diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/vect/vect-outer-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/vect/vect-outer-1.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/vect-outer-1.c b/gcc/testsuite/gcc.dg/vect/vect-outer-1.c new file mode 100644 index 000000000..f0df5d4cd --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/vect-outer-1.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ + +#define N 64 +signed short image[N][N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); +signed short block[N][N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); +signed short out[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); + +/* Can't do outer-loop vectorization because of non-consecutive access. */ + +void +foo (){ + int i,j; + int diff; + + for (i = 0; i < N; i++) { + diff = 0; + for (j = 0; j < N; j+=8) { + diff += (image[i][j] - block[i][j]); + } + out[i]=diff; + } +} + +/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" { xfail *-*-* } } } */ +/* { dg-final { scan-tree-dump-times "strided access in outer loop" 1 "vect" } } */ +/* { dg-final { cleanup-tree-dump "vect" } } */ |