[PATCH] D110871: [RISCV] Remove rvbproposedc extension

[Craig Topper via Phabricator via cfe-commits]

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This consists of 3 compressed instructions, c.not, c.neg, and c.zext.w. I believe these have been picked up by the Zce effort using different encodings. I don't think it makes sense to keep them in bitmanip. It will eventually cause a conflict if/when Zce is implemented in llvm.


https://reviews.llvm.org/D110871

Files:
  clang/lib/Basic/Targets/RISCV.cpp
  clang/lib/Basic/Targets/RISCV.h
  clang/lib/Driver/ToolChains/Arch/RISCV.cpp
  clang/test/Preprocessor/riscv-target-features.c
  llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
  llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp
  llvm/lib/Target/RISCV/MCTargetDesc/RISCVTargetStreamer.cpp
  llvm/lib/Target/RISCV/RISCV.td
  llvm/lib/Target/RISCV/RISCVInstrInfoB.td
  llvm/lib/Target/RISCV/RISCVSubtarget.h
  llvm/test/CodeGen/RISCV/attributes.ll
  llvm/test/MC/RISCV/attribute-arch.s
  llvm/test/MC/RISCV/compress-rv32b.s
  llvm/test/MC/RISCV/compress-rv64b.s
  llvm/test/MC/RISCV/rv32zbproposedc-invalid.s
  llvm/test/MC/RISCV/rv32zbproposedc-valid.s
  llvm/test/MC/RISCV/rv64zbproposedc-invalid.s
  llvm/test/MC/RISCV/rv64zbproposedc-valid.s

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