[all-commits] [llvm/llvm-project] a74412: [X86] Fix znver1 256-bit ALU/Logic/Blend uop counts

Simon Pilgrim via All-commits all-commits at lists.llvm.org
Fri Aug 19 11:10:17 PDT 2022

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a7441289e2eb8ccf71c1a60b71d898069e82b22b
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-08-19 (Fri, 19 Aug 2022)

  Changed paths:
    M llvm/lib/Target/X86/X86ScheduleZnver1.td
    M llvm/test/tools/llvm-mca/X86/Znver1/resources-avx1.s
    M llvm/test/tools/llvm-mca/X86/Znver1/resources-avx2.s
    M llvm/test/tools/llvm-mca/X86/Znver1/zero-idioms.s
    M llvm/test/tools/llvm-mca/X86/read-after-ld-2.s

  Log Message:
  [X86] Fix znver1 256-bit ALU/Logic/Blend uop counts

ymm instructions are double pumped on znver1 - noticed while trying to review size-latency costkinds numbers for D132216

Matches AMD 17h SOG / Agner / uops.info

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