[llvm-dev] [FPEnv] FNEG instruction

[Cameron McInally via llvm-dev]

On Thu, Aug 30, 2018 at 11:14 AM, Tim Northover <t.p.northover at gmail.com>
wrote:

> ...
> I don't think it matters for the question at hand, but I tested
> AArch64 too and it exhibits the behaviour you were describing. That
> is, we'd have problems if an fsub -0.0 was actually CodeGened like
> that (it's not, of course).


Great data point. So it's not just a theoretical problem. Thanks, Tim!
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