[all-commits] [llvm/llvm-project] 0acef8: [X86][AVX] Add v8f32 'reverse' HADD(SHUFFLE, SHUFFL...

Simon Pilgrim via All-commits all-commits at lists.llvm.org
Tue Aug 4 02:18:04 PDT 2020


  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 0acef82480df05486b52618692ebcab1c9b1f77c
      https://github.com/llvm/llvm-project/commit/0acef82480df05486b52618692ebcab1c9b1f77c
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-08-04 (Tue, 04 Aug 2020)

  Changed paths:
    M llvm/test/CodeGen/X86/haddsub-4.ll

  Log Message:
  -----------
  [X86][AVX] Add v8f32 'reverse' HADD(SHUFFLE,SHUFFLE) test coverage

Shows missed opportunity for HADD on AVX1 targets with a relatively simple lane crossing post shuffle




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