From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 26051 invoked by alias); 14 May 2011 19:33:35 -0000 Received: (qmail 26042 invoked by uid 22791); 14 May 2011 19:33:34 -0000 X-SWARE-Spam-Status: No, hits=-1.9 required=5.0 tests=AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from mel.act-europe.fr (HELO mel.act-europe.fr) (194.98.77.210) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sat, 14 May 2011 19:33:20 +0000 Received: from localhost (localhost [127.0.0.1]) by filtered-smtp.eu.adacore.com (Postfix) with ESMTP id B8243CB01FC; Sat, 14 May 2011 21:33:19 +0200 (CEST) Received: from mel.act-europe.fr ([127.0.0.1]) by localhost (smtp.eu.adacore.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id J8r5azopH3IL; Sat, 14 May 2011 21:33:16 +0200 (CEST) Received: from [192.168.1.2] (bon31-9-83-155-120-49.fbx.proxad.net [83.155.120.49]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mel.act-europe.fr (Postfix) with ESMTP id A8C85CB024D; Sat, 14 May 2011 21:33:16 +0200 (CEST) From: Eric Botcazou To: John David Anglin Subject: Re: [BACKPORT] Fix PR rtl-optimization/45593 Date: Sun, 15 May 2011 10:28:00 -0000 User-Agent: KMail/1.9.9 Cc: gcc-patches@gcc.gnu.org References: <20110514181632.GA8346@hiauly1.hia.nrc.ca> In-Reply-To: <20110514181632.GA8346@hiauly1.hia.nrc.ca> MIME-Version: 1.0 Content-Disposition: inline Message-Id: <201105142126.44796.ebotcazou@adacore.com> Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit 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 X-SW-Source: 2011-05/txt/msg01061.txt.bz2 > Investigation showed that this bug was a delay slot scheduling problem > and that the issue was fixed by Eric last September. The fix was back > ported to the 4.5 branch but not to previous branches. The identical > fix applies to the 4.4 and 4.3 branches. > > Ok to backport? OK, thanks. Note that another delay slot bug was fixed around the same time: 2010-09-20 Eric Botcazou PR rtl-optimization/42775 * cfgrtl.c (rest_of_pass_free_cfg): Recompute notes if delay slot scheduling is enabled. This one was installed on the 4.6/4.5/4.4 branches. -- Eric Botcazou