On Fri, Jan 23, 2015 at 1:20 PM, Brian Burkhalter < brian.burkhal...@oracle.com> wrote:
> On Jan 23, 2015, at 1:10 PM, Martin Buchholz <marti...@google.com> wrote: > > --- > > I don't see why switching t0 and t1 makes things more readable. > > > It’s about accuracy. The previous version is incorrect in the overflow > case (if we even care). > > I don't get it. t0 and t1 are supposed to be symmetrical (perhaps obtained in different threads). Switching them around doesn't change anything. And correctness in the face of two's complement numerical overflow is the whole point of the example!