You can't be serious, >>40.
Why are you using GCC then? For that matter, why are you using a compiler at all? Hand-compile it!
Machines are good at precision. Humans aren't. You are a complete and utter idiot if that's the reason you don't make use of the tools available to you. You're not a superhuman omniscient entity, regardless of your ego.
Do you believe profilers, debuggers, tests and QA aren't for Real Manly Man Programmers too?