[Bug libstdc++/54861] std::atomic_signal_fence(std::memory_order_seq_cst) issues unnecessary mfence
amacleod at redhat dot com
gcc-bugzilla@gcc.gnu.org
Tue Oct 9 18:40:00 GMT 2012
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54861
--- Comment #2 from Andrew Macleod <amacleod at redhat dot com> 2012-10-09 18:40:16 UTC ---
Author: amacleod
Date: Tue Oct 9 18:40:02 2012
New Revision: 192268
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192268
Log:
2012-10-09 Andrew MacLeod <amacleod@redhat.com>
PR libstdc++/54861
* include/bits/atomic_base.h (atomic_signal_fence): Call
__atomic_signal_fence instead of __atomic_thread_fence.
Modified:
trunk/libstdc++-v3/ChangeLog
trunk/libstdc++-v3/include/bits/atomic_base.h
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