[all-commits] [llvm/llvm-project] b3bc8d: [AArch64] Assembly support for Armv9.5-A Debug/PMU...

[Lucas Duarte Prates via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b3bc8d75ff3c9d44d0f547fb949e73e6b8b65fef
      https://github.com/llvm/llvm-project/commit/b3bc8d75ff3c9d44d0f547fb949e73e6b8b65fef
  Author: Lucas Duarte Prates <lucas.prates at arm.com>
  Date:   2023-11-28 (Tue, 28 Nov 2023)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64SystemOperands.td
    A llvm/test/MC/AArch64/armv9.5a-spmu2-error.s
    A llvm/test/MC/AArch64/armv9.5a-spmu2.s
    A llvm/test/MC/AArch64/armv9.5a-step2.s
    M llvm/test/MC/AArch64/basic-a64-diagnostics.s
    M llvm/test/MC/AArch64/basic-a64-instructions.s
    A llvm/test/MC/Disassembler/AArch64/armv9.5a-spmu2.txt
    A llvm/test/MC/Disassembler/AArch64/armv9.5a-step2.txt
    M llvm/test/MC/Disassembler/AArch64/basic-a64-instructions.txt

  Log Message:
  -----------
  [AArch64] Assembly support for Armv9.5-A Debug/PMU Extensions (#73537)

This implements assembly support for the Debug/PMU extensions introduced
as part of the Armv9.5-A architecture version.
The changes include:
* New ID_AA64DFR2_EL1 ID system register
* New MDSTEPOP_EL1 and SPMZR_EL0 system registers

Mode details about these extensions can be found at:
* https://community.arm.com/arm-community-blogs/b/architectures-and-processors-blog/posts/arm-a-profile-architecture-developments-2023
* https://developer.arm.com/documentation/ddi0602/2023-09/

Co-authored-by: Oliver Stannard <oliver.stannard at arm.com>