[libre-riscv-dev] [Bug 356] New: fu POWER9 pipeline unit tests need to test RA=0

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Thu May 28 11:43:29 BST 2020


            Bug ID: 356
           Summary: fu POWER9 pipeline unit tests need to test RA=0
           Product: Libre-SOC's first SoC
           Version: unspecified
          Hardware: PC
                OS: Mac OS
            Status: CONFIRMED
          Severity: enhancement
          Priority: ---
         Component: Source Code
          Assignee: lkcl at lkcl.net
          Reporter: lkcl at lkcl.net
                CC: libre-riscv-dev at lists.libre-riscv.org
   NLnet milestone: ---

some of the instructions act differently when RA=0 (this means pass in a
zero-immediate to RA rather than the contents of register 0).  tests
for both zero-immediate-A and also for actually ensuring that RA=0 reads
register 0 are needed.

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