X86-64 Instruction Encoding: Difference between revisions

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| ignored||ignored||yes||1||64-bit||32-bit
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<small id="Table1Note1">1: Certain instructions default to (or are fixed at) 64-bit operands and do not need the REX prefix for this, see [[this table]].</small>
<small id="Table1Note1">1: Certain instructions default to (or are fixed at) 64-bit operands and do not need the REX prefix for this, see [[#Usage|this table]].</small>


==== NASM ====
==== NASM ====