[PATCH] D28681: [AArch64] Enable Rounding Double Multiply Add/Subtract instructions on Falkor.

[Chad Rosier via Phabricator via llvm-commits]

mcrosier created this revision.
mcrosier added reviewers: t.p.northover, jmolloy, aadg, gberry, ab.
mcrosier added a subscriber: llvm-commits.
Herald added subscribers: rengolin, aemerson.

Falkor only partially implements the ARMv8.1a extensions, so this patch refactors the support for the SQRDML[A|S]H instruction into a separate feature.

Chad


https://reviews.llvm.org/D28681

Files:
  lib/Target/AArch64/AArch64.td
  lib/Target/AArch64/AArch64InstrFormats.td
  lib/Target/AArch64/AArch64InstrInfo.td
  lib/Target/AArch64/AArch64Subtarget.h
  test/CodeGen/AArch64/arm64-neon-v8.1a.ll

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