1  /* Software floating-point emulation.
       2     Return (long)(*a)
       3     Copyright (C) 1997-2023 Free Software Foundation, Inc.
       4     This file is part of the GNU C Library.
       5  
       6     The GNU C Library is free software; you can redistribute it and/or
       7     modify it under the terms of the GNU Lesser General Public
       8     License as published by the Free Software Foundation; either
       9     version 2.1 of the License, or (at your option) any later version.
      10  
      11     The GNU C Library is distributed in the hope that it will be useful,
      12     but WITHOUT ANY WARRANTY; without even the implied warranty of
      13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14     Lesser General Public License for more details.
      15  
      16     You should have received a copy of the GNU Lesser General Public
      17     License along with the GNU C Library; if not, see
      18     <https://www.gnu.org/licenses/>.  */
      19  
      20  #define FP_ROUNDMODE FP_RND_ZERO
      21  #include "soft-fp.h"
      22  #include "quad.h"
      23  
      24  long _Qp_qtox(const long double *a)
      25  {
      26    FP_DECL_EX;
      27    FP_DECL_Q(A);
      28    unsigned long r;
      29  
      30    FP_INIT_ROUNDMODE;
      31    FP_UNPACK_RAW_QP(A, a);
      32    FP_TO_INT_Q(r, A, 64, 1);
      33    QP_HANDLE_EXCEPTIONS(
      34  	long rx;
      35  	__asm (
      36  "	ldd [%1], %%f52\n"
      37  "	ldd [%1+8], %%f54\n"
      38  "	fqtox %%f52, %%f60\n"
      39  "	std %%f60, [%0]\n"
      40  "	" : : "r" (&rx), "r" (a) : QP_CLOBBER);
      41  	r = rx);
      42  
      43    return r;
      44  }