30 void save_fpu(struct task_struct *tsk)  in save_fpu()  argument
55 		     : "0" ((char *)(&tsk->thread.xstate->hardfpu.status)),  in save_fpu()
63 void restore_fpu(struct task_struct *tsk)  in restore_fpu()  argument
87 		     : "0" (tsk->thread.xstate), "r" (FPSCR_RCHG)  in restore_fpu()
457 		struct task_struct *tsk = current;  in ieee_fpe_handler()  local
459 		if ((tsk->thread.xstate->hardfpu.fpscr & FPSCR_FPU_ERROR)) {  in ieee_fpe_handler()
461 			denormal_to_double (&tsk->thread.xstate->hardfpu,  in ieee_fpe_handler()
469 		struct task_struct *tsk = current;  in ieee_fpe_handler()  local
476 		hx = tsk->thread.xstate->hardfpu.fp_regs[n];  in ieee_fpe_handler()
477 		hy = tsk->thread.xstate->hardfpu.fp_regs[m];  in ieee_fpe_handler()
478 		fpscr = tsk->thread.xstate->hardfpu.fpscr;  in ieee_fpe_handler()
488 			       | tsk->thread.xstate->hardfpu.fp_regs[n+1];  in ieee_fpe_handler()
490 			       | tsk->thread.xstate->hardfpu.fp_regs[m+1];  in ieee_fpe_handler()
495 			tsk->thread.xstate->hardfpu.fp_regs[n] = llx >> 32;  in ieee_fpe_handler()
496 			tsk->thread.xstate->hardfpu.fp_regs[n+1] = llx & 0xffffffff;  in ieee_fpe_handler()
505 			tsk->thread.xstate->hardfpu.fp_regs[n] = hx;  in ieee_fpe_handler()
512 		struct task_struct *tsk = current;  in ieee_fpe_handler()  local
519 		hx = tsk->thread.xstate->hardfpu.fp_regs[n];  in ieee_fpe_handler()
520 		hy = tsk->thread.xstate->hardfpu.fp_regs[m];  in ieee_fpe_handler()
521 		fpscr = tsk->thread.xstate->hardfpu.fpscr;  in ieee_fpe_handler()
531 			       | tsk->thread.xstate->hardfpu.fp_regs[n+1];  in ieee_fpe_handler()
533 			       | tsk->thread.xstate->hardfpu.fp_regs[m+1];  in ieee_fpe_handler()
538 			tsk->thread.xstate->hardfpu.fp_regs[n] = llx >> 32;  in ieee_fpe_handler()
539 			tsk->thread.xstate->hardfpu.fp_regs[n+1] = llx & 0xffffffff;  in ieee_fpe_handler()
548 			tsk->thread.xstate->hardfpu.fp_regs[n] = hx;  in ieee_fpe_handler()
561 	struct task_struct *tsk = current;  in BUILD_TRAP_HANDLER()  local
564 	__unlazy_fpu(tsk, regs);  in BUILD_TRAP_HANDLER()
566 		tsk->thread.xstate->hardfpu.fpscr &=  in BUILD_TRAP_HANDLER()
569 		restore_fpu(tsk);  in BUILD_TRAP_HANDLER()
570 		task_thread_info(tsk)->status |= TS_USEDFPU;  in BUILD_TRAP_HANDLER()
574 	force_sig(SIGFPE, tsk);  in BUILD_TRAP_HANDLER()