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