On Tue, 2 Sep 2025 17:16:38 +0100, Rupert Reynolds <rupertreyno...@gmail.com> wrote:
>I was politely asked to avoid that, and to use > ICM R0,B'1111', X_UNAL Sensible comment >I now wonder if there was/is a performance penalty for ICM. ICM is commonly used to avoid this message. I suspect that ICM and L against an unaligned field is similar. If you didn't care about alignment impact, then why be worried about the negligible performance difference.
