[PATCH] D109827: AArch64: use ldp/stp for 128-bit atomic load/store with v8.4

[Tim Northover via Phabricator via llvm-commits]

t.p.northover updated this revision to Diff 372699.
t.p.northover added a comment.

Added separate feature to control it (named from ARMARM), since it's optional from v8.2 onwards.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D109827/new/

https://reviews.llvm.org/D109827

Files:
  llvm/lib/Target/AArch64/AArch64.td
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/lib/Target/AArch64/AArch64ISelLowering.h
  llvm/lib/Target/AArch64/AArch64Subtarget.h
  llvm/lib/Target/AArch64/GISel/AArch64InstructionSelector.cpp
  llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
  llvm/test/CodeGen/AArch64/GlobalISel/arm64-atomic-128.ll
  llvm/test/CodeGen/AArch64/atomic-ops-lse.ll

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