[PATCH] D60063: [AArch64] Add v8.5-a Memory Tagging GMID_EL1 register

[David Spickett via Phabricator via llvm-commits]

DavidSpickett created this revision.
Herald added subscribers: llvm-commits, kristof.beyls, javed.absar.
Herald added a project: LLVM.

The latest version of the MTE spec added a system
register 'GMID_EL1'. It contains the block size used
by the LDGM and STGM instructions and is read only.

The specification can be found here:
https://developer.arm.com/docs/ddi0596/c


Repository:
  rL LLVM

https://reviews.llvm.org/D60063

Files:
  lib/Target/AArch64/AArch64SystemOperands.td
  test/MC/AArch64/armv8.5a-mte-error.s
  test/MC/AArch64/armv8.5a-mte.s
  test/MC/Disassembler/AArch64/armv8.5a-mte.txt

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