[PATCH] D42104: [AArch64] Generate the CASP instruction for 128-bit cmpxchg

[Christof Douma via Phabricator via llvm-commits]

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

Code looks well formatted to me, implementation is reasonable to me. It is a bit of a shame that it can't be done in tablegen as the lowering function gets a bit big. But since i128 is not a legal type, I guess this is the best we can get.


Repository:
  rL LLVM

https://reviews.llvm.org/D42104