From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <cgen-return-976-listarch-cgen=sources.redhat.com@sources.redhat.com>
Received: (qmail 9398 invoked by alias); 22 May 2002 18:46:16 -0000
Mailing-List: contact cgen-help@sources.redhat.com; run by ezmlm
Precedence: bulk
List-Subscribe: <mailto:cgen-subscribe@sources.redhat.com>
List-Archive: <http://sources.redhat.com/ml/cgen/>
List-Post: <mailto:cgen@sources.redhat.com>
List-Help: <mailto:cgen-help@sources.redhat.com>, <http://sources.redhat.com/lists.html#faqs>
Sender: cgen-owner@sources.redhat.com
Received: (qmail 9376 invoked from network); 22 May 2002 18:46:11 -0000
Received: from unknown (HELO touchme.toronto.redhat.com) (216.138.202.10)
  by sources.redhat.com with SMTP; 22 May 2002 18:46:11 -0000
Received: from redhat.com (unknown [172.16.14.115])
	by touchme.toronto.redhat.com (Postfix) with ESMTP id E8443B8036
	for <cgen@sources.redhat.com>; Wed, 22 May 2002 14:46:10 -0400 (EDT)
Message-ID: <3CEBE777.705@redhat.com>
Date: Wed, 22 May 2002 11:46:00 -0000
From: Dave Brolley <brolley@redhat.com>
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:0.9.2) Gecko/20010726 Netscape6/6.1
X-Accept-Language: en-us
MIME-Version: 1.0
To: cgen@sources.redhat.com
Subject: Re: [patch][rfa] Decoder bit underflow
References: <3CEBDEF9.70206@redhat.com>
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
X-SW-Source: 2002-q2/txt/msg00009.txt.bz2

Committed -- Approved by fche and bje.

Dave Brolley wrote:

> Hi,
>
> The attached patch addresses a situation which can occur on ports 
> which define insns that are shorter than base-insn-bitsize and are 
> defined with lsb0?==false. When decoding such an insn it is possible 
> for a bit beyond the length of the insn to be considered for decoding. 
> This patch tests for that situation and does not consider the bit in 
> that case.