[PATCH] D47672: [Headers] Add _Interlocked*_HLEAcquire/_HLERelease

[Ethan via Phabricator via cfe-commits]

ethanhs marked an inline comment as done.
ethanhs added a comment.

In https://reviews.llvm.org/D47672#1123953, @craig.topper wrote:

> We (Intel) have discussed this a little internally. I'll be responding more shortly.


Great!

FWIW, re intrin.h vs immintrin.h, the documentation for these put them in immintrin.h.

https://docs.microsoft.com/en-us/cpp/intrinsics/interlockedcompareexchange-intrinsic-functions#requirements
https://docs.microsoft.com/en-us/cpp/intrinsics/interlockedexchange-intrinsic-functions#requirements


Repository:
  rC Clang

https://reviews.llvm.org/D47672