(Div32u x (Const32 [c])) && umagicOK32(c) && config.RegSize == 4 && c&1 == 0 && config.useHmul =>
  (Rsh32Ux64 <typ.UInt32>
    (Hmul32u <typ.UInt32>
      (Const32 <typ.UInt32> [int32(1<<31+(umagic32(c).m+1)/2)])
      (Rsh32Ux64 <typ.UInt32> x (Const64 <typ.UInt64> [1])))
    (Const64 <typ.UInt64> [umagic32(c).s-2]))
(Div32u x (Const32 [c])) && umagicOK32(c) && config.RegSize == 4 && config.useAvg && config.useHmul =>

	// match: (Div32u x (Const32 [c]))
	// cond: umagicOK32(c) && config.RegSize == 4 && umagic32(c).m&1 == 0 && config.useHmul
	// result: (Rsh32Ux64 <typ.UInt32> (Hmul32u <typ.UInt32> (Const32 <typ.UInt32> [int32(1<<31+umagic32(c).m/2)]) x) (Const64 <typ.UInt64> [umagic32(c).s-1]))
	for {
		x := v_0
		if v_1.Op != OpConst32 {
			break
		}
		c := auxIntToInt32(v_1.AuxInt)

	}
	M.SetBit(M, int(n), 0)
	m := M.Uint64()
	return umagicData{s: int64(s), m: m}
}

func umagic8(c int8) umagicData   { return umagic(8, int64(c)) }
func umagic16(c int16) umagicData { return umagic(16, int64(c)) }
func umagic32(c int32) umagicData { return umagic(32, int64(c)) }
func umagic64(c int64) umagicData { return umagic(64, c) }

// For signed division, we use a similar strategy.
// First, we enforce a positive c.

	if len(b) < len(magic32) || string(b[:len(magic32)]) != magic32 {
		return errors.New("hash/fnv: invalid hash state identifier")
	}
	if len(b) != marshaledSize32 {
		return errors.New("hash/fnv: invalid hash state size")
	}
	*s = sum32(byteorder.BeUint32(b[4:]))
	return nil
}

func (s *sum32a) UnmarshalBinary(b []byte) error {
	if len(b) < len(magic32a) || string(b[:len(magic32a)]) != magic32a {

		}
		j = delta
	}
	if x.before != magic32 || x.after != magic32 {
		t.Fatalf("wrong magic: %#x _ %#x != %#x _ %#x", x.before, x.after, magic32, magic32)
	}
}

func TestSwapInt32Method(t *testing.T) {
	var x struct {
		before int32
		i      Int32
		after  int32
	}
	x.before = magic32
	x.after = magic32
	var j int32
	for delta := int32(1); delta+delta > delta; delta += delta {

	machoMagicLittle := binary.LittleEndian.Uint32(header[:])
	machoMagicBig := binary.BigEndian.Uint32(header[:])

	if machoMagicLittle == macho.Magic32 || machoMagicLittle == macho.Magic64 ||
		machoMagicBig == macho.Magic32 || machoMagicBig == macho.Magic64 {
		f, err := b.openMachO(name, start, limit, offset)
		if err != nil {
			return nil, fmt.Errorf("error reading Mach-O file %s: %v", name, err)
		}

		$2 ~ /^KEYCTL_/ ||
		$2 ~ /^PERF_/ ||
		$2 ~ /^SECCOMP_/ ||
		$2 ~ /^SEEK_/ ||
		$2 ~ /^SCHED_/ ||
		$2 ~ /^SPLICE_/ ||
		$2 ~ /^SYNC_FILE_RANGE_/ ||
		$2 !~ /IOC_MAGIC/ &&
		$2 ~ /^[A-Z][A-Z0-9_]+_MAGIC2?$/ ||
		$2 ~ /^(VM|VMADDR)_/ ||
		$2 ~ /^IOCTL_VM_SOCKETS_/ ||
		$2 ~ /^(TASKSTATS|TS)_/ ||
		$2 ~ /^CGROUPSTATS_/ ||
		$2 ~ /^GENL_/ ||
		$2 ~ /^STATX_/ ||
		$2 ~ /^RENAME/ ||
		$2 ~ /^UBI_IOC[A-Z]/ ||

func PtraceAttach(pid int) (err error) { return ptrace(PTRACE_ATTACH, pid, 0, 0) }

func PtraceDetach(pid int) (err error) { return ptrace(PTRACE_DETACH, pid, 0, 0) }

//sys	reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error)

func Reboot(cmd int) (err error) {
	return reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, cmd, "")
}

func ReadDirent(fd int, buf []byte) (n int, err error) {

		{"LoadCmdRpath", Const, 10},
		{"LoadCmdSegment", Const, 0},
		{"LoadCmdSegment64", Const, 0},
		{"LoadCmdSymtab", Const, 0},
		{"LoadCmdThread", Const, 0},
		{"LoadCmdUnixThread", Const, 0},
		{"Magic32", Const, 0},
		{"Magic64", Const, 0},
		{"MagicFat", Const, 3},
		{"NewFatFile", Func, 3},
		{"NewFile", Func, 0},
		{"Nlist32", Type, 0},
		{"Nlist32.Desc", Field, 0},
		{"Nlist32.Name", Field, 0},