[PATCH] D123515: [RISCV] Support '.option arch' directive

[luxufan via Phabricator via llvm-commits]

StephenFan updated this revision to Diff 432701.
StephenFan added a comment.

1. Use llvm::lower_bound to find corresponding featureKV
2. Check dependency when disable extensions
3. Delete TODO for support version number


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D123515/new/

https://reviews.llvm.org/D123515

Files:
  llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
  llvm/lib/Target/RISCV/MCTargetDesc/RISCVTargetStreamer.cpp
  llvm/lib/Target/RISCV/MCTargetDesc/RISCVTargetStreamer.h
  llvm/test/MC/RISCV/option-arch.s
  llvm/test/MC/RISCV/option-invalid.s

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