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X86-64 Instruction Encoding: Difference between revisions
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A VEX instruction whose values for certain fields are VEX.~X == 1, VEX.~B == 1, VEX.W/E == 0 and map_select == b00001 may be encoded using the [[#Two_byte_VEX_escape_prefix|two byte VEX escape prefix]].
==== Three byte XOP escape prefix ====
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