[PATCH] D84592: [X86] Add custom lowering for llvm.roundeven with sse4.1.

[Craig Topper via Phabricator via llvm-commits]

craig.topper created this revision.
craig.topper added reviewers: spatel, RKSimon.
Herald added a subscriber: hiraditya.
Herald added a project: LLVM.

We can use the roundss/sd/ps/pd instructions like we do for
ceil/floor/trunc/rint/nearbyint.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D84592

Files:
  llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/fp-roundeven.ll
  llvm/test/CodeGen/X86/fp-strict-scalar-round.ll

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