[all-commits] [llvm/llvm-project] 42c36d: [RISCV] Add MC support of RISCV Zcb Extension

[VincentWu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 42c36da9c99b84ca7bc843a27ff0da29f5bf8a74
      https://github.com/llvm/llvm-project/commit/42c36da9c99b84ca7bc843a27ff0da29f5bf8a74
  Author: WuXinlong <821408745 at qq.com>
  Date:   2023-01-26 (Thu, 26 Jan 2023)

  Changed paths:
    M clang/test/Preprocessor/riscv-target-features.c
    M llvm/docs/RISCVUsage.rst
    M llvm/docs/ReleaseNotes.rst
    M llvm/lib/Support/RISCVISAInfo.cpp
    M llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
    M llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h
    M llvm/lib/Target/RISCV/RISCVFeatures.td
    M llvm/lib/Target/RISCV/RISCVInstrFormats.td
    M llvm/lib/Target/RISCV/RISCVInstrFormatsC.td
    M llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
    M llvm/lib/Target/RISCV/RISCVInstrInfo.td
    A llvm/lib/Target/RISCV/RISCVInstrInfoZc.td
    M llvm/test/CodeGen/RISCV/attributes.ll
    M llvm/test/MC/RISCV/attribute-arch.s
    A llvm/test/MC/RISCV/rv32zcb-invalid.s
    A llvm/test/MC/RISCV/rv32zcb-valid.s
    A llvm/test/MC/RISCV/rv64zcb-valid.s

  Log Message:
  -----------
  [RISCV] Add MC support of RISCV Zcb Extension

This patch add the instructions of Zcb extension.

Instructions in zcb extensions shorten part of bit manipulation instructions.

Co-authored-by: Craig Topper <craig.topper at sifive.com>

Reviewed By: craig.topper

Differential Revision: https://reviews.llvm.org/D131141