v.Aux = symToAux(s)
		v.AddArg2(ptr, mem)
		return true
	}
	// match: (MOVBstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
	// cond: ptr.Op != OpSB && canMergeSym(sym1, sym2) && sc.canAdd32(off)
	// result: (MOVBstoreconst [sc.addOffset32(off)] {mergeSym(sym1, sym2)} ptr mem)
	for {
		sc := auxIntToValAndOff(v.AuxInt)
		sym1 := auxToSym(v.Aux)
		if v_0.Op != OpS390XMOVDaddr {
			break
		}