On Wed, 9 Jan 2019 at 09:25, Mark Boonie <[email protected]> wrote: > > On all z/Architecture CPUs, MVC will appear fullword-concurrent provided > both the source and target operands are fullword-aligned.
You're not wrong, but the commitments for MVC (and a few similar instructions) are quite a bit stronger than that, and have been so for a very long time. Tony H.
