On 12/17/2015 08:58 AM, Bernd Schmidt wrote:
I suspect that this is an oversight in the documentation, and if given
two choices the simpler form is intended to be the canonical one.
The other BZ I was looking at in this space was 15596. It's PPC, but
shows a generic weakness in how we identify extractions and insertions.
Fixing it would probably help all the ports that have relatively
strong methods to set/clear a series of bits in the middle of a word.
It feels like combine has all the information necessary to improve
things, but the overall combiner flow and APIs are extremely uncooperative.
jeff