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[Bug middle-end/49893] [4.7 Regression] -O3 generates wrong code for volatile
- 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, 29 Jul 2011 09:54:41 +0000
- Subject: [Bug middle-end/49893] [4.7 Regression] -O3 generates wrong code for volatile
- Auto-submitted: auto-generated
- References: <bug-49893-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49893
--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-07-29 09:54:29 UTC ---
Author: rguenth
Date: Fri Jul 29 09:54:23 2011
New Revision: 176921
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176921
Log:
2011-07-29 Richard Guenther <rguenther@suse.de>
PR tree-optimization/49893
* tree-predcom.c (suitable_reference_p): Volatile references
are not suitable.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-predcom.c