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Re: PATCH: Add pause intrinsic
On Wed, May 25, 2011 at 5:09 PM, Andrew Haley <aph@redhat.com> wrote:
> On 05/25/2011 03:57 PM, Richard Guenther wrote:
>>
>> asm volatile ("" : : : "memory") in fact will work as a full memory barrier
>
> How? ?You surely need MFENCE or somesuch, unless all you
> care about is a compiler barrier. ?That's what I think needs
> to be clarified.
Well, yes, I'm talking about the compiler memory barrier.
Richard.
> Andrew.
>