From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1DZ4Kz-0000vN-6U for qemu-devel@nongnu.org; Fri, 20 May 2005 06:02:37 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1DZ4Kv-0000uo-W6 for qemu-devel@nongnu.org; Fri, 20 May 2005 06:02:34 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DZ4Kv-0000sW-7F for qemu-devel@nongnu.org; Fri, 20 May 2005 06:02:33 -0400 Received: from [64.233.184.195] (helo=wproxy.gmail.com) by monty-python.gnu.org with esmtp (Exim 4.34) id 1DZ4Qn-0004Nc-93 for qemu-devel@nongnu.org; Fri, 20 May 2005 06:08:39 -0400 Received: by wproxy.gmail.com with SMTP id 71so1223067wra for ; Fri, 20 May 2005 02:59:49 -0700 (PDT) Message-ID: Date: Fri, 20 May 2005 11:59:49 +0200 From: Thomas Steffen Subject: Re: [Qemu-devel] [patch] gcc4 host support In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <200505191644.54916.paul@codesourcery.com> <200505191952.48028.paul@codesourcery.com> Reply-To: Thomas Steffen , qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: jhoger@pobox.com Cc: qemu-devel@nongnu.org On 5/20/05, John Hogerhuis wrote: > But once you are past that point gcc for a given arch, gcc isn't > really going to help you any more. So bring on the hand > coding/optimizations.=20 And for popular combinations of architectures, such as x86 or PPC on each other, I absolute agree. As in any other routine, you can probably squeeze out a few cycles if you try hard enough. > And that's because you can always make > use of what gcc did if you can't think of anything better. So the magic stays with us :-). You need some more complexity in the build process, but I agree that it is a logical improvement. Thomas