* 16/8-bit ALU fixes in ncgutil.gen_alloc_regvar



git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@25760 3ad0048d-3df7-0310-abae-a5850022a9f2
* 16/8-bit ALU fixes in ncgutil.add_regvars



git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@25761 3ad0048d-3df7-0310-abae-a5850022a9f2