[PATCH] D114765: [X86][FP16] Only generate approximate rsqrt when Reciprocal is true for half type

[Craig Topper via Phabricator via llvm-commits]

craig.topper added a comment.

I think for f16 you should also be returning true from X86TargetLowering::isFsqrtCheap which would prevent getSqrtEstimate from being called for the non-reciprocal case.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D114765/new/

https://reviews.llvm.org/D114765