[u-boot.git] / arch / sh / lib / lshrdi3.c

#include "libgcc.h"

long long __lshrdi3(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.high = 0;
		w.s.low = (unsigned int) uu.s.high >> -bm;
	} else {
		const unsigned int carries = (unsigned int) uu.s.high << bm;

		w.s.high = (unsigned int) uu.s.high >> b;
		w.s.low = ((unsigned int) uu.s.low >> b) | carries;
	}

	return w.ll;
}
Commit	Line	Data
eeb84df6 PE	1	#include "libgcc.h"
	2
	3	long long __lshrdi3(long long u, word_type b)
	4	{
	5	DWunion uu, w;
	6	word_type bm;
	7
	8	if (b == 0)
	9	return u;
	10
	11	uu.ll = u;
	12	bm = 32 - b;
	13
	14	if (bm <= 0) {
	15	w.s.high = 0;
	16	w.s.low = (unsigned int) uu.s.high >> -bm;
	17	} else {
	18	const unsigned int carries = (unsigned int) uu.s.high << bm;
	19
	20	w.s.high = (unsigned int) uu.s.high >> b;
	21	w.s.low = ((unsigned int) uu.s.low >> b) \| carries;
	22	}
	23
	24	return w.ll;
	25	}