From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10949 invoked by alias); 13 Sep 2005 00:13:27 -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 10935 invoked by uid 48); 13 Sep 2005 00:13:21 -0000 Date: Tue, 13 Sep 2005 00:13:00 -0000 Message-ID: <20050913001321.10934.qmail@sourceware.org> From: "tprince at computer dot org" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20050913000610.23845.tprince@computer.org> References: <20050913000610.23845.tprince@computer.org> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug middle-end/23845] missed strength reduction costs performance X-Bugzilla-Reason: CC X-SW-Source: 2005-09/txt/msg01539.txt.bz2 List-Id: ------- Additional Comments From tprince at computer dot org 2005-09-13 00:13 ------- Created an attachment (id=9714) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=9714&action=view) alternate version of libgfortran/generated/matmul_r8.c The C file in the attachment performs well on ia32. The patch in the .diff file must be applied to work around the missing strength reduction, in order to perform adequately on ia64. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23845