Re: [avr-gcc-list] Feature request - compiler warning for "if" stmts that do nothing

[Joerg Wunsch]

"Dave Hylands" <address@hidden> wrote:

> It still doesn't warn about while/for loops that are similar:
> 
>       while ( conition );

Loops of this kind are often used as spin-loops:

        while ((SPSR & (1 << SPIF)) == 0)
                ;

Warning on this would be a bit wasteful.

-- 
J"org Wunsch                                           Unix support engineer
address@hidden        http://www.interface-systems.de/~j/