[all-commits] [llvm/llvm-project] 10cdad: [X86] Fix SLM uops/resources counts for XADD/XCHG ...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 10cdad4065d7d3b53be3e0f03a2d71951c2bacd6
      https://github.com/llvm/llvm-project/commit/10cdad4065d7d3b53be3e0f03a2d71951c2bacd6
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2023-01-14 (Sat, 14 Jan 2023)

  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/resources counts for XADD/XCHG reg-reg instructions

The RMW instructions still need addressing, probably with a new 'WriteXCHGRMW' scheduler class.

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