constraints.md: New file.

constraints.md: New file.

	* config/m32c/constraints.md: New file.
	* config/m32c/t-m32c (MD_FILES): Add constraints.
	* config/m32c/m32c-protos.h (m32c_const_ok_for_constraint_p): Delete.
	(m32c_extra_address_constraint, m32c_extra_memory_constraint): Delete.
	(m32c_reg_class_from_constraint): Delete.
	(m32c_extra_constraint_p, m32c_extra_constraint_p2): Delete.
	(m32c_matches_constraint_p): Declare.
	* config/m32c/m32c.h (CONSTRAINT_LEN): Delete.
	(REG_CLASS_FROM_CONSTRAINT): Delete.
	(CONST_OK_FOR_CONSTRAINT_P): Delete.
	(CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Delete.
	(EXTRA_CONSTRAINT_STR): Delete.
	(EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT): Delete.
	* config/m32c/m32c.c: Include tm-constrs.h
	(m32c_reg_class_from_constraint): Delete.
	(m32c_const_ok_for_constraint_p): Delete.
	(m32c_extra_constraint_p2): Rename to...
	(m32c_matches_constraint_p): ...this.  Make it return bool.  Tweak
	formatting.
	(m32c_extra_constraint_p): Delete.
	(m32c_extra_address_constraint, m32c_extra_memory_constraint): Delete.
	(m32c_split_move): Use satisfies_constraint_Ss.
	* config/m32c/predicates.md (memsym_operand): Use
	satisfies_constraint_Si.
	(memimmed_operand): Use satisfies_constraint_Sp.
	(m32c_psi_scale, m32c_1bit8_operand): Use satisfies_constraint_Ilb.
	(m32c_1bit16_operand): Use satisfies_constraint_Ilw.
	(m32c_1mask8_operand): Use satisfies_constraint_ImB.
	(m32c_1mask16_operand): Use satisfies_constraint_Imw.

From-SVN: r190585