[PATCH] D139936: [AArch64] RASv2 Assembly Support

[Sam Elliott via Phabricator via llvm-commits]

lenary created this revision.
Herald added subscribers: hiraditya, kristof.beyls.
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lenary requested review of this revision.
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This feature adds upstream support for FEAT_RASv2 and FEAT_PFAR. Both
are system-register-only, but FEAT_RAS is behind the command-line
extension "+ras", so FEAT_RASv2 is behind "+rasv2".

This patch includes support for ID_AA64MMFR4_EL1. This is an ID system
register so it is not behind any feature flags.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D139936

Files:
  llvm/include/llvm/Support/AArch64TargetParser.def
  llvm/include/llvm/Support/AArch64TargetParser.h
  llvm/lib/Target/AArch64/AArch64.td
  llvm/lib/Target/AArch64/AArch64SystemOperands.td
  llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
  llvm/test/MC/AArch64/arm64-system-encoding.s
  llvm/test/MC/AArch64/armv8.9a-pfar.s
  llvm/test/MC/AArch64/armv8.9a-rasv2-error.s
  llvm/test/MC/AArch64/armv8.9a-rasv2.s
  llvm/test/MC/AArch64/armv9a-rme.s
  llvm/test/MC/AArch64/basic-a64-diagnostics.s
  llvm/test/MC/AArch64/basic-a64-instructions.s
  llvm/test/MC/AArch64/directive-arch_extension-negative.s
  llvm/test/MC/AArch64/directive-arch_extension.s
  llvm/test/MC/Disassembler/AArch64/armv8.9a-pfar.txt
  llvm/test/MC/Disassembler/AArch64/armv8.9a-rasv2.txt
  llvm/test/MC/Disassembler/AArch64/armv9a-rme.txt
  llvm/test/MC/Disassembler/AArch64/basic-a64-instructions.txt
  llvm/unittests/Support/TargetParserTest.cpp

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