pa-protos.h: Add prototypes for magic_milli and shadd_constant_p.

pa-protos.h: Add prototypes for magic_milli and shadd_constant_p.

	* config/pa/pa-protos.h: Add prototypes for magic_milli and
	shadd_constant_p.
	* config/pa/pa.c (reg_or_0_operand, call_operand_address,
	symbolic_operand, symbolic_memory_operand,
	reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
	indexed_memory_operand, move_dest_operand, move_src_operand,
	prefetch_cc_operand, prefetch_nocc_operand,
	reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
	arith_operand, arith11_operand, pre_cint_operand,
	post_cint_operan, arith_double_operand, ireg_or_int5_operand,
	ireg_operand, int5_operand, uint5_operand, int11_operand,
	uint32_operand, arith5_operand, and_operand, ior_operand,
	lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
	pc_or_label_operand, div_operand, plus_xor_ior_operator,
	shadd_operand, movb_comparison_operator,
	cmpib_comparison_operator): Move to predicates.md.
	(magic_milli, shadd_constant_p): Make it extern.
	* config/pa/pa.h (PREDICATE_CODES): Remove.
	* config/pa/pa.md: Include predicates.md.
	* config/pa/predicates.md: New.

From-SVN: r96692