[PATCH] D61863: [X86] Prefer locked stack op over mfence for seq_cst 64-bit stores on 32-bit targets

[Craig Topper via Phabricator via llvm-commits]

craig.topper accepted this revision.
craig.topper added a comment.
This revision is now accepted and ready to land.

LGTM to me with one minor



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Comment at: lib/Target/X86/X86ISelLowering.cpp:26427
+      // If this is a sequentially consistent store, also emit an appropriate
+      // barrier 
       if (IsSeqCst)
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  https://reviews.llvm.org/D61863/new/

https://reviews.llvm.org/D61863