[all-commits] [llvm/llvm-project] 7cae0d: [X86][Atom] Fix BSR/BSF uops + port usage

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7cae0daee6300f04f181a770dcbf7b6268ed9407
      https://github.com/llvm/llvm-project/commit/7cae0daee6300f04f181a770dcbf7b6268ed9407
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2021-10-02 (Sat, 02 Oct 2021)

  Changed paths:
    M llvm/lib/Target/X86/X86ScheduleAtom.td
    M llvm/test/tools/llvm-mca/X86/Atom/resources-x86_64.s

  Log Message:
  -----------
  [X86][Atom] Fix BSR/BSF uops + port usage

Both ports are required for BitScan ops. Update the uops counts + port usage based off the most recent llvm-exegesis captures (PR36895) and what Intel AoM / Agner reports as well.