2003-05-05  Aldy Hernandez  <aldyh@redhat.com>

        * testsuite/gcc.dg/20030505.c: New.

        * c-typeck.c (convert_for_assignment): Opaque pointers can
        interconvert.

        * config/rs6000/rs6000.c: New global opaque_p_V2SI_type_node.
        (rs6000_init_builtins): Initialize opaque_p_V2SI_type_node.
        (spe_init_builtins): Rename all pv2si_type_node to
        opaque_p_V2SI_type_node.
        Remove declaration of pv2si_type_node.
        (is_ev64_opaque_type): Accept opaque pointers.

From-SVN: r66495