[llvm-dev] EuroLLVM Numerics issues

Matt Arsenault via llvm-dev llvm-dev at lists.llvm.org
Mon Apr 1 08:52:06 PDT 2019



> On Apr 1, 2019, at 11:30 AM, Cameron McInally via llvm-dev <llvm-dev at lists.llvm.org> wrote:
> 
> What did you have in mind? I was not aware that there is work pending.
> 

As far as I know, fneg isn’t constant folded. The tests haven’t been migrated, and clang is still emitting fsub -0.0, x. I’m not sure what the state of the rest of the optimizations is, but I just remember the initial instruction getting added.

-Matt
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