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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [libgomp/] [testsuite/] [libgomp.c/] [ordered-1.c] - Blame information for rev 280

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Line No. Rev Author Line
1 273 jeremybenn
/* Test that all loop iterations are touched.  This doesn't verify
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   scheduling order, merely coverage.  */
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/* Note that we never call GOMP_ordered_start in here.  AFAICS, this is
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   valid; the only requirement is "not more than once per iteration".  */
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/* { dg-require-effective-target sync_int_long } */
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#include <omp.h>
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#include <string.h>
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#include <assert.h>
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#include "libgomp_g.h"
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#define N 1000
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static int S, E, INCR, CHUNK, NTHR;
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static int data[N];
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static void clean_data (void)
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{
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  memset (data, -1, sizeof (data));
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}
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static void test_data (void)
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{
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  int i, j;
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  for (i = 0; i < S; ++i)
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    assert (data[i] == -1);
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  for (j = 0; i < E; ++i, j = (j + 1) % INCR)
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    if (j == 0)
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      assert (data[i] != -1);
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    else
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      assert (data[i] == -1);
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  for (; i < N; ++i)
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    assert (data[i] == -1);
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}
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static void set_data (long i, int val)
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{
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  int old;
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  assert (i >= 0 && i < N);
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  old = __sync_lock_test_and_set (data+i, val);
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  assert (old == -1);
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}
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#define TMPL_1(sched)                                                   \
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static void f_##sched##_1 (void *dummy)                                 \
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{                                                                       \
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  int iam = omp_get_thread_num ();                                      \
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  long s0, e0, i;                                                       \
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  if (GOMP_loop_ordered_##sched##_start (S, E, INCR, CHUNK, &s0, &e0))  \
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    do                                                                  \
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      {                                                                 \
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        for (i = s0; i < e0; i += INCR)                                 \
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          set_data (i, iam);                                            \
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      }                                                                 \
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    while (GOMP_loop_ordered_##sched##_next (&s0, &e0));                \
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  GOMP_loop_end ();                                                     \
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}                                                                       \
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static void t_##sched##_1 (void)                                        \
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{                                                                       \
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  clean_data ();                                                        \
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  GOMP_parallel_start (f_##sched##_1, NULL, NTHR);                      \
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  f_##sched##_1 (NULL);                                                 \
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  GOMP_parallel_end ();                                                 \
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  test_data ();                                                         \
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}
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TMPL_1(static)
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TMPL_1(dynamic)
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TMPL_1(guided)
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static void test (void)
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{
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  t_static_1 ();
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  t_dynamic_1 ();
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  t_guided_1 ();
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}
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int main()
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{
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  omp_set_dynamic (0);
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  NTHR = 4;
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  S = 0, E = N, INCR = 1, CHUNK = 4;
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  test ();
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  S = 0, E = N, INCR = 2, CHUNK = 4;
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  test ();
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  S = 1, E = N-1, INCR = 1, CHUNK = 5;
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  test ();
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  S = 1, E = N-1, INCR = 2, CHUNK = 5;
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  test ();
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  S = 2, E = 4, INCR = 1, CHUNK = 1;
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  test ();
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  S = 0, E = N, INCR = 1, CHUNK = 0;
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  t_static_1 ();
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  S = 1, E = N-1, INCR = 1, CHUNK = 0;
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  t_static_1 ();
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  NTHR = 10;
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  S = 1, E = 9, INCR = 1, CHUNK = 0;
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  t_static_1 ();
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  return 0;
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}

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