X86-64 Instruction Encoding: Difference between revisions

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==== Three byte XOP escape prefix ====
==== Three byte XOP escape prefix ====
The layout is the same as the [[three-byte VEX escape prefix]], but with initial byte value 0x8F:
The layout is the same as the [[#Three_byte_VEX_escape_prefix|three-byte VEX escape prefix]], but with initial byte value 0x8F:
<pre>
<pre>
7 0 7 0 7 0
7 0 7 0 7 0