Subversion Repositories openrisc

/* Test __atomic routines for existence and proper execution on 2 byte 
   values with each valid memory model.  */
/* { dg-do run } */
/* { dg-require-effective-target sync_char_short } */
 
/* Test the execution of the __atomic_store_n builtin for a short.  */
 
extern void abort(void);
 
short v, count;
 
main ()
{
  v = 0;
  count = 0;
 
  __atomic_store_n (&v, count + 1, __ATOMIC_RELAXED);
  if (v != ++count)
    abort ();
 
  __atomic_store_n (&v, count + 1, __ATOMIC_RELEASE);
  if (v != ++count)
    abort ();
 
  __atomic_store_n (&v, count + 1, __ATOMIC_SEQ_CST);
  if (v != ++count)
    abort ();
 
  /* Now test the generic variant.  */
  count++;
 
  __atomic_store (&v, &count, __ATOMIC_RELAXED);
  if (v != count++)
    abort ();
 
  __atomic_store (&v, &count, __ATOMIC_RELEASE);
  if (v != count++)
    abort ();
 
  __atomic_store (&v, &count, __ATOMIC_SEQ_CST);
  if (v != count)
    abort ();
 
  return 0;
}