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[Bug libstdc++/51798] [4.7 regression] libstdc++ atomicity performance regression due to __sync_fetch_and_add
- From: "bkoz at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 17 Feb 2012 20:52:04 +0000
- Subject: [Bug libstdc++/51798] [4.7 regression] libstdc++ atomicity performance regression due to __sync_fetch_and_add
- Auto-submitted: auto-generated
- References: <bug-51798-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51798
--- Comment #32 from Benjamin Kosnik <bkoz at gcc dot gnu.org> 2012-02-17 20:52:04 UTC ---
Author: bkoz
Date: Fri Feb 17 20:51:58 2012
New Revision: 184350
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184350
Log:
2012-02-17 Benjamin Kosnik <bkoz@redhat.com>
PR libstdc++/51798 continued.
* acinclude.m4 (GLIBCXX_ENABLE_ATOMIC_BUILTINS): Grep for
__atomic_, not __sync.
* configure: Regenerated.
Modified:
trunk/libstdc++-v3/ChangeLog
trunk/libstdc++-v3/acinclude.m4
trunk/libstdc++-v3/configure