[PATCH] D62677: [ARM] Add a batch of similarly encoded MVE instructions.

[Simon Tatham via Phabricator via llvm-commits]

simon_tatham created this revision.
simon_tatham added reviewers: dmgreen, samparker, SjoerdMeijer, t.p.northover.
Herald added subscribers: llvm-commits, hiraditya, kristof.beyls, javed.absar.
Herald added a project: LLVM.

This adds the `MVE_qDest_qSrc` superclass and all instructions that
inherit from it. It's not the complete class of _everything_ with a
q-register as both destination and source; it's a subset of them that
all have similar encodings (but it would have been hopelessly unwieldy
to call it anything like MVE_111x11100).

This category includes add/sub with carry; long multiplies; halving
multiplies; multiply and accumulate, and some more complex
instructions.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D62677

Files:
  llvm/lib/Target/ARM/ARMInstrMVE.td
  llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
  llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
  llvm/test/MC/ARM/mve-qdest-qsrc.s
  llvm/test/MC/Disassembler/ARM/mve-qdest-qsrc.txt

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