.AddArg(y)
  1680  		return true
  1681  	}
  1682  }
  1683  func rewriteValueS390X_OpDiv64u(v *Value, config *Config) bool {
  1684  	b := v.Block
  1685  	_ = b
  1686  	// match: (Div64u x y)
  1687  	// cond:
  1688  	// result: (DIVDU x y)
  1689  	for {
  1690  		x := v.Args[0]
  1691  		y := v.Args[1]
  1692  		v.reset(OpS390XDIVDU)
  1693  		v.AddArg(x)
  1694  		v.AddArg(y)
  1695  		return true
  1696  	}
  1697  }
  1698  func rewriteValueS390X_OpDiv8(v *Value, config *Config) bool {
  1699  	b := v.Block
  1700  	_ = b
  1701  	// match: (Div8   x y)
  1702  	// cond:
  1703  	// result: (DIVW  (MOVBreg x) (MOVBreg y))
  1704  	for {
  1705  		x := v.Args[0]
  1706  		y := v.Args[1]
  1707  		v.reset(OpS390XDIVW)
  1708  		v0 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  1709  		v0.AddArg(x)
  1710  		v.AddArg(v0)
  1711  		v1 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  1712  		v1.AddArg(y)
  1713  		v.AddArg(v1)
  1714  		return true
  1715  	}
  1716  }
  1717  func rewriteValueS390X_OpDiv8u(v *Value, config *Config) bool {
  1718  	b := v.Block
  1719  	_ = b
  1720  	// match: (Div8u  x y)
  1721  	// cond:
  1722  	// result: (DIVWU (MOVBZreg x) (MOVBZreg y))
  1723  	for {
  1724  		x := v.Args[0]
  1725  		y := v.Args[1]
  1726  		v.reset(OpS390XDIVWU)
  1727  		v0 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  1728  		v0.AddArg(x)
  1729  		v.AddArg(v0)
  1730  		v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  1731  		v1.AddArg(y)
  1732  		v.AddArg(v1)
  1733  		return true
  1734  	}
  1735  }
  1736  func rewriteValueS390X_OpEq16(v *Value, config *Config) bool {
  1737  	b := v.Block
  1738  	_ = b
  1739  	// match: (Eq16  x y)
  1740  	// cond:
  1741  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  1742  	for {
  1743  		x := v.Args[0]
  1744  		y := v.Args[1]
  1745  		v.reset(OpS390XMOVDEQ)
  1746  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1747  		v0.AuxInt = 0
  1748  		v.AddArg(v0)
  1749  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1750  		v1.AuxInt = 1
  1751  		v.AddArg(v1)
  1752  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  1753  		v3 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  1754  		v3.AddArg(x)
  1755  		v2.AddArg(v3)
  1756  		v4 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  1757  		v4.AddArg(y)
  1758  		v2.AddArg(v4)
  1759  		v.AddArg(v2)
  1760  		return true
  1761  	}
  1762  }
  1763  func rewriteValueS390X_OpEq32(v *Value, config *Config) bool {
  1764  	b := v.Block
  1765  	_ = b
  1766  	// match: (Eq32  x y)
  1767  	// cond:
  1768  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  1769  	for {
  1770  		x := v.Args[0]
  1771  		y := v.Args[1]
  1772  		v.reset(OpS390XMOVDEQ)
  1773  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1774  		v0.AuxInt = 0
  1775  		v.AddArg(v0)
  1776  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1777  		v1.AuxInt = 1
  1778  		v.AddArg(v1)
  1779  		v2 := b.NewValue0(v.Line, OpS390XCMPW, TypeFlags)
  1780  		v2.AddArg(x)
  1781  		v2.AddArg(y)
  1782  		v.AddArg(v2)
  1783  		return true
  1784  	}
  1785  }
  1786  func rewriteValueS390X_OpEq32F(v *Value, config *Config) bool {
  1787  	b := v.Block
  1788  	_ = b
  1789  	// match: (Eq32F x y)
  1790  	// cond:
  1791  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (FCMPS x y))
  1792  	for {
  1793  		x := v.Args[0]
  1794  		y := v.Args[1]
  1795  		v.reset(OpS390XMOVDEQ)
  1796  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1797  		v0.AuxInt = 0
  1798  		v.AddArg(v0)
  1799  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1800  		v1.AuxInt = 1
  1801  		v.AddArg(v1)
  1802  		v2 := b.NewValue0(v.Line, OpS390XFCMPS, TypeFlags)
  1803  		v2.AddArg(x)
  1804  		v2.AddArg(y)
  1805  		v.AddArg(v2)
  1806  		return true
  1807  	}
  1808  }
  1809  func rewriteValueS390X_OpEq64(v *Value, config *Config) bool {
  1810  	b := v.Block
  1811  	_ = b
  1812  	// match: (Eq64  x y)
  1813  	// cond:
  1814  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  1815  	for {
  1816  		x := v.Args[0]
  1817  		y := v.Args[1]
  1818  		v.reset(OpS390XMOVDEQ)
  1819  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1820  		v0.AuxInt = 0
  1821  		v.AddArg(v0)
  1822  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1823  		v1.AuxInt = 1
  1824  		v.AddArg(v1)
  1825  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  1826  		v2.AddArg(x)
  1827  		v2.AddArg(y)
  1828  		v.AddArg(v2)
  1829  		return true
  1830  	}
  1831  }
  1832  func rewriteValueS390X_OpEq64F(v *Value, config *Config) bool {
  1833  	b := v.Block
  1834  	_ = b
  1835  	// match: (Eq64F x y)
  1836  	// cond:
  1837  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (FCMP x y))
  1838  	for {
  1839  		x := v.Args[0]
  1840  		y := v.Args[1]
  1841  		v.reset(OpS390XMOVDEQ)
  1842  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1843  		v0.AuxInt = 0
  1844  		v.AddArg(v0)
  1845  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1846  		v1.AuxInt = 1
  1847  		v.AddArg(v1)
  1848  		v2 := b.NewValue0(v.Line, OpS390XFCMP, TypeFlags)
  1849  		v2.AddArg(x)
  1850  		v2.AddArg(y)
  1851  		v.AddArg(v2)
  1852  		return true
  1853  	}
  1854  }
  1855  func rewriteValueS390X_OpEq8(v *Value, config *Config) bool {
  1856  	b := v.Block
  1857  	_ = b
  1858  	// match: (Eq8   x y)
  1859  	// cond:
  1860  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  1861  	for {
  1862  		x := v.Args[0]
  1863  		y := v.Args[1]
  1864  		v.reset(OpS390XMOVDEQ)
  1865  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1866  		v0.AuxInt = 0
  1867  		v.AddArg(v0)
  1868  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1869  		v1.AuxInt = 1
  1870  		v.AddArg(v1)
  1871  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  1872  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  1873  		v3.AddArg(x)
  1874  		v2.AddArg(v3)
  1875  		v4 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  1876  		v4.AddArg(y)
  1877  		v2.AddArg(v4)
  1878  		v.AddArg(v2)
  1879  		return true
  1880  	}
  1881  }
  1882  func rewriteValueS390X_OpEqB(v *Value, config *Config) bool {
  1883  	b := v.Block
  1884  	_ = b
  1885  	// match: (EqB   x y)
  1886  	// cond:
  1887  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  1888  	for {
  1889  		x := v.Args[0]
  1890  		y := v.Args[1]
  1891  		v.reset(OpS390XMOVDEQ)
  1892  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1893  		v0.AuxInt = 0
  1894  		v.AddArg(v0)
  1895  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1896  		v1.AuxInt = 1
  1897  		v.AddArg(v1)
  1898  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  1899  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  1900  		v3.AddArg(x)
  1901  		v2.AddArg(v3)
  1902  		v4 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  1903  		v4.AddArg(y)
  1904  		v2.AddArg(v4)
  1905  		v.AddArg(v2)
  1906  		return true
  1907  	}
  1908  }
  1909  func rewriteValueS390X_OpEqPtr(v *Value, config *Config) bool {
  1910  	b := v.Block
  1911  	_ = b
  1912  	// match: (EqPtr x y)
  1913  	// cond:
  1914  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  1915  	for {
  1916  		x := v.Args[0]
  1917  		y := v.Args[1]
  1918  		v.reset(OpS390XMOVDEQ)
  1919  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1920  		v0.AuxInt = 0
  1921  		v.AddArg(v0)
  1922  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1923  		v1.AuxInt = 1
  1924  		v.AddArg(v1)
  1925  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  1926  		v2.AddArg(x)
  1927  		v2.AddArg(y)
  1928  		v.AddArg(v2)
  1929  		return true
  1930  	}
  1931  }
  1932  func rewriteValueS390X_OpGeq16(v *Value, config *Config) bool {
  1933  	b := v.Block
  1934  	_ = b
  1935  	// match: (Geq16  x y)
  1936  	// cond:
  1937  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  1938  	for {
  1939  		x := v.Args[0]
  1940  		y := v.Args[1]
  1941  		v.reset(OpS390XMOVDGE)
  1942  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1943  		v0.AuxInt = 0
  1944  		v.AddArg(v0)
  1945  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1946  		v1.AuxInt = 1
  1947  		v.AddArg(v1)
  1948  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  1949  		v3 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  1950  		v3.AddArg(x)
  1951  		v2.AddArg(v3)
  1952  		v4 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  1953  		v4.AddArg(y)
  1954  		v2.AddArg(v4)
  1955  		v.AddArg(v2)
  1956  		return true
  1957  	}
  1958  }
  1959  func rewriteValueS390X_OpGeq16U(v *Value, config *Config) bool {
  1960  	b := v.Block
  1961  	_ = b
  1962  	// match: (Geq16U x y)
  1963  	// cond:
  1964  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVHZreg x) (MOVHZreg y)))
  1965  	for {
  1966  		x := v.Args[0]
  1967  		y := v.Args[1]
  1968  		v.reset(OpS390XMOVDGE)
  1969  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1970  		v0.AuxInt = 0
  1971  		v.AddArg(v0)
  1972  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1973  		v1.AuxInt = 1
  1974  		v.AddArg(v1)
  1975  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  1976  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  1977  		v3.AddArg(x)
  1978  		v2.AddArg(v3)
  1979  		v4 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  1980  		v4.AddArg(y)
  1981  		v2.AddArg(v4)
  1982  		v.AddArg(v2)
  1983  		return true
  1984  	}
  1985  }
  1986  func rewriteValueS390X_OpGeq32(v *Value, config *Config) bool {
  1987  	b := v.Block
  1988  	_ = b
  1989  	// match: (Geq32  x y)
  1990  	// cond:
  1991  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  1992  	for {
  1993  		x := v.Args[0]
  1994  		y := v.Args[1]
  1995  		v.reset(OpS390XMOVDGE)
  1996  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1997  		v0.AuxInt = 0
  1998  		v.AddArg(v0)
  1999  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2000  		v1.AuxInt = 1
  2001  		v.AddArg(v1)
  2002  		v2 := b.NewValue0(v.Line, OpS390XCMPW, TypeFlags)
  2003  		v2.AddArg(x)
  2004  		v2.AddArg(y)
  2005  		v.AddArg(v2)
  2006  		return true
  2007  	}
  2008  }
  2009  func rewriteValueS390X_OpGeq32F(v *Value, config *Config) bool {
  2010  	b := v.Block
  2011  	_ = b
  2012  	// match: (Geq32F x y)
  2013  	// cond:
  2014  	// result: (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMPS x y))
  2015  	for {
  2016  		x := v.Args[0]
  2017  		y := v.Args[1]
  2018  		v.reset(OpS390XMOVDGEnoinv)
  2019  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2020  		v0.AuxInt = 0
  2021  		v.AddArg(v0)
  2022  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2023  		v1.AuxInt = 1
  2024  		v.AddArg(v1)
  2025  		v2 := b.NewValue0(v.Line, OpS390XFCMPS, TypeFlags)
  2026  		v2.AddArg(x)
  2027  		v2.AddArg(y)
  2028  		v.AddArg(v2)
  2029  		return true
  2030  	}
  2031  }
  2032  func rewriteValueS390X_OpGeq32U(v *Value, config *Config) bool {
  2033  	b := v.Block
  2034  	_ = b
  2035  	// match: (Geq32U x y)
  2036  	// cond:
  2037  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPWU x y))
  2038  	for {
  2039  		x := v.Args[0]
  2040  		y := v.Args[1]
  2041  		v.reset(OpS390XMOVDGE)
  2042  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2043  		v0.AuxInt = 0
  2044  		v.AddArg(v0)
  2045  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2046  		v1.AuxInt = 1
  2047  		v.AddArg(v1)
  2048  		v2 := b.NewValue0(v.Line, OpS390XCMPWU, TypeFlags)
  2049  		v2.AddArg(x)
  2050  		v2.AddArg(y)
  2051  		v.AddArg(v2)
  2052  		return true
  2053  	}
  2054  }
  2055  func rewriteValueS390X_OpGeq64(v *Value, config *Config) bool {
  2056  	b := v.Block
  2057  	_ = b
  2058  	// match: (Geq64  x y)
  2059  	// cond:
  2060  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  2061  	for {
  2062  		x := v.Args[0]
  2063  		y := v.Args[1]
  2064  		v.reset(OpS390XMOVDGE)
  2065  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2066  		v0.AuxInt = 0
  2067  		v.AddArg(v0)
  2068  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2069  		v1.AuxInt = 1
  2070  		v.AddArg(v1)
  2071  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2072  		v2.AddArg(x)
  2073  		v2.AddArg(y)
  2074  		v.AddArg(v2)
  2075  		return true
  2076  	}
  2077  }
  2078  func rewriteValueS390X_OpGeq64F(v *Value, config *Config) bool {
  2079  	b := v.Block
  2080  	_ = b
  2081  	// match: (Geq64F x y)
  2082  	// cond:
  2083  	// result: (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMP x y))
  2084  	for {
  2085  		x := v.Args[0]
  2086  		y := v.Args[1]
  2087  		v.reset(OpS390XMOVDGEnoinv)
  2088  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2089  		v0.AuxInt = 0
  2090  		v.AddArg(v0)
  2091  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2092  		v1.AuxInt = 1
  2093  		v.AddArg(v1)
  2094  		v2 := b.NewValue0(v.Line, OpS390XFCMP, TypeFlags)
  2095  		v2.AddArg(x)
  2096  		v2.AddArg(y)
  2097  		v.AddArg(v2)
  2098  		return true
  2099  	}
  2100  }
  2101  func rewriteValueS390X_OpGeq64U(v *Value, config *Config) bool {
  2102  	b := v.Block
  2103  	_ = b
  2104  	// match: (Geq64U x y)
  2105  	// cond:
  2106  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPU x y))
  2107  	for {
  2108  		x := v.Args[0]
  2109  		y := v.Args[1]
  2110  		v.reset(OpS390XMOVDGE)
  2111  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2112  		v0.AuxInt = 0
  2113  		v.AddArg(v0)
  2114  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2115  		v1.AuxInt = 1
  2116  		v.AddArg(v1)
  2117  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2118  		v2.AddArg(x)
  2119  		v2.AddArg(y)
  2120  		v.AddArg(v2)
  2121  		return true
  2122  	}
  2123  }
  2124  func rewriteValueS390X_OpGeq8(v *Value, config *Config) bool {
  2125  	b := v.Block
  2126  	_ = b
  2127  	// match: (Geq8   x y)
  2128  	// cond:
  2129  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  2130  	for {
  2131  		x := v.Args[0]
  2132  		y := v.Args[1]
  2133  		v.reset(OpS390XMOVDGE)
  2134  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2135  		v0.AuxInt = 0
  2136  		v.AddArg(v0)
  2137  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2138  		v1.AuxInt = 1
  2139  		v.AddArg(v1)
  2140  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2141  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  2142  		v3.AddArg(x)
  2143  		v2.AddArg(v3)
  2144  		v4 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  2145  		v4.AddArg(y)
  2146  		v2.AddArg(v4)
  2147  		v.AddArg(v2)
  2148  		return true
  2149  	}
  2150  }
  2151  func rewriteValueS390X_OpGeq8U(v *Value, config *Config) bool {
  2152  	b := v.Block
  2153  	_ = b
  2154  	// match: (Geq8U  x y)
  2155  	// cond:
  2156  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVBZreg x) (MOVBZreg y)))
  2157  	for {
  2158  		x := v.Args[0]
  2159  		y := v.Args[1]
  2160  		v.reset(OpS390XMOVDGE)
  2161  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2162  		v0.AuxInt = 0
  2163  		v.AddArg(v0)
  2164  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2165  		v1.AuxInt = 1
  2166  		v.AddArg(v1)
  2167  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2168  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2169  		v3.AddArg(x)
  2170  		v2.AddArg(v3)
  2171  		v4 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2172  		v4.AddArg(y)
  2173  		v2.AddArg(v4)
  2174  		v.AddArg(v2)
  2175  		return true
  2176  	}
  2177  }
  2178  func rewriteValueS390X_OpGetClosurePtr(v *Value, config *Config) bool {
  2179  	b := v.Block
  2180  	_ = b
  2181  	// match: (GetClosurePtr)
  2182  	// cond:
  2183  	// result: (LoweredGetClosurePtr)
  2184  	for {
  2185  		v.reset(OpS390XLoweredGetClosurePtr)
  2186  		return true
  2187  	}
  2188  }
  2189  func rewriteValueS390X_OpGetG(v *Value, config *Config) bool {
  2190  	b := v.Block
  2191  	_ = b
  2192  	// match: (GetG mem)
  2193  	// cond:
  2194  	// result: (LoweredGetG mem)
  2195  	for {
  2196  		mem := v.Args[0]
  2197  		v.reset(OpS390XLoweredGetG)
  2198  		v.AddArg(mem)
  2199  		return true
  2200  	}
  2201  }
  2202  func rewriteValueS390X_OpGoCall(v *Value, config *Config) bool {
  2203  	b := v.Block
  2204  	_ = b
  2205  	// match: (GoCall [argwid] mem)
  2206  	// cond:
  2207  	// result: (CALLgo [argwid] mem)
  2208  	for {
  2209  		argwid := v.AuxInt
  2210  		mem := v.Args[0]
  2211  		v.reset(OpS390XCALLgo)
  2212  		v.AuxInt = argwid
  2213  		v.AddArg(mem)
  2214  		return true
  2215  	}
  2216  }
  2217  func rewriteValueS390X_OpGreater16(v *Value, config *Config) bool {
  2218  	b := v.Block
  2219  	_ = b
  2220  	// match: (Greater16  x y)
  2221  	// cond:
  2222  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  2223  	for {
  2224  		x := v.Args[0]
  2225  		y := v.Args[1]
  2226  		v.reset(OpS390XMOVDGT)
  2227  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2228  		v0.AuxInt = 0
  2229  		v.AddArg(v0)
  2230  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2231  		v1.AuxInt = 1
  2232  		v.AddArg(v1)
  2233  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2234  		v3 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  2235  		v3.AddArg(x)
  2236  		v2.AddArg(v3)
  2237  		v4 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  2238  		v4.AddArg(y)
  2239  		v2.AddArg(v4)
  2240  		v.AddArg(v2)
  2241  		return true
  2242  	}
  2243  }
  2244  func rewriteValueS390X_OpGreater16U(v *Value, config *Config) bool {
  2245  	b := v.Block
  2246  	_ = b
  2247  	// match: (Greater16U x y)
  2248  	// cond:
  2249  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVHZreg x) (MOVHZreg y)))
  2250  	for {
  2251  		x := v.Args[0]
  2252  		y := v.Args[1]
  2253  		v.reset(OpS390XMOVDGT)
  2254  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2255  		v0.AuxInt = 0
  2256  		v.AddArg(v0)
  2257  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2258  		v1.AuxInt = 1
  2259  		v.AddArg(v1)
  2260  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2261  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2262  		v3.AddArg(x)
  2263  		v2.AddArg(v3)
  2264  		v4 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2265  		v4.AddArg(y)
  2266  		v2.AddArg(v4)
  2267  		v.AddArg(v2)
  2268  		return true
  2269  	}
  2270  }
  2271  func rewriteValueS390X_OpGreater32(v *Value, config *Config) bool {
  2272  	b := v.Block
  2273  	_ = b
  2274  	// match: (Greater32  x y)
  2275  	// cond:
  2276  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  2277  	for {
  2278  		x := v.Args[0]
  2279  		y := v.Args[1]
  2280  		v.reset(OpS390XMOVDGT)
  2281  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2282  		v0.AuxInt = 0
  2283  		v.AddArg(v0)
  2284  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2285  		v1.AuxInt = 1
  2286  		v.AddArg(v1)
  2287  		v2 := b.NewValue0(v.Line, OpS390XCMPW, TypeFlags)
  2288  		v2.AddArg(x)
  2289  		v2.AddArg(y)
  2290  		v.AddArg(v2)
  2291  		return true
  2292  	}
  2293  }
  2294  func rewriteValueS390X_OpGreater32F(v *Value, config *Config) bool {
  2295  	b := v.Block
  2296  	_ = b
  2297  	// match: (Greater32F x y)
  2298  	// cond:
  2299  	// result: (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMPS x y))
  2300  	for {
  2301  		x := v.Args[0]
  2302  		y := v.Args[1]
  2303  		v.reset(OpS390XMOVDGTnoinv)
  2304  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2305  		v0.AuxInt = 0
  2306  		v.AddArg(v0)
  2307  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2308  		v1.AuxInt = 1
  2309  		v.AddArg(v1)
  2310  		v2 := b.NewValue0(v.Line, OpS390XFCMPS, TypeFlags)
  2311  		v2.AddArg(x)
  2312  		v2.AddArg(y)
  2313  		v.AddArg(v2)
  2314  		return true
  2315  	}
  2316  }
  2317  func rewriteValueS390X_OpGreater32U(v *Value, config *Config) bool {
  2318  	b := v.Block
  2319  	_ = b
  2320  	// match: (Greater32U x y)
  2321  	// cond:
  2322  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPWU x y))
  2323  	for {
  2324  		x := v.Args[0]
  2325  		y := v.Args[1]
  2326  		v.reset(OpS390XMOVDGT)
  2327  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2328  		v0.AuxInt = 0
  2329  		v.AddArg(v0)
  2330  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2331  		v1.AuxInt = 1
  2332  		v.AddArg(v1)
  2333  		v2 := b.NewValue0(v.Line, OpS390XCMPWU, TypeFlags)
  2334  		v2.AddArg(x)
  2335  		v2.AddArg(y)
  2336  		v.AddArg(v2)
  2337  		return true
  2338  	}
  2339  }
  2340  func rewriteValueS390X_OpGreater64(v *Value, config *Config) bool {
  2341  	b := v.Block
  2342  	_ = b
  2343  	// match: (Greater64  x y)
  2344  	// cond:
  2345  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  2346  	for {
  2347  		x := v.Args[0]
  2348  		y := v.Args[1]
  2349  		v.reset(OpS390XMOVDGT)
  2350  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2351  		v0.AuxInt = 0
  2352  		v.AddArg(v0)
  2353  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2354  		v1.AuxInt = 1
  2355  		v.AddArg(v1)
  2356  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2357  		v2.AddArg(x)
  2358  		v2.AddArg(y)
  2359  		v.AddArg(v2)
  2360  		return true
  2361  	}
  2362  }
  2363  func rewriteValueS390X_OpGreater64F(v *Value, config *Config) bool {
  2364  	b := v.Block
  2365  	_ = b
  2366  	// match: (Greater64F x y)
  2367  	// cond:
  2368  	// result: (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMP x y))
  2369  	for {
  2370  		x := v.Args[0]
  2371  		y := v.Args[1]
  2372  		v.reset(OpS390XMOVDGTnoinv)
  2373  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2374  		v0.AuxInt = 0
  2375  		v.AddArg(v0)
  2376  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2377  		v1.AuxInt = 1
  2378  		v.AddArg(v1)
  2379  		v2 := b.NewValue0(v.Line, OpS390XFCMP, TypeFlags)
  2380  		v2.AddArg(x)
  2381  		v2.AddArg(y)
  2382  		v.AddArg(v2)
  2383  		return true
  2384  	}
  2385  }
  2386  func rewriteValueS390X_OpGreater64U(v *Value, config *Config) bool {
  2387  	b := v.Block
  2388  	_ = b
  2389  	// match: (Greater64U x y)
  2390  	// cond:
  2391  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPU x y))
  2392  	for {
  2393  		x := v.Args[0]
  2394  		y := v.Args[1]
  2395  		v.reset(OpS390XMOVDGT)
  2396  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2397  		v0.AuxInt = 0
  2398  		v.AddArg(v0)
  2399  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2400  		v1.AuxInt = 1
  2401  		v.AddArg(v1)
  2402  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2403  		v2.AddArg(x)
  2404  		v2.AddArg(y)
  2405  		v.AddArg(v2)
  2406  		return true
  2407  	}
  2408  }
  2409  func rewriteValueS390X_OpGreater8(v *Value, config *Config) bool {
  2410  	b := v.Block
  2411  	_ = b
  2412  	// match: (Greater8   x y)
  2413  	// cond:
  2414  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  2415  	for {
  2416  		x := v.Args[0]
  2417  		y := v.Args[1]
  2418  		v.reset(OpS390XMOVDGT)
  2419  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2420  		v0.AuxInt = 0
  2421  		v.AddArg(v0)
  2422  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2423  		v1.AuxInt = 1
  2424  		v.AddArg(v1)
  2425  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2426  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  2427  		v3.AddArg(x)
  2428  		v2.AddArg(v3)
  2429  		v4 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  2430  		v4.AddArg(y)
  2431  		v2.AddArg(v4)
  2432  		v.AddArg(v2)
  2433  		return true
  2434  	}
  2435  }
  2436  func rewriteValueS390X_OpGreater8U(v *Value, config *Config) bool {
  2437  	b := v.Block
  2438  	_ = b
  2439  	// match: (Greater8U  x y)
  2440  	// cond:
  2441  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVBZreg x) (MOVBZreg y)))
  2442  	for {
  2443  		x := v.Args[0]
  2444  		y := v.Args[1]
  2445  		v.reset(OpS390XMOVDGT)
  2446  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2447  		v0.AuxInt = 0
  2448  		v.AddArg(v0)
  2449  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2450  		v1.AuxInt = 1
  2451  		v.AddArg(v1)
  2452  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2453  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2454  		v3.AddArg(x)
  2455  		v2.AddArg(v3)
  2456  		v4 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2457  		v4.AddArg(y)
  2458  		v2.AddArg(v4)
  2459  		v.AddArg(v2)
  2460  		return true
  2461  	}
  2462  }
  2463  func rewriteValueS390X_OpHmul16(v *Value, config *Config) bool {
  2464  	b := v.Block
  2465  	_ = b
  2466  	// match: (Hmul16  x y)
  2467  	// cond:
  2468  	// result: (SRDconst [16] (MULLW (MOVHreg x) (MOVHreg y)))
  2469  	for {
  2470  		x := v.Args[0]
  2471  		y := v.Args[1]
  2472  		v.reset(OpS390XSRDconst)
  2473  		v.AuxInt = 16
  2474  		v0 := b.NewValue0(v.Line, OpS390XMULLW, config.fe.TypeInt32())
  2475  		v1 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  2476  		v1.AddArg(x)
  2477  		v0.AddArg(v1)
  2478  		v2 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  2479  		v2.AddArg(y)
  2480  		v0.AddArg(v2)
  2481  		v.AddArg(v0)
  2482  		return true
  2483  	}
  2484  }
  2485  func rewriteValueS390X_OpHmul16u(v *Value, config *Config) bool {
  2486  	b := v.Block
  2487  	_ = b
  2488  	// match: (Hmul16u x y)
  2489  	// cond:
  2490  	// result: (SRDconst [16] (MULLW (MOVHZreg x) (MOVHZreg y)))
  2491  	for {
  2492  		x := v.Args[0]
  2493  		y := v.Args[1]
  2494  		v.reset(OpS390XSRDconst)
  2495  		v.AuxInt = 16
  2496  		v0 := b.NewValue0(v.Line, OpS390XMULLW, config.fe.TypeInt32())
  2497  		v1 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2498  		v1.AddArg(x)
  2499  		v0.AddArg(v1)
  2500  		v2 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2501  		v2.AddArg(y)
  2502  		v0.AddArg(v2)
  2503  		v.AddArg(v0)
  2504  		return true
  2505  	}
  2506  }
  2507  func rewriteValueS390X_OpHmul32(v *Value, config *Config) bool {
  2508  	b := v.Block
  2509  	_ = b
  2510  	// match: (Hmul32  x y)
  2511  	// cond:
  2512  	// result: (SRDconst [32] (MULLD (MOVWreg x) (MOVWreg y)))
  2513  	for {
  2514  		x := v.Args[0]
  2515  		y := v.Args[1]
  2516  		v.reset(OpS390XSRDconst)
  2517  		v.AuxInt = 32
  2518  		v0 := b.NewValue0(v.Line, OpS390XMULLD, config.fe.TypeInt64())
  2519  		v1 := b.NewValue0(v.Line, OpS390XMOVWreg, config.fe.TypeInt64())
  2520  		v1.AddArg(x)
  2521  		v0.AddArg(v1)
  2522  		v2 := b.NewValue0(v.Line, OpS390XMOVWreg, config.fe.TypeInt64())
  2523  		v2.AddArg(y)
  2524  		v0.AddArg(v2)
  2525  		v.AddArg(v0)
  2526  		return true
  2527  	}
  2528  }
  2529  func rewriteValueS390X_OpHmul32u(v *Value, config *Config) bool {
  2530  	b := v.Block
  2531  	_ = b
  2532  	// match: (Hmul32u x y)
  2533  	// cond:
  2534  	// result: (SRDconst [32] (MULLD (MOVWZreg x) (MOVWZreg y)))
  2535  	for {
  2536  		x := v.Args[0]
  2537  		y := v.Args[1]
  2538  		v.reset(OpS390XSRDconst)
  2539  		v.AuxInt = 32
  2540  		v0 := b.NewValue0(v.Line, OpS390XMULLD, config.fe.TypeInt64())
  2541  		v1 := b.NewValue0(v.Line, OpS390XMOVWZreg, config.fe.TypeUInt64())
  2542  		v1.AddArg(x)
  2543  		v0.AddArg(v1)
  2544  		v2 := b.NewValue0(v.Line, OpS390XMOVWZreg, config.fe.TypeUInt64())
  2545  		v2.AddArg(y)
  2546  		v0.AddArg(v2)
  2547  		v.AddArg(v0)
  2548  		return true
  2549  	}
  2550  }
  2551  func rewriteValueS390X_OpHmul64(v *Value, config *Config) bool {
  2552  	b := v.Block
  2553  	_ = b
  2554  	// match: (Hmul64  x y)
  2555  	// cond:
  2556  	// result: (MULHD  x y)
  2557  	for {
  2558  		x := v.Args[0]
  2559  		y := v.Args[1]
  2560  		v.reset(OpS390XMULHD)
  2561  		v.AddArg(x)
  2562  		v.AddArg(y)
  2563  		return true
  2564  	}
  2565  }
  2566  func rewriteValueS390X_OpHmul64u(v *Value, config *Config) bool {
  2567  	b := v.Block
  2568  	_ = b
  2569  	// match: (Hmul64u x y)
  2570  	// cond:
  2571  	// result: (MULHDU x y)
  2572  	for {
  2573  		x := v.Args[0]
  2574  		y := v.Args[1]
  2575  		v.reset(OpS390XMULHDU)
  2576  		v.AddArg(x)
  2577  		v.AddArg(y)
  2578  		return true
  2579  	}
  2580  }
  2581  func rewriteValueS390X_OpHmul8(v *Value, config *Config) bool {
  2582  	b := v.Block
  2583  	_ = b
  2584  	// match: (Hmul8   x y)
  2585  	// cond:
  2586  	// result: (SRDconst [8] (MULLW (MOVBreg x) (MOVBreg y)))
  2587  	for {
  2588  		x := v.Args[0]
  2589  		y := v.Args[1]
  2590  		v.reset(OpS390XSRDconst)
  2591  		v.AuxInt = 8
  2592  		v0 := b.NewValue0(v.Line, OpS390XMULLW, config.fe.TypeInt32())
  2593  		v1 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  2594  		v1.AddArg(x)
  2595  		v0.AddArg(v1)
  2596  		v2 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  2597  		v2.AddArg(y)
  2598  		v0.AddArg(v2)
  2599  		v.AddArg(v0)
  2600  		return true
  2601  	}
  2602  }
  2603  func rewriteValueS390X_OpHmul8u(v *Value, config *Config) bool {
  2604  	b := v.Block
  2605  	_ = b
  2606  	// match: (Hmul8u  x y)
  2607  	// cond:
  2608  	// result: (SRDconst [8] (MULLW (MOVBZreg x) (MOVBZreg y)))
  2609  	for {
  2610  		x := v.Args[0]
  2611  		y := v.Args[1]
  2612  		v.reset(OpS390XSRDconst)
  2613  		v.AuxInt = 8
  2614  		v0 := b.NewValue0(v.Line, OpS390XMULLW, config.fe.TypeInt32())
  2615  		v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2616  		v1.AddArg(x)
  2617  		v0.AddArg(v1)
  2618  		v2 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2619  		v2.AddArg(y)
  2620  		v0.AddArg(v2)
  2621  		v.AddArg(v0)
  2622  		return true
  2623  	}
  2624  }
  2625  func rewriteValueS390X_OpITab(v *Value, config *Config) bool {
  2626  	b := v.Block
  2627  	_ = b
  2628  	// match: (ITab (Load ptr mem))
  2629  	// cond:
  2630  	// result: (MOVDload ptr mem)
  2631  	for {
  2632  		v_0 := v.Args[0]
  2633  		if v_0.Op != OpLoad {
  2634  			break
  2635  		}
  2636  		ptr := v_0.Args[0]
  2637  		mem := v_0.Args[1]
  2638  		v.reset(OpS390XMOVDload)
  2639  		v.AddArg(ptr)
  2640  		v.AddArg(mem)
  2641  		return true
  2642  	}
  2643  	return false
  2644  }
  2645  func rewriteValueS390X_OpInterCall(v *Value, config *Config) bool {
  2646  	b := v.Block
  2647  	_ = b
  2648  	// match: (InterCall [argwid] entry mem)
  2649  	// cond:
  2650  	// result: (CALLinter [argwid] entry mem)
  2651  	for {
  2652  		argwid := v.AuxInt
  2653  		entry := v.Args[0]
  2654  		mem := v.Args[1]
  2655  		v.reset(OpS390XCALLinter)
  2656  		v.AuxInt = argwid
  2657  		v.AddArg(entry)
  2658  		v.AddArg(mem)
  2659  		return true
  2660  	}
  2661  }
  2662  func rewriteValueS390X_OpIsInBounds(v *Value, config *Config) bool {
  2663  	b := v.Block
  2664  	_ = b
  2665  	// match: (IsInBounds idx len)
  2666  	// cond:
  2667  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPU idx len))
  2668  	for {
  2669  		idx := v.Args[0]
  2670  		len := v.Args[1]
  2671  		v.reset(OpS390XMOVDLT)
  2672  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2673  		v0.AuxInt = 0
  2674  		v.AddArg(v0)
  2675  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2676  		v1.AuxInt = 1
  2677  		v.AddArg(v1)
  2678  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2679  		v2.AddArg(idx)
  2680  		v2.AddArg(len)
  2681  		v.AddArg(v2)
  2682  		return true
  2683  	}
  2684  }
  2685  func rewriteValueS390X_OpIsNonNil(v *Value, config *Config) bool {
  2686  	b := v.Block
  2687  	_ = b
  2688  	// match: (IsNonNil p)
  2689  	// cond:
  2690  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMPconst p [0]))
  2691  	for {
  2692  		p := v.Args[0]
  2693  		v.reset(OpS390XMOVDNE)
  2694  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2695  		v0.AuxInt = 0
  2696  		v.AddArg(v0)
  2697  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2698  		v1.AuxInt = 1
  2699  		v.AddArg(v1)
  2700  		v2 := b.NewValue0(v.Line, OpS390XCMPconst, TypeFlags)
  2701  		v2.AuxInt = 0
  2702  		v2.AddArg(p)
  2703  		v.AddArg(v2)
  2704  		return true
  2705  	}
  2706  }
  2707  func rewriteValueS390X_OpIsSliceInBounds(v *Value, config *Config) bool {
  2708  	b := v.Block
  2709  	_ = b
  2710  	// match: (IsSliceInBounds idx len)
  2711  	// cond:
  2712  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPU idx len))
  2713  	for {
  2714  		idx := v.Args[0]
  2715  		len := v.Args[1]
  2716  		v.reset(OpS390XMOVDLE)
  2717  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2718  		v0.AuxInt = 0
  2719  		v.AddArg(v0)
  2720  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2721  		v1.AuxInt = 1
  2722  		v.AddArg(v1)
  2723  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2724  		v2.AddArg(idx)
  2725  		v2.AddArg(len)
  2726  		v.AddArg(v2)
  2727  		return true
  2728  	}
  2729  }
  2730  func rewriteValueS390X_OpLeq16(v *Value, config *Config) bool {
  2731  	b := v.Block
  2732  	_ = b
  2733  	// match: (Leq16  x y)
  2734  	// cond:
  2735  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  2736  	for {
  2737  		x := v.Args[0]
  2738  		y := v.Args[1]
  2739  		v.reset(OpS390XMOVDLE)
  2740  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2741  		v0.AuxInt = 0
  2742  		v.AddArg(v0)
  2743  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2744  		v1.AuxInt = 1
  2745  		v.AddArg(v1)
  2746  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2747  		v3 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  2748  		v3.AddArg(x)
  2749  		v2.AddArg(v3)
  2750  		v4 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  2751  		v4.AddArg(y)
  2752  		v2.AddArg(v4)
  2753  		v.AddArg(v2)
  2754  		return true
  2755  	}
  2756  }
  2757  func rewriteValueS390X_OpLeq16U(v *Value, config *Config) bool {
  2758  	b := v.Block
  2759  	_ = b
  2760  	// match: (Leq16U x y)
  2761  	// cond:
  2762  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVHZreg x) (MOVHZreg y)))
  2763  	for {
  2764  		x := v.Args[0]
  2765  		y := v.Args[1]
  2766  		v.reset(OpS390XMOVDLE)
  2767  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2768  		v0.AuxInt = 0
  2769  		v.AddArg(v0)
  2770  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2771  		v1.AuxInt = 1
  2772  		v.AddArg(v1)
  2773  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2774  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2775  		v3.AddArg(x)
  2776  		v2.AddArg(v3)
  2777  		v4 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2778  		v4.AddArg(y)
  2779  		v2.AddArg(v4)
  2780  		v.AddArg(v2)
  2781  		return true
  2782  	}
  2783  }
  2784  func rewriteValueS390X_OpLeq32(v *Value, config *Config) bool {
  2785  	b := v.Block
  2786  	_ = b
  2787  	// match: (Leq32  x y)
  2788  	// cond:
  2789  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  2790  	for {
  2791  		x := v.Args[0]
  2792  		y := v.Args[1]
  2793  		v.reset(OpS390XMOVDLE)
  2794  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2795  		v0.AuxInt = 0
  2796  		v.AddArg(v0)
  2797  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2798  		v1.AuxInt = 1
  2799  		v.AddArg(v1)
  2800  		v2 := b.NewValue0(v.Line, OpS390XCMPW, TypeFlags)
  2801  		v2.AddArg(x)
  2802  		v2.AddArg(y)
  2803  		v.AddArg(v2)
  2804  		return true
  2805  	}
  2806  }
  2807  func rewriteValueS390X_OpLeq32F(v *Value, config *Config) bool {
  2808  	b := v.Block
  2809  	_ = b
  2810  	// match: (Leq32F x y)
  2811  	// cond:
  2812  	// result: (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMPS y x))
  2813  	for {
  2814  		x := v.Args[0]
  2815  		y := v.Args[1]
  2816  		v.reset(OpS390XMOVDGEnoinv)
  2817  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2818  		v0.AuxInt = 0
  2819  		v.AddArg(v0)
  2820  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2821  		v1.AuxInt = 1
  2822  		v.AddArg(v1)
  2823  		v2 := b.NewValue0(v.Line, OpS390XFCMPS, TypeFlags)
  2824  		v2.AddArg(y)
  2825  		v2.AddArg(x)
  2826  		v.AddArg(v2)
  2827  		return true
  2828  	}
  2829  }
  2830  func rewriteValueS390X_OpLeq32U(v *Value, config *Config) bool {
  2831  	b := v.Block
  2832  	_ = b
  2833  	// match: (Leq32U x y)
  2834  	// cond:
  2835  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPWU x y))
  2836  	for {
  2837  		x := v.Args[0]
  2838  		y := v.Args[1]
  2839  		v.reset(OpS390XMOVDLE)
  2840  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2841  		v0.AuxInt = 0
  2842  		v.AddArg(v0)
  2843  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2844  		v1.AuxInt = 1
  2845  		v.AddArg(v1)
  2846  		v2 := b.NewValue0(v.Line, OpS390XCMPWU, TypeFlags)
  2847  		v2.AddArg(x)
  2848  		v2.AddArg(y)
  2849  		v.AddArg(v2)
  2850  		return true
  2851  	}
  2852  }
  2853  func rewriteValueS390X_OpLeq64(v *Value, config *Config) bool {
  2854  	b := v.Block
  2855  	_ = b
  2856  	// match: (Leq64  x y)
  2857  	// cond:
  2858  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  2859  	for {
  2860  		x := v.Args[0]
  2861  		y := v.Args[1]
  2862  		v.reset(OpS390XMOVDLE)
  2863  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2864  		v0.AuxInt = 0
  2865  		v.AddArg(v0)
  2866  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2867  		v1.AuxInt = 1
  2868  		v.AddArg(v1)
  2869  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2870  		v2.AddArg(x)
  2871  		v2.AddArg(y)
  2872  		v.AddArg(v2)
  2873  		return true
  2874  	}
  2875  }
  2876  func rewriteValueS390X_OpLeq64F(v *Value, config *Config) bool {
  2877  	b := v.Block
  2878  	_ = b
  2879  	// match: (Leq64F x y)
  2880  	// cond:
  2881  	// result: (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMP y x))
  2882  	for {
  2883  		x := v.Args[0]
  2884  		y := v.Args[1]
  2885  		v.reset(OpS390XMOVDGEnoinv)
  2886  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2887  		v0.AuxInt = 0
  2888  		v.AddArg(v0)
  2889  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2890  		v1.AuxInt = 1
  2891  		v.AddArg(v1)
  2892  		v2 := b.NewValue0(v.Line, OpS390XFCMP, TypeFlags)
  2893  		v2.AddArg(y)
  2894  		v2.AddArg(x)
  2895  		v.AddArg(v2)
  2896  		return true
  2897  	}
  2898  }
  2899  func rewriteValueS390X_OpLeq64U(v *Value, config *Config) bool {
  2900  	b := v.Block
  2901  	_ = b
  2902  	// match: (Leq64U x y)
  2903  	// cond:
  2904  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPU x y))
  2905  	for {
  2906  		x := v.Args[0]
  2907  		y := v.Args[1]
  2908  		v.reset(OpS390XMOVDLE)
  2909  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2910  		v0.AuxInt = 0
  2911  		v.AddArg(v0)
  2912  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2913  		v1.AuxInt = 1
  2914  		v.AddArg(v1)
  2915  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2916  		v2.AddArg(x)
  2917  		v2.AddArg(y)
  2918  		v.AddArg(v2)
  2919  		return true
  2920  	}
  2921  }
  2922  func rewriteValueS390X_OpLeq8(v *Value, config *Config) bool {
  2923  	b := v.Block
  2924  	_ = b
  2925  	// match: (Leq8   x y)
  2926  	// cond:
  2927  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  2928  	for {
  2929  		x := v.Args[0]
  2930  		y := v.Args[1]
  2931  		v.reset(OpS390XMOVDLE)
  2932  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2933  		v0.AuxInt = 0
  2934  		v.AddArg(v0)
  2935  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2936  		v1.AuxInt = 1
  2937  		v.AddArg(v1)
  2938  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2939  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  2940  		v3.AddArg(x)
  2941  		v2.AddArg(v3)
  2942  		v4 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  2943  		v4.AddArg(y)
  2944  		v2.AddArg(v4)
  2945  		v.AddArg(v2)
  2946  		return true
  2947  	}
  2948  }
  2949  func rewriteValueS390X_OpLeq8U(v *Value, config *Config) bool {
  2950  	b := v.Block
  2951  	_ = b
  2952  	// match: (Leq8U  x y)
  2953  	// cond:
  2954  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVBZreg x) (MOVBZreg y)))
  2955  	for {
  2956  		x := v.Args[0]
  2957  		y := v.Args[1]
  2958  		v.reset(OpS390XMOVDLE)
  2959  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2960  		v0.AuxInt = 0
  2961  		v.AddArg(v0)
  2962  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2963  		v1.AuxInt = 1
  2964  		v.AddArg(v1)
  2965  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2966  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2967  		v3.AddArg(x)
  2968  		v2.AddArg(v3)
  2969  		v4 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2970  		v4.AddArg(y)
  2971  		v2.AddArg(v4)
  2972  		v.AddArg(v2)
  2973  		return true
  2974  	}
  2975  }
  2976  func rewriteValueS390X_OpLess16(v *Value, config *Config) bool {
  2977  	b := v.Block
  2978  	_ = b
  2979  	// match: (Less16  x y)
  2980  	// cond:
  2981  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  2982  	for {
  2983  		x := v.Args[0]
  2984  		y := v.Args[1]
  2985  		v.reset(OpS390XMOVDLT)
  2986  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2987  		v0.AuxInt = 0
  2988  		v.AddArg(v0)
  2989  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2990  		v1.AuxInt = 1
  2991  		v.AddArg(v1)
  2992  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2993  		v3 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  2994  		v3.AddArg(x)
  2995  		v2.AddArg(v3)
  2996  		v4 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  2997  		v4.AddArg(y)
  2998  		v2.AddArg(v4)
  2999  		v.AddArg(v2)
  3000  		return true
  3001  	}
  3002  }
  3003  func rewriteValueS390X_OpLess16U(v *Value, config *Config) bool {
  3004  	b := v.Block
  3005  	_ = b
  3006  	// match: (Less16U x y)
  3007  	// cond:
  3008  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVHZreg x) (MOVHZreg y)))
  3009  	for {
  3010  		x := v.Args[0]
  3011  		y := v.Args[1]
  3012  		v.reset(OpS390XMOVDLT)
  3013  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3014  		v0.AuxInt = 0
  3015  		v.AddArg(v0)
  3016  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3017  		v1.AuxInt = 1
  3018  		v.AddArg(v1)
  3019  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  3020  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3021  		v3.AddArg(x)
  3022  		v2.AddArg(v3)
  3023  		v4 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3024  		v4.AddArg(y)
  3025  		v2.AddArg(v4)
  3026  		v.AddArg(v2)
  3027  		return true
  3028  	}
  3029  }
  3030  func rewriteValueS390X_OpLess32(v *Value, config *Config) bool {
  3031  	b := v.Block
  3032  	_ = b
  3033  	// match: (Less32  x y)
  3034  	// cond:
  3035  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  3036  	for {
  3037  		x := v.Args[0]
  3038  		y := v.Args[1]
  3039  		v.reset(OpS390XMOVDLT)
  3040  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3041  		v0.AuxInt = 0
  3042  		v.AddArg(v0)
  3043  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3044  		v1.AuxInt = 1
  3045  		v.AddArg(v1)
  3046  		v2 := b.NewValue0(v.Line, OpS390XCMPW, TypeFlags)
  3047  		v2.AddArg(x)
  3048  		v2.AddArg(y)
  3049  		v.AddArg(v2)
  3050  		return true
  3051  	}
  3052  }
  3053  func rewriteValueS390X_OpLess32F(v *Value, config *Config) bool {
  3054  	b := v.Block
  3055  	_ = b
  3056  	// match: (Less32F x y)
  3057  	// cond:
  3058  	// result: (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMPS y x))
  3059  	for {
  3060  		x := v.Args[0]
  3061  		y := v.Args[1]
  3062  		v.reset(OpS390XMOVDGTnoinv)
  3063  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3064  		v0.AuxInt = 0
  3065  		v.AddArg(v0)
  3066  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3067  		v1.AuxInt = 1
  3068  		v.AddArg(v1)
  3069  		v2 := b.NewValue0(v.Line, OpS390XFCMPS, TypeFlags)
  3070  		v2.AddArg(y)
  3071  		v2.AddArg(x)
  3072  		v.AddArg(v2)
  3073  		return true
  3074  	}
  3075  }
  3076  func rewriteValueS390X_OpLess32U(v *Value, config *Config) bool {
  3077  	b := v.Block
  3078  	_ = b
  3079  	// match: (Less32U x y)
  3080  	// cond:
  3081  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPWU x y))
  3082  	for {
  3083  		x := v.Args[0]
  3084  		y := v.Args[1]
  3085  		v.reset(OpS390XMOVDLT)
  3086  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3087  		v0.AuxInt = 0
  3088  		v.AddArg(v0)
  3089  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3090  		v1.AuxInt = 1
  3091  		v.AddArg(v1)
  3092  		v2 := b.NewValue0(v.Line, OpS390XCMPWU, TypeFlags)
  3093  		v2.AddArg(x)
  3094  		v2.AddArg(y)
  3095  		v.AddArg(v2)
  3096  		return true
  3097  	}
  3098  }
  3099  func rewriteValueS390X_OpLess64(v *Value, config *Config) bool {
  3100  	b := v.Block
  3101  	_ = b
  3102  	// match: (Less64  x y)
  3103  	// cond:
  3104  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  3105  	for {
  3106  		x := v.Args[0]
  3107  		y := v.Args[1]
  3108  		v.reset(OpS390XMOVDLT)
  3109  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3110  		v0.AuxInt = 0
  3111  		v.AddArg(v0)
  3112  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3113  		v1.AuxInt = 1
  3114  		v.AddArg(v1)
  3115  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  3116  		v2.AddArg(x)
  3117  		v2.AddArg(y)
  3118  		v.AddArg(v2)
  3119  		return true
  3120  	}
  3121  }
  3122  func rewriteValueS390X_OpLess64F(v *Value, config *Config) bool {
  3123  	b := v.Block
  3124  	_ = b
  3125  	// match: (Less64F x y)
  3126  	// cond:
  3127  	// result: (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMP y x))
  3128  	for {
  3129  		x := v.Args[0]
  3130  		y := v.Args[1]
  3131  		v.reset(OpS390XMOVDGTnoinv)
  3132  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3133  		v0.AuxInt = 0
  3134  		v.AddArg(v0)
  3135  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3136  		v1.AuxInt = 1
  3137  		v.AddArg(v1)
  3138  		v2 := b.NewValue0(v.Line, OpS390XFCMP, TypeFlags)
  3139  		v2.AddArg(y)
  3140  		v2.AddArg(x)
  3141  		v.AddArg(v2)
  3142  		return true
  3143  	}
  3144  }
  3145  func rewriteValueS390X_OpLess64U(v *Value, config *Config) bool {
  3146  	b := v.Block
  3147  	_ = b
  3148  	// match: (Less64U x y)
  3149  	// cond:
  3150  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPU x y))
  3151  	for {
  3152  		x := v.Args[0]
  3153  		y := v.Args[1]
  3154  		v.reset(OpS390XMOVDLT)
  3155  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3156  		v0.AuxInt = 0
  3157  		v.AddArg(v0)
  3158  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3159  		v1.AuxInt = 1
  3160  		v.AddArg(v1)
  3161  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  3162  		v2.AddArg(x)
  3163  		v2.AddArg(y)
  3164  		v.AddArg(v2)
  3165  		return true
  3166  	}
  3167  }
  3168  func rewriteValueS390X_OpLess8(v *Value, config *Config) bool {
  3169  	b := v.Block
  3170  	_ = b
  3171  	// match: (Less8   x y)
  3172  	// cond:
  3173  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  3174  	for {
  3175  		x := v.Args[0]
  3176  		y := v.Args[1]
  3177  		v.reset(OpS390XMOVDLT)
  3178  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3179  		v0.AuxInt = 0
  3180  		v.AddArg(v0)
  3181  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3182  		v1.AuxInt = 1
  3183  		v.AddArg(v1)
  3184  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  3185  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  3186  		v3.AddArg(x)
  3187  		v2.AddArg(v3)
  3188  		v4 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  3189  		v4.AddArg(y)
  3190  		v2.AddArg(v4)
  3191  		v.AddArg(v2)
  3192  		return true
  3193  	}
  3194  }
  3195  func rewriteValueS390X_OpLess8U(v *Value, config *Config) bool {
  3196  	b := v.Block
  3197  	_ = b
  3198  	// match: (Less8U  x y)
  3199  	// cond:
  3200  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVBZreg x) (MOVBZreg y)))
  3201  	for {
  3202  		x := v.Args[0]
  3203  		y := v.Args[1]
  3204  		v.reset(OpS390XMOVDLT)
  3205  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3206  		v0.AuxInt = 0
  3207  		v.AddArg(v0)
  3208  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3209  		v1.AuxInt = 1
  3210  		v.AddArg(v1)
  3211  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  3212  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3213  		v3.AddArg(x)
  3214  		v2.AddArg(v3)
  3215  		v4 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3216  		v4.AddArg(y)
  3217  		v2.AddArg(v4)
  3218  		v.AddArg(v2)
  3219  		return true
  3220  	}
  3221  }
  3222  func rewriteValueS390X_OpLoad(v *Value, config *Config) bool {
  3223  	b := v.Block
  3224  	_ = b
  3225  	// match: (Load <t> ptr mem)
  3226  	// cond: (is64BitInt(t) || isPtr(t))
  3227  	// result: (MOVDload ptr mem)
  3228  	for {
  3229  		t := v.Type
  3230  		ptr := v.Args[0]
  3231  		mem := v.Args[1]
  3232  		if !(is64BitInt(t) || isPtr(t)) {
  3233  			break
  3234  		}
  3235  		v.reset(OpS390XMOVDload)
  3236  		v.AddArg(ptr)
  3237  		v.AddArg(mem)
  3238  		return true
  3239  	}
  3240  	// match: (Load <t> ptr mem)
  3241  	// cond: is32BitInt(t)
  3242  	// result: (MOVWZload ptr mem)
  3243  	for {
  3244  		t := v.Type
  3245  		ptr := v.Args[0]
  3246  		mem := v.Args[1]
  3247  		if !(is32BitInt(t)) {
  3248  			break
  3249  		}
  3250  		v.reset(OpS390XMOVWZload)
  3251  		v.AddArg(ptr)
  3252  		v.AddArg(mem)
  3253  		return true
  3254  	}
  3255  	// match: (Load <t> ptr mem)
  3256  	// cond: is16BitInt(t)
  3257  	// result: (MOVHZload ptr mem)
  3258  	for {
  3259  		t := v.Type
  3260  		ptr := v.Args[0]
  3261  		mem := v.Args[1]
  3262  		if !(is16BitInt(t)) {
  3263  			break
  3264  		}
  3265  		v.reset(OpS390XMOVHZload)
  3266  		v.AddArg(ptr)
  3267  		v.AddArg(mem)
  3268  		return true
  3269  	}
  3270  	// match: (Load <t> ptr mem)
  3271  	// cond: (t.IsBoolean() || is8BitInt(t))
  3272  	// result: (MOVBZload ptr mem)
  3273  	for {
  3274  		t := v.Type
  3275  		ptr := v.Args[0]
  3276  		mem := v.Args[1]
  3277  		if !(t.IsBoolean() || is8BitInt(t)) {
  3278  			break
  3279  		}
  3280  		v.reset(OpS390XMOVBZload)
  3281  		v.AddArg(ptr)
  3282  		v.AddArg(mem)
  3283  		return true
  3284  	}
  3285  	// match: (Load <t> ptr mem)
  3286  	// cond: is32BitFloat(t)
  3287  	// result: (FMOVSload ptr mem)
  3288  	for {
  3289  		t := v.Type
  3290  		ptr := v.Args[0]
  3291  		mem := v.Args[1]
  3292  		if !(is32BitFloat(t)) {
  3293  			break
  3294  		}
  3295  		v.reset(OpS390XFMOVSload)
  3296  		v.AddArg(ptr)
  3297  		v.AddArg(mem)
  3298  		return true
  3299  	}
  3300  	// match: (Load <t> ptr mem)
  3301  	// cond: is64BitFloat(t)
  3302  	// result: (FMOVDload ptr mem)
  3303  	for {
  3304  		t := v.Type
  3305  		ptr := v.Args[0]
  3306  		mem := v.Args[1]
  3307  		if !(is64BitFloat(t)) {
  3308  			break
  3309  		}
  3310  		v.reset(OpS390XFMOVDload)
  3311  		v.AddArg(ptr)
  3312  		v.AddArg(mem)
  3313  		return true
  3314  	}
  3315  	return false
  3316  }
  3317  func rewriteValueS390X_OpLrot32(v *Value, config *Config) bool {
  3318  	b := v.Block
  3319  	_ = b
  3320  	// match: (Lrot32 <t> x [c])
  3321  	// cond:
  3322  	// result: (RLLconst <t> [c&31] x)
  3323  	for {
  3324  		t := v.Type
  3325  		c := v.AuxInt
  3326  		x := v.Args[0]
  3327  		v.reset(OpS390XRLLconst)
  3328  		v.Type = t
  3329  		v.AuxInt = c & 31
  3330  		v.AddArg(x)
  3331  		return true
  3332  	}
  3333  }
  3334  func rewriteValueS390X_OpLrot64(v *Value, config *Config) bool {
  3335  	b := v.Block
  3336  	_ = b
  3337  	// match: (Lrot64 <t> x [c])
  3338  	// cond:
  3339  	// result: (RLLGconst <t> [c&63] x)
  3340  	for {
  3341  		t := v.Type
  3342  		c := v.AuxInt
  3343  		x := v.Args[0]
  3344  		v.reset(OpS390XRLLGconst)
  3345  		v.Type = t
  3346  		v.AuxInt = c & 63
  3347  		v.AddArg(x)
  3348  		return true
  3349  	}
  3350  }
  3351  func rewriteValueS390X_OpLsh16x16(v *Value, config *Config) bool {
  3352  	b := v.Block
  3353  	_ = b
  3354  	// match: (Lsh16x16 <t> x y)
  3355  	// cond:
  3356  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  3357  	for {
  3358  		t := v.Type
  3359  		x := v.Args[0]
  3360  		y := v.Args[1]
  3361  		v.reset(OpS390XANDW)
  3362  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3363  		v0.AddArg(x)
  3364  		v0.AddArg(y)
  3365  		v.AddArg(v0)
  3366  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3367  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3368  		v2.AuxInt = 31
  3369  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3370  		v3.AddArg(y)
  3371  		v2.AddArg(v3)
  3372  		v1.AddArg(v2)
  3373  		v.AddArg(v1)
  3374  		return true
  3375  	}
  3376  }
  3377  func rewriteValueS390X_OpLsh16x32(v *Value, config *Config) bool {
  3378  	b := v.Block
  3379  	_ = b
  3380  	// match: (Lsh16x32 <t> x y)
  3381  	// cond:
  3382  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  3383  	for {
  3384  		t := v.Type
  3385  		x := v.Args[0]
  3386  		y := v.Args[1]
  3387  		v.reset(OpS390XANDW)
  3388  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3389  		v0.AddArg(x)
  3390  		v0.AddArg(y)
  3391  		v.AddArg(v0)
  3392  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3393  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3394  		v2.AuxInt = 31
  3395  		v2.AddArg(y)
  3396  		v1.AddArg(v2)
  3397  		v.AddArg(v1)
  3398  		return true
  3399  	}
  3400  }
  3401  func rewriteValueS390X_OpLsh16x64(v *Value, config *Config) bool {
  3402  	b := v.Block
  3403  	_ = b
  3404  	// match: (Lsh16x64 <t> x y)
  3405  	// cond:
  3406  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  3407  	for {
  3408  		t := v.Type
  3409  		x := v.Args[0]
  3410  		y := v.Args[1]
  3411  		v.reset(OpS390XANDW)
  3412  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3413  		v0.AddArg(x)
  3414  		v0.AddArg(y)
  3415  		v.AddArg(v0)
  3416  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3417  		v2 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  3418  		v2.AuxInt = 31
  3419  		v2.AddArg(y)
  3420  		v1.AddArg(v2)
  3421  		v.AddArg(v1)
  3422  		return true
  3423  	}
  3424  }
  3425  func rewriteValueS390X_OpLsh16x8(v *Value, config *Config) bool {
  3426  	b := v.Block
  3427  	_ = b
  3428  	// match: (Lsh16x8  <t> x y)
  3429  	// cond:
  3430  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  3431  	for {
  3432  		t := v.Type
  3433  		x := v.Args[0]
  3434  		y := v.Args[1]
  3435  		v.reset(OpS390XANDW)
  3436  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3437  		v0.AddArg(x)
  3438  		v0.AddArg(y)
  3439  		v.AddArg(v0)
  3440  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3441  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3442  		v2.AuxInt = 31
  3443  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3444  		v3.AddArg(y)
  3445  		v2.AddArg(v3)
  3446  		v1.AddArg(v2)
  3447  		v.AddArg(v1)
  3448  		return true
  3449  	}
  3450  }
  3451  func rewriteValueS390X_OpLsh32x16(v *Value, config *Config) bool {
  3452  	b := v.Block
  3453  	_ = b
  3454  	// match: (Lsh32x16 <t> x y)
  3455  	// cond:
  3456  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  3457  	for {
  3458  		t := v.Type
  3459  		x := v.Args[0]
  3460  		y := v.Args[1]
  3461  		v.reset(OpS390XANDW)
  3462  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3463  		v0.AddArg(x)
  3464  		v0.AddArg(y)
  3465  		v.AddArg(v0)
  3466  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3467  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3468  		v2.AuxInt = 31
  3469  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3470  		v3.AddArg(y)
  3471  		v2.AddArg(v3)
  3472  		v1.AddArg(v2)
  3473  		v.AddArg(v1)
  3474  		return true
  3475  	}
  3476  }
  3477  func rewriteValueS390X_OpLsh32x32(v *Value, config *Config) bool {
  3478  	b := v.Block
  3479  	_ = b
  3480  	// match: (Lsh32x32 <t> x y)
  3481  	// cond:
  3482  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  3483  	for {
  3484  		t := v.Type
  3485  		x := v.Args[0]
  3486  		y := v.Args[1]
  3487  		v.reset(OpS390XANDW)
  3488  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3489  		v0.AddArg(x)
  3490  		v0.AddArg(y)
  3491  		v.AddArg(v0)
  3492  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3493  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3494  		v2.AuxInt = 31
  3495  		v2.AddArg(y)
  3496  		v1.AddArg(v2)
  3497  		v.AddArg(v1)
  3498  		return true
  3499  	}
  3500  }
  3501  func rewriteValueS390X_OpLsh32x64(v *Value, config *Config) bool {
  3502  	b := v.Block
  3503  	_ = b
  3504  	// match: (Lsh32x64 <t> x y)
  3505  	// cond:
  3506  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  3507  	for {
  3508  		t := v.Type
  3509  		x := v.Args[0]
  3510  		y := v.Args[1]
  3511  		v.reset(OpS390XANDW)
  3512  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3513  		v0.AddArg(x)
  3514  		v0.AddArg(y)
  3515  		v.AddArg(v0)
  3516  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3517  		v2 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  3518  		v2.AuxInt = 31
  3519  		v2.AddArg(y)
  3520  		v1.AddArg(v2)
  3521  		v.AddArg(v1)
  3522  		return true
  3523  	}
  3524  }
  3525  func rewriteValueS390X_OpLsh32x8(v *Value, config *Config) bool {
  3526  	b := v.Block
  3527  	_ = b
  3528  	// match: (Lsh32x8  <t> x y)
  3529  	// cond:
  3530  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  3531  	for {
  3532  		t := v.Type
  3533  		x := v.Args[0]
  3534  		y := v.Args[1]
  3535  		v.reset(OpS390XANDW)
  3536  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3537  		v0.AddArg(x)
  3538  		v0.AddArg(y)
  3539  		v.AddArg(v0)
  3540  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3541  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3542  		v2.AuxInt = 31
  3543  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3544  		v3.AddArg(y)
  3545  		v2.AddArg(v3)
  3546  		v1.AddArg(v2)
  3547  		v.AddArg(v1)
  3548  		return true
  3549  	}
  3550  }
  3551  func rewriteValueS390X_OpLsh64x16(v *Value, config *Config) bool {
  3552  	b := v.Block
  3553  	_ = b
  3554  	// match: (Lsh64x16 <t> x y)
  3555  	// cond:
  3556  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVHZreg y) [63])))
  3557  	for {
  3558  		t := v.Type
  3559  		x := v.Args[0]
  3560  		y := v.Args[1]
  3561  		v.reset(OpS390XAND)
  3562  		v0 := b.NewValue0(v.Line, OpS390XSLD, t)
  3563  		v0.AddArg(x)
  3564  		v0.AddArg(y)
  3565  		v.AddArg(v0)
  3566  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  3567  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3568  		v2.AuxInt = 63
  3569  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3570  		v3.AddArg(y)
  3571  		v2.AddArg(v3)
  3572  		v1.AddArg(v2)
  3573  		v.AddArg(v1)
  3574  		return true
  3575  	}
  3576  }
  3577  func rewriteValueS390X_OpLsh64x32(v *Value, config *Config) bool {
  3578  	b := v.Block
  3579  	_ = b
  3580  	// match: (Lsh64x32 <t> x y)
  3581  	// cond:
  3582  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPWUconst y [63])))
  3583  	for {
  3584  		t := v.Type
  3585  		x := v.Args[0]
  3586  		y := v.Args[1]
  3587  		v.reset(OpS390XAND)
  3588  		v0 := b.NewValue0(v.Line, OpS390XSLD, t)
  3589  		v0.AddArg(x)
  3590  		v0.AddArg(y)
  3591  		v.AddArg(v0)
  3592  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  3593  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3594  		v2.AuxInt = 63
  3595  		v2.AddArg(y)
  3596  		v1.AddArg(v2)
  3597  		v.AddArg(v1)
  3598  		return true
  3599  	}
  3600  }
  3601  func rewriteValueS390X_OpLsh64x64(v *Value, config *Config) bool {
  3602  	b := v.Block
  3603  	_ = b
  3604  	// match: (Lsh64x64 <t> x y)
  3605  	// cond:
  3606  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPUconst y [63])))
  3607  	for {
  3608  		t := v.Type
  3609  		x := v.Args[0]
  3610  		y := v.Args[1]
  3611  		v.reset(OpS390XAND)
  3612  		v0 := b.NewValue0(v.Line, OpS390XSLD, t)
  3613  		v0.AddArg(x)
  3614  		v0.AddArg(y)
  3615  		v.AddArg(v0)
  3616  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  3617  		v2 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  3618  		v2.AuxInt = 63
  3619  		v2.AddArg(y)
  3620  		v1.AddArg(v2)
  3621  		v.AddArg(v1)
  3622  		return true
  3623  	}
  3624  }
  3625  func rewriteValueS390X_OpLsh64x8(v *Value, config *Config) bool {
  3626  	b := v.Block
  3627  	_ = b
  3628  	// match: (Lsh64x8  <t> x y)
  3629  	// cond:
  3630  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVBZreg y) [63])))
  3631  	for {
  3632  		t := v.Type
  3633  		x := v.Args[0]
  3634  		y := v.Args[1]
  3635  		v.reset(OpS390XAND)
  3636  		v0 := b.NewValue0(v.Line, OpS390XSLD, t)
  3637  		v0.AddArg(x)
  3638  		v0.AddArg(y)
  3639  		v.AddArg(v0)
  3640  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  3641  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3642  		v2.AuxInt = 63
  3643  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3644  		v3.AddArg(y)
  3645  		v2.AddArg(v3)
  3646  		v1.AddArg(v2)
  3647  		v.AddArg(v1)
  3648  		return true
  3649  	}
  3650  }
  3651  func rewriteValueS390X_OpLsh8x16(v *Value, config *Config) bool {
  3652  	b := v.Block
  3653  	_ = b
  3654  	// match: (Lsh8x16 <t> x y)
  3655  	// cond:
  3656  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  3657  	for {
  3658  		t := v.Type
  3659  		x := v.Args[0]
  3660  		y := v.Args[1]
  3661  		v.reset(OpS390XANDW)
  3662  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3663  		v0.AddArg(x)
  3664  		v0.AddArg(y)
  3665  		v.AddArg(v0)
  3666  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3667  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3668  		v2.AuxInt = 31
  3669  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3670  		v3.AddArg(y)
  3671  		v2.AddArg(v3)
  3672  		v1.AddArg(v2)
  3673  		v.AddArg(v1)
  3674  		return true
  3675  	}
  3676  }
  3677  func rewriteValueS390X_OpLsh8x32(v *Value, config *Config) bool {
  3678  	b := v.Block
  3679  	_ = b
  3680  	// match: (Lsh8x32 <t> x y)
  3681  	// cond:
  3682  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  3683  	for {
  3684  		t := v.Type
  3685  		x := v.Args[0]
  3686  		y := v.Args[1]
  3687  		v.reset(OpS390XANDW)
  3688  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3689  		v0.AddArg(x)
  3690  		v0.AddArg(y)
  3691  		v.AddArg(v0)
  3692  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3693  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3694  		v2.AuxInt = 31
  3695  		v2.AddArg(y)
  3696  		v1.AddArg(v2)
  3697  		v.AddArg(v1)
  3698  		return true
  3699  	}
  3700  }
  3701  func rewriteValueS390X_OpLsh8x64(v *Value, config *Config) bool {
  3702  	b := v.Block
  3703  	_ = b
  3704  	// match: (Lsh8x64 <t> x y)
  3705  	// cond:
  3706  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  3707  	for {
  3708  		t := v.Type
  3709  		x := v.Args[0]
  3710  		y := v.Args[1]
  3711  		v.reset(OpS390XANDW)
  3712  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3713  		v0.AddArg(x)
  3714  		v0.AddArg(y)
  3715  		v.AddArg(v0)
  3716  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3717  		v2 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  3718  		v2.AuxInt = 31
  3719  		v2.AddArg(y)
  3720  		v1.AddArg(v2)
  3721  		v.AddArg(v1)
  3722  		return true
  3723  	}
  3724  }
  3725  func rewriteValueS390X_OpLsh8x8(v *Value, config *Config) bool {
  3726  	b := v.Block
  3727  	_ = b
  3728  	// match: (Lsh8x8  <t> x y)
  3729  	// cond:
  3730  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  3731  	for {
  3732  		t := v.Type
  3733  		x := v.Args[0]
  3734  		y := v.Args[1]
  3735  		v.reset(OpS390XANDW)
  3736  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3737  		v0.AddArg(x)
  3738  		v0.AddArg(y)
  3739  		v.AddArg(v0)
  3740  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3741  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3742  		v2.AuxInt = 31
  3743  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3744  		v3.AddArg(y)
  3745  		v2.AddArg(v3)
  3746  		v1.AddArg(v2)
  3747  		v.AddArg(v1)
  3748  		return true
  3749  	}
  3750  }
  3751  func rewriteValueS390X_OpMod16(v *Value, config *Config) bool {
  3752  	b := v.Block
  3753  	_ = b
  3754  	// match: (Mod16  x y)
  3755  	// cond:
  3756  	// result: (MODW  (MOVHreg x) (MOVHreg y))
  3757  	for {
  3758  		x := v.Args[0]
  3759  		y := v.Args[1]
  3760  		v.reset(OpS390XMODW)
  3761  		v0 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  3762  		v0.AddArg(x)
  3763  		v.AddArg(v0)
  3764  		v1 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  3765  		v1.AddArg(y)
  3766  		v.AddArg(v1)
  3767  		return true
  3768  	}
  3769  }
  3770  func rewriteValueS390X_OpMod16u(v *Value, config *Config) bool {
  3771  	b := v.Block
  3772  	_ = b
  3773  	// match: (Mod16u x y)
  3774  	// cond:
  3775  	// result: (MODWU (MOVHZreg x) (MOVHZreg y))
  3776  	for {
  3777  		x := v.Args[0]
  3778  		y := v.Args[1]
  3779  		v.reset(OpS390XMODWU)
  3780  		v0 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3781  		v0.AddArg(x)
  3782  		v.AddArg(v0)
  3783  		v1 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3784  		v1.AddArg(y)
  3785  		v.AddArg(v1)
  3786  		return true
  3787  	}
  3788  }
  3789  func rewriteValueS390X_OpMod32(v *Value, config *Config) bool {
  3790  	b := v.Block
  3791  	_ = b
  3792  	// match: (Mod32  x y)
  3793  	// cond:
  3794  	// result: (MODW  (MOVWreg x) y)
  3795  	for {
  3796  		x := v.Args[0]
  3797  		y := v.Args[1]
  3798  		v.reset(OpS390XMODW)
  3799  		v0 := b.NewValue0(v.Line, OpS390XMOVWreg, config.fe.TypeInt64())
  3800  		v0.AddArg(x)
  3801  		v.AddArg(v0)
  3802  		v.AddArg(y)
  3803  		return true
  3804  	}
  3805  }
  3806  func rewriteValueS390X_OpMod32u(v *Value, config *Config) bool {
  3807  	b := v.Block
  3808  	_ = b
  3809  	// match: (Mod32u x y)
  3810  	// cond:
  3811  	// result: (MODWU (MOVWZreg x) y)
  3812  	for {
  3813  		x := v.Args[0]
  3814  		y := v.Args[1]
  3815  		v.reset(OpS390XMODWU)
  3816  		v0 := b.NewValue0(v.Line, OpS390XMOVWZreg, config.fe.TypeUInt64())
  3817  		v0.AddArg(x)
  3818  		v.AddArg(v0)
  3819  		v.AddArg(y)
  3820  		return true
  3821  	}
  3822  }
  3823  func rewriteValueS390X_OpMod64(v *Value, config *Config) bool {
  3824  	b := v.Block
  3825  	_ = b
  3826  	// match: (Mod64  x y)
  3827  	// cond:
  3828  	// result: (MODD  x y)
  3829  	for {
  3830  		x := v.Args[0]
  3831  		y := v.Args[1]
  3832  		v.reset(OpS390XMODD)
  3833  		v.AddArg(x)
  3834  		v.AddArg(y)
  3835  		return true
  3836  	}
  3837  }
  3838  func rewriteValueS390X_OpMod64u(v *Value, config *Config) bool {
  3839  	b := v.Block
  3840  	_ = b
  3841  	// match: (Mod64u x y)
  3842  	// cond:
  3843  	// result: (MODDU x y)
  3844  	for {
  3845  		x := v.Args[0]
  3846  		y := v.Args[1]
  3847  		v.reset(OpS390XMODDU)
  3848  		v.AddArg(x)
  3849  		v.AddArg(y)
  3850  		return true
  3851  	}
  3852  }
  3853  func rewriteValueS390X_OpMod8(v *Value, config *Config) bool {
  3854  	b := v.Block
  3855  	_ = b
  3856  	// match: (Mod8   x y)
  3857  	// cond:
  3858  	// result: (MODW  (MOVBreg x) (MOVBreg y))
  3859  	for {
  3860  		x := v.Args[0]
  3861  		y := v.Args[1]
  3862  		v.reset(OpS390XMODW)
  3863  		v0 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  3864  		v0.AddArg(x)
  3865  		v.AddArg(v0)
  3866  		v1 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  3867  		v1.AddArg(y)
  3868  		v.AddArg(v1)
  3869  		return true
  3870  	}
  3871  }
  3872  func rewriteValueS390X_OpMod8u(v *Value, config *Config) bool {
  3873  	b := v.Block
  3874  	_ = b
  3875  	// match: (Mod8u  x y)
  3876  	// cond:
  3877  	// result: (MODWU (MOVBZreg x) (MOVBZreg y))
  3878  	for {
  3879  		x := v.Args[0]
  3880  		y := v.Args[1]
  3881  		v.reset(OpS390XMODWU)
  3882  		v0 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3883  		v0.AddArg(x)
  3884  		v.AddArg(v0)
  3885  		v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3886  		v1.AddArg(y)
  3887  		v.AddArg(v1)
  3888  		return true
  3889  	}
  3890  }
  3891  func rewriteValueS390X_OpMove(v *Value, config *Config) bool {
  3892  	b := v.Block
  3893  	_ = b
  3894  	// match: (Move [s] _ _ mem)
  3895  	// cond: SizeAndAlign(s).Size() == 0
  3896  	// result: mem
  3897  	for {
  3898  		s := v.AuxInt
  3899  		mem := v.Args[2]
  3900  		if !(SizeAndAlign(s).Size() == 0) {
  3901  			break
  3902  		}
  3903  		v.reset(OpCopy)
  3904  		v.Type = mem.Type
  3905  		v.AddArg(mem)
  3906  		return true
  3907  	}
  3908  	// match: (Move [s] dst src mem)
  3909  	// cond: SizeAndAlign(s).Size() == 1
  3910  	// result: (MOVBstore dst (MOVBZload src mem) mem)
  3911  	for {
  3912  		s := v.AuxInt
  3913  		dst := v.Args[0]
  3914  		src := v.Args[1]
  3915  		mem := v.Args[2]
  3916  		if !(SizeAndAlign(s).Size() == 1) {
  3917  			break
  3918  		}
  3919  		v.reset(OpS390XMOVBstore)
  3920  		v.AddArg(dst)
  3921  		v0 := b.NewValue0(v.Line, OpS390XMOVBZload, config.fe.TypeUInt8())
  3922  		v0.AddArg(src)
  3923  		v0.AddArg(mem)
  3924  		v.AddArg(v0)
  3925  		v.AddArg(mem)
  3926  		return true
  3927  	}
  3928  	// match: (Move [s] dst src mem)
  3929  	// cond: SizeAndAlign(s).Size() == 2
  3930  	// result: (MOVHstore dst (MOVHZload src mem) mem)
  3931  	for {
  3932  		s := v.AuxInt
  3933  		dst := v.Args[0]
  3934  		src := v.Args[1]
  3935  		mem := v.Args[2]
  3936  		if !(SizeAndAlign(s).Size() == 2) {
  3937  			break
  3938  		}
  3939  		v.reset(OpS390XMOVHstore)
  3940  		v.AddArg(dst)
  3941  		v0 := b.NewValue0(v.Line, OpS390XMOVHZload, config.fe.TypeUInt16())
  3942  		v0.AddArg(src)
  3943  		v0.AddArg(mem)
  3944  		v.AddArg(v0)
  3945  		v.AddArg(mem)
  3946  		return true
  3947  	}
  3948  	// match: (Move [s] dst src mem)
  3949  	// cond: SizeAndAlign(s).Size() == 4
  3950  	// result: (MOVWstore dst (MOVWZload src mem) mem)
  3951  	for {
  3952  		s := v.AuxInt
  3953  		dst := v.Args[0]
  3954  		src := v.Args[1]
  3955  		mem := v.Args[2]
  3956  		if !(SizeAndAlign(s).Size() == 4) {
  3957  			break
  3958  		}
  3959  		v.reset(OpS390XMOVWstore)
  3960  		v.AddArg(dst)
  3961  		v0 := b.NewValue0(v.Line, OpS390XMOVWZload, config.fe.TypeUInt32())
  3962  		v0.AddArg(src)
  3963  		v0.AddArg(mem)
  3964  		v.AddArg(v0)
  3965  		v.AddArg(mem)
  3966  		return true
  3967  	}
  3968  	// match: (Move [s] dst src mem)
  3969  	// cond: SizeAndAlign(s).Size() == 8
  3970  	// result: (MOVDstore dst (MOVDload src mem) mem)
  3971  	for {
  3972  		s := v.AuxInt
  3973  		dst := v.Args[0]
  3974  		src := v.Args[1]
  3975  		mem := v.Args[2]
  3976  		if !(SizeAndAlign(s).Size() == 8) {
  3977  			break
  3978  		}
  3979  		v.reset(OpS390XMOVDstore)
  3980  		v.AddArg(dst)
  3981  		v0 := b.NewValue0(v.Line, OpS390XMOVDload, config.fe.TypeUInt64())
  3982  		v0.AddArg(src)
  3983  		v0.AddArg(mem)
  3984  		v.AddArg(v0)
  3985  		v.AddArg(mem)
  3986  		return true
  3987  	}
  3988  	// match: (Move [s] dst src mem)
  3989  	// cond: SizeAndAlign(s).Size() == 16
  3990  	// result: (MOVDstore [8] dst (MOVDload [8] src mem) 		(MOVDstore dst (MOVDload src mem) mem))
  3991  	for {
  3992  		s := v.AuxInt
  3993  		dst := v.Args[0]
  3994  		src := v.Args[1]
  3995  		mem := v.Args[2]
  3996  		if !(SizeAndAlign(s).Size() == 16) {
  3997  			break
  3998  		}
  3999  		v.reset(OpS390XMOVDstore)
  4000  		v.AuxInt = 8
  4001  		v.AddArg(dst)
  4002  		v0 := b.NewValue0(v.Line, OpS390XMOVDload, config.fe.TypeUInt64())
  4003  		v0.AuxInt = 8
  4004  		v0.AddArg(src)
  4005  		v0.AddArg(mem)
  4006  		v.AddArg(v0)
  4007  		v1 := b.NewValue0(v.Line, OpS390XMOVDstore, TypeMem)
  4008  		v1.AddArg(dst)
  4009  		v2 := b.NewValue0(v.Line, OpS390XMOVDload, config.fe.TypeUInt64())
  4010  		v2.AddArg(src)
  4011  		v2.AddArg(mem)
  4012  		v1.AddArg(v2)
  4013  		v1.AddArg(mem)
  4014  		v.AddArg(v1)
  4015  		return true
  4016  	}
  4017  	// match: (Move [s] dst src mem)
  4018  	// cond: SizeAndAlign(s).Size() == 24
  4019  	// result: (MOVDstore [16] dst (MOVDload [16] src mem) 	        (MOVDstore [8] dst (MOVDload [8] src mem)                 (MOVDstore dst (MOVDload src mem) mem)))
  4020  	for {
  4021  		s := v.AuxInt
  4022  		dst := v.Args[0]
  4023  		src := v.Args[1]
  4024  		mem := v.Args[2]
  4025  		if !(SizeAndAlign(s).Size() == 24) {
  4026  			break
  4027  		}
  4028  		v.reset(OpS390XMOVDstore)
  4029  		v.AuxInt = 16
  4030  		v.AddArg(dst)
  4031  		v0 := b.NewValue0(v.Line, OpS390XMOVDload, config.fe.TypeUInt64())
  4032  		v0.AuxInt = 16
  4033  		v0.AddArg(src)
  4034  		v0.AddArg(mem)
  4035  		v.AddArg(v0)
  4036  		v1 := b.NewValue0(v.Line, OpS390XMOVDstore, TypeMem)
  4037  		v1.AuxInt = 8
  4038  		v1.AddArg(dst)
  4039  		v2 := b.NewValue0(v.Line, OpS390XMOVDload, config.fe.TypeUInt64())
  4040  		v2.AuxInt = 8
  4041  		v2.AddArg(src)
  4042  		v2.AddArg(mem)
  4043  		v1.AddArg(v2)
  4044  		v3 := b.NewValue0(v.Line, OpS390XMOVDstore, TypeMem)
  4045  		v3.AddArg(dst)
  4046  		v4 := b.NewValue0(v.Line, OpS390XMOVDload, config.fe.TypeUInt64())
  4047  		v4.AddArg(src)
  4048  		v4.AddArg(mem)
  4049  		v3.AddArg(v4)
  4050  		v3.AddArg(mem)
  4051  		v1.AddArg(v3)
  4052  		v.AddArg(v1)
  4053  		return true
  4054  	}
  4055  	// match: (Move [s] dst src mem)
  4056  	// cond: SizeAndAlign(s).Size() == 3
  4057  	// result: (MOVBstore [2] dst (MOVBZload [2] src mem) 		(MOVHstore dst (MOVHZload src mem) mem))
  4058  	for {
  4059  		s := v.AuxInt
  4060  		dst := v.Args[0]
  4061  		src := v.Args[1]
  4062  		mem := v.Args[2]
  4063  		if !(SizeAndAlign(s).Size() == 3) {
  4064  			break
  4065  		}
  4066  		v.reset(OpS390XMOVBstore)
  4067  		v.AuxInt = 2
  4068  		v.AddArg(dst)
  4069  		v0 := b.NewValue0(v.Line, OpS390XMOVBZload, config.fe.TypeUInt8())
  4070  		v0.AuxInt = 2
  4071  		v0.AddArg(src)
  4072  		v0.AddArg(mem)
  4073  		v.AddArg(v0)
  4074  		v1 := b.NewValue0(v.Line, OpS390XMOVHstore, TypeMem)
  4075  		v1.AddArg(dst)
  4076  		v2 := b.NewValue0(v.Line, OpS390XMOVHZload, config.fe.TypeUInt16())
  4077  		v2.AddArg(src)
  4078  		v2.AddArg(mem)
  4079  		v1.AddArg(v2)
  4080  		v1.AddArg(mem)
  4081  		v.AddArg(v1)
  4082  		return true
  4083  	}
  4084  	// match: (Move [s] dst src mem)
  4085  	// cond: SizeAndAlign(s).Size() == 5
  4086  	// result: (MOVBstore [4] dst (MOVBZload [4] src mem) 		(MOVWstore dst (MOVWZload src mem) mem))
  4087  	for {
  4088  		s := v.AuxInt
  4089  		dst := v.Args[0]
  4090  		src := v.Args[1]
  4091  		mem := v.Args[2]
  4092  		if !(SizeAndAlign(s).Size() == 5) {
  4093  			break
  4094  		}
  4095  		v.reset(OpS390XMOVBstore)
  4096  		v.AuxInt = 4
  4097  		v.AddArg(dst)
  4098  		v0 := b.NewValue0(v.Line, OpS390XMOVBZload, config.fe.TypeUInt8())
  4099  		v0.AuxInt = 4
  4100  		v0.AddArg(src)
  4101  		v0.AddArg(mem)
  4102  		v.AddArg(v0)
  4103  		v1 := b.NewValue0(v.Line, OpS390XMOVWstore, TypeMem)
  4104  		v1.AddArg(dst)
  4105  		v2 := b.NewValue0(v.Line, OpS390XMOVWZload, config.fe.TypeUInt32())
  4106  		v2.AddArg(src)
  4107  		v2.AddArg(mem)
  4108  		v1.AddArg(v2)
  4109  		v1.AddArg(mem)
  4110  		v.AddArg(v1)
  4111  		return true
  4112  	}
  4113  	// match: (Move [s] dst src mem)
  4114  	// cond: SizeAndAlign(s).Size() == 6
  4115  	// result: (MOVHstore [4] dst (MOVHZload [4] src mem) 		(MOVWstore dst (MOVWZload src mem) mem))
  4116  	for {
  4117  		s := v.AuxInt
  4118  		dst := v.Args[0]
  4119  		src := v.Args[1]
  4120  		mem := v.Args[2]
  4121  		if !(SizeAndAlign(s).Size() == 6) {
  4122  			break
  4123  		}
  4124  		v.reset(OpS390XMOVHstore)
  4125  		v.AuxInt = 4
  4126  		v.AddArg(dst)
  4127  		v0 := b.NewValue0(v.Line, OpS390XMOVHZload, config.fe.TypeUInt16())
  4128  		v0.AuxInt = 4
  4129  		v0.AddArg(src)
  4130  		v0.AddArg(mem)
  4131  		v.AddArg(v0)
  4132  		v1 := b.NewValue0(v.Line, OpS390XMOVWstore, TypeMem)
  4133  		v1.AddArg(dst)
  4134  		v2 := b.NewValue0(v.Line, OpS390XMOVWZload, config.fe.TypeUInt32())
  4135  		v2.AddArg(src)
  4136  		v2.AddArg(mem)
  4137  		v1.AddArg(v2)
  4138  		v1.AddArg(mem)
  4139  		v.AddArg(v1)
  4140  		return true
  4141  	}
  4142  	// match: (Move [s] dst src mem)
  4143  	// cond: SizeAndAlign(s).Size() == 7
  4144  	// result: (MOVBstore [6] dst (MOVBZload [6] src mem) 		(MOVHstore [4] dst (MOVHZload [4] src mem) 			(MOVWstore dst (MOVWZload src mem) mem)))
  4145  	for {
  4146  		s := v.AuxInt
  4147  		dst := v.Args[0]
  4148  		src := v.Args[1]
  4149  		mem := v.Args[2]
  4150  		if !(SizeAndAlign(s).Size() == 7) {
  4151  			break
  4152  		}
  4153  		v.reset(OpS390XMOVBstore)
  4154  		v.AuxInt = 6
  4155  		v.AddArg(dst)
  4156  		v0 := b.NewValue0(v.Line, OpS390XMOVBZload, config.fe.TypeUInt8())
  4157  		v0.AuxInt = 6
  4158  		v0.AddArg(src)
  4159  		v0.AddArg(mem)
  4160  		v.AddArg(v0)
  4161  		v1 := b.NewValue0(v.Line, OpS390XMOVHstore, TypeMem)
  4162  		v1.AuxInt = 4
  4163  		v1.AddArg(dst)
  4164  		v2 := b.NewValue0(v.Line, OpS390XMOVHZload, config.fe.TypeUInt16())
  4165  		v2.AuxInt = 4
  4166  		v2.AddArg(src)
  4167  		v2.AddArg(mem)
  4168  		v1.AddArg(v2)
  4169  		v3 := b.NewValue0(v.Line, OpS390XMOVWstore, TypeMem)
  4170  		v3.AddArg(dst)
  4171  		v4 := b.NewValue0(v.Line, OpS390XMOVWZload, config.fe.TypeUInt32())
  4172  		v4.AddArg(src)
  4173  		v4.AddArg(mem)
  4174  		v3.AddArg(v4)
  4175  		v3.AddArg(mem)
  4176  		v1.AddArg(v3)
  4177  		v.AddArg(v1)
  4178  		return true
  4179  	}
  4180  	// match: (Move [s] dst src mem)
  4181  	// cond: SizeAndAlign(s).Size() > 0 && SizeAndAlign(s).Size() <= 256
  4182  	// result: (MVC [makeValAndOff(SizeAndAlign(s).Size(), 0)] dst src mem)
  4183  	for {
  4184  		s := v.AuxInt
  4185  		dst := v.Args[0]
  4186  		src := v.Args[1]
  4187  		mem := v.Args[2]
  4188  		if !(SizeAndAlign(s).Size() > 0 && SizeAndAlign(s).Size() <= 256) {
  4189  			break
  4190  		}
  4191  		v.reset(OpS390XMVC)
  4192  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size(), 0)
  4193  		v.AddArg(dst)
  4194  		v.AddArg(src)
  4195  		v.AddArg(mem)
  4196  		return true
  4197  	}
  4198  	// match: (Move [s] dst src mem)
  4199  	// cond: SizeAndAlign(s).Size() > 256 && SizeAndAlign(s).Size() <= 512
  4200  	// result: (MVC [makeValAndOff(SizeAndAlign(s).Size()-256, 256)] dst src (MVC [makeValAndOff(256, 0)] dst src mem))
  4201  	for {
  4202  		s := v.AuxInt
  4203  		dst := v.Args[0]
  4204  		src := v.Args[1]
  4205  		mem := v.Args[2]
  4206  		if !(SizeAndAlign(s).Size() > 256 && SizeAndAlign(s).Size() <= 512) {
  4207  			break
  4208  		}
  4209  		v.reset(OpS390XMVC)
  4210  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size()-256, 256)
  4211  		v.AddArg(dst)
  4212  		v.AddArg(src)
  4213  		v0 := b.NewValue0(v.Line, OpS390XMVC, TypeMem)
  4214  		v0.AuxInt = makeValAndOff(256, 0)
  4215  		v0.AddArg(dst)
  4216  		v0.AddArg(src)
  4217  		v0.AddArg(mem)
  4218  		v.AddArg(v0)
  4219  		return true
  4220  	}
  4221  	// match: (Move [s] dst src mem)
  4222  	// cond: SizeAndAlign(s).Size() > 512 && SizeAndAlign(s).Size() <= 768
  4223  	// result: (MVC [makeValAndOff(SizeAndAlign(s).Size()-512, 512)] dst src (MVC [makeValAndOff(256, 256)] dst src (MVC [makeValAndOff(256, 0)] dst src mem)))
  4224  	for {
  4225  		s := v.AuxInt
  4226  		dst := v.Args[0]
  4227  		src := v.Args[1]
  4228  		mem := v.Args[2]
  4229  		if !(SizeAndAlign(s).Size() > 512 && SizeAndAlign(s).Size() <= 768) {
  4230  			break
  4231  		}
  4232  		v.reset(OpS390XMVC)
  4233  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size()-512, 512)
  4234  		v.AddArg(dst)
  4235  		v.AddArg(src)
  4236  		v0 := b.NewValue0(v.Line, OpS390XMVC, TypeMem)
  4237  		v0.AuxInt = makeValAndOff(256, 256)
  4238  		v0.AddArg(dst)
  4239  		v0.AddArg(src)
  4240  		v1 := b.NewValue0(v.Line, OpS390XMVC, TypeMem)
  4241  		v1.AuxInt = makeValAndOff(256, 0)
  4242  		v1.AddArg(dst)
  4243  		v1.AddArg(src)
  4244  		v1.AddArg(mem)
  4245  		v0.AddArg(v1)
  4246  		v.AddArg(v0)
  4247  		return true
  4248  	}
  4249  	// match: (Move [s] dst src mem)
  4250  	// cond: SizeAndAlign(s).Size() > 768 && SizeAndAlign(s).Size() <= 1024
  4251  	// 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))))
  4252  	for {
  4253  		s := v.AuxInt
  4254  		dst := v.Args[0]
  4255  		src := v.Args[1]
  4256  		mem := v.Args[2]
  4257  		if !(SizeAndAlign(s).Size() > 768 && SizeAndAlign(s).Size() <= 1024) {
  4258  			break
  4259  		}
  4260  		v.reset(OpS390XMVC)
  4261  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size()-768, 768)
  4262  		v.AddArg(dst)
  4263  		v.AddArg(src)
  4264  		v0 := b.NewValue0(v.Line, OpS390XMVC, TypeMem)
  4265  		v0.AuxInt = makeValAndOff(256, 512)
  4266  		v0.AddArg(dst)
  4267  		v0.AddArg(src)
  4268  		v1 := b.NewValue0(v.Line, OpS390XMVC, TypeMem)
  4269  		v1.AuxInt = makeValAndOff(256, 256)
  4270  		v1.AddArg(dst)
  4271  		v1.AddArg(src)
  4272  		v2 := b.NewValue0(v.Line, OpS390XMVC, TypeMem)
  4273  		v2.AuxInt = makeValAndOff(256, 0)
  4274  		v2.AddArg(dst)
  4275  		v2.AddArg(src)
  4276  		v2.AddArg(mem)
  4277  		v1.AddArg(v2)
  4278  		v0.AddArg(v1)
  4279  		v.AddArg(v0)
  4280  		return true
  4281  	}
  4282  	// match: (Move [s] dst src mem)
  4283  	// cond: SizeAndAlign(s).Size() > 1024
  4284  	// result: (LoweredMove [SizeAndAlign(s).Size()%256] dst src (ADDconst <src.Type> src [(SizeAndAlign(s).Size()/256)*256]) mem)
  4285  	for {
  4286  		s := v.AuxInt
  4287  		dst := v.Args[0]
  4288  		src := v.Args[1]
  4289  		mem := v.Args[2]
  4290  		if !(SizeAndAlign(s).Size() > 1024) {
  4291  			break
  4292  		}
  4293  		v.reset(OpS390XLoweredMove)
  4294  		v.AuxInt = SizeAndAlign(s).Size() % 256
  4295  		v.AddArg(dst)
  4296  		v.AddArg(src)
  4297  		v0 := b.NewValue0(v.Line, OpS390XADDconst, src.Type)
  4298  		v0.AuxInt = (SizeAndAlign(s).Size() / 256) * 256
  4299  		v0.AddArg(src)
  4300  		v.AddArg(v0)
  4301  		v.AddArg(mem)
  4302  		return true
  4303  	}
  4304  	return false
  4305  }
  4306  func rewriteValueS390X_OpMul16(v *Value, config *Config) bool {
  4307  	b := v.Block
  4308  	_ = b
  4309  	// match: (Mul16  x y)
  4310  	// cond:
  4311  	// result: (MULLW  x y)
  4312  	for {
  4313  		x := v.Args[0]
  4314  		y := v.Args[1]
  4315  		v.reset(OpS390XMULLW)
  4316  		v.AddArg(x)
  4317  		v.AddArg(y)
  4318  		return true
  4319  	}
  4320  }
  4321  func rewriteValueS390X_OpMul32(v *Value, config *Config) bool {
  4322  	b := v.Block
  4323  	_ = b
  4324  	// match: (Mul32  x y)
  4325  	// cond:
  4326  	// result: (MULLW  x y)
  4327  	for {
  4328  		x := v.Args[0]
  4329  		y := v.Args[1]
  4330  		v.reset(OpS390XMULLW)
  4331  		v.AddArg(x)
  4332  		v.AddArg(y)
  4333  		return true
  4334  	}
  4335  }
  4336  func rewriteValueS390X_OpMul32F(v *Value, config *Config) bool {
  4337  	b := v.Block
  4338  	_ = b
  4339  	// match: (Mul32F x y)
  4340  	// cond:
  4341  	// result: (FMULS x y)
  4342  	for {
  4343  		x := v.Args[0]
  4344  		y := v.Args[1]
  4345  		v.reset(OpS390XFMULS)
  4346  		v.AddArg(x)
  4347  		v.AddArg(y)
  4348  		return true
  4349  	}
  4350  }
  4351  func rewriteValueS390X_OpMul64(v *Value, config *Config) bool {
  4352  	b := v.Block
  4353  	_ = b
  4354  	// match: (Mul64  x y)
  4355  	// cond:
  4356  	// result: (MULLD  x y)
  4357  	for {
  4358  		x := v.Args[0]
  4359  		y := v.Args[1]
  4360  		v.reset(OpS390XMULLD)
  4361  		v.AddArg(x)
  4362  		v.AddArg(y)
  4363  		return true
  4364  	}
  4365  }
  4366  func rewriteValueS390X_OpMul64F(v *Value, config *Config) bool {
  4367  	b := v.Block
  4368  	_ = b
  4369  	// match: (Mul64F x y)
  4370  	// cond:
  4371  	// result: (FMUL x y)
  4372  	for {
  4373  		x := v.Args[0]
  4374  		y := v.Args[1]
  4375  		v.reset(OpS390XFMUL)
  4376  		v.AddArg(x)
  4377  		v.AddArg(y)
  4378  		return true
  4379  	}
  4380  }
  4381  func rewriteValueS390X_OpMul8(v *Value, config *Config) bool {
  4382  	b := v.Block
  4383  	_ = b
  4384  	// match: (Mul8   x y)
  4385  	// cond:
  4386  	// result: (MULLW  x y)
  4387  	for {
  4388  		x := v.Args[0]
  4389  		y := v.Args[1]
  4390  		v.reset(OpS390XMULLW)
  4391  		v.AddArg(x)
  4392  		v.AddArg(y)
  4393  		return true
  4394  	}
  4395  }
  4396  func rewriteValueS390X_OpNeg16(v *Value, config *Config) bool {
  4397  	b := v.Block
  4398  	_ = b
  4399  	// match: (Neg16  x)
  4400  	// cond:
  4401  	// result: (NEGW (MOVHreg x))
  4402  	for {
  4403  		x := v.Args[0]
  4404  		v.reset(OpS390XNEGW)
  4405  		v0 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  4406  		v0.AddArg(x)
  4407  		v.AddArg(v0)
  4408  		return true
  4409  	}
  4410  }
  4411  func rewriteValueS390X_OpNeg32(v *Value, config *Config) bool {
  4412  	b := v.Block
  4413  	_ = b
  4414  	// match: (Neg32  x)
  4415  	// cond:
  4416  	// result: (NEGW x)
  4417  	for {
  4418  		x := v.Args[0]
  4419  		v.reset(OpS390XNEGW)
  4420  		v.AddArg(x)
  4421  		return true
  4422  	}
  4423  }
  4424  func rewriteValueS390X_OpNeg32F(v *Value, config *Config) bool {
  4425  	b := v.Block
  4426  	_ = b
  4427  	// match: (Neg32F x)
  4428  	// cond:
  4429  	// result: (FNEGS x)
  4430  	for {
  4431  		x := v.Args[0]
  4432  		v.reset(OpS390XFNEGS)
  4433  		v.AddArg(x)
  4434  		return true
  4435  	}
  4436  }
  4437  func rewriteValueS390X_OpNeg64(v *Value, config *Config) bool {
  4438  	b := v.Block
  4439  	_ = b
  4440  	// match: (Neg64  x)
  4441  	// cond:
  4442  	// result: (NEG x)
  4443  	for {
  4444  		x := v.Args[0]
  4445  		v.reset(OpS390XNEG)
  4446  		v.AddArg(x)
  4447  		return true
  4448  	}
  4449  }
  4450  func rewriteValueS390X_OpNeg64F(v *Value, config *Config) bool {
  4451  	b := v.Block
  4452  	_ = b
  4453  	// match: (Neg64F x)
  4454  	// cond:
  4455  	// result: (FNEG x)
  4456  	for {
  4457  		x := v.Args[0]
  4458  		v.reset(OpS390XFNEG)
  4459  		v.AddArg(x)
  4460  		return true
  4461  	}
  4462  }
  4463  func rewriteValueS390X_OpNeg8(v *Value, config *Config) bool {
  4464  	b := v.Block
  4465  	_ = b
  4466  	// match: (Neg8   x)
  4467  	// cond:
  4468  	// result: (NEGW (MOVBreg x))
  4469  	for {
  4470  		x := v.Args[0]
  4471  		v.reset(OpS390XNEGW)
  4472  		v0 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  4473  		v0.AddArg(x)
  4474  		v.AddArg(v0)
  4475  		return true
  4476  	}
  4477  }
  4478  func rewriteValueS390X_OpNeq16(v *Value, config *Config) bool {
  4479  	b := v.Block
  4480  	_ = b
  4481  	// match: (Neq16  x y)
  4482  	// cond:
  4483  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  4484  	for {
  4485  		x := v.Args[0]
  4486  		y := v.Args[1]
  4487  		v.reset(OpS390XMOVDNE)
  4488  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4489  		v0.AuxInt = 0
  4490  		v.AddArg(v0)
  4491  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4492  		v1.AuxInt = 1
  4493  		v.AddArg(v1)
  4494  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  4495  		v3 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  4496  		v3.AddArg(x)
  4497  		v2.AddArg(v3)
  4498  		v4 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  4499  		v4.AddArg(y)
  4500  		v2.AddArg(v4)
  4501  		v.AddArg(v2)
  4502  		return true
  4503  	}
  4504  }
  4505  func rewriteValueS390X_OpNeq32(v *Value, config *Config) bool {
  4506  	b := v.Block
  4507  	_ = b
  4508  	// match: (Neq32  x y)
  4509  	// cond:
  4510  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  4511  	for {
  4512  		x := v.Args[0]
  4513  		y := v.Args[1]
  4514  		v.reset(OpS390XMOVDNE)
  4515  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4516  		v0.AuxInt = 0
  4517  		v.AddArg(v0)
  4518  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4519  		v1.AuxInt = 1
  4520  		v.AddArg(v1)
  4521  		v2 := b.NewValue0(v.Line, OpS390XCMPW, TypeFlags)
  4522  		v2.AddArg(x)
  4523  		v2.AddArg(y)
  4524  		v.AddArg(v2)
  4525  		return true
  4526  	}
  4527  }
  4528  func rewriteValueS390X_OpNeq32F(v *Value, config *Config) bool {
  4529  	b := v.Block
  4530  	_ = b
  4531  	// match: (Neq32F x y)
  4532  	// cond:
  4533  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (FCMPS x y))
  4534  	for {
  4535  		x := v.Args[0]
  4536  		y := v.Args[1]
  4537  		v.reset(OpS390XMOVDNE)
  4538  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4539  		v0.AuxInt = 0
  4540  		v.AddArg(v0)
  4541  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4542  		v1.AuxInt = 1
  4543  		v.AddArg(v1)
  4544  		v2 := b.NewValue0(v.Line, OpS390XFCMPS, TypeFlags)
  4545  		v2.AddArg(x)
  4546  		v2.AddArg(y)
  4547  		v.AddArg(v2)
  4548  		return true
  4549  	}
  4550  }
  4551  func rewriteValueS390X_OpNeq64(v *Value, config *Config) bool {
  4552  	b := v.Block
  4553  	_ = b
  4554  	// match: (Neq64  x y)
  4555  	// cond:
  4556  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  4557  	for {
  4558  		x := v.Args[0]
  4559  		y := v.Args[1]
  4560  		v.reset(OpS390XMOVDNE)
  4561  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4562  		v0.AuxInt = 0
  4563  		v.AddArg(v0)
  4564  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4565  		v1.AuxInt = 1
  4566  		v.AddArg(v1)
  4567  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  4568  		v2.AddArg(x)
  4569  		v2.AddArg(y)
  4570  		v.AddArg(v2)
  4571  		return true
  4572  	}
  4573  }
  4574  func rewriteValueS390X_OpNeq64F(v *Value, config *Config) bool {
  4575  	b := v.Block
  4576  	_ = b
  4577  	// match: (Neq64F x y)
  4578  	// cond:
  4579  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (FCMP x y))
  4580  	for {
  4581  		x := v.Args[0]
  4582  		y := v.Args[1]
  4583  		v.reset(OpS390XMOVDNE)
  4584  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4585  		v0.AuxInt = 0
  4586  		v.AddArg(v0)
  4587  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4588  		v1.AuxInt = 1
  4589  		v.AddArg(v1)
  4590  		v2 := b.NewValue0(v.Line, OpS390XFCMP, TypeFlags)
  4591  		v2.AddArg(x)
  4592  		v2.AddArg(y)
  4593  		v.AddArg(v2)
  4594  		return true
  4595  	}
  4596  }
  4597  func rewriteValueS390X_OpNeq8(v *Value, config *Config) bool {
  4598  	b := v.Block
  4599  	_ = b
  4600  	// match: (Neq8   x y)
  4601  	// cond:
  4602  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  4603  	for {
  4604  		x := v.Args[0]
  4605  		y := v.Args[1]
  4606  		v.reset(OpS390XMOVDNE)
  4607  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4608  		v0.AuxInt = 0
  4609  		v.AddArg(v0)
  4610  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4611  		v1.AuxInt = 1
  4612  		v.AddArg(v1)
  4613  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  4614  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  4615  		v3.AddArg(x)
  4616  		v2.AddArg(v3)
  4617  		v4 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  4618  		v4.AddArg(y)
  4619  		v2.AddArg(v4)
  4620  		v.AddArg(v2)
  4621  		return true
  4622  	}
  4623  }
  4624  func rewriteValueS390X_OpNeqB(v *Value, config *Config) bool {
  4625  	b := v.Block
  4626  	_ = b
  4627  	// match: (NeqB   x y)
  4628  	// cond:
  4629  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  4630  	for {
  4631  		x := v.Args[0]
  4632  		y := v.Args[1]
  4633  		v.reset(OpS390XMOVDNE)
  4634  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4635  		v0.AuxInt = 0
  4636  		v.AddArg(v0)
  4637  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4638  		v1.AuxInt = 1
  4639  		v.AddArg(v1)
  4640  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  4641  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  4642  		v3.AddArg(x)
  4643  		v2.AddArg(v3)
  4644  		v4 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  4645  		v4.AddArg(y)
  4646  		v2.AddArg(v4)
  4647  		v.AddArg(v2)
  4648  		return true
  4649  	}
  4650  }
  4651  func rewriteValueS390X_OpNeqPtr(v *Value, config *Config) bool {
  4652  	b := v.Block
  4653  	_ = b
  4654  	// match: (NeqPtr x y)
  4655  	// cond:
  4656  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  4657  	for {
  4658  		x := v.Args[0]
  4659  		y := v.Args[1]
  4660  		v.reset(OpS390XMOVDNE)
  4661  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4662  		v0.AuxInt = 0
  4663  		v.AddArg(v0)
  4664  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4665  		v1.AuxInt = 1
  4666  		v.AddArg(v1)
  4667  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  4668  		v2.AddArg(x)
  4669  		v2.AddArg(y)
  4670  		v.AddArg(v2)
  4671  		return true
  4672  	}
  4673  }
  4674  func rewriteValueS390X_OpNilCheck(v *Value, config *Config) bool {
  4675  	b := v.Block
  4676  	_ = b
  4677  	// match: (NilCheck ptr mem)
  4678  	// cond:
  4679  	// result: (LoweredNilCheck ptr mem)
  4680  	for {
  4681  		ptr := v.Args[0]
  4682  		mem := v.Args[1]
  4683  		v.reset(OpS390XLoweredNilCheck)
  4684  		v.AddArg(ptr)
  4685  		v.AddArg(mem)
  4686  		return true
  4687  	}
  4688  }
  4689  func rewriteValueS390X_OpNot(v *Value, config *Config) bool {
  4690  	b := v.Block
  4691  	_ = b
  4692  	// match: (Not x)
  4693  	// cond:
  4694  	// result: (XORWconst [1] x)
  4695  	for {
  4696  		x := v.Args[0]
  4697  		v.reset(OpS390XXORWconst)
  4698  		v.AuxInt = 1
  4699  		v.AddArg(x)
  4700  		return true
  4701  	}
  4702  }
  4703  func rewriteValueS390X_OpOffPtr(v *Value, config *Config) bool {
  4704  	b := v.Block
  4705  	_ = b
  4706  	// match: (OffPtr [off] ptr:(SP))
  4707  	// cond:
  4708  	// result: (MOVDaddr [off] ptr)
  4709  	for {
  4710  		off := v.AuxInt
  4711  		ptr := v.Args[0]
  4712  		if ptr.Op != OpSP {
  4713  			break
  4714  		}
  4715  		v.reset(OpS390XMOVDaddr)
  4716  		v.AuxInt = off
  4717  		v.AddArg(ptr)
  4718  		return true
  4719  	}
  4720  	// match: (OffPtr [off] ptr)
  4721  	// cond: is32Bit(off)
  4722  	// result: (ADDconst [off] ptr)
  4723  	for {
  4724  		off := v.AuxInt
  4725  		ptr := v.Args[0]
  4726  		if !(is32Bit(off)) {
  4727  			break
  4728  		}
  4729  		v.reset(OpS390XADDconst)
  4730  		v.AuxInt = off
  4731  		v.AddArg(ptr)
  4732  		return true
  4733  	}
  4734  	// match: (OffPtr [off] ptr)
  4735  	// cond:
  4736  	// result: (ADD (MOVDconst [off]) ptr)
  4737  	for {
  4738  		off := v.AuxInt
  4739  		ptr := v.Args[0]
  4740  		v.reset(OpS390XADD)
  4741  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4742  		v0.AuxInt = off
  4743  		v.AddArg(v0)
  4744  		v.AddArg(ptr)
  4745  		return true
  4746  	}
  4747  }
  4748  func rewriteValueS390X_OpOr16(v *Value, config *Config) bool {
  4749  	b := v.Block
  4750  	_ = b
  4751  	// match: (Or16 x y)
  4752  	// cond:
  4753  	// result: (ORW x y)
  4754  	for {
  4755  		x := v.Args[0]
  4756  		y := v.Args[1]
  4757  		v.reset(OpS390XORW)
  4758  		v.AddArg(x)
  4759  		v.AddArg(y)
  4760  		return true
  4761  	}
  4762  }
  4763  func rewriteValueS390X_OpOr32(v *Value, config *Config) bool {
  4764  	b := v.Block
  4765  	_ = b
  4766  	// match: (Or32 x y)
  4767  	// cond:
  4768  	// result: (ORW x y)
  4769  	for {
  4770  		x := v.Args[0]
  4771  		y := v.Args[1]
  4772  		v.reset(OpS390XORW)
  4773  		v.AddArg(x)
  4774  		v.AddArg(y)
  4775  		return true
  4776  	}
  4777  }
  4778  func rewriteValueS390X_OpOr64(v *Value, config *Config) bool {
  4779  	b := v.Block
  4780  	_ = b
  4781  	// match: (Or64 x y)
  4782  	// cond:
  4783  	// result: (OR x y)
  4784  	for {
  4785  		x := v.Args[0]
  4786  		y := v.Args[1]
  4787  		v.reset(OpS390XOR)
  4788  		v.AddArg(x)
  4789  		v.AddArg(y)
  4790  		return true
  4791  	}
  4792  }
  4793  func rewriteValueS390X_OpOr8(v *Value, config *Config) bool {
  4794  	b := v.Block
  4795  	_ = b
  4796  	// match: (Or8  x y)
  4797  	// cond:
  4798  	// result: (ORW x y)
  4799  	for {
  4800  		x := v.Args[0]
  4801  		y := v.Args[1]
  4802  		v.reset(OpS390XORW)
  4803  		v.AddArg(x)
  4804  		v.AddArg(y)
  4805  		return true
  4806  	}
  4807  }
  4808  func rewriteValueS390X_OpOrB(v *Value, config *Config) bool {
  4809  	b := v.Block
  4810  	_ = b
  4811  	// match: (OrB x y)
  4812  	// cond:
  4813  	// result: (ORW x y)
  4814  	for {
  4815  		x := v.Args[0]
  4816  		y := v.Args[1]
  4817  		v.reset(OpS390XORW)
  4818  		v.AddArg(x)
  4819  		v.AddArg(y)
  4820  		return true
  4821  	}
  4822  }
  4823  func rewriteValueS390X_OpRsh16Ux16(v *Value, config *Config) bool {
  4824  	b := v.Block
  4825  	_ = b
  4826  	// match: (Rsh16Ux16 <t> x y)
  4827  	// cond:
  4828  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [15])))
  4829  	for {
  4830  		t := v.Type
  4831  		x := v.Args[0]
  4832  		y := v.Args[1]
  4833  		v.reset(OpS390XANDW)
  4834  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  4835  		v1 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4836  		v1.AddArg(x)
  4837  		v0.AddArg(v1)
  4838  		v0.AddArg(y)
  4839  		v.AddArg(v0)
  4840  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  4841  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  4842  		v3.AuxInt = 15
  4843  		v4 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4844  		v4.AddArg(y)
  4845  		v3.AddArg(v4)
  4846  		v2.AddArg(v3)
  4847  		v.AddArg(v2)
  4848  		return true
  4849  	}
  4850  }
  4851  func rewriteValueS390X_OpRsh16Ux32(v *Value, config *Config) bool {
  4852  	b := v.Block
  4853  	_ = b
  4854  	// match: (Rsh16Ux32 <t> x y)
  4855  	// cond:
  4856  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPWUconst y [15])))
  4857  	for {
  4858  		t := v.Type
  4859  		x := v.Args[0]
  4860  		y := v.Args[1]
  4861  		v.reset(OpS390XANDW)
  4862  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  4863  		v1 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4864  		v1.AddArg(x)
  4865  		v0.AddArg(v1)
  4866  		v0.AddArg(y)
  4867  		v.AddArg(v0)
  4868  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  4869  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  4870  		v3.AuxInt = 15
  4871  		v3.AddArg(y)
  4872  		v2.AddArg(v3)
  4873  		v.AddArg(v2)
  4874  		return true
  4875  	}
  4876  }
  4877  func rewriteValueS390X_OpRsh16Ux64(v *Value, config *Config) bool {
  4878  	b := v.Block
  4879  	_ = b
  4880  	// match: (Rsh16Ux64 <t> x y)
  4881  	// cond:
  4882  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPUconst y [15])))
  4883  	for {
  4884  		t := v.Type
  4885  		x := v.Args[0]
  4886  		y := v.Args[1]
  4887  		v.reset(OpS390XANDW)
  4888  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  4889  		v1 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4890  		v1.AddArg(x)
  4891  		v0.AddArg(v1)
  4892  		v0.AddArg(y)
  4893  		v.AddArg(v0)
  4894  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  4895  		v3 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  4896  		v3.AuxInt = 15
  4897  		v3.AddArg(y)
  4898  		v2.AddArg(v3)
  4899  		v.AddArg(v2)
  4900  		return true
  4901  	}
  4902  }
  4903  func rewriteValueS390X_OpRsh16Ux8(v *Value, config *Config) bool {
  4904  	b := v.Block
  4905  	_ = b
  4906  	// match: (Rsh16Ux8  <t> x y)
  4907  	// cond:
  4908  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [15])))
  4909  	for {
  4910  		t := v.Type
  4911  		x := v.Args[0]
  4912  		y := v.Args[1]
  4913  		v.reset(OpS390XANDW)
  4914  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  4915  		v1 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4916  		v1.AddArg(x)
  4917  		v0.AddArg(v1)
  4918  		v0.AddArg(y)
  4919  		v.AddArg(v0)
  4920  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  4921  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  4922  		v3.AuxInt = 15
  4923  		v4 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  4924  		v4.AddArg(y)
  4925  		v3.AddArg(v4)
  4926  		v2.AddArg(v3)
  4927  		v.AddArg(v2)
  4928  		return true
  4929  	}
  4930  }
  4931  func rewriteValueS390X_OpRsh16x16(v *Value, config *Config) bool {
  4932  	b := v.Block
  4933  	_ = b
  4934  	// match: (Rsh16x16 <t> x y)
  4935  	// cond:
  4936  	// result: (SRAW <t> (MOVHreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [15])))))
  4937  	for {
  4938  		t := v.Type
  4939  		x := v.Args[0]
  4940  		y := v.Args[1]
  4941  		v.reset(OpS390XSRAW)
  4942  		v.Type = t
  4943  		v0 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  4944  		v0.AddArg(x)
  4945  		v.AddArg(v0)
  4946  		v1 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  4947  		v1.AddArg(y)
  4948  		v2 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  4949  		v3 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  4950  		v4 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  4951  		v4.AuxInt = 15
  4952  		v5 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4953  		v5.AddArg(y)
  4954  		v4.AddArg(v5)
  4955  		v3.AddArg(v4)
  4956  		v2.AddArg(v3)
  4957  		v1.AddArg(v2)
  4958  		v.AddArg(v1)
  4959  		return true
  4960  	}
  4961  }
  4962  func rewriteValueS390X_OpRsh16x32(v *Value, config *Config) bool {
  4963  	b := v.Block
  4964  	_ = b
  4965  	// match: (Rsh16x32 <t> x y)
  4966  	// cond:
  4967  	// result: (SRAW <t> (MOVHreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [15])))))
  4968  	for {
  4969  		t := v.Type
  4970  		x := v.Args[0]
  4971  		y := v.Args[1]
  4972  		v.reset(OpS390XSRAW)
  4973  		v.Type = t
  4974  		v0 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  4975  		v0.AddArg(x)
  4976  		v.AddArg(v0)
  4977  		v1 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  4978  		v1.AddArg(y)
  4979  		v2 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  4980  		v3 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  4981  		v4 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  4982  		v4.AuxInt = 15
  4983  		v4.AddArg(y)
  4984  		v3.AddArg(v4)
  4985  		v2.AddArg(v3)
  4986  		v1.AddArg(v2)
  4987  		v.AddArg(v1)
  4988  		return true
  4989  	}
  4990  }
  4991  func rewriteValueS390X_OpRsh16x64(v *Value, config *Config) bool {
  4992  	b := v.Block
  4993  	_ = b
  4994  	// match: (Rsh16x64 <t> x y)
  4995  	// cond:
  4996  	// result: (SRAW <t> (MOVHreg x) (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [15])))))
  4997  	for {
  4998  		t := v.Type
  4999  		x := v.Args[0]
  5000  		y := v.Args[1]
  5001  		v.reset(OpS390XSRAW)
  5002  		v.Type = t
  5003  		v0 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  5004  		v0.AddArg(x)
  5005  		v.AddArg(v0)
  5006  		v1 := b.NewValue0(v.Line, OpS390XOR, y.Type)
  5007  		v1.AddArg(y)
  5008  		v2 := b.NewValue0(v.Line, OpS390XNOT, y.Type)
  5009  		v3 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, y.Type)
  5010  		v4 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  5011  		v4.AuxInt = 15
  5012  		v4.AddArg(y)
  5013  		v3.AddArg(v4)
  5014  		v2.AddArg(v3)
  5015  		v1.AddArg(v2)
  5016  		v.AddArg(v1)
  5017  		return true
  5018  	}
  5019  }
  5020  func rewriteValueS390X_OpRsh16x8(v *Value, config *Config) bool {
  5021  	b := v.Block
  5022  	_ = b
  5023  	// match: (Rsh16x8  <t> x y)
  5024  	// cond:
  5025  	// result: (SRAW <t> (MOVHreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [15])))))
  5026  	for {
  5027  		t := v.Type
  5028  		x := v.Args[0]
  5029  		y := v.Args[1]
  5030  		v.reset(OpS390XSRAW)
  5031  		v.Type = t
  5032  		v0 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  5033  		v0.AddArg(x)
  5034  		v.AddArg(v0)
  5035  		v1 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5036  		v1.AddArg(y)
  5037  		v2 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5038  		v3 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5039  		v4 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5040  		v4.AuxInt = 15
  5041  		v5 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5042  		v5.AddArg(y)
  5043  		v4.AddArg(v5)
  5044  		v3.AddArg(v4)
  5045  		v2.AddArg(v3)
  5046  		v1.AddArg(v2)
  5047  		v.AddArg(v1)
  5048  		return true
  5049  	}
  5050  }
  5051  func rewriteValueS390X_OpRsh32Ux16(v *Value, config *Config) bool {
  5052  	b := v.Block
  5053  	_ = b
  5054  	// match: (Rsh32Ux16 <t> x y)
  5055  	// cond:
  5056  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  5057  	for {
  5058  		t := v.Type
  5059  		x := v.Args[0]
  5060  		y := v.Args[1]
  5061  		v.reset(OpS390XANDW)
  5062  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5063  		v0.AddArg(x)
  5064  		v0.AddArg(y)
  5065  		v.AddArg(v0)
  5066  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5067  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5068  		v2.AuxInt = 31
  5069  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5070  		v3.AddArg(y)
  5071  		v2.AddArg(v3)
  5072  		v1.AddArg(v2)
  5073  		v.AddArg(v1)
  5074  		return true
  5075  	}
  5076  }
  5077  func rewriteValueS390X_OpRsh32Ux32(v *Value, config *Config) bool {
  5078  	b := v.Block
  5079  	_ = b
  5080  	// match: (Rsh32Ux32 <t> x y)
  5081  	// cond:
  5082  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  5083  	for {
  5084  		t := v.Type
  5085  		x := v.Args[0]
  5086  		y := v.Args[1]
  5087  		v.reset(OpS390XANDW)
  5088  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5089  		v0.AddArg(x)
  5090  		v0.AddArg(y)
  5091  		v.AddArg(v0)
  5092  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5093  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5094  		v2.AuxInt = 31
  5095  		v2.AddArg(y)
  5096  		v1.AddArg(v2)
  5097  		v.AddArg(v1)
  5098  		return true
  5099  	}
  5100  }
  5101  func rewriteValueS390X_OpRsh32Ux64(v *Value, config *Config) bool {
  5102  	b := v.Block
  5103  	_ = b
  5104  	// match: (Rsh32Ux64 <t> x y)
  5105  	// cond:
  5106  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  5107  	for {
  5108  		t := v.Type
  5109  		x := v.Args[0]
  5110  		y := v.Args[1]
  5111  		v.reset(OpS390XANDW)
  5112  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5113  		v0.AddArg(x)
  5114  		v0.AddArg(y)
  5115  		v.AddArg(v0)
  5116  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5117  		v2 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  5118  		v2.AuxInt = 31
  5119  		v2.AddArg(y)
  5120  		v1.AddArg(v2)
  5121  		v.AddArg(v1)
  5122  		return true
  5123  	}
  5124  }
  5125  func rewriteValueS390X_OpRsh32Ux8(v *Value, config *Config) bool {
  5126  	b := v.Block
  5127  	_ = b
  5128  	// match: (Rsh32Ux8  <t> x y)
  5129  	// cond:
  5130  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  5131  	for {
  5132  		t := v.Type
  5133  		x := v.Args[0]
  5134  		y := v.Args[1]
  5135  		v.reset(OpS390XANDW)
  5136  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5137  		v0.AddArg(x)
  5138  		v0.AddArg(y)
  5139  		v.AddArg(v0)
  5140  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5141  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5142  		v2.AuxInt = 31
  5143  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5144  		v3.AddArg(y)
  5145  		v2.AddArg(v3)
  5146  		v1.AddArg(v2)
  5147  		v.AddArg(v1)
  5148  		return true
  5149  	}
  5150  }
  5151  func rewriteValueS390X_OpRsh32x16(v *Value, config *Config) bool {
  5152  	b := v.Block
  5153  	_ = b
  5154  	// match: (Rsh32x16 <t> x y)
  5155  	// cond:
  5156  	// result: (SRAW <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [31])))))
  5157  	for {
  5158  		t := v.Type
  5159  		x := v.Args[0]
  5160  		y := v.Args[1]
  5161  		v.reset(OpS390XSRAW)
  5162  		v.Type = t
  5163  		v.AddArg(x)
  5164  		v0 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5165  		v0.AddArg(y)
  5166  		v1 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5167  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5168  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5169  		v3.AuxInt = 31
  5170  		v4 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5171  		v4.AddArg(y)
  5172  		v3.AddArg(v4)
  5173  		v2.AddArg(v3)
  5174  		v1.AddArg(v2)
  5175  		v0.AddArg(v1)
  5176  		v.AddArg(v0)
  5177  		return true
  5178  	}
  5179  }
  5180  func rewriteValueS390X_OpRsh32x32(v *Value, config *Config) bool {
  5181  	b := v.Block
  5182  	_ = b
  5183  	// match: (Rsh32x32 <t> x y)
  5184  	// cond:
  5185  	// result: (SRAW <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [31])))))
  5186  	for {
  5187  		t := v.Type
  5188  		x := v.Args[0]
  5189  		y := v.Args[1]
  5190  		v.reset(OpS390XSRAW)
  5191  		v.Type = t
  5192  		v.AddArg(x)
  5193  		v0 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5194  		v0.AddArg(y)
  5195  		v1 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5196  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5197  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5198  		v3.AuxInt = 31
  5199  		v3.AddArg(y)
  5200  		v2.AddArg(v3)
  5201  		v1.AddArg(v2)
  5202  		v0.AddArg(v1)
  5203  		v.AddArg(v0)
  5204  		return true
  5205  	}
  5206  }
  5207  func rewriteValueS390X_OpRsh32x64(v *Value, config *Config) bool {
  5208  	b := v.Block
  5209  	_ = b
  5210  	// match: (Rsh32x64 <t> x y)
  5211  	// cond:
  5212  	// result: (SRAW <t> x (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [31])))))
  5213  	for {
  5214  		t := v.Type
  5215  		x := v.Args[0]
  5216  		y := v.Args[1]
  5217  		v.reset(OpS390XSRAW)
  5218  		v.Type = t
  5219  		v.AddArg(x)
  5220  		v0 := b.NewValue0(v.Line, OpS390XOR, y.Type)
  5221  		v0.AddArg(y)
  5222  		v1 := b.NewValue0(v.Line, OpS390XNOT, y.Type)
  5223  		v2 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, y.Type)
  5224  		v3 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  5225  		v3.AuxInt = 31
  5226  		v3.AddArg(y)
  5227  		v2.AddArg(v3)
  5228  		v1.AddArg(v2)
  5229  		v0.AddArg(v1)
  5230  		v.AddArg(v0)
  5231  		return true
  5232  	}
  5233  }
  5234  func rewriteValueS390X_OpRsh32x8(v *Value, config *Config) bool {
  5235  	b := v.Block
  5236  	_ = b
  5237  	// match: (Rsh32x8  <t> x y)
  5238  	// cond:
  5239  	// result: (SRAW <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [31])))))
  5240  	for {
  5241  		t := v.Type
  5242  		x := v.Args[0]
  5243  		y := v.Args[1]
  5244  		v.reset(OpS390XSRAW)
  5245  		v.Type = t
  5246  		v.AddArg(x)
  5247  		v0 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5248  		v0.AddArg(y)
  5249  		v1 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5250  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5251  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5252  		v3.AuxInt = 31
  5253  		v4 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5254  		v4.AddArg(y)
  5255  		v3.AddArg(v4)
  5256  		v2.AddArg(v3)
  5257  		v1.AddArg(v2)
  5258  		v0.AddArg(v1)
  5259  		v.AddArg(v0)
  5260  		return true
  5261  	}
  5262  }
  5263  func rewriteValueS390X_OpRsh64Ux16(v *Value, config *Config) bool {
  5264  	b := v.Block
  5265  	_ = b
  5266  	// match: (Rsh64Ux16 <t> x y)
  5267  	// cond:
  5268  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVHZreg y) [63])))
  5269  	for {
  5270  		t := v.Type
  5271  		x := v.Args[0]
  5272  		y := v.Args[1]
  5273  		v.reset(OpS390XAND)
  5274  		v0 := b.NewValue0(v.Line, OpS390XSRD, t)
  5275  		v0.AddArg(x)
  5276  		v0.AddArg(y)
  5277  		v.AddArg(v0)
  5278  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  5279  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5280  		v2.AuxInt = 63
  5281  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5282  		v3.AddArg(y)
  5283  		v2.AddArg(v3)
  5284  		v1.AddArg(v2)
  5285  		v.AddArg(v1)
  5286  		return true
  5287  	}
  5288  }
  5289  func rewriteValueS390X_OpRsh64Ux32(v *Value, config *Config) bool {
  5290  	b := v.Block
  5291  	_ = b
  5292  	// match: (Rsh64Ux32 <t> x y)
  5293  	// cond:
  5294  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPWUconst y [63])))
  5295  	for {
  5296  		t := v.Type
  5297  		x := v.Args[0]
  5298  		y := v.Args[1]
  5299  		v.reset(OpS390XAND)
  5300  		v0 := b.NewValue0(v.Line, OpS390XSRD, t)
  5301  		v0.AddArg(x)
  5302  		v0.AddArg(y)
  5303  		v.AddArg(v0)
  5304  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  5305  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5306  		v2.AuxInt = 63
  5307  		v2.AddArg(y)
  5308  		v1.AddArg(v2)
  5309  		v.AddArg(v1)
  5310  		return true
  5311  	}
  5312  }
  5313  func rewriteValueS390X_OpRsh64Ux64(v *Value, config *Config) bool {
  5314  	b := v.Block
  5315  	_ = b
  5316  	// match: (Rsh64Ux64 <t> x y)
  5317  	// cond:
  5318  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPUconst y [63])))
  5319  	for {
  5320  		t := v.Type
  5321  		x := v.Args[0]
  5322  		y := v.Args[1]
  5323  		v.reset(OpS390XAND)
  5324  		v0 := b.NewValue0(v.Line, OpS390XSRD, t)
  5325  		v0.AddArg(x)
  5326  		v0.AddArg(y)
  5327  		v.AddArg(v0)
  5328  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  5329  		v2 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  5330  		v2.AuxInt = 63
  5331  		v2.AddArg(y)
  5332  		v1.AddArg(v2)
  5333  		v.AddArg(v1)
  5334  		return true
  5335  	}
  5336  }
  5337  func rewriteValueS390X_OpRsh64Ux8(v *Value, config *Config) bool {
  5338  	b := v.Block
  5339  	_ = b
  5340  	// match: (Rsh64Ux8  <t> x y)
  5341  	// cond:
  5342  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVBZreg y) [63])))
  5343  	for {
  5344  		t := v.Type
  5345  		x := v.Args[0]
  5346  		y := v.Args[1]
  5347  		v.reset(OpS390XAND)
  5348  		v0 := b.NewValue0(v.Line, OpS390XSRD, t)
  5349  		v0.AddArg(x)
  5350  		v0.AddArg(y)
  5351  		v.AddArg(v0)
  5352  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  5353  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5354  		v2.AuxInt = 63
  5355  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5356  		v3.AddArg(y)
  5357  		v2.AddArg(v3)
  5358  		v1.AddArg(v2)
  5359  		v.AddArg(v1)
  5360  		return true
  5361  	}
  5362  }
  5363  func rewriteValueS390X_OpRsh64x16(v *Value, config *Config) bool {
  5364  	b := v.Block
  5365  	_ = b
  5366  	// match: (Rsh64x16 <t> x y)
  5367  	// cond:
  5368  	// result: (SRAD <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [63])))))
  5369  	for {
  5370  		t := v.Type
  5371  		x := v.Args[0]
  5372  		y := v.Args[1]
  5373  		v.reset(OpS390XSRAD)
  5374  		v.Type = t
  5375  		v.AddArg(x)
  5376  		v0 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5377  		v0.AddArg(y)
  5378  		v1 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5379  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5380  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5381  		v3.AuxInt = 63
  5382  		v4 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5383  		v4.AddArg(y)
  5384  		v3.AddArg(v4)
  5385  		v2.AddArg(v3)
  5386  		v1.AddArg(v2)
  5387  		v0.AddArg(v1)
  5388  		v.AddArg(v0)
  5389  		return true
  5390  	}
  5391  }
  5392  func rewriteValueS390X_OpRsh64x32(v *Value, config *Config) bool {
  5393  	b := v.Block
  5394  	_ = b
  5395  	// match: (Rsh64x32 <t> x y)
  5396  	// cond:
  5397  	// result: (SRAD <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [63])))))
  5398  	for {
  5399  		t := v.Type
  5400  		x := v.Args[0]
  5401  		y := v.Args[1]
  5402  		v.reset(OpS390XSRAD)
  5403  		v.Type = t
  5404  		v.AddArg(x)
  5405  		v0 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5406  		v0.AddArg(y)
  5407  		v1 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5408  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5409  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5410  		v3.AuxInt = 63
  5411  		v3.AddArg(y)
  5412  		v2.AddArg(v3)
  5413  		v1.AddArg(v2)
  5414  		v0.AddArg(v1)
  5415  		v.AddArg(v0)
  5416  		return true
  5417  	}
  5418  }
  5419  func rewriteValueS390X_OpRsh64x64(v *Value, config *Config) bool {
  5420  	b := v.Block
  5421  	_ = b
  5422  	// match: (Rsh64x64 <t> x y)
  5423  	// cond:
  5424  	// result: (SRAD <t> x (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [63])))))
  5425  	for {
  5426  		t := v.Type
  5427  		x := v.Args[0]
  5428  		y := v.Args[1]
  5429  		v.reset(OpS390XSRAD)
  5430  		v.Type = t
  5431  		v.AddArg(x)
  5432  		v0 := b.NewValue0(v.Line, OpS390XOR, y.Type)
  5433  		v0.AddArg(y)
  5434  		v1 := b.NewValue0(v.Line, OpS390XNOT, y.Type)
  5435  		v2 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, y.Type)
  5436  		v3 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  5437  		v3.AuxInt = 63
  5438  		v3.AddArg(y)
  5439  		v2.AddArg(v3)
  5440  		v1.AddArg(v2)
  5441  		v0.AddArg(v1)
  5442  		v.AddArg(v0)
  5443  		return true
  5444  	}
  5445  }
  5446  func rewriteValueS390X_OpRsh64x8(v *Value, config *Config) bool {
  5447  	b := v.Block
  5448  	_ = b
  5449  	// match: (Rsh64x8  <t> x y)
  5450  	// cond:
  5451  	// result: (SRAD <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [63])))))
  5452  	for {
  5453  		t := v.Type
  5454  		x := v.Args[0]
  5455  		y := v.Args[1]
  5456  		v.reset(OpS390XSRAD)
  5457  		v.Type = t
  5458  		v.AddArg(x)
  5459  		v0 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5460  		v0.AddArg(y)
  5461  		v1 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5462  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5463  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5464  		v3.AuxInt = 63
  5465  		v4 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5466  		v4.AddArg(y)
  5467  		v3.AddArg(v4)
  5468  		v2.AddArg(v3)
  5469  		v1.AddArg(v2)
  5470  		v0.AddArg(v1)
  5471  		v.AddArg(v0)
  5472  		return true
  5473  	}
  5474  }
  5475  func rewriteValueS390X_OpRsh8Ux16(v *Value, config *Config) bool {
  5476  	b := v.Block
  5477  	_ = b
  5478  	// match: (Rsh8Ux16 <t> x y)
  5479  	// cond:
  5480  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [7])))
  5481  	for {
  5482  		t := v.Type
  5483  		x := v.Args[0]
  5484  		y := v.Args[1]
  5485  		v.reset(OpS390XANDW)
  5486  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5487  		v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5488  		v1.AddArg(x)
  5489  		v0.AddArg(v1)
  5490  		v0.AddArg(y)
  5491  		v.AddArg(v0)
  5492  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5493  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5494  		v3.AuxInt = 7
  5495  		v4 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5496  		v4.AddArg(y)
  5497  		v3.AddArg(v4)
  5498  		v2.AddArg(v3)
  5499  		v.AddArg(v2)
  5500  		return true
  5501  	}
  5502  }
  5503  func rewriteValueS390X_OpRsh8Ux32(v *Value, config *Config) bool {
  5504  	b := v.Block
  5505  	_ = b
  5506  	// match: (Rsh8Ux32 <t> x y)
  5507  	// cond:
  5508  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPWUconst y [7])))
  5509  	for {
  5510  		t := v.Type
  5511  		x := v.Args[0]
  5512  		y := v.Args[1]
  5513  		v.reset(OpS390XANDW)
  5514  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5515  		v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5516  		v1.AddArg(x)
  5517  		v0.AddArg(v1)
  5518  		v0.AddArg(y)
  5519  		v.AddArg(v0)
  5520  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5521  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5522  		v3.AuxInt = 7
  5523  		v3.AddArg(y)
  5524  		v2.AddArg(v3)
  5525  		v.AddArg(v2)
  5526  		return true
  5527  	}
  5528  }
  5529  func rewriteValueS390X_OpRsh8Ux64(v *Value, config *Config) bool {
  5530  	b := v.Block
  5531  	_ = b
  5532  	// match: (Rsh8Ux64 <t> x y)
  5533  	// cond:
  5534  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPUconst y [7])))
  5535  	for {
  5536  		t := v.Type
  5537  		x := v.Args[0]
  5538  		y := v.Args[1]
  5539  		v.reset(OpS390XANDW)
  5540  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5541  		v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5542  		v1.AddArg(x)
  5543  		v0.AddArg(v1)
  5544  		v0.AddArg(y)
  5545  		v.AddArg(v0)
  5546  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5547  		v3 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  5548  		v3.AuxInt = 7
  5549  		v3.AddArg(y)
  5550  		v2.AddArg(v3)
  5551  		v.AddArg(v2)
  5552  		return true
  5553  	}
  5554  }
  5555  func rewriteValueS390X_OpRsh8Ux8(v *Value, config *Config) bool {
  5556  	b := v.Block
  5557  	_ = b
  5558  	// match: (Rsh8Ux8  <t> x y)
  5559  	// cond:
  5560  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [7])))
  5561  	for {
  5562  		t := v.Type
  5563  		x := v.Args[0]
  5564  		y := v.Args[1]
  5565  		v.reset(OpS390XANDW)
  5566  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5567  		v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5568  		v1.AddArg(x)
  5569  		v0.AddArg(v1)
  5570  		v0.AddArg(y)
  5571  		v.AddArg(v0)
  5572  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5573  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5574  		v3.AuxInt = 7
  5575  		v4 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5576  		v4.AddArg(y)
  5577  		v3.AddArg(v4)
  5578  		v2.AddArg(v3)
  5579  		v.AddArg(v2)
  5580  		return true
  5581  	}
  5582  }
  5583  func rewriteValueS390X_OpRsh8x16(v *Value, config *Config) bool {
  5584  	b := v.Block
  5585  	_ = b
  5586  	// match: (Rsh8x16 <t> x y)
  5587  	// cond:
  5588  	// result: (SRAW <t> (MOVBreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [7])))))
  5589  	for {
  5590  		t := v.Type
  5591  		x := v.Args[0]
  5592  		y := v.Args[1]
  5593  		v.reset(OpS390XSRAW)
  5594  		v.Type = t
  5595  		v0 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  5596  		v0.AddArg(x)
  5597  		v.AddArg(v0)
  5598  		v1 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5599  		v1.AddArg(y)
  5600  		v2 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5601  		v3 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5602  		v4 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5603  		v4.AuxInt = 7
  5604  		v5 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5605  		v5.AddArg(y)
  5606  		v4.AddArg(v5)
  5607  		v3.AddArg(v4)
  5608  		v2.AddArg(v3)
  5609  		v1.AddArg(v2)
  5610  		v.AddArg(v1)
  5611  		return true
  5612  	}
  5613  }
  5614  func rewriteValueS390X_OpRsh8x32(v *Value, config *Config) bool {
  5615  	b := v.Block
  5616  	_ = b
  5617  	// match: (Rsh8x32 <t> x y)
  5618  	// cond:
  5619  	// result: (SRAW <t> (MOVBreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [7])))))
  5620  	for {
  5621  		t := v.Type
  5622  		x := v.Args[0]
  5623  		y := v.Args[1]
  5624  		v.reset(OpS390XSRAW)
  5625  		v.Type = t
  5626  		v0 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  5627  		v0.AddArg(x)
  5628  		v.AddArg(v0)
  5629  		v1 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5630  		v1.AddArg(y)
  5631  		v2 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5632  		v3 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5633  		v4 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5634  		v4.AuxInt = 7
  5635  		v4.AddArg(y)
  5636  		v3.AddArg(v4)
  5637  		v2.AddArg(v3)
  5638  		v1.AddArg(v2)
  5639  		v.AddArg(v1)
  5640  		return true
  5641  	}
  5642  }
  5643  func rewriteValueS390X_OpRsh8x64(v *Value, config *Config) bool {
  5644  	b := v.Block
  5645  	_ = b
  5646  	// match: (Rsh8x64 <t> x y)
  5647  	// cond:
  5648  	// result: (SRAW <t> (MOVBreg x) (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [7])))))
  5649  	for {
  5650  		t := v.Type
  5651  		x := v.Args[0]
  5652  		y := v.Args[1]
  5653  		v.reset(OpS390XSRAW)
  5654  		v.Type = t
  5655  		v0 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  5656  		v0.AddArg(x)
  5657  		v.AddArg(v0)
  5658  		v1 := b.NewValue0(v.Line, OpS390XOR, y.Type)
  5659  		v1.AddArg(y)
  5660  		v2 := b.NewValue0(v.Line, OpS390XNOT, y.Type)
  5661  		v3 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, y.Type)
  5662  		v4 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  5663  		v4.AuxInt = 7
  5664  		v4.AddArg(y)
  5665  		v3.AddArg(v4)
  5666  		v2.AddArg(v3)
  5667  		v1.AddArg(v2)
  5668  		v.AddArg(v1)
  5669  		return true
  5670  	}
  5671  }
  5672  func rewriteValueS390X_OpRsh8x8(v *Value, config *Config) bool {
  5673  	b := v.Block
  5674  	_ = b
  5675  	// match: (Rsh8x8  <t> x y)
  5676  	// cond:
  5677  	// result: (SRAW <t> (MOVBreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [7])))))
  5678  	for {
  5679  		t := v.Type
  5680  		x := v.Args[0]
  5681  		y := v.Args[1]
  5682  		v.reset(OpS390XSRAW)
  5683  		v.Type = t
  5684  		v0 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  5685  		v0.AddArg(x)
  5686  		v.AddArg(v0)
  5687  		v1 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5688  		v1.AddArg(y)
  5689  		v2 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5690  		v3 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5691  		v4 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5692  		v4.AuxInt = 7
  5693  		v5 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5694  		v5.AddArg(y)
  5695  		v4.AddArg(v5)
  5696  		v3.AddArg(v4)
  5697  		v2.AddArg(v3)
  5698  		v1.AddArg(v2)
  5699  		v.AddArg(v1)
  5700  		return true
  5701  	}
  5702  }
  5703  func rewriteValueS390X_OpS390XADD(v *Value, config *Config) bool {
  5704  	b := v.Block
  5705  	_ = b
  5706  	// match: (ADD x (MOVDconst [c]))
  5707  	// cond: is32Bit(c)
  5708  	// result: (ADDconst [c] x)
  5709  	for {
  5710  		x := v.Args[0]
  5711  		v_1 := v.Args[1]
  5712  		if v_1.Op != OpS390XMOVDconst {
  5713  			break
  5714  		}
  5715  		c := v_1.AuxInt
  5716  		if !(is32Bit(c)) {
  5717  			break
  5718  		}
  5719  		v.reset(OpS390XADDconst)
  5720  		v.AuxInt = c
  5721  		v.AddArg(x)
  5722  		return true
  5723  	}
  5724  	// match: (ADD (MOVDconst [c]) x)
  5725  	// cond: is32Bit(c)
  5726  	// result: (ADDconst [c] x)
  5727  	for {
  5728  		v_0 := v.Args[0]
  5729  		if v_0.Op != OpS390XMOVDconst {
  5730  			break
  5731  		}
  5732  		c := v_0.AuxInt
  5733  		x := v.Args[1]
  5734  		if !(is32Bit(c)) {
  5735  			break
  5736  		}
  5737  		v.reset(OpS390XADDconst)
  5738  		v.AuxInt = c
  5739  		v.AddArg(x)
  5740  		return true
  5741  	}
  5742  	// match: (ADD x (MOVDaddr [c] {s} y))
  5743  	// cond: x.Op != OpSB && y.Op != OpSB
  5744  	// result: (MOVDaddridx [c] {s} x y)
  5745  	for {
  5746  		x := v.Args[0]
  5747  		v_1 := v.Args[1]
  5748  		if v_1.Op != OpS390XMOVDaddr {
  5749  			break
  5750  		}
  5751  		c := v_1.AuxInt
  5752  		s := v_1.Aux
  5753  		y := v_1.Args[0]
  5754  		if !(x.Op != OpSB && y.Op != OpSB) {
  5755  			break
  5756  		}
  5757  		v.reset(OpS390XMOVDaddridx)
  5758  		v.AuxInt = c
  5759  		v.Aux = s
  5760  		v.AddArg(x)
  5761  		v.AddArg(y)
  5762  		return true
  5763  	}
  5764  	// match: (ADD (MOVDaddr [c] {s} x) y)
  5765  	// cond: x.Op != OpSB && y.Op != OpSB
  5766  	// result: (MOVDaddridx [c] {s} x y)
  5767  	for {
  5768  		v_0 := v.Args[0]
  5769  		if v_0.Op != OpS390XMOVDaddr {
  5770  			break
  5771  		}
  5772  		c := v_0.AuxInt
  5773  		s := v_0.Aux
  5774  		x := v_0.Args[0]
  5775  		y := v.Args[1]
  5776  		if !(x.Op != OpSB && y.Op != OpSB) {
  5777  			break
  5778  		}
  5779  		v.reset(OpS390XMOVDaddridx)
  5780  		v.AuxInt = c
  5781  		v.Aux = s
  5782  		v.AddArg(x)
  5783  		v.AddArg(y)
  5784  		return true
  5785  	}
  5786  	// match: (ADD x (NEG y))
  5787  	// cond:
  5788  	// result: (SUB x y)
  5789  	for {
  5790  		x := v.Args[0]
  5791  		v_1 := v.Args[1]
  5792  		if v_1.Op != OpS390XNEG {
  5793  			break
  5794  		}
  5795  		y := v_1.Args[0]
  5796  		v.reset(OpS390XSUB)
  5797  		v.AddArg(x)
  5798  		v.AddArg(y)
  5799  		return true
  5800  	}
  5801  	// match: (ADD <t> x g:(MOVDload [off] {sym} ptr mem))
  5802  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  5803  	// result: (ADDload <t> [off] {sym} x ptr mem)
  5804  	for {
  5805  		t := v.Type
  5806  		x := v.Args[0]
  5807  		g := v.Args[1]
  5808  		if g.Op != OpS390XMOVDload {
  5809  			break
  5810  		}
  5811  		off := g.AuxInt
  5812  		sym := g.Aux
  5813  		ptr := g.Args[0]
  5814  		mem := g.Args[1]
  5815  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  5816  			break
  5817  		}
  5818  		v.reset(OpS390XADDload)
  5819  		v.Type = t
  5820  		v.AuxInt = off
  5821  		v.Aux = sym
  5822  		v.AddArg(x)
  5823  		v.AddArg(ptr)
  5824  		v.AddArg(mem)
  5825  		return true
  5826  	}
  5827  	// match: (ADD <t> g:(MOVDload [off] {sym} ptr mem) x)
  5828  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  5829  	// result: (ADDload <t> [off] {sym} x ptr mem)
  5830  	for {
  5831  		t := v.Type
  5832  		g := v.Args[0]
  5833  		if g.Op != OpS390XMOVDload {
  5834  			break
  5835  		}
  5836  		off := g.AuxInt
  5837  		sym := g.Aux
  5838  		ptr := g.Args[0]
  5839  		mem := g.Args[1]
  5840  		x := v.Args[1]
  5841  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  5842  			break
  5843  		}
  5844  		v.reset(OpS390XADDload)
  5845  		v.Type = t
  5846  		v.AuxInt = off
  5847  		v.Aux = sym
  5848  		v.AddArg(x)
  5849  		v.AddArg(ptr)
  5850  		v.AddArg(mem)
  5851  		return true
  5852  	}
  5853  	return false
  5854  }
  5855  func rewriteValueS390X_OpS390XADDW(v *Value, config *Config) bool {
  5856  	b := v.Block
  5857  	_ = b
  5858  	// match: (ADDW x (MOVDconst [c]))
  5859  	// cond:
  5860  	// result: (ADDWconst [c] x)
  5861  	for {
  5862  		x := v.Args[0]
  5863  		v_1 := v.Args[1]
  5864  		if v_1.Op != OpS390XMOVDconst {
  5865  			break
  5866  		}
  5867  		c := v_1.AuxInt
  5868  		v.reset(OpS390XADDWconst)
  5869  		v.AuxInt = c
  5870  		v.AddArg(x)
  5871  		return true
  5872  	}
  5873  	// match: (ADDW (MOVDconst [c]) x)
  5874  	// cond:
  5875  	// result: (ADDWconst [c] x)
  5876  	for {
  5877  		v_0 := v.Args[0]
  5878  		if v_0.Op != OpS390XMOVDconst {
  5879  			break
  5880  		}
  5881  		c := v_0.AuxInt
  5882  		x := v.Args[1]
  5883  		v.reset(OpS390XADDWconst)
  5884  		v.AuxInt = c
  5885  		v.AddArg(x)
  5886  		return true
  5887  	}
  5888  	// match: (ADDW x (NEGW y))
  5889  	// cond:
  5890  	// result: (SUBW x y)
  5891  	for {
  5892  		x := v.Args[0]
  5893  		v_1 := v.Args[1]
  5894  		if v_1.Op != OpS390XNEGW {
  5895  			break
  5896  		}
  5897  		y := v_1.Args[0]
  5898  		v.reset(OpS390XSUBW)
  5899  		v.AddArg(x)
  5900  		v.AddArg(y)
  5901  		return true
  5902  	}
  5903  	// match: (ADDW <t> x g:(MOVWload [off] {sym} ptr mem))
  5904  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  5905  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  5906  	for {
  5907  		t := v.Type
  5908  		x := v.Args[0]
  5909  		g := v.Args[1]
  5910  		if g.Op != OpS390XMOVWload {
  5911  			break
  5912  		}
  5913  		off := g.AuxInt
  5914  		sym := g.Aux
  5915  		ptr := g.Args[0]
  5916  		mem := g.Args[1]
  5917  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  5918  			break
  5919  		}
  5920  		v.reset(OpS390XADDWload)
  5921  		v.Type = t
  5922  		v.AuxInt = off
  5923  		v.Aux = sym
  5924  		v.AddArg(x)
  5925  		v.AddArg(ptr)
  5926  		v.AddArg(mem)
  5927  		return true
  5928  	}
  5929  	// match: (ADDW <t> g:(MOVWload [off] {sym} ptr mem) x)
  5930  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  5931  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  5932  	for {
  5933  		t := v.Type
  5934  		g := v.Args[0]
  5935  		if g.Op != OpS390XMOVWload {
  5936  			break
  5937  		}
  5938  		off := g.AuxInt
  5939  		sym := g.Aux
  5940  		ptr := g.Args[0]
  5941  		mem := g.Args[1]
  5942  		x := v.Args[1]
  5943  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  5944  			break
  5945  		}
  5946  		v.reset(OpS390XADDWload)
  5947  		v.Type = t
  5948  		v.AuxInt = off
  5949  		v.Aux = sym
  5950  		v.AddArg(x)
  5951  		v.AddArg(ptr)
  5952  		v.AddArg(mem)
  5953  		return true
  5954  	}
  5955  	// match: (ADDW <t> x g:(MOVWZload [off] {sym} ptr mem))
  5956  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  5957  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  5958  	for {
  5959  		t := v.Type
  5960  		x := v.Args[0]
  5961  		g := v.Args[1]
  5962  		if g.Op != OpS390XMOVWZload {
  5963  			break
  5964  		}
  5965  		off := g.AuxInt
  5966  		sym := g.Aux
  5967  		ptr := g.Args[0]
  5968  		mem := g.Args[1]
  5969  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  5970  			break
  5971  		}
  5972  		v.reset(OpS390XADDWload)
  5973  		v.Type = t
  5974  		v.AuxInt = off
  5975  		v.Aux = sym
  5976  		v.AddArg(x)
  5977  		v.AddArg(ptr)
  5978  		v.AddArg(mem)
  5979  		return true
  5980  	}
  5981  	// match: (ADDW <t> g:(MOVWZload [off] {sym} ptr mem) x)
  5982  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  5983  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  5984  	for {
  5985  		t := v.Type
  5986  		g := v.Args[0]
  5987  		if g.Op != OpS390XMOVWZload {
  5988  			break
  5989  		}
  5990  		off := g.AuxInt
  5991  		sym := g.Aux
  5992  		ptr := g.Args[0]
  5993  		mem := g.Args[1]
  5994  		x := v.Args[1]
  5995  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  5996  			break
  5997  		}
  5998  		v.reset(OpS390XADDWload)
  5999  		v.Type = t
  6000  		v.AuxInt = off
  6001  		v.Aux = sym
  6002  		v.AddArg(x)
  6003  		v.AddArg(ptr)
  6004  		v.AddArg(mem)
  6005  		return true
  6006  	}
  6007  	return false
  6008  }
  6009  func rewriteValueS390X_OpS390XADDWconst(v *Value, config *Config) bool {
  6010  	b := v.Block
  6011  	_ = b
  6012  	// match: (ADDWconst [c] x)
  6013  	// cond: int32(c)==0
  6014  	// result: x
  6015  	for {
  6016  		c := v.AuxInt
  6017  		x := v.Args[0]
  6018  		if !(int32(c) == 0) {
  6019  			break
  6020  		}
  6021  		v.reset(OpCopy)
  6022  		v.Type = x.Type
  6023  		v.AddArg(x)
  6024  		return true
  6025  	}
  6026  	// match: (ADDWconst [c] (MOVDconst [d]))
  6027  	// cond:
  6028  	// result: (MOVDconst [int64(int32(c+d))])
  6029  	for {
  6030  		c := v.AuxInt
  6031  		v_0 := v.Args[0]
  6032  		if v_0.Op != OpS390XMOVDconst {
  6033  			break
  6034  		}
  6035  		d := v_0.AuxInt
  6036  		v.reset(OpS390XMOVDconst)
  6037  		v.AuxInt = int64(int32(c + d))
  6038  		return true
  6039  	}
  6040  	// match: (ADDWconst [c] (ADDWconst [d] x))
  6041  	// cond:
  6042  	// result: (ADDWconst [int64(int32(c+d))] x)
  6043  	for {
  6044  		c := v.AuxInt
  6045  		v_0 := v.Args[0]
  6046  		if v_0.Op != OpS390XADDWconst {
  6047  			break
  6048  		}
  6049  		d := v_0.AuxInt
  6050  		x := v_0.Args[0]
  6051  		v.reset(OpS390XADDWconst)
  6052  		v.AuxInt = int64(int32(c + d))
  6053  		v.AddArg(x)
  6054  		return true
  6055  	}
  6056  	return false
  6057  }
  6058  func rewriteValueS390X_OpS390XADDconst(v *Value, config *Config) bool {
  6059  	b := v.Block
  6060  	_ = b
  6061  	// match: (ADDconst [c] (MOVDaddr [d] {s} x))
  6062  	// cond: ((c+d)&1 == 0) && is32Bit(c+d)
  6063  	// result: (MOVDaddr [c+d] {s} x)
  6064  	for {
  6065  		c := v.AuxInt
  6066  		v_0 := v.Args[0]
  6067  		if v_0.Op != OpS390XMOVDaddr {
  6068  			break
  6069  		}
  6070  		d := v_0.AuxInt
  6071  		s := v_0.Aux
  6072  		x := v_0.Args[0]
  6073  		if !(((c+d)&1 == 0) && is32Bit(c+d)) {
  6074  			break
  6075  		}
  6076  		v.reset(OpS390XMOVDaddr)
  6077  		v.AuxInt = c + d
  6078  		v.Aux = s
  6079  		v.AddArg(x)
  6080  		return true
  6081  	}
  6082  	// match: (ADDconst [c] (MOVDaddr [d] {s} x))
  6083  	// cond: x.Op != OpSB && is32Bit(c+d)
  6084  	// result: (MOVDaddr [c+d] {s} x)
  6085  	for {
  6086  		c := v.AuxInt
  6087  		v_0 := v.Args[0]
  6088  		if v_0.Op != OpS390XMOVDaddr {
  6089  			break
  6090  		}
  6091  		d := v_0.AuxInt
  6092  		s := v_0.Aux
  6093  		x := v_0.Args[0]
  6094  		if !(x.Op != OpSB && is32Bit(c+d)) {
  6095  			break
  6096  		}
  6097  		v.reset(OpS390XMOVDaddr)
  6098  		v.AuxInt = c + d
  6099  		v.Aux = s
  6100  		v.AddArg(x)
  6101  		return true
  6102  	}
  6103  	// match: (ADDconst [c] (MOVDaddridx [d] {s} x y))
  6104  	// cond: is32Bit(c+d)
  6105  	// result: (MOVDaddridx [c+d] {s} x y)
  6106  	for {
  6107  		c := v.AuxInt
  6108  		v_0 := v.Args[0]
  6109  		if v_0.Op != OpS390XMOVDaddridx {
  6110  			break
  6111  		}
  6112  		d := v_0.AuxInt
  6113  		s := v_0.Aux
  6114  		x := v_0.Args[0]
  6115  		y := v_0.Args[1]
  6116  		if !(is32Bit(c + d)) {
  6117  			break
  6118  		}
  6119  		v.reset(OpS390XMOVDaddridx)
  6120  		v.AuxInt = c + d
  6121  		v.Aux = s
  6122  		v.AddArg(x)
  6123  		v.AddArg(y)
  6124  		return true
  6125  	}
  6126  	// match: (ADDconst [0] x)
  6127  	// cond:
  6128  	// result: x
  6129  	for {
  6130  		if v.AuxInt != 0 {
  6131  			break
  6132  		}
  6133  		x := v.Args[0]
  6134  		v.reset(OpCopy)
  6135  		v.Type = x.Type
  6136  		v.AddArg(x)
  6137  		return true
  6138  	}
  6139  	// match: (ADDconst [c] (MOVDconst [d]))
  6140  	// cond:
  6141  	// result: (MOVDconst [c+d])
  6142  	for {
  6143  		c := v.AuxInt
  6144  		v_0 := v.Args[0]
  6145  		if v_0.Op != OpS390XMOVDconst {
  6146  			break
  6147  		}
  6148  		d := v_0.AuxInt
  6149  		v.reset(OpS390XMOVDconst)
  6150  		v.AuxInt = c + d
  6151  		return true
  6152  	}
  6153  	// match: (ADDconst [c] (ADDconst [d] x))
  6154  	// cond: is32Bit(c+d)
  6155  	// result: (ADDconst [c+d] x)
  6156  	for {
  6157  		c := v.AuxInt
  6158  		v_0 := v.Args[0]
  6159  		if v_0.Op != OpS390XADDconst {
  6160  			break
  6161  		}
  6162  		d := v_0.AuxInt
  6163  		x := v_0.Args[0]
  6164  		if !(is32Bit(c + d)) {
  6165  			break
  6166  		}
  6167  		v.reset(OpS390XADDconst)
  6168  		v.AuxInt = c + d
  6169  		v.AddArg(x)
  6170  		return true
  6171  	}
  6172  	return false
  6173  }
  6174  func rewriteValueS390X_OpS390XAND(v *Value, config *Config) bool {
  6175  	b := v.Block
  6176  	_ = b
  6177  	// match: (AND x (MOVDconst [c]))
  6178  	// cond: is32Bit(c) && c < 0
  6179  	// result: (ANDconst [c] x)
  6180  	for {
  6181  		x := v.Args[0]
  6182  		v_1 := v.Args[1]
  6183  		if v_1.Op != OpS390XMOVDconst {
  6184  			break
  6185  		}
  6186  		c := v_1.AuxInt
  6187  		if !(is32Bit(c) && c < 0) {
  6188  			break
  6189  		}
  6190  		v.reset(OpS390XANDconst)
  6191  		v.AuxInt = c
  6192  		v.AddArg(x)
  6193  		return true
  6194  	}
  6195  	// match: (AND (MOVDconst [c]) x)
  6196  	// cond: is32Bit(c) && c < 0
  6197  	// result: (ANDconst [c] x)
  6198  	for {
  6199  		v_0 := v.Args[0]
  6200  		if v_0.Op != OpS390XMOVDconst {
  6201  			break
  6202  		}
  6203  		c := v_0.AuxInt
  6204  		x := v.Args[1]
  6205  		if !(is32Bit(c) && c < 0) {
  6206  			break
  6207  		}
  6208  		v.reset(OpS390XANDconst)
  6209  		v.AuxInt = c
  6210  		v.AddArg(x)
  6211  		return true
  6212  	}
  6213  	// match: (AND (MOVDconst [0xFF]) x)
  6214  	// cond:
  6215  	// result: (MOVBZreg x)
  6216  	for {
  6217  		v_0 := v.Args[0]
  6218  		if v_0.Op != OpS390XMOVDconst {
  6219  			break
  6220  		}
  6221  		if v_0.AuxInt != 0xFF {
  6222  			break
  6223  		}
  6224  		x := v.Args[1]
  6225  		v.reset(OpS390XMOVBZreg)
  6226  		v.AddArg(x)
  6227  		return true
  6228  	}
  6229  	// match: (AND x (MOVDconst [0xFF]))
  6230  	// cond:
  6231  	// result: (MOVBZreg x)
  6232  	for {
  6233  		x := v.Args[0]
  6234  		v_1 := v.Args[1]
  6235  		if v_1.Op != OpS390XMOVDconst {
  6236  			break
  6237  		}
  6238  		if v_1.AuxInt != 0xFF {
  6239  			break
  6240  		}
  6241  		v.reset(OpS390XMOVBZreg)
  6242  		v.AddArg(x)
  6243  		return true
  6244  	}
  6245  	// match: (AND (MOVDconst [0xFFFF]) x)
  6246  	// cond:
  6247  	// result: (MOVHZreg x)
  6248  	for {
  6249  		v_0 := v.Args[0]
  6250  		if v_0.Op != OpS390XMOVDconst {
  6251  			break
  6252  		}
  6253  		if v_0.AuxInt != 0xFFFF {
  6254  			break
  6255  		}
  6256  		x := v.Args[1]
  6257  		v.reset(OpS390XMOVHZreg)
  6258  		v.AddArg(x)
  6259  		return true
  6260  	}
  6261  	// match: (AND x (MOVDconst [0xFFFF]))
  6262  	// cond:
  6263  	// result: (MOVHZreg x)
  6264  	for {
  6265  		x := v.Args[0]
  6266  		v_1 := v.Args[1]
  6267  		if v_1.Op != OpS390XMOVDconst {
  6268  			break
  6269  		}
  6270  		if v_1.AuxInt != 0xFFFF {
  6271  			break
  6272  		}
  6273  		v.reset(OpS390XMOVHZreg)
  6274  		v.AddArg(x)
  6275  		return true
  6276  	}
  6277  	// match: (AND (MOVDconst [0xFFFFFFFF]) x)
  6278  	// cond:
  6279  	// result: (MOVWZreg x)
  6280  	for {
  6281  		v_0 := v.Args[0]
  6282  		if v_0.Op != OpS390XMOVDconst {
  6283  			break
  6284  		}
  6285  		if v_0.AuxInt != 0xFFFFFFFF {
  6286  			break
  6287  		}
  6288  		x := v.Args[1]
  6289  		v.reset(OpS390XMOVWZreg)
  6290  		v.AddArg(x)
  6291  		return true
  6292  	}
  6293  	// match: (AND x (MOVDconst [0xFFFFFFFF]))
  6294  	// cond:
  6295  	// result: (MOVWZreg x)
  6296  	for {
  6297  		x := v.Args[0]
  6298  		v_1 := v.Args[1]
  6299  		if v_1.Op != OpS390XMOVDconst {
  6300  			break
  6301  		}
  6302  		if v_1.AuxInt != 0xFFFFFFFF {
  6303  			break
  6304  		}
  6305  		v.reset(OpS390XMOVWZreg)
  6306  		v.AddArg(x)
  6307  		return true
  6308  	}
  6309  	// match: (AND (MOVDconst [c]) (MOVDconst [d]))
  6310  	// cond:
  6311  	// result: (MOVDconst [c&d])
  6312  	for {
  6313  		v_0 := v.Args[0]
  6314  		if v_0.Op != OpS390XMOVDconst {
  6315  			break
  6316  		}
  6317  		c := v_0.AuxInt
  6318  		v_1 := v.Args[1]
  6319  		if v_1.Op != OpS390XMOVDconst {
  6320  			break
  6321  		}
  6322  		d := v_1.AuxInt
  6323  		v.reset(OpS390XMOVDconst)
  6324  		v.AuxInt = c & d
  6325  		return true
  6326  	}
  6327  	// match: (AND x x)
  6328  	// cond:
  6329  	// result: x
  6330  	for {
  6331  		x := v.Args[0]
  6332  		if x != v.Args[1] {
  6333  			break
  6334  		}
  6335  		v.reset(OpCopy)
  6336  		v.Type = x.Type
  6337  		v.AddArg(x)
  6338  		return true
  6339  	}
  6340  	// match: (AND <t> x g:(MOVDload [off] {sym} ptr mem))
  6341  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6342  	// result: (ANDload <t> [off] {sym} x ptr mem)
  6343  	for {
  6344  		t := v.Type
  6345  		x := v.Args[0]
  6346  		g := v.Args[1]
  6347  		if g.Op != OpS390XMOVDload {
  6348  			break
  6349  		}
  6350  		off := g.AuxInt
  6351  		sym := g.Aux
  6352  		ptr := g.Args[0]
  6353  		mem := g.Args[1]
  6354  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6355  			break
  6356  		}
  6357  		v.reset(OpS390XANDload)
  6358  		v.Type = t
  6359  		v.AuxInt = off
  6360  		v.Aux = sym
  6361  		v.AddArg(x)
  6362  		v.AddArg(ptr)
  6363  		v.AddArg(mem)
  6364  		return true
  6365  	}
  6366  	// match: (AND <t> g:(MOVDload [off] {sym} ptr mem) x)
  6367  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6368  	// result: (ANDload <t> [off] {sym} x ptr mem)
  6369  	for {
  6370  		t := v.Type
  6371  		g := v.Args[0]
  6372  		if g.Op != OpS390XMOVDload {
  6373  			break
  6374  		}
  6375  		off := g.AuxInt
  6376  		sym := g.Aux
  6377  		ptr := g.Args[0]
  6378  		mem := g.Args[1]
  6379  		x := v.Args[1]
  6380  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6381  			break
  6382  		}
  6383  		v.reset(OpS390XANDload)
  6384  		v.Type = t
  6385  		v.AuxInt = off
  6386  		v.Aux = sym
  6387  		v.AddArg(x)
  6388  		v.AddArg(ptr)
  6389  		v.AddArg(mem)
  6390  		return true
  6391  	}
  6392  	return false
  6393  }
  6394  func rewriteValueS390X_OpS390XANDW(v *Value, config *Config) bool {
  6395  	b := v.Block
  6396  	_ = b
  6397  	// match: (ANDW x (MOVDconst [c]))
  6398  	// cond:
  6399  	// result: (ANDWconst [c] x)
  6400  	for {
  6401  		x := v.Args[0]
  6402  		v_1 := v.Args[1]
  6403  		if v_1.Op != OpS390XMOVDconst {
  6404  			break
  6405  		}
  6406  		c := v_1.AuxInt
  6407  		v.reset(OpS390XANDWconst)
  6408  		v.AuxInt = c
  6409  		v.AddArg(x)
  6410  		return true
  6411  	}
  6412  	// match: (ANDW (MOVDconst [c]) x)
  6413  	// cond:
  6414  	// result: (ANDWconst [c] x)
  6415  	for {
  6416  		v_0 := v.Args[0]
  6417  		if v_0.Op != OpS390XMOVDconst {
  6418  			break
  6419  		}
  6420  		c := v_0.AuxInt
  6421  		x := v.Args[1]
  6422  		v.reset(OpS390XANDWconst)
  6423  		v.AuxInt = c
  6424  		v.AddArg(x)
  6425  		return true
  6426  	}
  6427  	// match: (ANDW x x)
  6428  	// cond:
  6429  	// result: x
  6430  	for {
  6431  		x := v.Args[0]
  6432  		if x != v.Args[1] {
  6433  			break
  6434  		}
  6435  		v.reset(OpCopy)
  6436  		v.Type = x.Type
  6437  		v.AddArg(x)
  6438  		return true
  6439  	}
  6440  	// match: (ANDW <t> x g:(MOVWload [off] {sym} ptr mem))
  6441  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6442  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6443  	for {
  6444  		t := v.Type
  6445  		x := v.Args[0]
  6446  		g := v.Args[1]
  6447  		if g.Op != OpS390XMOVWload {
  6448  			break
  6449  		}
  6450  		off := g.AuxInt
  6451  		sym := g.Aux
  6452  		ptr := g.Args[0]
  6453  		mem := g.Args[1]
  6454  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6455  			break
  6456  		}
  6457  		v.reset(OpS390XANDWload)
  6458  		v.Type = t
  6459  		v.AuxInt = off
  6460  		v.Aux = sym
  6461  		v.AddArg(x)
  6462  		v.AddArg(ptr)
  6463  		v.AddArg(mem)
  6464  		return true
  6465  	}
  6466  	// match: (ANDW <t> g:(MOVWload [off] {sym} ptr mem) x)
  6467  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6468  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6469  	for {
  6470  		t := v.Type
  6471  		g := v.Args[0]
  6472  		if g.Op != OpS390XMOVWload {
  6473  			break
  6474  		}
  6475  		off := g.AuxInt
  6476  		sym := g.Aux
  6477  		ptr := g.Args[0]
  6478  		mem := g.Args[1]
  6479  		x := v.Args[1]
  6480  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6481  			break
  6482  		}
  6483  		v.reset(OpS390XANDWload)
  6484  		v.Type = t
  6485  		v.AuxInt = off
  6486  		v.Aux = sym
  6487  		v.AddArg(x)
  6488  		v.AddArg(ptr)
  6489  		v.AddArg(mem)
  6490  		return true
  6491  	}
  6492  	// match: (ANDW <t> x g:(MOVWZload [off] {sym} ptr mem))
  6493  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6494  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6495  	for {
  6496  		t := v.Type
  6497  		x := v.Args[0]
  6498  		g := v.Args[1]
  6499  		if g.Op != OpS390XMOVWZload {
  6500  			break
  6501  		}
  6502  		off := g.AuxInt
  6503  		sym := g.Aux
  6504  		ptr := g.Args[0]
  6505  		mem := g.Args[1]
  6506  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6507  			break
  6508  		}
  6509  		v.reset(OpS390XANDWload)
  6510  		v.Type = t
  6511  		v.AuxInt = off
  6512  		v.Aux = sym
  6513  		v.AddArg(x)
  6514  		v.AddArg(ptr)
  6515  		v.AddArg(mem)
  6516  		return true
  6517  	}
  6518  	// match: (ANDW <t> g:(MOVWZload [off] {sym} ptr mem) x)
  6519  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6520  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6521  	for {
  6522  		t := v.Type
  6523  		g := v.Args[0]
  6524  		if g.Op != OpS390XMOVWZload {
  6525  			break
  6526  		}
  6527  		off := g.AuxInt
  6528  		sym := g.Aux
  6529  		ptr := g.Args[0]
  6530  		mem := g.Args[1]
  6531  		x := v.Args[1]
  6532  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6533  			break
  6534  		}
  6535  		v.reset(OpS390XANDWload)
  6536  		v.Type = t
  6537  		v.AuxInt = off
  6538  		v.Aux = sym
  6539  		v.AddArg(x)
  6540  		v.AddArg(ptr)
  6541  		v.AddArg(mem)
  6542  		return true
  6543  	}
  6544  	return false
  6545  }
  6546  func rewriteValueS390X_OpS390XANDWconst(v *Value, config *Config) bool {
  6547  	b := v.Block
  6548  	_ = b
  6549  	// match: (ANDWconst [c] (ANDWconst [d] x))
  6550  	// cond:
  6551  	// result: (ANDWconst [c & d] x)
  6552  	for {
  6553  		c := v.AuxInt
  6554  		v_0 := v.Args[0]
  6555  		if v_0.Op != OpS390XANDWconst {
  6556  			break
  6557  		}
  6558  		d := v_0.AuxInt
  6559  		x := v_0.Args[0]
  6560  		v.reset(OpS390XANDWconst)
  6561  		v.AuxInt = c & d
  6562  		v.AddArg(x)
  6563  		return true
  6564  	}
  6565  	// match: (ANDWconst [0xFF] x)
  6566  	// cond:
  6567  	// result: (MOVBZreg x)
  6568  	for {
  6569  		if v.AuxInt != 0xFF {
  6570  			break
  6571  		}
  6572  		x := v.Args[0]
  6573  		v.reset(OpS390XMOVBZreg)
  6574  		v.AddArg(x)
  6575  		return true
  6576  	}
  6577  	// match: (ANDWconst [0xFFFF] x)
  6578  	// cond:
  6579  	// result: (MOVHZreg x)
  6580  	for {
  6581  		if v.AuxInt != 0xFFFF {
  6582  			break
  6583  		}
  6584  		x := v.Args[0]
  6585  		v.reset(OpS390XMOVHZreg)
  6586  		v.AddArg(x)
  6587  		return true
  6588  	}
  6589  	// match: (ANDWconst [c] _)
  6590  	// cond: int32(c)==0
  6591  	// result: (MOVDconst [0])
  6592  	for {
  6593  		c := v.AuxInt
  6594  		if !(int32(c) == 0) {
  6595  			break
  6596  		}
  6597  		v.reset(OpS390XMOVDconst)
  6598  		v.AuxInt = 0
  6599  		return true
  6600  	}
  6601  	// match: (ANDWconst [c] x)
  6602  	// cond: int32(c)==-1
  6603  	// result: x
  6604  	for {
  6605  		c := v.AuxInt
  6606  		x := v.Args[0]
  6607  		if !(int32(c) == -1) {
  6608  			break
  6609  		}
  6610  		v.reset(OpCopy)
  6611  		v.Type = x.Type
  6612  		v.AddArg(x)
  6613  		return true
  6614  	}
  6615  	// match: (ANDWconst [c] (MOVDconst [d]))
  6616  	// cond:
  6617  	// result: (MOVDconst [c&d])
  6618  	for {
  6619  		c := v.AuxInt
  6620  		v_0 := v.Args[0]
  6621  		if v_0.Op != OpS390XMOVDconst {
  6622  			break
  6623  		}
  6624  		d := v_0.AuxInt
  6625  		v.reset(OpS390XMOVDconst)
  6626  		v.AuxInt = c & d
  6627  		return true
  6628  	}
  6629  	return false
  6630  }
  6631  func rewriteValueS390X_OpS390XANDconst(v *Value, config *Config) bool {
  6632  	b := v.Block
  6633  	_ = b
  6634  	// match: (ANDconst [c] (ANDconst [d] x))
  6635  	// cond:
  6636  	// result: (ANDconst [c & d] x)
  6637  	for {
  6638  		c := v.AuxInt
  6639  		v_0 := v.Args[0]
  6640  		if v_0.Op != OpS390XANDconst {
  6641  			break
  6642  		}
  6643  		d := v_0.AuxInt
  6644  		x := v_0.Args[0]
  6645  		v.reset(OpS390XANDconst)
  6646  		v.AuxInt = c & d
  6647  		v.AddArg(x)
  6648  		return true
  6649  	}
  6650  	// match: (ANDconst [0] _)
  6651  	// cond:
  6652  	// result: (MOVDconst [0])
  6653  	for {
  6654  		if v.AuxInt != 0 {
  6655  			break
  6656  		}
  6657  		v.reset(OpS390XMOVDconst)
  6658  		v.AuxInt = 0
  6659  		return true
  6660  	}
  6661  	// match: (ANDconst [-1] x)
  6662  	// cond:
  6663  	// result: x
  6664  	for {
  6665  		if v.AuxInt != -1 {
  6666  			break
  6667  		}
  6668  		x := v.Args[0]
  6669  		v.reset(OpCopy)
  6670  		v.Type = x.Type
  6671  		v.AddArg(x)
  6672  		return true
  6673  	}
  6674  	// match: (ANDconst [c] (MOVDconst [d]))
  6675  	// cond:
  6676  	// result: (MOVDconst [c&d])
  6677  	for {
  6678  		c := v.AuxInt
  6679  		v_0 := v.Args[0]
  6680  		if v_0.Op != OpS390XMOVDconst {
  6681  			break
  6682  		}
  6683  		d := v_0.AuxInt
  6684  		v.reset(OpS390XMOVDconst)
  6685  		v.AuxInt = c & d
  6686  		return true
  6687  	}
  6688  	return false
  6689  }
  6690  func rewriteValueS390X_OpS390XCMP(v *Value, config *Config) bool {
  6691  	b := v.Block
  6692  	_ = b
  6693  	// match: (CMP x (MOVDconst [c]))
  6694  	// cond: is32Bit(c)
  6695  	// result: (CMPconst x [c])
  6696  	for {
  6697  		x := v.Args[0]
  6698  		v_1 := v.Args[1]
  6699  		if v_1.Op != OpS390XMOVDconst {
  6700  			break
  6701  		}
  6702  		c := v_1.AuxInt
  6703  		if !(is32Bit(c)) {
  6704  			break
  6705  		}
  6706  		v.reset(OpS390XCMPconst)
  6707  		v.AuxInt = c
  6708  		v.AddArg(x)
  6709  		return true
  6710  	}
  6711  	// match: (CMP (MOVDconst [c]) x)
  6712  	// cond: is32Bit(c)
  6713  	// result: (InvertFlags (CMPconst x [c]))
  6714  	for {
  6715  		v_0 := v.Args[0]
  6716  		if v_0.Op != OpS390XMOVDconst {
  6717  			break
  6718  		}
  6719  		c := v_0.AuxInt
  6720  		x := v.Args[1]
  6721  		if !(is32Bit(c)) {
  6722  			break
  6723  		}
  6724  		v.reset(OpS390XInvertFlags)
  6725  		v0 := b.NewValue0(v.Line, OpS390XCMPconst, TypeFlags)
  6726  		v0.AuxInt = c
  6727  		v0.AddArg(x)
  6728  		v.AddArg(v0)
  6729  		return true
  6730  	}
  6731  	return false
  6732  }
  6733  func rewriteValueS390X_OpS390XCMPU(v *Value, config *Config) bool {
  6734  	b := v.Block
  6735  	_ = b
  6736  	// match: (CMPU x (MOVDconst [c]))
  6737  	// cond: is32Bit(c)
  6738  	// result: (CMPUconst x [int64(uint32(c))])
  6739  	for {
  6740  		x := v.Args[0]
  6741  		v_1 := v.Args[1]
  6742  		if v_1.Op != OpS390XMOVDconst {
  6743  			break
  6744  		}
  6745  		c := v_1.AuxInt
  6746  		if !(is32Bit(c)) {
  6747  			break
  6748  		}
  6749  		v.reset(OpS390XCMPUconst)
  6750  		v.AuxInt = int64(uint32(c))
  6751  		v.AddArg(x)
  6752  		return true
  6753  	}
  6754  	// match: (CMPU (MOVDconst [c]) x)
  6755  	// cond: is32Bit(c)
  6756  	// result: (InvertFlags (CMPUconst x [int64(uint32(c))]))
  6757  	for {
  6758  		v_0 := v.Args[0]
  6759  		if v_0.Op != OpS390XMOVDconst {
  6760  			break
  6761  		}
  6762  		c := v_0.AuxInt
  6763  		x := v.Args[1]
  6764  		if !(is32Bit(c)) {
  6765  			break
  6766  		}
  6767  		v.reset(OpS390XInvertFlags)
  6768  		v0 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  6769  		v0.AuxInt = int64(uint32(c))
  6770  		v0.AddArg(x)
  6771  		v.AddArg(v0)
  6772  		return true
  6773  	}
  6774  	return false
  6775  }
  6776  func rewriteValueS390X_OpS390XCMPUconst(v *Value, config *Config) bool {
  6777  	b := v.Block
  6778  	_ = b
  6779  	// match: (CMPUconst (MOVDconst [x]) [y])
  6780  	// cond: uint64(x)==uint64(y)
  6781  	// result: (FlagEQ)
  6782  	for {
  6783  		y := v.AuxInt
  6784  		v_0 := v.Args[0]
  6785  		if v_0.Op != OpS390XMOVDconst {
  6786  			break
  6787  		}
  6788  		x := v_0.AuxInt
  6789  		if !(uint64(x) == uint64(y)) {
  6790  			break
  6791  		}
  6792  		v.reset(OpS390XFlagEQ)
  6793  		return true
  6794  	}
  6795  	// match: (CMPUconst (MOVDconst [x]) [y])
  6796  	// cond: uint64(x)<uint64(y)
  6797  	// result: (FlagLT)
  6798  	for {
  6799  		y := v.AuxInt
  6800  		v_0 := v.Args[0]
  6801  		if v_0.Op != OpS390XMOVDconst {
  6802  			break
  6803  		}
  6804  		x := v_0.AuxInt
  6805  		if !(uint64(x) < uint64(y)) {
  6806  			break
  6807  		}
  6808  		v.reset(OpS390XFlagLT)
  6809  		return true
  6810  	}
  6811  	// match: (CMPUconst (MOVDconst [x]) [y])
  6812  	// cond: uint64(x)>uint64(y)
  6813  	// result: (FlagGT)
  6814  	for {
  6815  		y := v.AuxInt
  6816  		v_0 := v.Args[0]
  6817  		if v_0.Op != OpS390XMOVDconst {
  6818  			break
  6819  		}
  6820  		x := v_0.AuxInt
  6821  		if !(uint64(x) > uint64(y)) {
  6822  			break
  6823  		}
  6824  		v.reset(OpS390XFlagGT)
  6825  		return true
  6826  	}
  6827  	return false
  6828  }
  6829  func rewriteValueS390X_OpS390XCMPW(v *Value, config *Config) bool {
  6830  	b := v.Block
  6831  	_ = b
  6832  	// match: (CMPW x (MOVDconst [c]))
  6833  	// cond:
  6834  	// result: (CMPWconst x [c])
  6835  	for {
  6836  		x := v.Args[0]
  6837  		v_1 := v.Args[1]
  6838  		if v_1.Op != OpS390XMOVDconst {
  6839  			break
  6840  		}
  6841  		c := v_1.AuxInt
  6842  		v.reset(OpS390XCMPWconst)
  6843  		v.AuxInt = c
  6844  		v.AddArg(x)
  6845  		return true
  6846  	}
  6847  	// match: (CMPW (MOVDconst [c]) x)
  6848  	// cond:
  6849  	// result: (InvertFlags (CMPWconst x [c]))
  6850  	for {
  6851  		v_0 := v.Args[0]
  6852  		if v_0.Op != OpS390XMOVDconst {
  6853  			break
  6854  		}
  6855  		c := v_0.AuxInt
  6856  		x := v.Args[1]
  6857  		v.reset(OpS390XInvertFlags)
  6858  		v0 := b.NewValue0(v.Line, OpS390XCMPWconst, TypeFlags)
  6859  		v0.AuxInt = c
  6860  		v0.AddArg(x)
  6861  		v.AddArg(v0)
  6862  		return true
  6863  	}
  6864  	return false
  6865  }
  6866  func rewriteValueS390X_OpS390XCMPWU(v *Value, config *Config) bool {
  6867  	b := v.Block
  6868  	_ = b
  6869  	// match: (CMPWU x (MOVDconst [c]))
  6870  	// cond:
  6871  	// result: (CMPWUconst x [int64(uint32(c))])
  6872  	for {
  6873  		x := v.Args[0]
  6874  		v_1 := v.Args[1]
  6875  		if v_1.Op != OpS390XMOVDconst {
  6876  			break
  6877  		}
  6878  		c := v_1.AuxInt
  6879  		v.reset(OpS390XCMPWUconst)
  6880  		v.AuxInt = int64(uint32(c))
  6881  		v.AddArg(x)
  6882  		return true
  6883  	}
  6884  	// match: (CMPWU (MOVDconst [c]) x)
  6885  	// cond:
  6886  	// result: (InvertFlags (CMPWUconst x [int64(uint32(c))]))
  6887  	for {
  6888  		v_0 := v.Args[0]
  6889  		if v_0.Op != OpS390XMOVDconst {
  6890  			break
  6891  		}
  6892  		c := v_0.AuxInt
  6893  		x := v.Args[1]
  6894  		v.reset(OpS390XInvertFlags)
  6895  		v0 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  6896  		v0.AuxInt = int64(uint32(c))
  6897  		v0.AddArg(x)
  6898  		v.AddArg(v0)
  6899  		return true
  6900  	}
  6901  	return false
  6902  }
  6903  func rewriteValueS390X_OpS390XCMPWUconst(v *Value, config *Config) bool {
  6904  	b := v.Block
  6905  	_ = b
  6906  	// match: (CMPWUconst (MOVDconst [x]) [y])
  6907  	// cond: uint32(x)==uint32(y)
  6908  	// result: (FlagEQ)
  6909  	for {
  6910  		y := v.AuxInt
  6911  		v_0 := v.Args[0]
  6912  		if v_0.Op != OpS390XMOVDconst {
  6913  			break
  6914  		}
  6915  		x := v_0.AuxInt
  6916  		if !(uint32(x) == uint32(y)) {
  6917  			break
  6918  		}
  6919  		v.reset(OpS390XFlagEQ)
  6920  		return true
  6921  	}
  6922  	// match: (CMPWUconst (MOVDconst [x]) [y])
  6923  	// cond: uint32(x)<uint32(y)
  6924  	// result: (FlagLT)
  6925  	for {
  6926  		y := v.AuxInt
  6927  		v_0 := v.Args[0]
  6928  		if v_0.Op != OpS390XMOVDconst {
  6929  			break
  6930  		}
  6931  		x := v_0.AuxInt
  6932  		if !(uint32(x) < uint32(y)) {
  6933  			break
  6934  		}
  6935  		v.reset(OpS390XFlagLT)
  6936  		return true
  6937  	}
  6938  	// match: (CMPWUconst (MOVDconst [x]) [y])
  6939  	// cond: uint32(x)>uint32(y)
  6940  	// result: (FlagGT)
  6941  	for {
  6942  		y := v.AuxInt
  6943  		v_0 := v.Args[0]
  6944  		if v_0.Op != OpS390XMOVDconst {
  6945  			break
  6946  		}
  6947  		x := v_0.AuxInt
  6948  		if !(uint32(x) > uint32(y)) {
  6949  			break
  6950  		}
  6951  		v.reset(OpS390XFlagGT)
  6952  		return true
  6953  	}
  6954  	return false
  6955  }
  6956  func rewriteValueS390X_OpS390XCMPWconst(v *Value, config *Config) bool {
  6957  	b := v.Block
  6958  	_ = b
  6959  	// match: (CMPWconst (MOVDconst [x]) [y])
  6960  	// cond: int32(x)==int32(y)
  6961  	// result: (FlagEQ)
  6962  	for {
  6963  		y := v.AuxInt
  6964  		v_0 := v.Args[0]
  6965  		if v_0.Op != OpS390XMOVDconst {
  6966  			break
  6967  		}
  6968  		x := v_0.AuxInt
  6969  		if !(int32(x) == int32(y)) {
  6970  			break
  6971  		}
  6972  		v.reset(OpS390XFlagEQ)
  6973  		return true
  6974  	}
  6975  	// match: (CMPWconst (MOVDconst [x]) [y])
  6976  	// cond: int32(x)<int32(y)
  6977  	// result: (FlagLT)
  6978  	for {
  6979  		y := v.AuxInt
  6980  		v_0 := v.Args[0]
  6981  		if v_0.Op != OpS390XMOVDconst {
  6982  			break
  6983  		}
  6984  		x := v_0.AuxInt
  6985  		if !(int32(x) < int32(y)) {
  6986  			break
  6987  		}
  6988  		v.reset(OpS390XFlagLT)
  6989  		return true
  6990  	}
  6991  	// match: (CMPWconst (MOVDconst [x]) [y])
  6992  	// cond: int32(x)>int32(y)
  6993  	// result: (FlagGT)
  6994  	for {
  6995  		y := v.AuxInt
  6996  		v_0 := v.Args[0]
  6997  		if v_0.Op != OpS390XMOVDconst {
  6998  			break
  6999  		}
  7000  		x := v_0.AuxInt
  7001  		if !(int32(x) > int32(y)) {
  7002  			break
  7003  		}
  7004  		v.reset(OpS390XFlagGT)
  7005  		return true
  7006  	}
  7007  	// match: (CMPWconst (SRWconst _ [c]) [n])
  7008  	// cond: 0 <= n && 0 < c && c <= 32 && (1<<uint64(32-c)) <= uint64(n)
  7009  	// result: (FlagLT)
  7010  	for {
  7011  		n := v.AuxInt
  7012  		v_0 := v.Args[0]
  7013  		if v_0.Op != OpS390XSRWconst {
  7014  			break
  7015  		}
  7016  		c := v_0.AuxInt
  7017  		if !(0 <= n && 0 < c && c <= 32 && (1<<uint64(32-c)) <= uint64(n)) {
  7018  			break
  7019  		}
  7020  		v.reset(OpS390XFlagLT)
  7021  		return true
  7022  	}
  7023  	// match: (CMPWconst (ANDWconst _ [m]) [n])
  7024  	// cond: 0 <= int32(m) && int32(m) < int32(n)
  7025  	// result: (FlagLT)
  7026  	for {
  7027  		n := v.AuxInt
  7028  		v_0 := v.Args[0]
  7029  		if v_0.Op != OpS390XANDWconst {
  7030  			break
  7031  		}
  7032  		m := v_0.AuxInt
  7033  		if !(0 <= int32(m) && int32(m) < int32(n)) {
  7034  			break
  7035  		}
  7036  		v.reset(OpS390XFlagLT)
  7037  		return true
  7038  	}
  7039  	return false
  7040  }
  7041  func rewriteValueS390X_OpS390XCMPconst(v *Value, config *Config) bool {
  7042  	b := v.Block
  7043  	_ = b
  7044  	// match: (CMPconst (MOVDconst [x]) [y])
  7045  	// cond: x==y
  7046  	// result: (FlagEQ)
  7047  	for {
  7048  		y := v.AuxInt
  7049  		v_0 := v.Args[0]
  7050  		if v_0.Op != OpS390XMOVDconst {
  7051  			break
  7052  		}
  7053  		x := v_0.AuxInt
  7054  		if !(x == y) {
  7055  			break
  7056  		}
  7057  		v.reset(OpS390XFlagEQ)
  7058  		return true
  7059  	}
  7060  	// match: (CMPconst (MOVDconst [x]) [y])
  7061  	// cond: x<y
  7062  	// result: (FlagLT)
  7063  	for {
  7064  		y := v.AuxInt
  7065  		v_0 := v.Args[0]
  7066  		if v_0.Op != OpS390XMOVDconst {
  7067  			break
  7068  		}
  7069  		x := v_0.AuxInt
  7070  		if !(x < y) {
  7071  			break
  7072  		}
  7073  		v.reset(OpS390XFlagLT)
  7074  		return true
  7075  	}
  7076  	// match: (CMPconst (MOVDconst [x]) [y])
  7077  	// cond: x>y
  7078  	// result: (FlagGT)
  7079  	for {
  7080  		y := v.AuxInt
  7081  		v_0 := v.Args[0]
  7082  		if v_0.Op != OpS390XMOVDconst {
  7083  			break
  7084  		}
  7085  		x := v_0.AuxInt
  7086  		if !(x > y) {
  7087  			break
  7088  		}
  7089  		v.reset(OpS390XFlagGT)
  7090  		return true
  7091  	}
  7092  	// match: (CMPconst (MOVBZreg _) [c])
  7093  	// cond: 0xFF < c
  7094  	// result: (FlagLT)
  7095  	for {
  7096  		c := v.AuxInt
  7097  		v_0 := v.Args[0]
  7098  		if v_0.Op != OpS390XMOVBZreg {
  7099  			break
  7100  		}
  7101  		if !(0xFF < c) {
  7102  			break
  7103  		}
  7104  		v.reset(OpS390XFlagLT)
  7105  		return true
  7106  	}
  7107  	// match: (CMPconst (MOVHZreg _) [c])
  7108  	// cond: 0xFFFF < c
  7109  	// result: (FlagLT)
  7110  	for {
  7111  		c := v.AuxInt
  7112  		v_0 := v.Args[0]
  7113  		if v_0.Op != OpS390XMOVHZreg {
  7114  			break
  7115  		}
  7116  		if !(0xFFFF < c) {
  7117  			break
  7118  		}
  7119  		v.reset(OpS390XFlagLT)
  7120  		return true
  7121  	}
  7122  	// match: (CMPconst (MOVWZreg _) [c])
  7123  	// cond: 0xFFFFFFFF < c
  7124  	// result: (FlagLT)
  7125  	for {
  7126  		c := v.AuxInt
  7127  		v_0 := v.Args[0]
  7128  		if v_0.Op != OpS390XMOVWZreg {
  7129  			break
  7130  		}
  7131  		if !(0xFFFFFFFF < c) {
  7132  			break
  7133  		}
  7134  		v.reset(OpS390XFlagLT)
  7135  		return true
  7136  	}
  7137  	// match: (CMPconst (SRDconst _ [c]) [n])
  7138  	// cond: 0 <= n && 0 < c && c <= 64 && (1<<uint64(64-c)) <= uint64(n)
  7139  	// result: (FlagLT)
  7140  	for {
  7141  		n := v.AuxInt
  7142  		v_0 := v.Args[0]
  7143  		if v_0.Op != OpS390XSRDconst {
  7144  			break
  7145  		}
  7146  		c := v_0.AuxInt
  7147  		if !(0 <= n && 0 < c && c <= 64 && (1<<uint64(64-c)) <= uint64(n)) {
  7148  			break
  7149  		}
  7150  		v.reset(OpS390XFlagLT)
  7151  		return true
  7152  	}
  7153  	// match: (CMPconst (ANDconst _ [m]) [n])
  7154  	// cond: 0 <= m && m < n
  7155  	// result: (FlagLT)
  7156  	for {
  7157  		n := v.AuxInt
  7158  		v_0 := v.Args[0]
  7159  		if v_0.Op != OpS390XANDconst {
  7160  			break
  7161  		}
  7162  		m := v_0.AuxInt
  7163  		if !(0 <= m && m < n) {
  7164  			break
  7165  		}
  7166  		v.reset(OpS390XFlagLT)
  7167  		return true
  7168  	}
  7169  	return false
  7170  }
  7171  func rewriteValueS390X_OpS390XFMOVDload(v *Value, config *Config) bool {
  7172  	b := v.Block
  7173  	_ = b
  7174  	// match: (FMOVDload [off1] {sym} (ADDconst [off2] ptr) mem)
  7175  	// cond: is32Bit(off1+off2)
  7176  	// result: (FMOVDload [off1+off2] {sym} ptr mem)
  7177  	for {
  7178  		off1 := v.AuxInt
  7179  		sym := v.Aux
  7180  		v_0 := v.Args[0]
  7181  		if v_0.Op != OpS390XADDconst {
  7182  			break
  7183  		}
  7184  		off2 := v_0.AuxInt
  7185  		ptr := v_0.Args[0]
  7186  		mem := v.Args[1]
  7187  		if !(is32Bit(off1 + off2)) {
  7188  			break
  7189  		}
  7190  		v.reset(OpS390XFMOVDload)
  7191  		v.AuxInt = off1 + off2
  7192  		v.Aux = sym
  7193  		v.AddArg(ptr)
  7194  		v.AddArg(mem)
  7195  		return true
  7196  	}
  7197  	// match: (FMOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  7198  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7199  	// result: (FMOVDload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  7200  	for {
  7201  		off1 := v.AuxInt
  7202  		sym1 := v.Aux
  7203  		v_0 := v.Args[0]
  7204  		if v_0.Op != OpS390XMOVDaddr {
  7205  			break
  7206  		}
  7207  		off2 := v_0.AuxInt
  7208  		sym2 := v_0.Aux
  7209  		base := v_0.Args[0]
  7210  		mem := v.Args[1]
  7211  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7212  			break
  7213  		}
  7214  		v.reset(OpS390XFMOVDload)
  7215  		v.AuxInt = off1 + off2
  7216  		v.Aux = mergeSym(sym1, sym2)
  7217  		v.AddArg(base)
  7218  		v.AddArg(mem)
  7219  		return true
  7220  	}
  7221  	// match: (FMOVDload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
  7222  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7223  	// result: (FMOVDloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
  7224  	for {
  7225  		off1 := v.AuxInt
  7226  		sym1 := v.Aux
  7227  		v_0 := v.Args[0]
  7228  		if v_0.Op != OpS390XMOVDaddridx {
  7229  			break
  7230  		}
  7231  		off2 := v_0.AuxInt
  7232  		sym2 := v_0.Aux
  7233  		ptr := v_0.Args[0]
  7234  		idx := v_0.Args[1]
  7235  		mem := v.Args[1]
  7236  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7237  			break
  7238  		}
  7239  		v.reset(OpS390XFMOVDloadidx)
  7240  		v.AuxInt = off1 + off2
  7241  		v.Aux = mergeSym(sym1, sym2)
  7242  		v.AddArg(ptr)
  7243  		v.AddArg(idx)
  7244  		v.AddArg(mem)
  7245  		return true
  7246  	}
  7247  	// match: (FMOVDload [off] {sym} (ADD ptr idx) mem)
  7248  	// cond: ptr.Op != OpSB
  7249  	// result: (FMOVDloadidx [off] {sym} ptr idx mem)
  7250  	for {
  7251  		off := v.AuxInt
  7252  		sym := v.Aux
  7253  		v_0 := v.Args[0]
  7254  		if v_0.Op != OpS390XADD {
  7255  			break
  7256  		}
  7257  		ptr := v_0.Args[0]
  7258  		idx := v_0.Args[1]
  7259  		mem := v.Args[1]
  7260  		if !(ptr.Op != OpSB) {
  7261  			break
  7262  		}
  7263  		v.reset(OpS390XFMOVDloadidx)
  7264  		v.AuxInt = off
  7265  		v.Aux = sym
  7266  		v.AddArg(ptr)
  7267  		v.AddArg(idx)
  7268  		v.AddArg(mem)
  7269  		return true
  7270  	}
  7271  	return false
  7272  }
  7273  func rewriteValueS390X_OpS390XFMOVDloadidx(v *Value, config *Config) bool {
  7274  	b := v.Block
  7275  	_ = b
  7276  	// match: (FMOVDloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
  7277  	// cond:
  7278  	// result: (FMOVDloadidx [c+d] {sym} ptr idx mem)
  7279  	for {
  7280  		c := v.AuxInt
  7281  		sym := v.Aux
  7282  		v_0 := v.Args[0]
  7283  		if v_0.Op != OpS390XADDconst {
  7284  			break
  7285  		}
  7286  		d := v_0.AuxInt
  7287  		ptr := v_0.Args[0]
  7288  		idx := v.Args[1]
  7289  		mem := v.Args[2]
  7290  		v.reset(OpS390XFMOVDloadidx)
  7291  		v.AuxInt = c + d
  7292  		v.Aux = sym
  7293  		v.AddArg(ptr)
  7294  		v.AddArg(idx)
  7295  		v.AddArg(mem)
  7296  		return true
  7297  	}
  7298  	// match: (FMOVDloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
  7299  	// cond:
  7300  	// result: (FMOVDloadidx [c+d] {sym} ptr idx mem)
  7301  	for {
  7302  		c := v.AuxInt
  7303  		sym := v.Aux
  7304  		ptr := v.Args[0]
  7305  		v_1 := v.Args[1]
  7306  		if v_1.Op != OpS390XADDconst {
  7307  			break
  7308  		}
  7309  		d := v_1.AuxInt
  7310  		idx := v_1.Args[0]
  7311  		mem := v.Args[2]
  7312  		v.reset(OpS390XFMOVDloadidx)
  7313  		v.AuxInt = c + d
  7314  		v.Aux = sym
  7315  		v.AddArg(ptr)
  7316  		v.AddArg(idx)
  7317  		v.AddArg(mem)
  7318  		return true
  7319  	}
  7320  	return false
  7321  }
  7322  func rewriteValueS390X_OpS390XFMOVDstore(v *Value, config *Config) bool {
  7323  	b := v.Block
  7324  	_ = b
  7325  	// match: (FMOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  7326  	// cond: is32Bit(off1+off2)
  7327  	// result: (FMOVDstore [off1+off2] {sym} ptr val mem)
  7328  	for {
  7329  		off1 := v.AuxInt
  7330  		sym := v.Aux
  7331  		v_0 := v.Args[0]
  7332  		if v_0.Op != OpS390XADDconst {
  7333  			break
  7334  		}
  7335  		off2 := v_0.AuxInt
  7336  		ptr := v_0.Args[0]
  7337  		val := v.Args[1]
  7338  		mem := v.Args[2]
  7339  		if !(is32Bit(off1 + off2)) {
  7340  			break
  7341  		}
  7342  		v.reset(OpS390XFMOVDstore)
  7343  		v.AuxInt = off1 + off2
  7344  		v.Aux = sym
  7345  		v.AddArg(ptr)
  7346  		v.AddArg(val)
  7347  		v.AddArg(mem)
  7348  		return true
  7349  	}
  7350  	// match: (FMOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
  7351  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7352  	// result: (FMOVDstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  7353  	for {
  7354  		off1 := v.AuxInt
  7355  		sym1 := v.Aux
  7356  		v_0 := v.Args[0]
  7357  		if v_0.Op != OpS390XMOVDaddr {
  7358  			break
  7359  		}
  7360  		off2 := v_0.AuxInt
  7361  		sym2 := v_0.Aux
  7362  		base := v_0.Args[0]
  7363  		val := v.Args[1]
  7364  		mem := v.Args[2]
  7365  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7366  			break
  7367  		}
  7368  		v.reset(OpS390XFMOVDstore)
  7369  		v.AuxInt = off1 + off2
  7370  		v.Aux = mergeSym(sym1, sym2)
  7371  		v.AddArg(base)
  7372  		v.AddArg(val)
  7373  		v.AddArg(mem)
  7374  		return true
  7375  	}
  7376  	// match: (FMOVDstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
  7377  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7378  	// result: (FMOVDstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
  7379  	for {
  7380  		off1 := v.AuxInt
  7381  		sym1 := v.Aux
  7382  		v_0 := v.Args[0]
  7383  		if v_0.Op != OpS390XMOVDaddridx {
  7384  			break
  7385  		}
  7386  		off2 := v_0.AuxInt
  7387  		sym2 := v_0.Aux
  7388  		ptr := v_0.Args[0]
  7389  		idx := v_0.Args[1]
  7390  		val := v.Args[1]
  7391  		mem := v.Args[2]
  7392  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7393  			break
  7394  		}
  7395  		v.reset(OpS390XFMOVDstoreidx)
  7396  		v.AuxInt = off1 + off2
  7397  		v.Aux = mergeSym(sym1, sym2)
  7398  		v.AddArg(ptr)
  7399  		v.AddArg(idx)
  7400  		v.AddArg(val)
  7401  		v.AddArg(mem)
  7402  		return true
  7403  	}
  7404  	// match: (FMOVDstore [off] {sym} (ADD ptr idx) val mem)
  7405  	// cond: ptr.Op != OpSB
  7406  	// result: (FMOVDstoreidx [off] {sym} ptr idx val mem)
  7407  	for {
  7408  		off := v.AuxInt
  7409  		sym := v.Aux
  7410  		v_0 := v.Args[0]
  7411  		if v_0.Op != OpS390XADD {
  7412  			break
  7413  		}
  7414  		ptr := v_0.Args[0]
  7415  		idx := v_0.Args[1]
  7416  		val := v.Args[1]
  7417  		mem := v.Args[2]
  7418  		if !(ptr.Op != OpSB) {
  7419  			break
  7420  		}
  7421  		v.reset(OpS390XFMOVDstoreidx)
  7422  		v.AuxInt = off
  7423  		v.Aux = sym
  7424  		v.AddArg(ptr)
  7425  		v.AddArg(idx)
  7426  		v.AddArg(val)
  7427  		v.AddArg(mem)
  7428  		return true
  7429  	}
  7430  	return false
  7431  }
  7432  func rewriteValueS390X_OpS390XFMOVDstoreidx(v *Value, config *Config) bool {
  7433  	b := v.Block
  7434  	_ = b
  7435  	// match: (FMOVDstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
  7436  	// cond:
  7437  	// result: (FMOVDstoreidx [c+d] {sym} ptr idx val mem)
  7438  	for {
  7439  		c := v.AuxInt
  7440  		sym := v.Aux
  7441  		v_0 := v.Args[0]
  7442  		if v_0.Op != OpS390XADDconst {
  7443  			break
  7444  		}
  7445  		d := v_0.AuxInt
  7446  		ptr := v_0.Args[0]
  7447  		idx := v.Args[1]
  7448  		val := v.Args[2]
  7449  		mem := v.Args[3]
  7450  		v.reset(OpS390XFMOVDstoreidx)
  7451  		v.AuxInt = c + d
  7452  		v.Aux = sym
  7453  		v.AddArg(ptr)
  7454  		v.AddArg(idx)
  7455  		v.AddArg(val)
  7456  		v.AddArg(mem)
  7457  		return true
  7458  	}
  7459  	// match: (FMOVDstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
  7460  	// cond:
  7461  	// result: (FMOVDstoreidx [c+d] {sym} ptr idx val mem)
  7462  	for {
  7463  		c := v.AuxInt
  7464  		sym := v.Aux
  7465  		ptr := v.Args[0]
  7466  		v_1 := v.Args[1]
  7467  		if v_1.Op != OpS390XADDconst {
  7468  			break
  7469  		}
  7470  		d := v_1.AuxInt
  7471  		idx := v_1.Args[0]
  7472  		val := v.Args[2]
  7473  		mem := v.Args[3]
  7474  		v.reset(OpS390XFMOVDstoreidx)
  7475  		v.AuxInt = c + d
  7476  		v.Aux = sym
  7477  		v.AddArg(ptr)
  7478  		v.AddArg(idx)
  7479  		v.AddArg(val)
  7480  		v.AddArg(mem)
  7481  		return true
  7482  	}
  7483  	return false
  7484  }
  7485  func rewriteValueS390X_OpS390XFMOVSload(v *Value, config *Config) bool {
  7486  	b := v.Block
  7487  	_ = b
  7488  	// match: (FMOVSload [off1] {sym} (ADDconst [off2] ptr) mem)
  7489  	// cond: is32Bit(off1+off2)
  7490  	// result: (FMOVSload [off1+off2] {sym} ptr mem)
  7491  	for {
  7492  		off1 := v.AuxInt
  7493  		sym := v.Aux
  7494  		v_0 := v.Args[0]
  7495  		if v_0.Op != OpS390XADDconst {
  7496  			break
  7497  		}
  7498  		off2 := v_0.AuxInt
  7499  		ptr := v_0.Args[0]
  7500  		mem := v.Args[1]
  7501  		if !(is32Bit(off1 + off2)) {
  7502  			break
  7503  		}
  7504  		v.reset(OpS390XFMOVSload)
  7505  		v.AuxInt = off1 + off2
  7506  		v.Aux = sym
  7507  		v.AddArg(ptr)
  7508  		v.AddArg(mem)
  7509  		return true
  7510  	}
  7511  	// match: (FMOVSload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  7512  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7513  	// result: (FMOVSload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  7514  	for {
  7515  		off1 := v.AuxInt
  7516  		sym1 := v.Aux
  7517  		v_0 := v.Args[0]
  7518  		if v_0.Op != OpS390XMOVDaddr {
  7519  			break
  7520  		}
  7521  		off2 := v_0.AuxInt
  7522  		sym2 := v_0.Aux
  7523  		base := v_0.Args[0]
  7524  		mem := v.Args[1]
  7525  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7526  			break
  7527  		}
  7528  		v.reset(OpS390XFMOVSload)
  7529  		v.AuxInt = off1 + off2
  7530  		v.Aux = mergeSym(sym1, sym2)
  7531  		v.AddArg(base)
  7532  		v.AddArg(mem)
  7533  		return true
  7534  	}
  7535  	// match: (FMOVSload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
  7536  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7537  	// result: (FMOVSloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
  7538  	for {
  7539  		off1 := v.AuxInt
  7540  		sym1 := v.Aux
  7541  		v_0 := v.Args[0]
  7542  		if v_0.Op != OpS390XMOVDaddridx {
  7543  			break
  7544  		}
  7545  		off2 := v_0.AuxInt
  7546  		sym2 := v_0.Aux
  7547  		ptr := v_0.Args[0]
  7548  		idx := v_0.Args[1]
  7549  		mem := v.Args[1]
  7550  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7551  			break
  7552  		}
  7553  		v.reset(OpS390XFMOVSloadidx)
  7554  		v.AuxInt = off1 + off2
  7555  		v.Aux = mergeSym(sym1, sym2)
  7556  		v.AddArg(ptr)
  7557  		v.AddArg(idx)
  7558  		v.AddArg(mem)
  7559  		return true
  7560  	}
  7561  	// match: (FMOVSload [off] {sym} (ADD ptr idx) mem)
  7562  	// cond: ptr.Op != OpSB
  7563  	// result: (FMOVSloadidx [off] {sym} ptr idx mem)
  7564  	for {
  7565  		off := v.AuxInt
  7566  		sym := v.Aux
  7567  		v_0 := v.Args[0]
  7568  		if v_0.Op != OpS390XADD {
  7569  			break
  7570  		}
  7571  		ptr := v_0.Args[0]
  7572  		idx := v_0.Args[1]
  7573  		mem := v.Args[1]
  7574  		if !(ptr.Op != OpSB) {
  7575  			break
  7576  		}
  7577  		v.reset(OpS390XFMOVSloadidx)
  7578  		v.AuxInt = off
  7579  		v.Aux = sym
  7580  		v.AddArg(ptr)
  7581  		v.AddArg(idx)
  7582  		v.AddArg(mem)
  7583  		return true
  7584  	}
  7585  	return false
  7586  }
  7587  func rewriteValueS390X_OpS390XFMOVSloadidx(v *Value, config *Config) bool {
  7588  	b := v.Block
  7589  	_ = b
  7590  	// match: (FMOVSloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
  7591  	// cond:
  7592  	// result: (FMOVSloadidx [c+d] {sym} ptr idx mem)
  7593  	for {
  7594  		c := v.AuxInt
  7595  		sym := v.Aux
  7596  		v_0 := v.Args[0]
  7597  		if v_0.Op != OpS390XADDconst {
  7598  			break
  7599  		}
  7600  		d := v_0.AuxInt
  7601  		ptr := v_0.Args[0]
  7602  		idx := v.Args[1]
  7603  		mem := v.Args[2]
  7604  		v.reset(OpS390XFMOVSloadidx)
  7605  		v.AuxInt = c + d
  7606  		v.Aux = sym
  7607  		v.AddArg(ptr)
  7608  		v.AddArg(idx)
  7609  		v.AddArg(mem)
  7610  		return true
  7611  	}
  7612  	// match: (FMOVSloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
  7613  	// cond:
  7614  	// result: (FMOVSloadidx [c+d] {sym} ptr idx mem)
  7615  	for {
  7616  		c := v.AuxInt
  7617  		sym := v.Aux
  7618  		ptr := v.Args[0]
  7619  		v_1 := v.Args[1]
  7620  		if v_1.Op != OpS390XADDconst {
  7621  			break
  7622  		}
  7623  		d := v_1.AuxInt
  7624  		idx := v_1.Args[0]
  7625  		mem := v.Args[2]
  7626  		v.reset(OpS390XFMOVSloadidx)
  7627  		v.AuxInt = c + d
  7628  		v.Aux = sym
  7629  		v.AddArg(ptr)
  7630  		v.AddArg(idx)
  7631  		v.AddArg(mem)
  7632  		return true
  7633  	}
  7634  	return false
  7635  }
  7636  func rewriteValueS390X_OpS390XFMOVSstore(v *Value, config *Config) bool {
  7637  	b := v.Block
  7638  	_ = b
  7639  	// match: (FMOVSstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  7640  	// cond: is32Bit(off1+off2)
  7641  	// result: (FMOVSstore [off1+off2] {sym} ptr val mem)
  7642  	for {
  7643  		off1 := v.AuxInt
  7644  		sym := v.Aux
  7645  		v_0 := v.Args[0]
  7646  		if v_0.Op != OpS390XADDconst {
  7647  			break
  7648  		}
  7649  		off2 := v_0.AuxInt
  7650  		ptr := v_0.Args[0]
  7651  		val := v.Args[1]
  7652  		mem := v.Args[2]
  7653  		if !(is32Bit(off1 + off2)) {
  7654  			break
  7655  		}
  7656  		v.reset(OpS390XFMOVSstore)
  7657  		v.AuxInt = off1 + off2
  7658  		v.Aux = sym
  7659  		v.AddArg(ptr)
  7660  		v.AddArg(val)
  7661  		v.AddArg(mem)
  7662  		return true
  7663  	}
  7664  	// match: (FMOVSstore [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
  7665  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7666  	// result: (FMOVSstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  7667  	for {
  7668  		off1 := v.AuxInt
  7669  		sym1 := v.Aux
  7670  		v_0 := v.Args[0]
  7671  		if v_0.Op != OpS390XMOVDaddr {
  7672  			break
  7673  		}
  7674  		off2 := v_0.AuxInt
  7675  		sym2 := v_0.Aux
  7676  		base := v_0.Args[0]
  7677  		val := v.Args[1]
  7678  		mem := v.Args[2]
  7679  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7680  			break
  7681  		}
  7682  		v.reset(OpS390XFMOVSstore)
  7683  		v.AuxInt = off1 + off2
  7684  		v.Aux = mergeSym(sym1, sym2)
  7685  		v.AddArg(base)
  7686  		v.AddArg(val)
  7687  		v.AddArg(mem)
  7688  		return true
  7689  	}
  7690  	// match: (FMOVSstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
  7691  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7692  	// result: (FMOVSstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
  7693  	for {
  7694  		off1 := v.AuxInt
  7695  		sym1 := v.Aux
  7696  		v_0 := v.Args[0]
  7697  		if v_0.Op != OpS390XMOVDaddridx {
  7698  			break
  7699  		}
  7700  		off2 := v_0.AuxInt
  7701  		sym2 := v_0.Aux
  7702  		ptr := v_0.Args[0]
  7703  		idx := v_0.Args[1]
  7704  		val := v.Args[1]
  7705  		mem := v.Args[2]
  7706  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7707  			break
  7708  		}
  7709  		v.reset(OpS390XFMOVSstoreidx)
  7710  		v.AuxInt = off1 + off2
  7711  		v.Aux = mergeSym(sym1, sym2)
  7712  		v.AddArg(ptr)
  7713  		v.AddArg(idx)
  7714  		v.AddArg(val)
  7715  		v.AddArg(mem)
  7716  		return true
  7717  	}
  7718  	// match: (FMOVSstore [off] {sym} (ADD ptr idx) val mem)
  7719  	// cond: ptr.Op != OpSB
  7720  	// result: (FMOVSstoreidx [off] {sym} ptr idx val mem)
  7721  	for {
  7722  		off := v.AuxInt
  7723  		sym := v.Aux
  7724  		v_0 := v.Args[0]
  7725  		if v_0.Op != OpS390XADD {
  7726  			break
  7727  		}
  7728  		ptr := v_0.Args[0]
  7729  		idx := v_0.Args[1]
  7730  		val := v.Args[1]
  7731  		mem := v.Args[2]
  7732  		if !(ptr.Op != OpSB) {
  7733  			break
  7734  		}
  7735  		v.reset(OpS390XFMOVSstoreidx)
  7736  		v.AuxInt = off
  7737  		v.Aux = sym
  7738  		v.AddArg(ptr)
  7739  		v.AddArg(idx)
  7740  		v.AddArg(val)
  7741  		v.AddArg(mem)
  7742  		return true
  7743  	}
  7744  	return false
  7745  }
  7746  func rewriteValueS390X_OpS390XFMOVSstoreidx(v *Value, config *Config) bool {
  7747  	b := v.Block
  7748  	_ = b
  7749  	// match: (FMOVSstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
  7750  	// cond:
  7751  	// result: (FMOVSstoreidx [c+d] {sym} ptr idx val mem)
  7752  	for {
  7753  		c := v.AuxInt
  7754  		sym := v.Aux
  7755  		v_0 := v.Args[0]
  7756  		if v_0.Op != OpS390XADDconst {
  7757  			break
  7758  		}
  7759  		d := v_0.AuxInt
  7760  		ptr := v_0.Args[0]
  7761  		idx := v.Args[1]
  7762  		val := v.Args[2]
  7763  		mem := v.Args[3]
  7764  		v.reset(OpS390XFMOVSstoreidx)
  7765  		v.AuxInt = c + d
  7766  		v.Aux = sym
  7767  		v.AddArg(ptr)
  7768  		v.AddArg(idx)
  7769  		v.AddArg(val)
  7770  		v.AddArg(mem)
  7771  		return true
  7772  	}
  7773  	// match: (FMOVSstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
  7774  	// cond:
  7775  	// result: (FMOVSstoreidx [c+d] {sym} ptr idx val mem)
  7776  	for {
  7777  		c := v.AuxInt
  7778  		sym := v.Aux
  7779  		ptr := v.Args[0]
  7780  		v_1 := v.Args[1]
  7781  		if v_1.Op != OpS390XADDconst {
  7782  			break
  7783  		}
  7784  		d := v_1.AuxInt
  7785  		idx := v_1.Args[0]
  7786  		val := v.Args[2]
  7787  		mem := v.Args[3]
  7788  		v.reset(OpS390XFMOVSstoreidx)
  7789  		v.AuxInt = c + d
  7790  		v.Aux = sym
  7791  		v.AddArg(ptr)
  7792  		v.AddArg(idx)
  7793  		v.AddArg(val)
  7794  		v.AddArg(mem)
  7795  		return true
  7796  	}
  7797  	return false
  7798  }
  7799  func rewriteValueS390X_OpS390XMOVBZload(v *Value, config *Config) bool {
  7800  	b := v.Block
  7801  	_ = b
  7802  	// match: (MOVBZload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _))
  7803  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  7804  	// result: x
  7805  	for {
  7806  		off := v.AuxInt
  7807  		sym := v.Aux
  7808  		ptr := v.Args[0]
  7809  		v_1 := v.Args[1]
  7810  		if v_1.Op != OpS390XMOVBstore {
  7811  			break
  7812  		}
  7813  		off2 := v_1.AuxInt
  7814  		sym2 := v_1.Aux
  7815  		ptr2 := v_1.Args[0]
  7816  		x := v_1.Args[1]
  7817  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  7818  			break
  7819  		}
  7820  		v.reset(OpCopy)
  7821  		v.Type = x.Type
  7822  		v.AddArg(x)
  7823  		return true
  7824  	}
  7825  	// match: (MOVBZload  [off1] {sym} (ADDconst [off2] ptr) mem)
  7826  	// cond: is32Bit(off1+off2)
  7827  	// result: (MOVBZload  [off1+off2] {sym} ptr mem)
  7828  	for {
  7829  		off1 := v.AuxInt
  7830  		sym := v.Aux
  7831  		v_0 := v.Args[0]
  7832  		if v_0.Op != OpS390XADDconst {
  7833  			break
  7834  		}
  7835  		off2 := v_0.AuxInt
  7836  		ptr := v_0.Args[0]
  7837  		mem := v.Args[1]
  7838  		if !(is32Bit(off1 + off2)) {
  7839  			break
  7840  		}
  7841  		v.reset(OpS390XMOVBZload)
  7842  		v.AuxInt = off1 + off2
  7843  		v.Aux = sym
  7844  		v.AddArg(ptr)
  7845  		v.AddArg(mem)
  7846  		return true
  7847  	}
  7848  	// match: (MOVBZload  [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  7849  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7850  	// result: (MOVBZload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
  7851  	for {
  7852  		off1 := v.AuxInt
  7853  		sym1 := v.Aux
  7854  		v_0 := v.Args[0]
  7855  		if v_0.Op != OpS390XMOVDaddr {
  7856  			break
  7857  		}
  7858  		off2 := v_0.AuxInt
  7859  		sym2 := v_0.Aux
  7860  		base := v_0.Args[0]
  7861  		mem := v.Args[1]
  7862  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7863  			break
  7864  		}
  7865  		v.reset(OpS390XMOVBZload)
  7866  		v.AuxInt = off1 + off2
  7867  		v.Aux = mergeSym(sym1, sym2)
  7868  		v.AddArg(base)
  7869  		v.AddArg(mem)
  7870  		return true
  7871  	}
  7872  	// match: (MOVBZload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
  7873  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7874  	// result: (MOVBZloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
  7875  	for {
  7876  		off1 := v.AuxInt
  7877  		sym1 := v.Aux
  7878  		v_0 := v.Args[0]
  7879  		if v_0.Op != OpS390XMOVDaddridx {
  7880  			break
  7881  		}
  7882  		off2 := v_0.AuxInt
  7883  		sym2 := v_0.Aux
  7884  		ptr := v_0.Args[0]
  7885  		idx := v_0.Args[1]
  7886  		mem := v.Args[1]
  7887  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7888  			break
  7889  		}
  7890  		v.reset(OpS390XMOVBZloadidx)
  7891  		v.AuxInt = off1 + off2
  7892  		v.Aux = mergeSym(sym1, sym2)
  7893  		v.AddArg(ptr)
  7894  		v.AddArg(idx)
  7895  		v.AddArg(mem)
  7896  		return true
  7897  	}
  7898  	// match: (MOVBZload [off] {sym} (ADD ptr idx) mem)
  7899  	// cond: ptr.Op != OpSB
  7900  	// result: (MOVBZloadidx [off] {sym} ptr idx mem)
  7901  	for {
  7902  		off := v.AuxInt
  7903  		sym := v.Aux
  7904  		v_0 := v.Args[0]
  7905  		if v_0.Op != OpS390XADD {
  7906  			break
  7907  		}
  7908  		ptr := v_0.Args[0]
  7909  		idx := v_0.Args[1]
  7910  		mem := v.Args[1]
  7911  		if !(ptr.Op != OpSB) {
  7912  			break
  7913  		}
  7914  		v.reset(OpS390XMOVBZloadidx)
  7915  		v.AuxInt = off
  7916  		v.Aux = sym
  7917  		v.AddArg(ptr)
  7918  		v.AddArg(idx)
  7919  		v.AddArg(mem)
  7920  		return true
  7921  	}
  7922  	return false
  7923  }
  7924  func rewriteValueS390X_OpS390XMOVBZloadidx(v *Value, config *Config) bool {
  7925  	b := v.Block
  7926  	_ = b
  7927  	// match: (MOVBZloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
  7928  	// cond:
  7929  	// result: (MOVBZloadidx [c+d] {sym} ptr idx mem)
  7930  	for {
  7931  		c := v.AuxInt
  7932  		sym := v.Aux
  7933  		v_0 := v.Args[0]
  7934  		if v_0.Op != OpS390XADDconst {
  7935  			break
  7936  		}
  7937  		d := v_0.AuxInt
  7938  		ptr := v_0.Args[0]
  7939  		idx := v.Args[1]
  7940  		mem := v.Args[2]
  7941  		v.reset(OpS390XMOVBZloadidx)
  7942  		v.AuxInt = c + d
  7943  		v.Aux = sym
  7944  		v.AddArg(ptr)
  7945  		v.AddArg(idx)
  7946  		v.AddArg(mem)
  7947  		return true
  7948  	}
  7949  	// match: (MOVBZloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
  7950  	// cond:
  7951  	// result: (MOVBZloadidx [c+d] {sym} ptr idx mem)
  7952  	for {
  7953  		c := v.AuxInt
  7954  		sym := v.Aux
  7955  		ptr := v.Args[0]
  7956  		v_1 := v.Args[1]
  7957  		if v_1.Op != OpS390XADDconst {
  7958  			break
  7959  		}
  7960  		d := v_1.AuxInt
  7961  		idx := v_1.Args[0]
  7962  		mem := v.Args[2]
  7963  		v.reset(OpS390XMOVBZloadidx)
  7964  		v.AuxInt = c + d
  7965  		v.Aux = sym
  7966  		v.AddArg(ptr)
  7967  		v.AddArg(idx)
  7968  		v.AddArg(mem)
  7969  		return true
  7970  	}
  7971  	return false
  7972  }
  7973  func rewriteValueS390X_OpS390XMOVBZreg(v *Value, config *Config) bool {
  7974  	b := v.Block
  7975  	_ = b
  7976  	// match: (MOVBZreg x:(MOVDLT (MOVDconst [c]) (MOVDconst [d]) _))
  7977  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  7978  	// result: x
  7979  	for {
  7980  		x := v.Args[0]
  7981  		if x.Op != OpS390XMOVDLT {
  7982  			break
  7983  		}
  7984  		x_0 := x.Args[0]
  7985  		if x_0.Op != OpS390XMOVDconst {
  7986  			break
  7987  		}
  7988  		c := x_0.AuxInt
  7989  		x_1 := x.Args[1]
  7990  		if x_1.Op != OpS390XMOVDconst {
  7991  			break
  7992  		}
  7993  		d := x_1.AuxInt
  7994  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  7995  			break
  7996  		}
  7997  		v.reset(OpCopy)
  7998  		v.Type = x.Type
  7999  		v.AddArg(x)
  8000  		return true
  8001  	}
  8002  	// match: (MOVBZreg x:(MOVDLE (MOVDconst [c]) (MOVDconst [d]) _))
  8003  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8004  	// result: x
  8005  	for {
  8006  		x := v.Args[0]
  8007  		if x.Op != OpS390XMOVDLE {
  8008  			break
  8009  		}
  8010  		x_0 := x.Args[0]
  8011  		if x_0.Op != OpS390XMOVDconst {
  8012  			break
  8013  		}
  8014  		c := x_0.AuxInt
  8015  		x_1 := x.Args[1]
  8016  		if x_1.Op != OpS390XMOVDconst {
  8017  			break
  8018  		}
  8019  		d := x_1.AuxInt
  8020  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8021  			break
  8022  		}
  8023  		v.reset(OpCopy)
  8024  		v.Type = x.Type
  8025  		v.AddArg(x)
  8026  		return true
  8027  	}
  8028  	// match: (MOVBZreg x:(MOVDGT (MOVDconst [c]) (MOVDconst [d]) _))
  8029  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8030  	// result: x
  8031  	for {
  8032  		x := v.Args[0]
  8033  		if x.Op != OpS390XMOVDGT {
  8034  			break
  8035  		}
  8036  		x_0 := x.Args[0]
  8037  		if x_0.Op != OpS390XMOVDconst {
  8038  			break
  8039  		}
  8040  		c := x_0.AuxInt
  8041  		x_1 := x.Args[1]
  8042  		if x_1.Op != OpS390XMOVDconst {
  8043  			break
  8044  		}
  8045  		d := x_1.AuxInt
  8046  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8047  			break
  8048  		}
  8049  		v.reset(OpCopy)
  8050  		v.Type = x.Type
  8051  		v.AddArg(x)
  8052  		return true
  8053  	}
  8054  	// match: (MOVBZreg x:(MOVDGE (MOVDconst [c]) (MOVDconst [d]) _))
  8055  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8056  	// result: x
  8057  	for {
  8058  		x := v.Args[0]
  8059  		if x.Op != OpS390XMOVDGE {
  8060  			break
  8061  		}
  8062  		x_0 := x.Args[0]
  8063  		if x_0.Op != OpS390XMOVDconst {
  8064  			break
  8065  		}
  8066  		c := x_0.AuxInt
  8067  		x_1 := x.Args[1]
  8068  		if x_1.Op != OpS390XMOVDconst {
  8069  			break
  8070  		}
  8071  		d := x_1.AuxInt
  8072  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8073  			break
  8074  		}
  8075  		v.reset(OpCopy)
  8076  		v.Type = x.Type
  8077  		v.AddArg(x)
  8078  		return true
  8079  	}
  8080  	// match: (MOVBZreg x:(MOVDEQ (MOVDconst [c]) (MOVDconst [d]) _))
  8081  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8082  	// result: x
  8083  	for {
  8084  		x := v.Args[0]
  8085  		if x.Op != OpS390XMOVDEQ {
  8086  			break
  8087  		}
  8088  		x_0 := x.Args[0]
  8089  		if x_0.Op != OpS390XMOVDconst {
  8090  			break
  8091  		}
  8092  		c := x_0.AuxInt
  8093  		x_1 := x.Args[1]
  8094  		if x_1.Op != OpS390XMOVDconst {
  8095  			break
  8096  		}
  8097  		d := x_1.AuxInt
  8098  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8099  			break
  8100  		}
  8101  		v.reset(OpCopy)
  8102  		v.Type = x.Type
  8103  		v.AddArg(x)
  8104  		return true
  8105  	}
  8106  	// match: (MOVBZreg x:(MOVDNE (MOVDconst [c]) (MOVDconst [d]) _))
  8107  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8108  	// result: x
  8109  	for {
  8110  		x := v.Args[0]
  8111  		if x.Op != OpS390XMOVDNE {
  8112  			break
  8113  		}
  8114  		x_0 := x.Args[0]
  8115  		if x_0.Op != OpS390XMOVDconst {
  8116  			break
  8117  		}
  8118  		c := x_0.AuxInt
  8119  		x_1 := x.Args[1]
  8120  		if x_1.Op != OpS390XMOVDconst {
  8121  			break
  8122  		}
  8123  		d := x_1.AuxInt
  8124  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8125  			break
  8126  		}
  8127  		v.reset(OpCopy)
  8128  		v.Type = x.Type
  8129  		v.AddArg(x)
  8130  		return true
  8131  	}
  8132  	// match: (MOVBZreg x:(MOVDGTnoinv (MOVDconst [c]) (MOVDconst [d]) _))
  8133  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8134  	// result: x
  8135  	for {
  8136  		x := v.Args[0]
  8137  		if x.Op != OpS390XMOVDGTnoinv {
  8138  			break
  8139  		}
  8140  		x_0 := x.Args[0]
  8141  		if x_0.Op != OpS390XMOVDconst {
  8142  			break
  8143  		}
  8144  		c := x_0.AuxInt
  8145  		x_1 := x.Args[1]
  8146  		if x_1.Op != OpS390XMOVDconst {
  8147  			break
  8148  		}
  8149  		d := x_1.AuxInt
  8150  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8151  			break
  8152  		}
  8153  		v.reset(OpCopy)
  8154  		v.Type = x.Type
  8155  		v.AddArg(x)
  8156  		return true
  8157  	}
  8158  	// match: (MOVBZreg x:(MOVDGEnoinv (MOVDconst [c]) (MOVDconst [d]) _))
  8159  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8160  	// result: x
  8161  	for {
  8162  		x := v.Args[0]
  8163  		if x.Op != OpS390XMOVDGEnoinv {
  8164  			break
  8165  		}
  8166  		x_0 := x.Args[0]
  8167  		if x_0.Op != OpS390XMOVDconst {
  8168  			break
  8169  		}
  8170  		c := x_0.AuxInt
  8171  		x_1 := x.Args[1]
  8172  		if x_1.Op != OpS390XMOVDconst {
  8173  			break
  8174  		}
  8175  		d := x_1.AuxInt
  8176  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8177  			break
  8178  		}
  8179  		v.reset(OpCopy)
  8180  		v.Type = x.Type
  8181  		v.AddArg(x)
  8182  		return true
  8183  	}
  8184  	// match: (MOVBZreg x:(MOVBZload _ _))
  8185  	// cond:
  8186  	// result: x
  8187  	for {
  8188  		x := v.Args[0]
  8189  		if x.Op != OpS390XMOVBZload {
  8190  			break
  8191  		}
  8192  		v.reset(OpCopy)
  8193  		v.Type = x.Type
  8194  		v.AddArg(x)
  8195  		return true
  8196  	}
  8197  	// match: (MOVBZreg x:(Arg <t>))
  8198  	// cond: is8BitInt(t) && !isSigned(t)
  8199  	// result: x
  8200  	for {
  8201  		x := v.Args[0]
  8202  		if x.Op != OpArg {
  8203  			break
  8204  		}
  8205  		t := x.Type
  8206  		if !(is8BitInt(t) && !isSigned(t)) {
  8207  			break
  8208  		}
  8209  		v.reset(OpCopy)
  8210  		v.Type = x.Type
  8211  		v.AddArg(x)
  8212  		return true
  8213  	}
  8214  	// match: (MOVBZreg x:(MOVBZreg _))
  8215  	// cond:
  8216  	// result: x
  8217  	for {
  8218  		x := v.Args[0]
  8219  		if x.Op != OpS390XMOVBZreg {
  8220  			break
  8221  		}
  8222  		v.reset(OpCopy)
  8223  		v.Type = x.Type
  8224  		v.AddArg(x)
  8225  		return true
  8226  	}
  8227  	// match: (MOVBZreg (MOVDconst [c]))
  8228  	// cond:
  8229  	// result: (MOVDconst [int64(uint8(c))])
  8230  	for {
  8231  		v_0 := v.Args[0]
  8232  		if v_0.Op != OpS390XMOVDconst {
  8233  			break
  8234  		}
  8235  		c := v_0.AuxInt
  8236  		v.reset(OpS390XMOVDconst)
  8237  		v.AuxInt = int64(uint8(c))
  8238  		return true
  8239  	}
  8240  	// match: (MOVBZreg x:(MOVBZload [off] {sym} ptr mem))
  8241  	// cond: x.Uses == 1 && clobber(x)
  8242  	// result: @x.Block (MOVBZload <v.Type> [off] {sym} ptr mem)
  8243  	for {
  8244  		x := v.Args[0]
  8245  		if x.Op != OpS390XMOVBZload {
  8246  			break
  8247  		}
  8248  		off := x.AuxInt
  8249  		sym := x.Aux
  8250  		ptr := x.Args[0]
  8251  		mem := x.Args[1]
  8252  		if !(x.Uses == 1 && clobber(x)) {
  8253  			break
  8254  		}
  8255  		b = x.Block
  8256  		v0 := b.NewValue0(v.Line, OpS390XMOVBZload, v.Type)
  8257  		v.reset(OpCopy)
  8258  		v.AddArg(v0)
  8259  		v0.AuxInt = off
  8260  		v0.Aux = sym
  8261  		v0.AddArg(ptr)
  8262  		v0.AddArg(mem)
  8263  		return true
  8264  	}
  8265  	// match: (MOVBZreg x:(MOVBZloadidx [off] {sym} ptr idx mem))
  8266  	// cond: x.Uses == 1 && clobber(x)
  8267  	// result: @x.Block (MOVBZloadidx <v.Type> [off] {sym} ptr idx mem)
  8268  	for {
  8269  		x := v.Args[0]
  8270  		if x.Op != OpS390XMOVBZloadidx {
  8271  			break
  8272  		}
  8273  		off := x.AuxInt
  8274  		sym := x.Aux
  8275  		ptr := x.Args[0]
  8276  		idx := x.Args[1]
  8277  		mem := x.Args[2]
  8278  		if !(x.Uses == 1 && clobber(x)) {
  8279  			break
  8280  		}
  8281  		b = x.Block
  8282  		v0 := b.NewValue0(v.Line, OpS390XMOVBZloadidx, v.Type)
  8283  		v.reset(OpCopy)
  8284  		v.AddArg(v0)
  8285  		v0.AuxInt = off
  8286  		v0.Aux = sym
  8287  		v0.AddArg(ptr)
  8288  		v0.AddArg(idx)
  8289  		v0.AddArg(mem)
  8290  		return true
  8291  	}
  8292  	return false
  8293  }
  8294  func rewriteValueS390X_OpS390XMOVBload(v *Value, config *Config) bool {
  8295  	b := v.Block
  8296  	_ = b
  8297  	// match: (MOVBload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  8298  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8299  	// result: (MOVBload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  8300  	for {
  8301  		off1 := v.AuxInt
  8302  		sym1 := v.Aux
  8303  		v_0 := v.Args[0]
  8304  		if v_0.Op != OpS390XMOVDaddr {
  8305  			break
  8306  		}
  8307  		off2 := v_0.AuxInt
  8308  		sym2 := v_0.Aux
  8309  		base := v_0.Args[0]
  8310  		mem := v.Args[1]
  8311  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8312  			break
  8313  		}
  8314  		v.reset(OpS390XMOVBload)
  8315  		v.AuxInt = off1 + off2
  8316  		v.Aux = mergeSym(sym1, sym2)
  8317  		v.AddArg(base)
  8318  		v.AddArg(mem)
  8319  		return true
  8320  	}
  8321  	return false
  8322  }
  8323  func rewriteValueS390X_OpS390XMOVBreg(v *Value, config *Config) bool {
  8324  	b := v.Block
  8325  	_ = b
  8326  	// match: (MOVBreg x:(MOVBload _ _))
  8327  	// cond:
  8328  	// result: x
  8329  	for {
  8330  		x := v.Args[0]
  8331  		if x.Op != OpS390XMOVBload {
  8332  			break
  8333  		}
  8334  		v.reset(OpCopy)
  8335  		v.Type = x.Type
  8336  		v.AddArg(x)
  8337  		return true
  8338  	}
  8339  	// match: (MOVBreg x:(Arg <t>))
  8340  	// cond: is8BitInt(t) && isSigned(t)
  8341  	// result: x
  8342  	for {
  8343  		x := v.Args[0]
  8344  		if x.Op != OpArg {
  8345  			break
  8346  		}
  8347  		t := x.Type
  8348  		if !(is8BitInt(t) && isSigned(t)) {
  8349  			break
  8350  		}
  8351  		v.reset(OpCopy)
  8352  		v.Type = x.Type
  8353  		v.AddArg(x)
  8354  		return true
  8355  	}
  8356  	// match: (MOVBreg x:(MOVBreg _))
  8357  	// cond:
  8358  	// result: x
  8359  	for {
  8360  		x := v.Args[0]
  8361  		if x.Op != OpS390XMOVBreg {
  8362  			break
  8363  		}
  8364  		v.reset(OpCopy)
  8365  		v.Type = x.Type
  8366  		v.AddArg(x)
  8367  		return true
  8368  	}
  8369  	// match: (MOVBreg (MOVDconst [c]))
  8370  	// cond:
  8371  	// result: (MOVDconst [int64(int8(c))])
  8372  	for {
  8373  		v_0 := v.Args[0]
  8374  		if v_0.Op != OpS390XMOVDconst {
  8375  			break
  8376  		}
  8377  		c := v_0.AuxInt
  8378  		v.reset(OpS390XMOVDconst)
  8379  		v.AuxInt = int64(int8(c))
  8380  		return true
  8381  	}
  8382  	// match: (MOVBreg x:(MOVBZload [off] {sym} ptr mem))
  8383  	// cond: x.Uses == 1 && clobber(x)
  8384  	// result: @x.Block (MOVBload <v.Type> [off] {sym} ptr mem)
  8385  	for {
  8386  		x := v.Args[0]
  8387  		if x.Op != OpS390XMOVBZload {
  8388  			break
  8389  		}
  8390  		off := x.AuxInt
  8391  		sym := x.Aux
  8392  		ptr := x.Args[0]
  8393  		mem := x.Args[1]
  8394  		if !(x.Uses == 1 && clobber(x)) {
  8395  			break
  8396  		}
  8397  		b = x.Block
  8398  		v0 := b.NewValue0(v.Line, OpS390XMOVBload, v.Type)
  8399  		v.reset(OpCopy)
  8400  		v.AddArg(v0)
  8401  		v0.AuxInt = off
  8402  		v0.Aux = sym
  8403  		v0.AddArg(ptr)
  8404  		v0.AddArg(mem)
  8405  		return true
  8406  	}
  8407  	return false
  8408  }
  8409  func rewriteValueS390X_OpS390XMOVBstore(v *Value, config *Config) bool {
  8410  	b := v.Block
  8411  	_ = b
  8412  	// match: (MOVBstore [off] {sym} ptr (MOVBreg x) mem)
  8413  	// cond:
  8414  	// result: (MOVBstore [off] {sym} ptr x mem)
  8415  	for {
  8416  		off := v.AuxInt
  8417  		sym := v.Aux
  8418  		ptr := v.Args[0]
  8419  		v_1 := v.Args[1]
  8420  		if v_1.Op != OpS390XMOVBreg {
  8421  			break
  8422  		}
  8423  		x := v_1.Args[0]
  8424  		mem := v.Args[2]
  8425  		v.reset(OpS390XMOVBstore)
  8426  		v.AuxInt = off
  8427  		v.Aux = sym
  8428  		v.AddArg(ptr)
  8429  		v.AddArg(x)
  8430  		v.AddArg(mem)
  8431  		return true
  8432  	}
  8433  	// match: (MOVBstore [off] {sym} ptr (MOVBZreg x) mem)
  8434  	// cond:
  8435  	// result: (MOVBstore [off] {sym} ptr x mem)
  8436  	for {
  8437  		off := v.AuxInt
  8438  		sym := v.Aux
  8439  		ptr := v.Args[0]
  8440  		v_1 := v.Args[1]
  8441  		if v_1.Op != OpS390XMOVBZreg {
  8442  			break
  8443  		}
  8444  		x := v_1.Args[0]
  8445  		mem := v.Args[2]
  8446  		v.reset(OpS390XMOVBstore)
  8447  		v.AuxInt = off
  8448  		v.Aux = sym
  8449  		v.AddArg(ptr)
  8450  		v.AddArg(x)
  8451  		v.AddArg(mem)
  8452  		return true
  8453  	}
  8454  	// match: (MOVBstore  [off1] {sym} (ADDconst [off2] ptr) val mem)
  8455  	// cond: is32Bit(off1+off2)
  8456  	// result: (MOVBstore  [off1+off2] {sym} ptr val mem)
  8457  	for {
  8458  		off1 := v.AuxInt
  8459  		sym := v.Aux
  8460  		v_0 := v.Args[0]
  8461  		if v_0.Op != OpS390XADDconst {
  8462  			break
  8463  		}
  8464  		off2 := v_0.AuxInt
  8465  		ptr := v_0.Args[0]
  8466  		val := v.Args[1]
  8467  		mem := v.Args[2]
  8468  		if !(is32Bit(off1 + off2)) {
  8469  			break
  8470  		}
  8471  		v.reset(OpS390XMOVBstore)
  8472  		v.AuxInt = off1 + off2
  8473  		v.Aux = sym
  8474  		v.AddArg(ptr)
  8475  		v.AddArg(val)
  8476  		v.AddArg(mem)
  8477  		return true
  8478  	}
  8479  	// match: (MOVBstore [off] {sym} ptr (MOVDconst [c]) mem)
  8480  	// cond: validOff(off) && ptr.Op != OpSB
  8481  	// result: (MOVBstoreconst [makeValAndOff(int64(int8(c)),off)] {sym} ptr mem)
  8482  	for {
  8483  		off := v.AuxInt
  8484  		sym := v.Aux
  8485  		ptr := v.Args[0]
  8486  		v_1 := v.Args[1]
  8487  		if v_1.Op != OpS390XMOVDconst {
  8488  			break
  8489  		}
  8490  		c := v_1.AuxInt
  8491  		mem := v.Args[2]
  8492  		if !(validOff(off) && ptr.Op != OpSB) {
  8493  			break
  8494  		}
  8495  		v.reset(OpS390XMOVBstoreconst)
  8496  		v.AuxInt = makeValAndOff(int64(int8(c)), off)
  8497  		v.Aux = sym
  8498  		v.AddArg(ptr)
  8499  		v.AddArg(mem)
  8500  		return true
  8501  	}
  8502  	// match: (MOVBstore  [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
  8503  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8504  	// result: (MOVBstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  8505  	for {
  8506  		off1 := v.AuxInt
  8507  		sym1 := v.Aux
  8508  		v_0 := v.Args[0]
  8509  		if v_0.Op != OpS390XMOVDaddr {
  8510  			break
  8511  		}
  8512  		off2 := v_0.AuxInt
  8513  		sym2 := v_0.Aux
  8514  		base := v_0.Args[0]
  8515  		val := v.Args[1]
  8516  		mem := v.Args[2]
  8517  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8518  			break
  8519  		}
  8520  		v.reset(OpS390XMOVBstore)
  8521  		v.AuxInt = off1 + off2
  8522  		v.Aux = mergeSym(sym1, sym2)
  8523  		v.AddArg(base)
  8524  		v.AddArg(val)
  8525  		v.AddArg(mem)
  8526  		return true
  8527  	}
  8528  	// match: (MOVBstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
  8529  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8530  	// result: (MOVBstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
  8531  	for {
  8532  		off1 := v.AuxInt
  8533  		sym1 := v.Aux
  8534  		v_0 := v.Args[0]
  8535  		if v_0.Op != OpS390XMOVDaddridx {
  8536  			break
  8537  		}
  8538  		off2 := v_0.AuxInt
  8539  		sym2 := v_0.Aux
  8540  		ptr := v_0.Args[0]
  8541  		idx := v_0.Args[1]
  8542  		val := v.Args[1]
  8543  		mem := v.Args[2]
  8544  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8545  			break
  8546  		}
  8547  		v.reset(OpS390XMOVBstoreidx)
  8548  		v.AuxInt = off1 + off2
  8549  		v.Aux = mergeSym(sym1, sym2)
  8550  		v.AddArg(ptr)
  8551  		v.AddArg(idx)
  8552  		v.AddArg(val)
  8553  		v.AddArg(mem)
  8554  		return true
  8555  	}
  8556  	// match: (MOVBstore [off] {sym} (ADD ptr idx) val mem)
  8557  	// cond: ptr.Op != OpSB
  8558  	// result: (MOVBstoreidx [off] {sym} ptr idx val mem)
  8559  	for {
  8560  		off := v.AuxInt
  8561  		sym := v.Aux
  8562  		v_0 := v.Args[0]
  8563  		if v_0.Op != OpS390XADD {
  8564  			break
  8565  		}
  8566  		ptr := v_0.Args[0]
  8567  		idx := v_0.Args[1]
  8568  		val := v.Args[1]
  8569  		mem := v.Args[2]
  8570  		if !(ptr.Op != OpSB) {
  8571  			break
  8572  		}
  8573  		v.reset(OpS390XMOVBstoreidx)
  8574  		v.AuxInt = off
  8575  		v.Aux = sym
  8576  		v.AddArg(ptr)
  8577  		v.AddArg(idx)
  8578  		v.AddArg(val)
  8579  		v.AddArg(mem)
  8580  		return true
  8581  	}
  8582  	// match: (MOVBstore [i] {s} p w x:(MOVBstore [i-1] {s} p (SRDconst [8] w) mem))
  8583  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8584  	// result: (MOVHstore [i-1] {s} p w mem)
  8585  	for {
  8586  		i := v.AuxInt
  8587  		s := v.Aux
  8588  		p := v.Args[0]
  8589  		w := v.Args[1]
  8590  		x := v.Args[2]
  8591  		if x.Op != OpS390XMOVBstore {
  8592  			break
  8593  		}
  8594  		if x.AuxInt != i-1 {
  8595  			break
  8596  		}
  8597  		if x.Aux != s {
  8598  			break
  8599  		}
  8600  		if p != x.Args[0] {
  8601  			break
  8602  		}
  8603  		x_1 := x.Args[1]
  8604  		if x_1.Op != OpS390XSRDconst {
  8605  			break
  8606  		}
  8607  		if x_1.AuxInt != 8 {
  8608  			break
  8609  		}
  8610  		if w != x_1.Args[0] {
  8611  			break
  8612  		}
  8613  		mem := x.Args[2]
  8614  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8615  			break
  8616  		}
  8617  		v.reset(OpS390XMOVHstore)
  8618  		v.AuxInt = i - 1
  8619  		v.Aux = s
  8620  		v.AddArg(p)
  8621  		v.AddArg(w)
  8622  		v.AddArg(mem)
  8623  		return true
  8624  	}
  8625  	// match: (MOVBstore [i] {s} p w0:(SRDconst [j] w) x:(MOVBstore [i-1] {s} p (SRDconst [j+8] w) mem))
  8626  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8627  	// result: (MOVHstore [i-1] {s} p w0 mem)
  8628  	for {
  8629  		i := v.AuxInt
  8630  		s := v.Aux
  8631  		p := v.Args[0]
  8632  		w0 := v.Args[1]
  8633  		if w0.Op != OpS390XSRDconst {
  8634  			break
  8635  		}
  8636  		j := w0.AuxInt
  8637  		w := w0.Args[0]
  8638  		x := v.Args[2]
  8639  		if x.Op != OpS390XMOVBstore {
  8640  			break
  8641  		}
  8642  		if x.AuxInt != i-1 {
  8643  			break
  8644  		}
  8645  		if x.Aux != s {
  8646  			break
  8647  		}
  8648  		if p != x.Args[0] {
  8649  			break
  8650  		}
  8651  		x_1 := x.Args[1]
  8652  		if x_1.Op != OpS390XSRDconst {
  8653  			break
  8654  		}
  8655  		if x_1.AuxInt != j+8 {
  8656  			break
  8657  		}
  8658  		if w != x_1.Args[0] {
  8659  			break
  8660  		}
  8661  		mem := x.Args[2]
  8662  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8663  			break
  8664  		}
  8665  		v.reset(OpS390XMOVHstore)
  8666  		v.AuxInt = i - 1
  8667  		v.Aux = s
  8668  		v.AddArg(p)
  8669  		v.AddArg(w0)
  8670  		v.AddArg(mem)
  8671  		return true
  8672  	}
  8673  	// match: (MOVBstore [i] {s} p w x:(MOVBstore [i-1] {s} p (SRWconst [8] w) mem))
  8674  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8675  	// result: (MOVHstore [i-1] {s} p w mem)
  8676  	for {
  8677  		i := v.AuxInt
  8678  		s := v.Aux
  8679  		p := v.Args[0]
  8680  		w := v.Args[1]
  8681  		x := v.Args[2]
  8682  		if x.Op != OpS390XMOVBstore {
  8683  			break
  8684  		}
  8685  		if x.AuxInt != i-1 {
  8686  			break
  8687  		}
  8688  		if x.Aux != s {
  8689  			break
  8690  		}
  8691  		if p != x.Args[0] {
  8692  			break
  8693  		}
  8694  		x_1 := x.Args[1]
  8695  		if x_1.Op != OpS390XSRWconst {
  8696  			break
  8697  		}
  8698  		if x_1.AuxInt != 8 {
  8699  			break
  8700  		}
  8701  		if w != x_1.Args[0] {
  8702  			break
  8703  		}
  8704  		mem := x.Args[2]
  8705  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8706  			break
  8707  		}
  8708  		v.reset(OpS390XMOVHstore)
  8709  		v.AuxInt = i - 1
  8710  		v.Aux = s
  8711  		v.AddArg(p)
  8712  		v.AddArg(w)
  8713  		v.AddArg(mem)
  8714  		return true
  8715  	}
  8716  	// match: (MOVBstore [i] {s} p w0:(SRWconst [j] w) x:(MOVBstore [i-1] {s} p (SRWconst [j+8] w) mem))
  8717  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8718  	// result: (MOVHstore [i-1] {s} p w0 mem)
  8719  	for {
  8720  		i := v.AuxInt
  8721  		s := v.Aux
  8722  		p := v.Args[0]
  8723  		w0 := v.Args[1]
  8724  		if w0.Op != OpS390XSRWconst {
  8725  			break
  8726  		}
  8727  		j := w0.AuxInt
  8728  		w := w0.Args[0]
  8729  		x := v.Args[2]
  8730  		if x.Op != OpS390XMOVBstore {
  8731  			break
  8732  		}
  8733  		if x.AuxInt != i-1 {
  8734  			break
  8735  		}
  8736  		if x.Aux != s {
  8737  			break
  8738  		}
  8739  		if p != x.Args[0] {
  8740  			break
  8741  		}
  8742  		x_1 := x.Args[1]
  8743  		if x_1.Op != OpS390XSRWconst {
  8744  			break
  8745  		}
  8746  		if x_1.AuxInt != j+8 {
  8747  			break
  8748  		}
  8749  		if w != x_1.Args[0] {
  8750  			break
  8751  		}
  8752  		mem := x.Args[2]
  8753  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8754  			break
  8755  		}
  8756  		v.reset(OpS390XMOVHstore)
  8757  		v.AuxInt = i - 1
  8758  		v.Aux = s
  8759  		v.AddArg(p)
  8760  		v.AddArg(w0)
  8761  		v.AddArg(mem)
  8762  		return true
  8763  	}
  8764  	// match: (MOVBstore [i] {s} p (SRDconst [8] w) x:(MOVBstore [i-1] {s} p w mem))
  8765  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8766  	// result: (MOVHBRstore [i-1] {s} p w mem)
  8767  	for {
  8768  		i := v.AuxInt
  8769  		s := v.Aux
  8770  		p := v.Args[0]
  8771  		v_1 := v.Args[1]
  8772  		if v_1.Op != OpS390XSRDconst {
  8773  			break
  8774  		}
  8775  		if v_1.AuxInt != 8 {
  8776  			break
  8777  		}
  8778  		w := v_1.Args[0]
  8779  		x := v.Args[2]
  8780  		if x.Op != OpS390XMOVBstore {
  8781  			break
  8782  		}
  8783  		if x.AuxInt != i-1 {
  8784  			break
  8785  		}
  8786  		if x.Aux != s {
  8787  			break
  8788  		}
  8789  		if p != x.Args[0] {
  8790  			break
  8791  		}
  8792  		if w != x.Args[1] {
  8793  			break
  8794  		}
  8795  		mem := x.Args[2]
  8796  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8797  			break
  8798  		}
  8799  		v.reset(OpS390XMOVHBRstore)
  8800  		v.AuxInt = i - 1
  8801  		v.Aux = s
  8802  		v.AddArg(p)
  8803  		v.AddArg(w)
  8804  		v.AddArg(mem)
  8805  		return true
  8806  	}
  8807  	// match: (MOVBstore [i] {s} p (SRDconst [j] w) x:(MOVBstore [i-1] {s} p w0:(SRDconst [j-8] w) mem))
  8808  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8809  	// result: (MOVHBRstore [i-1] {s} p w0 mem)
  8810  	for {
  8811  		i := v.AuxInt
  8812  		s := v.Aux
  8813  		p := v.Args[0]
  8814  		v_1 := v.Args[1]
  8815  		if v_1.Op != OpS390XSRDconst {
  8816  			break
  8817  		}
  8818  		j := v_1.AuxInt
  8819  		w := v_1.Args[0]
  8820  		x := v.Args[2]
  8821  		if x.Op != OpS390XMOVBstore {
  8822  			break
  8823  		}
  8824  		if x.AuxInt != i-1 {
  8825  			break
  8826  		}
  8827  		if x.Aux != s {
  8828  			break
  8829  		}
  8830  		if p != x.Args[0] {
  8831  			break
  8832  		}
  8833  		w0 := x.Args[1]
  8834  		if w0.Op != OpS390XSRDconst {
  8835  			break
  8836  		}
  8837  		if w0.AuxInt != j-8 {
  8838  			break
  8839  		}
  8840  		if w != w0.Args[0] {
  8841  			break
  8842  		}
  8843  		mem := x.Args[2]
  8844  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8845  			break
  8846  		}
  8847  		v.reset(OpS390XMOVHBRstore)
  8848  		v.AuxInt = i - 1
  8849  		v.Aux = s
  8850  		v.AddArg(p)
  8851  		v.AddArg(w0)
  8852  		v.AddArg(mem)
  8853  		return true
  8854  	}
  8855  	// match: (MOVBstore [i] {s} p (SRWconst [8] w) x:(MOVBstore [i-1] {s} p w mem))
  8856  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8857  	// result: (MOVHBRstore [i-1] {s} p w mem)
  8858  	for {
  8859  		i := v.AuxInt
  8860  		s := v.Aux
  8861  		p := v.Args[0]
  8862  		v_1 := v.Args[1]
  8863  		if v_1.Op != OpS390XSRWconst {
  8864  			break
  8865  		}
  8866  		if v_1.AuxInt != 8 {
  8867  			break
  8868  		}
  8869  		w := v_1.Args[0]
  8870  		x := v.Args[2]
  8871  		if x.Op != OpS390XMOVBstore {
  8872  			break
  8873  		}
  8874  		if x.AuxInt != i-1 {
  8875  			break
  8876  		}
  8877  		if x.Aux != s {
  8878  			break
  8879  		}
  8880  		if p != x.Args[0] {
  8881  			break
  8882  		}
  8883  		if w != x.Args[1] {
  8884  			break
  8885  		}
  8886  		mem := x.Args[2]
  8887  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8888  			break
  8889  		}
  8890  		v.reset(OpS390XMOVHBRstore)
  8891  		v.AuxInt = i - 1
  8892  		v.Aux = s
  8893  		v.AddArg(p)
  8894  		v.AddArg(w)
  8895  		v.AddArg(mem)
  8896  		return true
  8897  	}
  8898  	// match: (MOVBstore [i] {s} p (SRWconst [j] w) x:(MOVBstore [i-1] {s} p w0:(SRWconst [j-8] w) mem))
  8899  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8900  	// result: (MOVHBRstore [i-1] {s} p w0 mem)
  8901  	for {
  8902  		i := v.AuxInt
  8903  		s := v.Aux
  8904  		p := v.Args[0]
  8905  		v_1 := v.Args[1]
  8906  		if v_1.Op != OpS390XSRWconst {
  8907  			break
  8908  		}
  8909  		j := v_1.AuxInt
  8910  		w := v_1.Args[0]
  8911  		x := v.Args[2]
  8912  		if x.Op != OpS390XMOVBstore {
  8913  			break
  8914  		}
  8915  		if x.AuxInt != i-1 {
  8916  			break
  8917  		}
  8918  		if x.Aux != s {
  8919  			break
  8920  		}
  8921  		if p != x.Args[0] {
  8922  			break
  8923  		}
  8924  		w0 := x.Args[1]
  8925  		if w0.Op != OpS390XSRWconst {
  8926  			break
  8927  		}
  8928  		if w0.AuxInt != j-8 {
  8929  			break
  8930  		}
  8931  		if w != w0.Args[0] {
  8932  			break
  8933  		}
  8934  		mem := x.Args[2]
  8935  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8936  			break
  8937  		}
  8938  		v.reset(OpS390XMOVHBRstore)
  8939  		v.AuxInt = i - 1
  8940  		v.Aux = s
  8941  		v.AddArg(p)
  8942  		v.AddArg(w0)
  8943  		v.AddArg(mem)
  8944  		return true
  8945  	}
  8946  	return false
  8947  }
  8948  func rewriteValueS390X_OpS390XMOVBstoreconst(v *Value, config *Config) bool {
  8949  	b := v.Block
  8950  	_ = b
  8951  	// match: (MOVBstoreconst [sc] {s} (ADDconst [off] ptr) mem)
  8952  	// cond: ValAndOff(sc).canAdd(off)
  8953  	// result: (MOVBstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
  8954  	for {
  8955  		sc := v.AuxInt
  8956  		s := v.Aux
  8957  		v_0 := v.Args[0]
  8958  		if v_0.Op != OpS390XADDconst {
  8959  			break
  8960  		}
  8961  		off := v_0.AuxInt
  8962  		ptr := v_0.Args[0]
  8963  		mem := v.Args[1]
  8964  		if !(ValAndOff(sc).canAdd(off)) {
  8965  			break
  8966  		}
  8967  		v.reset(OpS390XMOVBstoreconst)
  8968  		v.AuxInt = ValAndOff(sc).add(off)
  8969  		v.Aux = s
  8970  		v.AddArg(ptr)
  8971  		v.AddArg(mem)
  8972  		return true
  8973  	}
  8974  	// match: (MOVBstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
  8975  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
  8976  	// result: (MOVBstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
  8977  	for {
  8978  		sc := v.AuxInt
  8979  		sym1 := v.Aux
  8980  		v_0 := v.Args[0]
  8981  		if v_0.Op != OpS390XMOVDaddr {
  8982  			break
  8983  		}
  8984  		off := v_0.AuxInt
  8985  		sym2 := v_0.Aux
  8986  		ptr := v_0.Args[0]
  8987  		mem := v.Args[1]
  8988  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
  8989  			break
  8990  		}
  8991  		v.reset(OpS390XMOVBstoreconst)
  8992  		v.AuxInt = ValAndOff(sc).add(off)
  8993  		v.Aux = mergeSym(sym1, sym2)
  8994  		v.AddArg(ptr)
  8995  		v.AddArg(mem)
  8996  		return true
  8997  	}
  8998  	// match: (MOVBstoreconst [c] {s} p x:(MOVBstoreconst [a] {s} p mem))
  8999  	// cond: p.Op != OpSB   && x.Uses == 1   && ValAndOff(a).Off() + 1 == ValAndOff(c).Off()   && clobber(x)
  9000  	// result: (MOVHstoreconst [makeValAndOff(ValAndOff(c).Val()&0xff | ValAndOff(a).Val()<<8, ValAndOff(a).Off())] {s} p mem)
  9001  	for {
  9002  		c := v.AuxInt
  9003  		s := v.Aux
  9004  		p := v.Args[0]
  9005  		x := v.Args[1]
  9006  		if x.Op != OpS390XMOVBstoreconst {
  9007  			break
  9008  		}
  9009  		a := x.AuxInt
  9010  		if x.Aux != s {
  9011  			break
  9012  		}
  9013  		if p != x.Args[0] {
  9014  			break
  9015  		}
  9016  		mem := x.Args[1]
  9017  		if !(p.Op != OpSB && x.Uses == 1 && ValAndOff(a).Off()+1 == ValAndOff(c).Off() && clobber(x)) {
  9018  			break
  9019  		}
  9020  		v.reset(OpS390XMOVHstoreconst)
  9021  		v.AuxInt = makeValAndOff(ValAndOff(c).Val()&0xff|ValAndOff(a).Val()<<8, ValAndOff(a).Off())
  9022  		v.Aux = s
  9023  		v.AddArg(p)
  9024  		v.AddArg(mem)
  9025  		return true
  9026  	}
  9027  	return false
  9028  }
  9029  func rewriteValueS390X_OpS390XMOVBstoreidx(v *Value, config *Config) bool {
  9030  	b := v.Block
  9031  	_ = b
  9032  	// match: (MOVBstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
  9033  	// cond:
  9034  	// result: (MOVBstoreidx [c+d] {sym} ptr idx val mem)
  9035  	for {
  9036  		c := v.AuxInt
  9037  		sym := v.Aux
  9038  		v_0 := v.Args[0]
  9039  		if v_0.Op != OpS390XADDconst {
  9040  			break
  9041  		}
  9042  		d := v_0.AuxInt
  9043  		ptr := v_0.Args[0]
  9044  		idx := v.Args[1]
  9045  		val := v.Args[2]
  9046  		mem := v.Args[3]
  9047  		v.reset(OpS390XMOVBstoreidx)
  9048  		v.AuxInt = c + d
  9049  		v.Aux = sym
  9050  		v.AddArg(ptr)
  9051  		v.AddArg(idx)
  9052  		v.AddArg(val)
  9053  		v.AddArg(mem)
  9054  		return true
  9055  	}
  9056  	// match: (MOVBstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
  9057  	// cond:
  9058  	// result: (MOVBstoreidx [c+d] {sym} ptr idx val mem)
  9059  	for {
  9060  		c := v.AuxInt
  9061  		sym := v.Aux
  9062  		ptr := v.Args[0]
  9063  		v_1 := v.Args[1]
  9064  		if v_1.Op != OpS390XADDconst {
  9065  			break
  9066  		}
  9067  		d := v_1.AuxInt
  9068  		idx := v_1.Args[0]
  9069  		val := v.Args[2]
  9070  		mem := v.Args[3]
  9071  		v.reset(OpS390XMOVBstoreidx)
  9072  		v.AuxInt = c + d
  9073  		v.Aux = sym
  9074  		v.AddArg(ptr)
  9075  		v.AddArg(idx)
  9076  		v.AddArg(val)
  9077  		v.AddArg(mem)
  9078  		return true
  9079  	}
  9080  	// match: (MOVBstoreidx [i] {s} p idx w x:(MOVBstoreidx [i-1] {s} p idx (SRDconst [8] w) mem))
  9081  	// cond: x.Uses == 1   && clobber(x)
  9082  	// result: (MOVHstoreidx [i-1] {s} p idx w mem)
  9083  	for {
  9084  		i := v.AuxInt
  9085  		s := v.Aux
  9086  		p := v.Args[0]
  9087  		idx := v.Args[1]
  9088  		w := v.Args[2]
  9089  		x := v.Args[3]
  9090  		if x.Op != OpS390XMOVBstoreidx {
  9091  			break
  9092  		}
  9093  		if x.AuxInt != i-1 {
  9094  			break
  9095  		}
  9096  		if x.Aux != s {
  9097  			break
  9098  		}
  9099  		if p != x.Args[0] {
  9100  			break
  9101  		}
  9102  		if idx != x.Args[1] {
  9103  			break
  9104  		}
  9105  		x_2 := x.Args[2]
  9106  		if x_2.Op != OpS390XSRDconst {
  9107  			break
  9108  		}
  9109  		if x_2.AuxInt != 8 {
  9110  			break
  9111  		}
  9112  		if w != x_2.Args[0] {
  9113  			break
  9114  		}
  9115  		mem := x.Args[3]
  9116  		if !(x.Uses == 1 && clobber(x)) {
  9117  			break
  9118  		}
  9119  		v.reset(OpS390XMOVHstoreidx)
  9120  		v.AuxInt = i - 1
  9121  		v.Aux = s
  9122  		v.AddArg(p)
  9123  		v.AddArg(idx)
  9124  		v.AddArg(w)
  9125  		v.AddArg(mem)
  9126  		return true
  9127  	}
  9128  	// match: (MOVBstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx (SRDconst [j+8] w) mem))
  9129  	// cond: x.Uses == 1   && clobber(x)
  9130  	// result: (MOVHstoreidx [i-1] {s} p idx w0 mem)
  9131  	for {
  9132  		i := v.AuxInt
  9133  		s := v.Aux
  9134  		p := v.Args[0]
  9135  		idx := v.Args[1]
  9136  		w0 := v.Args[2]
  9137  		if w0.Op != OpS390XSRDconst {
  9138  			break
  9139  		}
  9140  		j := w0.AuxInt
  9141  		w := w0.Args[0]
  9142  		x := v.Args[3]
  9143  		if x.Op != OpS390XMOVBstoreidx {
  9144  			break
  9145  		}
  9146  		if x.AuxInt != i-1 {
  9147  			break
  9148  		}
  9149  		if x.Aux != s {
  9150  			break
  9151  		}
  9152  		if p != x.Args[0] {
  9153  			break
  9154  		}
  9155  		if idx != x.Args[1] {
  9156  			break
  9157  		}
  9158  		x_2 := x.Args[2]
  9159  		if x_2.Op != OpS390XSRDconst {
  9160  			break
  9161  		}
  9162  		if x_2.AuxInt != j+8 {
  9163  			break
  9164  		}
  9165  		if w != x_2.Args[0] {
  9166  			break
  9167  		}
  9168  		mem := x.Args[3]
  9169  		if !(x.Uses == 1 && clobber(x)) {
  9170  			break
  9171  		}
  9172  		v.reset(OpS390XMOVHstoreidx)
  9173  		v.AuxInt = i - 1
  9174  		v.Aux = s
  9175  		v.AddArg(p)
  9176  		v.AddArg(idx)
  9177  		v.AddArg(w0)
  9178  		v.AddArg(mem)
  9179  		return true
  9180  	}
  9181  	// match: (MOVBstoreidx [i] {s} p idx w x:(MOVBstoreidx [i-1] {s} p idx (SRWconst [8] w) mem))
  9182  	// cond: x.Uses == 1   && clobber(x)
  9183  	// result: (MOVHstoreidx [i-1] {s} p idx w mem)
  9184  	for {
  9185  		i := v.AuxInt
  9186  		s := v.Aux
  9187  		p := v.Args[0]
  9188  		idx := v.Args[1]
  9189  		w := v.Args[2]
  9190  		x := v.Args[3]
  9191  		if x.Op != OpS390XMOVBstoreidx {
  9192  			break
  9193  		}
  9194  		if x.AuxInt != i-1 {
  9195  			break
  9196  		}
  9197  		if x.Aux != s {
  9198  			break
  9199  		}
  9200  		if p != x.Args[0] {
  9201  			break
  9202  		}
  9203  		if idx != x.Args[1] {
  9204  			break
  9205  		}
  9206  		x_2 := x.Args[2]
  9207  		if x_2.Op != OpS390XSRWconst {
  9208  			break
  9209  		}
  9210  		if x_2.AuxInt != 8 {
  9211  			break
  9212  		}
  9213  		if w != x_2.Args[0] {
  9214  			break
  9215  		}
  9216  		mem := x.Args[3]
  9217  		if !(x.Uses == 1 && clobber(x)) {
  9218  			break
  9219  		}
  9220  		v.reset(OpS390XMOVHstoreidx)
  9221  		v.AuxInt = i - 1
  9222  		v.Aux = s
  9223  		v.AddArg(p)
  9224  		v.AddArg(idx)
  9225  		v.AddArg(w)
  9226  		v.AddArg(mem)
  9227  		return true
  9228  	}
  9229  	// match: (MOVBstoreidx [i] {s} p idx w0:(SRWconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx (SRWconst [j+8] w) mem))
  9230  	// cond: x.Uses == 1   && clobber(x)
  9231  	// result: (MOVHstoreidx [i-1] {s} p idx w0 mem)
  9232  	for {
  9233  		i := v.AuxInt
  9234  		s := v.Aux
  9235  		p := v.Args[0]
  9236  		idx := v.Args[1]
  9237  		w0 := v.Args[2]
  9238  		if w0.Op != OpS390XSRWconst {
  9239  			break
  9240  		}
  9241  		j := w0.AuxInt
  9242  		w := w0.Args[0]
  9243  		x := v.Args[3]
  9244  		if x.Op != OpS390XMOVBstoreidx {
  9245  			break
  9246  		}
  9247  		if x.AuxInt != i-1 {
  9248  			break
  9249  		}
  9250  		if x.Aux != s {
  9251  			break
  9252  		}
  9253  		if p != x.Args[0] {
  9254  			break
  9255  		}
  9256  		if idx != x.Args[1] {
  9257  			break
  9258  		}
  9259  		x_2 := x.Args[2]
  9260  		if x_2.Op != OpS390XSRWconst {
  9261  			break
  9262  		}
  9263  		if x_2.AuxInt != j+8 {
  9264  			break
  9265  		}
  9266  		if w != x_2.Args[0] {
  9267  			break
  9268  		}
  9269  		mem := x.Args[3]
  9270  		if !(x.Uses == 1 && clobber(x)) {
  9271  			break
  9272  		}
  9273  		v.reset(OpS390XMOVHstoreidx)
  9274  		v.AuxInt = i - 1
  9275  		v.Aux = s
  9276  		v.AddArg(p)
  9277  		v.AddArg(idx)
  9278  		v.AddArg(w0)
  9279  		v.AddArg(mem)
  9280  		return true
  9281  	}
  9282  	// match: (MOVBstoreidx [i] {s} p idx (SRDconst [8] w) x:(MOVBstoreidx [i-1] {s} p idx w mem))
  9283  	// cond: x.Uses == 1   && clobber(x)
  9284  	// result: (MOVHBRstoreidx [i-1] {s} p idx w mem)
  9285  	for {
  9286  		i := v.AuxInt
  9287  		s := v.Aux
  9288  		p := v.Args[0]
  9289  		idx := v.Args[1]
  9290  		v_2 := v.Args[2]
  9291  		if v_2.Op != OpS390XSRDconst {
  9292  			break
  9293  		}
  9294  		if v_2.AuxInt != 8 {
  9295  			break
  9296  		}
  9297  		w := v_2.Args[0]
  9298  		x := v.Args[3]
  9299  		if x.Op != OpS390XMOVBstoreidx {
  9300  			break
  9301  		}
  9302  		if x.AuxInt != i-1 {
  9303  			break
  9304  		}
  9305  		if x.Aux != s {
  9306  			break
  9307  		}
  9308  		if p != x.Args[0] {
  9309  			break
  9310  		}
  9311  		if idx != x.Args[1] {
  9312  			break
  9313  		}
  9314  		if w != x.Args[2] {
  9315  			break
  9316  		}
  9317  		mem := x.Args[3]
  9318  		if !(x.Uses == 1 && clobber(x)) {
  9319  			break
  9320  		}
  9321  		v.reset(OpS390XMOVHBRstoreidx)
  9322  		v.AuxInt = i - 1
  9323  		v.Aux = s
  9324  		v.AddArg(p)
  9325  		v.AddArg(idx)
  9326  		v.AddArg(w)
  9327  		v.AddArg(mem)
  9328  		return true
  9329  	}
  9330  	// match: (MOVBstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx w0:(SRDconst [j-8] w) mem))
  9331  	// cond: x.Uses == 1   && clobber(x)
  9332  	// result: (MOVHBRstoreidx [i-1] {s} p idx w0 mem)
  9333  	for {
  9334  		i := v.AuxInt
  9335  		s := v.Aux
  9336  		p := v.Args[0]
  9337  		idx := v.Args[1]
  9338  		v_2 := v.Args[2]
  9339  		if v_2.Op != OpS390XSRDconst {
  9340  			break
  9341  		}
  9342  		j := v_2.AuxInt
  9343  		w := v_2.Args[0]
  9344  		x := v.Args[3]
  9345  		if x.Op != OpS390XMOVBstoreidx {
  9346  			break
  9347  		}
  9348  		if x.AuxInt != i-1 {
  9349  			break
  9350  		}
  9351  		if x.Aux != s {
  9352  			break
  9353  		}
  9354  		if p != x.Args[0] {
  9355  			break
  9356  		}
  9357  		if idx != x.Args[1] {
  9358  			break
  9359  		}
  9360  		w0 := x.Args[2]
  9361  		if w0.Op != OpS390XSRDconst {
  9362  			break
  9363  		}
  9364  		if w0.AuxInt != j-8 {
  9365  			break
  9366  		}
  9367  		if w != w0.Args[0] {
  9368  			break
  9369  		}
  9370  		mem := x.Args[3]
  9371  		if !(x.Uses == 1 && clobber(x)) {
  9372  			break
  9373  		}
  9374  		v.reset(OpS390XMOVHBRstoreidx)
  9375  		v.AuxInt = i - 1
  9376  		v.Aux = s
  9377  		v.AddArg(p)
  9378  		v.AddArg(idx)
  9379  		v.AddArg(w0)
  9380  		v.AddArg(mem)
  9381  		return true
  9382  	}
  9383  	// match: (MOVBstoreidx [i] {s} p idx (SRWconst [8] w) x:(MOVBstoreidx [i-1] {s} p idx w mem))
  9384  	// cond: x.Uses == 1   && clobber(x)
  9385  	// result: (MOVHBRstoreidx [i-1] {s} p idx w mem)
  9386  	for {
  9387  		i := v.AuxInt
  9388  		s := v.Aux
  9389  		p := v.Args[0]
  9390  		idx := v.Args[1]
  9391  		v_2 := v.Args[2]
  9392  		if v_2.Op != OpS390XSRWconst {
  9393  			break
  9394  		}
  9395  		if v_2.AuxInt != 8 {
  9396  			break
  9397  		}
  9398  		w := v_2.Args[0]
  9399  		x := v.Args[3]
  9400  		if x.Op != OpS390XMOVBstoreidx {
  9401  			break
  9402  		}
  9403  		if x.AuxInt != i-1 {
  9404  			break
  9405  		}
  9406  		if x.Aux != s {
  9407  			break
  9408  		}
  9409  		if p != x.Args[0] {
  9410  			break
  9411  		}
  9412  		if idx != x.Args[1] {
  9413  			break
  9414  		}
  9415  		if w != x.Args[2] {
  9416  			break
  9417  		}
  9418  		mem := x.Args[3]
  9419  		if !(x.Uses == 1 && clobber(x)) {
  9420  			break
  9421  		}
  9422  		v.reset(OpS390XMOVHBRstoreidx)
  9423  		v.AuxInt = i - 1
  9424  		v.Aux = s
  9425  		v.AddArg(p)
  9426  		v.AddArg(idx)
  9427  		v.AddArg(w)
  9428  		v.AddArg(mem)
  9429  		return true
  9430  	}
  9431  	// match: (MOVBstoreidx [i] {s} p idx (SRWconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx w0:(SRWconst [j-8] w) mem))
  9432  	// cond: x.Uses == 1   && clobber(x)
  9433  	// result: (MOVHBRstoreidx [i-1] {s} p idx w0 mem)
  9434  	for {
  9435  		i := v.AuxInt
  9436  		s := v.Aux
  9437  		p := v.Args[0]
  9438  		idx := v.Args[1]
  9439  		v_2 := v.Args[2]
  9440  		if v_2.Op != OpS390XSRWconst {
  9441  			break
  9442  		}
  9443  		j := v_2.AuxInt
  9444  		w := v_2.Args[0]
  9445  		x := v.Args[3]
  9446  		if x.Op != OpS390XMOVBstoreidx {
  9447  			break
  9448  		}
  9449  		if x.AuxInt != i-1 {
  9450  			break
  9451  		}
  9452  		if x.Aux != s {
  9453  			break
  9454  		}
  9455  		if p != x.Args[0] {
  9456  			break
  9457  		}
  9458  		if idx != x.Args[1] {
  9459  			break
  9460  		}
  9461  		w0 := x.Args[2]
  9462  		if w0.Op != OpS390XSRWconst {
  9463  			break
  9464  		}
  9465  		if w0.AuxInt != j-8 {
  9466  			break
  9467  		}
  9468  		if w != w0.Args[0] {
  9469  			break
  9470  		}
  9471  		mem := x.Args[3]
  9472  		if !(x.Uses == 1 && clobber(x)) {
  9473  			break
  9474  		}
  9475  		v.reset(OpS390XMOVHBRstoreidx)
  9476  		v.AuxInt = i - 1
  9477  		v.Aux = s
  9478  		v.AddArg(p)
  9479  		v.AddArg(idx)
  9480  		v.AddArg(w0)
  9481  		v.AddArg(mem)
  9482  		return true
  9483  	}
  9484  	return false
  9485  }
  9486  func rewriteValueS390X_OpS390XMOVDEQ(v *Value, config *Config) bool {
  9487  	b := v.Block
  9488  	_ = b
  9489  	// match: (MOVDEQ x y (InvertFlags cmp))
  9490  	// cond:
  9491  	// result: (MOVDEQ x y cmp)
  9492  	for {
  9493  		x := v.Args[0]
  9494  		y := v.Args[1]
  9495  		v_2 := v.Args[2]
  9496  		if v_2.Op != OpS390XInvertFlags {
  9497  			break
  9498  		}
  9499  		cmp := v_2.Args[0]
  9500  		v.reset(OpS390XMOVDEQ)
  9501  		v.AddArg(x)
  9502  		v.AddArg(y)
  9503  		v.AddArg(cmp)
  9504  		return true
  9505  	}
  9506  	// match: (MOVDEQ _ x (FlagEQ))
  9507  	// cond:
  9508  	// result: x
  9509  	for {
  9510  		x := v.Args[1]
  9511  		v_2 := v.Args[2]
  9512  		if v_2.Op != OpS390XFlagEQ {
  9513  			break
  9514  		}
  9515  		v.reset(OpCopy)
  9516  		v.Type = x.Type
  9517  		v.AddArg(x)
  9518  		return true
  9519  	}
  9520  	// match: (MOVDEQ y _ (FlagLT))
  9521  	// cond:
  9522  	// result: y
  9523  	for {
  9524  		y := v.Args[0]
  9525  		v_2 := v.Args[2]
  9526  		if v_2.Op != OpS390XFlagLT {
  9527  			break
  9528  		}
  9529  		v.reset(OpCopy)
  9530  		v.Type = y.Type
  9531  		v.AddArg(y)
  9532  		return true
  9533  	}
  9534  	// match: (MOVDEQ y _ (FlagGT))
  9535  	// cond:
  9536  	// result: y
  9537  	for {
  9538  		y := v.Args[0]
  9539  		v_2 := v.Args[2]
  9540  		if v_2.Op != OpS390XFlagGT {
  9541  			break
  9542  		}
  9543  		v.reset(OpCopy)
  9544  		v.Type = y.Type
  9545  		v.AddArg(y)
  9546  		return true
  9547  	}
  9548  	return false
  9549  }
  9550  func rewriteValueS390X_OpS390XMOVDGE(v *Value, config *Config) bool {
  9551  	b := v.Block
  9552  	_ = b
  9553  	// match: (MOVDGE x y (InvertFlags cmp))
  9554  	// cond:
  9555  	// result: (MOVDLE x y cmp)
  9556  	for {
  9557  		x := v.Args[0]
  9558  		y := v.Args[1]
  9559  		v_2 := v.Args[2]
  9560  		if v_2.Op != OpS390XInvertFlags {
  9561  			break
  9562  		}
  9563  		cmp := v_2.Args[0]
  9564  		v.reset(OpS390XMOVDLE)
  9565  		v.AddArg(x)
  9566  		v.AddArg(y)
  9567  		v.AddArg(cmp)
  9568  		return true
  9569  	}
  9570  	// match: (MOVDGE _ x (FlagEQ))
  9571  	// cond:
  9572  	// result: x
  9573  	for {
  9574  		x := v.Args[1]
  9575  		v_2 := v.Args[2]
  9576  		if v_2.Op != OpS390XFlagEQ {
  9577  			break
  9578  		}
  9579  		v.reset(OpCopy)
  9580  		v.Type = x.Type
  9581  		v.AddArg(x)
  9582  		return true
  9583  	}
  9584  	// match: (MOVDGE y _ (FlagLT))
  9585  	// cond:
  9586  	// result: y
  9587  	for {
  9588  		y := v.Args[0]
  9589  		v_2 := v.Args[2]
  9590  		if v_2.Op != OpS390XFlagLT {
  9591  			break
  9592  		}
  9593  		v.reset(OpCopy)
  9594  		v.Type = y.Type
  9595  		v.AddArg(y)
  9596  		return true
  9597  	}
  9598  	// match: (MOVDGE _ x (FlagGT))
  9599  	// cond:
  9600  	// result: x
  9601  	for {
  9602  		x := v.Args[1]
  9603  		v_2 := v.Args[2]
  9604  		if v_2.Op != OpS390XFlagGT {
  9605  			break
  9606  		}
  9607  		v.reset(OpCopy)
  9608  		v.Type = x.Type
  9609  		v.AddArg(x)
  9610  		return true
  9611  	}
  9612  	return false
  9613  }
  9614  func rewriteValueS390X_OpS390XMOVDGT(v *Value, config *Config) bool {
  9615  	b := v.Block
  9616  	_ = b
  9617  	// match: (MOVDGT x y (InvertFlags cmp))
  9618  	// cond:
  9619  	// result: (MOVDLT x y cmp)
  9620  	for {
  9621  		x := v.Args[0]
  9622  		y := v.Args[1]
  9623  		v_2 := v.Args[2]
  9624  		if v_2.Op != OpS390XInvertFlags {
  9625  			break
  9626  		}
  9627  		cmp := v_2.Args[0]
  9628  		v.reset(OpS390XMOVDLT)
  9629  		v.AddArg(x)
  9630  		v.AddArg(y)
  9631  		v.AddArg(cmp)
  9632  		return true
  9633  	}
  9634  	// match: (MOVDGT y _ (FlagEQ))
  9635  	// cond:
  9636  	// result: y
  9637  	for {
  9638  		y := v.Args[0]
  9639  		v_2 := v.Args[2]
  9640  		if v_2.Op != OpS390XFlagEQ {
  9641  			break
  9642  		}
  9643  		v.reset(OpCopy)
  9644  		v.Type = y.Type
  9645  		v.AddArg(y)
  9646  		return true
  9647  	}
  9648  	// match: (MOVDGT y _ (FlagLT))
  9649  	// cond:
  9650  	// result: y
  9651  	for {
  9652  		y := v.Args[0]
  9653  		v_2 := v.Args[2]
  9654  		if v_2.Op != OpS390XFlagLT {
  9655  			break
  9656  		}
  9657  		v.reset(OpCopy)
  9658  		v.Type = y.Type
  9659  		v.AddArg(y)
  9660  		return true
  9661  	}
  9662  	// match: (MOVDGT _ x (FlagGT))
  9663  	// cond:
  9664  	// result: x
  9665  	for {
  9666  		x := v.Args[1]
  9667  		v_2 := v.Args[2]
  9668  		if v_2.Op != OpS390XFlagGT {
  9669  			break
  9670  		}
  9671  		v.reset(OpCopy)
  9672  		v.Type = x.Type
  9673  		v.AddArg(x)
  9674  		return true
  9675  	}
  9676  	return false
  9677  }
  9678  func rewriteValueS390X_OpS390XMOVDLE(v *Value, config *Config) bool {
  9679  	b := v.Block
  9680  	_ = b
  9681  	// match: (MOVDLE x y (InvertFlags cmp))
  9682  	// cond:
  9683  	// result: (MOVDGE x y cmp)
  9684  	for {
  9685  		x := v.Args[0]
  9686  		y := v.Args[1]
  9687  		v_2 := v.Args[2]
  9688  		if v_2.Op != OpS390XInvertFlags {
  9689  			break
  9690  		}
  9691  		cmp := v_2.Args[0]
  9692  		v.reset(OpS390XMOVDGE)
  9693  		v.AddArg(x)
  9694  		v.AddArg(y)
  9695  		v.AddArg(cmp)
  9696  		return true
  9697  	}
  9698  	// match: (MOVDLE _ x (FlagEQ))
  9699  	// cond:
  9700  	// result: x
  9701  	for {
  9702  		x := v.Args[1]
  9703  		v_2 := v.Args[2]
  9704  		if v_2.Op != OpS390XFlagEQ {
  9705  			break
  9706  		}
  9707  		v.reset(OpCopy)
  9708  		v.Type = x.Type
  9709  		v.AddArg(x)
  9710  		return true
  9711  	}
  9712  	// match: (MOVDLE _ x (FlagLT))
  9713  	// cond:
  9714  	// result: x
  9715  	for {
  9716  		x := v.Args[1]
  9717  		v_2 := v.Args[2]
  9718  		if v_2.Op != OpS390XFlagLT {
  9719  			break
  9720  		}
  9721  		v.reset(OpCopy)
  9722  		v.Type = x.Type
  9723  		v.AddArg(x)
  9724  		return true
  9725  	}
  9726  	// match: (MOVDLE y _ (FlagGT))
  9727  	// cond:
  9728  	// result: y
  9729  	for {
  9730  		y := v.Args[0]
  9731  		v_2 := v.Args[2]
  9732  		if v_2.Op != OpS390XFlagGT {
  9733  			break
  9734  		}
  9735  		v.reset(OpCopy)
  9736  		v.Type = y.Type
  9737  		v.AddArg(y)
  9738  		return true
  9739  	}
  9740  	return false
  9741  }
  9742  func rewriteValueS390X_OpS390XMOVDLT(v *Value, config *Config) bool {
  9743  	b := v.Block
  9744  	_ = b
  9745  	// match: (MOVDLT x y (InvertFlags cmp))
  9746  	// cond:
  9747  	// result: (MOVDGT x y cmp)
  9748  	for {
  9749  		x := v.Args[0]
  9750  		y := v.Args[1]
  9751  		v_2 := v.Args[2]
  9752  		if v_2.Op != OpS390XInvertFlags {
  9753  			break
  9754  		}
  9755  		cmp := v_2.Args[0]
  9756  		v.reset(OpS390XMOVDGT)
  9757  		v.AddArg(x)
  9758  		v.AddArg(y)
  9759  		v.AddArg(cmp)
  9760  		return true
  9761  	}
  9762  	// match: (MOVDLT y _ (FlagEQ))
  9763  	// cond:
  9764  	// result: y
  9765  	for {
  9766  		y := v.Args[0]
  9767  		v_2 := v.Args[2]
  9768  		if v_2.Op != OpS390XFlagEQ {
  9769  			break
  9770  		}
  9771  		v.reset(OpCopy)
  9772  		v.Type = y.Type
  9773  		v.AddArg(y)
  9774  		return true
  9775  	}
  9776  	// match: (MOVDLT _ x (FlagLT))
  9777  	// cond:
  9778  	// result: x
  9779  	for {
  9780  		x := v.Args[1]
  9781  		v_2 := v.Args[2]
  9782  		if v_2.Op != OpS390XFlagLT {
  9783  			break
  9784  		}
  9785  		v.reset(OpCopy)
  9786  		v.Type = x.Type
  9787  		v.AddArg(x)
  9788  		return true
  9789  	}
  9790  	// match: (MOVDLT y _ (FlagGT))
  9791  	// cond:
  9792  	// result: y
  9793  	for {
  9794  		y := v.Args[0]
  9795  		v_2 := v.Args[2]
  9796  		if v_2.Op != OpS390XFlagGT {
  9797  			break
  9798  		}
  9799  		v.reset(OpCopy)
  9800  		v.Type = y.Type
  9801  		v.AddArg(y)
  9802  		return true
  9803  	}
  9804  	return false
  9805  }
  9806  func rewriteValueS390X_OpS390XMOVDNE(v *Value, config *Config) bool {
  9807  	b := v.Block
  9808  	_ = b
  9809  	// match: (MOVDNE x y (InvertFlags cmp))
  9810  	// cond:
  9811  	// result: (MOVDNE x y cmp)
  9812  	for {
  9813  		x := v.Args[0]
  9814  		y := v.Args[1]
  9815  		v_2 := v.Args[2]
  9816  		if v_2.Op != OpS390XInvertFlags {
  9817  			break
  9818  		}
  9819  		cmp := v_2.Args[0]
  9820  		v.reset(OpS390XMOVDNE)
  9821  		v.AddArg(x)
  9822  		v.AddArg(y)
  9823  		v.AddArg(cmp)
  9824  		return true
  9825  	}
  9826  	// match: (MOVDNE _ y (FlagEQ))
  9827  	// cond:
  9828  	// result: y
  9829  	for {
  9830  		y := v.Args[1]
  9831  		v_2 := v.Args[2]
  9832  		if v_2.Op != OpS390XFlagEQ {
  9833  			break
  9834  		}
  9835  		v.reset(OpCopy)
  9836  		v.Type = y.Type
  9837  		v.AddArg(y)
  9838  		return true
  9839  	}
  9840  	// match: (MOVDNE x _ (FlagLT))
  9841  	// cond:
  9842  	// result: x
  9843  	for {
  9844  		x := v.Args[0]
  9845  		v_2 := v.Args[2]
  9846  		if v_2.Op != OpS390XFlagLT {
  9847  			break
  9848  		}
  9849  		v.reset(OpCopy)
  9850  		v.Type = x.Type
  9851  		v.AddArg(x)
  9852  		return true
  9853  	}
  9854  	// match: (MOVDNE x _ (FlagGT))
  9855  	// cond:
  9856  	// result: x
  9857  	for {
  9858  		x := v.Args[0]
  9859  		v_2 := v.Args[2]
  9860  		if v_2.Op != OpS390XFlagGT {
  9861  			break
  9862  		}
  9863  		v.reset(OpCopy)
  9864  		v.Type = x.Type
  9865  		v.AddArg(x)
  9866  		return true
  9867  	}
  9868  	return false
  9869  }
  9870  func rewriteValueS390X_OpS390XMOVDaddr(v *Value, config *Config) bool {
  9871  	b := v.Block
  9872  	_ = b
  9873  	// match: (MOVDaddr [c] {s} (ADDconst [d] x))
  9874  	// cond: ((c+d)&1 == 0) && is32Bit(c+d)
  9875  	// result: (MOVDaddr [c+d] {s} x)
  9876  	for {
  9877  		c := v.AuxInt
  9878  		s := v.Aux
  9879  		v_0 := v.Args[0]
  9880  		if v_0.Op != OpS390XADDconst {
  9881  			break
  9882  		}
  9883  		d := v_0.AuxInt
  9884  		x := v_0.Args[0]
  9885  		if !(((c+d)&1 == 0) && is32Bit(c+d)) {
  9886  			break
  9887  		}
  9888  		v.reset(OpS390XMOVDaddr)
  9889  		v.AuxInt = c + d
  9890  		v.Aux = s
  9891  		v.AddArg(x)
  9892  		return true
  9893  	}
  9894  	// match: (MOVDaddr [c] {s} (ADDconst [d] x))
  9895  	// cond: x.Op != OpSB && is32Bit(c+d)
  9896  	// result: (MOVDaddr [c+d] {s} x)
  9897  	for {
  9898  		c := v.AuxInt
  9899  		s := v.Aux
  9900  		v_0 := v.Args[0]
  9901  		if v_0.Op != OpS390XADDconst {
  9902  			break
  9903  		}
  9904  		d := v_0.AuxInt
  9905  		x := v_0.Args[0]
  9906  		if !(x.Op != OpSB && is32Bit(c+d)) {
  9907  			break
  9908  		}
  9909  		v.reset(OpS390XMOVDaddr)
  9910  		v.AuxInt = c + d
  9911  		v.Aux = s
  9912  		v.AddArg(x)
  9913  		return true
  9914  	}
  9915  	// match: (MOVDaddr [c] {s} (ADD x y))
  9916  	// cond: x.Op != OpSB && y.Op != OpSB
  9917  	// result: (MOVDaddridx [c] {s} x y)
  9918  	for {
  9919  		c := v.AuxInt
  9920  		s := v.Aux
  9921  		v_0 := v.Args[0]
  9922  		if v_0.Op != OpS390XADD {
  9923  			break
  9924  		}
  9925  		x := v_0.Args[0]
  9926  		y := v_0.Args[1]
  9927  		if !(x.Op != OpSB && y.Op != OpSB) {
  9928  			break
  9929  		}
  9930  		v.reset(OpS390XMOVDaddridx)
  9931  		v.AuxInt = c
  9932  		v.Aux = s
  9933  		v.AddArg(x)
  9934  		v.AddArg(y)
  9935  		return true
  9936  	}
  9937  	// match: (MOVDaddr [off1] {sym1} (MOVDaddr [off2] {sym2} x))
  9938  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  9939  	// result: (MOVDaddr [off1+off2] {mergeSym(sym1,sym2)} x)
  9940  	for {
  9941  		off1 := v.AuxInt
  9942  		sym1 := v.Aux
  9943  		v_0 := v.Args[0]
  9944  		if v_0.Op != OpS390XMOVDaddr {
  9945  			break
  9946  		}
  9947  		off2 := v_0.AuxInt
  9948  		sym2 := v_0.Aux
  9949  		x := v_0.Args[0]
  9950  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  9951  			break
  9952  		}
  9953  		v.reset(OpS390XMOVDaddr)
  9954  		v.AuxInt = off1 + off2
  9955  		v.Aux = mergeSym(sym1, sym2)
  9956  		v.AddArg(x)
  9957  		return true
  9958  	}
  9959  	// match: (MOVDaddr [off1] {sym1} (MOVDaddridx [off2] {sym2} x y))
  9960  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  9961  	// result: (MOVDaddridx [off1+off2] {mergeSym(sym1,sym2)} x y)
  9962  	for {
  9963  		off1 := v.AuxInt
  9964  		sym1 := v.Aux
  9965  		v_0 := v.Args[0]
  9966  		if v_0.Op != OpS390XMOVDaddridx {
  9967  			break
  9968  		}
  9969  		off2 := v_0.AuxInt
  9970  		sym2 := v_0.Aux
  9971  		x := v_0.Args[0]
  9972  		y := v_0.Args[1]
  9973  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  9974  			break
  9975  		}
  9976  		v.reset(OpS390XMOVDaddridx)
  9977  		v.AuxInt = off1 + off2
  9978  		v.Aux = mergeSym(sym1, sym2)
  9979  		v.AddArg(x)
  9980  		v.AddArg(y)
  9981  		return true
  9982  	}
  9983  	return false
  9984  }
  9985  func rewriteValueS390X_OpS390XMOVDaddridx(v *Value, config *Config) bool {
  9986  	b := v.Block
  9987  	_ = b
  9988  	// match: (MOVDaddridx [c] {s} (ADDconst [d] x) y)
  9989  	// cond: is32Bit(c+d)   && x.Op != OpSB
  9990  	// result: (MOVDaddridx [c+d] {s} x y)
  9991  	for {
  9992  		c := v.AuxInt
  9993  		s := v.Aux
  9994  		v_0 := v.Args[0]
  9995  		if v_0.Op != OpS390XADDconst {
  9996  			break
  9997  		}
  9998  		d := v_0.AuxInt
  9999  		x := v_0.Args[0]
 10000  		y := v.Args[1]
 10001  		if !(is32Bit(c+d) && x.Op != OpSB) {
 10002  			break
 10003  		}
 10004  		v.reset(OpS390XMOVDaddridx)
 10005  		v.AuxInt = c + d
 10006  		v.Aux = s
 10007  		v.AddArg(x)
 10008  		v.AddArg(y)
 10009  		return true
 10010  	}
 10011  	// match: (MOVDaddridx [c] {s} x (ADDconst [d] y))
 10012  	// cond: is32Bit(c+d)   && y.Op != OpSB
 10013  	// result: (MOVDaddridx [c+d] {s} x y)
 10014  	for {
 10015  		c := v.AuxInt
 10016  		s := v.Aux
 10017  		x := v.Args[0]
 10018  		v_1 := v.Args[1]
 10019  		if v_1.Op != OpS390XADDconst {
 10020  			break
 10021  		}
 10022  		d := v_1.AuxInt
 10023  		y := v_1.Args[0]
 10024  		if !(is32Bit(c+d) && y.Op != OpSB) {
 10025  			break
 10026  		}
 10027  		v.reset(OpS390XMOVDaddridx)
 10028  		v.AuxInt = c + d
 10029  		v.Aux = s
 10030  		v.AddArg(x)
 10031  		v.AddArg(y)
 10032  		return true
 10033  	}
 10034  	// match: (MOVDaddridx [off1] {sym1} (MOVDaddr [off2] {sym2} x) y)
 10035  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2) && x.Op != OpSB
 10036  	// result: (MOVDaddridx [off1+off2] {mergeSym(sym1,sym2)} x y)
 10037  	for {
 10038  		off1 := v.AuxInt
 10039  		sym1 := v.Aux
 10040  		v_0 := v.Args[0]
 10041  		if v_0.Op != OpS390XMOVDaddr {
 10042  			break
 10043  		}
 10044  		off2 := v_0.AuxInt
 10045  		sym2 := v_0.Aux
 10046  		x := v_0.Args[0]
 10047  		y := v.Args[1]
 10048  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
 10049  			break
 10050  		}
 10051  		v.reset(OpS390XMOVDaddridx)
 10052  		v.AuxInt = off1 + off2
 10053  		v.Aux = mergeSym(sym1, sym2)
 10054  		v.AddArg(x)
 10055  		v.AddArg(y)
 10056  		return true
 10057  	}
 10058  	// match: (MOVDaddridx [off1] {sym1} x (MOVDaddr [off2] {sym2} y))
 10059  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2) && y.Op != OpSB
 10060  	// result: (MOVDaddridx [off1+off2] {mergeSym(sym1,sym2)} x y)
 10061  	for {
 10062  		off1 := v.AuxInt
 10063  		sym1 := v.Aux
 10064  		x := v.Args[0]
 10065  		v_1 := v.Args[1]
 10066  		if v_1.Op != OpS390XMOVDaddr {
 10067  			break
 10068  		}
 10069  		off2 := v_1.AuxInt
 10070  		sym2 := v_1.Aux
 10071  		y := v_1.Args[0]
 10072  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2) && y.Op != OpSB) {
 10073  			break
 10074  		}
 10075  		v.reset(OpS390XMOVDaddridx)
 10076  		v.AuxInt = off1 + off2
 10077  		v.Aux = mergeSym(sym1, sym2)
 10078  		v.AddArg(x)
 10079  		v.AddArg(y)
 10080  		return true
 10081  	}
 10082  	return false
 10083  }
 10084  func rewriteValueS390X_OpS390XMOVDload(v *Value, config *Config) bool {
 10085  	b := v.Block
 10086  	_ = b
 10087  	// match: (MOVDload [off] {sym} ptr (MOVDstore [off2] {sym2} ptr2 x _))
 10088  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 10089  	// result: x
 10090  	for {
 10091  		off := v.AuxInt
 10092  		sym := v.Aux
 10093  		ptr := v.Args[0]
 10094  		v_1 := v.Args[1]
 10095  		if v_1.Op != OpS390XMOVDstore {
 10096  			break
 10097  		}
 10098  		off2 := v_1.AuxInt
 10099  		sym2 := v_1.Aux
 10100  		ptr2 := v_1.Args[0]
 10101  		x := v_1.Args[1]
 10102  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 10103  			break
 10104  		}
 10105  		v.reset(OpCopy)
 10106  		v.Type = x.Type
 10107  		v.AddArg(x)
 10108  		return true
 10109  	}
 10110  	// match: (MOVDload  [off1] {sym} (ADDconst [off2] ptr) mem)
 10111  	// cond: is32Bit(off1+off2)
 10112  	// result: (MOVDload  [off1+off2] {sym} ptr mem)
 10113  	for {
 10114  		off1 := v.AuxInt
 10115  		sym := v.Aux
 10116  		v_0 := v.Args[0]
 10117  		if v_0.Op != OpS390XADDconst {
 10118  			break
 10119  		}
 10120  		off2 := v_0.AuxInt
 10121  		ptr := v_0.Args[0]
 10122  		mem := v.Args[1]
 10123  		if !(is32Bit(off1 + off2)) {
 10124  			break
 10125  		}
 10126  		v.reset(OpS390XMOVDload)
 10127  		v.AuxInt = off1 + off2
 10128  		v.Aux = sym
 10129  		v.AddArg(ptr)
 10130  		v.AddArg(mem)
 10131  		return true
 10132  	}
 10133  	// match: (MOVDload  [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 10134  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 10135  	// result: (MOVDload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
 10136  	for {
 10137  		off1 := v.AuxInt
 10138  		sym1 := v.Aux
 10139  		v_0 := v.Args[0]
 10140  		if v_0.Op != OpS390XMOVDaddr {
 10141  			break
 10142  		}
 10143  		off2 := v_0.AuxInt
 10144  		sym2 := v_0.Aux
 10145  		base := v_0.Args[0]
 10146  		mem := v.Args[1]
 10147  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 10148  			break
 10149  		}
 10150  		v.reset(OpS390XMOVDload)
 10151  		v.AuxInt = off1 + off2
 10152  		v.Aux = mergeSym(sym1, sym2)
 10153  		v.AddArg(base)
 10154  		v.AddArg(mem)
 10155  		return true
 10156  	}
 10157  	// match: (MOVDload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
 10158  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 10159  	// result: (MOVDloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
 10160  	for {
 10161  		off1 := v.AuxInt
 10162  		sym1 := v.Aux
 10163  		v_0 := v.Args[0]
 10164  		if v_0.Op != OpS390XMOVDaddridx {
 10165  			break
 10166  		}
 10167  		off2 := v_0.AuxInt
 10168  		sym2 := v_0.Aux
 10169  		ptr := v_0.Args[0]
 10170  		idx := v_0.Args[1]
 10171  		mem := v.Args[1]
 10172  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 10173  			break
 10174  		}
 10175  		v.reset(OpS390XMOVDloadidx)
 10176  		v.AuxInt = off1 + off2
 10177  		v.Aux = mergeSym(sym1, sym2)
 10178  		v.AddArg(ptr)
 10179  		v.AddArg(idx)
 10180  		v.AddArg(mem)
 10181  		return true
 10182  	}
 10183  	// match: (MOVDload [off] {sym} (ADD ptr idx) mem)
 10184  	// cond: ptr.Op != OpSB
 10185  	// result: (MOVDloadidx [off] {sym} ptr idx mem)
 10186  	for {
 10187  		off := v.AuxInt
 10188  		sym := v.Aux
 10189  		v_0 := v.Args[0]
 10190  		if v_0.Op != OpS390XADD {
 10191  			break
 10192  		}
 10193  		ptr := v_0.Args[0]
 10194  		idx := v_0.Args[1]
 10195  		mem := v.Args[1]
 10196  		if !(ptr.Op != OpSB) {
 10197  			break
 10198  		}
 10199  		v.reset(OpS390XMOVDloadidx)
 10200  		v.AuxInt = off
 10201  		v.Aux = sym
 10202  		v.AddArg(ptr)
 10203  		v.AddArg(idx)
 10204  		v.AddArg(mem)
 10205  		return true
 10206  	}
 10207  	return false
 10208  }
 10209  func rewriteValueS390X_OpS390XMOVDloadidx(v *Value, config *Config) bool {
 10210  	b := v.Block
 10211  	_ = b
 10212  	// match: (MOVDloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
 10213  	// cond:
 10214  	// result: (MOVDloadidx [c+d] {sym} ptr idx mem)
 10215  	for {
 10216  		c := v.AuxInt
 10217  		sym := v.Aux
 10218  		v_0 := v.Args[0]
 10219  		if v_0.Op != OpS390XADDconst {
 10220  			break
 10221  		}
 10222  		d := v_0.AuxInt
 10223  		ptr := v_0.Args[0]
 10224  		idx := v.Args[1]
 10225  		mem := v.Args[2]
 10226  		v.reset(OpS390XMOVDloadidx)
 10227  		v.AuxInt = c + d
 10228  		v.Aux = sym
 10229  		v.AddArg(ptr)
 10230  		v.AddArg(idx)
 10231  		v.AddArg(mem)
 10232  		return true
 10233  	}
 10234  	// match: (MOVDloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
 10235  	// cond:
 10236  	// result: (MOVDloadidx [c+d] {sym} ptr idx mem)
 10237  	for {
 10238  		c := v.AuxInt
 10239  		sym := v.Aux
 10240  		ptr := v.Args[0]
 10241  		v_1 := v.Args[1]
 10242  		if v_1.Op != OpS390XADDconst {
 10243  			break
 10244  		}
 10245  		d := v_1.AuxInt
 10246  		idx := v_1.Args[0]
 10247  		mem := v.Args[2]
 10248  		v.reset(OpS390XMOVDloadidx)
 10249  		v.AuxInt = c + d
 10250  		v.Aux = sym
 10251  		v.AddArg(ptr)
 10252  		v.AddArg(idx)
 10253  		v.AddArg(mem)
 10254  		return true
 10255  	}
 10256  	return false
 10257  }
 10258  func rewriteValueS390X_OpS390XMOVDstore(v *Value, config *Config) bool {
 10259  	b := v.Block
 10260  	_ = b
 10261  	// match: (MOVDstore  [off1] {sym} (ADDconst [off2] ptr) val mem)
 10262  	// cond: is32Bit(off1+off2)
 10263  	// result: (MOVDstore  [off1+off2] {sym} ptr val mem)
 10264  	for {
 10265  		off1 := v.AuxInt
 10266  		sym := v.Aux
 10267  		v_0 := v.Args[0]
 10268  		if v_0.Op != OpS390XADDconst {
 10269  			break
 10270  		}
 10271  		off2 := v_0.AuxInt
 10272  		ptr := v_0.Args[0]
 10273  		val := v.Args[1]
 10274  		mem := v.Args[2]
 10275  		if !(is32Bit(off1 + off2)) {
 10276  			break
 10277  		}
 10278  		v.reset(OpS390XMOVDstore)
 10279  		v.AuxInt = off1 + off2
 10280  		v.Aux = sym
 10281  		v.AddArg(ptr)
 10282  		v.AddArg(val)
 10283  		v.AddArg(mem)
 10284  		return true
 10285  	}
 10286  	// match: (MOVDstore [off] {sym} ptr (MOVDconst [c]) mem)
 10287  	// cond: validValAndOff(c,off) && int64(int16(c)) == c && ptr.Op != OpSB
 10288  	// result: (MOVDstoreconst [makeValAndOff(c,off)] {sym} ptr mem)
 10289  	for {
 10290  		off := v.AuxInt
 10291  		sym := v.Aux
 10292  		ptr := v.Args[0]
 10293  		v_1 := v.Args[1]
 10294  		if v_1.Op != OpS390XMOVDconst {
 10295  			break
 10296  		}
 10297  		c := v_1.AuxInt
 10298  		mem := v.Args[2]
 10299  		if !(validValAndOff(c, off) && int64(int16(c)) == c && ptr.Op != OpSB) {
 10300  			break
 10301  		}
 10302  		v.reset(OpS390XMOVDstoreconst)
 10303  		v.AuxInt = makeValAndOff(c, off)
 10304  		v.Aux = sym
 10305  		v.AddArg(ptr)
 10306  		v.AddArg(mem)
 10307  		return true
 10308  	}
 10309  	// match: (MOVDstore  [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
 10310  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 10311  	// result: (MOVDstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
 10312  	for {
 10313  		off1 := v.AuxInt
 10314  		sym1 := v.Aux
 10315  		v_0 := v.Args[0]
 10316  		if v_0.Op != OpS390XMOVDaddr {
 10317  			break
 10318  		}
 10319  		off2 := v_0.AuxInt
 10320  		sym2 := v_0.Aux
 10321  		base := v_0.Args[0]
 10322  		val := v.Args[1]
 10323  		mem := v.Args[2]
 10324  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 10325  			break
 10326  		}
 10327  		v.reset(OpS390XMOVDstore)
 10328  		v.AuxInt = off1 + off2
 10329  		v.Aux = mergeSym(sym1, sym2)
 10330  		v.AddArg(base)
 10331  		v.AddArg(val)
 10332  		v.AddArg(mem)
 10333  		return true
 10334  	}
 10335  	// match: (MOVDstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
 10336  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 10337  	// result: (MOVDstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
 10338  	for {
 10339  		off1 := v.AuxInt
 10340  		sym1 := v.Aux
 10341  		v_0 := v.Args[0]
 10342  		if v_0.Op != OpS390XMOVDaddridx {
 10343  			break
 10344  		}
 10345  		off2 := v_0.AuxInt
 10346  		sym2 := v_0.Aux
 10347  		ptr := v_0.Args[0]
 10348  		idx := v_0.Args[1]
 10349  		val := v.Args[1]
 10350  		mem := v.Args[2]
 10351  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 10352  			break
 10353  		}
 10354  		v.reset(OpS390XMOVDstoreidx)
 10355  		v.AuxInt = off1 + off2
 10356  		v.Aux = mergeSym(sym1, sym2)
 10357  		v.AddArg(ptr)
 10358  		v.AddArg(idx)
 10359  		v.AddArg(val)
 10360  		v.AddArg(mem)
 10361  		return true
 10362  	}
 10363  	// match: (MOVDstore [off] {sym} (ADD ptr idx) val mem)
 10364  	// cond: ptr.Op != OpSB
 10365  	// result: (MOVDstoreidx [off] {sym} ptr idx val mem)
 10366  	for {
 10367  		off := v.AuxInt
 10368  		sym := v.Aux
 10369  		v_0 := v.Args[0]
 10370  		if v_0.Op != OpS390XADD {
 10371  			break
 10372  		}
 10373  		ptr := v_0.Args[0]
 10374  		idx := v_0.Args[1]
 10375  		val := v.Args[1]
 10376  		mem := v.Args[2]
 10377  		if !(ptr.Op != OpSB) {
 10378  			break
 10379  		}
 10380  		v.reset(OpS390XMOVDstoreidx)
 10381  		v.AuxInt = off
 10382  		v.Aux = sym
 10383  		v.AddArg(ptr)
 10384  		v.AddArg(idx)
 10385  		v.AddArg(val)
 10386  		v.AddArg(mem)
 10387  		return true
 10388  	}
 10389  	// match: (MOVDstore [i] {s} p w1 x:(MOVDstore [i-8] {s} p w0 mem))
 10390  	// cond: p.Op != OpSB   && x.Uses == 1   && is20Bit(i-8)   && clobber(x)
 10391  	// result: (STMG2 [i-8] {s} p w0 w1 mem)
 10392  	for {
 10393  		i := v.AuxInt
 10394  		s := v.Aux
 10395  		p := v.Args[0]
 10396  		w1 := v.Args[1]
 10397  		x := v.Args[2]
 10398  		if x.Op != OpS390XMOVDstore {
 10399  			break
 10400  		}
 10401  		if x.AuxInt != i-8 {
 10402  			break
 10403  		}
 10404  		if x.Aux != s {
 10405  			break
 10406  		}
 10407  		if p != x.Args[0] {
 10408  			break
 10409  		}
 10410  		w0 := x.Args[1]
 10411  		mem := x.Args[2]
 10412  		if !(p.Op != OpSB && x.Uses == 1 && is20Bit(i-8) && clobber(x)) {
 10413  			break
 10414  		}
 10415  		v.reset(OpS390XSTMG2)
 10416  		v.AuxInt = i - 8
 10417  		v.Aux = s
 10418  		v.AddArg(p)
 10419  		v.AddArg(w0)
 10420  		v.AddArg(w1)
 10421  		v.AddArg(mem)
 10422  		return true
 10423  	}
 10424  	// match: (MOVDstore [i] {s} p w2 x:(STMG2 [i-16] {s} p w0 w1 mem))
 10425  	// cond: x.Uses == 1   && is20Bit(i-16)   && clobber(x)
 10426  	// result: (STMG3 [i-16] {s} p w0 w1 w2 mem)
 10427  	for {
 10428  		i := v.AuxInt
 10429  		s := v.Aux
 10430  		p := v.Args[0]
 10431  		w2 := v.Args[1]
 10432  		x := v.Args[2]
 10433  		if x.Op != OpS390XSTMG2 {
 10434  			break
 10435  		}
 10436  		if x.AuxInt != i-16 {
 10437  			break
 10438  		}
 10439  		if x.Aux != s {
 10440  			break
 10441  		}
 10442  		if p != x.Args[0] {
 10443  			break
 10444  		}
 10445  		w0 := x.Args[1]
 10446  		w1 := x.Args[2]
 10447  		mem := x.Args[3]
 10448  		if !(x.Uses == 1 && is20Bit(i-16) && clobber(x)) {
 10449  			break
 10450  		}
 10451  		v.reset(OpS390XSTMG3)
 10452  		v.AuxInt = i - 16
 10453  		v.Aux = s
 10454  		v.AddArg(p)
 10455  		v.AddArg(w0)
 10456  		v.AddArg(w1)
 10457  		v.AddArg(w2)
 10458  		v.AddArg(mem)
 10459  		return true
 10460  	}
 10461  	// match: (MOVDstore [i] {s} p w3 x:(STMG3 [i-24] {s} p w0 w1 w2 mem))
 10462  	// cond: x.Uses == 1   && is20Bit(i-24)   && clobber(x)
 10463  	// result: (STMG4 [i-24] {s} p w0 w1 w2 w3 mem)
 10464  	for {
 10465  		i := v.AuxInt
 10466  		s := v.Aux
 10467  		p := v.Args[0]
 10468  		w3 := v.Args[1]
 10469  		x := v.Args[2]
 10470  		if x.Op != OpS390XSTMG3 {
 10471  			break
 10472  		}
 10473  		if x.AuxInt != i-24 {
 10474  			break
 10475  		}
 10476  		if x.Aux != s {
 10477  			break
 10478  		}
 10479  		if p != x.Args[0] {
 10480  			break
 10481  		}
 10482  		w0 := x.Args[1]
 10483  		w1 := x.Args[2]
 10484  		w2 := x.Args[3]
 10485  		mem := x.Args[4]
 10486  		if !(x.Uses == 1 && is20Bit(i-24) && clobber(x)) {
 10487  			break
 10488  		}
 10489  		v.reset(OpS390XSTMG4)
 10490  		v.AuxInt = i - 24
 10491  		v.Aux = s
 10492  		v.AddArg(p)
 10493  		v.AddArg(w0)
 10494  		v.AddArg(w1)
 10495  		v.AddArg(w2)
 10496  		v.AddArg(w3)
 10497  		v.AddArg(mem)
 10498  		return true
 10499  	}
 10500  	return false
 10501  }
 10502  func rewriteValueS390X_OpS390XMOVDstoreconst(v *Value, config *Config) bool {
 10503  	b := v.Block
 10504  	_ = b
 10505  	// match: (MOVDstoreconst [sc] {s} (ADDconst [off] ptr) mem)
 10506  	// cond: ValAndOff(sc).canAdd(off)
 10507  	// result: (MOVDstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
 10508  	for {
 10509  		sc := v.AuxInt
 10510  		s := v.Aux
 10511  		v_0 := v.Args[0]
 10512  		if v_0.Op != OpS390XADDconst {
 10513  			break
 10514  		}
 10515  		off := v_0.AuxInt
 10516  		ptr := v_0.Args[0]
 10517  		mem := v.Args[1]
 10518  		if !(ValAndOff(sc).canAdd(off)) {
 10519  			break
 10520  		}
 10521  		v.reset(OpS390XMOVDstoreconst)
 10522  		v.AuxInt = ValAndOff(sc).add(off)
 10523  		v.Aux = s
 10524  		v.AddArg(ptr)
 10525  		v.AddArg(mem)
 10526  		return true
 10527  	}
 10528  	// match: (MOVDstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
 10529  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
 10530  	// result: (MOVDstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
 10531  	for {
 10532  		sc := v.AuxInt
 10533  		sym1 := v.Aux
 10534  		v_0 := v.Args[0]
 10535  		if v_0.Op != OpS390XMOVDaddr {
 10536  			break
 10537  		}
 10538  		off := v_0.AuxInt
 10539  		sym2 := v_0.Aux
 10540  		ptr := v_0.Args[0]
 10541  		mem := v.Args[1]
 10542  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
 10543  			break
 10544  		}
 10545  		v.reset(OpS390XMOVDstoreconst)
 10546  		v.AuxInt = ValAndOff(sc).add(off)
 10547  		v.Aux = mergeSym(sym1, sym2)
 10548  		v.AddArg(ptr)
 10549  		v.AddArg(mem)
 10550  		return true
 10551  	}
 10552  	return false
 10553  }
 10554  func rewriteValueS390X_OpS390XMOVDstoreidx(v *Value, config *Config) bool {
 10555  	b := v.Block
 10556  	_ = b
 10557  	// match: (MOVDstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
 10558  	// cond:
 10559  	// result: (MOVDstoreidx [c+d] {sym} ptr idx val mem)
 10560  	for {
 10561  		c := v.AuxInt
 10562  		sym := v.Aux
 10563  		v_0 := v.Args[0]
 10564  		if v_0.Op != OpS390XADDconst {
 10565  			break
 10566  		}
 10567  		d := v_0.AuxInt
 10568  		ptr := v_0.Args[0]
 10569  		idx := v.Args[1]
 10570  		val := v.Args[2]
 10571  		mem := v.Args[3]
 10572  		v.reset(OpS390XMOVDstoreidx)
 10573  		v.AuxInt = c + d
 10574  		v.Aux = sym
 10575  		v.AddArg(ptr)
 10576  		v.AddArg(idx)
 10577  		v.AddArg(val)
 10578  		v.AddArg(mem)
 10579  		return true
 10580  	}
 10581  	// match: (MOVDstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
 10582  	// cond:
 10583  	// result: (MOVDstoreidx [c+d] {sym} ptr idx val mem)
 10584  	for {
 10585  		c := v.AuxInt
 10586  		sym := v.Aux
 10587  		ptr := v.Args[0]
 10588  		v_1 := v.Args[1]
 10589  		if v_1.Op != OpS390XADDconst {
 10590  			break
 10591  		}
 10592  		d := v_1.AuxInt
 10593  		idx := v_1.Args[0]
 10594  		val := v.Args[2]
 10595  		mem := v.Args[3]
 10596  		v.reset(OpS390XMOVDstoreidx)
 10597  		v.AuxInt = c + d
 10598  		v.Aux = sym
 10599  		v.AddArg(ptr)
 10600  		v.AddArg(idx)
 10601  		v.AddArg(val)
 10602  		v.AddArg(mem)
 10603  		return true
 10604  	}
 10605  	return false
 10606  }
 10607  func rewriteValueS390X_OpS390XMOVHBRstore(v *Value, config *Config) bool {
 10608  	b := v.Block
 10609  	_ = b
 10610  	// match: (MOVHBRstore [i] {s} p (SRDconst [16] w) x:(MOVHBRstore [i-2] {s} p w mem))
 10611  	// cond: x.Uses == 1   && clobber(x)
 10612  	// result: (MOVWBRstore [i-2] {s} p w mem)
 10613  	for {
 10614  		i := v.AuxInt
 10615  		s := v.Aux
 10616  		p := v.Args[0]
 10617  		v_1 := v.Args[1]
 10618  		if v_1.Op != OpS390XSRDconst {
 10619  			break
 10620  		}
 10621  		if v_1.AuxInt != 16 {
 10622  			break
 10623  		}
 10624  		w := v_1.Args[0]
 10625  		x := v.Args[2]
 10626  		if x.Op != OpS390XMOVHBRstore {
 10627  			break
 10628  		}
 10629  		if x.AuxInt != i-2 {
 10630  			break
 10631  		}
 10632  		if x.Aux != s {
 10633  			break
 10634  		}
 10635  		if p != x.Args[0] {
 10636  			break
 10637  		}
 10638  		if w != x.Args[1] {
 10639  			break
 10640  		}
 10641  		mem := x.Args[2]
 10642  		if !(x.Uses == 1 && clobber(x)) {
 10643  			break
 10644  		}
 10645  		v.reset(OpS390XMOVWBRstore)
 10646  		v.AuxInt = i - 2
 10647  		v.Aux = s
 10648  		v.AddArg(p)
 10649  		v.AddArg(w)
 10650  		v.AddArg(mem)
 10651  		return true
 10652  	}
 10653  	// match: (MOVHBRstore [i] {s} p (SRDconst [j] w) x:(MOVHBRstore [i-2] {s} p w0:(SRDconst [j-16] w) mem))
 10654  	// cond: x.Uses == 1   && clobber(x)
 10655  	// result: (MOVWBRstore [i-2] {s} p w0 mem)
 10656  	for {
 10657  		i := v.AuxInt
 10658  		s := v.Aux
 10659  		p := v.Args[0]
 10660  		v_1 := v.Args[1]
 10661  		if v_1.Op != OpS390XSRDconst {
 10662  			break
 10663  		}
 10664  		j := v_1.AuxInt
 10665  		w := v_1.Args[0]
 10666  		x := v.Args[2]
 10667  		if x.Op != OpS390XMOVHBRstore {
 10668  			break
 10669  		}
 10670  		if x.AuxInt != i-2 {
 10671  			break
 10672  		}
 10673  		if x.Aux != s {
 10674  			break
 10675  		}
 10676  		if p != x.Args[0] {
 10677  			break
 10678  		}
 10679  		w0 := x.Args[1]
 10680  		if w0.Op != OpS390XSRDconst {
 10681  			break
 10682  		}
 10683  		if w0.AuxInt != j-16 {
 10684  			break
 10685  		}
 10686  		if w != w0.Args[0] {
 10687  			break
 10688  		}
 10689  		mem := x.Args[2]
 10690  		if !(x.Uses == 1 && clobber(x)) {
 10691  			break
 10692  		}
 10693  		v.reset(OpS390XMOVWBRstore)
 10694  		v.AuxInt = i - 2
 10695  		v.Aux = s
 10696  		v.AddArg(p)
 10697  		v.AddArg(w0)
 10698  		v.AddArg(mem)
 10699  		return true
 10700  	}
 10701  	// match: (MOVHBRstore [i] {s} p (SRWconst [16] w) x:(MOVHBRstore [i-2] {s} p w mem))
 10702  	// cond: x.Uses == 1   && clobber(x)
 10703  	// result: (MOVWBRstore [i-2] {s} p w mem)
 10704  	for {
 10705  		i := v.AuxInt
 10706  		s := v.Aux
 10707  		p := v.Args[0]
 10708  		v_1 := v.Args[1]
 10709  		if v_1.Op != OpS390XSRWconst {
 10710  			break
 10711  		}
 10712  		if v_1.AuxInt != 16 {
 10713  			break
 10714  		}
 10715  		w := v_1.Args[0]
 10716  		x := v.Args[2]
 10717  		if x.Op != OpS390XMOVHBRstore {
 10718  			break
 10719  		}
 10720  		if x.AuxInt != i-2 {
 10721  			break
 10722  		}
 10723  		if x.Aux != s {
 10724  			break
 10725  		}
 10726  		if p != x.Args[0] {
 10727  			break
 10728  		}
 10729  		if w != x.Args[1] {
 10730  			break
 10731  		}
 10732  		mem := x.Args[2]
 10733  		if !(x.Uses == 1 && clobber(x)) {
 10734  			break
 10735  		}
 10736  		v.reset(OpS390XMOVWBRstore)
 10737  		v.AuxInt = i - 2
 10738  		v.Aux = s
 10739  		v.AddArg(p)
 10740  		v.AddArg(w)
 10741  		v.AddArg(mem)
 10742  		return true
 10743  	}
 10744  	// match: (MOVHBRstore [i] {s} p (SRWconst [j] w) x:(MOVHBRstore [i-2] {s} p w0:(SRWconst [j-16] w) mem))
 10745  	// cond: x.Uses == 1   && clobber(x)
 10746  	// result: (MOVWBRstore [i-2] {s} p w0 mem)
 10747  	for {
 10748  		i := v.AuxInt
 10749  		s := v.Aux
 10750  		p := v.Args[0]
 10751  		v_1 := v.Args[1]
 10752  		if v_1.Op != OpS390XSRWconst {
 10753  			break
 10754  		}
 10755  		j := v_1.AuxInt
 10756  		w := v_1.Args[0]
 10757  		x := v.Args[2]
 10758  		if x.Op != OpS390XMOVHBRstore {
 10759  			break
 10760  		}
 10761  		if x.AuxInt != i-2 {
 10762  			break
 10763  		}
 10764  		if x.Aux != s {
 10765  			break
 10766  		}
 10767  		if p != x.Args[0] {
 10768  			break
 10769  		}
 10770  		w0 := x.Args[1]
 10771  		if w0.Op != OpS390XSRWconst {
 10772  			break
 10773  		}
 10774  		if w0.AuxInt != j-16 {
 10775  			break
 10776  		}
 10777  		if w != w0.Args[0] {
 10778  			break
 10779  		}
 10780  		mem := x.Args[2]
 10781  		if !(x.Uses == 1 && clobber(x)) {
 10782  			break
 10783  		}
 10784  		v.reset(OpS390XMOVWBRstore)
 10785  		v.AuxInt = i - 2
 10786  		v.Aux = s
 10787  		v.AddArg(p)
 10788  		v.AddArg(w0)
 10789  		v.AddArg(mem)
 10790  		return true
 10791  	}
 10792  	return false
 10793  }
 10794  func rewriteValueS390X_OpS390XMOVHBRstoreidx(v *Value, config *Config) bool {
 10795  	b := v.Block
 10796  	_ = b
 10797  	// match: (MOVHBRstoreidx [i] {s} p idx (SRDconst [16] w) x:(MOVHBRstoreidx [i-2] {s} p idx w mem))
 10798  	// cond: x.Uses == 1   && clobber(x)
 10799  	// result: (MOVWBRstoreidx [i-2] {s} p idx w mem)
 10800  	for {
 10801  		i := v.AuxInt
 10802  		s := v.Aux
 10803  		p := v.Args[0]
 10804  		idx := v.Args[1]
 10805  		v_2 := v.Args[2]
 10806  		if v_2.Op != OpS390XSRDconst {
 10807  			break
 10808  		}
 10809  		if v_2.AuxInt != 16 {
 10810  			break
 10811  		}
 10812  		w := v_2.Args[0]
 10813  		x := v.Args[3]
 10814  		if x.Op != OpS390XMOVHBRstoreidx {
 10815  			break
 10816  		}
 10817  		if x.AuxInt != i-2 {
 10818  			break
 10819  		}
 10820  		if x.Aux != s {
 10821  			break
 10822  		}
 10823  		if p != x.Args[0] {
 10824  			break
 10825  		}
 10826  		if idx != x.Args[1] {
 10827  			break
 10828  		}
 10829  		if w != x.Args[2] {
 10830  			break
 10831  		}
 10832  		mem := x.Args[3]
 10833  		if !(x.Uses == 1 && clobber(x)) {
 10834  			break
 10835  		}
 10836  		v.reset(OpS390XMOVWBRstoreidx)
 10837  		v.AuxInt = i - 2
 10838  		v.Aux = s
 10839  		v.AddArg(p)
 10840  		v.AddArg(idx)
 10841  		v.AddArg(w)
 10842  		v.AddArg(mem)
 10843  		return true
 10844  	}
 10845  	// match: (MOVHBRstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVHBRstoreidx [i-2] {s} p idx w0:(SRDconst [j-16] w) mem))
 10846  	// cond: x.Uses == 1   && clobber(x)
 10847  	// result: (MOVWBRstoreidx [i-2] {s} p idx w0 mem)
 10848  	for {
 10849  		i := v.AuxInt
 10850  		s := v.Aux
 10851  		p := v.Args[0]
 10852  		idx := v.Args[1]
 10853  		v_2 := v.Args[2]
 10854  		if v_2.Op != OpS390XSRDconst {
 10855  			break
 10856  		}
 10857  		j := v_2.AuxInt
 10858  		w := v_2.Args[0]
 10859  		x := v.Args[3]
 10860  		if x.Op != OpS390XMOVHBRstoreidx {
 10861  			break
 10862  		}
 10863  		if x.AuxInt != i-2 {
 10864  			break
 10865  		}
 10866  		if x.Aux != s {
 10867  			break
 10868  		}
 10869  		if p != x.Args[0] {
 10870  			break
 10871  		}
 10872  		if idx != x.Args[1] {
 10873  			break
 10874  		}
 10875  		w0 := x.Args[2]
 10876  		if w0.Op != OpS390XSRDconst {
 10877  			break
 10878  		}
 10879  		if w0.AuxInt != j-16 {
 10880  			break
 10881  		}
 10882  		if w != w0.Args[0] {
 10883  			break
 10884  		}
 10885  		mem := x.Args[3]
 10886  		if !(x.Uses == 1 && clobber(x)) {
 10887  			break
 10888  		}
 10889  		v.reset(OpS390XMOVWBRstoreidx)
 10890  		v.AuxInt = i - 2
 10891  		v.Aux = s
 10892  		v.AddArg(p)
 10893  		v.AddArg(idx)
 10894  		v.AddArg(w0)
 10895  		v.AddArg(mem)
 10896  		return true
 10897  	}
 10898  	// match: (MOVHBRstoreidx [i] {s} p idx (SRWconst [16] w) x:(MOVHBRstoreidx [i-2] {s} p idx w mem))
 10899  	// cond: x.Uses == 1   && clobber(x)
 10900  	// result: (MOVWBRstoreidx [i-2] {s} p idx w mem)
 10901  	for {
 10902  		i := v.AuxInt
 10903  		s := v.Aux
 10904  		p := v.Args[0]
 10905  		idx := v.Args[1]
 10906  		v_2 := v.Args[2]
 10907  		if v_2.Op != OpS390XSRWconst {
 10908  			break
 10909  		}
 10910  		if v_2.AuxInt != 16 {
 10911  			break
 10912  		}
 10913  		w := v_2.Args[0]
 10914  		x := v.Args[3]
 10915  		if x.Op != OpS390XMOVHBRstoreidx {
 10916  			break
 10917  		}
 10918  		if x.AuxInt != i-2 {
 10919  			break
 10920  		}
 10921  		if x.Aux != s {
 10922  			break
 10923  		}
 10924  		if p != x.Args[0] {
 10925  			break
 10926  		}
 10927  		if idx != x.Args[1] {
 10928  			break
 10929  		}
 10930  		if w != x.Args[2] {
 10931  			break
 10932  		}
 10933  		mem := x.Args[3]
 10934  		if !(x.Uses == 1 && clobber(x)) {
 10935  			break
 10936  		}
 10937  		v.reset(OpS390XMOVWBRstoreidx)
 10938  		v.AuxInt = i - 2
 10939  		v.Aux = s
 10940  		v.AddArg(p)
 10941  		v.AddArg(idx)
 10942  		v.AddArg(w)
 10943  		v.AddArg(mem)
 10944  		return true
 10945  	}
 10946  	// match: (MOVHBRstoreidx [i] {s} p idx (SRWconst [j] w) x:(MOVHBRstoreidx [i-2] {s} p idx w0:(SRWconst [j-16] w) mem))
 10947  	// cond: x.Uses == 1   && clobber(x)
 10948  	// result: (MOVWBRstoreidx [i-2] {s} p idx w0 mem)
 10949  	for {
 10950  		i := v.AuxInt
 10951  		s := v.Aux
 10952  		p := v.Args[0]
 10953  		idx := v.Args[1]
 10954  		v_2 := v.Args[2]
 10955  		if v_2.Op != OpS390XSRWconst {
 10956  			break
 10957  		}
 10958  		j := v_2.AuxInt
 10959  		w := v_2.Args[0]
 10960  		x := v.Args[3]
 10961  		if x.Op != OpS390XMOVHBRstoreidx {
 10962  			break
 10963  		}
 10964  		if x.AuxInt != i-2 {
 10965  			break
 10966  		}
 10967  		if x.Aux != s {
 10968  			break
 10969  		}
 10970  		if p != x.Args[0] {
 10971  			break
 10972  		}
 10973  		if idx != x.Args[1] {
 10974  			break
 10975  		}
 10976  		w0 := x.Args[2]
 10977  		if w0.Op != OpS390XSRWconst {
 10978  			break
 10979  		}
 10980  		if w0.AuxInt != j-16 {
 10981  			break
 10982  		}
 10983  		if w != w0.Args[0] {
 10984  			break
 10985  		}
 10986  		mem := x.Args[3]
 10987  		if !(x.Uses == 1 && clobber(x)) {
 10988  			break
 10989  		}
 10990  		v.reset(OpS390XMOVWBRstoreidx)
 10991  		v.AuxInt = i - 2
 10992  		v.Aux = s
 10993  		v.AddArg(p)
 10994  		v.AddArg(idx)
 10995  		v.AddArg(w0)
 10996  		v.AddArg(mem)
 10997  		return true
 10998  	}
 10999  	return false
 11000  }
 11001  func rewriteValueS390X_OpS390XMOVHZload(v *Value, config *Config) bool {
 11002  	b := v.Block
 11003  	_ = b
 11004  	// match: (MOVHZload [off] {sym} ptr (MOVHstore [off2] {sym2} ptr2 x _))
 11005  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 11006  	// result: x
 11007  	for {
 11008  		off := v.AuxInt
 11009  		sym := v.Aux
 11010  		ptr := v.Args[0]
 11011  		v_1 := v.Args[1]
 11012  		if v_1.Op != OpS390XMOVHstore {
 11013  			break
 11014  		}
 11015  		off2 := v_1.AuxInt
 11016  		sym2 := v_1.Aux
 11017  		ptr2 := v_1.Args[0]
 11018  		x := v_1.Args[1]
 11019  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 11020  			break
 11021  		}
 11022  		v.reset(OpCopy)
 11023  		v.Type = x.Type
 11024  		v.AddArg(x)
 11025  		return true
 11026  	}
 11027  	// match: (MOVHZload  [off1] {sym} (ADDconst [off2] ptr) mem)
 11028  	// cond: is32Bit(off1+off2)
 11029  	// result: (MOVHZload  [off1+off2] {sym} ptr mem)
 11030  	for {
 11031  		off1 := v.AuxInt
 11032  		sym := v.Aux
 11033  		v_0 := v.Args[0]
 11034  		if v_0.Op != OpS390XADDconst {
 11035  			break
 11036  		}
 11037  		off2 := v_0.AuxInt
 11038  		ptr := v_0.Args[0]
 11039  		mem := v.Args[1]
 11040  		if !(is32Bit(off1 + off2)) {
 11041  			break
 11042  		}
 11043  		v.reset(OpS390XMOVHZload)
 11044  		v.AuxInt = off1 + off2
 11045  		v.Aux = sym
 11046  		v.AddArg(ptr)
 11047  		v.AddArg(mem)
 11048  		return true
 11049  	}
 11050  	// match: (MOVHZload  [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 11051  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11052  	// result: (MOVHZload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
 11053  	for {
 11054  		off1 := v.AuxInt
 11055  		sym1 := v.Aux
 11056  		v_0 := v.Args[0]
 11057  		if v_0.Op != OpS390XMOVDaddr {
 11058  			break
 11059  		}
 11060  		off2 := v_0.AuxInt
 11061  		sym2 := v_0.Aux
 11062  		base := v_0.Args[0]
 11063  		mem := v.Args[1]
 11064  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11065  			break
 11066  		}
 11067  		v.reset(OpS390XMOVHZload)
 11068  		v.AuxInt = off1 + off2
 11069  		v.Aux = mergeSym(sym1, sym2)
 11070  		v.AddArg(base)
 11071  		v.AddArg(mem)
 11072  		return true
 11073  	}
 11074  	// match: (MOVHZload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
 11075  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11076  	// result: (MOVHZloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
 11077  	for {
 11078  		off1 := v.AuxInt
 11079  		sym1 := v.Aux
 11080  		v_0 := v.Args[0]
 11081  		if v_0.Op != OpS390XMOVDaddridx {
 11082  			break
 11083  		}
 11084  		off2 := v_0.AuxInt
 11085  		sym2 := v_0.Aux
 11086  		ptr := v_0.Args[0]
 11087  		idx := v_0.Args[1]
 11088  		mem := v.Args[1]
 11089  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11090  			break
 11091  		}
 11092  		v.reset(OpS390XMOVHZloadidx)
 11093  		v.AuxInt = off1 + off2
 11094  		v.Aux = mergeSym(sym1, sym2)
 11095  		v.AddArg(ptr)
 11096  		v.AddArg(idx)
 11097  		v.AddArg(mem)
 11098  		return true
 11099  	}
 11100  	// match: (MOVHZload [off] {sym} (ADD ptr idx) mem)
 11101  	// cond: ptr.Op != OpSB
 11102  	// result: (MOVHZloadidx [off] {sym} ptr idx mem)
 11103  	for {
 11104  		off := v.AuxInt
 11105  		sym := v.Aux
 11106  		v_0 := v.Args[0]
 11107  		if v_0.Op != OpS390XADD {
 11108  			break
 11109  		}
 11110  		ptr := v_0.Args[0]
 11111  		idx := v_0.Args[1]
 11112  		mem := v.Args[1]
 11113  		if !(ptr.Op != OpSB) {
 11114  			break
 11115  		}
 11116  		v.reset(OpS390XMOVHZloadidx)
 11117  		v.AuxInt = off
 11118  		v.Aux = sym
 11119  		v.AddArg(ptr)
 11120  		v.AddArg(idx)
 11121  		v.AddArg(mem)
 11122  		return true
 11123  	}
 11124  	return false
 11125  }
 11126  func rewriteValueS390X_OpS390XMOVHZloadidx(v *Value, config *Config) bool {
 11127  	b := v.Block
 11128  	_ = b
 11129  	// match: (MOVHZloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
 11130  	// cond:
 11131  	// result: (MOVHZloadidx [c+d] {sym} ptr idx mem)
 11132  	for {
 11133  		c := v.AuxInt
 11134  		sym := v.Aux
 11135  		v_0 := v.Args[0]
 11136  		if v_0.Op != OpS390XADDconst {
 11137  			break
 11138  		}
 11139  		d := v_0.AuxInt
 11140  		ptr := v_0.Args[0]
 11141  		idx := v.Args[1]
 11142  		mem := v.Args[2]
 11143  		v.reset(OpS390XMOVHZloadidx)
 11144  		v.AuxInt = c + d
 11145  		v.Aux = sym
 11146  		v.AddArg(ptr)
 11147  		v.AddArg(idx)
 11148  		v.AddArg(mem)
 11149  		return true
 11150  	}
 11151  	// match: (MOVHZloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
 11152  	// cond:
 11153  	// result: (MOVHZloadidx [c+d] {sym} ptr idx mem)
 11154  	for {
 11155  		c := v.AuxInt
 11156  		sym := v.Aux
 11157  		ptr := v.Args[0]
 11158  		v_1 := v.Args[1]
 11159  		if v_1.Op != OpS390XADDconst {
 11160  			break
 11161  		}
 11162  		d := v_1.AuxInt
 11163  		idx := v_1.Args[0]
 11164  		mem := v.Args[2]
 11165  		v.reset(OpS390XMOVHZloadidx)
 11166  		v.AuxInt = c + d
 11167  		v.Aux = sym
 11168  		v.AddArg(ptr)
 11169  		v.AddArg(idx)
 11170  		v.AddArg(mem)
 11171  		return true
 11172  	}
 11173  	return false
 11174  }
 11175  func rewriteValueS390X_OpS390XMOVHZreg(v *Value, config *Config) bool {
 11176  	b := v.Block
 11177  	_ = b
 11178  	// match: (MOVHZreg x:(MOVBZload _ _))
 11179  	// cond:
 11180  	// result: x
 11181  	for {
 11182  		x := v.Args[0]
 11183  		if x.Op != OpS390XMOVBZload {
 11184  			break
 11185  		}
 11186  		v.reset(OpCopy)
 11187  		v.Type = x.Type
 11188  		v.AddArg(x)
 11189  		return true
 11190  	}
 11191  	// match: (MOVHZreg x:(MOVHZload _ _))
 11192  	// cond:
 11193  	// result: x
 11194  	for {
 11195  		x := v.Args[0]
 11196  		if x.Op != OpS390XMOVHZload {
 11197  			break
 11198  		}
 11199  		v.reset(OpCopy)
 11200  		v.Type = x.Type
 11201  		v.AddArg(x)
 11202  		return true
 11203  	}
 11204  	// match: (MOVHZreg x:(Arg <t>))
 11205  	// cond: (is8BitInt(t) || is16BitInt(t)) && !isSigned(t)
 11206  	// result: x
 11207  	for {
 11208  		x := v.Args[0]
 11209  		if x.Op != OpArg {
 11210  			break
 11211  		}
 11212  		t := x.Type
 11213  		if !((is8BitInt(t) || is16BitInt(t)) && !isSigned(t)) {
 11214  			break
 11215  		}
 11216  		v.reset(OpCopy)
 11217  		v.Type = x.Type
 11218  		v.AddArg(x)
 11219  		return true
 11220  	}
 11221  	// match: (MOVHZreg x:(MOVBZreg _))
 11222  	// cond:
 11223  	// result: x
 11224  	for {
 11225  		x := v.Args[0]
 11226  		if x.Op != OpS390XMOVBZreg {
 11227  			break
 11228  		}
 11229  		v.reset(OpCopy)
 11230  		v.Type = x.Type
 11231  		v.AddArg(x)
 11232  		return true
 11233  	}
 11234  	// match: (MOVHZreg x:(MOVHZreg _))
 11235  	// cond:
 11236  	// result: x
 11237  	for {
 11238  		x := v.Args[0]
 11239  		if x.Op != OpS390XMOVHZreg {
 11240  			break
 11241  		}
 11242  		v.reset(OpCopy)
 11243  		v.Type = x.Type
 11244  		v.AddArg(x)
 11245  		return true
 11246  	}
 11247  	// match: (MOVHZreg (MOVDconst [c]))
 11248  	// cond:
 11249  	// result: (MOVDconst [int64(uint16(c))])
 11250  	for {
 11251  		v_0 := v.Args[0]
 11252  		if v_0.Op != OpS390XMOVDconst {
 11253  			break
 11254  		}
 11255  		c := v_0.AuxInt
 11256  		v.reset(OpS390XMOVDconst)
 11257  		v.AuxInt = int64(uint16(c))
 11258  		return true
 11259  	}
 11260  	// match: (MOVHZreg x:(MOVHZload [off] {sym} ptr mem))
 11261  	// cond: x.Uses == 1 && clobber(x)
 11262  	// result: @x.Block (MOVHZload <v.Type> [off] {sym} ptr mem)
 11263  	for {
 11264  		x := v.Args[0]
 11265  		if x.Op != OpS390XMOVHZload {
 11266  			break
 11267  		}
 11268  		off := x.AuxInt
 11269  		sym := x.Aux
 11270  		ptr := x.Args[0]
 11271  		mem := x.Args[1]
 11272  		if !(x.Uses == 1 && clobber(x)) {
 11273  			break
 11274  		}
 11275  		b = x.Block
 11276  		v0 := b.NewValue0(v.Line, OpS390XMOVHZload, v.Type)
 11277  		v.reset(OpCopy)
 11278  		v.AddArg(v0)
 11279  		v0.AuxInt = off
 11280  		v0.Aux = sym
 11281  		v0.AddArg(ptr)
 11282  		v0.AddArg(mem)
 11283  		return true
 11284  	}
 11285  	// match: (MOVHZreg x:(MOVHZloadidx [off] {sym} ptr idx mem))
 11286  	// cond: x.Uses == 1 && clobber(x)
 11287  	// result: @x.Block (MOVHZloadidx <v.Type> [off] {sym} ptr idx mem)
 11288  	for {
 11289  		x := v.Args[0]
 11290  		if x.Op != OpS390XMOVHZloadidx {
 11291  			break
 11292  		}
 11293  		off := x.AuxInt
 11294  		sym := x.Aux
 11295  		ptr := x.Args[0]
 11296  		idx := x.Args[1]
 11297  		mem := x.Args[2]
 11298  		if !(x.Uses == 1 && clobber(x)) {
 11299  			break
 11300  		}
 11301  		b = x.Block
 11302  		v0 := b.NewValue0(v.Line, OpS390XMOVHZloadidx, v.Type)
 11303  		v.reset(OpCopy)
 11304  		v.AddArg(v0)
 11305  		v0.AuxInt = off
 11306  		v0.Aux = sym
 11307  		v0.AddArg(ptr)
 11308  		v0.AddArg(idx)
 11309  		v0.AddArg(mem)
 11310  		return true
 11311  	}
 11312  	return false
 11313  }
 11314  func rewriteValueS390X_OpS390XMOVHload(v *Value, config *Config) bool {
 11315  	b := v.Block
 11316  	_ = b
 11317  	// match: (MOVHload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 11318  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11319  	// result: (MOVHload [off1+off2] {mergeSym(sym1,sym2)} base mem)
 11320  	for {
 11321  		off1 := v.AuxInt
 11322  		sym1 := v.Aux
 11323  		v_0 := v.Args[0]
 11324  		if v_0.Op != OpS390XMOVDaddr {
 11325  			break
 11326  		}
 11327  		off2 := v_0.AuxInt
 11328  		sym2 := v_0.Aux
 11329  		base := v_0.Args[0]
 11330  		mem := v.Args[1]
 11331  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11332  			break
 11333  		}
 11334  		v.reset(OpS390XMOVHload)
 11335  		v.AuxInt = off1 + off2
 11336  		v.Aux = mergeSym(sym1, sym2)
 11337  		v.AddArg(base)
 11338  		v.AddArg(mem)
 11339  		return true
 11340  	}
 11341  	return false
 11342  }
 11343  func rewriteValueS390X_OpS390XMOVHreg(v *Value, config *Config) bool {
 11344  	b := v.Block
 11345  	_ = b
 11346  	// match: (MOVHreg x:(MOVBload _ _))
 11347  	// cond:
 11348  	// result: x
 11349  	for {
 11350  		x := v.Args[0]
 11351  		if x.Op != OpS390XMOVBload {
 11352  			break
 11353  		}
 11354  		v.reset(OpCopy)
 11355  		v.Type = x.Type
 11356  		v.AddArg(x)
 11357  		return true
 11358  	}
 11359  	// match: (MOVHreg x:(MOVBZload _ _))
 11360  	// cond:
 11361  	// result: x
 11362  	for {
 11363  		x := v.Args[0]
 11364  		if x.Op != OpS390XMOVBZload {
 11365  			break
 11366  		}
 11367  		v.reset(OpCopy)
 11368  		v.Type = x.Type
 11369  		v.AddArg(x)
 11370  		return true
 11371  	}
 11372  	// match: (MOVHreg x:(MOVHload _ _))
 11373  	// cond:
 11374  	// result: x
 11375  	for {
 11376  		x := v.Args[0]
 11377  		if x.Op != OpS390XMOVHload {
 11378  			break
 11379  		}
 11380  		v.reset(OpCopy)
 11381  		v.Type = x.Type
 11382  		v.AddArg(x)
 11383  		return true
 11384  	}
 11385  	// match: (MOVHreg x:(Arg <t>))
 11386  	// cond: (is8BitInt(t) || is16BitInt(t)) && isSigned(t)
 11387  	// result: x
 11388  	for {
 11389  		x := v.Args[0]
 11390  		if x.Op != OpArg {
 11391  			break
 11392  		}
 11393  		t := x.Type
 11394  		if !((is8BitInt(t) || is16BitInt(t)) && isSigned(t)) {
 11395  			break
 11396  		}
 11397  		v.reset(OpCopy)
 11398  		v.Type = x.Type
 11399  		v.AddArg(x)
 11400  		return true
 11401  	}
 11402  	// match: (MOVHreg x:(MOVBreg _))
 11403  	// cond:
 11404  	// result: x
 11405  	for {
 11406  		x := v.Args[0]
 11407  		if x.Op != OpS390XMOVBreg {
 11408  			break
 11409  		}
 11410  		v.reset(OpCopy)
 11411  		v.Type = x.Type
 11412  		v.AddArg(x)
 11413  		return true
 11414  	}
 11415  	// match: (MOVHreg x:(MOVBZreg _))
 11416  	// cond:
 11417  	// result: x
 11418  	for {
 11419  		x := v.Args[0]
 11420  		if x.Op != OpS390XMOVBZreg {
 11421  			break
 11422  		}
 11423  		v.reset(OpCopy)
 11424  		v.Type = x.Type
 11425  		v.AddArg(x)
 11426  		return true
 11427  	}
 11428  	// match: (MOVHreg x:(MOVHreg _))
 11429  	// cond:
 11430  	// result: x
 11431  	for {
 11432  		x := v.Args[0]
 11433  		if x.Op != OpS390XMOVHreg {
 11434  			break
 11435  		}
 11436  		v.reset(OpCopy)
 11437  		v.Type = x.Type
 11438  		v.AddArg(x)
 11439  		return true
 11440  	}
 11441  	// match: (MOVHreg (MOVDconst [c]))
 11442  	// cond:
 11443  	// result: (MOVDconst [int64(int16(c))])
 11444  	for {
 11445  		v_0 := v.Args[0]
 11446  		if v_0.Op != OpS390XMOVDconst {
 11447  			break
 11448  		}
 11449  		c := v_0.AuxInt
 11450  		v.reset(OpS390XMOVDconst)
 11451  		v.AuxInt = int64(int16(c))
 11452  		return true
 11453  	}
 11454  	// match: (MOVHreg x:(MOVHZload [off] {sym} ptr mem))
 11455  	// cond: x.Uses == 1 && clobber(x)
 11456  	// result: @x.Block (MOVHload <v.Type> [off] {sym} ptr mem)
 11457  	for {
 11458  		x := v.Args[0]
 11459  		if x.Op != OpS390XMOVHZload {
 11460  			break
 11461  		}
 11462  		off := x.AuxInt
 11463  		sym := x.Aux
 11464  		ptr := x.Args[0]
 11465  		mem := x.Args[1]
 11466  		if !(x.Uses == 1 && clobber(x)) {
 11467  			break
 11468  		}
 11469  		b = x.Block
 11470  		v0 := b.NewValue0(v.Line, OpS390XMOVHload, v.Type)
 11471  		v.reset(OpCopy)
 11472  		v.AddArg(v0)
 11473  		v0.AuxInt = off
 11474  		v0.Aux = sym
 11475  		v0.AddArg(ptr)
 11476  		v0.AddArg(mem)
 11477  		return true
 11478  	}
 11479  	return false
 11480  }
 11481  func rewriteValueS390X_OpS390XMOVHstore(v *Value, config *Config) bool {
 11482  	b := v.Block
 11483  	_ = b
 11484  	// match: (MOVHstore [off] {sym} ptr (MOVHreg x) mem)
 11485  	// cond:
 11486  	// result: (MOVHstore [off] {sym} ptr x mem)
 11487  	for {
 11488  		off := v.AuxInt
 11489  		sym := v.Aux
 11490  		ptr := v.Args[0]
 11491  		v_1 := v.Args[1]
 11492  		if v_1.Op != OpS390XMOVHreg {
 11493  			break
 11494  		}
 11495  		x := v_1.Args[0]
 11496  		mem := v.Args[2]
 11497  		v.reset(OpS390XMOVHstore)
 11498  		v.AuxInt = off
 11499  		v.Aux = sym
 11500  		v.AddArg(ptr)
 11501  		v.AddArg(x)
 11502  		v.AddArg(mem)
 11503  		return true
 11504  	}
 11505  	// match: (MOVHstore [off] {sym} ptr (MOVHZreg x) mem)
 11506  	// cond:
 11507  	// result: (MOVHstore [off] {sym} ptr x mem)
 11508  	for {
 11509  		off := v.AuxInt
 11510  		sym := v.Aux
 11511  		ptr := v.Args[0]
 11512  		v_1 := v.Args[1]
 11513  		if v_1.Op != OpS390XMOVHZreg {
 11514  			break
 11515  		}
 11516  		x := v_1.Args[0]
 11517  		mem := v.Args[2]
 11518  		v.reset(OpS390XMOVHstore)
 11519  		v.AuxInt = off
 11520  		v.Aux = sym
 11521  		v.AddArg(ptr)
 11522  		v.AddArg(x)
 11523  		v.AddArg(mem)
 11524  		return true
 11525  	}
 11526  	// match: (MOVHstore  [off1] {sym} (ADDconst [off2] ptr) val mem)
 11527  	// cond: is32Bit(off1+off2)
 11528  	// result: (MOVHstore  [off1+off2] {sym} ptr val mem)
 11529  	for {
 11530  		off1 := v.AuxInt
 11531  		sym := v.Aux
 11532  		v_0 := v.Args[0]
 11533  		if v_0.Op != OpS390XADDconst {
 11534  			break
 11535  		}
 11536  		off2 := v_0.AuxInt
 11537  		ptr := v_0.Args[0]
 11538  		val := v.Args[1]
 11539  		mem := v.Args[2]
 11540  		if !(is32Bit(off1 + off2)) {
 11541  			break
 11542  		}
 11543  		v.reset(OpS390XMOVHstore)
 11544  		v.AuxInt = off1 + off2
 11545  		v.Aux = sym
 11546  		v.AddArg(ptr)
 11547  		v.AddArg(val)
 11548  		v.AddArg(mem)
 11549  		return true
 11550  	}
 11551  	// match: (MOVHstore [off] {sym} ptr (MOVDconst [c]) mem)
 11552  	// cond: validOff(off) && ptr.Op != OpSB
 11553  	// result: (MOVHstoreconst [makeValAndOff(int64(int16(c)),off)] {sym} ptr mem)
 11554  	for {
 11555  		off := v.AuxInt
 11556  		sym := v.Aux
 11557  		ptr := v.Args[0]
 11558  		v_1 := v.Args[1]
 11559  		if v_1.Op != OpS390XMOVDconst {
 11560  			break
 11561  		}
 11562  		c := v_1.AuxInt
 11563  		mem := v.Args[2]
 11564  		if !(validOff(off) && ptr.Op != OpSB) {
 11565  			break
 11566  		}
 11567  		v.reset(OpS390XMOVHstoreconst)
 11568  		v.AuxInt = makeValAndOff(int64(int16(c)), off)
 11569  		v.Aux = sym
 11570  		v.AddArg(ptr)
 11571  		v.AddArg(mem)
 11572  		return true
 11573  	}
 11574  	// match: (MOVHstore  [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
 11575  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11576  	// result: (MOVHstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
 11577  	for {
 11578  		off1 := v.AuxInt
 11579  		sym1 := v.Aux
 11580  		v_0 := v.Args[0]
 11581  		if v_0.Op != OpS390XMOVDaddr {
 11582  			break
 11583  		}
 11584  		off2 := v_0.AuxInt
 11585  		sym2 := v_0.Aux
 11586  		base := v_0.Args[0]
 11587  		val := v.Args[1]
 11588  		mem := v.Args[2]
 11589  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11590  			break
 11591  		}
 11592  		v.reset(OpS390XMOVHstore)
 11593  		v.AuxInt = off1 + off2
 11594  		v.Aux = mergeSym(sym1, sym2)
 11595  		v.AddArg(base)
 11596  		v.AddArg(val)
 11597  		v.AddArg(mem)
 11598  		return true
 11599  	}
 11600  	// match: (MOVHstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
 11601  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11602  	// result: (MOVHstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
 11603  	for {
 11604  		off1 := v.AuxInt
 11605  		sym1 := v.Aux
 11606  		v_0 := v.Args[0]
 11607  		if v_0.Op != OpS390XMOVDaddridx {
 11608  			break
 11609  		}
 11610  		off2 := v_0.AuxInt
 11611  		sym2 := v_0.Aux
 11612  		ptr := v_0.Args[0]
 11613  		idx := v_0.Args[1]
 11614  		val := v.Args[1]
 11615  		mem := v.Args[2]
 11616  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11617  			break
 11618  		}
 11619  		v.reset(OpS390XMOVHstoreidx)
 11620  		v.AuxInt = off1 + off2
 11621  		v.Aux = mergeSym(sym1, sym2)
 11622  		v.AddArg(ptr)
 11623  		v.AddArg(idx)
 11624  		v.AddArg(val)
 11625  		v.AddArg(mem)
 11626  		return true
 11627  	}
 11628  	// match: (MOVHstore [off] {sym} (ADD ptr idx) val mem)
 11629  	// cond: ptr.Op != OpSB
 11630  	// result: (MOVHstoreidx [off] {sym} ptr idx val mem)
 11631  	for {
 11632  		off := v.AuxInt
 11633  		sym := v.Aux
 11634  		v_0 := v.Args[0]
 11635  		if v_0.Op != OpS390XADD {
 11636  			break
 11637  		}
 11638  		ptr := v_0.Args[0]
 11639  		idx := v_0.Args[1]
 11640  		val := v.Args[1]
 11641  		mem := v.Args[2]
 11642  		if !(ptr.Op != OpSB) {
 11643  			break
 11644  		}
 11645  		v.reset(OpS390XMOVHstoreidx)
 11646  		v.AuxInt = off
 11647  		v.Aux = sym
 11648  		v.AddArg(ptr)
 11649  		v.AddArg(idx)
 11650  		v.AddArg(val)
 11651  		v.AddArg(mem)
 11652  		return true
 11653  	}
 11654  	// match: (MOVHstore [i] {s} p w x:(MOVHstore [i-2] {s} p (SRDconst [16] w) mem))
 11655  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 11656  	// result: (MOVWstore [i-2] {s} p w mem)
 11657  	for {
 11658  		i := v.AuxInt
 11659  		s := v.Aux
 11660  		p := v.Args[0]
 11661  		w := v.Args[1]
 11662  		x := v.Args[2]
 11663  		if x.Op != OpS390XMOVHstore {
 11664  			break
 11665  		}
 11666  		if x.AuxInt != i-2 {
 11667  			break
 11668  		}
 11669  		if x.Aux != s {
 11670  			break
 11671  		}
 11672  		if p != x.Args[0] {
 11673  			break
 11674  		}
 11675  		x_1 := x.Args[1]
 11676  		if x_1.Op != OpS390XSRDconst {
 11677  			break
 11678  		}
 11679  		if x_1.AuxInt != 16 {
 11680  			break
 11681  		}
 11682  		if w != x_1.Args[0] {
 11683  			break
 11684  		}
 11685  		mem := x.Args[2]
 11686  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 11687  			break
 11688  		}
 11689  		v.reset(OpS390XMOVWstore)
 11690  		v.AuxInt = i - 2
 11691  		v.Aux = s
 11692  		v.AddArg(p)
 11693  		v.AddArg(w)
 11694  		v.AddArg(mem)
 11695  		return true
 11696  	}
 11697  	// match: (MOVHstore [i] {s} p w0:(SRDconst [j] w) x:(MOVHstore [i-2] {s} p (SRDconst [j+16] w) mem))
 11698  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 11699  	// result: (MOVWstore [i-2] {s} p w0 mem)
 11700  	for {
 11701  		i := v.AuxInt
 11702  		s := v.Aux
 11703  		p := v.Args[0]
 11704  		w0 := v.Args[1]
 11705  		if w0.Op != OpS390XSRDconst {
 11706  			break
 11707  		}
 11708  		j := w0.AuxInt
 11709  		w := w0.Args[0]
 11710  		x := v.Args[2]
 11711  		if x.Op != OpS390XMOVHstore {
 11712  			break
 11713  		}
 11714  		if x.AuxInt != i-2 {
 11715  			break
 11716  		}
 11717  		if x.Aux != s {
 11718  			break
 11719  		}
 11720  		if p != x.Args[0] {
 11721  			break
 11722  		}
 11723  		x_1 := x.Args[1]
 11724  		if x_1.Op != OpS390XSRDconst {
 11725  			break
 11726  		}
 11727  		if x_1.AuxInt != j+16 {
 11728  			break
 11729  		}
 11730  		if w != x_1.Args[0] {
 11731  			break
 11732  		}
 11733  		mem := x.Args[2]
 11734  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 11735  			break
 11736  		}
 11737  		v.reset(OpS390XMOVWstore)
 11738  		v.AuxInt = i - 2
 11739  		v.Aux = s
 11740  		v.AddArg(p)
 11741  		v.AddArg(w0)
 11742  		v.AddArg(mem)
 11743  		return true
 11744  	}
 11745  	// match: (MOVHstore [i] {s} p w x:(MOVHstore [i-2] {s} p (SRWconst [16] w) mem))
 11746  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 11747  	// result: (MOVWstore [i-2] {s} p w mem)
 11748  	for {
 11749  		i := v.AuxInt
 11750  		s := v.Aux
 11751  		p := v.Args[0]
 11752  		w := v.Args[1]
 11753  		x := v.Args[2]
 11754  		if x.Op != OpS390XMOVHstore {
 11755  			break
 11756  		}
 11757  		if x.AuxInt != i-2 {
 11758  			break
 11759  		}
 11760  		if x.Aux != s {
 11761  			break
 11762  		}
 11763  		if p != x.Args[0] {
 11764  			break
 11765  		}
 11766  		x_1 := x.Args[1]
 11767  		if x_1.Op != OpS390XSRWconst {
 11768  			break
 11769  		}
 11770  		if x_1.AuxInt != 16 {
 11771  			break
 11772  		}
 11773  		if w != x_1.Args[0] {
 11774  			break
 11775  		}
 11776  		mem := x.Args[2]
 11777  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 11778  			break
 11779  		}
 11780  		v.reset(OpS390XMOVWstore)
 11781  		v.AuxInt = i - 2
 11782  		v.Aux = s
 11783  		v.AddArg(p)
 11784  		v.AddArg(w)
 11785  		v.AddArg(mem)
 11786  		return true
 11787  	}
 11788  	// match: (MOVHstore [i] {s} p w0:(SRWconst [j] w) x:(MOVHstore [i-2] {s} p (SRWconst [j+16] w) mem))
 11789  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 11790  	// result: (MOVWstore [i-2] {s} p w0 mem)
 11791  	for {
 11792  		i := v.AuxInt
 11793  		s := v.Aux
 11794  		p := v.Args[0]
 11795  		w0 := v.Args[1]
 11796  		if w0.Op != OpS390XSRWconst {
 11797  			break
 11798  		}
 11799  		j := w0.AuxInt
 11800  		w := w0.Args[0]
 11801  		x := v.Args[2]
 11802  		if x.Op != OpS390XMOVHstore {
 11803  			break
 11804  		}
 11805  		if x.AuxInt != i-2 {
 11806  			break
 11807  		}
 11808  		if x.Aux != s {
 11809  			break
 11810  		}
 11811  		if p != x.Args[0] {
 11812  			break
 11813  		}
 11814  		x_1 := x.Args[1]
 11815  		if x_1.Op != OpS390XSRWconst {
 11816  			break
 11817  		}
 11818  		if x_1.AuxInt != j+16 {
 11819  			break
 11820  		}
 11821  		if w != x_1.Args[0] {
 11822  			break
 11823  		}
 11824  		mem := x.Args[2]
 11825  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 11826  			break
 11827  		}
 11828  		v.reset(OpS390XMOVWstore)
 11829  		v.AuxInt = i - 2
 11830  		v.Aux = s
 11831  		v.AddArg(p)
 11832  		v.AddArg(w0)
 11833  		v.AddArg(mem)
 11834  		return true
 11835  	}
 11836  	return false
 11837  }
 11838  func rewriteValueS390X_OpS390XMOVHstoreconst(v *Value, config *Config) bool {
 11839  	b := v.Block
 11840  	_ = b
 11841  	// match: (MOVHstoreconst [sc] {s} (ADDconst [off] ptr) mem)
 11842  	// cond: ValAndOff(sc).canAdd(off)
 11843  	// result: (MOVHstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
 11844  	for {
 11845  		sc := v.AuxInt
 11846  		s := v.Aux
 11847  		v_0 := v.Args[0]
 11848  		if v_0.Op != OpS390XADDconst {
 11849  			break
 11850  		}
 11851  		off := v_0.AuxInt
 11852  		ptr := v_0.Args[0]
 11853  		mem := v.Args[1]
 11854  		if !(ValAndOff(sc).canAdd(off)) {
 11855  			break
 11856  		}
 11857  		v.reset(OpS390XMOVHstoreconst)
 11858  		v.AuxInt = ValAndOff(sc).add(off)
 11859  		v.Aux = s
 11860  		v.AddArg(ptr)
 11861  		v.AddArg(mem)
 11862  		return true
 11863  	}
 11864  	// match: (MOVHstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
 11865  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
 11866  	// result: (MOVHstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
 11867  	for {
 11868  		sc := v.AuxInt
 11869  		sym1 := v.Aux
 11870  		v_0 := v.Args[0]
 11871  		if v_0.Op != OpS390XMOVDaddr {
 11872  			break
 11873  		}
 11874  		off := v_0.AuxInt
 11875  		sym2 := v_0.Aux
 11876  		ptr := v_0.Args[0]
 11877  		mem := v.Args[1]
 11878  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
 11879  			break
 11880  		}
 11881  		v.reset(OpS390XMOVHstoreconst)
 11882  		v.AuxInt = ValAndOff(sc).add(off)
 11883  		v.Aux = mergeSym(sym1, sym2)
 11884  		v.AddArg(ptr)
 11885  		v.AddArg(mem)
 11886  		return true
 11887  	}
 11888  	// match: (MOVHstoreconst [c] {s} p x:(MOVHstoreconst [a] {s} p mem))
 11889  	// cond: p.Op != OpSB   && x.Uses == 1   && ValAndOff(a).Off() + 2 == ValAndOff(c).Off()   && clobber(x)
 11890  	// result: (MOVWstoreconst [makeValAndOff(ValAndOff(c).Val()&0xffff | ValAndOff(a).Val()<<16, ValAndOff(a).Off())] {s} p mem)
 11891  	for {
 11892  		c := v.AuxInt
 11893  		s := v.Aux
 11894  		p := v.Args[0]
 11895  		x := v.Args[1]
 11896  		if x.Op != OpS390XMOVHstoreconst {
 11897  			break
 11898  		}
 11899  		a := x.AuxInt
 11900  		if x.Aux != s {
 11901  			break
 11902  		}
 11903  		if p != x.Args[0] {
 11904  			break
 11905  		}
 11906  		mem := x.Args[1]
 11907  		if !(p.Op != OpSB && x.Uses == 1 && ValAndOff(a).Off()+2 == ValAndOff(c).Off() && clobber(x)) {
 11908  			break
 11909  		}
 11910  		v.reset(OpS390XMOVWstoreconst)
 11911  		v.AuxInt = makeValAndOff(ValAndOff(c).Val()&0xffff|ValAndOff(a).Val()<<16, ValAndOff(a).Off())
 11912  		v.Aux = s
 11913  		v.AddArg(p)
 11914  		v.AddArg(mem)
 11915  		return true
 11916  	}
 11917  	return false
 11918  }
 11919  func rewriteValueS390X_OpS390XMOVHstoreidx(v *Value, config *Config) bool {
 11920  	b := v.Block
 11921  	_ = b
 11922  	// match: (MOVHstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
 11923  	// cond:
 11924  	// result: (MOVHstoreidx [c+d] {sym} ptr idx val mem)
 11925  	for {
 11926  		c := v.AuxInt
 11927  		sym := v.Aux
 11928  		v_0 := v.Args[0]
 11929  		if v_0.Op != OpS390XADDconst {
 11930  			break
 11931  		}
 11932  		d := v_0.AuxInt
 11933  		ptr := v_0.Args[0]
 11934  		idx := v.Args[1]
 11935  		val := v.Args[2]
 11936  		mem := v.Args[3]
 11937  		v.reset(OpS390XMOVHstoreidx)
 11938  		v.AuxInt = c + d
 11939  		v.Aux = sym
 11940  		v.AddArg(ptr)
 11941  		v.AddArg(idx)
 11942  		v.AddArg(val)
 11943  		v.AddArg(mem)
 11944  		return true
 11945  	}
 11946  	// match: (MOVHstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
 11947  	// cond:
 11948  	// result: (MOVHstoreidx [c+d] {sym} ptr idx val mem)
 11949  	for {
 11950  		c := v.AuxInt
 11951  		sym := v.Aux
 11952  		ptr := v.Args[0]
 11953  		v_1 := v.Args[1]
 11954  		if v_1.Op != OpS390XADDconst {
 11955  			break
 11956  		}
 11957  		d := v_1.AuxInt
 11958  		idx := v_1.Args[0]
 11959  		val := v.Args[2]
 11960  		mem := v.Args[3]
 11961  		v.reset(OpS390XMOVHstoreidx)
 11962  		v.AuxInt = c + d
 11963  		v.Aux = sym
 11964  		v.AddArg(ptr)
 11965  		v.AddArg(idx)
 11966  		v.AddArg(val)
 11967  		v.AddArg(mem)
 11968  		return true
 11969  	}
 11970  	// match: (MOVHstoreidx [i] {s} p idx w x:(MOVHstoreidx [i-2] {s} p idx (SRDconst [16] w) mem))
 11971  	// cond: x.Uses == 1   && clobber(x)
 11972  	// result: (MOVWstoreidx [i-2] {s} p idx w mem)
 11973  	for {
 11974  		i := v.AuxInt
 11975  		s := v.Aux
 11976  		p := v.Args[0]
 11977  		idx := v.Args[1]
 11978  		w := v.Args[2]
 11979  		x := v.Args[3]
 11980  		if x.Op != OpS390XMOVHstoreidx {
 11981  			break
 11982  		}
 11983  		if x.AuxInt != i-2 {
 11984  			break
 11985  		}
 11986  		if x.Aux != s {
 11987  			break
 11988  		}
 11989  		if p != x.Args[0] {
 11990  			break
 11991  		}
 11992  		if idx != x.Args[1] {
 11993  			break
 11994  		}
 11995  		x_2 := x.Args[2]
 11996  		if x_2.Op != OpS390XSRDconst {
 11997  			break
 11998  		}
 11999  		if x_2.AuxInt != 16 {
 12000  			break
 12001  		}
 12002  		if w != x_2.Args[0] {
 12003  			break
 12004  		}
 12005  		mem := x.Args[3]
 12006  		if !(x.Uses == 1 && clobber(x)) {
 12007  			break
 12008  		}
 12009  		v.reset(OpS390XMOVWstoreidx)
 12010  		v.AuxInt = i - 2
 12011  		v.Aux = s
 12012  		v.AddArg(p)
 12013  		v.AddArg(idx)
 12014  		v.AddArg(w)
 12015  		v.AddArg(mem)
 12016  		return true
 12017  	}
 12018  	// match: (MOVHstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVHstoreidx [i-2] {s} p idx (SRDconst [j+16] w) mem))
 12019  	// cond: x.Uses == 1   && clobber(x)
 12020  	// result: (MOVWstoreidx [i-2] {s} p idx w0 mem)
 12021  	for {
 12022  		i := v.AuxInt
 12023  		s := v.Aux
 12024  		p := v.Args[0]
 12025  		idx := v.Args[1]
 12026  		w0 := v.Args[2]
 12027  		if w0.Op != OpS390XSRDconst {
 12028  			break
 12029  		}
 12030  		j := w0.AuxInt
 12031  		w := w0.Args[0]
 12032  		x := v.Args[3]
 12033  		if x.Op != OpS390XMOVHstoreidx {
 12034  			break
 12035  		}
 12036  		if x.AuxInt != i-2 {
 12037  			break
 12038  		}
 12039  		if x.Aux != s {
 12040  			break
 12041  		}
 12042  		if p != x.Args[0] {
 12043  			break
 12044  		}
 12045  		if idx != x.Args[1] {
 12046  			break
 12047  		}
 12048  		x_2 := x.Args[2]
 12049  		if x_2.Op != OpS390XSRDconst {
 12050  			break
 12051  		}
 12052  		if x_2.AuxInt != j+16 {
 12053  			break
 12054  		}
 12055  		if w != x_2.Args[0] {
 12056  			break
 12057  		}
 12058  		mem := x.Args[3]
 12059  		if !(x.Uses == 1 && clobber(x)) {
 12060  			break
 12061  		}
 12062  		v.reset(OpS390XMOVWstoreidx)
 12063  		v.AuxInt = i - 2
 12064  		v.Aux = s
 12065  		v.AddArg(p)
 12066  		v.AddArg(idx)
 12067  		v.AddArg(w0)
 12068  		v.AddArg(mem)
 12069  		return true
 12070  	}
 12071  	// match: (MOVHstoreidx [i] {s} p idx w x:(MOVHstoreidx [i-2] {s} p idx (SRWconst [16] w) mem))
 12072  	// cond: x.Uses == 1   && clobber(x)
 12073  	// result: (MOVWstoreidx [i-2] {s} p idx w mem)
 12074  	for {
 12075  		i := v.AuxInt
 12076  		s := v.Aux
 12077  		p := v.Args[0]
 12078  		idx := v.Args[1]
 12079  		w := v.Args[2]
 12080  		x := v.Args[3]
 12081  		if x.Op != OpS390XMOVHstoreidx {
 12082  			break
 12083  		}
 12084  		if x.AuxInt != i-2 {
 12085  			break
 12086  		}
 12087  		if x.Aux != s {
 12088  			break
 12089  		}
 12090  		if p != x.Args[0] {
 12091  			break
 12092  		}
 12093  		if idx != x.Args[1] {
 12094  			break
 12095  		}
 12096  		x_2 := x.Args[2]
 12097  		if x_2.Op != OpS390XSRWconst {
 12098  			break
 12099  		}
 12100  		if x_2.AuxInt != 16 {
 12101  			break
 12102  		}
 12103  		if w != x_2.Args[0] {
 12104  			break
 12105  		}
 12106  		mem := x.Args[3]
 12107  		if !(x.Uses == 1 && clobber(x)) {
 12108  			break
 12109  		}
 12110  		v.reset(OpS390XMOVWstoreidx)
 12111  		v.AuxInt = i - 2
 12112  		v.Aux = s
 12113  		v.AddArg(p)
 12114  		v.AddArg(idx)
 12115  		v.AddArg(w)
 12116  		v.AddArg(mem)
 12117  		return true
 12118  	}
 12119  	// match: (MOVHstoreidx [i] {s} p idx w0:(SRWconst [j] w) x:(MOVHstoreidx [i-2] {s} p idx (SRWconst [j+16] w) mem))
 12120  	// cond: x.Uses == 1   && clobber(x)
 12121  	// result: (MOVWstoreidx [i-2] {s} p idx w0 mem)
 12122  	for {
 12123  		i := v.AuxInt
 12124  		s := v.Aux
 12125  		p := v.Args[0]
 12126  		idx := v.Args[1]
 12127  		w0 := v.Args[2]
 12128  		if w0.Op != OpS390XSRWconst {
 12129  			break
 12130  		}
 12131  		j := w0.AuxInt
 12132  		w := w0.Args[0]
 12133  		x := v.Args[3]
 12134  		if x.Op != OpS390XMOVHstoreidx {
 12135  			break
 12136  		}
 12137  		if x.AuxInt != i-2 {
 12138  			break
 12139  		}
 12140  		if x.Aux != s {
 12141  			break
 12142  		}
 12143  		if p != x.Args[0] {
 12144  			break
 12145  		}
 12146  		if idx != x.Args[1] {
 12147  			break
 12148  		}
 12149  		x_2 := x.Args[2]
 12150  		if x_2.Op != OpS390XSRWconst {
 12151  			break
 12152  		}
 12153  		if x_2.AuxInt != j+16 {
 12154  			break
 12155  		}
 12156  		if w != x_2.Args[0] {
 12157  			break
 12158  		}
 12159  		mem := x.Args[3]
 12160  		if !(x.Uses == 1 && clobber(x)) {
 12161  			break
 12162  		}
 12163  		v.reset(OpS390XMOVWstoreidx)
 12164  		v.AuxInt = i - 2
 12165  		v.Aux = s
 12166  		v.AddArg(p)
 12167  		v.AddArg(idx)
 12168  		v.AddArg(w0)
 12169  		v.AddArg(mem)
 12170  		return true
 12171  	}
 12172  	return false
 12173  }
 12174  func rewriteValueS390X_OpS390XMOVWBRstore(v *Value, config *Config) bool {
 12175  	b := v.Block
 12176  	_ = b
 12177  	// match: (MOVWBRstore [i] {s} p (SRDconst [32] w) x:(MOVWBRstore [i-4] {s} p w mem))
 12178  	// cond: x.Uses == 1   && clobber(x)
 12179  	// result: (MOVDBRstore [i-4] {s} p w mem)
 12180  	for {
 12181  		i := v.AuxInt
 12182  		s := v.Aux
 12183  		p := v.Args[0]
 12184  		v_1 := v.Args[1]
 12185  		if v_1.Op != OpS390XSRDconst {
 12186  			break
 12187  		}
 12188  		if v_1.AuxInt != 32 {
 12189  			break
 12190  		}
 12191  		w := v_1.Args[0]
 12192  		x := v.Args[2]
 12193  		if x.Op != OpS390XMOVWBRstore {
 12194  			break
 12195  		}
 12196  		if x.AuxInt != i-4 {
 12197  			break
 12198  		}
 12199  		if x.Aux != s {
 12200  			break
 12201  		}
 12202  		if p != x.Args[0] {
 12203  			break
 12204  		}
 12205  		if w != x.Args[1] {
 12206  			break
 12207  		}
 12208  		mem := x.Args[2]
 12209  		if !(x.Uses == 1 && clobber(x)) {
 12210  			break
 12211  		}
 12212  		v.reset(OpS390XMOVDBRstore)
 12213  		v.AuxInt = i - 4
 12214  		v.Aux = s
 12215  		v.AddArg(p)
 12216  		v.AddArg(w)
 12217  		v.AddArg(mem)
 12218  		return true
 12219  	}
 12220  	// match: (MOVWBRstore [i] {s} p (SRDconst [j] w) x:(MOVWBRstore [i-4] {s} p w0:(SRDconst [j-32] w) mem))
 12221  	// cond: x.Uses == 1   && clobber(x)
 12222  	// result: (MOVDBRstore [i-4] {s} p w0 mem)
 12223  	for {
 12224  		i := v.AuxInt
 12225  		s := v.Aux
 12226  		p := v.Args[0]
 12227  		v_1 := v.Args[1]
 12228  		if v_1.Op != OpS390XSRDconst {
 12229  			break
 12230  		}
 12231  		j := v_1.AuxInt
 12232  		w := v_1.Args[0]
 12233  		x := v.Args[2]
 12234  		if x.Op != OpS390XMOVWBRstore {
 12235  			break
 12236  		}
 12237  		if x.AuxInt != i-4 {
 12238  			break
 12239  		}
 12240  		if x.Aux != s {
 12241  			break
 12242  		}
 12243  		if p != x.Args[0] {
 12244  			break
 12245  		}
 12246  		w0 := x.Args[1]
 12247  		if w0.Op != OpS390XSRDconst {
 12248  			break
 12249  		}
 12250  		if w0.AuxInt != j-32 {
 12251  			break
 12252  		}
 12253  		if w != w0.Args[0] {
 12254  			break
 12255  		}
 12256  		mem := x.Args[2]
 12257  		if !(x.Uses == 1 && clobber(x)) {
 12258  			break
 12259  		}
 12260  		v.reset(OpS390XMOVDBRstore)
 12261  		v.AuxInt = i - 4
 12262  		v.Aux = s
 12263  		v.AddArg(p)
 12264  		v.AddArg(w0)
 12265  		v.AddArg(mem)
 12266  		return true
 12267  	}
 12268  	return false
 12269  }
 12270  func rewriteValueS390X_OpS390XMOVWBRstoreidx(v *Value, config *Config) bool {
 12271  	b := v.Block
 12272  	_ = b
 12273  	// match: (MOVWBRstoreidx [i] {s} p idx (SRDconst [32] w) x:(MOVWBRstoreidx [i-4] {s} p idx w mem))
 12274  	// cond: x.Uses == 1   && clobber(x)
 12275  	// result: (MOVDBRstoreidx [i-4] {s} p idx w mem)
 12276  	for {
 12277  		i := v.AuxInt
 12278  		s := v.Aux
 12279  		p := v.Args[0]
 12280  		idx := v.Args[1]
 12281  		v_2 := v.Args[2]
 12282  		if v_2.Op != OpS390XSRDconst {
 12283  			break
 12284  		}
 12285  		if v_2.AuxInt != 32 {
 12286  			break
 12287  		}
 12288  		w := v_2.Args[0]
 12289  		x := v.Args[3]
 12290  		if x.Op != OpS390XMOVWBRstoreidx {
 12291  			break
 12292  		}
 12293  		if x.AuxInt != i-4 {
 12294  			break
 12295  		}
 12296  		if x.Aux != s {
 12297  			break
 12298  		}
 12299  		if p != x.Args[0] {
 12300  			break
 12301  		}
 12302  		if idx != x.Args[1] {
 12303  			break
 12304  		}
 12305  		if w != x.Args[2] {
 12306  			break
 12307  		}
 12308  		mem := x.Args[3]
 12309  		if !(x.Uses == 1 && clobber(x)) {
 12310  			break
 12311  		}
 12312  		v.reset(OpS390XMOVDBRstoreidx)
 12313  		v.AuxInt = i - 4
 12314  		v.Aux = s
 12315  		v.AddArg(p)
 12316  		v.AddArg(idx)
 12317  		v.AddArg(w)
 12318  		v.AddArg(mem)
 12319  		return true
 12320  	}
 12321  	// match: (MOVWBRstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVWBRstoreidx [i-4] {s} p idx w0:(SRDconst [j-32] w) mem))
 12322  	// cond: x.Uses == 1   && clobber(x)
 12323  	// result: (MOVDBRstoreidx [i-4] {s} p idx w0 mem)
 12324  	for {
 12325  		i := v.AuxInt
 12326  		s := v.Aux
 12327  		p := v.Args[0]
 12328  		idx := v.Args[1]
 12329  		v_2 := v.Args[2]
 12330  		if v_2.Op != OpS390XSRDconst {
 12331  			break
 12332  		}
 12333  		j := v_2.AuxInt
 12334  		w := v_2.Args[0]
 12335  		x := v.Args[3]
 12336  		if x.Op != OpS390XMOVWBRstoreidx {
 12337  			break
 12338  		}
 12339  		if x.AuxInt != i-4 {
 12340  			break
 12341  		}
 12342  		if x.Aux != s {
 12343  			break
 12344  		}
 12345  		if p != x.Args[0] {
 12346  			break
 12347  		}
 12348  		if idx != x.Args[1] {
 12349  			break
 12350  		}
 12351  		w0 := x.Args[2]
 12352  		if w0.Op != OpS390XSRDconst {
 12353  			break
 12354  		}
 12355  		if w0.AuxInt != j-32 {
 12356  			break
 12357  		}
 12358  		if w != w0.Args[0] {
 12359  			break
 12360  		}
 12361  		mem := x.Args[3]
 12362  		if !(x.Uses == 1 && clobber(x)) {
 12363  			break
 12364  		}
 12365  		v.reset(OpS390XMOVDBRstoreidx)
 12366  		v.AuxInt = i - 4
 12367  		v.Aux = s
 12368  		v.AddArg(p)
 12369  		v.AddArg(idx)
 12370  		v.AddArg(w0)
 12371  		v.AddArg(mem)
 12372  		return true
 12373  	}
 12374  	return false
 12375  }
 12376  func rewriteValueS390X_OpS390XMOVWZload(v *Value, config *Config) bool {
 12377  	b := v.Block
 12378  	_ = b
 12379  	// match: (MOVWZload [off] {sym} ptr (MOVWstore [off2] {sym2} ptr2 x _))
 12380  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 12381  	// result: x
 12382  	for {
 12383  		off := v.AuxInt
 12384  		sym := v.Aux
 12385  		ptr := v.Args[0]
 12386  		v_1 := v.Args[1]
 12387  		if v_1.Op != OpS390XMOVWstore {
 12388  			break
 12389  		}
 12390  		off2 := v_1.AuxInt
 12391  		sym2 := v_1.Aux
 12392  		ptr2 := v_1.Args[0]
 12393  		x := v_1.Args[1]
 12394  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 12395  			break
 12396  		}
 12397  		v.reset(OpCopy)
 12398  		v.Type = x.Type
 12399  		v.AddArg(x)
 12400  		return true
 12401  	}
 12402  	// match: (MOVWZload  [off1] {sym} (ADDconst [off2] ptr) mem)
 12403  	// cond: is32Bit(off1+off2)
 12404  	// result: (MOVWZload  [off1+off2] {sym} ptr mem)
 12405  	for {
 12406  		off1 := v.AuxInt
 12407  		sym := v.Aux
 12408  		v_0 := v.Args[0]
 12409  		if v_0.Op != OpS390XADDconst {
 12410  			break
 12411  		}
 12412  		off2 := v_0.AuxInt
 12413  		ptr := v_0.Args[0]
 12414  		mem := v.Args[1]
 12415  		if !(is32Bit(off1 + off2)) {
 12416  			break
 12417  		}
 12418  		v.reset(OpS390XMOVWZload)
 12419  		v.AuxInt = off1 + off2
 12420  		v.Aux = sym
 12421  		v.AddArg(ptr)
 12422  		v.AddArg(mem)
 12423  		return true
 12424  	}
 12425  	// match: (MOVWZload  [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 12426  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 12427  	// result: (MOVWZload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
 12428  	for {
 12429  		off1 := v.AuxInt
 12430  		sym1 := v.Aux
 12431  		v_0 := v.Args[0]
 12432  		if v_0.Op != OpS390XMOVDaddr {
 12433  			break
 12434  		}
 12435  		off2 := v_0.AuxInt
 12436  		sym2 := v_0.Aux
 12437  		base := v_0.Args[0]
 12438  		mem := v.Args[1]
 12439  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 12440  			break
 12441  		}
 12442  		v.reset(OpS390XMOVWZload)
 12443  		v.AuxInt = off1 + off2
 12444  		v.Aux = mergeSym(sym1, sym2)
 12445  		v.AddArg(base)
 12446  		v.AddArg(mem)
 12447  		return true
 12448  	}
 12449  	// match: (MOVWZload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
 12450  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 12451  	// result: (MOVWZloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
 12452  	for {
 12453  		off1 := v.AuxInt
 12454  		sym1 := v.Aux
 12455  		v_0 := v.Args[0]
 12456  		if v_0.Op != OpS390XMOVDaddridx {
 12457  			break
 12458  		}
 12459  		off2 := v_0.AuxInt
 12460  		sym2 := v_0.Aux
 12461  		ptr := v_0.Args[0]
 12462  		idx := v_0.Args[1]
 12463  		mem := v.Args[1]
 12464  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 12465  			break
 12466  		}
 12467  		v.reset(OpS390XMOVWZloadidx)
 12468  		v.AuxInt = off1 + off2
 12469  		v.Aux = mergeSym(sym1, sym2)
 12470  		v.AddArg(ptr)
 12471  		v.AddArg(idx)
 12472  		v.AddArg(mem)
 12473  		return true
 12474  	}
 12475  	// match: (MOVWZload [off] {sym} (ADD ptr idx) mem)
 12476  	// cond: ptr.Op != OpSB
 12477  	// result: (MOVWZloadidx [off] {sym} ptr idx mem)
 12478  	for {
 12479  		off := v.AuxInt
 12480  		sym := v.Aux
 12481  		v_0 := v.Args[0]
 12482  		if v_0.Op != OpS390XADD {
 12483  			break
 12484  		}
 12485  		ptr := v_0.Args[0]
 12486  		idx := v_0.Args[1]
 12487  		mem := v.Args[1]
 12488  		if !(ptr.Op != OpSB) {
 12489  			break
 12490  		}
 12491  		v.reset(OpS390XMOVWZloadidx)
 12492  		v.AuxInt = off
 12493  		v.Aux = sym
 12494  		v.AddArg(ptr)
 12495  		v.AddArg(idx)
 12496  		v.AddArg(mem)
 12497  		return true
 12498  	}
 12499  	return false
 12500  }
 12501  func rewriteValueS390X_OpS390XMOVWZloadidx(v *Value, config *Config) bool {
 12502  	b := v.Block
 12503  	_ = b
 12504  	// match: (MOVWZloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
 12505  	// cond:
 12506  	// result: (MOVWZloadidx [c+d] {sym} ptr idx mem)
 12507  	for {
 12508  		c := v.AuxInt
 12509  		sym := v.Aux
 12510  		v_0 := v.Args[0]
 12511  		if v_0.Op != OpS390XADDconst {
 12512  			break
 12513  		}
 12514  		d := v_0.AuxInt
 12515  		ptr := v_0.Args[0]
 12516  		idx := v.Args[1]
 12517  		mem := v.Args[2]
 12518  		v.reset(OpS390XMOVWZloadidx)
 12519  		v.AuxInt = c + d
 12520  		v.Aux = sym
 12521  		v.AddArg(ptr)
 12522  		v.AddArg(idx)
 12523  		v.AddArg(mem)
 12524  		return true
 12525  	}
 12526  	// match: (MOVWZloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
 12527  	// cond:
 12528  	// result: (MOVWZloadidx [c+d] {sym} ptr idx mem)
 12529  	for {
 12530  		c := v.AuxInt
 12531  		sym := v.Aux
 12532  		ptr := v.Args[0]
 12533  		v_1 := v.Args[1]
 12534  		if v_1.Op != OpS390XADDconst {
 12535  			break
 12536  		}
 12537  		d := v_1.AuxInt
 12538  		idx := v_1.Args[0]
 12539  		mem := v.Args[2]
 12540  		v.reset(OpS390XMOVWZloadidx)
 12541  		v.AuxInt = c + d
 12542  		v.Aux = sym
 12543  		v.AddArg(ptr)
 12544  		v.AddArg(idx)
 12545  		v.AddArg(mem)
 12546  		return true
 12547  	}
 12548  	return false
 12549  }
 12550  func rewriteValueS390X_OpS390XMOVWZreg(v *Value, config *Config) bool {
 12551  	b := v.Block
 12552  	_ = b
 12553  	// match: (MOVWZreg x:(MOVBZload _ _))
 12554  	// cond:
 12555  	// result: x
 12556  	for {
 12557  		x := v.Args[0]
 12558  		if x.Op != OpS390XMOVBZload {
 12559  			break
 12560  		}
 12561  		v.reset(OpCopy)
 12562  		v.Type = x.Type
 12563  		v.AddArg(x)
 12564  		return true
 12565  	}
 12566  	// match: (MOVWZreg x:(MOVHZload _ _))
 12567  	// cond:
 12568  	// result: x
 12569  	for {
 12570  		x := v.Args[0]
 12571  		if x.Op != OpS390XMOVHZload {
 12572  			break
 12573  		}
 12574  		v.reset(OpCopy)
 12575  		v.Type = x.Type
 12576  		v.AddArg(x)
 12577  		return true
 12578  	}
 12579  	// match: (MOVWZreg x:(MOVWZload _ _))
 12580  	// cond:
 12581  	// result: x
 12582  	for {
 12583  		x := v.Args[0]
 12584  		if x.Op != OpS390XMOVWZload {
 12585  			break
 12586  		}
 12587  		v.reset(OpCopy)
 12588  		v.Type = x.Type
 12589  		v.AddArg(x)
 12590  		return true
 12591  	}
 12592  	// match: (MOVWZreg x:(Arg <t>))
 12593  	// cond: (is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && !isSigned(t)
 12594  	// result: x
 12595  	for {
 12596  		x := v.Args[0]
 12597  		if x.Op != OpArg {
 12598  			break
 12599  		}
 12600  		t := x.Type
 12601  		if !((is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && !isSigned(t)) {
 12602  			break
 12603  		}
 12604  		v.reset(OpCopy)
 12605  		v.Type = x.Type
 12606  		v.AddArg(x)
 12607  		return true
 12608  	}
 12609  	// match: (MOVWZreg x:(MOVBZreg _))
 12610  	// cond:
 12611  	// result: x
 12612  	for {
 12613  		x := v.Args[0]
 12614  		if x.Op != OpS390XMOVBZreg {
 12615  			break
 12616  		}
 12617  		v.reset(OpCopy)
 12618  		v.Type = x.Type
 12619  		v.AddArg(x)
 12620  		return true
 12621  	}
 12622  	// match: (MOVWZreg x:(MOVHZreg _))
 12623  	// cond:
 12624  	// result: x
 12625  	for {
 12626  		x := v.Args[0]
 12627  		if x.Op != OpS390XMOVHZreg {
 12628  			break
 12629  		}
 12630  		v.reset(OpCopy)
 12631  		v.Type = x.Type
 12632  		v.AddArg(x)
 12633  		return true
 12634  	}
 12635  	// match: (MOVWZreg x:(MOVWZreg _))
 12636  	// cond:
 12637  	// result: x
 12638  	for {
 12639  		x := v.Args[0]
 12640  		if x.Op != OpS390XMOVWZreg {
 12641  			break
 12642  		}
 12643  		v.reset(OpCopy)
 12644  		v.Type = x.Type
 12645  		v.AddArg(x)
 12646  		return true
 12647  	}
 12648  	// match: (MOVWZreg (MOVDconst [c]))
 12649  	// cond:
 12650  	// result: (MOVDconst [int64(uint32(c))])
 12651  	for {
 12652  		v_0 := v.Args[0]
 12653  		if v_0.Op != OpS390XMOVDconst {
 12654  			break
 12655  		}
 12656  		c := v_0.AuxInt
 12657  		v.reset(OpS390XMOVDconst)
 12658  		v.AuxInt = int64(uint32(c))
 12659  		return true
 12660  	}
 12661  	// match: (MOVWZreg x:(MOVWZload [off] {sym} ptr mem))
 12662  	// cond: x.Uses == 1 && clobber(x)
 12663  	// result: @x.Block (MOVWZload <v.Type> [off] {sym} ptr mem)
 12664  	for {
 12665  		x := v.Args[0]
 12666  		if x.Op != OpS390XMOVWZload {
 12667  			break
 12668  		}
 12669  		off := x.AuxInt
 12670  		sym := x.Aux
 12671  		ptr := x.Args[0]
 12672  		mem := x.Args[1]
 12673  		if !(x.Uses == 1 && clobber(x)) {
 12674  			break
 12675  		}
 12676  		b = x.Block
 12677  		v0 := b.NewValue0(v.Line, OpS390XMOVWZload, v.Type)
 12678  		v.reset(OpCopy)
 12679  		v.AddArg(v0)
 12680  		v0.AuxInt = off
 12681  		v0.Aux = sym
 12682  		v0.AddArg(ptr)
 12683  		v0.AddArg(mem)
 12684  		return true
 12685  	}
 12686  	// match: (MOVWZreg x:(MOVWZloadidx [off] {sym} ptr idx mem))
 12687  	// cond: x.Uses == 1 && clobber(x)
 12688  	// result: @x.Block (MOVWZloadidx <v.Type> [off] {sym} ptr idx mem)
 12689  	for {
 12690  		x := v.Args[0]
 12691  		if x.Op != OpS390XMOVWZloadidx {
 12692  			break
 12693  		}
 12694  		off := x.AuxInt
 12695  		sym := x.Aux
 12696  		ptr := x.Args[0]
 12697  		idx := x.Args[1]
 12698  		mem := x.Args[2]
 12699  		if !(x.Uses == 1 && clobber(x)) {
 12700  			break
 12701  		}
 12702  		b = x.Block
 12703  		v0 := b.NewValue0(v.Line, OpS390XMOVWZloadidx, v.Type)
 12704  		v.reset(OpCopy)
 12705  		v.AddArg(v0)
 12706  		v0.AuxInt = off
 12707  		v0.Aux = sym
 12708  		v0.AddArg(ptr)
 12709  		v0.AddArg(idx)
 12710  		v0.AddArg(mem)
 12711  		return true
 12712  	}
 12713  	return false
 12714  }
 12715  func rewriteValueS390X_OpS390XMOVWload(v *Value, config *Config) bool {
 12716  	b := v.Block
 12717  	_ = b
 12718  	// match: (MOVWload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 12719  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 12720  	// result: (MOVWload [off1+off2] {mergeSym(sym1,sym2)} base mem)
 12721  	for {
 12722  		off1 := v.AuxInt
 12723  		sym1 := v.Aux
 12724  		v_0 := v.Args[0]
 12725  		if v_0.Op != OpS390XMOVDaddr {
 12726  			break
 12727  		}
 12728  		off2 := v_0.AuxInt
 12729  		sym2 := v_0.Aux
 12730  		base := v_0.Args[0]
 12731  		mem := v.Args[1]
 12732  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 12733  			break
 12734  		}
 12735  		v.reset(OpS390XMOVWload)
 12736  		v.AuxInt = off1 + off2
 12737  		v.Aux = mergeSym(sym1, sym2)
 12738  		v.AddArg(base)
 12739  		v.AddArg(mem)
 12740  		return true
 12741  	}
 12742  	return false
 12743  }
 12744  func rewriteValueS390X_OpS390XMOVWreg(v *Value, config *Config) bool {
 12745  	b := v.Block
 12746  	_ = b
 12747  	// match: (MOVWreg x:(MOVBload _ _))
 12748  	// cond:
 12749  	// result: x
 12750  	for {
 12751  		x := v.Args[0]
 12752  		if x.Op != OpS390XMOVBload {
 12753  			break
 12754  		}
 12755  		v.reset(OpCopy)
 12756  		v.Type = x.Type
 12757  		v.AddArg(x)
 12758  		return true
 12759  	}
 12760  	// match: (MOVWreg x:(MOVBZload _ _))
 12761  	// cond:
 12762  	// result: x
 12763  	for {
 12764  		x := v.Args[0]
 12765  		if x.Op != OpS390XMOVBZload {
 12766  			break
 12767  		}
 12768  		v.reset(OpCopy)
 12769  		v.Type = x.Type
 12770  		v.AddArg(x)
 12771  		return true
 12772  	}
 12773  	// match: (MOVWreg x:(MOVHload _ _))
 12774  	// cond:
 12775  	// result: x
 12776  	for {
 12777  		x := v.Args[0]
 12778  		if x.Op != OpS390XMOVHload {
 12779  			break
 12780  		}
 12781  		v.reset(OpCopy)
 12782  		v.Type = x.Type
 12783  		v.AddArg(x)
 12784  		return true
 12785  	}
 12786  	// match: (MOVWreg x:(MOVHZload _ _))
 12787  	// cond:
 12788  	// result: x
 12789  	for {
 12790  		x := v.Args[0]
 12791  		if x.Op != OpS390XMOVHZload {
 12792  			break
 12793  		}
 12794  		v.reset(OpCopy)
 12795  		v.Type = x.Type
 12796  		v.AddArg(x)
 12797  		return true
 12798  	}
 12799  	// match: (MOVWreg x:(MOVWload _ _))
 12800  	// cond:
 12801  	// result: x
 12802  	for {
 12803  		x := v.Args[0]
 12804  		if x.Op != OpS390XMOVWload {
 12805  			break
 12806  		}
 12807  		v.reset(OpCopy)
 12808  		v.Type = x.Type
 12809  		v.AddArg(x)
 12810  		return true
 12811  	}
 12812  	// match: (MOVWreg x:(Arg <t>))
 12813  	// cond: (is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && isSigned(t)
 12814  	// result: x
 12815  	for {
 12816  		x := v.Args[0]
 12817  		if x.Op != OpArg {
 12818  			break
 12819  		}
 12820  		t := x.Type
 12821  		if !((is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && isSigned(t)) {
 12822  			break
 12823  		}
 12824  		v.reset(OpCopy)
 12825  		v.Type = x.Type
 12826  		v.AddArg(x)
 12827  		return true
 12828  	}
 12829  	// match: (MOVWreg x:(MOVBreg _))
 12830  	// cond:
 12831  	// result: x
 12832  	for {
 12833  		x := v.Args[0]
 12834  		if x.Op != OpS390XMOVBreg {
 12835  			break
 12836  		}
 12837  		v.reset(OpCopy)
 12838  		v.Type = x.Type
 12839  		v.AddArg(x)
 12840  		return true
 12841  	}
 12842  	// match: (MOVWreg x:(MOVBZreg _))
 12843  	// cond:
 12844  	// result: x
 12845  	for {
 12846  		x := v.Args[0]
 12847  		if x.Op != OpS390XMOVBZreg {
 12848  			break
 12849  		}
 12850  		v.reset(OpCopy)
 12851  		v.Type = x.Type
 12852  		v.AddArg(x)
 12853  		return true
 12854  	}
 12855  	// match: (MOVWreg x:(MOVHreg _))
 12856  	// cond:
 12857  	// result: x
 12858  	for {
 12859  		x := v.Args[0]
 12860  		if x.Op != OpS390XMOVHreg {
 12861  			break
 12862  		}
 12863  		v.reset(OpCopy)
 12864  		v.Type = x.Type
 12865  		v.AddArg(x)
 12866  		return true
 12867  	}
 12868  	// match: (MOVWreg x:(MOVHreg _))
 12869  	// cond:
 12870  	// result: x
 12871  	for {
 12872  		x := v.Args[0]
 12873  		if x.Op != OpS390XMOVHreg {
 12874  			break
 12875  		}
 12876  		v.reset(OpCopy)
 12877  		v.Type = x.Type
 12878  		v.AddArg(x)
 12879  		return true
 12880  	}
 12881  	// match: (MOVWreg x:(MOVWreg _))
 12882  	// cond:
 12883  	// result: x
 12884  	for {
 12885  		x := v.Args[0]
 12886  		if x.Op != OpS390XMOVWreg {
 12887  			break
 12888  		}
 12889  		v.reset(OpCopy)
 12890  		v.Type = x.Type
 12891  		v.AddArg(x)
 12892  		return true
 12893  	}
 12894  	// match: (MOVWreg (MOVDconst [c]))
 12895  	// cond:
 12896  	// result: (MOVDconst [int64(int32(c))])
 12897  	for {
 12898  		v_0 := v.Args[0]
 12899  		if v_0.Op != OpS390XMOVDconst {
 12900  			break
 12901  		}
 12902  		c := v_0.AuxInt
 12903  		v.reset(OpS390XMOVDconst)
 12904  		v.AuxInt = int64(int32(c))
 12905  		return true
 12906  	}
 12907  	// match: (MOVWreg x:(MOVWZload [off] {sym} ptr mem))
 12908  	// cond: x.Uses == 1 && clobber(x)
 12909  	// result: @x.Block (MOVWload <v.Type> [off] {sym} ptr mem)
 12910  	for {
 12911  		x := v.Args[0]
 12912  		if x.Op != OpS390XMOVWZload {
 12913  			break
 12914  		}
 12915  		off := x.AuxInt
 12916  		sym := x.Aux
 12917  		ptr := x.Args[0]
 12918  		mem := x.Args[1]
 12919  		if !(x.Uses == 1 && clobber(x)) {
 12920  			break
 12921  		}
 12922  		b = x.Block
 12923  		v0 := b.NewValue0(v.Line, OpS390XMOVWload, v.Type)
 12924  		v.reset(OpCopy)
 12925  		v.AddArg(v0)
 12926  		v0.AuxInt = off
 12927  		v0.Aux = sym
 12928  		v0.AddArg(ptr)
 12929  		v0.AddArg(mem)
 12930  		return true
 12931  	}
 12932  	return false
 12933  }
 12934  func rewriteValueS390X_OpS390XMOVWstore(v *Value, config *Config) bool {
 12935  	b := v.Block
 12936  	_ = b
 12937  	// match: (MOVWstore [off] {sym} ptr (MOVWreg x) mem)
 12938  	// cond:
 12939  	// result: (MOVWstore [off] {sym} ptr x mem)
 12940  	for {
 12941  		off := v.AuxInt
 12942  		sym := v.Aux
 12943  		ptr := v.Args[0]
 12944  		v_1 := v.Args[1]
 12945  		if v_1.Op != OpS390XMOVWreg {
 12946  			break
 12947  		}
 12948  		x := v_1.Args[0]
 12949  		mem := v.Args[2]
 12950  		v.reset(OpS390XMOVWstore)
 12951  		v.AuxInt = off
 12952  		v.Aux = sym
 12953  		v.AddArg(ptr)
 12954  		v.AddArg(x)
 12955  		v.AddArg(mem)
 12956  		return true
 12957  	}
 12958  	// match: (MOVWstore [off] {sym} ptr (MOVWZreg x) mem)
 12959  	// cond:
 12960  	// result: (MOVWstore [off] {sym} ptr x mem)
 12961  	for {
 12962  		off := v.AuxInt
 12963  		sym := v.Aux
 12964  		ptr := v.Args[0]
 12965  		v_1 := v.Args[1]
 12966  		if v_1.Op != OpS390XMOVWZreg {
 12967  			break
 12968  		}
 12969  		x := v_1.Args[0]
 12970  		mem := v.Args[2]
 12971  		v.reset(OpS390XMOVWstore)
 12972  		v.AuxInt = off
 12973  		v.Aux = sym
 12974  		v.AddArg(ptr)
 12975  		v.AddArg(x)
 12976  		v.AddArg(mem)
 12977  		return true
 12978  	}
 12979  	// match: (MOVWstore  [off1] {sym} (ADDconst [off2] ptr) val mem)
 12980  	// cond: is32Bit(off1+off2)
 12981  	// result: (MOVWstore  [off1+off2] {sym} ptr val mem)
 12982  	for {
 12983  		off1 := v.AuxInt
 12984  		sym := v.Aux
 12985  		v_0 := v.Args[0]
 12986  		if v_0.Op != OpS390XADDconst {
 12987  			break
 12988  		}
 12989  		off2 := v_0.AuxInt
 12990  		ptr := v_0.Args[0]
 12991  		val := v.Args[1]
 12992  		mem := v.Args[2]
 12993  		if !(is32Bit(off1 + off2)) {
 12994  			break
 12995  		}
 12996  		v.reset(OpS390XMOVWstore)
 12997  		v.AuxInt = off1 + off2
 12998  		v.Aux = sym
 12999  		v.AddArg(ptr)
 13000  		v.AddArg(val)
 13001  		v.AddArg(mem)
 13002  		return true
 13003  	}
 13004  	// match: (MOVWstore [off] {sym} ptr (MOVDconst [c]) mem)
 13005  	// cond: validOff(off) && int64(int16(c)) == c && ptr.Op != OpSB
 13006  	// result: (MOVWstoreconst [makeValAndOff(int64(int32(c)),off)] {sym} ptr mem)
 13007  	for {
 13008  		off := v.AuxInt
 13009  		sym := v.Aux
 13010  		ptr := v.Args[0]
 13011  		v_1 := v.Args[1]
 13012  		if v_1.Op != OpS390XMOVDconst {
 13013  			break
 13014  		}
 13015  		c := v_1.AuxInt
 13016  		mem := v.Args[2]
 13017  		if !(validOff(off) && int64(int16(c)) == c && ptr.Op != OpSB) {
 13018  			break
 13019  		}
 13020  		v.reset(OpS390XMOVWstoreconst)
 13021  		v.AuxInt = makeValAndOff(int64(int32(c)), off)
 13022  		v.Aux = sym
 13023  		v.AddArg(ptr)
 13024  		v.AddArg(mem)
 13025  		return true
 13026  	}
 13027  	// match: (MOVWstore  [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
 13028  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 13029  	// result: (MOVWstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
 13030  	for {
 13031  		off1 := v.AuxInt
 13032  		sym1 := v.Aux
 13033  		v_0 := v.Args[0]
 13034  		if v_0.Op != OpS390XMOVDaddr {
 13035  			break
 13036  		}
 13037  		off2 := v_0.AuxInt
 13038  		sym2 := v_0.Aux
 13039  		base := v_0.Args[0]
 13040  		val := v.Args[1]
 13041  		mem := v.Args[2]
 13042  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 13043  			break
 13044  		}
 13045  		v.reset(OpS390XMOVWstore)
 13046  		v.AuxInt = off1 + off2
 13047  		v.Aux = mergeSym(sym1, sym2)
 13048  		v.AddArg(base)
 13049  		v.AddArg(val)
 13050  		v.AddArg(mem)
 13051  		return true
 13052  	}
 13053  	// match: (MOVWstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
 13054  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 13055  	// result: (MOVWstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
 13056  	for {
 13057  		off1 := v.AuxInt
 13058  		sym1 := v.Aux
 13059  		v_0 := v.Args[0]
 13060  		if v_0.Op != OpS390XMOVDaddridx {
 13061  			break
 13062  		}
 13063  		off2 := v_0.AuxInt
 13064  		sym2 := v_0.Aux
 13065  		ptr := v_0.Args[0]
 13066  		idx := v_0.Args[1]
 13067  		val := v.Args[1]
 13068  		mem := v.Args[2]
 13069  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 13070  			break
 13071  		}
 13072  		v.reset(OpS390XMOVWstoreidx)
 13073  		v.AuxInt = off1 + off2
 13074  		v.Aux = mergeSym(sym1, sym2)
 13075  		v.AddArg(ptr)
 13076  		v.AddArg(idx)
 13077  		v.AddArg(val)
 13078  		v.AddArg(mem)
 13079  		return true
 13080  	}
 13081  	// match: (MOVWstore [off] {sym} (ADD ptr idx) val mem)
 13082  	// cond: ptr.Op != OpSB
 13083  	// result: (MOVWstoreidx [off] {sym} ptr idx val mem)
 13084  	for {
 13085  		off := v.AuxInt
 13086  		sym := v.Aux
 13087  		v_0 := v.Args[0]
 13088  		if v_0.Op != OpS390XADD {
 13089  			break
 13090  		}
 13091  		ptr := v_0.Args[0]
 13092  		idx := v_0.Args[1]
 13093  		val := v.Args[1]
 13094  		mem := v.Args[2]
 13095  		if !(ptr.Op != OpSB) {
 13096  			break
 13097  		}
 13098  		v.reset(OpS390XMOVWstoreidx)
 13099  		v.AuxInt = off
 13100  		v.Aux = sym
 13101  		v.AddArg(ptr)
 13102  		v.AddArg(idx)
 13103  		v.AddArg(val)
 13104  		v.AddArg(mem)
 13105  		return true
 13106  	}
 13107  	// match: (MOVWstore [i] {s} p (SRDconst [32] w) x:(MOVWstore [i-4] {s} p w mem))
 13108  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 13109  	// result: (MOVDstore [i-4] {s} p w mem)
 13110  	for {
 13111  		i := v.AuxInt
 13112  		s := v.Aux
 13113  		p := v.Args[0]
 13114  		v_1 := v.Args[1]
 13115  		if v_1.Op != OpS390XSRDconst {
 13116  			break
 13117  		}
 13118  		if v_1.AuxInt != 32 {
 13119  			break
 13120  		}
 13121  		w := v_1.Args[0]
 13122  		x := v.Args[2]
 13123  		if x.Op != OpS390XMOVWstore {
 13124  			break
 13125  		}
 13126  		if x.AuxInt != i-4 {
 13127  			break
 13128  		}
 13129  		if x.Aux != s {
 13130  			break
 13131  		}
 13132  		if p != x.Args[0] {
 13133  			break
 13134  		}
 13135  		if w != x.Args[1] {
 13136  			break
 13137  		}
 13138  		mem := x.Args[2]
 13139  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 13140  			break
 13141  		}
 13142  		v.reset(OpS390XMOVDstore)
 13143  		v.AuxInt = i - 4
 13144  		v.Aux = s
 13145  		v.AddArg(p)
 13146  		v.AddArg(w)
 13147  		v.AddArg(mem)
 13148  		return true
 13149  	}
 13150  	// match: (MOVWstore [i] {s} p w0:(SRDconst [j] w) x:(MOVWstore [i-4] {s} p (SRDconst [j+32] w) mem))
 13151  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 13152  	// result: (MOVDstore [i-4] {s} p w0 mem)
 13153  	for {
 13154  		i := v.AuxInt
 13155  		s := v.Aux
 13156  		p := v.Args[0]
 13157  		w0 := v.Args[1]
 13158  		if w0.Op != OpS390XSRDconst {
 13159  			break
 13160  		}
 13161  		j := w0.AuxInt
 13162  		w := w0.Args[0]
 13163  		x := v.Args[2]
 13164  		if x.Op != OpS390XMOVWstore {
 13165  			break
 13166  		}
 13167  		if x.AuxInt != i-4 {
 13168  			break
 13169  		}
 13170  		if x.Aux != s {
 13171  			break
 13172  		}
 13173  		if p != x.Args[0] {
 13174  			break
 13175  		}
 13176  		x_1 := x.Args[1]
 13177  		if x_1.Op != OpS390XSRDconst {
 13178  			break
 13179  		}
 13180  		if x_1.AuxInt != j+32 {
 13181  			break
 13182  		}
 13183  		if w != x_1.Args[0] {
 13184  			break
 13185  		}
 13186  		mem := x.Args[2]
 13187  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 13188  			break
 13189  		}
 13190  		v.reset(OpS390XMOVDstore)
 13191  		v.AuxInt = i - 4
 13192  		v.Aux = s
 13193  		v.AddArg(p)
 13194  		v.AddArg(w0)
 13195  		v.AddArg(mem)
 13196  		return true
 13197  	}
 13198  	// match: (MOVWstore [i] {s} p w1 x:(MOVWstore [i-4] {s} p w0 mem))
 13199  	// cond: p.Op != OpSB   && x.Uses == 1   && is20Bit(i-4)   && clobber(x)
 13200  	// result: (STM2 [i-4] {s} p w0 w1 mem)
 13201  	for {
 13202  		i := v.AuxInt
 13203  		s := v.Aux
 13204  		p := v.Args[0]
 13205  		w1 := v.Args[1]
 13206  		x := v.Args[2]
 13207  		if x.Op != OpS390XMOVWstore {
 13208  			break
 13209  		}
 13210  		if x.AuxInt != i-4 {
 13211  			break
 13212  		}
 13213  		if x.Aux != s {
 13214  			break
 13215  		}
 13216  		if p != x.Args[0] {
 13217  			break
 13218  		}
 13219  		w0 := x.Args[1]
 13220  		mem := x.Args[2]
 13221  		if !(p.Op != OpSB && x.Uses == 1 && is20Bit(i-4) && clobber(x)) {
 13222  			break
 13223  		}
 13224  		v.reset(OpS390XSTM2)
 13225  		v.AuxInt = i - 4
 13226  		v.Aux = s
 13227  		v.AddArg(p)
 13228  		v.AddArg(w0)
 13229  		v.AddArg(w1)
 13230  		v.AddArg(mem)
 13231  		return true
 13232  	}
 13233  	// match: (MOVWstore [i] {s} p w2 x:(STM2 [i-8] {s} p w0 w1 mem))
 13234  	// cond: x.Uses == 1   && is20Bit(i-8)   && clobber(x)
 13235  	// result: (STM3 [i-8] {s} p w0 w1 w2 mem)
 13236  	for {
 13237  		i := v.AuxInt
 13238  		s := v.Aux
 13239  		p := v.Args[0]
 13240  		w2 := v.Args[1]
 13241  		x := v.Args[2]
 13242  		if x.Op != OpS390XSTM2 {
 13243  			break
 13244  		}
 13245  		if x.AuxInt != i-8 {
 13246  			break
 13247  		}
 13248  		if x.Aux != s {
 13249  			break
 13250  		}
 13251  		if p != x.Args[0] {
 13252  			break
 13253  		}
 13254  		w0 := x.Args[1]
 13255  		w1 := x.Args[2]
 13256  		mem := x.Args[3]
 13257  		if !(x.Uses == 1 && is20Bit(i-8) && clobber(x)) {
 13258  			break
 13259  		}
 13260  		v.reset(OpS390XSTM3)
 13261  		v.AuxInt = i - 8
 13262  		v.Aux = s
 13263  		v.AddArg(p)
 13264  		v.AddArg(w0)
 13265  		v.AddArg(w1)
 13266  		v.AddArg(w2)
 13267  		v.AddArg(mem)
 13268  		return true
 13269  	}
 13270  	// match: (MOVWstore [i] {s} p w3 x:(STM3 [i-12] {s} p w0 w1 w2 mem))
 13271  	// cond: x.Uses == 1   && is20Bit(i-12)   && clobber(x)
 13272  	// result: (STM4 [i-12] {s} p w0 w1 w2 w3 mem)
 13273  	for {
 13274  		i := v.AuxInt
 13275  		s := v.Aux
 13276  		p := v.Args[0]
 13277  		w3 := v.Args[1]
 13278  		x := v.Args[2]
 13279  		if x.Op != OpS390XSTM3 {
 13280  			break
 13281  		}
 13282  		if x.AuxInt != i-12 {
 13283  			break
 13284  		}
 13285  		if x.Aux != s {
 13286  			break
 13287  		}
 13288  		if p != x.Args[0] {
 13289  			break
 13290  		}
 13291  		w0 := x.Args[1]
 13292  		w1 := x.Args[2]
 13293  		w2 := x.Args[3]
 13294  		mem := x.Args[4]
 13295  		if !(x.Uses == 1 && is20Bit(i-12) && clobber(x)) {
 13296  			break
 13297  		}
 13298  		v.reset(OpS390XSTM4)
 13299  		v.AuxInt = i - 12
 13300  		v.Aux = s
 13301  		v.AddArg(p)
 13302  		v.AddArg(w0)
 13303  		v.AddArg(w1)
 13304  		v.AddArg(w2)
 13305  		v.AddArg(w3)
 13306  		v.AddArg(mem)
 13307  		return true
 13308  	}
 13309  	return false
 13310  }
 13311  func rewriteValueS390X_OpS390XMOVWstoreconst(v *Value, config *Config) bool {
 13312  	b := v.Block
 13313  	_ = b
 13314  	// match: (MOVWstoreconst [sc] {s} (ADDconst [off] ptr) mem)
 13315  	// cond: ValAndOff(sc).canAdd(off)
 13316  	// result: (MOVWstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
 13317  	for {
 13318  		sc := v.AuxInt
 13319  		s := v.Aux
 13320  		v_0 := v.Args[0]
 13321  		if v_0.Op != OpS390XADDconst {
 13322  			break
 13323  		}
 13324  		off := v_0.AuxInt
 13325  		ptr := v_0.Args[0]
 13326  		mem := v.Args[1]
 13327  		if !(ValAndOff(sc).canAdd(off)) {
 13328  			break
 13329  		}
 13330  		v.reset(OpS390XMOVWstoreconst)
 13331  		v.AuxInt = ValAndOff(sc).add(off)
 13332  		v.Aux = s
 13333  		v.AddArg(ptr)
 13334  		v.AddArg(mem)
 13335  		return true
 13336  	}
 13337  	// match: (MOVWstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
 13338  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
 13339  	// result: (MOVWstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
 13340  	for {
 13341  		sc := v.AuxInt
 13342  		sym1 := v.Aux
 13343  		v_0 := v.Args[0]
 13344  		if v_0.Op != OpS390XMOVDaddr {
 13345  			break
 13346  		}
 13347  		off := v_0.AuxInt
 13348  		sym2 := v_0.Aux
 13349  		ptr := v_0.Args[0]
 13350  		mem := v.Args[1]
 13351  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
 13352  			break
 13353  		}
 13354  		v.reset(OpS390XMOVWstoreconst)
 13355  		v.AuxInt = ValAndOff(sc).add(off)
 13356  		v.Aux = mergeSym(sym1, sym2)
 13357  		v.AddArg(ptr)
 13358  		v.AddArg(mem)
 13359  		return true
 13360  	}
 13361  	// match: (MOVWstoreconst [c] {s} p x:(MOVWstoreconst [a] {s} p mem))
 13362  	// cond: p.Op != OpSB   && x.Uses == 1   && ValAndOff(a).Off() + 4 == ValAndOff(c).Off()   && clobber(x)
 13363  	// result: (MOVDstore [ValAndOff(a).Off()] {s} p (MOVDconst [ValAndOff(c).Val()&0xffffffff | ValAndOff(a).Val()<<32]) mem)
 13364  	for {
 13365  		c := v.AuxInt
 13366  		s := v.Aux
 13367  		p := v.Args[0]
 13368  		x := v.Args[1]
 13369  		if x.Op != OpS390XMOVWstoreconst {
 13370  			break
 13371  		}
 13372  		a := x.AuxInt
 13373  		if x.Aux != s {
 13374  			break
 13375  		}
 13376  		if p != x.Args[0] {
 13377  			break
 13378  		}
 13379  		mem := x.Args[1]
 13380  		if !(p.Op != OpSB && x.Uses == 1 && ValAndOff(a).Off()+4 == ValAndOff(c).Off() && clobber(x)) {
 13381  			break
 13382  		}
 13383  		v.reset(OpS390XMOVDstore)
 13384  		v.AuxInt = ValAndOff(a).Off()
 13385  		v.Aux = s
 13386  		v.AddArg(p)
 13387  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
 13388  		v0.AuxInt = ValAndOff(c).Val()&0xffffffff | ValAndOff(a).Val()<<32
 13389  		v.AddArg(v0)
 13390  		v.AddArg(mem)
 13391  		return true
 13392  	}
 13393  	return false
 13394  }
 13395  func rewriteValueS390X_OpS390XMOVWstoreidx(v *Value, config *Config) bool {
 13396  	b := v.Block
 13397  	_ = b
 13398  	// match: (MOVWstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
 13399  	// cond:
 13400  	// result: (MOVWstoreidx [c+d] {sym} ptr idx val mem)
 13401  	for {
 13402  		c := v.AuxInt
 13403  		sym := v.Aux
 13404  		v_0 := v.Args[0]
 13405  		if v_0.Op != OpS390XADDconst {
 13406  			break
 13407  		}
 13408  		d := v_0.AuxInt
 13409  		ptr := v_0.Args[0]
 13410  		idx := v.Args[1]
 13411  		val := v.Args[2]
 13412  		mem := v.Args[3]
 13413  		v.reset(OpS390XMOVWstoreidx)
 13414  		v.AuxInt = c + d
 13415  		v.Aux = sym
 13416  		v.AddArg(ptr)
 13417  		v.AddArg(idx)
 13418  		v.AddArg(val)
 13419  		v.AddArg(mem)
 13420  		return true
 13421  	}
 13422  	// match: (MOVWstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
 13423  	// cond:
 13424  	// result: (MOVWstoreidx [c+d] {sym} ptr idx val mem)
 13425  	for {
 13426  		c := v.AuxInt
 13427  		sym := v.Aux
 13428  		ptr := v.Args[0]
 13429  		v_1 := v.Args[1]
 13430  		if v_1.Op != OpS390XADDconst {
 13431  			break
 13432  		}
 13433  		d := v_1.AuxInt
 13434  		idx := v_1.Args[0]
 13435  		val := v.Args[2]
 13436  		mem := v.Args[3]
 13437  		v.reset(OpS390XMOVWstoreidx)
 13438  		v.AuxInt = c + d
 13439  		v.Aux = sym
 13440  		v.AddArg(ptr)
 13441  		v.AddArg(idx)
 13442  		v.AddArg(val)
 13443  		v.AddArg(mem)
 13444  		return true
 13445  	}
 13446  	// match: (MOVWstoreidx [i] {s} p idx w x:(MOVWstoreidx [i-4] {s} p idx (SRDconst [32] w) mem))
 13447  	// cond: x.Uses == 1   && clobber(x)
 13448  	// result: (MOVDstoreidx [i-4] {s} p idx w mem)
 13449  	for {
 13450  		i := v.AuxInt
 13451  		s := v.Aux
 13452  		p := v.Args[0]
 13453  		idx := v.Args[1]
 13454  		w := v.Args[2]
 13455  		x := v.Args[3]
 13456  		if x.Op != OpS390XMOVWstoreidx {
 13457  			break
 13458  		}
 13459  		if x.AuxInt != i-4 {
 13460  			break
 13461  		}
 13462  		if x.Aux != s {
 13463  			break
 13464  		}
 13465  		if p != x.Args[0] {
 13466  			break
 13467  		}
 13468  		if idx != x.Args[1] {
 13469  			break
 13470  		}
 13471  		x_2 := x.Args[2]
 13472  		if x_2.Op != OpS390XSRDconst {
 13473  			break
 13474  		}
 13475  		if x_2.AuxInt != 32 {
 13476  			break
 13477  		}
 13478  		if w != x_2.Args[0] {
 13479  			break
 13480  		}
 13481  		mem := x.Args[3]
 13482  		if !(x.Uses == 1 && clobber(x)) {
 13483  			break
 13484  		}
 13485  		v.reset(OpS390XMOVDstoreidx)
 13486  		v.AuxInt = i - 4
 13487  		v.Aux = s
 13488  		v.AddArg(p)
 13489  		v.AddArg(idx)
 13490  		v.AddArg(w)
 13491  		v.AddArg(mem)
 13492  		return true
 13493  	}
 13494  	// match: (MOVWstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVWstoreidx [i-4] {s} p idx (SRDconst [j+32] w) mem))
 13495  	// cond: x.Uses == 1   && clobber(x)
 13496  	// result: (MOVDstoreidx [i-4] {s} p idx w0 mem)
 13497  	for {
 13498  		i := v.AuxInt
 13499  		s := v.Aux
 13500  		p := v.Args[0]
 13501  		idx := v.Args[1]
 13502  		w0 := v.Args[2]
 13503  		if w0.Op != OpS390XSRDconst {
 13504  			break
 13505  		}
 13506  		j := w0.AuxInt
 13507  		w := w0.Args[0]
 13508  		x := v.Args[3]
 13509  		if x.Op != OpS390XMOVWstoreidx {
 13510  			break
 13511  		}
 13512  		if x.AuxInt != i-4 {
 13513  			break
 13514  		}
 13515  		if x.Aux != s {
 13516  			break
 13517  		}
 13518  		if p != x.Args[0] {
 13519  			break
 13520  		}
 13521  		if idx != x.Args[1] {
 13522  			break
 13523  		}
 13524  		x_2 := x.Args[2]
 13525  		if x_2.Op != OpS390XSRDconst {
 13526  			break
 13527  		}
 13528  		if x_2.AuxInt != j+32 {
 13529  			break
 13530  		}
 13531  		if w != x_2.Args[0] {
 13532  			break
 13533  		}
 13534  		mem := x.Args[3]
 13535  		if !(x.Uses == 1 && clobber(x)) {
 13536  			break
 13537  		}
 13538  		v.reset(OpS390XMOVDstoreidx)
 13539  		v.AuxInt = i - 4
 13540  		v.Aux = s
 13541  		v.AddArg(p)
 13542  		v.AddArg(idx)
 13543  		v.AddArg(w0)
 13544  		v.AddArg(mem)
 13545  		return true
 13546  	}
 13547  	return false
 13548  }
 13549  func rewriteValueS390X_OpS390XMULLD(v *Value, config *Config) bool {
 13550  	b := v.Block
 13551  	_ = b
 13552  	// match: (MULLD x (MOVDconst [c]))
 13553  	// cond: is32Bit(c)
 13554  	// result: (MULLDconst [c] x)
 13555  	for {
 13556  		x := v.Args[0]
 13557  		v_1 := v.Args[1]
 13558  		if v_1.Op != OpS390XMOVDconst {
 13559  			break
 13560  		}
 13561  		c := v_1.AuxInt
 13562  		if !(is32Bit(c)) {
 13563  			break
 13564  		}
 13565  		v.reset(OpS390XMULLDconst)
 13566  		v.AuxInt = c
 13567  		v.AddArg(x)
 13568  		return true
 13569  	}
 13570  	// match: (MULLD (MOVDconst [c]) x)
 13571  	// cond: is32Bit(c)
 13572  	// result: (MULLDconst [c] x)
 13573  	for {
 13574  		v_0 := v.Args[0]
 13575  		if v_0.Op != OpS390XMOVDconst {
 13576  			break
 13577  		}
 13578  		c := v_0.AuxInt
 13579  		x := v.Args[1]
 13580  		if !(is32Bit(c)) {
 13581  			break
 13582  		}
 13583  		v.reset(OpS390XMULLDconst)
 13584  		v.AuxInt = c
 13585  		v.AddArg(x)
 13586  		return true
 13587  	}
 13588  	// match: (MULLD <t> x g:(MOVDload [off] {sym} ptr mem))
 13589  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13590  	// result: (MULLDload <t> [off] {sym} x ptr mem)
 13591  	for {
 13592  		t := v.Type
 13593  		x := v.Args[0]
 13594  		g := v.Args[1]
 13595  		if g.Op != OpS390XMOVDload {
 13596  			break
 13597  		}
 13598  		off := g.AuxInt
 13599  		sym := g.Aux
 13600  		ptr := g.Args[0]
 13601  		mem := g.Args[1]
 13602  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13603  			break
 13604  		}
 13605  		v.reset(OpS390XMULLDload)
 13606  		v.Type = t
 13607  		v.AuxInt = off
 13608  		v.Aux = sym
 13609  		v.AddArg(x)
 13610  		v.AddArg(ptr)
 13611  		v.AddArg(mem)
 13612  		return true
 13613  	}
 13614  	// match: (MULLD <t> g:(MOVDload [off] {sym} ptr mem) x)
 13615  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13616  	// result: (MULLDload <t> [off] {sym} x ptr mem)
 13617  	for {
 13618  		t := v.Type
 13619  		g := v.Args[0]
 13620  		if g.Op != OpS390XMOVDload {
 13621  			break
 13622  		}
 13623  		off := g.AuxInt
 13624  		sym := g.Aux
 13625  		ptr := g.Args[0]
 13626  		mem := g.Args[1]
 13627  		x := v.Args[1]
 13628  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13629  			break
 13630  		}
 13631  		v.reset(OpS390XMULLDload)
 13632  		v.Type = t
 13633  		v.AuxInt = off
 13634  		v.Aux = sym
 13635  		v.AddArg(x)
 13636  		v.AddArg(ptr)
 13637  		v.AddArg(mem)
 13638  		return true
 13639  	}
 13640  	return false
 13641  }
 13642  func rewriteValueS390X_OpS390XMULLDconst(v *Value, config *Config) bool {
 13643  	b := v.Block
 13644  	_ = b
 13645  	// match: (MULLDconst [-1] x)
 13646  	// cond:
 13647  	// result: (NEG x)
 13648  	for {
 13649  		if v.AuxInt != -1 {
 13650  			break
 13651  		}
 13652  		x := v.Args[0]
 13653  		v.reset(OpS390XNEG)
 13654  		v.AddArg(x)
 13655  		return true
 13656  	}
 13657  	// match: (MULLDconst [0] _)
 13658  	// cond:
 13659  	// result: (MOVDconst [0])
 13660  	for {
 13661  		if v.AuxInt != 0 {
 13662  			break
 13663  		}
 13664  		v.reset(OpS390XMOVDconst)
 13665  		v.AuxInt = 0
 13666  		return true
 13667  	}
 13668  	// match: (MULLDconst [1] x)
 13669  	// cond:
 13670  	// result: x
 13671  	for {
 13672  		if v.AuxInt != 1 {
 13673  			break
 13674  		}
 13675  		x := v.Args[0]
 13676  		v.reset(OpCopy)
 13677  		v.Type = x.Type
 13678  		v.AddArg(x)
 13679  		return true
 13680  	}
 13681  	// match: (MULLDconst [c] x)
 13682  	// cond: isPowerOfTwo(c)
 13683  	// result: (SLDconst [log2(c)] x)
 13684  	for {
 13685  		c := v.AuxInt
 13686  		x := v.Args[0]
 13687  		if !(isPowerOfTwo(c)) {
 13688  			break
 13689  		}
 13690  		v.reset(OpS390XSLDconst)
 13691  		v.AuxInt = log2(c)
 13692  		v.AddArg(x)
 13693  		return true
 13694  	}
 13695  	// match: (MULLDconst [c] x)
 13696  	// cond: isPowerOfTwo(c+1) && c >= 15
 13697  	// result: (SUB (SLDconst <v.Type> [log2(c+1)] x) x)
 13698  	for {
 13699  		c := v.AuxInt
 13700  		x := v.Args[0]
 13701  		if !(isPowerOfTwo(c+1) && c >= 15) {
 13702  			break
 13703  		}
 13704  		v.reset(OpS390XSUB)
 13705  		v0 := b.NewValue0(v.Line, OpS390XSLDconst, v.Type)
 13706  		v0.AuxInt = log2(c + 1)
 13707  		v0.AddArg(x)
 13708  		v.AddArg(v0)
 13709  		v.AddArg(x)
 13710  		return true
 13711  	}
 13712  	// match: (MULLDconst [c] x)
 13713  	// cond: isPowerOfTwo(c-1) && c >= 17
 13714  	// result: (ADD (SLDconst <v.Type> [log2(c-1)] x) x)
 13715  	for {
 13716  		c := v.AuxInt
 13717  		x := v.Args[0]
 13718  		if !(isPowerOfTwo(c-1) && c >= 17) {
 13719  			break
 13720  		}
 13721  		v.reset(OpS390XADD)
 13722  		v0 := b.NewValue0(v.Line, OpS390XSLDconst, v.Type)
 13723  		v0.AuxInt = log2(c - 1)
 13724  		v0.AddArg(x)
 13725  		v.AddArg(v0)
 13726  		v.AddArg(x)
 13727  		return true
 13728  	}
 13729  	// match: (MULLDconst [c] (MOVDconst [d]))
 13730  	// cond:
 13731  	// result: (MOVDconst [c*d])
 13732  	for {
 13733  		c := v.AuxInt
 13734  		v_0 := v.Args[0]
 13735  		if v_0.Op != OpS390XMOVDconst {
 13736  			break
 13737  		}
 13738  		d := v_0.AuxInt
 13739  		v.reset(OpS390XMOVDconst)
 13740  		v.AuxInt = c * d
 13741  		return true
 13742  	}
 13743  	return false
 13744  }
 13745  func rewriteValueS390X_OpS390XMULLW(v *Value, config *Config) bool {
 13746  	b := v.Block
 13747  	_ = b
 13748  	// match: (MULLW x (MOVDconst [c]))
 13749  	// cond:
 13750  	// result: (MULLWconst [c] x)
 13751  	for {
 13752  		x := v.Args[0]
 13753  		v_1 := v.Args[1]
 13754  		if v_1.Op != OpS390XMOVDconst {
 13755  			break
 13756  		}
 13757  		c := v_1.AuxInt
 13758  		v.reset(OpS390XMULLWconst)
 13759  		v.AuxInt = c
 13760  		v.AddArg(x)
 13761  		return true
 13762  	}
 13763  	// match: (MULLW (MOVDconst [c]) x)
 13764  	// cond:
 13765  	// result: (MULLWconst [c] x)
 13766  	for {
 13767  		v_0 := v.Args[0]
 13768  		if v_0.Op != OpS390XMOVDconst {
 13769  			break
 13770  		}
 13771  		c := v_0.AuxInt
 13772  		x := v.Args[1]
 13773  		v.reset(OpS390XMULLWconst)
 13774  		v.AuxInt = c
 13775  		v.AddArg(x)
 13776  		return true
 13777  	}
 13778  	// match: (MULLW <t> x g:(MOVWload [off] {sym} ptr mem))
 13779  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13780  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 13781  	for {
 13782  		t := v.Type
 13783  		x := v.Args[0]
 13784  		g := v.Args[1]
 13785  		if g.Op != OpS390XMOVWload {
 13786  			break
 13787  		}
 13788  		off := g.AuxInt
 13789  		sym := g.Aux
 13790  		ptr := g.Args[0]
 13791  		mem := g.Args[1]
 13792  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13793  			break
 13794  		}
 13795  		v.reset(OpS390XMULLWload)
 13796  		v.Type = t
 13797  		v.AuxInt = off
 13798  		v.Aux = sym
 13799  		v.AddArg(x)
 13800  		v.AddArg(ptr)
 13801  		v.AddArg(mem)
 13802  		return true
 13803  	}
 13804  	// match: (MULLW <t> g:(MOVWload [off] {sym} ptr mem) x)
 13805  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13806  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 13807  	for {
 13808  		t := v.Type
 13809  		g := v.Args[0]
 13810  		if g.Op != OpS390XMOVWload {
 13811  			break
 13812  		}
 13813  		off := g.AuxInt
 13814  		sym := g.Aux
 13815  		ptr := g.Args[0]
 13816  		mem := g.Args[1]
 13817  		x := v.Args[1]
 13818  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13819  			break
 13820  		}
 13821  		v.reset(OpS390XMULLWload)
 13822  		v.Type = t
 13823  		v.AuxInt = off
 13824  		v.Aux = sym
 13825  		v.AddArg(x)
 13826  		v.AddArg(ptr)
 13827  		v.AddArg(mem)
 13828  		return true
 13829  	}
 13830  	// match: (MULLW <t> x g:(MOVWZload [off] {sym} ptr mem))
 13831  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13832  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 13833  	for {
 13834  		t := v.Type
 13835  		x := v.Args[0]
 13836  		g := v.Args[1]
 13837  		if g.Op != OpS390XMOVWZload {
 13838  			break
 13839  		}
 13840  		off := g.AuxInt
 13841  		sym := g.Aux
 13842  		ptr := g.Args[0]
 13843  		mem := g.Args[1]
 13844  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13845  			break
 13846  		}
 13847  		v.reset(OpS390XMULLWload)
 13848  		v.Type = t
 13849  		v.AuxInt = off
 13850  		v.Aux = sym
 13851  		v.AddArg(x)
 13852  		v.AddArg(ptr)
 13853  		v.AddArg(mem)
 13854  		return true
 13855  	}
 13856  	// match: (MULLW <t> g:(MOVWZload [off] {sym} ptr mem) x)
 13857  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13858  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 13859  	for {
 13860  		t := v.Type
 13861  		g := v.Args[0]
 13862  		if g.Op != OpS390XMOVWZload {
 13863  			break
 13864  		}
 13865  		off := g.AuxInt
 13866  		sym := g.Aux
 13867  		ptr := g.Args[0]
 13868  		mem := g.Args[1]
 13869  		x := v.Args[1]
 13870  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13871  			break
 13872  		}
 13873  		v.reset(OpS390XMULLWload)
 13874  		v.Type = t
 13875  		v.AuxInt = off
 13876  		v.Aux = sym
 13877  		v.AddArg(x)
 13878  		v.AddArg(ptr)
 13879  		v.AddArg(mem)
 13880  		return true
 13881  	}
 13882  	return false
 13883  }
 13884  func rewriteValueS390X_OpS390XMULLWconst(v *Value, config *Config) bool {
 13885  	b := v.Block
 13886  	_ = b
 13887  	// match: (MULLWconst [-1] x)
 13888  	// cond:
 13889  	// result: (NEGW x)
 13890  	for {
 13891  		if v.AuxInt != -1 {
 13892  			break
 13893  		}
 13894  		x := v.Args[0]
 13895  		v.reset(OpS390XNEGW)
 13896  		v.AddArg(x)
 13897  		return true
 13898  	}
 13899  	// match: (MULLWconst [0] _)
 13900  	// cond:
 13901  	// result: (MOVDconst [0])
 13902  	for {
 13903  		if v.AuxInt != 0 {
 13904  			break
 13905  		}
 13906  		v.reset(OpS390XMOVDconst)
 13907  		v.AuxInt = 0
 13908  		return true
 13909  	}
 13910  	// match: (MULLWconst [1] x)
 13911  	// cond:
 13912  	// result: x
 13913  	for {
 13914  		if v.AuxInt != 1 {
 13915  			break
 13916  		}
 13917  		x := v.Args[0]
 13918  		v.reset(OpCopy)
 13919  		v.Type = x.Type
 13920  		v.AddArg(x)
 13921  		return true
 13922  	}
 13923  	// match: (MULLWconst [c] x)
 13924  	// cond: isPowerOfTwo(c)
 13925  	// result: (SLWconst [log2(c)] x)
 13926  	for {
 13927  		c := v.AuxInt
 13928  		x := v.Args[0]
 13929  		if !(isPowerOfTwo(c)) {
 13930  			break
 13931  		}
 13932  		v.reset(OpS390XSLWconst)
 13933  		v.AuxInt = log2(c)
 13934  		v.AddArg(x)
 13935  		return true
 13936  	}
 13937  	// match: (MULLWconst [c] x)
 13938  	// cond: isPowerOfTwo(c+1) && c >= 15
 13939  	// result: (SUBW (SLWconst <v.Type> [log2(c+1)] x) x)
 13940  	for {
 13941  		c := v.AuxInt
 13942  		x := v.Args[0]
 13943  		if !(isPowerOfTwo(c+1) && c >= 15) {
 13944  			break
 13945  		}
 13946  		v.reset(OpS390XSUBW)
 13947  		v0 := b.NewValue0(v.Line, OpS390XSLWconst, v.Type)
 13948  		v0.AuxInt = log2(c + 1)
 13949  		v0.AddArg(x)
 13950  		v.AddArg(v0)
 13951  		v.AddArg(x)
 13952  		return true
 13953  	}
 13954  	// match: (MULLWconst [c] x)
 13955  	// cond: isPowerOfTwo(c-1) && c >= 17
 13956  	// result: (ADDW (SLWconst <v.Type> [log2(c-1)] x) x)
 13957  	for {
 13958  		c := v.AuxInt
 13959  		x := v.Args[0]
 13960  		if !(isPowerOfTwo(c-1) && c >= 17) {
 13961  			break
 13962  		}
 13963  		v.reset(OpS390XADDW)
 13964  		v0 := b.NewValue0(v.Line, OpS390XSLWconst, v.Type)
 13965  		v0.AuxInt = log2(c - 1)
 13966  		v0.AddArg(x)
 13967  		v.AddArg(v0)
 13968  		v.AddArg(x)
 13969  		return true
 13970  	}
 13971  	// match: (MULLWconst [c] (MOVDconst [d]))
 13972  	// cond:
 13973  	// result: (MOVDconst [int64(int32(c*d))])
 13974  	for {
 13975  		c := v.AuxInt
 13976  		v_0 := v.Args[0]
 13977  		if v_0.Op != OpS390XMOVDconst {
 13978  			break
 13979  		}
 13980  		d := v_0.AuxInt
 13981  		v.reset(OpS390XMOVDconst)
 13982  		v.AuxInt = int64(int32(c * d))
 13983  		return true
 13984  	}
 13985  	return false
 13986  }
 13987  func rewriteValueS390X_OpS390XNEG(v *Value, config *Config) bool {
 13988  	b := v.Block
 13989  	_ = b
 13990  	// match: (NEG (MOVDconst [c]))
 13991  	// cond:
 13992  	// result: (MOVDconst [-c])
 13993  	for {
 13994  		v_0 := v.Args[0]
 13995  		if v_0.Op != OpS390XMOVDconst {
 13996  			break
 13997  		}
 13998  		c := v_0.AuxInt
 13999  		v.reset(OpS390XMOVDconst)
 14000  		v.AuxInt = -c
 14001  		return true
 14002  	}
 14003  	return false
 14004  }
 14005  func rewriteValueS390X_OpS390XNEGW(v *Value, config *Config) bool {
 14006  	b := v.Block
 14007  	_ = b
 14008  	// match: (NEGW (MOVDconst [c]))
 14009  	// cond:
 14010  	// result: (MOVDconst [int64(int32(-c))])
 14011  	for {
 14012  		v_0 := v.Args[0]
 14013  		if v_0.Op != OpS390XMOVDconst {
 14014  			break
 14015  		}
 14016  		c := v_0.AuxInt
 14017  		v.reset(OpS390XMOVDconst)
 14018  		v.AuxInt = int64(int32(-c))
 14019  		return true
 14020  	}
 14021  	return false
 14022  }
 14023  func rewriteValueS390X_OpS390XNOT(v *Value, config *Config) bool {
 14024  	b := v.Block
 14025  	_ = b
 14026  	// match: (NOT x)
 14027  	// cond: true
 14028  	// result: (XOR (MOVDconst [-1]) x)
 14029  	for {
 14030  		x := v.Args[0]
 14031  		if !(true) {
 14032  			break
 14033  		}
 14034  		v.reset(OpS390XXOR)
 14035  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
 14036  		v0.AuxInt = -1
 14037  		v.AddArg(v0)
 14038  		v.AddArg(x)
 14039  		return true
 14040  	}
 14041  	return false
 14042  }
 14043  func rewriteValueS390X_OpS390XNOTW(v *Value, config *Config) bool {
 14044  	b := v.Block
 14045  	_ = b
 14046  	// match: (NOTW x)
 14047  	// cond: true
 14048  	// result: (XORWconst [-1] x)
 14049  	for {
 14050  		x := v.Args[0]
 14051  		if !(true) {
 14052  			break
 14053  		}
 14054  		v.reset(OpS390XXORWconst)
 14055  		v.AuxInt = -1
 14056  		v.AddArg(x)
 14057  		return true
 14058  	}
 14059  	return false
 14060  }
 14061  func rewriteValueS390X_OpS390XOR(v *Value, config *Config) bool {
 14062  	b := v.Block
 14063  	_ = b
 14064  	// match: (OR x (MOVDconst [c]))
 14065  	// cond: isU32Bit(c)
 14066  	// result: (ORconst [c] x)
 14067  	for {
 14068  		x := v.Args[0]
 14069  		v_1 := v.Args[1]
 14070  		if v_1.Op != OpS390XMOVDconst {
 14071  			break
 14072  		}
 14073  		c := v_1.AuxInt
 14074  		if !(isU32Bit(c)) {
 14075  			break
 14076  		}
 14077  		v.reset(OpS390XORconst)
 14078  		v.AuxInt = c
 14079  		v.AddArg(x)
 14080  		return true
 14081  	}
 14082  	// match: (OR (MOVDconst [c]) x)
 14083  	// cond: isU32Bit(c)
 14084  	// result: (ORconst [c] x)
 14085  	for {
 14086  		v_0 := v.Args[0]
 14087  		if v_0.Op != OpS390XMOVDconst {
 14088  			break
 14089  		}
 14090  		c := v_0.AuxInt
 14091  		x := v.Args[1]
 14092  		if !(isU32Bit(c)) {
 14093  			break
 14094  		}
 14095  		v.reset(OpS390XORconst)
 14096  		v.AuxInt = c
 14097  		v.AddArg(x)
 14098  		return true
 14099  	}
 14100  	// match: (OR (MOVDconst [c]) (MOVDconst [d]))
 14101  	// cond:
 14102  	// result: (MOVDconst [c|d])
 14103  	for {
 14104  		v_0 := v.Args[0]
 14105  		if v_0.Op != OpS390XMOVDconst {
 14106  			break
 14107  		}
 14108  		c := v_0.AuxInt
 14109  		v_1 := v.Args[1]
 14110  		if v_1.Op != OpS390XMOVDconst {
 14111  			break
 14112  		}
 14113  		d := v_1.AuxInt
 14114  		v.reset(OpS390XMOVDconst)
 14115  		v.AuxInt = c | d
 14116  		return true
 14117  	}
 14118  	// match: (OR x x)
 14119  	// cond:
 14120  	// result: x
 14121  	for {
 14122  		x := v.Args[0]
 14123  		if x != v.Args[1] {
 14124  			break
 14125  		}
 14126  		v.reset(OpCopy)
 14127  		v.Type = x.Type
 14128  		v.AddArg(x)
 14129  		return true
 14130  	}
 14131  	// match: (OR <t> x g:(MOVDload [off] {sym} ptr mem))
 14132  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 14133  	// result: (ORload <t> [off] {sym} x ptr mem)
 14134  	for {
 14135  		t := v.Type
 14136  		x := v.Args[0]
 14137  		g := v.Args[1]
 14138  		if g.Op != OpS390XMOVDload {
 14139  			break
 14140  		}
 14141  		off := g.AuxInt
 14142  		sym := g.Aux
 14143  		ptr := g.Args[0]
 14144  		mem := g.Args[1]
 14145  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 14146  			break
 14147  		}
 14148  		v.reset(OpS390XORload)
 14149  		v.Type = t
 14150  		v.AuxInt = off
 14151  		v.Aux = sym
 14152  		v.AddArg(x)
 14153  		v.AddArg(ptr)
 14154  		v.AddArg(mem)
 14155  		return true
 14156  	}
 14157  	// match: (OR <t> g:(MOVDload [off] {sym} ptr mem) x)
 14158  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 14159  	// result: (ORload <t> [off] {sym} x ptr mem)
 14160  	for {
 14161  		t := v.Type
 14162  		g := v.Args[0]
 14163  		if g.Op != OpS390XMOVDload {
 14164  			break
 14165  		}
 14166  		off := g.AuxInt
 14167  		sym := g.Aux
 14168  		ptr := g.Args[0]
 14169  		mem := g.Args[1]
 14170  		x := v.Args[1]
 14171  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 14172  			break
 14173  		}
 14174  		v.reset(OpS390XORload)
 14175  		v.Type = t
 14176  		v.AuxInt = off
 14177  		v.Aux = sym
 14178  		v.AddArg(x)
 14179  		v.AddArg(ptr)
 14180  		v.AddArg(mem)
 14181  		return true
 14182  	}
 14183  	// 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)))
 14184  	// 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)
 14185  	// result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDBRload [i] {s} p mem)
 14186  	for {
 14187  		o0 := v.Args[0]
 14188  		if o0.Op != OpS390XOR {
 14189  			break
 14190  		}
 14191  		o1 := o0.Args[0]
 14192  		if o1.Op != OpS390XOR {
 14193  			break
 14194  		}
 14195  		o2 := o1.Args[0]
 14196  		if o2.Op != OpS390XOR {
 14197  			break
 14198  		}
 14199  		o3 := o2.Args[0]
 14200  		if o3.Op != OpS390XOR {
 14201  			break
 14202  		}
 14203  		o4 := o3.Args[0]
 14204  		if o4.Op != OpS390XOR {
 14205  			break
 14206  		}
 14207  		o5 := o4.Args[0]
 14208  		if o5.Op != OpS390XOR {
 14209  			break
 14210  		}
 14211  		x0 := o5.Args[0]
 14212  		if x0.Op != OpS390XMOVBZload {
 14213  			break
 14214  		}
 14215  		i := x0.AuxInt
 14216  		s := x0.Aux
 14217  		p := x0.Args[0]
 14218  		mem := x0.Args[1]
 14219  		s0 := o5.Args[1]
 14220  		if s0.Op != OpS390XSLDconst {
 14221  			break
 14222  		}
 14223  		if s0.AuxInt != 8 {
 14224  			break
 14225  		}
 14226  		x1 := s0.Args[0]
 14227  		if x1.Op != OpS390XMOVBZload {
 14228  			break
 14229  		}
 14230  		if x1.AuxInt != i+1 {
 14231  			break
 14232  		}
 14233  		if x1.Aux != s {
 14234  			break
 14235  		}
 14236  		if p != x1.Args[0] {
 14237  			break
 14238  		}
 14239  		if mem != x1.Args[1] {
 14240  			break
 14241  		}
 14242  		s1 := o4.Args[1]
 14243  		if s1.Op != OpS390XSLDconst {
 14244  			break
 14245  		}
 14246  		if s1.AuxInt != 16 {
 14247  			break
 14248  		}
 14249  		x2 := s1.Args[0]
 14250  		if x2.Op != OpS390XMOVBZload {
 14251  			break
 14252  		}
 14253  		if x2.AuxInt != i+2 {
 14254  			break
 14255  		}
 14256  		if x2.Aux != s {
 14257  			break
 14258  		}
 14259  		if p != x2.Args[0] {
 14260  			break
 14261  		}
 14262  		if mem != x2.Args[1] {
 14263  			break
 14264  		}
 14265  		s2 := o3.Args[1]
 14266  		if s2.Op != OpS390XSLDconst {
 14267  			break
 14268  		}
 14269  		if s2.AuxInt != 24 {
 14270  			break
 14271  		}
 14272  		x3 := s2.Args[0]
 14273  		if x3.Op != OpS390XMOVBZload {
 14274  			break
 14275  		}
 14276  		if x3.AuxInt != i+3 {
 14277  			break
 14278  		}
 14279  		if x3.Aux != s {
 14280  			break
 14281  		}
 14282  		if p != x3.Args[0] {
 14283  			break
 14284  		}
 14285  		if mem != x3.Args[1] {
 14286  			break
 14287  		}
 14288  		s3 := o2.Args[1]
 14289  		if s3.Op != OpS390XSLDconst {
 14290  			break
 14291  		}
 14292  		if s3.AuxInt != 32 {
 14293  			break
 14294  		}
 14295  		x4 := s3.Args[0]
 14296  		if x4.Op != OpS390XMOVBZload {
 14297  			break
 14298  		}
 14299  		if x4.AuxInt != i+4 {
 14300  			break
 14301  		}
 14302  		if x4.Aux != s {
 14303  			break
 14304  		}
 14305  		if p != x4.Args[0] {
 14306  			break
 14307  		}
 14308  		if mem != x4.Args[1] {
 14309  			break
 14310  		}
 14311  		s4 := o1.Args[1]
 14312  		if s4.Op != OpS390XSLDconst {
 14313  			break
 14314  		}
 14315  		if s4.AuxInt != 40 {
 14316  			break
 14317  		}
 14318  		x5 := s4.Args[0]
 14319  		if x5.Op != OpS390XMOVBZload {
 14320  			break
 14321  		}
 14322  		if x5.AuxInt != i+5 {
 14323  			break
 14324  		}
 14325  		if x5.Aux != s {
 14326  			break
 14327  		}
 14328  		if p != x5.Args[0] {
 14329  			break
 14330  		}
 14331  		if mem != x5.Args[1] {
 14332  			break
 14333  		}
 14334  		s5 := o0.Args[1]
 14335  		if s5.Op != OpS390XSLDconst {
 14336  			break
 14337  		}
 14338  		if s5.AuxInt != 48 {
 14339  			break
 14340  		}
 14341  		x6 := s5.Args[0]
 14342  		if x6.Op != OpS390XMOVBZload {
 14343  			break
 14344  		}
 14345  		if x6.AuxInt != i+6 {
 14346  			break
 14347  		}
 14348  		if x6.Aux != s {
 14349  			break
 14350  		}
 14351  		if p != x6.Args[0] {
 14352  			break
 14353  		}
 14354  		if mem != x6.Args[1] {
 14355  			break
 14356  		}
 14357  		s6 := v.Args[1]
 14358  		if s6.Op != OpS390XSLDconst {
 14359  			break
 14360  		}
 14361  		if s6.AuxInt != 56 {
 14362  			break
 14363  		}
 14364  		x7 := s6.Args[0]
 14365  		if x7.Op != OpS390XMOVBZload {
 14366  			break
 14367  		}
 14368  		if x7.AuxInt != i+7 {
 14369  			break
 14370  		}
 14371  		if x7.Aux != s {
 14372  			break
 14373  		}
 14374  		if p != x7.Args[0] {
 14375  			break
 14376  		}
 14377  		if mem != x7.Args[1] {
 14378  			break
 14379  		}
 14380  		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)) {
 14381  			break
 14382  		}
 14383  		b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7)
 14384  		v0 := b.NewValue0(v.Line, OpS390XMOVDBRload, config.fe.TypeUInt64())
 14385  		v.reset(OpCopy)
 14386  		v.AddArg(v0)
 14387  		v0.AuxInt = i
 14388  		v0.Aux = s
 14389  		v0.AddArg(p)
 14390  		v0.AddArg(mem)
 14391  		return true
 14392  	}
 14393  	// 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)))
 14394  	// 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)
 14395  	// result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDBRloadidx <v.Type> [i] {s} p idx mem)
 14396  	for {
 14397  		o0 := v.Args[0]
 14398  		if o0.Op != OpS390XOR {
 14399  			break
 14400  		}
 14401  		o1 := o0.Args[0]
 14402  		if o1.Op != OpS390XOR {
 14403  			break
 14404  		}
 14405  		o2 := o1.Args[0]
 14406  		if o2.Op != OpS390XOR {
 14407  			break
 14408  		}
 14409  		o3 := o2.Args[0]
 14410  		if o3.Op != OpS390XOR {
 14411  			break
 14412  		}
 14413  		o4 := o3.Args[0]
 14414  		if o4.Op != OpS390XOR {
 14415  			break
 14416  		}
 14417  		o5 := o4.Args[0]
 14418  		if o5.Op != OpS390XOR {
 14419  			break
 14420  		}
 14421  		x0 := o5.Args[0]
 14422  		if x0.Op != OpS390XMOVBZloadidx {
 14423  			break
 14424  		}
 14425  		i := x0.AuxInt
 14426  		s := x0.Aux
 14427  		p := x0.Args[0]
 14428  		idx := x0.Args[1]
 14429  		mem := x0.Args[2]
 14430  		s0 := o5.Args[1]
 14431  		if s0.Op != OpS390XSLDconst {
 14432  			break
 14433  		}
 14434  		if s0.AuxInt != 8 {
 14435  			break
 14436  		}
 14437  		x1 := s0.Args[0]
 14438  		if x1.Op != OpS390XMOVBZloadidx {
 14439  			break
 14440  		}
 14441  		if x1.AuxInt != i+1 {
 14442  			break
 14443  		}
 14444  		if x1.Aux != s {
 14445  			break
 14446  		}
 14447  		if p != x1.Args[0] {
 14448  			break
 14449  		}
 14450  		if idx != x1.Args[1] {
 14451  			break
 14452  		}
 14453  		if mem != x1.Args[2] {
 14454  			break
 14455  		}
 14456  		s1 := o4.Args[1]
 14457  		if s1.Op != OpS390XSLDconst {
 14458  			break
 14459  		}
 14460  		if s1.AuxInt != 16 {
 14461  			break
 14462  		}
 14463  		x2 := s1.Args[0]
 14464  		if x2.Op != OpS390XMOVBZloadidx {
 14465  			break
 14466  		}
 14467  		if x2.AuxInt != i+2 {
 14468  			break
 14469  		}
 14470  		if x2.Aux != s {
 14471  			break
 14472  		}
 14473  		if p != x2.Args[0] {
 14474  			break
 14475  		}
 14476  		if idx != x2.Args[1] {
 14477  			break
 14478  		}
 14479  		if mem != x2.Args[2] {
 14480  			break
 14481  		}
 14482  		s2 := o3.Args[1]
 14483  		if s2.Op != OpS390XSLDconst {
 14484  			break
 14485  		}
 14486  		if s2.AuxInt != 24 {
 14487  			break
 14488  		}
 14489  		x3 := s2.Args[0]
 14490  		if x3.Op != OpS390XMOVBZloadidx {
 14491  			break
 14492  		}
 14493  		if x3.AuxInt != i+3 {
 14494  			break
 14495  		}
 14496  		if x3.Aux != s {
 14497  			break
 14498  		}
 14499  		if p != x3.Args[0] {
 14500  			break
 14501  		}
 14502  		if idx != x3.Args[1] {
 14503  			break
 14504  		}
 14505  		if mem != x3.Args[2] {
 14506  			break
 14507  		}
 14508  		s3 := o2.Args[1]
 14509  		if s3.Op != OpS390XSLDconst {
 14510  			break
 14511  		}
 14512  		if s3.AuxInt != 32 {
 14513  			break
 14514  		}
 14515  		x4 := s3.Args[0]
 14516  		if x4.Op != OpS390XMOVBZloadidx {
 14517  			break
 14518  		}
 14519  		if x4.AuxInt != i+4 {
 14520  			break
 14521  		}
 14522  		if x4.Aux != s {
 14523  			break
 14524  		}
 14525  		if p != x4.Args[0] {
 14526  			break
 14527  		}
 14528  		if idx != x4.Args[1] {
 14529  			break
 14530  		}
 14531  		if mem != x4.Args[2] {
 14532  			break
 14533  		}
 14534  		s4 := o1.Args[1]
 14535  		if s4.Op != OpS390XSLDconst {
 14536  			break
 14537  		}
 14538  		if s4.AuxInt != 40 {
 14539  			break
 14540  		}
 14541  		x5 := s4.Args[0]
 14542  		if x5.Op != OpS390XMOVBZloadidx {
 14543  			break
 14544  		}
 14545  		if x5.AuxInt != i+5 {
 14546  			break
 14547  		}
 14548  		if x5.Aux != s {
 14549  			break
 14550  		}
 14551  		if p != x5.Args[0] {
 14552  			break
 14553  		}
 14554  		if idx != x5.Args[1] {
 14555  			break
 14556  		}
 14557  		if mem != x5.Args[2] {
 14558  			break
 14559  		}
 14560  		s5 := o0.Args[1]
 14561  		if s5.Op != OpS390XSLDconst {
 14562  			break
 14563  		}
 14564  		if s5.AuxInt != 48 {
 14565  			break
 14566  		}
 14567  		x6 := s5.Args[0]
 14568  		if x6.Op != OpS390XMOVBZloadidx {
 14569  			break
 14570  		}
 14571  		if x6.AuxInt != i+6 {
 14572  			break
 14573  		}
 14574  		if x6.Aux != s {
 14575  			break
 14576  		}
 14577  		if p != x6.Args[0] {
 14578  			break
 14579  		}
 14580  		if idx != x6.Args[1] {
 14581  			break
 14582  		}
 14583  		if mem != x6.Args[2] {
 14584  			break
 14585  		}
 14586  		s6 := v.Args[1]
 14587  		if s6.Op != OpS390XSLDconst {
 14588  			break
 14589  		}
 14590  		if s6.AuxInt != 56 {
 14591  			break
 14592  		}
 14593  		x7 := s6.Args[0]
 14594  		if x7.Op != OpS390XMOVBZloadidx {
 14595  			break
 14596  		}
 14597  		if x7.AuxInt != i+7 {
 14598  			break
 14599  		}
 14600  		if x7.Aux != s {
 14601  			break
 14602  		}
 14603  		if p != x7.Args[0] {
 14604  			break
 14605  		}
 14606  		if idx != x7.Args[1] {
 14607  			break
 14608  		}
 14609  		if mem != x7.Args[2] {
 14610  			break
 14611  		}
 14612  		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)) {
 14613  			break
 14614  		}
 14615  		b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7)
 14616  		v0 := b.NewValue0(v.Line, OpS390XMOVDBRloadidx, v.Type)
 14617  		v.reset(OpCopy)
 14618  		v.AddArg(v0)
 14619  		v0.AuxInt = i
 14620  		v0.Aux = s
 14621  		v0.AddArg(p)
 14622  		v0.AddArg(idx)
 14623  		v0.AddArg(mem)
 14624  		return true
 14625  	}
 14626  	// 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)))
 14627  	// 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)
 14628  	// result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDload [i-7] {s} p mem)
 14629  	for {
 14630  		o0 := v.Args[0]
 14631  		if o0.Op != OpS390XOR {
 14632  			break
 14633  		}
 14634  		o1 := o0.Args[0]
 14635  		if o1.Op != OpS390XOR {
 14636  			break
 14637  		}
 14638  		o2 := o1.Args[0]
 14639  		if o2.Op != OpS390XOR {
 14640  			break
 14641  		}
 14642  		o3 := o2.Args[0]
 14643  		if o3.Op != OpS390XOR {
 14644  			break
 14645  		}
 14646  		o4 := o3.Args[0]
 14647  		if o4.Op != OpS390XOR {
 14648  			break
 14649  		}
 14650  		o5 := o4.Args[0]
 14651  		if o5.Op != OpS390XOR {
 14652  			break
 14653  		}
 14654  		x0 := o5.Args[0]
 14655  		if x0.Op != OpS390XMOVBZload {
 14656  			break
 14657  		}
 14658  		i := x0.AuxInt
 14659  		s := x0.Aux
 14660  		p := x0.Args[0]
 14661  		mem := x0.Args[1]
 14662  		s0 := o5.Args[1]
 14663  		if s0.Op != OpS390XSLDconst {
 14664  			break
 14665  		}
 14666  		if s0.AuxInt != 8 {
 14667  			break
 14668  		}
 14669  		x1 := s0.Args[0]
 14670  		if x1.Op != OpS390XMOVBZload {
 14671  			break
 14672  		}
 14673  		if x1.AuxInt != i-1 {
 14674  			break
 14675  		}
 14676  		if x1.Aux != s {
 14677  			break
 14678  		}
 14679  		if p != x1.Args[0] {
 14680  			break
 14681  		}
 14682  		if mem != x1.Args[1] {
 14683  			break
 14684  		}
 14685  		s1 := o4.Args[1]
 14686  		if s1.Op != OpS390XSLDconst {
 14687  			break
 14688  		}
 14689  		if s1.AuxInt != 16 {
 14690  			break
 14691  		}
 14692  		x2 := s1.Args[0]
 14693  		if x2.Op != OpS390XMOVBZload {
 14694  			break
 14695  		}
 14696  		if x2.AuxInt != i-2 {
 14697  			break
 14698  		}
 14699  		if x2.Aux != s {
 14700  			break
 14701  		}
 14702  		if p != x2.Args[0] {
 14703  			break
 14704  		}
 14705  		if mem != x2.Args[1] {
 14706  			break
 14707  		}
 14708  		s2 := o3.Args[1]
 14709  		if s2.Op != OpS390XSLDconst {
 14710  			break
 14711  		}
 14712  		if s2.AuxInt != 24 {
 14713  			break
 14714  		}
 14715  		x3 := s2.Args[0]
 14716  		if x3.Op != OpS390XMOVBZload {
 14717  			break
 14718  		}
 14719  		if x3.AuxInt != i-3 {
 14720  			break
 14721  		}
 14722  		if x3.Aux != s {
 14723  			break
 14724  		}
 14725  		if p != x3.Args[0] {
 14726  			break
 14727  		}
 14728  		if mem != x3.Args[1] {
 14729  			break
 14730  		}
 14731  		s3 := o2.Args[1]
 14732  		if s3.Op != OpS390XSLDconst {
 14733  			break
 14734  		}
 14735  		if s3.AuxInt != 32 {
 14736  			break
 14737  		}
 14738  		x4 := s3.Args[0]
 14739  		if x4.Op != OpS390XMOVBZload {
 14740  			break
 14741  		}
 14742  		if x4.AuxInt != i-4 {
 14743  			break
 14744  		}
 14745  		if x4.Aux != s {
 14746  			break
 14747  		}
 14748  		if p != x4.Args[0] {
 14749  			break
 14750  		}
 14751  		if mem != x4.Args[1] {
 14752  			break
 14753  		}
 14754  		s4 := o1.Args[1]
 14755  		if s4.Op != OpS390XSLDconst {
 14756  			break
 14757  		}
 14758  		if s4.AuxInt != 40 {
 14759  			break
 14760  		}
 14761  		x5 := s4.Args[0]
 14762  		if x5.Op != OpS390XMOVBZload {
 14763  			break
 14764  		}
 14765  		if x5.AuxInt != i-5 {
 14766  			break
 14767  		}
 14768  		if x5.Aux != s {
 14769  			break
 14770  		}
 14771  		if p != x5.Args[0] {
 14772  			break
 14773  		}
 14774  		if mem != x5.Args[1] {
 14775  			break
 14776  		}
 14777  		s5 := o0.Args[1]
 14778  		if s5.Op != OpS390XSLDconst {
 14779  			break
 14780  		}
 14781  		if s5.AuxInt != 48 {
 14782  			break
 14783  		}
 14784  		x6 := s5.Args[0]
 14785  		if x6.Op != OpS390XMOVBZload {
 14786  			break
 14787  		}
 14788  		if x6.AuxInt != i-6 {
 14789  			break
 14790  		}
 14791  		if x6.Aux != s {
 14792  			break
 14793  		}
 14794  		if p != x6.Args[0] {
 14795  			break
 14796  		}
 14797  		if mem != x6.Args[1] {
 14798  			break
 14799  		}
 14800  		s6 := v.Args[1]
 14801  		if s6.Op != OpS390XSLDconst {
 14802  			break
 14803  		}
 14804  		if s6.AuxInt != 56 {
 14805  			break
 14806  		}
 14807  		x7 := s6.Args[0]
 14808  		if x7.Op != OpS390XMOVBZload {
 14809  			break
 14810  		}
 14811  		if x7.AuxInt != i-7 {
 14812  			break
 14813  		}
 14814  		if x7.Aux != s {
 14815  			break
 14816  		}
 14817  		if p != x7.Args[0] {
 14818  			break
 14819  		}
 14820  		if mem != x7.Args[1] {
 14821  			break
 14822  		}
 14823  		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)) {
 14824  			break
 14825  		}
 14826  		b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7)
 14827  		v0 := b.NewValue0(v.Line, OpS390XMOVDload, config.fe.TypeUInt64())
 14828  		v.reset(OpCopy)
 14829  		v.AddArg(v0)
 14830  		v0.AuxInt = i - 7
 14831  		v0.Aux = s
 14832  		v0.AddArg(p)
 14833  		v0.AddArg(mem)
 14834  		return true
 14835  	}
 14836  	// 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)))
 14837  	// 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)
 14838  	// result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDloadidx <v.Type> [i-7] {s} p idx mem)
 14839  	for {
 14840  		o0 := v.Args[0]
 14841  		if o0.Op != OpS390XOR {
 14842  			break
 14843  		}
 14844  		o1 := o0.Args[0]
 14845  		if o1.Op != OpS390XOR {
 14846  			break
 14847  		}
 14848  		o2 := o1.Args[0]
 14849  		if o2.Op != OpS390XOR {
 14850  			break
 14851  		}
 14852  		o3 := o2.Args[0]
 14853  		if o3.Op != OpS390XOR {
 14854  			break
 14855  		}
 14856  		o4 := o3.Args[0]
 14857  		if o4.Op != OpS390XOR {
 14858  			break
 14859  		}
 14860  		o5 := o4.Args[0]
 14861  		if o5.Op != OpS390XOR {
 14862  			break
 14863  		}
 14864  		x0 := o5.Args[0]
 14865  		if x0.Op != OpS390XMOVBZloadidx {
 14866  			break
 14867  		}
 14868  		i := x0.AuxInt
 14869  		s := x0.Aux
 14870  		p := x0.Args[0]
 14871  		idx := x0.Args[1]
 14872  		mem := x0.Args[2]
 14873  		s0 := o5.Args[1]
 14874  		if s0.Op != OpS390XSLDconst {
 14875  			break
 14876  		}
 14877  		if s0.AuxInt != 8 {
 14878  			break
 14879  		}
 14880  		x1 := s0.Args[0]
 14881  		if x1.Op != OpS390XMOVBZloadidx {
 14882  			break
 14883  		}
 14884  		if x1.AuxInt != i-1 {
 14885  			break
 14886  		}
 14887  		if x1.Aux != s {
 14888  			break
 14889  		}
 14890  		if p != x1.Args[0] {
 14891  			break
 14892  		}
 14893  		if idx != x1.Args[1] {
 14894  			break
 14895  		}
 14896  		if mem != x1.Args[2] {
 14897  			break
 14898  		}
 14899  		s1 := o4.Args[1]
 14900  		if s1.Op != OpS390XSLDconst {
 14901  			break
 14902  		}
 14903  		if s1.AuxInt != 16 {
 14904  			break
 14905  		}
 14906  		x2 := s1.Args[0]
 14907  		if x2.Op != OpS390XMOVBZloadidx {
 14908  			break
 14909  		}
 14910  		if x2.AuxInt != i-2 {
 14911  			break
 14912  		}
 14913  		if x2.Aux != s {
 14914  			break
 14915  		}
 14916  		if p != x2.Args[0] {
 14917  			break
 14918  		}
 14919  		if idx != x2.Args[1] {
 14920  			break
 14921  		}
 14922  		if mem != x2.Args[2] {
 14923  			break
 14924  		}
 14925  		s2 := o3.Args[1]
 14926  		if s2.Op != OpS390XSLDconst {
 14927  			break
 14928  		}
 14929  		if s2.AuxInt != 24 {
 14930  			break
 14931  		}
 14932  		x3 := s2.Args[0]
 14933  		if x3.Op != OpS390XMOVBZloadidx {
 14934  			break
 14935  		}
 14936  		if x3.AuxInt != i-3 {
 14937  			break
 14938  		}
 14939  		if x3.Aux != s {
 14940  			break
 14941  		}
 14942  		if p != x3.Args[0] {
 14943  			break
 14944  		}
 14945  		if idx != x3.Args[1] {
 14946  			break
 14947  		}
 14948  		if mem != x3.Args[2] {
 14949  			break
 14950  		}
 14951  		s3 := o2.Args[1]
 14952  		if s3.Op != OpS390XSLDconst {
 14953  			break
 14954  		}
 14955  		if s3.AuxInt != 32 {
 14956  			break
 14957  		}
 14958  		x4 := s3.Args[0]
 14959  		if x4.Op != OpS390XMOVBZloadidx {
 14960  			break
 14961  		}
 14962  		if x4.AuxInt != i-4 {
 14963  			break
 14964  		}
 14965  		if x4.Aux != s {
 14966  			break
 14967  		}
 14968  		if p != x4.Args[0] {
 14969  			break
 14970  		}
 14971  		if idx != x4.Args[1] {
 14972  			break
 14973  		}
 14974  		if mem != x4.Args[2] {
 14975  			break
 14976  		}
 14977  		s4 := o1.Args[1]
 14978  		if s4.Op != OpS390XSLDconst {
 14979  			break
 14980  		}
 14981  		if s4.AuxInt != 40 {
 14982  			break
 14983  		}
 14984  		x5 := s4.Args[0]
 14985  		if x5.Op != OpS390XMOVBZloadidx {
 14986  			break
 14987  		}
 14988  		if x5.AuxInt != i-5 {
 14989  			break
 14990  		}
 14991  		if x5.Aux != s {
 14992  			break
 14993  		}
 14994  		if p != x5.Args[0] {
 14995  			break
 14996  		}
 14997  		if idx != x5.Args[1] {
 14998  			break
 14999  		}
 15000  		if mem != x5.Args[2] {
 15001  			break
 15002  		}
 15003  		s5 := o0.Args[1]
 15004  		if s5.Op != OpS390XSLDconst {
 15005  			break
 15006  		}
 15007  		if s5.AuxInt != 48 {
 15008  			break
 15009  		}
 15010  		x6 := s5.Args[0]
 15011  		if x6.Op != OpS390XMOVBZloadidx {
 15012  			break
 15013  		}
 15014  		if x6.AuxInt != i-6 {
 15015  			break
 15016  		}
 15017  		if x6.Aux != s {
 15018  			break
 15019  		}
 15020  		if p != x6.Args[0] {
 15021  			break
 15022  		}
 15023  		if idx != x6.Args[1] {
 15024  			break
 15025  		}
 15026  		if mem != x6.Args[2] {
 15027  			break
 15028  		}
 15029  		s6 := v.Args[1]
 15030  		if s6.Op != OpS390XSLDconst {
 15031  			break
 15032  		}
 15033  		if s6.AuxInt != 56 {
 15034  			break
 15035  		}
 15036  		x7 := s6.Args[0]
 15037  		if x7.Op != OpS390XMOVBZloadidx {
 15038  			break
 15039  		}
 15040  		if x7.AuxInt != i-7 {
 15041  			break
 15042  		}
 15043  		if x7.Aux != s {
 15044  			break
 15045  		}
 15046  		if p != x7.Args[0] {
 15047  			break
 15048  		}
 15049  		if idx != x7.Args[1] {
 15050  			break
 15051  		}
 15052  		if mem != x7.Args[2] {
 15053  			break
 15054  		}
 15055  		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)) {
 15056  			break
 15057  		}
 15058  		b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7)
 15059  		v0 := b.NewValue0(v.Line, OpS390XMOVDloadidx, v.Type)
 15060  		v.reset(OpCopy)
 15061  		v.AddArg(v0)
 15062  		v0.AuxInt = i - 7
 15063  		v0.Aux = s
 15064  		v0.AddArg(p)
 15065  		v0.AddArg(idx)
 15066  		v0.AddArg(mem)
 15067  		return true
 15068  	}
 15069  	return false
 15070  }
 15071  func rewriteValueS390X_OpS390XORW(v *Value, config *Config) bool {
 15072  	b := v.Block
 15073  	_ = b
 15074  	// match: (ORW x (MOVDconst [c]))
 15075  	// cond:
 15076  	// result: (ORWconst [c] x)
 15077  	for {
 15078  		x := v.Args[0]
 15079  		v_1 := v.Args[1]
 15080  		if v_1.Op != OpS390XMOVDconst {
 15081  			break
 15082  		}
 15083  		c := v_1.AuxInt
 15084  		v.reset(OpS390XORWconst)
 15085  		v.AuxInt = c
 15086  		v.AddArg(x)
 15087  		return true
 15088  	}
 15089  	// match: (ORW (MOVDconst [c]) x)
 15090  	// cond:
 15091  	// result: (ORWconst [c] x)
 15092  	for {
 15093  		v_0 := v.Args[0]
 15094  		if v_0.Op != OpS390XMOVDconst {
 15095  			break
 15096  		}
 15097  		c := v_0.AuxInt
 15098  		x := v.Args[1]
 15099  		v.reset(OpS390XORWconst)
 15100  		v.AuxInt = c
 15101  		v.AddArg(x)
 15102  		return true
 15103  	}
 15104  	// match: (ORW x x)
 15105  	// cond:
 15106  	// result: x
 15107  	for {
 15108  		x := v.Args[0]
 15109  		if x != v.Args[1] {
 15110  			break
 15111  		}
 15112  		v.reset(OpCopy)
 15113  		v.Type = x.Type
 15114  		v.AddArg(x)
 15115  		return true
 15116  	}
 15117  	// match: (ORW <t> x g:(MOVWload [off] {sym} ptr mem))
 15118  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 15119  	// result: (ORWload <t> [off] {sym} x ptr mem)
 15120  	for {
 15121  		t := v.Type
 15122  		x := v.Args[0]
 15123  		g := v.Args[1]
 15124  		if g.Op != OpS390XMOVWload {
 15125  			break
 15126  		}
 15127  		off := g.AuxInt
 15128  		sym := g.Aux
 15129  		ptr := g.Args[0]
 15130  		mem := g.Args[1]
 15131  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 15132  			break
 15133  		}
 15134  		v.reset(OpS390XORWload)
 15135  		v.Type = t
 15136  		v.AuxInt = off
 15137  		v.Aux = sym
 15138  		v.AddArg(x)
 15139  		v.AddArg(ptr)
 15140  		v.AddArg(mem)
 15141  		return true
 15142  	}
 15143  	// match: (ORW <t> g:(MOVWload [off] {sym} ptr mem) x)
 15144  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 15145  	// result: (ORWload <t> [off] {sym} x ptr mem)
 15146  	for {
 15147  		t := v.Type
 15148  		g := v.Args[0]
 15149  		if g.Op != OpS390XMOVWload {
 15150  			break
 15151  		}
 15152  		off := g.AuxInt
 15153  		sym := g.Aux
 15154  		ptr := g.Args[0]
 15155  		mem := g.Args[1]
 15156  		x := v.Args[1]
 15157  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 15158  			break
 15159  		}
 15160  		v.reset(OpS390XORWload)
 15161  		v.Type = t
 15162  		v.AuxInt = off
 15163  		v.Aux = sym
 15164  		v.AddArg(x)
 15165  		v.AddArg(ptr)
 15166  		v.AddArg(mem)
 15167  		return true
 15168  	}
 15169  	// match: (ORW <t> x g:(MOVWZload [off] {sym} ptr mem))
 15170  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 15171  	// result: (ORWload <t> [off] {sym} x ptr mem)
 15172  	for {
 15173  		t := v.Type
 15174  		x := v.Args[0]
 15175  		g := v.Args[1]
 15176  		if g.Op != OpS390XMOVWZload {
 15177  			break
 15178  		}
 15179  		off := g.AuxInt
 15180  		sym := g.Aux
 15181  		ptr := g.Args[0]
 15182  		mem := g.Args[1]
 15183  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 15184  			break
 15185  		}
 15186  		v.reset(OpS390XORWload)
 15187  		v.Type = t
 15188  		v.AuxInt = off
 15189  		v.Aux = sym
 15190  		v.AddArg(x)
 15191  		v.AddArg(ptr)
 15192  		v.AddArg(mem)
 15193  		return true
 15194  	}
 15195  	// match: (ORW <t> g:(MOVWZload [off] {sym} ptr mem) x)
 15196  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 15197  	// result: (ORWload <t> [off] {sym} x ptr mem)
 15198  	for {
 15199  		t := v.Type
 15200  		g := v.Args[0]
 15201  		if g.Op != OpS390XMOVWZload {
 15202  			break
 15203  		}
 15204  		off := g.AuxInt
 15205  		sym := g.Aux
 15206  		ptr := g.Args[0]
 15207  		mem := g.Args[1]
 15208  		x := v.Args[1]
 15209  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 15210  			break
 15211  		}
 15212  		v.reset(OpS390XORWload)
 15213  		v.Type = t
 15214  		v.AuxInt = off
 15215  		v.Aux = sym
 15216  		v.AddArg(x)
 15217  		v.AddArg(ptr)
 15218  		v.AddArg(mem)
 15219  		return true
 15220  	}
 15221  	// match: (ORW                 x0:(MOVBZload [i]   {s} p mem)     s0:(SLWconst [8] x1:(MOVBZload [i+1] {s} p mem)))
 15222  	// cond: p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)
 15223  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRload [i] {s} p mem))
 15224  	for {
 15225  		x0 := v.Args[0]
 15226  		if x0.Op != OpS390XMOVBZload {
 15227  			break
 15228  		}
 15229  		i := x0.AuxInt
 15230  		s := x0.Aux
 15231  		p := x0.Args[0]
 15232  		mem := x0.Args[1]
 15233  		s0 := v.Args[1]
 15234  		if s0.Op != OpS390XSLWconst {
 15235  			break
 15236  		}
 15237  		if s0.AuxInt != 8 {
 15238  			break
 15239  		}
 15240  		x1 := s0.Args[0]
 15241  		if x1.Op != OpS390XMOVBZload {
 15242  			break
 15243  		}
 15244  		if x1.AuxInt != i+1 {
 15245  			break
 15246  		}
 15247  		if x1.Aux != s {
 15248  			break
 15249  		}
 15250  		if p != x1.Args[0] {
 15251  			break
 15252  		}
 15253  		if mem != x1.Args[1] {
 15254  			break
 15255  		}
 15256  		if !(p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0)) {
 15257  			break
 15258  		}
 15259  		b = mergePoint(b, x0, x1)
 15260  		v0 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
 15261  		v.reset(OpCopy)
 15262  		v.AddArg(v0)
 15263  		v1 := b.NewValue0(v.Line, OpS390XMOVHBRload, config.fe.TypeUInt16())
 15264  		v1.AuxInt = i
 15265  		v1.Aux = s
 15266  		v1.AddArg(p)
 15267  		v1.AddArg(mem)
 15268  		v0.AddArg(v1)
 15269  		return true
 15270  	}
 15271  	// 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)))
 15272  	// 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)
 15273  	// result: @mergePoint(b,x0,x1,x2) (MOVWBRload [i] {s} p mem)
 15274  	for {
 15275  		o0 := v.Args[0]
 15276  		if o0.Op != OpS390XORW {
 15277  			break
 15278  		}
 15279  		z0 := o0.Args[0]
 15280  		if z0.Op != OpS390XMOVHZreg {
 15281  			break
 15282  		}
 15283  		x0 := z0.Args[0]
 15284  		if x0.Op != OpS390XMOVHBRload {
 15285  			break
 15286  		}
 15287  		i := x0.AuxInt
 15288  		s := x0.Aux
 15289  		p := x0.Args[0]
 15290  		mem := x0.Args[1]
 15291  		s0 := o0.Args[1]
 15292  		if s0.Op != OpS390XSLWconst {
 15293  			break
 15294  		}
 15295  		if s0.AuxInt != 16 {
 15296  			break
 15297  		}
 15298  		x1 := s0.Args[0]
 15299  		if x1.Op != OpS390XMOVBZload {
 15300  			break
 15301  		}
 15302  		if x1.AuxInt != i+2 {
 15303  			break
 15304  		}
 15305  		if x1.Aux != s {
 15306  			break
 15307  		}
 15308  		if p != x1.Args[0] {
 15309  			break
 15310  		}
 15311  		if mem != x1.Args[1] {
 15312  			break
 15313  		}
 15314  		s1 := v.Args[1]
 15315  		if s1.Op != OpS390XSLWconst {
 15316  			break
 15317  		}
 15318  		if s1.AuxInt != 24 {
 15319  			break
 15320  		}
 15321  		x2 := s1.Args[0]
 15322  		if x2.Op != OpS390XMOVBZload {
 15323  			break
 15324  		}
 15325  		if x2.AuxInt != i+3 {
 15326  			break
 15327  		}
 15328  		if x2.Aux != s {
 15329  			break
 15330  		}
 15331  		if p != x2.Args[0] {
 15332  			break
 15333  		}
 15334  		if mem != x2.Args[1] {
 15335  			break
 15336  		}
 15337  		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)) {
 15338  			break
 15339  		}
 15340  		b = mergePoint(b, x0, x1, x2)
 15341  		v0 := b.NewValue0(v.Line, OpS390XMOVWBRload, config.fe.TypeUInt32())
 15342  		v.reset(OpCopy)
 15343  		v.AddArg(v0)
 15344  		v0.AuxInt = i
 15345  		v0.Aux = s
 15346  		v0.AddArg(p)
 15347  		v0.AddArg(mem)
 15348  		return true
 15349  	}
 15350  	// match: (ORW                 x0:(MOVBZloadidx [i]   {s} p idx mem)     s0:(SLWconst [8] x1:(MOVBZloadidx [i+1] {s} p idx mem)))
 15351  	// cond: x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)
 15352  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRloadidx <v.Type> [i] {s} p idx mem))
 15353  	for {
 15354  		x0 := v.Args[0]
 15355  		if x0.Op != OpS390XMOVBZloadidx {
 15356  			break
 15357  		}
 15358  		i := x0.AuxInt
 15359  		s := x0.Aux
 15360  		p := x0.Args[0]
 15361  		idx := x0.Args[1]
 15362  		mem := x0.Args[2]
 15363  		s0 := v.Args[1]
 15364  		if s0.Op != OpS390XSLWconst {
 15365  			break
 15366  		}
 15367  		if s0.AuxInt != 8 {
 15368  			break
 15369  		}
 15370  		x1 := s0.Args[0]
 15371  		if x1.Op != OpS390XMOVBZloadidx {
 15372  			break
 15373  		}
 15374  		if x1.AuxInt != i+1 {
 15375  			break
 15376  		}
 15377  		if x1.Aux != s {
 15378  			break
 15379  		}
 15380  		if p != x1.Args[0] {
 15381  			break
 15382  		}
 15383  		if idx != x1.Args[1] {
 15384  			break
 15385  		}
 15386  		if mem != x1.Args[2] {
 15387  			break
 15388  		}
 15389  		if !(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.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
 15394  		v.reset(OpCopy)
 15395  		v.AddArg(v0)
 15396  		v1 := b.NewValue0(v.Line, OpS390XMOVHBRloadidx, v.Type)
 15397  		v1.AuxInt = i
 15398  		v1.Aux = s
 15399  		v1.AddArg(p)
 15400  		v1.AddArg(idx)
 15401  		v1.AddArg(mem)
 15402  		v0.AddArg(v1)
 15403  		return true
 15404  	}
 15405  	// 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)))
 15406  	// 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)
 15407  	// result: @mergePoint(b,x0,x1,x2) (MOVWZreg (MOVWBRloadidx <v.Type> [i] {s} p idx mem))
 15408  	for {
 15409  		o0 := v.Args[0]
 15410  		if o0.Op != OpS390XORW {
 15411  			break
 15412  		}
 15413  		z0 := o0.Args[0]
 15414  		if z0.Op != OpS390XMOVHZreg {
 15415  			break
 15416  		}
 15417  		x0 := z0.Args[0]
 15418  		if x0.Op != OpS390XMOVHBRloadidx {
 15419  			break
 15420  		}
 15421  		i := x0.AuxInt
 15422  		s := x0.Aux
 15423  		p := x0.Args[0]
 15424  		idx := x0.Args[1]
 15425  		mem := x0.Args[2]
 15426  		s0 := o0.Args[1]
 15427  		if s0.Op != OpS390XSLWconst {
 15428  			break
 15429  		}
 15430  		if s0.AuxInt != 16 {
 15431  			break
 15432  		}
 15433  		x1 := s0.Args[0]
 15434  		if x1.Op != OpS390XMOVBZloadidx {
 15435  			break
 15436  		}
 15437  		if x1.AuxInt != i+2 {
 15438  			break
 15439  		}
 15440  		if x1.Aux != s {
 15441  			break
 15442  		}
 15443  		if p != x1.Args[0] {
 15444  			break
 15445  		}
 15446  		if idx != x1.Args[1] {
 15447  			break
 15448  		}
 15449  		if mem != x1.Args[2] {
 15450  			break
 15451  		}
 15452  		s1 := v.Args[1]
 15453  		if s1.Op != OpS390XSLWconst {
 15454  			break
 15455  		}
 15456  		if s1.AuxInt != 24 {
 15457  			break
 15458  		}
 15459  		x2 := s1.Args[0]
 15460  		if x2.Op != OpS390XMOVBZloadidx {
 15461  			break
 15462  		}
 15463  		if x2.AuxInt != i+3 {
 15464  			break
 15465  		}
 15466  		if x2.Aux != s {
 15467  			break
 15468  		}
 15469  		if p != x2.Args[0] {
 15470  			break
 15471  		}
 15472  		if idx != x2.Args[1] {
 15473  			break
 15474  		}
 15475  		if mem != x2.Args[2] {
 15476  			break
 15477  		}
 15478  		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)) {
 15479  			break
 15480  		}
 15481  		b = mergePoint(b, x0, x1, x2)
 15482  		v0 := b.NewValue0(v.Line, OpS390XMOVWZreg, config.fe.TypeUInt64())
 15483  		v.reset(OpCopy)
 15484  		v.AddArg(v0)
 15485  		v1 := b.NewValue0(v.Line, OpS390XMOVWBRloadidx, v.Type)
 15486  		v1.AuxInt = i
 15487  		v1.Aux = s
 15488  		v1.AddArg(p)
 15489  		v1.AddArg(idx)
 15490  		v1.AddArg(mem)
 15491  		v0.AddArg(v1)
 15492  		return true
 15493  	}
 15494  	// match: (ORW                  x0:(MOVBZload [i]   {s} p mem)     s0:(SLWconst [8] x1:(MOVBZload [i-1] {s} p mem)))
 15495  	// cond: p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)
 15496  	// result: @mergePoint(b,x0,x1) (MOVHZload [i-1] {s} p mem)
 15497  	for {
 15498  		x0 := v.Args[0]
 15499  		if x0.Op != OpS390XMOVBZload {
 15500  			break
 15501  		}
 15502  		i := x0.AuxInt
 15503  		s := x0.Aux
 15504  		p := x0.Args[0]
 15505  		mem := x0.Args[1]
 15506  		s0 := v.Args[1]
 15507  		if s0.Op != OpS390XSLWconst {
 15508  			break
 15509  		}
 15510  		if s0.AuxInt != 8 {
 15511  			break
 15512  		}
 15513  		x1 := s0.Args[0]
 15514  		if x1.Op != OpS390XMOVBZload {
 15515  			break
 15516  		}
 15517  		if x1.AuxInt != i-1 {
 15518  			break
 15519  		}
 15520  		if x1.Aux != s {
 15521  			break
 15522  		}
 15523  		if p != x1.Args[0] {
 15524  			break
 15525  		}
 15526  		if mem != x1.Args[1] {
 15527  			break
 15528  		}
 15529  		if !(p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0)) {
 15530  			break
 15531  		}
 15532  		b = mergePoint(b, x0, x1)
 15533  		v0 := b.NewValue0(v.Line, OpS390XMOVHZload, config.fe.TypeUInt16())
 15534  		v.reset(OpCopy)
 15535  		v.AddArg(v0)
 15536  		v0.AuxInt = i - 1
 15537  		v0.Aux = s
 15538  		v0.AddArg(p)
 15539  		v0.AddArg(mem)
 15540  		return true
 15541  	}
 15542  	// 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)))
 15543  	// 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)
 15544  	// result: @mergePoint(b,x0,x1,x2) (MOVWZload [i-2] {s} p mem)
 15545  	for {
 15546  		o0 := v.Args[0]
 15547  		if o0.Op != OpS390XORW {
 15548  			break
 15549  		}
 15550  		x0 := o0.Args[0]
 15551  		if x0.Op != OpS390XMOVHZload {
 15552  			break
 15553  		}
 15554  		i := x0.AuxInt
 15555  		s := x0.Aux
 15556  		p := x0.Args[0]
 15557  		mem := x0.Args[1]
 15558  		s0 := o0.Args[1]
 15559  		if s0.Op != OpS390XSLWconst {
 15560  			break
 15561  		}
 15562  		if s0.AuxInt != 16 {
 15563  			break
 15564  		}
 15565  		x1 := s0.Args[0]
 15566  		if x1.Op != OpS390XMOVBZload {
 15567  			break
 15568  		}
 15569  		if x1.AuxInt != i-1 {
 15570  			break
 15571  		}
 15572  		if x1.Aux != s {
 15573  			break
 15574  		}
 15575  		if p != x1.Args[0] {
 15576  			break
 15577  		}
 15578  		if mem != x1.Args[1] {
 15579  			break
 15580  		}
 15581  		s1 := v.Args[1]
 15582  		if s1.Op != OpS390XSLWconst {
 15583  			break
 15584  		}
 15585  		if s1.AuxInt != 24 {
 15586  			break
 15587  		}
 15588  		x2 := s1.Args[0]
 15589  		if x2.Op != OpS390XMOVBZload {
 15590  			break
 15591  		}
 15592  		if x2.AuxInt != i-2 {
 15593  			break
 15594  		}
 15595  		if x2.Aux != s {
 15596  			break
 15597  		}
 15598  		if p != x2.Args[0] {
 15599  			break
 15600  		}
 15601  		if mem != x2.Args[1] {
 15602  			break
 15603  		}
 15604  		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)) {
 15605  			break
 15606  		}
 15607  		b = mergePoint(b, x0, x1, x2)
 15608  		v0 := b.NewValue0(v.Line, OpS390XMOVWZload, config.fe.TypeUInt32())
 15609  		v.reset(OpCopy)
 15610  		v.AddArg(v0)
 15611  		v0.AuxInt = i - 2
 15612  		v0.Aux = s
 15613  		v0.AddArg(p)
 15614  		v0.AddArg(mem)
 15615  		return true
 15616  	}
 15617  	// match: (ORW                 x0:(MOVBZloadidx [i]   {s} p idx mem)     s0:(SLWconst [8] x1:(MOVBZloadidx [i-1] {s} p idx mem)))
 15618  	// cond: x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)
 15619  	// result: @mergePoint(b,x0,x1) (MOVHZloadidx <v.Type> [i-1] {s} p idx mem)
 15620  	for {
 15621  		x0 := v.Args[0]
 15622  		if x0.Op != OpS390XMOVBZloadidx {
 15623  			break
 15624  		}
 15625  		i := x0.AuxInt
 15626  		s := x0.Aux
 15627  		p := x0.Args[0]
 15628  		idx := x0.Args[1]
 15629  		mem := x0.Args[2]
 15630  		s0 := v.Args[1]
 15631  		if s0.Op != OpS390XSLWconst {
 15632  			break
 15633  		}
 15634  		if s0.AuxInt != 8 {
 15635  			break
 15636  		}
 15637  		x1 := s0.Args[0]
 15638  		if x1.Op != OpS390XMOVBZloadidx {
 15639  			break
 15640  		}
 15641  		if x1.AuxInt != i-1 {
 15642  			break
 15643  		}
 15644  		if x1.Aux != s {
 15645  			break
 15646  		}
 15647  		if p != x1.Args[0] {
 15648  			break
 15649  		}
 15650  		if idx != x1.Args[1] {
 15651  			break
 15652  		}
 15653  		if mem != x1.Args[2] {
 15654  			break
 15655  		}
 15656  		if !(x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0)) {
 15657  			break
 15658  		}
 15659  		b = mergePoint(b, x0, x1)
 15660  		v0 := b.NewValue0(v.Line, OpS390XMOVHZloadidx, v.Type)
 15661  		v.reset(OpCopy)
 15662  		v.AddArg(v0)
 15663  		v0.AuxInt = i - 1
 15664  		v0.Aux = s
 15665  		v0.AddArg(p)
 15666  		v0.AddArg(idx)
 15667  		v0.AddArg(mem)
 15668  		return true
 15669  	}
 15670  	// 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)))
 15671  	// 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)
 15672  	// result: @mergePoint(b,x0,x1,x2) (MOVWZloadidx <v.Type> [i-2] {s} p idx mem)
 15673  	for {
 15674  		o0 := v.Args[0]
 15675  		if o0.Op != OpS390XORW {
 15676  			break
 15677  		}
 15678  		x0 := o0.Args[0]
 15679  		if x0.Op != OpS390XMOVHZloadidx {
 15680  			break
 15681  		}
 15682  		i := x0.AuxInt
 15683  		s := x0.Aux
 15684  		p := x0.Args[0]
 15685  		idx := x0.Args[1]
 15686  		mem := x0.Args[2]
 15687  		s0 := o0.Args[1]
 15688  		if s0.Op != OpS390XSLWconst {
 15689  			break
 15690  		}
 15691  		if s0.AuxInt != 16 {
 15692  			break
 15693  		}
 15694  		x1 := s0.Args[0]
 15695  		if x1.Op != OpS390XMOVBZloadidx {
 15696  			break
 15697  		}
 15698  		if x1.AuxInt != i-1 {
 15699  			break
 15700  		}
 15701  		if x1.Aux != s {
 15702  			break
 15703  		}
 15704  		if p != x1.Args[0] {
 15705  			break
 15706  		}
 15707  		if idx != x1.Args[1] {
 15708  			break
 15709  		}
 15710  		if mem != x1.Args[2] {
 15711  			break
 15712  		}
 15713  		s1 := v.Args[1]
 15714  		if s1.Op != OpS390XSLWconst {
 15715  			break
 15716  		}
 15717  		if s1.AuxInt != 24 {
 15718  			break
 15719  		}
 15720  		x2 := s1.Args[0]
 15721  		if x2.Op != OpS390XMOVBZloadidx {
 15722  			break
 15723  		}
 15724  		if x2.AuxInt != i-2 {
 15725  			break
 15726  		}
 15727  		if x2.Aux != s {
 15728  			break
 15729  		}
 15730  		if p != x2.Args[0] {
 15731  			break
 15732  		}
 15733  		if idx != x2.Args[1] {
 15734  			break
 15735  		}
 15736  		if mem != x2.Args[2] {
 15737  			break
 15738  		}
 15739  		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)) {
 15740  			break
 15741  		}
 15742  		b = mergePoint(b, x0, x1, x2)
 15743  		v0 := b.NewValue0(v.Line, OpS390XMOVWZloadidx, v.Type)
 15744  		v.reset(OpCopy)
 15745  		v.AddArg(v0)
 15746  		v0.AuxInt = i - 2
 15747  		v0.Aux = s
 15748  		v0.AddArg(p)
 15749  		v0.AddArg(idx)
 15750  		v0.AddArg(mem)
 15751  		return true
 15752  	}
 15753  	return false
 15754  }
 15755  func rewriteValueS390X_OpS390XORWconst(v *Value, config *Config) bool {
 15756  	b := v.Block
 15757  	_ = b
 15758  	// match: (ORWconst [c] x)
 15759  	// cond: int32(c)==0
 15760  	// result: x
 15761  	for {
 15762  		c := v.AuxInt
 15763  		x := v.Args[0]
 15764  		if !(int32(c) == 0) {
 15765  			break
 15766  		}
 15767  		v.reset(OpCopy)
 15768  		v.Type = x.Type
 15769  		v.AddArg(x)
 15770  		return true
 15771  	}
 15772  	// match: (ORWconst [c] _)
 15773  	// cond: int32(c)==-1
 15774  	// result: (MOVDconst [-1])
 15775  	for {
 15776  		c := v.AuxInt
 15777  		if !(int32(c) == -1) {
 15778  			break
 15779  		}
 15780  		v.reset(OpS390XMOVDconst)
 15781  		v.AuxInt = -1
 15782  		return true
 15783  	}
 15784  	// match: (ORWconst [c] (MOVDconst [d]))
 15785  	// cond:
 15786  	// result: (MOVDconst [c|d])
 15787  	for {
 15788  		c := v.AuxInt
 15789  		v_0 := v.Args[0]
 15790  		if v_0.Op != OpS390XMOVDconst {
 15791  			break
 15792  		}
 15793  		d := v_0.AuxInt
 15794  		v.reset(OpS390XMOVDconst)
 15795  		v.AuxInt = c | d
 15796  		return true
 15797  	}
 15798  	return false
 15799  }
 15800  func rewriteValueS390X_OpS390XORconst(v *Value, config *Config) bool {
 15801  	b := v.Block
 15802  	_ = b
 15803  	// match: (ORconst [0] x)
 15804  	// cond:
 15805  	// result: x
 15806  	for {
 15807  		if v.AuxInt != 0 {
 15808  			break
 15809  		}
 15810  		x := v.Args[0]
 15811  		v.reset(OpCopy)
 15812  		v.Type = x.Type
 15813  		v.AddArg(x)
 15814  		return true
 15815  	}
 15816  	// match: (ORconst [-1] _)
 15817  	// cond:
 15818  	// result: (MOVDconst [-1])
 15819  	for {
 15820  		if v.AuxInt != -1 {
 15821  			break
 15822  		}
 15823  		v.reset(OpS390XMOVDconst)
 15824  		v.AuxInt = -1
 15825  		return true
 15826  	}
 15827  	// match: (ORconst [c] (MOVDconst [d]))
 15828  	// cond:
 15829  	// result: (MOVDconst [c|d])
 15830  	for {
 15831  		c := v.AuxInt
 15832  		v_0 := v.Args[0]
 15833  		if v_0.Op != OpS390XMOVDconst {
 15834  			break
 15835  		}
 15836  		d := v_0.AuxInt
 15837  		v.reset(OpS390XMOVDconst)
 15838  		v.AuxInt = c | d
 15839  		return true
 15840  	}
 15841  	return false
 15842  }
 15843  func rewriteValueS390X_OpS390XSLD(v *Value, config *Config) bool {
 15844  	b := v.Block
 15845  	_ = b
 15846  	// match: (SLD x (MOVDconst [c]))
 15847  	// cond:
 15848  	// result: (SLDconst [c&63] x)
 15849  	for {
 15850  		x := v.Args[0]
 15851  		v_1 := v.Args[1]
 15852  		if v_1.Op != OpS390XMOVDconst {
 15853  			break
 15854  		}
 15855  		c := v_1.AuxInt
 15856  		v.reset(OpS390XSLDconst)
 15857  		v.AuxInt = c & 63
 15858  		v.AddArg(x)
 15859  		return true
 15860  	}
 15861  	// match: (SLD x (ANDconst [63] y))
 15862  	// cond:
 15863  	// result: (SLD x y)
 15864  	for {
 15865  		x := v.Args[0]
 15866  		v_1 := v.Args[1]
 15867  		if v_1.Op != OpS390XANDconst {
 15868  			break
 15869  		}
 15870  		if v_1.AuxInt != 63 {
 15871  			break
 15872  		}
 15873  		y := v_1.Args[0]
 15874  		v.reset(OpS390XSLD)
 15875  		v.AddArg(x)
 15876  		v.AddArg(y)
 15877  		return true
 15878  	}
 15879  	return false
 15880  }
 15881  func rewriteValueS390X_OpS390XSLW(v *Value, config *Config) bool {
 15882  	b := v.Block
 15883  	_ = b
 15884  	// match: (SLW x (MOVDconst [c]))
 15885  	// cond:
 15886  	// result: (SLWconst [c&63] x)
 15887  	for {
 15888  		x := v.Args[0]
 15889  		v_1 := v.Args[1]
 15890  		if v_1.Op != OpS390XMOVDconst {
 15891  			break
 15892  		}
 15893  		c := v_1.AuxInt
 15894  		v.reset(OpS390XSLWconst)
 15895  		v.AuxInt = c & 63
 15896  		v.AddArg(x)
 15897  		return true
 15898  	}
 15899  	// match: (SLW x (ANDWconst [63] y))
 15900  	// cond:
 15901  	// result: (SLW x y)
 15902  	for {
 15903  		x := v.Args[0]
 15904  		v_1 := v.Args[1]
 15905  		if v_1.Op != OpS390XANDWconst {
 15906  			break
 15907  		}
 15908  		if v_1.AuxInt != 63 {
 15909  			break
 15910  		}
 15911  		y := v_1.Args[0]
 15912  		v.reset(OpS390XSLW)
 15913  		v.AddArg(x)
 15914  		v.AddArg(y)
 15915  		return true
 15916  	}
 15917  	return false
 15918  }
 15919  func rewriteValueS390X_OpS390XSRAD(v *Value, config *Config) bool {
 15920  	b := v.Block
 15921  	_ = b
 15922  	// match: (SRAD x (MOVDconst [c]))
 15923  	// cond:
 15924  	// result: (SRADconst [c&63] x)
 15925  	for {
 15926  		x := v.Args[0]
 15927  		v_1 := v.Args[1]
 15928  		if v_1.Op != OpS390XMOVDconst {
 15929  			break
 15930  		}
 15931  		c := v_1.AuxInt
 15932  		v.reset(OpS390XSRADconst)
 15933  		v.AuxInt = c & 63
 15934  		v.AddArg(x)
 15935  		return true
 15936  	}
 15937  	// match: (SRAD x (ANDconst [63] y))
 15938  	// cond:
 15939  	// result: (SRAD x y)
 15940  	for {
 15941  		x := v.Args[0]
 15942  		v_1 := v.Args[1]
 15943  		if v_1.Op != OpS390XANDconst {
 15944  			break
 15945  		}
 15946  		if v_1.AuxInt != 63 {
 15947  			break
 15948  		}
 15949  		y := v_1.Args[0]
 15950  		v.reset(OpS390XSRAD)
 15951  		v.AddArg(x)
 15952  		v.AddArg(y)
 15953  		return true
 15954  	}
 15955  	return false
 15956  }
 15957  func rewriteValueS390X_OpS390XSRADconst(v *Value, config *Config) bool {
 15958  	b := v.Block
 15959  	_ = b
 15960  	// match: (SRADconst [c] (MOVDconst [d]))
 15961  	// cond:
 15962  	// result: (MOVDconst [d>>uint64(c)])
 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 = d >> uint64(c)
 15972  		return true
 15973  	}
 15974  	return false
 15975  }
 15976  func rewriteValueS390X_OpS390XSRAW(v *Value, config *Config) bool {
 15977  	b := v.Block
 15978  	_ = b
 15979  	// match: (SRAW x (MOVDconst [c]))
 15980  	// cond:
 15981  	// result: (SRAWconst [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(OpS390XSRAWconst)
 15990  		v.AuxInt = c & 63
 15991  		v.AddArg(x)
 15992  		return true
 15993  	}
 15994  	// match: (SRAW x (ANDWconst [63] y))
 15995  	// cond:
 15996  	// result: (SRAW x y)
 15997  	for {
 15998  		x := v.Args[0]
 15999  		v_1 := v.Args[1]
 16000  		if v_1.Op != OpS390XANDWconst {
 16001  			break
 16002  		}
 16003  		if v_1.AuxInt != 63 {
 16004  			break
 16005  		}
 16006  		y := v_1.Args[0]
 16007  		v.reset(OpS390XSRAW)
 16008  		v.AddArg(x)
 16009  		v.AddArg(y)
 16010  		return true
 16011  	}
 16012  	return false
 16013  }
 16014  func rewriteValueS390X_OpS390XSRAWconst(v *Value, config *Config) bool {
 16015  	b := v.Block
 16016  	_ = b
 16017  	// match: (SRAWconst [c] (MOVDconst [d]))
 16018  	// cond:
 16019  	// result: (MOVDconst [d>>uint64(c)])
 16020  	for {
 16021  		c := v.AuxInt
 16022  		v_0 := v.Args[0]
 16023  		if v_0.Op != OpS390XMOVDconst {
 16024  			break
 16025  		}
 16026  		d := v_0.AuxInt
 16027  		v.reset(OpS390XMOVDconst)
 16028  		v.AuxInt = d >> uint64(c)
 16029  		return true
 16030  	}
 16031  	return false
 16032  }
 16033  func rewriteValueS390X_OpS390XSRD(v *Value, config *Config) bool {
 16034  	b := v.Block
 16035  	_ = b
 16036  	// match: (SRD x (MOVDconst [c]))
 16037  	// cond:
 16038  	// result: (SRDconst [c&63] x)
 16039  	for {
 16040  		x := v.Args[0]
 16041  		v_1 := v.Args[1]
 16042  		if v_1.Op != OpS390XMOVDconst {
 16043  			break
 16044  		}
 16045  		c := v_1.AuxInt
 16046  		v.reset(OpS390XSRDconst)
 16047  		v.AuxInt = c & 63
 16048  		v.AddArg(x)
 16049  		return true
 16050  	}
 16051  	// match: (SRD x (ANDconst [63] y))
 16052  	// cond:
 16053  	// result: (SRD x y)
 16054  	for {
 16055  		x := v.Args[0]
 16056  		v_1 := v.Args[1]
 16057  		if v_1.Op != OpS390XANDconst {
 16058  			break
 16059  		}
 16060  		if v_1.AuxInt != 63 {
 16061  			break
 16062  		}
 16063  		y := v_1.Args[0]
 16064  		v.reset(OpS390XSRD)
 16065  		v.AddArg(x)
 16066  		v.AddArg(y)
 16067  		return true
 16068  	}
 16069  	return false
 16070  }
 16071  func rewriteValueS390X_OpS390XSRW(v *Value, config *Config) bool {
 16072  	b := v.Block
 16073  	_ = b
 16074  	// match: (SRW x (MOVDconst [c]))
 16075  	// cond:
 16076  	// result: (SRWconst [c&63] x)
 16077  	for {
 16078  		x := v.Args[0]
 16079  		v_1 := v.Args[1]
 16080  		if v_1.Op != OpS390XMOVDconst {
 16081  			break
 16082  		}
 16083  		c := v_1.AuxInt
 16084  		v.reset(OpS390XSRWconst)
 16085  		v.AuxInt = c & 63
 16086  		v.AddArg(x)
 16087  		return true
 16088  	}
 16089  	// match: (SRW x (ANDWconst [63] y))
 16090  	// cond:
 16091  	// result: (SRW x y)
 16092  	for {
 16093  		x := v.Args[0]
 16094  		v_1 := v.Args[1]
 16095  		if v_1.Op != OpS390XANDWconst {
 16096  			break
 16097  		}
 16098  		if v_1.AuxInt != 63 {
 16099  			break
 16100  		}
 16101  		y := v_1.Args[0]
 16102  		v.reset(OpS390XSRW)
 16103  		v.AddArg(x)
 16104  		v.AddArg(y)
 16105  		return true
 16106  	}
 16107  	return false
 16108  }
 16109  func rewriteValueS390X_OpS390XSTM2(v *Value, config *Config) bool {
 16110  	b := v.Block
 16111  	_ = b
 16112  	// match: (STM2 [i] {s} p w2 w3 x:(STM2 [i-8] {s} p w0 w1 mem))
 16113  	// cond: x.Uses == 1   && is20Bit(i-8)   && clobber(x)
 16114  	// result: (STM4 [i-8] {s} p w0 w1 w2 w3 mem)
 16115  	for {
 16116  		i := v.AuxInt
 16117  		s := v.Aux
 16118  		p := v.Args[0]
 16119  		w2 := v.Args[1]
 16120  		w3 := v.Args[2]
 16121  		x := v.Args[3]
 16122  		if x.Op != OpS390XSTM2 {
 16123  			break
 16124  		}
 16125  		if x.AuxInt != i-8 {
 16126  			break
 16127  		}
 16128  		if x.Aux != s {
 16129  			break
 16130  		}
 16131  		if p != x.Args[0] {
 16132  			break
 16133  		}
 16134  		w0 := x.Args[1]
 16135  		w1 := x.Args[2]
 16136  		mem := x.Args[3]
 16137  		if !(x.Uses == 1 && is20Bit(i-8) && clobber(x)) {
 16138  			break
 16139  		}
 16140  		v.reset(OpS390XSTM4)
 16141  		v.AuxInt = i - 8
 16142  		v.Aux = s
 16143  		v.AddArg(p)
 16144  		v.AddArg(w0)
 16145  		v.AddArg(w1)
 16146  		v.AddArg(w2)
 16147  		v.AddArg(w3)
 16148  		v.AddArg(mem)
 16149  		return true
 16150  	}
 16151  	// match: (STM2 [i] {s} p (SRDconst [32] x) x mem)
 16152  	// cond:
 16153  	// result: (MOVDstore [i] {s} p x mem)
 16154  	for {
 16155  		i := v.AuxInt
 16156  		s := v.Aux
 16157  		p := v.Args[0]
 16158  		v_1 := v.Args[1]
 16159  		if v_1.Op != OpS390XSRDconst {
 16160  			break
 16161  		}
 16162  		if v_1.AuxInt != 32 {
 16163  			break
 16164  		}
 16165  		x := v_1.Args[0]
 16166  		if x != v.Args[2] {
 16167  			break
 16168  		}
 16169  		mem := v.Args[3]
 16170  		v.reset(OpS390XMOVDstore)
 16171  		v.AuxInt = i
 16172  		v.Aux = s
 16173  		v.AddArg(p)
 16174  		v.AddArg(x)
 16175  		v.AddArg(mem)
 16176  		return true
 16177  	}
 16178  	return false
 16179  }
 16180  func rewriteValueS390X_OpS390XSTMG2(v *Value, config *Config) bool {
 16181  	b := v.Block
 16182  	_ = b
 16183  	// match: (STMG2 [i] {s} p w2 w3 x:(STMG2 [i-16] {s} p w0 w1 mem))
 16184  	// cond: x.Uses == 1   && is20Bit(i-16)   && clobber(x)
 16185  	// result: (STMG4 [i-16] {s} p w0 w1 w2 w3 mem)
 16186  	for {
 16187  		i := v.AuxInt
 16188  		s := v.Aux
 16189  		p := v.Args[0]
 16190  		w2 := v.Args[1]
 16191  		w3 := v.Args[2]
 16192  		x := v.Args[3]
 16193  		if x.Op != OpS390XSTMG2 {
 16194  			break
 16195  		}
 16196  		if x.AuxInt != i-16 {
 16197  			break
 16198  		}
 16199  		if x.Aux != s {
 16200  			break
 16201  		}
 16202  		if p != x.Args[0] {
 16203  			break
 16204  		}
 16205  		w0 := x.Args[1]
 16206  		w1 := x.Args[2]
 16207  		mem := x.Args[3]
 16208  		if !(x.Uses == 1 && is20Bit(i-16) && clobber(x)) {
 16209  			break
 16210  		}
 16211  		v.reset(OpS390XSTMG4)
 16212  		v.AuxInt = i - 16
 16213  		v.Aux = s
 16214  		v.AddArg(p)
 16215  		v.AddArg(w0)
 16216  		v.AddArg(w1)
 16217  		v.AddArg(w2)
 16218  		v.AddArg(w3)
 16219  		v.AddArg(mem)
 16220  		return true
 16221  	}
 16222  	return false
 16223  }
 16224  func rewriteValueS390X_OpS390XSUB(v *Value, config *Config) bool {
 16225  	b := v.Block
 16226  	_ = b
 16227  	// match: (SUB x (MOVDconst [c]))
 16228  	// cond: is32Bit(c)
 16229  	// result: (SUBconst x [c])
 16230  	for {
 16231  		x := v.Args[0]
 16232  		v_1 := v.Args[1]
 16233  		if v_1.Op != OpS390XMOVDconst {
 16234  			break
 16235  		}
 16236  		c := v_1.AuxInt
 16237  		if !(is32Bit(c)) {
 16238  			break
 16239  		}
 16240  		v.reset(OpS390XSUBconst)
 16241  		v.AuxInt = c
 16242  		v.AddArg(x)
 16243  		return true
 16244  	}
 16245  	// match: (SUB (MOVDconst [c]) x)
 16246  	// cond: is32Bit(c)
 16247  	// result: (NEG (SUBconst <v.Type> x [c]))
 16248  	for {
 16249  		v_0 := v.Args[0]
 16250  		if v_0.Op != OpS390XMOVDconst {
 16251  			break
 16252  		}
 16253  		c := v_0.AuxInt
 16254  		x := v.Args[1]
 16255  		if !(is32Bit(c)) {
 16256  			break
 16257  		}
 16258  		v.reset(OpS390XNEG)
 16259  		v0 := b.NewValue0(v.Line, OpS390XSUBconst, v.Type)
 16260  		v0.AuxInt = c
 16261  		v0.AddArg(x)
 16262  		v.AddArg(v0)
 16263  		return true
 16264  	}
 16265  	// match: (SUB x x)
 16266  	// cond:
 16267  	// result: (MOVDconst [0])
 16268  	for {
 16269  		x := v.Args[0]
 16270  		if x != v.Args[1] {
 16271  			break
 16272  		}
 16273  		v.reset(OpS390XMOVDconst)
 16274  		v.AuxInt = 0
 16275  		return true
 16276  	}
 16277  	// match: (SUB <t> x g:(MOVDload [off] {sym} ptr mem))
 16278  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16279  	// result: (SUBload <t> [off] {sym} x ptr mem)
 16280  	for {
 16281  		t := v.Type
 16282  		x := v.Args[0]
 16283  		g := v.Args[1]
 16284  		if g.Op != OpS390XMOVDload {
 16285  			break
 16286  		}
 16287  		off := g.AuxInt
 16288  		sym := g.Aux
 16289  		ptr := g.Args[0]
 16290  		mem := g.Args[1]
 16291  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16292  			break
 16293  		}
 16294  		v.reset(OpS390XSUBload)
 16295  		v.Type = t
 16296  		v.AuxInt = off
 16297  		v.Aux = sym
 16298  		v.AddArg(x)
 16299  		v.AddArg(ptr)
 16300  		v.AddArg(mem)
 16301  		return true
 16302  	}
 16303  	return false
 16304  }
 16305  func rewriteValueS390X_OpS390XSUBEWcarrymask(v *Value, config *Config) bool {
 16306  	b := v.Block
 16307  	_ = b
 16308  	// match: (SUBEWcarrymask (FlagEQ))
 16309  	// cond:
 16310  	// result: (MOVDconst [-1])
 16311  	for {
 16312  		v_0 := v.Args[0]
 16313  		if v_0.Op != OpS390XFlagEQ {
 16314  			break
 16315  		}
 16316  		v.reset(OpS390XMOVDconst)
 16317  		v.AuxInt = -1
 16318  		return true
 16319  	}
 16320  	// match: (SUBEWcarrymask (FlagLT))
 16321  	// cond:
 16322  	// result: (MOVDconst [-1])
 16323  	for {
 16324  		v_0 := v.Args[0]
 16325  		if v_0.Op != OpS390XFlagLT {
 16326  			break
 16327  		}
 16328  		v.reset(OpS390XMOVDconst)
 16329  		v.AuxInt = -1
 16330  		return true
 16331  	}
 16332  	// match: (SUBEWcarrymask (FlagGT))
 16333  	// cond:
 16334  	// result: (MOVDconst [0])
 16335  	for {
 16336  		v_0 := v.Args[0]
 16337  		if v_0.Op != OpS390XFlagGT {
 16338  			break
 16339  		}
 16340  		v.reset(OpS390XMOVDconst)
 16341  		v.AuxInt = 0
 16342  		return true
 16343  	}
 16344  	return false
 16345  }
 16346  func rewriteValueS390X_OpS390XSUBEcarrymask(v *Value, config *Config) bool {
 16347  	b := v.Block
 16348  	_ = b
 16349  	// match: (SUBEcarrymask (FlagEQ))
 16350  	// cond:
 16351  	// result: (MOVDconst [-1])
 16352  	for {
 16353  		v_0 := v.Args[0]
 16354  		if v_0.Op != OpS390XFlagEQ {
 16355  			break
 16356  		}
 16357  		v.reset(OpS390XMOVDconst)
 16358  		v.AuxInt = -1
 16359  		return true
 16360  	}
 16361  	// match: (SUBEcarrymask (FlagLT))
 16362  	// cond:
 16363  	// result: (MOVDconst [-1])
 16364  	for {
 16365  		v_0 := v.Args[0]
 16366  		if v_0.Op != OpS390XFlagLT {
 16367  			break
 16368  		}
 16369  		v.reset(OpS390XMOVDconst)
 16370  		v.AuxInt = -1
 16371  		return true
 16372  	}
 16373  	// match: (SUBEcarrymask (FlagGT))
 16374  	// cond:
 16375  	// result: (MOVDconst [0])
 16376  	for {
 16377  		v_0 := v.Args[0]
 16378  		if v_0.Op != OpS390XFlagGT {
 16379  			break
 16380  		}
 16381  		v.reset(OpS390XMOVDconst)
 16382  		v.AuxInt = 0
 16383  		return true
 16384  	}
 16385  	return false
 16386  }
 16387  func rewriteValueS390X_OpS390XSUBW(v *Value, config *Config) bool {
 16388  	b := v.Block
 16389  	_ = b
 16390  	// match: (SUBW x (MOVDconst [c]))
 16391  	// cond:
 16392  	// result: (SUBWconst x [c])
 16393  	for {
 16394  		x := v.Args[0]
 16395  		v_1 := v.Args[1]
 16396  		if v_1.Op != OpS390XMOVDconst {
 16397  			break
 16398  		}
 16399  		c := v_1.AuxInt
 16400  		v.reset(OpS390XSUBWconst)
 16401  		v.AuxInt = c
 16402  		v.AddArg(x)
 16403  		return true
 16404  	}
 16405  	// match: (SUBW (MOVDconst [c]) x)
 16406  	// cond:
 16407  	// result: (NEGW (SUBWconst <v.Type> x [c]))
 16408  	for {
 16409  		v_0 := v.Args[0]
 16410  		if v_0.Op != OpS390XMOVDconst {
 16411  			break
 16412  		}
 16413  		c := v_0.AuxInt
 16414  		x := v.Args[1]
 16415  		v.reset(OpS390XNEGW)
 16416  		v0 := b.NewValue0(v.Line, OpS390XSUBWconst, v.Type)
 16417  		v0.AuxInt = c
 16418  		v0.AddArg(x)
 16419  		v.AddArg(v0)
 16420  		return true
 16421  	}
 16422  	// match: (SUBW x x)
 16423  	// cond:
 16424  	// result: (MOVDconst [0])
 16425  	for {
 16426  		x := v.Args[0]
 16427  		if x != v.Args[1] {
 16428  			break
 16429  		}
 16430  		v.reset(OpS390XMOVDconst)
 16431  		v.AuxInt = 0
 16432  		return true
 16433  	}
 16434  	// match: (SUBW <t> x g:(MOVWload [off] {sym} ptr mem))
 16435  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16436  	// result: (SUBWload <t> [off] {sym} x ptr mem)
 16437  	for {
 16438  		t := v.Type
 16439  		x := v.Args[0]
 16440  		g := v.Args[1]
 16441  		if g.Op != OpS390XMOVWload {
 16442  			break
 16443  		}
 16444  		off := g.AuxInt
 16445  		sym := g.Aux
 16446  		ptr := g.Args[0]
 16447  		mem := g.Args[1]
 16448  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16449  			break
 16450  		}
 16451  		v.reset(OpS390XSUBWload)
 16452  		v.Type = t
 16453  		v.AuxInt = off
 16454  		v.Aux = sym
 16455  		v.AddArg(x)
 16456  		v.AddArg(ptr)
 16457  		v.AddArg(mem)
 16458  		return true
 16459  	}
 16460  	// match: (SUBW <t> x g:(MOVWZload [off] {sym} ptr mem))
 16461  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16462  	// result: (SUBWload <t> [off] {sym} x ptr mem)
 16463  	for {
 16464  		t := v.Type
 16465  		x := v.Args[0]
 16466  		g := v.Args[1]
 16467  		if g.Op != OpS390XMOVWZload {
 16468  			break
 16469  		}
 16470  		off := g.AuxInt
 16471  		sym := g.Aux
 16472  		ptr := g.Args[0]
 16473  		mem := g.Args[1]
 16474  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16475  			break
 16476  		}
 16477  		v.reset(OpS390XSUBWload)
 16478  		v.Type = t
 16479  		v.AuxInt = off
 16480  		v.Aux = sym
 16481  		v.AddArg(x)
 16482  		v.AddArg(ptr)
 16483  		v.AddArg(mem)
 16484  		return true
 16485  	}
 16486  	return false
 16487  }
 16488  func rewriteValueS390X_OpS390XSUBWconst(v *Value, config *Config) bool {
 16489  	b := v.Block
 16490  	_ = b
 16491  	// match: (SUBWconst [c] x)
 16492  	// cond: int32(c) == 0
 16493  	// result: x
 16494  	for {
 16495  		c := v.AuxInt
 16496  		x := v.Args[0]
 16497  		if !(int32(c) == 0) {
 16498  			break
 16499  		}
 16500  		v.reset(OpCopy)
 16501  		v.Type = x.Type
 16502  		v.AddArg(x)
 16503  		return true
 16504  	}
 16505  	// match: (SUBWconst [c] x)
 16506  	// cond:
 16507  	// result: (ADDWconst [int64(int32(-c))] x)
 16508  	for {
 16509  		c := v.AuxInt
 16510  		x := v.Args[0]
 16511  		v.reset(OpS390XADDWconst)
 16512  		v.AuxInt = int64(int32(-c))
 16513  		v.AddArg(x)
 16514  		return true
 16515  	}
 16516  }
 16517  func rewriteValueS390X_OpS390XSUBconst(v *Value, config *Config) bool {
 16518  	b := v.Block
 16519  	_ = b
 16520  	// match: (SUBconst [0] x)
 16521  	// cond:
 16522  	// result: x
 16523  	for {
 16524  		if v.AuxInt != 0 {
 16525  			break
 16526  		}
 16527  		x := v.Args[0]
 16528  		v.reset(OpCopy)
 16529  		v.Type = x.Type
 16530  		v.AddArg(x)
 16531  		return true
 16532  	}
 16533  	// match: (SUBconst [c] x)
 16534  	// cond: c != -(1<<31)
 16535  	// result: (ADDconst [-c] x)
 16536  	for {
 16537  		c := v.AuxInt
 16538  		x := v.Args[0]
 16539  		if !(c != -(1 << 31)) {
 16540  			break
 16541  		}
 16542  		v.reset(OpS390XADDconst)
 16543  		v.AuxInt = -c
 16544  		v.AddArg(x)
 16545  		return true
 16546  	}
 16547  	// match: (SUBconst (MOVDconst [d]) [c])
 16548  	// cond:
 16549  	// result: (MOVDconst [d-c])
 16550  	for {
 16551  		c := v.AuxInt
 16552  		v_0 := v.Args[0]
 16553  		if v_0.Op != OpS390XMOVDconst {
 16554  			break
 16555  		}
 16556  		d := v_0.AuxInt
 16557  		v.reset(OpS390XMOVDconst)
 16558  		v.AuxInt = d - c
 16559  		return true
 16560  	}
 16561  	// match: (SUBconst (SUBconst x [d]) [c])
 16562  	// cond: is32Bit(-c-d)
 16563  	// result: (ADDconst [-c-d] x)
 16564  	for {
 16565  		c := v.AuxInt
 16566  		v_0 := v.Args[0]
 16567  		if v_0.Op != OpS390XSUBconst {
 16568  			break
 16569  		}
 16570  		d := v_0.AuxInt
 16571  		x := v_0.Args[0]
 16572  		if !(is32Bit(-c - d)) {
 16573  			break
 16574  		}
 16575  		v.reset(OpS390XADDconst)
 16576  		v.AuxInt = -c - d
 16577  		v.AddArg(x)
 16578  		return true
 16579  	}
 16580  	return false
 16581  }
 16582  func rewriteValueS390X_OpS390XXOR(v *Value, config *Config) bool {
 16583  	b := v.Block
 16584  	_ = b
 16585  	// match: (XOR x (MOVDconst [c]))
 16586  	// cond: isU32Bit(c)
 16587  	// result: (XORconst [c] x)
 16588  	for {
 16589  		x := v.Args[0]
 16590  		v_1 := v.Args[1]
 16591  		if v_1.Op != OpS390XMOVDconst {
 16592  			break
 16593  		}
 16594  		c := v_1.AuxInt
 16595  		if !(isU32Bit(c)) {
 16596  			break
 16597  		}
 16598  		v.reset(OpS390XXORconst)
 16599  		v.AuxInt = c
 16600  		v.AddArg(x)
 16601  		return true
 16602  	}
 16603  	// match: (XOR (MOVDconst [c]) x)
 16604  	// cond: isU32Bit(c)
 16605  	// result: (XORconst [c] x)
 16606  	for {
 16607  		v_0 := v.Args[0]
 16608  		if v_0.Op != OpS390XMOVDconst {
 16609  			break
 16610  		}
 16611  		c := v_0.AuxInt
 16612  		x := v.Args[1]
 16613  		if !(isU32Bit(c)) {
 16614  			break
 16615  		}
 16616  		v.reset(OpS390XXORconst)
 16617  		v.AuxInt = c
 16618  		v.AddArg(x)
 16619  		return true
 16620  	}
 16621  	// match: (XOR (MOVDconst [c]) (MOVDconst [d]))
 16622  	// cond:
 16623  	// result: (MOVDconst [c^d])
 16624  	for {
 16625  		v_0 := v.Args[0]
 16626  		if v_0.Op != OpS390XMOVDconst {
 16627  			break
 16628  		}
 16629  		c := v_0.AuxInt
 16630  		v_1 := v.Args[1]
 16631  		if v_1.Op != OpS390XMOVDconst {
 16632  			break
 16633  		}
 16634  		d := v_1.AuxInt
 16635  		v.reset(OpS390XMOVDconst)
 16636  		v.AuxInt = c ^ d
 16637  		return true
 16638  	}
 16639  	// match: (XOR x x)
 16640  	// cond:
 16641  	// result: (MOVDconst [0])
 16642  	for {
 16643  		x := v.Args[0]
 16644  		if x != v.Args[1] {
 16645  			break
 16646  		}
 16647  		v.reset(OpS390XMOVDconst)
 16648  		v.AuxInt = 0
 16649  		return true
 16650  	}
 16651  	// match: (XOR <t> x g:(MOVDload [off] {sym} ptr mem))
 16652  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16653  	// result: (XORload <t> [off] {sym} x ptr mem)
 16654  	for {
 16655  		t := v.Type
 16656  		x := v.Args[0]
 16657  		g := v.Args[1]
 16658  		if g.Op != OpS390XMOVDload {
 16659  			break
 16660  		}
 16661  		off := g.AuxInt
 16662  		sym := g.Aux
 16663  		ptr := g.Args[0]
 16664  		mem := g.Args[1]
 16665  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16666  			break
 16667  		}
 16668  		v.reset(OpS390XXORload)
 16669  		v.Type = t
 16670  		v.AuxInt = off
 16671  		v.Aux = sym
 16672  		v.AddArg(x)
 16673  		v.AddArg(ptr)
 16674  		v.AddArg(mem)
 16675  		return true
 16676  	}
 16677  	// match: (XOR <t> g:(MOVDload [off] {sym} ptr mem) x)
 16678  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16679  	// result: (XORload <t> [off] {sym} x ptr mem)
 16680  	for {
 16681  		t := v.Type
 16682  		g := v.Args[0]
 16683  		if g.Op != OpS390XMOVDload {
 16684  			break
 16685  		}
 16686  		off := g.AuxInt
 16687  		sym := g.Aux
 16688  		ptr := g.Args[0]
 16689  		mem := g.Args[1]
 16690  		x := v.Args[1]
 16691  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16692  			break
 16693  		}
 16694  		v.reset(OpS390XXORload)
 16695  		v.Type = t
 16696  		v.AuxInt = off
 16697  		v.Aux = sym
 16698  		v.AddArg(x)
 16699  		v.AddArg(ptr)
 16700  		v.AddArg(mem)
 16701  		return true
 16702  	}
 16703  	return false
 16704  }
 16705  func rewriteValueS390X_OpS390XXORW(v *Value, config *Config) bool {
 16706  	b := v.Block
 16707  	_ = b
 16708  	// match: (XORW x (MOVDconst [c]))
 16709  	// cond:
 16710  	// result: (XORWconst [c] x)
 16711  	for {
 16712  		x := v.Args[0]
 16713  		v_1 := v.Args[1]
 16714  		if v_1.Op != OpS390XMOVDconst {
 16715  			break
 16716  		}
 16717  		c := v_1.AuxInt
 16718  		v.reset(OpS390XXORWconst)
 16719  		v.AuxInt = c
 16720  		v.AddArg(x)
 16721  		return true
 16722  	}
 16723  	// match: (XORW (MOVDconst [c]) x)
 16724  	// cond:
 16725  	// result: (XORWconst [c] x)
 16726  	for {
 16727  		v_0 := v.Args[0]
 16728  		if v_0.Op != OpS390XMOVDconst {
 16729  			break
 16730  		}
 16731  		c := v_0.AuxInt
 16732  		x := v.Args[1]
 16733  		v.reset(OpS390XXORWconst)
 16734  		v.AuxInt = c
 16735  		v.AddArg(x)
 16736  		return true
 16737  	}
 16738  	// match: (XORW x x)
 16739  	// cond:
 16740  	// result: (MOVDconst [0])
 16741  	for {
 16742  		x := v.Args[0]
 16743  		if x != v.Args[1] {
 16744  			break
 16745  		}
 16746  		v.reset(OpS390XMOVDconst)
 16747  		v.AuxInt = 0
 16748  		return true
 16749  	}
 16750  	// match: (XORW <t> x g:(MOVWload [off] {sym} ptr mem))
 16751  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16752  	// result: (XORWload <t> [off] {sym} x ptr mem)
 16753  	for {
 16754  		t := v.Type
 16755  		x := v.Args[0]
 16756  		g := v.Args[1]
 16757  		if g.Op != OpS390XMOVWload {
 16758  			break
 16759  		}
 16760  		off := g.AuxInt
 16761  		sym := g.Aux
 16762  		ptr := g.Args[0]
 16763  		mem := g.Args[1]
 16764  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16765  			break
 16766  		}
 16767  		v.reset(OpS390XXORWload)
 16768  		v.Type = t
 16769  		v.AuxInt = off
 16770  		v.Aux = sym
 16771  		v.AddArg(x)
 16772  		v.AddArg(ptr)
 16773  		v.AddArg(mem)
 16774  		return true
 16775  	}
 16776  	// match: (XORW <t> g:(MOVWload [off] {sym} ptr mem) x)
 16777  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16778  	// result: (XORWload <t> [off] {sym} x ptr mem)
 16779  	for {
 16780  		t := v.Type
 16781  		g := v.Args[0]
 16782  		if g.Op != OpS390XMOVWload {
 16783  			break
 16784  		}
 16785  		off := g.AuxInt
 16786  		sym := g.Aux
 16787  		ptr := g.Args[0]
 16788  		mem := g.Args[1]
 16789  		x := v.Args[1]
 16790  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16791  			break
 16792  		}
 16793  		v.reset(OpS390XXORWload)
 16794  		v.Type = t
 16795  		v.AuxInt = off
 16796  		v.Aux = sym
 16797  		v.AddArg(x)
 16798  		v.AddArg(ptr)
 16799  		v.AddArg(mem)
 16800  		return true
 16801  	}
 16802  	// match: (XORW <t> x g:(MOVWZload [off] {sym} ptr mem))
 16803  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16804  	// result: (XORWload <t> [off] {sym} x ptr mem)
 16805  	for {
 16806  		t := v.Type
 16807  		x := v.Args[0]
 16808  		g := v.Args[1]
 16809  		if g.Op != OpS390XMOVWZload {
 16810  			break
 16811  		}
 16812  		off := g.AuxInt
 16813  		sym := g.Aux
 16814  		ptr := g.Args[0]
 16815  		mem := g.Args[1]
 16816  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16817  			break
 16818  		}
 16819  		v.reset(OpS390XXORWload)
 16820  		v.Type = t
 16821  		v.AuxInt = off
 16822  		v.Aux = sym
 16823  		v.AddArg(x)
 16824  		v.AddArg(ptr)
 16825  		v.AddArg(mem)
 16826  		return true
 16827  	}
 16828  	// match: (XORW <t> g:(MOVWZload [off] {sym} ptr mem) x)
 16829  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16830  	// result: (XORWload <t> [off] {sym} x ptr mem)
 16831  	for {
 16832  		t := v.Type
 16833  		g := v.Args[0]
 16834  		if g.Op != OpS390XMOVWZload {
 16835  			break
 16836  		}
 16837  		off := g.AuxInt
 16838  		sym := g.Aux
 16839  		ptr := g.Args[0]
 16840  		mem := g.Args[1]
 16841  		x := v.Args[1]
 16842  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16843  			break
 16844  		}
 16845  		v.reset(OpS390XXORWload)
 16846  		v.Type = t
 16847  		v.AuxInt = off
 16848  		v.Aux = sym
 16849  		v.AddArg(x)
 16850  		v.AddArg(ptr)
 16851  		v.AddArg(mem)
 16852  		return true
 16853  	}
 16854  	return false
 16855  }
 16856  func rewriteValueS390X_OpS390XXORWconst(v *Value, config *Config) bool {
 16857  	b := v.Block
 16858  	_ = b
 16859  	// match: (XORWconst [c] x)
 16860  	// cond: int32(c)==0
 16861  	// result: x
 16862  	for {
 16863  		c := v.AuxInt
 16864  		x := v.Args[0]
 16865  		if !(int32(c) == 0) {
 16866  			break
 16867  		}
 16868  		v.reset(OpCopy)
 16869  		v.Type = x.Type
 16870  		v.AddArg(x)
 16871  		return true
 16872  	}
 16873  	// match: (XORWconst [c] (MOVDconst [d]))
 16874  	// cond:
 16875  	// result: (MOVDconst [c^d])
 16876  	for {
 16877  		c := v.AuxInt
 16878  		v_0 := v.Args[0]
 16879  		if v_0.Op != OpS390XMOVDconst {
 16880  			break
 16881  		}
 16882  		d := v_0.AuxInt
 16883  		v.reset(OpS390XMOVDconst)
 16884  		v.AuxInt = c ^ d
 16885  		return true
 16886  	}
 16887  	return false
 16888  }
 16889  func rewriteValueS390X_OpS390XXORconst(v *Value, config *Config) bool {
 16890  	b := v.Block
 16891  	_ = b
 16892  	// match: (XORconst [0] x)
 16893  	// cond:
 16894  	// result: x
 16895  	for {
 16896  		if v.AuxInt != 0 {
 16897  			break
 16898  		}
 16899  		x := v.Args[0]
 16900  		v.reset(OpCopy)
 16901  		v.Type = x.Type
 16902  		v.AddArg(x)
 16903  		return true
 16904  	}
 16905  	// match: (XORconst [c] (MOVDconst [d]))
 16906  	// cond:
 16907  	// result: (MOVDconst [c^d])
 16908  	for {
 16909  		c := v.AuxInt
 16910  		v_0 := v.Args[0]
 16911  		if v_0.Op != OpS390XMOVDconst {
 16912  			break
 16913  		}
 16914  		d := v_0.AuxInt
 16915  		v.reset(OpS390XMOVDconst)
 16916  		v.AuxInt = c ^ d
 16917  		return true
 16918  	}
 16919  	return false
 16920  }
 16921  func rewriteValueS390X_OpSelect0(v *Value, config *Config) bool {
 16922  	b := v.Block
 16923  	_ = b
 16924  	// match: (Select0 <t> (AddTupleFirst32 tuple val))
 16925  	// cond:
 16926  	// result: (ADDW val (Select0 <t> tuple))
 16927  	for {
 16928  		t := v.Type
 16929  		v_0 := v.Args[0]
 16930  		if v_0.Op != OpS390XAddTupleFirst32 {
 16931  			break
 16932  		}
 16933  		tuple := v_0.Args[0]
 16934  		val := v_0.Args[1]
 16935  		v.reset(OpS390XADDW)
 16936  		v.AddArg(val)
 16937  		v0 := b.NewValue0(v.Line, OpSelect0, t)
 16938  		v0.AddArg(tuple)
 16939  		v.AddArg(v0)
 16940  		return true
 16941  	}
 16942  	// match: (Select0 <t> (AddTupleFirst64 tuple val))
 16943  	// cond:
 16944  	// result: (ADD val (Select0 <t> tuple))
 16945  	for {
 16946  		t := v.Type
 16947  		v_0 := v.Args[0]
 16948  		if v_0.Op != OpS390XAddTupleFirst64 {
 16949  			break
 16950  		}
 16951  		tuple := v_0.Args[0]
 16952  		val := v_0.Args[1]
 16953  		v.reset(OpS390XADD)
 16954  		v.AddArg(val)
 16955  		v0 := b.NewValue0(v.Line, OpSelect0, t)
 16956  		v0.AddArg(tuple)
 16957  		v.AddArg(v0)
 16958  		return true
 16959  	}
 16960  	return false
 16961  }
 16962  func rewriteValueS390X_OpSelect1(v *Value, config *Config) bool {
 16963  	b := v.Block
 16964  	_ = b
 16965  	// match: (Select1     (AddTupleFirst32 tuple _  ))
 16966  	// cond:
 16967  	// result: (Select1 tuple)
 16968  	for {
 16969  		v_0 := v.Args[0]
 16970  		if v_0.Op != OpS390XAddTupleFirst32 {
 16971  			break
 16972  		}
 16973  		tuple := v_0.Args[0]
 16974  		v.reset(OpSelect1)
 16975  		v.AddArg(tuple)
 16976  		return true
 16977  	}
 16978  	// match: (Select1     (AddTupleFirst64 tuple _  ))
 16979  	// cond:
 16980  	// result: (Select1 tuple)
 16981  	for {
 16982  		v_0 := v.Args[0]
 16983  		if v_0.Op != OpS390XAddTupleFirst64 {
 16984  			break
 16985  		}
 16986  		tuple := v_0.Args[0]
 16987  		v.reset(OpSelect1)
 16988  		v.AddArg(tuple)
 16989  		return true
 16990  	}
 16991  	return false
 16992  }
 16993  func rewriteValueS390X_OpSignExt16to32(v *Value, config *Config) bool {
 16994  	b := v.Block
 16995  	_ = b
 16996  	// match: (SignExt16to32 x)
 16997  	// cond:
 16998  	// result: (MOVHreg x)
 16999  	for {
 17000  		x := v.Args[0]
 17001  		v.reset(OpS390XMOVHreg)
 17002  		v.AddArg(x)
 17003  		return true
 17004  	}
 17005  }
 17006  func rewriteValueS390X_OpSignExt16to64(v *Value, config *Config) bool {
 17007  	b := v.Block
 17008  	_ = b
 17009  	// match: (SignExt16to64 x)
 17010  	// cond:
 17011  	// result: (MOVHreg x)
 17012  	for {
 17013  		x := v.Args[0]
 17014  		v.reset(OpS390XMOVHreg)
 17015  		v.AddArg(x)
 17016  		return true
 17017  	}
 17018  }
 17019  func rewriteValueS390X_OpSignExt32to64(v *Value, config *Config) bool {
 17020  	b := v.Block
 17021  	_ = b
 17022  	// match: (SignExt32to64 x)
 17023  	// cond:
 17024  	// result: (MOVWreg x)
 17025  	for {
 17026  		x := v.Args[0]
 17027  		v.reset(OpS390XMOVWreg)
 17028  		v.AddArg(x)
 17029  		return true
 17030  	}
 17031  }
 17032  func rewriteValueS390X_OpSignExt8to16(v *Value, config *Config) bool {
 17033  	b := v.Block
 17034  	_ = b
 17035  	// match: (SignExt8to16  x)
 17036  	// cond:
 17037  	// result: (MOVBreg x)
 17038  	for {
 17039  		x := v.Args[0]
 17040  		v.reset(OpS390XMOVBreg)
 17041  		v.AddArg(x)
 17042  		return true
 17043  	}
 17044  }
 17045  func rewriteValueS390X_OpSignExt8to32(v *Value, config *Config) bool {
 17046  	b := v.Block
 17047  	_ = b
 17048  	// match: (SignExt8to32  x)
 17049  	// cond:
 17050  	// result: (MOVBreg x)
 17051  	for {
 17052  		x := v.Args[0]
 17053  		v.reset(OpS390XMOVBreg)
 17054  		v.AddArg(x)
 17055  		return true
 17056  	}
 17057  }
 17058  func rewriteValueS390X_OpSignExt8to64(v *Value, config *Config) bool {
 17059  	b := v.Block
 17060  	_ = b
 17061  	// match: (SignExt8to64  x)
 17062  	// cond:
 17063  	// result: (MOVBreg x)
 17064  	for {
 17065  		x := v.Args[0]
 17066  		v.reset(OpS390XMOVBreg)
 17067  		v.AddArg(x)
 17068  		return true
 17069  	}
 17070  }
 17071  func rewriteValueS390X_OpSlicemask(v *Value, config *Config) bool {
 17072  	b := v.Block
 17073  	_ = b
 17074  	// match: (Slicemask <t> x)
 17075  	// cond:
 17076  	// result: (XOR (MOVDconst [-1]) (SRADconst <t> (SUBconst <t> x [1]) [63]))
 17077  	for {
 17078  		t := v.Type
 17079  		x := v.Args[0]
 17080  		v.reset(OpS390XXOR)
 17081  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
 17082  		v0.AuxInt = -1
 17083  		v.AddArg(v0)
 17084  		v1 := b.NewValue0(v.Line, OpS390XSRADconst, t)
 17085  		v1.AuxInt = 63
 17086  		v2 := b.NewValue0(v.Line, OpS390XSUBconst, t)
 17087  		v2.AuxInt = 1
 17088  		v2.AddArg(x)
 17089  		v1.AddArg(v2)
 17090  		v.AddArg(v1)
 17091  		return true
 17092  	}
 17093  }
 17094  func rewriteValueS390X_OpSqrt(v *Value, config *Config) bool {
 17095  	b := v.Block
 17096  	_ = b
 17097  	// match: (Sqrt x)
 17098  	// cond:
 17099  	// result: (FSQRT x)
 17100  	for {
 17101  		x := v.Args[0]
 17102  		v.reset(OpS390XFSQRT)
 17103  		v.AddArg(x)
 17104  		return true
 17105  	}
 17106  }
 17107  func rewriteValueS390X_OpStaticCall(v *Value, config *Config) bool {
 17108  	b := v.Block
 17109  	_ = b
 17110  	// match: (StaticCall [argwid] {target} mem)
 17111  	// cond:
 17112  	// result: (CALLstatic [argwid] {target} mem)
 17113  	for {
 17114  		argwid := v.AuxInt
 17115  		target := v.Aux
 17116  		mem := v.Args[0]
 17117  		v.reset(OpS390XCALLstatic)
 17118  		v.AuxInt = argwid
 17119  		v.Aux = target
 17120  		v.AddArg(mem)
 17121  		return true
 17122  	}
 17123  }
 17124  func rewriteValueS390X_OpStore(v *Value, config *Config) bool {
 17125  	b := v.Block
 17126  	_ = b
 17127  	// match: (Store [8] ptr val mem)
 17128  	// cond: is64BitFloat(val.Type)
 17129  	// result: (FMOVDstore ptr val mem)
 17130  	for {
 17131  		if v.AuxInt != 8 {
 17132  			break
 17133  		}
 17134  		ptr := v.Args[0]
 17135  		val := v.Args[1]
 17136  		mem := v.Args[2]
 17137  		if !(is64BitFloat(val.Type)) {
 17138  			break
 17139  		}
 17140  		v.reset(OpS390XFMOVDstore)
 17141  		v.AddArg(ptr)
 17142  		v.AddArg(val)
 17143  		v.AddArg(mem)
 17144  		return true
 17145  	}
 17146  	// match: (Store [4] ptr val mem)
 17147  	// cond: is32BitFloat(val.Type)
 17148  	// result: (FMOVSstore ptr val mem)
 17149  	for {
 17150  		if v.AuxInt != 4 {
 17151  			break
 17152  		}
 17153  		ptr := v.Args[0]
 17154  		val := v.Args[1]
 17155  		mem := v.Args[2]
 17156  		if !(is32BitFloat(val.Type)) {
 17157  			break
 17158  		}
 17159  		v.reset(OpS390XFMOVSstore)
 17160  		v.AddArg(ptr)
 17161  		v.AddArg(val)
 17162  		v.AddArg(mem)
 17163  		return true
 17164  	}
 17165  	// match: (Store [8] ptr val mem)
 17166  	// cond:
 17167  	// result: (MOVDstore ptr val mem)
 17168  	for {
 17169  		if v.AuxInt != 8 {
 17170  			break
 17171  		}
 17172  		ptr := v.Args[0]
 17173  		val := v.Args[1]
 17174  		mem := v.Args[2]
 17175  		v.reset(OpS390XMOVDstore)
 17176  		v.AddArg(ptr)
 17177  		v.AddArg(val)
 17178  		v.AddArg(mem)
 17179  		return true
 17180  	}
 17181  	// match: (Store [4] ptr val mem)
 17182  	// cond:
 17183  	// result: (MOVWstore ptr val mem)
 17184  	for {
 17185  		if v.AuxInt != 4 {
 17186  			break
 17187  		}
 17188  		ptr := v.Args[0]
 17189  		val := v.Args[1]
 17190  		mem := v.Args[2]
 17191  		v.reset(OpS390XMOVWstore)
 17192  		v.AddArg(ptr)
 17193  		v.AddArg(val)
 17194  		v.AddArg(mem)
 17195  		return true
 17196  	}
 17197  	// match: (Store [2] ptr val mem)
 17198  	// cond:
 17199  	// result: (MOVHstore ptr val mem)
 17200  	for {
 17201  		if v.AuxInt != 2 {
 17202  			break
 17203  		}
 17204  		ptr := v.Args[0]
 17205  		val := v.Args[1]
 17206  		mem := v.Args[2]
 17207  		v.reset(OpS390XMOVHstore)
 17208  		v.AddArg(ptr)
 17209  		v.AddArg(val)
 17210  		v.AddArg(mem)
 17211  		return true
 17212  	}
 17213  	// match: (Store [1] ptr val mem)
 17214  	// cond:
 17215  	// result: (MOVBstore ptr val mem)
 17216  	for {
 17217  		if v.AuxInt != 1 {
 17218  			break
 17219  		}
 17220  		ptr := v.Args[0]
 17221  		val := v.Args[1]
 17222  		mem := v.Args[2]
 17223  		v.reset(OpS390XMOVBstore)
 17224  		v.AddArg(ptr)
 17225  		v.AddArg(val)
 17226  		v.AddArg(mem)
 17227  		return true
 17228  	}
 17229  	return false
 17230  }
 17231  func rewriteValueS390X_OpSub16(v *Value, config *Config) bool {
 17232  	b := v.Block
 17233  	_ = b
 17234  	// match: (Sub16  x y)
 17235  	// cond:
 17236  	// result: (SUBW  x y)
 17237  	for {
 17238  		x := v.Args[0]
 17239  		y := v.Args[1]
 17240  		v.reset(OpS390XSUBW)
 17241  		v.AddArg(x)
 17242  		v.AddArg(y)
 17243  		return true
 17244  	}
 17245  }
 17246  func rewriteValueS390X_OpSub32(v *Value, config *Config) bool {
 17247  	b := v.Block
 17248  	_ = b
 17249  	// match: (Sub32  x y)
 17250  	// cond:
 17251  	// result: (SUBW  x y)
 17252  	for {
 17253  		x := v.Args[0]
 17254  		y := v.Args[1]
 17255  		v.reset(OpS390XSUBW)
 17256  		v.AddArg(x)
 17257  		v.AddArg(y)
 17258  		return true
 17259  	}
 17260  }
 17261  func rewriteValueS390X_OpSub32F(v *Value, config *Config) bool {
 17262  	b := v.Block
 17263  	_ = b
 17264  	// match: (Sub32F x y)
 17265  	// cond:
 17266  	// result: (FSUBS x y)
 17267  	for {
 17268  		x := v.Args[0]
 17269  		y := v.Args[1]
 17270  		v.reset(OpS390XFSUBS)
 17271  		v.AddArg(x)
 17272  		v.AddArg(y)
 17273  		return true
 17274  	}
 17275  }
 17276  func rewriteValueS390X_OpSub64(v *Value, config *Config) bool {
 17277  	b := v.Block
 17278  	_ = b
 17279  	// match: (Sub64  x y)
 17280  	// cond:
 17281  	// result: (SUB  x y)
 17282  	for {
 17283  		x := v.Args[0]
 17284  		y := v.Args[1]
 17285  		v.reset(OpS390XSUB)
 17286  		v.AddArg(x)
 17287  		v.AddArg(y)
 17288  		return true
 17289  	}
 17290  }
 17291  func rewriteValueS390X_OpSub64F(v *Value, config *Config) bool {
 17292  	b := v.Block
 17293  	_ = b
 17294  	// match: (Sub64F x y)
 17295  	// cond:
 17296  	// result: (FSUB x y)
 17297  	for {
 17298  		x := v.Args[0]
 17299  		y := v.Args[1]
 17300  		v.reset(OpS390XFSUB)
 17301  		v.AddArg(x)
 17302  		v.AddArg(y)
 17303  		return true
 17304  	}
 17305  }
 17306  func rewriteValueS390X_OpSub8(v *Value, config *Config) bool {
 17307  	b := v.Block
 17308  	_ = b
 17309  	// match: (Sub8   x y)
 17310  	// cond:
 17311  	// result: (SUBW  x y)
 17312  	for {
 17313  		x := v.Args[0]
 17314  		y := v.Args[1]
 17315  		v.reset(OpS390XSUBW)
 17316  		v.AddArg(x)
 17317  		v.AddArg(y)
 17318  		return true
 17319  	}
 17320  }
 17321  func rewriteValueS390X_OpSubPtr(v *Value, config *Config) bool {
 17322  	b := v.Block
 17323  	_ = b
 17324  	// match: (SubPtr x y)
 17325  	// cond:
 17326  	// result: (SUB  x y)
 17327  	for {
 17328  		x := v.Args[0]
 17329  		y := v.Args[1]
 17330  		v.reset(OpS390XSUB)
 17331  		v.AddArg(x)
 17332  		v.AddArg(y)
 17333  		return true
 17334  	}
 17335  }
 17336  func rewriteValueS390X_OpTrunc16to8(v *Value, config *Config) bool {
 17337  	b := v.Block
 17338  	_ = b
 17339  	// match: (Trunc16to8  x)
 17340  	// cond:
 17341  	// result: x
 17342  	for {
 17343  		x := v.Args[0]
 17344  		v.reset(OpCopy)
 17345  		v.Type = x.Type
 17346  		v.AddArg(x)
 17347  		return true
 17348  	}
 17349  }
 17350  func rewriteValueS390X_OpTrunc32to16(v *Value, config *Config) bool {
 17351  	b := v.Block
 17352  	_ = b
 17353  	// match: (Trunc32to16 x)
 17354  	// cond:
 17355  	// result: x
 17356  	for {
 17357  		x := v.Args[0]
 17358  		v.reset(OpCopy)
 17359  		v.Type = x.Type
 17360  		v.AddArg(x)
 17361  		return true
 17362  	}
 17363  }
 17364  func rewriteValueS390X_OpTrunc32to8(v *Value, config *Config) bool {
 17365  	b := v.Block
 17366  	_ = b
 17367  	// match: (Trunc32to8  x)
 17368  	// cond:
 17369  	// result: x
 17370  	for {
 17371  		x := v.Args[0]
 17372  		v.reset(OpCopy)
 17373  		v.Type = x.Type
 17374  		v.AddArg(x)
 17375  		return true
 17376  	}
 17377  }
 17378  func rewriteValueS390X_OpTrunc64to16(v *Value, config *Config) bool {
 17379  	b := v.Block
 17380  	_ = b
 17381  	// match: (Trunc64to16 x)
 17382  	// cond:
 17383  	// result: x
 17384  	for {
 17385  		x := v.Args[0]
 17386  		v.reset(OpCopy)
 17387  		v.Type = x.Type
 17388  		v.AddArg(x)
 17389  		return true
 17390  	}
 17391  }
 17392  func rewriteValueS390X_OpTrunc64to32(v *Value, config *Config) bool {
 17393  	b := v.Block
 17394  	_ = b
 17395  	// match: (Trunc64to32 x)
 17396  	// cond:
 17397  	// result: x
 17398  	for {
 17399  		x := v.Args[0]
 17400  		v.reset(OpCopy)
 17401  		v.Type = x.Type
 17402  		v.AddArg(x)
 17403  		return true
 17404  	}
 17405  }
 17406  func rewriteValueS390X_OpTrunc64to8(v *Value, config *Config) bool {
 17407  	b := v.Block
 17408  	_ = b
 17409  	// match: (Trunc64to8  x)
 17410  	// cond:
 17411  	// result: x
 17412  	for {
 17413  		x := v.Args[0]
 17414  		v.reset(OpCopy)
 17415  		v.Type = x.Type
 17416  		v.AddArg(x)
 17417  		return true
 17418  	}
 17419  }
 17420  func rewriteValueS390X_OpXor16(v *Value, config *Config) bool {
 17421  	b := v.Block
 17422  	_ = b
 17423  	// match: (Xor16 x y)
 17424  	// cond:
 17425  	// result: (XORW x y)
 17426  	for {
 17427  		x := v.Args[0]
 17428  		y := v.Args[1]
 17429  		v.reset(OpS390XXORW)
 17430  		v.AddArg(x)
 17431  		v.AddArg(y)
 17432  		return true
 17433  	}
 17434  }
 17435  func rewriteValueS390X_OpXor32(v *Value, config *Config) bool {
 17436  	b := v.Block
 17437  	_ = b
 17438  	// match: (Xor32 x y)
 17439  	// cond:
 17440  	// result: (XORW x y)
 17441  	for {
 17442  		x := v.Args[0]
 17443  		y := v.Args[1]
 17444  		v.reset(OpS390XXORW)
 17445  		v.AddArg(x)
 17446  		v.AddArg(y)
 17447  		return true
 17448  	}
 17449  }
 17450  func rewriteValueS390X_OpXor64(v *Value, config *Config) bool {
 17451  	b := v.Block
 17452  	_ = b
 17453  	// match: (Xor64 x y)
 17454  	// cond:
 17455  	// result: (XOR x y)
 17456  	for {
 17457  		x := v.Args[0]
 17458  		y := v.Args[1]
 17459  		v.reset(OpS390XXOR)
 17460  		v.AddArg(x)
 17461  		v.AddArg(y)
 17462  		return true
 17463  	}
 17464  }
 17465  func rewriteValueS390X_OpXor8(v *Value, config *Config) bool {
 17466  	b := v.Block
 17467  	_ = b
 17468  	// match: (Xor8  x y)
 17469  	// cond:
 17470  	// result: (XORW x y)
 17471  	for {
 17472  		x := v.Args[0]
 17473  		y := v.Args[1]
 17474  		v.reset(OpS390XXORW)
 17475  		v.AddArg(x)
 17476  		v.AddArg(y)
 17477  		return true
 17478  	}
 17479  }
 17480  func rewriteValueS390X_OpZero(v *Value, config *Config) bool {
 17481  	b := v.Block
 17482  	_ = b
 17483  	// match: (Zero [s] _ mem)
 17484  	// cond: SizeAndAlign(s).Size() == 0
 17485  	// result: mem
 17486  	for {
 17487  		s := v.AuxInt
 17488  		mem := v.Args[1]
 17489  		if !(SizeAndAlign(s).Size() == 0) {
 17490  			break
 17491  		}
 17492  		v.reset(OpCopy)
 17493  		v.Type = mem.Type
 17494  		v.AddArg(mem)
 17495  		return true
 17496  	}
 17497  	// match: (Zero [s] destptr mem)
 17498  	// cond: SizeAndAlign(s).Size() == 1
 17499  	// result: (MOVBstoreconst [0] destptr mem)
 17500  	for {
 17501  		s := v.AuxInt
 17502  		destptr := v.Args[0]
 17503  		mem := v.Args[1]
 17504  		if !(SizeAndAlign(s).Size() == 1) {
 17505  			break
 17506  		}
 17507  		v.reset(OpS390XMOVBstoreconst)
 17508  		v.AuxInt = 0
 17509  		v.AddArg(destptr)
 17510  		v.AddArg(mem)
 17511  		return true
 17512  	}
 17513  	// match: (Zero [s] destptr mem)
 17514  	// cond: SizeAndAlign(s).Size() == 2
 17515  	// result: (MOVHstoreconst [0] destptr mem)
 17516  	for {
 17517  		s := v.AuxInt
 17518  		destptr := v.Args[0]
 17519  		mem := v.Args[1]
 17520  		if !(SizeAndAlign(s).Size() == 2) {
 17521  			break
 17522  		}
 17523  		v.reset(OpS390XMOVHstoreconst)
 17524  		v.AuxInt = 0
 17525  		v.AddArg(destptr)
 17526  		v.AddArg(mem)
 17527  		return true
 17528  	}
 17529  	// match: (Zero [s] destptr mem)
 17530  	// cond: SizeAndAlign(s).Size() == 4
 17531  	// result: (MOVWstoreconst [0] destptr mem)
 17532  	for {
 17533  		s := v.AuxInt
 17534  		destptr := v.Args[0]
 17535  		mem := v.Args[1]
 17536  		if !(SizeAndAlign(s).Size() == 4) {
 17537  			break
 17538  		}
 17539  		v.reset(OpS390XMOVWstoreconst)
 17540  		v.AuxInt = 0
 17541  		v.AddArg(destptr)
 17542  		v.AddArg(mem)
 17543  		return true
 17544  	}
 17545  	// match: (Zero [s] destptr mem)
 17546  	// cond: SizeAndAlign(s).Size() == 8
 17547  	// result: (MOVDstoreconst [0] destptr mem)
 17548  	for {
 17549  		s := v.AuxInt
 17550  		destptr := v.Args[0]
 17551  		mem := v.Args[1]
 17552  		if !(SizeAndAlign(s).Size() == 8) {
 17553  			break
 17554  		}
 17555  		v.reset(OpS390XMOVDstoreconst)
 17556  		v.AuxInt = 0
 17557  		v.AddArg(destptr)
 17558  		v.AddArg(mem)
 17559  		return true
 17560  	}
 17561  	// match: (Zero [s] destptr mem)
 17562  	// cond: SizeAndAlign(s).Size() == 3
 17563  	// result: (MOVBstoreconst [makeValAndOff(0,2)] destptr 		(MOVHstoreconst [0] destptr mem))
 17564  	for {
 17565  		s := v.AuxInt
 17566  		destptr := v.Args[0]
 17567  		mem := v.Args[1]
 17568  		if !(SizeAndAlign(s).Size() == 3) {
 17569  			break
 17570  		}
 17571  		v.reset(OpS390XMOVBstoreconst)
 17572  		v.AuxInt = makeValAndOff(0, 2)
 17573  		v.AddArg(destptr)
 17574  		v0 := b.NewValue0(v.Line, OpS390XMOVHstoreconst, TypeMem)
 17575  		v0.AuxInt = 0
 17576  		v0.AddArg(destptr)
 17577  		v0.AddArg(mem)
 17578  		v.AddArg(v0)
 17579  		return true
 17580  	}
 17581  	// match: (Zero [s] destptr mem)
 17582  	// cond: SizeAndAlign(s).Size() == 5
 17583  	// result: (MOVBstoreconst [makeValAndOff(0,4)] destptr 		(MOVWstoreconst [0] destptr mem))
 17584  	for {
 17585  		s := v.AuxInt
 17586  		destptr := v.Args[0]
 17587  		mem := v.Args[1]
 17588  		if !(SizeAndAlign(s).Size() == 5) {
 17589  			break
 17590  		}
 17591  		v.reset(OpS390XMOVBstoreconst)
 17592  		v.AuxInt = makeValAndOff(0, 4)
 17593  		v.AddArg(destptr)
 17594  		v0 := b.NewValue0(v.Line, OpS390XMOVWstoreconst, TypeMem)
 17595  		v0.AuxInt = 0
 17596  		v0.AddArg(destptr)
 17597  		v0.AddArg(mem)
 17598  		v.AddArg(v0)
 17599  		return true
 17600  	}
 17601  	// match: (Zero [s] destptr mem)
 17602  	// cond: SizeAndAlign(s).Size() == 6
 17603  	// result: (MOVHstoreconst [makeValAndOff(0,4)] destptr 		(MOVWstoreconst [0] destptr mem))
 17604  	for {
 17605  		s := v.AuxInt
 17606  		destptr := v.Args[0]
 17607  		mem := v.Args[1]
 17608  		if !(SizeAndAlign(s).Size() == 6) {
 17609  			break
 17610  		}
 17611  		v.reset(OpS390XMOVHstoreconst)
 17612  		v.AuxInt = makeValAndOff(0, 4)
 17613  		v.AddArg(destptr)
 17614  		v0 := b.NewValue0(v.Line, OpS390XMOVWstoreconst, TypeMem)
 17615  		v0.AuxInt = 0
 17616  		v0.AddArg(destptr)
 17617  		v0.AddArg(mem)
 17618  		v.AddArg(v0)
 17619  		return true
 17620  	}
 17621  	// match: (Zero [s] destptr mem)
 17622  	// cond: SizeAndAlign(s).Size() == 7
 17623  	// result: (MOVWstoreconst [makeValAndOff(0,3)] destptr 		(MOVWstoreconst [0] destptr mem))
 17624  	for {
 17625  		s := v.AuxInt
 17626  		destptr := v.Args[0]
 17627  		mem := v.Args[1]
 17628  		if !(SizeAndAlign(s).Size() == 7) {
 17629  			break
 17630  		}
 17631  		v.reset(OpS390XMOVWstoreconst)
 17632  		v.AuxInt = makeValAndOff(0, 3)
 17633  		v.AddArg(destptr)
 17634  		v0 := b.NewValue0(v.Line, OpS390XMOVWstoreconst, TypeMem)
 17635  		v0.AuxInt = 0
 17636  		v0.AddArg(destptr)
 17637  		v0.AddArg(mem)
 17638  		v.AddArg(v0)
 17639  		return true
 17640  	}
 17641  	// match: (Zero [s] destptr mem)
 17642  	// cond: SizeAndAlign(s).Size() > 0 && SizeAndAlign(s).Size() <= 1024
 17643  	// result: (CLEAR [makeValAndOff(SizeAndAlign(s).Size(), 0)] destptr mem)
 17644  	for {
 17645  		s := v.AuxInt
 17646  		destptr := v.Args[0]
 17647  		mem := v.Args[1]
 17648  		if !(SizeAndAlign(s).Size() > 0 && SizeAndAlign(s).Size() <= 1024) {
 17649  			break
 17650  		}
 17651  		v.reset(OpS390XCLEAR)
 17652  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size(), 0)
 17653  		v.AddArg(destptr)
 17654  		v.AddArg(mem)
 17655  		return true
 17656  	}
 17657  	// match: (Zero [s] destptr mem)
 17658  	// cond: SizeAndAlign(s).Size() > 1024
 17659  	// result: (LoweredZero [SizeAndAlign(s).Size()%256] destptr (ADDconst <destptr.Type> destptr [(SizeAndAlign(s).Size()/256)*256]) mem)
 17660  	for {
 17661  		s := v.AuxInt
 17662  		destptr := v.Args[0]
 17663  		mem := v.Args[1]
 17664  		if !(SizeAndAlign(s).Size() > 1024) {
 17665  			break
 17666  		}
 17667  		v.reset(OpS390XLoweredZero)
 17668  		v.AuxInt = SizeAndAlign(s).Size() % 256
 17669  		v.AddArg(destptr)
 17670  		v0 := b.NewValue0(v.Line, OpS390XADDconst, destptr.Type)
 17671  		v0.AuxInt = (SizeAndAlign(s).Size() / 256) * 256
 17672  		v0.AddArg(destptr)
 17673  		v.AddArg(v0)
 17674  		v.AddArg(mem)
 17675  		return true
 17676  	}
 17677  	return false
 17678  }
 17679  func rewriteValueS390X_OpZeroExt16to32(v *Value, config *Config) bool {
 17680  	b := v.Block
 17681  	_ = b
 17682  	// match: (ZeroExt16to32 x)
 17683  	// cond:
 17684  	// result: (MOVHZreg x)
 17685  	for {
 17686  		x := v.Args[0]
 17687  		v.reset(OpS390XMOVHZreg)
 17688  		v.AddArg(x)
 17689  		return true
 17690  	}
 17691  }
 17692  func rewriteValueS390X_OpZeroExt16to64(v *Value, config *Config) bool {
 17693  	b := v.Block
 17694  	_ = b
 17695  	// match: (ZeroExt16to64 x)
 17696  	// cond:
 17697  	// result: (MOVHZreg x)
 17698  	for {
 17699  		x := v.Args[0]
 17700  		v.reset(OpS390XMOVHZreg)
 17701  		v.AddArg(x)
 17702  		return true
 17703  	}
 17704  }
 17705  func rewriteValueS390X_OpZeroExt32to64(v *Value, config *Config) bool {
 17706  	b := v.Block
 17707  	_ = b
 17708  	// match: (ZeroExt32to64 x)
 17709  	// cond:
 17710  	// result: (MOVWZreg x)
 17711  	for {
 17712  		x := v.Args[0]
 17713  		v.reset(OpS390XMOVWZreg)
 17714  		v.AddArg(x)
 17715  		return true
 17716  	}
 17717  }
 17718  func rewriteValueS390X_OpZeroExt8to16(v *Value, config *Config) bool {
 17719  	b := v.Block
 17720  	_ = b
 17721  	// match: (ZeroExt8to16  x)
 17722  	// cond:
 17723  	// result: (MOVBZreg x)
 17724  	for {
 17725  		x := v.Args[0]
 17726  		v.reset(OpS390XMOVBZreg)
 17727  		v.AddArg(x)
 17728  		return true
 17729  	}
 17730  }
 17731  func rewriteValueS390X_OpZeroExt8to32(v *Value, config *Config) bool {
 17732  	b := v.Block
 17733  	_ = b
 17734  	// match: (ZeroExt8to32  x)
 17735  	// cond:
 17736  	// result: (MOVBZreg x)
 17737  	for {
 17738  		x := v.Args[0]
 17739  		v.reset(OpS390XMOVBZreg)
 17740  		v.AddArg(x)
 17741  		return true
 17742  	}
 17743  }
 17744  func rewriteValueS390X_OpZeroExt8to64(v *Value, config *Config) bool {
 17745  	b := v.Block
 17746  	_ = b
 17747  	// match: (ZeroExt8to64  x)
 17748  	// cond:
 17749  	// result: (MOVBZreg x)
 17750  	for {
 17751  		x := v.Args[0]
 17752  		v.reset(OpS390XMOVBZreg)
 17753  		v.AddArg(x)
 17754  		return true
 17755  	}
 17756  }
 17757  func rewriteBlockS390X(b *Block, config *Config) bool {
 17758  	switch b.Kind {
 17759  	case BlockS390XEQ:
 17760  		// match: (EQ (InvertFlags cmp) yes no)
 17761  		// cond:
 17762  		// result: (EQ cmp yes no)
 17763  		for {
 17764  			v := b.Control
 17765  			if v.Op != OpS390XInvertFlags {
 17766  				break
 17767  			}
 17768  			cmp := v.Args[0]
 17769  			yes := b.Succs[0]
 17770  			no := b.Succs[1]
 17771  			b.Kind = BlockS390XEQ
 17772  			b.SetControl(cmp)
 17773  			_ = yes
 17774  			_ = no
 17775  			return true
 17776  		}
 17777  		// match: (EQ (FlagEQ) yes no)
 17778  		// cond:
 17779  		// result: (First nil yes no)
 17780  		for {
 17781  			v := b.Control
 17782  			if v.Op != OpS390XFlagEQ {
 17783  				break
 17784  			}
 17785  			yes := b.Succs[0]
 17786  			no := b.Succs[1]
 17787  			b.Kind = BlockFirst
 17788  			b.SetControl(nil)
 17789  			_ = yes
 17790  			_ = no
 17791  			return true
 17792  		}
 17793  		// match: (EQ (FlagLT) yes no)
 17794  		// cond:
 17795  		// result: (First nil no yes)
 17796  		for {
 17797  			v := b.Control
 17798  			if v.Op != OpS390XFlagLT {
 17799  				break
 17800  			}
 17801  			yes := b.Succs[0]
 17802  			no := b.Succs[1]
 17803  			b.Kind = BlockFirst
 17804  			b.SetControl(nil)
 17805  			b.swapSuccessors()
 17806  			_ = no
 17807  			_ = yes
 17808  			return true
 17809  		}
 17810  		// match: (EQ (FlagGT) yes no)
 17811  		// cond:
 17812  		// result: (First nil no yes)
 17813  		for {
 17814  			v := b.Control
 17815  			if v.Op != OpS390XFlagGT {
 17816  				break
 17817  			}
 17818  			yes := b.Succs[0]
 17819  			no := b.Succs[1]
 17820  			b.Kind = BlockFirst
 17821  			b.SetControl(nil)
 17822  			b.swapSuccessors()
 17823  			_ = no
 17824  			_ = yes
 17825  			return true
 17826  		}
 17827  	case BlockS390XGE:
 17828  		// match: (GE (InvertFlags cmp) yes no)
 17829  		// cond:
 17830  		// result: (LE cmp yes no)
 17831  		for {
 17832  			v := b.Control
 17833  			if v.Op != OpS390XInvertFlags {
 17834  				break
 17835  			}
 17836  			cmp := v.Args[0]
 17837  			yes := b.Succs[0]
 17838  			no := b.Succs[1]
 17839  			b.Kind = BlockS390XLE
 17840  			b.SetControl(cmp)
 17841  			_ = yes
 17842  			_ = no
 17843  			return true
 17844  		}
 17845  		// match: (GE (FlagEQ) yes no)
 17846  		// cond:
 17847  		// result: (First nil yes no)
 17848  		for {
 17849  			v := b.Control
 17850  			if v.Op != OpS390XFlagEQ {
 17851  				break
 17852  			}
 17853  			yes := b.Succs[0]
 17854  			no := b.Succs[1]
 17855  			b.Kind = BlockFirst
 17856  			b.SetControl(nil)
 17857  			_ = yes
 17858  			_ = no
 17859  			return true
 17860  		}
 17861  		// match: (GE (FlagLT) yes no)
 17862  		// cond:
 17863  		// result: (First nil no yes)
 17864  		for {
 17865  			v := b.Control
 17866  			if v.Op != OpS390XFlagLT {
 17867  				break
 17868  			}
 17869  			yes := b.Succs[0]
 17870  			no := b.Succs[1]
 17871  			b.Kind = BlockFirst
 17872  			b.SetControl(nil)
 17873  			b.swapSuccessors()
 17874  			_ = no
 17875  			_ = yes
 17876  			return true
 17877  		}
 17878  		// match: (GE (FlagGT) yes no)
 17879  		// cond:
 17880  		// result: (First nil yes no)
 17881  		for {
 17882  			v := b.Control
 17883  			if v.Op != OpS390XFlagGT {
 17884  				break
 17885  			}
 17886  			yes := b.Succs[0]
 17887  			no := b.Succs[1]
 17888  			b.Kind = BlockFirst
 17889  			b.SetControl(nil)
 17890  			_ = yes
 17891  			_ = no
 17892  			return true
 17893  		}
 17894  	case BlockS390XGT:
 17895  		// match: (GT (InvertFlags cmp) yes no)
 17896  		// cond:
 17897  		// result: (LT cmp yes no)
 17898  		for {
 17899  			v := b.Control
 17900  			if v.Op != OpS390XInvertFlags {
 17901  				break
 17902  			}
 17903  			cmp := v.Args[0]
 17904  			yes := b.Succs[0]
 17905  			no := b.Succs[1]
 17906  			b.Kind = BlockS390XLT
 17907  			b.SetControl(cmp)
 17908  			_ = yes
 17909  			_ = no
 17910  			return true
 17911  		}
 17912  		// match: (GT (FlagEQ) yes no)
 17913  		// cond:
 17914  		// result: (First nil no yes)
 17915  		for {
 17916  			v := b.Control
 17917  			if v.Op != OpS390XFlagEQ {
 17918  				break
 17919  			}
 17920  			yes := b.Succs[0]
 17921  			no := b.Succs[1]
 17922  			b.Kind = BlockFirst
 17923  			b.SetControl(nil)
 17924  			b.swapSuccessors()
 17925  			_ = no
 17926  			_ = yes
 17927  			return true
 17928  		}
 17929  		// match: (GT (FlagLT) yes no)
 17930  		// cond:
 17931  		// result: (First nil no yes)
 17932  		for {
 17933  			v := b.Control
 17934  			if v.Op != OpS390XFlagLT {
 17935  				break
 17936  			}
 17937  			yes := b.Succs[0]
 17938  			no := b.Succs[1]
 17939  			b.Kind = BlockFirst
 17940  			b.SetControl(nil)
 17941  			b.swapSuccessors()
 17942  			_ = no
 17943  			_ = yes
 17944  			return true
 17945  		}
 17946  		// match: (GT (FlagGT) yes no)
 17947  		// cond:
 17948  		// result: (First nil yes no)
 17949  		for {
 17950  			v := b.Control
 17951  			if v.Op != OpS390XFlagGT {
 17952  				break
 17953  			}
 17954  			yes := b.Succs[0]
 17955  			no := b.Succs[1]
 17956  			b.Kind = BlockFirst
 17957  			b.SetControl(nil)
 17958  			_ = yes
 17959  			_ = no
 17960  			return true
 17961  		}
 17962  	case BlockIf:
 17963  		// match: (If (MOVDLT (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 17964  		// cond:
 17965  		// result: (LT cmp yes no)
 17966  		for {
 17967  			v := b.Control
 17968  			if v.Op != OpS390XMOVDLT {
 17969  				break
 17970  			}
 17971  			v_0 := v.Args[0]
 17972  			if v_0.Op != OpS390XMOVDconst {
 17973  				break
 17974  			}
 17975  			if v_0.AuxInt != 0 {
 17976  				break
 17977  			}
 17978  			v_1 := v.Args[1]
 17979  			if v_1.Op != OpS390XMOVDconst {
 17980  				break
 17981  			}
 17982  			if v_1.AuxInt != 1 {
 17983  				break
 17984  			}
 17985  			cmp := v.Args[2]
 17986  			yes := b.Succs[0]
 17987  			no := b.Succs[1]
 17988  			b.Kind = BlockS390XLT
 17989  			b.SetControl(cmp)
 17990  			_ = yes
 17991  			_ = no
 17992  			return true
 17993  		}
 17994  		// match: (If (MOVDLE (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 17995  		// cond:
 17996  		// result: (LE cmp yes no)
 17997  		for {
 17998  			v := b.Control
 17999  			if v.Op != OpS390XMOVDLE {
 18000  				break
 18001  			}
 18002  			v_0 := v.Args[0]
 18003  			if v_0.Op != OpS390XMOVDconst {
 18004  				break
 18005  			}
 18006  			if v_0.AuxInt != 0 {
 18007  				break
 18008  			}
 18009  			v_1 := v.Args[1]
 18010  			if v_1.Op != OpS390XMOVDconst {
 18011  				break
 18012  			}
 18013  			if v_1.AuxInt != 1 {
 18014  				break
 18015  			}
 18016  			cmp := v.Args[2]
 18017  			yes := b.Succs[0]
 18018  			no := b.Succs[1]
 18019  			b.Kind = BlockS390XLE
 18020  			b.SetControl(cmp)
 18021  			_ = yes
 18022  			_ = no
 18023  			return true
 18024  		}
 18025  		// match: (If (MOVDGT (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18026  		// cond:
 18027  		// result: (GT cmp yes no)
 18028  		for {
 18029  			v := b.Control
 18030  			if v.Op != OpS390XMOVDGT {
 18031  				break
 18032  			}
 18033  			v_0 := v.Args[0]
 18034  			if v_0.Op != OpS390XMOVDconst {
 18035  				break
 18036  			}
 18037  			if v_0.AuxInt != 0 {
 18038  				break
 18039  			}
 18040  			v_1 := v.Args[1]
 18041  			if v_1.Op != OpS390XMOVDconst {
 18042  				break
 18043  			}
 18044  			if v_1.AuxInt != 1 {
 18045  				break
 18046  			}
 18047  			cmp := v.Args[2]
 18048  			yes := b.Succs[0]
 18049  			no := b.Succs[1]
 18050  			b.Kind = BlockS390XGT
 18051  			b.SetControl(cmp)
 18052  			_ = yes
 18053  			_ = no
 18054  			return true
 18055  		}
 18056  		// match: (If (MOVDGE (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18057  		// cond:
 18058  		// result: (GE cmp yes no)
 18059  		for {
 18060  			v := b.Control
 18061  			if v.Op != OpS390XMOVDGE {
 18062  				break
 18063  			}
 18064  			v_0 := v.Args[0]
 18065  			if v_0.Op != OpS390XMOVDconst {
 18066  				break
 18067  			}
 18068  			if v_0.AuxInt != 0 {
 18069  				break
 18070  			}
 18071  			v_1 := v.Args[1]
 18072  			if v_1.Op != OpS390XMOVDconst {
 18073  				break
 18074  			}
 18075  			if v_1.AuxInt != 1 {
 18076  				break
 18077  			}
 18078  			cmp := v.Args[2]
 18079  			yes := b.Succs[0]
 18080  			no := b.Succs[1]
 18081  			b.Kind = BlockS390XGE
 18082  			b.SetControl(cmp)
 18083  			_ = yes
 18084  			_ = no
 18085  			return true
 18086  		}
 18087  		// match: (If (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18088  		// cond:
 18089  		// result: (EQ cmp yes no)
 18090  		for {
 18091  			v := b.Control
 18092  			if v.Op != OpS390XMOVDEQ {
 18093  				break
 18094  			}
 18095  			v_0 := v.Args[0]
 18096  			if v_0.Op != OpS390XMOVDconst {
 18097  				break
 18098  			}
 18099  			if v_0.AuxInt != 0 {
 18100  				break
 18101  			}
 18102  			v_1 := v.Args[1]
 18103  			if v_1.Op != OpS390XMOVDconst {
 18104  				break
 18105  			}
 18106  			if v_1.AuxInt != 1 {
 18107  				break
 18108  			}
 18109  			cmp := v.Args[2]
 18110  			yes := b.Succs[0]
 18111  			no := b.Succs[1]
 18112  			b.Kind = BlockS390XEQ
 18113  			b.SetControl(cmp)
 18114  			_ = yes
 18115  			_ = no
 18116  			return true
 18117  		}
 18118  		// match: (If (MOVDNE (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18119  		// cond:
 18120  		// result: (NE cmp yes no)
 18121  		for {
 18122  			v := b.Control
 18123  			if v.Op != OpS390XMOVDNE {
 18124  				break
 18125  			}
 18126  			v_0 := v.Args[0]
 18127  			if v_0.Op != OpS390XMOVDconst {
 18128  				break
 18129  			}
 18130  			if v_0.AuxInt != 0 {
 18131  				break
 18132  			}
 18133  			v_1 := v.Args[1]
 18134  			if v_1.Op != OpS390XMOVDconst {
 18135  				break
 18136  			}
 18137  			if v_1.AuxInt != 1 {
 18138  				break
 18139  			}
 18140  			cmp := v.Args[2]
 18141  			yes := b.Succs[0]
 18142  			no := b.Succs[1]
 18143  			b.Kind = BlockS390XNE
 18144  			b.SetControl(cmp)
 18145  			_ = yes
 18146  			_ = no
 18147  			return true
 18148  		}
 18149  		// match: (If (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18150  		// cond:
 18151  		// result: (GTF cmp yes no)
 18152  		for {
 18153  			v := b.Control
 18154  			if v.Op != OpS390XMOVDGTnoinv {
 18155  				break
 18156  			}
 18157  			v_0 := v.Args[0]
 18158  			if v_0.Op != OpS390XMOVDconst {
 18159  				break
 18160  			}
 18161  			if v_0.AuxInt != 0 {
 18162  				break
 18163  			}
 18164  			v_1 := v.Args[1]
 18165  			if v_1.Op != OpS390XMOVDconst {
 18166  				break
 18167  			}
 18168  			if v_1.AuxInt != 1 {
 18169  				break
 18170  			}
 18171  			cmp := v.Args[2]
 18172  			yes := b.Succs[0]
 18173  			no := b.Succs[1]
 18174  			b.Kind = BlockS390XGTF
 18175  			b.SetControl(cmp)
 18176  			_ = yes
 18177  			_ = no
 18178  			return true
 18179  		}
 18180  		// match: (If (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18181  		// cond:
 18182  		// result: (GEF cmp yes no)
 18183  		for {
 18184  			v := b.Control
 18185  			if v.Op != OpS390XMOVDGEnoinv {
 18186  				break
 18187  			}
 18188  			v_0 := v.Args[0]
 18189  			if v_0.Op != OpS390XMOVDconst {
 18190  				break
 18191  			}
 18192  			if v_0.AuxInt != 0 {
 18193  				break
 18194  			}
 18195  			v_1 := v.Args[1]
 18196  			if v_1.Op != OpS390XMOVDconst {
 18197  				break
 18198  			}
 18199  			if v_1.AuxInt != 1 {
 18200  				break
 18201  			}
 18202  			cmp := v.Args[2]
 18203  			yes := b.Succs[0]
 18204  			no := b.Succs[1]
 18205  			b.Kind = BlockS390XGEF
 18206  			b.SetControl(cmp)
 18207  			_ = yes
 18208  			_ = no
 18209  			return true
 18210  		}
 18211  		// match: (If cond yes no)
 18212  		// cond:
 18213  		// result: (NE (CMPWconst [0] (MOVBZreg cond)) yes no)
 18214  		for {
 18215  			v := b.Control
 18216  			_ = v
 18217  			cond := b.Control
 18218  			yes := b.Succs[0]
 18219  			no := b.Succs[1]
 18220  			b.Kind = BlockS390XNE
 18221  			v0 := b.NewValue0(v.Line, OpS390XCMPWconst, TypeFlags)
 18222  			v0.AuxInt = 0
 18223  			v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
 18224  			v1.AddArg(cond)
 18225  			v0.AddArg(v1)
 18226  			b.SetControl(v0)
 18227  			_ = yes
 18228  			_ = no
 18229  			return true
 18230  		}
 18231  	case BlockS390XLE:
 18232  		// match: (LE (InvertFlags cmp) yes no)
 18233  		// cond:
 18234  		// result: (GE cmp yes no)
 18235  		for {
 18236  			v := b.Control
 18237  			if v.Op != OpS390XInvertFlags {
 18238  				break
 18239  			}
 18240  			cmp := v.Args[0]
 18241  			yes := b.Succs[0]
 18242  			no := b.Succs[1]
 18243  			b.Kind = BlockS390XGE
 18244  			b.SetControl(cmp)
 18245  			_ = yes
 18246  			_ = no
 18247  			return true
 18248  		}
 18249  		// match: (LE (FlagEQ) yes no)
 18250  		// cond:
 18251  		// result: (First nil yes no)
 18252  		for {
 18253  			v := b.Control
 18254  			if v.Op != OpS390XFlagEQ {
 18255  				break
 18256  			}
 18257  			yes := b.Succs[0]
 18258  			no := b.Succs[1]
 18259  			b.Kind = BlockFirst
 18260  			b.SetControl(nil)
 18261  			_ = yes
 18262  			_ = no
 18263  			return true
 18264  		}
 18265  		// match: (LE (FlagLT) yes no)
 18266  		// cond:
 18267  		// result: (First nil yes no)
 18268  		for {
 18269  			v := b.Control
 18270  			if v.Op != OpS390XFlagLT {
 18271  				break
 18272  			}
 18273  			yes := b.Succs[0]
 18274  			no := b.Succs[1]
 18275  			b.Kind = BlockFirst
 18276  			b.SetControl(nil)
 18277  			_ = yes
 18278  			_ = no
 18279  			return true
 18280  		}
 18281  		// match: (LE (FlagGT) yes no)
 18282  		// cond:
 18283  		// result: (First nil no yes)
 18284  		for {
 18285  			v := b.Control
 18286  			if v.Op != OpS390XFlagGT {
 18287  				break
 18288  			}
 18289  			yes := b.Succs[0]
 18290  			no := b.Succs[1]
 18291  			b.Kind = BlockFirst
 18292  			b.SetControl(nil)
 18293  			b.swapSuccessors()
 18294  			_ = no
 18295  			_ = yes
 18296  			return true
 18297  		}
 18298  	case BlockS390XLT:
 18299  		// match: (LT (InvertFlags cmp) yes no)
 18300  		// cond:
 18301  		// result: (GT cmp yes no)
 18302  		for {
 18303  			v := b.Control
 18304  			if v.Op != OpS390XInvertFlags {
 18305  				break
 18306  			}
 18307  			cmp := v.Args[0]
 18308  			yes := b.Succs[0]
 18309  			no := b.Succs[1]
 18310  			b.Kind = BlockS390XGT
 18311  			b.SetControl(cmp)
 18312  			_ = yes
 18313  			_ = no
 18314  			return true
 18315  		}
 18316  		// match: (LT (FlagEQ) yes no)
 18317  		// cond:
 18318  		// result: (First nil no yes)
 18319  		for {
 18320  			v := b.Control
 18321  			if v.Op != OpS390XFlagEQ {
 18322  				break
 18323  			}
 18324  			yes := b.Succs[0]
 18325  			no := b.Succs[1]
 18326  			b.Kind = BlockFirst
 18327  			b.SetControl(nil)
 18328  			b.swapSuccessors()
 18329  			_ = no
 18330  			_ = yes
 18331  			return true
 18332  		}
 18333  		// match: (LT (FlagLT) yes no)
 18334  		// cond:
 18335  		// result: (First nil yes no)
 18336  		for {
 18337  			v := b.Control
 18338  			if v.Op != OpS390XFlagLT {
 18339  				break
 18340  			}
 18341  			yes := b.Succs[0]
 18342  			no := b.Succs[1]
 18343  			b.Kind = BlockFirst
 18344  			b.SetControl(nil)
 18345  			_ = yes
 18346  			_ = no
 18347  			return true
 18348  		}
 18349  		// match: (LT (FlagGT) yes no)
 18350  		// cond:
 18351  		// result: (First nil no yes)
 18352  		for {
 18353  			v := b.Control
 18354  			if v.Op != OpS390XFlagGT {
 18355  				break
 18356  			}
 18357  			yes := b.Succs[0]
 18358  			no := b.Succs[1]
 18359  			b.Kind = BlockFirst
 18360  			b.SetControl(nil)
 18361  			b.swapSuccessors()
 18362  			_ = no
 18363  			_ = yes
 18364  			return true
 18365  		}
 18366  	case BlockS390XNE:
 18367  		// match: (NE (CMPWconst [0] (MOVDLT (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18368  		// cond:
 18369  		// result: (LT cmp yes no)
 18370  		for {
 18371  			v := b.Control
 18372  			if v.Op != OpS390XCMPWconst {
 18373  				break
 18374  			}
 18375  			if v.AuxInt != 0 {
 18376  				break
 18377  			}
 18378  			v_0 := v.Args[0]
 18379  			if v_0.Op != OpS390XMOVDLT {
 18380  				break
 18381  			}
 18382  			v_0_0 := v_0.Args[0]
 18383  			if v_0_0.Op != OpS390XMOVDconst {
 18384  				break
 18385  			}
 18386  			if v_0_0.AuxInt != 0 {
 18387  				break
 18388  			}
 18389  			v_0_1 := v_0.Args[1]
 18390  			if v_0_1.Op != OpS390XMOVDconst {
 18391  				break
 18392  			}
 18393  			if v_0_1.AuxInt != 1 {
 18394  				break
 18395  			}
 18396  			cmp := v_0.Args[2]
 18397  			yes := b.Succs[0]
 18398  			no := b.Succs[1]
 18399  			b.Kind = BlockS390XLT
 18400  			b.SetControl(cmp)
 18401  			_ = yes
 18402  			_ = no
 18403  			return true
 18404  		}
 18405  		// match: (NE (CMPWconst [0] (MOVDLE (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18406  		// cond:
 18407  		// result: (LE cmp yes no)
 18408  		for {
 18409  			v := b.Control
 18410  			if v.Op != OpS390XCMPWconst {
 18411  				break
 18412  			}
 18413  			if v.AuxInt != 0 {
 18414  				break
 18415  			}
 18416  			v_0 := v.Args[0]
 18417  			if v_0.Op != OpS390XMOVDLE {
 18418  				break
 18419  			}
 18420  			v_0_0 := v_0.Args[0]
 18421  			if v_0_0.Op != OpS390XMOVDconst {
 18422  				break
 18423  			}
 18424  			if v_0_0.AuxInt != 0 {
 18425  				break
 18426  			}
 18427  			v_0_1 := v_0.Args[1]
 18428  			if v_0_1.Op != OpS390XMOVDconst {
 18429  				break
 18430  			}
 18431  			if v_0_1.AuxInt != 1 {
 18432  				break
 18433  			}
 18434  			cmp := v_0.Args[2]
 18435  			yes := b.Succs[0]
 18436  			no := b.Succs[1]
 18437  			b.Kind = BlockS390XLE
 18438  			b.SetControl(cmp)
 18439  			_ = yes
 18440  			_ = no
 18441  			return true
 18442  		}
 18443  		// match: (NE (CMPWconst [0] (MOVDGT (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18444  		// cond:
 18445  		// result: (GT cmp yes no)
 18446  		for {
 18447  			v := b.Control
 18448  			if v.Op != OpS390XCMPWconst {
 18449  				break
 18450  			}
 18451  			if v.AuxInt != 0 {
 18452  				break
 18453  			}
 18454  			v_0 := v.Args[0]
 18455  			if v_0.Op != OpS390XMOVDGT {
 18456  				break
 18457  			}
 18458  			v_0_0 := v_0.Args[0]
 18459  			if v_0_0.Op != OpS390XMOVDconst {
 18460  				break
 18461  			}
 18462  			if v_0_0.AuxInt != 0 {
 18463  				break
 18464  			}
 18465  			v_0_1 := v_0.Args[1]
 18466  			if v_0_1.Op != OpS390XMOVDconst {
 18467  				break
 18468  			}
 18469  			if v_0_1.AuxInt != 1 {
 18470  				break
 18471  			}
 18472  			cmp := v_0.Args[2]
 18473  			yes := b.Succs[0]
 18474  			no := b.Succs[1]
 18475  			b.Kind = BlockS390XGT
 18476  			b.SetControl(cmp)
 18477  			_ = yes
 18478  			_ = no
 18479  			return true
 18480  		}
 18481  		// match: (NE (CMPWconst [0] (MOVDGE (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18482  		// cond:
 18483  		// result: (GE cmp yes no)
 18484  		for {
 18485  			v := b.Control
 18486  			if v.Op != OpS390XCMPWconst {
 18487  				break
 18488  			}
 18489  			if v.AuxInt != 0 {
 18490  				break
 18491  			}
 18492  			v_0 := v.Args[0]
 18493  			if v_0.Op != OpS390XMOVDGE {
 18494  				break
 18495  			}
 18496  			v_0_0 := v_0.Args[0]
 18497  			if v_0_0.Op != OpS390XMOVDconst {
 18498  				break
 18499  			}
 18500  			if v_0_0.AuxInt != 0 {
 18501  				break
 18502  			}
 18503  			v_0_1 := v_0.Args[1]
 18504  			if v_0_1.Op != OpS390XMOVDconst {
 18505  				break
 18506  			}
 18507  			if v_0_1.AuxInt != 1 {
 18508  				break
 18509  			}
 18510  			cmp := v_0.Args[2]
 18511  			yes := b.Succs[0]
 18512  			no := b.Succs[1]
 18513  			b.Kind = BlockS390XGE
 18514  			b.SetControl(cmp)
 18515  			_ = yes
 18516  			_ = no
 18517  			return true
 18518  		}
 18519  		// match: (NE (CMPWconst [0] (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18520  		// cond:
 18521  		// result: (EQ cmp yes no)
 18522  		for {
 18523  			v := b.Control
 18524  			if v.Op != OpS390XCMPWconst {
 18525  				break
 18526  			}
 18527  			if v.AuxInt != 0 {
 18528  				break
 18529  			}
 18530  			v_0 := v.Args[0]
 18531  			if v_0.Op != OpS390XMOVDEQ {
 18532  				break
 18533  			}
 18534  			v_0_0 := v_0.Args[0]
 18535  			if v_0_0.Op != OpS390XMOVDconst {
 18536  				break
 18537  			}
 18538  			if v_0_0.AuxInt != 0 {
 18539  				break
 18540  			}
 18541  			v_0_1 := v_0.Args[1]
 18542  			if v_0_1.Op != OpS390XMOVDconst {
 18543  				break
 18544  			}
 18545  			if v_0_1.AuxInt != 1 {
 18546  				break
 18547  			}
 18548  			cmp := v_0.Args[2]
 18549  			yes := b.Succs[0]
 18550  			no := b.Succs[1]
 18551  			b.Kind = BlockS390XEQ
 18552  			b.SetControl(cmp)
 18553  			_ = yes
 18554  			_ = no
 18555  			return true
 18556  		}
 18557  		// match: (NE (CMPWconst [0] (MOVDNE (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18558  		// cond:
 18559  		// result: (NE cmp yes no)
 18560  		for {
 18561  			v := b.Control
 18562  			if v.Op != OpS390XCMPWconst {
 18563  				break
 18564  			}
 18565  			if v.AuxInt != 0 {
 18566  				break
 18567  			}
 18568  			v_0 := v.Args[0]
 18569  			if v_0.Op != OpS390XMOVDNE {
 18570  				break
 18571  			}
 18572  			v_0_0 := v_0.Args[0]
 18573  			if v_0_0.Op != OpS390XMOVDconst {
 18574  				break
 18575  			}
 18576  			if v_0_0.AuxInt != 0 {
 18577  				break
 18578  			}
 18579  			v_0_1 := v_0.Args[1]
 18580  			if v_0_1.Op != OpS390XMOVDconst {
 18581  				break
 18582  			}
 18583  			if v_0_1.AuxInt != 1 {
 18584  				break
 18585  			}
 18586  			cmp := v_0.Args[2]
 18587  			yes := b.Succs[0]
 18588  			no := b.Succs[1]
 18589  			b.Kind = BlockS390XNE
 18590  			b.SetControl(cmp)
 18591  			_ = yes
 18592  			_ = no
 18593  			return true
 18594  		}
 18595  		// match: (NE (CMPWconst [0] (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18596  		// cond:
 18597  		// result: (GTF cmp yes no)
 18598  		for {
 18599  			v := b.Control
 18600  			if v.Op != OpS390XCMPWconst {
 18601  				break
 18602  			}
 18603  			if v.AuxInt != 0 {
 18604  				break
 18605  			}
 18606  			v_0 := v.Args[0]
 18607  			if v_0.Op != OpS390XMOVDGTnoinv {
 18608  				break
 18609  			}
 18610  			v_0_0 := v_0.Args[0]
 18611  			if v_0_0.Op != OpS390XMOVDconst {
 18612  				break
 18613  			}
 18614  			if v_0_0.AuxInt != 0 {
 18615  				break
 18616  			}
 18617  			v_0_1 := v_0.Args[1]
 18618  			if v_0_1.Op != OpS390XMOVDconst {
 18619  				break
 18620  			}
 18621  			if v_0_1.AuxInt != 1 {
 18622  				break
 18623  			}
 18624  			cmp := v_0.Args[2]
 18625  			yes := b.Succs[0]
 18626  			no := b.Succs[1]
 18627  			b.Kind = BlockS390XGTF
 18628  			b.SetControl(cmp)
 18629  			_ = yes
 18630  			_ = no
 18631  			return true
 18632  		}
 18633  		// match: (NE (CMPWconst [0] (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18634  		// cond:
 18635  		// result: (GEF cmp yes no)
 18636  		for {
 18637  			v := b.Control
 18638  			if v.Op != OpS390XCMPWconst {
 18639  				break
 18640  			}
 18641  			if v.AuxInt != 0 {
 18642  				break
 18643  			}
 18644  			v_0 := v.Args[0]
 18645  			if v_0.Op != OpS390XMOVDGEnoinv {
 18646  				break
 18647  			}
 18648  			v_0_0 := v_0.Args[0]
 18649  			if v_0_0.Op != OpS390XMOVDconst {
 18650  				break
 18651  			}
 18652  			if v_0_0.AuxInt != 0 {
 18653  				break
 18654  			}
 18655  			v_0_1 := v_0.Args[1]
 18656  			if v_0_1.Op != OpS390XMOVDconst {
 18657  				break
 18658  			}
 18659  			if v_0_1.AuxInt != 1 {
 18660  				break
 18661  			}
 18662  			cmp := v_0.Args[2]
 18663  			yes := b.Succs[0]
 18664  			no := b.Succs[1]
 18665  			b.Kind = BlockS390XGEF
 18666  			b.SetControl(cmp)
 18667  			_ = yes
 18668  			_ = no
 18669  			return true
 18670  		}
 18671  		// match: (NE (InvertFlags cmp) yes no)
 18672  		// cond:
 18673  		// result: (NE cmp yes no)
 18674  		for {
 18675  			v := b.Control
 18676  			if v.Op != OpS390XInvertFlags {
 18677  				break
 18678  			}
 18679  			cmp := v.Args[0]
 18680  			yes := b.Succs[0]
 18681  			no := b.Succs[1]
 18682  			b.Kind = BlockS390XNE
 18683  			b.SetControl(cmp)
 18684  			_ = yes
 18685  			_ = no
 18686  			return true
 18687  		}
 18688  		// match: (NE (FlagEQ) yes no)
 18689  		// cond:
 18690  		// result: (First nil no yes)
 18691  		for {
 18692  			v := b.Control
 18693  			if v.Op != OpS390XFlagEQ {
 18694  				break
 18695  			}
 18696  			yes := b.Succs[0]
 18697  			no := b.Succs[1]
 18698  			b.Kind = BlockFirst
 18699  			b.SetControl(nil)
 18700  			b.swapSuccessors()
 18701  			_ = no
 18702  			_ = yes
 18703  			return true
 18704  		}
 18705  		// match: (NE (FlagLT) yes no)
 18706  		// cond:
 18707  		// result: (First nil yes no)
 18708  		for {
 18709  			v := b.Control
 18710  			if v.Op != OpS390XFlagLT {
 18711  				break
 18712  			}
 18713  			yes := b.Succs[0]
 18714  			no := b.Succs[1]
 18715  			b.Kind = BlockFirst
 18716  			b.SetControl(nil)
 18717  			_ = yes
 18718  			_ = no
 18719  			return true
 18720  		}
 18721  		// match: (NE (FlagGT) yes no)
 18722  		// cond:
 18723  		// result: (First nil yes no)
 18724  		for {
 18725  			v := b.Control
 18726  			if v.Op != OpS390XFlagGT {
 18727  				break
 18728  			}
 18729  			yes := b.Succs[0]
 18730  			no := b.Succs[1]
 18731  			b.Kind = BlockFirst
 18732  			b.SetControl(nil)
 18733  			_ = yes
 18734  			_ = no
 18735  			return true
 18736  		}
 18737  	}
 18738  	return false
 18739  }