[PATCH] D115921: [RISCV] Refactor the RISCV ISA extension info and target features to support multiple extension version

[Zixuan Wu via Phabricator via llvm-commits]

zixuan-wu updated this revision to Diff 396148.

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D115921/new/

https://reviews.llvm.org/D115921

Files:
  clang/lib/Basic/Targets/RISCV.cpp
  clang/lib/Driver/ToolChains/Arch/RISCV.cpp
  clang/test/Driver/riscv-arch-version.c
  llvm/include/llvm/Support/RISCVISAInfo.h
  llvm/lib/Object/ELFObjectFile.cpp
  llvm/lib/Support/RISCVISAInfo.cpp
  llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
  llvm/lib/Target/RISCV/RISCV.td
  llvm/lib/Target/RISCV/RISCVSubtarget.h
  llvm/test/CodeGen/RISCV/attributes-version.ll
  llvm/test/tools/llvm-objdump/ELF/RISCV/unknown-arch-attr.test

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