[Libre-soc-bugs] [Bug 864] implement parallel prefix reduction in simulator

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=864

--- Comment #6 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jacob Lifshay from comment #4)

> the result not being in a statically predicable location renders predicated
> reduction *all but useless* from a compiler perspective

dynamically predictable.  result will always be in the position
of the very first predicate-bit.
sv.mv with source set to scalar and mask set to the same predicate
gets that, predictably.

please drop the need to insist that moves are necessary.  7th time of
repeating this.

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