// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
	// result: (STP [off1+off2] {mergeSym(sym1,sym2)} ptr val1 val2 mem)
	for {
		off1 := auxIntToInt32(v.AuxInt)
		sym1 := auxToSym(v.Aux)
		if v_0.Op != OpARM64MOVDaddr {
			break
		}
		off2 := auxIntToInt32(v_0.AuxInt)
		sym2 := auxToSym(v_0.Aux)
		ptr := v_0.Args[0]
		val1 := v_1