* i386.h (struct_processor_costs): New fileds int_load, int_store, fp_move,
	fp_load and fp_store
	(REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
	fp->int moves
	(MEMORY_MOVE_COST): New macro.
	* i386.c (386_cost): Define new fields.
	(i486_cost): Likewise.
	(pentium_cost): Likewise.
	(pentiumpro_cost): Likewise.
	(k6_cost): Likewise.

From-SVN: r30585