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fb088911 | 1 | /* Software floating-point emulation: floating point extension. |
d4697bc9 | 2 | Copyright (C) 1997-2014 Free Software Foundation, Inc. |
fb088911 RH |
3 | This file is part of the GNU C Library. |
4 | Contributed by Richard Henderson (rth@cygnus.com) and | |
5 | Jakub Jelinek (jj@ultra.linux.cz). | |
6 | ||
7 | The GNU C Library is free software; you can redistribute it and/or | |
8 | modify it under the terms of the GNU Lesser General Public | |
9 | License as published by the Free Software Foundation; either | |
10 | version 2.1 of the License, or (at your option) any later version. | |
11 | ||
12 | The GNU C Library is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public | |
ab84e3ff PE |
18 | License along with the GNU C Library. If not, see |
19 | <http://www.gnu.org/licenses/>. */ | |
fb088911 RH |
20 | |
21 | #include "local-soft-fp.h" | |
22 | #include "double.h" | |
23 | ||
24 | /* Should never actually be used, since we're extending, but needed | |
25 | for linkage. */ | |
26 | #undef FP_ROUNDMODE | |
27 | #define FP_ROUNDMODE FP_RND_ZERO | |
28 | ||
29 | void | |
30 | _OtsConvertFloatTX(double a) | |
31 | { | |
32 | FP_DECL_EX; | |
33 | FP_DECL_D(A); | |
34 | FP_DECL_Q(C); | |
35 | FP_DECL_RETURN(c); | |
36 | ||
a991de32 | 37 | FP_UNPACK_RAW_D(A, a); |
fb088911 | 38 | #if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q |
a991de32 | 39 | FP_EXTEND(Q,D,4,2,C,A); |
fb088911 | 40 | #else |
a991de32 | 41 | FP_EXTEND(Q,D,2,1,C,A); |
fb088911 | 42 | #endif |
a991de32 | 43 | FP_PACK_RAW_Q(c, C); |
fb088911 RH |
44 | FP_HANDLE_EXCEPTIONS; |
45 | ||
46 | FP_RETURN(c); | |
47 | } |