{name: "CMPWconst", argLength: 1, reg: gp1flags, asm: "CMPW", typ: "Flags", aux: "Int16"}, // arg0 compare to auxint
		{name: "CMPBconst", argLength: 1, reg: gp1flags, asm: "CMPB", typ: "Flags", aux: "Int8"},  // arg0 compare to auxint

		// compare *(arg0+auxint+aux) to arg1 (in that order). arg2=mem.

	case auxBool:
		if v.AuxInt == 0 {
			return " [false]"
		} else {
			return " [true]"
		}
	case auxInt8:
		return fmt.Sprintf(" [%d]", v.AuxInt8())
	case auxInt16:
		return fmt.Sprintf(" [%d]", v.AuxInt16())
	case auxInt32:
		return fmt.Sprintf(" [%d]", v.AuxInt32())
	case auxInt64, auxInt128:
		return fmt.Sprintf(" [%d]", v.AuxInt)
	case auxUInt8:
		return fmt.Sprintf(" [%d]", v.AuxUInt8())

	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: (IData x)
	for {
		if auxIntToInt64(v.AuxInt) != 0 || v_0.Op != OpIData {
			break
		}
		x := v_0.Args[0]
		v.reset(OpIData)
		v.AddArg(x)
		return true
	}
	// match: (ArraySelect [i] x:(Load <t> ptr mem))
	// result: @x.Block (Load <v.Type> (OffPtr <v.Type.PtrTo()> [t.Elem().Size()*i] ptr) mem)
	for {
		i := auxIntToInt64(v.AuxInt)
		x := v_0
		if x.Op != OpLoad {
			break
		}

		{name: "SRR", argLength: 2, reg: gp21},                                // arg0 right rotate by arg1 bits
		{name: "SRRconst", argLength: 1, reg: gp11, aux: "Int32"},             // arg0 right rotate by auxInt bits, 0 <= auxInt < 32

		// auxInt for all of these satisfy 0 <= auxInt < 32

			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)
				}

	// 	switch op {
	// 	case OpAdd16:
	//		res.val = newConst(argLt1.val.AuxInt16() + argLt2.val.AuxInt16())
	// 	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())
	//		}
	//  ...
	// 	}
	//

	v.AuxInt = auxint
	v.Args = v.argstorage[:2]
	v.argstorage[0] = arg0
	v.argstorage[1] = arg1
	arg0.Uses++
	arg1.Uses++
	return v
}

// NewValue2IA returns a new value in the block with two arguments and both an auxint and aux values.
func (b *Block) NewValue2IA(pos src.XPos, op Op, t *types.Type, auxint int64, aux Aux, arg0, arg1 *Value) *Value {
	v := b.Func.newValue(op, t, b, pos)
	v.AuxInt = auxint
	v.Aux = aux

	// result: (CMPBconst (MOVBload {sym} [vo.Off()] ptr mem) [vo.Val8()])
	for {
		vo := auxIntToValAndOff(v.AuxInt)
		sym := auxToSym(v.Aux)
		ptr := v_0
		mem := v_1
		if !(vo.Val() != 0) {
			break
		}
		v.reset(OpAMD64CMPBconst)
		v.AuxInt = int8ToAuxInt(vo.Val8())
		v0 := b.NewValue0(v.Pos, OpAMD64MOVBload, typ.UInt8)
		v0.AuxInt = int32ToAuxInt(vo.Off())
		v0.Aux = symToAux(sym)
		v0.AddArg2(ptr, mem)
		v.AddArg(v0)

		{name: "MOVFconst", argLength: 0, reg: fp01, aux: "Float32", asm: "MOVF", typ: "Float32", rematerializeable: true}, // auxint as 64-bit float, convert to 32-bit float
		{name: "MOVDconst", argLength: 0, reg: fp01, aux: "Float64", asm: "MOVD", typ: "Float64", rematerializeable: true}, // auxint as 64-bit float