http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50709
Serge Belyshev <belyshev at depni dot sinp.msu.ru> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |wrong-code
Target|x86_64 |
CC| |belyshev at depni dot
| |sinp.msu.ru
Blocks| |49740, 49246
Summary|stage3 bootstrap comparison |stage3 bootstrap comparison
|fail on x86_64 with |failure with
|--disable-checking config |--disable-checking config
|option |option
--- Comment #2 from Serge Belyshev <belyshev at depni dot sinp.msu.ru>
2011-10-13 15:14:22 UTC ---
Git bisect pointed at r173532 by Honza:
2011-05-06 Jan Hubicka <j...@suse.cz>
* ipa-inline.c (update_callee_keys): Don't reset node growth cache.
--- a/gcc/ipa-inline.c
+++ b/gcc/ipa-inline.c
@@ -957,9 +957,9 @@ update_callee_keys (fibheap_t heap, struct cgraph_node
*node,
e = e->callee->callees;
else
{
- /* We inlined and thus callees might have different number of calls.
- Reset their caches */
- reset_node_growth_cache (e->callee);
+ /* We do not reset callee growth cache here. Since we added a new call,
+ growth chould have just increased and consequentely badness metric
+ don't need updating. */
if (e->inline_failed
&& inline_summary (e->callee)->inlinable
&& cgraph_function_body_availability (e->callee) >= AVAIL_AVAILABLE
Reverting this patch helps.
