These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / arch / h8300 / lib / ashldi3.c
1 #include "libgcc.h"
2
3 DWtype
4 __ashldi3(DWtype u, word_type b)
5 {
6         const DWunion uu = {.ll = u};
7         const word_type bm = (sizeof (Wtype) * BITS_PER_UNIT) - b;
8         DWunion w;
9
10         if (b == 0)
11                 return u;
12
13         if (bm <= 0) {
14                 w.s.low = 0;
15                 w.s.high = (UWtype) uu.s.low << -bm;
16         } else {
17                 const UWtype carries = (UWtype) uu.s.low >> bm;
18
19                 w.s.low = (UWtype) uu.s.low << b;
20                 w.s.high = ((UWtype) uu.s.high << b) | carries;
21         }
22
23         return w.ll;
24 }