[all-commits] [llvm/llvm-project] f28cb0: [PowerPC] Add ROP Protection Instructions for PowerPC

[stefanp-ibm via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f28cb01be071a52e817c8ba84a5ef503a614b86e
      https://github.com/llvm/llvm-project/commit/f28cb01be071a52e817c8ba84a5ef503a614b86e
  Author: Stefan Pintilie <stefanp at ca.ibm.com>
  Date:   2021-04-15 (Thu, 15 Apr 2021)

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

  Log Message:
  -----------
  [PowerPC] Add ROP Protection Instructions for PowerPC

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.

Reviewed By: nemanjai, amyk, #powerpc

Differential Revision: https://reviews.llvm.org/D99375