* features/rs6000/power-core.xml, features/rs6000/power64-core.xml

    * features/rs6000/power-core.xml, features/rs6000/power64-core.xml
        features/rs6000/powerpc-601.xml, features/rs6000/rs6000.xml:
        Set PC register type to "code_ptr".
        * features/rs6000/powerpc-32.c, features/rs6000/powerpc-403.c,
        features/rs6000/powerpc-403gc.c, features/rs6000/powerpc-505.c,
        features/rs6000/powerpc-601.c, features/rs6000/powerpc-602.c,
        features/rs6000/powerpc-603.c, features/rs6000/powerpc-604.c,
        features/rs6000/powerpc-64.c, features/rs6000/powerpc-7400.c,
        features/rs6000/powerpc-750.c, features/rs6000/powerpc-860.c,
        features/rs6000/powerpc-e500.c, features/rs6000/rs6000.c:
        Regenerate.