[libc-commits] [libc] [libc][math][c23] Add exp2m1f16 C23 math function (PR #105690)

[Matt Arsenault via libc-commits]

arsenm wrote:

> > Why are there any volatile accesses? There shouldn't be any z
> 
> Some of them are from https://github.com/llvm/llvm-project/blob/main/libc/src/__support/FPUtil/rounding_mode.h#L67. I'm not sure about the others.
> 

These volatiles should be removed. The tests will work just fine without the forced stack access 

https://github.com/llvm/llvm-project/pull/105690