[Libre-soc-bugs] [Bug 713] PartitionedSignal enhancement to add partition-context-aware lengths

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=713

--- Comment #19 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---

> Signed/Unsigned is needed because we need to support signed/unsigned
> multiply, signed/unsigned compare, signed/unsigned divide (as a SIMD ALU,
> not as a PartitionedSignal op), signed/unsigned right shift, etc.

yes.  and this is already done.  but NOT on a per lane basis.  on a GLOBAL
basis.

therefore sign should not even be part of SimdKind because it is part
of the PartitionedSignal.

please can you simply write those two simple functions which i have asked four
times now and it will become clear when they are integrated into
PartitionedSignal and PartitionPoints.

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