1// SPDX-License-Identifier: GPL-2.0
2#include <linux/export.h>
3
4#include "libgcc.h"
5
6long long __ashldi3(long long u, word_type b)
7{
8	DWunion uu, w;
9	word_type bm;
10
11	if (b == 0)
12		return u;
13
14	uu.ll = u;
15	bm = 32 - b;
16
17	if (bm <= 0) {
18		w.s.low = 0;
19		w.s.high = (unsigned int) uu.s.low << -bm;
20	} else {
21		const unsigned int carries = (unsigned int) uu.s.low >> bm;
22
23		w.s.low = (unsigned int) uu.s.low << b;
24		w.s.high = ((unsigned int) uu.s.high << b) | carries;
25	}
26
27	return w.ll;
28}
29EXPORT_SYMBOL(__ashldi3);
30