[PATCH] D71940: [PowerPC] Legalize saturating vector add/sub

[Nemanja Ivanovic via Phabricator via llvm-commits]

nemanjai created this revision.
nemanjai added reviewers: PowerPC, hfinkel.
Herald added subscribers: shchenz, jsji, kbarton, hiraditya.
Herald added a project: LLVM.

These intrinsics and the corresponding ISD nodes were recently added. PPC has instructions that do this for vectors. Legalize them and add patterns to emit the satuarting instructions.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D71940

Files:
  llvm/lib/Target/PowerPC/PPCISelLowering.cpp
  llvm/lib/Target/PowerPC/PPCInstrAltivec.td
  llvm/test/CodeGen/PowerPC/saturating-intrinsics.ll

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