libstdc++-v3/include/pstl/pstl_config.h - gcc - Git at Google

 // -*- C++ -*-
 //===-- pstl_config.h -----------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//

 #ifndef _PSTL_CONFIG_H
 #define _PSTL_CONFIG_H

 // The version is XYYZ, where X is major, YY is minor, and Z is patch (i.e. X.YY.Z)
 #define _PSTL_VERSION 12000
 #define _PSTL_VERSION_MAJOR (_PSTL_VERSION / 1000)
 #define _PSTL_VERSION_MINOR ((_PSTL_VERSION % 1000) / 10)
 #define _PSTL_VERSION_PATCH (_PSTL_VERSION % 10)

 #if !defined(_PSTL_PAR_BACKEND_SERIAL) && !defined(_PSTL_PAR_BACKEND_TBB)
 #    error "A parallel backend must be specified"
 #endif

 // Check the user-defined macro for warnings
 #if defined(PSTL_USAGE_WARNINGS)
 #    undef _PSTL_USAGE_WARNINGS
 #    define _PSTL_USAGE_WARNINGS PSTL_USAGE_WARNINGS
 // Check the internal macro for warnings
 #elif !defined(_PSTL_USAGE_WARNINGS)
 #    define _PSTL_USAGE_WARNINGS 0
 #endif

 // Portability "#pragma" definition
 #ifdef _MSC_VER
 #    define _PSTL_PRAGMA(x) __pragma(x)
 #else
 #    define _PSTL_PRAGMA(x) _Pragma(#    x)
 #endif

 #define _PSTL_STRING_AUX(x) #x
 #define _PSTL_STRING(x) _PSTL_STRING_AUX(x)
 #define _PSTL_STRING_CONCAT(x, y) x #y

 #ifdef _PSTL_HIDE_FROM_ABI_PER_TU
 #    define _PSTL_HIDE_FROM_ABI_PUSH                                                                                   \
         _Pragma("clang attribute push(__attribute__((internal_linkage)), apply_to=any(function,record))")
 #    define _PSTL_HIDE_FROM_ABI_POP _Pragma("clang attribute pop")
 #else
 #    define _PSTL_HIDE_FROM_ABI_PUSH /* nothing */
 #    define _PSTL_HIDE_FROM_ABI_POP  /* nothing */
 #endif

 // note that when ICC or Clang is in use, _PSTL_GCC_VERSION might not fully match
 // the actual GCC version on the system.
 #define _PSTL_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)

 #if __clang__
 // according to clang documentation, version can be vendor specific
 #    define _PSTL_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
 #endif

 // Enable SIMD for compilers that support OpenMP 4.0
 #if (_OPENMP >= 201307) || (__INTEL_COMPILER >= 1600) || (!defined(__INTEL_COMPILER) && _PSTL_GCC_VERSION >= 40900) || \
     defined(__clang__)
 #    define _PSTL_PRAGMA_SIMD _PSTL_PRAGMA(omp simd)
 #    define _PSTL_PRAGMA_DECLARE_SIMD _PSTL_PRAGMA(omp declare simd)
 #    define _PSTL_PRAGMA_SIMD_REDUCTION(PRM) _PSTL_PRAGMA(omp simd reduction(PRM))
 #elif !defined(_MSC_VER) //#pragma simd
 #    define _PSTL_PRAGMA_SIMD _PSTL_PRAGMA(simd)
 #    define _PSTL_PRAGMA_DECLARE_SIMD
 #    define _PSTL_PRAGMA_SIMD_REDUCTION(PRM) _PSTL_PRAGMA(simd reduction(PRM))
 #else //no simd
 #    define _PSTL_PRAGMA_SIMD
 #    define _PSTL_PRAGMA_DECLARE_SIMD
 #    define _PSTL_PRAGMA_SIMD_REDUCTION(PRM)
 #endif //Enable SIMD

 #if (__INTEL_COMPILER)
 #    define _PSTL_PRAGMA_FORCEINLINE _PSTL_PRAGMA(forceinline)
 #else
 #    define _PSTL_PRAGMA_FORCEINLINE
 #endif

 #if (__INTEL_COMPILER >= 1900)
 #    define _PSTL_PRAGMA_SIMD_SCAN(PRM) _PSTL_PRAGMA(omp simd reduction(inscan, PRM))
 #    define _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN(PRM) _PSTL_PRAGMA(omp scan inclusive(PRM))
 #    define _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN(PRM) _PSTL_PRAGMA(omp scan exclusive(PRM))
 #else
 #    define _PSTL_PRAGMA_SIMD_SCAN(PRM)
 #    define _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN(PRM)
 #    define _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN(PRM)
 #endif

 // Should be defined to 1 for environments with a vendor implementation of C++17 execution policies
 #define _PSTL_CPP17_EXECUTION_POLICIES_PRESENT (_MSC_VER >= 1912)

 #define _PSTL_CPP14_2RANGE_MISMATCH_EQUAL_PRESENT                                                                      \
     (_MSC_VER >= 1900 || __cplusplus >= 201300L || __cpp_lib_robust_nonmodifying_seq_ops == 201304)
 #define _PSTL_CPP14_MAKE_REVERSE_ITERATOR_PRESENT                                                                      \
     (_MSC_VER >= 1900 || __cplusplus >= 201402L || __cpp_lib_make_reverse_iterator == 201402)
 #define _PSTL_CPP14_INTEGER_SEQUENCE_PRESENT (_MSC_VER >= 1900 || __cplusplus >= 201402L)
 #define _PSTL_CPP14_VARIABLE_TEMPLATES_PRESENT                                                                         \
     (!__INTEL_COMPILER || __INTEL_COMPILER >= 1700) && (_MSC_FULL_VER >= 190023918 || __cplusplus >= 201402L)

 #define _PSTL_EARLYEXIT_PRESENT (__INTEL_COMPILER >= 1800)
 #define _PSTL_MONOTONIC_PRESENT (__INTEL_COMPILER >= 1800)

 #if (__INTEL_COMPILER >= 1900 || !defined(__INTEL_COMPILER) && _PSTL_GCC_VERSION >= 40900 || _OPENMP >= 201307)
 #    define _PSTL_UDR_PRESENT 1
 #else
 #    define _PSTL_UDR_PRESENT 0
 #endif

 #define _PSTL_UDS_PRESENT (__INTEL_COMPILER >= 1900 && __INTEL_COMPILER_BUILD_DATE >= 20180626)

 #if _PSTL_EARLYEXIT_PRESENT
 #    define _PSTL_PRAGMA_SIMD_EARLYEXIT _PSTL_PRAGMA(omp simd early_exit)
 #else
 #    define _PSTL_PRAGMA_SIMD_EARLYEXIT
 #endif

 #if _PSTL_MONOTONIC_PRESENT
 #    define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC(PRM) _PSTL_PRAGMA(omp ordered simd monotonic(PRM))
 #    define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC_2ARGS(PRM1, PRM2) _PSTL_PRAGMA(omp ordered simd monotonic(PRM1, PRM2))
 #else
 #    define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC(PRM)
 #    define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC_2ARGS(PRM1, PRM2)
 #endif

 // Declaration of reduction functor, where
 // NAME - the name of the functor
 // OP - type of the callable object with the reduction operation
 // omp_in - refers to the local partial result
 // omp_out - refers to the final value of the combiner operator
 // omp_priv - refers to the private copy of the initial value
 // omp_orig - refers to the original variable to be reduced
 #define _PSTL_PRAGMA_DECLARE_REDUCTION(NAME, OP)                                                                       \
     _PSTL_PRAGMA(omp declare reduction(NAME:OP : omp_out(omp_in)) initializer(omp_priv = omp_orig))

 #if (__INTEL_COMPILER >= 1600)
 #    define _PSTL_PRAGMA_VECTOR_UNALIGNED _PSTL_PRAGMA(vector unaligned)
 #else
 #    define _PSTL_PRAGMA_VECTOR_UNALIGNED
 #endif

 // Check the user-defined macro to use non-temporal stores
 #if defined(PSTL_USE_NONTEMPORAL_STORES) && (__INTEL_COMPILER >= 1600)
 #    define _PSTL_USE_NONTEMPORAL_STORES_IF_ALLOWED _PSTL_PRAGMA(vector nontemporal)
 #else
 #    define _PSTL_USE_NONTEMPORAL_STORES_IF_ALLOWED
 #endif

 #if _MSC_VER || __INTEL_COMPILER //the preprocessors don't type a message location
 #    define _PSTL_PRAGMA_LOCATION __FILE__ ":" _PSTL_STRING(__LINE__) ": [Parallel STL message]: "
 #else
 #    define _PSTL_PRAGMA_LOCATION " [Parallel STL message]: "
 #endif

 #define _PSTL_PRAGMA_MESSAGE_IMPL(x) _PSTL_PRAGMA(message(_PSTL_STRING_CONCAT(_PSTL_PRAGMA_LOCATION, x)))

 #if _PSTL_USAGE_WARNINGS
 #    define _PSTL_PRAGMA_MESSAGE(x) _PSTL_PRAGMA_MESSAGE_IMPL(x)
 #    define _PSTL_PRAGMA_MESSAGE_POLICIES(x) _PSTL_PRAGMA_MESSAGE_IMPL(x)
 #else
 #    define _PSTL_PRAGMA_MESSAGE(x)
 #    define _PSTL_PRAGMA_MESSAGE_POLICIES(x)
 #endif

 // broken macros
 #define _PSTL_CPP11_STD_ROTATE_BROKEN ((__GLIBCXX__ && __GLIBCXX__ < 20150716) || (_MSC_VER && _MSC_VER < 1800))

 #define _PSTL_ICC_18_OMP_SIMD_BROKEN (__INTEL_COMPILER == 1800)

 #endif /* _PSTL_CONFIG_H */
	// -- C++ --
	//===-- pstl_config.h -----------------------------------------------------===//
	//
	// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
	// See https://llvm.org/LICENSE.txt for license information.
	// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
	//
	//===----------------------------------------------------------------------===//

	#ifndef _PSTL_CONFIG_H
	#define _PSTL_CONFIG_H

	// The version is XYYZ, where X is major, YY is minor, and Z is patch (i.e. X.YY.Z)
	#define _PSTL_VERSION 12000
	#define _PSTL_VERSION_MAJOR (_PSTL_VERSION / 1000)
	#define _PSTL_VERSION_MINOR ((_PSTL_VERSION % 1000) / 10)
	#define _PSTL_VERSION_PATCH (_PSTL_VERSION % 10)

	#if !defined(_PSTL_PAR_BACKEND_SERIAL) && !defined(_PSTL_PAR_BACKEND_TBB)
	# error "A parallel backend must be specified"
	#endif

	// Check the user-defined macro for warnings
	#if defined(PSTL_USAGE_WARNINGS)
	# undef _PSTL_USAGE_WARNINGS
	# define _PSTL_USAGE_WARNINGS PSTL_USAGE_WARNINGS
	// Check the internal macro for warnings
	#elif !defined(_PSTL_USAGE_WARNINGS)
	# define _PSTL_USAGE_WARNINGS 0
	#endif

	// Portability "#pragma" definition
	#ifdef _MSC_VER
	# define _PSTL_PRAGMA(x) __pragma(x)
	#else
	# define _PSTL_PRAGMA(x) _Pragma(# x)
	#endif

	#define _PSTL_STRING_AUX(x) #x
	#define _PSTL_STRING(x) _PSTL_STRING_AUX(x)
	#define _PSTL_STRING_CONCAT(x, y) x #y

	#ifdef _PSTL_HIDE_FROM_ABI_PER_TU
	# define _PSTL_HIDE_FROM_ABI_PUSH \
	_Pragma("clang attribute push(__attribute__((internal_linkage)), apply_to=any(function,record))")
	# define _PSTL_HIDE_FROM_ABI_POP _Pragma("clang attribute pop")
	#else
	# define _PSTL_HIDE_FROM_ABI_PUSH /* nothing */
	# define _PSTL_HIDE_FROM_ABI_POP /* nothing */
	#endif

	// note that when ICC or Clang is in use, _PSTL_GCC_VERSION might not fully match
	// the actual GCC version on the system.
	#define _PSTL_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)

	#if __clang__
	// according to clang documentation, version can be vendor specific
	# define _PSTL_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
	#endif

	// Enable SIMD for compilers that support OpenMP 4.0
	#if (_OPENMP >= 201307) \|\| (__INTEL_COMPILER >= 1600) \|\| (!defined(__INTEL_COMPILER) && _PSTL_GCC_VERSION >= 40900) \|\| \
	defined(__clang__)
	# define _PSTL_PRAGMA_SIMD _PSTL_PRAGMA(omp simd)
	# define _PSTL_PRAGMA_DECLARE_SIMD _PSTL_PRAGMA(omp declare simd)
	# define _PSTL_PRAGMA_SIMD_REDUCTION(PRM) _PSTL_PRAGMA(omp simd reduction(PRM))
	#elif !defined(_MSC_VER) //#pragma simd
	# define _PSTL_PRAGMA_SIMD _PSTL_PRAGMA(simd)
	# define _PSTL_PRAGMA_DECLARE_SIMD
	# define _PSTL_PRAGMA_SIMD_REDUCTION(PRM) _PSTL_PRAGMA(simd reduction(PRM))
	#else //no simd
	# define _PSTL_PRAGMA_SIMD
	# define _PSTL_PRAGMA_DECLARE_SIMD
	# define _PSTL_PRAGMA_SIMD_REDUCTION(PRM)
	#endif //Enable SIMD

	#if (__INTEL_COMPILER)
	# define _PSTL_PRAGMA_FORCEINLINE _PSTL_PRAGMA(forceinline)
	#else
	# define _PSTL_PRAGMA_FORCEINLINE
	#endif

	#if (__INTEL_COMPILER >= 1900)
	# define _PSTL_PRAGMA_SIMD_SCAN(PRM) _PSTL_PRAGMA(omp simd reduction(inscan, PRM))
	# define _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN(PRM) _PSTL_PRAGMA(omp scan inclusive(PRM))
	# define _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN(PRM) _PSTL_PRAGMA(omp scan exclusive(PRM))
	#else
	# define _PSTL_PRAGMA_SIMD_SCAN(PRM)
	# define _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN(PRM)
	# define _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN(PRM)
	#endif

	// Should be defined to 1 for environments with a vendor implementation of C++17 execution policies
	#define _PSTL_CPP17_EXECUTION_POLICIES_PRESENT (_MSC_VER >= 1912)

	#define _PSTL_CPP14_2RANGE_MISMATCH_EQUAL_PRESENT \
	(_MSC_VER >= 1900 \|\| __cplusplus >= 201300L \|\| __cpp_lib_robust_nonmodifying_seq_ops == 201304)
	#define _PSTL_CPP14_MAKE_REVERSE_ITERATOR_PRESENT \
	(_MSC_VER >= 1900 \|\| __cplusplus >= 201402L \|\| __cpp_lib_make_reverse_iterator == 201402)
	#define _PSTL_CPP14_INTEGER_SEQUENCE_PRESENT (_MSC_VER >= 1900 \|\| __cplusplus >= 201402L)
	#define _PSTL_CPP14_VARIABLE_TEMPLATES_PRESENT \
	(!__INTEL_COMPILER \|\| __INTEL_COMPILER >= 1700) && (_MSC_FULL_VER >= 190023918 \|\| __cplusplus >= 201402L)

	#define _PSTL_EARLYEXIT_PRESENT (__INTEL_COMPILER >= 1800)
	#define _PSTL_MONOTONIC_PRESENT (__INTEL_COMPILER >= 1800)

	#if (__INTEL_COMPILER >= 1900 \|\| !defined(__INTEL_COMPILER) && _PSTL_GCC_VERSION >= 40900 \|\| _OPENMP >= 201307)
	# define _PSTL_UDR_PRESENT 1
	#else
	# define _PSTL_UDR_PRESENT 0
	#endif

	#define _PSTL_UDS_PRESENT (__INTEL_COMPILER >= 1900 && __INTEL_COMPILER_BUILD_DATE >= 20180626)

	#if _PSTL_EARLYEXIT_PRESENT
	# define _PSTL_PRAGMA_SIMD_EARLYEXIT _PSTL_PRAGMA(omp simd early_exit)
	#else
	# define _PSTL_PRAGMA_SIMD_EARLYEXIT
	#endif

	#if _PSTL_MONOTONIC_PRESENT
	# define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC(PRM) _PSTL_PRAGMA(omp ordered simd monotonic(PRM))
	# define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC_2ARGS(PRM1, PRM2) _PSTL_PRAGMA(omp ordered simd monotonic(PRM1, PRM2))
	#else
	# define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC(PRM)
	# define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC_2ARGS(PRM1, PRM2)
	#endif

	// Declaration of reduction functor, where
	// NAME - the name of the functor
	// OP - type of the callable object with the reduction operation
	// omp_in - refers to the local partial result
	// omp_out - refers to the final value of the combiner operator
	// omp_priv - refers to the private copy of the initial value
	// omp_orig - refers to the original variable to be reduced
	#define _PSTL_PRAGMA_DECLARE_REDUCTION(NAME, OP) \
	_PSTL_PRAGMA(omp declare reduction(NAME:OP : omp_out(omp_in)) initializer(omp_priv = omp_orig))

	#if (__INTEL_COMPILER >= 1600)
	# define _PSTL_PRAGMA_VECTOR_UNALIGNED _PSTL_PRAGMA(vector unaligned)
	#else
	# define _PSTL_PRAGMA_VECTOR_UNALIGNED
	#endif

	// Check the user-defined macro to use non-temporal stores
	#if defined(PSTL_USE_NONTEMPORAL_STORES) && (__INTEL_COMPILER >= 1600)
	# define _PSTL_USE_NONTEMPORAL_STORES_IF_ALLOWED _PSTL_PRAGMA(vector nontemporal)
	#else
	# define _PSTL_USE_NONTEMPORAL_STORES_IF_ALLOWED
	#endif

	#if _MSC_VER \|\| __INTEL_COMPILER //the preprocessors don't type a message location
	# define _PSTL_PRAGMA_LOCATION __FILE__ ":" _PSTL_STRING(__LINE__) ": [Parallel STL message]: "
	#else
	# define _PSTL_PRAGMA_LOCATION " [Parallel STL message]: "
	#endif

	#define _PSTL_PRAGMA_MESSAGE_IMPL(x) _PSTL_PRAGMA(message(_PSTL_STRING_CONCAT(_PSTL_PRAGMA_LOCATION, x)))

	#if _PSTL_USAGE_WARNINGS
	# define _PSTL_PRAGMA_MESSAGE(x) _PSTL_PRAGMA_MESSAGE_IMPL(x)
	# define _PSTL_PRAGMA_MESSAGE_POLICIES(x) _PSTL_PRAGMA_MESSAGE_IMPL(x)
	#else
	# define _PSTL_PRAGMA_MESSAGE(x)
	# define _PSTL_PRAGMA_MESSAGE_POLICIES(x)
	#endif

	// broken macros
	#define _PSTL_CPP11_STD_ROTATE_BROKEN ((__GLIBCXX__ && __GLIBCXX__ < 20150716) \|\| (_MSC_VER && _MSC_VER < 1800))

	#define _PSTL_ICC_18_OMP_SIMD_BROKEN (__INTEL_COMPILER == 1800)

	#endif /* _PSTL_CONFIG_H */