},
	},
	{
		name:              "MOVSSconst",
		auxType:           auxFloat32,
		argLen:            0,
		rematerializeable: true,
		asm:               x86.AMOVSS,
		reg: regInfo{
			outputs: []outputInfo{
				{0, 65280}, // X0 X1 X2 X3 X4 X5 X6 X7
			},
		},
	},
	{
		name:              "MOVSDconst",
		auxType:           auxFloat64,
		argLen:            0,

	}
	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)
	}
	return uint8(v.AuxInt)
}

// There is one file for generic (architecture-independent) ops and one file
// for each architecture.
type Op int32

type opInfo struct {
	name              string
	reg               regInfo
	auxType           auxType
	argLen            int32 // the number of arguments, -1 if variable length
	asm               obj.As
	generic           bool      // this is a generic (arch-independent) opcode

			}

			// Check to make sure aux values make sense.
			canHaveAux := false
			canHaveAuxInt := false
			// TODO: enforce types of Aux in this switch (like auxString does below)
			switch opcodeTable[v.Op].auxType {
			case auxNone:
			case auxBool:
				if v.AuxInt < 0 || v.AuxInt > 1 {
					f.Fatalf("bad bool AuxInt value for %v", v)
				}
				canHaveAuxInt = true
			case auxInt8: