[libre-riscv-dev] [Bug 81] New: implement 6600-style "precise" out-of-order scoreboard

[bugzilla-daemon at libre-riscv.org]

http://bugs.libre-riscv.org/show_bug.cgi?id=81

            Bug ID: 81
           Summary: implement 6600-style "precise" out-of-order scoreboard
           Product: Libre Shakti M-Class
           Version: unspecified
          Hardware: PC
                OS: Linux
            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: ---

first phase:

* research and documentation
* preliminary implementation (including minor unit tests)
* evaluation and addition of ALUs
* comprehensive unit test suite
* formal verification

second phase:

* addition of FP ALUs
* addition of LD/ST Matrix
* addition of branch prediction
* addition of exceptions / interrupts

(sub-phases for each: unit tests, formal verification)

third phase:

* addition of precise "nameless" Q-Table history
* addition of "hierarchical cascade" (64/32/16/8-bit) hazards
* addition of SIMD ALUs

(sub-phases for each: unit tests, formal verification)

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