linux says it is a bug

[Paul_Koning@Dell.com]

On Mar 4, 2014, at 2:30 PM, Richard Henderson <rth@redhat.com> wrote:

> On 03/04/2014 01:23 AM, Richard Biener wrote:
>> Doesn't sound like a bug but a feature.  We can move
>> asm ("" : : : "memory") around freely up to the next/previous
>> instruction involving memory.
> 
> Asms without outputs are automatically volatile.  So there ought be zero change
> with and without the explicit use of the __volatile__ keyword.

That’s what the documentation says but it wasn’t actually true as of a couple of releases ago, as I recall.

	paul