K 10 svn:author V 3 kib K 8 svn:date V 27 2012-06-16T13:22:55.225294Z K 7 svn:log V 210 MFC r236456: Use plain store for atomic_store_rel on x86, instead of implicitly locked xchg instruction. IA32 memory model guarantees that store has release semantic, since stores cannot pass loads or stores. END