From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12293 invoked by alias); 11 Feb 2015 06:43:01 -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 12277 invoked by uid 89); 11 Feb 2015 06:43:00 -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, 11 Feb 2015 06:42:58 +0000 Received: from cam-owa1.Emea.Arm.com (fw-tnat.cambridge.arm.com [217.140.96.140]) by service87.mimecast.com; Wed, 11 Feb 2015 06:42:55 +0000 Received: from SHAWIN202 ([10.1.255.212]) by cam-owa1.Emea.Arm.com with Microsoft SMTPSVC(6.0.3790.3959); Wed, 11 Feb 2015 06:42:54 +0000 From: "Thomas Preud'homme" To: "'Jeff Law'" , "'Andrew Pinski'" Cc: "Eric Botcazou" , "GCC Patches" References: <00f001d044d4$23f37e20$6bda7a60$@arm.com> <00f201d044d8$0131ccd0$03956670$@arm.com> <54DAF0CD.9030701@redhat.com> In-Reply-To: <54DAF0CD.9030701@redhat.com> Subject: RE: [PATCH 1/2, combine] Try REG_EQUAL for nonzero_bits Date: Wed, 11 Feb 2015 06:43:00 -0000 Message-ID: <00f401d045c5$f0853540$d18f9fc0$@arm.com> MIME-Version: 1.0 X-MC-Unique: 115021106425504801 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes X-SW-Source: 2015-02/txt/msg00675.txt.bz2 > From: Jeff Law [mailto:law@redhat.com] > Sent: Wednesday, February 11, 2015 2:04 PM >=20 > Given the rs6000 is affected, one could do before/after tests natively > in the gcc farm to ensure that removing that code doesn't change the > generated code across a bootstrap. Wouldn't that only tell whether the macro can stay undefined for rs6000? MD files for rs6000 could have been tighten since then but not others backend's MD files. >=20 > That's probably how I'd approach gathering some data about whether or > not the comment/code is still appropriate/needed. Do people with svn access automatically have access to the GCC farm or does one needs to request such access? Best regards, Thomas