succs[0], succs[1] = succs[1], succs[0]
		mask = mask.Inverse()
	}

	p := s.Br(blockAsm(b), succs[0])
	switch b.Kind {
	case ssa.BlockS390XBRC:
		p.From.Type = obj.TYPE_CONST
		p.From.Offset = int64(mask)
	case ssa.BlockS390XCGRJ, ssa.BlockS390XCRJ,
		ssa.BlockS390XCLGRJ, ssa.BlockS390XCLRJ:
		p.From.Type = obj.TYPE_CONST
		p.From.Offset = int64(mask & s390x.NotUnordered) // unordered is not possible

	op_TMH     uint32 = 0xA700 // FORMAT_RI1        TEST UNDER MASK HIGH
	op_TMHH    uint32 = 0xA702 // FORMAT_RI1        TEST UNDER MASK (high high)
	op_TMHL    uint32 = 0xA703 // FORMAT_RI1        TEST UNDER MASK (high low)
	op_TML     uint32 = 0xA701 // FORMAT_RI1        TEST UNDER MASK LOW
	op_TMLH    uint32 = 0xA700 // FORMAT_RI1        TEST UNDER MASK (low high)

        return new DefaultExcludeAllOf(components);
    }

    private DefaultExcludeAllOf(ImmutableSet<ExcludeSpec> components) {
        super(components);
    }

    @Override
    int mask() {
        return 1877062907;
    }

    private Boolean mayExcludeArtifacts;

    @Override
    protected String getDisplayName() {
        return "all of";
    }

    @Override

			v = 0
		} else if v > 32 {
			v = 32
		}
		var mask [2]uint8
		switch p.As {
		case AROTLW:
			mask[0], mask[1] = 0, 31
		case ASRW, ASRWCC:
			mask[0], mask[1] = uint8(v), 31
			v = 32 - v
		default:
			mask[0], mask[1] = 0, uint8(31-v)
		}
		o1 = OP_RLW(OP_RLWINM, uint32(p.To.Reg), uint32(r), uint32(v), uint32(mask[0]), uint32(mask[1]))
		if p.As == ASLWCC || p.As == ASRWCC {

}

// 64x64 -> 128 multiply.
// adapted from hacker's delight.
func mullu(u, v uint64) (lo, hi uint64) {
	const (
		s    = 32
		mask = 1<<s - 1
	)
	u0 := u & mask
	u1 := u >> s
	v0 := v & mask
	v1 := v >> s
	w0 := u0 * v0
	t := u1*v0 + w0>>s
	w1 := t & mask
	w2 := t >> s
	w1 += u0 * v1
	return u * v, u1*v1 + w2 + w1>>s
}

// 128/64 -> 64 quotient, 64 remainder.

docker0	000011AC	00000000	0001	0	0	0	0000FFFF	0	0	0                                                                            
virbr0	007AA8C0	00000000	0001	0	0	0	00FFFFFF	0	0	0            
`

func setSignalstackSP(s *stackt, sp uintptr) {
	*(*uintptr)(unsafe.Pointer(&s.ss_sp)) = sp
}

//go:nosplit
//go:nowritebarrierrec
func sigaddset(mask *sigset, i int) {
	mask.__sigbits[(i-1)/32] |= 1 << ((uint32(i) - 1) & 31)
}

func sigdelset(mask *sigset, i int) {
	mask.__sigbits[(i-1)/32] &^= 1 << ((uint32(i) - 1) & 31)
}

//go:nosplit
func (c *sigctxt) fixsigcode(sig uint32) {
}

	SYS_PPOLL          = 109 // { int sys_ppoll(struct pollfd *fds, u_int nfds, const struct timespec *ts, const sigset_t *mask); }
	SYS_PSELECT        = 110 // { int sys_pselect(int nd, fd_set *in, fd_set *ou, fd_set *ex, const struct timespec *ts, const sigset_t *mask); }
	SYS_SIGSUSPEND     = 111 // { int sys_sigsuspend(int mask); }
	SYS_SENDSYSLOG     = 112 // { int sys_sendsyslog(const char *buf, size_t nbyte, int flags); }

	SYS_PPOLL          = 109 // { int sys_ppoll(struct pollfd *fds, u_int nfds, const struct timespec *ts, const sigset_t *mask); }
	SYS_PSELECT        = 110 // { int sys_pselect(int nd, fd_set *in, fd_set *ou, fd_set *ex, const struct timespec *ts, const sigset_t *mask); }
	SYS_SIGSUSPEND     = 111 // { int sys_sigsuspend(int mask); }
	SYS_SENDSYSLOG     = 112 // { int sys_sendsyslog(const char *buf, size_t nbyte, int flags); }

    Object[] table = new Object[tableSize];
    int mask = tableSize - 1;
    int hashCode = 0;
    int uniques = 0;
    for (int i = 0; i < n; i++) {
      Object element = checkElementNotNull(elements[i], i);
      int hash = element.hashCode();
      for (int j = Hashing.smear(hash); ; j++) {
        int index = j & mask;
        Object value = table[index];
        if (value == null) {