{"Mkdirat", Func, 0},
		{"Mkfifo", Func, 0},
		{"Mknod", Func, 0},
		{"Mknodat", Func, 0},
		{"Mlock", Func, 0},
		{"Mlockall", Func, 0},
		{"Mmap", Func, 0},
		{"Mount", Func, 0},
		{"MoveFile", Func, 0},
		{"Mprotect", Func, 0},
		{"Msghdr", Type, 0},
		{"Msghdr.Control", Field, 0},
		{"Msghdr.Controllen", Field, 0},
		{"Msghdr.Flags", Field, 0},
		{"Msghdr.Iov", Field, 0},

// large or unaligned zeroing uses a loop
(Zero [s] {t} ptr mem)
	&& (s > 16  || t.Alignment()%4 != 0) =>
	(LoweredZero [int32(t.Alignment())]
		ptr
		(ADDconst <ptr.Type> ptr [int32(s-moveSize(t.Alignment(), config))])
		mem)

// moves
(Move [0] _ _ mem) => mem
(Move [1] dst src mem) => (MOVBstore dst (MOVBUload src mem) mem)
(Move [2] {t} dst src mem) && t.Alignment()%2 == 0 =>

// large or unaligned zeroing uses a loop
(Zero [s] {t} ptr mem)
	&& (s > 8*128 || config.noDuffDevice) || t.Alignment()%8 != 0 =>
	(LoweredZero [t.Alignment()]
		ptr
		(ADDVconst <ptr.Type> ptr [s-moveSize(t.Alignment(), config)])
		mem)

// moves
(Move [0] _ _ mem) => mem
(Move [1] dst src mem) => (MOVBstore dst (MOVBload src mem) mem)
(Move [2] {t} dst src mem) && t.Alignment()%2 == 0 =>

// These optimizations need to be synchronized with the asmout function.
func (o *Optab) size(ctxt *obj.Link, p *obj.Prog) int {
	// Optimize adrp+add+ld/st to adrp+ld/st(offset).
	sz := movesize(p.As)
	if sz != -1 {
		// Relocations R_AARCH64_LDST{64,32,16,8}_ABS_LO12_NC can only generate 8-byte, 4-byte,
		// 2-byte and 1-byte aligned addresses, so the address of load/store must be aligned.

			return true
		}
	case OpSP:
		return p2.Op == OpAddr || p2.Op == OpLocalAddr || p2.Op == OpArg || p2.Op == OpArgIntReg || p2.Op == OpSP
	}
	return false
}

// moveSize returns the number of bytes an aligned MOV instruction moves.
func moveSize(align int64, c *Config) int64 {
	switch {
	case align%8 == 0 && c.PtrSize == 8:
		return 8
	case align%4 == 0:
		return 4
	case align%2 == 0:
		return 2
	}

		return true
	}
	// match: (Move [s] {t} dst src mem)
	// cond: (s > 16 && logLargeCopy(v, s) || t.Alignment()%4 != 0)
	// result: (LoweredMove [int32(t.Alignment())] dst src (ADDconst <src.Type> src [int32(s-moveSize(t.Alignment(), config))]) mem)
	for {
		s := auxIntToInt64(v.AuxInt)
		t := auxToType(v.Aux)
		dst := v_0
		src := v_1
		mem := v_2
		if !(s > 16 && logLargeCopy(v, s) || t.Alignment()%4 != 0) {

	Right  int32
	Bottom int32
}

type GUIThreadInfo struct {
	Size        uint32
	Flags       uint32
	Active      HWND
	Focus       HWND
	Capture     HWND
	MenuOwner   HWND
	MoveSize    HWND
	CaretHandle HWND
	CaretRect   Rect
}

const (
	DWMWA_NCRENDERING_ENABLED            = 1
	DWMWA_NCRENDERING_POLICY             = 2
	DWMWA_TRANSITIONS_FORCEDISABLED      = 3

		return true
	}
	// match: (Move [s] {t} dst src mem)
	// cond: s > 24 && logLargeCopy(v, s) || t.Alignment()%8 != 0
	// result: (LoweredMove [t.Alignment()] dst src (ADDVconst <src.Type> src [s-moveSize(t.Alignment(), config)]) mem)
	for {
		s := auxIntToInt64(v.AuxInt)
		t := auxToType(v.Aux)
		dst := v_0
		src := v_1
		mem := v_2
		if !(s > 24 && logLargeCopy(v, s) || t.Alignment()%8 != 0) {

		return true
	}
	// match: (Move [s] {t} dst src mem)
	// cond: s > 24 && logLargeCopy(v, s) || t.Alignment()%8 != 0
	// result: (LoweredMove [t.Alignment()] dst src (ADDVconst <src.Type> src [s-moveSize(t.Alignment(), config)]) mem)
	for {
		s := auxIntToInt64(v.AuxInt)
		t := auxToType(v.Aux)
		dst := v_0
		src := v_1
		mem := v_2
		if !(s > 24 && logLargeCopy(v, s) || t.Alignment()%8 != 0) {

		v.AddArg3(dst, src, mem)
		return true
	}
	// match: (Move [s] {t} dst src mem)
	// cond: (s <= 16 || logLargeCopy(v, s))
	// result: (LoweredMove [t.Alignment()] dst src (ADDI <src.Type> [s-moveSize(t.Alignment(), config)] src) mem)
	for {
		s := auxIntToInt64(v.AuxInt)
		t := auxToType(v.Aux)
		dst := v_0
		src := v_1
		mem := v_2
		if !(s <= 16 || logLargeCopy(v, s)) {
			break
		}