Mailing-List: contact cygwin-developers-help AT cygwin DOT com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-developers-owner AT cygwin DOT com Delivered-To: mailing list cygwin-developers AT cygwin DOT com Date: Sat, 25 Jan 2003 11:04:05 -0500 From: Christopher Faylor To: cygwin-developers AT cygwin DOT com Subject: Re: i386 and InterlockedIncrement inline asm Message-ID: <20030125160405.GA20301@redhat.com> Reply-To: cygwin-developers AT cygwin DOT com Mail-Followup-To: cygwin-developers AT cygwin DOT com References: <20030124214426 DOT 68083 DOT qmail AT web21414 DOT mail DOT yahoo DOT com> <20030124231438 DOT GL8500 AT redhat DOT com> <3E329A81 DOT 3040603 AT netscape DOT net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3E329A81.3040603@netscape.net> User-Agent: Mutt/1.5.1i On Sat, Jan 25, 2003 at 09:09:05AM -0500, Nicholas Wourms wrote: >Since we're on the subject, Chuck and I were discussing the floating >point routines in newlib a few months back. FWICT, we are currently >using Software FPU emulation. The reason we were discussing this was >because we had noted how poorly sh performs when it does FP division >(used by libtool when calculating the max number of arguments that can >be passed to the command line). NT seems to have a much better handle >on this than does Win9X/ME, but it is still slower then true HW FPU. >If we do decide to start cutting out earlier platforms, how about >enabling Hardware FPU? Surely this would provide a performance boost? I played around with turning on hardware floating point a while ago and never got the incantation right. If someone knows how to do this, I'm interested in hearing about it. cgf