Mohammed Gamal wrote:

SrcAcc would remove the need for this change.


Stupid question: What does Acc stand for? :)

Accumulator (al/ax/eax/rax). In the good old days cpus would have only one register that was able to fully participate in arithmetic operations, typically called A for Accumulator. The x86 retains this tradition by having special, shorter encodings for the A register (like the cmp opcode), and even some instructions that only operate on A (like mul).

SrcAcc and DstAcc would accommodate these instructions by decoding A into the corresponding 'struct operand'.

--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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