[all-commits] [llvm/llvm-project] 2ee86a: [AArch64][GlobalISel] Improve non-SVE popcount for...

[Tim Gymnich via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2ee86a1ebb9be7ff7be893b411a4af0a1dcee420
      https://github.com/llvm/llvm-project/commit/2ee86a1ebb9be7ff7be893b411a4af0a1dcee420
  Author: Tim Gymnich <tgymnich at icloud.com>
  Date:   2024-07-02 (Tue, 02 Jul 2024)

  Changed paths:
    M llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
    M llvm/test/CodeGen/AArch64/popcount.ll

  Log Message:
  -----------
  [AArch64][GlobalISel] Improve non-SVE popcount for 32bit and 64 bit using udot (#96409)

Follow up for #95881

Use udot instead of a sequence of uaddlp instructions when summing up
lanes for popcount.



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