RE: [avr-gcc-list] avr-gcc: -O3 and __attribute__((naked)) doesn't worktogether

[Weddington, Eric]

Do you have a small test case that shows the problem? That would be very 
helpful.

Thanks,
Eric

> -----Original Message-----
> From: 
> address@hidden 
> [mailto:address@hidden
> org] On Behalf Of Lin Nan
> Sent: Saturday, November 22, 2008 6:06 AM
> To: address@hidden
> Subject: [avr-gcc-list] avr-gcc: -O3 and 
> __attribute__((naked)) doesn't worktogether
> 
> I wonder if it is a bug. 
> 
> Naked functions are return with asm volatile("ret"). But when 
> compiled with -O3 (which turns on -finline-function), and the 
> naked function is inlined, the 'ret' opcode is copied from 
> the naked function to the calling function which returns the 
> calling function. 
> 
> I wonder what is the proper way to solve this problem, or I 
> just use -fno-inline-functions to disable this feature. 
> 
>