From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1HVldE-0004Ja-Ik for qemu-devel@nongnu.org; Mon, 26 Mar 2007 05:36:52 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1HVldD-0004Gn-5k for qemu-devel@nongnu.org; Mon, 26 Mar 2007 05:36:51 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HVldD-0004G7-0q for qemu-devel@nongnu.org; Mon, 26 Mar 2007 04:36:51 -0500 Received: from 85-10-211-152.clients.your-server.de ([85.10.211.152] helo=nesselzelle.de) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1HVlax-0008Fx-LG for qemu-devel@nongnu.org; Mon, 26 Mar 2007 05:34:32 -0400 Received: from neuling ([85.10.211.152]:1840) by nesselzelle.de with [XMail 1.22 SSL Ext 0.0.3a ESMTP Server] via protocol=TLSv1/SSLv3, cipher=AES256-SHA(256) id for from ; Mon, 26 Mar 2007 11:35:48 +0200 Date: Mon, 26 Mar 2007 11:34:25 +0200 From: Thomas Orgis Subject: Re: [Qemu-devel] 0.9.0 and svn don't build with -march=pentium2 etc.; was: Latest SVN fails to build on Fedora Core 6 (same with 0.9.0) Message-ID: <20070326113425.31d631fc@neuling> In-Reply-To: <200703241255.16524.jseward@acm.org> References: <20070317143730.1befbf94@neuling> <20070323211124.4d7d7b79@neuling> <46051A67.6060300@gmail.com> <200703241255.16524.jseward@acm.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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 Am Sat, 24 Mar 2007 12:55:16 +0000 schrieb Julian Seward : > The problems of the gcc backend to qemu have already been discussed > extensively on this list. Stealing 3+ registers from gcc on x86 really > is asking for trouble, and I believe it is generally understood that the > best long term solution is to move to a self-contained back end that > does not use gcc for dynamic code generation. An innocent question: Would _not_ stealing 3 registers be a short term option? I am still quite new to qemu (as a user, even) so I don't really know anything about the dynamic code generation and what affects qemu performance anyway. Thomas.