[Libre-soc-isa] [Bug 650] write rfc for OpenPower fpr <-> gpr moves/conversions

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=650

--- Comment #19 from Jacob Lifshay <programmerjake at gmail.com> ---
note, for FP -> Int, IEEE 754 only specifies the result for finite inputs that
round to an integer in-range for the result integer type. The results for
NaN/Infinite/out-of-range inputs is unspecified.

C/C++ specifies NaN/Infinite/out-of-range FP -> Int is Undefined Behavior.

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