[Bug target/36793] x86-64 does not get __sync_synchronize right

[samuel dot thibault at ens-lyon dot org]

------- Comment #8 from samuel dot thibault at ens-lyon dot org  2008-11-22 
19:41 -------
Ah, well, by "nop", I was thinking about things like what Linux does: lock;
addl $0,0(%%esp) 


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36793