From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-409298-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 27466 invoked by alias); 9 Dec 2012 21:00:03 -0000
Received: (qmail 27255 invoked by uid 48); 9 Dec 2012 20:59:44 -0000
From: "siarhei.siamashka at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/55614] [4.6/4.7 Regression] vector extensions cause movdqa to be generated for memcpy on unaligned buffer
Date: Sun, 09 Dec 2012 21:00:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Keywords:
X-Bugzilla-Severity: normal
X-Bugzilla-Who: siarhei.siamashka at gmail dot com
X-Bugzilla-Status: NEW
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 4.6.4
X-Bugzilla-Changed-Fields:
Message-ID: <bug-55614-4-7T1r5Yq6hX@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-55614-4@http.gcc.gnu.org/bugzilla/>
References: <bug-55614-4@http.gcc.gnu.org/bugzilla/>
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: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
X-SW-Source: 2012-12/txt/msg00906.txt.bz2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55614

--- Comment #8 from Siarhei Siamashka <siarhei.siamashka at gmail dot com> 2012-12-09 20:59:42 UTC ---
FWIW, the current gentoo patchset for gcc-4.7.2 contains
10_all_default-fortify-source.patch intended to "Enable -D_FORTIFY_SOURCE=2 by
default". It makes this bug non-reproducible there (or just latent?).