>the assembly listing is fresh each time I try. Are you sure? Try to add
static volatile uint8_t tmp2; tmp2 = __x; into clock_prescale_set() and check what happens with the asm listing. JW _______________________________________________ AVR-GCC-list mailing list AVR-GCC-list@nongnu.org https://lists.nongnu.org/mailman/listinfo/avr-gcc-list