@Override
	public String getMnemonicString() {
		validate(lock);
		String curMnemonic = mnemonicString;
		if (curMnemonic != null) {
			return curMnemonic;
		}
		lock.acquire();
		try {
			checkIsValid();
			mnemonicString = proto.getMnemonic(this);
			return mnemonicString;
		}
		finally {
			lock.release();
		}
	}
Get the original context used to establish the shared prototype
@param baseContextReg is a context register
@return prototype context value
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/code/InstructionDB.java