/gcc/testsuite/gcc.dg/gomp/openmp-simd-2.c
https://gitlab.com/sortix/gcc · C · 43 lines · 31 code · 5 blank · 7 comment · 7 complexity · 681061302cbaa30c56b96e9743f9bcf5 MD5 · raw file
- /* { dg-do compile } */
- /* { dg-options "-fopenmp-simd -fdump-tree-original" } */
- extern void abort ();
- int a[1024] __attribute__((aligned (32))) = { 1 };
- struct S { int s; };
- #pragma omp declare reduction (+:struct S:omp_out.s += omp_in.s)
- #pragma omp declare reduction (foo:struct S:omp_out.s += omp_in.s)
- #pragma omp declare reduction (foo:int:omp_out += omp_in)
- __attribute__((noinline, noclone)) int
- foo (void)
- {
- int i, u = 0;
- struct S s, t;
- s.s = 0; t.s = 0;
- #pragma omp simd aligned(a : 32) reduction(+:s) reduction(foo:t, u)
- for (i = 0; i < 1024; i++)
- {
- int x = a[i];
- s.s += x;
- t.s += x;
- u += x;
- }
- if (t.s != s.s || u != s.s)
- abort ();
- return s.s;
- }
- void bar(int n, float *a, float *b)
- {
- int i;
- #pragma omp parallel for simd num_threads(4) safelen(64)
- for (i = 0; i < n ; i++)
- a[i] = b[i];
- }
- /* { dg-final { scan-tree-dump-times "pragma omp simd reduction\\(u\\) reduction\\(t\\) reduction\\(\\+:s\\) aligned\\(a:32\\)" 1 "original" } } */
- /* { dg-final { scan-tree-dump-times "pragma omp simd safelen\\(64\\)" 1 "original" } } */
- /* { dg-final { scan-tree-dump-not "omp parallel" "original" } } */
- /* { dg-final { scan-tree-dump-not "omp for" "original" } } */
- /* { dg-final { cleanup-tree-dump "original" } } */