[PATCH] D65529: [PowerPC] Use xxleqv to set all one vector IMM(-1).

[Jinsong Ji via Phabricator via llvm-commits]

jsji created this revision.
jsji added reviewers: hfinkel, nemanjai, steven.zhang.
Herald added subscribers: llvm-commits, shchenz, MaskRay, kbarton, hiraditya.
Herald added a project: LLVM.

xxspltib/vspltisb are 3 cycle PM instructions,
xxleqv is 2 cycle ALU instruction.

We should use xxleqv to set all one vectors.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D65529

Files:
  llvm/lib/Target/PowerPC/P9InstrResources.td
  llvm/lib/Target/PowerPC/PPCInstrFormats.td
  llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
  llvm/lib/Target/PowerPC/PPCInstrVSX.td
  llvm/test/CodeGen/PowerPC/build-vector-tests.ll
  llvm/test/CodeGen/PowerPC/sat-add.ll
  llvm/test/CodeGen/PowerPC/setcc-logic.ll
  llvm/test/CodeGen/PowerPC/signbit-shift.ll
  llvm/test/CodeGen/PowerPC/vselect-constants.ll

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