r184171 - in /trunk/libstdc++-v3: ChangeLog inc...

Mon Feb 13 21:30:00 GMT 2012

Author: rth
Date: Mon Feb 13 21:30:31 2012
New Revision: 184171

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184171
Log:
PR libstdc++/51798 continued
	* include/bits/shared_ptr_base.h
	(_Sp_counted_base<_S_atomic>::_M_add_ref_lock): Hoist initial load
	outside compare_exchange loop.
	* include/tr1/shared_ptr.h: Same.
	* include/parallel/compatibility.h (__compare_and_swap_32): Use strong
	version of compare_exchange.
	(__compare_and_swap_64): Same.
	* include/profile/impl/profiler_state.h (__gnu_profile::__turn): Same.
	* libsupc++/guard.cc (__cxa_guard_acquire): Same.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/shared_ptr_base.h
    trunk/libstdc++-v3/include/parallel/compatibility.h
    trunk/libstdc++-v3/include/profile/impl/profiler_state.h
    trunk/libstdc++-v3/include/tr1/shared_ptr.h
    trunk/libstdc++-v3/libsupc++/guard.cc