diff options
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/tree-vectorizer.c | 11 |
2 files changed, 18 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5b125fdf6f3..0b6a01d898e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +2007-03-05 Richard Guenther <rguenther@suse.de> + Dorit Nuzman <dorit@il.ibm.com> + + PR tree-optimization/26420 + * tree-vectorizer.c (vectorize_loops): Bail out early if there + are no loops in the function. Only print the number of + vectorized loops if it is greater than zero or we are supposed + to print information about unvectorized loops. + 2007-03-05 Revital Eres <eres@il.ibm.com> * gcc.dg/var-expand1.c: New test. diff --git a/gcc/tree-vectorizer.c b/gcc/tree-vectorizer.c index 2a53b9c9fa3..b0aedf74b2c 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); |