[Libre-soc-bugs] [Bug 1134] New: implement fminmax in ieee754fpu

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=1134

            Bug ID: 1134
           Summary: implement fminmax in ieee754fpu
           Product: Libre-SOC's first SoC
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: CONFIRMED
          Severity: enhancement
          Priority: ---
         Component: ALU (including IEEE754 16/32/64-bit FPU)
          Assignee: programmerjake at gmail.com
          Reporter: programmerjake at gmail.com
                CC: libre-soc-bugs at lists.libre-soc.org,
                    programmerjake at gmail.com
   NLnet milestone: ---

3 stages to be assembled into a 1-stage pipeline:

1. input unpacking & adjust for magnitude comparison (mostly abs)
    not using existing unpack stage since that computes unbiased exponent
    which is unnecessary and undesired.
2. compare inputs and nan-detection
3. mux output with optional nan-quieting

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