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Re: PATCH: Add pause intrinsic
On Thu, May 26, 2011 at 3:30 PM, Andrew Haley <aph@redhat.com> wrote:
> On 05/26/2011 10:34 AM, Richard Guenther wrote:
>
>>> Index: doc/extend.texi
>>> ===================================================================
>>> --- doc/extend.texi ? ? (revision 174216)
>>> +++ doc/extend.texi ? ? (working copy)
>>> @@ -8699,7 +8699,8 @@ The following built-in function is alway
>>>
>>> ?@table @code
>>> ?@item void __builtin_ia32_pause (void)
>>> -Generates the @code{pause} machine instruction with full memory barrier.
>>> +Generates the @code{pause} machine instruction with a compiler memory
>>> +barrier.
>>> ?@end table
>>
>> This isn't true. ?It is _not_ a compiler memory barrier.
>
> Please elucidate. ?Please suggest alternative wording.
+Generates the @code{pause} machine instruction.
Richard.
> Andrew.
>