[all-commits] [llvm/llvm-project] 9ec57c: [AArch64] custom lowering for i128 popcount

Shawn Landden via All-commits all-commits at lists.llvm.org
Tue Jun 9 22:44:56 PDT 2020


  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 9ec57cce6240bcdef599cc8a98590193f16b2d3e
      https://github.com/llvm/llvm-project/commit/9ec57cce6240bcdef599cc8a98590193f16b2d3e
  Author: Shawn Landden <shawn at git.icu>
  Date:   2020-06-10 (Wed, 10 Jun 2020)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/test/CodeGen/AArch64/popcount.ll

  Log Message:
  -----------
  [AArch64] custom lowering for i128 popcount

halves the number of CNT instructions generated




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