[PATCH] D62672: [ARM] Add MVE vector shift 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 includes saturating and non-saturating shifts, both with
immediate shift count and with the shift counts given by another
vector register; VSHLC (in which the bits shifted out of each active
vector lane are shifted in to the next active lane); and also VMOVL,
which is enough like an immediate shift that it didn't fit too badly
in this category.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D62672

Files:
  llvm/lib/Target/ARM/ARMInstrInfo.td
  llvm/lib/Target/ARM/ARMInstrMVE.td
  llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
  llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
  llvm/lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp
  llvm/test/MC/ARM/mve-shifts.s
  llvm/test/MC/Disassembler/ARM/mve-shifts.txt

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