1 // -*- C++ -*-
2 //===-- pstl_config.h -----------------------------------------------------===//
3 //
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef __PSTL_config_H
11 #define __PSTL_config_H
12 
13 #define PSTL_VERSION 203
14 #define PSTL_VERSION_MAJOR (PSTL_VERSION / 100)
15 #define PSTL_VERSION_MINOR (PSTL_VERSION - PSTL_VERSION_MAJOR * 100)
16 
17 // Check the user-defined macro for parallel policies
18 #if defined(PSTL_USE_PARALLEL_POLICIES)
19 #undef __PSTL_USE_PAR_POLICIES
20 #define __PSTL_USE_PAR_POLICIES PSTL_USE_PARALLEL_POLICIES
21 // Check the internal macro for parallel policies
22 #elif !defined(__PSTL_USE_PAR_POLICIES)
23 #define __PSTL_USE_PAR_POLICIES 1
24 #endif
25 
26 #if __PSTL_USE_PAR_POLICIES
27 #if !defined(__PSTL_PAR_BACKEND_TBB)
28 #define __PSTL_PAR_BACKEND_TBB 1
29 #endif
30 #else
31 #undef __PSTL_PAR_BACKEND_TBB
32 #endif
33 
34 // Check the user-defined macro for warnings
35 #if defined(PSTL_USAGE_WARNINGS)
36 #undef __PSTL_USAGE_WARNINGS
37 #define __PSTL_USAGE_WARNINGS PSTL_USAGE_WARNINGS
38 // Check the internal macro for warnings
39 #elif !defined(__PSTL_USAGE_WARNINGS)
40 #define __PSTL_USAGE_WARNINGS 0
41 #endif
42 
43 // Portability "#pragma" definition
44 #ifdef _MSC_VER
45 #define __PSTL_PRAGMA(x) __pragma(x)
46 #else
47 #define __PSTL_PRAGMA(x) _Pragma(#x)
48 #endif
49 
50 #define __PSTL_STRING_AUX(x) #x
51 #define __PSTL_STRING(x) __PSTL_STRING_AUX(x)
52 #define __PSTL_STRING_CONCAT(x, y) x #y
53 
54 // note that when ICC or Clang is in use, __PSTL_GCC_VERSION might not fully match
55 // the actual GCC version on the system.
56 #define __PSTL_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
57 
58 #if __clang__
59 // according to clang documentation, version can be vendor specific
60 #define __PSTL_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
61 #endif
62 
63 // Enable SIMD for compilers that support OpenMP 4.0
64 #if (_OPENMP >= 201307) || (__INTEL_COMPILER >= 1600) || (!defined(__INTEL_COMPILER) && __PSTL_GCC_VERSION >= 40900)
65 #define __PSTL_PRAGMA_SIMD __PSTL_PRAGMA(omp simd)
66 #define __PSTL_PRAGMA_DECLARE_SIMD __PSTL_PRAGMA(omp declare simd)
67 #define __PSTL_PRAGMA_SIMD_REDUCTION(PRM) __PSTL_PRAGMA(omp simd reduction(PRM))
68 #elif !defined(_MSC_VER) //#pragma simd
69 #define __PSTL_PRAGMA_SIMD __PSTL_PRAGMA(simd)
70 #define __PSTL_PRAGMA_DECLARE_SIMD
71 #define __PSTL_PRAGMA_SIMD_REDUCTION(PRM) __PSTL_PRAGMA(simd reduction(PRM))
72 #else //no simd
73 #define __PSTL_PRAGMA_SIMD
74 #define __PSTL_PRAGMA_DECLARE_SIMD
75 #define __PSTL_PRAGMA_SIMD_REDUCTION(PRM)
76 #endif //Enable SIMD
77 
78 #if (__INTEL_COMPILER)
79 #define __PSTL_PRAGMA_FORCEINLINE __PSTL_PRAGMA(forceinline)
80 #else
81 #define __PSTL_PRAGMA_FORCEINLINE
82 #endif
83 
84 #if (__INTEL_COMPILER >= 1900)
85 #define __PSTL_PRAGMA_SIMD_SCAN(PRM) __PSTL_PRAGMA(omp simd reduction(inscan, PRM))
86 #define __PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN(PRM) __PSTL_PRAGMA(omp scan inclusive(PRM))
87 #define __PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN(PRM) __PSTL_PRAGMA(omp scan exclusive(PRM))
88 #else
89 #define __PSTL_PRAGMA_SIMD_SCAN(PRM)
90 #define __PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN(PRM)
91 #define __PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN(PRM)
92 #endif
93 
94 // Should be defined to 1 for environments with a vendor implementation of C++17 execution policies
95 #define __PSTL_CPP17_EXECUTION_POLICIES_PRESENT (_MSC_VER >= 1912)
96 
97 #define __PSTL_CPP14_2RANGE_MISMATCH_EQUAL_PRESENT                                                                     \
98     (_MSC_VER >= 1900 || __cplusplus >= 201300L || __cpp_lib_robust_nonmodifying_seq_ops == 201304)
99 #define __PSTL_CPP14_MAKE_REVERSE_ITERATOR_PRESENT                                                                     \
100     (_MSC_VER >= 1900 || __cplusplus >= 201402L || __cpp_lib_make_reverse_iterator == 201402)
101 #define __PSTL_CPP14_INTEGER_SEQUENCE_PRESENT (_MSC_VER >= 1900 || __cplusplus >= 201402L)
102 #define __PSTL_CPP14_VARIABLE_TEMPLATES_PRESENT                                                                        \
103     (!__INTEL_COMPILER || __INTEL_COMPILER >= 1700) && (_MSC_FULL_VER >= 190023918 || __cplusplus >= 201402L)
104 
105 #define __PSTL_EARLYEXIT_PRESENT (__INTEL_COMPILER >= 1800)
106 #define __PSTL_MONOTONIC_PRESENT (__INTEL_COMPILER >= 1800)
107 
108 #if (__INTEL_COMPILER >= 1900 || !defined(__INTEL_COMPILER) && __PSTL_GCC_VERSION >= 40900 || _OPENMP >= 201307)
109 #define __PSTL_UDR_PRESENT 1
110 #else
111 #define __PSTL_UDR_PRESENT 0
112 #endif
113 
114 #define __PSTL_UDS_PRESENT (__INTEL_COMPILER >= 1900 && __INTEL_COMPILER_BUILD_DATE >= 20180626)
115 
116 #if __PSTL_EARLYEXIT_PRESENT
117 #define __PSTL_PRAGMA_SIMD_EARLYEXIT __PSTL_PRAGMA(omp simd early_exit)
118 #else
119 #define __PSTL_PRAGMA_SIMD_EARLYEXIT
120 #endif
121 
122 #if __PSTL_MONOTONIC_PRESENT
123 #define __PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC(PRM) __PSTL_PRAGMA(omp ordered simd monotonic(PRM))
124 #define __PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC_2ARGS(PRM1, PRM2) __PSTL_PRAGMA(omp ordered simd monotonic(PRM1, PRM2))
125 #else
126 #define __PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC(PRM)
127 #define __PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC_2ARGS(PRM1, PRM2)
128 #endif
129 
130 // Declaration of reduction functor, where
131 // NAME - the name of the functor
132 // OP - type of the callable object with the reduction operation
133 // omp_in - refers to the local partial result
134 // omp_out - refers to the final value of the combiner operator
135 // omp_priv - refers to the private copy of the initial value
136 // omp_orig - refers to the original variable to be reduced
137 #define __PSTL_PRAGMA_DECLARE_REDUCTION(NAME, OP)                                                                      \
138     __PSTL_PRAGMA(omp declare reduction(NAME : OP : omp_out(omp_in)) initializer(omp_priv = omp_orig))
139 
140 #if (__INTEL_COMPILER >= 1600)
141 #define __PSTL_PRAGMA_VECTOR_UNALIGNED __PSTL_PRAGMA(vector unaligned)
142 #else
143 #define __PSTL_PRAGMA_VECTOR_UNALIGNED
144 #endif
145 
146 // Check the user-defined macro to use non-temporal stores
147 #if defined(PSTL_USE_NONTEMPORAL_STORES) && (__INTEL_COMPILER >= 1600)
148 #define __PSTL_USE_NONTEMPORAL_STORES_IF_ALLOWED __PSTL_PRAGMA(vector nontemporal)
149 #else
150 #define __PSTL_USE_NONTEMPORAL_STORES_IF_ALLOWED
151 #endif
152 
153 #if _MSC_VER || __INTEL_COMPILER //the preprocessors don't type a message location
154 #define __PSTL_PRAGMA_LOCATION __FILE__ ":" __PSTL_STRING(__LINE__) ": [Parallel STL message]: "
155 #else
156 #define __PSTL_PRAGMA_LOCATION " [Parallel STL message]: "
157 #endif
158 
159 #define __PSTL_PRAGMA_MESSAGE_IMPL(x) __PSTL_PRAGMA(message(__PSTL_STRING_CONCAT(__PSTL_PRAGMA_LOCATION, x)))
160 
161 #if __PSTL_USAGE_WARNINGS
162 #define __PSTL_PRAGMA_MESSAGE(x) __PSTL_PRAGMA_MESSAGE_IMPL(x)
163 #define __PSTL_PRAGMA_MESSAGE_POLICIES(x) __PSTL_PRAGMA_MESSAGE_IMPL(x)
164 #else
165 #define __PSTL_PRAGMA_MESSAGE(x)
166 #define __PSTL_PRAGMA_MESSAGE_POLICIES(x)
167 #endif
168 
169 // broken macros
170 #define __PSTL_CPP11_STD_ROTATE_BROKEN ((__GLIBCXX__ && __GLIBCXX__ < 20150716) || (_MSC_VER && _MSC_VER < 1800))
171 
172 #define __PSTL_ICC_18_OMP_SIMD_BROKEN (__INTEL_COMPILER == 1800)
173 
174 #endif /* __PSTL_config_H */
175