[PATCH] D52477: [ARM][v8.5A] Add speculation barrier to ARM & Thumb instruction sets

[Oliver Stannard via Phabricator via llvm-commits]

olista01 created this revision.
Herald added a reviewer: javed.absar.
Herald added subscribers: llvm-commits, chrib, 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/D52477

Files:
  lib/Target/ARM/ARM.td
  lib/Target/ARM/ARMInstrInfo.td
  lib/Target/ARM/ARMInstrThumb2.td
  lib/Target/ARM/ARMSubtarget.h
  lib/Target/ARM/AsmParser/ARMAsmParser.cpp
  test/MC/ARM/armv8.5a-specctrl-error-thumb.s
  test/MC/ARM/armv8.5a-specctrl-error.s
  test/MC/ARM/armv8.5a-specctrl.s
  test/MC/Disassembler/ARM/armv8.5a-specctrl-thumb.txt
  test/MC/Disassembler/ARM/armv8.5a-specctrl.txt

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D52477.166894.patch
Type: text/x-patch
Size: 7138 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20180925/a7f71ce9/attachment.bin>