},
	},
	{
		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)
}

				continue
			}
			// See if we can combine the Aux/AuxInt values.
			switch [2]auxType{opcodeTable[v.Op].auxType, opcodeTable[p.Op].auxType} {
			case [2]auxType{auxSymOff, auxInt32}:
				// TODO: introduce auxSymOff32
				if !isInImmediateRange(v.AuxInt + p.AuxInt) {
					continue
				}
				v.AuxInt += p.AuxInt
			case [2]auxType{auxSymOff, auxSymOff}:
				if v.Aux != nil && p.Aux != nil {
					continue
				}

				case auxInt32:
					// Mips uses this auxType for atomic add constant. It does not affect the effective address.
				case auxInt64:
					// ARM uses this auxType for duffcopy/duffzero/alignment info.
					// It does not affect the effective address.
				case auxNone:
					// offset is zero.
				default:
					v.Fatalf("can't handle aux %s (type %d) yet\n", v.auxString(), int(opcodeTable[v.Op].auxType))
				}

// 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

				return x
			}
		}
	}
	log.Fatalf("failed to find op named %s in arch %s", name, arch.name)
	panic("unreachable")
}

// auxType returns the Go type that this operation should store in its aux field.
func (op opData) auxType() string {
	switch op.aux {
	case "String":
		return "string"
	case "Sym":
		// Note: a Sym can be an *obj.LSym, a *gc.Node, or nil.
		return "Sym"

	var oldArgs []*Value
	argsWithoutMem := v.Args[:len(v.Args)-1]

	for j, a := range argsWithoutMem {
		oldArgs = append(oldArgs, a)
		i := int64(j)
		auxType := aux.TypeOfResult(i)
		auxBase := b.NewValue2A(v.Pos, OpLocalAddr, types.NewPtr(auxType), aux.NameOfResult(i), x.sp, mem)
		auxOffset := int64(0)
		aRegs := aux.RegsOfResult(int64(j))
		if a.Op == OpDereference {
			a.Op = OpLoad
		}

		for _, v := range a.ops {
			if v.name == "Invalid" {
				continue
			}
			fmt.Fprintln(w, "{")
			fmt.Fprintf(w, "name:\"%s\",\n", v.name)

			// flags
			if v.aux != "" {
				fmt.Fprintf(w, "auxType: aux%s,\n", v.aux)
			}
			fmt.Fprintf(w, "argLen: %d,\n", v.argLength)

			if v.rematerializeable {
				if v.reg.clobbers != 0 {
					log.Fatalf("%s is rematerializeable and clobbers registers", v.name)
				}

			}

			// 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:

	Xfsize   uint32 // Size of function in bytes
	Xendndx  uint32 // Symbol table index of next entry
	Xpad     uint8  // Unused
	Xauxtype uint8  // Type of auxiliary entry
}

type AuxSect64 struct {
	Xscnlen  uint64 // section length
	Xnreloc  uint64 // Num RLDs
	pad      uint8
	Xauxtype uint8 // Type of auxiliary entry
}

// csect Auxiliary Entry.
type AuxCSect32 struct {