[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 #41 from Cesar Strauss <cestrauss at gmail.com> ---
I updated the unit test to deal with rdmaskn.

For how long rdmaskn must be held valid? If I assert it for only one cycle,
together with issue_i, it doesn't work. rel still rises on the next cycle.

Shouldn't it be latched, as with zero_a and imm_ok?

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