gcc/

	* Makefile.in (target-globals.o): Depend on $(CFGLOOP_H).
	* cfgloop.h (target_cfgloop): New structure.
	(default_target_cfgloop): Declare.
	(this_target_cfgloop): Declare as a variable or define as a macro.
	(target_avail_regs, target_clobbered_regs, target_res_regs)
	(target_reg_cost, target_spill_cost): Redefine as macros.
	* cfgloopanal.c (default_target_cfgloop): New variable.
	(this_target_cfgloop): New conditional variable.
	(target_avail_regs, target_clobbered_regs, target_res_regs)
	(target_reg_cost, target_spill_cost): Delete.
	* target-globals.h (this_target_cfgloop): Declare.
	(target_globals): Add a cfgloop field.
	(restore_target_globals): Copy the cfgloop field to
	this_target_cfgloop.
	* target-globals.c: Include cfgloop.h.
	(default_target_globals): Initialize the cfgloop field.
	(save_target_globals): Likewise.

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