view gcc/testsuite/gcc.dg/atomic-load-3.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
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/* Test __atomic routines for existence and proper execution on 4 byte 
   values with each valid memory model.  */
/* { dg-do run } */
/* { dg-require-effective-target sync_int_long } */

extern void abort(void);

int v, count;


int
main ()
{
  v = 0;
  count = 0;

  if (__atomic_load_n (&v, __ATOMIC_RELAXED) != count++) 
    abort(); 
  else 
    v++;

  if (__atomic_load_n (&v, __ATOMIC_ACQUIRE) != count++) 
    abort(); 
  else 
    v++;

  if (__atomic_load_n (&v, __ATOMIC_CONSUME) != count++) 
    abort(); 
  else 
    v++;

  if (__atomic_load_n (&v, __ATOMIC_SEQ_CST) != count++) 
    abort(); 
  else 
    v++;

  /* Now test the generic variants.  */

  __atomic_load (&v, &count, __ATOMIC_RELAXED);
  if (count != v)
    abort(); 
  else 
    v++;

  __atomic_load (&v, &count, __ATOMIC_ACQUIRE);
  if (count != v)
    abort(); 
  else 
    v++;

  __atomic_load (&v, &count, __ATOMIC_CONSUME);
  if (count != v)
    abort(); 
  else 
    v++;

  __atomic_load (&v, &count, __ATOMIC_SEQ_CST);
  if (count != v)
    abort(); 
  else 
    v++;


  return 0;
}