[Libre-soc-isa] [Bug 962] New: design integer-versions of fft/dct "butterfly" instructions

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Sat Oct 22 10:24:48 BST 2022


            Bug ID: 962
           Summary: design integer-versions of fft/dct "butterfly"
           Product: Libre-SOC's first SoC
           Version: unspecified
          Hardware: PC
                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: ---

from the bug #137 video codecs it was clear that many implementations
of DCT/FFT are integer-based.  therefore integer butterfly instructions.
ARM already has them

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