[Libre-soc-bugs] [Bug 784] New: Implement cl* instructions for carry-less operations

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=784

            Bug ID: 784
           Summary: Implement cl* instructions for carry-less operations
           Product: Libre-SOC's second ASIC
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: CONFIRMED
          Severity: enhancement
          Priority: ---
         Component: source code
          Assignee: programmerjake at gmail.com
          Reporter: programmerjake at gmail.com
                CC: libre-soc-bugs at lists.libre-soc.org,
                    programmerjake at gmail.com
            Blocks: 782
   NLnet milestone: ---

Instructions:
* clmul, clmulh, clmulr
* cldiv, clrem (maybe) -- decide what divide by zero does
* clmadd (maybe)
* cltmadd twin for fft (maybe)

Steps (edit as needed):
* TODO: Instruction Encodings
* basic adaptable modules (probably in nmutil)
  * TODO: module in nmutil
  * TODO: unit test
  * TODO: formal
* TODO: add encoding of cl* to SVP64Asm class (as a 32bit op)
* TODO: add cl* to TBD pipe(s)
* TODO: fu unit tests
* TODO: fu formal


Referenced Bugs:

https://bugs.libre-soc.org/show_bug.cgi?id=782
[Bug 782] add galois field bitmanip instructions
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