mirror of git://gcc.gnu.org/git/gcc.git
59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
/* PR c++/26943 */
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/* { dg-do run } */
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extern int omp_set_dynamic (int);
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extern void omp_set_nested (int);
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extern int omp_get_thread_num (void);
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extern void abort (void);
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extern void GOMP_barrier (void);
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int a = 8, b = 12, c = 16, d = 20, j = 0, l = 0;
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char e[10] = "a", f[10] = "b", g[10] = "c", h[10] = "d";
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volatile int k;
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int
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main (void)
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{
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int i;
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omp_set_dynamic (0);
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omp_set_nested (1);
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#pragma omp parallel num_threads (2) reduction (+:l)
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if (k == omp_get_thread_num ())
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{
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#pragma omp parallel for shared (a, e) firstprivate (b, f) \
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lastprivate (c, g) private (d, h) \
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schedule (static, 1) num_threads (4) \
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reduction (+:j)
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for (i = 0; i < 4; i++)
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{
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if (a != 8 || b != 12 || e[0] != 'a' || f[0] != 'b')
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j++;
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GOMP_barrier ();
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#pragma omp atomic
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a += i;
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b += i;
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c = i;
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d = i;
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#pragma omp atomic
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e[0] += i;
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f[0] += i;
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g[0] = 'g' + i;
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h[0] = 'h' + i;
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GOMP_barrier ();
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if (a != 8 + 6 || b != 12 + i || c != i || d != i)
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j += 8;
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if (e[0] != 'a' + 6 || f[0] != 'b' + i || g[0] != 'g' + i)
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j += 64;
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if (h[0] != 'h' + i)
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j += 512;
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}
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if (j || a != 8 + 6 || b != 12 || c != 3 || d != 20)
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++l;
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if (e[0] != 'a' + 6 || f[0] != 'b' || g[0] != 'g' + 3 || h[0] != 'd')
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l += 8;
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}
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if (l)
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abort ();
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return 0;
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}
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