[all-commits] [llvm/llvm-project] ca10da: [AArch64][llvm] Armv9.7-A: Add support for Virtual...

[Jonathan Thackray via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ca10dacf19d52cad8cbf6c4b5eb5dad0e265a704
      https://github.com/llvm/llvm-project/commit/ca10dacf19d52cad8cbf6c4b5eb5dad0e265a704
  Author: Jonathan Thackray <jonathan.thackray at arm.com>
  Date:   2025-10-23 (Thu, 23 Oct 2025)

  Changed paths:
    M clang/test/Driver/aarch64-v97a.c
    M clang/test/Driver/print-supported-extensions-aarch64.c
    M llvm/lib/Target/AArch64/AArch64Features.td
    M llvm/lib/Target/AArch64/AArch64InstrInfo.td
    M llvm/lib/Target/AArch64/AArch64SystemOperands.td
    M llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
    A llvm/test/MC/AArch64/armv9.7a-mtetc-diagnostics.s
    A llvm/test/MC/AArch64/armv9.7a-mtetc.s
    M llvm/unittests/TargetParser/TargetParserTest.cpp

  Log Message:
  -----------
  [AArch64][llvm] Armv9.7-A: Add support for Virtual Memory Tagging (FEAT_MTETC) (#163158)

Add the following instructions for `FEAT_MTETC`, which is a part of
`FEAT_VMTE` for Virtual Tagging:
  * `DC ZGBVA`
  * `DC GBVA`

as documented here:

  * https://developer.arm.com/documentation/ddi0602/2025-09/
  * https://developer.arm.com/documentation/109697/2025_09/2025-Architecture-Extensions



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