diff options
Diffstat (limited to 'libgomp/testsuite/libgomp.c/examples-4/e.50.2.c')
-rw-r--r-- | libgomp/testsuite/libgomp.c/examples-4/e.50.2.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.c/examples-4/e.50.2.c b/libgomp/testsuite/libgomp.c/examples-4/e.50.2.c new file mode 100644 index 00000000000..55d667aa775 --- /dev/null +++ b/libgomp/testsuite/libgomp.c/examples-4/e.50.2.c @@ -0,0 +1,64 @@ +/* { 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; +} |