diff options
Diffstat (limited to 'gcc/testsuite/c-c++-common/goacc/kernels-double-reduction.c')
-rw-r--r-- | gcc/testsuite/c-c++-common/goacc/kernels-double-reduction.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/goacc/kernels-double-reduction.c b/gcc/testsuite/c-c++-common/goacc/kernels-double-reduction.c new file mode 100644 index 00000000000..3501d0df152 --- /dev/null +++ b/gcc/testsuite/c-c++-common/goacc/kernels-double-reduction.c @@ -0,0 +1,37 @@ +/* { dg-additional-options "-O2" } */ +/* { dg-additional-options "-ftree-parallelize-loops=32" } */ +/* { dg-additional-options "-fdump-tree-parloops1-all" } */ +/* { dg-additional-options "-fdump-tree-optimized" } */ + +#include <stdlib.h> + +#define N 500 + +unsigned int a[N][N]; + +void __attribute__((noinline,noclone)) +foo (void) +{ + int i, j; + unsigned int sum = 1; + +#pragma acc kernels copyin (a[0:N]) copy (sum) + { + for (i = 0; i < N; ++i) + for (j = 0; j < N; ++j) + sum += a[i][j]; + } + + if (sum != 5001) + abort (); +} + +/* Check that only one loop is analyzed, and that it can be parallelized. */ +/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops1" } } */ +/* { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } } */ +/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops1" } } */ + +/* Check that the loop has been split off into a function. */ +/* { dg-final { scan-tree-dump-times "(?n);; Function .*foo.*._omp_fn.0" 1 "optimized" } } */ + +/* { dg-final { scan-tree-dump-times "(?n)oacc function \\(32," 1 "parloops1" } } */ |