* machmode.def (Pmode): Redefine if GENERATOR_FILE.

        * genrecog.c (maybe_both_true_mode): New.
        (maybe_both_true_2): Use it.
        (write_switch): Don't put Pmode in a switch.
        * rtl.c (mode arrays): Don't explicitly size them.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44029 138bc75d-0d04-0410-961f-82ee72b054a4