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.
42 lines
1.7 KiB
42 lines
1.7 KiB
/*
|
|
* Linux/PA-RISC Project (http://www.parisc-linux.org/)
|
|
*
|
|
* Floating-point emulation code
|
|
* Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifdef __NO_PA_HDRS
|
|
PA header file -- do not include this header file for non-PA builds.
|
|
#endif
|
|
|
|
|
|
/* amount is assumed to be a constant between 0 and 32 (non-inclusive) */
|
|
#define Shiftdouble(left,right,amount,dest) \
|
|
/* int left, right, amount, dest; */ \
|
|
dest = ((left) << (32-(amount))) | ((unsigned int)(right) >> (amount))
|
|
|
|
/* amount must be less than 32 */
|
|
#define Variableshiftdouble(left,right,amount,dest) \
|
|
/* unsigned int left, right; int amount, dest; */ \
|
|
if (amount == 0) dest = right; \
|
|
else dest = ((((unsigned) left)&0x7fffffff) << (32-(amount))) | \
|
|
((unsigned) right >> (amount))
|
|
|
|
/* amount must be between 0 and 32 (non-inclusive) */
|
|
#define Variable_shift_double(left,right,amount,dest) \
|
|
/* unsigned int left, right; int amount, dest; */ \
|
|
dest = (left << (32-(amount))) | ((unsigned) right >> (amount))
|
|
|