[PATCH] D106166: [LV][ARM] Tighten up MLA reduction costing

[Dave Green via Phabricator via llvm-commits]

dmgreen updated this revision to Diff 362299.
dmgreen added a comment.

Thanks for taking a look. This improves the accuracy of the new double extend costing and extends the comment.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D106166/new/

https://reviews.llvm.org/D106166

Files:
  llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
  llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
  llvm/test/Transforms/LoopVectorize/ARM/mve-reductions.ll

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