func rewriteValuePPC64_OpPPC64ORN(v *Value) bool {
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	// match: (ORN x (MOVDconst [-1]))
	// result: x
	for {
		x := v_0
		if v_1.Op != OpPPC64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
			break
		}
		v.copyOf(x)
		return true
	}
	// match: (ORN (MOVDconst [c]) (MOVDconst [d]))
	// result: (MOVDconst [c|^d])
	for {