diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/vect/vect-79.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/vect/vect-79.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/vect-79.c b/gcc/testsuite/gcc.dg/vect/vect-79.c index ffe101d5b3a..8e98e4d0ed9 100644 --- a/gcc/testsuite/gcc.dg/vect/vect-79.c +++ b/gcc/testsuite/gcc.dg/vect/vect-79.c @@ -5,18 +5,18 @@ #define N 16 -typedef float afloat __attribute__ ((__aligned__(16))); +float fa[N] __attribute__ ((__aligned__(16))); +float fb[N+4] __attribute__ ((__aligned__(16))) = {0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 7.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 17.0, 18.0, 19.0}; +float fc[N] __attribute__ ((__aligned__(16))) = {0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 7.5, 9.5, 10.5, 11.5, 12.5, 13.5, 14.5, 15.5}; -afloat a[N]; -afloat b[N+4] = {0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 7.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 17.0, 18.0, 19.0}; -afloat c[N] = {0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 7.5, 9.5, 10.5, 11.5, 12.5, 13.5, 14.5, 15.5}; +/* Like vect-80.c but the pointers are not annotated as restricted, + and therefore can't be antialiased. */ -/* Not vectorizable. Alias. */ int -main1 (afloat *pa, afloat *pb, afloat *pc) +main1 (float *pa, float *pb, float *pc) { int i; - afloat *q = pb + 4; + float *q = pb + 4; for (i = 0; i < N; i++) { @@ -37,10 +37,14 @@ int main (void) { check_vect (); - main1 (a, b, c); + main1 (fa, fb, fc); return 0; } +/* Currently the loops fail to vectorize due to aliasing problems. + If/when the aliasing problems are resolved, unalignment may + prevent vectorization on some targets. */ /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail *-*-* } } } */ +/* { dg-final { scan-tree-dump-times "can't determine dependence between" 1 "vect" } } */ /* { dg-final { cleanup-tree-dump "vect" } } */ |