[all-commits] [llvm/llvm-project] 85f3d5: [AArch64] Add assembly/disassembly for SVE COMPACT...

[SpencerAbson via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 85f3d5ca4994ff70a72f6ad81948bf4721e15ef1
      https://github.com/llvm/llvm-project/commit/85f3d5ca4994ff70a72f6ad81948bf4721e15ef1
  Author: SpencerAbson <Spencer.Abson at arm.com>
  Date:   2024-10-30 (Wed, 30 Oct 2024)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64.td
    M llvm/lib/Target/AArch64/AArch64InstrInfo.td
    M llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
    M llvm/lib/Target/AArch64/SVEInstrFormats.td
    M llvm/test/MC/AArch64/SVE/compact-diagnostics.s
    M llvm/test/MC/AArch64/SVE/compact.s
    A llvm/test/MC/AArch64/SVE2p2/compact-diagnostics.s
    A llvm/test/MC/AArch64/SVE2p2/compact.s
    A llvm/test/MC/AArch64/SVE2p2/expand-diagnostics.s
    A llvm/test/MC/AArch64/SVE2p2/expand.s

  Log Message:
  -----------
  [AArch64] Add assembly/disassembly for SVE COMPACT (b/h) and EXPAND (#114053)

This patch adds assembly/disassembly support for the following SVE2.2
instructions

      - COMPACT (byte, halfword)
      - EXPAND

- Allow selection of `COMPACT` (word/halfword) in streaming mode if the
target has FEAT_SME2p2 (see [COMPACT ](
https://developer.arm.com/documentation/ddi0602/2024-09/SVE-Instructions/COMPACT--Copy-active-vector-elements-to-lower-numbered-elements-))
- Rename predicates guarding instructions that are illegal in streaming
SVE mode without FEAT_SME2p2
- In accordance with
https://developer.arm.com/documentation/ddi0602/2024-09/SVE-Instructions
Co-authored-by: Marian Lukac marian.lukac at arm.com



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