[all-commits] [llvm/llvm-project] 651247: [PowerPC] Improve float vector gather codegen

[stefanp-ibm via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 6512473ceef277705a9d0ac7824d319186e802d9
      https://github.com/llvm/llvm-project/commit/6512473ceef277705a9d0ac7824d319186e802d9
  Author: Stefan Pintilie <stefanp at ca.ibm.com>
  Date:   2019-11-18 (Mon, 18 Nov 2019)

  Changed paths:
    M llvm/lib/Target/PowerPC/PPCInstrVSX.td
    M llvm/test/CodeGen/PowerPC/float-vector-gather.ll

  Log Message:
  -----------
  [PowerPC] Improve float vector gather codegen

This patch aims to improve the code generation for float vector gather on POWER9.
Patterns have been implemented to utilize instructions that deliver improved
performance.

Patch by: Kamau Bridgeman

Differential Revision: https://reviews.llvm.org/D62908