(XORload   [off1] {sym} x (ADDconst [off2] ptr) mem) && ptr.Op != OpSB && is20Bit(int64(off1)+int64(off2)) => (XORload   [off1+off2] {sym} x ptr mem)
(XORWload  [off1] {sym} x (ADDconst [off2] ptr) mem) && ptr.Op != OpSB && is20Bit(int64(off1)+int64(off2)) => (XORWload  [off1+off2] {sym} x ptr mem)

// Fold constants into stores.
(MOVDstore [off] {sym} ptr (MOVDconst [c]) mem) && is16Bit(c) && isU12Bit(int64(off)) && ptr.Op != OpSB =>

		{name: "XORload", argLength: 3, reg: gpopload, asm: "XOR", aux: "SymOff", resultInArg0: true, clobberFlags: true, faultOnNilArg1: true, symEffect: "Read"},   // arg0 ^ *arg1. arg2=mem
		{name: "XORWload", argLength: 3, reg: gpopload, asm: "XORW", aux: "SymOff", resultInArg0: true, clobberFlags: true, faultOnNilArg1: true, symEffect: "Read"}, // arg0 ^ *arg1. arg2=mem

		// Arithmetic ops with carry/borrow chain.
		//

}
func rewriteValueS390X_OpS390XXORWload(v *Value) bool {
	v_2 := v.Args[2]
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	// match: (XORWload [off1] {sym} x (ADDconst [off2] ptr) mem)
	// cond: ptr.Op != OpSB && is20Bit(int64(off1)+int64(off2))
	// result: (XORWload [off1+off2] {sym} x ptr mem)
	for {
		off1 := auxIntToInt32(v.AuxInt)
		sym := auxToSym(v.Aux)
		x := v_0
		if v_1.Op != OpS390XADDconst {

			},
			outputs: []outputInfo{
				{0, 23551}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R11 R12 R14
			},
		},
	},
	{
		name:           "XORWload",
		auxType:        auxSymOff,
		argLen:         3,
		resultInArg0:   true,
		clobberFlags:   true,
		faultOnNilArg1: true,
		symEffect:      SymRead,
		asm:            s390x.AXORW,