[PATCH] D15274: [ARMv8-M] [1/9] Split out ARMv8-A semaphores and atomics and ARMv7-M exclusives as separate features

[Bradley Smith via llvm-commits]

bsmith created this revision.
bsmith added a reviewer: t.p.northover.
bsmith added a subscriber: llvm-commits.
bsmith set the repository for this revision to rL LLVM.
Herald added subscribers: rengolin, aemerson.

This patch forms part of the ARMv8-M Baseline/Mainline support.

The thumb versions of the ARMv8-A semaphores and atomics and the ARMv7-M exclusives instructions are part of the new ARMv8-M architectures, as such we must split these instruction classes out into separate subtarget features so they can be used by ARMv8-M.

Repository:
  rL LLVM

http://reviews.llvm.org/D15274

Files:
  lib/Target/ARM/ARM.td
  lib/Target/ARM/ARMInstrFormats.td
  lib/Target/ARM/ARMInstrInfo.td
  lib/Target/ARM/ARMInstrThumb2.td
  lib/Target/ARM/ARMSubtarget.cpp
  lib/Target/ARM/ARMSubtarget.h
  test/MC/ARM/load-store-acquire-release-v8-thumb.s
  test/MC/ARM/load-store-acquire-release-v8.s

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