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From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/36343] [4.3 Regression] Wrong code due to bad TBAA pruning of points-to-sets and use in call clobbering
Date: Fri, 19 Sep 2008 15:07:00 -0000 [thread overview]
Message-ID: <20080919150602.7624.qmail@sourceware.org> (raw)
In-Reply-To: <bug-36343-10053@http.gcc.gnu.org/bugzilla/>
------- Comment #10 from rguenth at gcc dot gnu dot org 2008-09-19 15:06 -------
Subject: Bug 36343
Author: rguenth
Date: Fri Sep 19 15:04:36 2008
New Revision: 140492
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=140492
Log:
2008-09-19 Richard Guenther <rguenther@suse.de>
PR tree-optimization/36343
* tree-ssa-structalias.c (struct variable_info): Remove
directly_dereferenced member.
(new_var_info): Do not set it.
(process_constraint_1): Likewise.
(set_uids_in_ptset): Remove TBAA-pruning code.
(find_what_p_points_to): Do not pass TBAA-pruning related
parameters.
* gcc.c-torture/execute/pr36343.c: New testcase.
Added:
branches/gcc-4_3-branch/gcc/testsuite/gcc.c-torture/execute/pr36343.c
Modified:
branches/gcc-4_3-branch/gcc/ChangeLog
branches/gcc-4_3-branch/gcc/testsuite/ChangeLog
branches/gcc-4_3-branch/gcc/tree-ssa-structalias.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36343
prev parent reply other threads:[~2008-09-19 15:07 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-27 12:42 [Bug tree-optimization/36343] New: " rguenth at gcc dot gnu dot org
2008-05-27 12:46 ` [Bug tree-optimization/36343] [4.3/4.4 Regression] " rguenth at gcc dot gnu dot org
2008-05-27 12:46 ` rguenth at gcc dot gnu dot org
2008-05-28 22:12 ` rguenth at gcc dot gnu dot org
2008-05-29 10:33 ` rguenth at gcc dot gnu dot org
2008-05-29 10:35 ` rguenth at gcc dot gnu dot org
2008-06-06 15:04 ` [Bug tree-optimization/36343] [4.3 " rguenth at gcc dot gnu dot org
2008-08-27 22:09 ` jsm28 at gcc dot gnu dot org
2008-09-17 14:47 ` rguenth at gcc dot gnu dot org
2008-09-17 15:08 ` ebotcazou at gcc dot gnu dot org
2008-09-17 15:12 ` rguenther at suse dot de
2008-09-19 15:06 ` rguenth at gcc dot gnu dot org
2008-09-19 15:07 ` rguenth at gcc dot gnu dot org [this message]
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