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.
jonas
