[all-commits] [llvm/llvm-project] a21c55: [RISCV] Remove Zbproposedc extension

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a21c557955c6ea5cd02b9a145ad6469c608446c7
      https://github.com/llvm/llvm-project/commit/a21c557955c6ea5cd02b9a145ad6469c608446c7
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2021-09-30 (Thu, 30 Sep 2021)

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

  Log Message:
  -----------
  [RISCV] Remove Zbproposedc extension

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.

Differential Revision: https://reviews.llvm.org/D110871