Re: asm volatile("":::"memory) uncertainty.

[Tom Udale <tom@xxxxxxxxxxxx>]

Hi Andrew,

> It won't: GCC does not inspect asms to see if they do
> anything. Besides, if you are really worried about that
> you can put a "do nothing" comment into the asm.
>
> I think your reasoning about asm goto is sound.  The
> only real problem you'll have is that GCC will to
> remove statements which it knows have no side effects.
>
> Andrew.

Do you mean the asm statement itself?  Will the volatile not prevent 
that?  Or am I missing something else.


Best,

Tom