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RE: PATCH: Move operand/address-size override prefixes before SIMD prefix
- From: "Menezes, Evandro" <evandro dot menezes at amd dot com>
- To: "malc" <av1474 at comtv dot ru>
- Cc: "Jan Beulich" <jbeulich at novell dot com>, "H. J. Lu" <hjl at lucon dot org>, binutils at sourceware dot org
- Date: Wed, 6 Dec 2006 17:34:23 -0600
- Subject: RE: PATCH: Move operand/address-size override prefixes before SIMD prefix
> Perhaps you could also comment on this:
> http://sourceware.org/ml/binutils/2006-11/msg00124.html
IIUC, that's not the same thing, for 0x0f is not a prefix, but part of the opcode and the prefixes (0xf3 0x66) must come before the opcode (0x0f 0x11). See chapter 1 of http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/24594.pdf.
HTH
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Evandro Menezes AMD Austin, TX