From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 16175 invoked by alias); 19 Sep 2008 15:07:22 -0000 Received: (qmail 7625 invoked by alias); 19 Sep 2008 15:06:02 -0000 Date: Fri, 19 Sep 2008 15:07:00 -0000 Message-ID: <20080919150602.7624.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/36343] [4.3 Regression] Wrong code due to bad TBAA pruning of points-to-sets and use in call clobbering In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "rguenth at gcc dot gnu dot org" Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2008-09/txt/msg02256.txt.bz2 ------- 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 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