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/*
* Copyright 2004-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#include "gcclib.h"
#ifdef CONFIG_ARITHMETIC_OPS_L1
DItype __ashrdi3(DItype u, word_type b)__attribute__((l1_text));
#endif
DItype __ashrdi3(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 = 1..1 or 0..0 */
w.s.high = uu.s.high >> (sizeof(SItype) * BITS_PER_UNIT - 1);
w.s.low = uu.s.high >> -bm;
} else {
USItype carries = (USItype) uu.s.high << bm;
w.s.high = uu.s.high >> b;
w.s.low = ((USItype) uu.s.low >> b) | carries;
}
return w.ll;
}
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