blob: 9b50d866a01c43db9d81df658797442cb24ec6b7 [file] [log] [blame]
Phil Edworthyeeb84df2011-06-02 22:15:27 +00001#include "libgcc.h"
2
3long long __ashldi3(long long u, word_type b)
4{
5 DWunion uu, w;
6 word_type bm;
7
8 if (b == 0)
9 return u;
10
11 uu.ll = u;
12 bm = 32 - b;
13
14 if (bm <= 0) {
15 w.s.low = 0;
16 w.s.high = (unsigned int) uu.s.low << -bm;
17 } else {
18 const unsigned int carries = (unsigned int) uu.s.low >> bm;
19
20 w.s.low = (unsigned int) uu.s.low << b;
21 w.s.high = ((unsigned int) uu.s.high << b) | carries;
22 }
23
24 return w.ll;
25}