gcc/testsuite/c-c++-common/gomp/atomic-21.c

   1 /* { dg-do compile } */
   2 /* { dg-additional-options "-fdump-tree-original" } */
   3 /* { dg-final { scan-tree-dump-times "omp atomic release" 4 "original" } } */
   4 /* { dg-final { scan-tree-dump-times "omp atomic read acquire" 1 "original" } } */
   5 /* { dg-final { scan-tree-dump-times "omp atomic capture acq_rel" 1 "original" } } */
   6
   7 int i, j, k, l, m, n;
   8
   9 void
  10 foo ()
  11 {
  12   int v;
  13   #pragma omp atomic release
  14   i = i + 1;
  15   #pragma omp requires atomic_default_mem_order (acq_rel)
  16   #pragma omp atomic
  17   j = j + 1;
  18   #pragma omp atomic update
  19   k = k + 1;
  20   #pragma omp atomic read
  21   v = l;
  22   #pragma omp atomic write
  23   m = v;
  24   #pragma omp atomic capture
  25   v = n = n + 1;
  26 }