1// SPDX-License-Identifier: GPL-2.0
 2#include "libgcc.h"
 3
 4DWtype
 5__ashldi3(DWtype u, word_type b)
 6{
 7	const DWunion uu = {.ll = u};
 8	const word_type bm = (sizeof (Wtype) * BITS_PER_UNIT) - b;
 9	DWunion w;
10
11	if (b == 0)
12		return u;
13
14	if (bm <= 0) {
15		w.s.low = 0;
16		w.s.high = (UWtype) uu.s.low << -bm;
17	} else {
18		const UWtype carries = (UWtype) uu.s.low >> bm;
19
20		w.s.low = (UWtype) uu.s.low << b;
21		w.s.high = ((UWtype) uu.s.high << b) | carries;
22	}
23
24	return w.ll;
25}

 1// SPDX-License-Identifier: GPL-2.0
 2#include "libgcc.h"
 3
 4DWtype
 5__ashldi3(DWtype u, word_type b)
 6{
 7	const DWunion uu = {.ll = u};
 8	const word_type bm = (sizeof (Wtype) * BITS_PER_UNIT) - b;
 9	DWunion w;
10
11	if (b == 0)
12		return u;
13
14	if (bm <= 0) {
15		w.s.low = 0;
16		w.s.high = (UWtype) uu.s.low << -bm;
17	} else {
18		const UWtype carries = (UWtype) uu.s.low >> bm;
19
20		w.s.low = (UWtype) uu.s.low << b;
21		w.s.high = ((UWtype) uu.s.high << b) | carries;
22	}
23
24	return w.ll;
25}