basic asm and memory clobbers

[Paul_Koning@Dell.com]

> On Nov 20, 2015, at 1:24 PM, Jeff Law <law@redhat.com> wrote:
> 
> On 11/20/2015 06:05 AM, Richard Henderson wrote:
> 
>> ...
>> It seems to me that it would be better to remove the feature, forcing
>> what must be an extremely small number of users to audit and update to
>> extended asm.
> That might be a little drastic.  Though if we want to go this direction, the first step is to deprecate for a major release cycle.  It would be interesting to see how much stuff would complain/break.

I would expect: a lot.  I've seen plenty of people writing asm statements (in small quantities, admittedly) who have never heard of extended asm.

	paul