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AArch64: implement copy for paired GPR registers.

Authored by t.p.northover on Feb 7 2019, 2:35 AM.

Description

AArch64: implement copy for paired GPR registers.

When doing 128-bit atomics using CASP we might need to copy a GPRPair to a
different register, but that was unimplemented up to now.

llvm-svn: 353383

Details

Committed
t.p.northoverFeb 7 2019, 2:35 AM
Parents
rG68d5652380b7: [clang-tidy] Expand and clarify the NOLINT documentation a bit.
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