Re: [avr-gcc-list] What has changed between WinAVR 20070525rc2 andWinAVR 20080430?

[Anatoly Sokolov]

Hello.

> 
> The unit has a bit mapped display.  With 4.3.0 I have random pixels
> that I don't have with 4.1.2, which probably indicates that I have
> something marginal in my display driver timing.  When I assert INT0
> the unit eventually locks up with 4.3.0, but not with 4.1.2.
> All rather vague descriptions, I know...
> 

 avr-gcc 4.3 don't save all call-used registers in interrupt handler routine
if it do function call, but should. It is in you ISR is function calls? 

Anatoly.