[all-commits] [llvm/llvm-project] 05f56f: [X86] Fix VPPERM load folding latency

Simon Pilgrim via All-commits all-commits at lists.llvm.org
Fri Sep 9 05:58:10 PDT 2022


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 05f56f10ed84dc56bb4fb686c4630aeb4dcbca0b
      https://github.com/llvm/llvm-project/commit/05f56f10ed84dc56bb4fb686c4630aeb4dcbca0b
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-09-09 (Fri, 09 Sep 2022)

  Changed paths:
    M llvm/lib/Target/X86/X86ScheduleBdVer2.td
    M llvm/test/tools/llvm-mca/X86/BdVer2/resources-xop.s

  Log Message:
  -----------
  [X86] Fix VPPERM load folding latency

Noticed while investigating BITREVERSE cost numbers with the D103695 script - VPPERM folded loads was using the WriteVarShuffleX defaults and was missing an override like the VPPERM reg-reg variants




More information about the All-commits mailing list