atomic-10.c

来自「用于进行gcc测试」· C语言 代码 · 共 25 行

/* PR middle-end/28046 */
/* { dg-do compile } */
/* { dg-options "-fopenmp -fdump-tree-ompexp" } */

int a[3], b;
struct C { int x; int y; } c;

int bar (void), *baz (void);

void
foo (void)
{
#pragma omp atomic
  a[2] += bar ();
#pragma omp atomic
  b += bar ();
#pragma omp atomic
  c.y += bar ();
#pragma omp atomic
  *baz () += bar ();
}

/* { dg-final { scan-tree-dump-times "__sync_fetch_and_add" 4 "ompexp" { target i?86-*-* x86_64-*-* ia64-*-* powerpc*-*-* alpha*-*-* } } } */
/* { dg-final { cleanup-tree-dump "ompexp" } } */