> Yeah, I remember the same issue with the rounding-mode setter placement. > > Wouldn't that be fixable by requiring a dummy/wildcard/dontcare vsetvl in bb3 > (or any other block that doesn't require one)? Such a dummy vsetvl would be > fusible with every other vsetvl. If there are dummy vsetvls remaining after > LCM just delete them? > > Just thinking out loud, the devil will be in the details.
Register liveness is of course relevant here. Will surely depend on the specific example whether that makes sense or not. -- Regards Robin
