}
			v.reset(Op386ORLmodify)
			v.AuxInt = int32ToAuxInt(off)
			v.Aux = symToAux(sym)
			v.AddArg3(ptr, x, mem)
			return true
		}
		break
	}
	// match: (MOVLstore {sym} [off] ptr y:(XORL l:(MOVLload [off] {sym} ptr mem) x) mem)
	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
	// result: (XORLmodify [off] {sym} ptr x mem)
	for {
		off := auxIntToInt32(v.AuxInt)
		sym := auxToSym(v.Aux)