On 2020-08-10, at 16:28:28, Steve Smith wrote: > > The only difference between SR & SLR is how they set the condition code. > If that could produce a measurable difference in a trillion executions, I'd > love to see it. > However, the newer z models have a whole family of new instructions which differ from their older counterparts only by *not* setting CC. Changing CC can be a pipeline bottleneck.
-- gil
