[all-commits] [llvm/llvm-project] 976953: [AArch64] Update Cortex-A55 SchedModel to improve ...

[NickGuy-Arm via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9769535efd56680958d8004ddc33f0569e617bdf
      https://github.com/llvm/llvm-project/commit/9769535efd56680958d8004ddc33f0569e617bdf
  Author: Nicholas Guy <nicholas.guy at arm.com>
  Date:   2021-07-16 (Fri, 16 Jul 2021)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64SchedA55.td
    M llvm/test/tools/llvm-mca/AArch64/Cortex/A55-basic-instructions.s

  Log Message:
  -----------
  [AArch64] Update Cortex-A55 SchedModel to improve LDP scheduling

Specifying the latencies of specific LDP variants appears to improve
performance almost universally.

Differential Revision: https://reviews.llvm.org/D105882