1  /* Compute remainder and a congruent to the quotient.  m68k fpu version
       2     Copyright (C) 1997-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library.  If not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <math.h>
      20  
      21  FLOAT
      22  M_DECL_FUNC (__remquo) (FLOAT x, FLOAT y, int *quo)
      23  {
      24    FLOAT result;
      25    int cquo, fpsr;
      26  
      27    __asm ("frem%.x %2,%0\n\tfmove%.l %/fpsr,%1"
      28  	 : "=f" (result), "=dm" (fpsr) : "f" (y), "0" (x));
      29    cquo = (fpsr >> 16) & 0x7f;
      30    if (fpsr & (1 << 23))
      31      cquo = -cquo;
      32    *quo = cquo;
      33    return result;
      34  }
      35  declare_mgen_alias (__remquo, remquo)