[llvm] [X86] Prefer `lock or` over mfence (PR #106555)

Valentin Churavy via llvm-commits llvm-commits at lists.llvm.org
Wed Apr 2 05:04:58 PDT 2025

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vchuravy wrote:

All Core architectures should benefit from this change. Is your macrobenchmark single-threaded or contention heavy? 

https://github.com/llvm/llvm-project/pull/106555

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