On Thu, Feb 20, 2014 at 11:02 AM, Linus Torvalds <torva...@linux-foundation.org> wrote: > > Again, the way I'd expect a compiler writer to actually *do* this is > to just default to "ac
Oops, pressed send by mistake too early. I was almost done: I'd expect a compiler to just default to "acquire" semantics, but then have a few "obvious peephole" optimizations for cases that it encounters and where it is easy to replace the synchronization point with just an address dependency. Linus