You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
35 lines
619 B
35 lines
619 B
/*
|
|
* Copyright 2004-2009 Analog Devices Inc.
|
|
*
|
|
* Licensed under the GPL-2 or later.
|
|
*/
|
|
|
|
#include "gcclib.h"
|
|
|
|
#ifdef CONFIG_ARITHMETIC_OPS_L1
|
|
DItype __ashldi3(DItype u, word_type b)__attribute__((l1_text));
|
|
#endif
|
|
|
|
DItype __ashldi3(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.low = 0;
|
|
w.s.high = (USItype) uu.s.low << -bm;
|
|
} else {
|
|
USItype carries = (USItype) uu.s.low >> bm;
|
|
w.s.low = (USItype) uu.s.low << b;
|
|
w.s.high = ((USItype) uu.s.high << b) | carries;
|
|
}
|
|
|
|
return w.ll;
|
|
}
|
|
|