arch/v850/lib/negdi2.c

   1 /*
   2  * arch/v850/lib/negdi2.c -- 64-bit negation
   3  *
   4  *  Copyright (C) 2001  NEC Corporation
   5  *  Copyright (C) 2001  Miles Bader <miles@gnu.org>
   6  *
   7  * This file is subject to the terms and conditions of the GNU General
   8  * Public License.  See the file COPYING in the main directory of this
   9  * archive for more details.
  10  *
  11  * Written by Miles Bader <miles@gnu.org>
  12  */
  13
  14 typedef          int DItype     __attribute__ ((mode (DI)));
  15
  16 DItype __negdi2 (DItype x)
  17 {
  18         __asm__ __volatile__
  19                 ("not   r6, r10;"
  20                  "add   1, r10;"
  21                  "setf  c, r6;"
  22                  "not   r7, r11;"
  23                  "add   r6, r11"
  24                  ::: "r6", "r7", "r10", "r11");
  25 }