[libc-commits] [PATCH] D145608: [libc] Add intrinsic for thread fence to the atomic support

[Tue Ly via Phabricator via libc-commits]

lntue added inline comments.


================
Comment at: libc/src/__support/CPP/atomic.h:97
+inline void atomic_thread_fence(MemoryOrder mem_ord) {
+  __atomic_thread_fence(int(mem_ord));
+}
----------------
Do we need a guard to check if the builtin `__atomic_thread_fence` is available?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D145608/new/

https://reviews.llvm.org/D145608