[all-commits] [llvm/llvm-project] 9474b0: [AArch64] Add a Cortex-A55 NEON scheduler test case.

[David Green via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9474b03d410608489ed5a59a0508818ebb43df0d
      https://github.com/llvm/llvm-project/commit/9474b03d410608489ed5a59a0508818ebb43df0d
  Author: David Green <david.green at arm.com>
  Date:   2021-08-26 (Thu, 26 Aug 2021)

  Changed paths:
    A llvm/test/tools/llvm-mca/AArch64/Cortex/A55-neon-instructions.s

  Log Message:
  -----------
  [AArch64] Add a Cortex-A55 NEON scheduler test case.


  Commit: 6ffc6951a370659602faa4b503e1c07a64f02065
      https://github.com/llvm/llvm-project/commit/6ffc6951a370659602faa4b503e1c07a64f02065
  Author: David Green <david.green at arm.com>
  Date:   2021-08-26 (Thu, 26 Aug 2021)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64InstrFormats.td
    M llvm/test/CodeGen/AArch64/neon-truncstore.ll
    M llvm/test/tools/llvm-mca/AArch64/Cortex/A55-neon-instructions.s

  Log Message:
  -----------
  [AArch64] Remove unpredictable from narrowing instructions.

Like other similar instructions the xtn2 family do not have side
effects, and explicitly marking them as such can help improve scheduling
freedom.


Compare: https://github.com/llvm/llvm-project/compare/985eb255462e...6ffc6951a370