From: "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH -tip 3/6 V4.1] x86: instruction decorder API
Date: Thu, 16 Apr 2009 17:08:30 -0700
Message-ID: <49E7C87E.8000202@zytor.com>
References: <49D4F4E6.6060401@redhat.com> <49D69BCA.8060506@redhat.com>	 <49D69F39.4010101@zytor.com>  <49D6ABD1.7040704@redhat.com>	 <1239058135.5212.43.camel@localhost.localdomain>	 <49DA8857.8030607@zytor.com>  <49E7BFDC.8040305@redhat.com> <1239926776.5883.17.camel@dyn9047018094.beaverton.ibm.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: Masami Hiramatsu <mhiramat@redhat.com>, Ingo Molnar <mingo@elte.hu>,         Ananth N Mavinakayanahalli <ananth@in.ibm.com>,         Andi Kleen <andi@firstfloor.org>, kvm@vger.kernel.org,         Steven Rostedt <rostedt@goodmis.org>,         Frederic Weisbecker <fweisbec@gmail.com>,         Andrew Morton <akpm@linux-foundation.org>,         Arnaldo Carvalho de Melo <acme@redhat.com>,         systemtap-ml <systemtap@sources.redhat.com>,         LKML <linux-kernel@vger.kernel.org>,         Vegard Nossum <vegard.nossum@gmail.com>, Avi Kivity <avi@redhat.com>,         Roland McGrath <roland@redhat.com>
To: Jim Keniston <jkenisto@us.ibm.com>
Return-path: <systemtap-return-12050-gls-systemtap=m.gmane.org@sourceware.org>
In-Reply-To: <1239926776.5883.17.camel@dyn9047018094.beaverton.ibm.com>
List-Unsubscribe: <mailto:systemtap-unsubscribe-gls-systemtap=m.gmane.org@sourceware.org>
List-Subscribe: <mailto:systemtap-subscribe@sourceware.org>
List-Post: <mailto:systemtap@sourceware.org>
List-Help: <mailto:systemtap-help@sourceware.org>, <http://sourceware.org/lists.html#faqs>
Sender: systemtap-owner@sourceware.org
List-Id: kvm.vger.kernel.org

Jim Keniston wrote:
> 
> It looks like AT2(Ev,Gv) would yield the same bits as AT2(Gv,Ev).  It'd
> be nice not to lose the operand-order information.  And we'd have to
> make clear whether which notation we're using -- src,dest as in the gnu
> assembler, or dest,src as in the AMD (and Intel?) manuals.
> 

Since the information would come from the manuals, I would recommend 
following them (dst first.)

	-hpa