From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 6177 invoked by alias); 27 May 2010 06:26:53 -0000 Received: (qmail 6147 invoked by uid 48); 27 May 2010 06:26:41 -0000 Date: Thu, 27 May 2010 06:26:00 -0000 Subject: [Bug tree-optimization/44290] New: arm linux kernel crahes when built with -fipa-sra X-Bugzilla-Reason: CC Message-ID: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "raj dot khem 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: 2010-05/txt/msg02984.txt.bz2 While trying to boot linux 2.6.34 built with gcc from latest gcc-4_5-branch the kernel would not boot. Same kernel would work fine with gcc 4.4.4 Reducing to individual optimization phases. So far I have seen that when compiled with -O2 the kernel crashes however when I change the flags to -O2 -fno-ipa-sra then it works well. I don't have a small test-case as of now. I am trying to reduce it but it might take some time. Meanwhile I wanted to open the bug so that if someone else has information on similar issue can chime in. -- Summary: arm linux kernel crahes when built with -fipa-sra Product: gcc Version: 4.5.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: raj dot khem at gmail dot com GCC build triplet: x86_64-linux GCC host triplet: x86_64-linux GCC target triplet: arm-none-linux-uclibcgnueabi http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44290