default:
		return "", 0
	}

	s, base := symname(disp)
	return s, int64(disp) - int64(base)
}

var plan9Suffix = [maxOp + 1]bool{
	ADC:       true,
	ADD:       true,
	AND:       true,
	BSF:       true,
	BSR:       true,
	BT:        true,
	BTC:       true,
	BTR:       true,
	BTS:       true,
	CMP:       true,
	CMPXCHG:   true,
	CVTSI2SD:  true,
	CVTSI2SS:  true,
	CVTSD2SI:  true,

(CMPXCHGLlock [off1] {sym} (ADDQconst [off2] ptr) old new_ mem) && is32Bit(int64(off1)+int64(off2)) =>
	(CMPXCHGLlock [off1+off2] {sym} ptr old new_ mem)

// We don't need the conditional move if we know the arg of BSF is not zero.
(CMOVQEQ x _ (Select1 (BS(F|R)Q (ORQconst [c] _)))) && c != 0 => x
// Extension is unnecessary for trailing zeros.
(BSFQ (ORQconst <t> [1<<8] (MOVBQZX x))) => (BSFQ (ORQconst <t> [1<<8] x))

  <mime-type type="application/tve-trigger"/>
  <mime-type type="application/ulpfec"/>
  <mime-type type="application/vemmi"/>
  <mime-type type="application/vividence.scriptfile"/>
  <mime-type type="application/vnd.3gpp.bsf+xml"/>
  <mime-type type="application/vnd.3gpp.pic-bw-large">
    <glob pattern="*.plb"/>
  </mime-type>
  <mime-type type="application/vnd.3gpp.pic-bw-small">
    <glob pattern="*.psb"/>
  </mime-type>