uint64_t helper_addqv (uint64_t op1, uint64_t op2)

{

    uint64_t tmp = op1;

    op1 += op2;

    if (unlikely((tmp ^ op2 ^ (-1ULL)) & (tmp ^ op1) & (1ULL << 63))) {

        arith_excp(env, GETPC(), EXC_M_IOV, 0);

    }

    return op1;

}
