[all-commits] [llvm/llvm-project] 739cd2: [PowerPC] Exploit the High Order Vector Multiply I...

[Amy Kwan via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 739cd2638b12c37d6bf867d68cd86d18bc5e2e42
      https://github.com/llvm/llvm-project/commit/739cd2638b12c37d6bf867d68cd86d18bc5e2e42
  Author: Amy Kwan <amy.kwan1 at ibm.com>
  Date:   2020-07-24 (Fri, 24 Jul 2020)

  Changed paths:
    M llvm/lib/Target/PowerPC/PPCISelLowering.cpp
    M llvm/lib/Target/PowerPC/PPCInstrPrefix.td
    M llvm/test/CodeGen/PowerPC/p10-vector-multiply.ll

  Log Message:
  -----------
  [PowerPC] Exploit the High Order Vector Multiply Instructions on Power10

This patch aims to exploit the following vector multiply high instructions on Power10.
vmulhsw VRT, VRA, VRB
vmulhsd VRT, VRA, VRB
vmulhuw VRT, VRA, VRB
vmulhud VRT, VRA, VRB

Differential Revision: https://reviews.llvm.org/D82584