On Wed, 2025-03-05 at 11:33 -0800, James Hunter wrote: > For a bitfield, however, the CPU has to read from or write to the > byte > that contains the bit, but then it also has to mask out the *other* > bits in that bitfield. This is a data dependency, so it stalls the > CPU > pipeline.
Here the bits aren't changing, so we're only talking about mask-and- test, right? My intuition is that wouldn't cause much of a problem. Regards, Jeff Davis