[libre-riscv-dev] [Bug 336] ALU CompUnit needs to recognise that RA (src1) can be zero

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=336

--- Comment #34 from Cesar Strauss <cestrauss at gmail.com> ---
(In reply to Luke Kenneth Casson Leighton from comment #33)
> right.  so i've pushed another commit which shows where we would expect to
> put the inputs in (constructor).  rather than have them directly as arguments
> to op_sim(), all those arguments - a, b, op, inv_a, imm_ok, zero_a - they
> become the arguments to the constructor.
> 
> also expected_o should be in the constructor as well.

Implemented the issue_i/busy_o protocol check, for the moment.

Will add the above as I need them, incrementally.

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