Linux Audio

Check our new training course

Loading...
v3.1
 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);
v4.17
 1// SPDX-License-Identifier: GPL-2.0
 2#include <linux/export.h>
 3
 4#include "libgcc.h"
 5
 6long long notrace __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}
29
30EXPORT_SYMBOL(__ashldi3);