[PATCH] D77094: [ARM] Add enhanced counter virtualization system registers

[Ties Stuij via Phabricator via llvm-commits]

stuij created this revision.
Herald added subscribers: llvm-commits, danielkiss, hiraditya, kristof.beyls.
Herald added a project: LLVM.

This patch upstreams support for the ARMv8.6A Enhanced Counter Virtualization
(ECV) extension, which adds 6 new system registers.

See ARMv8.6-ECV in the Arm Architecture Reference Manual Armv8 for more
information.

Depends on D76991 <https://reviews.llvm.org/D76991>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D77094

Files:
  llvm/lib/Target/AArch64/AArch64.td
  llvm/lib/Target/AArch64/AArch64Subtarget.h
  llvm/lib/Target/AArch64/AArch64SystemOperands.td
  llvm/test/MC/AArch64/armv8.6a-ecv.s
  llvm/test/MC/Disassembler/AArch64/armv8.6a-ecv.txt

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