These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / arch / h8300 / lib / ashrdi3.c
1 #include "libgcc.h"
2
3 DWtype __ashrdi3(DWtype u, word_type b)
4 {
5         const DWunion uu = {.ll = u};
6         const word_type bm = (sizeof (Wtype) * BITS_PER_UNIT) - b;
7         DWunion w;
8
9         if (b == 0)
10                 return u;
11
12         if (bm <= 0) {
13                 /* w.s.high = 1..1 or 0..0 */
14                 w.s.high = uu.s.high >> (sizeof (Wtype) * BITS_PER_UNIT - 1);
15                 w.s.low = uu.s.high >> -bm;
16         } else {
17                 const UWtype carries = (UWtype) uu.s.high << bm;
18
19                 w.s.high = uu.s.high >> b;
20                 w.s.low = ((UWtype) uu.s.low >> b) | carries;
21         }
22
23         return w.ll;
24 }