r183582 - in /trunk/libstdc++-v3: ChangeLog inc...

[rth@gcc.gnu.org]

Author: rth
Date: Thu Jan 26 21:50:52 2012
New Revision: 183582

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183582
Log:
libstdc++: Use __GCC_ATOMIC_TEST_AND_SET in atomic_flag.

        * include/bits/atomic_base.h (__atomic_flag_base): Define _M_i
        based on the value of __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
        (ATOMIC_FLAG_INIT): Initialize with 0, not false.
        (atomic_flag::atomic_flag): Use __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/atomic_base.h