r1, _, e1 := syscall.Syscall(procMoveFileExW.Addr(), 3, uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(to)), uintptr(flags))
	if r1 == 0 {
		err = errnoErr(e1)
	}
	return
}

func MoveFile(from *uint16, to *uint16) (err error) {
	r1, _, e1 := syscall.Syscall(procMoveFileW.Addr(), 2, uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(to)), 0)
	if r1 == 0 {
		err = errnoErr(e1)
	}
	return
}

// 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
	}
	// 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
		}