libstdc++
simd
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1 // Components for element-wise operations on data-parallel objects -*- C++ -*-
2 
3 // Copyright (C) 2020-2025 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10 
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
15 
16 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
19 
20 // You should have received a copy of the GNU General Public License and
21 // a copy of the GCC Runtime Library Exception along with this program;
22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 // <http://www.gnu.org/licenses/>.
24 
25 /** @file experimental/simd
26  * This is a TS C++ Library header.
27  */
28 
29 //
30 // N4773 ยง9 data-parallel types library
31 //
32 
33 #ifndef _GLIBCXX_EXPERIMENTAL_SIMD
34 #define _GLIBCXX_EXPERIMENTAL_SIMD
35 
36 #include <bits/requires_hosted.h> // experimental is currently omitted
37 
38 #if __cplusplus >= 201703L
39 
40 /** @defgroup par-ts Parallelism TS
41  * @ingroup experimental
42  *
43  * Components defined by the _C++ Extensions for Parallelism_
44  * Technical Specification.
45  *
46  * - ISO/IEC TS 19570:2015 C++ Extensions for Parallelism
47  * - ISO/IEC TS 19570:2018 C++ Extensions for Parallelism, Version 2
48  */
49 
50 /** @defgroup ts_simd Data parallel extensions
51  * @ingroup par-ts
52  *
53  * Data-parallel types library.
54  * @since C++17
55  */
56 /// @ingroup ts_simd
57 #define __cpp_lib_experimental_parallel_simd 201803
58 
59 #pragma GCC diagnostic push
60 // Many [[gnu::vector_size(N)]] types might lead to a -Wpsabi warning which is
61 // irrelevant as those functions never appear on ABI borders
62 #ifndef _GLIBCXX_CLANG
63 #pragma GCC diagnostic ignored "-Wpsabi"
64 #endif
65 
66 // If __OPTIMIZE__ is not defined some intrinsics are defined as macros, making
67 // use of C casts internally. This requires us to disable the warning as it
68 // would otherwise yield many false positives.
69 #ifndef __OPTIMIZE__
70 #pragma GCC diagnostic ignored "-Wold-style-cast"
71 #endif
72 
73 #include "bits/simd_detail.h"
74 #include "bits/simd.h"
75 #include "bits/simd_fixed_size.h"
76 #include "bits/simd_scalar.h"
77 #include "bits/simd_builtin.h"
78 #include "bits/simd_converter.h"
79 #if _GLIBCXX_SIMD_X86INTRIN
80 #include "bits/simd_x86.h"
81 #elif _GLIBCXX_SIMD_HAVE_NEON
82 #include "bits/simd_neon.h"
83 #if _GLIBCXX_SIMD_HAVE_SVE
84 #include "bits/simd_sve.h"
85 #endif
86 #elif __ALTIVEC__
87 #include "bits/simd_ppc.h"
88 #endif
89 #include "bits/simd_math.h"
90 
91 #pragma GCC diagnostic pop
92 
93 #endif // C++17
94 #endif // _GLIBCXX_EXPERIMENTAL_SIMD
95 // vim: ft=cpp