From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 32684 invoked by alias); 24 Sep 2005 20:12:56 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 32623 invoked by uid 48); 24 Sep 2005 20:12:22 -0000 Date: Sat, 24 Sep 2005 20:12:00 -0000 Message-ID: <20050924201222.32622.qmail@sourceware.org> From: "pinskia at gcc dot gnu dot org" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20050924140210.24049.harold@alum.mit.edu> References: <20050924140210.24049.harold@alum.mit.edu> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug middle-end/24049] [4.1 regression] compiler error: Segmentation fault In function 'DESX_CBCUpdate' X-Bugzilla-Reason: CC X-SW-Source: 2005-09/txt/msg02938.txt.bz2 List-Id: ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-09-24 20:12 ------- This is a very recent regression as it worked with 20050908. I think it was caused by: 2005-09-17 Richard Henderson * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change. * tree-ssa-loop.c (pass_vect_dce): Remove. * passes.c (init_optimization_passes): Add pass_dce as a sub-pass of pass_vectorize. The issue is that the scev is not very GC friendly. -- What |Removed |Added ---------------------------------------------------------------------------- CC| |rth at gcc dot gnu dot org GCC build triplet|x86_64-linux-gnu | GCC host triplet|x86_64-linux-gnu | GCC target triplet|x86_64-linux-gnu | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24049