On Tue, 2008-04-08 at 13:33 -0500, Omar wrote: > I have been looking at other targets, and they seem to use the > CONST_OK_FOR_LETTER_P macro for this purpose. Current ports in current sources use the constraints.md file. Old ports and/or old sources use CONST_OK_FOR_LETTER_P. Long term, everything will be moved to the constraints.md file, but the change is not complete yet. Jim