[PATCH] D143859: [X86] Adding tuning flags for int <-> fp domain switching penalties; NFC

[Noah Goldstein via Phabricator via llvm-commits]

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- No domain switching penalties

Nehalem+

- No penalty on moves

Haswell+

- No penalty on moves / shuffles

Skylake+

- No penality on moves / shuffles / blends


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D143859

Files:
  llvm/lib/Target/X86/X86.td
  llvm/lib/Target/X86/X86Subtarget.h
  llvm/lib/Target/X86/X86TargetTransformInfo.h

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