> Thanks for looking into this, it fits nicely into the ongoing VLS > improvements. > Without having looked at every detail, I wonder if it makes sense to have > note_pattern_stores _not_ strip pseudo subregs instead for more general > applicability. That's a two-sided of course, we'd need fewer changes in > rtlanal but more in the users of note_stores. Several of them already have a > REG_P check and wouldn't need to be changed but, either way, it would > certainly be invasive. > > Have you already experimented with that by any chance?
No, I have not. Need study that a bit more.
