Xenomai  3.0-rc6
arith.h
1 /*
2  * Copyright (C) 2009 Philippe Gerum <rpm@xenomai.org>.
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13 
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
17  */
18 #ifndef _COBALT_NIOS2_ASM_UAPI_ARITH_H
19 #define _COBALT_NIOS2_ASM_UAPI_ARITH_H
20 
21 #include <asm/xenomai/uapi/features.h>
22 
23 #define xnarch_add96and64(l0, l1, l2, s0, s1) \
24  do { \
25  __asm__ ("add %2, %2, %4\n\t" \
26  "cmpltu r8, %2, %4\n\t" \
27  "add %1, %1, %3\n\t" \
28  "cmpltu r9, %1, %3\n\t" \
29  "add %1, %1, r8\n\t" \
30  "cmpltu r8, %1, r8\n\t" \
31  "add r9, r9, r8\n\t" \
32  "add %0, %0, r9\n\t" \
33  : "=r"(l0), "=&r"(l1), "=&r"(l2) \
34  : "r"(s0), "r"(s1), "0"(l0), "1"(l1), "2"(l2) \
35  : "r8", "r9"); \
36  } while (0);
37 
38 #include <cobalt/uapi/asm-generic/arith.h>
39 
40 #endif /* _COBALT_NIOS2_ASM_UAPI_ARITH_H */