On Mon, Sep 30, 2024 at 02:06:12PM +0200, Jonas Oberhauser wrote: > > > Am 9/30/2024 um 1:04 PM schrieb Paul E. McKenney: > > On Mon, Sep 30, 2024 at 11:42:11AM +0200, Jonas Oberhauser wrote: > > > > > > > > > I also currently don't see any major difference between the constant and > > > register case. The point is that the address is known before loading into b, > > > and hence the compiler + hardware can speculatively load *b before loading > > > into b. > > > > In theory, true. In practice, in the register case, you need a little > > more bad luck for the compiler to be able to exploit your mistake. > > If there's one thing I've never run out of, then it is bad luck with > technology. Careful! Someone might try to recruit you as tester. ;-) Thanx, Paul