From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 15356 invoked by alias); 12 Aug 2011 15:06:05 -0000 Received: (qmail 15340 invoked by uid 22791); 12 Aug 2011 15:06:04 -0000 X-SWARE-Spam-Status: No, hits=-2.4 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW X-Spam-Check-By: sourceware.org Received: from mail-yw0-f47.google.com (HELO mail-yw0-f47.google.com) (209.85.213.47) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 12 Aug 2011 15:05:46 +0000 Received: by ywe9 with SMTP id 9so2086157ywe.20 for ; Fri, 12 Aug 2011 08:05:46 -0700 (PDT) Received: by 10.146.92.4 with SMTP id p4mr1031078yab.19.1313161545872; Fri, 12 Aug 2011 08:05:45 -0700 (PDT) MIME-Version: 1.0 Received: by 10.147.41.16 with HTTP; Fri, 12 Aug 2011 08:02:48 -0700 (PDT) In-Reply-To: <4E4536FD.4070705@redhat.com> References: <4E431BD8.8060705@redhat.com> <4E43E6BC.90003@redhat.com> <4E4536FD.4070705@redhat.com> From: "Paulo J. Matos" Date: Fri, 12 Aug 2011 15:06:00 -0000 Message-ID: Subject: Re: Move insn out of the way To: Vladimir Makarov Cc: Richard Guenther , gcc@gcc.gnu.org Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org X-SW-Source: 2011-08/txt/msg00252.txt.bz2 On Fri, Aug 12, 2011 at 3:21 PM, Vladimir Makarov wro= te: > > Sorry, Paulo. =C2=A0I don't think it is a good idea to have such a genera= l pass. Thanks for the observation and the points you made. I understand and agree that this should be sorted at the IRA level. What I might do in the meantime is to implement such a pass on my port of GCC until it is sorted upstream. > > But to be honest, I think, the best solution would be in RA because it is > dealing with insn constraints and costs. =C2=A0I'll think about solving t= his > problem in RA. > Thanks! I will be eagerly waiting for an update. Cheers, --=20 PMatos