| /* Software floating-point emulation. |
| Return an IEEE half converted to IEEE quad |
| Copyright (C) 1997-2019 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| In addition to the permissions in the GNU Lesser General Public |
| License, the Free Software Foundation gives you unlimited |
| permission to link the compiled version of this file into |
| combinations with other programs, and to distribute those |
| combinations without any restriction coming from the use of this |
| file. (The Lesser General Public License restrictions do apply in |
| other respects; for example, they cover modification of the file, |
| and distribution when not linked into a combine executable.) |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #define FP_NO_EXACT_UNDERFLOW |
| #include "soft-fp.h" |
| #include "half.h" |
| #include "quad.h" |
| |
| TFtype |
| __extendhftf2 (HFtype a) |
| { |
| FP_DECL_EX; |
| FP_DECL_H (A); |
| FP_DECL_Q (R); |
| TFtype r; |
| |
| FP_INIT_EXCEPTIONS; |
| FP_UNPACK_RAW_H (A, a); |
| #if _FP_W_TYPE_SIZE < 64 |
| FP_EXTEND (Q, H, 4, 1, R, A); |
| #else |
| FP_EXTEND (Q, H, 2, 1, R, A); |
| #endif |
| FP_PACK_RAW_Q (r, R); |
| FP_HANDLE_EXCEPTIONS; |
| |
| return r; |
| } |