[zeromq-dev] Pull request on atomic ops

Martin Sustrik sustrik at 250bpm.com
Tue May 11 09:59:08 CEST 2010

Mato, Steven,

The rule of the thumb should be: Let it work on as many systems as 
possible -- even with performance penalty.

Performance penalty is better than not being able to use it at all.

Once, gcc folks fix the problem, we re-apply the patch.


Steven McCoy wrote:
> On 11 May 2010 01:04, Martin Lucina <mato at kotelna.sk 
> <mailto:mato at kotelna.sk>> wrote:
>     This is because GCC on ARM does not implement these builtins.  For
>     details
>     please refer to my detailed write up on this subject here:
> This only a temporary issue for ARM, post implementation this would be 
> moot?  Therefore it would be better adding a separate fall back for ARM 
> rather than promoting it as a primary option.
> C++0x includes atomic ops which is why GCC includes the intrinsic API.
> http://gcc.gnu.org/wiki/Atomic
> -- 
> Steve-o
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