Subversion Repositories HelenOS-historic

Rev

Go to most recent revision | Blame | Compare with Previous | Last modification | View Log | Download | RSS feed

  1. /*
  2.  * Copyright (C) 2006 Josef Cejka
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. #ifndef __SOFTINT_DIVISION_H__
  30. #define __SOFTINT_DIVISION_H__
  31.  
  32.  
  33. /* 32bit integer division */
  34. int __divsi3(int a, int b);
  35.  
  36. /* 64bit integer division */
  37. long long __divdi3(long long a, long long b);
  38.  
  39. /* 32bit unsigned integer division */
  40. unsigned int __udivsi3(unsigned int a, unsigned int b);
  41.  
  42. /* 64bit unsigned integer division */
  43. unsigned long long __udivdi3(unsigned long long a, unsigned long long b);
  44.  
  45. /* 32bit remainder of the signed division */
  46. int __modsi3(int a, int b);
  47.  
  48. /* 64bit remainder of the signed division */
  49. long long __moddi3(long long a, long long b);
  50.  
  51. /* 32bit remainder of the unsigned division */
  52. unsigned int __umodsi3(unsigned int a, unsigned int b);
  53.  
  54. /* 64bit remainder of the unsigned division */
  55. unsigned long long __umoddi3(unsigned long long a, unsigned long long b);
  56.  
  57. unsigned long long __udivmoddi3(unsigned long long a, unsigned long long b, unsigned long long *c);
  58.  
  59. #endif
  60.  
  61.