[PATCH] D92389: [AArch64] Add support for the Branch Record Buffer extension

[Lucas Prates via Phabricator via llvm-commits]

pratlucas created this revision.
Herald added subscribers: llvm-commits, danielkiss, hiraditya, kristof.beyls.
Herald added a project: LLVM.
pratlucas requested review of this revision.

This introduces asm support for the Branch Record Buffer extension, through
the new 'brbe' subtarget feature. It consists of a new set of system registers
that enable the handling of branch records.

Patch written by Simon Tatham.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D92389

Files:
  llvm/include/llvm/Support/AArch64TargetParser.def
  llvm/include/llvm/Support/AArch64TargetParser.h
  llvm/lib/Support/AArch64TargetParser.cpp
  llvm/lib/Target/AArch64/AArch64.td
  llvm/lib/Target/AArch64/AArch64InstrInfo.td
  llvm/lib/Target/AArch64/AArch64Subtarget.h
  llvm/lib/Target/AArch64/AArch64SystemOperands.td
  llvm/test/MC/AArch64/brbe.s
  llvm/test/MC/Disassembler/AArch64/brbe.txt

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