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[Bug tree-optimization/33508] [4.3 Regression] tree struct aliasing goes into a loop marking call clobbers.
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 21 Sep 2007 09:37:05 -0000
- Subject: [Bug tree-optimization/33508] [4.3 Regression] tree struct aliasing goes into a loop marking call clobbers.
- References: <bug-33508-14766@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #9 from rguenth at gcc dot gnu dot org 2007-09-21 09:37 -------
Subject: Bug 33508
Author: rguenth
Date: Fri Sep 21 09:36:52 2007
New Revision: 128645
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=128645
Log:
2007-09-21 Richard Guenther <rguenther@suse.de>
PR tree-optimization/33508
* tree-ssa-alias.c (mark_aliases_call_clobbered): Avoid
quadratic loop by keeping a bitmap of variables we have
to clobber all subvariables for.
(set_initial_properties): Likewise.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-ssa-alias.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33508