include/asm-nios2/arith.h

   1 /*
   2  * Copyright (C) 2009 Philippe Gerum <rpm@xenomai.org>.
   3  *
   4  * Xenomai is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * Xenomai is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with Xenomai; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  17  * 02111-1307, USA.
  18  */
  19
  20 #ifndef _XENO_ASM_NIOS2_ARITH_H
  21 #define _XENO_ASM_NIOS2_ARITH_H
  22
  23 #include <asm/xenomai/features.h>
  24
  25 #define __rthal_add96and64(l0, l1, l2, s0, s1)                          \
  26         do {                                                            \
  27                 __asm__ ("add %2, %2, %4\n\t"                           \
  28                          "cmpltu r8, %2, %4\n\t"                        \
  29                          "add %1, %1, %3\n\t"                           \
  30                          "cmpltu r9, %1, %3\n\t"                        \
  31                          "add %1, %1, r8\n\t"                           \
  32                          "cmpltu r8, %1, r8\n\t"                        \
  33                          "add r9, r9, r8\n\t"                           \
  34                          "add %0, %0, r9\n\t"                           \
  35                          : "=r"(l0), "=&r"(l1), "=&r"(l2)               \
  36                          : "r"(s0), "r"(s1), "0"(l0), "1"(l1), "2"(l2)  \
  37                          : "r8", "r9");                                 \
  38         } while (0);
  39
  40 #include <asm-generic/xenomai/arith.h>
  41
  42 #endif /* _XENO_ASM_NIOS2_ARITH_H */