(ORN x (MOVDconst [-1])) => x

(S(RAD|RD|LD) x (MOVDconst [c])) => (S(RAD|RD|LD)const [c&63 | (c>>6&1*63)] x)
(S(RAW|RW|LW) x (MOVDconst [c])) => (S(RAW|RW|LW)const [c&31 | (c>>5&1*31)] x)

(Addr {sym} base) => (MOVDaddr {sym} [0] base)
(LocalAddr <t> {sym} base mem) && t.Elem().HasPointers() => (MOVDaddr {sym} (SPanchored base mem))
(LocalAddr <t> {sym} base _)  && !t.Elem().HasPointers() => (MOVDaddr {sym} base)

		v.Op = OpPPC64MOVBZreg
		return true
	case OpZeroExt8to64:
		v.Op = OpPPC64MOVBZreg
		return true
	}
	return false
}
func rewriteValuePPC64_OpAddr(v *Value) bool {
	v_0 := v.Args[0]
	// match: (Addr {sym} base)
	// result: (MOVDaddr {sym} [0] base)
	for {
		sym := auxToSym(v.Aux)
		base := v_0
		v.reset(OpPPC64MOVDaddr)
		v.AuxInt = int32ToAuxInt(0)
		v.Aux = symToAux(sym)
		v.AddArg(base)