Files
FEX-Emu--FEX/External/FEXCore/Source
Ryan Houdek 540feb857b OpcodeDispatcher: Fixes CMPXCHG8B/16B with 66h/72h/73h prefix
The documentation is incorrect about this instruction. It claims that
you use 66h prefix to choose between operating at 8B or 16B.
This is incorrect, real hardware only responds to REX.W for choosing the
operating size. These other prefixes are ignored but is still accepted as
an instruction decoding.
2022-03-06 03:54:45 -08:00
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