[all-commits] [llvm/llvm-project] 00d98e: [AArch64] RME MEC instructions and system registers

[walkerkd via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 00d98e6572d1127a953757aee3adc14439645f56
      https://github.com/llvm/llvm-project/commit/00d98e6572d1127a953757aee3adc14439645f56
  Author: Keith Walker <keith.walker at arm.com>
  Date:   2022-11-10 (Thu, 10 Nov 2022)

  Changed paths:
    M llvm/docs/ReleaseNotes.rst
    M llvm/lib/Target/AArch64/AArch64.td
    M llvm/lib/Target/AArch64/AArch64SystemOperands.td
    M llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
    A llvm/test/MC/AArch64/armv9a-mec.s
    A llvm/test/MC/Disassembler/AArch64/armv9a-mec.txt

  Log Message:
  -----------
  [AArch64] RME MEC instructions and system registers

This patch adds assembler/disassembler support for
RME MEC (Memory Encryption Contexts).

Cache maintence instructions added:
- DC CIPAPA
- DC CIGDPAPA

System registers added:
- MECIDR_EL2
- MECID_P0_EL2
- MECID_A0_EL2
- MECID_P1_EL2
- MECID_A1_EL2
- VMECID_P_EL2
- VMECID_A_EL2
- MECID_RL_A_EL3

Differential Revision: https://reviews.llvm.org/D137431