mirror of
https://github.com/autc04/Retro68.git
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96 lines
2.0 KiB
C
96 lines
2.0 KiB
C
/* { dg-do run } */
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/* { dg-set-target-env-var OMP_CANCELLATION "true" } */
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#include <stdlib.h>
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#include <omp.h>
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__attribute__((noinline, noclone)) int
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foo (int *x)
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{
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int v = 0, w = 0;
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#pragma omp parallel num_threads (32) shared (v, w)
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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 < 1000; ++i)
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{
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#pragma omp cancel for if (x[0])
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abort ();
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}
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#pragma omp for
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for (i = 0; i < 1000; ++i)
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{
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#pragma omp cancel for if (x[1])
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#pragma omp atomic
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v++;
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}
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#pragma omp for
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for (i = 0; i < 1000; ++i)
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{
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#pragma omp cancel for if (x[2])
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#pragma omp atomic
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w += 8;
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}
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#pragma omp for
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for (i = 0; i < 1000; ++i)
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{
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#pragma omp cancel for if (x[3])
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#pragma omp atomic
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v += 2;
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}
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}
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if (v != 3000 || w != 0)
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abort ();
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#pragma omp parallel num_threads (32) shared (v, w)
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{
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int i;
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/* None of these cancel directives should actually cancel anything,
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but the compiler shouldn't know that and thus should use cancellable
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barriers at the end of all the workshares. */
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#pragma omp cancel parallel if (omp_get_thread_num () == 1 && x[4])
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#pragma omp for
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for (i = 0; i < 1000; ++i)
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{
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#pragma omp cancel for if (x[0])
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abort ();
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}
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#pragma omp cancel parallel if (omp_get_thread_num () == 2 && x[4])
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#pragma omp for
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for (i = 0; i < 1000; ++i)
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{
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#pragma omp cancel for if (x[1])
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#pragma omp atomic
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v++;
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}
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#pragma omp cancel parallel if (omp_get_thread_num () == 3 && x[4])
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#pragma omp for
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for (i = 0; i < 1000; ++i)
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{
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#pragma omp cancel for if (x[2])
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#pragma omp atomic
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w += 8;
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}
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#pragma omp cancel parallel if (omp_get_thread_num () == 4 && x[4])
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#pragma omp for
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for (i = 0; i < 1000; ++i)
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{
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#pragma omp cancel for if (x[3])
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#pragma omp atomic
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v += 2;
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}
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#pragma omp cancel parallel if (omp_get_thread_num () == 5 && x[4])
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}
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if (v != 6000 || w != 0)
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abort ();
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return 0;
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}
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int
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main ()
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{
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int x[] = { 1, 0, 1, 0, 0 };
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if (omp_get_cancellation ())
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foo (x);
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return 0;
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}
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