Don't update the address when scanning unless it has actually changed.  Most scanning does not affect the address.  This allows the scanning to work on read-only areas of memory and may reduce write-back costs elsewhere.
Don't update the address when scanning unless it has actually changed.  Most scanning does not affect the address.  This allows the scanning to work on read-only areas of memory and may reduce write-back costs elsewhere.

git-svn-id: 98787b36aaefbae4b30fa755be920954cd25e1e4@1424 ae7d391e-3f74-4a2b-a0db-a8776840fd2a

mn200/polyml,mn200/polyml,dcjm/polyml,polyml/polyml,polyml/polyml,dcjm/polyml,polyml/polyml,dcjm/polyml,mn200/polyml,polyml/polyml,dcjm/polyml,mn200/polyml