* ada-valprint.c (ada_val_print_1): Eliminate single-use

	* ada-valprint.c (ada_val_print_1): Eliminate single-use
	variable LEN.
	* alpha-tdep.c (alpha_extract_return_value): Use TYPE_LENGTH
	directly.
	(alpha_store_return_value): Likewise.
	* amd64-tdep.c (amd64_classify_aggregate): Likewise.
	(amd64_push_arguments): Likewise.
	* ax-gdb.c (gen_trace_static_fields): Likewise.
	(gen_traced_pop): Likewise.
	* bfin-tdep.c (bfin_push_dummy_call): Likewise.
	* breakpoint.c (update_watchpoint): Likewise.
	* findcmd.c (parse_find_args): Use local variable for type
	instead of length.
	* findvar.c (default_read_var_value): Use TYPE_LENGTH directly.
	* h8300-tdep.c (h8300h_extract_return_value): Likewise.
	(h8300_store_return_value): Likewise.
	* i386-darwin-tdep.c (i386_darwin_push_dummy_call): Likewise.
	Use i386_darwin_arg_type_alignment directly.
	* infcall.c (call_function_by_hand): Use TYPE_LENGTH directly.
	* lm32-tdep.c (lm32_push_dummy_call): Likewise.
	* m68hc11-tdep.c (m68hc11_push_dummy_call): Likewise.
	(m68hc11_extract_return_value): Likewise.
	* mep-tdep.c (mep_push_dummy_call): Likewise.
	* printcmd.c (float_type_from_length): Likewise.
	* s390-tdep.c (s390_value_from_register): Likewise.
	* stack.c (read_frame_arg): Likewise.
	* tracepoint.c (encode_actions_1): Likewise.
	* valops.c (value_fetch_lazy): Use local variable for type
	instead of length.  Use TYPE_LENGTH directly.
	* value.c (value_contents_equal): Use TYPE_LENGTH directly.