From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1HSGrg-000440-Qj for qemu-devel@nongnu.org; Fri, 16 Mar 2007 14:09:21 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1HSGrf-00043c-GT for qemu-devel@nongnu.org; Fri, 16 Mar 2007 14:09:20 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HSGrf-00043Z-B9 for qemu-devel@nongnu.org; Fri, 16 Mar 2007 13:09:19 -0500 Received: from static-71-162-243-5.phlapa.fios.verizon.net ([71.162.243.5] helo=grelber.thyrsus.com) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1HSGqW-0004Br-AH for qemu-devel@nongnu.org; Fri, 16 Mar 2007 14:08:08 -0400 From: Rob Landley Subject: Re: [Qemu-devel] SSE 'maxps' instruction bug? Date: Fri, 16 Mar 2007 14:07:48 -0400 References: <200703121450.41180.jseward@acm.org> <41decffa258b38db92ab799d6c2990bc@io.com> <200703140221.22432.jseward@acm.org> In-Reply-To: <200703140221.22432.jseward@acm.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200703161407.50228.rob@landley.net> Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Tim Olson On Tuesday 13 March 2007 10:21 pm, Julian Seward wrote: > > > 0.9.0, or that the compiler/host combination used to build the qemu > > binary Julian is running generated bad code for the float compares. > > I used gcc 3.4.6 bootstrapped as normal ('make bootstrap; make install') > on a 64-bit machine. If it is qemu generating bad code due to variations > in gcc behaviour, that's another argument in favour of scrapping the gcc > 3.X based backend and using a self contained, handwritten insn selector > and register allocator. Are you referring to https://nowt.dyndns.org/ or something else? Rob -- Vista: Windows Millenium Second Edition