out = r.hi
	lo = r.lo
	SHLQ(Imm(64-51), r.lo, r.hi)
	r.lo, r.hi = nil, nil // make sure the uint128 is unusable
	return
}

// maskAndAdd sets r = r&mask + c*i.
func maskAndAdd(r, mask, c GPVirtual, i uint64) {
	ANDQ(mask, r)
	if i != 1 {
		IMUL3Q(Imm(i), c, c)
	}
	ADDQ(c, r)
}

func mustAddr(c Component) Op {
	b, err := c.Resolve()
	if err != nil {
		panic(err)
	}

	uaddr := uintptr(unsafe.Pointer(addr))
	addr32 := (*uint32)(unsafe.Pointer(uaddr &^ 3))
	word := uint32(v) << ((uaddr & 3) * 8)    // little endian
	mask := uint32(0xFF) << ((uaddr & 3) * 8) // little endian
	word |= ^mask
	for {
		old := *addr32
		if Cas(addr32, old, old&word) {
			return
		}
	}
}

//go:nosplit
func Or(addr *uint32, v uint32) {
	for {
		old := *addr

	// bigger cidr (specially those offered by IPv6) will add no value
	// significantly increase snapshotting time.
	var ones, bits = cidr.Mask.Size()
	if bits-ones > maxCIDRBits {
		return fmt.Errorf("specified %s is too large; for %d-bit addresses, the mask must be >= %d", cidrFlag, bits, bits-maxCIDRBits)
	}

	return nil
}

func validateServiceNodePort(options Extra) []error {
	var errs []error

	peerRESTReleaseInfo = "releaseinfo"

	peerRESTListenBucket = "bucket"
	peerRESTListenPrefix = "prefix"
	peerRESTListenSuffix = "suffix"
	peerRESTListenEvents = "events"
	peerRESTLogMask      = "log-mask"

	//    DHCP enabled:                         Yes
	//    IP Address:                           10.0.0.2
	//    Subnet Prefix:                        10.0.0.0/24 (mask 255.255.255.0)
	//    IP Address:                           10.0.0.3
	//    Subnet Prefix:                        10.0.0.0/24 (mask 255.255.255.0)
	//    Default Gateway:                      10.0.0.254
	//    Gateway Metric:                       0

		n = n*10 + c - '0'
	}
	a.dp -= r - 1

	var mask uint = (1 << k) - 1

	// Pick up a digit, put down a digit.
	for ; r < a.nd; r++ {
		c := uint(a.d[r])
		dig := n >> k
		n &= mask
		a.d[w] = byte(dig + '0')
		w++
		n = n*10 + c - '0'
	}

	// Put down extra digits.
	for n > 0 {
		dig := n >> k
		n &= mask
		if w < len(a.d) {
			a.d[w] = byte(dig + '0')
			w++

	m = m * (2 - m*d0) // 6-bits
	m = m * (2 - m*d0) // 12-bits
	m = m * (2 - m*d0) // 24-bits
	m = m * (2 - m*d0) // 48-bits
	m = m * (2 - m*d0) // 96-bits >= 64-bits
	m = m & mask

	max := mask / d

	return udivisibleData{
		k:   int64(k),
		m:   m,
		max: max,
	}
}

func udivisible8(c int8) udivisibleData   { return udivisible(8, int64(c)) }

    }

    /**
     * Masks a string against Ant property expansion.
     * This needs to be used when adding a File as String property
     * via {@link groovy.ant.AntBuilder}.
     * @param string to mask
     * @return The masked String
     */
    public static String maskFilename(String string) {
            return string.replaceAll("\\$", "\\$\\$");
    }

		// Check if XMM and YMM registers have OS support.
		osSupportsAVX = isSet(1, eax) && isSet(2, eax)

		if runtime.GOOS == "darwin" {
			// Darwin doesn't save/restore AVX-512 mask registers correctly across signal handlers.
			// Since users can't rely on mask register contents, let's not advertise AVX-512 support.
			// See issue 49233.
			osSupportsAVX512 = false
		} else {
			// Check if OPMASK and ZMM registers have OS support.

		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