433 	   register mp_srcptr s1_ptr,  in mpn_add_1()  argument
437 mpn_add_1 (res_ptr, s1_ptr, s1_size, s2_limb)  in mpn_add_1()
439      register mp_srcptr s1_ptr;
446   x = *s1_ptr++;
453 	  x = *s1_ptr++ + 1;
463   if (res_ptr != s1_ptr)
467 	res_ptr[i] = s1_ptr[i];
475 	 register mp_srcptr s1_ptr,  in mpn_add()  argument
480 mpn_add (res_ptr, s1_ptr, s1_size, s2_ptr, s2_size)  in mpn_add()
482      register mp_srcptr s1_ptr;
491     cy_limb = mpn_add_n (res_ptr, s1_ptr, s2_ptr, s2_size);
495 			 s1_ptr + s2_size,
504 	   register mp_srcptr s1_ptr,  in mpn_sub_1()  argument
508 mpn_sub_1 (res_ptr, s1_ptr, s1_size, s2_limb)  in mpn_sub_1()
510      register mp_srcptr s1_ptr;
517   x = *s1_ptr++;
524 	  x = *s1_ptr++;
534   if (res_ptr != s1_ptr)
538 	res_ptr[i] = s1_ptr[i];
546 	 register mp_srcptr s1_ptr,  in mpn_sub()  argument
551 mpn_sub (res_ptr, s1_ptr, s1_size, s2_ptr, s2_size)  in mpn_sub()
553      register mp_srcptr s1_ptr;
562     cy_limb = mpn_sub_n (res_ptr, s1_ptr, s2_ptr, s2_size);
566 			 s1_ptr + s2_size,