[RFA] Using the new atomicity builtins

[Peter Dimov]

Paolo Carlini wrote:
> Hi Peter,
> 
>>> now that RTH kindly implemented the atomicity builtins + target bits
>>> for most of the most widespread targets (I remember at least
>>> x86(x86_64), ia64, powerpc, alpha), I think we can start migrating.
>> 
>> Where can I read more about these builtins?
> 
> You can start from here:
> 
>    http://gcc.gnu.org/ml/gcc-patches/2005-04/msg00915.html
> 
> then many more patches during the month of April, all with "atomic" in
> subject. Ah, I was wrong about powerpc: Geoff Keating did the powerpc
> bits.

Thanks. This looks promising (if overly fenced). Is it going to be in 4.1?