1#include "libgcc.h"
2
3DWtype
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}
25