[PATCH] D52476: [AArch64][v8.5A] Add speculation barrier to AArch64 instruction set

[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 is a new barrier which limits speculative execution of the
instructions following it.

Patch by Pablo Barrio!


Repository:
  rL LLVM

https://reviews.llvm.org/D52476

Files:
  lib/Target/AArch64/AArch64.td
  lib/Target/AArch64/AArch64InstrInfo.td
  lib/Target/AArch64/AArch64Subtarget.h
  test/MC/AArch64/armv8.5a-specctrl.s
  test/MC/Disassembler/AArch64/armv8.5a-specctrl.txt

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