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

From: Robert Zeh (razeh_at_[hidden])
Date: 2005-04-05 09:48:12

"Peter Dimov" <pdimov_at_[hidden]> writes:

> 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.

Now I get the following (gcc 3.4.3)

razeh_at_lb1:/home/host/razeh$ cd /home/razeh/boost/libs/smart_ptr/test/
razeh_at_lb1:/home/razeh/boost/libs/smart_ptr/test$ bjam
...found 335 targets...
...updating 31 targets...
gcc-Link-action ../../../bin/boost/libs/smart_ptr/test/lw_mutex_test.test/gcc/debug/lw_mutex_test
Chmod1 ../../../bin/boost/libs/smart_ptr/test/lw_mutex_test.test/gcc/debug/lw_mutex_test
gcc-Link-action ../../../bin/boost/libs/smart_ptr/test/atomic_count_test.test/gcc/debug/atomic_count_test
Chmod1 ../../../bin/boost/libs/smart_ptr/test/atomic_count_test.test/gcc/debug/atomic_count_test
gcc-Link-action ../../../bin/boost/libs/smart_ptr/test/intrusive_ptr_test.test/gcc/debug/intrusive_ptr_test
Chmod1 ../../../bin/boost/libs/smart_ptr/test/intrusive_ptr_test.test/gcc/debug/intrusive_ptr_test
gcc-Link-action ../../../bin/boost/libs/smart_ptr/test/get_deleter_test.test/gcc/debug/get_deleter_test
Chmod1 ../../../bin/boost/libs/smart_ptr/test/get_deleter_test.test/gcc/debug/get_deleter_test
gcc-C++-action ../../../bin/boost/libs/smart_ptr/test/shared_from_this_test.test/gcc/debug/shared_from_this_test.o
/home/razeh/boost/boost/detail/sp_counted_base_gcc_x86.hpp: In function `long int boost::detail::atomic_conditional_increment(long int*)':
/home/razeh/boost/boost/detail/sp_counted_base_gcc_x86.hpp:94:   instantiated from `boost::shared_ptr<T>::shared_ptr(const boost::weak_ptr<Y>&) [with Y = V, T = V]'
/home/razeh/boost/boost/enable_shared_from_this.hpp:49:   instantiated from `boost::shared_ptr<T> boost::enable_shared_from_this<T>::shared_from_this() [with T = V]'
../../../libs/smart_ptr/test/shared_from_this_test.cpp:129:   instantiated from here
/home/razeh/boost/boost/detail/sp_counted_base_gcc_x86.hpp:91: error: impossible constraint in `asm'

    set -e 
    "g++"   -c -Wall -ftemplate-depth-255   -g -O0 -fno-inline  -Wno-non-virtual-dtor  -I"../../../bin/boost/libs/smart_ptr/test"   -I "/home/razeh/boost"  -o "../../../bin/boost/libs/smart_ptr/test/shared_from_this_test.test/gcc/debug/shared_from_this_test.o"  "../../../libs/smart_ptr/test/shared_from_this_test.cpp" 
    "/usr/bin/objcopy" --set-section-flags .debug_str=contents,debug "../../../bin/boost/libs/smart_ptr/test/shared_from_this_test.test/gcc/debug/shared_from_this_test.o" 

...failed gcc-C++-action ../../../bin/boost/libs/smart_ptr/test/shared_from_this_test.test/gcc/debug/shared_from_this_test.o...
...skipped <@boost!libs!smart_ptr!test/shared_from_this_test.test/gcc/debug>shared_from_this_test for lack of <@boost!libs!smart_ptr!test/shared_from_this_test.test/gcc/debug>shared_from_this_test.o...
gcc-C++-action ../../../bin/boost/libs/smart_ptr/test/weak_ptr_test.test/gcc/debug/weak_ptr_test.o
/home/razeh/boost/boost/detail/sp_counted_base_gcc_x86.hpp: In function `long int boost::detail::atomic_conditional_increment(long int*)':
/home/razeh/boost/boost/detail/sp_counted_base_gcc_x86.hpp:94:   instantiated from `boost::shared_ptr<T>::shared_ptr(const boost::weak_ptr<Y>&) [with Y = int, T = int]'
../../../libs/smart_ptr/test/weak_ptr_test.cpp:113:   instantiated from here
/home/razeh/boost/boost/detail/sp_counted_base_gcc_x86.hpp:91: error: impossible constraint in `asm'

    set -e 
    "g++"   -c -Wall -ftemplate-depth-255   -g -O0 -fno-inline   -I"../../../bin/boost/libs/smart_ptr/test"   -I "/home/razeh/boost"  -o "../../../bin/boost/libs/smart_ptr/test/weak_ptr_test.test/gcc/debug/weak_ptr_test.o"  "../../../libs/smart_ptr/test/weak_ptr_test.cpp" 
    "/usr/bin/objcopy" --set-section-flags .debug_str=contents,debug "../../../bin/boost/libs/smart_ptr/test/weak_ptr_test.test/gcc/debug/weak_ptr_test.o" 

...failed gcc-C++-action ../../../bin/boost/libs/smart_ptr/test/weak_ptr_test.test/gcc/debug/weak_ptr_test.o...
...skipped <@boost!libs!smart_ptr!test/weak_ptr_test.test/gcc/debug>weak_ptr_test for lack of <@boost!libs!smart_ptr!test/weak_ptr_test.test/gcc/debug>weak_ptr_test.o...
gcc-C++-action ../../../bin/boost/libs/smart_ptr/test/shared_ptr_test.test/gcc/debug/shared_ptr_test.o
/home/razeh/boost/boost/detail/sp_counted_base_gcc_x86.hpp: In function `long int boost::detail::atomic_conditional_increment(long int*)':
/home/razeh/boost/boost/detail/sp_counted_base_gcc_x86.hpp:94:   instantiated from `boost::shared_ptr<T>::shared_ptr(const boost::weak_ptr<Y>&) [with Y = n_constructors::Y, T = n_constructors::Y]'
../../../libs/smart_ptr/test/shared_ptr_test.cpp:763:   instantiated from here
/home/razeh/boost/boost/detail/sp_counted_base_gcc_x86.hpp:91: error: impossible constraint in `asm'

    set -e 
    "g++"   -c -Wall -ftemplate-depth-255   -g -O0 -fno-inline  -Wno-non-virtual-dtor  -I"../../../bin/boost/libs/smart_ptr/test"   -I "/home/razeh/boost"  -o "../../../bin/boost/libs/smart_ptr/test/shared_ptr_test.test/gcc/debug/shared_ptr_test.o"  "../../../libs/smart_ptr/test/shared_ptr_test.cpp" 
    "/usr/bin/objcopy" --set-section-flags .debug_str=contents,debug "../../../bin/boost/libs/smart_ptr/test/shared_ptr_test.test/gcc/debug/shared_ptr_test.o" 

...failed gcc-C++-action ../../../bin/boost/libs/smart_ptr/test/shared_ptr_test.test/gcc/debug/shared_ptr_test.o...
...skipped <@boost!libs!smart_ptr!test/shared_ptr_test.test/gcc/debug>shared_ptr_test for lack of <@boost!libs!smart_ptr!test/shared_ptr_test.test/gcc/debug>shared_ptr_test.o...
gcc-C++-action ../../../bin/boost/libs/smart_ptr/test/shared_ptr_basic_test.test/gcc/debug/shared_ptr_basic_test.o
/home/razeh/boost/boost/detail/sp_counted_base_gcc_x86.hpp: In function `long int boost::detail::atomic_conditional_increment(long int*)':
/home/razeh/boost/boost/detail/sp_counted_base_gcc_x86.hpp:94:   instantiated from `boost::shared_ptr<T>::shared_ptr(const boost::weak_ptr<Y>&) [with Y = X, T = X]'
../../../libs/smart_ptr/test/shared_ptr_basic_test.cpp:234:   instantiated from here
/home/razeh/boost/boost/detail/sp_counted_base_gcc_x86.hpp:91: error: impossible constraint in `asm'

    set -e 
    "g++"   -c -Wall -ftemplate-depth-255   -g -O0 -fno-inline  -Wno-non-virtual-dtor  -I"../../../bin/boost/libs/smart_ptr/test"   -I "/home/razeh/boost"  -o "../../../bin/boost/libs/smart_ptr/test/shared_ptr_basic_test.test/gcc/debug/shared_ptr_basic_test.o"  "../../../libs/smart_ptr/test/shared_ptr_basic_test.cpp" 
    "/usr/bin/objcopy" --set-section-flags .debug_str=contents,debug "../../../bin/boost/libs/smart_ptr/test/shared_ptr_basic_test.test/gcc/debug/shared_ptr_basic_test.o" 

...failed gcc-C++-action ../../../bin/boost/libs/smart_ptr/test/shared_ptr_basic_test.test/gcc/debug/shared_ptr_basic_test.o...
...skipped <@boost!libs!smart_ptr!test/shared_ptr_basic_test.test/gcc/debug>shared_ptr_basic_test for lack of <@boost!libs!smart_ptr!test/shared_ptr_basic_test.test/gcc/debug>shared_ptr_basic_test.o...
gcc-Link-action ../../../bin/boost/libs/smart_ptr/test/smart_ptr_test.test/gcc/debug/smart_ptr_test
Chmod1 ../../../bin/boost/libs/smart_ptr/test/smart_ptr_test.test/gcc/debug/smart_ptr_test
execute-test ../../../bin/boost/libs/smart_ptr/test/smart_ptr_test.test/gcc/debug/smart_ptr_test.run
**passed** ../../../bin/boost/libs/smart_ptr/test/smart_ptr_test.test/gcc/debug/smart_ptr_test.test
...skipped <@boost!libs!smart_ptr!test/shared_ptr_basic_test.test/gcc/debug>shared_ptr_basic_test.run for lack of <@boost!libs!smart_ptr!test/shared_ptr_basic_test.test/gcc/debug>shared_ptr_basic_test...
...skipped <@boost!libs!smart_ptr!test/shared_ptr_test.test/gcc/debug>shared_ptr_test.run for lack of <@boost!libs!smart_ptr!test/shared_ptr_test.test/gcc/debug>shared_ptr_test...
...skipped <@boost!libs!smart_ptr!test/weak_ptr_test.test/gcc/debug>weak_ptr_test.run for lack of <@boost!libs!smart_ptr!test/weak_ptr_test.test/gcc/debug>weak_ptr_test...
...skipped <@boost!libs!smart_ptr!test/shared_from_this_test.test/gcc/debug>shared_from_this_test.run for lack of <@boost!libs!smart_ptr!test/shared_from_this_test.test/gcc/debug>shared_from_this_test...
execute-test ../../../bin/boost/libs/smart_ptr/test/get_deleter_test.test/gcc/debug/get_deleter_test.run
**passed** ../../../bin/boost/libs/smart_ptr/test/get_deleter_test.test/gcc/debug/get_deleter_test.test
execute-test ../../../bin/boost/libs/smart_ptr/test/intrusive_ptr_test.test/gcc/debug/intrusive_ptr_test.run
**passed** ../../../bin/boost/libs/smart_ptr/test/intrusive_ptr_test.test/gcc/debug/intrusive_ptr_test.test
execute-test ../../../bin/boost/libs/smart_ptr/test/atomic_count_test.test/gcc/debug/atomic_count_test.run
**passed** ../../../bin/boost/libs/smart_ptr/test/atomic_count_test.test/gcc/debug/atomic_count_test.test
execute-test ../../../bin/boost/libs/smart_ptr/test/lw_mutex_test.test/gcc/debug/lw_mutex_test.run
**passed** ../../../bin/boost/libs/smart_ptr/test/lw_mutex_test.test/gcc/debug/lw_mutex_test.test
...failed updating 4 targets...
...skipped 12 targets...
...updated 15 targets...
razeh_at_lb1:/home/razeh/boost/libs/smart_ptr/test$