------- Comment #8 from aph at gcc dot gnu dot org  2007-04-10 16:47 -------
I don't have an Alpha to test, but I can see read_barrier() in HEAD:

inline static void
read_barrier()
{
  __asm__ __volatile__("mb" : : : "memory");
}


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30424

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