Re: Inline asm - unexpected optimization

[Segher Boessenkool <segher@xxxxxxxxxxxxxxxxxxx>]

> > The inlne asm has side effects you didn't report to gcc, so you  
> > need the
> > volatile here.
> OK thanks.  I guess there is no way to report this kind of side
> effect?  so you have to use volatile

That's exactly what volatile means: "this asm has some unspecified
side effect".


Segher