gcc/testsuite/g++.dg/gomp/atomic-9.C

   1 /* { dg-do compile } */
   2 /* { dg-options "-fopenmp -fdump-tree-gimple" } */
   3
   4 volatile int *bar(void);
   5
   6 void f1(void)
   7 {
   8   #pragma omp atomic
   9     *bar() += 1;
  10 }
  11
  12 /* { dg-final { scan-tree-dump-times "__sync_fetch_and_add" 1 "gimple" { target i?86-*-* x86_64-*-* ia64-*-* powerpc*-*-* alpha*-*-* } } } */
  13 /* { dg-final { cleanup-tree-dump "gimple" } } */