[Libre-soc-isa] [Bug 1206] New: redesign dct and fft integer twin butterfly instructions

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=1206

            Bug ID: 1206
           Summary: redesign dct and fft integer twin butterfly
                    instructions
           Product: Libre-SOC's first SoC
           Version: unspecified
          Hardware: Other
                OS: Linux
            Status: CONFIRMED
          Severity: enhancement
          Priority: ---
         Component: Specification
          Assignee: lkcl at lkcl.net
          Reporter: lkcl at lkcl.net
                CC: libre-soc-isa at lists.libre-soc.org
   NLnet milestone: NLnet.2022-08-107.ongoing
    parent task for 961
 budget allocation:

the integer dct and fft instructions need redesigning and full development
and integration with the FFT and DCT REMAP subsystem. if possible they should
be integrated into the planned 2D DCT/FFT subsystem of bug #963 as well.

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