d920658cbb
When we rebased the PSTL on upstream, in r14-2109-g3162ca09dbdc2e, a change to how _PSTL_USAGE_WARNINGS is set was missed out, but the change to how it's tested was included. This means that the macro is always defined, so testing it with #ifdef (instead of using #if to test its value) doesn't work as intended. Revert the test to use #if again, since that part of the upstream change was unnecessary in the first place (the macro is always defined, so there's no need to use #ifdef to avoid -Wundef warnings). libstdc++-v3/ChangeLog: PR libstdc++/113376 * include/pstl/pstl_config.h: Use #if instead of #ifdef to test the _PSTL_USAGE_WARNINGS macro. (cherry picked from commit 99a1fe6c12c733fe4923a75a79d09a66ff8abcec)
198 lines
7.8 KiB
C++
198 lines
7.8 KiB
C++
// -*- C++ -*-
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//===-- pstl_config.h -----------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _PSTL_CONFIG_H
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#define _PSTL_CONFIG_H
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// The version is XYYZ, where X is major, YY is minor, and Z is patch (i.e. X.YY.Z)
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#define _PSTL_VERSION 17000
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#define _PSTL_VERSION_MAJOR (_PSTL_VERSION / 1000)
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#define _PSTL_VERSION_MINOR ((_PSTL_VERSION % 1000) / 10)
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#define _PSTL_VERSION_PATCH (_PSTL_VERSION % 10)
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#if !defined(_PSTL_PAR_BACKEND_SERIAL) && !defined(_PSTL_PAR_BACKEND_TBB) && !defined(_PSTL_PAR_BACKEND_OPENMP)
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# error "A parallel backend must be specified"
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#endif
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// Check the user-defined macro for warnings
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#if defined(PSTL_USAGE_WARNINGS)
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# undef _PSTL_USAGE_WARNINGS
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# define _PSTL_USAGE_WARNINGS PSTL_USAGE_WARNINGS
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// Check the internal macro for warnings
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#elif !defined(_PSTL_USAGE_WARNINGS)
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# define _PSTL_USAGE_WARNINGS 0
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#endif
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// Portability "#pragma" definition
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#ifdef _MSC_VER
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# define _PSTL_PRAGMA(x) __pragma(x)
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#else
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# define _PSTL_PRAGMA(x) _Pragma(# x)
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#endif
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#define _PSTL_STRING_AUX(x) #x
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#define _PSTL_STRING(x) _PSTL_STRING_AUX(x)
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#define _PSTL_STRING_CONCAT(x, y) x #y
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#ifdef _PSTL_HIDE_FROM_ABI_PER_TU
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# define _PSTL_HIDE_FROM_ABI_PUSH \
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_Pragma("clang attribute push(__attribute__((internal_linkage)), apply_to=any(function,record))")
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# define _PSTL_HIDE_FROM_ABI_POP _Pragma("clang attribute pop")
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#else
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# define _PSTL_HIDE_FROM_ABI_PUSH /* nothing */
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# define _PSTL_HIDE_FROM_ABI_POP /* nothing */
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#endif
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// note that when ICC or Clang is in use, _PSTL_GCC_VERSION might not fully match
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// the actual GCC version on the system.
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#define _PSTL_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
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#if defined(__clang__)
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// according to clang documentation, version can be vendor specific
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# define _PSTL_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
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#endif
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// Enable SIMD for compilers that support OpenMP 4.0
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#if (defined(_OPENMP) && _OPENMP >= 201307) || \
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(defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 1600) || \
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(!defined(__INTEL_COMPILER) && _PSTL_GCC_VERSION >= 40900) || \
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defined(__clang__)
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# define _PSTL_PRAGMA_SIMD _PSTL_PRAGMA(omp simd)
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# define _PSTL_PRAGMA_DECLARE_SIMD _PSTL_PRAGMA(omp declare simd)
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# define _PSTL_PRAGMA_SIMD_REDUCTION(PRM) _PSTL_PRAGMA(omp simd reduction(PRM))
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#elif !defined(_MSC_VER) //#pragma simd
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# define _PSTL_PRAGMA_SIMD _PSTL_PRAGMA(simd)
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# define _PSTL_PRAGMA_DECLARE_SIMD
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# define _PSTL_PRAGMA_SIMD_REDUCTION(PRM) _PSTL_PRAGMA(simd reduction(PRM))
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#else //no simd
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# define _PSTL_PRAGMA_SIMD
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# define _PSTL_PRAGMA_DECLARE_SIMD
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# define _PSTL_PRAGMA_SIMD_REDUCTION(PRM)
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#endif //Enable SIMD
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#if defined(__INTEL_COMPILER)
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# define _PSTL_PRAGMA_FORCEINLINE _PSTL_PRAGMA(forceinline)
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#else
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# define _PSTL_PRAGMA_FORCEINLINE
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#endif
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#if (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 1900) || \
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(!defined(__INTEL_COMPILER) && _PSTL_GCC_VERSION >= 100000)
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# define _PSTL_PRAGMA_SIMD_SCAN(PRM) _PSTL_PRAGMA(omp simd reduction(inscan, PRM))
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# define _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN(PRM) _PSTL_PRAGMA(omp scan inclusive(PRM))
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# define _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN(PRM) _PSTL_PRAGMA(omp scan exclusive(PRM))
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#else
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# define _PSTL_PRAGMA_SIMD_SCAN(PRM)
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# define _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN(PRM)
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# define _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN(PRM)
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#endif
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// Should be defined to 1 for environments with a vendor implementation of C++17 execution policies
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#define _PSTL_CPP17_EXECUTION_POLICIES_PRESENT (_MSC_VER >= 1912 && _MSVC_LANG >= 201703L) || \
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(_GLIBCXX_RELEASE >= 9 && __GLIBCXX__ >= 20190503 && __cplusplus >= 201703L)
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#if (defined(_MSC_VER) && _MSC_VER >= 1900) || \
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__cplusplus >= 201300L || \
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__cpp_lib_robust_nonmodifying_seq_ops == 201304
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# define _PSTL_CPP14_2RANGE_MISMATCH_EQUAL_PRESENT
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#endif
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#if (defined(_MSC_VER) && _MSC_VER >= 1900) || \
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__cplusplus >= 201402L || \
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__cpp_lib_make_reverse_iterator == 201402
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# define _PSTL_CPP14_MAKE_REVERSE_ITERATOR_PRESENT
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#endif
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#if (defined(_MSC_VER) && _MSC_VER >= 1900) || __cplusplus >= 201402L
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# define _PSTL_CPP14_INTEGER_SEQUENCE_PRESENT
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#endif
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#if (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 1700) || \
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(defined(_MSC_FULL_VER) && _MSC_FULL_VER >= 190023918) || \
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__cplusplus >= 201402L
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# define _PSTL_CPP14_VARIABLE_TEMPLATES_PRESENT
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#endif
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#if defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 1800
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# define _PSTL_EARLYEXIT_PRESENT
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# define _PSTL_MONOTONIC_PRESENT
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#endif
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#if (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 1900) || \
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(!defined(__INTEL_COMPILER) && _PSTL_GCC_VERSION >= 40900) || \
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(defined(_OPENMP) && _OPENMP >= 201307)
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# define _PSTL_UDR_PRESENT
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#endif
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#if (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 1900 && __INTEL_COMPILER_BUILD_DATE >= 20180626) || \
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(!defined(__INTEL_COMPILER) && _PSTL_GCC_VERSION >= 100000)
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# define _PSTL_UDS_PRESENT
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#endif
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#if defined(_PSTL_EARLYEXIT_PRESENT)
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# define _PSTL_PRAGMA_SIMD_EARLYEXIT _PSTL_PRAGMA(omp simd early_exit)
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#else
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# define _PSTL_PRAGMA_SIMD_EARLYEXIT
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#endif
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#if defined(_PSTL_MONOTONIC_PRESENT)
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# define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC(PRM) _PSTL_PRAGMA(omp ordered simd monotonic(PRM))
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# define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC_2ARGS(PRM1, PRM2) _PSTL_PRAGMA(omp ordered simd monotonic(PRM1, PRM2))
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#else
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# define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC(PRM)
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# define _PSTL_PRAGMA_SIMD_ORDERED_MONOTONIC_2ARGS(PRM1, PRM2)
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#endif
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// Declaration of reduction functor, where
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// NAME - the name of the functor
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// OP - type of the callable object with the reduction operation
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// omp_in - refers to the local partial result
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// omp_out - refers to the final value of the combiner operator
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// omp_priv - refers to the private copy of the initial value
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// omp_orig - refers to the original variable to be reduced
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#define _PSTL_PRAGMA_DECLARE_REDUCTION(NAME, OP) \
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_PSTL_PRAGMA(omp declare reduction(NAME:OP : omp_out(omp_in)) initializer(omp_priv = omp_orig))
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#if defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 1600
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# define _PSTL_PRAGMA_VECTOR_UNALIGNED _PSTL_PRAGMA(vector unaligned)
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#else
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# define _PSTL_PRAGMA_VECTOR_UNALIGNED
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#endif
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// Check the user-defined macro to use non-temporal stores
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#if defined(PSTL_USE_NONTEMPORAL_STORES) && (__INTEL_COMPILER >= 1600)
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# define _PSTL_USE_NONTEMPORAL_STORES_IF_ALLOWED _PSTL_PRAGMA(vector nontemporal)
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#else
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# define _PSTL_USE_NONTEMPORAL_STORES_IF_ALLOWED
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#endif
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#if defined(_MSC_VER) || defined(__INTEL_COMPILER) // the preprocessors don't type a message location
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# define _PSTL_PRAGMA_LOCATION __FILE__ ":" _PSTL_STRING(__LINE__) ": [Parallel STL message]: "
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#else
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# define _PSTL_PRAGMA_LOCATION " [Parallel STL message]: "
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#endif
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#define _PSTL_PRAGMA_MESSAGE_IMPL(x) _PSTL_PRAGMA(message(_PSTL_STRING_CONCAT(_PSTL_PRAGMA_LOCATION, x)))
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#if _PSTL_USAGE_WARNINGS
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# define _PSTL_PRAGMA_MESSAGE(x) _PSTL_PRAGMA_MESSAGE_IMPL(x)
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# define _PSTL_PRAGMA_MESSAGE_POLICIES(x) _PSTL_PRAGMA_MESSAGE_IMPL(x)
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#else
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# define _PSTL_PRAGMA_MESSAGE(x)
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# define _PSTL_PRAGMA_MESSAGE_POLICIES(x)
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#endif
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// broken macros
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#if (defined(__GLIBCXX__) && __GLIBCXX__ < 20150716) || \
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(defined(_MSC_VER) && _MSC_VER < 1800)
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# define _PSTL_CPP11_STD_ROTATE_BROKEN
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#endif
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#if defined(__INTEL_COMPILER) && __INTEL_COMPILER == 1800
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# define _PSTL_ICC_18_OMP_SIMD_BROKEN
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#endif
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#endif /* _PSTL_CONFIG_H */
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