31 save_fpu(struct task_struct *tsk, struct pt_regs *regs)  in save_fpu()  argument
35 	clear_tsk_thread_flag(tsk, TIF_USEDFPU);  in save_fpu()
57 		     : "0" ((char *)(&tsk->thread.fpu.hard.status)),  in save_fpu()
67 restore_fpu(struct task_struct *tsk)  in restore_fpu()  argument
91 		     : "0" (&tsk->thread.fpu), "r" (FPSCR_RCHG)  in restore_fpu()
494 		struct task_struct *tsk = current;  in ieee_fpe_handler()  local
496 		if ((tsk->thread.fpu.hard.fpscr & FPSCR_FPU_ERROR)) {  in ieee_fpe_handler()
498 			denormal_to_double (&tsk->thread.fpu.hard,  in ieee_fpe_handler()
506 		struct task_struct *tsk = current;  in ieee_fpe_handler()  local
513 		hx = tsk->thread.fpu.hard.fp_regs[n];  in ieee_fpe_handler()
514 		hy = tsk->thread.fpu.hard.fp_regs[m];  in ieee_fpe_handler()
515 		fpscr = tsk->thread.fpu.hard.fpscr;  in ieee_fpe_handler()
525 			       | tsk->thread.fpu.hard.fp_regs[n+1];  in ieee_fpe_handler()
527 			       | tsk->thread.fpu.hard.fp_regs[m+1];  in ieee_fpe_handler()
532 			tsk->thread.fpu.hard.fp_regs[n] = llx >> 32;  in ieee_fpe_handler()
533 			tsk->thread.fpu.hard.fp_regs[n+1] = llx & 0xffffffff;  in ieee_fpe_handler()
542 			tsk->thread.fpu.hard.fp_regs[n] = hx;  in ieee_fpe_handler()
549 		struct task_struct *tsk = current;  in ieee_fpe_handler()  local
556 		hx = tsk->thread.fpu.hard.fp_regs[n];  in ieee_fpe_handler()
557 		hy = tsk->thread.fpu.hard.fp_regs[m];  in ieee_fpe_handler()
558 		fpscr = tsk->thread.fpu.hard.fpscr;  in ieee_fpe_handler()
568 			       | tsk->thread.fpu.hard.fp_regs[n+1];  in ieee_fpe_handler()
570 			       | tsk->thread.fpu.hard.fp_regs[m+1];  in ieee_fpe_handler()
575 			tsk->thread.fpu.hard.fp_regs[n] = llx >> 32;  in ieee_fpe_handler()
576 			tsk->thread.fpu.hard.fp_regs[n+1] = llx & 0xffffffff;  in ieee_fpe_handler()
585 			tsk->thread.fpu.hard.fp_regs[n] = hx;  in ieee_fpe_handler()
598 	struct task_struct *tsk = current;  in BUILD_TRAP_HANDLER()  local
601 	save_fpu(tsk, regs);  in BUILD_TRAP_HANDLER()
603 		tsk->thread.fpu.hard.fpscr &=  in BUILD_TRAP_HANDLER()
606 		restore_fpu(tsk);  in BUILD_TRAP_HANDLER()
607 		set_tsk_thread_flag(tsk, TIF_USEDFPU);  in BUILD_TRAP_HANDLER()
611 	force_sig(SIGFPE, tsk);  in BUILD_TRAP_HANDLER()
616 	struct task_struct *tsk = current;  in BUILD_TRAP_HANDLER()  local
627 		restore_fpu(tsk);  in BUILD_TRAP_HANDLER()
633 	set_tsk_thread_flag(tsk, TIF_USEDFPU);  in BUILD_TRAP_HANDLER()