}
	return fmt.Sprintf("v%d", v.ID)
}

func (v *Value) AuxInt8() int8 {
	if opcodeTable[v.Op].auxType != auxInt8 && opcodeTable[v.Op].auxType != auxNameOffsetInt8 {
		v.Fatalf("op %s doesn't have an int8 aux field", v.Op)
	}
	return int8(v.AuxInt)
}

func (v *Value) AuxUInt8() uint8 {
	if opcodeTable[v.Op].auxType != auxUInt8 {
		v.Fatalf("op %s doesn't have a uint8 aux field", v.Op)
	}

	// 	case OpAdd32:
	// 		res.val = newConst(argLt1.val.AuxInt32() + argLt2.val.AuxInt32())
	//	case OpDiv8:
	//		if !isDivideByZero(argLt2.val.AuxInt8()) {
	//			res.val = newConst(argLt1.val.AuxInt8() / argLt2.val.AuxInt8())
	//		}
	//  ...
	// 	}
	//
	// However, this would create a huge switch for all opcodes that can be

	auxBool                   // auxInt is 0/1 for false/true
	auxInt8                   // auxInt is an 8-bit integer
	auxInt16                  // auxInt is a 16-bit integer
	auxInt32                  // auxInt is a 32-bit integer
	auxInt64                  // auxInt is a 64-bit integer
	auxInt128                 // auxInt represents a 128-bit integer.  Always 0.
	auxUInt8                  // auxInt is an 8-bit unsigned integer

			case auxBool:
				if v.AuxInt < 0 || v.AuxInt > 1 {
					f.Fatalf("bad bool AuxInt value for %v", v)
				}
				canHaveAuxInt = true
			case auxInt8:
				if v.AuxInt != int64(int8(v.AuxInt)) {
					f.Fatalf("bad int8 AuxInt value for %v", v)
				}
				canHaveAuxInt = true
			case auxInt16:
				if v.AuxInt != int64(int16(v.AuxInt)) {
					f.Fatalf("bad int16 AuxInt value for %v", v)
				}

			},
		},
	},
	{
		name:    "BTLconst",
		auxType: auxInt8,
		argLen:  1,
		asm:     x86.ABTL,
		reg: regInfo{
			inputs: []inputInfo{
				{0, 49151}, // AX CX DX BX SP BP SI DI R8 R9 R10 R11 R12 R13 R15
			},
		},
	},
	{
		name:    "BTQconst",
		auxType: auxInt8,
		argLen:  1,
		asm:     x86.ABTQ,
		reg: regInfo{
			inputs: []inputInfo{

	for {
		a := auxIntToInt32(v.AuxInt)
		x := v_0
		if v_1.Op != OpPPC64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
			break
		}
		z := v_2
		v.reset(OpPPC64ISELZ)
		v.AuxInt = int32ToAuxInt(a)
		v.AddArg2(x, z)
		return true
	}
	// match: (ISEL [a] (MOVDconst [0]) y z)
	// result: (ISELZ [a^0x4] y z)
	for {
		a := auxIntToInt32(v.AuxInt)

	// result: (MOVLconst [c+d])
	for {
		c := auxIntToInt32(v.AuxInt)
		if v_0.Op != OpAMD64MOVLconst {
			break
		}
		d := auxIntToInt32(v_0.AuxInt)
		v.reset(OpAMD64MOVLconst)
		v.AuxInt = int32ToAuxInt(c + d)
		return true
	}
	// match: (ADDLconst [c] (ADDLconst [d] x))
	// result: (ADDLconst [c+d] x)
	for {
		c := auxIntToInt32(v.AuxInt)
		if v_0.Op != OpAMD64ADDLconst {
			break
		}

	for {
		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
			if v_0.Op != OpConst16 {
				continue
			}
			c := auxIntToInt16(v_0.AuxInt)
			if v_1.Op != OpConst16 {
				continue
			}
			d := auxIntToInt16(v_1.AuxInt)
			v.reset(OpConst16)
			v.AuxInt = int16ToAuxInt(c + d)
			return true
		}
		break
	}
	// match: (Add16 <t> (Mul16 x y) (Mul16 x z))
	// result: (Mul16 x (Add16 <t> y z))

		{name: "RORWconst", argLength: 1, reg: gp11, asm: "RORW", aux: "Int64"},   // uint32(arg0) right rotate by auxInt bits, auxInt should be in the range 0 to 31.
		{name: "EXTRconst", argLength: 2, reg: gp21, asm: "EXTR", aux: "Int64"},   // extract 64 bits from arg0:arg1 starting at lsb auxInt, auxInt should be in the range 0 to 63.

	for {
		val := auxIntToInt16(v.AuxInt)
		v.reset(OpRISCV64MOVDconst)
		v.AuxInt = int64ToAuxInt(int64(val))
		return true
	}
}
func rewriteValueRISCV64_OpConst32(v *Value) bool {
	// match: (Const32 [val])
	// result: (MOVDconst [int64(val)])
	for {
		val := auxIntToInt32(v.AuxInt)
		v.reset(OpRISCV64MOVDconst)
		v.AuxInt = int64ToAuxInt(int64(val))
		return true
	}
}