From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12267 invoked by alias); 6 Aug 2013 14:24:10 -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 Received: (qmail 12080 invoked by uid 48); 6 Aug 2013 14:24:03 -0000 From: "bernd.edlinger at hotmail dot de" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/58041] Unaligned access to arrays in packed structure Date: Tue, 06 Aug 2013 14:24:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 4.9.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: bernd.edlinger at hotmail dot de X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: jamborm at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2013-08/txt/msg00364.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58041 --- Comment #30 from Bernd Edlinger --- Hi Martin, I have bootstrapped this patch for i686-pc-linux-gnu and have seen some "excess errors" in your test script: /home/ed/gnu/gcc-4.9-20130728/gcc/testsuite/gcc.dg/torture/pr58041.c: In function 'foo': /home/ed/gnu/gcc-4.9-20130728/gcc/testsuite/gcc.dg/torture/pr58041.c:15:11: note: The ABI for passing parameters with 16-byte alignment has changed in GCC 4.6 /home/ed/gnu/gcc-4.9-20130728/gcc/testsuite/gcc.dg/torture/pr58041.c:15:11: warning: SSE vector argument without SSE enabled changes the ABI [enabled by default] /home/ed/gnu/gcc-4.9-20130728/gcc/testsuite/gcc.dg/torture/pr58041.c:15:11: warning: SSE vector argument without SSE enabled changes the ABI [enabled by default] output is: /home/ed/gnu/gcc-4.9-20130728/gcc/testsuite/gcc.dg/torture/pr58041.c: In function 'foo': /home/ed/gnu/gcc-4.9-20130728/gcc/testsuite/gcc.dg/torture/pr58041.c:15:11: note: The ABI for passing parameters with 16-byte alignment has changed in GCC 4.6 /home/ed/gnu/gcc-4.9-20130728/gcc/testsuite/gcc.dg/torture/pr58041.c:15:11: warning: SSE vector argument without SSE enabled changes the ABI [enabled by default] /home/ed/gnu/gcc-4.9-20130728/gcc/testsuite/gcc.dg/torture/pr58041.c:15:11: warning: SSE vector argument without SSE enabled changes the ABI [enabled by default] FAIL: gcc.dg/torture/pr58041.c -O0 (test for excess errors) Excess errors: /home/ed/gnu/gcc-4.9-20130728/gcc/testsuite/gcc.dg/torture/pr58041.c:15:11: warning: SSE vector argument without SSE enabled changes the ABI [enabled by default] /home/ed/gnu/gcc-4.9-20130728/gcc/testsuite/gcc.dg/torture/pr58041.c:15:11: warning: SSE vector argument without SSE enabled changes the ABI [enabled by default]