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The C and C++ Include Header Files

/usr/include/c++/13/experimental/simd


$ cat -n /usr/include/c++/13/experimental/simd

     1	// Components for element-wise operations on data-parallel objects -*- C++ -*-
     2	
     3	// Copyright (C) 2020-2023 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 §9 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 __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	#elif __ALTIVEC__
    84	#include "bits/simd_ppc.h"
    85	#endif
    86	#include "bits/simd_math.h"
    87	
    88	#pragma GCC diagnostic pop
    89	
    90	#endif // C++17
    91	#endif // _GLIBCXX_EXPERIMENTAL_SIMD
    92	// vim: ft=cpp