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- /* { dg-do run } */
- #include <stdlib.h>
- #define N 100000
- void init (char *a1, char *a2)
- {
- char s = -1;
- int i;
- for (i = 0; i < N; i++)
- {
- a1[i] = s;
- a2[i] = i;
- s = -s;
- }
- }
- void check (char *a, char *b)
- {
- int i;
- for (i = 0; i < N; i++)
- if (a[i] != b[i])
- abort ();
- }
- void vec_mult_ref (char *p)
- {
- int i;
- char v1[N], v2[N];
- init (v1, v2);
- for (i = 0; i < N; i++)
- p[i] = v1[i] * v2[i];
- }
- void vec_mult (char *p)
- {
- int i;
- char v1[N], v2[N];
- init (v1, v2);
- #pragma omp target map(from: p[0:N])
- #pragma omp parallel for
- for (i = 0; i < N; i++)
- p[i] = v1[i] * v2[i];
- }
- int main ()
- {
- char p1[N], p2[N];
- char v1[N], v2[N];
- init (v1, v2);
- vec_mult_ref (p1);
- vec_mult (p2);
- check (p1, p2);
- return 0;
- }
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