From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1025 invoked by alias); 3 Jan 2006 22:37:54 -0000 Received: (qmail 978 invoked by alias); 3 Jan 2006 22:37:51 -0000 Date: Tue, 03 Jan 2006 22:37:00 -0000 Message-ID: <20060103223751.977.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug rtl-optimization/25130] [4.1/4.2 Regression] miscompilation in GCSE In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "steven at gcc dot gnu dot org" 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 X-SW-Source: 2006-01/txt/msg00297.txt.bz2 List-Id: ------- Comment #19 from steven at gcc dot gnu dot org 2006-01-03 22:37 ------- Subject: Bug 25130 Author: steven Date: Tue Jan 3 22:37:46 2006 New Revision: 109292 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=109292 Log: 2006-01-03 Steven Bosscher * fold-const.c (operand_equal_p): Accept a NULL operand 0 for COMPONENT_REFs. * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for hashing trees instead of a pointer hash. (mem_attrs_htab_eq): Do a deep compare instead of a pointer compare for MEM_EXPR. PR rtl-optimization/25130 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of * MEM_ALIAS_SET when comparing MEMs for GCSE Modified: branches/gcc-4_1-branch/gcc/ChangeLog branches/gcc-4_1-branch/gcc/cse.c branches/gcc-4_1-branch/gcc/emit-rtl.c branches/gcc-4_1-branch/gcc/fold-const.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25130