Those instructions are written in a synthetic language that humans can read and write; humans not computers. Computers don't understand "computer languages", they are just translate them into a machine code that they do understand.
It's debatable whether the primary purpose of "computer languages" is to communicate with the computer. You often use them to communicate with other people who are trying to communicate with the computer.
If you look at all the many and various arguments about the virtues of this or that computer "language", very few of them revolve around whether the compiler will be able to understand what you're saying.