44 void save_fpu(struct task_struct *tsk)  in save_fpu()  argument
87 		      :"0"((char *)(&tsk->thread.xstate->hardfpu.status)),  in save_fpu()
94 void restore_fpu(struct task_struct *tsk)  in restore_fpu()  argument
137 		      :"0" (tsk->thread.xstate), "r" (FPSCR_RCHG)  in restore_fpu()
231 		struct task_struct *tsk = current;  in ieee_fpe_handler()  local
233 		if ((tsk->thread.xstate->hardfpu.fpscr & FPSCR_CAUSE_ERROR))  in ieee_fpe_handler()
235 			denormal_to_double(&tsk->thread.xstate->hardfpu,  in ieee_fpe_handler()
244 		struct task_struct *tsk = current;  in ieee_fpe_handler()  local
251 		hx = tsk->thread.xstate->hardfpu.fp_regs[n];  in ieee_fpe_handler()
252 		hy = tsk->thread.xstate->hardfpu.fp_regs[m];  in ieee_fpe_handler()
253 		fpscr = tsk->thread.xstate->hardfpu.fpscr;  in ieee_fpe_handler()
263 			    | tsk->thread.xstate->hardfpu.fp_regs[n + 1];  in ieee_fpe_handler()
265 			    | tsk->thread.xstate->hardfpu.fp_regs[m + 1];  in ieee_fpe_handler()
267 			tsk->thread.xstate->hardfpu.fp_regs[n] = llx >> 32;  in ieee_fpe_handler()
268 			tsk->thread.xstate->hardfpu.fp_regs[n + 1] = llx & 0xffffffff;  in ieee_fpe_handler()
274 			tsk->thread.xstate->hardfpu.fp_regs[n] = hx;  in ieee_fpe_handler()
282 		struct task_struct *tsk = current;  in ieee_fpe_handler()  local
289 		hx = tsk->thread.xstate->hardfpu.fp_regs[n];  in ieee_fpe_handler()
290 		hy = tsk->thread.xstate->hardfpu.fp_regs[m];  in ieee_fpe_handler()
291 		fpscr = tsk->thread.xstate->hardfpu.fpscr;  in ieee_fpe_handler()
301 			    | tsk->thread.xstate->hardfpu.fp_regs[n + 1];  in ieee_fpe_handler()
303 			    | tsk->thread.xstate->hardfpu.fp_regs[m + 1];  in ieee_fpe_handler()
308 			tsk->thread.xstate->hardfpu.fp_regs[n] = llx >> 32;  in ieee_fpe_handler()
309 			tsk->thread.xstate->hardfpu.fp_regs[n + 1] = llx & 0xffffffff;  in ieee_fpe_handler()
318 			tsk->thread.xstate->hardfpu.fp_regs[n] = hx;  in ieee_fpe_handler()
326 		struct task_struct *tsk = current;  in ieee_fpe_handler()  local
333 		hx = tsk->thread.xstate->hardfpu.fp_regs[n];  in ieee_fpe_handler()
334 		hy = tsk->thread.xstate->hardfpu.fp_regs[m];  in ieee_fpe_handler()
335 		fpscr = tsk->thread.xstate->hardfpu.fpscr;  in ieee_fpe_handler()
345 			    | tsk->thread.xstate->hardfpu.fp_regs[n + 1];  in ieee_fpe_handler()
347 			    | tsk->thread.xstate->hardfpu.fp_regs[m + 1];  in ieee_fpe_handler()
351 			tsk->thread.xstate->hardfpu.fp_regs[n] = llx >> 32;  in ieee_fpe_handler()
352 			tsk->thread.xstate->hardfpu.fp_regs[n + 1] = llx & 0xffffffff;  in ieee_fpe_handler()
358 			tsk->thread.xstate->hardfpu.fp_regs[n] = hx;  in ieee_fpe_handler()
366 		struct task_struct *tsk = current;  in ieee_fpe_handler()  local
371 		hx = tsk->thread.xstate->hardfpu.fp_regs[m];  in ieee_fpe_handler()
373 		if ((tsk->thread.xstate->hardfpu.fpscr & FPSCR_CAUSE_ERROR)  in ieee_fpe_handler()
378 			llx = ((long long)tsk->thread.xstate->hardfpu.fp_regs[m] << 32)  in ieee_fpe_handler()
379 			    | tsk->thread.xstate->hardfpu.fp_regs[m + 1];  in ieee_fpe_handler()
381 			tsk->thread.xstate->hardfpu.fpul = float64_to_float32(llx);  in ieee_fpe_handler()
399 	struct task_struct *tsk = current;  in float_rounding_mode()  local
400 	int roundingMode = FPSCR_ROUNDING_MODE(tsk->thread.xstate->hardfpu.fpscr);  in float_rounding_mode()
406 	struct task_struct *tsk = current;  in BUILD_TRAP_HANDLER()  local
409 	__unlazy_fpu(tsk, regs);  in BUILD_TRAP_HANDLER()
412 		tsk->thread.xstate->hardfpu.fpscr &=  in BUILD_TRAP_HANDLER()
414 		tsk->thread.xstate->hardfpu.fpscr |= fpu_exception_flags;  in BUILD_TRAP_HANDLER()
417 		tsk->thread.xstate->hardfpu.fpscr |= (fpu_exception_flags >> 10);  in BUILD_TRAP_HANDLER()
419 		restore_fpu(tsk);  in BUILD_TRAP_HANDLER()
420 		task_thread_info(tsk)->status |= TS_USEDFPU;  in BUILD_TRAP_HANDLER()
421 		if ((((tsk->thread.xstate->hardfpu.fpscr & FPSCR_ENABLE_MASK) >> 7) &  in BUILD_TRAP_HANDLER()
427 	force_sig(SIGFPE, tsk);  in BUILD_TRAP_HANDLER()