[all-commits] [llvm/llvm-project] 5d7e7a: [X86] ICX - vector XMM splat use Port 1 or 5 when ...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5d7e7abc82ec87fe0cca3bc2afe67b70be5d0151
      https://github.com/llvm/llvm-project/commit/5d7e7abc82ec87fe0cca3bc2afe67b70be5d0151
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2024-03-26 (Tue, 26 Mar 2024)

  Changed paths:
    M llvm/lib/Target/X86/X86SchedIceLake.td
    M llvm/test/tools/llvm-mca/X86/IceLakeServer/resources-avx1.s
    M llvm/test/tools/llvm-mca/X86/IceLakeServer/resources-avx512bwvl.s
    M llvm/test/tools/llvm-mca/X86/IceLakeServer/resources-sse2.s

  Log Message:
  -----------
  [X86] ICX - vector XMM splat use Port 1 or 5 when boradcasting the shift amount

Noticed while trying to compare splat vs per-element shift perf stats for #39424

Confirmed with uops.info


  Commit: 5fc619b5ee227ab4d22319dad8d2ba6fc1660091
      https://github.com/llvm/llvm-project/commit/5fc619b5ee227ab4d22319dad8d2ba6fc1660091
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2024-03-26 (Tue, 26 Mar 2024)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/test/CodeGen/X86/avgceilu.ll

  Log Message:
  -----------
  [DAG] Update ISD::AVG folds to use hasOperation to allow Custom matching prior to legalization

Fixes issue where AVX1 targets weren't matching 256-bit AVGCEILU cases.


  Commit: 5b544b511c7133fcb26a5c563b746a4baefb38d6
      https://github.com/llvm/llvm-project/commit/5b544b511c7133fcb26a5c563b746a4baefb38d6
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2024-03-26 (Tue, 26 Mar 2024)

  Changed paths:
    M llvm/test/CodeGen/Mips/GlobalISel/legalizer/ctpop.mir

  Log Message:
  -----------
  [Mips] ctpop.mir - regenerate checks to improve codegen diff in #86505


Compare: https://github.com/llvm/llvm-project/compare/f5e1cd5625bc...5b544b511c71

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