[PATCH] D15917: [Power9] Implement new vector extract instructions

[Chuang-Yu Cheng via llvm-commits]

cycheng created this revision.
cycheng added reviewers: hfinkel, kbarton, tjablin.
cycheng added a subscriber: llvm-commits.

This change implements the vector extract instructions:

  - Vector Extract Unsigned: vextractub, vextractuh, vextractuw, vextractd
  - Vector Extract Unsigned Left/Right-Indexed: vextublx, vextubrx, vextuhlx, vextuhrx, vextuwlx, vextuwrx

10 instructions

http://reviews.llvm.org/D15917

Files:
  lib/Target/PowerPC/PPCInstrAltivec.td
  lib/Target/PowerPC/PPCSubtarget.cpp
  lib/Target/PowerPC/PPCSubtarget.h
  test/MC/Disassembler/PowerPC/ppc64-encoding-vmx.txt
  test/MC/PowerPC/ppc64-encoding-vmx.s

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