On Tue, 27 Oct 2009 20:17:46 +0100 (MET) j...@uriah.heep.sax.de (Joerg Wunsch) wrote:
> How did you verify it? First I can't see the pulse on the oscilloscope ;-) Than I had a look in the list file. > I don't believe the compiler removed the code. (If you really think > it does, please supply a compilable code example.) Give me some time. I try to put it in a simple snippet. Is it OK to attach it as tgz to this mailing list? > However, the > optimized code will just toggle the pin for a single CPU cycles only, > while the pin will stay a little longer at high in the non-optimized > example. So if your oscilloscope is too slow, you might not notice > the pin actually becoming high for one clock period. Tektroniks TDS784 with 4GS/s ;-) -- Email: Joerg Desch <jd DOT vvd AT web DOT de> _______________________________________________ AVR-GCC-list mailing list AVR-GCC-list@nongnu.org http://lists.nongnu.org/mailman/listinfo/avr-gcc-list
