diff options
Diffstat (limited to 'gcc/tree-vectorizer.c')
| -rw-r--r-- | gcc/tree-vectorizer.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/gcc/tree-vectorizer.c b/gcc/tree-vectorizer.c index 23bddf3..747fb67 100644 --- a/gcc/tree-vectorizer.c +++ b/gcc/tree-vectorizer.c @@ -79,6 +79,7 @@ along with GCC; see the file COPYING3. If not see #include "stringpool.h" #include "attribs.h" #include "gimple-pretty-print.h" +#include "opt-problem.h" /* Loop or bb location, with hotness information. */ @@ -860,13 +861,25 @@ try_vectorize_loop_1 (hash_table<simduid_to_vf> *&simduid_to_vf_htab, vect_location = find_loop_location (loop); if (LOCATION_LOCUS (vect_location.get_location_t ()) != UNKNOWN_LOCATION && dump_enabled_p ()) - dump_printf (MSG_NOTE, "\nAnalyzing loop at %s:%d\n", + dump_printf (MSG_NOTE | MSG_PRIORITY_INTERNALS, + "\nAnalyzing loop at %s:%d\n", LOCATION_FILE (vect_location.get_location_t ()), LOCATION_LINE (vect_location.get_location_t ())); - loop_vec_info loop_vinfo = vect_analyze_loop (loop, orig_loop_vinfo, &shared); + /* 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; + if (!loop_vinfo) + if (dump_enabled_p ()) + if (opt_problem *problem = loop_vinfo.get_problem ()) + { + dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location, + "couldn't vectorize loop\n"); + problem->emit_and_clear (); + } + if (!loop_vinfo || !LOOP_VINFO_VECTORIZABLE_P (loop_vinfo)) { /* Free existing information if loop is analyzed with some |