message: Return 64-bit integer from getImmediate
diff: namespace Ripes {
  namespace Assembler {
  -inline int getImmediate(const QString& string, bool& canConvert) {
  +inline int64_t getImmediate(const QString& string, bool& canConvert) {
  QString upperString = string.toUpper();
  canConvert = false;
  - int immediate = upperString.toInt(&canConvert, 10);
  - int sign = 1;
  + int64_t immediate = upperString.toLongLong(&canConvert, 10);
  + int64_t sign = 1;
  if (!canConvert) {
  // Could not convert directly to integer - try hex or bin. Here, extra care is taken to account for a
  // potential sign, and include this is the range validation
  @@ -22,9 +22,9 @@ inline int getImmediate(const QString& string, bool& canConvert) {
  upperString.remove(0, 1);
  }
  if (upperString.startsWith(QLatin1String("0X"))) {
  - immediate = upperString.remove("0X").toUInt(&canConvert, 16);
  + immediate = upperString.remove("0X").toULongLong(&canConvert, 16);
  } else if (upperString.startsWith(QLatin1String("0B"))) {
  - immediate = upperString.remove("0B").toUInt(&canConvert, 2);
  + immediate = upperString.remove("0B").toULongLong(&canConvert, 2);
  } else {
  canConvert = false;
  }
  