hppa.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:2k
- /*
- * 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., 675 Mass Ave, Cambridge, MA 02139, 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))