From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21836 invoked by alias); 10 Feb 2004 18:08:29 -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 21813 invoked by alias); 10 Feb 2004 18:08:26 -0000 Date: Tue, 10 Feb 2004 18:08:00 -0000 Message-ID: <20040210180826.21812.qmail@sources.redhat.com> From: "cvs-commit at gcc dot gnu dot org" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20031218033126.13424.danglin@gcc.gnu.org> References: <20031218033126.13424.danglin@gcc.gnu.org> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug optimization/13424] [3.4 Regression] gcc.dg/20031202-1.c is miscompiled X-Bugzilla-Reason: CC X-SW-Source: 2004-02/txt/msg01143.txt.bz2 List-Id: ------- Additional Comments From cvs-commit at gcc dot gnu dot org 2004-02-10 18:08 ------- Subject: Bug 13424 CVSROOT: /cvs/gcc Module name: gcc Branch: gcc-3_4-branch Changes by: jakub@gcc.gnu.org 2004-02-10 18:07:58 Modified files: gcc : ChangeLog expr.c emit-rtl.c gcc/config/i386: i386.c i386.md i386-protos.h Log message: PR optimization/13424 Backport from mainline: 2004-01-29 Jakub Jelinek * emit-rtl.c (change_address): Use XEXP (memref, 0) instead of addr when creating MEM copy. 2004-01-28 Jakub Jelinek * expr.c (store_constructor): Revert 2003-12-03 change. * emit-rtl.c (change_address): Check also if MEM_ATTRS is set as expected before returning early. Avoid sharing RTL if they need to be changed. * config/i386/i386.c (ix86_expand_movstr): Rework rep_mov and strmov handling so that memory attributes are preserved. Don't call ix86_set_move_mem_attrs. (ix86_set_move_mem_attrs_1, ix86_set_move_mem_attrs): Removed. (ix86_expand_clrstr): Rename src argument to dst. Rework rep_stos and strset handling so that memory attributes are preserved. (ix86_expand_strlen): Pass src argument to ix86_expand_strlensi_unroll_1. Rework strlenqi_1 handling so that memory attributes are preserved. (ix86_expand_strlensi_unroll_1): Add src argument. Use change_address instead of gen_rtx_MEM. * config/i386/i386.md (strmov, strmov_singleop, rep_mov): New expanders. (strmovdi_rex64, strmovsi, strmovsi_rex64, strmovhi, strmovhi_rex64, strmovqi, strmovqi_rex64): Remove. (rep_mov*, strmov*): Prefix insn names with *. (strset, strset_singleop, rep_stos): New expanders. (strsetdi_rex64, strsetsi, strsetsi_rex64, strsethi, strsethi_rex64, strsetqi, strsetqi_rex64): Remove. (rep_stos*, strset*): Prefix insn names with *. (rep_stosqi_rex64): Likewise. Fix mode of dirflag reg from DImode to SImode. (cmpstrsi): Rework cmpstrqi_1 handling so that memory attributes are preserved. (cmpstrqi_nz_1, cmpstrqi_nz_rex_1, cmpstrqi_1, cmpstrqi_rex_1): Prefix insn names with *. (cmpstrqi_nz_1, cmpstrqi_1): New expanders. (strlenqi_1, strlenqi_rex_1): Prefix insn names with *. (strlenqi_1): New expander. * config/i386/i386.h (ix86_set_move_mem_attrs): Remove prototype. 2004-01-24 Jan Hubicka * emit-rtl.c (change_address, adjust_address_1, offset_address, widen_memory_access): Return early when there is nothing to change. Patches: http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=2.2326.2.174&r2=2.2326.2.175 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/expr.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.615.4.2&r2=1.615.4.3 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/emit-rtl.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.365.4.1&r2=1.365.4.2 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.635.2.3&r2=1.635.2.4 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386.md.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.502&r2=1.502.2.1 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386-protos.h.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.104.4.1&r2=1.104.4.2 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13424