// 'and' with an int to get a valid table index.
  private final transient int mask;
  private final transient int size;

  RegularImmutableSet(
      @Nullable Object[] elements, int hashCode, @Nullable Object[] table, int mask, int size) {
    this.elements = elements;
    this.hashCode = hashCode;
    this.table = table;
    this.mask = mask;
    this.size = size;
  }

  @Override

	ANDQ $15, BX
	JZ end

	// Create mask to ignore overlap between previous 16 byte block
	// and the next.
	MOVQ $16,CX
	SUBQ BX, CX
	MOVQ $0xFFFF, R10
	SARQ CL, R10
	SALQ CL, R10

	// Process the last 16-byte chunk. This chunk may overlap with the
	// chunks we've already searched so we need to mask part of it.
	MOVOU	(AX), X1
	PCMPEQB	X0, X1
	PMOVMSKB X1, DX
	// Apply mask
	ANDQ R10, DX
	POPCNTL DX, DX

// func archCeil(x float64) float64
TEXT ·archCeil(SB),NOSPLIT,$0
	MOVQ	x+0(FP), AX
	MOVQ	$~(1<<63), DX // sign bit mask
	MOVQ	AX, BX // BX = copy of x
	ANDQ    DX, BX // BX = |x|
	MOVQ    $Big, CX // if |x| >= 2**52 or IsNaN(x), return x
	CMPQ    BX, CX
	JAE     isBig_ceil
	MOVQ	AX, X0 // X0 = x
	MOVQ	DX, X2 // X2 = sign bit mask
	CVTTSD2SQ	X0, AX
	ANDNPD	X0, X2 // X2 = sign
	CVTSQ2SD	AX, X1	// X1 = float(int(x))

    int hash = smearedHash(key);
    int mask = hashTableMask();
    int tableIndex = hash & mask;
    int next = CompactHashing.tableGet(requireTable(), tableIndex);
    if (next == UNSET) { // uninitialized bucket
      if (newSize > mask) {
        // Resize and add new entry
        mask = resizeTable(mask, CompactHashing.newCapacity(mask), hash, newEntryIndex);
      } else {

	// the address of the first word referenced by mask.
	addr uintptr

	// mask is a bitmask where each bit corresponds to pointer-words after addr.
	// Bit 0 is the pointer-word at addr, Bit 1 is the next word, and so on.
	// If a bit is 1, then there is a pointer at that word.
	// nextFast and next mask out bits in this mask as their pointers are processed.
	mask uintptr

	var ifat []Addr
	for _, a := range as {
		var ip IP
		var mask IPMask
		switch a := a.(type) {
		case *lif.Inet4Addr:
			ip = IPv4(a.IP[0], a.IP[1], a.IP[2], a.IP[3])
			mask = CIDRMask(a.PrefixLen, 8*IPv4len)
		case *lif.Inet6Addr:
			ip = make(IP, IPv6len)
			copy(ip, a.IP[:])
			mask = CIDRMask(a.PrefixLen, 8*IPv6len)
		}
		ifat = append(ifat, &IPNet{IP: ip, Mask: mask})
	}
	return ifat, nil
}

static void segvHandler(int signo, siginfo_t* info, void* ctxt) {
	sigset_t mask;
	int i;

	// Call an arbitrary function that requires the stack to be properly aligned.
	callWithVarargs("dummy arg", 3.1415);

	if (sigemptyset(&mask) < 0) {
		die("sigemptyset");
	}
	if (sigaddset(&mask, SIGSEGV) < 0) {
		die("sigaddset");
	}
	i = sigprocmask(SIG_UNBLOCK, &mask, NULL);
	if (i != 0) {

	bitmask.IterateBitMasks(m.numaNodes, func(mask bitmask.BitMask) {
		// First, update minAffinitySize for the current request size.
		devicesInMask := 0
		for _, device := range m.allDevices[resource] {
			if mask.AnySet(m.getNUMANodeIds(device.Topology)) {
				devicesInMask++
			}
		}
		if devicesInMask >= request && mask.Count() < minAffinitySize {
			minAffinitySize = mask.Count()
		}

	// Since golden is a newly allocated image, we don't have to check if the
	// input source and mask images and the output golden image overlap.
	b := dst.Bounds()
	sb := src.Bounds()
	mb := image.Rect(-1e9, -1e9, 1e9, 1e9)
	if mask != nil {
		mb = mask.Bounds()
	}

		expectedErr                 bool
	}{
		{
			name:        "subnet mask 24",
			svcSubnet:   "10.96.0.12/24",
			expectedIP:  "10.96.0.1",
			expectedErr: false,
		},
		{
			name:        "subnet mask 12",
			svcSubnet:   "10.96.0.0/12",
			expectedIP:  "10.96.0.1",
			expectedErr: false,
		},
		{
			name:        "subnet mask 26",
			svcSubnet:   "10.87.116.64/26",
			expectedIP:  "10.87.116.65",