From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48192) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aLBWU-0006it-7k for qemu-devel@nongnu.org; Mon, 18 Jan 2016 10:15:14 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aLBWR-0001BK-Ez for qemu-devel@nongnu.org; Mon, 18 Jan 2016 10:15:14 -0500 Received: from mail-wm0-x234.google.com ([2a00:1450:400c:c09::234]:33207) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aLBWR-0001B4-7h for qemu-devel@nongnu.org; Mon, 18 Jan 2016 10:15:11 -0500 Received: by mail-wm0-x234.google.com with SMTP id 123so56338952wmz.0 for ; Mon, 18 Jan 2016 07:15:11 -0800 (PST) Sender: Paolo Bonzini References: <569CBCB1.5040004@redhat.com> <569CC526.4060607@redhat.com> From: Paolo Bonzini Message-ID: <569D017C.70000@redhat.com> Date: Mon, 18 Jan 2016 16:15:08 +0100 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] defining VIXL_DEBUG? List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Maydell Cc: qemu-devel On 18/01/2016 12:04, Peter Maydell wrote: >> > >> > where the '1x' encodings of bits 22:23 (marked as reserved in the ARMv8 >> > ARM) would cause an abort as far as I can see. > Isn't this handled by Decoder::DecodeAddSubImmediate(), which checks > bit 23? Yes, that's right. Paolo > In any case if we're worried it would be easy to set up a trivial > test loop that just feeds all 2^32 integers to the disassembler.