[all-commits] [llvm/llvm-project] 51fe17: [AArch64] Add support for the SPE-EEF feature

[Lucas Duarte Prates via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 51fe17b0471a2b0a27ce038426e6b996218061a2
      https://github.com/llvm/llvm-project/commit/51fe17b0471a2b0a27ce038426e6b996218061a2
  Author: Lucas Prates <lucas.prates at arm.com>
  Date:   2020-12-18 (Fri, 18 Dec 2020)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64.td
    M llvm/lib/Target/AArch64/AArch64InstrInfo.td
    M llvm/lib/Target/AArch64/AArch64Subtarget.h
    M llvm/lib/Target/AArch64/AArch64SystemOperands.td
    A llvm/test/MC/AArch64/spe.s

  Log Message:
  -----------
  [AArch64] Add support for the SPE-EEF feature

This is an addition to the existing Statistical Profiling extension, which
introduces an extra system register that is enabled by the new 'spe-eef'
subtarget feature.

Patch written by Simon Tatham.

Reviewed By: ostannard

Differential Revision: https://reviews.llvm.org/D92391