33 		struct task_struct *next, struct thread_info *next_ti);
62 	next->thread.emulated_fp = 0;					\
88 # define __sanitize_fcr31(next)						\  argument
90 	unsigned long fcr31 = mask_fcr31_x(next->thread.fpu.fcr31);	\
94 		pc = (void __user *)task_pt_regs(next)->cp0_epc;	\
95 		next->thread.fpu.fcr31 &= ~fcr31;			\
96 		force_fcr31_sig(fcr31, pc, next);			\
100 # define __sanitize_fcr31(next)  argument
109 #define switch_to(prev, next, last)					\  argument
113 	if (tsk_used_math(next))					\
114 		__sanitize_fcr31(next);					\
117 		__restore_dsp(next);					\
128 		if (KSTK_STATUS(next) & ST0_CU2 &&			\
130 			cop2_restore(next);				\
137 		write_c0_userlocal(task_thread_info(next)->tp_value);	\
138 	__restore_watch(next);						\
139 	(last) = resume(prev, next, task_thread_info(next));		\