From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 7624 invoked by alias); 3 Jul 2008 19:34:04 -0000 Received: (qmail 7434 invoked by alias); 3 Jul 2008 19:33:13 -0000 Date: Thu, 03 Jul 2008 19:34:00 -0000 Message-ID: <20080703193313.7433.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug target/36713] [4.4 regression] r137252 breaks -O2 optimization on x86_64-unknown-linux-gnu In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "franke dot daniel at gmail dot com" Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2008-07/txt/msg00219.txt.bz2 ------- Comment #17 from franke dot daniel at gmail dot com 2008-07-03 19:33 ------- Subject: Re: [4.4 regression] r137252 breaks -O2 optimization on x86_64-unknown-linux-gnu > Well, the circumstances where the miscompilation occurs may be tricky. > So you say you have a testcase but that doesn't show wrong behavior? > That's unfortunate ... :/ There was this small glimmer of hope that you could tell from the assembly difference that something's horribly, horribly wrong and you know perfectly well how to fix it. No? :) A properly failing testcase might take a while ... -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36713