1  /* { dg-do assemble { target { powerpc*-*-* && lp64 } } } */
       2  /* { dg-skip-if "" { powerpc*-*-darwin* } } */
       3  /* { dg-require-effective-target powerpc_p8vector_ok } */
       4  /* { dg-options "-mdejagnu-cpu=power8 -Os -mbig" } */
       5  
       6  __int128
       7  quad_exchange (__int128 *ptr, __int128 newval)
       8  {
       9    return __atomic_exchange_n (ptr, newval, __ATOMIC_RELAXED);
      10  }