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-rw-r--r--arch/parisc/math-emu/hppa.h42
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diff --git a/arch/parisc/math-emu/hppa.h b/arch/parisc/math-emu/hppa.h
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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))