diff options
Diffstat (limited to 'gcc-4.4.3/gcc/tree-vect-analyze.c')
| -rw-r--r-- | gcc-4.4.3/gcc/tree-vect-analyze.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc-4.4.3/gcc/tree-vect-analyze.c b/gcc-4.4.3/gcc/tree-vect-analyze.c index 8c55fa737..87b2cabe3 100644 --- a/gcc-4.4.3/gcc/tree-vect-analyze.c +++ b/gcc-4.4.3/gcc/tree-vect-analyze.c @@ -1920,6 +1920,9 @@ vect_enhance_data_refs_alignment (loop_vec_info loop_vinfo) tree vectype = STMT_VINFO_VECTYPE (stmt_info); int nelements = TYPE_VECTOR_SUBPARTS (vectype); + if (contains_abnormal_ssa_name_p (LOOP_VINFO_NITERS (loop_vinfo))) + return false; + if (known_alignment_for_access_p (dr0)) { /* Since it's known at compile time, compute the number of iterations @@ -2015,6 +2018,9 @@ vect_enhance_data_refs_alignment (loop_vec_info loop_vinfo) if (do_versioning) { + if (contains_abnormal_ssa_name_p (LOOP_VINFO_NITERS (loop_vinfo))) + return false; + for (i = 0; VEC_iterate (data_reference_p, datarefs, i, dr); i++) { stmt = DR_STMT (dr); |