1  /* Integer arithmetic support for Altera Nios II.
       2     
       3     Copyright (C) 2012-2023 Free Software Foundation, Inc.
       4     Contributed by Altera and Mentor Graphics, Inc.
       5  
       6     This file is free software; you can redistribute it and/or modify it
       7     under the terms of the GNU General Public License as published by the
       8     Free Software Foundation; either version 3, or (at your option) any
       9     later version.
      10     
      11     This file is distributed in the hope that it will be useful, but
      12     WITHOUT ANY WARRANTY; without even the implied warranty of
      13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14     General Public License for more details.
      15     
      16     Under Section 7 of GPL version 3, you are granted additional
      17     permissions described in the GCC Runtime Library Exception, version
      18     3.1, as published by the Free Software Foundation.
      19     
      20     You should have received a copy of the GNU General Public License and
      21     a copy of the GCC Runtime Library Exception along with this program;
      22     see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
      23     <http://www.gnu.org/licenses/>.  */
      24  
      25  #ifndef LIB2_NIOS2_H
      26  #define LIB2_NIOS2_H
      27  
      28  /* Types.  */
      29  
      30  typedef char QItype __attribute__ ((mode (QI)));
      31  typedef unsigned char UQItype __attribute__ ((mode (QI)));
      32  typedef short HItype __attribute__ ((mode (HI)));
      33  typedef unsigned short UHItype __attribute__ ((mode (HI)));
      34  typedef int SItype __attribute__ ((mode (SI)));
      35  typedef unsigned int USItype __attribute__ ((mode (SI)));
      36  typedef int word_type __attribute__ ((mode (__word__)));
      37  
      38  /* Exported functions.  */
      39  extern SItype __divsi3 (SItype, SItype);
      40  extern SItype __modsi3 (SItype, SItype);
      41  extern SItype __udivsi3 (SItype, SItype);
      42  extern SItype __umodsi3 (SItype, SItype);
      43  extern HItype __divhi3 (HItype, HItype);
      44  extern HItype __modhi3 (HItype, HItype);
      45  extern UHItype __udivhi3 (UHItype, UHItype);
      46  extern UHItype __umodhi3 (UHItype, UHItype);
      47  extern SItype __mulsi3 (SItype, SItype);
      48  
      49  #endif /* LIB2_NIOS2_H */