From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 31241 invoked by alias); 15 Oct 2002 22:16:47 -0000 Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org Received: (qmail 31229 invoked from network); 15 Oct 2002 22:16:46 -0000 Received: from unknown (HELO mx2.redhat.com) (12.150.115.133) by sources.redhat.com with SMTP; 15 Oct 2002 22:16:46 -0000 Received: from int-mx2.corp.redhat.com (int-mx2.corp.redhat.com [172.16.27.26]) by mx2.redhat.com (8.11.6/8.11.6) with ESMTP id g9FMG5s15594; Tue, 15 Oct 2002 18:16:05 -0400 Received: from potter.sfbay.redhat.com (potter.sfbay.redhat.com [172.16.27.15]) by int-mx2.corp.redhat.com (8.11.6/8.11.6) with ESMTP id g9FMGjl10918; Tue, 15 Oct 2002 18:16:45 -0400 Received: from localhost.localdomain (frothingslosh.sfbay.redhat.com [172.16.24.27]) by potter.sfbay.redhat.com (8.11.6/8.11.6) with ESMTP id g9FMGjD14393; Tue, 15 Oct 2002 15:16:45 -0700 Received: (from rth@localhost) by localhost.localdomain (8.11.6/8.11.6) id g9FMGhs25469; Tue, 15 Oct 2002 15:16:43 -0700 X-Authentication-Warning: localhost.localdomain: rth set sender to rth@redhat.com using -f Date: Tue, 15 Oct 2002 15:59:00 -0000 From: Richard Henderson To: "Eric W. Biederman" Cc: gcc@gcc.gnu.org Subject: Re: streams is slow under gcc Message-ID: <20021015221643.GG25225@redhat.com> Mail-Followup-To: Richard Henderson , "Eric W. Biederman" , gcc@gcc.gnu.org References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4i X-SW-Source: 2002-10/txt/msg00883.txt.bz2 On Sat, Oct 12, 2002 at 11:41:51AM -0600, Eric W. Biederman wrote: > I there a gcc option other than -msse2 that I could use to tell it a > loop is memory bound, and so apply appropriate optimizations? -fprefetch-loop-arrays; YMMV. r~