From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8666 invoked by alias); 14 Mar 2005 18:24:28 -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 8623 invoked by alias); 14 Mar 2005 18:24:24 -0000 Date: Mon, 14 Mar 2005 18:24:00 -0000 Message-ID: <20050314182424.8622.qmail@sourceware.org> From: "cvs-commit at gcc dot gnu dot org" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20040830055039.17236.dann@godzilla.ics.uci.edu> References: <20040830055039.17236.dann@godzilla.ics.uci.edu> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug rtl-optimization/17236] inefficient code for long long multiply on x86 X-Bugzilla-Reason: CC X-SW-Source: 2005-03/txt/msg01741.txt.bz2 List-Id: ------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-03-14 18:24 ------- Subject: Bug 17236 CVSROOT: /cvs/gcc Module name: gcc Changes by: sayle@gcc.gnu.org 2005-03-14 18:24:15 Modified files: gcc : ChangeLog optabs.c Log message: PR rtl-optimization/17236 * optabs.c (expand_doubleword_mult): New helper function split out from expand_binop. Permute the order in which instructions are emitted to minimize the number of simultaneously live registers. (expand_binop): Call expand_doubleword_mult to synthesize a double word multiplication. Patches: http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.7846&r2=2.7847 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/optabs.c.diff?cvsroot=gcc&r1=1.260&r2=1.261 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17236