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[Bug tree-optimization/49365] 436.cactusADM performance regression
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 10 Jun 2011 15:12:21 +0000
- Subject: [Bug tree-optimization/49365] 436.cactusADM performance regression
- Auto-submitted: auto-generated
- References: <bug-49365-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49365
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |hjl at gcc dot gnu.org
Known to fail| |4.6.1, 4.7.0
--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-06-10 15:11:50 UTC ---
Bisecting this shows that rev. 166552 is the cause.
2010-11-10 H.J. Lu <hongjiu.lu@intel.com>
PR tree-optimization/46414
* tree-inline.c (estimate_move_cost): Check preferred vector
mode for vector type.
The bug doesn't manifest itself on K8 or iCore7 nor does it show up
with the default arch and generic tuning.