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76f2ed92 | 1 | /* Macros to control TS 18661-3 glibc features on MIPS platforms. |
d614a753 | 2 | Copyright (C) 2017-2020 Free Software Foundation, Inc. |
76f2ed92 JM |
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 | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
76f2ed92 JM |
18 | |
19 | #ifndef _BITS_FLOATN_H | |
20 | #define _BITS_FLOATN_H | |
21 | ||
22 | #include <features.h> | |
23 | #include <bits/long-double.h> | |
24 | ||
25 | /* Defined to 1 if the current compiler invocation provides a | |
26 | floating-point type with the IEEE 754 binary128 format, and this | |
27 | glibc includes corresponding *f128 interfaces for it. */ | |
28 | #ifndef __NO_LONG_DOUBLE_MATH | |
29 | # define __HAVE_FLOAT128 1 | |
30 | #else | |
31 | /* glibc does not support _Float128 for platforms where long double is | |
32 | normally binary128 when building with long double as binary64. | |
33 | GCC's default for supported scalar modes does not support it either | |
34 | in that case. */ | |
35 | # define __HAVE_FLOAT128 0 | |
36 | #endif | |
37 | ||
38 | /* Defined to 1 if __HAVE_FLOAT128 is 1 and the type is ABI-distinct | |
39 | from the default float, double and long double types in this glibc. */ | |
40 | #define __HAVE_DISTINCT_FLOAT128 0 | |
41 | ||
a23aa5b7 JM |
42 | /* Defined to 1 if the current compiler invocation provides a |
43 | floating-point type with the right format for _Float64x, and this | |
44 | glibc includes corresponding *f64x interfaces for it. */ | |
45 | #define __HAVE_FLOAT64X __HAVE_FLOAT128 | |
46 | ||
47 | /* Defined to 1 if __HAVE_FLOAT64X is 1 and _Float64x has the format | |
48 | of long double. Otherwise, if __HAVE_FLOAT64X is 1, _Float64x has | |
49 | the format of _Float128, which must be different from that of long | |
50 | double. */ | |
51 | #define __HAVE_FLOAT64X_LONG_DOUBLE __HAVE_FLOAT128 | |
52 | ||
015c6dc2 JM |
53 | #ifndef __ASSEMBLER__ |
54 | ||
76f2ed92 JM |
55 | /* Defined to concatenate the literal suffix to be used with _Float128 |
56 | types, if __HAVE_FLOAT128 is 1. */ | |
015c6dc2 JM |
57 | # if __HAVE_FLOAT128 |
58 | # if !__GNUC_PREREQ (7, 0) || defined __cplusplus | |
76f2ed92 | 59 | /* The literal suffix f128 exists only since GCC 7.0. */ |
015c6dc2 JM |
60 | # define __f128(x) x##l |
61 | # else | |
62 | # define __f128(x) x##f128 | |
63 | # endif | |
76f2ed92 | 64 | # endif |
76f2ed92 JM |
65 | |
66 | /* Defined to a complex binary128 type if __HAVE_FLOAT128 is 1. */ | |
015c6dc2 JM |
67 | # if __HAVE_FLOAT128 |
68 | # if !__GNUC_PREREQ (7, 0) || defined __cplusplus | |
69 | # define __CFLOAT128 _Complex long double | |
70 | # else | |
71 | # define __CFLOAT128 _Complex _Float128 | |
72 | # endif | |
76f2ed92 | 73 | # endif |
76f2ed92 JM |
74 | |
75 | /* The remaining of this file provides support for older compilers. */ | |
015c6dc2 | 76 | # if __HAVE_FLOAT128 |
76f2ed92 JM |
77 | |
78 | /* The type _Float128 exists only since GCC 7.0. */ | |
015c6dc2 | 79 | # if !__GNUC_PREREQ (7, 0) || defined __cplusplus |
76f2ed92 | 80 | typedef long double _Float128; |
015c6dc2 | 81 | # endif |
76f2ed92 JM |
82 | |
83 | /* Various built-in functions do not exist before GCC 7.0. */ | |
015c6dc2 JM |
84 | # if !__GNUC_PREREQ (7, 0) |
85 | # define __builtin_huge_valf128() (__builtin_huge_vall ()) | |
86 | # define __builtin_inff128() (__builtin_infl ()) | |
87 | # define __builtin_nanf128(x) (__builtin_nanl (x)) | |
88 | # define __builtin_nansf128(x) (__builtin_nansl (x)) | |
89 | # endif | |
90 | ||
76f2ed92 JM |
91 | # endif |
92 | ||
015c6dc2 | 93 | #endif /* !__ASSEMBLER__. */ |
76f2ed92 | 94 | |
797ba44b JM |
95 | #include <bits/floatn-common.h> |
96 | ||
76f2ed92 | 97 | #endif /* _BITS_FLOATN_H */ |