633     ULong *x, *xa, *xae, *xb, *xbe, *xc, *xc0;  in mult()  local
669     xb = b->x;  in mult()
670     xbe = xb + wb;  in mult()
673     for(; xb < xbe; xc0++) {  in mult()
674         if ((y = *xb++)) {  in mult()
688     for(; xb < xbe; xb++, xc0++) {  in mult()
689         if (y = *xb & 0xffff) {  in mult()
703         if (y = *xb >> 16) {  in mult()
892     ULong *xa, *xa0, *xb, *xb0;  in cmp()  local
908     xb = xb0 + j;  in cmp()
910         if (*--xa != *--xb)  in cmp()
911             return *xa < *xb ? -1 : 1;  in cmp()
927     ULong *xa, *xae, *xb, *xbe, *xc;  in diff()  local
960     xb = b->x;  in diff()
961     xbe = xb + wb;  in diff()
966         y = (ULLong)*xa++ - *xb++ - borrow;  in diff()
970     while(xb < xbe);  in diff()
978         y = (*xa & 0xffff) - (*xb & 0xffff) - borrow;  in diff()
980         z = (*xa++ >> 16) - (*xb++ >> 16) - borrow;  in diff()
984     while(xb < xbe);  in diff()