1  /* { dg-do compile } */
       2  /* { dg-options "-mhle" } */
       3  /* { dg-final { scan-assembler "\[ \n\t\]+\(xacquire\|\.byte\[ \t\]+0xf2\)\[ \t\n\]+xchg" } } */
       4  
       5  int
       6  hle_xchg (int *p, int v)
       7  {
       8    return __atomic_exchange_n (p, v, __ATOMIC_ACQUIRE | __ATOMIC_HLE_ACQUIRE);
       9  }