SIGSYS    = C.SIGSYS

	FPE_INTDIV = C.FPE_INTDIV & 0xFFFF
	FPE_INTOVF = C.FPE_INTOVF & 0xFFFF
	FPE_FLTDIV = C.FPE_FLTDIV & 0xFFFF
	FPE_FLTOVF = C.FPE_FLTOVF & 0xFFFF
	FPE_FLTUND = C.FPE_FLTUND & 0xFFFF
	FPE_FLTRES = C.FPE_FLTRES & 0xFFFF
	FPE_FLTINV = C.FPE_FLTINV & 0xFFFF
	FPE_FLTSUB = C.FPE_FLTSUB & 0xFFFF

	BUS_ADRALN = C.BUS_ADRALN & 0xFFFF
	BUS_ADRERR = C.BUS_ADRERR & 0xFFFF
	BUS_OBJERR = C.BUS_OBJERR & 0xFFFF

    val flags = buf.readShort().toInt() and 0xffff
    require(flags shr 15 != 0) { "not a response" }

    val responseCode = flags and 0xf

    if (responseCode == NXDOMAIN) {
      throw UnknownHostException("$hostname: NXDOMAIN")
    } else if (responseCode == SERVFAIL) {
      throw UnknownHostException("$hostname: SERVFAIL")
    }

    val questionCount = buf.readShort().toInt() and 0xffff

				b.WriteString(repl)
				written = i + w
			}
		} else if badRunes {
			// No-op.
			// IE does not allow these ranges in unquoted attrs.
		} else if 0xfdd0 <= r && r <= 0xfdef || 0xfff0 <= r && r <= 0xffff {
			if written == 0 {
				b.Grow(len(s))
			}
			fmt.Fprintf(b, "%s&#x%x;", s[written:i], r)
			written = i + w
		}
	}
	if written == 0 {
		return s
	}
	b.WriteString(s[written:])

        -1                  | _
        0xff                | _
        0xffdd              | _
        0xffddcc            | _
        0xffddccbb          | _
        0xffddccbbaa        | _
        0xffddccbbaa99      | _
        0xffddccbbaa9988    | _
        0x7fddccbbaa998877  | _
        -0xff               | _
        -0xffdd             | _
        -0xffddcc           | _

big_loop:
	MOVOU	(SI), X0
	MOVOU	(DI), X1
	PCMPEQB X0, X1
	PMOVMSKB X1, AX
	XORQ	$0xffff, AX
	JNE	diff16

	MOVOU	16(SI), X0
	MOVOU	16(DI), X1
	PCMPEQB X0, X1
	PMOVMSKB X1, AX
	XORQ	$0xffff, AX
	JNE	diff32

	MOVOU	32(SI), X0
	MOVOU	32(DI), X1
	PCMPEQB X0, X1
	PMOVMSKB X1, AX
	XORQ	$0xffff, AX
	JNE	diff48

	MOVOU	48(SI), X0
	MOVOU	48(DI), X1
	PCMPEQB X0, X1

	IP_IPSEC_REMOTE_AUTH              = 0x1c
	IP_IPSEC_REMOTE_CRED              = 0x1a
	IP_IPSEC_REMOTE_ID                = 0x18
	IP_MAXPACKET                      = 0xffff
	IP_MAX_MEMBERSHIPS                = 0xfff
	IP_MF                             = 0x2000
	IP_MINTTL                         = 0x20
	IP_MIN_MEMBERSHIPS                = 0xf
	IP_MSS                            = 0x240

            }
            switch( sbuf[0] & 0xFF ) {
                case SessionServicePacket.POSITIVE_SESSION_RESPONSE:
                    if( log.level >= 4 )
                        log.println( "session established ok with " + address );
                    return;
                case SessionServicePacket.NEGATIVE_SESSION_RESPONSE:
                    int errorCode = (int)( in.read() & 0xFF );
                    switch (errorCode) {

                int _name_bufferi = _src.index;
                _src.advance(2 * _name_bufferl);

                if ( this.name.buffer == null ) {
                    if ( _name_buffers < 0 || _name_buffers > 0xFFFF )
                        throw new NdrException(NdrException.INVALID_CONFORMANCE);
                    this.name.buffer = new short[_name_buffers];
                }
                _src = _src.derive(_name_bufferi);

	IN_CLASSA_NET                 = 0xff000000
	IN_CLASSA_NSHIFT              = 0x18
	IN_CLASSB_HOST                = 0xffff
	IN_CLASSB_MAX                 = 0x10000
	IN_CLASSB_NET                 = 0xffff0000
	IN_CLASSB_NSHIFT              = 0x10
	IN_CLASSC_HOST                = 0xff
	IN_CLASSC_NET                 = 0xffffff00
	IN_CLASSC_NSHIFT              = 0x8
	IN_CLASSD_HOST                = 0xfffffff

// about 16- vs 32-bit moves during splitContractIndex.

// Issue 3910.

package main

func main() {
	const c = 0x12345678
	index, n, offset := splitContractIndex(c)
	if index != int((c&0xffff)>>5) || n != int(c&(1<<5-1)) || offset != (c>>16)&(1<<14-1) {
		println("BUG", index, n, offset)
	}
}

func splitContractIndex(ce uint32) (index, n, offset int) {
	h := uint16(ce)