1  /* Test __atomic routines for invalid memory model errors. This only needs
       2     to be tested on a single size.  */
       3  /* { dg-do compile } */
       4  /* { dg-require-effective-target sync_int_long } */
       5  
       6  #include <stddef.h>
       7  #include <stdbool.h>
       8  
       9  int i, e, b;
      10  size_t s;
      11  bool x;
      12  
      13  int
      14  main ()
      15  {
      16    __atomic_compare_exchange_n (&i, &e, 1, 0, __ATOMIC_RELAXED, __ATOMIC_SEQ_CST); /* { dg-warning "failure memory model 'memory_order_seq_cst' cannot be stronger" } */
      17    __atomic_compare_exchange_n (&i, &e, 1, 0, __ATOMIC_SEQ_CST, __ATOMIC_RELEASE); /* { dg-warning "invalid failure memory" } */
      18    __atomic_compare_exchange_n (&i, &e, 1, 1, __ATOMIC_SEQ_CST, __ATOMIC_ACQ_REL); /* { dg-warning "invalid failure memory" } */
      19  
      20    __atomic_load_n (&i, __ATOMIC_RELEASE); /* { dg-warning "invalid memory model" } */
      21    __atomic_load_n (&i, __ATOMIC_ACQ_REL); /* { dg-warning "invalid memory model" } */
      22  
      23    __atomic_store_n (&i, 1, __ATOMIC_ACQUIRE); /* { dg-warning "invalid memory model" } */
      24    __atomic_store_n (&i, 1, __ATOMIC_CONSUME); /* { dg-warning "invalid memory model" } */
      25    __atomic_store_n (&i, 1, __ATOMIC_ACQ_REL); /* { dg-warning "invalid memory model" } */
      26  
      27    i = __atomic_always_lock_free (s, NULL); /* { dg-error "non-constant argument" } */
      28  
      29    __atomic_load_n (&i, 44); /* { dg-warning "invalid memory model" } */
      30  
      31    __atomic_clear (&x, __ATOMIC_CONSUME); /* { dg-warning "invalid memory model" } */
      32    __atomic_clear (&x, __ATOMIC_ACQUIRE); /* { dg-warning "invalid memory model" } */
      33  
      34    __atomic_clear (&x, __ATOMIC_ACQ_REL); /* { dg-warning "invalid memory model" } */
      35  
      36  }