[PATCH] D35309: [AArch64] Add preliminary support for ARMv8.1 SUB/AND atomics

[Matthew Simpson via Phabricator via llvm-commits]

mssimpso created this revision.
Herald added subscribers: kristof.beyls, javed.absar, rengolin, aemerson.

This patch is a follow-up to r305893 and adds preliminary support for the fetch_sub and fetch_and operations.


https://reviews.llvm.org/D35309

Files:
  lib/Target/AArch64/AArch64DeadRegisterDefinitionsPass.cpp
  lib/Target/AArch64/AArch64ISelLowering.cpp
  lib/Target/AArch64/AArch64InstrAtomics.td
  test/CodeGen/AArch64/atomic-ops-lse.ll

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