[libre-riscv-dev] [Bug 305] Create Pipelined ALU similar to alu_hier.py

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=305

--- Comment #66 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Michael Nolan from comment #65)

> That makes a little more sense. Though if they're going to the trouble of
> making subf the way it is, you'd think they'd make this the same way. 
> 
> Oh well

sigh :)

i added popcount (because).  it looks like it works except test_cmpb is
not working (which stops the simulation early), and if i comment it out,
the simulation popcount returns an integer, not a SelectableInt, so goes
skew-y.  could you take a look?

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