From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-500055-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 19331 invoked by alias); 20 Oct 2015 13:13:44 -0000
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
Received: (qmail 19256 invoked by uid 48); 20 Oct 2015 13:13:40 -0000
From: "vogt at linux dot vnet.ibm.com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/67443] [5/6 regression] DSE removes required store instruction
Date: Tue, 20 Oct 2015 13:13:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: rtl-optimization
X-Bugzilla-Version: 5.2.0
X-Bugzilla-Keywords: wrong-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: vogt at linux dot vnet.ibm.com
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Resolution:
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 5.3
X-Bugzilla-Flags:
X-Bugzilla-Changed-Fields:
Message-ID: <bug-67443-4-mIRbDnxjuw@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-67443-4@http.gcc.gnu.org/bugzilla/>
References: <bug-67443-4@http.gcc.gnu.org/bugzilla/>
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: 2015-10/txt/msg01610.txt.bz2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67443

--- Comment #17 from Dominik Vogt <vogt at linux dot vnet.ibm.com> ---
> So does [patch] fix the issue?

Yes.  The testsuite on 64-bit and 31-bit systems has no regressions with the
patch either.