Function ReadILOperand

arch/arm64/il.cpp:361–396

static size_t ReadILOperand(LowLevelILFunction& il, InstructionOperand& operand, size_t resultSize)
{
	switch (operand.operandClass)
	{
	case IMM32:
	case IMM64:
		if (operand.shiftType != ShiftType_NONE && operand.shiftValue)
			return il.Const(resultSize, operand.immediate << operand.shiftValue);
		else
			return il.Const(resultSize, operand.immediate);
	case LABEL:
		return il.ConstPointer(8, operand.immediate);
	case REG:
		if (IS_ZERO_REG(operand.reg[0]))
			return il.Const(resultSize, 0);
		return GetShiftedRegister(il, operand, 0, resultSize);
	case MEM_REG:
		return il.Load(resultSize, il.Register(8, operand.reg[0]));
	case MEM_OFFSET:
		if (operand.immediate != 0)
			return il.Load(
			    resultSize, il.Add(8, il.Register(8, operand.reg[0]), il.Const(8, operand.immediate)));
		else
			return il.Load(resultSize, il.Register(8, operand.reg[0]));
	case MEM_EXTENDED:
		return il.Load(resultSize, GetILOperandEffectiveAddress(il, operand, resultSize, NONE, 0));
	case MEM_PRE_IDX:
	case MEM_POST_IDX:
	case MULTI_REG:
	case FIMM32:
		return GetFloat(il, operand, resultSize);
	case NONE:
	default:
		return il.Unimplemented();
	}
}

unsigned v_unpack_lookup_sz[15] = {0, 1, 2, 4, 8, 16, 1, 2, 4, 8, 1, 2, 4, 1, 1};