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Root/branches/xZenu/src/modules/klibc/__udivmoddi4.c

Source at commit 1297 created 8 years 11 months ago.
By meklort, Removed libsaioh from all modules. Removed i386 includes from modules.
1#include <stdint.h>
2
3extern void __divide_error();
4
5uint64_t __udivmoddi4(uint64_t num, uint64_t den, uint64_t * rem_p)
6{
7uint64_t quot = 0, qbit = 1;
8
9if (den == 0) {
10__divide_error();
11return 0;/* If trap returns... */
12}
13
14/* Left-justify denominator and count shift */
15while ((int64_t) den >= 0) {
16den <<= 1;
17qbit <<= 1;
18}
19
20while (qbit) {
21if (den <= num) {
22num -= den;
23quot += qbit;
24}
25den >>= 1;
26qbit >>= 1;
27}
28
29if (rem_p)
30*rem_p = num;
31
32return quot;
33}
34

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Revision: 1297