Method DefaultX87State

FEXCore/Source/Interface/Core/OpcodeDispatcher/Vector.cpp:2797–2808

}

void OpDispatchBuilder::DefaultX87State(OpcodeArgs) {
  // We can piggy-back on FNINIT's implementation, since
  // it performs the same behavior as required by XRSTOR for resetting flags
  FNINIT(Op);

  // On top of resetting the flags to a default state, we also need to clear
  // all of the ST0-7/MM0-7 registers to zero.
  Ref ZeroVector = LoadZeroVector(OpSize::i64Bit);
  for (uint32_t i = 0; i < Core::CPUState::NUM_MMS; ++i) {
    StoreContext(MM0Index + i, ZeroVector);
  }
}

void OpDispatchBuilder::DefaultSSEState() {
  const auto NumRegs = Is64BitMode ? 16U : 8U;