[PATCH] D138553: [AArch64] Add Missing System Registers

[Sam Elliott via Phabricator via llvm-commits]

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The following system registers have been missing upstream:

- ID_DFR1_EL1
- AMCG1IDR_EL0 (present when FEAT_AMUv1p1 implemented - optional from v8.6-a)
- HAFGRTR_EL2 (present when FEAT_AMUv1 and FEAT_FGT are implemented)

With regards to HAFGRTR_EL2, this is only present when you have both
extensions. As FEAT_FGT is part of a later architecture, we group it
with those registers. In all honesty, this is a good example of the
kinds of place where just enabling all system registers all the time
would be easiest.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D138553

Files:
  llvm/lib/Target/AArch64/AArch64SystemOperands.td
  llvm/test/MC/AArch64/arm64-system-encoding.s
  llvm/test/MC/AArch64/armv8.6a-amvs.s
  llvm/test/MC/AArch64/armv8.6a-fgt.s
  llvm/test/MC/AArch64/basic-a64-diagnostics.s
  llvm/test/MC/AArch64/basic-a64-instructions.s
  llvm/test/MC/Disassembler/AArch64/armv8.6a-amvs.s
  llvm/test/MC/Disassembler/AArch64/armv8.6a-fgt.txt
  llvm/test/MC/Disassembler/AArch64/basic-a64-instructions.txt

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