[PATCH] D71726: Let clang atomic builtins fetch add/sub support floating point types

[JF Bastien via Phabricator via cfe-commits]

jfb added subscribers: ldionne, EricWF, mclow.lists.
jfb added a comment.

This generally seems fine. Does it work on most backends? I want to make sure it doesn't fail in backends :)

Also, @ldionne / @EricWF / @mclow.lists do you need this in libc++ for floating-point atomic support?


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  https://reviews.llvm.org/D71726/new/

https://reviews.llvm.org/D71726