//extern gccgoGetCpuidCount
func gccgoGetCpuidCount(eaxArg, ecxArg uint32, eax, ebx, ecx, edx *uint32)

func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32) {
	var a, b, c, d uint32
	gccgoGetCpuidCount(eaxArg, ecxArg, &a, &b, &c, &d)
	return a, b, c, d
}

//extern gccgoXgetbv
func gccgoXgetbv(eax, edx *uint32)

func xgetbv() (eax, edx uint32) {
	var a, d uint32
	gccgoXgetbv(&a, &d)
	return a, d
}

	b[0] = byte(v)
	b[1] = byte(v >> 8)
}

func (binaryLittleEndian) Uint32(b []byte) uint32 {
	_ = b[3] // bounds check hint to compiler; see golang.org/issue/14808
	return uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24
}

func (binaryLittleEndian) PutUint32(b []byte, v uint32) {
	_ = b[3] // early bounds check to guarantee safety of writes below
	b[0] = byte(v)
	b[1] = byte(v >> 8)

	predictData       uint32
	inDupAck          uint32
	inBadSum          uint32
	inBadLen          uint32
	inShort           uint32
	inDiscOldTime     uint32
	inAllBeforeWin    uint32
	inSomeBeforeWin   uint32
	inAllAfterWin     uint32
	inSomeAfterWin    uint32
	inOutOfOrder      uint32
	inAfterClose      uint32
	inWinProbes       uint32
	inWinUpdates      uint32
	outWinUpdates     uint32

	SC	R3, (R1)
	BEQ	R3, -4(PC)
	SYNC
	RET

// func Or32(addr *uint32, v uint32) old uint32
TEXT ·Or32(SB), NOSPLIT, $0-20
	MOVV	ptr+0(FP), R1
	MOVW	val+8(FP), R2

	SYNC
	LL	(R1), R3
	OR	R2, R3, R4
	SC	R4, (R1)
	BEQ	R4, -3(PC)
	SYNC
	MOVW	R3, ret+16(FP)
	RET

// func And32(addr *uint32, v uint32) old uint32
TEXT ·And32(SB), NOSPLIT, $0-20
	MOVV	ptr+0(FP), R1
	MOVW	val+8(FP), R2

}

func (c RGBA64) RGBA() (r, g, b, a uint32) {
	return uint32(c.R), uint32(c.G), uint32(c.B), uint32(c.A)
}

// NRGBA represents a non-alpha-premultiplied 32-bit color.
type NRGBA struct {
	R, G, B, A uint8
}

func (c NRGBA) RGBA() (r, g, b, a uint32) {
	r = uint32(c.R)
	r |= r << 8
	r *= uint32(c.A)
	r /= 0xff
	g = uint32(c.G)
	g |= g << 8
	g *= uint32(c.A)
	g /= 0xff
	b = uint32(c.B)
	b |= b << 8

	b = b[i : i+4 : len(b)] // Help the compiler eliminate bounds checks on the next line.
	return uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24
}

func load64(b []byte, i int32) uint64 {
	b = b[i : i+8 : len(b)] // Help the compiler eliminate bounds checks on the next line.
	return uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 |
		uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56

	c.key = [8]uint32{
		binary.LittleEndian.Uint32(key[0:4]),
		binary.LittleEndian.Uint32(key[4:8]),
		binary.LittleEndian.Uint32(key[8:12]),
		binary.LittleEndian.Uint32(key[12:16]),
		binary.LittleEndian.Uint32(key[16:20]),
		binary.LittleEndian.Uint32(key[20:24]),
		binary.LittleEndian.Uint32(key[24:28]),
		binary.LittleEndian.Uint32(key[28:32]),
	}
	c.nonce = [3]uint32{

func setTimespec(sec, nsec int64) Timespec {
	return Timespec{Sec: sec, Nsec: int32(nsec)}
}

func setTimeval(sec, usec int64) Timeval {
	return Timeval{Sec: sec, Usec: int32(usec)}
}

func SetKevent(k *Kevent_t, fd, mode, flags int) {
	k.Ident = uint32(fd)
	k.Filter = int16(mode)
	k.Flags = uint16(flags)
}

func (iov *Iovec) SetLen(length int) {
	iov.Len = uint32(length)
}

func (msghdr *Msghdr) SetControllen(length int) {

	OriginalFirstThunk uint32
	TimeDateStamp      uint32
	ForwarderChain     uint32
	Name               uint32
	FirstThunk         uint32
}

type IMAGE_EXPORT_DIRECTORY struct {
	Characteristics       uint32
	TimeDateStamp         uint32
	MajorVersion          uint16
	MinorVersion          uint16
	Name                  uint32
	Base                  uint32
	NumberOfFunctions     uint32

// that was CSE'd.

package main

//go:noinline
func g(i uint64) uint64 {
	return uint64(uint32(i))
}

var sink uint64

func main() {
	for i := uint64(0); i < 1; i++ {
		i32 := int32(i - 1)
		sink = uint64((uint32(i32) << 1) ^ uint32((i32 >> 31)))
		x := g(uint64(i32))
		if x != uint64(uint32(i32)) {
			panic(x)
		}
	}