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

     1  // autogenerated from gen/generic.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 rewriteValuegeneric(v *Value, config *Config) bool {
    10  	switch v.Op {
    11  	case OpAdd16:
    12  		return rewriteValuegeneric_OpAdd16(v, config)
    13  	case OpAdd32:
    14  		return rewriteValuegeneric_OpAdd32(v, config)
    15  	case OpAdd32F:
    16  		return rewriteValuegeneric_OpAdd32F(v, config)
    17  	case OpAdd64:
    18  		return rewriteValuegeneric_OpAdd64(v, config)
    19  	case OpAdd64F:
    20  		return rewriteValuegeneric_OpAdd64F(v, config)
    21  	case OpAdd8:
    22  		return rewriteValuegeneric_OpAdd8(v, config)
    23  	case OpAddPtr:
    24  		return rewriteValuegeneric_OpAddPtr(v, config)
    25  	case OpAnd16:
    26  		return rewriteValuegeneric_OpAnd16(v, config)
    27  	case OpAnd32:
    28  		return rewriteValuegeneric_OpAnd32(v, config)
    29  	case OpAnd64:
    30  		return rewriteValuegeneric_OpAnd64(v, config)
    31  	case OpAnd8:
    32  		return rewriteValuegeneric_OpAnd8(v, config)
    33  	case OpArg:
    34  		return rewriteValuegeneric_OpArg(v, config)
    35  	case OpArraySelect:
    36  		return rewriteValuegeneric_OpArraySelect(v, config)
    37  	case OpCom16:
    38  		return rewriteValuegeneric_OpCom16(v, config)
    39  	case OpCom32:
    40  		return rewriteValuegeneric_OpCom32(v, config)
    41  	case OpCom64:
    42  		return rewriteValuegeneric_OpCom64(v, config)
    43  	case OpCom8:
    44  		return rewriteValuegeneric_OpCom8(v, config)
    45  	case OpConstInterface:
    46  		return rewriteValuegeneric_OpConstInterface(v, config)
    47  	case OpConstSlice:
    48  		return rewriteValuegeneric_OpConstSlice(v, config)
    49  	case OpConstString:
    50  		return rewriteValuegeneric_OpConstString(v, config)
    51  	case OpConvert:
    52  		return rewriteValuegeneric_OpConvert(v, config)
    53  	case OpCvt32Fto64F:
    54  		return rewriteValuegeneric_OpCvt32Fto64F(v, config)
    55  	case OpCvt64Fto32F:
    56  		return rewriteValuegeneric_OpCvt64Fto32F(v, config)
    57  	case OpDiv32F:
    58  		return rewriteValuegeneric_OpDiv32F(v, config)
    59  	case OpDiv64:
    60  		return rewriteValuegeneric_OpDiv64(v, config)
    61  	case OpDiv64F:
    62  		return rewriteValuegeneric_OpDiv64F(v, config)
    63  	case OpDiv64u:
    64  		return rewriteValuegeneric_OpDiv64u(v, config)
    65  	case OpEq16:
    66  		return rewriteValuegeneric_OpEq16(v, config)
    67  	case OpEq32:
    68  		return rewriteValuegeneric_OpEq32(v, config)
    69  	case OpEq64:
    70  		return rewriteValuegeneric_OpEq64(v, config)
    71  	case OpEq8:
    72  		return rewriteValuegeneric_OpEq8(v, config)
    73  	case OpEqB:
    74  		return rewriteValuegeneric_OpEqB(v, config)
    75  	case OpEqInter:
    76  		return rewriteValuegeneric_OpEqInter(v, config)
    77  	case OpEqPtr:
    78  		return rewriteValuegeneric_OpEqPtr(v, config)
    79  	case OpEqSlice:
    80  		return rewriteValuegeneric_OpEqSlice(v, config)
    81  	case OpGeq16:
    82  		return rewriteValuegeneric_OpGeq16(v, config)
    83  	case OpGeq16U:
    84  		return rewriteValuegeneric_OpGeq16U(v, config)
    85  	case OpGeq32:
    86  		return rewriteValuegeneric_OpGeq32(v, config)
    87  	case OpGeq32U:
    88  		return rewriteValuegeneric_OpGeq32U(v, config)
    89  	case OpGeq64:
    90  		return rewriteValuegeneric_OpGeq64(v, config)
    91  	case OpGeq64U:
    92  		return rewriteValuegeneric_OpGeq64U(v, config)
    93  	case OpGeq8:
    94  		return rewriteValuegeneric_OpGeq8(v, config)
    95  	case OpGeq8U:
    96  		return rewriteValuegeneric_OpGeq8U(v, config)
    97  	case OpGreater16:
    98  		return rewriteValuegeneric_OpGreater16(v, config)
    99  	case OpGreater16U:
   100  		return rewriteValuegeneric_OpGreater16U(v, config)
   101  	case OpGreater32:
   102  		return rewriteValuegeneric_OpGreater32(v, config)
   103  	case OpGreater32U:
   104  		return rewriteValuegeneric_OpGreater32U(v, config)
   105  	case OpGreater64:
   106  		return rewriteValuegeneric_OpGreater64(v, config)
   107  	case OpGreater64U:
   108  		return rewriteValuegeneric_OpGreater64U(v, config)
   109  	case OpGreater8:
   110  		return rewriteValuegeneric_OpGreater8(v, config)
   111  	case OpGreater8U:
   112  		return rewriteValuegeneric_OpGreater8U(v, config)
   113  	case OpIMake:
   114  		return rewriteValuegeneric_OpIMake(v, config)
   115  	case OpIsInBounds:
   116  		return rewriteValuegeneric_OpIsInBounds(v, config)
   117  	case OpIsSliceInBounds:
   118  		return rewriteValuegeneric_OpIsSliceInBounds(v, config)
   119  	case OpLeq16:
   120  		return rewriteValuegeneric_OpLeq16(v, config)
   121  	case OpLeq16U:
   122  		return rewriteValuegeneric_OpLeq16U(v, config)
   123  	case OpLeq32:
   124  		return rewriteValuegeneric_OpLeq32(v, config)
   125  	case OpLeq32U:
   126  		return rewriteValuegeneric_OpLeq32U(v, config)
   127  	case OpLeq64:
   128  		return rewriteValuegeneric_OpLeq64(v, config)
   129  	case OpLeq64U:
   130  		return rewriteValuegeneric_OpLeq64U(v, config)
   131  	case OpLeq8:
   132  		return rewriteValuegeneric_OpLeq8(v, config)
   133  	case OpLeq8U:
   134  		return rewriteValuegeneric_OpLeq8U(v, config)
   135  	case OpLess16:
   136  		return rewriteValuegeneric_OpLess16(v, config)
   137  	case OpLess16U:
   138  		return rewriteValuegeneric_OpLess16U(v, config)
   139  	case OpLess32:
   140  		return rewriteValuegeneric_OpLess32(v, config)
   141  	case OpLess32U:
   142  		return rewriteValuegeneric_OpLess32U(v, config)
   143  	case OpLess64:
   144  		return rewriteValuegeneric_OpLess64(v, config)
   145  	case OpLess64U:
   146  		return rewriteValuegeneric_OpLess64U(v, config)
   147  	case OpLess8:
   148  		return rewriteValuegeneric_OpLess8(v, config)
   149  	case OpLess8U:
   150  		return rewriteValuegeneric_OpLess8U(v, config)
   151  	case OpLoad:
   152  		return rewriteValuegeneric_OpLoad(v, config)
   153  	case OpLsh16x16:
   154  		return rewriteValuegeneric_OpLsh16x16(v, config)
   155  	case OpLsh16x32:
   156  		return rewriteValuegeneric_OpLsh16x32(v, config)
   157  	case OpLsh16x64:
   158  		return rewriteValuegeneric_OpLsh16x64(v, config)
   159  	case OpLsh16x8:
   160  		return rewriteValuegeneric_OpLsh16x8(v, config)
   161  	case OpLsh32x16:
   162  		return rewriteValuegeneric_OpLsh32x16(v, config)
   163  	case OpLsh32x32:
   164  		return rewriteValuegeneric_OpLsh32x32(v, config)
   165  	case OpLsh32x64:
   166  		return rewriteValuegeneric_OpLsh32x64(v, config)
   167  	case OpLsh32x8:
   168  		return rewriteValuegeneric_OpLsh32x8(v, config)
   169  	case OpLsh64x16:
   170  		return rewriteValuegeneric_OpLsh64x16(v, config)
   171  	case OpLsh64x32:
   172  		return rewriteValuegeneric_OpLsh64x32(v, config)
   173  	case OpLsh64x64:
   174  		return rewriteValuegeneric_OpLsh64x64(v, config)
   175  	case OpLsh64x8:
   176  		return rewriteValuegeneric_OpLsh64x8(v, config)
   177  	case OpLsh8x16:
   178  		return rewriteValuegeneric_OpLsh8x16(v, config)
   179  	case OpLsh8x32:
   180  		return rewriteValuegeneric_OpLsh8x32(v, config)
   181  	case OpLsh8x64:
   182  		return rewriteValuegeneric_OpLsh8x64(v, config)
   183  	case OpLsh8x8:
   184  		return rewriteValuegeneric_OpLsh8x8(v, config)
   185  	case OpMod16:
   186  		return rewriteValuegeneric_OpMod16(v, config)
   187  	case OpMod16u:
   188  		return rewriteValuegeneric_OpMod16u(v, config)
   189  	case OpMod32:
   190  		return rewriteValuegeneric_OpMod32(v, config)
   191  	case OpMod32u:
   192  		return rewriteValuegeneric_OpMod32u(v, config)
   193  	case OpMod64:
   194  		return rewriteValuegeneric_OpMod64(v, config)
   195  	case OpMod64u:
   196  		return rewriteValuegeneric_OpMod64u(v, config)
   197  	case OpMod8:
   198  		return rewriteValuegeneric_OpMod8(v, config)
   199  	case OpMod8u:
   200  		return rewriteValuegeneric_OpMod8u(v, config)
   201  	case OpMul16:
   202  		return rewriteValuegeneric_OpMul16(v, config)
   203  	case OpMul32:
   204  		return rewriteValuegeneric_OpMul32(v, config)
   205  	case OpMul32F:
   206  		return rewriteValuegeneric_OpMul32F(v, config)
   207  	case OpMul64:
   208  		return rewriteValuegeneric_OpMul64(v, config)
   209  	case OpMul64F:
   210  		return rewriteValuegeneric_OpMul64F(v, config)
   211  	case OpMul8:
   212  		return rewriteValuegeneric_OpMul8(v, config)
   213  	case OpNeg16:
   214  		return rewriteValuegeneric_OpNeg16(v, config)
   215  	case OpNeg32:
   216  		return rewriteValuegeneric_OpNeg32(v, config)
   217  	case OpNeg64:
   218  		return rewriteValuegeneric_OpNeg64(v, config)
   219  	case OpNeg8:
   220  		return rewriteValuegeneric_OpNeg8(v, config)
   221  	case OpNeq16:
   222  		return rewriteValuegeneric_OpNeq16(v, config)
   223  	case OpNeq32:
   224  		return rewriteValuegeneric_OpNeq32(v, config)
   225  	case OpNeq64:
   226  		return rewriteValuegeneric_OpNeq64(v, config)
   227  	case OpNeq8:
   228  		return rewriteValuegeneric_OpNeq8(v, config)
   229  	case OpNeqB:
   230  		return rewriteValuegeneric_OpNeqB(v, config)
   231  	case OpNeqInter:
   232  		return rewriteValuegeneric_OpNeqInter(v, config)
   233  	case OpNeqPtr:
   234  		return rewriteValuegeneric_OpNeqPtr(v, config)
   235  	case OpNeqSlice:
   236  		return rewriteValuegeneric_OpNeqSlice(v, config)
   237  	case OpNilCheck:
   238  		return rewriteValuegeneric_OpNilCheck(v, config)
   239  	case OpNot:
   240  		return rewriteValuegeneric_OpNot(v, config)
   241  	case OpOffPtr:
   242  		return rewriteValuegeneric_OpOffPtr(v, config)
   243  	case OpOr16:
   244  		return rewriteValuegeneric_OpOr16(v, config)
   245  	case OpOr32:
   246  		return rewriteValuegeneric_OpOr32(v, config)
   247  	case OpOr64:
   248  		return rewriteValuegeneric_OpOr64(v, config)
   249  	case OpOr8:
   250  		return rewriteValuegeneric_OpOr8(v, config)
   251  	case OpPhi:
   252  		return rewriteValuegeneric_OpPhi(v, config)
   253  	case OpPtrIndex:
   254  		return rewriteValuegeneric_OpPtrIndex(v, config)
   255  	case OpRsh16Ux16:
   256  		return rewriteValuegeneric_OpRsh16Ux16(v, config)
   257  	case OpRsh16Ux32:
   258  		return rewriteValuegeneric_OpRsh16Ux32(v, config)
   259  	case OpRsh16Ux64:
   260  		return rewriteValuegeneric_OpRsh16Ux64(v, config)
   261  	case OpRsh16Ux8:
   262  		return rewriteValuegeneric_OpRsh16Ux8(v, config)
   263  	case OpRsh16x16:
   264  		return rewriteValuegeneric_OpRsh16x16(v, config)
   265  	case OpRsh16x32:
   266  		return rewriteValuegeneric_OpRsh16x32(v, config)
   267  	case OpRsh16x64:
   268  		return rewriteValuegeneric_OpRsh16x64(v, config)
   269  	case OpRsh16x8:
   270  		return rewriteValuegeneric_OpRsh16x8(v, config)
   271  	case OpRsh32Ux16:
   272  		return rewriteValuegeneric_OpRsh32Ux16(v, config)
   273  	case OpRsh32Ux32:
   274  		return rewriteValuegeneric_OpRsh32Ux32(v, config)
   275  	case OpRsh32Ux64:
   276  		return rewriteValuegeneric_OpRsh32Ux64(v, config)
   277  	case OpRsh32Ux8:
   278  		return rewriteValuegeneric_OpRsh32Ux8(v, config)
   279  	case OpRsh32x16:
   280  		return rewriteValuegeneric_OpRsh32x16(v, config)
   281  	case OpRsh32x32:
   282  		return rewriteValuegeneric_OpRsh32x32(v, config)
   283  	case OpRsh32x64:
   284  		return rewriteValuegeneric_OpRsh32x64(v, config)
   285  	case OpRsh32x8:
   286  		return rewriteValuegeneric_OpRsh32x8(v, config)
   287  	case OpRsh64Ux16:
   288  		return rewriteValuegeneric_OpRsh64Ux16(v, config)
   289  	case OpRsh64Ux32:
   290  		return rewriteValuegeneric_OpRsh64Ux32(v, config)
   291  	case OpRsh64Ux64:
   292  		return rewriteValuegeneric_OpRsh64Ux64(v, config)
   293  	case OpRsh64Ux8:
   294  		return rewriteValuegeneric_OpRsh64Ux8(v, config)
   295  	case OpRsh64x16:
   296  		return rewriteValuegeneric_OpRsh64x16(v, config)
   297  	case OpRsh64x32:
   298  		return rewriteValuegeneric_OpRsh64x32(v, config)
   299  	case OpRsh64x64:
   300  		return rewriteValuegeneric_OpRsh64x64(v, config)
   301  	case OpRsh64x8:
   302  		return rewriteValuegeneric_OpRsh64x8(v, config)
   303  	case OpRsh8Ux16:
   304  		return rewriteValuegeneric_OpRsh8Ux16(v, config)
   305  	case OpRsh8Ux32:
   306  		return rewriteValuegeneric_OpRsh8Ux32(v, config)
   307  	case OpRsh8Ux64:
   308  		return rewriteValuegeneric_OpRsh8Ux64(v, config)
   309  	case OpRsh8Ux8:
   310  		return rewriteValuegeneric_OpRsh8Ux8(v, config)
   311  	case OpRsh8x16:
   312  		return rewriteValuegeneric_OpRsh8x16(v, config)
   313  	case OpRsh8x32:
   314  		return rewriteValuegeneric_OpRsh8x32(v, config)
   315  	case OpRsh8x64:
   316  		return rewriteValuegeneric_OpRsh8x64(v, config)
   317  	case OpRsh8x8:
   318  		return rewriteValuegeneric_OpRsh8x8(v, config)
   319  	case OpSignExt16to32:
   320  		return rewriteValuegeneric_OpSignExt16to32(v, config)
   321  	case OpSignExt16to64:
   322  		return rewriteValuegeneric_OpSignExt16to64(v, config)
   323  	case OpSignExt32to64:
   324  		return rewriteValuegeneric_OpSignExt32to64(v, config)
   325  	case OpSignExt8to16:
   326  		return rewriteValuegeneric_OpSignExt8to16(v, config)
   327  	case OpSignExt8to32:
   328  		return rewriteValuegeneric_OpSignExt8to32(v, config)
   329  	case OpSignExt8to64:
   330  		return rewriteValuegeneric_OpSignExt8to64(v, config)
   331  	case OpSliceCap:
   332  		return rewriteValuegeneric_OpSliceCap(v, config)
   333  	case OpSliceLen:
   334  		return rewriteValuegeneric_OpSliceLen(v, config)
   335  	case OpSlicePtr:
   336  		return rewriteValuegeneric_OpSlicePtr(v, config)
   337  	case OpSlicemask:
   338  		return rewriteValuegeneric_OpSlicemask(v, config)
   339  	case OpSqrt:
   340  		return rewriteValuegeneric_OpSqrt(v, config)
   341  	case OpStore:
   342  		return rewriteValuegeneric_OpStore(v, config)
   343  	case OpStringLen:
   344  		return rewriteValuegeneric_OpStringLen(v, config)
   345  	case OpStringPtr:
   346  		return rewriteValuegeneric_OpStringPtr(v, config)
   347  	case OpStructSelect:
   348  		return rewriteValuegeneric_OpStructSelect(v, config)
   349  	case OpSub16:
   350  		return rewriteValuegeneric_OpSub16(v, config)
   351  	case OpSub32:
   352  		return rewriteValuegeneric_OpSub32(v, config)
   353  	case OpSub32F:
   354  		return rewriteValuegeneric_OpSub32F(v, config)
   355  	case OpSub64:
   356  		return rewriteValuegeneric_OpSub64(v, config)
   357  	case OpSub64F:
   358  		return rewriteValuegeneric_OpSub64F(v, config)
   359  	case OpSub8:
   360  		return rewriteValuegeneric_OpSub8(v, config)
   361  	case OpTrunc16to8:
   362  		return rewriteValuegeneric_OpTrunc16to8(v, config)
   363  	case OpTrunc32to16:
   364  		return rewriteValuegeneric_OpTrunc32to16(v, config)
   365  	case OpTrunc32to8:
   366  		return rewriteValuegeneric_OpTrunc32to8(v, config)
   367  	case OpTrunc64to16:
   368  		return rewriteValuegeneric_OpTrunc64to16(v, config)
   369  	case OpTrunc64to32:
   370  		return rewriteValuegeneric_OpTrunc64to32(v, config)
   371  	case OpTrunc64to8:
   372  		return rewriteValuegeneric_OpTrunc64to8(v, config)
   373  	case OpXor16:
   374  		return rewriteValuegeneric_OpXor16(v, config)
   375  	case OpXor32:
   376  		return rewriteValuegeneric_OpXor32(v, config)
   377  	case OpXor64:
   378  		return rewriteValuegeneric_OpXor64(v, config)
   379  	case OpXor8:
   380  		return rewriteValuegeneric_OpXor8(v, config)
   381  	case OpZero:
   382  		return rewriteValuegeneric_OpZero(v, config)
   383  	case OpZeroExt16to32:
   384  		return rewriteValuegeneric_OpZeroExt16to32(v, config)
   385  	case OpZeroExt16to64:
   386  		return rewriteValuegeneric_OpZeroExt16to64(v, config)
   387  	case OpZeroExt32to64:
   388  		return rewriteValuegeneric_OpZeroExt32to64(v, config)
   389  	case OpZeroExt8to16:
   390  		return rewriteValuegeneric_OpZeroExt8to16(v, config)
   391  	case OpZeroExt8to32:
   392  		return rewriteValuegeneric_OpZeroExt8to32(v, config)
   393  	case OpZeroExt8to64:
   394  		return rewriteValuegeneric_OpZeroExt8to64(v, config)
   395  	}
   396  	return false
   397  }
   398  func rewriteValuegeneric_OpAdd16(v *Value, config *Config) bool {
   399  	b := v.Block
   400  	_ = b
   401  	// match: (Add16  (Const16 [c])  (Const16 [d]))
   402  	// cond:
   403  	// result: (Const16 [int64(int16(c+d))])
   404  	for {
   405  		v_0 := v.Args[0]
   406  		if v_0.Op != OpConst16 {
   407  			break
   408  		}
   409  		c := v_0.AuxInt
   410  		v_1 := v.Args[1]
   411  		if v_1.Op != OpConst16 {
   412  			break
   413  		}
   414  		d := v_1.AuxInt
   415  		v.reset(OpConst16)
   416  		v.AuxInt = int64(int16(c + d))
   417  		return true
   418  	}
   419  	// match: (Add16 x (Const16 <t> [c]))
   420  	// cond: x.Op != OpConst16
   421  	// result: (Add16 (Const16 <t> [c]) x)
   422  	for {
   423  		x := v.Args[0]
   424  		v_1 := v.Args[1]
   425  		if v_1.Op != OpConst16 {
   426  			break
   427  		}
   428  		t := v_1.Type
   429  		c := v_1.AuxInt
   430  		if !(x.Op != OpConst16) {
   431  			break
   432  		}
   433  		v.reset(OpAdd16)
   434  		v0 := b.NewValue0(v.Line, OpConst16, t)
   435  		v0.AuxInt = c
   436  		v.AddArg(v0)
   437  		v.AddArg(x)
   438  		return true
   439  	}
   440  	// match: (Add16 (Const16 [0]) x)
   441  	// cond:
   442  	// result: x
   443  	for {
   444  		v_0 := v.Args[0]
   445  		if v_0.Op != OpConst16 {
   446  			break
   447  		}
   448  		if v_0.AuxInt != 0 {
   449  			break
   450  		}
   451  		x := v.Args[1]
   452  		v.reset(OpCopy)
   453  		v.Type = x.Type
   454  		v.AddArg(x)
   455  		return true
   456  	}
   457  	return false
   458  }
   459  func rewriteValuegeneric_OpAdd32(v *Value, config *Config) bool {
   460  	b := v.Block
   461  	_ = b
   462  	// match: (Add32  (Const32 [c])  (Const32 [d]))
   463  	// cond:
   464  	// result: (Const32 [int64(int32(c+d))])
   465  	for {
   466  		v_0 := v.Args[0]
   467  		if v_0.Op != OpConst32 {
   468  			break
   469  		}
   470  		c := v_0.AuxInt
   471  		v_1 := v.Args[1]
   472  		if v_1.Op != OpConst32 {
   473  			break
   474  		}
   475  		d := v_1.AuxInt
   476  		v.reset(OpConst32)
   477  		v.AuxInt = int64(int32(c + d))
   478  		return true
   479  	}
   480  	// match: (Add32 x (Const32 <t> [c]))
   481  	// cond: x.Op != OpConst32
   482  	// result: (Add32 (Const32 <t> [c]) x)
   483  	for {
   484  		x := v.Args[0]
   485  		v_1 := v.Args[1]
   486  		if v_1.Op != OpConst32 {
   487  			break
   488  		}
   489  		t := v_1.Type
   490  		c := v_1.AuxInt
   491  		if !(x.Op != OpConst32) {
   492  			break
   493  		}
   494  		v.reset(OpAdd32)
   495  		v0 := b.NewValue0(v.Line, OpConst32, t)
   496  		v0.AuxInt = c
   497  		v.AddArg(v0)
   498  		v.AddArg(x)
   499  		return true
   500  	}
   501  	// match: (Add32 (Const32 [0]) x)
   502  	// cond:
   503  	// result: x
   504  	for {
   505  		v_0 := v.Args[0]
   506  		if v_0.Op != OpConst32 {
   507  			break
   508  		}
   509  		if v_0.AuxInt != 0 {
   510  			break
   511  		}
   512  		x := v.Args[1]
   513  		v.reset(OpCopy)
   514  		v.Type = x.Type
   515  		v.AddArg(x)
   516  		return true
   517  	}
   518  	return false
   519  }
   520  func rewriteValuegeneric_OpAdd32F(v *Value, config *Config) bool {
   521  	b := v.Block
   522  	_ = b
   523  	// match: (Add32F (Const32F [c]) (Const32F [d]))
   524  	// cond:
   525  	// result: (Const32F [f2i(float64(i2f32(c) + i2f32(d)))])
   526  	for {
   527  		v_0 := v.Args[0]
   528  		if v_0.Op != OpConst32F {
   529  			break
   530  		}
   531  		c := v_0.AuxInt
   532  		v_1 := v.Args[1]
   533  		if v_1.Op != OpConst32F {
   534  			break
   535  		}
   536  		d := v_1.AuxInt
   537  		v.reset(OpConst32F)
   538  		v.AuxInt = f2i(float64(i2f32(c) + i2f32(d)))
   539  		return true
   540  	}
   541  	// match: (Add32F x (Const32F [0]))
   542  	// cond:
   543  	// result: x
   544  	for {
   545  		x := v.Args[0]
   546  		v_1 := v.Args[1]
   547  		if v_1.Op != OpConst32F {
   548  			break
   549  		}
   550  		if v_1.AuxInt != 0 {
   551  			break
   552  		}
   553  		v.reset(OpCopy)
   554  		v.Type = x.Type
   555  		v.AddArg(x)
   556  		return true
   557  	}
   558  	// match: (Add32F (Const32F [0]) x)
   559  	// cond:
   560  	// result: x
   561  	for {
   562  		v_0 := v.Args[0]
   563  		if v_0.Op != OpConst32F {
   564  			break
   565  		}
   566  		if v_0.AuxInt != 0 {
   567  			break
   568  		}
   569  		x := v.Args[1]
   570  		v.reset(OpCopy)
   571  		v.Type = x.Type
   572  		v.AddArg(x)
   573  		return true
   574  	}
   575  	return false
   576  }
   577  func rewriteValuegeneric_OpAdd64(v *Value, config *Config) bool {
   578  	b := v.Block
   579  	_ = b
   580  	// match: (Add64  (Const64 [c])  (Const64 [d]))
   581  	// cond:
   582  	// result: (Const64 [c+d])
   583  	for {
   584  		v_0 := v.Args[0]
   585  		if v_0.Op != OpConst64 {
   586  			break
   587  		}
   588  		c := v_0.AuxInt
   589  		v_1 := v.Args[1]
   590  		if v_1.Op != OpConst64 {
   591  			break
   592  		}
   593  		d := v_1.AuxInt
   594  		v.reset(OpConst64)
   595  		v.AuxInt = c + d
   596  		return true
   597  	}
   598  	// match: (Add64 x (Const64 <t> [c]))
   599  	// cond: x.Op != OpConst64
   600  	// result: (Add64 (Const64 <t> [c]) x)
   601  	for {
   602  		x := v.Args[0]
   603  		v_1 := v.Args[1]
   604  		if v_1.Op != OpConst64 {
   605  			break
   606  		}
   607  		t := v_1.Type
   608  		c := v_1.AuxInt
   609  		if !(x.Op != OpConst64) {
   610  			break
   611  		}
   612  		v.reset(OpAdd64)
   613  		v0 := b.NewValue0(v.Line, OpConst64, t)
   614  		v0.AuxInt = c
   615  		v.AddArg(v0)
   616  		v.AddArg(x)
   617  		return true
   618  	}
   619  	// match: (Add64 (Const64 [0]) x)
   620  	// cond:
   621  	// result: x
   622  	for {
   623  		v_0 := v.Args[0]
   624  		if v_0.Op != OpConst64 {
   625  			break
   626  		}
   627  		if v_0.AuxInt != 0 {
   628  			break
   629  		}
   630  		x := v.Args[1]
   631  		v.reset(OpCopy)
   632  		v.Type = x.Type
   633  		v.AddArg(x)
   634  		return true
   635  	}
   636  	return false
   637  }
   638  func rewriteValuegeneric_OpAdd64F(v *Value, config *Config) bool {
   639  	b := v.Block
   640  	_ = b
   641  	// match: (Add64F (Const64F [c]) (Const64F [d]))
   642  	// cond:
   643  	// result: (Const64F [f2i(i2f(c) + i2f(d))])
   644  	for {
   645  		v_0 := v.Args[0]
   646  		if v_0.Op != OpConst64F {
   647  			break
   648  		}
   649  		c := v_0.AuxInt
   650  		v_1 := v.Args[1]
   651  		if v_1.Op != OpConst64F {
   652  			break
   653  		}
   654  		d := v_1.AuxInt
   655  		v.reset(OpConst64F)
   656  		v.AuxInt = f2i(i2f(c) + i2f(d))
   657  		return true
   658  	}
   659  	// match: (Add64F x (Const64F [0]))
   660  	// cond:
   661  	// result: x
   662  	for {
   663  		x := v.Args[0]
   664  		v_1 := v.Args[1]
   665  		if v_1.Op != OpConst64F {
   666  			break
   667  		}
   668  		if v_1.AuxInt != 0 {
   669  			break
   670  		}
   671  		v.reset(OpCopy)
   672  		v.Type = x.Type
   673  		v.AddArg(x)
   674  		return true
   675  	}
   676  	// match: (Add64F (Const64F [0]) x)
   677  	// cond:
   678  	// result: x
   679  	for {
   680  		v_0 := v.Args[0]
   681  		if v_0.Op != OpConst64F {
   682  			break
   683  		}
   684  		if v_0.AuxInt != 0 {
   685  			break
   686  		}
   687  		x := v.Args[1]
   688  		v.reset(OpCopy)
   689  		v.Type = x.Type
   690  		v.AddArg(x)
   691  		return true
   692  	}
   693  	return false
   694  }
   695  func rewriteValuegeneric_OpAdd8(v *Value, config *Config) bool {
   696  	b := v.Block
   697  	_ = b
   698  	// match: (Add8   (Const8 [c])   (Const8 [d]))
   699  	// cond:
   700  	// result: (Const8  [int64(int8(c+d))])
   701  	for {
   702  		v_0 := v.Args[0]
   703  		if v_0.Op != OpConst8 {
   704  			break
   705  		}
   706  		c := v_0.AuxInt
   707  		v_1 := v.Args[1]
   708  		if v_1.Op != OpConst8 {
   709  			break
   710  		}
   711  		d := v_1.AuxInt
   712  		v.reset(OpConst8)
   713  		v.AuxInt = int64(int8(c + d))
   714  		return true
   715  	}
   716  	// match: (Add8  x (Const8  <t> [c]))
   717  	// cond: x.Op != OpConst8
   718  	// result: (Add8  (Const8  <t> [c]) x)
   719  	for {
   720  		x := v.Args[0]
   721  		v_1 := v.Args[1]
   722  		if v_1.Op != OpConst8 {
   723  			break
   724  		}
   725  		t := v_1.Type
   726  		c := v_1.AuxInt
   727  		if !(x.Op != OpConst8) {
   728  			break
   729  		}
   730  		v.reset(OpAdd8)
   731  		v0 := b.NewValue0(v.Line, OpConst8, t)
   732  		v0.AuxInt = c
   733  		v.AddArg(v0)
   734  		v.AddArg(x)
   735  		return true
   736  	}
   737  	// match: (Add8  (Const8  [0]) x)
   738  	// cond:
   739  	// result: x
   740  	for {
   741  		v_0 := v.Args[0]
   742  		if v_0.Op != OpConst8 {
   743  			break
   744  		}
   745  		if v_0.AuxInt != 0 {
   746  			break
   747  		}
   748  		x := v.Args[1]
   749  		v.reset(OpCopy)
   750  		v.Type = x.Type
   751  		v.AddArg(x)
   752  		return true
   753  	}
   754  	return false
   755  }
   756  func rewriteValuegeneric_OpAddPtr(v *Value, config *Config) bool {
   757  	b := v.Block
   758  	_ = b
   759  	// match: (AddPtr <t> x (Const64 [c]))
   760  	// cond:
   761  	// result: (OffPtr <t> x [c])
   762  	for {
   763  		t := v.Type
   764  		x := v.Args[0]
   765  		v_1 := v.Args[1]
   766  		if v_1.Op != OpConst64 {
   767  			break
   768  		}
   769  		c := v_1.AuxInt
   770  		v.reset(OpOffPtr)
   771  		v.Type = t
   772  		v.AuxInt = c
   773  		v.AddArg(x)
   774  		return true
   775  	}
   776  	return false
   777  }
   778  func rewriteValuegeneric_OpAnd16(v *Value, config *Config) bool {
   779  	b := v.Block
   780  	_ = b
   781  	// match: (And16 x (Const16 <t> [c]))
   782  	// cond: x.Op != OpConst16
   783  	// result: (And16 (Const16 <t> [c]) x)
   784  	for {
   785  		x := v.Args[0]
   786  		v_1 := v.Args[1]
   787  		if v_1.Op != OpConst16 {
   788  			break
   789  		}
   790  		t := v_1.Type
   791  		c := v_1.AuxInt
   792  		if !(x.Op != OpConst16) {
   793  			break
   794  		}
   795  		v.reset(OpAnd16)
   796  		v0 := b.NewValue0(v.Line, OpConst16, t)
   797  		v0.AuxInt = c
   798  		v.AddArg(v0)
   799  		v.AddArg(x)
   800  		return true
   801  	}
   802  	// match: (And16 x x)
   803  	// cond:
   804  	// result: x
   805  	for {
   806  		x := v.Args[0]
   807  		if x != v.Args[1] {
   808  			break
   809  		}
   810  		v.reset(OpCopy)
   811  		v.Type = x.Type
   812  		v.AddArg(x)
   813  		return true
   814  	}
   815  	// match: (And16 (Const16 [-1]) x)
   816  	// cond:
   817  	// result: x
   818  	for {
   819  		v_0 := v.Args[0]
   820  		if v_0.Op != OpConst16 {
   821  			break
   822  		}
   823  		if v_0.AuxInt != -1 {
   824  			break
   825  		}
   826  		x := v.Args[1]
   827  		v.reset(OpCopy)
   828  		v.Type = x.Type
   829  		v.AddArg(x)
   830  		return true
   831  	}
   832  	// match: (And16 (Const16 [0]) _)
   833  	// cond:
   834  	// result: (Const16 [0])
   835  	for {
   836  		v_0 := v.Args[0]
   837  		if v_0.Op != OpConst16 {
   838  			break
   839  		}
   840  		if v_0.AuxInt != 0 {
   841  			break
   842  		}
   843  		v.reset(OpConst16)
   844  		v.AuxInt = 0
   845  		return true
   846  	}
   847  	// match: (And16 x (And16 x y))
   848  	// cond:
   849  	// result: (And16 x y)
   850  	for {
   851  		x := v.Args[0]
   852  		v_1 := v.Args[1]
   853  		if v_1.Op != OpAnd16 {
   854  			break
   855  		}
   856  		if x != v_1.Args[0] {
   857  			break
   858  		}
   859  		y := v_1.Args[1]
   860  		v.reset(OpAnd16)
   861  		v.AddArg(x)
   862  		v.AddArg(y)
   863  		return true
   864  	}
   865  	// match: (And16 x (And16 y x))
   866  	// cond:
   867  	// result: (And16 x y)
   868  	for {
   869  		x := v.Args[0]
   870  		v_1 := v.Args[1]
   871  		if v_1.Op != OpAnd16 {
   872  			break
   873  		}
   874  		y := v_1.Args[0]
   875  		if x != v_1.Args[1] {
   876  			break
   877  		}
   878  		v.reset(OpAnd16)
   879  		v.AddArg(x)
   880  		v.AddArg(y)
   881  		return true
   882  	}
   883  	// match: (And16 (And16 x y) x)
   884  	// cond:
   885  	// result: (And16 x y)
   886  	for {
   887  		v_0 := v.Args[0]
   888  		if v_0.Op != OpAnd16 {
   889  			break
   890  		}
   891  		x := v_0.Args[0]
   892  		y := v_0.Args[1]
   893  		if x != v.Args[1] {
   894  			break
   895  		}
   896  		v.reset(OpAnd16)
   897  		v.AddArg(x)
   898  		v.AddArg(y)
   899  		return true
   900  	}
   901  	// match: (And16 (And16 x y) y)
   902  	// cond:
   903  	// result: (And16 x y)
   904  	for {
   905  		v_0 := v.Args[0]
   906  		if v_0.Op != OpAnd16 {
   907  			break
   908  		}
   909  		x := v_0.Args[0]
   910  		y := v_0.Args[1]
   911  		if y != v.Args[1] {
   912  			break
   913  		}
   914  		v.reset(OpAnd16)
   915  		v.AddArg(x)
   916  		v.AddArg(y)
   917  		return true
   918  	}
   919  	return false
   920  }
   921  func rewriteValuegeneric_OpAnd32(v *Value, config *Config) bool {
   922  	b := v.Block
   923  	_ = b
   924  	// match: (And32 x (Const32 <t> [c]))
   925  	// cond: x.Op != OpConst32
   926  	// result: (And32 (Const32 <t> [c]) x)
   927  	for {
   928  		x := v.Args[0]
   929  		v_1 := v.Args[1]
   930  		if v_1.Op != OpConst32 {
   931  			break
   932  		}
   933  		t := v_1.Type
   934  		c := v_1.AuxInt
   935  		if !(x.Op != OpConst32) {
   936  			break
   937  		}
   938  		v.reset(OpAnd32)
   939  		v0 := b.NewValue0(v.Line, OpConst32, t)
   940  		v0.AuxInt = c
   941  		v.AddArg(v0)
   942  		v.AddArg(x)
   943  		return true
   944  	}
   945  	// match: (And32 x x)
   946  	// cond:
   947  	// result: x
   948  	for {
   949  		x := v.Args[0]
   950  		if x != v.Args[1] {
   951  			break
   952  		}
   953  		v.reset(OpCopy)
   954  		v.Type = x.Type
   955  		v.AddArg(x)
   956  		return true
   957  	}
   958  	// match: (And32 (Const32 [-1]) x)
   959  	// cond:
   960  	// result: x
   961  	for {
   962  		v_0 := v.Args[0]
   963  		if v_0.Op != OpConst32 {
   964  			break
   965  		}
   966  		if v_0.AuxInt != -1 {
   967  			break
   968  		}
   969  		x := v.Args[1]
   970  		v.reset(OpCopy)
   971  		v.Type = x.Type
   972  		v.AddArg(x)
   973  		return true
   974  	}
   975  	// match: (And32 (Const32 [0]) _)
   976  	// cond:
   977  	// result: (Const32 [0])
   978  	for {
   979  		v_0 := v.Args[0]
   980  		if v_0.Op != OpConst32 {
   981  			break
   982  		}
   983  		if v_0.AuxInt != 0 {
   984  			break
   985  		}
   986  		v.reset(OpConst32)
   987  		v.AuxInt = 0
   988  		return true
   989  	}
   990  	// match: (And32 x (And32 x y))
   991  	// cond:
   992  	// result: (And32 x y)
   993  	for {
   994  		x := v.Args[0]
   995  		v_1 := v.Args[1]
   996  		if v_1.Op != OpAnd32 {
   997  			break
   998  		}
   999  		if x != v_1.Args[0] {
  1000  			break
  1001  		}
  1002  		y := v_1.Args[1]
  1003  		v.reset(OpAnd32)
  1004  		v.AddArg(x)
  1005  		v.AddArg(y)
  1006  		return true
  1007  	}
  1008  	// match: (And32 x (And32 y x))
  1009  	// cond:
  1010  	// result: (And32 x y)
  1011  	for {
  1012  		x := v.Args[0]
  1013  		v_1 := v.Args[1]
  1014  		if v_1.Op != OpAnd32 {
  1015  			break
  1016  		}
  1017  		y := v_1.Args[0]
  1018  		if x != v_1.Args[1] {
  1019  			break
  1020  		}
  1021  		v.reset(OpAnd32)
  1022  		v.AddArg(x)
  1023  		v.AddArg(y)
  1024  		return true
  1025  	}
  1026  	// match: (And32 (And32 x y) x)
  1027  	// cond:
  1028  	// result: (And32 x y)
  1029  	for {
  1030  		v_0 := v.Args[0]
  1031  		if v_0.Op != OpAnd32 {
  1032  			break
  1033  		}
  1034  		x := v_0.Args[0]
  1035  		y := v_0.Args[1]
  1036  		if x != v.Args[1] {
  1037  			break
  1038  		}
  1039  		v.reset(OpAnd32)
  1040  		v.AddArg(x)
  1041  		v.AddArg(y)
  1042  		return true
  1043  	}
  1044  	// match: (And32 (And32 x y) y)
  1045  	// cond:
  1046  	// result: (And32 x y)
  1047  	for {
  1048  		v_0 := v.Args[0]
  1049  		if v_0.Op != OpAnd32 {
  1050  			break
  1051  		}
  1052  		x := v_0.Args[0]
  1053  		y := v_0.Args[1]
  1054  		if y != v.Args[1] {
  1055  			break
  1056  		}
  1057  		v.reset(OpAnd32)
  1058  		v.AddArg(x)
  1059  		v.AddArg(y)
  1060  		return true
  1061  	}
  1062  	return false
  1063  }
  1064  func rewriteValuegeneric_OpAnd64(v *Value, config *Config) bool {
  1065  	b := v.Block
  1066  	_ = b
  1067  	// match: (And64 x (Const64 <t> [c]))
  1068  	// cond: x.Op != OpConst64
  1069  	// result: (And64 (Const64 <t> [c]) x)
  1070  	for {
  1071  		x := v.Args[0]
  1072  		v_1 := v.Args[1]
  1073  		if v_1.Op != OpConst64 {
  1074  			break
  1075  		}
  1076  		t := v_1.Type
  1077  		c := v_1.AuxInt
  1078  		if !(x.Op != OpConst64) {
  1079  			break
  1080  		}
  1081  		v.reset(OpAnd64)
  1082  		v0 := b.NewValue0(v.Line, OpConst64, t)
  1083  		v0.AuxInt = c
  1084  		v.AddArg(v0)
  1085  		v.AddArg(x)
  1086  		return true
  1087  	}
  1088  	// match: (And64 x x)
  1089  	// cond:
  1090  	// result: x
  1091  	for {
  1092  		x := v.Args[0]
  1093  		if x != v.Args[1] {
  1094  			break
  1095  		}
  1096  		v.reset(OpCopy)
  1097  		v.Type = x.Type
  1098  		v.AddArg(x)
  1099  		return true
  1100  	}
  1101  	// match: (And64 (Const64 [-1]) x)
  1102  	// cond:
  1103  	// result: x
  1104  	for {
  1105  		v_0 := v.Args[0]
  1106  		if v_0.Op != OpConst64 {
  1107  			break
  1108  		}
  1109  		if v_0.AuxInt != -1 {
  1110  			break
  1111  		}
  1112  		x := v.Args[1]
  1113  		v.reset(OpCopy)
  1114  		v.Type = x.Type
  1115  		v.AddArg(x)
  1116  		return true
  1117  	}
  1118  	// match: (And64 (Const64 [0]) _)
  1119  	// cond:
  1120  	// result: (Const64 [0])
  1121  	for {
  1122  		v_0 := v.Args[0]
  1123  		if v_0.Op != OpConst64 {
  1124  			break
  1125  		}
  1126  		if v_0.AuxInt != 0 {
  1127  			break
  1128  		}
  1129  		v.reset(OpConst64)
  1130  		v.AuxInt = 0
  1131  		return true
  1132  	}
  1133  	// match: (And64 x (And64 x y))
  1134  	// cond:
  1135  	// result: (And64 x y)
  1136  	for {
  1137  		x := v.Args[0]
  1138  		v_1 := v.Args[1]
  1139  		if v_1.Op != OpAnd64 {
  1140  			break
  1141  		}
  1142  		if x != v_1.Args[0] {
  1143  			break
  1144  		}
  1145  		y := v_1.Args[1]
  1146  		v.reset(OpAnd64)
  1147  		v.AddArg(x)
  1148  		v.AddArg(y)
  1149  		return true
  1150  	}
  1151  	// match: (And64 x (And64 y x))
  1152  	// cond:
  1153  	// result: (And64 x y)
  1154  	for {
  1155  		x := v.Args[0]
  1156  		v_1 := v.Args[1]
  1157  		if v_1.Op != OpAnd64 {
  1158  			break
  1159  		}
  1160  		y := v_1.Args[0]
  1161  		if x != v_1.Args[1] {
  1162  			break
  1163  		}
  1164  		v.reset(OpAnd64)
  1165  		v.AddArg(x)
  1166  		v.AddArg(y)
  1167  		return true
  1168  	}
  1169  	// match: (And64 (And64 x y) x)
  1170  	// cond:
  1171  	// result: (And64 x y)
  1172  	for {
  1173  		v_0 := v.Args[0]
  1174  		if v_0.Op != OpAnd64 {
  1175  			break
  1176  		}
  1177  		x := v_0.Args[0]
  1178  		y := v_0.Args[1]
  1179  		if x != v.Args[1] {
  1180  			break
  1181  		}
  1182  		v.reset(OpAnd64)
  1183  		v.AddArg(x)
  1184  		v.AddArg(y)
  1185  		return true
  1186  	}
  1187  	// match: (And64 (And64 x y) y)
  1188  	// cond:
  1189  	// result: (And64 x y)
  1190  	for {
  1191  		v_0 := v.Args[0]
  1192  		if v_0.Op != OpAnd64 {
  1193  			break
  1194  		}
  1195  		x := v_0.Args[0]
  1196  		y := v_0.Args[1]
  1197  		if y != v.Args[1] {
  1198  			break
  1199  		}
  1200  		v.reset(OpAnd64)
  1201  		v.AddArg(x)
  1202  		v.AddArg(y)
  1203  		return true
  1204  	}
  1205  	// match: (And64 <t> (Const64 [y]) x)
  1206  	// cond: nlz(y) + nto(y) == 64 && nto(y) >= 32
  1207  	// result: (Rsh64Ux64 (Lsh64x64 <t> x (Const64 <t> [nlz(y)])) (Const64 <t> [nlz(y)]))
  1208  	for {
  1209  		t := v.Type
  1210  		v_0 := v.Args[0]
  1211  		if v_0.Op != OpConst64 {
  1212  			break
  1213  		}
  1214  		y := v_0.AuxInt
  1215  		x := v.Args[1]
  1216  		if !(nlz(y)+nto(y) == 64 && nto(y) >= 32) {
  1217  			break
  1218  		}
  1219  		v.reset(OpRsh64Ux64)
  1220  		v0 := b.NewValue0(v.Line, OpLsh64x64, t)
  1221  		v0.AddArg(x)
  1222  		v1 := b.NewValue0(v.Line, OpConst64, t)
  1223  		v1.AuxInt = nlz(y)
  1224  		v0.AddArg(v1)
  1225  		v.AddArg(v0)
  1226  		v2 := b.NewValue0(v.Line, OpConst64, t)
  1227  		v2.AuxInt = nlz(y)
  1228  		v.AddArg(v2)
  1229  		return true
  1230  	}
  1231  	// match: (And64 <t> (Const64 [y]) x)
  1232  	// cond: nlo(y) + ntz(y) == 64 && ntz(y) >= 32
  1233  	// result: (Lsh64x64 (Rsh64Ux64 <t> x (Const64 <t> [ntz(y)])) (Const64 <t> [ntz(y)]))
  1234  	for {
  1235  		t := v.Type
  1236  		v_0 := v.Args[0]
  1237  		if v_0.Op != OpConst64 {
  1238  			break
  1239  		}
  1240  		y := v_0.AuxInt
  1241  		x := v.Args[1]
  1242  		if !(nlo(y)+ntz(y) == 64 && ntz(y) >= 32) {
  1243  			break
  1244  		}
  1245  		v.reset(OpLsh64x64)
  1246  		v0 := b.NewValue0(v.Line, OpRsh64Ux64, t)
  1247  		v0.AddArg(x)
  1248  		v1 := b.NewValue0(v.Line, OpConst64, t)
  1249  		v1.AuxInt = ntz(y)
  1250  		v0.AddArg(v1)
  1251  		v.AddArg(v0)
  1252  		v2 := b.NewValue0(v.Line, OpConst64, t)
  1253  		v2.AuxInt = ntz(y)
  1254  		v.AddArg(v2)
  1255  		return true
  1256  	}
  1257  	return false
  1258  }
  1259  func rewriteValuegeneric_OpAnd8(v *Value, config *Config) bool {
  1260  	b := v.Block
  1261  	_ = b
  1262  	// match: (And8  x (Const8  <t> [c]))
  1263  	// cond: x.Op != OpConst8
  1264  	// result: (And8  (Const8  <t> [c]) x)
  1265  	for {
  1266  		x := v.Args[0]
  1267  		v_1 := v.Args[1]
  1268  		if v_1.Op != OpConst8 {
  1269  			break
  1270  		}
  1271  		t := v_1.Type
  1272  		c := v_1.AuxInt
  1273  		if !(x.Op != OpConst8) {
  1274  			break
  1275  		}
  1276  		v.reset(OpAnd8)
  1277  		v0 := b.NewValue0(v.Line, OpConst8, t)
  1278  		v0.AuxInt = c
  1279  		v.AddArg(v0)
  1280  		v.AddArg(x)
  1281  		return true
  1282  	}
  1283  	// match: (And8  x x)
  1284  	// cond:
  1285  	// result: x
  1286  	for {
  1287  		x := v.Args[0]
  1288  		if x != v.Args[1] {
  1289  			break
  1290  		}
  1291  		v.reset(OpCopy)
  1292  		v.Type = x.Type
  1293  		v.AddArg(x)
  1294  		return true
  1295  	}
  1296  	// match: (And8  (Const8  [-1]) x)
  1297  	// cond:
  1298  	// result: x
  1299  	for {
  1300  		v_0 := v.Args[0]
  1301  		if v_0.Op != OpConst8 {
  1302  			break
  1303  		}
  1304  		if v_0.AuxInt != -1 {
  1305  			break
  1306  		}
  1307  		x := v.Args[1]
  1308  		v.reset(OpCopy)
  1309  		v.Type = x.Type
  1310  		v.AddArg(x)
  1311  		return true
  1312  	}
  1313  	// match: (And8  (Const8  [0]) _)
  1314  	// cond:
  1315  	// result: (Const8  [0])
  1316  	for {
  1317  		v_0 := v.Args[0]
  1318  		if v_0.Op != OpConst8 {
  1319  			break
  1320  		}
  1321  		if v_0.AuxInt != 0 {
  1322  			break
  1323  		}
  1324  		v.reset(OpConst8)
  1325  		v.AuxInt = 0
  1326  		return true
  1327  	}
  1328  	// match: (And8  x (And8  x y))
  1329  	// cond:
  1330  	// result: (And8  x y)
  1331  	for {
  1332  		x := v.Args[0]
  1333  		v_1 := v.Args[1]
  1334  		if v_1.Op != OpAnd8 {
  1335  			break
  1336  		}
  1337  		if x != v_1.Args[0] {
  1338  			break
  1339  		}
  1340  		y := v_1.Args[1]
  1341  		v.reset(OpAnd8)
  1342  		v.AddArg(x)
  1343  		v.AddArg(y)
  1344  		return true
  1345  	}
  1346  	// match: (And8  x (And8  y x))
  1347  	// cond:
  1348  	// result: (And8  x y)
  1349  	for {
  1350  		x := v.Args[0]
  1351  		v_1 := v.Args[1]
  1352  		if v_1.Op != OpAnd8 {
  1353  			break
  1354  		}
  1355  		y := v_1.Args[0]
  1356  		if x != v_1.Args[1] {
  1357  			break
  1358  		}
  1359  		v.reset(OpAnd8)
  1360  		v.AddArg(x)
  1361  		v.AddArg(y)
  1362  		return true
  1363  	}
  1364  	// match: (And8  (And8  x y) x)
  1365  	// cond:
  1366  	// result: (And8  x y)
  1367  	for {
  1368  		v_0 := v.Args[0]
  1369  		if v_0.Op != OpAnd8 {
  1370  			break
  1371  		}
  1372  		x := v_0.Args[0]
  1373  		y := v_0.Args[1]
  1374  		if x != v.Args[1] {
  1375  			break
  1376  		}
  1377  		v.reset(OpAnd8)
  1378  		v.AddArg(x)
  1379  		v.AddArg(y)
  1380  		return true
  1381  	}
  1382  	// match: (And8  (And8  x y) y)
  1383  	// cond:
  1384  	// result: (And8  x y)
  1385  	for {
  1386  		v_0 := v.Args[0]
  1387  		if v_0.Op != OpAnd8 {
  1388  			break
  1389  		}
  1390  		x := v_0.Args[0]
  1391  		y := v_0.Args[1]
  1392  		if y != v.Args[1] {
  1393  			break
  1394  		}
  1395  		v.reset(OpAnd8)
  1396  		v.AddArg(x)
  1397  		v.AddArg(y)
  1398  		return true
  1399  	}
  1400  	return false
  1401  }
  1402  func rewriteValuegeneric_OpArg(v *Value, config *Config) bool {
  1403  	b := v.Block
  1404  	_ = b
  1405  	// match: (Arg {n} [off])
  1406  	// cond: v.Type.IsString()
  1407  	// result: (StringMake     (Arg <config.fe.TypeBytePtr()> {n} [off])     (Arg <config.fe.TypeInt()> {n} [off+config.PtrSize]))
  1408  	for {
  1409  		off := v.AuxInt
  1410  		n := v.Aux
  1411  		if !(v.Type.IsString()) {
  1412  			break
  1413  		}
  1414  		v.reset(OpStringMake)
  1415  		v0 := b.NewValue0(v.Line, OpArg, config.fe.TypeBytePtr())
  1416  		v0.AuxInt = off
  1417  		v0.Aux = n
  1418  		v.AddArg(v0)
  1419  		v1 := b.NewValue0(v.Line, OpArg, config.fe.TypeInt())
  1420  		v1.AuxInt = off + config.PtrSize
  1421  		v1.Aux = n
  1422  		v.AddArg(v1)
  1423  		return true
  1424  	}
  1425  	// match: (Arg {n} [off])
  1426  	// cond: v.Type.IsSlice()
  1427  	// result: (SliceMake     (Arg <v.Type.ElemType().PtrTo()> {n} [off])     (Arg <config.fe.TypeInt()> {n} [off+config.PtrSize])     (Arg <config.fe.TypeInt()> {n} [off+2*config.PtrSize]))
  1428  	for {
  1429  		off := v.AuxInt
  1430  		n := v.Aux
  1431  		if !(v.Type.IsSlice()) {
  1432  			break
  1433  		}
  1434  		v.reset(OpSliceMake)
  1435  		v0 := b.NewValue0(v.Line, OpArg, v.Type.ElemType().PtrTo())
  1436  		v0.AuxInt = off
  1437  		v0.Aux = n
  1438  		v.AddArg(v0)
  1439  		v1 := b.NewValue0(v.Line, OpArg, config.fe.TypeInt())
  1440  		v1.AuxInt = off + config.PtrSize
  1441  		v1.Aux = n
  1442  		v.AddArg(v1)
  1443  		v2 := b.NewValue0(v.Line, OpArg, config.fe.TypeInt())
  1444  		v2.AuxInt = off + 2*config.PtrSize
  1445  		v2.Aux = n
  1446  		v.AddArg(v2)
  1447  		return true
  1448  	}
  1449  	// match: (Arg {n} [off])
  1450  	// cond: v.Type.IsInterface()
  1451  	// result: (IMake     (Arg <config.fe.TypeBytePtr()> {n} [off])     (Arg <config.fe.TypeBytePtr()> {n} [off+config.PtrSize]))
  1452  	for {
  1453  		off := v.AuxInt
  1454  		n := v.Aux
  1455  		if !(v.Type.IsInterface()) {
  1456  			break
  1457  		}
  1458  		v.reset(OpIMake)
  1459  		v0 := b.NewValue0(v.Line, OpArg, config.fe.TypeBytePtr())
  1460  		v0.AuxInt = off
  1461  		v0.Aux = n
  1462  		v.AddArg(v0)
  1463  		v1 := b.NewValue0(v.Line, OpArg, config.fe.TypeBytePtr())
  1464  		v1.AuxInt = off + config.PtrSize
  1465  		v1.Aux = n
  1466  		v.AddArg(v1)
  1467  		return true
  1468  	}
  1469  	// match: (Arg {n} [off])
  1470  	// cond: v.Type.IsComplex() && v.Type.Size() == 16
  1471  	// result: (ComplexMake     (Arg <config.fe.TypeFloat64()> {n} [off])     (Arg <config.fe.TypeFloat64()> {n} [off+8]))
  1472  	for {
  1473  		off := v.AuxInt
  1474  		n := v.Aux
  1475  		if !(v.Type.IsComplex() && v.Type.Size() == 16) {
  1476  			break
  1477  		}
  1478  		v.reset(OpComplexMake)
  1479  		v0 := b.NewValue0(v.Line, OpArg, config.fe.TypeFloat64())
  1480  		v0.AuxInt = off
  1481  		v0.Aux = n
  1482  		v.AddArg(v0)
  1483  		v1 := b.NewValue0(v.Line, OpArg, config.fe.TypeFloat64())
  1484  		v1.AuxInt = off + 8
  1485  		v1.Aux = n
  1486  		v.AddArg(v1)
  1487  		return true
  1488  	}
  1489  	// match: (Arg {n} [off])
  1490  	// cond: v.Type.IsComplex() && v.Type.Size() == 8
  1491  	// result: (ComplexMake     (Arg <config.fe.TypeFloat32()> {n} [off])     (Arg <config.fe.TypeFloat32()> {n} [off+4]))
  1492  	for {
  1493  		off := v.AuxInt
  1494  		n := v.Aux
  1495  		if !(v.Type.IsComplex() && v.Type.Size() == 8) {
  1496  			break
  1497  		}
  1498  		v.reset(OpComplexMake)
  1499  		v0 := b.NewValue0(v.Line, OpArg, config.fe.TypeFloat32())
  1500  		v0.AuxInt = off
  1501  		v0.Aux = n
  1502  		v.AddArg(v0)
  1503  		v1 := b.NewValue0(v.Line, OpArg, config.fe.TypeFloat32())
  1504  		v1.AuxInt = off + 4
  1505  		v1.Aux = n
  1506  		v.AddArg(v1)
  1507  		return true
  1508  	}
  1509  	// match: (Arg <t>)
  1510  	// cond: t.IsStruct() && t.NumFields() == 0 && config.fe.CanSSA(t)
  1511  	// result: (StructMake0)
  1512  	for {
  1513  		t := v.Type
  1514  		if !(t.IsStruct() && t.NumFields() == 0 && config.fe.CanSSA(t)) {
  1515  			break
  1516  		}
  1517  		v.reset(OpStructMake0)
  1518  		return true
  1519  	}
  1520  	// match: (Arg <t> {n} [off])
  1521  	// cond: t.IsStruct() && t.NumFields() == 1 && config.fe.CanSSA(t)
  1522  	// result: (StructMake1     (Arg <t.FieldType(0)> {n} [off+t.FieldOff(0)]))
  1523  	for {
  1524  		t := v.Type
  1525  		off := v.AuxInt
  1526  		n := v.Aux
  1527  		if !(t.IsStruct() && t.NumFields() == 1 && config.fe.CanSSA(t)) {
  1528  			break
  1529  		}
  1530  		v.reset(OpStructMake1)
  1531  		v0 := b.NewValue0(v.Line, OpArg, t.FieldType(0))
  1532  		v0.AuxInt = off + t.FieldOff(0)
  1533  		v0.Aux = n
  1534  		v.AddArg(v0)
  1535  		return true
  1536  	}
  1537  	// match: (Arg <t> {n} [off])
  1538  	// cond: t.IsStruct() && t.NumFields() == 2 && config.fe.CanSSA(t)
  1539  	// result: (StructMake2     (Arg <t.FieldType(0)> {n} [off+t.FieldOff(0)])     (Arg <t.FieldType(1)> {n} [off+t.FieldOff(1)]))
  1540  	for {
  1541  		t := v.Type
  1542  		off := v.AuxInt
  1543  		n := v.Aux
  1544  		if !(t.IsStruct() && t.NumFields() == 2 && config.fe.CanSSA(t)) {
  1545  			break
  1546  		}
  1547  		v.reset(OpStructMake2)
  1548  		v0 := b.NewValue0(v.Line, OpArg, t.FieldType(0))
  1549  		v0.AuxInt = off + t.FieldOff(0)
  1550  		v0.Aux = n
  1551  		v.AddArg(v0)
  1552  		v1 := b.NewValue0(v.Line, OpArg, t.FieldType(1))
  1553  		v1.AuxInt = off + t.FieldOff(1)
  1554  		v1.Aux = n
  1555  		v.AddArg(v1)
  1556  		return true
  1557  	}
  1558  	// match: (Arg <t> {n} [off])
  1559  	// cond: t.IsStruct() && t.NumFields() == 3 && config.fe.CanSSA(t)
  1560  	// result: (StructMake3     (Arg <t.FieldType(0)> {n} [off+t.FieldOff(0)])     (Arg <t.FieldType(1)> {n} [off+t.FieldOff(1)])     (Arg <t.FieldType(2)> {n} [off+t.FieldOff(2)]))
  1561  	for {
  1562  		t := v.Type
  1563  		off := v.AuxInt
  1564  		n := v.Aux
  1565  		if !(t.IsStruct() && t.NumFields() == 3 && config.fe.CanSSA(t)) {
  1566  			break
  1567  		}
  1568  		v.reset(OpStructMake3)
  1569  		v0 := b.NewValue0(v.Line, OpArg, t.FieldType(0))
  1570  		v0.AuxInt = off + t.FieldOff(0)
  1571  		v0.Aux = n
  1572  		v.AddArg(v0)
  1573  		v1 := b.NewValue0(v.Line, OpArg, t.FieldType(1))
  1574  		v1.AuxInt = off + t.FieldOff(1)
  1575  		v1.Aux = n
  1576  		v.AddArg(v1)
  1577  		v2 := b.NewValue0(v.Line, OpArg, t.FieldType(2))
  1578  		v2.AuxInt = off + t.FieldOff(2)
  1579  		v2.Aux = n
  1580  		v.AddArg(v2)
  1581  		return true
  1582  	}
  1583  	// match: (Arg <t> {n} [off])
  1584  	// cond: t.IsStruct() && t.NumFields() == 4 && config.fe.CanSSA(t)
  1585  	// result: (StructMake4     (Arg <t.FieldType(0)> {n} [off+t.FieldOff(0)])     (Arg <t.FieldType(1)> {n} [off+t.FieldOff(1)])     (Arg <t.FieldType(2)> {n} [off+t.FieldOff(2)])     (Arg <t.FieldType(3)> {n} [off+t.FieldOff(3)]))
  1586  	for {
  1587  		t := v.Type
  1588  		off := v.AuxInt
  1589  		n := v.Aux
  1590  		if !(t.IsStruct() && t.NumFields() == 4 && config.fe.CanSSA(t)) {
  1591  			break
  1592  		}
  1593  		v.reset(OpStructMake4)
  1594  		v0 := b.NewValue0(v.Line, OpArg, t.FieldType(0))
  1595  		v0.AuxInt = off + t.FieldOff(0)
  1596  		v0.Aux = n
  1597  		v.AddArg(v0)
  1598  		v1 := b.NewValue0(v.Line, OpArg, t.FieldType(1))
  1599  		v1.AuxInt = off + t.FieldOff(1)
  1600  		v1.Aux = n
  1601  		v.AddArg(v1)
  1602  		v2 := b.NewValue0(v.Line, OpArg, t.FieldType(2))
  1603  		v2.AuxInt = off + t.FieldOff(2)
  1604  		v2.Aux = n
  1605  		v.AddArg(v2)
  1606  		v3 := b.NewValue0(v.Line, OpArg, t.FieldType(3))
  1607  		v3.AuxInt = off + t.FieldOff(3)
  1608  		v3.Aux = n
  1609  		v.AddArg(v3)
  1610  		return true
  1611  	}
  1612  	// match: (Arg <t>)
  1613  	// cond: t.IsArray() && t.NumElem() == 0
  1614  	// result: (ArrayMake0)
  1615  	for {
  1616  		t := v.Type
  1617  		if !(t.IsArray() && t.NumElem() == 0) {
  1618  			break
  1619  		}
  1620  		v.reset(OpArrayMake0)
  1621  		return true
  1622  	}
  1623  	// match: (Arg <t> {n} [off])
  1624  	// cond: t.IsArray() && t.NumElem() == 1 && config.fe.CanSSA(t)
  1625  	// result: (ArrayMake1 (Arg <t.ElemType()> {n} [off]))
  1626  	for {
  1627  		t := v.Type
  1628  		off := v.AuxInt
  1629  		n := v.Aux
  1630  		if !(t.IsArray() && t.NumElem() == 1 && config.fe.CanSSA(t)) {
  1631  			break
  1632  		}
  1633  		v.reset(OpArrayMake1)
  1634  		v0 := b.NewValue0(v.Line, OpArg, t.ElemType())
  1635  		v0.AuxInt = off
  1636  		v0.Aux = n
  1637  		v.AddArg(v0)
  1638  		return true
  1639  	}
  1640  	return false
  1641  }
  1642  func rewriteValuegeneric_OpArraySelect(v *Value, config *Config) bool {
  1643  	b := v.Block
  1644  	_ = b
  1645  	// match: (ArraySelect (ArrayMake1 x))
  1646  	// cond:
  1647  	// result: x
  1648  	for {
  1649  		v_0 := v.Args[0]
  1650  		if v_0.Op != OpArrayMake1 {
  1651  			break
  1652  		}
  1653  		x := v_0.Args[0]
  1654  		v.reset(OpCopy)
  1655  		v.Type = x.Type
  1656  		v.AddArg(x)
  1657  		return true
  1658  	}
  1659  	// match: (ArraySelect [0] (Load ptr mem))
  1660  	// cond:
  1661  	// result: (Load ptr mem)
  1662  	for {
  1663  		if v.AuxInt != 0 {
  1664  			break
  1665  		}
  1666  		v_0 := v.Args[0]
  1667  		if v_0.Op != OpLoad {
  1668  			break
  1669  		}
  1670  		ptr := v_0.Args[0]
  1671  		mem := v_0.Args[1]
  1672  		v.reset(OpLoad)
  1673  		v.AddArg(ptr)
  1674  		v.AddArg(mem)
  1675  		return true
  1676  	}
  1677  	return false
  1678  }
  1679  func rewriteValuegeneric_OpCom16(v *Value, config *Config) bool {
  1680  	b := v.Block
  1681  	_ = b
  1682  	// match: (Com16 (Com16 x))
  1683  	// cond:
  1684  	// result: x
  1685  	for {
  1686  		v_0 := v.Args[0]
  1687  		if v_0.Op != OpCom16 {
  1688  			break
  1689  		}
  1690  		x := v_0.Args[0]
  1691  		v.reset(OpCopy)
  1692  		v.Type = x.Type
  1693  		v.AddArg(x)
  1694  		return true
  1695  	}
  1696  	return false
  1697  }
  1698  func rewriteValuegeneric_OpCom32(v *Value, config *Config) bool {
  1699  	b := v.Block
  1700  	_ = b
  1701  	// match: (Com32 (Com32 x))
  1702  	// cond:
  1703  	// result: x
  1704  	for {
  1705  		v_0 := v.Args[0]
  1706  		if v_0.Op != OpCom32 {
  1707  			break
  1708  		}
  1709  		x := v_0.Args[0]
  1710  		v.reset(OpCopy)
  1711  		v.Type = x.Type
  1712  		v.AddArg(x)
  1713  		return true
  1714  	}
  1715  	return false
  1716  }
  1717  func rewriteValuegeneric_OpCom64(v *Value, config *Config) bool {
  1718  	b := v.Block
  1719  	_ = b
  1720  	// match: (Com64 (Com64 x))
  1721  	// cond:
  1722  	// result: x
  1723  	for {
  1724  		v_0 := v.Args[0]
  1725  		if v_0.Op != OpCom64 {
  1726  			break
  1727  		}
  1728  		x := v_0.Args[0]
  1729  		v.reset(OpCopy)
  1730  		v.Type = x.Type
  1731  		v.AddArg(x)
  1732  		return true
  1733  	}
  1734  	return false
  1735  }
  1736  func rewriteValuegeneric_OpCom8(v *Value, config *Config) bool {
  1737  	b := v.Block
  1738  	_ = b
  1739  	// match: (Com8  (Com8  x))
  1740  	// cond:
  1741  	// result: x
  1742  	for {
  1743  		v_0 := v.Args[0]
  1744  		if v_0.Op != OpCom8 {
  1745  			break
  1746  		}
  1747  		x := v_0.Args[0]
  1748  		v.reset(OpCopy)
  1749  		v.Type = x.Type
  1750  		v.AddArg(x)
  1751  		return true
  1752  	}
  1753  	return false
  1754  }
  1755  func rewriteValuegeneric_OpConstInterface(v *Value, config *Config) bool {
  1756  	b := v.Block
  1757  	_ = b
  1758  	// match: (ConstInterface)
  1759  	// cond:
  1760  	// result: (IMake     (ConstNil <config.fe.TypeBytePtr()>)     (ConstNil <config.fe.TypeBytePtr()>))
  1761  	for {
  1762  		v.reset(OpIMake)
  1763  		v0 := b.NewValue0(v.Line, OpConstNil, config.fe.TypeBytePtr())
  1764  		v.AddArg(v0)
  1765  		v1 := b.NewValue0(v.Line, OpConstNil, config.fe.TypeBytePtr())
  1766  		v.AddArg(v1)
  1767  		return true
  1768  	}
  1769  }
  1770  func rewriteValuegeneric_OpConstSlice(v *Value, config *Config) bool {
  1771  	b := v.Block
  1772  	_ = b
  1773  	// match: (ConstSlice)
  1774  	// cond: config.PtrSize == 4
  1775  	// result: (SliceMake     (ConstNil <v.Type.ElemType().PtrTo()>)     (Const32 <config.fe.TypeInt()> [0])     (Const32 <config.fe.TypeInt()> [0]))
  1776  	for {
  1777  		if !(config.PtrSize == 4) {
  1778  			break
  1779  		}
  1780  		v.reset(OpSliceMake)
  1781  		v0 := b.NewValue0(v.Line, OpConstNil, v.Type.ElemType().PtrTo())
  1782  		v.AddArg(v0)
  1783  		v1 := b.NewValue0(v.Line, OpConst32, config.fe.TypeInt())
  1784  		v1.AuxInt = 0
  1785  		v.AddArg(v1)
  1786  		v2 := b.NewValue0(v.Line, OpConst32, config.fe.TypeInt())
  1787  		v2.AuxInt = 0
  1788  		v.AddArg(v2)
  1789  		return true
  1790  	}
  1791  	// match: (ConstSlice)
  1792  	// cond: config.PtrSize == 8
  1793  	// result: (SliceMake     (ConstNil <v.Type.ElemType().PtrTo()>)     (Const64 <config.fe.TypeInt()> [0])     (Const64 <config.fe.TypeInt()> [0]))
  1794  	for {
  1795  		if !(config.PtrSize == 8) {
  1796  			break
  1797  		}
  1798  		v.reset(OpSliceMake)
  1799  		v0 := b.NewValue0(v.Line, OpConstNil, v.Type.ElemType().PtrTo())
  1800  		v.AddArg(v0)
  1801  		v1 := b.NewValue0(v.Line, OpConst64, config.fe.TypeInt())
  1802  		v1.AuxInt = 0
  1803  		v.AddArg(v1)
  1804  		v2 := b.NewValue0(v.Line, OpConst64, config.fe.TypeInt())
  1805  		v2.AuxInt = 0
  1806  		v.AddArg(v2)
  1807  		return true
  1808  	}
  1809  	return false
  1810  }
  1811  func rewriteValuegeneric_OpConstString(v *Value, config *Config) bool {
  1812  	b := v.Block
  1813  	_ = b
  1814  	// match: (ConstString {s})
  1815  	// cond: config.PtrSize == 4 && s.(string) == ""
  1816  	// result: (StringMake (ConstNil) (Const32 <config.fe.TypeInt()> [0]))
  1817  	for {
  1818  		s := v.Aux
  1819  		if !(config.PtrSize == 4 && s.(string) == "") {
  1820  			break
  1821  		}
  1822  		v.reset(OpStringMake)
  1823  		v0 := b.NewValue0(v.Line, OpConstNil, config.fe.TypeBytePtr())
  1824  		v.AddArg(v0)
  1825  		v1 := b.NewValue0(v.Line, OpConst32, config.fe.TypeInt())
  1826  		v1.AuxInt = 0
  1827  		v.AddArg(v1)
  1828  		return true
  1829  	}
  1830  	// match: (ConstString {s})
  1831  	// cond: config.PtrSize == 8 && s.(string) == ""
  1832  	// result: (StringMake (ConstNil) (Const64 <config.fe.TypeInt()> [0]))
  1833  	for {
  1834  		s := v.Aux
  1835  		if !(config.PtrSize == 8 && s.(string) == "") {
  1836  			break
  1837  		}
  1838  		v.reset(OpStringMake)
  1839  		v0 := b.NewValue0(v.Line, OpConstNil, config.fe.TypeBytePtr())
  1840  		v.AddArg(v0)
  1841  		v1 := b.NewValue0(v.Line, OpConst64, config.fe.TypeInt())
  1842  		v1.AuxInt = 0
  1843  		v.AddArg(v1)
  1844  		return true
  1845  	}
  1846  	// match: (ConstString {s})
  1847  	// cond: config.PtrSize == 4 && s.(string) != ""
  1848  	// result: (StringMake     (Addr <config.fe.TypeBytePtr()> {config.fe.StringData(s.(string))}       (SB))     (Const32 <config.fe.TypeInt()> [int64(len(s.(string)))]))
  1849  	for {
  1850  		s := v.Aux
  1851  		if !(config.PtrSize == 4 && s.(string) != "") {
  1852  			break
  1853  		}
  1854  		v.reset(OpStringMake)
  1855  		v0 := b.NewValue0(v.Line, OpAddr, config.fe.TypeBytePtr())
  1856  		v0.Aux = config.fe.StringData(s.(string))
  1857  		v1 := b.NewValue0(v.Line, OpSB, config.fe.TypeUintptr())
  1858  		v0.AddArg(v1)
  1859  		v.AddArg(v0)
  1860  		v2 := b.NewValue0(v.Line, OpConst32, config.fe.TypeInt())
  1861  		v2.AuxInt = int64(len(s.(string)))
  1862  		v.AddArg(v2)
  1863  		return true
  1864  	}
  1865  	// match: (ConstString {s})
  1866  	// cond: config.PtrSize == 8 && s.(string) != ""
  1867  	// result: (StringMake     (Addr <config.fe.TypeBytePtr()> {config.fe.StringData(s.(string))}       (SB))     (Const64 <config.fe.TypeInt()> [int64(len(s.(string)))]))
  1868  	for {
  1869  		s := v.Aux
  1870  		if !(config.PtrSize == 8 && s.(string) != "") {
  1871  			break
  1872  		}
  1873  		v.reset(OpStringMake)
  1874  		v0 := b.NewValue0(v.Line, OpAddr, config.fe.TypeBytePtr())
  1875  		v0.Aux = config.fe.StringData(s.(string))
  1876  		v1 := b.NewValue0(v.Line, OpSB, config.fe.TypeUintptr())
  1877  		v0.AddArg(v1)
  1878  		v.AddArg(v0)
  1879  		v2 := b.NewValue0(v.Line, OpConst64, config.fe.TypeInt())
  1880  		v2.AuxInt = int64(len(s.(string)))
  1881  		v.AddArg(v2)
  1882  		return true
  1883  	}
  1884  	return false
  1885  }
  1886  func rewriteValuegeneric_OpConvert(v *Value, config *Config) bool {
  1887  	b := v.Block
  1888  	_ = b
  1889  	// match: (Convert (Add64 (Convert ptr mem) off) mem)
  1890  	// cond:
  1891  	// result: (Add64 ptr off)
  1892  	for {
  1893  		v_0 := v.Args[0]
  1894  		if v_0.Op != OpAdd64 {
  1895  			break
  1896  		}
  1897  		v_0_0 := v_0.Args[0]
  1898  		if v_0_0.Op != OpConvert {
  1899  			break
  1900  		}
  1901  		ptr := v_0_0.Args[0]
  1902  		mem := v_0_0.Args[1]
  1903  		off := v_0.Args[1]
  1904  		if mem != v.Args[1] {
  1905  			break
  1906  		}
  1907  		v.reset(OpAdd64)
  1908  		v.AddArg(ptr)
  1909  		v.AddArg(off)
  1910  		return true
  1911  	}
  1912  	// match: (Convert (Add64 off (Convert ptr mem)) mem)
  1913  	// cond:
  1914  	// result: (Add64 ptr off)
  1915  	for {
  1916  		v_0 := v.Args[0]
  1917  		if v_0.Op != OpAdd64 {
  1918  			break
  1919  		}
  1920  		off := v_0.Args[0]
  1921  		v_0_1 := v_0.Args[1]
  1922  		if v_0_1.Op != OpConvert {
  1923  			break
  1924  		}
  1925  		ptr := v_0_1.Args[0]
  1926  		mem := v_0_1.Args[1]
  1927  		if mem != v.Args[1] {
  1928  			break
  1929  		}
  1930  		v.reset(OpAdd64)
  1931  		v.AddArg(ptr)
  1932  		v.AddArg(off)
  1933  		return true
  1934  	}
  1935  	// match: (Convert (Convert ptr mem) mem)
  1936  	// cond:
  1937  	// result: ptr
  1938  	for {
  1939  		v_0 := v.Args[0]
  1940  		if v_0.Op != OpConvert {
  1941  			break
  1942  		}
  1943  		ptr := v_0.Args[0]
  1944  		mem := v_0.Args[1]
  1945  		if mem != v.Args[1] {
  1946  			break
  1947  		}
  1948  		v.reset(OpCopy)
  1949  		v.Type = ptr.Type
  1950  		v.AddArg(ptr)
  1951  		return true
  1952  	}
  1953  	return false
  1954  }
  1955  func rewriteValuegeneric_OpCvt32Fto64F(v *Value, config *Config) bool {
  1956  	b := v.Block
  1957  	_ = b
  1958  	// match: (Cvt32Fto64F (Const32F [c]))
  1959  	// cond:
  1960  	// result: (Const64F [c])
  1961  	for {
  1962  		v_0 := v.Args[0]
  1963  		if v_0.Op != OpConst32F {
  1964  			break
  1965  		}
  1966  		c := v_0.AuxInt
  1967  		v.reset(OpConst64F)
  1968  		v.AuxInt = c
  1969  		return true
  1970  	}
  1971  	return false
  1972  }
  1973  func rewriteValuegeneric_OpCvt64Fto32F(v *Value, config *Config) bool {
  1974  	b := v.Block
  1975  	_ = b
  1976  	// match: (Cvt64Fto32F (Const64F [c]))
  1977  	// cond:
  1978  	// result: (Const32F [f2i(float64(i2f32(c)))])
  1979  	for {
  1980  		v_0 := v.Args[0]
  1981  		if v_0.Op != OpConst64F {
  1982  			break
  1983  		}
  1984  		c := v_0.AuxInt
  1985  		v.reset(OpConst32F)
  1986  		v.AuxInt = f2i(float64(i2f32(c)))
  1987  		return true
  1988  	}
  1989  	return false
  1990  }
  1991  func rewriteValuegeneric_OpDiv32F(v *Value, config *Config) bool {
  1992  	b := v.Block
  1993  	_ = b
  1994  	// match: (Div32F x (Const32F [f2i(1)]))
  1995  	// cond:
  1996  	// result: x
  1997  	for {
  1998  		x := v.Args[0]
  1999  		v_1 := v.Args[1]
  2000  		if v_1.Op != OpConst32F {
  2001  			break
  2002  		}
  2003  		if v_1.AuxInt != f2i(1) {
  2004  			break
  2005  		}
  2006  		v.reset(OpCopy)
  2007  		v.Type = x.Type
  2008  		v.AddArg(x)
  2009  		return true
  2010  	}
  2011  	// match: (Div32F x (Const32F [f2i(-1)]))
  2012  	// cond:
  2013  	// result: (Neg32F x)
  2014  	for {
  2015  		x := v.Args[0]
  2016  		v_1 := v.Args[1]
  2017  		if v_1.Op != OpConst32F {
  2018  			break
  2019  		}
  2020  		if v_1.AuxInt != f2i(-1) {
  2021  			break
  2022  		}
  2023  		v.reset(OpNeg32F)
  2024  		v.AddArg(x)
  2025  		return true
  2026  	}
  2027  	return false
  2028  }
  2029  func rewriteValuegeneric_OpDiv64(v *Value, config *Config) bool {
  2030  	b := v.Block
  2031  	_ = b
  2032  	// match: (Div64 <t> x (Const64 [c]))
  2033  	// cond: c > 0 && smagic64ok(c) && smagic64m(c) > 0
  2034  	// result: (Sub64 <t>     (Rsh64x64 <t>       (Hmul64 <t>         (Const64 <t> [smagic64m(c)])         x)       (Const64 <t> [smagic64s(c)]))     (Rsh64x64 <t>       x       (Const64 <t> [63])))
  2035  	for {
  2036  		t := v.Type
  2037  		x := v.Args[0]
  2038  		v_1 := v.Args[1]
  2039  		if v_1.Op != OpConst64 {
  2040  			break
  2041  		}
  2042  		c := v_1.AuxInt
  2043  		if !(c > 0 && smagic64ok(c) && smagic64m(c) > 0) {
  2044  			break
  2045  		}
  2046  		v.reset(OpSub64)
  2047  		v.Type = t
  2048  		v0 := b.NewValue0(v.Line, OpRsh64x64, t)
  2049  		v1 := b.NewValue0(v.Line, OpHmul64, t)
  2050  		v2 := b.NewValue0(v.Line, OpConst64, t)
  2051  		v2.AuxInt = smagic64m(c)
  2052  		v1.AddArg(v2)
  2053  		v1.AddArg(x)
  2054  		v0.AddArg(v1)
  2055  		v3 := b.NewValue0(v.Line, OpConst64, t)
  2056  		v3.AuxInt = smagic64s(c)
  2057  		v0.AddArg(v3)
  2058  		v.AddArg(v0)
  2059  		v4 := b.NewValue0(v.Line, OpRsh64x64, t)
  2060  		v4.AddArg(x)
  2061  		v5 := b.NewValue0(v.Line, OpConst64, t)
  2062  		v5.AuxInt = 63
  2063  		v4.AddArg(v5)
  2064  		v.AddArg(v4)
  2065  		return true
  2066  	}
  2067  	// match: (Div64 <t> x (Const64 [c]))
  2068  	// cond: c > 0 && smagic64ok(c) && smagic64m(c) < 0
  2069  	// result: (Sub64 <t>     (Rsh64x64 <t>       (Add64 <t>         (Hmul64 <t>           (Const64 <t> [smagic64m(c)])           x)         x)       (Const64 <t> [smagic64s(c)]))     (Rsh64x64 <t>       x       (Const64 <t> [63])))
  2070  	for {
  2071  		t := v.Type
  2072  		x := v.Args[0]
  2073  		v_1 := v.Args[1]
  2074  		if v_1.Op != OpConst64 {
  2075  			break
  2076  		}
  2077  		c := v_1.AuxInt
  2078  		if !(c > 0 && smagic64ok(c) && smagic64m(c) < 0) {
  2079  			break
  2080  		}
  2081  		v.reset(OpSub64)
  2082  		v.Type = t
  2083  		v0 := b.NewValue0(v.Line, OpRsh64x64, t)
  2084  		v1 := b.NewValue0(v.Line, OpAdd64, t)
  2085  		v2 := b.NewValue0(v.Line, OpHmul64, t)
  2086  		v3 := b.NewValue0(v.Line, OpConst64, t)
  2087  		v3.AuxInt = smagic64m(c)
  2088  		v2.AddArg(v3)
  2089  		v2.AddArg(x)
  2090  		v1.AddArg(v2)
  2091  		v1.AddArg(x)
  2092  		v0.AddArg(v1)
  2093  		v4 := b.NewValue0(v.Line, OpConst64, t)
  2094  		v4.AuxInt = smagic64s(c)
  2095  		v0.AddArg(v4)
  2096  		v.AddArg(v0)
  2097  		v5 := b.NewValue0(v.Line, OpRsh64x64, t)
  2098  		v5.AddArg(x)
  2099  		v6 := b.NewValue0(v.Line, OpConst64, t)
  2100  		v6.AuxInt = 63
  2101  		v5.AddArg(v6)
  2102  		v.AddArg(v5)
  2103  		return true
  2104  	}
  2105  	// match: (Div64 <t> x (Const64 [c]))
  2106  	// cond: c < 0 && smagic64ok(c) && smagic64m(c) > 0
  2107  	// result: (Neg64 <t>     (Sub64 <t>       (Rsh64x64 <t>         (Hmul64 <t>           (Const64 <t> [smagic64m(c)])           x)         (Const64 <t> [smagic64s(c)]))       (Rsh64x64 <t>         x         (Const64 <t> [63]))))
  2108  	for {
  2109  		t := v.Type
  2110  		x := v.Args[0]
  2111  		v_1 := v.Args[1]
  2112  		if v_1.Op != OpConst64 {
  2113  			break
  2114  		}
  2115  		c := v_1.AuxInt
  2116  		if !(c < 0 && smagic64ok(c) && smagic64m(c) > 0) {
  2117  			break
  2118  		}
  2119  		v.reset(OpNeg64)
  2120  		v.Type = t
  2121  		v0 := b.NewValue0(v.Line, OpSub64, t)
  2122  		v1 := b.NewValue0(v.Line, OpRsh64x64, t)
  2123  		v2 := b.NewValue0(v.Line, OpHmul64, t)
  2124  		v3 := b.NewValue0(v.Line, OpConst64, t)
  2125  		v3.AuxInt = smagic64m(c)
  2126  		v2.AddArg(v3)
  2127  		v2.AddArg(x)
  2128  		v1.AddArg(v2)
  2129  		v4 := b.NewValue0(v.Line, OpConst64, t)
  2130  		v4.AuxInt = smagic64s(c)
  2131  		v1.AddArg(v4)
  2132  		v0.AddArg(v1)
  2133  		v5 := b.NewValue0(v.Line, OpRsh64x64, t)
  2134  		v5.AddArg(x)
  2135  		v6 := b.NewValue0(v.Line, OpConst64, t)
  2136  		v6.AuxInt = 63
  2137  		v5.AddArg(v6)
  2138  		v0.AddArg(v5)
  2139  		v.AddArg(v0)
  2140  		return true
  2141  	}
  2142  	// match: (Div64 <t> x (Const64 [c]))
  2143  	// cond: c < 0 && smagic64ok(c) && smagic64m(c) < 0
  2144  	// result: (Neg64 <t>     (Sub64 <t>       (Rsh64x64 <t>         (Add64 <t>           (Hmul64 <t>             (Const64 <t> [smagic64m(c)])             x)           x)         (Const64 <t> [smagic64s(c)]))       (Rsh64x64 <t>         x         (Const64 <t> [63]))))
  2145  	for {
  2146  		t := v.Type
  2147  		x := v.Args[0]
  2148  		v_1 := v.Args[1]
  2149  		if v_1.Op != OpConst64 {
  2150  			break
  2151  		}
  2152  		c := v_1.AuxInt
  2153  		if !(c < 0 && smagic64ok(c) && smagic64m(c) < 0) {
  2154  			break
  2155  		}
  2156  		v.reset(OpNeg64)
  2157  		v.Type = t
  2158  		v0 := b.NewValue0(v.Line, OpSub64, t)
  2159  		v1 := b.NewValue0(v.Line, OpRsh64x64, t)
  2160  		v2 := b.NewValue0(v.Line, OpAdd64, t)
  2161  		v3 := b.NewValue0(v.Line, OpHmul64, t)
  2162  		v4 := b.NewValue0(v.Line, OpConst64, t)
  2163  		v4.AuxInt = smagic64m(c)
  2164  		v3.AddArg(v4)
  2165  		v3.AddArg(x)
  2166  		v2.AddArg(v3)
  2167  		v2.AddArg(x)
  2168  		v1.AddArg(v2)
  2169  		v5 := b.NewValue0(v.Line, OpConst64, t)
  2170  		v5.AuxInt = smagic64s(c)
  2171  		v1.AddArg(v5)
  2172  		v0.AddArg(v1)
  2173  		v6 := b.NewValue0(v.Line, OpRsh64x64, t)
  2174  		v6.AddArg(x)
  2175  		v7 := b.NewValue0(v.Line, OpConst64, t)
  2176  		v7.AuxInt = 63
  2177  		v6.AddArg(v7)
  2178  		v0.AddArg(v6)
  2179  		v.AddArg(v0)
  2180  		return true
  2181  	}
  2182  	return false
  2183  }
  2184  func rewriteValuegeneric_OpDiv64F(v *Value, config *Config) bool {
  2185  	b := v.Block
  2186  	_ = b
  2187  	// match: (Div64F x (Const64F [f2i(1)]))
  2188  	// cond:
  2189  	// result: x
  2190  	for {
  2191  		x := v.Args[0]
  2192  		v_1 := v.Args[1]
  2193  		if v_1.Op != OpConst64F {
  2194  			break
  2195  		}
  2196  		if v_1.AuxInt != f2i(1) {
  2197  			break
  2198  		}
  2199  		v.reset(OpCopy)
  2200  		v.Type = x.Type
  2201  		v.AddArg(x)
  2202  		return true
  2203  	}
  2204  	// match: (Div64F x (Const64F [f2i(-1)]))
  2205  	// cond:
  2206  	// result: (Neg32F x)
  2207  	for {
  2208  		x := v.Args[0]
  2209  		v_1 := v.Args[1]
  2210  		if v_1.Op != OpConst64F {
  2211  			break
  2212  		}
  2213  		if v_1.AuxInt != f2i(-1) {
  2214  			break
  2215  		}
  2216  		v.reset(OpNeg32F)
  2217  		v.AddArg(x)
  2218  		return true
  2219  	}
  2220  	return false
  2221  }
  2222  func rewriteValuegeneric_OpDiv64u(v *Value, config *Config) bool {
  2223  	b := v.Block
  2224  	_ = b
  2225  	// match: (Div64u <t> n (Const64 [c]))
  2226  	// cond: isPowerOfTwo(c)
  2227  	// result: (Rsh64Ux64 n (Const64 <t> [log2(c)]))
  2228  	for {
  2229  		t := v.Type
  2230  		n := v.Args[0]
  2231  		v_1 := v.Args[1]
  2232  		if v_1.Op != OpConst64 {
  2233  			break
  2234  		}
  2235  		c := v_1.AuxInt
  2236  		if !(isPowerOfTwo(c)) {
  2237  			break
  2238  		}
  2239  		v.reset(OpRsh64Ux64)
  2240  		v.AddArg(n)
  2241  		v0 := b.NewValue0(v.Line, OpConst64, t)
  2242  		v0.AuxInt = log2(c)
  2243  		v.AddArg(v0)
  2244  		return true
  2245  	}
  2246  	// match: (Div64u <t> x (Const64 [c]))
  2247  	// cond: umagic64ok(c) && !umagic64a(c)
  2248  	// result: (Rsh64Ux64     (Hmul64u <t>       (Const64 <t> [umagic64m(c)])       x)     (Const64 <t> [umagic64s(c)]))
  2249  	for {
  2250  		t := v.Type
  2251  		x := v.Args[0]
  2252  		v_1 := v.Args[1]
  2253  		if v_1.Op != OpConst64 {
  2254  			break
  2255  		}
  2256  		c := v_1.AuxInt
  2257  		if !(umagic64ok(c) && !umagic64a(c)) {
  2258  			break
  2259  		}
  2260  		v.reset(OpRsh64Ux64)
  2261  		v0 := b.NewValue0(v.Line, OpHmul64u, t)
  2262  		v1 := b.NewValue0(v.Line, OpConst64, t)
  2263  		v1.AuxInt = umagic64m(c)
  2264  		v0.AddArg(v1)
  2265  		v0.AddArg(x)
  2266  		v.AddArg(v0)
  2267  		v2 := b.NewValue0(v.Line, OpConst64, t)
  2268  		v2.AuxInt = umagic64s(c)
  2269  		v.AddArg(v2)
  2270  		return true
  2271  	}
  2272  	// match: (Div64u <t> x (Const64 [c]))
  2273  	// cond: umagic64ok(c) && umagic64a(c)
  2274  	// result: (Rsh64Ux64     (Avg64u <t>       (Hmul64u <t>         x         (Const64 <t> [umagic64m(c)]))       x)     (Const64 <t> [umagic64s(c)-1]))
  2275  	for {
  2276  		t := v.Type
  2277  		x := v.Args[0]
  2278  		v_1 := v.Args[1]
  2279  		if v_1.Op != OpConst64 {
  2280  			break
  2281  		}
  2282  		c := v_1.AuxInt
  2283  		if !(umagic64ok(c) && umagic64a(c)) {
  2284  			break
  2285  		}
  2286  		v.reset(OpRsh64Ux64)
  2287  		v0 := b.NewValue0(v.Line, OpAvg64u, t)
  2288  		v1 := b.NewValue0(v.Line, OpHmul64u, t)
  2289  		v1.AddArg(x)
  2290  		v2 := b.NewValue0(v.Line, OpConst64, t)
  2291  		v2.AuxInt = umagic64m(c)
  2292  		v1.AddArg(v2)
  2293  		v0.AddArg(v1)
  2294  		v0.AddArg(x)
  2295  		v.AddArg(v0)
  2296  		v3 := b.NewValue0(v.Line, OpConst64, t)
  2297  		v3.AuxInt = umagic64s(c) - 1
  2298  		v.AddArg(v3)
  2299  		return true
  2300  	}
  2301  	return false
  2302  }
  2303  func rewriteValuegeneric_OpEq16(v *Value, config *Config) bool {
  2304  	b := v.Block
  2305  	_ = b
  2306  	// match: (Eq16 x x)
  2307  	// cond:
  2308  	// result: (ConstBool [1])
  2309  	for {
  2310  		x := v.Args[0]
  2311  		if x != v.Args[1] {
  2312  			break
  2313  		}
  2314  		v.reset(OpConstBool)
  2315  		v.AuxInt = 1
  2316  		return true
  2317  	}
  2318  	// match: (Eq16 (Const16 <t> [c]) (Add16 (Const16 <t> [d]) x))
  2319  	// cond:
  2320  	// result: (Eq16 (Const16 <t> [int64(int16(c-d))]) x)
  2321  	for {
  2322  		v_0 := v.Args[0]
  2323  		if v_0.Op != OpConst16 {
  2324  			break
  2325  		}
  2326  		t := v_0.Type
  2327  		c := v_0.AuxInt
  2328  		v_1 := v.Args[1]
  2329  		if v_1.Op != OpAdd16 {
  2330  			break
  2331  		}
  2332  		v_1_0 := v_1.Args[0]
  2333  		if v_1_0.Op != OpConst16 {
  2334  			break
  2335  		}
  2336  		if v_1_0.Type != t {
  2337  			break
  2338  		}
  2339  		d := v_1_0.AuxInt
  2340  		x := v_1.Args[1]
  2341  		v.reset(OpEq16)
  2342  		v0 := b.NewValue0(v.Line, OpConst16, t)
  2343  		v0.AuxInt = int64(int16(c - d))
  2344  		v.AddArg(v0)
  2345  		v.AddArg(x)
  2346  		return true
  2347  	}
  2348  	// match: (Eq16 x (Const16 <t> [c]))
  2349  	// cond: x.Op != OpConst16
  2350  	// result: (Eq16 (Const16 <t> [c]) x)
  2351  	for {
  2352  		x := v.Args[0]
  2353  		v_1 := v.Args[1]
  2354  		if v_1.Op != OpConst16 {
  2355  			break
  2356  		}
  2357  		t := v_1.Type
  2358  		c := v_1.AuxInt
  2359  		if !(x.Op != OpConst16) {
  2360  			break
  2361  		}
  2362  		v.reset(OpEq16)
  2363  		v0 := b.NewValue0(v.Line, OpConst16, t)
  2364  		v0.AuxInt = c
  2365  		v.AddArg(v0)
  2366  		v.AddArg(x)
  2367  		return true
  2368  	}
  2369  	// match: (Eq16 (Const16 [c]) (Const16 [d]))
  2370  	// cond:
  2371  	// result: (ConstBool [b2i(c == d)])
  2372  	for {
  2373  		v_0 := v.Args[0]
  2374  		if v_0.Op != OpConst16 {
  2375  			break
  2376  		}
  2377  		c := v_0.AuxInt
  2378  		v_1 := v.Args[1]
  2379  		if v_1.Op != OpConst16 {
  2380  			break
  2381  		}
  2382  		d := v_1.AuxInt
  2383  		v.reset(OpConstBool)
  2384  		v.AuxInt = b2i(c == d)
  2385  		return true
  2386  	}
  2387  	return false
  2388  }
  2389  func rewriteValuegeneric_OpEq32(v *Value, config *Config) bool {
  2390  	b := v.Block
  2391  	_ = b
  2392  	// match: (Eq32 x x)
  2393  	// cond:
  2394  	// result: (ConstBool [1])
  2395  	for {
  2396  		x := v.Args[0]
  2397  		if x != v.Args[1] {
  2398  			break
  2399  		}
  2400  		v.reset(OpConstBool)
  2401  		v.AuxInt = 1
  2402  		return true
  2403  	}
  2404  	// match: (Eq32 (Const32 <t> [c]) (Add32 (Const32 <t> [d]) x))
  2405  	// cond:
  2406  	// result: (Eq32 (Const32 <t> [int64(int32(c-d))]) x)
  2407  	for {
  2408  		v_0 := v.Args[0]
  2409  		if v_0.Op != OpConst32 {
  2410  			break
  2411  		}
  2412  		t := v_0.Type
  2413  		c := v_0.AuxInt
  2414  		v_1 := v.Args[1]
  2415  		if v_1.Op != OpAdd32 {
  2416  			break
  2417  		}
  2418  		v_1_0 := v_1.Args[0]
  2419  		if v_1_0.Op != OpConst32 {
  2420  			break
  2421  		}
  2422  		if v_1_0.Type != t {
  2423  			break
  2424  		}
  2425  		d := v_1_0.AuxInt
  2426  		x := v_1.Args[1]
  2427  		v.reset(OpEq32)
  2428  		v0 := b.NewValue0(v.Line, OpConst32, t)
  2429  		v0.AuxInt = int64(int32(c - d))
  2430  		v.AddArg(v0)
  2431  		v.AddArg(x)
  2432  		return true
  2433  	}
  2434  	// match: (Eq32 x (Const32 <t> [c]))
  2435  	// cond: x.Op != OpConst32
  2436  	// result: (Eq32 (Const32 <t> [c]) x)
  2437  	for {
  2438  		x := v.Args[0]
  2439  		v_1 := v.Args[1]
  2440  		if v_1.Op != OpConst32 {
  2441  			break
  2442  		}
  2443  		t := v_1.Type
  2444  		c := v_1.AuxInt
  2445  		if !(x.Op != OpConst32) {
  2446  			break
  2447  		}
  2448  		v.reset(OpEq32)
  2449  		v0 := b.NewValue0(v.Line, OpConst32, t)
  2450  		v0.AuxInt = c
  2451  		v.AddArg(v0)
  2452  		v.AddArg(x)
  2453  		return true
  2454  	}
  2455  	// match: (Eq32 (Const32 [c]) (Const32 [d]))
  2456  	// cond:
  2457  	// result: (ConstBool [b2i(c == d)])
  2458  	for {
  2459  		v_0 := v.Args[0]
  2460  		if v_0.Op != OpConst32 {
  2461  			break
  2462  		}
  2463  		c := v_0.AuxInt
  2464  		v_1 := v.Args[1]
  2465  		if v_1.Op != OpConst32 {
  2466  			break
  2467  		}
  2468  		d := v_1.AuxInt
  2469  		v.reset(OpConstBool)
  2470  		v.AuxInt = b2i(c == d)
  2471  		return true
  2472  	}
  2473  	return false
  2474  }
  2475  func rewriteValuegeneric_OpEq64(v *Value, config *Config) bool {
  2476  	b := v.Block
  2477  	_ = b
  2478  	// match: (Eq64 x x)
  2479  	// cond:
  2480  	// result: (ConstBool [1])
  2481  	for {
  2482  		x := v.Args[0]
  2483  		if x != v.Args[1] {
  2484  			break
  2485  		}
  2486  		v.reset(OpConstBool)
  2487  		v.AuxInt = 1
  2488  		return true
  2489  	}
  2490  	// match: (Eq64 (Const64 <t> [c]) (Add64 (Const64 <t> [d]) x))
  2491  	// cond:
  2492  	// result: (Eq64 (Const64 <t> [c-d]) x)
  2493  	for {
  2494  		v_0 := v.Args[0]
  2495  		if v_0.Op != OpConst64 {
  2496  			break
  2497  		}
  2498  		t := v_0.Type
  2499  		c := v_0.AuxInt
  2500  		v_1 := v.Args[1]
  2501  		if v_1.Op != OpAdd64 {
  2502  			break
  2503  		}
  2504  		v_1_0 := v_1.Args[0]
  2505  		if v_1_0.Op != OpConst64 {
  2506  			break
  2507  		}
  2508  		if v_1_0.Type != t {
  2509  			break
  2510  		}
  2511  		d := v_1_0.AuxInt
  2512  		x := v_1.Args[1]
  2513  		v.reset(OpEq64)
  2514  		v0 := b.NewValue0(v.Line, OpConst64, t)
  2515  		v0.AuxInt = c - d
  2516  		v.AddArg(v0)
  2517  		v.AddArg(x)
  2518  		return true
  2519  	}
  2520  	// match: (Eq64 x (Const64 <t> [c]))
  2521  	// cond: x.Op != OpConst64
  2522  	// result: (Eq64 (Const64 <t> [c]) x)
  2523  	for {
  2524  		x := v.Args[0]
  2525  		v_1 := v.Args[1]
  2526  		if v_1.Op != OpConst64 {
  2527  			break
  2528  		}
  2529  		t := v_1.Type
  2530  		c := v_1.AuxInt
  2531  		if !(x.Op != OpConst64) {
  2532  			break
  2533  		}
  2534  		v.reset(OpEq64)
  2535  		v0 := b.NewValue0(v.Line, OpConst64, t)
  2536  		v0.AuxInt = c
  2537  		v.AddArg(v0)
  2538  		v.AddArg(x)
  2539  		return true
  2540  	}
  2541  	// match: (Eq64 (Const64 [c]) (Const64 [d]))
  2542  	// cond:
  2543  	// result: (ConstBool [b2i(c == d)])
  2544  	for {
  2545  		v_0 := v.Args[0]
  2546  		if v_0.Op != OpConst64 {
  2547  			break
  2548  		}
  2549  		c := v_0.AuxInt
  2550  		v_1 := v.Args[1]
  2551  		if v_1.Op != OpConst64 {
  2552  			break
  2553  		}
  2554  		d := v_1.AuxInt
  2555  		v.reset(OpConstBool)
  2556  		v.AuxInt = b2i(c == d)
  2557  		return true
  2558  	}
  2559  	return false
  2560  }
  2561  func rewriteValuegeneric_OpEq8(v *Value, config *Config) bool {
  2562  	b := v.Block
  2563  	_ = b
  2564  	// match: (Eq8  x x)
  2565  	// cond:
  2566  	// result: (ConstBool [1])
  2567  	for {
  2568  		x := v.Args[0]
  2569  		if x != v.Args[1] {
  2570  			break
  2571  		}
  2572  		v.reset(OpConstBool)
  2573  		v.AuxInt = 1
  2574  		return true
  2575  	}
  2576  	// match: (Eq8  (Const8  <t> [c]) (Add8  (Const8  <t> [d]) x))
  2577  	// cond:
  2578  	// result: (Eq8  (Const8 <t> [int64(int8(c-d))]) x)
  2579  	for {
  2580  		v_0 := v.Args[0]
  2581  		if v_0.Op != OpConst8 {
  2582  			break
  2583  		}
  2584  		t := v_0.Type
  2585  		c := v_0.AuxInt
  2586  		v_1 := v.Args[1]
  2587  		if v_1.Op != OpAdd8 {
  2588  			break
  2589  		}
  2590  		v_1_0 := v_1.Args[0]
  2591  		if v_1_0.Op != OpConst8 {
  2592  			break
  2593  		}
  2594  		if v_1_0.Type != t {
  2595  			break
  2596  		}
  2597  		d := v_1_0.AuxInt
  2598  		x := v_1.Args[1]
  2599  		v.reset(OpEq8)
  2600  		v0 := b.NewValue0(v.Line, OpConst8, t)
  2601  		v0.AuxInt = int64(int8(c - d))
  2602  		v.AddArg(v0)
  2603  		v.AddArg(x)
  2604  		return true
  2605  	}
  2606  	// match: (Eq8  x (Const8  <t> [c]))
  2607  	// cond: x.Op != OpConst8
  2608  	// result: (Eq8  (Const8  <t> [c]) x)
  2609  	for {
  2610  		x := v.Args[0]
  2611  		v_1 := v.Args[1]
  2612  		if v_1.Op != OpConst8 {
  2613  			break
  2614  		}
  2615  		t := v_1.Type
  2616  		c := v_1.AuxInt
  2617  		if !(x.Op != OpConst8) {
  2618  			break
  2619  		}
  2620  		v.reset(OpEq8)
  2621  		v0 := b.NewValue0(v.Line, OpConst8, t)
  2622  		v0.AuxInt = c
  2623  		v.AddArg(v0)
  2624  		v.AddArg(x)
  2625  		return true
  2626  	}
  2627  	// match: (Eq8  (Const8  [c]) (Const8  [d]))
  2628  	// cond:
  2629  	// result: (ConstBool [b2i(c == d)])
  2630  	for {
  2631  		v_0 := v.Args[0]
  2632  		if v_0.Op != OpConst8 {
  2633  			break
  2634  		}
  2635  		c := v_0.AuxInt
  2636  		v_1 := v.Args[1]
  2637  		if v_1.Op != OpConst8 {
  2638  			break
  2639  		}
  2640  		d := v_1.AuxInt
  2641  		v.reset(OpConstBool)
  2642  		v.AuxInt = b2i(c == d)
  2643  		return true
  2644  	}
  2645  	return false
  2646  }
  2647  func rewriteValuegeneric_OpEqB(v *Value, config *Config) bool {
  2648  	b := v.Block
  2649  	_ = b
  2650  	// match: (EqB (ConstBool [c]) (ConstBool [d]))
  2651  	// cond:
  2652  	// result: (ConstBool [b2i(c == d)])
  2653  	for {
  2654  		v_0 := v.Args[0]
  2655  		if v_0.Op != OpConstBool {
  2656  			break
  2657  		}
  2658  		c := v_0.AuxInt
  2659  		v_1 := v.Args[1]
  2660  		if v_1.Op != OpConstBool {
  2661  			break
  2662  		}
  2663  		d := v_1.AuxInt
  2664  		v.reset(OpConstBool)
  2665  		v.AuxInt = b2i(c == d)
  2666  		return true
  2667  	}
  2668  	// match: (EqB (ConstBool [0]) x)
  2669  	// cond:
  2670  	// result: (Not x)
  2671  	for {
  2672  		v_0 := v.Args[0]
  2673  		if v_0.Op != OpConstBool {
  2674  			break
  2675  		}
  2676  		if v_0.AuxInt != 0 {
  2677  			break
  2678  		}
  2679  		x := v.Args[1]
  2680  		v.reset(OpNot)
  2681  		v.AddArg(x)
  2682  		return true
  2683  	}
  2684  	// match: (EqB (ConstBool [1]) x)
  2685  	// cond:
  2686  	// result: x
  2687  	for {
  2688  		v_0 := v.Args[0]
  2689  		if v_0.Op != OpConstBool {
  2690  			break
  2691  		}
  2692  		if v_0.AuxInt != 1 {
  2693  			break
  2694  		}
  2695  		x := v.Args[1]
  2696  		v.reset(OpCopy)
  2697  		v.Type = x.Type
  2698  		v.AddArg(x)
  2699  		return true
  2700  	}
  2701  	return false
  2702  }
  2703  func rewriteValuegeneric_OpEqInter(v *Value, config *Config) bool {
  2704  	b := v.Block
  2705  	_ = b
  2706  	// match: (EqInter x y)
  2707  	// cond:
  2708  	// result: (EqPtr  (ITab x) (ITab y))
  2709  	for {
  2710  		x := v.Args[0]
  2711  		y := v.Args[1]
  2712  		v.reset(OpEqPtr)
  2713  		v0 := b.NewValue0(v.Line, OpITab, config.fe.TypeBytePtr())
  2714  		v0.AddArg(x)
  2715  		v.AddArg(v0)
  2716  		v1 := b.NewValue0(v.Line, OpITab, config.fe.TypeBytePtr())
  2717  		v1.AddArg(y)
  2718  		v.AddArg(v1)
  2719  		return true
  2720  	}
  2721  }
  2722  func rewriteValuegeneric_OpEqPtr(v *Value, config *Config) bool {
  2723  	b := v.Block
  2724  	_ = b
  2725  	// match: (EqPtr p (ConstNil))
  2726  	// cond:
  2727  	// result: (Not (IsNonNil p))
  2728  	for {
  2729  		p := v.Args[0]
  2730  		v_1 := v.Args[1]
  2731  		if v_1.Op != OpConstNil {
  2732  			break
  2733  		}
  2734  		v.reset(OpNot)
  2735  		v0 := b.NewValue0(v.Line, OpIsNonNil, config.fe.TypeBool())
  2736  		v0.AddArg(p)
  2737  		v.AddArg(v0)
  2738  		return true
  2739  	}
  2740  	// match: (EqPtr (ConstNil) p)
  2741  	// cond:
  2742  	// result: (Not (IsNonNil p))
  2743  	for {
  2744  		v_0 := v.Args[0]
  2745  		if v_0.Op != OpConstNil {
  2746  			break
  2747  		}
  2748  		p := v.Args[1]
  2749  		v.reset(OpNot)
  2750  		v0 := b.NewValue0(v.Line, OpIsNonNil, config.fe.TypeBool())
  2751  		v0.AddArg(p)
  2752  		v.AddArg(v0)
  2753  		return true
  2754  	}
  2755  	return false
  2756  }
  2757  func rewriteValuegeneric_OpEqSlice(v *Value, config *Config) bool {
  2758  	b := v.Block
  2759  	_ = b
  2760  	// match: (EqSlice x y)
  2761  	// cond:
  2762  	// result: (EqPtr  (SlicePtr x) (SlicePtr y))
  2763  	for {
  2764  		x := v.Args[0]
  2765  		y := v.Args[1]
  2766  		v.reset(OpEqPtr)
  2767  		v0 := b.NewValue0(v.Line, OpSlicePtr, config.fe.TypeBytePtr())
  2768  		v0.AddArg(x)
  2769  		v.AddArg(v0)
  2770  		v1 := b.NewValue0(v.Line, OpSlicePtr, config.fe.TypeBytePtr())
  2771  		v1.AddArg(y)
  2772  		v.AddArg(v1)
  2773  		return true
  2774  	}
  2775  }
  2776  func rewriteValuegeneric_OpGeq16(v *Value, config *Config) bool {
  2777  	b := v.Block
  2778  	_ = b
  2779  	// match: (Geq16 (Const16 [c]) (Const16 [d]))
  2780  	// cond:
  2781  	// result: (ConstBool [b2i(c >= d)])
  2782  	for {
  2783  		v_0 := v.Args[0]
  2784  		if v_0.Op != OpConst16 {
  2785  			break
  2786  		}
  2787  		c := v_0.AuxInt
  2788  		v_1 := v.Args[1]
  2789  		if v_1.Op != OpConst16 {
  2790  			break
  2791  		}
  2792  		d := v_1.AuxInt
  2793  		v.reset(OpConstBool)
  2794  		v.AuxInt = b2i(c >= d)
  2795  		return true
  2796  	}
  2797  	return false
  2798  }
  2799  func rewriteValuegeneric_OpGeq16U(v *Value, config *Config) bool {
  2800  	b := v.Block
  2801  	_ = b
  2802  	// match: (Geq16U (Const16 [c]) (Const16 [d]))
  2803  	// cond:
  2804  	// result: (ConstBool [b2i(uint16(c) >= uint16(d))])
  2805  	for {
  2806  		v_0 := v.Args[0]
  2807  		if v_0.Op != OpConst16 {
  2808  			break
  2809  		}
  2810  		c := v_0.AuxInt
  2811  		v_1 := v.Args[1]
  2812  		if v_1.Op != OpConst16 {
  2813  			break
  2814  		}
  2815  		d := v_1.AuxInt
  2816  		v.reset(OpConstBool)
  2817  		v.AuxInt = b2i(uint16(c) >= uint16(d))
  2818  		return true
  2819  	}
  2820  	return false
  2821  }
  2822  func rewriteValuegeneric_OpGeq32(v *Value, config *Config) bool {
  2823  	b := v.Block
  2824  	_ = b
  2825  	// match: (Geq32 (Const32 [c]) (Const32 [d]))
  2826  	// cond:
  2827  	// result: (ConstBool [b2i(c >= d)])
  2828  	for {
  2829  		v_0 := v.Args[0]
  2830  		if v_0.Op != OpConst32 {
  2831  			break
  2832  		}
  2833  		c := v_0.AuxInt
  2834  		v_1 := v.Args[1]
  2835  		if v_1.Op != OpConst32 {
  2836  			break
  2837  		}
  2838  		d := v_1.AuxInt
  2839  		v.reset(OpConstBool)
  2840  		v.AuxInt = b2i(c >= d)
  2841  		return true
  2842  	}
  2843  	return false
  2844  }
  2845  func rewriteValuegeneric_OpGeq32U(v *Value, config *Config) bool {
  2846  	b := v.Block
  2847  	_ = b
  2848  	// match: (Geq32U (Const32 [c]) (Const32 [d]))
  2849  	// cond:
  2850  	// result: (ConstBool [b2i(uint32(c) >= uint32(d))])
  2851  	for {
  2852  		v_0 := v.Args[0]
  2853  		if v_0.Op != OpConst32 {
  2854  			break
  2855  		}
  2856  		c := v_0.AuxInt
  2857  		v_1 := v.Args[1]
  2858  		if v_1.Op != OpConst32 {
  2859  			break
  2860  		}
  2861  		d := v_1.AuxInt
  2862  		v.reset(OpConstBool)
  2863  		v.AuxInt = b2i(uint32(c) >= uint32(d))
  2864  		return true
  2865  	}
  2866  	return false
  2867  }
  2868  func rewriteValuegeneric_OpGeq64(v *Value, config *Config) bool {
  2869  	b := v.Block
  2870  	_ = b
  2871  	// match: (Geq64 (Const64 [c]) (Const64 [d]))
  2872  	// cond:
  2873  	// result: (ConstBool [b2i(c >= d)])
  2874  	for {
  2875  		v_0 := v.Args[0]
  2876  		if v_0.Op != OpConst64 {
  2877  			break
  2878  		}
  2879  		c := v_0.AuxInt
  2880  		v_1 := v.Args[1]
  2881  		if v_1.Op != OpConst64 {
  2882  			break
  2883  		}
  2884  		d := v_1.AuxInt
  2885  		v.reset(OpConstBool)
  2886  		v.AuxInt = b2i(c >= d)
  2887  		return true
  2888  	}
  2889  	return false
  2890  }
  2891  func rewriteValuegeneric_OpGeq64U(v *Value, config *Config) bool {
  2892  	b := v.Block
  2893  	_ = b
  2894  	// match: (Geq64U (Const64 [c]) (Const64 [d]))
  2895  	// cond:
  2896  	// result: (ConstBool [b2i(uint64(c) >= uint64(d))])
  2897  	for {
  2898  		v_0 := v.Args[0]
  2899  		if v_0.Op != OpConst64 {
  2900  			break
  2901  		}
  2902  		c := v_0.AuxInt
  2903  		v_1 := v.Args[1]
  2904  		if v_1.Op != OpConst64 {
  2905  			break
  2906  		}
  2907  		d := v_1.AuxInt
  2908  		v.reset(OpConstBool)
  2909  		v.AuxInt = b2i(uint64(c) >= uint64(d))
  2910  		return true
  2911  	}
  2912  	return false
  2913  }
  2914  func rewriteValuegeneric_OpGeq8(v *Value, config *Config) bool {
  2915  	b := v.Block
  2916  	_ = b
  2917  	// match: (Geq8  (Const8  [c]) (Const8  [d]))
  2918  	// cond:
  2919  	// result: (ConstBool [b2i(c >= d)])
  2920  	for {
  2921  		v_0 := v.Args[0]
  2922  		if v_0.Op != OpConst8 {
  2923  			break
  2924  		}
  2925  		c := v_0.AuxInt
  2926  		v_1 := v.Args[1]
  2927  		if v_1.Op != OpConst8 {
  2928  			break
  2929  		}
  2930  		d := v_1.AuxInt
  2931  		v.reset(OpConstBool)
  2932  		v.AuxInt = b2i(c >= d)
  2933  		return true
  2934  	}
  2935  	return false
  2936  }
  2937  func rewriteValuegeneric_OpGeq8U(v *Value, config *Config) bool {
  2938  	b := v.Block
  2939  	_ = b
  2940  	// match: (Geq8U  (Const8  [c]) (Const8  [d]))
  2941  	// cond:
  2942  	// result: (ConstBool [b2i(uint8(c)  >= uint8(d))])
  2943  	for {
  2944  		v_0 := v.Args[0]
  2945  		if v_0.Op != OpConst8 {
  2946  			break
  2947  		}
  2948  		c := v_0.AuxInt
  2949  		v_1 := v.Args[1]
  2950  		if v_1.Op != OpConst8 {
  2951  			break
  2952  		}
  2953  		d := v_1.AuxInt
  2954  		v.reset(OpConstBool)
  2955  		v.AuxInt = b2i(uint8(c) >= uint8(d))
  2956  		return true
  2957  	}
  2958  	return false
  2959  }
  2960  func rewriteValuegeneric_OpGreater16(v *Value, config *Config) bool {
  2961  	b := v.Block
  2962  	_ = b
  2963  	// match: (Greater16 (Const16 [c]) (Const16 [d]))
  2964  	// cond:
  2965  	// result: (ConstBool [b2i(c > d)])
  2966  	for {
  2967  		v_0 := v.Args[0]
  2968  		if v_0.Op != OpConst16 {
  2969  			break
  2970  		}
  2971  		c := v_0.AuxInt
  2972  		v_1 := v.Args[1]
  2973  		if v_1.Op != OpConst16 {
  2974  			break
  2975  		}
  2976  		d := v_1.AuxInt
  2977  		v.reset(OpConstBool)
  2978  		v.AuxInt = b2i(c > d)
  2979  		return true
  2980  	}
  2981  	return false
  2982  }
  2983  func rewriteValuegeneric_OpGreater16U(v *Value, config *Config) bool {
  2984  	b := v.Block
  2985  	_ = b
  2986  	// match: (Greater16U (Const16 [c]) (Const16 [d]))
  2987  	// cond:
  2988  	// result: (ConstBool [b2i(uint16(c) > uint16(d))])
  2989  	for {
  2990  		v_0 := v.Args[0]
  2991  		if v_0.Op != OpConst16 {
  2992  			break
  2993  		}
  2994  		c := v_0.AuxInt
  2995  		v_1 := v.Args[1]
  2996  		if v_1.Op != OpConst16 {
  2997  			break
  2998  		}
  2999  		d := v_1.AuxInt
  3000  		v.reset(OpConstBool)
  3001  		v.AuxInt = b2i(uint16(c) > uint16(d))
  3002  		return true
  3003  	}
  3004  	return false
  3005  }
  3006  func rewriteValuegeneric_OpGreater32(v *Value, config *Config) bool {
  3007  	b := v.Block
  3008  	_ = b
  3009  	// match: (Greater32 (Const32 [c]) (Const32 [d]))
  3010  	// cond:
  3011  	// result: (ConstBool [b2i(c > d)])
  3012  	for {
  3013  		v_0 := v.Args[0]
  3014  		if v_0.Op != OpConst32 {
  3015  			break
  3016  		}
  3017  		c := v_0.AuxInt
  3018  		v_1 := v.Args[1]
  3019  		if v_1.Op != OpConst32 {
  3020  			break
  3021  		}
  3022  		d := v_1.AuxInt
  3023  		v.reset(OpConstBool)
  3024  		v.AuxInt = b2i(c > d)
  3025  		return true
  3026  	}
  3027  	return false
  3028  }
  3029  func rewriteValuegeneric_OpGreater32U(v *Value, config *Config) bool {
  3030  	b := v.Block
  3031  	_ = b
  3032  	// match: (Greater32U (Const32 [c]) (Const32 [d]))
  3033  	// cond:
  3034  	// result: (ConstBool [b2i(uint32(c) > uint32(d))])
  3035  	for {
  3036  		v_0 := v.Args[0]
  3037  		if v_0.Op != OpConst32 {
  3038  			break
  3039  		}
  3040  		c := v_0.AuxInt
  3041  		v_1 := v.Args[1]
  3042  		if v_1.Op != OpConst32 {
  3043  			break
  3044  		}
  3045  		d := v_1.AuxInt
  3046  		v.reset(OpConstBool)
  3047  		v.AuxInt = b2i(uint32(c) > uint32(d))
  3048  		return true
  3049  	}
  3050  	return false
  3051  }
  3052  func rewriteValuegeneric_OpGreater64(v *Value, config *Config) bool {
  3053  	b := v.Block
  3054  	_ = b
  3055  	// match: (Greater64 (Const64 [c]) (Const64 [d]))
  3056  	// cond:
  3057  	// result: (ConstBool [b2i(c > d)])
  3058  	for {
  3059  		v_0 := v.Args[0]
  3060  		if v_0.Op != OpConst64 {
  3061  			break
  3062  		}
  3063  		c := v_0.AuxInt
  3064  		v_1 := v.Args[1]
  3065  		if v_1.Op != OpConst64 {
  3066  			break
  3067  		}
  3068  		d := v_1.AuxInt
  3069  		v.reset(OpConstBool)
  3070  		v.AuxInt = b2i(c > d)
  3071  		return true
  3072  	}
  3073  	return false
  3074  }
  3075  func rewriteValuegeneric_OpGreater64U(v *Value, config *Config) bool {
  3076  	b := v.Block
  3077  	_ = b
  3078  	// match: (Greater64U (Const64 [c]) (Const64 [d]))
  3079  	// cond:
  3080  	// result: (ConstBool [b2i(uint64(c) > uint64(d))])
  3081  	for {
  3082  		v_0 := v.Args[0]
  3083  		if v_0.Op != OpConst64 {
  3084  			break
  3085  		}
  3086  		c := v_0.AuxInt
  3087  		v_1 := v.Args[1]
  3088  		if v_1.Op != OpConst64 {
  3089  			break
  3090  		}
  3091  		d := v_1.AuxInt
  3092  		v.reset(OpConstBool)
  3093  		v.AuxInt = b2i(uint64(c) > uint64(d))
  3094  		return true
  3095  	}
  3096  	return false
  3097  }
  3098  func rewriteValuegeneric_OpGreater8(v *Value, config *Config) bool {
  3099  	b := v.Block
  3100  	_ = b
  3101  	// match: (Greater8  (Const8  [c]) (Const8  [d]))
  3102  	// cond:
  3103  	// result: (ConstBool [b2i(c > d)])
  3104  	for {
  3105  		v_0 := v.Args[0]
  3106  		if v_0.Op != OpConst8 {
  3107  			break
  3108  		}
  3109  		c := v_0.AuxInt
  3110  		v_1 := v.Args[1]
  3111  		if v_1.Op != OpConst8 {
  3112  			break
  3113  		}
  3114  		d := v_1.AuxInt
  3115  		v.reset(OpConstBool)
  3116  		v.AuxInt = b2i(c > d)
  3117  		return true
  3118  	}
  3119  	return false
  3120  }
  3121  func rewriteValuegeneric_OpGreater8U(v *Value, config *Config) bool {
  3122  	b := v.Block
  3123  	_ = b
  3124  	// match: (Greater8U  (Const8  [c]) (Const8  [d]))
  3125  	// cond:
  3126  	// result: (ConstBool [b2i(uint8(c)  > uint8(d))])
  3127  	for {
  3128  		v_0 := v.Args[0]
  3129  		if v_0.Op != OpConst8 {
  3130  			break
  3131  		}
  3132  		c := v_0.AuxInt
  3133  		v_1 := v.Args[1]
  3134  		if v_1.Op != OpConst8 {
  3135  			break
  3136  		}
  3137  		d := v_1.AuxInt
  3138  		v.reset(OpConstBool)
  3139  		v.AuxInt = b2i(uint8(c) > uint8(d))
  3140  		return true
  3141  	}
  3142  	return false
  3143  }
  3144  func rewriteValuegeneric_OpIMake(v *Value, config *Config) bool {
  3145  	b := v.Block
  3146  	_ = b
  3147  	// match: (IMake typ (StructMake1 val))
  3148  	// cond:
  3149  	// result: (IMake typ val)
  3150  	for {
  3151  		typ := v.Args[0]
  3152  		v_1 := v.Args[1]
  3153  		if v_1.Op != OpStructMake1 {
  3154  			break
  3155  		}
  3156  		val := v_1.Args[0]
  3157  		v.reset(OpIMake)
  3158  		v.AddArg(typ)
  3159  		v.AddArg(val)
  3160  		return true
  3161  	}
  3162  	// match: (IMake typ (ArrayMake1 val))
  3163  	// cond:
  3164  	// result: (IMake typ val)
  3165  	for {
  3166  		typ := v.Args[0]
  3167  		v_1 := v.Args[1]
  3168  		if v_1.Op != OpArrayMake1 {
  3169  			break
  3170  		}
  3171  		val := v_1.Args[0]
  3172  		v.reset(OpIMake)
  3173  		v.AddArg(typ)
  3174  		v.AddArg(val)
  3175  		return true
  3176  	}
  3177  	return false
  3178  }
  3179  func rewriteValuegeneric_OpIsInBounds(v *Value, config *Config) bool {
  3180  	b := v.Block
  3181  	_ = b
  3182  	// match: (IsInBounds (ZeroExt8to32  _) (Const32 [c]))
  3183  	// cond: (1 << 8)  <= c
  3184  	// result: (ConstBool [1])
  3185  	for {
  3186  		v_0 := v.Args[0]
  3187  		if v_0.Op != OpZeroExt8to32 {
  3188  			break
  3189  		}
  3190  		v_1 := v.Args[1]
  3191  		if v_1.Op != OpConst32 {
  3192  			break
  3193  		}
  3194  		c := v_1.AuxInt
  3195  		if !((1 << 8) <= c) {
  3196  			break
  3197  		}
  3198  		v.reset(OpConstBool)
  3199  		v.AuxInt = 1
  3200  		return true
  3201  	}
  3202  	// match: (IsInBounds (ZeroExt8to64  _) (Const64 [c]))
  3203  	// cond: (1 << 8)  <= c
  3204  	// result: (ConstBool [1])
  3205  	for {
  3206  		v_0 := v.Args[0]
  3207  		if v_0.Op != OpZeroExt8to64 {
  3208  			break
  3209  		}
  3210  		v_1 := v.Args[1]
  3211  		if v_1.Op != OpConst64 {
  3212  			break
  3213  		}
  3214  		c := v_1.AuxInt
  3215  		if !((1 << 8) <= c) {
  3216  			break
  3217  		}
  3218  		v.reset(OpConstBool)
  3219  		v.AuxInt = 1
  3220  		return true
  3221  	}
  3222  	// match: (IsInBounds (ZeroExt16to32 _) (Const32 [c]))
  3223  	// cond: (1 << 16) <= c
  3224  	// result: (ConstBool [1])
  3225  	for {
  3226  		v_0 := v.Args[0]
  3227  		if v_0.Op != OpZeroExt16to32 {
  3228  			break
  3229  		}
  3230  		v_1 := v.Args[1]
  3231  		if v_1.Op != OpConst32 {
  3232  			break
  3233  		}
  3234  		c := v_1.AuxInt
  3235  		if !((1 << 16) <= c) {
  3236  			break
  3237  		}
  3238  		v.reset(OpConstBool)
  3239  		v.AuxInt = 1
  3240  		return true
  3241  	}
  3242  	// match: (IsInBounds (ZeroExt16to64 _) (Const64 [c]))
  3243  	// cond: (1 << 16) <= c
  3244  	// result: (ConstBool [1])
  3245  	for {
  3246  		v_0 := v.Args[0]
  3247  		if v_0.Op != OpZeroExt16to64 {
  3248  			break
  3249  		}
  3250  		v_1 := v.Args[1]
  3251  		if v_1.Op != OpConst64 {
  3252  			break
  3253  		}
  3254  		c := v_1.AuxInt
  3255  		if !((1 << 16) <= c) {
  3256  			break
  3257  		}
  3258  		v.reset(OpConstBool)
  3259  		v.AuxInt = 1
  3260  		return true
  3261  	}
  3262  	// match: (IsInBounds x x)
  3263  	// cond:
  3264  	// result: (ConstBool [0])
  3265  	for {
  3266  		x := v.Args[0]
  3267  		if x != v.Args[1] {
  3268  			break
  3269  		}
  3270  		v.reset(OpConstBool)
  3271  		v.AuxInt = 0
  3272  		return true
  3273  	}
  3274  	// match: (IsInBounds (And32 (Const32 [c]) _) (Const32 [d]))
  3275  	// cond: 0 <= c && c < d
  3276  	// result: (ConstBool [1])
  3277  	for {
  3278  		v_0 := v.Args[0]
  3279  		if v_0.Op != OpAnd32 {
  3280  			break
  3281  		}
  3282  		v_0_0 := v_0.Args[0]
  3283  		if v_0_0.Op != OpConst32 {
  3284  			break
  3285  		}
  3286  		c := v_0_0.AuxInt
  3287  		v_1 := v.Args[1]
  3288  		if v_1.Op != OpConst32 {
  3289  			break
  3290  		}
  3291  		d := v_1.AuxInt
  3292  		if !(0 <= c && c < d) {
  3293  			break
  3294  		}
  3295  		v.reset(OpConstBool)
  3296  		v.AuxInt = 1
  3297  		return true
  3298  	}
  3299  	// match: (IsInBounds (And64 (Const64 [c]) _) (Const64 [d]))
  3300  	// cond: 0 <= c && c < d
  3301  	// result: (ConstBool [1])
  3302  	for {
  3303  		v_0 := v.Args[0]
  3304  		if v_0.Op != OpAnd64 {
  3305  			break
  3306  		}
  3307  		v_0_0 := v_0.Args[0]
  3308  		if v_0_0.Op != OpConst64 {
  3309  			break
  3310  		}
  3311  		c := v_0_0.AuxInt
  3312  		v_1 := v.Args[1]
  3313  		if v_1.Op != OpConst64 {
  3314  			break
  3315  		}
  3316  		d := v_1.AuxInt
  3317  		if !(0 <= c && c < d) {
  3318  			break
  3319  		}
  3320  		v.reset(OpConstBool)
  3321  		v.AuxInt = 1
  3322  		return true
  3323  	}
  3324  	// match: (IsInBounds (Const32 [c]) (Const32 [d]))
  3325  	// cond:
  3326  	// result: (ConstBool [b2i(0 <= c && c < d)])
  3327  	for {
  3328  		v_0 := v.Args[0]
  3329  		if v_0.Op != OpConst32 {
  3330  			break
  3331  		}
  3332  		c := v_0.AuxInt
  3333  		v_1 := v.Args[1]
  3334  		if v_1.Op != OpConst32 {
  3335  			break
  3336  		}
  3337  		d := v_1.AuxInt
  3338  		v.reset(OpConstBool)
  3339  		v.AuxInt = b2i(0 <= c && c < d)
  3340  		return true
  3341  	}
  3342  	// match: (IsInBounds (Const64 [c]) (Const64 [d]))
  3343  	// cond:
  3344  	// result: (ConstBool [b2i(0 <= c && c < d)])
  3345  	for {
  3346  		v_0 := v.Args[0]
  3347  		if v_0.Op != OpConst64 {
  3348  			break
  3349  		}
  3350  		c := v_0.AuxInt
  3351  		v_1 := v.Args[1]
  3352  		if v_1.Op != OpConst64 {
  3353  			break
  3354  		}
  3355  		d := v_1.AuxInt
  3356  		v.reset(OpConstBool)
  3357  		v.AuxInt = b2i(0 <= c && c < d)
  3358  		return true
  3359  	}
  3360  	// match: (IsInBounds (Mod32u _ y) y)
  3361  	// cond:
  3362  	// result: (ConstBool [1])
  3363  	for {
  3364  		v_0 := v.Args[0]
  3365  		if v_0.Op != OpMod32u {
  3366  			break
  3367  		}
  3368  		y := v_0.Args[1]
  3369  		if y != v.Args[1] {
  3370  			break
  3371  		}
  3372  		v.reset(OpConstBool)
  3373  		v.AuxInt = 1
  3374  		return true
  3375  	}
  3376  	// match: (IsInBounds (Mod64u _ y) y)
  3377  	// cond:
  3378  	// result: (ConstBool [1])
  3379  	for {
  3380  		v_0 := v.Args[0]
  3381  		if v_0.Op != OpMod64u {
  3382  			break
  3383  		}
  3384  		y := v_0.Args[1]
  3385  		if y != v.Args[1] {
  3386  			break
  3387  		}
  3388  		v.reset(OpConstBool)
  3389  		v.AuxInt = 1
  3390  		return true
  3391  	}
  3392  	return false
  3393  }
  3394  func rewriteValuegeneric_OpIsSliceInBounds(v *Value, config *Config) bool {
  3395  	b := v.Block
  3396  	_ = b
  3397  	// match: (IsSliceInBounds x x)
  3398  	// cond:
  3399  	// result: (ConstBool [1])
  3400  	for {
  3401  		x := v.Args[0]
  3402  		if x != v.Args[1] {
  3403  			break
  3404  		}
  3405  		v.reset(OpConstBool)
  3406  		v.AuxInt = 1
  3407  		return true
  3408  	}
  3409  	// match: (IsSliceInBounds (And32 (Const32 [c]) _) (Const32 [d]))
  3410  	// cond: 0 <= c && c <= d
  3411  	// result: (ConstBool [1])
  3412  	for {
  3413  		v_0 := v.Args[0]
  3414  		if v_0.Op != OpAnd32 {
  3415  			break
  3416  		}
  3417  		v_0_0 := v_0.Args[0]
  3418  		if v_0_0.Op != OpConst32 {
  3419  			break
  3420  		}
  3421  		c := v_0_0.AuxInt
  3422  		v_1 := v.Args[1]
  3423  		if v_1.Op != OpConst32 {
  3424  			break
  3425  		}
  3426  		d := v_1.AuxInt
  3427  		if !(0 <= c && c <= d) {
  3428  			break
  3429  		}
  3430  		v.reset(OpConstBool)
  3431  		v.AuxInt = 1
  3432  		return true
  3433  	}
  3434  	// match: (IsSliceInBounds (And64 (Const64 [c]) _) (Const64 [d]))
  3435  	// cond: 0 <= c && c <= d
  3436  	// result: (ConstBool [1])
  3437  	for {
  3438  		v_0 := v.Args[0]
  3439  		if v_0.Op != OpAnd64 {
  3440  			break
  3441  		}
  3442  		v_0_0 := v_0.Args[0]
  3443  		if v_0_0.Op != OpConst64 {
  3444  			break
  3445  		}
  3446  		c := v_0_0.AuxInt
  3447  		v_1 := v.Args[1]
  3448  		if v_1.Op != OpConst64 {
  3449  			break
  3450  		}
  3451  		d := v_1.AuxInt
  3452  		if !(0 <= c && c <= d) {
  3453  			break
  3454  		}
  3455  		v.reset(OpConstBool)
  3456  		v.AuxInt = 1
  3457  		return true
  3458  	}
  3459  	// match: (IsSliceInBounds (Const32 [0]) _)
  3460  	// cond:
  3461  	// result: (ConstBool [1])
  3462  	for {
  3463  		v_0 := v.Args[0]
  3464  		if v_0.Op != OpConst32 {
  3465  			break
  3466  		}
  3467  		if v_0.AuxInt != 0 {
  3468  			break
  3469  		}
  3470  		v.reset(OpConstBool)
  3471  		v.AuxInt = 1
  3472  		return true
  3473  	}
  3474  	// match: (IsSliceInBounds (Const64 [0]) _)
  3475  	// cond:
  3476  	// result: (ConstBool [1])
  3477  	for {
  3478  		v_0 := v.Args[0]
  3479  		if v_0.Op != OpConst64 {
  3480  			break
  3481  		}
  3482  		if v_0.AuxInt != 0 {
  3483  			break
  3484  		}
  3485  		v.reset(OpConstBool)
  3486  		v.AuxInt = 1
  3487  		return true
  3488  	}
  3489  	// match: (IsSliceInBounds (Const32 [c]) (Const32 [d]))
  3490  	// cond:
  3491  	// result: (ConstBool [b2i(0 <= c && c <= d)])
  3492  	for {
  3493  		v_0 := v.Args[0]
  3494  		if v_0.Op != OpConst32 {
  3495  			break
  3496  		}
  3497  		c := v_0.AuxInt
  3498  		v_1 := v.Args[1]
  3499  		if v_1.Op != OpConst32 {
  3500  			break
  3501  		}
  3502  		d := v_1.AuxInt
  3503  		v.reset(OpConstBool)
  3504  		v.AuxInt = b2i(0 <= c && c <= d)
  3505  		return true
  3506  	}
  3507  	// match: (IsSliceInBounds (Const64 [c]) (Const64 [d]))
  3508  	// cond:
  3509  	// result: (ConstBool [b2i(0 <= c && c <= d)])
  3510  	for {
  3511  		v_0 := v.Args[0]
  3512  		if v_0.Op != OpConst64 {
  3513  			break
  3514  		}
  3515  		c := v_0.AuxInt
  3516  		v_1 := v.Args[1]
  3517  		if v_1.Op != OpConst64 {
  3518  			break
  3519  		}
  3520  		d := v_1.AuxInt
  3521  		v.reset(OpConstBool)
  3522  		v.AuxInt = b2i(0 <= c && c <= d)
  3523  		return true
  3524  	}
  3525  	// match: (IsSliceInBounds (SliceLen x) (SliceCap x))
  3526  	// cond:
  3527  	// result: (ConstBool [1])
  3528  	for {
  3529  		v_0 := v.Args[0]
  3530  		if v_0.Op != OpSliceLen {
  3531  			break
  3532  		}
  3533  		x := v_0.Args[0]
  3534  		v_1 := v.Args[1]
  3535  		if v_1.Op != OpSliceCap {
  3536  			break
  3537  		}
  3538  		if x != v_1.Args[0] {
  3539  			break
  3540  		}
  3541  		v.reset(OpConstBool)
  3542  		v.AuxInt = 1
  3543  		return true
  3544  	}
  3545  	return false
  3546  }
  3547  func rewriteValuegeneric_OpLeq16(v *Value, config *Config) bool {
  3548  	b := v.Block
  3549  	_ = b
  3550  	// match: (Leq16 (Const16 [c]) (Const16 [d]))
  3551  	// cond:
  3552  	// result: (ConstBool [b2i(c <= d)])
  3553  	for {
  3554  		v_0 := v.Args[0]
  3555  		if v_0.Op != OpConst16 {
  3556  			break
  3557  		}
  3558  		c := v_0.AuxInt
  3559  		v_1 := v.Args[1]
  3560  		if v_1.Op != OpConst16 {
  3561  			break
  3562  		}
  3563  		d := v_1.AuxInt
  3564  		v.reset(OpConstBool)
  3565  		v.AuxInt = b2i(c <= d)
  3566  		return true
  3567  	}
  3568  	return false
  3569  }
  3570  func rewriteValuegeneric_OpLeq16U(v *Value, config *Config) bool {
  3571  	b := v.Block
  3572  	_ = b
  3573  	// match: (Leq16U (Const16 [c]) (Const16 [d]))
  3574  	// cond:
  3575  	// result: (ConstBool [b2i(uint16(c) <= uint16(d))])
  3576  	for {
  3577  		v_0 := v.Args[0]
  3578  		if v_0.Op != OpConst16 {
  3579  			break
  3580  		}
  3581  		c := v_0.AuxInt
  3582  		v_1 := v.Args[1]
  3583  		if v_1.Op != OpConst16 {
  3584  			break
  3585  		}
  3586  		d := v_1.AuxInt
  3587  		v.reset(OpConstBool)
  3588  		v.AuxInt = b2i(uint16(c) <= uint16(d))
  3589  		return true
  3590  	}
  3591  	return false
  3592  }
  3593  func rewriteValuegeneric_OpLeq32(v *Value, config *Config) bool {
  3594  	b := v.Block
  3595  	_ = b
  3596  	// match: (Leq32 (Const32 [c]) (Const32 [d]))
  3597  	// cond:
  3598  	// result: (ConstBool [b2i(c <= d)])
  3599  	for {
  3600  		v_0 := v.Args[0]
  3601  		if v_0.Op != OpConst32 {
  3602  			break
  3603  		}
  3604  		c := v_0.AuxInt
  3605  		v_1 := v.Args[1]
  3606  		if v_1.Op != OpConst32 {
  3607  			break
  3608  		}
  3609  		d := v_1.AuxInt
  3610  		v.reset(OpConstBool)
  3611  		v.AuxInt = b2i(c <= d)
  3612  		return true
  3613  	}
  3614  	return false
  3615  }
  3616  func rewriteValuegeneric_OpLeq32U(v *Value, config *Config) bool {
  3617  	b := v.Block
  3618  	_ = b
  3619  	// match: (Leq32U (Const32 [c]) (Const32 [d]))
  3620  	// cond:
  3621  	// result: (ConstBool [b2i(uint32(c) <= uint32(d))])
  3622  	for {
  3623  		v_0 := v.Args[0]
  3624  		if v_0.Op != OpConst32 {
  3625  			break
  3626  		}
  3627  		c := v_0.AuxInt
  3628  		v_1 := v.Args[1]
  3629  		if v_1.Op != OpConst32 {
  3630  			break
  3631  		}
  3632  		d := v_1.AuxInt
  3633  		v.reset(OpConstBool)
  3634  		v.AuxInt = b2i(uint32(c) <= uint32(d))
  3635  		return true
  3636  	}
  3637  	return false
  3638  }
  3639  func rewriteValuegeneric_OpLeq64(v *Value, config *Config) bool {
  3640  	b := v.Block
  3641  	_ = b
  3642  	// match: (Leq64 (Const64 [c]) (Const64 [d]))
  3643  	// cond:
  3644  	// result: (ConstBool [b2i(c <= d)])
  3645  	for {
  3646  		v_0 := v.Args[0]
  3647  		if v_0.Op != OpConst64 {
  3648  			break
  3649  		}
  3650  		c := v_0.AuxInt
  3651  		v_1 := v.Args[1]
  3652  		if v_1.Op != OpConst64 {
  3653  			break
  3654  		}
  3655  		d := v_1.AuxInt
  3656  		v.reset(OpConstBool)
  3657  		v.AuxInt = b2i(c <= d)
  3658  		return true
  3659  	}
  3660  	return false
  3661  }
  3662  func rewriteValuegeneric_OpLeq64U(v *Value, config *Config) bool {
  3663  	b := v.Block
  3664  	_ = b
  3665  	// match: (Leq64U (Const64 [c]) (Const64 [d]))
  3666  	// cond:
  3667  	// result: (ConstBool [b2i(uint64(c) <= uint64(d))])
  3668  	for {
  3669  		v_0 := v.Args[0]
  3670  		if v_0.Op != OpConst64 {
  3671  			break
  3672  		}
  3673  		c := v_0.AuxInt
  3674  		v_1 := v.Args[1]
  3675  		if v_1.Op != OpConst64 {
  3676  			break
  3677  		}
  3678  		d := v_1.AuxInt
  3679  		v.reset(OpConstBool)
  3680  		v.AuxInt = b2i(uint64(c) <= uint64(d))
  3681  		return true
  3682  	}
  3683  	return false
  3684  }
  3685  func rewriteValuegeneric_OpLeq8(v *Value, config *Config) bool {
  3686  	b := v.Block
  3687  	_ = b
  3688  	// match: (Leq8  (Const8  [c]) (Const8  [d]))
  3689  	// cond:
  3690  	// result: (ConstBool [b2i(c <= d)])
  3691  	for {
  3692  		v_0 := v.Args[0]
  3693  		if v_0.Op != OpConst8 {
  3694  			break
  3695  		}
  3696  		c := v_0.AuxInt
  3697  		v_1 := v.Args[1]
  3698  		if v_1.Op != OpConst8 {
  3699  			break
  3700  		}
  3701  		d := v_1.AuxInt
  3702  		v.reset(OpConstBool)
  3703  		v.AuxInt = b2i(c <= d)
  3704  		return true
  3705  	}
  3706  	return false
  3707  }
  3708  func rewriteValuegeneric_OpLeq8U(v *Value, config *Config) bool {
  3709  	b := v.Block
  3710  	_ = b
  3711  	// match: (Leq8U  (Const8  [c]) (Const8  [d]))
  3712  	// cond:
  3713  	// result: (ConstBool [b2i(uint8(c)  <= uint8(d))])
  3714  	for {
  3715  		v_0 := v.Args[0]
  3716  		if v_0.Op != OpConst8 {
  3717  			break
  3718  		}
  3719  		c := v_0.AuxInt
  3720  		v_1 := v.Args[1]
  3721  		if v_1.Op != OpConst8 {
  3722  			break
  3723  		}
  3724  		d := v_1.AuxInt
  3725  		v.reset(OpConstBool)
  3726  		v.AuxInt = b2i(uint8(c) <= uint8(d))
  3727  		return true
  3728  	}
  3729  	return false
  3730  }
  3731  func rewriteValuegeneric_OpLess16(v *Value, config *Config) bool {
  3732  	b := v.Block
  3733  	_ = b
  3734  	// match: (Less16 (Const16 [c]) (Const16 [d]))
  3735  	// cond:
  3736  	// result: (ConstBool [b2i(c < d)])
  3737  	for {
  3738  		v_0 := v.Args[0]
  3739  		if v_0.Op != OpConst16 {
  3740  			break
  3741  		}
  3742  		c := v_0.AuxInt
  3743  		v_1 := v.Args[1]
  3744  		if v_1.Op != OpConst16 {
  3745  			break
  3746  		}
  3747  		d := v_1.AuxInt
  3748  		v.reset(OpConstBool)
  3749  		v.AuxInt = b2i(c < d)
  3750  		return true
  3751  	}
  3752  	return false
  3753  }
  3754  func rewriteValuegeneric_OpLess16U(v *Value, config *Config) bool {
  3755  	b := v.Block
  3756  	_ = b
  3757  	// match: (Less16U (Const16 [c]) (Const16 [d]))
  3758  	// cond:
  3759  	// result: (ConstBool [b2i(uint16(c) < uint16(d))])
  3760  	for {
  3761  		v_0 := v.Args[0]
  3762  		if v_0.Op != OpConst16 {
  3763  			break
  3764  		}
  3765  		c := v_0.AuxInt
  3766  		v_1 := v.Args[1]
  3767  		if v_1.Op != OpConst16 {
  3768  			break
  3769  		}
  3770  		d := v_1.AuxInt
  3771  		v.reset(OpConstBool)
  3772  		v.AuxInt = b2i(uint16(c) < uint16(d))
  3773  		return true
  3774  	}
  3775  	return false
  3776  }
  3777  func rewriteValuegeneric_OpLess32(v *Value, config *Config) bool {
  3778  	b := v.Block
  3779  	_ = b
  3780  	// match: (Less32 (Const32 [c]) (Const32 [d]))
  3781  	// cond:
  3782  	// result: (ConstBool [b2i(c < d)])
  3783  	for {
  3784  		v_0 := v.Args[0]
  3785  		if v_0.Op != OpConst32 {
  3786  			break
  3787  		}
  3788  		c := v_0.AuxInt
  3789  		v_1 := v.Args[1]
  3790  		if v_1.Op != OpConst32 {
  3791  			break
  3792  		}
  3793  		d := v_1.AuxInt
  3794  		v.reset(OpConstBool)
  3795  		v.AuxInt = b2i(c < d)
  3796  		return true
  3797  	}
  3798  	return false
  3799  }
  3800  func rewriteValuegeneric_OpLess32U(v *Value, config *Config) bool {
  3801  	b := v.Block
  3802  	_ = b
  3803  	// match: (Less32U (Const32 [c]) (Const32 [d]))
  3804  	// cond:
  3805  	// result: (ConstBool [b2i(uint32(c) < uint32(d))])
  3806  	for {
  3807  		v_0 := v.Args[0]
  3808  		if v_0.Op != OpConst32 {
  3809  			break
  3810  		}
  3811  		c := v_0.AuxInt
  3812  		v_1 := v.Args[1]
  3813  		if v_1.Op != OpConst32 {
  3814  			break
  3815  		}
  3816  		d := v_1.AuxInt
  3817  		v.reset(OpConstBool)
  3818  		v.AuxInt = b2i(uint32(c) < uint32(d))
  3819  		return true
  3820  	}
  3821  	return false
  3822  }
  3823  func rewriteValuegeneric_OpLess64(v *Value, config *Config) bool {
  3824  	b := v.Block
  3825  	_ = b
  3826  	// match: (Less64 (Const64 [c]) (Const64 [d]))
  3827  	// cond:
  3828  	// result: (ConstBool [b2i(c < d)])
  3829  	for {
  3830  		v_0 := v.Args[0]
  3831  		if v_0.Op != OpConst64 {
  3832  			break
  3833  		}
  3834  		c := v_0.AuxInt
  3835  		v_1 := v.Args[1]
  3836  		if v_1.Op != OpConst64 {
  3837  			break
  3838  		}
  3839  		d := v_1.AuxInt
  3840  		v.reset(OpConstBool)
  3841  		v.AuxInt = b2i(c < d)
  3842  		return true
  3843  	}
  3844  	return false
  3845  }
  3846  func rewriteValuegeneric_OpLess64U(v *Value, config *Config) bool {
  3847  	b := v.Block
  3848  	_ = b
  3849  	// match: (Less64U (Const64 [c]) (Const64 [d]))
  3850  	// cond:
  3851  	// result: (ConstBool [b2i(uint64(c) < uint64(d))])
  3852  	for {
  3853  		v_0 := v.Args[0]
  3854  		if v_0.Op != OpConst64 {
  3855  			break
  3856  		}
  3857  		c := v_0.AuxInt
  3858  		v_1 := v.Args[1]
  3859  		if v_1.Op != OpConst64 {
  3860  			break
  3861  		}
  3862  		d := v_1.AuxInt
  3863  		v.reset(OpConstBool)
  3864  		v.AuxInt = b2i(uint64(c) < uint64(d))
  3865  		return true
  3866  	}
  3867  	return false
  3868  }
  3869  func rewriteValuegeneric_OpLess8(v *Value, config *Config) bool {
  3870  	b := v.Block
  3871  	_ = b
  3872  	// match: (Less8  (Const8  [c]) (Const8  [d]))
  3873  	// cond:
  3874  	// result: (ConstBool [b2i(c < d)])
  3875  	for {
  3876  		v_0 := v.Args[0]
  3877  		if v_0.Op != OpConst8 {
  3878  			break
  3879  		}
  3880  		c := v_0.AuxInt
  3881  		v_1 := v.Args[1]
  3882  		if v_1.Op != OpConst8 {
  3883  			break
  3884  		}
  3885  		d := v_1.AuxInt
  3886  		v.reset(OpConstBool)
  3887  		v.AuxInt = b2i(c < d)
  3888  		return true
  3889  	}
  3890  	return false
  3891  }
  3892  func rewriteValuegeneric_OpLess8U(v *Value, config *Config) bool {
  3893  	b := v.Block
  3894  	_ = b
  3895  	// match: (Less8U  (Const8  [c]) (Const8  [d]))
  3896  	// cond:
  3897  	// result: (ConstBool [b2i(uint8(c)  < uint8(d))])
  3898  	for {
  3899  		v_0 := v.Args[0]
  3900  		if v_0.Op != OpConst8 {
  3901  			break
  3902  		}
  3903  		c := v_0.AuxInt
  3904  		v_1 := v.Args[1]
  3905  		if v_1.Op != OpConst8 {
  3906  			break
  3907  		}
  3908  		d := v_1.AuxInt
  3909  		v.reset(OpConstBool)
  3910  		v.AuxInt = b2i(uint8(c) < uint8(d))
  3911  		return true
  3912  	}
  3913  	return false
  3914  }
  3915  func rewriteValuegeneric_OpLoad(v *Value, config *Config) bool {
  3916  	b := v.Block
  3917  	_ = b
  3918  	// match: (Load <t1> p1 (Store [w] p2 x _))
  3919  	// cond: isSamePtr(p1,p2) && t1.Compare(x.Type)==CMPeq && w == t1.Size()
  3920  	// result: x
  3921  	for {
  3922  		t1 := v.Type
  3923  		p1 := v.Args[0]
  3924  		v_1 := v.Args[1]
  3925  		if v_1.Op != OpStore {
  3926  			break
  3927  		}
  3928  		w := v_1.AuxInt
  3929  		p2 := v_1.Args[0]
  3930  		x := v_1.Args[1]
  3931  		if !(isSamePtr(p1, p2) && t1.Compare(x.Type) == CMPeq && w == t1.Size()) {
  3932  			break
  3933  		}
  3934  		v.reset(OpCopy)
  3935  		v.Type = x.Type
  3936  		v.AddArg(x)
  3937  		return true
  3938  	}
  3939  	// match: (Load <t> _ _)
  3940  	// cond: t.IsStruct() && t.NumFields() == 0 && config.fe.CanSSA(t)
  3941  	// result: (StructMake0)
  3942  	for {
  3943  		t := v.Type
  3944  		if !(t.IsStruct() && t.NumFields() == 0 && config.fe.CanSSA(t)) {
  3945  			break
  3946  		}
  3947  		v.reset(OpStructMake0)
  3948  		return true
  3949  	}
  3950  	// match: (Load <t> ptr mem)
  3951  	// cond: t.IsStruct() && t.NumFields() == 1 && config.fe.CanSSA(t)
  3952  	// result: (StructMake1     (Load <t.FieldType(0)> ptr mem))
  3953  	for {
  3954  		t := v.Type
  3955  		ptr := v.Args[0]
  3956  		mem := v.Args[1]
  3957  		if !(t.IsStruct() && t.NumFields() == 1 && config.fe.CanSSA(t)) {
  3958  			break
  3959  		}
  3960  		v.reset(OpStructMake1)
  3961  		v0 := b.NewValue0(v.Line, OpLoad, t.FieldType(0))
  3962  		v0.AddArg(ptr)
  3963  		v0.AddArg(mem)
  3964  		v.AddArg(v0)
  3965  		return true
  3966  	}
  3967  	// match: (Load <t> ptr mem)
  3968  	// cond: t.IsStruct() && t.NumFields() == 2 && config.fe.CanSSA(t)
  3969  	// result: (StructMake2     (Load <t.FieldType(0)> ptr mem)     (Load <t.FieldType(1)> (OffPtr <t.FieldType(1).PtrTo()> [t.FieldOff(1)] ptr) mem))
  3970  	for {
  3971  		t := v.Type
  3972  		ptr := v.Args[0]
  3973  		mem := v.Args[1]
  3974  		if !(t.IsStruct() && t.NumFields() == 2 && config.fe.CanSSA(t)) {
  3975  			break
  3976  		}
  3977  		v.reset(OpStructMake2)
  3978  		v0 := b.NewValue0(v.Line, OpLoad, t.FieldType(0))
  3979  		v0.AddArg(ptr)
  3980  		v0.AddArg(mem)
  3981  		v.AddArg(v0)
  3982  		v1 := b.NewValue0(v.Line, OpLoad, t.FieldType(1))
  3983  		v2 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(1).PtrTo())
  3984  		v2.AuxInt = t.FieldOff(1)
  3985  		v2.AddArg(ptr)
  3986  		v1.AddArg(v2)
  3987  		v1.AddArg(mem)
  3988  		v.AddArg(v1)
  3989  		return true
  3990  	}
  3991  	// match: (Load <t> ptr mem)
  3992  	// cond: t.IsStruct() && t.NumFields() == 3 && config.fe.CanSSA(t)
  3993  	// result: (StructMake3     (Load <t.FieldType(0)> ptr mem)     (Load <t.FieldType(1)> (OffPtr <t.FieldType(1).PtrTo()> [t.FieldOff(1)] ptr) mem)     (Load <t.FieldType(2)> (OffPtr <t.FieldType(2).PtrTo()> [t.FieldOff(2)] ptr) mem))
  3994  	for {
  3995  		t := v.Type
  3996  		ptr := v.Args[0]
  3997  		mem := v.Args[1]
  3998  		if !(t.IsStruct() && t.NumFields() == 3 && config.fe.CanSSA(t)) {
  3999  			break
  4000  		}
  4001  		v.reset(OpStructMake3)
  4002  		v0 := b.NewValue0(v.Line, OpLoad, t.FieldType(0))
  4003  		v0.AddArg(ptr)
  4004  		v0.AddArg(mem)
  4005  		v.AddArg(v0)
  4006  		v1 := b.NewValue0(v.Line, OpLoad, t.FieldType(1))
  4007  		v2 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(1).PtrTo())
  4008  		v2.AuxInt = t.FieldOff(1)
  4009  		v2.AddArg(ptr)
  4010  		v1.AddArg(v2)
  4011  		v1.AddArg(mem)
  4012  		v.AddArg(v1)
  4013  		v3 := b.NewValue0(v.Line, OpLoad, t.FieldType(2))
  4014  		v4 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(2).PtrTo())
  4015  		v4.AuxInt = t.FieldOff(2)
  4016  		v4.AddArg(ptr)
  4017  		v3.AddArg(v4)
  4018  		v3.AddArg(mem)
  4019  		v.AddArg(v3)
  4020  		return true
  4021  	}
  4022  	// match: (Load <t> ptr mem)
  4023  	// cond: t.IsStruct() && t.NumFields() == 4 && config.fe.CanSSA(t)
  4024  	// result: (StructMake4     (Load <t.FieldType(0)> ptr mem)     (Load <t.FieldType(1)> (OffPtr <t.FieldType(1).PtrTo()> [t.FieldOff(1)] ptr) mem)     (Load <t.FieldType(2)> (OffPtr <t.FieldType(2).PtrTo()> [t.FieldOff(2)] ptr) mem)     (Load <t.FieldType(3)> (OffPtr <t.FieldType(3).PtrTo()> [t.FieldOff(3)] ptr) mem))
  4025  	for {
  4026  		t := v.Type
  4027  		ptr := v.Args[0]
  4028  		mem := v.Args[1]
  4029  		if !(t.IsStruct() && t.NumFields() == 4 && config.fe.CanSSA(t)) {
  4030  			break
  4031  		}
  4032  		v.reset(OpStructMake4)
  4033  		v0 := b.NewValue0(v.Line, OpLoad, t.FieldType(0))
  4034  		v0.AddArg(ptr)
  4035  		v0.AddArg(mem)
  4036  		v.AddArg(v0)
  4037  		v1 := b.NewValue0(v.Line, OpLoad, t.FieldType(1))
  4038  		v2 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(1).PtrTo())
  4039  		v2.AuxInt = t.FieldOff(1)
  4040  		v2.AddArg(ptr)
  4041  		v1.AddArg(v2)
  4042  		v1.AddArg(mem)
  4043  		v.AddArg(v1)
  4044  		v3 := b.NewValue0(v.Line, OpLoad, t.FieldType(2))
  4045  		v4 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(2).PtrTo())
  4046  		v4.AuxInt = t.FieldOff(2)
  4047  		v4.AddArg(ptr)
  4048  		v3.AddArg(v4)
  4049  		v3.AddArg(mem)
  4050  		v.AddArg(v3)
  4051  		v5 := b.NewValue0(v.Line, OpLoad, t.FieldType(3))
  4052  		v6 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(3).PtrTo())
  4053  		v6.AuxInt = t.FieldOff(3)
  4054  		v6.AddArg(ptr)
  4055  		v5.AddArg(v6)
  4056  		v5.AddArg(mem)
  4057  		v.AddArg(v5)
  4058  		return true
  4059  	}
  4060  	// match: (Load <t> _ _)
  4061  	// cond: t.IsArray() && t.NumElem() == 0
  4062  	// result: (ArrayMake0)
  4063  	for {
  4064  		t := v.Type
  4065  		if !(t.IsArray() && t.NumElem() == 0) {
  4066  			break
  4067  		}
  4068  		v.reset(OpArrayMake0)
  4069  		return true
  4070  	}
  4071  	// match: (Load <t> ptr mem)
  4072  	// cond: t.IsArray() && t.NumElem() == 1 && config.fe.CanSSA(t)
  4073  	// result: (ArrayMake1 (Load <t.ElemType()> ptr mem))
  4074  	for {
  4075  		t := v.Type
  4076  		ptr := v.Args[0]
  4077  		mem := v.Args[1]
  4078  		if !(t.IsArray() && t.NumElem() == 1 && config.fe.CanSSA(t)) {
  4079  			break
  4080  		}
  4081  		v.reset(OpArrayMake1)
  4082  		v0 := b.NewValue0(v.Line, OpLoad, t.ElemType())
  4083  		v0.AddArg(ptr)
  4084  		v0.AddArg(mem)
  4085  		v.AddArg(v0)
  4086  		return true
  4087  	}
  4088  	return false
  4089  }
  4090  func rewriteValuegeneric_OpLsh16x16(v *Value, config *Config) bool {
  4091  	b := v.Block
  4092  	_ = b
  4093  	// match: (Lsh16x16  <t> x (Const16 [c]))
  4094  	// cond:
  4095  	// result: (Lsh16x64  x (Const64 <t> [int64(uint16(c))]))
  4096  	for {
  4097  		t := v.Type
  4098  		x := v.Args[0]
  4099  		v_1 := v.Args[1]
  4100  		if v_1.Op != OpConst16 {
  4101  			break
  4102  		}
  4103  		c := v_1.AuxInt
  4104  		v.reset(OpLsh16x64)
  4105  		v.AddArg(x)
  4106  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4107  		v0.AuxInt = int64(uint16(c))
  4108  		v.AddArg(v0)
  4109  		return true
  4110  	}
  4111  	// match: (Lsh16x16  (Const16 [0]) _)
  4112  	// cond:
  4113  	// result: (Const16 [0])
  4114  	for {
  4115  		v_0 := v.Args[0]
  4116  		if v_0.Op != OpConst16 {
  4117  			break
  4118  		}
  4119  		if v_0.AuxInt != 0 {
  4120  			break
  4121  		}
  4122  		v.reset(OpConst16)
  4123  		v.AuxInt = 0
  4124  		return true
  4125  	}
  4126  	return false
  4127  }
  4128  func rewriteValuegeneric_OpLsh16x32(v *Value, config *Config) bool {
  4129  	b := v.Block
  4130  	_ = b
  4131  	// match: (Lsh16x32  <t> x (Const32 [c]))
  4132  	// cond:
  4133  	// result: (Lsh16x64  x (Const64 <t> [int64(uint32(c))]))
  4134  	for {
  4135  		t := v.Type
  4136  		x := v.Args[0]
  4137  		v_1 := v.Args[1]
  4138  		if v_1.Op != OpConst32 {
  4139  			break
  4140  		}
  4141  		c := v_1.AuxInt
  4142  		v.reset(OpLsh16x64)
  4143  		v.AddArg(x)
  4144  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4145  		v0.AuxInt = int64(uint32(c))
  4146  		v.AddArg(v0)
  4147  		return true
  4148  	}
  4149  	// match: (Lsh16x32  (Const16 [0]) _)
  4150  	// cond:
  4151  	// result: (Const16 [0])
  4152  	for {
  4153  		v_0 := v.Args[0]
  4154  		if v_0.Op != OpConst16 {
  4155  			break
  4156  		}
  4157  		if v_0.AuxInt != 0 {
  4158  			break
  4159  		}
  4160  		v.reset(OpConst16)
  4161  		v.AuxInt = 0
  4162  		return true
  4163  	}
  4164  	return false
  4165  }
  4166  func rewriteValuegeneric_OpLsh16x64(v *Value, config *Config) bool {
  4167  	b := v.Block
  4168  	_ = b
  4169  	// match: (Lsh16x64  (Const16 [c]) (Const64 [d]))
  4170  	// cond:
  4171  	// result: (Const16 [int64(int16(c) << uint64(d))])
  4172  	for {
  4173  		v_0 := v.Args[0]
  4174  		if v_0.Op != OpConst16 {
  4175  			break
  4176  		}
  4177  		c := v_0.AuxInt
  4178  		v_1 := v.Args[1]
  4179  		if v_1.Op != OpConst64 {
  4180  			break
  4181  		}
  4182  		d := v_1.AuxInt
  4183  		v.reset(OpConst16)
  4184  		v.AuxInt = int64(int16(c) << uint64(d))
  4185  		return true
  4186  	}
  4187  	// match: (Lsh16x64  x (Const64 [0]))
  4188  	// cond:
  4189  	// result: x
  4190  	for {
  4191  		x := v.Args[0]
  4192  		v_1 := v.Args[1]
  4193  		if v_1.Op != OpConst64 {
  4194  			break
  4195  		}
  4196  		if v_1.AuxInt != 0 {
  4197  			break
  4198  		}
  4199  		v.reset(OpCopy)
  4200  		v.Type = x.Type
  4201  		v.AddArg(x)
  4202  		return true
  4203  	}
  4204  	// match: (Lsh16x64  (Const16 [0]) _)
  4205  	// cond:
  4206  	// result: (Const16 [0])
  4207  	for {
  4208  		v_0 := v.Args[0]
  4209  		if v_0.Op != OpConst16 {
  4210  			break
  4211  		}
  4212  		if v_0.AuxInt != 0 {
  4213  			break
  4214  		}
  4215  		v.reset(OpConst16)
  4216  		v.AuxInt = 0
  4217  		return true
  4218  	}
  4219  	// match: (Lsh16x64  _ (Const64 [c]))
  4220  	// cond: uint64(c) >= 16
  4221  	// result: (Const16 [0])
  4222  	for {
  4223  		v_1 := v.Args[1]
  4224  		if v_1.Op != OpConst64 {
  4225  			break
  4226  		}
  4227  		c := v_1.AuxInt
  4228  		if !(uint64(c) >= 16) {
  4229  			break
  4230  		}
  4231  		v.reset(OpConst16)
  4232  		v.AuxInt = 0
  4233  		return true
  4234  	}
  4235  	// match: (Lsh16x64 <t> (Lsh16x64 x (Const64 [c])) (Const64 [d]))
  4236  	// cond: !uaddOvf(c,d)
  4237  	// result: (Lsh16x64 x (Const64 <t> [c+d]))
  4238  	for {
  4239  		t := v.Type
  4240  		v_0 := v.Args[0]
  4241  		if v_0.Op != OpLsh16x64 {
  4242  			break
  4243  		}
  4244  		x := v_0.Args[0]
  4245  		v_0_1 := v_0.Args[1]
  4246  		if v_0_1.Op != OpConst64 {
  4247  			break
  4248  		}
  4249  		c := v_0_1.AuxInt
  4250  		v_1 := v.Args[1]
  4251  		if v_1.Op != OpConst64 {
  4252  			break
  4253  		}
  4254  		d := v_1.AuxInt
  4255  		if !(!uaddOvf(c, d)) {
  4256  			break
  4257  		}
  4258  		v.reset(OpLsh16x64)
  4259  		v.AddArg(x)
  4260  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4261  		v0.AuxInt = c + d
  4262  		v.AddArg(v0)
  4263  		return true
  4264  	}
  4265  	// match: (Lsh16x64 (Rsh16Ux64 (Lsh16x64 x (Const64 [c1])) (Const64 [c2])) (Const64 [c3]))
  4266  	// cond: uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)
  4267  	// result: (Lsh16x64 x (Const64 <config.fe.TypeUInt64()> [c1-c2+c3]))
  4268  	for {
  4269  		v_0 := v.Args[0]
  4270  		if v_0.Op != OpRsh16Ux64 {
  4271  			break
  4272  		}
  4273  		v_0_0 := v_0.Args[0]
  4274  		if v_0_0.Op != OpLsh16x64 {
  4275  			break
  4276  		}
  4277  		x := v_0_0.Args[0]
  4278  		v_0_0_1 := v_0_0.Args[1]
  4279  		if v_0_0_1.Op != OpConst64 {
  4280  			break
  4281  		}
  4282  		c1 := v_0_0_1.AuxInt
  4283  		v_0_1 := v_0.Args[1]
  4284  		if v_0_1.Op != OpConst64 {
  4285  			break
  4286  		}
  4287  		c2 := v_0_1.AuxInt
  4288  		v_1 := v.Args[1]
  4289  		if v_1.Op != OpConst64 {
  4290  			break
  4291  		}
  4292  		c3 := v_1.AuxInt
  4293  		if !(uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)) {
  4294  			break
  4295  		}
  4296  		v.reset(OpLsh16x64)
  4297  		v.AddArg(x)
  4298  		v0 := b.NewValue0(v.Line, OpConst64, config.fe.TypeUInt64())
  4299  		v0.AuxInt = c1 - c2 + c3
  4300  		v.AddArg(v0)
  4301  		return true
  4302  	}
  4303  	return false
  4304  }
  4305  func rewriteValuegeneric_OpLsh16x8(v *Value, config *Config) bool {
  4306  	b := v.Block
  4307  	_ = b
  4308  	// match: (Lsh16x8   <t> x (Const8  [c]))
  4309  	// cond:
  4310  	// result: (Lsh16x64  x (Const64 <t> [int64(uint8(c))]))
  4311  	for {
  4312  		t := v.Type
  4313  		x := v.Args[0]
  4314  		v_1 := v.Args[1]
  4315  		if v_1.Op != OpConst8 {
  4316  			break
  4317  		}
  4318  		c := v_1.AuxInt
  4319  		v.reset(OpLsh16x64)
  4320  		v.AddArg(x)
  4321  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4322  		v0.AuxInt = int64(uint8(c))
  4323  		v.AddArg(v0)
  4324  		return true
  4325  	}
  4326  	// match: (Lsh16x8  (Const16 [0]) _)
  4327  	// cond:
  4328  	// result: (Const16 [0])
  4329  	for {
  4330  		v_0 := v.Args[0]
  4331  		if v_0.Op != OpConst16 {
  4332  			break
  4333  		}
  4334  		if v_0.AuxInt != 0 {
  4335  			break
  4336  		}
  4337  		v.reset(OpConst16)
  4338  		v.AuxInt = 0
  4339  		return true
  4340  	}
  4341  	return false
  4342  }
  4343  func rewriteValuegeneric_OpLsh32x16(v *Value, config *Config) bool {
  4344  	b := v.Block
  4345  	_ = b
  4346  	// match: (Lsh32x16  <t> x (Const16 [c]))
  4347  	// cond:
  4348  	// result: (Lsh32x64  x (Const64 <t> [int64(uint16(c))]))
  4349  	for {
  4350  		t := v.Type
  4351  		x := v.Args[0]
  4352  		v_1 := v.Args[1]
  4353  		if v_1.Op != OpConst16 {
  4354  			break
  4355  		}
  4356  		c := v_1.AuxInt
  4357  		v.reset(OpLsh32x64)
  4358  		v.AddArg(x)
  4359  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4360  		v0.AuxInt = int64(uint16(c))
  4361  		v.AddArg(v0)
  4362  		return true
  4363  	}
  4364  	// match: (Lsh32x16  (Const32 [0]) _)
  4365  	// cond:
  4366  	// result: (Const32 [0])
  4367  	for {
  4368  		v_0 := v.Args[0]
  4369  		if v_0.Op != OpConst32 {
  4370  			break
  4371  		}
  4372  		if v_0.AuxInt != 0 {
  4373  			break
  4374  		}
  4375  		v.reset(OpConst32)
  4376  		v.AuxInt = 0
  4377  		return true
  4378  	}
  4379  	return false
  4380  }
  4381  func rewriteValuegeneric_OpLsh32x32(v *Value, config *Config) bool {
  4382  	b := v.Block
  4383  	_ = b
  4384  	// match: (Lsh32x32  <t> x (Const32 [c]))
  4385  	// cond:
  4386  	// result: (Lsh32x64  x (Const64 <t> [int64(uint32(c))]))
  4387  	for {
  4388  		t := v.Type
  4389  		x := v.Args[0]
  4390  		v_1 := v.Args[1]
  4391  		if v_1.Op != OpConst32 {
  4392  			break
  4393  		}
  4394  		c := v_1.AuxInt
  4395  		v.reset(OpLsh32x64)
  4396  		v.AddArg(x)
  4397  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4398  		v0.AuxInt = int64(uint32(c))
  4399  		v.AddArg(v0)
  4400  		return true
  4401  	}
  4402  	// match: (Lsh32x32  (Const32 [0]) _)
  4403  	// cond:
  4404  	// result: (Const32 [0])
  4405  	for {
  4406  		v_0 := v.Args[0]
  4407  		if v_0.Op != OpConst32 {
  4408  			break
  4409  		}
  4410  		if v_0.AuxInt != 0 {
  4411  			break
  4412  		}
  4413  		v.reset(OpConst32)
  4414  		v.AuxInt = 0
  4415  		return true
  4416  	}
  4417  	return false
  4418  }
  4419  func rewriteValuegeneric_OpLsh32x64(v *Value, config *Config) bool {
  4420  	b := v.Block
  4421  	_ = b
  4422  	// match: (Lsh32x64  (Const32 [c]) (Const64 [d]))
  4423  	// cond:
  4424  	// result: (Const32 [int64(int32(c) << uint64(d))])
  4425  	for {
  4426  		v_0 := v.Args[0]
  4427  		if v_0.Op != OpConst32 {
  4428  			break
  4429  		}
  4430  		c := v_0.AuxInt
  4431  		v_1 := v.Args[1]
  4432  		if v_1.Op != OpConst64 {
  4433  			break
  4434  		}
  4435  		d := v_1.AuxInt
  4436  		v.reset(OpConst32)
  4437  		v.AuxInt = int64(int32(c) << uint64(d))
  4438  		return true
  4439  	}
  4440  	// match: (Lsh32x64  x (Const64 [0]))
  4441  	// cond:
  4442  	// result: x
  4443  	for {
  4444  		x := v.Args[0]
  4445  		v_1 := v.Args[1]
  4446  		if v_1.Op != OpConst64 {
  4447  			break
  4448  		}
  4449  		if v_1.AuxInt != 0 {
  4450  			break
  4451  		}
  4452  		v.reset(OpCopy)
  4453  		v.Type = x.Type
  4454  		v.AddArg(x)
  4455  		return true
  4456  	}
  4457  	// match: (Lsh32x64  (Const32 [0]) _)
  4458  	// cond:
  4459  	// result: (Const32 [0])
  4460  	for {
  4461  		v_0 := v.Args[0]
  4462  		if v_0.Op != OpConst32 {
  4463  			break
  4464  		}
  4465  		if v_0.AuxInt != 0 {
  4466  			break
  4467  		}
  4468  		v.reset(OpConst32)
  4469  		v.AuxInt = 0
  4470  		return true
  4471  	}
  4472  	// match: (Lsh32x64  _ (Const64 [c]))
  4473  	// cond: uint64(c) >= 32
  4474  	// result: (Const32 [0])
  4475  	for {
  4476  		v_1 := v.Args[1]
  4477  		if v_1.Op != OpConst64 {
  4478  			break
  4479  		}
  4480  		c := v_1.AuxInt
  4481  		if !(uint64(c) >= 32) {
  4482  			break
  4483  		}
  4484  		v.reset(OpConst32)
  4485  		v.AuxInt = 0
  4486  		return true
  4487  	}
  4488  	// match: (Lsh32x64 <t> (Lsh32x64 x (Const64 [c])) (Const64 [d]))
  4489  	// cond: !uaddOvf(c,d)
  4490  	// result: (Lsh32x64 x (Const64 <t> [c+d]))
  4491  	for {
  4492  		t := v.Type
  4493  		v_0 := v.Args[0]
  4494  		if v_0.Op != OpLsh32x64 {
  4495  			break
  4496  		}
  4497  		x := v_0.Args[0]
  4498  		v_0_1 := v_0.Args[1]
  4499  		if v_0_1.Op != OpConst64 {
  4500  			break
  4501  		}
  4502  		c := v_0_1.AuxInt
  4503  		v_1 := v.Args[1]
  4504  		if v_1.Op != OpConst64 {
  4505  			break
  4506  		}
  4507  		d := v_1.AuxInt
  4508  		if !(!uaddOvf(c, d)) {
  4509  			break
  4510  		}
  4511  		v.reset(OpLsh32x64)
  4512  		v.AddArg(x)
  4513  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4514  		v0.AuxInt = c + d
  4515  		v.AddArg(v0)
  4516  		return true
  4517  	}
  4518  	// match: (Lsh32x64 (Rsh32Ux64 (Lsh32x64 x (Const64 [c1])) (Const64 [c2])) (Const64 [c3]))
  4519  	// cond: uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)
  4520  	// result: (Lsh32x64 x (Const64 <config.fe.TypeUInt64()> [c1-c2+c3]))
  4521  	for {
  4522  		v_0 := v.Args[0]
  4523  		if v_0.Op != OpRsh32Ux64 {
  4524  			break
  4525  		}
  4526  		v_0_0 := v_0.Args[0]
  4527  		if v_0_0.Op != OpLsh32x64 {
  4528  			break
  4529  		}
  4530  		x := v_0_0.Args[0]
  4531  		v_0_0_1 := v_0_0.Args[1]
  4532  		if v_0_0_1.Op != OpConst64 {
  4533  			break
  4534  		}
  4535  		c1 := v_0_0_1.AuxInt
  4536  		v_0_1 := v_0.Args[1]
  4537  		if v_0_1.Op != OpConst64 {
  4538  			break
  4539  		}
  4540  		c2 := v_0_1.AuxInt
  4541  		v_1 := v.Args[1]
  4542  		if v_1.Op != OpConst64 {
  4543  			break
  4544  		}
  4545  		c3 := v_1.AuxInt
  4546  		if !(uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)) {
  4547  			break
  4548  		}
  4549  		v.reset(OpLsh32x64)
  4550  		v.AddArg(x)
  4551  		v0 := b.NewValue0(v.Line, OpConst64, config.fe.TypeUInt64())
  4552  		v0.AuxInt = c1 - c2 + c3
  4553  		v.AddArg(v0)
  4554  		return true
  4555  	}
  4556  	return false
  4557  }
  4558  func rewriteValuegeneric_OpLsh32x8(v *Value, config *Config) bool {
  4559  	b := v.Block
  4560  	_ = b
  4561  	// match: (Lsh32x8   <t> x (Const8  [c]))
  4562  	// cond:
  4563  	// result: (Lsh32x64  x (Const64 <t> [int64(uint8(c))]))
  4564  	for {
  4565  		t := v.Type
  4566  		x := v.Args[0]
  4567  		v_1 := v.Args[1]
  4568  		if v_1.Op != OpConst8 {
  4569  			break
  4570  		}
  4571  		c := v_1.AuxInt
  4572  		v.reset(OpLsh32x64)
  4573  		v.AddArg(x)
  4574  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4575  		v0.AuxInt = int64(uint8(c))
  4576  		v.AddArg(v0)
  4577  		return true
  4578  	}
  4579  	// match: (Lsh32x8  (Const32 [0]) _)
  4580  	// cond:
  4581  	// result: (Const32 [0])
  4582  	for {
  4583  		v_0 := v.Args[0]
  4584  		if v_0.Op != OpConst32 {
  4585  			break
  4586  		}
  4587  		if v_0.AuxInt != 0 {
  4588  			break
  4589  		}
  4590  		v.reset(OpConst32)
  4591  		v.AuxInt = 0
  4592  		return true
  4593  	}
  4594  	return false
  4595  }
  4596  func rewriteValuegeneric_OpLsh64x16(v *Value, config *Config) bool {
  4597  	b := v.Block
  4598  	_ = b
  4599  	// match: (Lsh64x16  <t> x (Const16 [c]))
  4600  	// cond:
  4601  	// result: (Lsh64x64  x (Const64 <t> [int64(uint16(c))]))
  4602  	for {
  4603  		t := v.Type
  4604  		x := v.Args[0]
  4605  		v_1 := v.Args[1]
  4606  		if v_1.Op != OpConst16 {
  4607  			break
  4608  		}
  4609  		c := v_1.AuxInt
  4610  		v.reset(OpLsh64x64)
  4611  		v.AddArg(x)
  4612  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4613  		v0.AuxInt = int64(uint16(c))
  4614  		v.AddArg(v0)
  4615  		return true
  4616  	}
  4617  	// match: (Lsh64x16  (Const64 [0]) _)
  4618  	// cond:
  4619  	// result: (Const64 [0])
  4620  	for {
  4621  		v_0 := v.Args[0]
  4622  		if v_0.Op != OpConst64 {
  4623  			break
  4624  		}
  4625  		if v_0.AuxInt != 0 {
  4626  			break
  4627  		}
  4628  		v.reset(OpConst64)
  4629  		v.AuxInt = 0
  4630  		return true
  4631  	}
  4632  	return false
  4633  }
  4634  func rewriteValuegeneric_OpLsh64x32(v *Value, config *Config) bool {
  4635  	b := v.Block
  4636  	_ = b
  4637  	// match: (Lsh64x32  <t> x (Const32 [c]))
  4638  	// cond:
  4639  	// result: (Lsh64x64  x (Const64 <t> [int64(uint32(c))]))
  4640  	for {
  4641  		t := v.Type
  4642  		x := v.Args[0]
  4643  		v_1 := v.Args[1]
  4644  		if v_1.Op != OpConst32 {
  4645  			break
  4646  		}
  4647  		c := v_1.AuxInt
  4648  		v.reset(OpLsh64x64)
  4649  		v.AddArg(x)
  4650  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4651  		v0.AuxInt = int64(uint32(c))
  4652  		v.AddArg(v0)
  4653  		return true
  4654  	}
  4655  	// match: (Lsh64x32  (Const64 [0]) _)
  4656  	// cond:
  4657  	// result: (Const64 [0])
  4658  	for {
  4659  		v_0 := v.Args[0]
  4660  		if v_0.Op != OpConst64 {
  4661  			break
  4662  		}
  4663  		if v_0.AuxInt != 0 {
  4664  			break
  4665  		}
  4666  		v.reset(OpConst64)
  4667  		v.AuxInt = 0
  4668  		return true
  4669  	}
  4670  	return false
  4671  }
  4672  func rewriteValuegeneric_OpLsh64x64(v *Value, config *Config) bool {
  4673  	b := v.Block
  4674  	_ = b
  4675  	// match: (Lsh64x64  (Const64 [c]) (Const64 [d]))
  4676  	// cond:
  4677  	// result: (Const64 [c << uint64(d)])
  4678  	for {
  4679  		v_0 := v.Args[0]
  4680  		if v_0.Op != OpConst64 {
  4681  			break
  4682  		}
  4683  		c := v_0.AuxInt
  4684  		v_1 := v.Args[1]
  4685  		if v_1.Op != OpConst64 {
  4686  			break
  4687  		}
  4688  		d := v_1.AuxInt
  4689  		v.reset(OpConst64)
  4690  		v.AuxInt = c << uint64(d)
  4691  		return true
  4692  	}
  4693  	// match: (Lsh64x64  x (Const64 [0]))
  4694  	// cond:
  4695  	// result: x
  4696  	for {
  4697  		x := v.Args[0]
  4698  		v_1 := v.Args[1]
  4699  		if v_1.Op != OpConst64 {
  4700  			break
  4701  		}
  4702  		if v_1.AuxInt != 0 {
  4703  			break
  4704  		}
  4705  		v.reset(OpCopy)
  4706  		v.Type = x.Type
  4707  		v.AddArg(x)
  4708  		return true
  4709  	}
  4710  	// match: (Lsh64x64  (Const64 [0]) _)
  4711  	// cond:
  4712  	// result: (Const64 [0])
  4713  	for {
  4714  		v_0 := v.Args[0]
  4715  		if v_0.Op != OpConst64 {
  4716  			break
  4717  		}
  4718  		if v_0.AuxInt != 0 {
  4719  			break
  4720  		}
  4721  		v.reset(OpConst64)
  4722  		v.AuxInt = 0
  4723  		return true
  4724  	}
  4725  	// match: (Lsh64x64  _ (Const64 [c]))
  4726  	// cond: uint64(c) >= 64
  4727  	// result: (Const64 [0])
  4728  	for {
  4729  		v_1 := v.Args[1]
  4730  		if v_1.Op != OpConst64 {
  4731  			break
  4732  		}
  4733  		c := v_1.AuxInt
  4734  		if !(uint64(c) >= 64) {
  4735  			break
  4736  		}
  4737  		v.reset(OpConst64)
  4738  		v.AuxInt = 0
  4739  		return true
  4740  	}
  4741  	// match: (Lsh64x64 <t> (Lsh64x64 x (Const64 [c])) (Const64 [d]))
  4742  	// cond: !uaddOvf(c,d)
  4743  	// result: (Lsh64x64 x (Const64 <t> [c+d]))
  4744  	for {
  4745  		t := v.Type
  4746  		v_0 := v.Args[0]
  4747  		if v_0.Op != OpLsh64x64 {
  4748  			break
  4749  		}
  4750  		x := v_0.Args[0]
  4751  		v_0_1 := v_0.Args[1]
  4752  		if v_0_1.Op != OpConst64 {
  4753  			break
  4754  		}
  4755  		c := v_0_1.AuxInt
  4756  		v_1 := v.Args[1]
  4757  		if v_1.Op != OpConst64 {
  4758  			break
  4759  		}
  4760  		d := v_1.AuxInt
  4761  		if !(!uaddOvf(c, d)) {
  4762  			break
  4763  		}
  4764  		v.reset(OpLsh64x64)
  4765  		v.AddArg(x)
  4766  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4767  		v0.AuxInt = c + d
  4768  		v.AddArg(v0)
  4769  		return true
  4770  	}
  4771  	// match: (Lsh64x64 (Rsh64Ux64 (Lsh64x64 x (Const64 [c1])) (Const64 [c2])) (Const64 [c3]))
  4772  	// cond: uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)
  4773  	// result: (Lsh64x64 x (Const64 <config.fe.TypeUInt64()> [c1-c2+c3]))
  4774  	for {
  4775  		v_0 := v.Args[0]
  4776  		if v_0.Op != OpRsh64Ux64 {
  4777  			break
  4778  		}
  4779  		v_0_0 := v_0.Args[0]
  4780  		if v_0_0.Op != OpLsh64x64 {
  4781  			break
  4782  		}
  4783  		x := v_0_0.Args[0]
  4784  		v_0_0_1 := v_0_0.Args[1]
  4785  		if v_0_0_1.Op != OpConst64 {
  4786  			break
  4787  		}
  4788  		c1 := v_0_0_1.AuxInt
  4789  		v_0_1 := v_0.Args[1]
  4790  		if v_0_1.Op != OpConst64 {
  4791  			break
  4792  		}
  4793  		c2 := v_0_1.AuxInt
  4794  		v_1 := v.Args[1]
  4795  		if v_1.Op != OpConst64 {
  4796  			break
  4797  		}
  4798  		c3 := v_1.AuxInt
  4799  		if !(uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)) {
  4800  			break
  4801  		}
  4802  		v.reset(OpLsh64x64)
  4803  		v.AddArg(x)
  4804  		v0 := b.NewValue0(v.Line, OpConst64, config.fe.TypeUInt64())
  4805  		v0.AuxInt = c1 - c2 + c3
  4806  		v.AddArg(v0)
  4807  		return true
  4808  	}
  4809  	return false
  4810  }
  4811  func rewriteValuegeneric_OpLsh64x8(v *Value, config *Config) bool {
  4812  	b := v.Block
  4813  	_ = b
  4814  	// match: (Lsh64x8   <t> x (Const8  [c]))
  4815  	// cond:
  4816  	// result: (Lsh64x64  x (Const64 <t> [int64(uint8(c))]))
  4817  	for {
  4818  		t := v.Type
  4819  		x := v.Args[0]
  4820  		v_1 := v.Args[1]
  4821  		if v_1.Op != OpConst8 {
  4822  			break
  4823  		}
  4824  		c := v_1.AuxInt
  4825  		v.reset(OpLsh64x64)
  4826  		v.AddArg(x)
  4827  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4828  		v0.AuxInt = int64(uint8(c))
  4829  		v.AddArg(v0)
  4830  		return true
  4831  	}
  4832  	// match: (Lsh64x8  (Const64 [0]) _)
  4833  	// cond:
  4834  	// result: (Const64 [0])
  4835  	for {
  4836  		v_0 := v.Args[0]
  4837  		if v_0.Op != OpConst64 {
  4838  			break
  4839  		}
  4840  		if v_0.AuxInt != 0 {
  4841  			break
  4842  		}
  4843  		v.reset(OpConst64)
  4844  		v.AuxInt = 0
  4845  		return true
  4846  	}
  4847  	return false
  4848  }
  4849  func rewriteValuegeneric_OpLsh8x16(v *Value, config *Config) bool {
  4850  	b := v.Block
  4851  	_ = b
  4852  	// match: (Lsh8x16  <t> x (Const16 [c]))
  4853  	// cond:
  4854  	// result: (Lsh8x64  x (Const64 <t> [int64(uint16(c))]))
  4855  	for {
  4856  		t := v.Type
  4857  		x := v.Args[0]
  4858  		v_1 := v.Args[1]
  4859  		if v_1.Op != OpConst16 {
  4860  			break
  4861  		}
  4862  		c := v_1.AuxInt
  4863  		v.reset(OpLsh8x64)
  4864  		v.AddArg(x)
  4865  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4866  		v0.AuxInt = int64(uint16(c))
  4867  		v.AddArg(v0)
  4868  		return true
  4869  	}
  4870  	// match: (Lsh8x16   (Const8 [0]) _)
  4871  	// cond:
  4872  	// result: (Const8  [0])
  4873  	for {
  4874  		v_0 := v.Args[0]
  4875  		if v_0.Op != OpConst8 {
  4876  			break
  4877  		}
  4878  		if v_0.AuxInt != 0 {
  4879  			break
  4880  		}
  4881  		v.reset(OpConst8)
  4882  		v.AuxInt = 0
  4883  		return true
  4884  	}
  4885  	return false
  4886  }
  4887  func rewriteValuegeneric_OpLsh8x32(v *Value, config *Config) bool {
  4888  	b := v.Block
  4889  	_ = b
  4890  	// match: (Lsh8x32  <t> x (Const32 [c]))
  4891  	// cond:
  4892  	// result: (Lsh8x64  x (Const64 <t> [int64(uint32(c))]))
  4893  	for {
  4894  		t := v.Type
  4895  		x := v.Args[0]
  4896  		v_1 := v.Args[1]
  4897  		if v_1.Op != OpConst32 {
  4898  			break
  4899  		}
  4900  		c := v_1.AuxInt
  4901  		v.reset(OpLsh8x64)
  4902  		v.AddArg(x)
  4903  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4904  		v0.AuxInt = int64(uint32(c))
  4905  		v.AddArg(v0)
  4906  		return true
  4907  	}
  4908  	// match: (Lsh8x32   (Const8 [0]) _)
  4909  	// cond:
  4910  	// result: (Const8  [0])
  4911  	for {
  4912  		v_0 := v.Args[0]
  4913  		if v_0.Op != OpConst8 {
  4914  			break
  4915  		}
  4916  		if v_0.AuxInt != 0 {
  4917  			break
  4918  		}
  4919  		v.reset(OpConst8)
  4920  		v.AuxInt = 0
  4921  		return true
  4922  	}
  4923  	return false
  4924  }
  4925  func rewriteValuegeneric_OpLsh8x64(v *Value, config *Config) bool {
  4926  	b := v.Block
  4927  	_ = b
  4928  	// match: (Lsh8x64   (Const8  [c]) (Const64 [d]))
  4929  	// cond:
  4930  	// result: (Const8  [int64(int8(c) << uint64(d))])
  4931  	for {
  4932  		v_0 := v.Args[0]
  4933  		if v_0.Op != OpConst8 {
  4934  			break
  4935  		}
  4936  		c := v_0.AuxInt
  4937  		v_1 := v.Args[1]
  4938  		if v_1.Op != OpConst64 {
  4939  			break
  4940  		}
  4941  		d := v_1.AuxInt
  4942  		v.reset(OpConst8)
  4943  		v.AuxInt = int64(int8(c) << uint64(d))
  4944  		return true
  4945  	}
  4946  	// match: (Lsh8x64   x (Const64 [0]))
  4947  	// cond:
  4948  	// result: x
  4949  	for {
  4950  		x := v.Args[0]
  4951  		v_1 := v.Args[1]
  4952  		if v_1.Op != OpConst64 {
  4953  			break
  4954  		}
  4955  		if v_1.AuxInt != 0 {
  4956  			break
  4957  		}
  4958  		v.reset(OpCopy)
  4959  		v.Type = x.Type
  4960  		v.AddArg(x)
  4961  		return true
  4962  	}
  4963  	// match: (Lsh8x64   (Const8 [0]) _)
  4964  	// cond:
  4965  	// result: (Const8  [0])
  4966  	for {
  4967  		v_0 := v.Args[0]
  4968  		if v_0.Op != OpConst8 {
  4969  			break
  4970  		}
  4971  		if v_0.AuxInt != 0 {
  4972  			break
  4973  		}
  4974  		v.reset(OpConst8)
  4975  		v.AuxInt = 0
  4976  		return true
  4977  	}
  4978  	// match: (Lsh8x64   _ (Const64 [c]))
  4979  	// cond: uint64(c) >= 8
  4980  	// result: (Const8  [0])
  4981  	for {
  4982  		v_1 := v.Args[1]
  4983  		if v_1.Op != OpConst64 {
  4984  			break
  4985  		}
  4986  		c := v_1.AuxInt
  4987  		if !(uint64(c) >= 8) {
  4988  			break
  4989  		}
  4990  		v.reset(OpConst8)
  4991  		v.AuxInt = 0
  4992  		return true
  4993  	}
  4994  	// match: (Lsh8x64  <t> (Lsh8x64  x (Const64 [c])) (Const64 [d]))
  4995  	// cond: !uaddOvf(c,d)
  4996  	// result: (Lsh8x64  x (Const64 <t> [c+d]))
  4997  	for {
  4998  		t := v.Type
  4999  		v_0 := v.Args[0]
  5000  		if v_0.Op != OpLsh8x64 {
  5001  			break
  5002  		}
  5003  		x := v_0.Args[0]
  5004  		v_0_1 := v_0.Args[1]
  5005  		if v_0_1.Op != OpConst64 {
  5006  			break
  5007  		}
  5008  		c := v_0_1.AuxInt
  5009  		v_1 := v.Args[1]
  5010  		if v_1.Op != OpConst64 {
  5011  			break
  5012  		}
  5013  		d := v_1.AuxInt
  5014  		if !(!uaddOvf(c, d)) {
  5015  			break
  5016  		}
  5017  		v.reset(OpLsh8x64)
  5018  		v.AddArg(x)
  5019  		v0 := b.NewValue0(v.Line, OpConst64, t)
  5020  		v0.AuxInt = c + d
  5021  		v.AddArg(v0)
  5022  		return true
  5023  	}
  5024  	// match: (Lsh8x64 (Rsh8Ux64 (Lsh8x64 x (Const64 [c1])) (Const64 [c2])) (Const64 [c3]))
  5025  	// cond: uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)
  5026  	// result: (Lsh8x64 x (Const64 <config.fe.TypeUInt64()> [c1-c2+c3]))
  5027  	for {
  5028  		v_0 := v.Args[0]
  5029  		if v_0.Op != OpRsh8Ux64 {
  5030  			break
  5031  		}
  5032  		v_0_0 := v_0.Args[0]
  5033  		if v_0_0.Op != OpLsh8x64 {
  5034  			break
  5035  		}
  5036  		x := v_0_0.Args[0]
  5037  		v_0_0_1 := v_0_0.Args[1]
  5038  		if v_0_0_1.Op != OpConst64 {
  5039  			break
  5040  		}
  5041  		c1 := v_0_0_1.AuxInt
  5042  		v_0_1 := v_0.Args[1]
  5043  		if v_0_1.Op != OpConst64 {
  5044  			break
  5045  		}
  5046  		c2 := v_0_1.AuxInt
  5047  		v_1 := v.Args[1]
  5048  		if v_1.Op != OpConst64 {
  5049  			break
  5050  		}
  5051  		c3 := v_1.AuxInt
  5052  		if !(uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)) {
  5053  			break
  5054  		}
  5055  		v.reset(OpLsh8x64)
  5056  		v.AddArg(x)
  5057  		v0 := b.NewValue0(v.Line, OpConst64, config.fe.TypeUInt64())
  5058  		v0.AuxInt = c1 - c2 + c3
  5059  		v.AddArg(v0)
  5060  		return true
  5061  	}
  5062  	return false
  5063  }
  5064  func rewriteValuegeneric_OpLsh8x8(v *Value, config *Config) bool {
  5065  	b := v.Block
  5066  	_ = b
  5067  	// match: (Lsh8x8   <t> x (Const8  [c]))
  5068  	// cond:
  5069  	// result: (Lsh8x64  x (Const64 <t> [int64(uint8(c))]))
  5070  	for {
  5071  		t := v.Type
  5072  		x := v.Args[0]
  5073  		v_1 := v.Args[1]
  5074  		if v_1.Op != OpConst8 {
  5075  			break
  5076  		}
  5077  		c := v_1.AuxInt
  5078  		v.reset(OpLsh8x64)
  5079  		v.AddArg(x)
  5080  		v0 := b.NewValue0(v.Line, OpConst64, t)
  5081  		v0.AuxInt = int64(uint8(c))
  5082  		v.AddArg(v0)
  5083  		return true
  5084  	}
  5085  	// match: (Lsh8x8   (Const8 [0]) _)
  5086  	// cond:
  5087  	// result: (Const8  [0])
  5088  	for {
  5089  		v_0 := v.Args[0]
  5090  		if v_0.Op != OpConst8 {
  5091  			break
  5092  		}
  5093  		if v_0.AuxInt != 0 {
  5094  			break
  5095  		}
  5096  		v.reset(OpConst8)
  5097  		v.AuxInt = 0
  5098  		return true
  5099  	}
  5100  	return false
  5101  }
  5102  func rewriteValuegeneric_OpMod16(v *Value, config *Config) bool {
  5103  	b := v.Block
  5104  	_ = b
  5105  	// match: (Mod16 (Const16 [c]) (Const16 [d]))
  5106  	// cond: d != 0
  5107  	// result: (Const16 [int64(int16(c % d))])
  5108  	for {
  5109  		v_0 := v.Args[0]
  5110  		if v_0.Op != OpConst16 {
  5111  			break
  5112  		}
  5113  		c := v_0.AuxInt
  5114  		v_1 := v.Args[1]
  5115  		if v_1.Op != OpConst16 {
  5116  			break
  5117  		}
  5118  		d := v_1.AuxInt
  5119  		if !(d != 0) {
  5120  			break
  5121  		}
  5122  		v.reset(OpConst16)
  5123  		v.AuxInt = int64(int16(c % d))
  5124  		return true
  5125  	}
  5126  	return false
  5127  }
  5128  func rewriteValuegeneric_OpMod16u(v *Value, config *Config) bool {
  5129  	b := v.Block
  5130  	_ = b
  5131  	// match: (Mod16u (Const16 [c]) (Const16 [d]))
  5132  	// cond: d != 0
  5133  	// result: (Const16 [int64(uint16(c) % uint16(d))])
  5134  	for {
  5135  		v_0 := v.Args[0]
  5136  		if v_0.Op != OpConst16 {
  5137  			break
  5138  		}
  5139  		c := v_0.AuxInt
  5140  		v_1 := v.Args[1]
  5141  		if v_1.Op != OpConst16 {
  5142  			break
  5143  		}
  5144  		d := v_1.AuxInt
  5145  		if !(d != 0) {
  5146  			break
  5147  		}
  5148  		v.reset(OpConst16)
  5149  		v.AuxInt = int64(uint16(c) % uint16(d))
  5150  		return true
  5151  	}
  5152  	return false
  5153  }
  5154  func rewriteValuegeneric_OpMod32(v *Value, config *Config) bool {
  5155  	b := v.Block
  5156  	_ = b
  5157  	// match: (Mod32 (Const32 [c]) (Const32 [d]))
  5158  	// cond: d != 0
  5159  	// result: (Const32 [int64(int32(c % d))])
  5160  	for {
  5161  		v_0 := v.Args[0]
  5162  		if v_0.Op != OpConst32 {
  5163  			break
  5164  		}
  5165  		c := v_0.AuxInt
  5166  		v_1 := v.Args[1]
  5167  		if v_1.Op != OpConst32 {
  5168  			break
  5169  		}
  5170  		d := v_1.AuxInt
  5171  		if !(d != 0) {
  5172  			break
  5173  		}
  5174  		v.reset(OpConst32)
  5175  		v.AuxInt = int64(int32(c % d))
  5176  		return true
  5177  	}
  5178  	return false
  5179  }
  5180  func rewriteValuegeneric_OpMod32u(v *Value, config *Config) bool {
  5181  	b := v.Block
  5182  	_ = b
  5183  	// match: (Mod32u (Const32 [c]) (Const32 [d]))
  5184  	// cond: d != 0
  5185  	// result: (Const32 [int64(uint32(c) % uint32(d))])
  5186  	for {
  5187  		v_0 := v.Args[0]
  5188  		if v_0.Op != OpConst32 {
  5189  			break
  5190  		}
  5191  		c := v_0.AuxInt
  5192  		v_1 := v.Args[1]
  5193  		if v_1.Op != OpConst32 {
  5194  			break
  5195  		}
  5196  		d := v_1.AuxInt
  5197  		if !(d != 0) {
  5198  			break
  5199  		}
  5200  		v.reset(OpConst32)
  5201  		v.AuxInt = int64(uint32(c) % uint32(d))
  5202  		return true
  5203  	}
  5204  	return false
  5205  }
  5206  func rewriteValuegeneric_OpMod64(v *Value, config *Config) bool {
  5207  	b := v.Block
  5208  	_ = b
  5209  	// match: (Mod64 (Const64 [c]) (Const64 [d]))
  5210  	// cond: d != 0
  5211  	// result: (Const64 [c % d])
  5212  	for {
  5213  		v_0 := v.Args[0]
  5214  		if v_0.Op != OpConst64 {
  5215  			break
  5216  		}
  5217  		c := v_0.AuxInt
  5218  		v_1 := v.Args[1]
  5219  		if v_1.Op != OpConst64 {
  5220  			break
  5221  		}
  5222  		d := v_1.AuxInt
  5223  		if !(d != 0) {
  5224  			break
  5225  		}
  5226  		v.reset(OpConst64)
  5227  		v.AuxInt = c % d
  5228  		return true
  5229  	}
  5230  	// match: (Mod64  <t> x (Const64 [c]))
  5231  	// cond: x.Op != OpConst64 && smagic64ok(c)
  5232  	// result: (Sub64 x (Mul64 <t> (Div64  <t> x (Const64 <t> [c])) (Const64 <t> [c])))
  5233  	for {
  5234  		t := v.Type
  5235  		x := v.Args[0]
  5236  		v_1 := v.Args[1]
  5237  		if v_1.Op != OpConst64 {
  5238  			break
  5239  		}
  5240  		c := v_1.AuxInt
  5241  		if !(x.Op != OpConst64 && smagic64ok(c)) {
  5242  			break
  5243  		}
  5244  		v.reset(OpSub64)
  5245  		v.AddArg(x)
  5246  		v0 := b.NewValue0(v.Line, OpMul64, t)
  5247  		v1 := b.NewValue0(v.Line, OpDiv64, t)
  5248  		v1.AddArg(x)
  5249  		v2 := b.NewValue0(v.Line, OpConst64, t)
  5250  		v2.AuxInt = c
  5251  		v1.AddArg(v2)
  5252  		v0.AddArg(v1)
  5253  		v3 := b.NewValue0(v.Line, OpConst64, t)
  5254  		v3.AuxInt = c
  5255  		v0.AddArg(v3)
  5256  		v.AddArg(v0)
  5257  		return true
  5258  	}
  5259  	return false
  5260  }
  5261  func rewriteValuegeneric_OpMod64u(v *Value, config *Config) bool {
  5262  	b := v.Block
  5263  	_ = b
  5264  	// match: (Mod64u (Const64 [c]) (Const64 [d]))
  5265  	// cond: d != 0
  5266  	// result: (Const64 [int64(uint64(c) % uint64(d))])
  5267  	for {
  5268  		v_0 := v.Args[0]
  5269  		if v_0.Op != OpConst64 {
  5270  			break
  5271  		}
  5272  		c := v_0.AuxInt
  5273  		v_1 := v.Args[1]
  5274  		if v_1.Op != OpConst64 {
  5275  			break
  5276  		}
  5277  		d := v_1.AuxInt
  5278  		if !(d != 0) {
  5279  			break
  5280  		}
  5281  		v.reset(OpConst64)
  5282  		v.AuxInt = int64(uint64(c) % uint64(d))
  5283  		return true
  5284  	}
  5285  	// match: (Mod64u <t> n (Const64 [c]))
  5286  	// cond: isPowerOfTwo(c)
  5287  	// result: (And64 n (Const64 <t> [c-1]))
  5288  	for {
  5289  		t := v.Type
  5290  		n := v.Args[0]
  5291  		v_1 := v.Args[1]
  5292  		if v_1.Op != OpConst64 {
  5293  			break
  5294  		}
  5295  		c := v_1.AuxInt
  5296  		if !(isPowerOfTwo(c)) {
  5297  			break
  5298  		}
  5299  		v.reset(OpAnd64)
  5300  		v.AddArg(n)
  5301  		v0 := b.NewValue0(v.Line, OpConst64, t)
  5302  		v0.AuxInt = c - 1
  5303  		v.AddArg(v0)
  5304  		return true
  5305  	}
  5306  	// match: (Mod64u <t> x (Const64 [c]))
  5307  	// cond: x.Op != OpConst64 && umagic64ok(c)
  5308  	// result: (Sub64 x (Mul64 <t> (Div64u <t> x (Const64 <t> [c])) (Const64 <t> [c])))
  5309  	for {
  5310  		t := v.Type
  5311  		x := v.Args[0]
  5312  		v_1 := v.Args[1]
  5313  		if v_1.Op != OpConst64 {
  5314  			break
  5315  		}
  5316  		c := v_1.AuxInt
  5317  		if !(x.Op != OpConst64 && umagic64ok(c)) {
  5318  			break
  5319  		}
  5320  		v.reset(OpSub64)
  5321  		v.AddArg(x)
  5322  		v0 := b.NewValue0(v.Line, OpMul64, t)
  5323  		v1 := b.NewValue0(v.Line, OpDiv64u, t)
  5324  		v1.AddArg(x)
  5325  		v2 := b.NewValue0(v.Line, OpConst64, t)
  5326  		v2.AuxInt = c
  5327  		v1.AddArg(v2)
  5328  		v0.AddArg(v1)
  5329  		v3 := b.NewValue0(v.Line, OpConst64, t)
  5330  		v3.AuxInt = c
  5331  		v0.AddArg(v3)
  5332  		v.AddArg(v0)
  5333  		return true
  5334  	}
  5335  	return false
  5336  }
  5337  func rewriteValuegeneric_OpMod8(v *Value, config *Config) bool {
  5338  	b := v.Block
  5339  	_ = b
  5340  	// match: (Mod8  (Const8  [c]) (Const8  [d]))
  5341  	// cond: d != 0
  5342  	// result: (Const8  [int64(int8(c % d))])
  5343  	for {
  5344  		v_0 := v.Args[0]
  5345  		if v_0.Op != OpConst8 {
  5346  			break
  5347  		}
  5348  		c := v_0.AuxInt
  5349  		v_1 := v.Args[1]
  5350  		if v_1.Op != OpConst8 {
  5351  			break
  5352  		}
  5353  		d := v_1.AuxInt
  5354  		if !(d != 0) {
  5355  			break
  5356  		}
  5357  		v.reset(OpConst8)
  5358  		v.AuxInt = int64(int8(c % d))
  5359  		return true
  5360  	}
  5361  	return false
  5362  }
  5363  func rewriteValuegeneric_OpMod8u(v *Value, config *Config) bool {
  5364  	b := v.Block
  5365  	_ = b
  5366  	// match: (Mod8u  (Const8 [c])  (Const8  [d]))
  5367  	// cond: d != 0
  5368  	// result: (Const8  [int64(uint8(c) % uint8(d))])
  5369  	for {
  5370  		v_0 := v.Args[0]
  5371  		if v_0.Op != OpConst8 {
  5372  			break
  5373  		}
  5374  		c := v_0.AuxInt
  5375  		v_1 := v.Args[1]
  5376  		if v_1.Op != OpConst8 {
  5377  			break
  5378  		}
  5379  		d := v_1.AuxInt
  5380  		if !(d != 0) {
  5381  			break
  5382  		}
  5383  		v.reset(OpConst8)
  5384  		v.AuxInt = int64(uint8(c) % uint8(d))
  5385  		return true
  5386  	}
  5387  	return false
  5388  }
  5389  func rewriteValuegeneric_OpMul16(v *Value, config *Config) bool {
  5390  	b := v.Block
  5391  	_ = b
  5392  	// match: (Mul16  (Const16 [c])  (Const16 [d]))
  5393  	// cond:
  5394  	// result: (Const16 [int64(int16(c*d))])
  5395  	for {
  5396  		v_0 := v.Args[0]
  5397  		if v_0.Op != OpConst16 {
  5398  			break
  5399  		}
  5400  		c := v_0.AuxInt
  5401  		v_1 := v.Args[1]
  5402  		if v_1.Op != OpConst16 {
  5403  			break
  5404  		}
  5405  		d := v_1.AuxInt
  5406  		v.reset(OpConst16)
  5407  		v.AuxInt = int64(int16(c * d))
  5408  		return true
  5409  	}
  5410  	// match: (Mul16 (Const16 [-1]) x)
  5411  	// cond:
  5412  	// result: (Neg16 x)
  5413  	for {
  5414  		v_0 := v.Args[0]
  5415  		if v_0.Op != OpConst16 {
  5416  			break
  5417  		}
  5418  		if v_0.AuxInt != -1 {
  5419  			break
  5420  		}
  5421  		x := v.Args[1]
  5422  		v.reset(OpNeg16)
  5423  		v.AddArg(x)
  5424  		return true
  5425  	}
  5426  	// match: (Mul16 x (Const16 <t> [c]))
  5427  	// cond: x.Op != OpConst16
  5428  	// result: (Mul16 (Const16 <t> [c]) x)
  5429  	for {
  5430  		x := v.Args[0]
  5431  		v_1 := v.Args[1]
  5432  		if v_1.Op != OpConst16 {
  5433  			break
  5434  		}
  5435  		t := v_1.Type
  5436  		c := v_1.AuxInt
  5437  		if !(x.Op != OpConst16) {
  5438  			break
  5439  		}
  5440  		v.reset(OpMul16)
  5441  		v0 := b.NewValue0(v.Line, OpConst16, t)
  5442  		v0.AuxInt = c
  5443  		v.AddArg(v0)
  5444  		v.AddArg(x)
  5445  		return true
  5446  	}
  5447  	// match: (Mul16 (Const16 [0]) _)
  5448  	// cond:
  5449  	// result: (Const16 [0])
  5450  	for {
  5451  		v_0 := v.Args[0]
  5452  		if v_0.Op != OpConst16 {
  5453  			break
  5454  		}
  5455  		if v_0.AuxInt != 0 {
  5456  			break
  5457  		}
  5458  		v.reset(OpConst16)
  5459  		v.AuxInt = 0
  5460  		return true
  5461  	}
  5462  	return false
  5463  }
  5464  func rewriteValuegeneric_OpMul32(v *Value, config *Config) bool {
  5465  	b := v.Block
  5466  	_ = b
  5467  	// match: (Mul32  (Const32 [c])  (Const32 [d]))
  5468  	// cond:
  5469  	// result: (Const32 [int64(int32(c*d))])
  5470  	for {
  5471  		v_0 := v.Args[0]
  5472  		if v_0.Op != OpConst32 {
  5473  			break
  5474  		}
  5475  		c := v_0.AuxInt
  5476  		v_1 := v.Args[1]
  5477  		if v_1.Op != OpConst32 {
  5478  			break
  5479  		}
  5480  		d := v_1.AuxInt
  5481  		v.reset(OpConst32)
  5482  		v.AuxInt = int64(int32(c * d))
  5483  		return true
  5484  	}
  5485  	// match: (Mul32 (Const32 [-1]) x)
  5486  	// cond:
  5487  	// result: (Neg32 x)
  5488  	for {
  5489  		v_0 := v.Args[0]
  5490  		if v_0.Op != OpConst32 {
  5491  			break
  5492  		}
  5493  		if v_0.AuxInt != -1 {
  5494  			break
  5495  		}
  5496  		x := v.Args[1]
  5497  		v.reset(OpNeg32)
  5498  		v.AddArg(x)
  5499  		return true
  5500  	}
  5501  	// match: (Mul32 x (Const32 <t> [c]))
  5502  	// cond: x.Op != OpConst32
  5503  	// result: (Mul32 (Const32 <t> [c]) x)
  5504  	for {
  5505  		x := v.Args[0]
  5506  		v_1 := v.Args[1]
  5507  		if v_1.Op != OpConst32 {
  5508  			break
  5509  		}
  5510  		t := v_1.Type
  5511  		c := v_1.AuxInt
  5512  		if !(x.Op != OpConst32) {
  5513  			break
  5514  		}
  5515  		v.reset(OpMul32)
  5516  		v0 := b.NewValue0(v.Line, OpConst32, t)
  5517  		v0.AuxInt = c
  5518  		v.AddArg(v0)
  5519  		v.AddArg(x)
  5520  		return true
  5521  	}
  5522  	// match: (Mul32 (Const32 <t> [c]) (Add32 <t> (Const32 <t> [d]) x))
  5523  	// cond:
  5524  	// result: (Add32 (Const32 <t> [int64(int32(c*d))]) (Mul32 <t> (Const32 <t> [c]) x))
  5525  	for {
  5526  		v_0 := v.Args[0]
  5527  		if v_0.Op != OpConst32 {
  5528  			break
  5529  		}
  5530  		t := v_0.Type
  5531  		c := v_0.AuxInt
  5532  		v_1 := v.Args[1]
  5533  		if v_1.Op != OpAdd32 {
  5534  			break
  5535  		}
  5536  		if v_1.Type != t {
  5537  			break
  5538  		}
  5539  		v_1_0 := v_1.Args[0]
  5540  		if v_1_0.Op != OpConst32 {
  5541  			break
  5542  		}
  5543  		if v_1_0.Type != t {
  5544  			break
  5545  		}
  5546  		d := v_1_0.AuxInt
  5547  		x := v_1.Args[1]
  5548  		v.reset(OpAdd32)
  5549  		v0 := b.NewValue0(v.Line, OpConst32, t)
  5550  		v0.AuxInt = int64(int32(c * d))
  5551  		v.AddArg(v0)
  5552  		v1 := b.NewValue0(v.Line, OpMul32, t)
  5553  		v2 := b.NewValue0(v.Line, OpConst32, t)
  5554  		v2.AuxInt = c
  5555  		v1.AddArg(v2)
  5556  		v1.AddArg(x)
  5557  		v.AddArg(v1)
  5558  		return true
  5559  	}
  5560  	// match: (Mul32 (Const32 [0]) _)
  5561  	// cond:
  5562  	// result: (Const32 [0])
  5563  	for {
  5564  		v_0 := v.Args[0]
  5565  		if v_0.Op != OpConst32 {
  5566  			break
  5567  		}
  5568  		if v_0.AuxInt != 0 {
  5569  			break
  5570  		}
  5571  		v.reset(OpConst32)
  5572  		v.AuxInt = 0
  5573  		return true
  5574  	}
  5575  	return false
  5576  }
  5577  func rewriteValuegeneric_OpMul32F(v *Value, config *Config) bool {
  5578  	b := v.Block
  5579  	_ = b
  5580  	// match: (Mul32F (Const32F [c]) (Const32F [d]))
  5581  	// cond:
  5582  	// result: (Const32F [f2i(float64(i2f32(c) * i2f32(d)))])
  5583  	for {
  5584  		v_0 := v.Args[0]
  5585  		if v_0.Op != OpConst32F {
  5586  			break
  5587  		}
  5588  		c := v_0.AuxInt
  5589  		v_1 := v.Args[1]
  5590  		if v_1.Op != OpConst32F {
  5591  			break
  5592  		}
  5593  		d := v_1.AuxInt
  5594  		v.reset(OpConst32F)
  5595  		v.AuxInt = f2i(float64(i2f32(c) * i2f32(d)))
  5596  		return true
  5597  	}
  5598  	// match: (Mul32F x (Const32F [f2i(1)]))
  5599  	// cond:
  5600  	// result: x
  5601  	for {
  5602  		x := v.Args[0]
  5603  		v_1 := v.Args[1]
  5604  		if v_1.Op != OpConst32F {
  5605  			break
  5606  		}
  5607  		if v_1.AuxInt != f2i(1) {
  5608  			break
  5609  		}
  5610  		v.reset(OpCopy)
  5611  		v.Type = x.Type
  5612  		v.AddArg(x)
  5613  		return true
  5614  	}
  5615  	// match: (Mul32F (Const32F [f2i(1)]) x)
  5616  	// cond:
  5617  	// result: x
  5618  	for {
  5619  		v_0 := v.Args[0]
  5620  		if v_0.Op != OpConst32F {
  5621  			break
  5622  		}
  5623  		if v_0.AuxInt != f2i(1) {
  5624  			break
  5625  		}
  5626  		x := v.Args[1]
  5627  		v.reset(OpCopy)
  5628  		v.Type = x.Type
  5629  		v.AddArg(x)
  5630  		return true
  5631  	}
  5632  	// match: (Mul32F x (Const32F [f2i(-1)]))
  5633  	// cond:
  5634  	// result: (Neg32F x)
  5635  	for {
  5636  		x := v.Args[0]
  5637  		v_1 := v.Args[1]
  5638  		if v_1.Op != OpConst32F {
  5639  			break
  5640  		}
  5641  		if v_1.AuxInt != f2i(-1) {
  5642  			break
  5643  		}
  5644  		v.reset(OpNeg32F)
  5645  		v.AddArg(x)
  5646  		return true
  5647  	}
  5648  	// match: (Mul32F (Const32F [f2i(-1)]) x)
  5649  	// cond:
  5650  	// result: (Neg32F x)
  5651  	for {
  5652  		v_0 := v.Args[0]
  5653  		if v_0.Op != OpConst32F {
  5654  			break
  5655  		}
  5656  		if v_0.AuxInt != f2i(-1) {
  5657  			break
  5658  		}
  5659  		x := v.Args[1]
  5660  		v.reset(OpNeg32F)
  5661  		v.AddArg(x)
  5662  		return true
  5663  	}
  5664  	return false
  5665  }
  5666  func rewriteValuegeneric_OpMul64(v *Value, config *Config) bool {
  5667  	b := v.Block
  5668  	_ = b
  5669  	// match: (Mul64  (Const64 [c])  (Const64 [d]))
  5670  	// cond:
  5671  	// result: (Const64 [c*d])
  5672  	for {
  5673  		v_0 := v.Args[0]
  5674  		if v_0.Op != OpConst64 {
  5675  			break
  5676  		}
  5677  		c := v_0.AuxInt
  5678  		v_1 := v.Args[1]
  5679  		if v_1.Op != OpConst64 {
  5680  			break
  5681  		}
  5682  		d := v_1.AuxInt
  5683  		v.reset(OpConst64)
  5684  		v.AuxInt = c * d
  5685  		return true
  5686  	}
  5687  	// match: (Mul64 (Const64 [-1]) x)
  5688  	// cond:
  5689  	// result: (Neg64 x)
  5690  	for {
  5691  		v_0 := v.Args[0]
  5692  		if v_0.Op != OpConst64 {
  5693  			break
  5694  		}
  5695  		if v_0.AuxInt != -1 {
  5696  			break
  5697  		}
  5698  		x := v.Args[1]
  5699  		v.reset(OpNeg64)
  5700  		v.AddArg(x)
  5701  		return true
  5702  	}
  5703  	// match: (Mul64 x (Const64 <t> [c]))
  5704  	// cond: x.Op != OpConst64
  5705  	// result: (Mul64 (Const64 <t> [c]) x)
  5706  	for {
  5707  		x := v.Args[0]
  5708  		v_1 := v.Args[1]
  5709  		if v_1.Op != OpConst64 {
  5710  			break
  5711  		}
  5712  		t := v_1.Type
  5713  		c := v_1.AuxInt
  5714  		if !(x.Op != OpConst64) {
  5715  			break
  5716  		}
  5717  		v.reset(OpMul64)
  5718  		v0 := b.NewValue0(v.Line, OpConst64, t)
  5719  		v0.AuxInt = c
  5720  		v.AddArg(v0)
  5721  		v.AddArg(x)
  5722  		return true
  5723  	}
  5724  	// match: (Mul64 (Const64 <t> [c]) (Add64 <t> (Const64 <t> [d]) x))
  5725  	// cond:
  5726  	// result: (Add64 (Const64 <t> [c*d]) (Mul64 <t> (Const64 <t> [c]) x))
  5727  	for {
  5728  		v_0 := v.Args[0]
  5729  		if v_0.Op != OpConst64 {
  5730  			break
  5731  		}
  5732  		t := v_0.Type
  5733  		c := v_0.AuxInt
  5734  		v_1 := v.Args[1]
  5735  		if v_1.Op != OpAdd64 {
  5736  			break
  5737  		}
  5738  		if v_1.Type != t {
  5739  			break
  5740  		}
  5741  		v_1_0 := v_1.Args[0]
  5742  		if v_1_0.Op != OpConst64 {
  5743  			break
  5744  		}
  5745  		if v_1_0.Type != t {
  5746  			break
  5747  		}
  5748  		d := v_1_0.AuxInt
  5749  		x := v_1.Args[1]
  5750  		v.reset(OpAdd64)
  5751  		v0 := b.NewValue0(v.Line, OpConst64, t)
  5752  		v0.AuxInt = c * d
  5753  		v.AddArg(v0)
  5754  		v1 := b.NewValue0(v.Line, OpMul64, t)
  5755  		v2 := b.NewValue0(v.Line, OpConst64, t)
  5756  		v2.AuxInt = c
  5757  		v1.AddArg(v2)
  5758  		v1.AddArg(x)
  5759  		v.AddArg(v1)
  5760  		return true
  5761  	}
  5762  	// match: (Mul64 (Const64 [0]) _)
  5763  	// cond:
  5764  	// result: (Const64 [0])
  5765  	for {
  5766  		v_0 := v.Args[0]
  5767  		if v_0.Op != OpConst64 {
  5768  			break
  5769  		}
  5770  		if v_0.AuxInt != 0 {
  5771  			break
  5772  		}
  5773  		v.reset(OpConst64)
  5774  		v.AuxInt = 0
  5775  		return true
  5776  	}
  5777  	return false
  5778  }
  5779  func rewriteValuegeneric_OpMul64F(v *Value, config *Config) bool {
  5780  	b := v.Block
  5781  	_ = b
  5782  	// match: (Mul64F (Const64F [c]) (Const64F [d]))
  5783  	// cond:
  5784  	// result: (Const64F [f2i(i2f(c) * i2f(d))])
  5785  	for {
  5786  		v_0 := v.Args[0]
  5787  		if v_0.Op != OpConst64F {
  5788  			break
  5789  		}
  5790  		c := v_0.AuxInt
  5791  		v_1 := v.Args[1]
  5792  		if v_1.Op != OpConst64F {
  5793  			break
  5794  		}
  5795  		d := v_1.AuxInt
  5796  		v.reset(OpConst64F)
  5797  		v.AuxInt = f2i(i2f(c) * i2f(d))
  5798  		return true
  5799  	}
  5800  	// match: (Mul64F x (Const64F [f2i(1)]))
  5801  	// cond:
  5802  	// result: x
  5803  	for {
  5804  		x := v.Args[0]
  5805  		v_1 := v.Args[1]
  5806  		if v_1.Op != OpConst64F {
  5807  			break
  5808  		}
  5809  		if v_1.AuxInt != f2i(1) {
  5810  			break
  5811  		}
  5812  		v.reset(OpCopy)
  5813  		v.Type = x.Type
  5814  		v.AddArg(x)
  5815  		return true
  5816  	}
  5817  	// match: (Mul64F (Const64F [f2i(1)]) x)
  5818  	// cond:
  5819  	// result: x
  5820  	for {
  5821  		v_0 := v.Args[0]
  5822  		if v_0.Op != OpConst64F {
  5823  			break
  5824  		}
  5825  		if v_0.AuxInt != f2i(1) {
  5826  			break
  5827  		}
  5828  		x := v.Args[1]
  5829  		v.reset(OpCopy)
  5830  		v.Type = x.Type
  5831  		v.AddArg(x)
  5832  		return true
  5833  	}
  5834  	// match: (Mul64F x (Const64F [f2i(-1)]))
  5835  	// cond:
  5836  	// result: (Neg64F x)
  5837  	for {
  5838  		x := v.Args[0]
  5839  		v_1 := v.Args[1]
  5840  		if v_1.Op != OpConst64F {
  5841  			break
  5842  		}
  5843  		if v_1.AuxInt != f2i(-1) {
  5844  			break
  5845  		}
  5846  		v.reset(OpNeg64F)
  5847  		v.AddArg(x)
  5848  		return true
  5849  	}
  5850  	// match: (Mul64F (Const64F [f2i(-1)]) x)
  5851  	// cond:
  5852  	// result: (Neg64F x)
  5853  	for {
  5854  		v_0 := v.Args[0]
  5855  		if v_0.Op != OpConst64F {
  5856  			break
  5857  		}
  5858  		if v_0.AuxInt != f2i(-1) {
  5859  			break
  5860  		}
  5861  		x := v.Args[1]
  5862  		v.reset(OpNeg64F)
  5863  		v.AddArg(x)
  5864  		return true
  5865  	}
  5866  	return false
  5867  }
  5868  func rewriteValuegeneric_OpMul8(v *Value, config *Config) bool {
  5869  	b := v.Block
  5870  	_ = b
  5871  	// match: (Mul8   (Const8 [c])   (Const8 [d]))
  5872  	// cond:
  5873  	// result: (Const8  [int64(int8(c*d))])
  5874  	for {
  5875  		v_0 := v.Args[0]
  5876  		if v_0.Op != OpConst8 {
  5877  			break
  5878  		}
  5879  		c := v_0.AuxInt
  5880  		v_1 := v.Args[1]
  5881  		if v_1.Op != OpConst8 {
  5882  			break
  5883  		}
  5884  		d := v_1.AuxInt
  5885  		v.reset(OpConst8)
  5886  		v.AuxInt = int64(int8(c * d))
  5887  		return true
  5888  	}
  5889  	// match: (Mul8  (Const8  [-1]) x)
  5890  	// cond:
  5891  	// result: (Neg8  x)
  5892  	for {
  5893  		v_0 := v.Args[0]
  5894  		if v_0.Op != OpConst8 {
  5895  			break
  5896  		}
  5897  		if v_0.AuxInt != -1 {
  5898  			break
  5899  		}
  5900  		x := v.Args[1]
  5901  		v.reset(OpNeg8)
  5902  		v.AddArg(x)
  5903  		return true
  5904  	}
  5905  	// match: (Mul8  x (Const8  <t> [c]))
  5906  	// cond: x.Op != OpConst8
  5907  	// result: (Mul8  (Const8  <t> [c]) x)
  5908  	for {
  5909  		x := v.Args[0]
  5910  		v_1 := v.Args[1]
  5911  		if v_1.Op != OpConst8 {
  5912  			break
  5913  		}
  5914  		t := v_1.Type
  5915  		c := v_1.AuxInt
  5916  		if !(x.Op != OpConst8) {
  5917  			break
  5918  		}
  5919  		v.reset(OpMul8)
  5920  		v0 := b.NewValue0(v.Line, OpConst8, t)
  5921  		v0.AuxInt = c
  5922  		v.AddArg(v0)
  5923  		v.AddArg(x)
  5924  		return true
  5925  	}
  5926  	// match: (Mul8  (Const8  [0]) _)
  5927  	// cond:
  5928  	// result: (Const8  [0])
  5929  	for {
  5930  		v_0 := v.Args[0]
  5931  		if v_0.Op != OpConst8 {
  5932  			break
  5933  		}
  5934  		if v_0.AuxInt != 0 {
  5935  			break
  5936  		}
  5937  		v.reset(OpConst8)
  5938  		v.AuxInt = 0
  5939  		return true
  5940  	}
  5941  	return false
  5942  }
  5943  func rewriteValuegeneric_OpNeg16(v *Value, config *Config) bool {
  5944  	b := v.Block
  5945  	_ = b
  5946  	// match: (Neg16 (Sub16 x y))
  5947  	// cond:
  5948  	// result: (Sub16 y x)
  5949  	for {
  5950  		v_0 := v.Args[0]
  5951  		if v_0.Op != OpSub16 {
  5952  			break
  5953  		}
  5954  		x := v_0.Args[0]
  5955  		y := v_0.Args[1]
  5956  		v.reset(OpSub16)
  5957  		v.AddArg(y)
  5958  		v.AddArg(x)
  5959  		return true
  5960  	}
  5961  	return false
  5962  }
  5963  func rewriteValuegeneric_OpNeg32(v *Value, config *Config) bool {
  5964  	b := v.Block
  5965  	_ = b
  5966  	// match: (Neg32 (Sub32 x y))
  5967  	// cond:
  5968  	// result: (Sub32 y x)
  5969  	for {
  5970  		v_0 := v.Args[0]
  5971  		if v_0.Op != OpSub32 {
  5972  			break
  5973  		}
  5974  		x := v_0.Args[0]
  5975  		y := v_0.Args[1]
  5976  		v.reset(OpSub32)
  5977  		v.AddArg(y)
  5978  		v.AddArg(x)
  5979  		return true
  5980  	}
  5981  	return false
  5982  }
  5983  func rewriteValuegeneric_OpNeg64(v *Value, config *Config) bool {
  5984  	b := v.Block
  5985  	_ = b
  5986  	// match: (Neg64 (Sub64 x y))
  5987  	// cond:
  5988  	// result: (Sub64 y x)
  5989  	for {
  5990  		v_0 := v.Args[0]
  5991  		if v_0.Op != OpSub64 {
  5992  			break
  5993  		}
  5994  		x := v_0.Args[0]
  5995  		y := v_0.Args[1]
  5996  		v.reset(OpSub64)
  5997  		v.AddArg(y)
  5998  		v.AddArg(x)
  5999  		return true
  6000  	}
  6001  	return false
  6002  }
  6003  func rewriteValuegeneric_OpNeg8(v *Value, config *Config) bool {
  6004  	b := v.Block
  6005  	_ = b
  6006  	// match: (Neg8  (Sub8  x y))
  6007  	// cond:
  6008  	// result: (Sub8  y x)
  6009  	for {
  6010  		v_0 := v.Args[0]
  6011  		if v_0.Op != OpSub8 {
  6012  			break
  6013  		}
  6014  		x := v_0.Args[0]
  6015  		y := v_0.Args[1]
  6016  		v.reset(OpSub8)
  6017  		v.AddArg(y)
  6018  		v.AddArg(x)
  6019  		return true
  6020  	}
  6021  	return false
  6022  }
  6023  func rewriteValuegeneric_OpNeq16(v *Value, config *Config) bool {
  6024  	b := v.Block
  6025  	_ = b
  6026  	// match: (Neq16 x x)
  6027  	// cond:
  6028  	// result: (ConstBool [0])
  6029  	for {
  6030  		x := v.Args[0]
  6031  		if x != v.Args[1] {
  6032  			break
  6033  		}
  6034  		v.reset(OpConstBool)
  6035  		v.AuxInt = 0
  6036  		return true
  6037  	}
  6038  	// match: (Neq16 (Const16 <t> [c]) (Add16 (Const16 <t> [d]) x))
  6039  	// cond:
  6040  	// result: (Neq16 (Const16 <t> [int64(int16(c-d))]) x)
  6041  	for {
  6042  		v_0 := v.Args[0]
  6043  		if v_0.Op != OpConst16 {
  6044  			break
  6045  		}
  6046  		t := v_0.Type
  6047  		c := v_0.AuxInt
  6048  		v_1 := v.Args[1]
  6049  		if v_1.Op != OpAdd16 {
  6050  			break
  6051  		}
  6052  		v_1_0 := v_1.Args[0]
  6053  		if v_1_0.Op != OpConst16 {
  6054  			break
  6055  		}
  6056  		if v_1_0.Type != t {
  6057  			break
  6058  		}
  6059  		d := v_1_0.AuxInt
  6060  		x := v_1.Args[1]
  6061  		v.reset(OpNeq16)
  6062  		v0 := b.NewValue0(v.Line, OpConst16, t)
  6063  		v0.AuxInt = int64(int16(c - d))
  6064  		v.AddArg(v0)
  6065  		v.AddArg(x)
  6066  		return true
  6067  	}
  6068  	// match: (Neq16 x (Const16 <t> [c]))
  6069  	// cond: x.Op != OpConst16
  6070  	// result: (Neq16 (Const16 <t> [c]) x)
  6071  	for {
  6072  		x := v.Args[0]
  6073  		v_1 := v.Args[1]
  6074  		if v_1.Op != OpConst16 {
  6075  			break
  6076  		}
  6077  		t := v_1.Type
  6078  		c := v_1.AuxInt
  6079  		if !(x.Op != OpConst16) {
  6080  			break
  6081  		}
  6082  		v.reset(OpNeq16)
  6083  		v0 := b.NewValue0(v.Line, OpConst16, t)
  6084  		v0.AuxInt = c
  6085  		v.AddArg(v0)
  6086  		v.AddArg(x)
  6087  		return true
  6088  	}
  6089  	// match: (Neq16 (Const16 [c]) (Const16 [d]))
  6090  	// cond:
  6091  	// result: (ConstBool [b2i(c != d)])
  6092  	for {
  6093  		v_0 := v.Args[0]
  6094  		if v_0.Op != OpConst16 {
  6095  			break
  6096  		}
  6097  		c := v_0.AuxInt
  6098  		v_1 := v.Args[1]
  6099  		if v_1.Op != OpConst16 {
  6100  			break
  6101  		}
  6102  		d := v_1.AuxInt
  6103  		v.reset(OpConstBool)
  6104  		v.AuxInt = b2i(c != d)
  6105  		return true
  6106  	}
  6107  	return false
  6108  }
  6109  func rewriteValuegeneric_OpNeq32(v *Value, config *Config) bool {
  6110  	b := v.Block
  6111  	_ = b
  6112  	// match: (Neq32 x x)
  6113  	// cond:
  6114  	// result: (ConstBool [0])
  6115  	for {
  6116  		x := v.Args[0]
  6117  		if x != v.Args[1] {
  6118  			break
  6119  		}
  6120  		v.reset(OpConstBool)
  6121  		v.AuxInt = 0
  6122  		return true
  6123  	}
  6124  	// match: (Neq32 (Const32 <t> [c]) (Add32 (Const32 <t> [d]) x))
  6125  	// cond:
  6126  	// result: (Neq32 (Const32 <t> [int64(int32(c-d))]) x)
  6127  	for {
  6128  		v_0 := v.Args[0]
  6129  		if v_0.Op != OpConst32 {
  6130  			break
  6131  		}
  6132  		t := v_0.Type
  6133  		c := v_0.AuxInt
  6134  		v_1 := v.Args[1]
  6135  		if v_1.Op != OpAdd32 {
  6136  			break
  6137  		}
  6138  		v_1_0 := v_1.Args[0]
  6139  		if v_1_0.Op != OpConst32 {
  6140  			break
  6141  		}
  6142  		if v_1_0.Type != t {
  6143  			break
  6144  		}
  6145  		d := v_1_0.AuxInt
  6146  		x := v_1.Args[1]
  6147  		v.reset(OpNeq32)
  6148  		v0 := b.NewValue0(v.Line, OpConst32, t)
  6149  		v0.AuxInt = int64(int32(c - d))
  6150  		v.AddArg(v0)
  6151  		v.AddArg(x)
  6152  		return true
  6153  	}
  6154  	// match: (Neq32 x (Const32 <t> [c]))
  6155  	// cond: x.Op != OpConst32
  6156  	// result: (Neq32 (Const32 <t> [c]) x)
  6157  	for {
  6158  		x := v.Args[0]
  6159  		v_1 := v.Args[1]
  6160  		if v_1.Op != OpConst32 {
  6161  			break
  6162  		}
  6163  		t := v_1.Type
  6164  		c := v_1.AuxInt
  6165  		if !(x.Op != OpConst32) {
  6166  			break
  6167  		}
  6168  		v.reset(OpNeq32)
  6169  		v0 := b.NewValue0(v.Line, OpConst32, t)
  6170  		v0.AuxInt = c
  6171  		v.AddArg(v0)
  6172  		v.AddArg(x)
  6173  		return true
  6174  	}
  6175  	// match: (Neq32 (Const32 [c]) (Const32 [d]))
  6176  	// cond:
  6177  	// result: (ConstBool [b2i(c != d)])
  6178  	for {
  6179  		v_0 := v.Args[0]
  6180  		if v_0.Op != OpConst32 {
  6181  			break
  6182  		}
  6183  		c := v_0.AuxInt
  6184  		v_1 := v.Args[1]
  6185  		if v_1.Op != OpConst32 {
  6186  			break
  6187  		}
  6188  		d := v_1.AuxInt
  6189  		v.reset(OpConstBool)
  6190  		v.AuxInt = b2i(c != d)
  6191  		return true
  6192  	}
  6193  	return false
  6194  }
  6195  func rewriteValuegeneric_OpNeq64(v *Value, config *Config) bool {
  6196  	b := v.Block
  6197  	_ = b
  6198  	// match: (Neq64 x x)
  6199  	// cond:
  6200  	// result: (ConstBool [0])
  6201  	for {
  6202  		x := v.Args[0]
  6203  		if x != v.Args[1] {
  6204  			break
  6205  		}
  6206  		v.reset(OpConstBool)
  6207  		v.AuxInt = 0
  6208  		return true
  6209  	}
  6210  	// match: (Neq64 (Const64 <t> [c]) (Add64 (Const64 <t> [d]) x))
  6211  	// cond:
  6212  	// result: (Neq64 (Const64 <t> [c-d]) x)
  6213  	for {
  6214  		v_0 := v.Args[0]
  6215  		if v_0.Op != OpConst64 {
  6216  			break
  6217  		}
  6218  		t := v_0.Type
  6219  		c := v_0.AuxInt
  6220  		v_1 := v.Args[1]
  6221  		if v_1.Op != OpAdd64 {
  6222  			break
  6223  		}
  6224  		v_1_0 := v_1.Args[0]
  6225  		if v_1_0.Op != OpConst64 {
  6226  			break
  6227  		}
  6228  		if v_1_0.Type != t {
  6229  			break
  6230  		}
  6231  		d := v_1_0.AuxInt
  6232  		x := v_1.Args[1]
  6233  		v.reset(OpNeq64)
  6234  		v0 := b.NewValue0(v.Line, OpConst64, t)
  6235  		v0.AuxInt = c - d
  6236  		v.AddArg(v0)
  6237  		v.AddArg(x)
  6238  		return true
  6239  	}
  6240  	// match: (Neq64 x (Const64 <t> [c]))
  6241  	// cond: x.Op != OpConst64
  6242  	// result: (Neq64 (Const64 <t> [c]) x)
  6243  	for {
  6244  		x := v.Args[0]
  6245  		v_1 := v.Args[1]
  6246  		if v_1.Op != OpConst64 {
  6247  			break
  6248  		}
  6249  		t := v_1.Type
  6250  		c := v_1.AuxInt
  6251  		if !(x.Op != OpConst64) {
  6252  			break
  6253  		}
  6254  		v.reset(OpNeq64)
  6255  		v0 := b.NewValue0(v.Line, OpConst64, t)
  6256  		v0.AuxInt = c
  6257  		v.AddArg(v0)
  6258  		v.AddArg(x)
  6259  		return true
  6260  	}
  6261  	// match: (Neq64 (Const64 [c]) (Const64 [d]))
  6262  	// cond:
  6263  	// result: (ConstBool [b2i(c != d)])
  6264  	for {
  6265  		v_0 := v.Args[0]
  6266  		if v_0.Op != OpConst64 {
  6267  			break
  6268  		}
  6269  		c := v_0.AuxInt
  6270  		v_1 := v.Args[1]
  6271  		if v_1.Op != OpConst64 {
  6272  			break
  6273  		}
  6274  		d := v_1.AuxInt
  6275  		v.reset(OpConstBool)
  6276  		v.AuxInt = b2i(c != d)
  6277  		return true
  6278  	}
  6279  	return false
  6280  }
  6281  func rewriteValuegeneric_OpNeq8(v *Value, config *Config) bool {
  6282  	b := v.Block
  6283  	_ = b
  6284  	// match: (Neq8  x x)
  6285  	// cond:
  6286  	// result: (ConstBool [0])
  6287  	for {
  6288  		x := v.Args[0]
  6289  		if x != v.Args[1] {
  6290  			break
  6291  		}
  6292  		v.reset(OpConstBool)
  6293  		v.AuxInt = 0
  6294  		return true
  6295  	}
  6296  	// match: (Neq8  (Const8  <t> [c]) (Add8  (Const8  <t> [d]) x))
  6297  	// cond:
  6298  	// result: (Neq8 (Const8 <t> [int64(int8(c-d))]) x)
  6299  	for {
  6300  		v_0 := v.Args[0]
  6301  		if v_0.Op != OpConst8 {
  6302  			break
  6303  		}
  6304  		t := v_0.Type
  6305  		c := v_0.AuxInt
  6306  		v_1 := v.Args[1]
  6307  		if v_1.Op != OpAdd8 {
  6308  			break
  6309  		}
  6310  		v_1_0 := v_1.Args[0]
  6311  		if v_1_0.Op != OpConst8 {
  6312  			break
  6313  		}
  6314  		if v_1_0.Type != t {
  6315  			break
  6316  		}
  6317  		d := v_1_0.AuxInt
  6318  		x := v_1.Args[1]
  6319  		v.reset(OpNeq8)
  6320  		v0 := b.NewValue0(v.Line, OpConst8, t)
  6321  		v0.AuxInt = int64(int8(c - d))
  6322  		v.AddArg(v0)
  6323  		v.AddArg(x)
  6324  		return true
  6325  	}
  6326  	// match: (Neq8  x (Const8 <t>  [c]))
  6327  	// cond: x.Op != OpConst8
  6328  	// result: (Neq8  (Const8  <t> [c]) x)
  6329  	for {
  6330  		x := v.Args[0]
  6331  		v_1 := v.Args[1]
  6332  		if v_1.Op != OpConst8 {
  6333  			break
  6334  		}
  6335  		t := v_1.Type
  6336  		c := v_1.AuxInt
  6337  		if !(x.Op != OpConst8) {
  6338  			break
  6339  		}
  6340  		v.reset(OpNeq8)
  6341  		v0 := b.NewValue0(v.Line, OpConst8, t)
  6342  		v0.AuxInt = c
  6343  		v.AddArg(v0)
  6344  		v.AddArg(x)
  6345  		return true
  6346  	}
  6347  	// match: (Neq8  (Const8  [c]) (Const8  [d]))
  6348  	// cond:
  6349  	// result: (ConstBool [b2i(c != d)])
  6350  	for {
  6351  		v_0 := v.Args[0]
  6352  		if v_0.Op != OpConst8 {
  6353  			break
  6354  		}
  6355  		c := v_0.AuxInt
  6356  		v_1 := v.Args[1]
  6357  		if v_1.Op != OpConst8 {
  6358  			break
  6359  		}
  6360  		d := v_1.AuxInt
  6361  		v.reset(OpConstBool)
  6362  		v.AuxInt = b2i(c != d)
  6363  		return true
  6364  	}
  6365  	return false
  6366  }
  6367  func rewriteValuegeneric_OpNeqB(v *Value, config *Config) bool {
  6368  	b := v.Block
  6369  	_ = b
  6370  	// match: (NeqB (ConstBool [c]) (ConstBool [d]))
  6371  	// cond:
  6372  	// result: (ConstBool [b2i(c != d)])
  6373  	for {
  6374  		v_0 := v.Args[0]
  6375  		if v_0.Op != OpConstBool {
  6376  			break
  6377  		}
  6378  		c := v_0.AuxInt
  6379  		v_1 := v.Args[1]
  6380  		if v_1.Op != OpConstBool {
  6381  			break
  6382  		}
  6383  		d := v_1.AuxInt
  6384  		v.reset(OpConstBool)
  6385  		v.AuxInt = b2i(c != d)
  6386  		return true
  6387  	}
  6388  	// match: (NeqB (ConstBool [0]) x)
  6389  	// cond:
  6390  	// result: x
  6391  	for {
  6392  		v_0 := v.Args[0]
  6393  		if v_0.Op != OpConstBool {
  6394  			break
  6395  		}
  6396  		if v_0.AuxInt != 0 {
  6397  			break
  6398  		}
  6399  		x := v.Args[1]
  6400  		v.reset(OpCopy)
  6401  		v.Type = x.Type
  6402  		v.AddArg(x)
  6403  		return true
  6404  	}
  6405  	// match: (NeqB (ConstBool [1]) x)
  6406  	// cond:
  6407  	// result: (Not x)
  6408  	for {
  6409  		v_0 := v.Args[0]
  6410  		if v_0.Op != OpConstBool {
  6411  			break
  6412  		}
  6413  		if v_0.AuxInt != 1 {
  6414  			break
  6415  		}
  6416  		x := v.Args[1]
  6417  		v.reset(OpNot)
  6418  		v.AddArg(x)
  6419  		return true
  6420  	}
  6421  	return false
  6422  }
  6423  func rewriteValuegeneric_OpNeqInter(v *Value, config *Config) bool {
  6424  	b := v.Block
  6425  	_ = b
  6426  	// match: (NeqInter x y)
  6427  	// cond:
  6428  	// result: (NeqPtr (ITab x) (ITab y))
  6429  	for {
  6430  		x := v.Args[0]
  6431  		y := v.Args[1]
  6432  		v.reset(OpNeqPtr)
  6433  		v0 := b.NewValue0(v.Line, OpITab, config.fe.TypeBytePtr())
  6434  		v0.AddArg(x)
  6435  		v.AddArg(v0)
  6436  		v1 := b.NewValue0(v.Line, OpITab, config.fe.TypeBytePtr())
  6437  		v1.AddArg(y)
  6438  		v.AddArg(v1)
  6439  		return true
  6440  	}
  6441  }
  6442  func rewriteValuegeneric_OpNeqPtr(v *Value, config *Config) bool {
  6443  	b := v.Block
  6444  	_ = b
  6445  	// match: (NeqPtr p (ConstNil))
  6446  	// cond:
  6447  	// result: (IsNonNil p)
  6448  	for {
  6449  		p := v.Args[0]
  6450  		v_1 := v.Args[1]
  6451  		if v_1.Op != OpConstNil {
  6452  			break
  6453  		}
  6454  		v.reset(OpIsNonNil)
  6455  		v.AddArg(p)
  6456  		return true
  6457  	}
  6458  	// match: (NeqPtr (ConstNil) p)
  6459  	// cond:
  6460  	// result: (IsNonNil p)
  6461  	for {
  6462  		v_0 := v.Args[0]
  6463  		if v_0.Op != OpConstNil {
  6464  			break
  6465  		}
  6466  		p := v.Args[1]
  6467  		v.reset(OpIsNonNil)
  6468  		v.AddArg(p)
  6469  		return true
  6470  	}
  6471  	return false
  6472  }
  6473  func rewriteValuegeneric_OpNeqSlice(v *Value, config *Config) bool {
  6474  	b := v.Block
  6475  	_ = b
  6476  	// match: (NeqSlice x y)
  6477  	// cond:
  6478  	// result: (NeqPtr (SlicePtr x) (SlicePtr y))
  6479  	for {
  6480  		x := v.Args[0]
  6481  		y := v.Args[1]
  6482  		v.reset(OpNeqPtr)
  6483  		v0 := b.NewValue0(v.Line, OpSlicePtr, config.fe.TypeBytePtr())
  6484  		v0.AddArg(x)
  6485  		v.AddArg(v0)
  6486  		v1 := b.NewValue0(v.Line, OpSlicePtr, config.fe.TypeBytePtr())
  6487  		v1.AddArg(y)
  6488  		v.AddArg(v1)
  6489  		return true
  6490  	}
  6491  }
  6492  func rewriteValuegeneric_OpNilCheck(v *Value, config *Config) bool {
  6493  	b := v.Block
  6494  	_ = b
  6495  	// match: (NilCheck (GetG mem) mem)
  6496  	// cond:
  6497  	// result: mem
  6498  	for {
  6499  		v_0 := v.Args[0]
  6500  		if v_0.Op != OpGetG {
  6501  			break
  6502  		}
  6503  		mem := v_0.Args[0]
  6504  		if mem != v.Args[1] {
  6505  			break
  6506  		}
  6507  		v.reset(OpCopy)
  6508  		v.Type = mem.Type
  6509  		v.AddArg(mem)
  6510  		return true
  6511  	}
  6512  	// match: (NilCheck (Load (OffPtr [c] (SP)) mem) mem)
  6513  	// cond: mem.Op == OpStaticCall 	&& isSameSym(mem.Aux, "runtime.newobject") 	&& c == config.ctxt.FixedFrameSize() + config.RegSize 	&& warnRule(config.Debug_checknil() && int(v.Line) > 1, v, "removed nil check")
  6514  	// result: (Invalid)
  6515  	for {
  6516  		v_0 := v.Args[0]
  6517  		if v_0.Op != OpLoad {
  6518  			break
  6519  		}
  6520  		v_0_0 := v_0.Args[0]
  6521  		if v_0_0.Op != OpOffPtr {
  6522  			break
  6523  		}
  6524  		c := v_0_0.AuxInt
  6525  		v_0_0_0 := v_0_0.Args[0]
  6526  		if v_0_0_0.Op != OpSP {
  6527  			break
  6528  		}
  6529  		mem := v_0.Args[1]
  6530  		if mem != v.Args[1] {
  6531  			break
  6532  		}
  6533  		if !(mem.Op == OpStaticCall && isSameSym(mem.Aux, "runtime.newobject") && c == config.ctxt.FixedFrameSize()+config.RegSize && warnRule(config.Debug_checknil() && int(v.Line) > 1, v, "removed nil check")) {
  6534  			break
  6535  		}
  6536  		v.reset(OpInvalid)
  6537  		return true
  6538  	}
  6539  	// match: (NilCheck (OffPtr (Load (OffPtr [c] (SP)) mem)) mem)
  6540  	// cond: mem.Op == OpStaticCall 	&& isSameSym(mem.Aux, "runtime.newobject") 	&& c == config.ctxt.FixedFrameSize() + config.RegSize 	&& warnRule(config.Debug_checknil() && int(v.Line) > 1, v, "removed nil check")
  6541  	// result: (Invalid)
  6542  	for {
  6543  		v_0 := v.Args[0]
  6544  		if v_0.Op != OpOffPtr {
  6545  			break
  6546  		}
  6547  		v_0_0 := v_0.Args[0]
  6548  		if v_0_0.Op != OpLoad {
  6549  			break
  6550  		}
  6551  		v_0_0_0 := v_0_0.Args[0]
  6552  		if v_0_0_0.Op != OpOffPtr {
  6553  			break
  6554  		}
  6555  		c := v_0_0_0.AuxInt
  6556  		v_0_0_0_0 := v_0_0_0.Args[0]
  6557  		if v_0_0_0_0.Op != OpSP {
  6558  			break
  6559  		}
  6560  		mem := v_0_0.Args[1]
  6561  		if mem != v.Args[1] {
  6562  			break
  6563  		}
  6564  		if !(mem.Op == OpStaticCall && isSameSym(mem.Aux, "runtime.newobject") && c == config.ctxt.FixedFrameSize()+config.RegSize && warnRule(config.Debug_checknil() && int(v.Line) > 1, v, "removed nil check")) {
  6565  			break
  6566  		}
  6567  		v.reset(OpInvalid)
  6568  		return true
  6569  	}
  6570  	return false
  6571  }
  6572  func rewriteValuegeneric_OpNot(v *Value, config *Config) bool {
  6573  	b := v.Block
  6574  	_ = b
  6575  	// match: (Not (Eq64 x y))
  6576  	// cond:
  6577  	// result: (Neq64 x y)
  6578  	for {
  6579  		v_0 := v.Args[0]
  6580  		if v_0.Op != OpEq64 {
  6581  			break
  6582  		}
  6583  		x := v_0.Args[0]
  6584  		y := v_0.Args[1]
  6585  		v.reset(OpNeq64)
  6586  		v.AddArg(x)
  6587  		v.AddArg(y)
  6588  		return true
  6589  	}
  6590  	// match: (Not (Eq32 x y))
  6591  	// cond:
  6592  	// result: (Neq32 x y)
  6593  	for {
  6594  		v_0 := v.Args[0]
  6595  		if v_0.Op != OpEq32 {
  6596  			break
  6597  		}
  6598  		x := v_0.Args[0]
  6599  		y := v_0.Args[1]
  6600  		v.reset(OpNeq32)
  6601  		v.AddArg(x)
  6602  		v.AddArg(y)
  6603  		return true
  6604  	}
  6605  	// match: (Not (Eq16 x y))
  6606  	// cond:
  6607  	// result: (Neq16 x y)
  6608  	for {
  6609  		v_0 := v.Args[0]
  6610  		if v_0.Op != OpEq16 {
  6611  			break
  6612  		}
  6613  		x := v_0.Args[0]
  6614  		y := v_0.Args[1]
  6615  		v.reset(OpNeq16)
  6616  		v.AddArg(x)
  6617  		v.AddArg(y)
  6618  		return true
  6619  	}
  6620  	// match: (Not (Eq8  x y))
  6621  	// cond:
  6622  	// result: (Neq8  x y)
  6623  	for {
  6624  		v_0 := v.Args[0]
  6625  		if v_0.Op != OpEq8 {
  6626  			break
  6627  		}
  6628  		x := v_0.Args[0]
  6629  		y := v_0.Args[1]
  6630  		v.reset(OpNeq8)
  6631  		v.AddArg(x)
  6632  		v.AddArg(y)
  6633  		return true
  6634  	}
  6635  	// match: (Not (EqB  x y))
  6636  	// cond:
  6637  	// result: (NeqB  x y)
  6638  	for {
  6639  		v_0 := v.Args[0]
  6640  		if v_0.Op != OpEqB {
  6641  			break
  6642  		}
  6643  		x := v_0.Args[0]
  6644  		y := v_0.Args[1]
  6645  		v.reset(OpNeqB)
  6646  		v.AddArg(x)
  6647  		v.AddArg(y)
  6648  		return true
  6649  	}
  6650  	// match: (Not (Neq64 x y))
  6651  	// cond:
  6652  	// result: (Eq64 x y)
  6653  	for {
  6654  		v_0 := v.Args[0]
  6655  		if v_0.Op != OpNeq64 {
  6656  			break
  6657  		}
  6658  		x := v_0.Args[0]
  6659  		y := v_0.Args[1]
  6660  		v.reset(OpEq64)
  6661  		v.AddArg(x)
  6662  		v.AddArg(y)
  6663  		return true
  6664  	}
  6665  	// match: (Not (Neq32 x y))
  6666  	// cond:
  6667  	// result: (Eq32 x y)
  6668  	for {
  6669  		v_0 := v.Args[0]
  6670  		if v_0.Op != OpNeq32 {
  6671  			break
  6672  		}
  6673  		x := v_0.Args[0]
  6674  		y := v_0.Args[1]
  6675  		v.reset(OpEq32)
  6676  		v.AddArg(x)
  6677  		v.AddArg(y)
  6678  		return true
  6679  	}
  6680  	// match: (Not (Neq16 x y))
  6681  	// cond:
  6682  	// result: (Eq16 x y)
  6683  	for {
  6684  		v_0 := v.Args[0]
  6685  		if v_0.Op != OpNeq16 {
  6686  			break
  6687  		}
  6688  		x := v_0.Args[0]
  6689  		y := v_0.Args[1]
  6690  		v.reset(OpEq16)
  6691  		v.AddArg(x)
  6692  		v.AddArg(y)
  6693  		return true
  6694  	}
  6695  	// match: (Not (Neq8  x y))
  6696  	// cond:
  6697  	// result: (Eq8  x y)
  6698  	for {
  6699  		v_0 := v.Args[0]
  6700  		if v_0.Op != OpNeq8 {
  6701  			break
  6702  		}
  6703  		x := v_0.Args[0]
  6704  		y := v_0.Args[1]
  6705  		v.reset(OpEq8)
  6706  		v.AddArg(x)
  6707  		v.AddArg(y)
  6708  		return true
  6709  	}
  6710  	// match: (Not (NeqB  x y))
  6711  	// cond:
  6712  	// result: (EqB  x y)
  6713  	for {
  6714  		v_0 := v.Args[0]
  6715  		if v_0.Op != OpNeqB {
  6716  			break
  6717  		}
  6718  		x := v_0.Args[0]
  6719  		y := v_0.Args[1]
  6720  		v.reset(OpEqB)
  6721  		v.AddArg(x)
  6722  		v.AddArg(y)
  6723  		return true
  6724  	}
  6725  	// match: (Not (Greater64 x y))
  6726  	// cond:
  6727  	// result: (Leq64 x y)
  6728  	for {
  6729  		v_0 := v.Args[0]
  6730  		if v_0.Op != OpGreater64 {
  6731  			break
  6732  		}
  6733  		x := v_0.Args[0]
  6734  		y := v_0.Args[1]
  6735  		v.reset(OpLeq64)
  6736  		v.AddArg(x)
  6737  		v.AddArg(y)
  6738  		return true
  6739  	}
  6740  	// match: (Not (Greater32 x y))
  6741  	// cond:
  6742  	// result: (Leq32 x y)
  6743  	for {
  6744  		v_0 := v.Args[0]
  6745  		if v_0.Op != OpGreater32 {
  6746  			break
  6747  		}
  6748  		x := v_0.Args[0]
  6749  		y := v_0.Args[1]
  6750  		v.reset(OpLeq32)
  6751  		v.AddArg(x)
  6752  		v.AddArg(y)
  6753  		return true
  6754  	}
  6755  	// match: (Not (Greater16 x y))
  6756  	// cond:
  6757  	// result: (Leq16 x y)
  6758  	for {
  6759  		v_0 := v.Args[0]
  6760  		if v_0.Op != OpGreater16 {
  6761  			break
  6762  		}
  6763  		x := v_0.Args[0]
  6764  		y := v_0.Args[1]
  6765  		v.reset(OpLeq16)
  6766  		v.AddArg(x)
  6767  		v.AddArg(y)
  6768  		return true
  6769  	}
  6770  	// match: (Not (Greater8  x y))
  6771  	// cond:
  6772  	// result: (Leq8  x y)
  6773  	for {
  6774  		v_0 := v.Args[0]
  6775  		if v_0.Op != OpGreater8 {
  6776  			break
  6777  		}
  6778  		x := v_0.Args[0]
  6779  		y := v_0.Args[1]
  6780  		v.reset(OpLeq8)
  6781  		v.AddArg(x)
  6782  		v.AddArg(y)
  6783  		return true
  6784  	}
  6785  	// match: (Not (Greater64U x y))
  6786  	// cond:
  6787  	// result: (Leq64U x y)
  6788  	for {
  6789  		v_0 := v.Args[0]
  6790  		if v_0.Op != OpGreater64U {
  6791  			break
  6792  		}
  6793  		x := v_0.Args[0]
  6794  		y := v_0.Args[1]
  6795  		v.reset(OpLeq64U)
  6796  		v.AddArg(x)
  6797  		v.AddArg(y)
  6798  		return true
  6799  	}
  6800  	// match: (Not (Greater32U x y))
  6801  	// cond:
  6802  	// result: (Leq32U x y)
  6803  	for {
  6804  		v_0 := v.Args[0]
  6805  		if v_0.Op != OpGreater32U {
  6806  			break
  6807  		}
  6808  		x := v_0.Args[0]
  6809  		y := v_0.Args[1]
  6810  		v.reset(OpLeq32U)
  6811  		v.AddArg(x)
  6812  		v.AddArg(y)
  6813  		return true
  6814  	}
  6815  	// match: (Not (Greater16U x y))
  6816  	// cond:
  6817  	// result: (Leq16U x y)
  6818  	for {
  6819  		v_0 := v.Args[0]
  6820  		if v_0.Op != OpGreater16U {
  6821  			break
  6822  		}
  6823  		x := v_0.Args[0]
  6824  		y := v_0.Args[1]
  6825  		v.reset(OpLeq16U)
  6826  		v.AddArg(x)
  6827  		v.AddArg(y)
  6828  		return true
  6829  	}
  6830  	// match: (Not (Greater8U  x y))
  6831  	// cond:
  6832  	// result: (Leq8U  x y)
  6833  	for {
  6834  		v_0 := v.Args[0]
  6835  		if v_0.Op != OpGreater8U {
  6836  			break
  6837  		}
  6838  		x := v_0.Args[0]
  6839  		y := v_0.Args[1]
  6840  		v.reset(OpLeq8U)
  6841  		v.AddArg(x)
  6842  		v.AddArg(y)
  6843  		return true
  6844  	}
  6845  	// match: (Not (Geq64 x y))
  6846  	// cond:
  6847  	// result: (Less64 x y)
  6848  	for {
  6849  		v_0 := v.Args[0]
  6850  		if v_0.Op != OpGeq64 {
  6851  			break
  6852  		}
  6853  		x := v_0.Args[0]
  6854  		y := v_0.Args[1]
  6855  		v.reset(OpLess64)
  6856  		v.AddArg(x)
  6857  		v.AddArg(y)
  6858  		return true
  6859  	}
  6860  	// match: (Not (Geq32 x y))
  6861  	// cond:
  6862  	// result: (Less32 x y)
  6863  	for {
  6864  		v_0 := v.Args[0]
  6865  		if v_0.Op != OpGeq32 {
  6866  			break
  6867  		}
  6868  		x := v_0.Args[0]
  6869  		y := v_0.Args[1]
  6870  		v.reset(OpLess32)
  6871  		v.AddArg(x)
  6872  		v.AddArg(y)
  6873  		return true
  6874  	}
  6875  	// match: (Not (Geq16 x y))
  6876  	// cond:
  6877  	// result: (Less16 x y)
  6878  	for {
  6879  		v_0 := v.Args[0]
  6880  		if v_0.Op != OpGeq16 {
  6881  			break
  6882  		}
  6883  		x := v_0.Args[0]
  6884  		y := v_0.Args[1]
  6885  		v.reset(OpLess16)
  6886  		v.AddArg(x)
  6887  		v.AddArg(y)
  6888  		return true
  6889  	}
  6890  	// match: (Not (Geq8  x y))
  6891  	// cond:
  6892  	// result: (Less8  x y)
  6893  	for {
  6894  		v_0 := v.Args[0]
  6895  		if v_0.Op != OpGeq8 {
  6896  			break
  6897  		}
  6898  		x := v_0.Args[0]
  6899  		y := v_0.Args[1]
  6900  		v.reset(OpLess8)
  6901  		v.AddArg(x)
  6902  		v.AddArg(y)
  6903  		return true
  6904  	}
  6905  	// match: (Not (Geq64U x y))
  6906  	// cond:
  6907  	// result: (Less64U x y)
  6908  	for {
  6909  		v_0 := v.Args[0]
  6910  		if v_0.Op != OpGeq64U {
  6911  			break
  6912  		}
  6913  		x := v_0.Args[0]
  6914  		y := v_0.Args[1]
  6915  		v.reset(OpLess64U)
  6916  		v.AddArg(x)
  6917  		v.AddArg(y)
  6918  		return true
  6919  	}
  6920  	// match: (Not (Geq32U x y))
  6921  	// cond:
  6922  	// result: (Less32U x y)
  6923  	for {
  6924  		v_0 := v.Args[0]
  6925  		if v_0.Op != OpGeq32U {
  6926  			break
  6927  		}
  6928  		x := v_0.Args[0]
  6929  		y := v_0.Args[1]
  6930  		v.reset(OpLess32U)
  6931  		v.AddArg(x)
  6932  		v.AddArg(y)
  6933  		return true
  6934  	}
  6935  	// match: (Not (Geq16U x y))
  6936  	// cond:
  6937  	// result: (Less16U x y)
  6938  	for {
  6939  		v_0 := v.Args[0]
  6940  		if v_0.Op != OpGeq16U {
  6941  			break
  6942  		}
  6943  		x := v_0.Args[0]
  6944  		y := v_0.Args[1]
  6945  		v.reset(OpLess16U)
  6946  		v.AddArg(x)
  6947  		v.AddArg(y)
  6948  		return true
  6949  	}
  6950  	// match: (Not (Geq8U  x y))
  6951  	// cond:
  6952  	// result: (Less8U  x y)
  6953  	for {
  6954  		v_0 := v.Args[0]
  6955  		if v_0.Op != OpGeq8U {
  6956  			break
  6957  		}
  6958  		x := v_0.Args[0]
  6959  		y := v_0.Args[1]
  6960  		v.reset(OpLess8U)
  6961  		v.AddArg(x)
  6962  		v.AddArg(y)
  6963  		return true
  6964  	}
  6965  	// match: (Not (Less64 x y))
  6966  	// cond:
  6967  	// result: (Geq64 x y)
  6968  	for {
  6969  		v_0 := v.Args[0]
  6970  		if v_0.Op != OpLess64 {
  6971  			break
  6972  		}
  6973  		x := v_0.Args[0]
  6974  		y := v_0.Args[1]
  6975  		v.reset(OpGeq64)
  6976  		v.AddArg(x)
  6977  		v.AddArg(y)
  6978  		return true
  6979  	}
  6980  	// match: (Not (Less32 x y))
  6981  	// cond:
  6982  	// result: (Geq32 x y)
  6983  	for {
  6984  		v_0 := v.Args[0]
  6985  		if v_0.Op != OpLess32 {
  6986  			break
  6987  		}
  6988  		x := v_0.Args[0]
  6989  		y := v_0.Args[1]
  6990  		v.reset(OpGeq32)
  6991  		v.AddArg(x)
  6992  		v.AddArg(y)
  6993  		return true
  6994  	}
  6995  	// match: (Not (Less16 x y))
  6996  	// cond:
  6997  	// result: (Geq16 x y)
  6998  	for {
  6999  		v_0 := v.Args[0]
  7000  		if v_0.Op != OpLess16 {
  7001  			break
  7002  		}
  7003  		x := v_0.Args[0]
  7004  		y := v_0.Args[1]
  7005  		v.reset(OpGeq16)
  7006  		v.AddArg(x)
  7007  		v.AddArg(y)
  7008  		return true
  7009  	}
  7010  	// match: (Not (Less8  x y))
  7011  	// cond:
  7012  	// result: (Geq8  x y)
  7013  	for {
  7014  		v_0 := v.Args[0]
  7015  		if v_0.Op != OpLess8 {
  7016  			break
  7017  		}
  7018  		x := v_0.Args[0]
  7019  		y := v_0.Args[1]
  7020  		v.reset(OpGeq8)
  7021  		v.AddArg(x)
  7022  		v.AddArg(y)
  7023  		return true
  7024  	}
  7025  	// match: (Not (Less64U x y))
  7026  	// cond:
  7027  	// result: (Geq64U x y)
  7028  	for {
  7029  		v_0 := v.Args[0]
  7030  		if v_0.Op != OpLess64U {
  7031  			break
  7032  		}
  7033  		x := v_0.Args[0]
  7034  		y := v_0.Args[1]
  7035  		v.reset(OpGeq64U)
  7036  		v.AddArg(x)
  7037  		v.AddArg(y)
  7038  		return true
  7039  	}
  7040  	// match: (Not (Less32U x y))
  7041  	// cond:
  7042  	// result: (Geq32U x y)
  7043  	for {
  7044  		v_0 := v.Args[0]
  7045  		if v_0.Op != OpLess32U {
  7046  			break
  7047  		}
  7048  		x := v_0.Args[0]
  7049  		y := v_0.Args[1]
  7050  		v.reset(OpGeq32U)
  7051  		v.AddArg(x)
  7052  		v.AddArg(y)
  7053  		return true
  7054  	}
  7055  	// match: (Not (Less16U x y))
  7056  	// cond:
  7057  	// result: (Geq16U x y)
  7058  	for {
  7059  		v_0 := v.Args[0]
  7060  		if v_0.Op != OpLess16U {
  7061  			break
  7062  		}
  7063  		x := v_0.Args[0]
  7064  		y := v_0.Args[1]
  7065  		v.reset(OpGeq16U)
  7066  		v.AddArg(x)
  7067  		v.AddArg(y)
  7068  		return true
  7069  	}
  7070  	// match: (Not (Less8U  x y))
  7071  	// cond:
  7072  	// result: (Geq8U  x y)
  7073  	for {
  7074  		v_0 := v.Args[0]
  7075  		if v_0.Op != OpLess8U {
  7076  			break
  7077  		}
  7078  		x := v_0.Args[0]
  7079  		y := v_0.Args[1]
  7080  		v.reset(OpGeq8U)
  7081  		v.AddArg(x)
  7082  		v.AddArg(y)
  7083  		return true
  7084  	}
  7085  	// match: (Not (Leq64 x y))
  7086  	// cond:
  7087  	// result: (Greater64 x y)
  7088  	for {
  7089  		v_0 := v.Args[0]
  7090  		if v_0.Op != OpLeq64 {
  7091  			break
  7092  		}
  7093  		x := v_0.Args[0]
  7094  		y := v_0.Args[1]
  7095  		v.reset(OpGreater64)
  7096  		v.AddArg(x)
  7097  		v.AddArg(y)
  7098  		return true
  7099  	}
  7100  	// match: (Not (Leq32 x y))
  7101  	// cond:
  7102  	// result: (Greater32 x y)
  7103  	for {
  7104  		v_0 := v.Args[0]
  7105  		if v_0.Op != OpLeq32 {
  7106  			break
  7107  		}
  7108  		x := v_0.Args[0]
  7109  		y := v_0.Args[1]
  7110  		v.reset(OpGreater32)
  7111  		v.AddArg(x)
  7112  		v.AddArg(y)
  7113  		return true
  7114  	}
  7115  	// match: (Not (Leq16 x y))
  7116  	// cond:
  7117  	// result: (Greater16 x y)
  7118  	for {
  7119  		v_0 := v.Args[0]
  7120  		if v_0.Op != OpLeq16 {
  7121  			break
  7122  		}
  7123  		x := v_0.Args[0]
  7124  		y := v_0.Args[1]
  7125  		v.reset(OpGreater16)
  7126  		v.AddArg(x)
  7127  		v.AddArg(y)
  7128  		return true
  7129  	}
  7130  	// match: (Not (Leq8  x y))
  7131  	// cond:
  7132  	// result: (Greater8 x y)
  7133  	for {
  7134  		v_0 := v.Args[0]
  7135  		if v_0.Op != OpLeq8 {
  7136  			break
  7137  		}
  7138  		x := v_0.Args[0]
  7139  		y := v_0.Args[1]
  7140  		v.reset(OpGreater8)
  7141  		v.AddArg(x)
  7142  		v.AddArg(y)
  7143  		return true
  7144  	}
  7145  	// match: (Not (Leq64U x y))
  7146  	// cond:
  7147  	// result: (Greater64U x y)
  7148  	for {
  7149  		v_0 := v.Args[0]
  7150  		if v_0.Op != OpLeq64U {
  7151  			break
  7152  		}
  7153  		x := v_0.Args[0]
  7154  		y := v_0.Args[1]
  7155  		v.reset(OpGreater64U)
  7156  		v.AddArg(x)
  7157  		v.AddArg(y)
  7158  		return true
  7159  	}
  7160  	// match: (Not (Leq32U x y))
  7161  	// cond:
  7162  	// result: (Greater32U x y)
  7163  	for {
  7164  		v_0 := v.Args[0]
  7165  		if v_0.Op != OpLeq32U {
  7166  			break
  7167  		}
  7168  		x := v_0.Args[0]
  7169  		y := v_0.Args[1]
  7170  		v.reset(OpGreater32U)
  7171  		v.AddArg(x)
  7172  		v.AddArg(y)
  7173  		return true
  7174  	}
  7175  	// match: (Not (Leq16U x y))
  7176  	// cond:
  7177  	// result: (Greater16U x y)
  7178  	for {
  7179  		v_0 := v.Args[0]
  7180  		if v_0.Op != OpLeq16U {
  7181  			break
  7182  		}
  7183  		x := v_0.Args[0]
  7184  		y := v_0.Args[1]
  7185  		v.reset(OpGreater16U)
  7186  		v.AddArg(x)
  7187  		v.AddArg(y)
  7188  		return true
  7189  	}
  7190  	// match: (Not (Leq8U  x y))
  7191  	// cond:
  7192  	// result: (Greater8U  x y)
  7193  	for {
  7194  		v_0 := v.Args[0]
  7195  		if v_0.Op != OpLeq8U {
  7196  			break
  7197  		}
  7198  		x := v_0.Args[0]
  7199  		y := v_0.Args[1]
  7200  		v.reset(OpGreater8U)
  7201  		v.AddArg(x)
  7202  		v.AddArg(y)
  7203  		return true
  7204  	}
  7205  	return false
  7206  }
  7207  func rewriteValuegeneric_OpOffPtr(v *Value, config *Config) bool {
  7208  	b := v.Block
  7209  	_ = b
  7210  	// match: (OffPtr (OffPtr p [b]) [a])
  7211  	// cond:
  7212  	// result: (OffPtr p [a+b])
  7213  	for {
  7214  		a := v.AuxInt
  7215  		v_0 := v.Args[0]
  7216  		if v_0.Op != OpOffPtr {
  7217  			break
  7218  		}
  7219  		b := v_0.AuxInt
  7220  		p := v_0.Args[0]
  7221  		v.reset(OpOffPtr)
  7222  		v.AuxInt = a + b
  7223  		v.AddArg(p)
  7224  		return true
  7225  	}
  7226  	// match: (OffPtr p [0])
  7227  	// cond: v.Type.Compare(p.Type) == CMPeq
  7228  	// result: p
  7229  	for {
  7230  		if v.AuxInt != 0 {
  7231  			break
  7232  		}
  7233  		p := v.Args[0]
  7234  		if !(v.Type.Compare(p.Type) == CMPeq) {
  7235  			break
  7236  		}
  7237  		v.reset(OpCopy)
  7238  		v.Type = p.Type
  7239  		v.AddArg(p)
  7240  		return true
  7241  	}
  7242  	return false
  7243  }
  7244  func rewriteValuegeneric_OpOr16(v *Value, config *Config) bool {
  7245  	b := v.Block
  7246  	_ = b
  7247  	// match: (Or16 x (Const16 <t> [c]))
  7248  	// cond: x.Op != OpConst16
  7249  	// result: (Or16 (Const16 <t> [c]) x)
  7250  	for {
  7251  		x := v.Args[0]
  7252  		v_1 := v.Args[1]
  7253  		if v_1.Op != OpConst16 {
  7254  			break
  7255  		}
  7256  		t := v_1.Type
  7257  		c := v_1.AuxInt
  7258  		if !(x.Op != OpConst16) {
  7259  			break
  7260  		}
  7261  		v.reset(OpOr16)
  7262  		v0 := b.NewValue0(v.Line, OpConst16, t)
  7263  		v0.AuxInt = c
  7264  		v.AddArg(v0)
  7265  		v.AddArg(x)
  7266  		return true
  7267  	}
  7268  	// match: (Or16 x x)
  7269  	// cond:
  7270  	// result: x
  7271  	for {
  7272  		x := v.Args[0]
  7273  		if x != v.Args[1] {
  7274  			break
  7275  		}
  7276  		v.reset(OpCopy)
  7277  		v.Type = x.Type
  7278  		v.AddArg(x)
  7279  		return true
  7280  	}
  7281  	// match: (Or16 (Const16 [0]) x)
  7282  	// cond:
  7283  	// result: x
  7284  	for {
  7285  		v_0 := v.Args[0]
  7286  		if v_0.Op != OpConst16 {
  7287  			break
  7288  		}
  7289  		if v_0.AuxInt != 0 {
  7290  			break
  7291  		}
  7292  		x := v.Args[1]
  7293  		v.reset(OpCopy)
  7294  		v.Type = x.Type
  7295  		v.AddArg(x)
  7296  		return true
  7297  	}
  7298  	// match: (Or16 (Const16 [-1]) _)
  7299  	// cond:
  7300  	// result: (Const16 [-1])
  7301  	for {
  7302  		v_0 := v.Args[0]
  7303  		if v_0.Op != OpConst16 {
  7304  			break
  7305  		}
  7306  		if v_0.AuxInt != -1 {
  7307  			break
  7308  		}
  7309  		v.reset(OpConst16)
  7310  		v.AuxInt = -1
  7311  		return true
  7312  	}
  7313  	// match: (Or16 x (Or16 x y))
  7314  	// cond:
  7315  	// result: (Or16 x y)
  7316  	for {
  7317  		x := v.Args[0]
  7318  		v_1 := v.Args[1]
  7319  		if v_1.Op != OpOr16 {
  7320  			break
  7321  		}
  7322  		if x != v_1.Args[0] {
  7323  			break
  7324  		}
  7325  		y := v_1.Args[1]
  7326  		v.reset(OpOr16)
  7327  		v.AddArg(x)
  7328  		v.AddArg(y)
  7329  		return true
  7330  	}
  7331  	// match: (Or16 x (Or16 y x))
  7332  	// cond:
  7333  	// result: (Or16 x y)
  7334  	for {
  7335  		x := v.Args[0]
  7336  		v_1 := v.Args[1]
  7337  		if v_1.Op != OpOr16 {
  7338  			break
  7339  		}
  7340  		y := v_1.Args[0]
  7341  		if x != v_1.Args[1] {
  7342  			break
  7343  		}
  7344  		v.reset(OpOr16)
  7345  		v.AddArg(x)
  7346  		v.AddArg(y)
  7347  		return true
  7348  	}
  7349  	// match: (Or16 (Or16 x y) x)
  7350  	// cond:
  7351  	// result: (Or16 x y)
  7352  	for {
  7353  		v_0 := v.Args[0]
  7354  		if v_0.Op != OpOr16 {
  7355  			break
  7356  		}
  7357  		x := v_0.Args[0]
  7358  		y := v_0.Args[1]
  7359  		if x != v.Args[1] {
  7360  			break
  7361  		}
  7362  		v.reset(OpOr16)
  7363  		v.AddArg(x)
  7364  		v.AddArg(y)
  7365  		return true
  7366  	}
  7367  	// match: (Or16 (Or16 x y) y)
  7368  	// cond:
  7369  	// result: (Or16 x y)
  7370  	for {
  7371  		v_0 := v.Args[0]
  7372  		if v_0.Op != OpOr16 {
  7373  			break
  7374  		}
  7375  		x := v_0.Args[0]
  7376  		y := v_0.Args[1]
  7377  		if y != v.Args[1] {
  7378  			break
  7379  		}
  7380  		v.reset(OpOr16)
  7381  		v.AddArg(x)
  7382  		v.AddArg(y)
  7383  		return true
  7384  	}
  7385  	return false
  7386  }
  7387  func rewriteValuegeneric_OpOr32(v *Value, config *Config) bool {
  7388  	b := v.Block
  7389  	_ = b
  7390  	// match: (Or32 x (Const32 <t> [c]))
  7391  	// cond: x.Op != OpConst32
  7392  	// result: (Or32 (Const32 <t> [c]) x)
  7393  	for {
  7394  		x := v.Args[0]
  7395  		v_1 := v.Args[1]
  7396  		if v_1.Op != OpConst32 {
  7397  			break
  7398  		}
  7399  		t := v_1.Type
  7400  		c := v_1.AuxInt
  7401  		if !(x.Op != OpConst32) {
  7402  			break
  7403  		}
  7404  		v.reset(OpOr32)
  7405  		v0 := b.NewValue0(v.Line, OpConst32, t)
  7406  		v0.AuxInt = c
  7407  		v.AddArg(v0)
  7408  		v.AddArg(x)
  7409  		return true
  7410  	}
  7411  	// match: (Or32 x x)
  7412  	// cond:
  7413  	// result: x
  7414  	for {
  7415  		x := v.Args[0]
  7416  		if x != v.Args[1] {
  7417  			break
  7418  		}
  7419  		v.reset(OpCopy)
  7420  		v.Type = x.Type
  7421  		v.AddArg(x)
  7422  		return true
  7423  	}
  7424  	// match: (Or32 (Const32 [0]) x)
  7425  	// cond:
  7426  	// result: x
  7427  	for {
  7428  		v_0 := v.Args[0]
  7429  		if v_0.Op != OpConst32 {
  7430  			break
  7431  		}
  7432  		if v_0.AuxInt != 0 {
  7433  			break
  7434  		}
  7435  		x := v.Args[1]
  7436  		v.reset(OpCopy)
  7437  		v.Type = x.Type
  7438  		v.AddArg(x)
  7439  		return true
  7440  	}
  7441  	// match: (Or32 (Const32 [-1]) _)
  7442  	// cond:
  7443  	// result: (Const32 [-1])
  7444  	for {
  7445  		v_0 := v.Args[0]
  7446  		if v_0.Op != OpConst32 {
  7447  			break
  7448  		}
  7449  		if v_0.AuxInt != -1 {
  7450  			break
  7451  		}
  7452  		v.reset(OpConst32)
  7453  		v.AuxInt = -1
  7454  		return true
  7455  	}
  7456  	// match: (Or32 x (Or32 x y))
  7457  	// cond:
  7458  	// result: (Or32 x y)
  7459  	for {
  7460  		x := v.Args[0]
  7461  		v_1 := v.Args[1]
  7462  		if v_1.Op != OpOr32 {
  7463  			break
  7464  		}
  7465  		if x != v_1.Args[0] {
  7466  			break
  7467  		}
  7468  		y := v_1.Args[1]
  7469  		v.reset(OpOr32)
  7470  		v.AddArg(x)
  7471  		v.AddArg(y)
  7472  		return true
  7473  	}
  7474  	// match: (Or32 x (Or32 y x))
  7475  	// cond:
  7476  	// result: (Or32 x y)
  7477  	for {
  7478  		x := v.Args[0]
  7479  		v_1 := v.Args[1]
  7480  		if v_1.Op != OpOr32 {
  7481  			break
  7482  		}
  7483  		y := v_1.Args[0]
  7484  		if x != v_1.Args[1] {
  7485  			break
  7486  		}
  7487  		v.reset(OpOr32)
  7488  		v.AddArg(x)
  7489  		v.AddArg(y)
  7490  		return true
  7491  	}
  7492  	// match: (Or32 (Or32 x y) x)
  7493  	// cond:
  7494  	// result: (Or32 x y)
  7495  	for {
  7496  		v_0 := v.Args[0]
  7497  		if v_0.Op != OpOr32 {
  7498  			break
  7499  		}
  7500  		x := v_0.Args[0]
  7501  		y := v_0.Args[1]
  7502  		if x != v.Args[1] {
  7503  			break
  7504  		}
  7505  		v.reset(OpOr32)
  7506  		v.AddArg(x)
  7507  		v.AddArg(y)
  7508  		return true
  7509  	}
  7510  	// match: (Or32 (Or32 x y) y)
  7511  	// cond:
  7512  	// result: (Or32 x y)
  7513  	for {
  7514  		v_0 := v.Args[0]
  7515  		if v_0.Op != OpOr32 {
  7516  			break
  7517  		}
  7518  		x := v_0.Args[0]
  7519  		y := v_0.Args[1]
  7520  		if y != v.Args[1] {
  7521  			break
  7522  		}
  7523  		v.reset(OpOr32)
  7524  		v.AddArg(x)
  7525  		v.AddArg(y)
  7526  		return true
  7527  	}
  7528  	return false
  7529  }
  7530  func rewriteValuegeneric_OpOr64(v *Value, config *Config) bool {
  7531  	b := v.Block
  7532  	_ = b
  7533  	// match: (Or64 x (Const64 <t> [c]))
  7534  	// cond: x.Op != OpConst64
  7535  	// result: (Or64 (Const64 <t> [c]) x)
  7536  	for {
  7537  		x := v.Args[0]
  7538  		v_1 := v.Args[1]
  7539  		if v_1.Op != OpConst64 {
  7540  			break
  7541  		}
  7542  		t := v_1.Type
  7543  		c := v_1.AuxInt
  7544  		if !(x.Op != OpConst64) {
  7545  			break
  7546  		}
  7547  		v.reset(OpOr64)
  7548  		v0 := b.NewValue0(v.Line, OpConst64, t)
  7549  		v0.AuxInt = c
  7550  		v.AddArg(v0)
  7551  		v.AddArg(x)
  7552  		return true
  7553  	}
  7554  	// match: (Or64 x x)
  7555  	// cond:
  7556  	// result: x
  7557  	for {
  7558  		x := v.Args[0]
  7559  		if x != v.Args[1] {
  7560  			break
  7561  		}
  7562  		v.reset(OpCopy)
  7563  		v.Type = x.Type
  7564  		v.AddArg(x)
  7565  		return true
  7566  	}
  7567  	// match: (Or64 (Const64 [0]) x)
  7568  	// cond:
  7569  	// result: x
  7570  	for {
  7571  		v_0 := v.Args[0]
  7572  		if v_0.Op != OpConst64 {
  7573  			break
  7574  		}
  7575  		if v_0.AuxInt != 0 {
  7576  			break
  7577  		}
  7578  		x := v.Args[1]
  7579  		v.reset(OpCopy)
  7580  		v.Type = x.Type
  7581  		v.AddArg(x)
  7582  		return true
  7583  	}
  7584  	// match: (Or64 (Const64 [-1]) _)
  7585  	// cond:
  7586  	// result: (Const64 [-1])
  7587  	for {
  7588  		v_0 := v.Args[0]
  7589  		if v_0.Op != OpConst64 {
  7590  			break
  7591  		}
  7592  		if v_0.AuxInt != -1 {
  7593  			break
  7594  		}
  7595  		v.reset(OpConst64)
  7596  		v.AuxInt = -1
  7597  		return true
  7598  	}
  7599  	// match: (Or64 x (Or64 x y))
  7600  	// cond:
  7601  	// result: (Or64 x y)
  7602  	for {
  7603  		x := v.Args[0]
  7604  		v_1 := v.Args[1]
  7605  		if v_1.Op != OpOr64 {
  7606  			break
  7607  		}
  7608  		if x != v_1.Args[0] {
  7609  			break
  7610  		}
  7611  		y := v_1.Args[1]
  7612  		v.reset(OpOr64)
  7613  		v.AddArg(x)
  7614  		v.AddArg(y)
  7615  		return true
  7616  	}
  7617  	// match: (Or64 x (Or64 y x))
  7618  	// cond:
  7619  	// result: (Or64 x y)
  7620  	for {
  7621  		x := v.Args[0]
  7622  		v_1 := v.Args[1]
  7623  		if v_1.Op != OpOr64 {
  7624  			break
  7625  		}
  7626  		y := v_1.Args[0]
  7627  		if x != v_1.Args[1] {
  7628  			break
  7629  		}
  7630  		v.reset(OpOr64)
  7631  		v.AddArg(x)
  7632  		v.AddArg(y)
  7633  		return true
  7634  	}
  7635  	// match: (Or64 (Or64 x y) x)
  7636  	// cond:
  7637  	// result: (Or64 x y)
  7638  	for {
  7639  		v_0 := v.Args[0]
  7640  		if v_0.Op != OpOr64 {
  7641  			break
  7642  		}
  7643  		x := v_0.Args[0]
  7644  		y := v_0.Args[1]
  7645  		if x != v.Args[1] {
  7646  			break
  7647  		}
  7648  		v.reset(OpOr64)
  7649  		v.AddArg(x)
  7650  		v.AddArg(y)
  7651  		return true
  7652  	}
  7653  	// match: (Or64 (Or64 x y) y)
  7654  	// cond:
  7655  	// result: (Or64 x y)
  7656  	for {
  7657  		v_0 := v.Args[0]
  7658  		if v_0.Op != OpOr64 {
  7659  			break
  7660  		}
  7661  		x := v_0.Args[0]
  7662  		y := v_0.Args[1]
  7663  		if y != v.Args[1] {
  7664  			break
  7665  		}
  7666  		v.reset(OpOr64)
  7667  		v.AddArg(x)
  7668  		v.AddArg(y)
  7669  		return true
  7670  	}
  7671  	return false
  7672  }
  7673  func rewriteValuegeneric_OpOr8(v *Value, config *Config) bool {
  7674  	b := v.Block
  7675  	_ = b
  7676  	// match: (Or8  x (Const8  <t> [c]))
  7677  	// cond: x.Op != OpConst8
  7678  	// result: (Or8  (Const8  <t> [c]) x)
  7679  	for {
  7680  		x := v.Args[0]
  7681  		v_1 := v.Args[1]
  7682  		if v_1.Op != OpConst8 {
  7683  			break
  7684  		}
  7685  		t := v_1.Type
  7686  		c := v_1.AuxInt
  7687  		if !(x.Op != OpConst8) {
  7688  			break
  7689  		}
  7690  		v.reset(OpOr8)
  7691  		v0 := b.NewValue0(v.Line, OpConst8, t)
  7692  		v0.AuxInt = c
  7693  		v.AddArg(v0)
  7694  		v.AddArg(x)
  7695  		return true
  7696  	}
  7697  	// match: (Or8  x x)
  7698  	// cond:
  7699  	// result: x
  7700  	for {
  7701  		x := v.Args[0]
  7702  		if x != v.Args[1] {
  7703  			break
  7704  		}
  7705  		v.reset(OpCopy)
  7706  		v.Type = x.Type
  7707  		v.AddArg(x)
  7708  		return true
  7709  	}
  7710  	// match: (Or8  (Const8  [0]) x)
  7711  	// cond:
  7712  	// result: x
  7713  	for {
  7714  		v_0 := v.Args[0]
  7715  		if v_0.Op != OpConst8 {
  7716  			break
  7717  		}
  7718  		if v_0.AuxInt != 0 {
  7719  			break
  7720  		}
  7721  		x := v.Args[1]
  7722  		v.reset(OpCopy)
  7723  		v.Type = x.Type
  7724  		v.AddArg(x)
  7725  		return true
  7726  	}
  7727  	// match: (Or8  (Const8  [-1]) _)
  7728  	// cond:
  7729  	// result: (Const8  [-1])
  7730  	for {
  7731  		v_0 := v.Args[0]
  7732  		if v_0.Op != OpConst8 {
  7733  			break
  7734  		}
  7735  		if v_0.AuxInt != -1 {
  7736  			break
  7737  		}
  7738  		v.reset(OpConst8)
  7739  		v.AuxInt = -1
  7740  		return true
  7741  	}
  7742  	// match: (Or8  x (Or8  x y))
  7743  	// cond:
  7744  	// result: (Or8  x y)
  7745  	for {
  7746  		x := v.Args[0]
  7747  		v_1 := v.Args[1]
  7748  		if v_1.Op != OpOr8 {
  7749  			break
  7750  		}
  7751  		if x != v_1.Args[0] {
  7752  			break
  7753  		}
  7754  		y := v_1.Args[1]
  7755  		v.reset(OpOr8)
  7756  		v.AddArg(x)
  7757  		v.AddArg(y)
  7758  		return true
  7759  	}
  7760  	// match: (Or8  x (Or8  y x))
  7761  	// cond:
  7762  	// result: (Or8  x y)
  7763  	for {
  7764  		x := v.Args[0]
  7765  		v_1 := v.Args[1]
  7766  		if v_1.Op != OpOr8 {
  7767  			break
  7768  		}
  7769  		y := v_1.Args[0]
  7770  		if x != v_1.Args[1] {
  7771  			break
  7772  		}
  7773  		v.reset(OpOr8)
  7774  		v.AddArg(x)
  7775  		v.AddArg(y)
  7776  		return true
  7777  	}
  7778  	// match: (Or8  (Or8  x y) x)
  7779  	// cond:
  7780  	// result: (Or8  x y)
  7781  	for {
  7782  		v_0 := v.Args[0]
  7783  		if v_0.Op != OpOr8 {
  7784  			break
  7785  		}
  7786  		x := v_0.Args[0]
  7787  		y := v_0.Args[1]
  7788  		if x != v.Args[1] {
  7789  			break
  7790  		}
  7791  		v.reset(OpOr8)
  7792  		v.AddArg(x)
  7793  		v.AddArg(y)
  7794  		return true
  7795  	}
  7796  	// match: (Or8  (Or8  x y) y)
  7797  	// cond:
  7798  	// result: (Or8  x y)
  7799  	for {
  7800  		v_0 := v.Args[0]
  7801  		if v_0.Op != OpOr8 {
  7802  			break
  7803  		}
  7804  		x := v_0.Args[0]
  7805  		y := v_0.Args[1]
  7806  		if y != v.Args[1] {
  7807  			break
  7808  		}
  7809  		v.reset(OpOr8)
  7810  		v.AddArg(x)
  7811  		v.AddArg(y)
  7812  		return true
  7813  	}
  7814  	return false
  7815  }
  7816  func rewriteValuegeneric_OpPhi(v *Value, config *Config) bool {
  7817  	b := v.Block
  7818  	_ = b
  7819  	// match: (Phi (Const8  [c]) (Const8  [c]))
  7820  	// cond:
  7821  	// result: (Const8  [c])
  7822  	for {
  7823  		v_0 := v.Args[0]
  7824  		if v_0.Op != OpConst8 {
  7825  			break
  7826  		}
  7827  		c := v_0.AuxInt
  7828  		v_1 := v.Args[1]
  7829  		if v_1.Op != OpConst8 {
  7830  			break
  7831  		}
  7832  		if v_1.AuxInt != c {
  7833  			break
  7834  		}
  7835  		if len(v.Args) != 2 {
  7836  			break
  7837  		}
  7838  		v.reset(OpConst8)
  7839  		v.AuxInt = c
  7840  		return true
  7841  	}
  7842  	// match: (Phi (Const16 [c]) (Const16 [c]))
  7843  	// cond:
  7844  	// result: (Const16 [c])
  7845  	for {
  7846  		v_0 := v.Args[0]
  7847  		if v_0.Op != OpConst16 {
  7848  			break
  7849  		}
  7850  		c := v_0.AuxInt
  7851  		v_1 := v.Args[1]
  7852  		if v_1.Op != OpConst16 {
  7853  			break
  7854  		}
  7855  		if v_1.AuxInt != c {
  7856  			break
  7857  		}
  7858  		if len(v.Args) != 2 {
  7859  			break
  7860  		}
  7861  		v.reset(OpConst16)
  7862  		v.AuxInt = c
  7863  		return true
  7864  	}
  7865  	// match: (Phi (Const32 [c]) (Const32 [c]))
  7866  	// cond:
  7867  	// result: (Const32 [c])
  7868  	for {
  7869  		v_0 := v.Args[0]
  7870  		if v_0.Op != OpConst32 {
  7871  			break
  7872  		}
  7873  		c := v_0.AuxInt
  7874  		v_1 := v.Args[1]
  7875  		if v_1.Op != OpConst32 {
  7876  			break
  7877  		}
  7878  		if v_1.AuxInt != c {
  7879  			break
  7880  		}
  7881  		if len(v.Args) != 2 {
  7882  			break
  7883  		}
  7884  		v.reset(OpConst32)
  7885  		v.AuxInt = c
  7886  		return true
  7887  	}
  7888  	// match: (Phi (Const64 [c]) (Const64 [c]))
  7889  	// cond:
  7890  	// result: (Const64 [c])
  7891  	for {
  7892  		v_0 := v.Args[0]
  7893  		if v_0.Op != OpConst64 {
  7894  			break
  7895  		}
  7896  		c := v_0.AuxInt
  7897  		v_1 := v.Args[1]
  7898  		if v_1.Op != OpConst64 {
  7899  			break
  7900  		}
  7901  		if v_1.AuxInt != c {
  7902  			break
  7903  		}
  7904  		if len(v.Args) != 2 {
  7905  			break
  7906  		}
  7907  		v.reset(OpConst64)
  7908  		v.AuxInt = c
  7909  		return true
  7910  	}
  7911  	return false
  7912  }
  7913  func rewriteValuegeneric_OpPtrIndex(v *Value, config *Config) bool {
  7914  	b := v.Block
  7915  	_ = b
  7916  	// match: (PtrIndex <t> ptr idx)
  7917  	// cond: config.PtrSize == 4
  7918  	// result: (AddPtr ptr (Mul32 <config.fe.TypeInt()> idx (Const32 <config.fe.TypeInt()> [t.ElemType().Size()])))
  7919  	for {
  7920  		t := v.Type
  7921  		ptr := v.Args[0]
  7922  		idx := v.Args[1]
  7923  		if !(config.PtrSize == 4) {
  7924  			break
  7925  		}
  7926  		v.reset(OpAddPtr)
  7927  		v.AddArg(ptr)
  7928  		v0 := b.NewValue0(v.Line, OpMul32, config.fe.TypeInt())
  7929  		v0.AddArg(idx)
  7930  		v1 := b.NewValue0(v.Line, OpConst32, config.fe.TypeInt())
  7931  		v1.AuxInt = t.ElemType().Size()
  7932  		v0.AddArg(v1)
  7933  		v.AddArg(v0)
  7934  		return true
  7935  	}
  7936  	// match: (PtrIndex <t> ptr idx)
  7937  	// cond: config.PtrSize == 8
  7938  	// result: (AddPtr ptr (Mul64 <config.fe.TypeInt()> idx (Const64 <config.fe.TypeInt()> [t.ElemType().Size()])))
  7939  	for {
  7940  		t := v.Type
  7941  		ptr := v.Args[0]
  7942  		idx := v.Args[1]
  7943  		if !(config.PtrSize == 8) {
  7944  			break
  7945  		}
  7946  		v.reset(OpAddPtr)
  7947  		v.AddArg(ptr)
  7948  		v0 := b.NewValue0(v.Line, OpMul64, config.fe.TypeInt())
  7949  		v0.AddArg(idx)
  7950  		v1 := b.NewValue0(v.Line, OpConst64, config.fe.TypeInt())
  7951  		v1.AuxInt = t.ElemType().Size()
  7952  		v0.AddArg(v1)
  7953  		v.AddArg(v0)
  7954  		return true
  7955  	}
  7956  	return false
  7957  }
  7958  func rewriteValuegeneric_OpRsh16Ux16(v *Value, config *Config) bool {
  7959  	b := v.Block
  7960  	_ = b
  7961  	// match: (Rsh16Ux16 <t> x (Const16 [c]))
  7962  	// cond:
  7963  	// result: (Rsh16Ux64 x (Const64 <t> [int64(uint16(c))]))
  7964  	for {
  7965  		t := v.Type
  7966  		x := v.Args[0]
  7967  		v_1 := v.Args[1]
  7968  		if v_1.Op != OpConst16 {
  7969  			break
  7970  		}
  7971  		c := v_1.AuxInt
  7972  		v.reset(OpRsh16Ux64)
  7973  		v.AddArg(x)
  7974  		v0 := b.NewValue0(v.Line, OpConst64, t)
  7975  		v0.AuxInt = int64(uint16(c))
  7976  		v.AddArg(v0)
  7977  		return true
  7978  	}
  7979  	// match: (Rsh16Ux16 (Const16 [0]) _)
  7980  	// cond:
  7981  	// result: (Const16 [0])
  7982  	for {
  7983  		v_0 := v.Args[0]
  7984  		if v_0.Op != OpConst16 {
  7985  			break
  7986  		}
  7987  		if v_0.AuxInt != 0 {
  7988  			break
  7989  		}
  7990  		v.reset(OpConst16)
  7991  		v.AuxInt = 0
  7992  		return true
  7993  	}
  7994  	return false
  7995  }
  7996  func rewriteValuegeneric_OpRsh16Ux32(v *Value, config *Config) bool {
  7997  	b := v.Block
  7998  	_ = b
  7999  	// match: (Rsh16Ux32 <t> x (Const32 [c]))
  8000  	// cond:
  8001  	// result: (Rsh16Ux64 x (Const64 <t> [int64(uint32(c))]))
  8002  	for {
  8003  		t := v.Type
  8004  		x := v.Args[0]
  8005  		v_1 := v.Args[1]
  8006  		if v_1.Op != OpConst32 {
  8007  			break
  8008  		}
  8009  		c := v_1.AuxInt
  8010  		v.reset(OpRsh16Ux64)
  8011  		v.AddArg(x)
  8012  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8013  		v0.AuxInt = int64(uint32(c))
  8014  		v.AddArg(v0)
  8015  		return true
  8016  	}
  8017  	// match: (Rsh16Ux32 (Const16 [0]) _)
  8018  	// cond:
  8019  	// result: (Const16 [0])
  8020  	for {
  8021  		v_0 := v.Args[0]
  8022  		if v_0.Op != OpConst16 {
  8023  			break
  8024  		}
  8025  		if v_0.AuxInt != 0 {
  8026  			break
  8027  		}
  8028  		v.reset(OpConst16)
  8029  		v.AuxInt = 0
  8030  		return true
  8031  	}
  8032  	return false
  8033  }
  8034  func rewriteValuegeneric_OpRsh16Ux64(v *Value, config *Config) bool {
  8035  	b := v.Block
  8036  	_ = b
  8037  	// match: (Rsh16Ux64 (Const16 [c]) (Const64 [d]))
  8038  	// cond:
  8039  	// result: (Const16 [int64(int16(uint16(c) >> uint64(d)))])
  8040  	for {
  8041  		v_0 := v.Args[0]
  8042  		if v_0.Op != OpConst16 {
  8043  			break
  8044  		}
  8045  		c := v_0.AuxInt
  8046  		v_1 := v.Args[1]
  8047  		if v_1.Op != OpConst64 {
  8048  			break
  8049  		}
  8050  		d := v_1.AuxInt
  8051  		v.reset(OpConst16)
  8052  		v.AuxInt = int64(int16(uint16(c) >> uint64(d)))
  8053  		return true
  8054  	}
  8055  	// match: (Rsh16Ux64 x (Const64 [0]))
  8056  	// cond:
  8057  	// result: x
  8058  	for {
  8059  		x := v.Args[0]
  8060  		v_1 := v.Args[1]
  8061  		if v_1.Op != OpConst64 {
  8062  			break
  8063  		}
  8064  		if v_1.AuxInt != 0 {
  8065  			break
  8066  		}
  8067  		v.reset(OpCopy)
  8068  		v.Type = x.Type
  8069  		v.AddArg(x)
  8070  		return true
  8071  	}
  8072  	// match: (Rsh16Ux64 (Const16 [0]) _)
  8073  	// cond:
  8074  	// result: (Const16 [0])
  8075  	for {
  8076  		v_0 := v.Args[0]
  8077  		if v_0.Op != OpConst16 {
  8078  			break
  8079  		}
  8080  		if v_0.AuxInt != 0 {
  8081  			break
  8082  		}
  8083  		v.reset(OpConst16)
  8084  		v.AuxInt = 0
  8085  		return true
  8086  	}
  8087  	// match: (Rsh16Ux64 _ (Const64 [c]))
  8088  	// cond: uint64(c) >= 16
  8089  	// result: (Const16 [0])
  8090  	for {
  8091  		v_1 := v.Args[1]
  8092  		if v_1.Op != OpConst64 {
  8093  			break
  8094  		}
  8095  		c := v_1.AuxInt
  8096  		if !(uint64(c) >= 16) {
  8097  			break
  8098  		}
  8099  		v.reset(OpConst16)
  8100  		v.AuxInt = 0
  8101  		return true
  8102  	}
  8103  	// match: (Rsh16Ux64 <t> (Rsh16Ux64 x (Const64 [c])) (Const64 [d]))
  8104  	// cond: !uaddOvf(c,d)
  8105  	// result: (Rsh16Ux64 x (Const64 <t> [c+d]))
  8106  	for {
  8107  		t := v.Type
  8108  		v_0 := v.Args[0]
  8109  		if v_0.Op != OpRsh16Ux64 {
  8110  			break
  8111  		}
  8112  		x := v_0.Args[0]
  8113  		v_0_1 := v_0.Args[1]
  8114  		if v_0_1.Op != OpConst64 {
  8115  			break
  8116  		}
  8117  		c := v_0_1.AuxInt
  8118  		v_1 := v.Args[1]
  8119  		if v_1.Op != OpConst64 {
  8120  			break
  8121  		}
  8122  		d := v_1.AuxInt
  8123  		if !(!uaddOvf(c, d)) {
  8124  			break
  8125  		}
  8126  		v.reset(OpRsh16Ux64)
  8127  		v.AddArg(x)
  8128  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8129  		v0.AuxInt = c + d
  8130  		v.AddArg(v0)
  8131  		return true
  8132  	}
  8133  	// match: (Rsh16Ux64 (Lsh16x64 (Rsh16Ux64 x (Const64 [c1])) (Const64 [c2])) (Const64 [c3]))
  8134  	// cond: uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)
  8135  	// result: (Rsh16Ux64 x (Const64 <config.fe.TypeUInt64()> [c1-c2+c3]))
  8136  	for {
  8137  		v_0 := v.Args[0]
  8138  		if v_0.Op != OpLsh16x64 {
  8139  			break
  8140  		}
  8141  		v_0_0 := v_0.Args[0]
  8142  		if v_0_0.Op != OpRsh16Ux64 {
  8143  			break
  8144  		}
  8145  		x := v_0_0.Args[0]
  8146  		v_0_0_1 := v_0_0.Args[1]
  8147  		if v_0_0_1.Op != OpConst64 {
  8148  			break
  8149  		}
  8150  		c1 := v_0_0_1.AuxInt
  8151  		v_0_1 := v_0.Args[1]
  8152  		if v_0_1.Op != OpConst64 {
  8153  			break
  8154  		}
  8155  		c2 := v_0_1.AuxInt
  8156  		v_1 := v.Args[1]
  8157  		if v_1.Op != OpConst64 {
  8158  			break
  8159  		}
  8160  		c3 := v_1.AuxInt
  8161  		if !(uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)) {
  8162  			break
  8163  		}
  8164  		v.reset(OpRsh16Ux64)
  8165  		v.AddArg(x)
  8166  		v0 := b.NewValue0(v.Line, OpConst64, config.fe.TypeUInt64())
  8167  		v0.AuxInt = c1 - c2 + c3
  8168  		v.AddArg(v0)
  8169  		return true
  8170  	}
  8171  	return false
  8172  }
  8173  func rewriteValuegeneric_OpRsh16Ux8(v *Value, config *Config) bool {
  8174  	b := v.Block
  8175  	_ = b
  8176  	// match: (Rsh16Ux8  <t> x (Const8  [c]))
  8177  	// cond:
  8178  	// result: (Rsh16Ux64 x (Const64 <t> [int64(uint8(c))]))
  8179  	for {
  8180  		t := v.Type
  8181  		x := v.Args[0]
  8182  		v_1 := v.Args[1]
  8183  		if v_1.Op != OpConst8 {
  8184  			break
  8185  		}
  8186  		c := v_1.AuxInt
  8187  		v.reset(OpRsh16Ux64)
  8188  		v.AddArg(x)
  8189  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8190  		v0.AuxInt = int64(uint8(c))
  8191  		v.AddArg(v0)
  8192  		return true
  8193  	}
  8194  	// match: (Rsh16Ux8 (Const16 [0]) _)
  8195  	// cond:
  8196  	// result: (Const16 [0])
  8197  	for {
  8198  		v_0 := v.Args[0]
  8199  		if v_0.Op != OpConst16 {
  8200  			break
  8201  		}
  8202  		if v_0.AuxInt != 0 {
  8203  			break
  8204  		}
  8205  		v.reset(OpConst16)
  8206  		v.AuxInt = 0
  8207  		return true
  8208  	}
  8209  	return false
  8210  }
  8211  func rewriteValuegeneric_OpRsh16x16(v *Value, config *Config) bool {
  8212  	b := v.Block
  8213  	_ = b
  8214  	// match: (Rsh16x16  <t> x (Const16 [c]))
  8215  	// cond:
  8216  	// result: (Rsh16x64  x (Const64 <t> [int64(uint16(c))]))
  8217  	for {
  8218  		t := v.Type
  8219  		x := v.Args[0]
  8220  		v_1 := v.Args[1]
  8221  		if v_1.Op != OpConst16 {
  8222  			break
  8223  		}
  8224  		c := v_1.AuxInt
  8225  		v.reset(OpRsh16x64)
  8226  		v.AddArg(x)
  8227  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8228  		v0.AuxInt = int64(uint16(c))
  8229  		v.AddArg(v0)
  8230  		return true
  8231  	}
  8232  	// match: (Rsh16x16  (Const16 [0]) _)
  8233  	// cond:
  8234  	// result: (Const16 [0])
  8235  	for {
  8236  		v_0 := v.Args[0]
  8237  		if v_0.Op != OpConst16 {
  8238  			break
  8239  		}
  8240  		if v_0.AuxInt != 0 {
  8241  			break
  8242  		}
  8243  		v.reset(OpConst16)
  8244  		v.AuxInt = 0
  8245  		return true
  8246  	}
  8247  	return false
  8248  }
  8249  func rewriteValuegeneric_OpRsh16x32(v *Value, config *Config) bool {
  8250  	b := v.Block
  8251  	_ = b
  8252  	// match: (Rsh16x32  <t> x (Const32 [c]))
  8253  	// cond:
  8254  	// result: (Rsh16x64  x (Const64 <t> [int64(uint32(c))]))
  8255  	for {
  8256  		t := v.Type
  8257  		x := v.Args[0]
  8258  		v_1 := v.Args[1]
  8259  		if v_1.Op != OpConst32 {
  8260  			break
  8261  		}
  8262  		c := v_1.AuxInt
  8263  		v.reset(OpRsh16x64)
  8264  		v.AddArg(x)
  8265  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8266  		v0.AuxInt = int64(uint32(c))
  8267  		v.AddArg(v0)
  8268  		return true
  8269  	}
  8270  	// match: (Rsh16x32  (Const16 [0]) _)
  8271  	// cond:
  8272  	// result: (Const16 [0])
  8273  	for {
  8274  		v_0 := v.Args[0]
  8275  		if v_0.Op != OpConst16 {
  8276  			break
  8277  		}
  8278  		if v_0.AuxInt != 0 {
  8279  			break
  8280  		}
  8281  		v.reset(OpConst16)
  8282  		v.AuxInt = 0
  8283  		return true
  8284  	}
  8285  	return false
  8286  }
  8287  func rewriteValuegeneric_OpRsh16x64(v *Value, config *Config) bool {
  8288  	b := v.Block
  8289  	_ = b
  8290  	// match: (Rsh16x64  (Const16 [c]) (Const64 [d]))
  8291  	// cond:
  8292  	// result: (Const16 [int64(int16(c) >> uint64(d))])
  8293  	for {
  8294  		v_0 := v.Args[0]
  8295  		if v_0.Op != OpConst16 {
  8296  			break
  8297  		}
  8298  		c := v_0.AuxInt
  8299  		v_1 := v.Args[1]
  8300  		if v_1.Op != OpConst64 {
  8301  			break
  8302  		}
  8303  		d := v_1.AuxInt
  8304  		v.reset(OpConst16)
  8305  		v.AuxInt = int64(int16(c) >> uint64(d))
  8306  		return true
  8307  	}
  8308  	// match: (Rsh16x64  x (Const64 [0]))
  8309  	// cond:
  8310  	// result: x
  8311  	for {
  8312  		x := v.Args[0]
  8313  		v_1 := v.Args[1]
  8314  		if v_1.Op != OpConst64 {
  8315  			break
  8316  		}
  8317  		if v_1.AuxInt != 0 {
  8318  			break
  8319  		}
  8320  		v.reset(OpCopy)
  8321  		v.Type = x.Type
  8322  		v.AddArg(x)
  8323  		return true
  8324  	}
  8325  	// match: (Rsh16x64  (Const16 [0]) _)
  8326  	// cond:
  8327  	// result: (Const16 [0])
  8328  	for {
  8329  		v_0 := v.Args[0]
  8330  		if v_0.Op != OpConst16 {
  8331  			break
  8332  		}
  8333  		if v_0.AuxInt != 0 {
  8334  			break
  8335  		}
  8336  		v.reset(OpConst16)
  8337  		v.AuxInt = 0
  8338  		return true
  8339  	}
  8340  	// match: (Rsh16x64 <t> (Rsh16x64 x (Const64 [c])) (Const64 [d]))
  8341  	// cond: !uaddOvf(c,d)
  8342  	// result: (Rsh16x64 x (Const64 <t> [c+d]))
  8343  	for {
  8344  		t := v.Type
  8345  		v_0 := v.Args[0]
  8346  		if v_0.Op != OpRsh16x64 {
  8347  			break
  8348  		}
  8349  		x := v_0.Args[0]
  8350  		v_0_1 := v_0.Args[1]
  8351  		if v_0_1.Op != OpConst64 {
  8352  			break
  8353  		}
  8354  		c := v_0_1.AuxInt
  8355  		v_1 := v.Args[1]
  8356  		if v_1.Op != OpConst64 {
  8357  			break
  8358  		}
  8359  		d := v_1.AuxInt
  8360  		if !(!uaddOvf(c, d)) {
  8361  			break
  8362  		}
  8363  		v.reset(OpRsh16x64)
  8364  		v.AddArg(x)
  8365  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8366  		v0.AuxInt = c + d
  8367  		v.AddArg(v0)
  8368  		return true
  8369  	}
  8370  	return false
  8371  }
  8372  func rewriteValuegeneric_OpRsh16x8(v *Value, config *Config) bool {
  8373  	b := v.Block
  8374  	_ = b
  8375  	// match: (Rsh16x8   <t> x (Const8  [c]))
  8376  	// cond:
  8377  	// result: (Rsh16x64  x (Const64 <t> [int64(uint8(c))]))
  8378  	for {
  8379  		t := v.Type
  8380  		x := v.Args[0]
  8381  		v_1 := v.Args[1]
  8382  		if v_1.Op != OpConst8 {
  8383  			break
  8384  		}
  8385  		c := v_1.AuxInt
  8386  		v.reset(OpRsh16x64)
  8387  		v.AddArg(x)
  8388  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8389  		v0.AuxInt = int64(uint8(c))
  8390  		v.AddArg(v0)
  8391  		return true
  8392  	}
  8393  	// match: (Rsh16x8  (Const16 [0]) _)
  8394  	// cond:
  8395  	// result: (Const16 [0])
  8396  	for {
  8397  		v_0 := v.Args[0]
  8398  		if v_0.Op != OpConst16 {
  8399  			break
  8400  		}
  8401  		if v_0.AuxInt != 0 {
  8402  			break
  8403  		}
  8404  		v.reset(OpConst16)
  8405  		v.AuxInt = 0
  8406  		return true
  8407  	}
  8408  	return false
  8409  }
  8410  func rewriteValuegeneric_OpRsh32Ux16(v *Value, config *Config) bool {
  8411  	b := v.Block
  8412  	_ = b
  8413  	// match: (Rsh32Ux16 <t> x (Const16 [c]))
  8414  	// cond:
  8415  	// result: (Rsh32Ux64 x (Const64 <t> [int64(uint16(c))]))
  8416  	for {
  8417  		t := v.Type
  8418  		x := v.Args[0]
  8419  		v_1 := v.Args[1]
  8420  		if v_1.Op != OpConst16 {
  8421  			break
  8422  		}
  8423  		c := v_1.AuxInt
  8424  		v.reset(OpRsh32Ux64)
  8425  		v.AddArg(x)
  8426  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8427  		v0.AuxInt = int64(uint16(c))
  8428  		v.AddArg(v0)
  8429  		return true
  8430  	}
  8431  	// match: (Rsh32Ux16 (Const32 [0]) _)
  8432  	// cond:
  8433  	// result: (Const32 [0])
  8434  	for {
  8435  		v_0 := v.Args[0]
  8436  		if v_0.Op != OpConst32 {
  8437  			break
  8438  		}
  8439  		if v_0.AuxInt != 0 {
  8440  			break
  8441  		}
  8442  		v.reset(OpConst32)
  8443  		v.AuxInt = 0
  8444  		return true
  8445  	}
  8446  	return false
  8447  }
  8448  func rewriteValuegeneric_OpRsh32Ux32(v *Value, config *Config) bool {
  8449  	b := v.Block
  8450  	_ = b
  8451  	// match: (Rsh32Ux32 <t> x (Const32 [c]))
  8452  	// cond:
  8453  	// result: (Rsh32Ux64 x (Const64 <t> [int64(uint32(c))]))
  8454  	for {
  8455  		t := v.Type
  8456  		x := v.Args[0]
  8457  		v_1 := v.Args[1]
  8458  		if v_1.Op != OpConst32 {
  8459  			break
  8460  		}
  8461  		c := v_1.AuxInt
  8462  		v.reset(OpRsh32Ux64)
  8463  		v.AddArg(x)
  8464  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8465  		v0.AuxInt = int64(uint32(c))
  8466  		v.AddArg(v0)
  8467  		return true
  8468  	}
  8469  	// match: (Rsh32Ux32 (Const32 [0]) _)
  8470  	// cond:
  8471  	// result: (Const32 [0])
  8472  	for {
  8473  		v_0 := v.Args[0]
  8474  		if v_0.Op != OpConst32 {
  8475  			break
  8476  		}
  8477  		if v_0.AuxInt != 0 {
  8478  			break
  8479  		}
  8480  		v.reset(OpConst32)
  8481  		v.AuxInt = 0
  8482  		return true
  8483  	}
  8484  	return false
  8485  }
  8486  func rewriteValuegeneric_OpRsh32Ux64(v *Value, config *Config) bool {
  8487  	b := v.Block
  8488  	_ = b
  8489  	// match: (Rsh32Ux64 (Const32 [c]) (Const64 [d]))
  8490  	// cond:
  8491  	// result: (Const32 [int64(int32(uint32(c) >> uint64(d)))])
  8492  	for {
  8493  		v_0 := v.Args[0]
  8494  		if v_0.Op != OpConst32 {
  8495  			break
  8496  		}
  8497  		c := v_0.AuxInt
  8498  		v_1 := v.Args[1]
  8499  		if v_1.Op != OpConst64 {
  8500  			break
  8501  		}
  8502  		d := v_1.AuxInt
  8503  		v.reset(OpConst32)
  8504  		v.AuxInt = int64(int32(uint32(c) >> uint64(d)))
  8505  		return true
  8506  	}
  8507  	// match: (Rsh32Ux64 x (Const64 [0]))
  8508  	// cond:
  8509  	// result: x
  8510  	for {
  8511  		x := v.Args[0]
  8512  		v_1 := v.Args[1]
  8513  		if v_1.Op != OpConst64 {
  8514  			break
  8515  		}
  8516  		if v_1.AuxInt != 0 {
  8517  			break
  8518  		}
  8519  		v.reset(OpCopy)
  8520  		v.Type = x.Type
  8521  		v.AddArg(x)
  8522  		return true
  8523  	}
  8524  	// match: (Rsh32Ux64 (Const32 [0]) _)
  8525  	// cond:
  8526  	// result: (Const32 [0])
  8527  	for {
  8528  		v_0 := v.Args[0]
  8529  		if v_0.Op != OpConst32 {
  8530  			break
  8531  		}
  8532  		if v_0.AuxInt != 0 {
  8533  			break
  8534  		}
  8535  		v.reset(OpConst32)
  8536  		v.AuxInt = 0
  8537  		return true
  8538  	}
  8539  	// match: (Rsh32Ux64 _ (Const64 [c]))
  8540  	// cond: uint64(c) >= 32
  8541  	// result: (Const32 [0])
  8542  	for {
  8543  		v_1 := v.Args[1]
  8544  		if v_1.Op != OpConst64 {
  8545  			break
  8546  		}
  8547  		c := v_1.AuxInt
  8548  		if !(uint64(c) >= 32) {
  8549  			break
  8550  		}
  8551  		v.reset(OpConst32)
  8552  		v.AuxInt = 0
  8553  		return true
  8554  	}
  8555  	// match: (Rsh32Ux64 <t> (Rsh32Ux64 x (Const64 [c])) (Const64 [d]))
  8556  	// cond: !uaddOvf(c,d)
  8557  	// result: (Rsh32Ux64 x (Const64 <t> [c+d]))
  8558  	for {
  8559  		t := v.Type
  8560  		v_0 := v.Args[0]
  8561  		if v_0.Op != OpRsh32Ux64 {
  8562  			break
  8563  		}
  8564  		x := v_0.Args[0]
  8565  		v_0_1 := v_0.Args[1]
  8566  		if v_0_1.Op != OpConst64 {
  8567  			break
  8568  		}
  8569  		c := v_0_1.AuxInt
  8570  		v_1 := v.Args[1]
  8571  		if v_1.Op != OpConst64 {
  8572  			break
  8573  		}
  8574  		d := v_1.AuxInt
  8575  		if !(!uaddOvf(c, d)) {
  8576  			break
  8577  		}
  8578  		v.reset(OpRsh32Ux64)
  8579  		v.AddArg(x)
  8580  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8581  		v0.AuxInt = c + d
  8582  		v.AddArg(v0)
  8583  		return true
  8584  	}
  8585  	// match: (Rsh32Ux64 (Lsh32x64 (Rsh32Ux64 x (Const64 [c1])) (Const64 [c2])) (Const64 [c3]))
  8586  	// cond: uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)
  8587  	// result: (Rsh32Ux64 x (Const64 <config.fe.TypeUInt64()> [c1-c2+c3]))
  8588  	for {
  8589  		v_0 := v.Args[0]
  8590  		if v_0.Op != OpLsh32x64 {
  8591  			break
  8592  		}
  8593  		v_0_0 := v_0.Args[0]
  8594  		if v_0_0.Op != OpRsh32Ux64 {
  8595  			break
  8596  		}
  8597  		x := v_0_0.Args[0]
  8598  		v_0_0_1 := v_0_0.Args[1]
  8599  		if v_0_0_1.Op != OpConst64 {
  8600  			break
  8601  		}
  8602  		c1 := v_0_0_1.AuxInt
  8603  		v_0_1 := v_0.Args[1]
  8604  		if v_0_1.Op != OpConst64 {
  8605  			break
  8606  		}
  8607  		c2 := v_0_1.AuxInt
  8608  		v_1 := v.Args[1]
  8609  		if v_1.Op != OpConst64 {
  8610  			break
  8611  		}
  8612  		c3 := v_1.AuxInt
  8613  		if !(uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)) {
  8614  			break
  8615  		}
  8616  		v.reset(OpRsh32Ux64)
  8617  		v.AddArg(x)
  8618  		v0 := b.NewValue0(v.Line, OpConst64, config.fe.TypeUInt64())
  8619  		v0.AuxInt = c1 - c2 + c3
  8620  		v.AddArg(v0)
  8621  		return true
  8622  	}
  8623  	return false
  8624  }
  8625  func rewriteValuegeneric_OpRsh32Ux8(v *Value, config *Config) bool {
  8626  	b := v.Block
  8627  	_ = b
  8628  	// match: (Rsh32Ux8  <t> x (Const8  [c]))
  8629  	// cond:
  8630  	// result: (Rsh32Ux64 x (Const64 <t> [int64(uint8(c))]))
  8631  	for {
  8632  		t := v.Type
  8633  		x := v.Args[0]
  8634  		v_1 := v.Args[1]
  8635  		if v_1.Op != OpConst8 {
  8636  			break
  8637  		}
  8638  		c := v_1.AuxInt
  8639  		v.reset(OpRsh32Ux64)
  8640  		v.AddArg(x)
  8641  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8642  		v0.AuxInt = int64(uint8(c))
  8643  		v.AddArg(v0)
  8644  		return true
  8645  	}
  8646  	// match: (Rsh32Ux8 (Const32 [0]) _)
  8647  	// cond:
  8648  	// result: (Const32 [0])
  8649  	for {
  8650  		v_0 := v.Args[0]
  8651  		if v_0.Op != OpConst32 {
  8652  			break
  8653  		}
  8654  		if v_0.AuxInt != 0 {
  8655  			break
  8656  		}
  8657  		v.reset(OpConst32)
  8658  		v.AuxInt = 0
  8659  		return true
  8660  	}
  8661  	return false
  8662  }
  8663  func rewriteValuegeneric_OpRsh32x16(v *Value, config *Config) bool {
  8664  	b := v.Block
  8665  	_ = b
  8666  	// match: (Rsh32x16  <t> x (Const16 [c]))
  8667  	// cond:
  8668  	// result: (Rsh32x64  x (Const64 <t> [int64(uint16(c))]))
  8669  	for {
  8670  		t := v.Type
  8671  		x := v.Args[0]
  8672  		v_1 := v.Args[1]
  8673  		if v_1.Op != OpConst16 {
  8674  			break
  8675  		}
  8676  		c := v_1.AuxInt
  8677  		v.reset(OpRsh32x64)
  8678  		v.AddArg(x)
  8679  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8680  		v0.AuxInt = int64(uint16(c))
  8681  		v.AddArg(v0)
  8682  		return true
  8683  	}
  8684  	// match: (Rsh32x16  (Const32 [0]) _)
  8685  	// cond:
  8686  	// result: (Const32 [0])
  8687  	for {
  8688  		v_0 := v.Args[0]
  8689  		if v_0.Op != OpConst32 {
  8690  			break
  8691  		}
  8692  		if v_0.AuxInt != 0 {
  8693  			break
  8694  		}
  8695  		v.reset(OpConst32)
  8696  		v.AuxInt = 0
  8697  		return true
  8698  	}
  8699  	return false
  8700  }
  8701  func rewriteValuegeneric_OpRsh32x32(v *Value, config *Config) bool {
  8702  	b := v.Block
  8703  	_ = b
  8704  	// match: (Rsh32x32  <t> x (Const32 [c]))
  8705  	// cond:
  8706  	// result: (Rsh32x64  x (Const64 <t> [int64(uint32(c))]))
  8707  	for {
  8708  		t := v.Type
  8709  		x := v.Args[0]
  8710  		v_1 := v.Args[1]
  8711  		if v_1.Op != OpConst32 {
  8712  			break
  8713  		}
  8714  		c := v_1.AuxInt
  8715  		v.reset(OpRsh32x64)
  8716  		v.AddArg(x)
  8717  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8718  		v0.AuxInt = int64(uint32(c))
  8719  		v.AddArg(v0)
  8720  		return true
  8721  	}
  8722  	// match: (Rsh32x32  (Const32 [0]) _)
  8723  	// cond:
  8724  	// result: (Const32 [0])
  8725  	for {
  8726  		v_0 := v.Args[0]
  8727  		if v_0.Op != OpConst32 {
  8728  			break
  8729  		}
  8730  		if v_0.AuxInt != 0 {
  8731  			break
  8732  		}
  8733  		v.reset(OpConst32)
  8734  		v.AuxInt = 0
  8735  		return true
  8736  	}
  8737  	return false
  8738  }
  8739  func rewriteValuegeneric_OpRsh32x64(v *Value, config *Config) bool {
  8740  	b := v.Block
  8741  	_ = b
  8742  	// match: (Rsh32x64  (Const32 [c]) (Const64 [d]))
  8743  	// cond:
  8744  	// result: (Const32 [int64(int32(c) >> uint64(d))])
  8745  	for {
  8746  		v_0 := v.Args[0]
  8747  		if v_0.Op != OpConst32 {
  8748  			break
  8749  		}
  8750  		c := v_0.AuxInt
  8751  		v_1 := v.Args[1]
  8752  		if v_1.Op != OpConst64 {
  8753  			break
  8754  		}
  8755  		d := v_1.AuxInt
  8756  		v.reset(OpConst32)
  8757  		v.AuxInt = int64(int32(c) >> uint64(d))
  8758  		return true
  8759  	}
  8760  	// match: (Rsh32x64  x (Const64 [0]))
  8761  	// cond:
  8762  	// result: x
  8763  	for {
  8764  		x := v.Args[0]
  8765  		v_1 := v.Args[1]
  8766  		if v_1.Op != OpConst64 {
  8767  			break
  8768  		}
  8769  		if v_1.AuxInt != 0 {
  8770  			break
  8771  		}
  8772  		v.reset(OpCopy)
  8773  		v.Type = x.Type
  8774  		v.AddArg(x)
  8775  		return true
  8776  	}
  8777  	// match: (Rsh32x64  (Const32 [0]) _)
  8778  	// cond:
  8779  	// result: (Const32 [0])
  8780  	for {
  8781  		v_0 := v.Args[0]
  8782  		if v_0.Op != OpConst32 {
  8783  			break
  8784  		}
  8785  		if v_0.AuxInt != 0 {
  8786  			break
  8787  		}
  8788  		v.reset(OpConst32)
  8789  		v.AuxInt = 0
  8790  		return true
  8791  	}
  8792  	// match: (Rsh32x64 <t> (Rsh32x64 x (Const64 [c])) (Const64 [d]))
  8793  	// cond: !uaddOvf(c,d)
  8794  	// result: (Rsh32x64 x (Const64 <t> [c+d]))
  8795  	for {
  8796  		t := v.Type
  8797  		v_0 := v.Args[0]
  8798  		if v_0.Op != OpRsh32x64 {
  8799  			break
  8800  		}
  8801  		x := v_0.Args[0]
  8802  		v_0_1 := v_0.Args[1]
  8803  		if v_0_1.Op != OpConst64 {
  8804  			break
  8805  		}
  8806  		c := v_0_1.AuxInt
  8807  		v_1 := v.Args[1]
  8808  		if v_1.Op != OpConst64 {
  8809  			break
  8810  		}
  8811  		d := v_1.AuxInt
  8812  		if !(!uaddOvf(c, d)) {
  8813  			break
  8814  		}
  8815  		v.reset(OpRsh32x64)
  8816  		v.AddArg(x)
  8817  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8818  		v0.AuxInt = c + d
  8819  		v.AddArg(v0)
  8820  		return true
  8821  	}
  8822  	return false
  8823  }
  8824  func rewriteValuegeneric_OpRsh32x8(v *Value, config *Config) bool {
  8825  	b := v.Block
  8826  	_ = b
  8827  	// match: (Rsh32x8   <t> x (Const8  [c]))
  8828  	// cond:
  8829  	// result: (Rsh32x64  x (Const64 <t> [int64(uint8(c))]))
  8830  	for {
  8831  		t := v.Type
  8832  		x := v.Args[0]
  8833  		v_1 := v.Args[1]
  8834  		if v_1.Op != OpConst8 {
  8835  			break
  8836  		}
  8837  		c := v_1.AuxInt
  8838  		v.reset(OpRsh32x64)
  8839  		v.AddArg(x)
  8840  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8841  		v0.AuxInt = int64(uint8(c))
  8842  		v.AddArg(v0)
  8843  		return true
  8844  	}
  8845  	// match: (Rsh32x8  (Const32 [0]) _)
  8846  	// cond:
  8847  	// result: (Const32 [0])
  8848  	for {
  8849  		v_0 := v.Args[0]
  8850  		if v_0.Op != OpConst32 {
  8851  			break
  8852  		}
  8853  		if v_0.AuxInt != 0 {
  8854  			break
  8855  		}
  8856  		v.reset(OpConst32)
  8857  		v.AuxInt = 0
  8858  		return true
  8859  	}
  8860  	return false
  8861  }
  8862  func rewriteValuegeneric_OpRsh64Ux16(v *Value, config *Config) bool {
  8863  	b := v.Block
  8864  	_ = b
  8865  	// match: (Rsh64Ux16 <t> x (Const16 [c]))
  8866  	// cond:
  8867  	// result: (Rsh64Ux64 x (Const64 <t> [int64(uint16(c))]))
  8868  	for {
  8869  		t := v.Type
  8870  		x := v.Args[0]
  8871  		v_1 := v.Args[1]
  8872  		if v_1.Op != OpConst16 {
  8873  			break
  8874  		}
  8875  		c := v_1.AuxInt
  8876  		v.reset(OpRsh64Ux64)
  8877  		v.AddArg(x)
  8878  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8879  		v0.AuxInt = int64(uint16(c))
  8880  		v.AddArg(v0)
  8881  		return true
  8882  	}
  8883  	// match: (Rsh64Ux16 (Const64 [0]) _)
  8884  	// cond:
  8885  	// result: (Const64 [0])
  8886  	for {
  8887  		v_0 := v.Args[0]
  8888  		if v_0.Op != OpConst64 {
  8889  			break
  8890  		}
  8891  		if v_0.AuxInt != 0 {
  8892  			break
  8893  		}
  8894  		v.reset(OpConst64)
  8895  		v.AuxInt = 0
  8896  		return true
  8897  	}
  8898  	return false
  8899  }
  8900  func rewriteValuegeneric_OpRsh64Ux32(v *Value, config *Config) bool {
  8901  	b := v.Block
  8902  	_ = b
  8903  	// match: (Rsh64Ux32 <t> x (Const32 [c]))
  8904  	// cond:
  8905  	// result: (Rsh64Ux64 x (Const64 <t> [int64(uint32(c))]))
  8906  	for {
  8907  		t := v.Type
  8908  		x := v.Args[0]
  8909  		v_1 := v.Args[1]
  8910  		if v_1.Op != OpConst32 {
  8911  			break
  8912  		}
  8913  		c := v_1.AuxInt
  8914  		v.reset(OpRsh64Ux64)
  8915  		v.AddArg(x)
  8916  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8917  		v0.AuxInt = int64(uint32(c))
  8918  		v.AddArg(v0)
  8919  		return true
  8920  	}
  8921  	// match: (Rsh64Ux32 (Const64 [0]) _)
  8922  	// cond:
  8923  	// result: (Const64 [0])
  8924  	for {
  8925  		v_0 := v.Args[0]
  8926  		if v_0.Op != OpConst64 {
  8927  			break
  8928  		}
  8929  		if v_0.AuxInt != 0 {
  8930  			break
  8931  		}
  8932  		v.reset(OpConst64)
  8933  		v.AuxInt = 0
  8934  		return true
  8935  	}
  8936  	return false
  8937  }
  8938  func rewriteValuegeneric_OpRsh64Ux64(v *Value, config *Config) bool {
  8939  	b := v.Block
  8940  	_ = b
  8941  	// match: (Rsh64Ux64 (Const64 [c]) (Const64 [d]))
  8942  	// cond:
  8943  	// result: (Const64 [int64(uint64(c) >> uint64(d))])
  8944  	for {
  8945  		v_0 := v.Args[0]
  8946  		if v_0.Op != OpConst64 {
  8947  			break
  8948  		}
  8949  		c := v_0.AuxInt
  8950  		v_1 := v.Args[1]
  8951  		if v_1.Op != OpConst64 {
  8952  			break
  8953  		}
  8954  		d := v_1.AuxInt
  8955  		v.reset(OpConst64)
  8956  		v.AuxInt = int64(uint64(c) >> uint64(d))
  8957  		return true
  8958  	}
  8959  	// match: (Rsh64Ux64 x (Const64 [0]))
  8960  	// cond:
  8961  	// result: x
  8962  	for {
  8963  		x := v.Args[0]
  8964  		v_1 := v.Args[1]
  8965  		if v_1.Op != OpConst64 {
  8966  			break
  8967  		}
  8968  		if v_1.AuxInt != 0 {
  8969  			break
  8970  		}
  8971  		v.reset(OpCopy)
  8972  		v.Type = x.Type
  8973  		v.AddArg(x)
  8974  		return true
  8975  	}
  8976  	// match: (Rsh64Ux64 (Const64 [0]) _)
  8977  	// cond:
  8978  	// result: (Const64 [0])
  8979  	for {
  8980  		v_0 := v.Args[0]
  8981  		if v_0.Op != OpConst64 {
  8982  			break
  8983  		}
  8984  		if v_0.AuxInt != 0 {
  8985  			break
  8986  		}
  8987  		v.reset(OpConst64)
  8988  		v.AuxInt = 0
  8989  		return true
  8990  	}
  8991  	// match: (Rsh64Ux64 _ (Const64 [c]))
  8992  	// cond: uint64(c) >= 64
  8993  	// result: (Const64 [0])
  8994  	for {
  8995  		v_1 := v.Args[1]
  8996  		if v_1.Op != OpConst64 {
  8997  			break
  8998  		}
  8999  		c := v_1.AuxInt
  9000  		if !(uint64(c) >= 64) {
  9001  			break
  9002  		}
  9003  		v.reset(OpConst64)
  9004  		v.AuxInt = 0
  9005  		return true
  9006  	}
  9007  	// match: (Rsh64Ux64 <t> (Rsh64Ux64 x (Const64 [c])) (Const64 [d]))
  9008  	// cond: !uaddOvf(c,d)
  9009  	// result: (Rsh64Ux64 x (Const64 <t> [c+d]))
  9010  	for {
  9011  		t := v.Type
  9012  		v_0 := v.Args[0]
  9013  		if v_0.Op != OpRsh64Ux64 {
  9014  			break
  9015  		}
  9016  		x := v_0.Args[0]
  9017  		v_0_1 := v_0.Args[1]
  9018  		if v_0_1.Op != OpConst64 {
  9019  			break
  9020  		}
  9021  		c := v_0_1.AuxInt
  9022  		v_1 := v.Args[1]
  9023  		if v_1.Op != OpConst64 {
  9024  			break
  9025  		}
  9026  		d := v_1.AuxInt
  9027  		if !(!uaddOvf(c, d)) {
  9028  			break
  9029  		}
  9030  		v.reset(OpRsh64Ux64)
  9031  		v.AddArg(x)
  9032  		v0 := b.NewValue0(v.Line, OpConst64, t)
  9033  		v0.AuxInt = c + d
  9034  		v.AddArg(v0)
  9035  		return true
  9036  	}
  9037  	// match: (Rsh64Ux64 (Lsh64x64 (Rsh64Ux64 x (Const64 [c1])) (Const64 [c2])) (Const64 [c3]))
  9038  	// cond: uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)
  9039  	// result: (Rsh64Ux64 x (Const64 <config.fe.TypeUInt64()> [c1-c2+c3]))
  9040  	for {
  9041  		v_0 := v.Args[0]
  9042  		if v_0.Op != OpLsh64x64 {
  9043  			break
  9044  		}
  9045  		v_0_0 := v_0.Args[0]
  9046  		if v_0_0.Op != OpRsh64Ux64 {
  9047  			break
  9048  		}
  9049  		x := v_0_0.Args[0]
  9050  		v_0_0_1 := v_0_0.Args[1]
  9051  		if v_0_0_1.Op != OpConst64 {
  9052  			break
  9053  		}
  9054  		c1 := v_0_0_1.AuxInt
  9055  		v_0_1 := v_0.Args[1]
  9056  		if v_0_1.Op != OpConst64 {
  9057  			break
  9058  		}
  9059  		c2 := v_0_1.AuxInt
  9060  		v_1 := v.Args[1]
  9061  		if v_1.Op != OpConst64 {
  9062  			break
  9063  		}
  9064  		c3 := v_1.AuxInt
  9065  		if !(uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)) {
  9066  			break
  9067  		}
  9068  		v.reset(OpRsh64Ux64)
  9069  		v.AddArg(x)
  9070  		v0 := b.NewValue0(v.Line, OpConst64, config.fe.TypeUInt64())
  9071  		v0.AuxInt = c1 - c2 + c3
  9072  		v.AddArg(v0)
  9073  		return true
  9074  	}
  9075  	return false
  9076  }
  9077  func rewriteValuegeneric_OpRsh64Ux8(v *Value, config *Config) bool {
  9078  	b := v.Block
  9079  	_ = b
  9080  	// match: (Rsh64Ux8  <t> x (Const8  [c]))
  9081  	// cond:
  9082  	// result: (Rsh64Ux64 x (Const64 <t> [int64(uint8(c))]))
  9083  	for {
  9084  		t := v.Type
  9085  		x := v.Args[0]
  9086  		v_1 := v.Args[1]
  9087  		if v_1.Op != OpConst8 {
  9088  			break
  9089  		}
  9090  		c := v_1.AuxInt
  9091  		v.reset(OpRsh64Ux64)
  9092  		v.AddArg(x)
  9093  		v0 := b.NewValue0(v.Line, OpConst64, t)
  9094  		v0.AuxInt = int64(uint8(c))
  9095  		v.AddArg(v0)
  9096  		return true
  9097  	}
  9098  	// match: (Rsh64Ux8 (Const64 [0]) _)
  9099  	// cond:
  9100  	// result: (Const64 [0])
  9101  	for {
  9102  		v_0 := v.Args[0]
  9103  		if v_0.Op != OpConst64 {
  9104  			break
  9105  		}
  9106  		if v_0.AuxInt != 0 {
  9107  			break
  9108  		}
  9109  		v.reset(OpConst64)
  9110  		v.AuxInt = 0
  9111  		return true
  9112  	}
  9113  	return false
  9114  }
  9115  func rewriteValuegeneric_OpRsh64x16(v *Value, config *Config) bool {
  9116  	b := v.Block
  9117  	_ = b
  9118  	// match: (Rsh64x16  <t> x (Const16 [c]))
  9119  	// cond:
  9120  	// result: (Rsh64x64  x (Const64 <t> [int64(uint16(c))]))
  9121  	for {
  9122  		t := v.Type
  9123  		x := v.Args[0]
  9124  		v_1 := v.Args[1]
  9125  		if v_1.Op != OpConst16 {
  9126  			break
  9127  		}
  9128  		c := v_1.AuxInt
  9129  		v.reset(OpRsh64x64)
  9130  		v.AddArg(x)
  9131  		v0 := b.NewValue0(v.Line, OpConst64, t)
  9132  		v0.AuxInt = int64(uint16(c))
  9133  		v.AddArg(v0)
  9134  		return true
  9135  	}
  9136  	// match: (Rsh64x16  (Const64 [0]) _)
  9137  	// cond:
  9138  	// result: (Const64 [0])
  9139  	for {
  9140  		v_0 := v.Args[0]
  9141  		if v_0.Op != OpConst64 {
  9142  			break
  9143  		}
  9144  		if v_0.AuxInt != 0 {
  9145  			break
  9146  		}
  9147  		v.reset(OpConst64)
  9148  		v.AuxInt = 0
  9149  		return true
  9150  	}
  9151  	return false
  9152  }
  9153  func rewriteValuegeneric_OpRsh64x32(v *Value, config *Config) bool {
  9154  	b := v.Block
  9155  	_ = b
  9156  	// match: (Rsh64x32  <t> x (Const32 [c]))
  9157  	// cond:
  9158  	// result: (Rsh64x64  x (Const64 <t> [int64(uint32(c))]))
  9159  	for {
  9160  		t := v.Type
  9161  		x := v.Args[0]
  9162  		v_1 := v.Args[1]
  9163  		if v_1.Op != OpConst32 {
  9164  			break
  9165  		}
  9166  		c := v_1.AuxInt
  9167  		v.reset(OpRsh64x64)
  9168  		v.AddArg(x)
  9169  		v0 := b.NewValue0(v.Line, OpConst64, t)
  9170  		v0.AuxInt = int64(uint32(c))
  9171  		v.AddArg(v0)
  9172  		return true
  9173  	}
  9174  	// match: (Rsh64x32  (Const64 [0]) _)
  9175  	// cond:
  9176  	// result: (Const64 [0])
  9177  	for {
  9178  		v_0 := v.Args[0]
  9179  		if v_0.Op != OpConst64 {
  9180  			break
  9181  		}
  9182  		if v_0.AuxInt != 0 {
  9183  			break
  9184  		}
  9185  		v.reset(OpConst64)
  9186  		v.AuxInt = 0
  9187  		return true
  9188  	}
  9189  	return false
  9190  }
  9191  func rewriteValuegeneric_OpRsh64x64(v *Value, config *Config) bool {
  9192  	b := v.Block
  9193  	_ = b
  9194  	// match: (Rsh64x64  (Const64 [c]) (Const64 [d]))
  9195  	// cond:
  9196  	// result: (Const64 [c >> uint64(d)])
  9197  	for {
  9198  		v_0 := v.Args[0]
  9199  		if v_0.Op != OpConst64 {
  9200  			break
  9201  		}
  9202  		c := v_0.AuxInt
  9203  		v_1 := v.Args[1]
  9204  		if v_1.Op != OpConst64 {
  9205  			break
  9206  		}
  9207  		d := v_1.AuxInt
  9208  		v.reset(OpConst64)
  9209  		v.AuxInt = c >> uint64(d)
  9210  		return true
  9211  	}
  9212  	// match: (Rsh64x64  x (Const64 [0]))
  9213  	// cond:
  9214  	// result: x
  9215  	for {
  9216  		x := v.Args[0]
  9217  		v_1 := v.Args[1]
  9218  		if v_1.Op != OpConst64 {
  9219  			break
  9220  		}
  9221  		if v_1.AuxInt != 0 {
  9222  			break
  9223  		}
  9224  		v.reset(OpCopy)
  9225  		v.Type = x.Type
  9226  		v.AddArg(x)
  9227  		return true
  9228  	}
  9229  	// match: (Rsh64x64  (Const64 [0]) _)
  9230  	// cond:
  9231  	// result: (Const64 [0])
  9232  	for {
  9233  		v_0 := v.Args[0]
  9234  		if v_0.Op != OpConst64 {
  9235  			break
  9236  		}
  9237  		if v_0.AuxInt != 0 {
  9238  			break
  9239  		}
  9240  		v.reset(OpConst64)
  9241  		v.AuxInt = 0
  9242  		return true
  9243  	}
  9244  	// match: (Rsh64x64 <t> (Rsh64x64 x (Const64 [c])) (Const64 [d]))
  9245  	// cond: !uaddOvf(c,d)
  9246  	// result: (Rsh64x64 x (Const64 <t> [c+d]))
  9247  	for {
  9248  		t := v.Type
  9249  		v_0 := v.Args[0]
  9250  		if v_0.Op != OpRsh64x64 {
  9251  			break
  9252  		}
  9253  		x := v_0.Args[0]
  9254  		v_0_1 := v_0.Args[1]
  9255  		if v_0_1.Op != OpConst64 {
  9256  			break
  9257  		}
  9258  		c := v_0_1.AuxInt
  9259  		v_1 := v.Args[1]
  9260  		if v_1.Op != OpConst64 {
  9261  			break
  9262  		}
  9263  		d := v_1.AuxInt
  9264  		if !(!uaddOvf(c, d)) {
  9265  			break
  9266  		}
  9267  		v.reset(OpRsh64x64)
  9268  		v.AddArg(x)
  9269  		v0 := b.NewValue0(v.Line, OpConst64, t)
  9270  		v0.AuxInt = c + d
  9271  		v.AddArg(v0)
  9272  		return true
  9273  	}
  9274  	return false
  9275  }
  9276  func rewriteValuegeneric_OpRsh64x8(v *Value, config *Config) bool {
  9277  	b := v.Block
  9278  	_ = b
  9279  	// match: (Rsh64x8   <t> x (Const8  [c]))
  9280  	// cond:
  9281  	// result: (Rsh64x64  x (Const64 <t> [int64(uint8(c))]))
  9282  	for {
  9283  		t := v.Type
  9284  		x := v.Args[0]
  9285  		v_1 := v.Args[1]
  9286  		if v_1.Op != OpConst8 {
  9287  			break
  9288  		}
  9289  		c := v_1.AuxInt
  9290  		v.reset(OpRsh64x64)
  9291  		v.AddArg(x)
  9292  		v0 := b.NewValue0(v.Line, OpConst64, t)
  9293  		v0.AuxInt = int64(uint8(c))
  9294  		v.AddArg(v0)
  9295  		return true
  9296  	}
  9297  	// match: (Rsh64x8  (Const64 [0]) _)
  9298  	// cond:
  9299  	// result: (Const64 [0])
  9300  	for {
  9301  		v_0 := v.Args[0]
  9302  		if v_0.Op != OpConst64 {
  9303  			break
  9304  		}
  9305  		if v_0.AuxInt != 0 {
  9306  			break
  9307  		}
  9308  		v.reset(OpConst64)
  9309  		v.AuxInt = 0
  9310  		return true
  9311  	}
  9312  	return false
  9313  }
  9314  func rewriteValuegeneric_OpRsh8Ux16(v *Value, config *Config) bool {
  9315  	b := v.Block
  9316  	_ = b
  9317  	// match: (Rsh8Ux16 <t> x (Const16 [c]))
  9318  	// cond:
  9319  	// result: (Rsh8Ux64 x (Const64 <t> [int64(uint16(c))]))
  9320  	for {
  9321  		t := v.Type
  9322  		x := v.Args[0]
  9323  		v_1 := v.Args[1]
  9324  		if v_1.Op != OpConst16 {
  9325  			break
  9326  		}
  9327  		c := v_1.AuxInt
  9328  		v.reset(OpRsh8Ux64)
  9329  		v.AddArg(x)
  9330  		v0 := b.NewValue0(v.Line, OpConst64, t)
  9331  		v0.AuxInt = int64(uint16(c))
  9332  		v.AddArg(v0)
  9333  		return true
  9334  	}
  9335  	// match: (Rsh8Ux16  (Const8 [0]) _)
  9336  	// cond:
  9337  	// result: (Const8  [0])
  9338  	for {
  9339  		v_0 := v.Args[0]
  9340  		if v_0.Op != OpConst8 {
  9341  			break
  9342  		}
  9343  		if v_0.AuxInt != 0 {
  9344  			break
  9345  		}
  9346  		v.reset(OpConst8)
  9347  		v.AuxInt = 0
  9348  		return true
  9349  	}
  9350  	return false
  9351  }
  9352  func rewriteValuegeneric_OpRsh8Ux32(v *Value, config *Config) bool {
  9353  	b := v.Block
  9354  	_ = b
  9355  	// match: (Rsh8Ux32 <t> x (Const32 [c]))
  9356  	// cond:
  9357  	// result: (Rsh8Ux64 x (Const64 <t> [int64(uint32(c))]))
  9358  	for {
  9359  		t := v.Type
  9360  		x := v.Args[0]
  9361  		v_1 := v.Args[1]
  9362  		if v_1.Op != OpConst32 {
  9363  			break
  9364  		}
  9365  		c := v_1.AuxInt
  9366  		v.reset(OpRsh8Ux64)
  9367  		v.AddArg(x)
  9368  		v0 := b.NewValue0(v.Line, OpConst64, t)
  9369  		v0.AuxInt = int64(uint32(c))
  9370  		v.AddArg(v0)
  9371  		return true
  9372  	}
  9373  	// match: (Rsh8Ux32  (Const8 [0]) _)
  9374  	// cond:
  9375  	// result: (Const8  [0])
  9376  	for {
  9377  		v_0 := v.Args[0]
  9378  		if v_0.Op != OpConst8 {
  9379  			break
  9380  		}
  9381  		if v_0.AuxInt != 0 {
  9382  			break
  9383  		}
  9384  		v.reset(OpConst8)
  9385  		v.AuxInt = 0
  9386  		return true
  9387  	}
  9388  	return false
  9389  }
  9390  func rewriteValuegeneric_OpRsh8Ux64(v *Value, config *Config) bool {
  9391  	b := v.Block
  9392  	_ = b
  9393  	// match: (Rsh8Ux64  (Const8  [c]) (Const64 [d]))
  9394  	// cond:
  9395  	// result: (Const8  [int64(int8(uint8(c) >> uint64(d)))])
  9396  	for {
  9397  		v_0 := v.Args[0]
  9398  		if v_0.Op != OpConst8 {
  9399  			break
  9400  		}
  9401  		c := v_0.AuxInt
  9402  		v_1 := v.Args[1]
  9403  		if v_1.Op != OpConst64 {
  9404  			break
  9405  		}
  9406  		d := v_1.AuxInt
  9407  		v.reset(OpConst8)
  9408  		v.AuxInt = int64(int8(uint8(c) >> uint64(d)))
  9409  		return true
  9410  	}
  9411  	// match: (Rsh8Ux64  x (Const64 [0]))
  9412  	// cond:
  9413  	// result: x
  9414  	for {
  9415  		x := v.Args[0]
  9416  		v_1 := v.Args[1]
  9417  		if v_1.Op != OpConst64 {
  9418  			break
  9419  		}
  9420  		if v_1.AuxInt != 0 {
  9421  			break
  9422  		}
  9423  		v.reset(OpCopy)
  9424  		v.Type = x.Type
  9425  		v.AddArg(x)
  9426  		return true
  9427  	}
  9428  	// match: (Rsh8Ux64  (Const8 [0]) _)
  9429  	// cond:
  9430  	// result: (Const8  [0])
  9431  	for {
  9432  		v_0 := v.Args[0]
  9433  		if v_0.Op != OpConst8 {
  9434  			break
  9435  		}
  9436  		if v_0.AuxInt != 0 {
  9437  			break
  9438  		}
  9439  		v.reset(OpConst8)
  9440  		v.AuxInt = 0
  9441  		return true
  9442  	}
  9443  	// match: (Rsh8Ux64  _ (Const64 [c]))
  9444  	// cond: uint64(c) >= 8
  9445  	// result: (Const8  [0])
  9446  	for {
  9447  		v_1 := v.Args[1]
  9448  		if v_1.Op != OpConst64 {
  9449  			break
  9450  		}
  9451  		c := v_1.AuxInt
  9452  		if !(uint64(c) >= 8) {
  9453  			break
  9454  		}
  9455  		v.reset(OpConst8)
  9456  		v.AuxInt = 0
  9457  		return true
  9458  	}
  9459  	// match: (Rsh8Ux64  <t> (Rsh8Ux64  x (Const64 [c])) (Const64 [d]))
  9460  	// cond: !uaddOvf(c,d)
  9461  	// result: (Rsh8Ux64  x (Const64 <t> [c+d]))
  9462  	for {
  9463  		t := v.Type
  9464  		v_0 := v.Args[0]
  9465  		if v_0.Op != OpRsh8Ux64 {
  9466  			break
  9467  		}
  9468  		x := v_0.Args[0]
  9469  		v_0_1 := v_0.Args[1]
  9470  		if v_0_1.Op != OpConst64 {
  9471  			break
  9472  		}
  9473  		c := v_0_1.AuxInt
  9474  		v_1 := v.Args[1]
  9475  		if v_1.Op != OpConst64 {
  9476  			break
  9477  		}
  9478  		d := v_1.AuxInt
  9479  		if !(!uaddOvf(c, d)) {
  9480  			break
  9481  		}
  9482  		v.reset(OpRsh8Ux64)
  9483  		v.AddArg(x)
  9484  		v0 := b.NewValue0(v.Line, OpConst64, t)
  9485  		v0.AuxInt = c + d
  9486  		v.AddArg(v0)
  9487  		return true
  9488  	}
  9489  	// match: (Rsh8Ux64 (Lsh8x64 (Rsh8Ux64 x (Const64 [c1])) (Const64 [c2])) (Const64 [c3]))
  9490  	// cond: uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)
  9491  	// result: (Rsh8Ux64 x (Const64 <config.fe.TypeUInt64()> [c1-c2+c3]))
  9492  	for {
  9493  		v_0 := v.Args[0]
  9494  		if v_0.Op != OpLsh8x64 {
  9495  			break
  9496  		}
  9497  		v_0_0 := v_0.Args[0]
  9498  		if v_0_0.Op != OpRsh8Ux64 {
  9499  			break
  9500  		}
  9501  		x := v_0_0.Args[0]
  9502  		v_0_0_1 := v_0_0.Args[1]
  9503  		if v_0_0_1.Op != OpConst64 {
  9504  			break
  9505  		}
  9506  		c1 := v_0_0_1.AuxInt
  9507  		v_0_1 := v_0.Args[1]
  9508  		if v_0_1.Op != OpConst64 {
  9509  			break
  9510  		}
  9511  		c2 := v_0_1.AuxInt
  9512  		v_1 := v.Args[1]
  9513  		if v_1.Op != OpConst64 {
  9514  			break
  9515  		}
  9516  		c3 := v_1.AuxInt
  9517  		if !(uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)) {
  9518  			break
  9519  		}
  9520  		v.reset(OpRsh8Ux64)
  9521  		v.AddArg(x)
  9522  		v0 := b.NewValue0(v.Line, OpConst64, config.fe.TypeUInt64())
  9523  		v0.AuxInt = c1 - c2 + c3
  9524  		v.AddArg(v0)
  9525  		return true
  9526  	}
  9527  	return false
  9528  }
  9529  func rewriteValuegeneric_OpRsh8Ux8(v *Value, config *Config) bool {
  9530  	b := v.Block
  9531  	_ = b
  9532  	// match: (Rsh8Ux8  <t> x (Const8  [c]))
  9533  	// cond:
  9534  	// result: (Rsh8Ux64 x (Const64 <t> [int64(uint8(c))]))
  9535  	for {
  9536  		t := v.Type
  9537  		x := v.Args[0]
  9538  		v_1 := v.Args[1]
  9539  		if v_1.Op != OpConst8 {
  9540  			break
  9541  		}
  9542  		c := v_1.AuxInt
  9543  		v.reset(OpRsh8Ux64)
  9544  		v.AddArg(x)
  9545  		v0 := b.NewValue0(v.Line, OpConst64, t)
  9546  		v0.AuxInt = int64(uint8(c))
  9547  		v.AddArg(v0)
  9548  		return true
  9549  	}
  9550  	// match: (Rsh8Ux8  (Const8 [0]) _)
  9551  	// cond:
  9552  	// result: (Const8  [0])
  9553  	for {
  9554  		v_0 := v.Args[0]
  9555  		if v_0.Op != OpConst8 {
  9556  			break
  9557  		}
  9558  		if v_0.AuxInt != 0 {
  9559  			break
  9560  		}
  9561  		v.reset(OpConst8)
  9562  		v.AuxInt = 0
  9563  		return true
  9564  	}
  9565  	return false
  9566  }
  9567  func rewriteValuegeneric_OpRsh8x16(v *Value, config *Config) bool {
  9568  	b := v.Block
  9569  	_ = b
  9570  	// match: (Rsh8x16  <t> x (Const16 [c]))
  9571  	// cond:
  9572  	// result: (Rsh8x64  x (Const64 <t> [int64(uint16(c))]))
  9573  	for {
  9574  		t := v.Type
  9575  		x := v.Args[0]
  9576  		v_1 := v.Args[1]
  9577  		if v_1.Op != OpConst16 {
  9578  			break
  9579  		}
  9580  		c := v_1.AuxInt
  9581  		v.reset(OpRsh8x64)
  9582  		v.AddArg(x)
  9583  		v0 := b.NewValue0(v.Line, OpConst64, t)
  9584  		v0.AuxInt = int64(uint16(c))
  9585  		v.AddArg(v0)
  9586  		return true
  9587  	}
  9588  	// match: (Rsh8x16   (Const8 [0]) _)
  9589  	// cond:
  9590  	// result: (Const8  [0])
  9591  	for {
  9592  		v_0 := v.Args[0]
  9593  		if v_0.Op != OpConst8 {
  9594  			break
  9595  		}
  9596  		if v_0.AuxInt != 0 {
  9597  			break
  9598  		}
  9599  		v.reset(OpConst8)
  9600  		v.AuxInt = 0
  9601  		return true
  9602  	}
  9603  	return false
  9604  }
  9605  func rewriteValuegeneric_OpRsh8x32(v *Value, config *Config) bool {
  9606  	b := v.Block
  9607  	_ = b
  9608  	// match: (Rsh8x32  <t> x (Const32 [c]))
  9609  	// cond:
  9610  	// result: (Rsh8x64  x (Const64 <t> [int64(uint32(c))]))
  9611  	for {
  9612  		t := v.Type
  9613  		x := v.Args[0]
  9614  		v_1 := v.Args[1]
  9615  		if v_1.Op != OpConst32 {
  9616  			break
  9617  		}
  9618  		c := v_1.AuxInt
  9619  		v.reset(OpRsh8x64)
  9620  		v.AddArg(x)
  9621  		v0 := b.NewValue0(v.Line, OpConst64, t)
  9622  		v0.AuxInt = int64(uint32(c))
  9623  		v.AddArg(v0)
  9624  		return true
  9625  	}
  9626  	// match: (Rsh8x32   (Const8 [0]) _)
  9627  	// cond:
  9628  	// result: (Const8  [0])
  9629  	for {
  9630  		v_0 := v.Args[0]
  9631  		if v_0.Op != OpConst8 {
  9632  			break
  9633  		}
  9634  		if v_0.AuxInt != 0 {
  9635  			break
  9636  		}
  9637  		v.reset(OpConst8)
  9638  		v.AuxInt = 0
  9639  		return true
  9640  	}
  9641  	return false
  9642  }
  9643  func rewriteValuegeneric_OpRsh8x64(v *Value, config *Config) bool {
  9644  	b := v.Block
  9645  	_ = b
  9646  	// match: (Rsh8x64   (Const8  [c]) (Const64 [d]))
  9647  	// cond:
  9648  	// result: (Const8  [int64(int8(c) >> uint64(d))])
  9649  	for {
  9650  		v_0 := v.Args[0]
  9651  		if v_0.Op != OpConst8 {
  9652  			break
  9653  		}
  9654  		c := v_0.AuxInt
  9655  		v_1 := v.Args[1]
  9656  		if v_1.Op != OpConst64 {
  9657  			break
  9658  		}
  9659  		d := v_1.AuxInt
  9660  		v.reset(OpConst8)
  9661  		v.AuxInt = int64(int8(c) >> uint64(d))
  9662  		return true
  9663  	}
  9664  	// match: (Rsh8x64   x (Const64 [0]))
  9665  	// cond:
  9666  	// result: x
  9667  	for {
  9668  		x := v.Args[0]
  9669  		v_1 := v.Args[1]
  9670  		if v_1.Op != OpConst64 {
  9671  			break
  9672  		}
  9673  		if v_1.AuxInt != 0 {
  9674  			break
  9675  		}
  9676  		v.reset(OpCopy)
  9677  		v.Type = x.Type
  9678  		v.AddArg(x)
  9679  		return true
  9680  	}
  9681  	// match: (Rsh8x64   (Const8 [0]) _)
  9682  	// cond:
  9683  	// result: (Const8  [0])
  9684  	for {
  9685  		v_0 := v.Args[0]
  9686  		if v_0.Op != OpConst8 {
  9687  			break
  9688  		}
  9689  		if v_0.AuxInt != 0 {
  9690  			break
  9691  		}
  9692  		v.reset(OpConst8)
  9693  		v.AuxInt = 0
  9694  		return true
  9695  	}
  9696  	// match: (Rsh8x64  <t> (Rsh8x64  x (Const64 [c])) (Const64 [d]))
  9697  	// cond: !uaddOvf(c,d)
  9698  	// result: (Rsh8x64  x (Const64 <t> [c+d]))
  9699  	for {
  9700  		t := v.Type
  9701  		v_0 := v.Args[0]
  9702  		if v_0.Op != OpRsh8x64 {
  9703  			break
  9704  		}
  9705  		x := v_0.Args[0]
  9706  		v_0_1 := v_0.Args[1]
  9707  		if v_0_1.Op != OpConst64 {
  9708  			break
  9709  		}
  9710  		c := v_0_1.AuxInt
  9711  		v_1 := v.Args[1]
  9712  		if v_1.Op != OpConst64 {
  9713  			break
  9714  		}
  9715  		d := v_1.AuxInt
  9716  		if !(!uaddOvf(c, d)) {
  9717  			break
  9718  		}
  9719  		v.reset(OpRsh8x64)
  9720  		v.AddArg(x)
  9721  		v0 := b.NewValue0(v.Line, OpConst64, t)
  9722  		v0.AuxInt = c + d
  9723  		v.AddArg(v0)
  9724  		return true
  9725  	}
  9726  	return false
  9727  }
  9728  func rewriteValuegeneric_OpRsh8x8(v *Value, config *Config) bool {
  9729  	b := v.Block
  9730  	_ = b
  9731  	// match: (Rsh8x8   <t> x (Const8  [c]))
  9732  	// cond:
  9733  	// result: (Rsh8x64  x (Const64 <t> [int64(uint8(c))]))
  9734  	for {
  9735  		t := v.Type
  9736  		x := v.Args[0]
  9737  		v_1 := v.Args[1]
  9738  		if v_1.Op != OpConst8 {
  9739  			break
  9740  		}
  9741  		c := v_1.AuxInt
  9742  		v.reset(OpRsh8x64)
  9743  		v.AddArg(x)
  9744  		v0 := b.NewValue0(v.Line, OpConst64, t)
  9745  		v0.AuxInt = int64(uint8(c))
  9746  		v.AddArg(v0)
  9747  		return true
  9748  	}
  9749  	// match: (Rsh8x8   (Const8 [0]) _)
  9750  	// cond:
  9751  	// result: (Const8  [0])
  9752  	for {
  9753  		v_0 := v.Args[0]
  9754  		if v_0.Op != OpConst8 {
  9755  			break
  9756  		}
  9757  		if v_0.AuxInt != 0 {
  9758  			break
  9759  		}
  9760  		v.reset(OpConst8)
  9761  		v.AuxInt = 0
  9762  		return true
  9763  	}
  9764  	return false
  9765  }
  9766  func rewriteValuegeneric_OpSignExt16to32(v *Value, config *Config) bool {
  9767  	b := v.Block
  9768  	_ = b
  9769  	// match: (SignExt16to32 (Trunc32to16 x:(Rsh32x64 _ (Const64 [s]))))
  9770  	// cond: s >= 16
  9771  	// result: x
  9772  	for {
  9773  		v_0 := v.Args[0]
  9774  		if v_0.Op != OpTrunc32to16 {
  9775  			break
  9776  		}
  9777  		x := v_0.Args[0]
  9778  		if x.Op != OpRsh32x64 {
  9779  			break
  9780  		}
  9781  		x_1 := x.Args[1]
  9782  		if x_1.Op != OpConst64 {
  9783  			break
  9784  		}
  9785  		s := x_1.AuxInt
  9786  		if !(s >= 16) {
  9787  			break
  9788  		}
  9789  		v.reset(OpCopy)
  9790  		v.Type = x.Type
  9791  		v.AddArg(x)
  9792  		return true
  9793  	}
  9794  	return false
  9795  }
  9796  func rewriteValuegeneric_OpSignExt16to64(v *Value, config *Config) bool {
  9797  	b := v.Block
  9798  	_ = b
  9799  	// match: (SignExt16to64 (Trunc64to16 x:(Rsh64x64 _ (Const64 [s]))))
  9800  	// cond: s >= 48
  9801  	// result: x
  9802  	for {
  9803  		v_0 := v.Args[0]
  9804  		if v_0.Op != OpTrunc64to16 {
  9805  			break
  9806  		}
  9807  		x := v_0.Args[0]
  9808  		if x.Op != OpRsh64x64 {
  9809  			break
  9810  		}
  9811  		x_1 := x.Args[1]
  9812  		if x_1.Op != OpConst64 {
  9813  			break
  9814  		}
  9815  		s := x_1.AuxInt
  9816  		if !(s >= 48) {
  9817  			break
  9818  		}
  9819  		v.reset(OpCopy)
  9820  		v.Type = x.Type
  9821  		v.AddArg(x)
  9822  		return true
  9823  	}
  9824  	return false
  9825  }
  9826  func rewriteValuegeneric_OpSignExt32to64(v *Value, config *Config) bool {
  9827  	b := v.Block
  9828  	_ = b
  9829  	// match: (SignExt32to64 (Trunc64to32 x:(Rsh64x64 _ (Const64 [s]))))
  9830  	// cond: s >= 32
  9831  	// result: x
  9832  	for {
  9833  		v_0 := v.Args[0]
  9834  		if v_0.Op != OpTrunc64to32 {
  9835  			break
  9836  		}
  9837  		x := v_0.Args[0]
  9838  		if x.Op != OpRsh64x64 {
  9839  			break
  9840  		}
  9841  		x_1 := x.Args[1]
  9842  		if x_1.Op != OpConst64 {
  9843  			break
  9844  		}
  9845  		s := x_1.AuxInt
  9846  		if !(s >= 32) {
  9847  			break
  9848  		}
  9849  		v.reset(OpCopy)
  9850  		v.Type = x.Type
  9851  		v.AddArg(x)
  9852  		return true
  9853  	}
  9854  	return false
  9855  }
  9856  func rewriteValuegeneric_OpSignExt8to16(v *Value, config *Config) bool {
  9857  	b := v.Block
  9858  	_ = b
  9859  	// match: (SignExt8to16  (Trunc16to8  x:(Rsh16x64 _ (Const64 [s]))))
  9860  	// cond: s >= 8
  9861  	// result: x
  9862  	for {
  9863  		v_0 := v.Args[0]
  9864  		if v_0.Op != OpTrunc16to8 {
  9865  			break
  9866  		}
  9867  		x := v_0.Args[0]
  9868  		if x.Op != OpRsh16x64 {
  9869  			break
  9870  		}
  9871  		x_1 := x.Args[1]
  9872  		if x_1.Op != OpConst64 {
  9873  			break
  9874  		}
  9875  		s := x_1.AuxInt
  9876  		if !(s >= 8) {
  9877  			break
  9878  		}
  9879  		v.reset(OpCopy)
  9880  		v.Type = x.Type
  9881  		v.AddArg(x)
  9882  		return true
  9883  	}
  9884  	return false
  9885  }
  9886  func rewriteValuegeneric_OpSignExt8to32(v *Value, config *Config) bool {
  9887  	b := v.Block
  9888  	_ = b
  9889  	// match: (SignExt8to32  (Trunc32to8  x:(Rsh32x64 _ (Const64 [s]))))
  9890  	// cond: s >= 24
  9891  	// result: x
  9892  	for {
  9893  		v_0 := v.Args[0]
  9894  		if v_0.Op != OpTrunc32to8 {
  9895  			break
  9896  		}
  9897  		x := v_0.Args[0]
  9898  		if x.Op != OpRsh32x64 {
  9899  			break
  9900  		}
  9901  		x_1 := x.Args[1]
  9902  		if x_1.Op != OpConst64 {
  9903  			break
  9904  		}
  9905  		s := x_1.AuxInt
  9906  		if !(s >= 24) {
  9907  			break
  9908  		}
  9909  		v.reset(OpCopy)
  9910  		v.Type = x.Type
  9911  		v.AddArg(x)
  9912  		return true
  9913  	}
  9914  	return false
  9915  }
  9916  func rewriteValuegeneric_OpSignExt8to64(v *Value, config *Config) bool {
  9917  	b := v.Block
  9918  	_ = b
  9919  	// match: (SignExt8to64  (Trunc64to8  x:(Rsh64x64 _ (Const64 [s]))))
  9920  	// cond: s >= 56
  9921  	// result: x
  9922  	for {
  9923  		v_0 := v.Args[0]
  9924  		if v_0.Op != OpTrunc64to8 {
  9925  			break
  9926  		}
  9927  		x := v_0.Args[0]
  9928  		if x.Op != OpRsh64x64 {
  9929  			break
  9930  		}
  9931  		x_1 := x.Args[1]
  9932  		if x_1.Op != OpConst64 {
  9933  			break
  9934  		}
  9935  		s := x_1.AuxInt
  9936  		if !(s >= 56) {
  9937  			break
  9938  		}
  9939  		v.reset(OpCopy)
  9940  		v.Type = x.Type
  9941  		v.AddArg(x)
  9942  		return true
  9943  	}
  9944  	return false
  9945  }
  9946  func rewriteValuegeneric_OpSliceCap(v *Value, config *Config) bool {
  9947  	b := v.Block
  9948  	_ = b
  9949  	// match: (SliceCap (SliceMake _ _ (Const64 <t> [c])))
  9950  	// cond:
  9951  	// result: (Const64 <t> [c])
  9952  	for {
  9953  		v_0 := v.Args[0]
  9954  		if v_0.Op != OpSliceMake {
  9955  			break
  9956  		}
  9957  		v_0_2 := v_0.Args[2]
  9958  		if v_0_2.Op != OpConst64 {
  9959  			break
  9960  		}
  9961  		t := v_0_2.Type
  9962  		c := v_0_2.AuxInt
  9963  		v.reset(OpConst64)
  9964  		v.Type = t
  9965  		v.AuxInt = c
  9966  		return true
  9967  	}
  9968  	// match: (SliceCap (SliceMake _ _ (Const32 <t> [c])))
  9969  	// cond:
  9970  	// result: (Const32 <t> [c])
  9971  	for {
  9972  		v_0 := v.Args[0]
  9973  		if v_0.Op != OpSliceMake {
  9974  			break
  9975  		}
  9976  		v_0_2 := v_0.Args[2]
  9977  		if v_0_2.Op != OpConst32 {
  9978  			break
  9979  		}
  9980  		t := v_0_2.Type
  9981  		c := v_0_2.AuxInt
  9982  		v.reset(OpConst32)
  9983  		v.Type = t
  9984  		v.AuxInt = c
  9985  		return true
  9986  	}
  9987  	// match: (SliceCap (SliceMake _ _ (SliceCap x)))
  9988  	// cond:
  9989  	// result: (SliceCap x)
  9990  	for {
  9991  		v_0 := v.Args[0]
  9992  		if v_0.Op != OpSliceMake {
  9993  			break
  9994  		}
  9995  		v_0_2 := v_0.Args[2]
  9996  		if v_0_2.Op != OpSliceCap {
  9997  			break
  9998  		}
  9999  		x := v_0_2.Args[0]
 10000  		v.reset(OpSliceCap)
 10001  		v.AddArg(x)
 10002  		return true
 10003  	}
 10004  	// match: (SliceCap (SliceMake _ _ (SliceLen x)))
 10005  	// cond:
 10006  	// result: (SliceLen x)
 10007  	for {
 10008  		v_0 := v.Args[0]
 10009  		if v_0.Op != OpSliceMake {
 10010  			break
 10011  		}
 10012  		v_0_2 := v_0.Args[2]
 10013  		if v_0_2.Op != OpSliceLen {
 10014  			break
 10015  		}
 10016  		x := v_0_2.Args[0]
 10017  		v.reset(OpSliceLen)
 10018  		v.AddArg(x)
 10019  		return true
 10020  	}
 10021  	return false
 10022  }
 10023  func rewriteValuegeneric_OpSliceLen(v *Value, config *Config) bool {
 10024  	b := v.Block
 10025  	_ = b
 10026  	// match: (SliceLen (SliceMake _ (Const64 <t> [c]) _))
 10027  	// cond:
 10028  	// result: (Const64 <t> [c])
 10029  	for {
 10030  		v_0 := v.Args[0]
 10031  		if v_0.Op != OpSliceMake {
 10032  			break
 10033  		}
 10034  		v_0_1 := v_0.Args[1]
 10035  		if v_0_1.Op != OpConst64 {
 10036  			break
 10037  		}
 10038  		t := v_0_1.Type
 10039  		c := v_0_1.AuxInt
 10040  		v.reset(OpConst64)
 10041  		v.Type = t
 10042  		v.AuxInt = c
 10043  		return true
 10044  	}
 10045  	// match: (SliceLen (SliceMake _ (Const32 <t> [c]) _))
 10046  	// cond:
 10047  	// result: (Const32 <t> [c])
 10048  	for {
 10049  		v_0 := v.Args[0]
 10050  		if v_0.Op != OpSliceMake {
 10051  			break
 10052  		}
 10053  		v_0_1 := v_0.Args[1]
 10054  		if v_0_1.Op != OpConst32 {
 10055  			break
 10056  		}
 10057  		t := v_0_1.Type
 10058  		c := v_0_1.AuxInt
 10059  		v.reset(OpConst32)
 10060  		v.Type = t
 10061  		v.AuxInt = c
 10062  		return true
 10063  	}
 10064  	// match: (SliceLen (SliceMake _ (SliceLen x) _))
 10065  	// cond:
 10066  	// result: (SliceLen x)
 10067  	for {
 10068  		v_0 := v.Args[0]
 10069  		if v_0.Op != OpSliceMake {
 10070  			break
 10071  		}
 10072  		v_0_1 := v_0.Args[1]
 10073  		if v_0_1.Op != OpSliceLen {
 10074  			break
 10075  		}
 10076  		x := v_0_1.Args[0]
 10077  		v.reset(OpSliceLen)
 10078  		v.AddArg(x)
 10079  		return true
 10080  	}
 10081  	return false
 10082  }
 10083  func rewriteValuegeneric_OpSlicePtr(v *Value, config *Config) bool {
 10084  	b := v.Block
 10085  	_ = b
 10086  	// match: (SlicePtr (SliceMake (SlicePtr x) _ _))
 10087  	// cond:
 10088  	// result: (SlicePtr x)
 10089  	for {
 10090  		v_0 := v.Args[0]
 10091  		if v_0.Op != OpSliceMake {
 10092  			break
 10093  		}
 10094  		v_0_0 := v_0.Args[0]
 10095  		if v_0_0.Op != OpSlicePtr {
 10096  			break
 10097  		}
 10098  		x := v_0_0.Args[0]
 10099  		v.reset(OpSlicePtr)
 10100  		v.AddArg(x)
 10101  		return true
 10102  	}
 10103  	return false
 10104  }
 10105  func rewriteValuegeneric_OpSlicemask(v *Value, config *Config) bool {
 10106  	b := v.Block
 10107  	_ = b
 10108  	// match: (Slicemask (Const32 [x]))
 10109  	// cond: x > 0
 10110  	// result: (Const32 [-1])
 10111  	for {
 10112  		v_0 := v.Args[0]
 10113  		if v_0.Op != OpConst32 {
 10114  			break
 10115  		}
 10116  		x := v_0.AuxInt
 10117  		if !(x > 0) {
 10118  			break
 10119  		}
 10120  		v.reset(OpConst32)
 10121  		v.AuxInt = -1
 10122  		return true
 10123  	}
 10124  	// match: (Slicemask (Const32 [0]))
 10125  	// cond:
 10126  	// result: (Const32 [0])
 10127  	for {
 10128  		v_0 := v.Args[0]
 10129  		if v_0.Op != OpConst32 {
 10130  			break
 10131  		}
 10132  		if v_0.AuxInt != 0 {
 10133  			break
 10134  		}
 10135  		v.reset(OpConst32)
 10136  		v.AuxInt = 0
 10137  		return true
 10138  	}
 10139  	// match: (Slicemask (Const64 [x]))
 10140  	// cond: x > 0
 10141  	// result: (Const64 [-1])
 10142  	for {
 10143  		v_0 := v.Args[0]
 10144  		if v_0.Op != OpConst64 {
 10145  			break
 10146  		}
 10147  		x := v_0.AuxInt
 10148  		if !(x > 0) {
 10149  			break
 10150  		}
 10151  		v.reset(OpConst64)
 10152  		v.AuxInt = -1
 10153  		return true
 10154  	}
 10155  	// match: (Slicemask (Const64 [0]))
 10156  	// cond:
 10157  	// result: (Const64 [0])
 10158  	for {
 10159  		v_0 := v.Args[0]
 10160  		if v_0.Op != OpConst64 {
 10161  			break
 10162  		}
 10163  		if v_0.AuxInt != 0 {
 10164  			break
 10165  		}
 10166  		v.reset(OpConst64)
 10167  		v.AuxInt = 0
 10168  		return true
 10169  	}
 10170  	return false
 10171  }
 10172  func rewriteValuegeneric_OpSqrt(v *Value, config *Config) bool {
 10173  	b := v.Block
 10174  	_ = b
 10175  	// match: (Sqrt (Const64F [c]))
 10176  	// cond:
 10177  	// result: (Const64F [f2i(math.Sqrt(i2f(c)))])
 10178  	for {
 10179  		v_0 := v.Args[0]
 10180  		if v_0.Op != OpConst64F {
 10181  			break
 10182  		}
 10183  		c := v_0.AuxInt
 10184  		v.reset(OpConst64F)
 10185  		v.AuxInt = f2i(math.Sqrt(i2f(c)))
 10186  		return true
 10187  	}
 10188  	return false
 10189  }
 10190  func rewriteValuegeneric_OpStore(v *Value, config *Config) bool {
 10191  	b := v.Block
 10192  	_ = b
 10193  	// match: (Store _ (StructMake0) mem)
 10194  	// cond:
 10195  	// result: mem
 10196  	for {
 10197  		v_1 := v.Args[1]
 10198  		if v_1.Op != OpStructMake0 {
 10199  			break
 10200  		}
 10201  		mem := v.Args[2]
 10202  		v.reset(OpCopy)
 10203  		v.Type = mem.Type
 10204  		v.AddArg(mem)
 10205  		return true
 10206  	}
 10207  	// match: (Store dst (StructMake1 <t> f0) mem)
 10208  	// cond:
 10209  	// result: (Store [t.FieldType(0).Size()] dst f0 mem)
 10210  	for {
 10211  		dst := v.Args[0]
 10212  		v_1 := v.Args[1]
 10213  		if v_1.Op != OpStructMake1 {
 10214  			break
 10215  		}
 10216  		t := v_1.Type
 10217  		f0 := v_1.Args[0]
 10218  		mem := v.Args[2]
 10219  		v.reset(OpStore)
 10220  		v.AuxInt = t.FieldType(0).Size()
 10221  		v.AddArg(dst)
 10222  		v.AddArg(f0)
 10223  		v.AddArg(mem)
 10224  		return true
 10225  	}
 10226  	// match: (Store dst (StructMake2 <t> f0 f1) mem)
 10227  	// cond:
 10228  	// result: (Store [t.FieldType(1).Size()]     (OffPtr <t.FieldType(1).PtrTo()> [t.FieldOff(1)] dst)     f1     (Store [t.FieldType(0).Size()] dst f0 mem))
 10229  	for {
 10230  		dst := v.Args[0]
 10231  		v_1 := v.Args[1]
 10232  		if v_1.Op != OpStructMake2 {
 10233  			break
 10234  		}
 10235  		t := v_1.Type
 10236  		f0 := v_1.Args[0]
 10237  		f1 := v_1.Args[1]
 10238  		mem := v.Args[2]
 10239  		v.reset(OpStore)
 10240  		v.AuxInt = t.FieldType(1).Size()
 10241  		v0 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(1).PtrTo())
 10242  		v0.AuxInt = t.FieldOff(1)
 10243  		v0.AddArg(dst)
 10244  		v.AddArg(v0)
 10245  		v.AddArg(f1)
 10246  		v1 := b.NewValue0(v.Line, OpStore, TypeMem)
 10247  		v1.AuxInt = t.FieldType(0).Size()
 10248  		v1.AddArg(dst)
 10249  		v1.AddArg(f0)
 10250  		v1.AddArg(mem)
 10251  		v.AddArg(v1)
 10252  		return true
 10253  	}
 10254  	// match: (Store dst (StructMake3 <t> f0 f1 f2) mem)
 10255  	// cond:
 10256  	// result: (Store [t.FieldType(2).Size()]     (OffPtr <t.FieldType(2).PtrTo()> [t.FieldOff(2)] dst)     f2     (Store [t.FieldType(1).Size()]       (OffPtr <t.FieldType(1).PtrTo()> [t.FieldOff(1)] dst)       f1       (Store [t.FieldType(0).Size()] dst f0 mem)))
 10257  	for {
 10258  		dst := v.Args[0]
 10259  		v_1 := v.Args[1]
 10260  		if v_1.Op != OpStructMake3 {
 10261  			break
 10262  		}
 10263  		t := v_1.Type
 10264  		f0 := v_1.Args[0]
 10265  		f1 := v_1.Args[1]
 10266  		f2 := v_1.Args[2]
 10267  		mem := v.Args[2]
 10268  		v.reset(OpStore)
 10269  		v.AuxInt = t.FieldType(2).Size()
 10270  		v0 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(2).PtrTo())
 10271  		v0.AuxInt = t.FieldOff(2)
 10272  		v0.AddArg(dst)
 10273  		v.AddArg(v0)
 10274  		v.AddArg(f2)
 10275  		v1 := b.NewValue0(v.Line, OpStore, TypeMem)
 10276  		v1.AuxInt = t.FieldType(1).Size()
 10277  		v2 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(1).PtrTo())
 10278  		v2.AuxInt = t.FieldOff(1)
 10279  		v2.AddArg(dst)
 10280  		v1.AddArg(v2)
 10281  		v1.AddArg(f1)
 10282  		v3 := b.NewValue0(v.Line, OpStore, TypeMem)
 10283  		v3.AuxInt = t.FieldType(0).Size()
 10284  		v3.AddArg(dst)
 10285  		v3.AddArg(f0)
 10286  		v3.AddArg(mem)
 10287  		v1.AddArg(v3)
 10288  		v.AddArg(v1)
 10289  		return true
 10290  	}
 10291  	// match: (Store dst (StructMake4 <t> f0 f1 f2 f3) mem)
 10292  	// cond:
 10293  	// result: (Store [t.FieldType(3).Size()]     (OffPtr <t.FieldType(3).PtrTo()> [t.FieldOff(3)] dst)     f3     (Store [t.FieldType(2).Size()]       (OffPtr <t.FieldType(2).PtrTo()> [t.FieldOff(2)] dst)       f2       (Store [t.FieldType(1).Size()]         (OffPtr <t.FieldType(1).PtrTo()> [t.FieldOff(1)] dst)         f1         (Store [t.FieldType(0).Size()] dst f0 mem))))
 10294  	for {
 10295  		dst := v.Args[0]
 10296  		v_1 := v.Args[1]
 10297  		if v_1.Op != OpStructMake4 {
 10298  			break
 10299  		}
 10300  		t := v_1.Type
 10301  		f0 := v_1.Args[0]
 10302  		f1 := v_1.Args[1]
 10303  		f2 := v_1.Args[2]
 10304  		f3 := v_1.Args[3]
 10305  		mem := v.Args[2]
 10306  		v.reset(OpStore)
 10307  		v.AuxInt = t.FieldType(3).Size()
 10308  		v0 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(3).PtrTo())
 10309  		v0.AuxInt = t.FieldOff(3)
 10310  		v0.AddArg(dst)
 10311  		v.AddArg(v0)
 10312  		v.AddArg(f3)
 10313  		v1 := b.NewValue0(v.Line, OpStore, TypeMem)
 10314  		v1.AuxInt = t.FieldType(2).Size()
 10315  		v2 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(2).PtrTo())
 10316  		v2.AuxInt = t.FieldOff(2)
 10317  		v2.AddArg(dst)
 10318  		v1.AddArg(v2)
 10319  		v1.AddArg(f2)
 10320  		v3 := b.NewValue0(v.Line, OpStore, TypeMem)
 10321  		v3.AuxInt = t.FieldType(1).Size()
 10322  		v4 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(1).PtrTo())
 10323  		v4.AuxInt = t.FieldOff(1)
 10324  		v4.AddArg(dst)
 10325  		v3.AddArg(v4)
 10326  		v3.AddArg(f1)
 10327  		v5 := b.NewValue0(v.Line, OpStore, TypeMem)
 10328  		v5.AuxInt = t.FieldType(0).Size()
 10329  		v5.AddArg(dst)
 10330  		v5.AddArg(f0)
 10331  		v5.AddArg(mem)
 10332  		v3.AddArg(v5)
 10333  		v1.AddArg(v3)
 10334  		v.AddArg(v1)
 10335  		return true
 10336  	}
 10337  	// match: (Store [size] dst (Load <t> src mem) mem)
 10338  	// cond: !config.fe.CanSSA(t)
 10339  	// result: (Move [MakeSizeAndAlign(size, t.Alignment()).Int64()] dst src mem)
 10340  	for {
 10341  		size := v.AuxInt
 10342  		dst := v.Args[0]
 10343  		v_1 := v.Args[1]
 10344  		if v_1.Op != OpLoad {
 10345  			break
 10346  		}
 10347  		t := v_1.Type
 10348  		src := v_1.Args[0]
 10349  		mem := v_1.Args[1]
 10350  		if mem != v.Args[2] {
 10351  			break
 10352  		}
 10353  		if !(!config.fe.CanSSA(t)) {
 10354  			break
 10355  		}
 10356  		v.reset(OpMove)
 10357  		v.AuxInt = MakeSizeAndAlign(size, t.Alignment()).Int64()
 10358  		v.AddArg(dst)
 10359  		v.AddArg(src)
 10360  		v.AddArg(mem)
 10361  		return true
 10362  	}
 10363  	// match: (Store [size] dst (Load <t> src mem) (VarDef {x} mem))
 10364  	// cond: !config.fe.CanSSA(t)
 10365  	// result: (Move [MakeSizeAndAlign(size, t.Alignment()).Int64()] dst src (VarDef {x} mem))
 10366  	for {
 10367  		size := v.AuxInt
 10368  		dst := v.Args[0]
 10369  		v_1 := v.Args[1]
 10370  		if v_1.Op != OpLoad {
 10371  			break
 10372  		}
 10373  		t := v_1.Type
 10374  		src := v_1.Args[0]
 10375  		mem := v_1.Args[1]
 10376  		v_2 := v.Args[2]
 10377  		if v_2.Op != OpVarDef {
 10378  			break
 10379  		}
 10380  		x := v_2.Aux
 10381  		if mem != v_2.Args[0] {
 10382  			break
 10383  		}
 10384  		if !(!config.fe.CanSSA(t)) {
 10385  			break
 10386  		}
 10387  		v.reset(OpMove)
 10388  		v.AuxInt = MakeSizeAndAlign(size, t.Alignment()).Int64()
 10389  		v.AddArg(dst)
 10390  		v.AddArg(src)
 10391  		v0 := b.NewValue0(v.Line, OpVarDef, TypeMem)
 10392  		v0.Aux = x
 10393  		v0.AddArg(mem)
 10394  		v.AddArg(v0)
 10395  		return true
 10396  	}
 10397  	// match: (Store _ (ArrayMake0) mem)
 10398  	// cond:
 10399  	// result: mem
 10400  	for {
 10401  		v_1 := v.Args[1]
 10402  		if v_1.Op != OpArrayMake0 {
 10403  			break
 10404  		}
 10405  		mem := v.Args[2]
 10406  		v.reset(OpCopy)
 10407  		v.Type = mem.Type
 10408  		v.AddArg(mem)
 10409  		return true
 10410  	}
 10411  	// match: (Store [size] dst (ArrayMake1 e) mem)
 10412  	// cond:
 10413  	// result: (Store [size] dst e mem)
 10414  	for {
 10415  		size := v.AuxInt
 10416  		dst := v.Args[0]
 10417  		v_1 := v.Args[1]
 10418  		if v_1.Op != OpArrayMake1 {
 10419  			break
 10420  		}
 10421  		e := v_1.Args[0]
 10422  		mem := v.Args[2]
 10423  		v.reset(OpStore)
 10424  		v.AuxInt = size
 10425  		v.AddArg(dst)
 10426  		v.AddArg(e)
 10427  		v.AddArg(mem)
 10428  		return true
 10429  	}
 10430  	return false
 10431  }
 10432  func rewriteValuegeneric_OpStringLen(v *Value, config *Config) bool {
 10433  	b := v.Block
 10434  	_ = b
 10435  	// match: (StringLen (StringMake _ (Const64 <t> [c])))
 10436  	// cond:
 10437  	// result: (Const64 <t> [c])
 10438  	for {
 10439  		v_0 := v.Args[0]
 10440  		if v_0.Op != OpStringMake {
 10441  			break
 10442  		}
 10443  		v_0_1 := v_0.Args[1]
 10444  		if v_0_1.Op != OpConst64 {
 10445  			break
 10446  		}
 10447  		t := v_0_1.Type
 10448  		c := v_0_1.AuxInt
 10449  		v.reset(OpConst64)
 10450  		v.Type = t
 10451  		v.AuxInt = c
 10452  		return true
 10453  	}
 10454  	return false
 10455  }
 10456  func rewriteValuegeneric_OpStringPtr(v *Value, config *Config) bool {
 10457  	b := v.Block
 10458  	_ = b
 10459  	// match: (StringPtr (StringMake (Const64 <t> [c]) _))
 10460  	// cond:
 10461  	// result: (Const64 <t> [c])
 10462  	for {
 10463  		v_0 := v.Args[0]
 10464  		if v_0.Op != OpStringMake {
 10465  			break
 10466  		}
 10467  		v_0_0 := v_0.Args[0]
 10468  		if v_0_0.Op != OpConst64 {
 10469  			break
 10470  		}
 10471  		t := v_0_0.Type
 10472  		c := v_0_0.AuxInt
 10473  		v.reset(OpConst64)
 10474  		v.Type = t
 10475  		v.AuxInt = c
 10476  		return true
 10477  	}
 10478  	return false
 10479  }
 10480  func rewriteValuegeneric_OpStructSelect(v *Value, config *Config) bool {
 10481  	b := v.Block
 10482  	_ = b
 10483  	// match: (StructSelect (StructMake1 x))
 10484  	// cond:
 10485  	// result: x
 10486  	for {
 10487  		v_0 := v.Args[0]
 10488  		if v_0.Op != OpStructMake1 {
 10489  			break
 10490  		}
 10491  		x := v_0.Args[0]
 10492  		v.reset(OpCopy)
 10493  		v.Type = x.Type
 10494  		v.AddArg(x)
 10495  		return true
 10496  	}
 10497  	// match: (StructSelect [0] (StructMake2 x _))
 10498  	// cond:
 10499  	// result: x
 10500  	for {
 10501  		if v.AuxInt != 0 {
 10502  			break
 10503  		}
 10504  		v_0 := v.Args[0]
 10505  		if v_0.Op != OpStructMake2 {
 10506  			break
 10507  		}
 10508  		x := v_0.Args[0]
 10509  		v.reset(OpCopy)
 10510  		v.Type = x.Type
 10511  		v.AddArg(x)
 10512  		return true
 10513  	}
 10514  	// match: (StructSelect [1] (StructMake2 _ x))
 10515  	// cond:
 10516  	// result: x
 10517  	for {
 10518  		if v.AuxInt != 1 {
 10519  			break
 10520  		}
 10521  		v_0 := v.Args[0]
 10522  		if v_0.Op != OpStructMake2 {
 10523  			break
 10524  		}
 10525  		x := v_0.Args[1]
 10526  		v.reset(OpCopy)
 10527  		v.Type = x.Type
 10528  		v.AddArg(x)
 10529  		return true
 10530  	}
 10531  	// match: (StructSelect [0] (StructMake3 x _ _))
 10532  	// cond:
 10533  	// result: x
 10534  	for {
 10535  		if v.AuxInt != 0 {
 10536  			break
 10537  		}
 10538  		v_0 := v.Args[0]
 10539  		if v_0.Op != OpStructMake3 {
 10540  			break
 10541  		}
 10542  		x := v_0.Args[0]
 10543  		v.reset(OpCopy)
 10544  		v.Type = x.Type
 10545  		v.AddArg(x)
 10546  		return true
 10547  	}
 10548  	// match: (StructSelect [1] (StructMake3 _ x _))
 10549  	// cond:
 10550  	// result: x
 10551  	for {
 10552  		if v.AuxInt != 1 {
 10553  			break
 10554  		}
 10555  		v_0 := v.Args[0]
 10556  		if v_0.Op != OpStructMake3 {
 10557  			break
 10558  		}
 10559  		x := v_0.Args[1]
 10560  		v.reset(OpCopy)
 10561  		v.Type = x.Type
 10562  		v.AddArg(x)
 10563  		return true
 10564  	}
 10565  	// match: (StructSelect [2] (StructMake3 _ _ x))
 10566  	// cond:
 10567  	// result: x
 10568  	for {
 10569  		if v.AuxInt != 2 {
 10570  			break
 10571  		}
 10572  		v_0 := v.Args[0]
 10573  		if v_0.Op != OpStructMake3 {
 10574  			break
 10575  		}
 10576  		x := v_0.Args[2]
 10577  		v.reset(OpCopy)
 10578  		v.Type = x.Type
 10579  		v.AddArg(x)
 10580  		return true
 10581  	}
 10582  	// match: (StructSelect [0] (StructMake4 x _ _ _))
 10583  	// cond:
 10584  	// result: x
 10585  	for {
 10586  		if v.AuxInt != 0 {
 10587  			break
 10588  		}
 10589  		v_0 := v.Args[0]
 10590  		if v_0.Op != OpStructMake4 {
 10591  			break
 10592  		}
 10593  		x := v_0.Args[0]
 10594  		v.reset(OpCopy)
 10595  		v.Type = x.Type
 10596  		v.AddArg(x)
 10597  		return true
 10598  	}
 10599  	// match: (StructSelect [1] (StructMake4 _ x _ _))
 10600  	// cond:
 10601  	// result: x
 10602  	for {
 10603  		if v.AuxInt != 1 {
 10604  			break
 10605  		}
 10606  		v_0 := v.Args[0]
 10607  		if v_0.Op != OpStructMake4 {
 10608  			break
 10609  		}
 10610  		x := v_0.Args[1]
 10611  		v.reset(OpCopy)
 10612  		v.Type = x.Type
 10613  		v.AddArg(x)
 10614  		return true
 10615  	}
 10616  	// match: (StructSelect [2] (StructMake4 _ _ x _))
 10617  	// cond:
 10618  	// result: x
 10619  	for {
 10620  		if v.AuxInt != 2 {
 10621  			break
 10622  		}
 10623  		v_0 := v.Args[0]
 10624  		if v_0.Op != OpStructMake4 {
 10625  			break
 10626  		}
 10627  		x := v_0.Args[2]
 10628  		v.reset(OpCopy)
 10629  		v.Type = x.Type
 10630  		v.AddArg(x)
 10631  		return true
 10632  	}
 10633  	// match: (StructSelect [3] (StructMake4 _ _ _ x))
 10634  	// cond:
 10635  	// result: x
 10636  	for {
 10637  		if v.AuxInt != 3 {
 10638  			break
 10639  		}
 10640  		v_0 := v.Args[0]
 10641  		if v_0.Op != OpStructMake4 {
 10642  			break
 10643  		}
 10644  		x := v_0.Args[3]
 10645  		v.reset(OpCopy)
 10646  		v.Type = x.Type
 10647  		v.AddArg(x)
 10648  		return true
 10649  	}
 10650  	// match: (StructSelect [i] x:(Load <t> ptr mem))
 10651  	// cond: !config.fe.CanSSA(t)
 10652  	// result: @x.Block (Load <v.Type> (OffPtr <v.Type.PtrTo()> [t.FieldOff(int(i))] ptr) mem)
 10653  	for {
 10654  		i := v.AuxInt
 10655  		x := v.Args[0]
 10656  		if x.Op != OpLoad {
 10657  			break
 10658  		}
 10659  		t := x.Type
 10660  		ptr := x.Args[0]
 10661  		mem := x.Args[1]
 10662  		if !(!config.fe.CanSSA(t)) {
 10663  			break
 10664  		}
 10665  		b = x.Block
 10666  		v0 := b.NewValue0(v.Line, OpLoad, v.Type)
 10667  		v.reset(OpCopy)
 10668  		v.AddArg(v0)
 10669  		v1 := b.NewValue0(v.Line, OpOffPtr, v.Type.PtrTo())
 10670  		v1.AuxInt = t.FieldOff(int(i))
 10671  		v1.AddArg(ptr)
 10672  		v0.AddArg(v1)
 10673  		v0.AddArg(mem)
 10674  		return true
 10675  	}
 10676  	return false
 10677  }
 10678  func rewriteValuegeneric_OpSub16(v *Value, config *Config) bool {
 10679  	b := v.Block
 10680  	_ = b
 10681  	// match: (Sub16  (Const16 [c]) (Const16 [d]))
 10682  	// cond:
 10683  	// result: (Const16 [int64(int16(c-d))])
 10684  	for {
 10685  		v_0 := v.Args[0]
 10686  		if v_0.Op != OpConst16 {
 10687  			break
 10688  		}
 10689  		c := v_0.AuxInt
 10690  		v_1 := v.Args[1]
 10691  		if v_1.Op != OpConst16 {
 10692  			break
 10693  		}
 10694  		d := v_1.AuxInt
 10695  		v.reset(OpConst16)
 10696  		v.AuxInt = int64(int16(c - d))
 10697  		return true
 10698  	}
 10699  	// match: (Sub16 x (Const16 <t> [c]))
 10700  	// cond: x.Op != OpConst16
 10701  	// result: (Add16 (Const16 <t> [int64(int16(-c))]) x)
 10702  	for {
 10703  		x := v.Args[0]
 10704  		v_1 := v.Args[1]
 10705  		if v_1.Op != OpConst16 {
 10706  			break
 10707  		}
 10708  		t := v_1.Type
 10709  		c := v_1.AuxInt
 10710  		if !(x.Op != OpConst16) {
 10711  			break
 10712  		}
 10713  		v.reset(OpAdd16)
 10714  		v0 := b.NewValue0(v.Line, OpConst16, t)
 10715  		v0.AuxInt = int64(int16(-c))
 10716  		v.AddArg(v0)
 10717  		v.AddArg(x)
 10718  		return true
 10719  	}
 10720  	// match: (Sub16 x x)
 10721  	// cond:
 10722  	// result: (Const16 [0])
 10723  	for {
 10724  		x := v.Args[0]
 10725  		if x != v.Args[1] {
 10726  			break
 10727  		}
 10728  		v.reset(OpConst16)
 10729  		v.AuxInt = 0
 10730  		return true
 10731  	}
 10732  	// match: (Sub16 (Add16 x y) x)
 10733  	// cond:
 10734  	// result: y
 10735  	for {
 10736  		v_0 := v.Args[0]
 10737  		if v_0.Op != OpAdd16 {
 10738  			break
 10739  		}
 10740  		x := v_0.Args[0]
 10741  		y := v_0.Args[1]
 10742  		if x != v.Args[1] {
 10743  			break
 10744  		}
 10745  		v.reset(OpCopy)
 10746  		v.Type = y.Type
 10747  		v.AddArg(y)
 10748  		return true
 10749  	}
 10750  	// match: (Sub16 (Add16 x y) y)
 10751  	// cond:
 10752  	// result: x
 10753  	for {
 10754  		v_0 := v.Args[0]
 10755  		if v_0.Op != OpAdd16 {
 10756  			break
 10757  		}
 10758  		x := v_0.Args[0]
 10759  		y := v_0.Args[1]
 10760  		if y != v.Args[1] {
 10761  			break
 10762  		}
 10763  		v.reset(OpCopy)
 10764  		v.Type = x.Type
 10765  		v.AddArg(x)
 10766  		return true
 10767  	}
 10768  	return false
 10769  }
 10770  func rewriteValuegeneric_OpSub32(v *Value, config *Config) bool {
 10771  	b := v.Block
 10772  	_ = b
 10773  	// match: (Sub32  (Const32 [c]) (Const32 [d]))
 10774  	// cond:
 10775  	// result: (Const32 [int64(int32(c-d))])
 10776  	for {
 10777  		v_0 := v.Args[0]
 10778  		if v_0.Op != OpConst32 {
 10779  			break
 10780  		}
 10781  		c := v_0.AuxInt
 10782  		v_1 := v.Args[1]
 10783  		if v_1.Op != OpConst32 {
 10784  			break
 10785  		}
 10786  		d := v_1.AuxInt
 10787  		v.reset(OpConst32)
 10788  		v.AuxInt = int64(int32(c - d))
 10789  		return true
 10790  	}
 10791  	// match: (Sub32 x (Const32 <t> [c]))
 10792  	// cond: x.Op != OpConst32
 10793  	// result: (Add32 (Const32 <t> [int64(int32(-c))]) x)
 10794  	for {
 10795  		x := v.Args[0]
 10796  		v_1 := v.Args[1]
 10797  		if v_1.Op != OpConst32 {
 10798  			break
 10799  		}
 10800  		t := v_1.Type
 10801  		c := v_1.AuxInt
 10802  		if !(x.Op != OpConst32) {
 10803  			break
 10804  		}
 10805  		v.reset(OpAdd32)
 10806  		v0 := b.NewValue0(v.Line, OpConst32, t)
 10807  		v0.AuxInt = int64(int32(-c))
 10808  		v.AddArg(v0)
 10809  		v.AddArg(x)
 10810  		return true
 10811  	}
 10812  	// match: (Sub32 x x)
 10813  	// cond:
 10814  	// result: (Const32 [0])
 10815  	for {
 10816  		x := v.Args[0]
 10817  		if x != v.Args[1] {
 10818  			break
 10819  		}
 10820  		v.reset(OpConst32)
 10821  		v.AuxInt = 0
 10822  		return true
 10823  	}
 10824  	// match: (Sub32 (Add32 x y) x)
 10825  	// cond:
 10826  	// result: y
 10827  	for {
 10828  		v_0 := v.Args[0]
 10829  		if v_0.Op != OpAdd32 {
 10830  			break
 10831  		}
 10832  		x := v_0.Args[0]
 10833  		y := v_0.Args[1]
 10834  		if x != v.Args[1] {
 10835  			break
 10836  		}
 10837  		v.reset(OpCopy)
 10838  		v.Type = y.Type
 10839  		v.AddArg(y)
 10840  		return true
 10841  	}
 10842  	// match: (Sub32 (Add32 x y) y)
 10843  	// cond:
 10844  	// result: x
 10845  	for {
 10846  		v_0 := v.Args[0]
 10847  		if v_0.Op != OpAdd32 {
 10848  			break
 10849  		}
 10850  		x := v_0.Args[0]
 10851  		y := v_0.Args[1]
 10852  		if y != v.Args[1] {
 10853  			break
 10854  		}
 10855  		v.reset(OpCopy)
 10856  		v.Type = x.Type
 10857  		v.AddArg(x)
 10858  		return true
 10859  	}
 10860  	return false
 10861  }
 10862  func rewriteValuegeneric_OpSub32F(v *Value, config *Config) bool {
 10863  	b := v.Block
 10864  	_ = b
 10865  	// match: (Sub32F (Const32F [c]) (Const32F [d]))
 10866  	// cond:
 10867  	// result: (Const32F [f2i(float64(i2f32(c) - i2f32(d)))])
 10868  	for {
 10869  		v_0 := v.Args[0]
 10870  		if v_0.Op != OpConst32F {
 10871  			break
 10872  		}
 10873  		c := v_0.AuxInt
 10874  		v_1 := v.Args[1]
 10875  		if v_1.Op != OpConst32F {
 10876  			break
 10877  		}
 10878  		d := v_1.AuxInt
 10879  		v.reset(OpConst32F)
 10880  		v.AuxInt = f2i(float64(i2f32(c) - i2f32(d)))
 10881  		return true
 10882  	}
 10883  	// match: (Sub32F x (Const32F [0]))
 10884  	// cond:
 10885  	// result: x
 10886  	for {
 10887  		x := v.Args[0]
 10888  		v_1 := v.Args[1]
 10889  		if v_1.Op != OpConst32F {
 10890  			break
 10891  		}
 10892  		if v_1.AuxInt != 0 {
 10893  			break
 10894  		}
 10895  		v.reset(OpCopy)
 10896  		v.Type = x.Type
 10897  		v.AddArg(x)
 10898  		return true
 10899  	}
 10900  	return false
 10901  }
 10902  func rewriteValuegeneric_OpSub64(v *Value, config *Config) bool {
 10903  	b := v.Block
 10904  	_ = b
 10905  	// match: (Sub64  (Const64 [c]) (Const64 [d]))
 10906  	// cond:
 10907  	// result: (Const64 [c-d])
 10908  	for {
 10909  		v_0 := v.Args[0]
 10910  		if v_0.Op != OpConst64 {
 10911  			break
 10912  		}
 10913  		c := v_0.AuxInt
 10914  		v_1 := v.Args[1]
 10915  		if v_1.Op != OpConst64 {
 10916  			break
 10917  		}
 10918  		d := v_1.AuxInt
 10919  		v.reset(OpConst64)
 10920  		v.AuxInt = c - d
 10921  		return true
 10922  	}
 10923  	// match: (Sub64 x (Const64 <t> [c]))
 10924  	// cond: x.Op != OpConst64
 10925  	// result: (Add64 (Const64 <t> [-c]) x)
 10926  	for {
 10927  		x := v.Args[0]
 10928  		v_1 := v.Args[1]
 10929  		if v_1.Op != OpConst64 {
 10930  			break
 10931  		}
 10932  		t := v_1.Type
 10933  		c := v_1.AuxInt
 10934  		if !(x.Op != OpConst64) {
 10935  			break
 10936  		}
 10937  		v.reset(OpAdd64)
 10938  		v0 := b.NewValue0(v.Line, OpConst64, t)
 10939  		v0.AuxInt = -c
 10940  		v.AddArg(v0)
 10941  		v.AddArg(x)
 10942  		return true
 10943  	}
 10944  	// match: (Sub64 x x)
 10945  	// cond:
 10946  	// result: (Const64 [0])
 10947  	for {
 10948  		x := v.Args[0]
 10949  		if x != v.Args[1] {
 10950  			break
 10951  		}
 10952  		v.reset(OpConst64)
 10953  		v.AuxInt = 0
 10954  		return true
 10955  	}
 10956  	// match: (Sub64 (Add64 x y) x)
 10957  	// cond:
 10958  	// result: y
 10959  	for {
 10960  		v_0 := v.Args[0]
 10961  		if v_0.Op != OpAdd64 {
 10962  			break
 10963  		}
 10964  		x := v_0.Args[0]
 10965  		y := v_0.Args[1]
 10966  		if x != v.Args[1] {
 10967  			break
 10968  		}
 10969  		v.reset(OpCopy)
 10970  		v.Type = y.Type
 10971  		v.AddArg(y)
 10972  		return true
 10973  	}
 10974  	// match: (Sub64 (Add64 x y) y)
 10975  	// cond:
 10976  	// result: x
 10977  	for {
 10978  		v_0 := v.Args[0]
 10979  		if v_0.Op != OpAdd64 {
 10980  			break
 10981  		}
 10982  		x := v_0.Args[0]
 10983  		y := v_0.Args[1]
 10984  		if y != v.Args[1] {
 10985  			break
 10986  		}
 10987  		v.reset(OpCopy)
 10988  		v.Type = x.Type
 10989  		v.AddArg(x)
 10990  		return true
 10991  	}
 10992  	return false
 10993  }
 10994  func rewriteValuegeneric_OpSub64F(v *Value, config *Config) bool {
 10995  	b := v.Block
 10996  	_ = b
 10997  	// match: (Sub64F (Const64F [c]) (Const64F [d]))
 10998  	// cond:
 10999  	// result: (Const64F [f2i(i2f(c) - i2f(d))])
 11000  	for {
 11001  		v_0 := v.Args[0]
 11002  		if v_0.Op != OpConst64F {
 11003  			break
 11004  		}
 11005  		c := v_0.AuxInt
 11006  		v_1 := v.Args[1]
 11007  		if v_1.Op != OpConst64F {
 11008  			break
 11009  		}
 11010  		d := v_1.AuxInt
 11011  		v.reset(OpConst64F)
 11012  		v.AuxInt = f2i(i2f(c) - i2f(d))
 11013  		return true
 11014  	}
 11015  	// match: (Sub64F x (Const64F [0]))
 11016  	// cond:
 11017  	// result: x
 11018  	for {
 11019  		x := v.Args[0]
 11020  		v_1 := v.Args[1]
 11021  		if v_1.Op != OpConst64F {
 11022  			break
 11023  		}
 11024  		if v_1.AuxInt != 0 {
 11025  			break
 11026  		}
 11027  		v.reset(OpCopy)
 11028  		v.Type = x.Type
 11029  		v.AddArg(x)
 11030  		return true
 11031  	}
 11032  	return false
 11033  }
 11034  func rewriteValuegeneric_OpSub8(v *Value, config *Config) bool {
 11035  	b := v.Block
 11036  	_ = b
 11037  	// match: (Sub8   (Const8 [c]) (Const8 [d]))
 11038  	// cond:
 11039  	// result: (Const8 [int64(int8(c-d))])
 11040  	for {
 11041  		v_0 := v.Args[0]
 11042  		if v_0.Op != OpConst8 {
 11043  			break
 11044  		}
 11045  		c := v_0.AuxInt
 11046  		v_1 := v.Args[1]
 11047  		if v_1.Op != OpConst8 {
 11048  			break
 11049  		}
 11050  		d := v_1.AuxInt
 11051  		v.reset(OpConst8)
 11052  		v.AuxInt = int64(int8(c - d))
 11053  		return true
 11054  	}
 11055  	// match: (Sub8  x (Const8  <t> [c]))
 11056  	// cond: x.Op != OpConst8
 11057  	// result: (Add8  (Const8  <t> [int64(int8(-c))]) x)
 11058  	for {
 11059  		x := v.Args[0]
 11060  		v_1 := v.Args[1]
 11061  		if v_1.Op != OpConst8 {
 11062  			break
 11063  		}
 11064  		t := v_1.Type
 11065  		c := v_1.AuxInt
 11066  		if !(x.Op != OpConst8) {
 11067  			break
 11068  		}
 11069  		v.reset(OpAdd8)
 11070  		v0 := b.NewValue0(v.Line, OpConst8, t)
 11071  		v0.AuxInt = int64(int8(-c))
 11072  		v.AddArg(v0)
 11073  		v.AddArg(x)
 11074  		return true
 11075  	}
 11076  	// match: (Sub8  x x)
 11077  	// cond:
 11078  	// result: (Const8  [0])
 11079  	for {
 11080  		x := v.Args[0]
 11081  		if x != v.Args[1] {
 11082  			break
 11083  		}
 11084  		v.reset(OpConst8)
 11085  		v.AuxInt = 0
 11086  		return true
 11087  	}
 11088  	// match: (Sub8  (Add8  x y) x)
 11089  	// cond:
 11090  	// result: y
 11091  	for {
 11092  		v_0 := v.Args[0]
 11093  		if v_0.Op != OpAdd8 {
 11094  			break
 11095  		}
 11096  		x := v_0.Args[0]
 11097  		y := v_0.Args[1]
 11098  		if x != v.Args[1] {
 11099  			break
 11100  		}
 11101  		v.reset(OpCopy)
 11102  		v.Type = y.Type
 11103  		v.AddArg(y)
 11104  		return true
 11105  	}
 11106  	// match: (Sub8  (Add8  x y) y)
 11107  	// cond:
 11108  	// result: x
 11109  	for {
 11110  		v_0 := v.Args[0]
 11111  		if v_0.Op != OpAdd8 {
 11112  			break
 11113  		}
 11114  		x := v_0.Args[0]
 11115  		y := v_0.Args[1]
 11116  		if y != v.Args[1] {
 11117  			break
 11118  		}
 11119  		v.reset(OpCopy)
 11120  		v.Type = x.Type
 11121  		v.AddArg(x)
 11122  		return true
 11123  	}
 11124  	return false
 11125  }
 11126  func rewriteValuegeneric_OpTrunc16to8(v *Value, config *Config) bool {
 11127  	b := v.Block
 11128  	_ = b
 11129  	// match: (Trunc16to8  (Const16 [c]))
 11130  	// cond:
 11131  	// result: (Const8   [int64(int8(c))])
 11132  	for {
 11133  		v_0 := v.Args[0]
 11134  		if v_0.Op != OpConst16 {
 11135  			break
 11136  		}
 11137  		c := v_0.AuxInt
 11138  		v.reset(OpConst8)
 11139  		v.AuxInt = int64(int8(c))
 11140  		return true
 11141  	}
 11142  	// match: (Trunc16to8  (ZeroExt8to16  x))
 11143  	// cond:
 11144  	// result: x
 11145  	for {
 11146  		v_0 := v.Args[0]
 11147  		if v_0.Op != OpZeroExt8to16 {
 11148  			break
 11149  		}
 11150  		x := v_0.Args[0]
 11151  		v.reset(OpCopy)
 11152  		v.Type = x.Type
 11153  		v.AddArg(x)
 11154  		return true
 11155  	}
 11156  	// match: (Trunc16to8  (SignExt8to16  x))
 11157  	// cond:
 11158  	// result: x
 11159  	for {
 11160  		v_0 := v.Args[0]
 11161  		if v_0.Op != OpSignExt8to16 {
 11162  			break
 11163  		}
 11164  		x := v_0.Args[0]
 11165  		v.reset(OpCopy)
 11166  		v.Type = x.Type
 11167  		v.AddArg(x)
 11168  		return true
 11169  	}
 11170  	// match: (Trunc16to8  (And16 (Const16 [y]) x))
 11171  	// cond: y&0xFF == 0xFF
 11172  	// result: (Trunc16to8 x)
 11173  	for {
 11174  		v_0 := v.Args[0]
 11175  		if v_0.Op != OpAnd16 {
 11176  			break
 11177  		}
 11178  		v_0_0 := v_0.Args[0]
 11179  		if v_0_0.Op != OpConst16 {
 11180  			break
 11181  		}
 11182  		y := v_0_0.AuxInt
 11183  		x := v_0.Args[1]
 11184  		if !(y&0xFF == 0xFF) {
 11185  			break
 11186  		}
 11187  		v.reset(OpTrunc16to8)
 11188  		v.AddArg(x)
 11189  		return true
 11190  	}
 11191  	return false
 11192  }
 11193  func rewriteValuegeneric_OpTrunc32to16(v *Value, config *Config) bool {
 11194  	b := v.Block
 11195  	_ = b
 11196  	// match: (Trunc32to16 (Const32 [c]))
 11197  	// cond:
 11198  	// result: (Const16  [int64(int16(c))])
 11199  	for {
 11200  		v_0 := v.Args[0]
 11201  		if v_0.Op != OpConst32 {
 11202  			break
 11203  		}
 11204  		c := v_0.AuxInt
 11205  		v.reset(OpConst16)
 11206  		v.AuxInt = int64(int16(c))
 11207  		return true
 11208  	}
 11209  	// match: (Trunc32to16 (ZeroExt8to32  x))
 11210  	// cond:
 11211  	// result: (ZeroExt8to16  x)
 11212  	for {
 11213  		v_0 := v.Args[0]
 11214  		if v_0.Op != OpZeroExt8to32 {
 11215  			break
 11216  		}
 11217  		x := v_0.Args[0]
 11218  		v.reset(OpZeroExt8to16)
 11219  		v.AddArg(x)
 11220  		return true
 11221  	}
 11222  	// match: (Trunc32to16 (ZeroExt16to32 x))
 11223  	// cond:
 11224  	// result: x
 11225  	for {
 11226  		v_0 := v.Args[0]
 11227  		if v_0.Op != OpZeroExt16to32 {
 11228  			break
 11229  		}
 11230  		x := v_0.Args[0]
 11231  		v.reset(OpCopy)
 11232  		v.Type = x.Type
 11233  		v.AddArg(x)
 11234  		return true
 11235  	}
 11236  	// match: (Trunc32to16 (SignExt8to32  x))
 11237  	// cond:
 11238  	// result: (SignExt8to16  x)
 11239  	for {
 11240  		v_0 := v.Args[0]
 11241  		if v_0.Op != OpSignExt8to32 {
 11242  			break
 11243  		}
 11244  		x := v_0.Args[0]
 11245  		v.reset(OpSignExt8to16)
 11246  		v.AddArg(x)
 11247  		return true
 11248  	}
 11249  	// match: (Trunc32to16 (SignExt16to32 x))
 11250  	// cond:
 11251  	// result: x
 11252  	for {
 11253  		v_0 := v.Args[0]
 11254  		if v_0.Op != OpSignExt16to32 {
 11255  			break
 11256  		}
 11257  		x := v_0.Args[0]
 11258  		v.reset(OpCopy)
 11259  		v.Type = x.Type
 11260  		v.AddArg(x)
 11261  		return true
 11262  	}
 11263  	// match: (Trunc32to16 (And32 (Const32 [y]) x))
 11264  	// cond: y&0xFFFF == 0xFFFF
 11265  	// result: (Trunc32to16 x)
 11266  	for {
 11267  		v_0 := v.Args[0]
 11268  		if v_0.Op != OpAnd32 {
 11269  			break
 11270  		}
 11271  		v_0_0 := v_0.Args[0]
 11272  		if v_0_0.Op != OpConst32 {
 11273  			break
 11274  		}
 11275  		y := v_0_0.AuxInt
 11276  		x := v_0.Args[1]
 11277  		if !(y&0xFFFF == 0xFFFF) {
 11278  			break
 11279  		}
 11280  		v.reset(OpTrunc32to16)
 11281  		v.AddArg(x)
 11282  		return true
 11283  	}
 11284  	return false
 11285  }
 11286  func rewriteValuegeneric_OpTrunc32to8(v *Value, config *Config) bool {
 11287  	b := v.Block
 11288  	_ = b
 11289  	// match: (Trunc32to8  (Const32 [c]))
 11290  	// cond:
 11291  	// result: (Const8   [int64(int8(c))])
 11292  	for {
 11293  		v_0 := v.Args[0]
 11294  		if v_0.Op != OpConst32 {
 11295  			break
 11296  		}
 11297  		c := v_0.AuxInt
 11298  		v.reset(OpConst8)
 11299  		v.AuxInt = int64(int8(c))
 11300  		return true
 11301  	}
 11302  	// match: (Trunc32to8  (ZeroExt8to32  x))
 11303  	// cond:
 11304  	// result: x
 11305  	for {
 11306  		v_0 := v.Args[0]
 11307  		if v_0.Op != OpZeroExt8to32 {
 11308  			break
 11309  		}
 11310  		x := v_0.Args[0]
 11311  		v.reset(OpCopy)
 11312  		v.Type = x.Type
 11313  		v.AddArg(x)
 11314  		return true
 11315  	}
 11316  	// match: (Trunc32to8  (SignExt8to32  x))
 11317  	// cond:
 11318  	// result: x
 11319  	for {
 11320  		v_0 := v.Args[0]
 11321  		if v_0.Op != OpSignExt8to32 {
 11322  			break
 11323  		}
 11324  		x := v_0.Args[0]
 11325  		v.reset(OpCopy)
 11326  		v.Type = x.Type
 11327  		v.AddArg(x)
 11328  		return true
 11329  	}
 11330  	// match: (Trunc32to8  (And32 (Const32 [y]) x))
 11331  	// cond: y&0xFF == 0xFF
 11332  	// result: (Trunc32to8 x)
 11333  	for {
 11334  		v_0 := v.Args[0]
 11335  		if v_0.Op != OpAnd32 {
 11336  			break
 11337  		}
 11338  		v_0_0 := v_0.Args[0]
 11339  		if v_0_0.Op != OpConst32 {
 11340  			break
 11341  		}
 11342  		y := v_0_0.AuxInt
 11343  		x := v_0.Args[1]
 11344  		if !(y&0xFF == 0xFF) {
 11345  			break
 11346  		}
 11347  		v.reset(OpTrunc32to8)
 11348  		v.AddArg(x)
 11349  		return true
 11350  	}
 11351  	return false
 11352  }
 11353  func rewriteValuegeneric_OpTrunc64to16(v *Value, config *Config) bool {
 11354  	b := v.Block
 11355  	_ = b
 11356  	// match: (Trunc64to16 (Const64 [c]))
 11357  	// cond:
 11358  	// result: (Const16  [int64(int16(c))])
 11359  	for {
 11360  		v_0 := v.Args[0]
 11361  		if v_0.Op != OpConst64 {
 11362  			break
 11363  		}
 11364  		c := v_0.AuxInt
 11365  		v.reset(OpConst16)
 11366  		v.AuxInt = int64(int16(c))
 11367  		return true
 11368  	}
 11369  	// match: (Trunc64to16 (ZeroExt8to64  x))
 11370  	// cond:
 11371  	// result: (ZeroExt8to16  x)
 11372  	for {
 11373  		v_0 := v.Args[0]
 11374  		if v_0.Op != OpZeroExt8to64 {
 11375  			break
 11376  		}
 11377  		x := v_0.Args[0]
 11378  		v.reset(OpZeroExt8to16)
 11379  		v.AddArg(x)
 11380  		return true
 11381  	}
 11382  	// match: (Trunc64to16 (ZeroExt16to64 x))
 11383  	// cond:
 11384  	// result: x
 11385  	for {
 11386  		v_0 := v.Args[0]
 11387  		if v_0.Op != OpZeroExt16to64 {
 11388  			break
 11389  		}
 11390  		x := v_0.Args[0]
 11391  		v.reset(OpCopy)
 11392  		v.Type = x.Type
 11393  		v.AddArg(x)
 11394  		return true
 11395  	}
 11396  	// match: (Trunc64to16 (SignExt8to64  x))
 11397  	// cond:
 11398  	// result: (SignExt8to16  x)
 11399  	for {
 11400  		v_0 := v.Args[0]
 11401  		if v_0.Op != OpSignExt8to64 {
 11402  			break
 11403  		}
 11404  		x := v_0.Args[0]
 11405  		v.reset(OpSignExt8to16)
 11406  		v.AddArg(x)
 11407  		return true
 11408  	}
 11409  	// match: (Trunc64to16 (SignExt16to64 x))
 11410  	// cond:
 11411  	// result: x
 11412  	for {
 11413  		v_0 := v.Args[0]
 11414  		if v_0.Op != OpSignExt16to64 {
 11415  			break
 11416  		}
 11417  		x := v_0.Args[0]
 11418  		v.reset(OpCopy)
 11419  		v.Type = x.Type
 11420  		v.AddArg(x)
 11421  		return true
 11422  	}
 11423  	// match: (Trunc64to16 (And64 (Const64 [y]) x))
 11424  	// cond: y&0xFFFF == 0xFFFF
 11425  	// result: (Trunc64to16 x)
 11426  	for {
 11427  		v_0 := v.Args[0]
 11428  		if v_0.Op != OpAnd64 {
 11429  			break
 11430  		}
 11431  		v_0_0 := v_0.Args[0]
 11432  		if v_0_0.Op != OpConst64 {
 11433  			break
 11434  		}
 11435  		y := v_0_0.AuxInt
 11436  		x := v_0.Args[1]
 11437  		if !(y&0xFFFF == 0xFFFF) {
 11438  			break
 11439  		}
 11440  		v.reset(OpTrunc64to16)
 11441  		v.AddArg(x)
 11442  		return true
 11443  	}
 11444  	return false
 11445  }
 11446  func rewriteValuegeneric_OpTrunc64to32(v *Value, config *Config) bool {
 11447  	b := v.Block
 11448  	_ = b
 11449  	// match: (Trunc64to32 (Const64 [c]))
 11450  	// cond:
 11451  	// result: (Const32  [int64(int32(c))])
 11452  	for {
 11453  		v_0 := v.Args[0]
 11454  		if v_0.Op != OpConst64 {
 11455  			break
 11456  		}
 11457  		c := v_0.AuxInt
 11458  		v.reset(OpConst32)
 11459  		v.AuxInt = int64(int32(c))
 11460  		return true
 11461  	}
 11462  	// match: (Trunc64to32 (ZeroExt8to64  x))
 11463  	// cond:
 11464  	// result: (ZeroExt8to32  x)
 11465  	for {
 11466  		v_0 := v.Args[0]
 11467  		if v_0.Op != OpZeroExt8to64 {
 11468  			break
 11469  		}
 11470  		x := v_0.Args[0]
 11471  		v.reset(OpZeroExt8to32)
 11472  		v.AddArg(x)
 11473  		return true
 11474  	}
 11475  	// match: (Trunc64to32 (ZeroExt16to64 x))
 11476  	// cond:
 11477  	// result: (ZeroExt16to32 x)
 11478  	for {
 11479  		v_0 := v.Args[0]
 11480  		if v_0.Op != OpZeroExt16to64 {
 11481  			break
 11482  		}
 11483  		x := v_0.Args[0]
 11484  		v.reset(OpZeroExt16to32)
 11485  		v.AddArg(x)
 11486  		return true
 11487  	}
 11488  	// match: (Trunc64to32 (ZeroExt32to64 x))
 11489  	// cond:
 11490  	// result: x
 11491  	for {
 11492  		v_0 := v.Args[0]
 11493  		if v_0.Op != OpZeroExt32to64 {
 11494  			break
 11495  		}
 11496  		x := v_0.Args[0]
 11497  		v.reset(OpCopy)
 11498  		v.Type = x.Type
 11499  		v.AddArg(x)
 11500  		return true
 11501  	}
 11502  	// match: (Trunc64to32 (SignExt8to64  x))
 11503  	// cond:
 11504  	// result: (SignExt8to32  x)
 11505  	for {
 11506  		v_0 := v.Args[0]
 11507  		if v_0.Op != OpSignExt8to64 {
 11508  			break
 11509  		}
 11510  		x := v_0.Args[0]
 11511  		v.reset(OpSignExt8to32)
 11512  		v.AddArg(x)
 11513  		return true
 11514  	}
 11515  	// match: (Trunc64to32 (SignExt16to64 x))
 11516  	// cond:
 11517  	// result: (SignExt16to32 x)
 11518  	for {
 11519  		v_0 := v.Args[0]
 11520  		if v_0.Op != OpSignExt16to64 {
 11521  			break
 11522  		}
 11523  		x := v_0.Args[0]
 11524  		v.reset(OpSignExt16to32)
 11525  		v.AddArg(x)
 11526  		return true
 11527  	}
 11528  	// match: (Trunc64to32 (SignExt32to64 x))
 11529  	// cond:
 11530  	// result: x
 11531  	for {
 11532  		v_0 := v.Args[0]
 11533  		if v_0.Op != OpSignExt32to64 {
 11534  			break
 11535  		}
 11536  		x := v_0.Args[0]
 11537  		v.reset(OpCopy)
 11538  		v.Type = x.Type
 11539  		v.AddArg(x)
 11540  		return true
 11541  	}
 11542  	// match: (Trunc64to32 (And64 (Const64 [y]) x))
 11543  	// cond: y&0xFFFFFFFF == 0xFFFFFFFF
 11544  	// result: (Trunc64to32 x)
 11545  	for {
 11546  		v_0 := v.Args[0]
 11547  		if v_0.Op != OpAnd64 {
 11548  			break
 11549  		}
 11550  		v_0_0 := v_0.Args[0]
 11551  		if v_0_0.Op != OpConst64 {
 11552  			break
 11553  		}
 11554  		y := v_0_0.AuxInt
 11555  		x := v_0.Args[1]
 11556  		if !(y&0xFFFFFFFF == 0xFFFFFFFF) {
 11557  			break
 11558  		}
 11559  		v.reset(OpTrunc64to32)
 11560  		v.AddArg(x)
 11561  		return true
 11562  	}
 11563  	return false
 11564  }
 11565  func rewriteValuegeneric_OpTrunc64to8(v *Value, config *Config) bool {
 11566  	b := v.Block
 11567  	_ = b
 11568  	// match: (Trunc64to8  (Const64 [c]))
 11569  	// cond:
 11570  	// result: (Const8   [int64(int8(c))])
 11571  	for {
 11572  		v_0 := v.Args[0]
 11573  		if v_0.Op != OpConst64 {
 11574  			break
 11575  		}
 11576  		c := v_0.AuxInt
 11577  		v.reset(OpConst8)
 11578  		v.AuxInt = int64(int8(c))
 11579  		return true
 11580  	}
 11581  	// match: (Trunc64to8  (ZeroExt8to64  x))
 11582  	// cond:
 11583  	// result: x
 11584  	for {
 11585  		v_0 := v.Args[0]
 11586  		if v_0.Op != OpZeroExt8to64 {
 11587  			break
 11588  		}
 11589  		x := v_0.Args[0]
 11590  		v.reset(OpCopy)
 11591  		v.Type = x.Type
 11592  		v.AddArg(x)
 11593  		return true
 11594  	}
 11595  	// match: (Trunc64to8  (SignExt8to64  x))
 11596  	// cond:
 11597  	// result: x
 11598  	for {
 11599  		v_0 := v.Args[0]
 11600  		if v_0.Op != OpSignExt8to64 {
 11601  			break
 11602  		}
 11603  		x := v_0.Args[0]
 11604  		v.reset(OpCopy)
 11605  		v.Type = x.Type
 11606  		v.AddArg(x)
 11607  		return true
 11608  	}
 11609  	// match: (Trunc64to8  (And64 (Const64 [y]) x))
 11610  	// cond: y&0xFF == 0xFF
 11611  	// result: (Trunc64to8 x)
 11612  	for {
 11613  		v_0 := v.Args[0]
 11614  		if v_0.Op != OpAnd64 {
 11615  			break
 11616  		}
 11617  		v_0_0 := v_0.Args[0]
 11618  		if v_0_0.Op != OpConst64 {
 11619  			break
 11620  		}
 11621  		y := v_0_0.AuxInt
 11622  		x := v_0.Args[1]
 11623  		if !(y&0xFF == 0xFF) {
 11624  			break
 11625  		}
 11626  		v.reset(OpTrunc64to8)
 11627  		v.AddArg(x)
 11628  		return true
 11629  	}
 11630  	return false
 11631  }
 11632  func rewriteValuegeneric_OpXor16(v *Value, config *Config) bool {
 11633  	b := v.Block
 11634  	_ = b
 11635  	// match: (Xor16 x (Const16 <t> [c]))
 11636  	// cond: x.Op != OpConst16
 11637  	// result: (Xor16 (Const16 <t> [c]) x)
 11638  	for {
 11639  		x := v.Args[0]
 11640  		v_1 := v.Args[1]
 11641  		if v_1.Op != OpConst16 {
 11642  			break
 11643  		}
 11644  		t := v_1.Type
 11645  		c := v_1.AuxInt
 11646  		if !(x.Op != OpConst16) {
 11647  			break
 11648  		}
 11649  		v.reset(OpXor16)
 11650  		v0 := b.NewValue0(v.Line, OpConst16, t)
 11651  		v0.AuxInt = c
 11652  		v.AddArg(v0)
 11653  		v.AddArg(x)
 11654  		return true
 11655  	}
 11656  	// match: (Xor16 x x)
 11657  	// cond:
 11658  	// result: (Const16 [0])
 11659  	for {
 11660  		x := v.Args[0]
 11661  		if x != v.Args[1] {
 11662  			break
 11663  		}
 11664  		v.reset(OpConst16)
 11665  		v.AuxInt = 0
 11666  		return true
 11667  	}
 11668  	// match: (Xor16 (Const16 [0]) x)
 11669  	// cond:
 11670  	// result: x
 11671  	for {
 11672  		v_0 := v.Args[0]
 11673  		if v_0.Op != OpConst16 {
 11674  			break
 11675  		}
 11676  		if v_0.AuxInt != 0 {
 11677  			break
 11678  		}
 11679  		x := v.Args[1]
 11680  		v.reset(OpCopy)
 11681  		v.Type = x.Type
 11682  		v.AddArg(x)
 11683  		return true
 11684  	}
 11685  	// match: (Xor16 x (Xor16 x y))
 11686  	// cond:
 11687  	// result: y
 11688  	for {
 11689  		x := v.Args[0]
 11690  		v_1 := v.Args[1]
 11691  		if v_1.Op != OpXor16 {
 11692  			break
 11693  		}
 11694  		if x != v_1.Args[0] {
 11695  			break
 11696  		}
 11697  		y := v_1.Args[1]
 11698  		v.reset(OpCopy)
 11699  		v.Type = y.Type
 11700  		v.AddArg(y)
 11701  		return true
 11702  	}
 11703  	// match: (Xor16 x (Xor16 y x))
 11704  	// cond:
 11705  	// result: y
 11706  	for {
 11707  		x := v.Args[0]
 11708  		v_1 := v.Args[1]
 11709  		if v_1.Op != OpXor16 {
 11710  			break
 11711  		}
 11712  		y := v_1.Args[0]
 11713  		if x != v_1.Args[1] {
 11714  			break
 11715  		}
 11716  		v.reset(OpCopy)
 11717  		v.Type = y.Type
 11718  		v.AddArg(y)
 11719  		return true
 11720  	}
 11721  	// match: (Xor16 (Xor16 x y) x)
 11722  	// cond:
 11723  	// result: y
 11724  	for {
 11725  		v_0 := v.Args[0]
 11726  		if v_0.Op != OpXor16 {
 11727  			break
 11728  		}
 11729  		x := v_0.Args[0]
 11730  		y := v_0.Args[1]
 11731  		if x != v.Args[1] {
 11732  			break
 11733  		}
 11734  		v.reset(OpCopy)
 11735  		v.Type = y.Type
 11736  		v.AddArg(y)
 11737  		return true
 11738  	}
 11739  	// match: (Xor16 (Xor16 x y) y)
 11740  	// cond:
 11741  	// result: x
 11742  	for {
 11743  		v_0 := v.Args[0]
 11744  		if v_0.Op != OpXor16 {
 11745  			break
 11746  		}
 11747  		x := v_0.Args[0]
 11748  		y := v_0.Args[1]
 11749  		if y != v.Args[1] {
 11750  			break
 11751  		}
 11752  		v.reset(OpCopy)
 11753  		v.Type = x.Type
 11754  		v.AddArg(x)
 11755  		return true
 11756  	}
 11757  	return false
 11758  }
 11759  func rewriteValuegeneric_OpXor32(v *Value, config *Config) bool {
 11760  	b := v.Block
 11761  	_ = b
 11762  	// match: (Xor32 x (Const32 <t> [c]))
 11763  	// cond: x.Op != OpConst32
 11764  	// result: (Xor32 (Const32 <t> [c]) x)
 11765  	for {
 11766  		x := v.Args[0]
 11767  		v_1 := v.Args[1]
 11768  		if v_1.Op != OpConst32 {
 11769  			break
 11770  		}
 11771  		t := v_1.Type
 11772  		c := v_1.AuxInt
 11773  		if !(x.Op != OpConst32) {
 11774  			break
 11775  		}
 11776  		v.reset(OpXor32)
 11777  		v0 := b.NewValue0(v.Line, OpConst32, t)
 11778  		v0.AuxInt = c
 11779  		v.AddArg(v0)
 11780  		v.AddArg(x)
 11781  		return true
 11782  	}
 11783  	// match: (Xor32 x x)
 11784  	// cond:
 11785  	// result: (Const32 [0])
 11786  	for {
 11787  		x := v.Args[0]
 11788  		if x != v.Args[1] {
 11789  			break
 11790  		}
 11791  		v.reset(OpConst32)
 11792  		v.AuxInt = 0
 11793  		return true
 11794  	}
 11795  	// match: (Xor32 (Const32 [0]) x)
 11796  	// cond:
 11797  	// result: x
 11798  	for {
 11799  		v_0 := v.Args[0]
 11800  		if v_0.Op != OpConst32 {
 11801  			break
 11802  		}
 11803  		if v_0.AuxInt != 0 {
 11804  			break
 11805  		}
 11806  		x := v.Args[1]
 11807  		v.reset(OpCopy)
 11808  		v.Type = x.Type
 11809  		v.AddArg(x)
 11810  		return true
 11811  	}
 11812  	// match: (Xor32 x (Xor32 x y))
 11813  	// cond:
 11814  	// result: y
 11815  	for {
 11816  		x := v.Args[0]
 11817  		v_1 := v.Args[1]
 11818  		if v_1.Op != OpXor32 {
 11819  			break
 11820  		}
 11821  		if x != v_1.Args[0] {
 11822  			break
 11823  		}
 11824  		y := v_1.Args[1]
 11825  		v.reset(OpCopy)
 11826  		v.Type = y.Type
 11827  		v.AddArg(y)
 11828  		return true
 11829  	}
 11830  	// match: (Xor32 x (Xor32 y x))
 11831  	// cond:
 11832  	// result: y
 11833  	for {
 11834  		x := v.Args[0]
 11835  		v_1 := v.Args[1]
 11836  		if v_1.Op != OpXor32 {
 11837  			break
 11838  		}
 11839  		y := v_1.Args[0]
 11840  		if x != v_1.Args[1] {
 11841  			break
 11842  		}
 11843  		v.reset(OpCopy)
 11844  		v.Type = y.Type
 11845  		v.AddArg(y)
 11846  		return true
 11847  	}
 11848  	// match: (Xor32 (Xor32 x y) x)
 11849  	// cond:
 11850  	// result: y
 11851  	for {
 11852  		v_0 := v.Args[0]
 11853  		if v_0.Op != OpXor32 {
 11854  			break
 11855  		}
 11856  		x := v_0.Args[0]
 11857  		y := v_0.Args[1]
 11858  		if x != v.Args[1] {
 11859  			break
 11860  		}
 11861  		v.reset(OpCopy)
 11862  		v.Type = y.Type
 11863  		v.AddArg(y)
 11864  		return true
 11865  	}
 11866  	// match: (Xor32 (Xor32 x y) y)
 11867  	// cond:
 11868  	// result: x
 11869  	for {
 11870  		v_0 := v.Args[0]
 11871  		if v_0.Op != OpXor32 {
 11872  			break
 11873  		}
 11874  		x := v_0.Args[0]
 11875  		y := v_0.Args[1]
 11876  		if y != v.Args[1] {
 11877  			break
 11878  		}
 11879  		v.reset(OpCopy)
 11880  		v.Type = x.Type
 11881  		v.AddArg(x)
 11882  		return true
 11883  	}
 11884  	return false
 11885  }
 11886  func rewriteValuegeneric_OpXor64(v *Value, config *Config) bool {
 11887  	b := v.Block
 11888  	_ = b
 11889  	// match: (Xor64 x (Const64 <t> [c]))
 11890  	// cond: x.Op != OpConst64
 11891  	// result: (Xor64 (Const64 <t> [c]) x)
 11892  	for {
 11893  		x := v.Args[0]
 11894  		v_1 := v.Args[1]
 11895  		if v_1.Op != OpConst64 {
 11896  			break
 11897  		}
 11898  		t := v_1.Type
 11899  		c := v_1.AuxInt
 11900  		if !(x.Op != OpConst64) {
 11901  			break
 11902  		}
 11903  		v.reset(OpXor64)
 11904  		v0 := b.NewValue0(v.Line, OpConst64, t)
 11905  		v0.AuxInt = c
 11906  		v.AddArg(v0)
 11907  		v.AddArg(x)
 11908  		return true
 11909  	}
 11910  	// match: (Xor64 x x)
 11911  	// cond:
 11912  	// result: (Const64 [0])
 11913  	for {
 11914  		x := v.Args[0]
 11915  		if x != v.Args[1] {
 11916  			break
 11917  		}
 11918  		v.reset(OpConst64)
 11919  		v.AuxInt = 0
 11920  		return true
 11921  	}
 11922  	// match: (Xor64 (Const64 [0]) x)
 11923  	// cond:
 11924  	// result: x
 11925  	for {
 11926  		v_0 := v.Args[0]
 11927  		if v_0.Op != OpConst64 {
 11928  			break
 11929  		}
 11930  		if v_0.AuxInt != 0 {
 11931  			break
 11932  		}
 11933  		x := v.Args[1]
 11934  		v.reset(OpCopy)
 11935  		v.Type = x.Type
 11936  		v.AddArg(x)
 11937  		return true
 11938  	}
 11939  	// match: (Xor64 x (Xor64 x y))
 11940  	// cond:
 11941  	// result: y
 11942  	for {
 11943  		x := v.Args[0]
 11944  		v_1 := v.Args[1]
 11945  		if v_1.Op != OpXor64 {
 11946  			break
 11947  		}
 11948  		if x != v_1.Args[0] {
 11949  			break
 11950  		}
 11951  		y := v_1.Args[1]
 11952  		v.reset(OpCopy)
 11953  		v.Type = y.Type
 11954  		v.AddArg(y)
 11955  		return true
 11956  	}
 11957  	// match: (Xor64 x (Xor64 y x))
 11958  	// cond:
 11959  	// result: y
 11960  	for {
 11961  		x := v.Args[0]
 11962  		v_1 := v.Args[1]
 11963  		if v_1.Op != OpXor64 {
 11964  			break
 11965  		}
 11966  		y := v_1.Args[0]
 11967  		if x != v_1.Args[1] {
 11968  			break
 11969  		}
 11970  		v.reset(OpCopy)
 11971  		v.Type = y.Type
 11972  		v.AddArg(y)
 11973  		return true
 11974  	}
 11975  	// match: (Xor64 (Xor64 x y) x)
 11976  	// cond:
 11977  	// result: y
 11978  	for {
 11979  		v_0 := v.Args[0]
 11980  		if v_0.Op != OpXor64 {
 11981  			break
 11982  		}
 11983  		x := v_0.Args[0]
 11984  		y := v_0.Args[1]
 11985  		if x != v.Args[1] {
 11986  			break
 11987  		}
 11988  		v.reset(OpCopy)
 11989  		v.Type = y.Type
 11990  		v.AddArg(y)
 11991  		return true
 11992  	}
 11993  	// match: (Xor64 (Xor64 x y) y)
 11994  	// cond:
 11995  	// result: x
 11996  	for {
 11997  		v_0 := v.Args[0]
 11998  		if v_0.Op != OpXor64 {
 11999  			break
 12000  		}
 12001  		x := v_0.Args[0]
 12002  		y := v_0.Args[1]
 12003  		if y != v.Args[1] {
 12004  			break
 12005  		}
 12006  		v.reset(OpCopy)
 12007  		v.Type = x.Type
 12008  		v.AddArg(x)
 12009  		return true
 12010  	}
 12011  	return false
 12012  }
 12013  func rewriteValuegeneric_OpXor8(v *Value, config *Config) bool {
 12014  	b := v.Block
 12015  	_ = b
 12016  	// match: (Xor8  x (Const8  <t> [c]))
 12017  	// cond: x.Op != OpConst8
 12018  	// result: (Xor8  (Const8  <t> [c]) x)
 12019  	for {
 12020  		x := v.Args[0]
 12021  		v_1 := v.Args[1]
 12022  		if v_1.Op != OpConst8 {
 12023  			break
 12024  		}
 12025  		t := v_1.Type
 12026  		c := v_1.AuxInt
 12027  		if !(x.Op != OpConst8) {
 12028  			break
 12029  		}
 12030  		v.reset(OpXor8)
 12031  		v0 := b.NewValue0(v.Line, OpConst8, t)
 12032  		v0.AuxInt = c
 12033  		v.AddArg(v0)
 12034  		v.AddArg(x)
 12035  		return true
 12036  	}
 12037  	// match: (Xor8  x x)
 12038  	// cond:
 12039  	// result: (Const8  [0])
 12040  	for {
 12041  		x := v.Args[0]
 12042  		if x != v.Args[1] {
 12043  			break
 12044  		}
 12045  		v.reset(OpConst8)
 12046  		v.AuxInt = 0
 12047  		return true
 12048  	}
 12049  	// match: (Xor8  (Const8  [0]) x)
 12050  	// cond:
 12051  	// result: x
 12052  	for {
 12053  		v_0 := v.Args[0]
 12054  		if v_0.Op != OpConst8 {
 12055  			break
 12056  		}
 12057  		if v_0.AuxInt != 0 {
 12058  			break
 12059  		}
 12060  		x := v.Args[1]
 12061  		v.reset(OpCopy)
 12062  		v.Type = x.Type
 12063  		v.AddArg(x)
 12064  		return true
 12065  	}
 12066  	// match: (Xor8  x (Xor8  x y))
 12067  	// cond:
 12068  	// result: y
 12069  	for {
 12070  		x := v.Args[0]
 12071  		v_1 := v.Args[1]
 12072  		if v_1.Op != OpXor8 {
 12073  			break
 12074  		}
 12075  		if x != v_1.Args[0] {
 12076  			break
 12077  		}
 12078  		y := v_1.Args[1]
 12079  		v.reset(OpCopy)
 12080  		v.Type = y.Type
 12081  		v.AddArg(y)
 12082  		return true
 12083  	}
 12084  	// match: (Xor8  x (Xor8  y x))
 12085  	// cond:
 12086  	// result: y
 12087  	for {
 12088  		x := v.Args[0]
 12089  		v_1 := v.Args[1]
 12090  		if v_1.Op != OpXor8 {
 12091  			break
 12092  		}
 12093  		y := v_1.Args[0]
 12094  		if x != v_1.Args[1] {
 12095  			break
 12096  		}
 12097  		v.reset(OpCopy)
 12098  		v.Type = y.Type
 12099  		v.AddArg(y)
 12100  		return true
 12101  	}
 12102  	// match: (Xor8  (Xor8  x y) x)
 12103  	// cond:
 12104  	// result: y
 12105  	for {
 12106  		v_0 := v.Args[0]
 12107  		if v_0.Op != OpXor8 {
 12108  			break
 12109  		}
 12110  		x := v_0.Args[0]
 12111  		y := v_0.Args[1]
 12112  		if x != v.Args[1] {
 12113  			break
 12114  		}
 12115  		v.reset(OpCopy)
 12116  		v.Type = y.Type
 12117  		v.AddArg(y)
 12118  		return true
 12119  	}
 12120  	// match: (Xor8  (Xor8  x y) y)
 12121  	// cond:
 12122  	// result: x
 12123  	for {
 12124  		v_0 := v.Args[0]
 12125  		if v_0.Op != OpXor8 {
 12126  			break
 12127  		}
 12128  		x := v_0.Args[0]
 12129  		y := v_0.Args[1]
 12130  		if y != v.Args[1] {
 12131  			break
 12132  		}
 12133  		v.reset(OpCopy)
 12134  		v.Type = x.Type
 12135  		v.AddArg(x)
 12136  		return true
 12137  	}
 12138  	return false
 12139  }
 12140  func rewriteValuegeneric_OpZero(v *Value, config *Config) bool {
 12141  	b := v.Block
 12142  	_ = b
 12143  	// match: (Zero (Load (OffPtr [c] (SP)) mem) mem)
 12144  	// cond: mem.Op == OpStaticCall 	&& isSameSym(mem.Aux, "runtime.newobject") 	&& c == config.ctxt.FixedFrameSize() + config.PtrSize
 12145  	// result: mem
 12146  	for {
 12147  		v_0 := v.Args[0]
 12148  		if v_0.Op != OpLoad {
 12149  			break
 12150  		}
 12151  		v_0_0 := v_0.Args[0]
 12152  		if v_0_0.Op != OpOffPtr {
 12153  			break
 12154  		}
 12155  		c := v_0_0.AuxInt
 12156  		v_0_0_0 := v_0_0.Args[0]
 12157  		if v_0_0_0.Op != OpSP {
 12158  			break
 12159  		}
 12160  		mem := v_0.Args[1]
 12161  		if mem != v.Args[1] {
 12162  			break
 12163  		}
 12164  		if !(mem.Op == OpStaticCall && isSameSym(mem.Aux, "runtime.newobject") && c == config.ctxt.FixedFrameSize()+config.PtrSize) {
 12165  			break
 12166  		}
 12167  		v.reset(OpCopy)
 12168  		v.Type = mem.Type
 12169  		v.AddArg(mem)
 12170  		return true
 12171  	}
 12172  	return false
 12173  }
 12174  func rewriteValuegeneric_OpZeroExt16to32(v *Value, config *Config) bool {
 12175  	b := v.Block
 12176  	_ = b
 12177  	// match: (ZeroExt16to32 (Trunc32to16 x:(Rsh32Ux64 _ (Const64 [s]))))
 12178  	// cond: s >= 16
 12179  	// result: x
 12180  	for {
 12181  		v_0 := v.Args[0]
 12182  		if v_0.Op != OpTrunc32to16 {
 12183  			break
 12184  		}
 12185  		x := v_0.Args[0]
 12186  		if x.Op != OpRsh32Ux64 {
 12187  			break
 12188  		}
 12189  		x_1 := x.Args[1]
 12190  		if x_1.Op != OpConst64 {
 12191  			break
 12192  		}
 12193  		s := x_1.AuxInt
 12194  		if !(s >= 16) {
 12195  			break
 12196  		}
 12197  		v.reset(OpCopy)
 12198  		v.Type = x.Type
 12199  		v.AddArg(x)
 12200  		return true
 12201  	}
 12202  	return false
 12203  }
 12204  func rewriteValuegeneric_OpZeroExt16to64(v *Value, config *Config) bool {
 12205  	b := v.Block
 12206  	_ = b
 12207  	// match: (ZeroExt16to64 (Trunc64to16 x:(Rsh64Ux64 _ (Const64 [s]))))
 12208  	// cond: s >= 48
 12209  	// result: x
 12210  	for {
 12211  		v_0 := v.Args[0]
 12212  		if v_0.Op != OpTrunc64to16 {
 12213  			break
 12214  		}
 12215  		x := v_0.Args[0]
 12216  		if x.Op != OpRsh64Ux64 {
 12217  			break
 12218  		}
 12219  		x_1 := x.Args[1]
 12220  		if x_1.Op != OpConst64 {
 12221  			break
 12222  		}
 12223  		s := x_1.AuxInt
 12224  		if !(s >= 48) {
 12225  			break
 12226  		}
 12227  		v.reset(OpCopy)
 12228  		v.Type = x.Type
 12229  		v.AddArg(x)
 12230  		return true
 12231  	}
 12232  	return false
 12233  }
 12234  func rewriteValuegeneric_OpZeroExt32to64(v *Value, config *Config) bool {
 12235  	b := v.Block
 12236  	_ = b
 12237  	// match: (ZeroExt32to64 (Trunc64to32 x:(Rsh64Ux64 _ (Const64 [s]))))
 12238  	// cond: s >= 32
 12239  	// result: x
 12240  	for {
 12241  		v_0 := v.Args[0]
 12242  		if v_0.Op != OpTrunc64to32 {
 12243  			break
 12244  		}
 12245  		x := v_0.Args[0]
 12246  		if x.Op != OpRsh64Ux64 {
 12247  			break
 12248  		}
 12249  		x_1 := x.Args[1]
 12250  		if x_1.Op != OpConst64 {
 12251  			break
 12252  		}
 12253  		s := x_1.AuxInt
 12254  		if !(s >= 32) {
 12255  			break
 12256  		}
 12257  		v.reset(OpCopy)
 12258  		v.Type = x.Type
 12259  		v.AddArg(x)
 12260  		return true
 12261  	}
 12262  	return false
 12263  }
 12264  func rewriteValuegeneric_OpZeroExt8to16(v *Value, config *Config) bool {
 12265  	b := v.Block
 12266  	_ = b
 12267  	// match: (ZeroExt8to16  (Trunc16to8  x:(Rsh16Ux64 _ (Const64 [s]))))
 12268  	// cond: s >= 8
 12269  	// result: x
 12270  	for {
 12271  		v_0 := v.Args[0]
 12272  		if v_0.Op != OpTrunc16to8 {
 12273  			break
 12274  		}
 12275  		x := v_0.Args[0]
 12276  		if x.Op != OpRsh16Ux64 {
 12277  			break
 12278  		}
 12279  		x_1 := x.Args[1]
 12280  		if x_1.Op != OpConst64 {
 12281  			break
 12282  		}
 12283  		s := x_1.AuxInt
 12284  		if !(s >= 8) {
 12285  			break
 12286  		}
 12287  		v.reset(OpCopy)
 12288  		v.Type = x.Type
 12289  		v.AddArg(x)
 12290  		return true
 12291  	}
 12292  	return false
 12293  }
 12294  func rewriteValuegeneric_OpZeroExt8to32(v *Value, config *Config) bool {
 12295  	b := v.Block
 12296  	_ = b
 12297  	// match: (ZeroExt8to32  (Trunc32to8  x:(Rsh32Ux64 _ (Const64 [s]))))
 12298  	// cond: s >= 24
 12299  	// result: x
 12300  	for {
 12301  		v_0 := v.Args[0]
 12302  		if v_0.Op != OpTrunc32to8 {
 12303  			break
 12304  		}
 12305  		x := v_0.Args[0]
 12306  		if x.Op != OpRsh32Ux64 {
 12307  			break
 12308  		}
 12309  		x_1 := x.Args[1]
 12310  		if x_1.Op != OpConst64 {
 12311  			break
 12312  		}
 12313  		s := x_1.AuxInt
 12314  		if !(s >= 24) {
 12315  			break
 12316  		}
 12317  		v.reset(OpCopy)
 12318  		v.Type = x.Type
 12319  		v.AddArg(x)
 12320  		return true
 12321  	}
 12322  	return false
 12323  }
 12324  func rewriteValuegeneric_OpZeroExt8to64(v *Value, config *Config) bool {
 12325  	b := v.Block
 12326  	_ = b
 12327  	// match: (ZeroExt8to64  (Trunc64to8  x:(Rsh64Ux64 _ (Const64 [s]))))
 12328  	// cond: s >= 56
 12329  	// result: x
 12330  	for {
 12331  		v_0 := v.Args[0]
 12332  		if v_0.Op != OpTrunc64to8 {
 12333  			break
 12334  		}
 12335  		x := v_0.Args[0]
 12336  		if x.Op != OpRsh64Ux64 {
 12337  			break
 12338  		}
 12339  		x_1 := x.Args[1]
 12340  		if x_1.Op != OpConst64 {
 12341  			break
 12342  		}
 12343  		s := x_1.AuxInt
 12344  		if !(s >= 56) {
 12345  			break
 12346  		}
 12347  		v.reset(OpCopy)
 12348  		v.Type = x.Type
 12349  		v.AddArg(x)
 12350  		return true
 12351  	}
 12352  	return false
 12353  }
 12354  func rewriteBlockgeneric(b *Block, config *Config) bool {
 12355  	switch b.Kind {
 12356  	case BlockIf:
 12357  		// match: (If (Not cond) yes no)
 12358  		// cond:
 12359  		// result: (If cond no yes)
 12360  		for {
 12361  			v := b.Control
 12362  			if v.Op != OpNot {
 12363  				break
 12364  			}
 12365  			cond := v.Args[0]
 12366  			yes := b.Succs[0]
 12367  			no := b.Succs[1]
 12368  			b.Kind = BlockIf
 12369  			b.SetControl(cond)
 12370  			b.swapSuccessors()
 12371  			_ = no
 12372  			_ = yes
 12373  			return true
 12374  		}
 12375  		// match: (If (ConstBool [c]) yes no)
 12376  		// cond: c == 1
 12377  		// result: (First nil yes no)
 12378  		for {
 12379  			v := b.Control
 12380  			if v.Op != OpConstBool {
 12381  				break
 12382  			}
 12383  			c := v.AuxInt
 12384  			yes := b.Succs[0]
 12385  			no := b.Succs[1]
 12386  			if !(c == 1) {
 12387  				break
 12388  			}
 12389  			b.Kind = BlockFirst
 12390  			b.SetControl(nil)
 12391  			_ = yes
 12392  			_ = no
 12393  			return true
 12394  		}
 12395  		// match: (If (ConstBool [c]) yes no)
 12396  		// cond: c == 0
 12397  		// result: (First nil no yes)
 12398  		for {
 12399  			v := b.Control
 12400  			if v.Op != OpConstBool {
 12401  				break
 12402  			}
 12403  			c := v.AuxInt
 12404  			yes := b.Succs[0]
 12405  			no := b.Succs[1]
 12406  			if !(c == 0) {
 12407  				break
 12408  			}
 12409  			b.Kind = BlockFirst
 12410  			b.SetControl(nil)
 12411  			b.swapSuccessors()
 12412  			_ = no
 12413  			_ = yes
 12414  			return true
 12415  		}
 12416  	}
 12417  	return false
 12418  }