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RE: PATCH: Move operand/address-size override prefixes before SIMD prefix

From: malc <av1474 at comtv dot ru>
To: Dave Korn <dave dot korn at artimi dot com>
Cc: "'Menezes, Evandro'" <evandro dot menezes at amd dot com>, 'Jan Beulich' <jbeulich at novell dot com>, "'H. J. Lu'" <hjl at lucon dot org>, binutils at sourceware dot org
Date: Thu, 7 Dec 2006 15:34:22 +0300 (MSK)
Subject: RE: PATCH: Move operand/address-size override prefixes before SIMD prefix
References: <00f301c719fa$2d30a6b0$a501a8c0@CAM.ARTIMI.COM>

On Thu, 7 Dec 2006, Dave Korn wrote:

On 07 December 2006 11:50, malc wrote:

So your position is that it's #UD. Objdump disagrees with you, whether
rightfully or not is an open question (or original question if you will)

 Well, can't you just try single-stepping over one in the debugger and see if
it executes something or blows up with an illegal instruction trap?


I can. This will proove exactly nothing though. I want an official
position of Intel and AMD, even if the position is that the behaviour
is unspecified that will suit me just fine.

--
vale

Follow-Ups:
- RE: PATCH: Move operand/address-size override prefixes before SIMD prefix
  - From: Jan Beulich
- RE: PATCH: Move operand/address-size override prefixes before SIMD prefix
  - From: Menezes, Evandro
- RE: PATCH: Move operand/address-size override prefixes before SIMD prefix
  - From: Dave Korn

References:
- RE: PATCH: Move operand/address-size override prefixes before SIMD prefix
  - From: Dave Korn

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