From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18490 invoked by alias); 16 Jan 2011 20:26:46 -0000 Received: (qmail 18467 invoked by uid 22791); 16 Jan 2011 20:26:41 -0000 X-SWARE-Spam-Status: No, hits=-2.8 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sun, 16 Jan 2011 20:25:58 +0000 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/45852] volatile structs are broken! X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: jakub 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 Date: Sun, 16 Jan 2011 20:27:00 -0000 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: 2011-01/txt/msg01555.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45852 --- Comment #6 from Jakub Jelinek 2011-01-16 20:23:04 UTC --- Author: jakub Date: Sun Jan 16 20:23:01 2011 New Revision: 168867 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=168867 Log: Backport from mainline 2010-12-21 Jakub Jelinek PR middle-end/45852 * expr.c (store_expr): Ignore alt_rtl if equal to target, but has side-effects. * gcc.target/i386/pr45852.c: New test. Added: branches/gcc-4_5-branch/gcc/testsuite/gcc.target/i386/pr45852.c Modified: branches/gcc-4_5-branch/gcc/ChangeLog branches/gcc-4_5-branch/gcc/expr.c branches/gcc-4_5-branch/gcc/testsuite/ChangeLog