[libre-riscv-dev] [Bug 74] preliminary exploratory software emulation of FP SQRT

bugzilla-daemon at libre-riscv.org bugzilla-daemon at libre-riscv.org
Tue Apr 30 17:24:40 BST 2019


--- Comment #38 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Aleksandar Kostovic from comment #37)
> Created the normalise func(without special cases for NaN and inf)
> Actually the more i look at it, it isnt clear to me how to create the
> special cases for NaN and inf

Theyre a separate function anyway.
Earlier in process, way earlier than

Lets start with the c code,
Convert to python.
Can you add separate fn taking
block of code from softfloat link
Commit as-is first then try doing
straight conversion.
check jondawson verilog code
for notes on what INF means,
what NAN.
Piece together. will help tomorrow.

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