extern reg_class_t default_secondary_reload (bool, rtx, reg_class_t,
enum machine_mode,
secondary_reload_info *);
extern void default_target_option_override (void);
extern void hook_void_bitmap (bitmap);
extern reg_class_t default_secondary_reload (bool, rtx, reg_class_t,
enum machine_mode,
secondary_reload_info *);
extern void default_target_option_override (void);
extern void hook_void_bitmap (bitmap);