[PATCH] D119001: [x86] enable fast sqrtss tuning for AMD Zen cores

[Sanjay Patel via Phabricator via llvm-commits]

spatel updated this revision to Diff 405992.
spatel marked an inline comment as done.
spatel added a comment.

Added fast vector sqrt flag in addition to fast scalar. These have throughput <8 (see uops link in description), so better than the estimate sequence.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D119001/new/

https://reviews.llvm.org/D119001

Files:
  llvm/lib/Target/X86/X86.td
  llvm/test/CodeGen/X86/sqrt-fastmath-tune.ll

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