Andrew Haley wrote: > Dave Korn wrote: >> So, this is a real bug then - but it's a missed optimisation in the first >> case, not a bogus one in the second case? > > Probably, but it's not a very interesting one. For what it's worth, the > tree dumps are identical right up to the very last tree optimization pass.
Did you accidentally send an old draft? This sounds a lot like what you said yesterday, or did you just mean to de-emphasise it a bit? I guess I agree that it's not a very important missed optimisation, you have to expect a few when volatile is in play. cheers, DaveK