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| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-25 10:06:18 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-25 10:06:18 +0000 |
| commit | ffedd2549f6fe6cd65d27e8608032b38c940e79d (patch) | |
| tree | a844c1a79dda581a3aa0d026ae759027d7ec0a30 | |
| parent | 182c482c1f4531d830caeb9755fd9ebf29dc189e (diff) | |
| download | gcc-ffedd2549f6fe6cd65d27e8608032b38c940e79d.tar.gz | |
* predict.c (counts_to_freqs): Make glolbal.
* predict.h (counts_to_freqa): Declare.
* profile.c (compute_branch_probabilities): Compute frequencies
* tree-profile.c (do_tree_profiling): Refine conditional on when
tree profiling pass is needed.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@88093 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/predict.c | 3 | ||||
| -rw-r--r-- | gcc/predict.h | 1 | ||||
| -rw-r--r-- | gcc/profile.c | 1 | ||||
| -rw-r--r-- | gcc/tree-profile.c | 6 |
5 files changed, 13 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index db7034463da..023b449ed37 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2004-09-25 Jan Hubicka <jh@suse.cz> + * predict.c (counts_to_freqs): Make glolbal. + * predict.h (counts_to_freqa): Declare. + * profile.c (compute_branch_probabilities): Compute frequencies + * tree-profile.c (do_tree_profiling): Refine conditional on when + tree profiling pass is needed. + * passes.c (rest_of_handle_cfg): Disable const/pure function detection when doing tree based profiling. diff --git a/gcc/predict.c b/gcc/predict.c index cc314ecad74..18b6b90814c 100644 --- a/gcc/predict.c +++ b/gcc/predict.c @@ -76,7 +76,6 @@ static void dump_prediction (FILE *, enum br_predictor, int, basic_block, int); static void estimate_loops_at_level (struct loop *loop); static void propagate_freq (struct loop *); static void estimate_bb_frequencies (struct loops *); -static int counts_to_freqs (void); static void predict_paths_leading_to (basic_block, int *, enum br_predictor, enum prediction); static bool last_basic_block_p (basic_block); static void compute_function_frequency (void); @@ -1705,7 +1704,7 @@ estimate_loops_at_level (struct loop *first_loop) /* Convert counts measured by profile driven feedback to frequencies. Return nonzero iff there was any nonzero execution count. */ -static int +int counts_to_freqs (void) { gcov_type count_max, true_count_max = 0; diff --git a/gcc/predict.h b/gcc/predict.h index 16817f9b5b6..77198118f08 100644 --- a/gcc/predict.h +++ b/gcc/predict.h @@ -41,5 +41,6 @@ enum prediction extern void predict_insn_def (rtx, enum br_predictor, enum prediction); extern void predict_insn (rtx, enum br_predictor, int); +extern int counts_to_freqs (void); #endif /* GCC_PREDICT_H */ diff --git a/gcc/profile.c b/gcc/profile.c index 7b04bfdf12f..3f48be623d2 100644 --- a/gcc/profile.c +++ b/gcc/profile.c @@ -590,6 +590,7 @@ compute_branch_probabilities (void) num_branches++, num_never_executed; } } + counts_to_freqs (); if (dump_file) { diff --git a/gcc/tree-profile.c b/gcc/tree-profile.c index 29299e53cca..00c36e233ec 100644 --- a/gcc/tree-profile.c +++ b/gcc/tree-profile.c @@ -160,12 +160,14 @@ tree_gen_const_delta_profiler (histogram_value value ATTRIBUTE_UNUSED, static bool do_tree_profiling (void) { - if (flag_tree_based_profiling) + if (flag_tree_based_profiling + && (profile_arc_flag || flag_test_coverage || flag_branch_probabilities)) { tree_register_profile_hooks (); tree_register_value_prof_hooks (); + return true; } - return flag_tree_based_profiling; + return false; } /* Return the file on which profile dump output goes, if any. */ |