On Mon, 21 Jan 2008 13:25:49 -0500 Andrew Hutchinson <[EMAIL PROTECTED]> wrote:
> It is possible that you have optimization turned on - so gcc will put > variables into register. > > Or, perhaps your code has used variables it did not need and gcc will > optimise them away. > For example: > > int i > for (i=0;i<1000;i++); > > will dissappear. > > -O0 (or optimisation 0) will stop this but code will be huge. > > -O0 is ok for debugging, but for goodness sake use O2 or Os before > release. No attempt is made at O0 to > create anything pretty. > > -O3 and inline optimisation are very powerful and will rip out large > chunks of code that don't do anything. > > If you think thi is not the reason, post copy of code with problem > > Andy Ok, that was my problem. Thanks very much. -- Nunca confies en un S.O. del que no tienes código fuente ;-) -------------------------------- Javier Almansa Sobrino. Ingeniero Técnico en Informática de Sistemas. Grupo de Investigación ARCo. Escuela Superior de Informática. Ciudad Real Tel: (+34)926 29 53 00 Ext: 3705 _______________________________________________ AVR-GCC-list mailing list AVR-GCC-list@nongnu.org http://lists.nongnu.org/mailman/listinfo/avr-gcc-list
