[all-commits] [llvm/llvm-project] e5abaf: [X86] Fix SLM uops counts for WriteBitTestSetRegRM...

Simon Pilgrim via All-commits all-commits at lists.llvm.org
Mon Dec 19 10:21:51 PST 2022


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e5abaf8decf26c0b07340e819b75070d24986fd1
      https://github.com/llvm/llvm-project/commit/e5abaf8decf26c0b07340e819b75070d24986fd1
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-12-19 (Mon, 19 Dec 2022)

  Changed paths:
    M llvm/lib/Target/X86/X86ScheduleSLM.td
    M llvm/test/tools/llvm-mca/X86/SLM/resources-x86_64.s

  Log Message:
  -----------
  [X86] Fix SLM uops counts for WriteBitTestSetRegRMW instructions

The set/reset/complement RMW variants use +1uop compared to the BT read-only instructions

Based off llvm-exegesis captures, confirmed with Agner + uops.info




More information about the All-commits mailing list