From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 9664 invoked by alias); 7 Sep 2008 14:00:06 -0000 Received: (qmail 9194 invoked by uid 48); 7 Sep 2008 13:58:46 -0000 Date: Sun, 07 Sep 2008 14:00:00 -0000 Message-ID: <20080907135846.9193.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug rtl-optimization/37377] [4.4 Regression] Bootstrap failure compiling libgcc In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "ebotcazou at gcc dot gnu dot org" 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: 2008-09/txt/msg00829.txt.bz2 ------- Comment #8 from ebotcazou at gcc dot gnu dot org 2008-09-07 13:58 ------- > See > > http://gcc.gnu.org/ml/gcc-testresults/2008-09/msg00384.html > > Mainline can bootstrap with i586-linux. But there are some additional > testsuite failures. Thanks for trying to reproduce, this is very helpful. I'm sorry, I forgot something: you must configure with RTL checking (--enable-checking=yes,rtl) in order to have the miscompilation. I'm going to attach a simplified testcase (which can be compiled by any x86 compiler) and the analysis. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37377