[PATCH] D132819: [RISCV] Add MC support of RISCV zcmp Extension

[Xinlong Wu via Phabricator via llvm-commits]

VincentWu created this revision.
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This patch add the instructions of zcmp extension.

Instructions in zcmp extension try to optimise `mv` inst and the prologue & epilogue in functions


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D132819

Files:
  llvm/lib/Support/RISCVISAInfo.cpp
  llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
  llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp
  llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.cpp
  llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h
  llvm/lib/Target/RISCV/MCTargetDesc/RISCVInstPrinter.cpp
  llvm/lib/Target/RISCV/MCTargetDesc/RISCVInstPrinter.h
  llvm/lib/Target/RISCV/MCTargetDesc/RISCVMCCodeEmitter.cpp
  llvm/lib/Target/RISCV/RISCV.td
  llvm/lib/Target/RISCV/RISCVFrameLowering.h
  llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
  llvm/lib/Target/RISCV/RISCVInstrInfo.h
  llvm/lib/Target/RISCV/RISCVInstrInfoZc.td
  llvm/lib/Target/RISCV/RISCVRegisterInfo.td
  llvm/lib/Target/RISCV/RISCVSubtarget.h
  llvm/test/MC/RISCV/attribute-arch.s
  llvm/test/MC/RISCV/rv32zcmp-Invalid.s
  llvm/test/MC/RISCV/rv32zcmp-valid.s
  llvm/test/MC/RISCV/rv64zcmp-Invalid.s
  llvm/test/MC/RISCV/rv64zcmp-valid.s

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