From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-458408-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 22270 invoked by alias); 14 Aug 2014 06:17:36 -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 22245 invoked by uid 55); 14 Aug 2014 06:17:30 -0000
From: "thopre01 at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/62103] Incorrect folding of bitfield in a union on big endian targets
Date: Thu, 14 Aug 2014 06:17:00 -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: 4.8.3
X-Bugzilla-Keywords:
X-Bugzilla-Severity: normal
X-Bugzilla-Who: thopre01 at gcc dot gnu.org
X-Bugzilla-Status: ASSIGNED
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: thopre01 at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags:
X-Bugzilla-Changed-Fields:
Message-ID: <bug-62103-4-nT9oqiGvOx@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-62103-4@http.gcc.gnu.org/bugzilla/>
References: <bug-62103-4@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: 2014-08/txt/msg00905.txt.bz2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62103

--- Comment #5 from thopre01 at gcc dot gnu.org ---
Author: thopre01
Date: Thu Aug 14 06:16:56 2014
New Revision: 213941

URL: https://gcc.gnu.org/viewcvs?rev=213941&root=gcc&view=rev
Log:
2014-08-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    Backport from mainline
    2014-08-12  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    gcc/
    PR middle-end/62103
    * gimple-fold.c (fold_ctor_reference): Don't fold in presence of
    bitfields, that is when size doesn't match the size of type or the
    size of the constructor.

    gcc/testsuite/
    PR middle-end/62103
    * gcc.c-torture/execute/bitfld-6.c: New test.

Added:
    branches/gcc-4_9-branch/gcc/testsuite/gcc.c-torture/execute/bitfld-6.c
Modified:
    branches/gcc-4_9-branch/gcc/ChangeLog
    branches/gcc-4_9-branch/gcc/gimple-fold.c
    branches/gcc-4_9-branch/gcc/testsuite/ChangeLog