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cgraph.h (cgraph_optimize_for_size_p): Declare.

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* cgraph.h (cgraph_optimize_for_size_p): Declare.
	* ipa-cp.c (ipcp_insert_stage): Use cgraph_optimize_for_size_p.
	* predict.c (cgraph_optimize_for_size_p): Break out from ...
	(optimize_function_for_size_p) ... here.

From-SVN: r172711
This commit is contained in:
Jan Hubicka 2011-04-19 16:23:38 +02:00 committed by Jan Hubicka
parent be7f782278
commit e6416b305e
4 changed files with 25 additions and 8 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2011-04-19 Jan Hubicka <jh@suse.cz>
* cgraph.h (cgraph_optimize_for_size_p): Declare.
* ipa-cp.c (ipcp_insert_stage): Use cgraph_optimize_for_size_p.
* predict.c (cgraph_optimize_for_size_p): Break out from ...
(optimize_function_for_size_p) ... here.
2011-04-19 Richard Guenther <rguenther@suse.de>
PR lto/48207

1
gcc/cgraph.h
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@ -656,6 +656,7 @@ bool cgraph_comdat_can_be_unshared_p (struct cgraph_node *);
/* In predict.c */
bool cgraph_maybe_hot_edge_p (struct cgraph_edge *e);
bool cgraph_optimize_for_size_p (struct cgraph_node *);
/* In varpool.c */
extern GTY(()) struct varpool_node *varpool_nodes_queue;

2
gcc/ipa-cp.c
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@ -1410,7 +1410,7 @@ ipcp_insert_stage (void)
if (new_size + growth > max_new_size)
break;
if (growth
&& optimize_function_for_size_p (DECL_STRUCT_FUNCTION (node->decl)))
&& cgraph_optimize_for_size_p (node))
{
if (dump_file)
fprintf (dump_file, "Not versioning, cold code would grow");

23
gcc/predict.c
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@ -196,7 +196,9 @@ maybe_hot_edge_p (edge e)
return maybe_hot_frequency_p (EDGE_FREQUENCY (e));
}
/* Return true in case BB is probably never executed. */
bool
probably_never_executed_bb_p (const_basic_block bb)
{
@ -209,22 +211,29 @@ probably_never_executed_bb_p (const_basic_block bb)
return false;
}
/* Return true if NODE should be optimized for size. */
bool
cgraph_optimize_for_size_p (struct cgraph_node *node)
{
if (optimize_size)
return true;
if (node && (node->frequency == NODE_FREQUENCY_UNLIKELY_EXECUTED))
return true;
else
return false;
}
/* Return true when current function should always be optimized for size. */
bool
optimize_function_for_size_p (struct function *fun)
{
struct cgraph_node *node;
if (optimize_size)
return true;
if (!fun || !fun->decl)
return false;
node = cgraph_get_node (fun->decl);
if (node && (node->frequency == NODE_FREQUENCY_UNLIKELY_EXECUTED))
return true;
else
return false;
return cgraph_optimize_for_size_p (cgraph_get_node (fun->decl));
}
/* Return true when current function should always be optimized for speed. */