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 11000
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 #    undef _PSTL_USAGE_WARNINGS
28 #    define _PSTL_USAGE_WARNINGS PSTL_USAGE_WARNINGS
29 // Check the internal macro for warnings
30 #elif !defined(_PSTL_USAGE_WARNINGS)
31 #    define _PSTL_USAGE_WARNINGS 0
32 #endif
33 
34 // Portability "#pragma" definition
35 #ifdef _MSC_VER
36 #    define _PSTL_PRAGMA(x) __pragma(x)
37 #else
38 #    define _PSTL_PRAGMA(x) _Pragma(#    x)
39 #endif
40 
41 #define _PSTL_STRING_AUX(x) #x
42 #define _PSTL_STRING(x) _PSTL_STRING_AUX(x)
43 #define _PSTL_STRING_CONCAT(x, y) x #y
44 
45 #ifdef _PSTL_HIDE_FROM_ABI_PER_TU
46 #    define _PSTL_HIDE_FROM_ABI_PUSH                                                                                   \
47         _Pragma("clang attribute push(__attribute__((internal_linkage)), apply_to=any(function,record))")
48 #    define _PSTL_HIDE_FROM_ABI_POP _Pragma("clang attribute pop")
49 #else
50 #    define _PSTL_HIDE_FROM_ABI_PUSH /* nothing */
51 #    define _PSTL_HIDE_FROM_ABI_POP  /* nothing */
52 #endif
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     defined(__clang__)
66 #    define _PSTL_PRAGMA_SIMD _PSTL_PRAGMA(omp simd)
67 #    define _PSTL_PRAGMA_DECLARE_SIMD _PSTL_PRAGMA(omp declare simd)
68 #    define _PSTL_PRAGMA_SIMD_REDUCTION(PRM) _PSTL_PRAGMA(omp simd reduction(PRM))
69 #elif !defined(_MSC_VER) //#pragma simd
70 #    define _PSTL_PRAGMA_SIMD _PSTL_PRAGMA(simd)
71 #    define _PSTL_PRAGMA_DECLARE_SIMD
72 #    define _PSTL_PRAGMA_SIMD_REDUCTION(PRM) _PSTL_PRAGMA(simd reduction(PRM))
73 #else //no simd
74 #    define _PSTL_PRAGMA_SIMD
75 #    define _PSTL_PRAGMA_DECLARE_SIMD
76 #    define _PSTL_PRAGMA_SIMD_REDUCTION(PRM)
77 #endif //Enable SIMD
78 
79 #if (__INTEL_COMPILER)
80 #    define _PSTL_PRAGMA_FORCEINLINE _PSTL_PRAGMA(forceinline)
81 #else
82 #    define _PSTL_PRAGMA_FORCEINLINE
83 #endif
84 
85 #if (__INTEL_COMPILER >= 1900)
86 #    define _PSTL_PRAGMA_SIMD_SCAN(PRM) _PSTL_PRAGMA(omp simd reduction(inscan, PRM))
87 #    define _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN(PRM) _PSTL_PRAGMA(omp scan inclusive(PRM))
88 #    define _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN(PRM) _PSTL_PRAGMA(omp scan exclusive(PRM))
89 #else
90 #    define _PSTL_PRAGMA_SIMD_SCAN(PRM)
91 #    define _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN(PRM)
92 #    define _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN(PRM)
93 #endif
94 
95 // Should be defined to 1 for environments with a vendor implementation of C++17 execution policies
96 #define _PSTL_CPP17_EXECUTION_POLICIES_PRESENT (_MSC_VER >= 1912)
97 
98 #define _PSTL_CPP14_2RANGE_MISMATCH_EQUAL_PRESENT                                                                      \
99     (_MSC_VER >= 1900 || __cplusplus >= 201300L || __cpp_lib_robust_nonmodifying_seq_ops == 201304)
100 #define _PSTL_CPP14_MAKE_REVERSE_ITERATOR_PRESENT                                                                      \
101     (_MSC_VER >= 1900 || __cplusplus >= 201402L || __cpp_lib_make_reverse_iterator == 201402)
102 #define _PSTL_CPP14_INTEGER_SEQUENCE_PRESENT (_MSC_VER >= 1900 || __cplusplus >= 201402L)
103 #define _PSTL_CPP14_VARIABLE_TEMPLATES_PRESENT                                                                         \
104     (!__INTEL_COMPILER || __INTEL_COMPILER >= 1700) && (_MSC_FULL_VER >= 190023918 || __cplusplus >= 201402L)
105 
106 #define _PSTL_EARLYEXIT_PRESENT (__INTEL_COMPILER >= 1800)
107 #define _PSTL_MONOTONIC_PRESENT (__INTEL_COMPILER >= 1800)
108 
109 #if (__INTEL_COMPILER >= 1900 || !defined(__INTEL_COMPILER) && _PSTL_GCC_VERSION >= 40900 || _OPENMP >= 201307)
110 #    define _PSTL_UDR_PRESENT 1
111 #else
112 #    define _PSTL_UDR_PRESENT 0
113 #endif
114 
115 #define _PSTL_UDS_PRESENT (__INTEL_COMPILER >= 1900 && __INTEL_COMPILER_BUILD_DATE >= 20180626)
116 
117 #if _PSTL_EARLYEXIT_PRESENT
118 #    define _PSTL_PRAGMA_SIMD_EARLYEXIT _PSTL_PRAGMA(omp simd early_exit)
119 #else
120 #    define _PSTL_PRAGMA_SIMD_EARLYEXIT
121 #endif
122 
123 #if _PSTL_MONOTONIC_PRESENT
124 #    define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC(PRM) _PSTL_PRAGMA(omp ordered simd monotonic(PRM))
125 #    define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC_2ARGS(PRM1, PRM2) _PSTL_PRAGMA(omp ordered simd monotonic(PRM1, PRM2))
126 #else
127 #    define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC(PRM)
128 #    define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC_2ARGS(PRM1, PRM2)
129 #endif
130 
131 // Declaration of reduction functor, where
132 // NAME - the name of the functor
133 // OP - type of the callable object with the reduction operation
134 // omp_in - refers to the local partial result
135 // omp_out - refers to the final value of the combiner operator
136 // omp_priv - refers to the private copy of the initial value
137 // omp_orig - refers to the original variable to be reduced
138 #define _PSTL_PRAGMA_DECLARE_REDUCTION(NAME, OP)                                                                       \
139     _PSTL_PRAGMA(omp declare reduction(NAME:OP : omp_out(omp_in)) initializer(omp_priv = omp_orig))
140 
141 #if (__INTEL_COMPILER >= 1600)
142 #    define _PSTL_PRAGMA_VECTOR_UNALIGNED _PSTL_PRAGMA(vector unaligned)
143 #else
144 #    define _PSTL_PRAGMA_VECTOR_UNALIGNED
145 #endif
146 
147 // Check the user-defined macro to use non-temporal stores
148 #if defined(PSTL_USE_NONTEMPORAL_STORES) && (__INTEL_COMPILER >= 1600)
149 #    define _PSTL_USE_NONTEMPORAL_STORES_IF_ALLOWED _PSTL_PRAGMA(vector nontemporal)
150 #else
151 #    define _PSTL_USE_NONTEMPORAL_STORES_IF_ALLOWED
152 #endif
153 
154 #if _MSC_VER || __INTEL_COMPILER //the preprocessors don't type a message location
155 #    define _PSTL_PRAGMA_LOCATION __FILE__ ":" _PSTL_STRING(__LINE__) ": [Parallel STL message]: "
156 #else
157 #    define _PSTL_PRAGMA_LOCATION " [Parallel STL message]: "
158 #endif
159 
160 #define _PSTL_PRAGMA_MESSAGE_IMPL(x) _PSTL_PRAGMA(message(_PSTL_STRING_CONCAT(_PSTL_PRAGMA_LOCATION, x)))
161 
162 #if _PSTL_USAGE_WARNINGS
163 #    define _PSTL_PRAGMA_MESSAGE(x) _PSTL_PRAGMA_MESSAGE_IMPL(x)
164 #    define _PSTL_PRAGMA_MESSAGE_POLICIES(x) _PSTL_PRAGMA_MESSAGE_IMPL(x)
165 #else
166 #    define _PSTL_PRAGMA_MESSAGE(x)
167 #    define _PSTL_PRAGMA_MESSAGE_POLICIES(x)
168 #endif
169 
170 // broken macros
171 #define _PSTL_CPP11_STD_ROTATE_BROKEN ((__GLIBCXX__ && __GLIBCXX__ < 20150716) || (_MSC_VER && _MSC_VER < 1800))
172 
173 #define _PSTL_ICC_18_OMP_SIMD_BROKEN (__INTEL_COMPILER == 1800)
174 
175 #endif /* _PSTL_CONFIG_H */
176