(Zero [5] destptr mem) =>
	(MOVBstoreconst [makeValAndOff(0,4)] destptr
		(MOVLstoreconst [makeValAndOff(0,0)] destptr mem))
(Zero [6] destptr mem) =>
	(MOVWstoreconst [makeValAndOff(0,4)] destptr
		(MOVLstoreconst [makeValAndOff(0,0)] destptr mem))
(Zero [7] destptr mem) =>
	(MOVLstoreconst [makeValAndOff(0,3)] destptr
		(MOVLstoreconst [makeValAndOff(0,0)] destptr mem))

// Strip off any fractional word zeroing.

	(MVC [makeValAndOff(int32(s), 0)] dst src mem)
(Move [s] dst src mem) && s > 256 && s <= 512 && logLargeCopy(v, s) =>
	(MVC [makeValAndOff(int32(s)-256, 256)] dst src (MVC [makeValAndOff(256, 0)] dst src mem))
(Move [s] dst src mem) && s > 512 && s <= 768 && logLargeCopy(v, s) =>
	(MVC [makeValAndOff(int32(s)-512, 512)] dst src (MVC [makeValAndOff(256, 256)] dst src (MVC [makeValAndOff(256, 0)] dst src mem)))

		v1.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
		v1.AddArg2(destptr, mem)
		v0.AddArg2(destptr, v1)
		v.AddArg2(destptr, v0)
		return true
	}
	// match: (Zero [32] destptr mem)
	// cond: !config.useSSE
	// result: (MOVQstoreconst [makeValAndOff(0,24)] destptr (MOVQstoreconst [makeValAndOff(0,16)] destptr (MOVQstoreconst [makeValAndOff(0,8)] destptr (MOVQstoreconst [makeValAndOff(0,0)] destptr mem))))
	for {

	// result: (MOVLstoreconst [makeValAndOff(0,12)] destptr (MOVLstoreconst [makeValAndOff(0,8)] destptr (MOVLstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))))
	for {
		if auxIntToInt64(v.AuxInt) != 16 {
			break
		}
		destptr := v_0
		mem := v_1
		v.reset(Op386MOVLstoreconst)
		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 12))
		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)

func (x ValAndOff) String() string {
	return fmt.Sprintf("val=%d,off=%d", x.Val(), x.Off())
}

// validVal reports whether the value can be used
// as an argument to makeValAndOff.
func validVal(val int64) bool {
	return val == int64(int32(val))
}

func makeValAndOff(val, off int32) ValAndOff {
	return ValAndOff(int64(val)<<32 + int64(uint32(off)))
}

func (x ValAndOff) canAdd32(off int32) bool {

		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(256, 0))
		v0.AddArg3(dst, src, mem)
		v.AddArg3(dst, src, v0)
		return true
	}
	// match: (Move [s] dst src mem)
	// cond: s > 512 && s <= 768 && logLargeCopy(v, s)
	// result: (MVC [makeValAndOff(int32(s)-512, 512)] dst src (MVC [makeValAndOff(256, 256)] dst src (MVC [makeValAndOff(256, 0)] dst src mem)))
	for {
		s := auxIntToInt64(v.AuxInt)
		dst := v_0
		src := v_1