> Build two executables, one with and one without optimisations, and > compare them. Also, running in emulators doesn't count. It has to be > real hardware. Ok, but which file types (codecs) should I use for test? Which decoders/encoders uses bswap_32/bswap_16/bswap_64 a lot? About a real hardware: that's not problem, I can send binaries to tester with 68060.