diff options
Diffstat (limited to 'gcc/tree-vect-loop-manip.c')
| -rw-r--r-- | gcc/tree-vect-loop-manip.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/gcc/tree-vect-loop-manip.c b/gcc/tree-vect-loop-manip.c index 12f70ee..2bebdea 100644 --- a/gcc/tree-vect-loop-manip.c +++ b/gcc/tree-vect-loop-manip.c @@ -2021,8 +2021,9 @@ vect_do_peeling_for_alignment (loop_vec_info loop_vinfo, int bound = 0; if (dump_enabled_p ()) - dump_printf_loc (MSG_NOTE, vect_location, - "=== vect_do_peeling_for_alignment ==="); + dump_printf_loc (MSG_OPTIMIZED_LOCATIONS, vect_location, + "loop peeled for vectorization to enhance" + " alignment\n"); initialize_original_copy_tables (); @@ -2404,6 +2405,8 @@ vect_loop_versioning (loop_vec_info loop_vinfo, unsigned prob = 4 * REG_BR_PROB_BASE / 5; gimple_seq gimplify_stmt_list = NULL; tree scalar_loop_iters = LOOP_VINFO_NITERS (loop_vinfo); + bool version_align = LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT (loop_vinfo); + bool version_alias = LOOP_REQUIRES_VERSIONING_FOR_ALIAS (loop_vinfo); if (check_profitability) { @@ -2413,11 +2416,11 @@ vect_loop_versioning (loop_vec_info loop_vinfo, is_gimple_condexpr, NULL_TREE); } - if (LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT (loop_vinfo)) + if (version_align) vect_create_cond_for_align_checks (loop_vinfo, &cond_expr, &cond_expr_stmt_list); - if (LOOP_REQUIRES_VERSIONING_FOR_ALIAS (loop_vinfo)) + if (version_alias) vect_create_cond_for_alias_checks (loop_vinfo, &cond_expr); cond_expr = force_gimple_operand_1 (cond_expr, &gimplify_stmt_list, @@ -2427,6 +2430,20 @@ vect_loop_versioning (loop_vec_info loop_vinfo, initialize_original_copy_tables (); loop_version (loop, cond_expr, &condition_bb, prob, prob, REG_BR_PROB_BASE - prob, true); + + if (LOCATION_LOCUS (vect_location) != UNKNOWN_LOC + && dump_enabled_p ()) + { + if (version_alias) + dump_printf_loc (MSG_OPTIMIZED_LOCATIONS, vect_location, + "loop versioned for vectorization because of " + "possible aliasing\n"); + if (version_align) + dump_printf_loc (MSG_OPTIMIZED_LOCATIONS, vect_location, + "loop versioned for vectorization to enhance " + "alignment\n"); + + } free_original_copy_tables(); /* Loop versioning violates an assumption we try to maintain during |