[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 #50 from Michael Nolan <mtnolan2640 at gmail.com> ---
I tried using the rotator.py taken from microwatt, and it seems it doesn't
work. After fixing some syntax errors, I set the inputs up for a left shift,
and it did not output what I expected. I spent around 45 minutes setting up a
testbench for microwatt's rotator.vhdl, and it behaves correctly for the same
inputs.

Considering that I have already written a working shifter, is it worthwhile
trying to get this one to work?

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