Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 18 Jan 2002 11:47:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 18 Jan 2002 11:46:52 -0500 Received: from smtp1.vol.cz ([195.250.128.73]:7179 "EHLO smtp1.vol.cz") by vger.kernel.org with ESMTP id ; Fri, 18 Jan 2002 11:46:39 -0500 Date: Sat, 12 Jan 2002 06:27:36 +0000 From: Pavel Machek To: Alan Cox Cc: Ronald Wahl , linux-kernel@vger.kernel.org Subject: Re: [Q] Looking for an emulation for CMOV* instructions. Message-ID: <20020112062735.D511@toy.ucw.cz> In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0.1i In-Reply-To: ; from alan@lxorguk.ukuu.org.uk on Thu, Jan 10, 2002 at 11:28:48PM +0000 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org HI! > > is it possible to include an emulation for the CMOV* (and possible other > > i686 instructions) for processors that dont have these (k6, pentium > > etc.)? I think this should work like the fpu emulation. Even if its slow > > The kernel isnt there to fix up the fact authors can't read. Its also very > hard to get emulations right. I grant that this wasn't helped by the fact > the gcc x86 folks also couldnt read the pentium pro manual correctly. How long does it take until netscape binaries contain CMOV? We already do FPU emulation (you can do soft-float, so you do NOT need FP emulation!), so I guess this would begood freature. Pavel -- Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt, details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/