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passes.c (rest_of_handle_branch_prob): Do not rebuild profiling info when not neecesary 

* passes.c (rest_of_handle_branch_prob): Do not rebuild profiling info
	when not neecesary
	(rest_of_compilation): Fix conditional on branch prob pass.
	* predict.c (tree_estimate_probability): Enable strip_builtin_expect
	when not loop optimizing.

From-SVN: r101321
This commit is contained in:
Jan Hubicka 2005-06-25 13:57:53 +02:00 committed by Jan Hubicka
parent 49373252db
commit 5d9f607b1b
3 changed files with 16 additions and 6 deletions
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8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2005-06-25 Jan Hubicka <jh@suse.cz>
* passes.c (rest_of_handle_branch_prob): Do not rebuild profiling info
when not neecesary
(rest_of_compilation): Fix conditional on branch prob pass.
* predict.c (tree_estimate_probability): Enable strip_builtin_expect
when not loop optimizing.
2005-06-25 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.md (ror_one, rol_one, ashrdi3, ashldi3, lshrdi3):

12
gcc/passes.c
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@ -790,7 +790,8 @@ rest_of_handle_branch_prob (void)
timevar_push (TV_BRANCH_PROB);
open_dump_file (DFI_bp, current_function_decl);
if (profile_arc_flag || flag_test_coverage || flag_branch_probabilities)
if ((profile_arc_flag || flag_test_coverage || flag_branch_probabilities)
&& !flag_tree_based_profiling)
branch_prob ();
/* Discover and record the loop depth at the head of each basic
@ -801,7 +802,7 @@ rest_of_handle_branch_prob (void)
flow_loops_dump (&loops, dump_file, NULL, 0);
/* Estimate using heuristics if no profiling info is available. */
if (flag_guess_branch_prob)
if (flag_guess_branch_prob && profile_status == PROFILE_ABSENT)
estimate_probability (&loops);
flow_loops_free (&loops);
@ -1579,9 +1580,9 @@ rest_of_compilation (void)
timevar_push (TV_FLOW);
rest_of_handle_cfg ();
if (!flag_tree_based_profiling
&& (optimize > 0 || profile_arc_flag
|| flag_test_coverage || flag_branch_probabilities))
if (optimize > 0
|| ((profile_arc_flag || flag_test_coverage || flag_branch_probabilities)
&& !flag_tree_based_profiling))
{
rtl_register_profile_hooks ();
rtl_register_value_prof_hooks ();
@ -1589,6 +1590,7 @@ rest_of_compilation (void)
if (flag_branch_probabilities
&& flag_profile_values
&& !flag_tree_based_profiling
&& (flag_value_profile_transformations
|| flag_speculative_prefetching))
rest_of_handle_value_profile_transformations ();

2
gcc/predict.c
View File

@ -1383,7 +1383,7 @@ tree_estimate_probability (void)
FOR_EACH_BB (bb)
combine_predictions_for_bb (dump_file, bb);
if (0) /* FIXME: Enable once we are pass down the profile to RTL level. */
if (!flag_loop_optimize)
strip_builtin_expect ();
estimate_bb_frequencies (&loops_info);
free_dominance_info (CDI_POST_DOMINATORS);