Orange Pi5 kernel

// SPDX-License-Identifier: GPL-2.0
#include "libgcc.h"
 
DWtype __lshrdi3(DWtype u, word_type b)
{
<------>const DWunion uu = {.ll = u};
<------>const word_type bm = (sizeof (Wtype) * BITS_PER_UNIT) - b;
<------>DWunion w;
 
<------>if (b == 0)
<------><------>return u;
 
<------>if (bm <= 0) {
<------><------>w.s.high = 0;
<------><------>w.s.low = (UWtype) uu.s.high >> -bm;
<------>} else {
<------><------>const UWtype carries = (UWtype) uu.s.high << bm;
 
<------><------>w.s.high = (UWtype) uu.s.high >> b;
<------><------>w.s.low = ((UWtype) uu.s.low >> b) | carries;
<------>}
 
<------>return w.ll;
}