reload.h (register_move_cost, [...]): Adjust prototype.

	* reload.h (register_move_cost, memory_move_secondary_cost,
	secondary_reload_class): Adjust prototype.
	* rtl.h (reg_class_subset_p): Adjust prototype.
	* reload.c (secondary_reload_class): Change arguments type from
	enum reg_class to reg_class_t. Change result type to reg_class_t.
	* reginfo.c (register_move_cost, reg_class_subset_p): Change
	arguments type from enum reg_class to reg_class_t.
	(memory_move_secondary_cost): Change arguments type from
	enum reg_class to reg_class_t. Change type of saved_flags to
	reg_class_t.

	* config/mips/mips.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): 
	Remove macros.
	(mips_cost): Remove.
	(struct mips_rtx_cost_data): Moved to mips.c.
	* config/mips/mips-protos.h (mips_register_move_cost): Remove.
	* config/mips/mips.c (struct mips_rtx_cost_data): Moved from mips.h.
	(mips_cost): Make static.
	(mips_canonicalize_move_class): Change argument type to reg_class_t.
	Change result type to reg_class_t.
	(mips_move_to_gpr_cost, mips_move_from_gpr_cost): Change arguments
	type from enum reg_class to reg_class_t.
	(mips_register_move_cost): Make static. Change arguments
	type from enum reg_class to reg_class_t.
	(mips_memory_move_cost): New function.
	(TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.

From-SVN: r163252