gcc/testsuite/c-c++-common/gomp/requires-6.c

   1 /* { dg-additional-options "-fdump-tree-original" }  */
   2
   3 #pragma omp requires atomic_default_mem_order(acquire)
   4
   5 int
   6 bar (int a, int b)
   7 {
   8   int c;
   9
  10   #pragma omp atomic write release
  11     a = b;
  12
  13   #pragma omp atomic update
  14     a += 1;
  15
  16   #pragma omp atomic read
  17     c = a;
  18   return c;
  19 }
  20
  21 /* { dg-final { scan-tree-dump "#pragma omp atomic release" "original" } } */
  22 /* { dg-final { scan-tree-dump "#pragma omp atomic acquire" "original" } } */
  23 /* { dg-final { scan-tree-dump "c = #pragma omp atomic read acquire" "original" } } */