[all-commits] [llvm/llvm-project] ed3723: [X86] Fix BMI uop/throughputs on znver1/znver2

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ed37234f9be3a257f360c7d1fc33a0391e0be288
      https://github.com/llvm/llvm-project/commit/ed37234f9be3a257f360c7d1fc33a0391e0be288
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-12-17 (Sat, 17 Dec 2022)

  Changed paths:
    M llvm/lib/Target/X86/X86ScheduleZnver1.td
    M llvm/lib/Target/X86/X86ScheduleZnver2.td
    M llvm/test/tools/llvm-mca/X86/Znver1/resources-bmi1.s
    M llvm/test/tools/llvm-mca/X86/Znver2/resources-bmi1.s

  Log Message:
  -----------
  [X86] Fix BMI uop/throughputs on znver1/znver2

Most BMI ops are 2uop and 0.5 throughput - interestingly TZCNTrm doesn't take an extra uop but the other instructions do

Confirmed by AMD SoG + Agner