[all-commits] [llvm/llvm-project] ee40ff: [X86] Recognize VPXORDZrr as a zero-idiom on Znver...

[Aiden Grossman via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ee40ffd1ee3a13f504cfca6bae5e65c868a5b762
      https://github.com/llvm/llvm-project/commit/ee40ffd1ee3a13f504cfca6bae5e65c868a5b762
  Author: Aiden Grossman <aidengrossman at google.com>
  Date:   2024-09-12 (Thu, 12 Sep 2024)

  Changed paths:
    M llvm/lib/Target/X86/X86ScheduleZnver4.td
    M llvm/test/tools/llvm-mca/X86/Znver4/zero-idioms.s

  Log Message:
  -----------
  [X86] Recognize VPXORDZrr as a zero-idiom on Znver4 (#108314)

This patch adds information about VPXORDZrr to the znver4 scheduling
model, particularly that it is a zero-idiom.

This fixes a proximal cause of #108157.



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