[PATCH] [AArch64] Add v8.1a "Rounding Doubling Multiply Add/Subtract" extension

[Vladimir Sukharev]

- commented out patterns are removed
- commented out tests are rewritten from illegal IR to clang-style


REPOSITORY
  rL LLVM

http://reviews.llvm.org/D8502

Files:
  lib/Target/AArch64/AArch64InstrFormats.td
  lib/Target/AArch64/AArch64InstrInfo.td
  test/CodeGen/AArch64/arm64-neon-v8.1a.ll
  test/MC/AArch64/armv8.1a-rdma.s
  test/MC/Disassembler/AArch64/armv8.1a-rdma.txt

EMAIL PREFERENCES
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