[Bug libstdc++/51798] [4.7 regression] libstdc++ atomicity performance regression due to __sync_fetch_and_add

[bkoz at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51798

--- Comment #29 from Benjamin Kosnik <bkoz at gcc dot gnu.org> 2012-02-09 
23:21:51 UTC ---
Created attachment 26635
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26635
complete transition to __atomic, v3


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