continue
			}
			c := auxIntToInt64(v_1.AuxInt)
			v.reset(OpS390XADDWconst)
			v.AuxInt = int32ToAuxInt(int32(c))
			v.AddArg(x)
			return true
		}
		break
	}
	// match: (ADDW x (NEGW y))
	// result: (SUBW x y)
	for {
		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
			x := v_0
			if v_1.Op != OpS390XNEGW {
				continue
			}
			y := v_1.Args[0]