From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57375) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VwZAr-0004Gr-J0 for qemu-devel@nongnu.org; Fri, 27 Dec 2013 10:18:13 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VwZAi-0005Ji-U7 for qemu-devel@nongnu.org; Fri, 27 Dec 2013 10:18:05 -0500 Received: from mail-pd0-x234.google.com ([2607:f8b0:400e:c02::234]:45469) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VwZAi-0005Je-M1 for qemu-devel@nongnu.org; Fri, 27 Dec 2013 10:17:56 -0500 Received: by mail-pd0-f180.google.com with SMTP id q10so9184556pdj.11 for ; Fri, 27 Dec 2013 07:17:55 -0800 (PST) Sender: Richard Henderson Message-ID: <52BD9A1F.4070406@twiddle.net> Date: Fri, 27 Dec 2013 07:17:51 -0800 From: Richard Henderson MIME-Version: 1.0 References: <1385694047-6116-1-git-send-email-rth@twiddle.net> <1385694047-6116-57-git-send-email-rth@twiddle.net> <52BC7F3E.9060303@twiddle.net> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v2 56/60] target-i386: Tidy gen_add_A0_im List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Maydell Cc: QEMU Developers On 12/26/2013 02:34 PM, Peter Maydell wrote: > Looking a bit more closely, is it even possible for code64 to be > 1 if we're in real or vm86 mode? If not, then the behaviour here > is unchanged (ie still always zero extends). No, real or vm86 mode implies 16-bit. r~