satip-axe/kernel/arch/sh/lib/ashldi3.c
2015-03-26 17:24:57 +01:00

30 lines
475 B
C

#include <linux/module.h>
#include "libgcc.h"
long long __ashldi3(long long u, word_type b)
{
DWunion uu, w;
word_type bm;
if (b == 0)
return u;
uu.ll = u;
bm = 32 - b;
if (bm <= 0) {
w.s.low = 0;
w.s.high = (unsigned int) uu.s.low << -bm;
} else {
const unsigned int carries = (unsigned int) uu.s.low >> bm;
w.s.low = (unsigned int) uu.s.low << b;
w.s.high = ((unsigned int) uu.s.high << b) | carries;
}
return w.ll;
}
EXPORT_SYMBOL(__ashldi3);