From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23676 invoked by alias); 27 Aug 2005 09:41:24 -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 23612 invoked by alias); 27 Aug 2005 09:41:16 -0000 Date: Sat, 27 Aug 2005 12:04:00 -0000 Message-ID: <20050827094116.23611.qmail@sourceware.org> From: "cvs-commit at gcc dot gnu dot org" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20050825153435.23561.jakub@gcc.gnu.org> References: <20050825153435.23561.jakub@gcc.gnu.org> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug rtl-optimization/23561] nonoverlapping_memrefs_p returns true even for overlapping memory references X-Bugzilla-Reason: CC X-SW-Source: 2005-08/txt/msg03123.txt.bz2 List-Id: ------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-08-27 09:41 ------- Subject: Bug 23561 CVSROOT: /cvs/gcc Module name: gcc Branch: gcc-4_0-branch Changes by: jakub@gcc.gnu.org 2005-08-27 09:41:08 Modified files: gcc : ChangeLog builtins.c gcc/testsuite : ChangeLog Added files: gcc/testsuite/gcc.c-torture/execute: 20050826-1.c Log message: PR rtl-optimization/23561 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless at most LEN bytes long memory fits into the field. (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr, expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp, expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers. * gcc.c-torture/execute/20050826-1.c: New test. Patches: http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=2.7592.2.393&r2=2.7592.2.394 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/builtins.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.426.2.3&r2=1.426.2.4 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.5084.2.353&r2=1.5084.2.354 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/execute/20050826-1.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=NONE&r2=1.1.2.1 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23561