1 // -*- C++ -*-
2 //===----------------------------------------------------------------------===//
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 #include <__pstl_config_site>
14 
15 // The version is XYYZ, where X is major, YY is minor, and Z is patch (i.e. X.YY.Z)
16 #define _PSTL_VERSION 13000
17 #define _PSTL_VERSION_MAJOR (_PSTL_VERSION / 1000)
18 #define _PSTL_VERSION_MINOR ((_PSTL_VERSION % 1000) / 10)
19 #define _PSTL_VERSION_PATCH (_PSTL_VERSION % 10)
20 
21 #if !defined(_PSTL_PAR_BACKEND_SERIAL) && !defined(_PSTL_PAR_BACKEND_TBB)
22 #    error "A parallel backend must be specified"
23 #endif
24 
25 // Check the user-defined macro for warnings
26 #if defined(PSTL_USAGE_WARNINGS)
27 #    define _PSTL_USAGE_WARNINGS
28 #endif
29 
30 #if !defined(_PSTL_ASSERT)
31 #    include <cassert>
32 #    define _PSTL_ASSERT(pred) (assert((pred)))
33 #endif
34 
35 // Portability "#pragma" definition
36 #ifdef _MSC_VER
37 #    define _PSTL_PRAGMA(x) __pragma(x)
38 #else
39 #    define _PSTL_PRAGMA(x) _Pragma(#    x)
40 #endif
41 
42 #define _PSTL_STRING_AUX(x) #x
43 #define _PSTL_STRING(x) _PSTL_STRING_AUX(x)
44 #define _PSTL_STRING_CONCAT(x, y) x #y
45 
46 #ifdef _PSTL_HIDE_FROM_ABI_PER_TU
47 #    define _PSTL_HIDE_FROM_ABI_PUSH                                                                                   \
48         _Pragma("clang attribute push(__attribute__((internal_linkage)), apply_to=any(function,record))")
49 #    define _PSTL_HIDE_FROM_ABI_POP _Pragma("clang attribute pop")
50 #else
51 #    define _PSTL_HIDE_FROM_ABI_PUSH /* nothing */
52 #    define _PSTL_HIDE_FROM_ABI_POP  /* nothing */
53 #endif
54 
55 // note that when ICC or Clang is in use, _PSTL_GCC_VERSION might not fully match
56 // the actual GCC version on the system.
57 #define _PSTL_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
58 
59 #if defined(__clang__)
60 // according to clang documentation, version can be vendor specific
61 #    define _PSTL_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
62 #endif
63 
64 // Enable SIMD for compilers that support OpenMP 4.0
65 #if (defined(_OPENMP) && _OPENMP >= 201307) || \
66     (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 1600) || \
67     (!defined(__INTEL_COMPILER) && _PSTL_GCC_VERSION >= 40900) || \
68     defined(__clang__)
69 #    define _PSTL_PRAGMA_SIMD _PSTL_PRAGMA(omp simd)
70 #    define _PSTL_PRAGMA_DECLARE_SIMD _PSTL_PRAGMA(omp declare simd)
71 #    define _PSTL_PRAGMA_SIMD_REDUCTION(PRM) _PSTL_PRAGMA(omp simd reduction(PRM))
72 #elif !defined(_MSC_VER) //#pragma simd
73 #    define _PSTL_PRAGMA_SIMD _PSTL_PRAGMA(simd)
74 #    define _PSTL_PRAGMA_DECLARE_SIMD
75 #    define _PSTL_PRAGMA_SIMD_REDUCTION(PRM) _PSTL_PRAGMA(simd reduction(PRM))
76 #else //no simd
77 #    define _PSTL_PRAGMA_SIMD
78 #    define _PSTL_PRAGMA_DECLARE_SIMD
79 #    define _PSTL_PRAGMA_SIMD_REDUCTION(PRM)
80 #endif //Enable SIMD
81 
82 #if defined(__INTEL_COMPILER)
83 #    define _PSTL_PRAGMA_FORCEINLINE _PSTL_PRAGMA(forceinline)
84 #else
85 #    define _PSTL_PRAGMA_FORCEINLINE
86 #endif
87 
88 #if defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 1900
89 #    define _PSTL_PRAGMA_SIMD_SCAN(PRM) _PSTL_PRAGMA(omp simd reduction(inscan, PRM))
90 #    define _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN(PRM) _PSTL_PRAGMA(omp scan inclusive(PRM))
91 #    define _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN(PRM) _PSTL_PRAGMA(omp scan exclusive(PRM))
92 #else
93 #    define _PSTL_PRAGMA_SIMD_SCAN(PRM)
94 #    define _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN(PRM)
95 #    define _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN(PRM)
96 #endif
97 
98 // Should be defined to 1 for environments with a vendor implementation of C++17 execution policies
99 #define _PSTL_CPP17_EXECUTION_POLICIES_PRESENT (_MSC_VER >= 1912)
100 
101 #if (defined(_MSC_VER) && _MSC_VER >= 1900) || \
102     __cplusplus >= 201300L || \
103     __cpp_lib_robust_nonmodifying_seq_ops == 201304
104 #   define _PSTL_CPP14_2RANGE_MISMATCH_EQUAL_PRESENT
105 #endif
106 #if (defined(_MSC_VER) && _MSC_VER >= 1900) || \
107     __cplusplus >= 201402L || \
108     __cpp_lib_make_reverse_iterator == 201402
109 #   define _PSTL_CPP14_MAKE_REVERSE_ITERATOR_PRESENT
110 #endif
111 #if (defined(_MSC_VER) && _MSC_VER >= 1900) || __cplusplus >= 201402L
112 #   define _PSTL_CPP14_INTEGER_SEQUENCE_PRESENT
113 #endif
114 #if (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 1700) || \
115     (defined(_MSC_FULL_VER) && _MSC_FULL_VER >= 190023918) || \
116     __cplusplus >= 201402L
117 #   define _PSTL_CPP14_VARIABLE_TEMPLATES_PRESENT
118 #endif
119 
120 #if defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 1800
121 #   define _PSTL_EARLYEXIT_PRESENT
122 #   define _PSTL_MONOTONIC_PRESENT
123 #endif
124 
125 #if (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 1900) || \
126     (!defined(__INTEL_COMPILER) && _PSTL_GCC_VERSION >= 40900) || \
127     (defined(_OPENMP) && _OPENMP >= 201307)
128 #    define _PSTL_UDR_PRESENT
129 #endif
130 
131 #if defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 1900 && __INTEL_COMPILER_BUILD_DATE >= 20180626
132 #   define _PSTL_UDS_PRESENT
133 #endif
134 
135 #if defined(_PSTL_EARLYEXIT_PRESENT)
136 #    define _PSTL_PRAGMA_SIMD_EARLYEXIT _PSTL_PRAGMA(omp simd early_exit)
137 #else
138 #    define _PSTL_PRAGMA_SIMD_EARLYEXIT
139 #endif
140 
141 #if defined(_PSTL_MONOTONIC_PRESENT)
142 #    define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC(PRM) _PSTL_PRAGMA(omp ordered simd monotonic(PRM))
143 #    define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC_2ARGS(PRM1, PRM2) _PSTL_PRAGMA(omp ordered simd monotonic(PRM1, PRM2))
144 #else
145 #    define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC(PRM)
146 #    define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC_2ARGS(PRM1, PRM2)
147 #endif
148 
149 // Declaration of reduction functor, where
150 // NAME - the name of the functor
151 // OP - type of the callable object with the reduction operation
152 // omp_in - refers to the local partial result
153 // omp_out - refers to the final value of the combiner operator
154 // omp_priv - refers to the private copy of the initial value
155 // omp_orig - refers to the original variable to be reduced
156 #define _PSTL_PRAGMA_DECLARE_REDUCTION(NAME, OP)                                                                       \
157     _PSTL_PRAGMA(omp declare reduction(NAME:OP : omp_out(omp_in)) initializer(omp_priv = omp_orig))
158 
159 #if defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 1600
160 #    define _PSTL_PRAGMA_VECTOR_UNALIGNED _PSTL_PRAGMA(vector unaligned)
161 #else
162 #    define _PSTL_PRAGMA_VECTOR_UNALIGNED
163 #endif
164 
165 // Check the user-defined macro to use non-temporal stores
166 #if defined(PSTL_USE_NONTEMPORAL_STORES) && (__INTEL_COMPILER >= 1600)
167 #    define _PSTL_USE_NONTEMPORAL_STORES_IF_ALLOWED _PSTL_PRAGMA(vector nontemporal)
168 #else
169 #    define _PSTL_USE_NONTEMPORAL_STORES_IF_ALLOWED
170 #endif
171 
172 #if defined(_MSC_VER) || defined(__INTEL_COMPILER) // the preprocessors don't type a message location
173 #    define _PSTL_PRAGMA_LOCATION __FILE__ ":" _PSTL_STRING(__LINE__) ": [Parallel STL message]: "
174 #else
175 #    define _PSTL_PRAGMA_LOCATION " [Parallel STL message]: "
176 #endif
177 
178 #define _PSTL_PRAGMA_MESSAGE_IMPL(x) _PSTL_PRAGMA(message(_PSTL_STRING_CONCAT(_PSTL_PRAGMA_LOCATION, x)))
179 
180 #if defined(_PSTL_USAGE_WARNINGS)
181 #    define _PSTL_PRAGMA_MESSAGE(x) _PSTL_PRAGMA_MESSAGE_IMPL(x)
182 #    define _PSTL_PRAGMA_MESSAGE_POLICIES(x) _PSTL_PRAGMA_MESSAGE_IMPL(x)
183 #else
184 #    define _PSTL_PRAGMA_MESSAGE(x)
185 #    define _PSTL_PRAGMA_MESSAGE_POLICIES(x)
186 #endif
187 
188 // broken macros
189 #if (defined(__GLIBCXX__) && __GLIBCXX__ < 20150716) || \
190     (defined(_MSC_VER) && _MSC_VER < 1800)
191 #   define _PSTL_CPP11_STD_ROTATE_BROKEN
192 #endif
193 
194 #if defined(__INTEL_COMPILER) && __INTEL_COMPILER == 1800
195 #   define _PSTL_ICC_18_OMP_SIMD_BROKEN
196 #endif
197 
198 #endif /* _PSTL_CONFIG_H */
199