[project @ 2001-12-06 11:50:07 by sewardj]

[project @ 2001-12-06 11:50:07 by sewardj]
Add constructor CBytesPerWord to (the wildly-misnamed) CAddrMode, and
use this in various places to remove word size dependencies in the
C -> C simplification pass.  Tart up the Stix constant folder a bit
so as to be able to fold out the shift/mask literal expressions.