95 uint64_t divu128(uint64_t *plow, uint64_t *phigh, uint64_t divisor)  in divu128()  argument
102     if (divisor == 0 || dhi == 0) {  in divu128()
103         *plow  = dlo / divisor;  in divu128()
105         return dlo % divisor;  in divu128()
107         sh = clz64(divisor);  in divu128()
109         if (dhi < divisor) {  in divu128()
111                 /* normalize the divisor, shifting the dividend accordingly */  in divu128()
112                 divisor <<= sh;  in divu128()
118             *plow = udiv_qrnnd(&rem, dhi, dlo, divisor);  in divu128()
121                 /* normalize the divisor, shifting the dividend accordingly */  in divu128()
122                 divisor <<= sh;  in divu128()
127                 *phigh = udiv_qrnnd(&dhi, dhighest, dhi, divisor);  in divu128()
130                  * dhi >= divisor  in divu128()
131                  * Since the MSB of divisor is set (sh == 0),  in divu128()
132                  * (dhi - divisor) < divisor  in divu128()
136                  * after subtracting divisor from dhi  in divu128()
138                 dhi -= divisor;  in divu128()
142             *plow = udiv_qrnnd(&rem, dhi, dlo, divisor);  in divu128()
146          * since the dividend/divisor might have been normalized,  in divu128()
158 int64_t divs128(uint64_t *plow, int64_t *phigh, int64_t divisor)  in divs128()  argument
176     if (divisor < 0) {  in divs128()
179         divisor = -divisor;  in divs128()
182     rem = divu128(&unsig_lo, &unsig_hi, (uint64_t)divisor);  in divs128()
274  * Needs a normalized divisor (most significant bit set to 1).
338 Int128 divu256(Int128 *plow, Int128 *phigh, Int128 divisor)  in divu256()  argument
345     if (!int128_nz(divisor) || !int128_nz(dhi)) {  in divu256()
346         *plow  = int128_divu(dlo, divisor);  in divu256()
348         return int128_remu(dlo, divisor);  in divu256()
350         sh = clz128(divisor);  in divu256()
352         if (int128_ult(dhi, divisor)) {  in divu256()
354                 /* normalize the divisor, shifting the dividend accordingly */  in divu256()
355                 divisor = int128_lshift(divisor, sh);  in divu256()
362             *plow = udiv256_qrnnd(&rem, dhi, dlo, divisor);  in divu256()
365                 /* normalize the divisor, shifting the dividend accordingly */  in divu256()
366                 divisor = int128_lshift(divisor, sh);  in divu256()
372                 *phigh = udiv256_qrnnd(&dhi, dhighest, dhi, divisor);  in divu256()
375                  * dhi >= divisor  in divu256()
376                  * Since the MSB of divisor is set (sh == 0),  in divu256()
377                  * (dhi - divisor) < divisor  in divu256()
381                  * after subtracting divisor from dhi  in divu256()
383                 dhi = int128_sub(dhi, divisor);  in divu256()
387             *plow = udiv256_qrnnd(&rem, dhi, dlo, divisor);  in divu256()
391          * since the dividend/divisor might have been normalized,  in divu256()
404 Int128 divs256(Int128 *plow, Int128 *phigh, Int128 divisor)  in divs256()  argument
422     if (!int128_nonneg(divisor)) {  in divs256()
425         divisor = int128_neg(divisor);  in divs256()
428     rem = divu256(&unsig_lo, &unsig_hi, divisor);  in divs256()