From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 32073 invoked by alias); 18 Oct 2011 08:08:39 -0000 Received: (qmail 32060 invoked by uid 22791); 18 Oct 2011 08:08:37 -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; Tue, 18 Oct 2011 08:08:16 +0000 Received: from localhost (localhost [127.0.0.1]) by filtered-smtp.eu.adacore.com (Postfix) with ESMTP id 98F67CB02D1; Tue, 18 Oct 2011 10:08:16 +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 v8Uj4A756VTZ; Tue, 18 Oct 2011 10:08:06 +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 B82DDCB016C; Tue, 18 Oct 2011 10:08:06 +0200 (CEST) From: Eric Botcazou To: Bernd Schmidt Subject: Re: resent2 [PATCH] Fix ICE in redirect_jump, at jump.c:1497 PR50496 Date: Tue, 18 Oct 2011 08:57:00 -0000 User-Agent: KMail/1.9.9 Cc: Markus Trippelsdorf , gcc-patches@gcc.gnu.org References: <20111014085134.GA1662@x4.trippels.de> <201110171943.36870.ebotcazou@adacore.com> <4E9C6C27.3050301@codesourcery.com> In-Reply-To: <4E9C6C27.3050301@codesourcery.com> MIME-Version: 1.0 Content-Disposition: inline Message-Id: <201110181003.38002.ebotcazou@adacore.com> Content-Type: text/plain; charset="utf-8" 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: 2011-10/txt/msg01597.txt.bz2 > thread_prologue_and_epilogue_insns should detect all cases where a > return insn can be created. So any CFG cleanup that runs before it does > not need this functionality. So we're left with CFG cleanups that run after it and could forward edges to an edge from a return insn to the exit block in order to build a new return insn. -- Eric Botcazou