[PATCH] D52485: [AArch64][v8.5A] Add Branch Target Identification instructions

[Oliver Stannard via Phabricator via llvm-commits]

olista01 created this revision.
Herald added a reviewer: javed.absar.
Herald added subscribers: llvm-commits, kristof.beyls.

This adds new instructions used by the Branch Target Identification
feature. When this is enabled, these are the only instructions which can
be targeted by indirect branch instructions.

Patch by Pablo Barrio!


Repository:
  rL LLVM

https://reviews.llvm.org/D52485

Files:
  lib/Target/AArch64/AArch64.td
  lib/Target/AArch64/AArch64InstrFormats.td
  lib/Target/AArch64/AArch64InstrInfo.td
  lib/Target/AArch64/AArch64Subtarget.h
  lib/Target/AArch64/AArch64SystemOperands.td
  lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
  lib/Target/AArch64/InstPrinter/AArch64InstPrinter.cpp
  lib/Target/AArch64/InstPrinter/AArch64InstPrinter.h
  lib/Target/AArch64/Utils/AArch64BaseInfo.cpp
  lib/Target/AArch64/Utils/AArch64BaseInfo.h
  test/MC/AArch64/armv8.5a-bti-error.s
  test/MC/AArch64/armv8.5a-bti.s
  test/MC/Disassembler/AArch64/armv8.5a-bti.txt

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