apps/plugins/fractals/cpu_arm.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
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   8  * $Id$
   9  *
  10  * Copyright (C) 2009 Tomer Shalev
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #ifndef _CPU_ARM_H
  23 #define _CPU_ARM_H
  24
  25 inline static long muls32_asr26(long a, long b)
  26 {
  27     long r, t1;
  28     asm (
  29         "smull   %[r], %[t1], %[a], %[b]     \n"
  30         "mov     %[r], %[r], lsr #26         \n"
  31         "orr     %[r], %[r], %[t1], lsl #6   \n"
  32         : /* outputs */
  33         [r] "=&r,&r,&r"(r),
  34         [t1]"=&r,&r,&r"(t1)
  35         : /* inputs */
  36         [a] "%r,%r,%r" (a),
  37         [b] "r,0,1" (b)
  38     );
  39     return r;
  40 }
  41
  42 #endif