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/arch/parisc/math-emu/hppa.h

https://github.com/aicjofs/android_kernel_lge_v500_20d
C Header | 42 lines | 14 code | 5 blank | 23 comment | 4 complexity | 826b5704ec82e5f2afaf4895ff19ad63 MD5 | raw file
 1/*
 2 * Linux/PA-RISC Project (http://www.parisc-linux.org/)
 3 *
 4 * Floating-point emulation code
 5 *  Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
 6 *
 7 *    This program is free software; you can redistribute it and/or modify
 8 *    it under the terms of the GNU General Public License as published by
 9 *    the Free Software Foundation; either version 2, or (at your option)
10 *    any later version.
11 *
12 *    This program is distributed in the hope that it will be useful,
13 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
14 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 *    GNU General Public License for more details.
16 *
17 *    You should have received a copy of the GNU General Public License
18 *    along with this program; if not, write to the Free Software
19 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20 */
21
22#ifdef __NO_PA_HDRS
23    PA header file -- do not include this header file for non-PA builds.
24#endif
25
26
27/* amount is assumed to be a constant between 0 and 32 (non-inclusive) */
28#define Shiftdouble(left,right,amount,dest)			\
29    /* int left, right, amount, dest; */			\
30    dest = ((left) << (32-(amount))) | ((unsigned int)(right) >> (amount))
31
32/* amount must be less than 32 */
33#define Variableshiftdouble(left,right,amount,dest)		\
34    /* unsigned int left, right;  int amount, dest; */		\
35    if (amount == 0) dest = right;				\
36    else dest = ((((unsigned) left)&0x7fffffff) << (32-(amount))) |	\
37          ((unsigned) right >> (amount))
38
39/* amount must be between 0 and 32 (non-inclusive) */
40#define Variable_shift_double(left,right,amount,dest)		\
41    /* unsigned int left, right;  int amount, dest; */		\
42    dest = (left << (32-(amount))) | ((unsigned) right >> (amount))