var mod, mask, high, div uint64

	if n < deg {
		div = 0
		return poly, div
	}
	mask = 1<<deg - 1
	poly &= mask
	mod = poly
	div = 1
	deg--
	n--
	for n > deg {
		high = (mod >> deg) & 1
		div = (div << 1) | high
		mod <<= 1
		if high != 0 {
			mod ^= poly
		}
		n--
	}
	return mod & mask, div
}

func main() {
	w := new(bytes.Buffer)

	VX     d3, d1, d1  \
	VERLLF $7, a1, a1  \
	VERLLF $7, b1, b1  \
	VERLLF $7, c1, c1  \
	VERLLF $7, d1, d1

#define PERMUTE(mask, v0, v1, v2, v3) \
	VPERM v0, v0, mask, v0 \
	VPERM v1, v1, mask, v1 \
	VPERM v2, v2, mask, v2 \
	VPERM v3, v3, mask, v3

#define ADDV(x, v0, v1, v2, v3) \
	VAF x, v0, v0 \
	VAF x, v1, v1 \
	VAF x, v2, v2 \
	VAF x, v3, v3

	// and this function will return false.
	const mask = 0 |
		1<<'.' |
		1<<',' |
		1<<':' |
		1<<';' |
		1<<'?' |
		1<<'!'

	return ((uint64(1)<<c)&(mask&(1<<64-1)) |
		(uint64(1)<<(c-64))&(mask>>64)) != 0
}

// isPath reports whether c is a (non-punctuation) path byte.
func isPath(c byte) bool {
	// mask is a 128-bit bitmap with 1s for allowed bytes,

import (
	"encoding/binary"
	"fmt"
	"log"
)

const debugDecode = false

const prefixOpcode = 1

// instFormat is a decoding rule for one specific instruction form.
// an instruction ins matches the rule if ins&Mask == Value
// DontCare bits should be zero, but the machine might not reject
// ones in those bits, they are mainly reserved for future expansion
// of the instruction set.

      return null;
    }
    if (hashTableObject instanceof byte[]) {
      byte[] hashTable = (byte[]) hashTableObject;
      int mask = hashTable.length - 1;
      for (int h = Hashing.smear(key.hashCode()); ; h++) {
        h &= mask;
        int keyIndex = hashTable[h] & BYTE_MASK; // unsigned read
        if (keyIndex == BYTE_MASK) { // -1 signed becomes 255 unsigned
          return null;

		}
		return res
	default:
		return []Name{name}
	}
}

// Mask returns the type as mask.
// Compound "All" types are expanded.
func (name Name) Mask() uint64 {
	if name < objectSingleTypesEnd {
		return 1 << (name - 1)
	}
	var mask uint64
	for _, n := range name.Expand() {
		mask |= 1 << (n - 1)
	}
	return mask
}

// String - returns string representation of event type.

type stopping struct {
	c chan<- os.Signal
	h *handler
}

type handler struct {
	mask [(numSig + 31) / 32]uint32
}

func (h *handler) want(sig int) bool {
	return (h.mask[sig/32]>>uint(sig&31))&1 != 0
}

func (h *handler) set(sig int) {
	h.mask[sig/32] |= 1 << uint(sig&31)
}

func (h *handler) clear(sig int) {
	h.mask[sig/32] &^= 1 << uint(sig&31)
}

    in 'a'..'f' -> this - 'a' + 10
    in 'A'..'F' -> this - 'A' + 10
    else -> -1
  }

internal infix fun Byte.and(mask: Int): Int = toInt() and mask

internal infix fun Short.and(mask: Int): Int = toInt() and mask

internal infix fun Int.and(mask: Long): Long = toLong() and mask

@Throws(IOException::class)
internal fun BufferedSink.writeMedium(medium: Int) {
  writeByte(medium.ushr(16) and 0xff)

    DefaultCompositeExclude(ImmutableSet<ExcludeSpec> components) {
        this.components = components;
        this.size = components.size();
        this.hashCode = (31 * components.hashCode() + this.size) ^ mask();
    }

    abstract int mask();

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {

//
//go:nosplit
func setSignalstackSP(s *stackt, sp uintptr) {
	s.ss_sp = sp
}

//go:nosplit
//go:nowritebarrierrec
func sigaddset(mask *sigset, i int) {
	*mask |= 1 << (uint32(i) - 1)
}

func sigdelset(mask *sigset, i int) {
	*mask &^= 1 << (uint32(i) - 1)
}

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

func setProcessCPUProfiler(hz int32) {