[PATCH] D99375: [PowerPC] Add ROP Protection Instructions for PowerPC

[Stefan Pintilie via Phabricator via llvm-commits]

stefanp created this revision.
stefanp added a reviewer: nemanjai.
Herald added subscribers: steven.zhang, shchenz, kbarton, hiraditya.
stefanp requested review of this revision.
Herald added a project: LLVM.

There are four new PowerPC instructions that are introduced in
Power 10. They are hashst, hashchk, hashstp, hashchkp.

These instructions will be used for ROP Protection.
This patch adds the four instructions.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D99375

Files:
  llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
  llvm/lib/Target/PowerPC/Disassembler/PPCDisassembler.cpp
  llvm/lib/Target/PowerPC/MCTargetDesc/PPCInstPrinter.cpp
  llvm/lib/Target/PowerPC/MCTargetDesc/PPCInstPrinter.h
  llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.cpp
  llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.h
  llvm/lib/Target/PowerPC/P9InstrResources.td
  llvm/lib/Target/PowerPC/PPCInstr64Bit.td
  llvm/lib/Target/PowerPC/PPCInstrFormats.td
  llvm/lib/Target/PowerPC/PPCInstrInfo.td
  llvm/test/MC/Disassembler/PowerPC/ppc64-encoding-ISA31.txt
  llvm/test/MC/PowerPC/ppc64-encoding-ISA31.s

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