* vax-tdep.c (vax_frame_saved_pc): New function.

* vax-tdep.c (vax_frame_saved_pc): New function.
(vax_frame_args_address_correct): Ditto.
(vax_frame_args_address): Ditto.
(vax_frame_locals_address): Ditto.
(vax_frame_num_args): Move code to be in proximity to
other frame-related functions.
* config/vax/tm-vax.h (INNER_THAN): Use core_addr_lessthan.
(FRAME_SAVED_PC): Use vax_frame_saved_pc.
(FRAME_ARGS_ADDRESS_CORRECT): Use vax_frame_args_address_correct.
(FRAME_ARGS_ADDRESS): Use vax_frame_args_address.
(FRAME_LOCALS_ADDRESS): Use vax_frame_locals_address.