[all-commits] [llvm/llvm-project] 90df66: [MCA][X86] Fix throughput of (V)PMOV extension/tru...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 90df66455b2ff6a3b3754a56afafc05935a05e15
      https://github.com/llvm/llvm-project/commit/90df66455b2ff6a3b3754a56afafc05935a05e15
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2024-11-26 (Tue, 26 Nov 2024)

  Changed paths:
    M llvm/lib/Target/X86/X86ScheduleZnver4.td
    M llvm/test/tools/llvm-mca/X86/Znver4/resources-avx512.s
    M llvm/test/tools/llvm-mca/X86/Znver4/resources-avx512bw.s

  Log Message:
  -----------
  [MCA][X86] Fix throughput of (V)PMOV extension/truncation 512-bit instructions

znver4 512-bit instructions are half rate of 128/256-bit variants (still 1uop though)

Confirmed with Agner/uops.info

Noticed while triaging #110308 and #117579



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