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cgraph.c (cgraph_edge::maybe_hot_p): Do not check flag_branch_probabilities.

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* cgraph.c (cgraph_edge::maybe_hot_p): Do not check
	flag_branch_probabilities.
	* ipa-inline.c (edge_badness): Likewise.
	* ipa-profile.c (ipa_propagate_frequency_1): Likewise.
	* postreload-gcse.c (eliminate_partially_redundant_load): Likewise.
	* predict.c (maybe_hot_frequency_p): Likewise.
	(probably_never_executed): Likewise.
	* sched-ebb.c (schedule_ebbs): Likewise.
	* sched-rgn.c (find_single_block_region): Likewise.
	* tracer.c (tail_duplicate): Likewise.

From-SVN: r249020
This commit is contained in:
Jan Hubicka 2017-06-08 17:15:51 +02:00 committed by Jan Hubicka
parent ae5512dd4f
commit ee4e85b78f
9 changed files with 23 additions and 14 deletions
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13
gcc/ChangeLog
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@ -1,3 +1,16 @@
2017-06-08 Jan Hubicka <hubicka@ucw.cz>
* cgraph.c (cgraph_edge::maybe_hot_p): Do not check
flag_branch_probabilities.
* ipa-inline.c (edge_badness): Likewise.
* ipa-profile.c (ipa_propagate_frequency_1): Likewise.
* postreload-gcse.c (eliminate_partially_redundant_load): Likewise.
* predict.c (maybe_hot_frequency_p): Likewise.
(probably_never_executed): Likewise.
* sched-ebb.c (schedule_ebbs): Likewise.
* sched-rgn.c (find_single_block_region): Likewise.
* tracer.c (tail_duplicate): Likewise.
2017-06-08 Jan Hubicka <hubicka@ucw.cz>
* opts.c (finish_options): x_flag_reorder_blocks_and_partition no

5
gcc/cgraph.c
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@ -2729,10 +2729,7 @@ cgraph_edge::cannot_lead_to_return_p (void)
bool
cgraph_edge::maybe_hot_p (void)
{
/* TODO: Export profile_status from cfun->cfg to cgraph_node. */
if (profile_info
&& opt_for_fn (caller->decl, flag_branch_probabilities)
&& !maybe_hot_count_p (NULL, count))
if (!maybe_hot_count_p (NULL, count))
return false;
if (caller->frequency == NODE_FREQUENCY_UNLIKELY_EXECUTED
|| (callee

2
gcc/ipa-inline.c
View File

@ -1078,7 +1078,7 @@ edge_badness (struct cgraph_edge *edge, bool dump)
numerator = ((sreal) 1 >> 8);
if (caller->count > profile_count::zero ())
numerator *= caller->count.to_gcov_type ();
else if (opt_for_fn (caller->decl, flag_branch_probabilities))
else if (caller->count.initialized_p ())
numerator = numerator >> 11;
denominator = growth;

2
gcc/ipa-profile.c
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@ -330,7 +330,7 @@ ipa_propagate_frequency_1 (struct cgraph_node *node, void *data)
it is executed by the train run. Transfer the function only if all
callers are unlikely executed. */
if (profile_info
&& opt_for_fn (d->function_symbol->decl, flag_branch_probabilities)
&& edge->callee->count.initialized_p ()
/* Thunks are not profiled. This is more or less implementation
bug. */
&& !d->function_symbol->thunk.thunk_p

2
gcc/postreload-gcse.c
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@ -1158,7 +1158,7 @@ eliminate_partially_redundant_load (basic_block bb, rtx_insn *insn,
|| (optimize_bb_for_size_p (bb) && npred_ok > 1)
/* If we don't have profile information we cannot tell if splitting
a critical edge is profitable or not so don't do it. */
|| ((! profile_info || ! flag_branch_probabilities
|| ((! profile_info || profile_status_for_fn (cfun) != PROFILE_READ
|| targetm.cannot_modify_jumps_p ())
&& critical_edge_split))
goto cleanup;

5
gcc/predict.c
View File

@ -123,8 +123,7 @@ static inline bool
maybe_hot_frequency_p (struct function *fun, int freq)
{
struct cgraph_node *node = cgraph_node::get (fun->decl);
if (!profile_info
|| !opt_for_fn (fun->decl, flag_branch_probabilities))
if (!profile_info || profile_status_for_fn (fun) != PROFILE_READ)
{
if (node->frequency == NODE_FREQUENCY_UNLIKELY_EXECUTED)
return false;
@ -222,7 +221,7 @@ probably_never_executed (struct function *fun,
return false;
return true;
}
if ((!profile_info || !(opt_for_fn (fun->decl, flag_branch_probabilities)))
if ((!profile_info || profile_status_for_fn (fun) != PROFILE_READ)
&& (cgraph_node::get (fun->decl)->frequency
== NODE_FREQUENCY_UNLIKELY_EXECUTED))
return true;

2
gcc/sched-ebb.c
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@ -622,7 +622,7 @@ schedule_ebbs (void)
if (n_basic_blocks_for_fn (cfun) == NUM_FIXED_BLOCKS)
return;
if (profile_info && flag_branch_probabilities)
if (profile_info && profile_status_for_fn (cfun) == PROFILE_READ)
probability_cutoff = PARAM_VALUE (TRACER_MIN_BRANCH_PROBABILITY_FEEDBACK);
else
probability_cutoff = PARAM_VALUE (TRACER_MIN_BRANCH_PROBABILITY);

2
gcc/sched-rgn.c
View File

@ -477,7 +477,7 @@ find_single_block_region (bool ebbs_p)
if (ebbs_p) {
int probability_cutoff;
if (profile_info && flag_branch_probabilities)
if (profile_info && profile_status_for_fn (cfun) == PROFILE_READ)
probability_cutoff = PARAM_VALUE (TRACER_MIN_BRANCH_PROBABILITY_FEEDBACK);
else
probability_cutoff = PARAM_VALUE (TRACER_MIN_BRANCH_PROBABILITY);

4
gcc/tracer.c
View File

@ -270,7 +270,7 @@ tail_duplicate (void)
bitmap_clear (bb_seen);
initialize_original_copy_tables ();
if (profile_info && flag_branch_probabilities)
if (profile_info && profile_status_for_fn (cfun) == PROFILE_READ)
probability_cutoff = PARAM_VALUE (TRACER_MIN_BRANCH_PROBABILITY_FEEDBACK);
else
probability_cutoff = PARAM_VALUE (TRACER_MIN_BRANCH_PROBABILITY);
@ -290,7 +290,7 @@ tail_duplicate (void)
weighted_insns += n * bb->frequency;
}
if (profile_info && flag_branch_probabilities)
if (profile_info && profile_status_for_fn (cfun) == PROFILE_READ)
cover_insns = PARAM_VALUE (TRACER_DYNAMIC_COVERAGE_FEEDBACK);
else
cover_insns = PARAM_VALUE (TRACER_DYNAMIC_COVERAGE);