system.h (REG_CLASS_FROM_CONSTRAINT): Poison.

gcc/
	* system.h (REG_CLASS_FROM_CONSTRAINT): Poison.
	(REG_CLASS_FOR_CONSTRAINT, EXTRA_CONSTRAINT_STR): Likewise.
	(EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT): Likewise.
	* genpreds.c (print_type_tree): New function.
	(write_tm_preds_h): Remove REG_CLASS_FROM_CONSTRAINT,
	REG_CLASS_FOR_CONSTRAINT, EXTRA_MEMORY_CONSTRAINT,
	EXTRA_ADDRESS_CONSTRAINT and EXTRA_CONSTRAINT_STR.
	Write out enum constraint_type and get_constraint_type.
	* lra-constraints.c (satisfies_memory_constraint_p): Take a
	constraint_num rather than a constraint string.
	(satisfies_address_constraint_p): Likewise.
	(reg_class_from_constraints): Avoid old constraint macros.
	(process_alt_operands, process_address_1): Likewise.
	(curr_insn_transform): Likewise.
	* ira-costs.c (record_reg_classes): Likewise.
	(record_operand_costs): Likewise.
	* ira-lives.c (single_reg_class): Likewise.
	(ira_implicitly_set_insn_hard_regs): Likewise.
	* ira.c (ira_setup_alts, ira_get_dup_out_num): Likewise.
	* postreload.c (reload_cse_simplify_operands): Likewise.
	* recog.c (asm_operand_ok, preprocess_constraints): Likewise.
	(constrain_operands, peep2_find_free_register): Likewise.
	* reload.c (push_secondary_reload, scratch_reload_class): Likewise.
	(find_reloads, alternative_allows_const_pool_ref): Likewise.
	* reload1.c (maybe_fix_stack_asms): Likewise.
	* stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
	* targhooks.c (default_secondary_reload): Likewise.
	* config/m32c/m32c.c (m32c_matches_constraint_p): Avoid reference
	to EXTRA_CONSTRAINT_STR.
	* config/sparc/constraints.md (U): Likewise REG_CLASS_FROM_CONSTRAINT.

From-SVN: r211471