From owner-freebsd-hackers Sat Feb 7 21:17:44 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id VAA29552 for hackers-outgoing; Sat, 7 Feb 1998 21:17:44 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from ns.mt.sri.com (sri-gw.MT.net [206.127.105.141]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id VAA29546 for ; Sat, 7 Feb 1998 21:17:41 -0800 (PST) (envelope-from nate@mt.sri.com) Received: from mt.sri.com (rocky.mt.sri.com [206.127.76.100]) by ns.mt.sri.com (8.8.8/8.8.8) with SMTP id WAA03524; Sat, 7 Feb 1998 22:17:35 -0700 (MST) (envelope-from nate@rocky.mt.sri.com) Received: by mt.sri.com (SMI-8.6/SMI-SVR4) id WAA17659; Sat, 7 Feb 1998 22:17:33 -0700 Date: Sat, 7 Feb 1998 22:17:33 -0700 Message-Id: <199802080517.WAA17659@mt.sri.com> From: Nate Williams MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit To: Damon Permezel Cc: hackers@FreeBSD.ORG Subject: Re: MMX, pentium, etc In-Reply-To: <199802080503.XAA10438@damon.com> References: <199802080503.XAA10438@damon.com> X-Mailer: VM 6.29 under 19.15 XEmacs Lucid Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > I have a Java app which uses some intensive FP, for which I have > written native (aka: C) routines to accelerate. > > I am getting to the point where I am once again tapped out, so I want > to explore hand coded MMX instructions in my (unrolled, hand optimized) > inner loops. Umm, if you're using the FPU, then MMX would be a lose if you mix FPU and MMX instructions. Better to stick with just FPU instructions. > I've seen discussions on MMX here, and on pgcc. I went to build the pgcc > port once, and was informed that it was broken. Try the egcs port, which has become what pgcc intended to be. Nate To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe hackers" in the body of the message