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predict.c (counts_to_freqs): Make glolbal.

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* 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.

From-SVN: r88093
This commit is contained in:
Jan Hubicka 2004-09-25 12:06:18 +02:00 committed by Jan Hubicka
parent 70f3cc30aa
commit bbd236a198
5 changed files with 13 additions and 4 deletions
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6
gcc/ChangeLog
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@ -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.

3
gcc/predict.c
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@ -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;

1
gcc/predict.h
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@ -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 */

1
gcc/profile.c
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@ -590,6 +590,7 @@ compute_branch_probabilities (void)
num_branches++, num_never_executed;
}
}
counts_to_freqs ();
if (dump_file)
{

6
gcc/tree-profile.c
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@ -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. */