From owner-freebsd-questions@FreeBSD.ORG Wed Nov 5 14:37:40 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 42BB8106567B for ; Wed, 5 Nov 2008 14:37:40 +0000 (UTC) (envelope-from mail@ozzmosis.com) Received: from smtp.mel.people.net.au (smtp.mel.people.net.au [218.214.17.98]) by mx1.freebsd.org (Postfix) with SMTP id 7A6628FC0A for ; Wed, 5 Nov 2008 14:37:39 +0000 (UTC) (envelope-from mail@ozzmosis.com) Received: (qmail 27922 invoked from network); 5 Nov 2008 14:37:36 -0000 Received: from unknown (HELO blizzard.dnsalias.org) (218.215.136.88) by smtp.mel.people.net.au with SMTP; 5 Nov 2008 14:37:36 -0000 Received: by blizzard.dnsalias.org (Postfix, from userid 1001) id 4DF971704A; Thu, 6 Nov 2008 01:37:36 +1100 (EST) Date: Thu, 6 Nov 2008 01:37:36 +1100 From: andrew clarke To: Robin Becker Message-ID: <20081105143736.GA2880@ozzmosis.com> References: <49119963.5070104@chamonix.reportlab.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <49119963.5070104@chamonix.reportlab.co.uk> User-Agent: Mutt/1.5.18 (2008-05-17) Cc: freebsd-questions@freebsd.org Subject: Re: gcc 3.4.4 -fno-gcse X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 05 Nov 2008 14:37:40 -0000 On Wed 2008-11-05 13:02:27 UTC+0000, Robin Becker (robin@reportlab.com) wrote: > I'm trying to do some benchmarks for a new/improved version of CPython > and would like to know if gcc 3.4.4 as distributed with FreeBSD 6.1 > handles the -fno-gcse option reasonably. I looked in the man page, but > don't see that option explicitly so perhaps the main thrust of the > optimisation approach is going wrong. I don't know about FreeBSD 6.1's gcc 3.4.4, but the info page for gcc 3.4.6 (supplied with FreeBSD 6.3) explicitly mentions -fno-gcse. It's under the section "3.10 Options That Control Optimization". $ info gcc option will also find it. Not sure if that helps you at all.