diff options
Diffstat (limited to 'gcc/tree-vectorizer.c')
| -rw-r--r-- | gcc/tree-vectorizer.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/gcc/tree-vectorizer.c b/gcc/tree-vectorizer.c index 30dcc44..8e02647 100644 --- a/gcc/tree-vectorizer.c +++ b/gcc/tree-vectorizer.c @@ -874,6 +874,7 @@ try_vectorize_loop_1 (hash_table<simduid_to_vf> *&simduid_to_vf_htab, vec_info_shared shared; auto_purge_vect_location sentinel; vect_location = find_loop_location (loop); + if (LOCATION_LOCUS (vect_location.get_location_t ()) != UNKNOWN_LOCATION && dump_enabled_p ()) dump_printf (MSG_NOTE | MSG_PRIORITY_INTERNALS, @@ -881,10 +882,17 @@ try_vectorize_loop_1 (hash_table<simduid_to_vf> *&simduid_to_vf_htab, LOCATION_FILE (vect_location.get_location_t ()), LOCATION_LINE (vect_location.get_location_t ())); - /* Try to analyze the loop, retaining an opt_problem if dump_enabled_p. */ - opt_loop_vec_info loop_vinfo - = vect_analyze_loop (loop, orig_loop_vinfo, &shared); - loop->aux = loop_vinfo; + opt_loop_vec_info loop_vinfo = opt_loop_vec_info::success (NULL); + /* In the case of epilogue vectorization the loop already has its + loop_vec_info set, we do not require to analyze the loop in this case. */ + if (loop_vec_info vinfo = loop_vec_info_for_loop (loop)) + loop_vinfo = opt_loop_vec_info::success (vinfo); + else + { + /* Try to analyze the loop, retaining an opt_problem if dump_enabled_p. */ + loop_vinfo = vect_analyze_loop (loop, orig_loop_vinfo, &shared); + loop->aux = loop_vinfo; + } if (!loop_vinfo) if (dump_enabled_p ()) @@ -1012,8 +1020,13 @@ try_vectorize_loop_1 (hash_table<simduid_to_vf> *&simduid_to_vf_htab, /* Epilogue of vectorized loop must be vectorized too. */ if (new_loop) - ret |= try_vectorize_loop_1 (simduid_to_vf_htab, num_vectorized_loops, - new_loop, loop_vinfo, NULL, NULL); + { + /* Don't include vectorized epilogues in the "vectorized loops" count. + */ + unsigned dont_count = *num_vectorized_loops; + ret |= try_vectorize_loop_1 (simduid_to_vf_htab, &dont_count, + new_loop, loop_vinfo, NULL, NULL); + } return ret; } |