diff options
Diffstat (limited to 'gcc/tree-vectorizer.c')
| -rw-r--r-- | gcc/tree-vectorizer.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/gcc/tree-vectorizer.c b/gcc/tree-vectorizer.c index 2a53b9c..b0aedf7 100644 --- a/gcc/tree-vectorizer.c +++ b/gcc/tree-vectorizer.c @@ -2196,6 +2196,12 @@ vectorize_loops (void) loop_iterator li; struct loop *loop; + vect_loops_num = number_of_loops (); + + /* Bail out if there are no loops. */ + if (vect_loops_num <= 1) + return 0; + /* Fix the verbosity level if not defined explicitly by the user. */ vect_set_dump_settings (); @@ -2208,7 +2214,6 @@ vectorize_loops (void) /* If some loop was duplicated, it gets bigger number than all previously defined loops. This fact allows us to run only over initial loops skipping newly generated ones. */ - vect_loops_num = number_of_loops (); FOR_EACH_LOOP (li, loop, 0) { loop_vec_info loop_vinfo; @@ -2225,7 +2230,9 @@ vectorize_loops (void) } vect_loop_location = UNKNOWN_LOC; - if (vect_print_dump_info (REPORT_VECTORIZED_LOOPS)) + if (vect_print_dump_info (REPORT_UNVECTORIZED_LOOPS) + || (vect_print_dump_info (REPORT_VECTORIZED_LOOPS) + && num_vectorized_loops > 0)) fprintf (vect_dump, "vectorized %u loops in function.\n", num_vectorized_loops); |