From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 122226 invoked by alias); 14 May 2015 09:50:23 -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 122217 invoked by uid 89); 14 May 2015 09:50:22 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.4 required=5.0 tests=AWL,BAYES_00,KAM_LAZY_DOMAIN_SECURITY,SPF_HELO_PASS,T_RP_MATCHES_RCVD autolearn=no version=3.3.2 X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-GCM-SHA384 encrypted) ESMTPS; Thu, 14 May 2015 09:50:22 +0000 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id t4E9oIkd024542 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 14 May 2015 05:50:18 -0400 Received: from tucnak.zalov.cz (ovpn-116-89.ams2.redhat.com [10.36.116.89]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t4E9oH0K027165 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Thu, 14 May 2015 05:50:18 -0400 Received: from tucnak.zalov.cz (localhost [127.0.0.1]) by tucnak.zalov.cz (8.14.9/8.14.9) with ESMTP id t4E9oFU1029157; Thu, 14 May 2015 11:50:16 +0200 Received: (from jakub@localhost) by tucnak.zalov.cz (8.14.9/8.14.9/Submit) id t4E9oDGR029156; Thu, 14 May 2015 11:50:13 +0200 Date: Thu, 14 May 2015 10:08:00 -0000 From: Jakub Jelinek To: Richard Biener Cc: Marek Polacek , Richard Biener , Joseph Myers , GCC Patches Subject: Re: [PATCH] Don't fold away division by zero (PR middle-end/66127) Message-ID: <20150514095013.GM1751@tucnak.redhat.com> Reply-To: Jakub Jelinek References: <20150513134111.GA27320@redhat.com> <20150513135509.GE1751@tucnak.redhat.com> <20150513141115.GC27320@redhat.com> <20150513191803.GG27320@redhat.com> <20150514081035.GH27320@redhat.com> <30D76A95-5AB6-4430-8652-58D3A598C4F9@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <30D76A95-5AB6-4430-8652-58D3A598C4F9@suse.de> User-Agent: Mutt/1.5.23 (2014-03-12) X-IsSubscribed: yes X-SW-Source: 2015-05/txt/msg01301.txt.bz2 On Thu, May 14, 2015 at 11:48:55AM +0200, Richard Biener wrote: > On May 14, 2015 10:10:35 AM GMT+02:00, Marek Polacek wrote: > >On Thu, May 14, 2015 at 09:59:49AM +0200, Richard Biener wrote: > >> Do the patches allow us to remove the restrictions from the folding > >patterns? > > > >With the c_fully_fold_internal patches there's no need to tweak any > >match.pd > >patterns. So PR66127 + PR66066 are to be solved solely in the C FE. > >Is that > >what you're asking about? > > No, I'm asking whether we can remove the existing guards in match.pd. There is also the C++ FE... Jakub