Re: [boost] Re: Lock-free shared_ptr on g++/x86, test/review needed

From: Peter Dimov (pdimov_at_[hidden])
Date: 2005-04-04 17:45:41

Peter Dimov wrote:
> Peter Dimov wrote:
>> Robert Zeh wrote:
>>> /home/razeh/boost/boost/detail/sp_counted_base_gcc_x86.hpp:91:
>>> error: impossible constraint in `asm'
>>
>> The compiler could have told us which constraint is impossible ;-)
>>
>> I'll try to update my cygwin g++ to 3.4; apparently, the new backend
>> is less forgiving.
>
> It works with -O1, -O2, -O3, but fails with -O0. Argh.

Sorry for the noise. The attached should work. I even enabled it in 
sp_counted_base.