diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/vect/vect-outer-3b.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/vect/vect-outer-3b.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/vect-outer-3b.c b/gcc/testsuite/gcc.dg/vect/vect-outer-3b.c new file mode 100644 index 000000000..f11cb751c --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/vect-outer-3b.c @@ -0,0 +1,53 @@ +/* { dg-require-effective-target vect_float } */ +#include <stdarg.h> +#include "tree-vect.h" + +#define N 40 +float image[N][N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); +float out[N]; + +/* Outer-loop vectorization with non-consecutive access. Not vectorized yet. */ + +__attribute__ ((noinline)) void +foo (){ + int i,j; + float diff; + + for (i = 0; i < N/2; i++) { + diff = 0; + for (j = 0; j < N; j++) { + diff += image[j][2*i]; + } + out[i]=diff; + } +} + +int main (void) +{ + check_vect (); + int i, j; + float diff; + + for (i = 0; i < N; i++) { + for (j = 0; j < N; j++) { + image[i][j]=i+j; + } + } + + foo (); + + for (i = 0; i < N/2; i++) { + diff = 0; + for (j = 0; j < N; j++) { + diff += image[j][2*i]; + } + if (out[i] != diff) + abort (); + } + + return 0; +} + +/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" { xfail *-*-* } } } */ +/* { dg-final { scan-tree-dump-times "strided access in outer loop" 2 "vect" } } */ +/* { dg-final { cleanup-tree-dump "vect" } } */ |