Displaying 1 result from an estimated 1 matches for "977ffed9".
2018 Aug 29
2
[FPEnv] FNEG instruction
> On Aug 29, 2018, at 1:22 PM, Cameron McInally via llvm-dev <llvm-dev at lists.llvm.org> wrote:
>
> FSUB(-0.0, NaN) = NaN
> FSUB(-0.0, -NaN) = NaN
Some specific architecture may define this, or APFloat might, but IEEE 754 does not interpret the sign of NaN except in four operations (copy, abs, negate, copysign), so it doesn’t say anything about these.
– Steve
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