[libre-riscv-dev] [Bug 114] New: reservation station "feedback" for further processing (FP64)

bugzilla-daemon at libre-riscv.org bugzilla-daemon at libre-riscv.org
Thu Jul 25 15:35:14 BST 2019


            Bug ID: 114
           Summary: reservation station "feedback" for further processing
           Product: Libre Shakti M-Class
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: CONFIRMED
          Severity: enhancement
          Priority: ---
         Component: ALU (including IEEE754 16/32/64-bit FPU)
          Assignee: lkcl at lkcl.net
          Reporter: lkcl at lkcl.net
                CC: libre-riscv-dev at lists.libre-riscv.org
   NLnet milestone: ---

a way to use pipelines to do further work is needed.  using the "ctx.op" field
is probably the best place to hold the context.  it's a variation on "operand
forwarding" combined with "early-in/out" #106

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