1 // -*- C++ -*- 2 //===-- memory_impl.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_MEMORY_IMPL_H 11 #define _PSTL_MEMORY_IMPL_H 12 13 #include <iterator> 14 15 #include "unseq_backend_simd.h" 16 17 namespace __pstl 18 { 19 namespace __internal 20 { 21 22 //------------------------------------------------------------------------ 23 // uninitialized_move 24 //------------------------------------------------------------------------ 25 26 template <class _ForwardIterator, class _OutputIterator> 27 _OutputIterator 28 __brick_uninitialized_move(_ForwardIterator __first, _ForwardIterator __last, _OutputIterator __result, 29 /*vector=*/std::false_type) noexcept 30 { 31 typedef typename std::iterator_traits<_OutputIterator>::value_type _ValueType2; 32 for (; __first != __last; ++__first, ++__result) 33 { 34 ::new (std::addressof(*__result)) _ValueType2(std::move(*__first)); 35 } 36 return __result; 37 } 38 39 template <class _ForwardIterator, class _OutputIterator> 40 _OutputIterator 41 __brick_uninitialized_move(_ForwardIterator __first, _ForwardIterator __last, _OutputIterator __result, 42 /*vector=*/std::true_type) noexcept 43 { 44 typedef typename std::iterator_traits<_OutputIterator>::value_type __ValueType2; 45 typedef typename std::iterator_traits<_ForwardIterator>::reference _ReferenceType1; 46 typedef typename std::iterator_traits<_OutputIterator>::reference _ReferenceType2; 47 48 return __unseq_backend::__simd_walk_2( 49 __first, __last - __first, __result, 50 [](_ReferenceType1 __x, _ReferenceType2 __y) { ::new (std::addressof(__y)) __ValueType2(std::move(__x)); }); 51 } 52 53 } // namespace __internal 54 } // namespace __pstl 55 56 #endif /* _PSTL_MEMORY_IMPL_H */ 57