On 11/29/2012 01:18 PM, Andi Kleen wrote:
> 
> Can you quote it from the manual? As I understand volatile as usual
> is not clearly defined. 
> 
> gcc has a lot of optimization passes and volatile bugs are common.
> 

I talked it over with H.J. and we walked through the code.  The
documentation is lacking, of course, as is common with gcc.

However, that piece was pretty clear.

        -hpa

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