From: Andrew MacLeod Date: Tue, 9 Oct 2012 18:40:02 +0000 (+0000) Subject: re PR libstdc++/54861 (std::atomic_signal_fence(std::memory_order_seq_cst) issues... X-Git-Tag: upstream/12.2.0~73695 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3cedb9108b399c52167810df29b71b5f5c8b9d9e;p=platform%2Fupstream%2Fgcc.git re PR libstdc++/54861 (std::atomic_signal_fence(std::memory_order_seq_cst) issues unnecessary mfence) 2012-10-09 Andrew MacLeod PR libstdc++/54861 * include/bits/atomic_base.h (atomic_signal_fence): Call __atomic_signal_fence instead of __atomic_thread_fence. From-SVN: r192268 --- diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 1f5c8df..e395dd2 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,9 @@ +2012-10-09 Andrew MacLeod + + PR libstdc++/54861 + * include/bits/atomic_base.h (atomic_signal_fence): Call + __atomic_signal_fence instead of __atomic_thread_fence. + 2012-10-09 Benjamin Kosnik * testsuite/20_util/specialized_algorithms/uninitialized_copy/808590.cc: diff --git a/libstdc++-v3/include/bits/atomic_base.h b/libstdc++-v3/include/bits/atomic_base.h index de098a3..af8a924 100644 --- a/libstdc++-v3/include/bits/atomic_base.h +++ b/libstdc++-v3/include/bits/atomic_base.h @@ -74,7 +74,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION inline void atomic_signal_fence(memory_order __m) noexcept - { __atomic_thread_fence(__m); } + { __atomic_signal_fence(__m); } /// kill_dependency template