[Libre-soc-bugs] [Bug 1175] New: implement mcrxrx in ISACaller

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=1175

            Bug ID: 1175
           Summary: implement mcrxrx in ISACaller
           Product: Libre-SOC's first SoC
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: IN_PROGRESS
          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: 1044
   NLnet milestone: ---

while writing the 512x256-bit divmod algorithm for bug #1044, I discovered
mcrxrx wasn't implemented properly, so, since it's pretty simple, I'm just
implementing it and writing a unit test, since I want to use it.

mcrxr is likewise not implemented properly, however it isn't part of PowerISA
v3.1B, that encoding is marked reserved, so I'm just leaving it.


Referenced Bugs:

https://bugs.libre-soc.org/show_bug.cgi?id=1044
[Bug 1044] SVP64 implementation of pow(x,y,z)
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