434 	   register mp_srcptr s1_ptr,  in mpn_add_1()  argument
438 mpn_add_1 (res_ptr, s1_ptr, s1_size, s2_limb)  in mpn_add_1()
440      register mp_srcptr s1_ptr;
447   x = *s1_ptr++;
454 	  x = *s1_ptr++ + 1;
464   if (res_ptr != s1_ptr)
468 	res_ptr[i] = s1_ptr[i];
476 	 register mp_srcptr s1_ptr,  in mpn_add()  argument
481 mpn_add (res_ptr, s1_ptr, s1_size, s2_ptr, s2_size)  in mpn_add()
483      register mp_srcptr s1_ptr;
492     cy_limb = mpn_add_n (res_ptr, s1_ptr, s2_ptr, s2_size);
496 			 s1_ptr + s2_size,
505 	   register mp_srcptr s1_ptr,  in mpn_sub_1()  argument
509 mpn_sub_1 (res_ptr, s1_ptr, s1_size, s2_limb)  in mpn_sub_1()
511      register mp_srcptr s1_ptr;
518   x = *s1_ptr++;
525 	  x = *s1_ptr++;
535   if (res_ptr != s1_ptr)
539 	res_ptr[i] = s1_ptr[i];
547 	 register mp_srcptr s1_ptr,  in mpn_sub()  argument
552 mpn_sub (res_ptr, s1_ptr, s1_size, s2_ptr, s2_size)  in mpn_sub()
554      register mp_srcptr s1_ptr;
563     cy_limb = mpn_sub_n (res_ptr, s1_ptr, s2_ptr, s2_size);
567 			 s1_ptr + s2_size,