[PATCH] D97604: [SystemZ] Reimplement the 1-byte compare-and-swap logic

[Ulrich Weigand via Phabricator via llvm-commits]

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

Ahh, you're right.  It's done in common code by the **default** ATOMIC_CMP_SWAP_SUCCESS expander -- but we're not using that since we use our own custom expander!   So it indeed has to be done there in the back end.

Patch LGTM.   Thanks!


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