diff options
Diffstat (limited to 'gcc/testsuite/c-c++-common/goacc/kernels-loop-n.c')
-rw-r--r-- | gcc/testsuite/c-c++-common/goacc/kernels-loop-n.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/goacc/kernels-loop-n.c b/gcc/testsuite/c-c++-common/goacc/kernels-loop-n.c new file mode 100644 index 00000000000..bee5f5a6098 --- /dev/null +++ b/gcc/testsuite/c-c++-common/goacc/kernels-loop-n.c @@ -0,0 +1,56 @@ +/* { 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 ((1024 * 512) + 1) +#define COUNTERTYPE unsigned int + +int +foo (COUNTERTYPE n) +{ + unsigned int *__restrict a; + unsigned int *__restrict b; + unsigned int *__restrict c; + + a = (unsigned int *__restrict)malloc (n * sizeof (unsigned int)); + b = (unsigned int *__restrict)malloc (n * sizeof (unsigned int)); + c = (unsigned int *__restrict)malloc (n * sizeof (unsigned int)); + + for (COUNTERTYPE i = 0; i < n; i++) + a[i] = i * 2; + + for (COUNTERTYPE i = 0; i < n; i++) + b[i] = i * 4; + +#pragma acc kernels copyin (a[0:n], b[0:n]) copyout (c[0:n]) + { +#ifdef ACC_LOOP + #pragma acc loop +#endif + for (COUNTERTYPE ii = 0; ii < n; ii++) + c[ii] = a[ii] + b[ii]; + } + + for (COUNTERTYPE i = 0; i < n; i++) + if (c[i] != a[i] + b[i]) + abort (); + + free (a); + free (b); + free (c); + + return 0; +} + +/* 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" } } */ + +/* 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" } } */ + |