X86-64 Instruction Encoding: Difference between revisions

X86-64 Instruction Encoding (view source)

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Revision as of 12:43, 6 August 2021 (view source) osdev>Unprotectedmode (→‎Encoding) ← Older edit		Latest revision as of 16:19, 25 June 2024 (view source) Lukflug (talk \| contribs) m (1 revision imported: import new edits from osdev.org wiki)
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Line 79: == Legacy Prefixes == Each instruction can have up to four prefixes. Sometimes a prefix is required for the instruction while it loses ~~it's~~its original meaning (i.e. a 'mandatory prefix'). The following prefixes can be used, the order does not matter: * Prefix group 1 ** 0xF0: LOCK prefix Line 736: [[Category:X86 CPU]] [[Category:X86-64]]