1  /* Test atomic_load routines for existence and proper execution on
       2     4-byte values with each valid memory model.  */
       3  /* { dg-do run } */
       4  /* { dg-options "-std=c11 -pedantic-errors" } */
       5  
       6  #include <stdatomic.h>
       7  
       8  extern void abort (void);
       9  
      10  _Atomic int v;
      11  int count;
      12  
      13  int
      14  main ()
      15  {
      16    v = 0;
      17    count = 0;
      18  
      19    if (atomic_load_explicit (&v, memory_order_relaxed) != count++)
      20      abort ();
      21    else
      22      v++;
      23  
      24    if (atomic_load_explicit (&v, memory_order_acquire) != count++)
      25      abort ();
      26    else
      27      v++;
      28  
      29    if (atomic_load_explicit (&v, memory_order_consume) != count++)
      30      abort ();
      31    else
      32      v++;
      33  
      34    if (atomic_load_explicit (&v, memory_order_seq_cst) != count++)
      35      abort ();
      36    else
      37      v++;
      38  
      39    if (atomic_load (&v) != count)
      40      abort ();
      41  
      42    return 0;
      43  }
      44