vax.c (split_quadword_operands): Use MEM_P() instead of GET_CODE() == MEM and REG_P() instead of GET_CODE() == REG.

	* config/vax/vax.c (split_quadword_operands): Use MEM_P()
	instead of GET_CODE() == MEM and REG_P() instead of
	GET_CODE() == REG.
	(print_operand_address): Likewise.
	(vax_address_cost): Likewise.
	(vax_rtx_costs): Likewise.
	(vax_notice_update_cc): Likewise.
	(vax_output_int_add): Likewise.
	(INDEX_REGISTER_P): Likewise.
	(BASE_REGISTER_P): Likewise.
	(nonindexed_address_p): Likewise.
	(vax_mode_dependent_address_p): Likewise.
	* config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
	(PRINT_OPERAND): Likewise.
	* config/vax/vax.md (ashlsi3): Likewise.
	(ashlsi3): Likewise.
	(some more unnamed insns): Likewise.

From-SVN: r112090