From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 20146 invoked by alias); 18 Jan 2013 10:59:37 -0000 Received: (qmail 19171 invoked by uid 55); 18 Jan 2013 10:57:53 -0000 From: "aoliva at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug debug/49888] VTA: -O2 -g variable value changes, it does not change in the source Date: Fri, 18 Jan 2013 10:59:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: debug X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: aoliva at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: aoliva at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 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: 2013-01/txt/msg01701.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49888 --- Comment #13 from Alexandre Oliva 2013-01-18 10:57:51 UTC --- Author: aoliva Date: Fri Jan 18 10:57:36 2013 New Revision: 195289 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195289 Log: PR rtl-optimization/55547 PR rtl-optimization/53827 PR debug/53671 PR debug/49888 * alias.c (offset_overlap_p): New, factored out of... (memrefs_conflict_p): ... this. Use absolute sizes. Retain the conservative special case for symbolic constants. Don't adjust zero sizes on alignment. Modified: trunk/gcc/ChangeLog trunk/gcc/alias.c