1  /* Software floating-point emulation: floating point extension.
       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 "local-soft-fp.h"
      20  #include "double.h"
      21  
      22  /* Should never actually be used, since we're extending, but needed
      23     for linkage.  */
      24  #undef FP_ROUNDMODE
      25  #define FP_ROUNDMODE  FP_RND_ZERO
      26  
      27  void
      28  _OtsConvertFloatTX(double a)
      29  {
      30    FP_DECL_EX;
      31    FP_DECL_D(A);
      32    FP_DECL_Q(C);
      33    AXP_DECL_RETURN_Q(c);
      34  
      35    FP_UNPACK_RAW_D(A, a);
      36  #if _FP_W_TYPE_SIZE < 64
      37    FP_EXTEND(Q,D,4,2,C,A);
      38  #else
      39    FP_EXTEND(Q,D,2,1,C,A);
      40  #endif
      41    AXP_PACK_RAW_Q(c, C);
      42    FP_HANDLE_EXCEPTIONS;
      43  
      44    AXP_RETURN_Q(c);
      45  }