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a5544970 | 1 | /* Copyright (C) 2008-2019 Free Software Foundation, Inc. |
c252db20 L |
2 | |
3 | This file is part of GCC. | |
4 | ||
5 | GCC is free software; you can redistribute it and/or modify it under | |
6 | the terms of the GNU General Public License as published by the Free | |
748086b7 | 7 | Software Foundation; either version 3, or (at your option) any later |
c252db20 L |
8 | version. |
9 | ||
c252db20 L |
10 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
11 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
13 | for more details. | |
14 | ||
748086b7 JJ |
15 | Under Section 7 of GPL version 3, you are granted additional |
16 | permissions described in the GCC Runtime Library Exception, version | |
17 | 3.1, as published by the Free Software Foundation. | |
18 | ||
19 | You should have received a copy of the GNU General Public License and | |
20 | a copy of the GCC Runtime Library Exception along with this program; | |
21 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
22 | <http://www.gnu.org/licenses/>. */ | |
c252db20 L |
23 | |
24 | union _FP_UNION_Q | |
25 | { | |
26 | __float128 flt; | |
27 | struct | |
28 | { | |
7d6aa9a6 UB |
29 | unsigned long frac0 : 64; |
30 | unsigned long frac1 : 48; | |
c252db20 L |
31 | unsigned exp : 15; |
32 | unsigned sign : 1; | |
33 | } bits __attribute__((packed)); | |
34 | }; | |
35 | ||
ba181049 UB |
36 | __float128 __copysigntf3 (__float128, __float128); |
37 | __float128 __fabstf2 (__float128); | |
7d6aa9a6 | 38 | int __signbittf2 (__float128); |
ba181049 | 39 | |
c252db20 L |
40 | __float128 |
41 | __copysigntf3 (__float128 a, __float128 b) | |
42 | { | |
43 | union _FP_UNION_Q A, B; | |
44 | ||
45 | A.flt = a; | |
46 | B.flt = b; | |
47 | A.bits.sign = B.bits.sign; | |
48 | ||
49 | return A.flt; | |
50 | } | |
51 | ||
52 | __float128 | |
53 | __fabstf2 (__float128 a) | |
54 | { | |
55 | union _FP_UNION_Q A; | |
56 | ||
57 | A.flt = a; | |
58 | A.bits.sign = 0; | |
59 | ||
60 | return A.flt; | |
61 | } | |
7d6aa9a6 UB |
62 | |
63 | int | |
64 | __signbittf2 (__float128 a) | |
65 | { | |
66 | union _FP_UNION_Q A; | |
67 | ||
68 | A.flt = a; | |
69 | ||
70 | return A.bits.sign; | |
71 | } |