On 05/26/2011 02:51 PM, Richard Guenther wrote:
> On Thu, May 26, 2011 at 3:30 PM, Andrew Haley <a...@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.
But that's missing the fact that it generates a compiler memory barrier,
which is important. And if you think it's not a compiler memory barrier,
please explain
a. Why it's not a compiler memory barrier,
b. What you'd call it.
Andrew.
