[PATCH] D40385: [mips][compiler-rt] Provide 64bit atomic add and sub

[Dean Michael Berris via Phabricator via llvm-commits]

dberris added subscribers: kcc, eugenis.
dberris added a comment.

I'll defer to @kcc or @eugenis here on how to handle these potentially better in `sanitizer_atomic_clang.h`.


Repository:
  rL LLVM

https://reviews.llvm.org/D40385