On Mon, Oct 29, 2007 at 11:42:10 +0300, Tomash Brechko wrote: > It means that the current thread is free to cache the value in the > register as long as it knows no other thread can access it (i.e. as > long as it holds corresponding mutex).
And because your next question will be "how the compiler will know the corresponding mutex", the answer is: it can't, that's why "opaque function" rules come to play. -- Tomash Brechko