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65 lines
1.1 KiB
C
65 lines
1.1 KiB
C
/* PR middle-end/30494 */
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/* { dg-do run } */
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#include <omp.h>
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int errors;
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int
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check (int m, int i, int *v, int *w)
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{
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int j;
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int n = omp_get_thread_num ();
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for (j = 0; j < m; j++)
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if (v[j] != j + n)
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#pragma omp atomic
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errors += 1;
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for (j = 0; j < m * 3 + i; j++)
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if (w[j] != j + 10 + n)
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#pragma omp atomic
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errors += 1;
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}
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int
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foo (int n, int m)
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{
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int i;
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#pragma omp for
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for (i = 0; i < 6; i++)
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{
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int v[n], w[n * 3 + i], j;
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for (j = 0; j < n; j++)
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v[j] = j + omp_get_thread_num ();
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for (j = 0; j < n * 3 + i; j++)
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w[j] = j + 10 + omp_get_thread_num ();
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check (m, i, v, w);
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}
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return 0;
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}
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int
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bar (int n, int m)
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{
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int i;
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#pragma omp parallel for num_threads (4)
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for (i = 0; i < 6; i++)
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{
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int v[n], w[n * 3 + i], j;
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for (j = 0; j < n; j++)
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v[j] = j + omp_get_thread_num ();
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for (j = 0; j < n * 3 + i; j++)
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w[j] = j + 10 + omp_get_thread_num ();
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check (m, i, v, w);
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}
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return 0;
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}
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int
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main (void)
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{
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#pragma omp parallel num_threads (3)
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foo (128, 128);
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bar (256, 256);
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return 0;
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}
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