From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17938 invoked by alias); 19 Apr 2004 13:20:51 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Received: (qmail 17893 invoked from network); 19 Apr 2004 13:20:49 -0000 Received: from unknown (HELO cam-admin0.cambridge.arm.com) (193.131.176.58) by sources.redhat.com with SMTP; 19 Apr 2004 13:20:49 -0000 Received: from cam-mail2.cambridge.arm.com (cam-mail2.cambridge.arm.com [10.1.127.39]) by cam-admin0.cambridge.arm.com (8.12.10/8.12.10) with ESMTP id i3JDKmk1018362; Mon, 19 Apr 2004 14:20:48 +0100 (BST) Received: from ZIPPY.Emea.Arm.com (george.emea.arm.com [10.1.255.81]) by cam-mail2.cambridge.arm.com (8.9.3/8.9.3) with ESMTP id OAA29550; Mon, 19 Apr 2004 14:20:46 +0100 (BST) Received: zippy.emea.arm.com 10.1.255.80 from 10.1.205.4 10.1.205.4 via HTTP with MS-WebStorage 6.5.6944 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Received: from pc960.cambridge.arm.com by zippy.emea.arm.com; 19 Apr 2004 14:19:42 +0100 In-Reply-To: References: Content-class: urn:content-classes:message Subject: Re: Patch ping Date: Mon, 19 Apr 2004 13:20:00 -0000 Message-ID: <1082380782.29083.9.camel@pc960.cambridge.arm.com> X-MS-Has-Attach: X-MS-TNEF-Correlator: From: "Richard Earnshaw" To: "Andreas Schwab" Cc: "Paolo Bonzini" , X-SW-Source: 2004-04/txt/msg01160.txt.bz2 On Mon, 2004-04-19 at 13:57, Andreas Schwab wrote: > "Paolo Bonzini" writes: >=20 > >> Paolo, > >> > >> on which platform did you bootstrap this? > > > > i686-pc-linux-gnu, all languages except Ada/treelang. > > > >> It causes build errors on > >> both Linux/x86-64 and Linux/ia64 as reported by Andreas Schwab and > >> myself on the main GCC list yesterday. > >> > >> Please fix the regressions that your patch has caused. > > > > As I wrote on gcc, I don't think I can be blamed on this. The bugs are= not > > in the code I touched, but only in the code I enabled. All I can do is > > disabling -frename-registers on the affected archs, as per the attached > > patch disable-ada-rename-regs.patch. >=20 > This has nothing to do with Ada, the same error happens with libstdc++ as > well, see . It seems like > -frename-registers is generally broken, or triggers generally broken code. Not to mention the fact that it also appears to be a major CPU hog.=20 Depending on the platform this can cause up to about 4% increase in compile times. R.