/* | |
* Copyright 2004-2009 Analog Devices Inc. | |
* | |
* Licensed under the GPL-2 or later. | |
*/ | |
#include "gcclib.h" | |
#ifdef CONFIG_ARITHMETIC_OPS_L1 | |
DItype __lshrdi3(DItype u, word_type b)__attribute__((l1_text)); | |
#endif | |
DItype __lshrdi3(DItype u, word_type b) | |
{ | |
DIunion w; | |
word_type bm; | |
DIunion uu; | |
if (b == 0) | |
return u; | |
uu.ll = u; | |
bm = (sizeof(SItype) * BITS_PER_UNIT) - b; | |
if (bm <= 0) { | |
w.s.high = 0; | |
w.s.low = (USItype) uu.s.high >> -bm; | |
} else { | |
USItype carries = (USItype) uu.s.high << bm; | |
w.s.high = (USItype) uu.s.high >> b; | |
w.s.low = ((USItype) uu.s.low >> b) | carries; | |
} | |
return w.ll; | |
} |