continue // lowered
			}
			switch v.Op {
			case OpSP, OpSPanchored, OpSB, OpInitMem, OpArg, OpArgIntReg, OpArgFloatReg, OpPhi, OpVarDef, OpVarLive, OpKeepAlive, OpSelect0, OpSelect1, OpSelectN, OpConvert, OpInlMark, OpWBend:
				continue // ok not to lower
			case OpMakeResult:
				if b.Controls[0] == v {
					continue
				}
			case OpGetG:
				if f.Config.hasGReg {

	opAddrx           = 0xA1
	opConstx          = 0xA2
	opEntryValue      = 0xA3
	opConstType       = 0xA4
	opRegvalType      = 0xA5
	opDerefType       = 0xA6
	opXderefType      = 0xA7
	opConvert         = 0xA8
	opReinterpret     = 0xA9
	/* 0xE0-0xFF reserved for user-specific */
)

// Basic type encodings -- the value for AttrEncoding in a TagBaseType Entry.
const (
	encAddress      = 0x01

		// gets correctly ordered with respect to GC safepoints.
		// arg0=ptr/int arg1=mem, output=int/ptr
		//
		// TODO(neelance): LoweredConvert should not be necessary any more, since OpConvert does not need to be lowered any more (CL 108496).
		{name: "LoweredConvert", argLength: 2, reg: regInfo{inputs: []regMask{gp}, outputs: []regMask{gp}}},

	// gets correctly ordered with respect to GC safepoints.
	// It gets compiled to nothing, so its result must in the same
	// register as its argument. regalloc knows it can use any
	// allocatable integer register for OpConvert.
	// arg0=ptr/int arg1=mem, output=int/ptr
	{name: "Convert", argLength: 2, zeroWidth: true, resultInArg0: true},

	// constants. Constant values are stored in the aux or
	// auxint fields.

		m = s.f.Config.gpRegMask
	}
	return m & s.allocatable
}

// regspec returns the regInfo for operation op.
func (s *regAllocState) regspec(v *Value) regInfo {
	op := v.Op
	if op == OpConvert {
		// OpConvert is a generic op, so it doesn't have a
		// register set in the static table. It can use any
		// allocatable integer register.
		m := s.allocatable & s.f.Config.gpRegMask

	case OpConstInterface:
		return rewriteValuegeneric_OpConstInterface(v)
	case OpConstSlice:
		return rewriteValuegeneric_OpConstSlice(v)
	case OpConstString:
		return rewriteValuegeneric_OpConstString(v)
	case OpConvert:
		return rewriteValuegeneric_OpConvert(v)
	case OpCtz16:
		return rewriteValuegeneric_OpCtz16(v)
	case OpCtz32:
		return rewriteValuegeneric_OpCtz32(v)
	case OpCtz64:
		return rewriteValuegeneric_OpCtz64(v)

				// nothing to do; already used by liveness
			case ssa.OpPhi:
				CheckLoweredPhi(v)
			case ssa.OpConvert:
				// nothing to do; no-op conversion for liveness
				if v.Args[0].Reg() != v.Reg() {
					v.Fatalf("OpConvert should be a no-op: %s; %s", v.Args[0].LongString(), v.LongString())
				}
			case ssa.OpInlMark:
				p := Arch.Ginsnop(s.pp)
				if inlMarks == nil {

		return true
	case OpConst8:
		return rewriteValueWasm_OpConst8(v)
	case OpConstBool:
		return rewriteValueWasm_OpConstBool(v)
	case OpConstNil:
		return rewriteValueWasm_OpConstNil(v)
	case OpConvert:
		v.Op = OpWasmLoweredConvert
		return true
	case OpCopysign:
		v.Op = OpWasmF64Copysign
		return true
	case OpCtz16:
		return rewriteValueWasm_OpCtz16(v)
	case OpCtz16NonZero:
		v.Op = OpWasmI64Ctz

	OpSqrt32
	OpFloor
	OpCeil
	OpTrunc
	OpRound
	OpRoundToEven
	OpAbs
	OpCopysign
	OpMin64F
	OpMin32F
	OpMax64F
	OpMax32F
	OpFMA
	OpPhi
	OpCopy
	OpConvert
	OpConstBool
	OpConstString
	OpConstNil
	OpConst8
	OpConst16
	OpConst32
	OpConst64
	OpConst32F
	OpConst64F
	OpConstInterface
	OpConstSlice
	OpInitMem
	OpArg