[PATCH] D129089: [BOLT] Fix concurrency bugs in the instrumentation runtime

[Alexander Yermolovich via Phabricator via llvm-commits]

ayermolo added a comment.

In D129089#3628628 <https://reviews.llvm.org/D129089#3628628>, @yota9 wrote:

> @ayermolo The runtime libs such as instrumentation must not depend on external libraries like libstdc++. But in our (currently internal) implementation we are using __atomic_test_and_set, I think it is better option here which eliminates inline asm usage and is arch independent

Ah I see. I am all for eliminating inline assembly, but I leave this to @maksfb


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https://reviews.llvm.org/D129089