[Libre-soc-bugs] [Bug 653] investigate FFT, DCT, etc for REMAP in SVP64

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Sat Jul 24 08:38:30 BST 2021


--- Comment #18 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Luke Kenneth Casson Leighton from comment #17)
> https://git.libre-soc.org/?p=openpower-isa.git;a=blob;f=src/openpower/
> decoder/isa/remap_dct_yield.py;hb=HEAD
> done, got rid of the in-place swap, can now be done with a first
> outer butterfly and an inner one, each with their own SVP64 remap
> and a single instruction.

combined them both into another unit test, show the inner and outer
butterfly back-to-back

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