/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

  1. /* { dg-do compile } */
  2. /* { dg-options "-fopenmp-simd -fdump-tree-original" } */
  3. extern void abort ();
  4. int a[1024] __attribute__((aligned (32))) = { 1 };
  5. struct S { int s; };
  6. #pragma omp declare reduction (+:struct S:omp_out.s += omp_in.s)
  7. #pragma omp declare reduction (foo:struct S:omp_out.s += omp_in.s)
  8. #pragma omp declare reduction (foo:int:omp_out += omp_in)
  9. __attribute__((noinline, noclone)) int
  10. foo (void)
  11. {
  12. int i, u = 0;
  13. struct S s, t;
  14. s.s = 0; t.s = 0;
  15. #pragma omp simd aligned(a : 32) reduction(+:s) reduction(foo:t, u)
  16. for (i = 0; i < 1024; i++)
  17. {
  18. int x = a[i];
  19. s.s += x;
  20. t.s += x;
  21. u += x;
  22. }
  23. if (t.s != s.s || u != s.s)
  24. abort ();
  25. return s.s;
  26. }
  27. void bar(int n, float *a, float *b)
  28. {
  29. int i;
  30. #pragma omp parallel for simd num_threads(4) safelen(64)
  31. for (i = 0; i < n ; i++)
  32. a[i] = b[i];
  33. }
  34. /* { dg-final { scan-tree-dump-times "pragma omp simd reduction\\(u\\) reduction\\(t\\) reduction\\(\\+:s\\) aligned\\(a:32\\)" 1 "original" } } */
  35. /* { dg-final { scan-tree-dump-times "pragma omp simd safelen\\(64\\)" 1 "original" } } */
  36. /* { dg-final { scan-tree-dump-not "omp parallel" "original" } } */
  37. /* { dg-final { scan-tree-dump-not "omp for" "original" } } */
  38. /* { dg-final { cleanup-tree-dump "original" } } */