From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28817 invoked by alias); 29 Oct 2014 09:33:09 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Received: (qmail 28724 invoked by uid 89); 29 Oct 2014 09:33:08 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=AWL,BAYES_00,SPF_PASS autolearn=ham version=3.3.2 X-HELO: service87.mimecast.com Received: from service87.mimecast.com (HELO service87.mimecast.com) (91.220.42.44) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Wed, 29 Oct 2014 09:33:07 +0000 Received: from cam-owa1.Emea.Arm.com (fw-tnat.cambridge.arm.com [217.140.96.21]) by service87.mimecast.com; Wed, 29 Oct 2014 09:33:04 +0000 Received: from SHAWIN202 ([10.1.255.212]) by cam-owa1.Emea.Arm.com with Microsoft SMTPSVC(6.0.3790.3959); Wed, 29 Oct 2014 09:33:03 +0000 From: "Thomas Preud'homme" To: "'Jakub Jelinek'" , "Richard Biener" Cc: "GCC Patches" References: <000001cfd198$71470e30$53d52a90$@arm.com> <000601cfed11$6702fdf0$3508f9d0$@arm.com> <20141028122714.GG10376@tucnak.redhat.com> In-Reply-To: <20141028122714.GG10376@tucnak.redhat.com> Subject: RE: [PATCH] Fix up sign extension in bswap Date: Wed, 29 Oct 2014 09:36:00 -0000 Message-ID: <000301cff35b$54185cd0$fc491670$@arm.com> MIME-Version: 1.0 X-MC-Unique: 114102909330403301 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes X-SW-Source: 2014-10/txt/msg03012.txt.bz2 > From: Jakub Jelinek [mailto:jakub@redhat.com] > Sent: Tuesday, October 28, 2014 12:27 PM >=20 > Thomas, you know the code better, can you from the fix figure out > a testcase that current trunk miscompiles or doesn't optimize > because of this bug? Here you are (see attachment). Best regards, Thomas