diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/vect/vect-outer-4d.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/vect/vect-outer-4d.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/vect-outer-4d.c b/gcc/testsuite/gcc.dg/vect/vect-outer-4d.c new file mode 100644 index 000000000..c344fb1d6 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/vect-outer-4d.c @@ -0,0 +1,51 @@ +/* { dg-require-effective-target vect_float } */ + +#include <stdarg.h> +#include "tree-vect.h" + +#define N 40 +#define M 128 +float in[N+M]; +float out[N]; + +/* Outer-loop vectorization. */ + +__attribute__ ((noinline)) void +foo (){ + int i,j; + float diff; + + for (i = 0; i < N; i++) { + diff = 0; + for (j = 0; j < M; j+=4) { + diff += in[j+i]; + } + out[i]=diff; + } +} + +int main (void) +{ + check_vect (); + int i, j; + float diff; + + for (i = 0; i < N; i++) + in[i] = i; + + foo (); + + for (i = 0; i < N; i++) { + diff = 0; + for (j = 0; j < M; j+=4) { + diff += in[j+i]; + } + if (out[i] != diff) + abort (); + } + + return 0; +} + +/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" } } */ +/* { dg-final { cleanup-tree-dump "vect" } } */ |