_HW_NCPUONLINE = 25
)

func sysctlInt(mib []uint32) (int32, bool) {
	var out int32
	nout := unsafe.Sizeof(out)
	ret := sysctl(&mib[0], uint32(len(mib)), (*byte)(unsafe.Pointer(&out)), &nout, nil, 0)
	if ret < 0 {
		return 0, false
	}
	return out, true
}

func sysctlUint64(mib []uint32) (uint64, bool) {
	var out uint64
	nout := unsafe.Sizeof(out)

//go:noescape
func sys_umtx_op(addr *uint32, mode int32, val uint32, uaddr1 uintptr, ut *umtx_time) int32

func osyield()

//go:nosplit
func osyield_no_g() {
	osyield()
}

func kqueue() int32

//go:noescape
func kevent(kq int32, ch *keventt, nch int32, ev *keventt, nev int32, ts *timespec) int32

func pipe2(flags int32) (r, w int32, errno int32)
func fcntl(fd, cmd, arg int32) (ret int32, errno int32)

func issetugid() int32

		ARM | uint32(elf.R_ARM_GOT32)<<16,
		ARM | uint32(elf.R_ARM_PLT32)<<16,
		ARM | uint32(elf.R_ARM_GOTOFF)<<16,
		ARM | uint32(elf.R_ARM_GOTPC)<<16,
		ARM | uint32(elf.R_ARM_THM_PC22)<<16,
		ARM | uint32(elf.R_ARM_REL32)<<16,
		ARM | uint32(elf.R_ARM_CALL)<<16,
		ARM | uint32(elf.R_ARM_V4BX)<<16,
		ARM | uint32(elf.R_ARM_GOT_PREL)<<16,
		ARM | uint32(elf.R_ARM_PC24)<<16,

	ilocalsym      uint32
	nlocalsym      uint32
	iextdefsym     uint32
	nextdefsym     uint32
	iundefsym      uint32
	nundefsym      uint32
	tocoff         uint32
	ntoc           uint32
	modtaboff      uint32
	nmodtab        uint32
	extrefsymoff   uint32
	nextrefsyms    uint32
	indirectsymoff uint32
	nindirectsyms  uint32
	extreloff      uint32
	nextrel        uint32
	locreloff      uint32

// A Uint32 is an atomic uint32. The zero value is zero.
type Uint32 struct {
	_ noCopy
	v uint32
}

// Load atomically loads and returns the value stored in x.
func (x *Uint32) Load() uint32 { return LoadUint32(&x.v) }

// Store atomically stores val into x.
func (x *Uint32) Store(val uint32) { StoreUint32(&x.v, val) }

(Lsh8x64   x (Const64 [c])) && uint32(c) < 8  => (SLLconst x [int32(c)])
(Rsh8x64   x (Const64 [c])) && uint32(c) < 8  => (SRAconst (SLLconst <typ.UInt32> x [24]) [int32(c+24)])
(Rsh8Ux64  x (Const64 [c])) && uint32(c) < 8  => (SRLconst (SLLconst <typ.UInt32> x [24]) [int32(c+24)])

// large constant shifts
(Lsh32x64 _ (Const64 [c]))  && uint32(c) >= 32 => (MOVWconst [0])

		dev := uint64(sys.Rdev) // May be int32 or uint32
		switch runtime.GOOS {
		case "aix":
			var major, minor uint32
			major = uint32((dev & 0x3fffffff00000000) >> 32)
			minor = uint32((dev & 0x00000000ffffffff) >> 0)
			h.Devmajor, h.Devminor = int64(major), int64(minor)
		case "linux":
			// Copied from golang.org/x/sys/unix/dev_linux.go.
			major := uint32((dev & 0x00000000000fff00) >> 8)

	}
	{
		var in int32 = (1 << 30) + 1
		var p int32
		got := loadHitStore32(in, &p)
		want := int64(in * in)
		if got != want {
			t.Errorf("testLoadHitStore (int32) failed. want = %d, got = %d", want, got)
		}
	}
	{
		var in uint32 = (1 << 30) + 1
		var p uint32
		got := loadHitStoreU32(in, &p)
		want := uint64(in * in)
		if got != want {

	floatsave         floatingsavearea
	seggs             uint32
	segfs             uint32
	seges             uint32
	segds             uint32
	edi               uint32
	esi               uint32
	ebx               uint32
	edx               uint32
	ecx               uint32
	eax               uint32
	ebp               uint32
	eip               uint32
	segcs             uint32
	eflags            uint32

}

func fadd32(x, y uint32) uint32 {
	return f64to32(fadd64(f32to64(x), f32to64(y)))
}

func fmul32(x, y uint32) uint32 {
	return f64to32(fmul64(f32to64(x), f32to64(y)))
}

func fdiv32(x, y uint32) uint32 {
	// TODO: are there double-rounding problems here? See issue 48807.
	return f64to32(fdiv64(f32to64(x), f32to64(y)))
}

func feq32(x, y uint32) bool {