Mercurial > hg > CbC > CbC_gcc
comparison gcc/config/soft-fp/addtf3.c @ 0:a06113de4d67
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author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
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-1:000000000000 | 0:a06113de4d67 |
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1 /* Software floating-point emulation. | |
2 Return a + b | |
3 Copyright (C) 1997,1999,2006 Free Software Foundation, Inc. | |
4 This file is part of the GNU C Library. | |
5 Contributed by Richard Henderson (rth@cygnus.com) and | |
6 Jakub Jelinek (jj@ultra.linux.cz). | |
7 | |
8 The GNU C Library is free software; you can redistribute it and/or | |
9 modify it under the terms of the GNU Lesser General Public | |
10 License as published by the Free Software Foundation; either | |
11 version 2.1 of the License, or (at your option) any later version. | |
12 | |
13 In addition to the permissions in the GNU Lesser General Public | |
14 License, the Free Software Foundation gives you unlimited | |
15 permission to link the compiled version of this file into | |
16 combinations with other programs, and to distribute those | |
17 combinations without any restriction coming from the use of this | |
18 file. (The Lesser General Public License restrictions do apply in | |
19 other respects; for example, they cover modification of the file, | |
20 and distribution when not linked into a combine executable.) | |
21 | |
22 The GNU C Library is distributed in the hope that it will be useful, | |
23 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
24 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
25 Lesser General Public License for more details. | |
26 | |
27 You should have received a copy of the GNU Lesser General Public | |
28 License along with the GNU C Library; if not, write to the Free | |
29 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, | |
30 MA 02110-1301, USA. */ | |
31 | |
32 #include "soft-fp.h" | |
33 #include "quad.h" | |
34 | |
35 TFtype __addtf3(TFtype a, TFtype b) | |
36 { | |
37 FP_DECL_EX; | |
38 FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(R); | |
39 TFtype r; | |
40 | |
41 FP_INIT_ROUNDMODE; | |
42 FP_UNPACK_SEMIRAW_Q(A, a); | |
43 FP_UNPACK_SEMIRAW_Q(B, b); | |
44 FP_ADD_Q(R, A, B); | |
45 FP_PACK_SEMIRAW_Q(r, R); | |
46 FP_HANDLE_EXCEPTIONS; | |
47 | |
48 return r; | |
49 } |