[libre-riscv-dev] [Bug 173] dynamic partitioned "shift"

[bugzilla-daemon at libre-riscv.org]

http://bugs.libre-riscv.org/show_bug.cgi?id=173

--- Comment #10 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
yeh i ran "proc" then "opt" followed by "show top" and woooo did it take
a looong time, the mux-cascades are absolutely frickin enormous.  one
of them must be 64 bits in length, which we can't possibly go live with,
the latency will be insane.

> it seems to be selecting the row corresponding to the last set bit of
> the gates.

that sounds about right, intuitively.

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