Re: linux says it is a bug

[lin zuojian]

On Wed, Mar 05, 2014 at 10:39:51AM +0400, Yury Gribov wrote:
> >What is volatile instructions? Can you give us an example?
> 
> Check volatile_insn_p. AFAIK there are two classes of volatile instructions:
> * volatile asm
> * unspec volatiles (target-specific instructions for e.g. protecting
> function prologues)
> 
> -Y
Thanks.