Re: [avr-gcc-list] PORTC

[Paulo Marques]

Quoting Andi <address@hidden>:
> Hi,

Hi,

> I have a program for atmega8 and the program is working well when I 
> compile it using WinAVR-20040404-bin-install.exe.
> But when I compile it using  WinAVR-20071221-install.exe  the program 
> isn't working anymore.
> And I found something, the compiler didn't the code to set and clear PORTC.
> I had tried using PORTC |= (1<<n) and PORTC &= ~(1<<n) but still the 
> compiler won't compile it.
>
> Is it a bug ? Or , do I miss something ?

It is hard to tell without knowing the rest of the code. If that 
snippet is in a static function that is not called from anywhere, the 
compiler is free to just drop it. Preferably provide a compilable small 
example, so that others can compile the same test and see what is going 
on.

--
Paulo Marques


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