/arch/sh/lib/ashldi3.c

 1#include <linux/module.h>
 2
 3#include "libgcc.h"
 4
 5long long __ashldi3(long long u, word_type b)
 6{
 7	DWunion uu, w;
 8	word_type bm;
 9
10	if (b == 0)
11		return u;
12
13	uu.ll = u;
14	bm = 32 - b;
15
16	if (bm <= 0) {
17		w.s.low = 0;
18		w.s.high = (unsigned int) uu.s.low << -bm;
19	} else {
20		const unsigned int carries = (unsigned int) uu.s.low >> bm;
21
22		w.s.low = (unsigned int) uu.s.low << b;
23		w.s.high = ((unsigned int) uu.s.high << b) | carries;
24	}
25
26	return w.ll;
27}
28
29EXPORT_SYMBOL(__ashldi3);