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// The version is XYYZ, where X is major, YY is minor, and Z is patch (i.e. X.YY.Z)
14#define _PSTL_VERSION 12000
15#define _PSTL_VERSION_MAJOR (_PSTL_VERSION / 1000)
16#define _PSTL_VERSION_MINOR ((_PSTL_VERSION % 1000) / 10)
17#define _PSTL_VERSION_PATCH (_PSTL_VERSION % 10)
18
19#if !defined(_PSTL_PAR_BACKEND_SERIAL) && !defined(_PSTL_PAR_BACKEND_TBB)
20# error "A parallel backend must be specified"
21#endif
22
23// Check the user-defined macro for warnings
24#if defined(PSTL_USAGE_WARNINGS)
25# undef _PSTL_USAGE_WARNINGS
26# define _PSTL_USAGE_WARNINGS PSTL_USAGE_WARNINGS
27// Check the internal macro for warnings
28#elif !defined(_PSTL_USAGE_WARNINGS)
29# define _PSTL_USAGE_WARNINGS 0
30#endif
31
32// Portability "#pragma" definition
33#ifdef _MSC_VER
34# define _PSTL_PRAGMA(x) __pragma(x)
35#else
36# define _PSTL_PRAGMA(x) _Pragma(# x)
37#endif
38
39#define _PSTL_STRING_AUX(x) #x
40#define _PSTL_STRING(x) _PSTL_STRING_AUX(x)
41#define _PSTL_STRING_CONCAT(x, y) x #y
42
43#ifdef _PSTL_HIDE_FROM_ABI_PER_TU
44# define _PSTL_HIDE_FROM_ABI_PUSH \
45 _Pragma("clang attribute push(__attribute__((internal_linkage)), apply_to=any(function,record))")
46# define _PSTL_HIDE_FROM_ABI_POP _Pragma("clang attribute pop")
47#else
48# define _PSTL_HIDE_FROM_ABI_PUSH /* nothing */
49# define _PSTL_HIDE_FROM_ABI_POP /* nothing */
50#endif
51
52// note that when ICC or Clang is in use, _PSTL_GCC_VERSION might not fully match
53// the actual GCC version on the system.
54#define _PSTL_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
55
56#if __clang__
57// according to clang documentation, version can be vendor specific
58# define _PSTL_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
59#endif
60
61// Enable SIMD for compilers that support OpenMP 4.0
62#if (_OPENMP >= 201307) || (__INTEL_COMPILER >= 1600) || (!defined(__INTEL_COMPILER) && _PSTL_GCC_VERSION >= 40900) || \
63 defined(__clang__)
64# define _PSTL_PRAGMA_SIMD _PSTL_PRAGMA(omp simd)
65# define _PSTL_PRAGMA_DECLARE_SIMD _PSTL_PRAGMA(omp declare simd)
66# define _PSTL_PRAGMA_SIMD_REDUCTION(PRM) _PSTL_PRAGMA(omp simd reduction(PRM))
67#elif !defined(_MSC_VER) //#pragma simd
68# define _PSTL_PRAGMA_SIMD _PSTL_PRAGMA(simd)
69# define _PSTL_PRAGMA_DECLARE_SIMD
70# define _PSTL_PRAGMA_SIMD_REDUCTION(PRM) _PSTL_PRAGMA(simd reduction(PRM))
71#else //no simd
72# define _PSTL_PRAGMA_SIMD
73# define _PSTL_PRAGMA_DECLARE_SIMD
74# define _PSTL_PRAGMA_SIMD_REDUCTION(PRM)
75#endif //Enable SIMD
76
77#if (__INTEL_COMPILER)
78# define _PSTL_PRAGMA_FORCEINLINE _PSTL_PRAGMA(forceinline)
79#else
80# define _PSTL_PRAGMA_FORCEINLINE
81#endif
82
83#if (__INTEL_COMPILER >= 1900)
84# define _PSTL_PRAGMA_SIMD_SCAN(PRM) _PSTL_PRAGMA(omp simd reduction(inscan, PRM))
85# define _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN(PRM) _PSTL_PRAGMA(omp scan inclusive(PRM))
86# define _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN(PRM) _PSTL_PRAGMA(omp scan exclusive(PRM))
87#else
88# define _PSTL_PRAGMA_SIMD_SCAN(PRM)
89# define _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN(PRM)
90# define _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN(PRM)
91#endif
92
93// Should be defined to 1 for environments with a vendor implementation of C++17 execution policies
94#define _PSTL_CPP17_EXECUTION_POLICIES_PRESENT (_MSC_VER >= 1912)
95
96#define _PSTL_CPP14_2RANGE_MISMATCH_EQUAL_PRESENT \
97 (_MSC_VER >= 1900 || __cplusplus >= 201300L || __cpp_lib_robust_nonmodifying_seq_ops == 201304)
98#define _PSTL_CPP14_MAKE_REVERSE_ITERATOR_PRESENT \
99 (_MSC_VER >= 1900 || __cplusplus >= 201402L || __cpp_lib_make_reverse_iterator == 201402)
100#define _PSTL_CPP14_INTEGER_SEQUENCE_PRESENT (_MSC_VER >= 1900 || __cplusplus >= 201402L)
101#define _PSTL_CPP14_VARIABLE_TEMPLATES_PRESENT \
102 (!__INTEL_COMPILER || __INTEL_COMPILER >= 1700) && (_MSC_FULL_VER >= 190023918 || __cplusplus >= 201402L)
103
104#define _PSTL_EARLYEXIT_PRESENT (__INTEL_COMPILER >= 1800)
105#define _PSTL_MONOTONIC_PRESENT (__INTEL_COMPILER >= 1800)
106
107#if (__INTEL_COMPILER >= 1900 || !defined(__INTEL_COMPILER) && _PSTL_GCC_VERSION >= 40900 || _OPENMP >= 201307)
108# define _PSTL_UDR_PRESENT 1
109#else
110# define _PSTL_UDR_PRESENT 0
111#endif
112
113#define _PSTL_UDS_PRESENT (__INTEL_COMPILER >= 1900 && __INTEL_COMPILER_BUILD_DATE >= 20180626)
114
115#if _PSTL_EARLYEXIT_PRESENT
116# define _PSTL_PRAGMA_SIMD_EARLYEXIT _PSTL_PRAGMA(omp simd early_exit)
117#else
118# define _PSTL_PRAGMA_SIMD_EARLYEXIT
119#endif
120
121#if _PSTL_MONOTONIC_PRESENT
122# define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC(PRM) _PSTL_PRAGMA(omp ordered simd monotonic(PRM))
123# define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC_2ARGS(PRM1, PRM2) _PSTL_PRAGMA(omp ordered simd monotonic(PRM1, PRM2))
124#else
125# define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC(PRM)
126# define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC_2ARGS(PRM1, PRM2)
127#endif
128
129// Declaration of reduction functor, where
130// NAME - the name of the functor
131// OP - type of the callable object with the reduction operation
132// omp_in - refers to the local partial result
133// omp_out - refers to the final value of the combiner operator
134// omp_priv - refers to the private copy of the initial value
135// omp_orig - refers to the original variable to be reduced
136#define _PSTL_PRAGMA_DECLARE_REDUCTION(NAME, OP) \
137 _PSTL_PRAGMA(omp declare reduction(NAME:OP : omp_out(omp_in)) initializer(omp_priv = omp_orig))
138
139#if (__INTEL_COMPILER >= 1600)
140# define _PSTL_PRAGMA_VECTOR_UNALIGNED _PSTL_PRAGMA(vector unaligned)
141#else
142# define _PSTL_PRAGMA_VECTOR_UNALIGNED
143#endif
144
145// Check the user-defined macro to use non-temporal stores
146#if defined(PSTL_USE_NONTEMPORAL_STORES) && (__INTEL_COMPILER >= 1600)
147# define _PSTL_USE_NONTEMPORAL_STORES_IF_ALLOWED _PSTL_PRAGMA(vector nontemporal)
148#else
149# define _PSTL_USE_NONTEMPORAL_STORES_IF_ALLOWED
150#endif
151
152#if _MSC_VER || __INTEL_COMPILER //the preprocessors don't type a message location
153# define _PSTL_PRAGMA_LOCATION __FILE__ ":" _PSTL_STRING(__LINE__) ": [Parallel STL message]: "
154#else
155# define _PSTL_PRAGMA_LOCATION " [Parallel STL message]: "
156#endif
157
158#define _PSTL_PRAGMA_MESSAGE_IMPL(x) _PSTL_PRAGMA(message(_PSTL_STRING_CONCAT(_PSTL_PRAGMA_LOCATION, x)))
159
160#if _PSTL_USAGE_WARNINGS
161# define _PSTL_PRAGMA_MESSAGE(x) _PSTL_PRAGMA_MESSAGE_IMPL(x)
162# define _PSTL_PRAGMA_MESSAGE_POLICIES(x) _PSTL_PRAGMA_MESSAGE_IMPL(x)
163#else
164# define _PSTL_PRAGMA_MESSAGE(x)
165# define _PSTL_PRAGMA_MESSAGE_POLICIES(x)
166#endif
167
168// broken macros
169#define _PSTL_CPP11_STD_ROTATE_BROKEN ((__GLIBCXX__ && __GLIBCXX__ < 20150716) || (_MSC_VER && _MSC_VER < 1800))
170
171#define _PSTL_ICC_18_OMP_SIMD_BROKEN (__INTEL_COMPILER == 1800)
172
173#endif /* _PSTL_CONFIG_H */
174