Retro68/gcc/libgomp/testsuite/libgomp.c/pr30494.c

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2012-03-27 23:13:14 +00:00
/* PR middle-end/30494 */
/* { dg-do run } */
#include <omp.h>
int errors;
int
check (int m, int i, int *v, int *w)
{
int j;
int n = omp_get_thread_num ();
for (j = 0; j < m; j++)
if (v[j] != j + n)
#pragma omp atomic
errors += 1;
for (j = 0; j < m * 3 + i; j++)
if (w[j] != j + 10 + n)
#pragma omp atomic
errors += 1;
}
int
foo (int n, int m)
{
int i;
#pragma omp for
for (i = 0; i < 6; i++)
{
int v[n], w[n * 3 + i], j;
for (j = 0; j < n; j++)
v[j] = j + omp_get_thread_num ();
for (j = 0; j < n * 3 + i; j++)
w[j] = j + 10 + omp_get_thread_num ();
check (m, i, v, w);
}
return 0;
}
int
bar (int n, int m)
{
int i;
#pragma omp parallel for num_threads (4)
for (i = 0; i < 6; i++)
{
int v[n], w[n * 3 + i], j;
for (j = 0; j < n; j++)
v[j] = j + omp_get_thread_num ();
for (j = 0; j < n * 3 + i; j++)
w[j] = j + 10 + omp_get_thread_num ();
check (m, i, v, w);
}
return 0;
}
int
main (void)
{
#pragma omp parallel num_threads (3)
foo (128, 128);
bar (256, 256);
return 0;
}