view gcc/testsuite/gcc.dg/atomic-load-5.c @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
line wrap: on
line source

/* Test __atomic routines for existence and proper execution on 16 byte 
   values with each valid memory model.  */
/* { dg-do run } */
/* { dg-require-effective-target sync_int_128_runtime } */
/* { dg-options "-mcx16" { target { i?86-*-* x86_64-*-* } } } */

extern void abort(void);

__int128_t 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;
}