diff options
Diffstat (limited to 'system/include/libcxx/__bit_reference')
| -rw-r--r-- | system/include/libcxx/__bit_reference | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/system/include/libcxx/__bit_reference b/system/include/libcxx/__bit_reference index 1621deb8..857dd5a4 100644 --- a/system/include/libcxx/__bit_reference +++ b/system/include/libcxx/__bit_reference @@ -173,6 +173,8 @@ __find_bool_true(__bit_iterator<_Cp, _IsConst> __first, typename _Cp::size_type __storage_type __b = *__first.__seg_ & __m; if (__b) return _It(__first.__seg_, static_cast<unsigned>(_VSTD::__ctz(__b))); + if (__n == __dn) + return _It(__first.__seg_, __first.__ctz_ + __n); __n -= __dn; ++__first.__seg_; } @@ -207,6 +209,8 @@ __find_bool_false(__bit_iterator<_Cp, _IsConst> __first, typename _Cp::size_type __storage_type __b = ~*__first.__seg_ & __m; if (__b) return _It(__first.__seg_, static_cast<unsigned>(_VSTD::__ctz(__b))); + if (__n == __dn) + return _It(__first.__seg_, __first.__ctz_ + __n); __n -= __dn; ++__first.__seg_; } @@ -333,7 +337,7 @@ __fill_n_false(__bit_iterator<_Cp, false> __first, typename _Cp::size_type __n) } // do middle whole words __storage_type __nw = __n / __bits_per_word; - _VSTD::memset(__first.__seg_, 0, __nw * sizeof(__storage_type)); + _VSTD::memset(_VSTD::__to_raw_pointer(__first.__seg_), 0, __nw * sizeof(__storage_type)); __n -= __nw * __bits_per_word; // do last partial word if (__n > 0) @@ -363,7 +367,7 @@ __fill_n_true(__bit_iterator<_Cp, false> __first, typename _Cp::size_type __n) } // do middle whole words __storage_type __nw = __n / __bits_per_word; - _VSTD::memset(__first.__seg_, -1, __nw * sizeof(__storage_type)); + _VSTD::memset(_VSTD::__to_raw_pointer(__first.__seg_), -1, __nw * sizeof(__storage_type)); __n -= __nw * __bits_per_word; // do last partial word if (__n > 0) @@ -430,7 +434,9 @@ __copy_aligned(__bit_iterator<_Cp, _IsConst> __first, __bit_iterator<_Cp, _IsCon // __first.__ctz_ == 0; // do middle words __storage_type __nw = __n / __bits_per_word; - _VSTD::memmove(__result.__seg_, __first.__seg_, __nw * sizeof(__storage_type)); + _VSTD::memmove(_VSTD::__to_raw_pointer(__result.__seg_), + _VSTD::__to_raw_pointer(__first.__seg_), + __nw * sizeof(__storage_type)); __n -= __nw * __bits_per_word; __result.__seg_ += __nw; // do last word @@ -569,7 +575,9 @@ __copy_backward_aligned(__bit_iterator<_Cp, _IsConst> __first, __bit_iterator<_C __storage_type __nw = __n / __bits_per_word; __result.__seg_ -= __nw; __last.__seg_ -= __nw; - _VSTD::memmove(__result.__seg_, __last.__seg_, __nw * sizeof(__storage_type)); + _VSTD::memmove(_VSTD::__to_raw_pointer(__result.__seg_), + _VSTD::__to_raw_pointer(__last.__seg_), + __nw * sizeof(__storage_type)); __n -= __nw * __bits_per_word; // do last word if (__n > 0) @@ -870,6 +878,7 @@ struct __bit_array { typedef typename _Cp::difference_type difference_type; typedef typename _Cp::__storage_type __storage_type; + typedef typename _Cp::__storage_pointer __storage_pointer; typedef typename _Cp::iterator iterator; static const unsigned __bits_per_word = _Cp::__bits_per_word; static const unsigned _Np = 4; @@ -880,9 +889,15 @@ struct __bit_array _LIBCPP_INLINE_VISIBILITY static difference_type capacity() {return static_cast<difference_type>(_Np * __bits_per_word);} _LIBCPP_INLINE_VISIBILITY explicit __bit_array(difference_type __s) : __size_(__s) {} - _LIBCPP_INLINE_VISIBILITY iterator begin() {return iterator(__word_, 0);} - _LIBCPP_INLINE_VISIBILITY iterator end() {return iterator(__word_ + __size_ / __bits_per_word, - static_cast<unsigned>(__size_ % __bits_per_word));} + _LIBCPP_INLINE_VISIBILITY iterator begin() + { + return iterator(pointer_traits<__storage_pointer>::pointer_to(__word_[0]), 0); + } + _LIBCPP_INLINE_VISIBILITY iterator end() + { + return iterator(pointer_traits<__storage_pointer>::pointer_to(__word_[0]) + __size_ / __bits_per_word, + static_cast<unsigned>(__size_ % __bits_per_word)); + } }; template <class _Cp> @@ -1093,7 +1108,11 @@ private: unsigned __ctz_; public: - _LIBCPP_INLINE_VISIBILITY __bit_iterator() _NOEXCEPT {} + _LIBCPP_INLINE_VISIBILITY __bit_iterator() _NOEXCEPT +#if _LIBCPP_STD_VER > 11 + : __seg_(nullptr), __ctz_(0) +#endif + {} _LIBCPP_INLINE_VISIBILITY __bit_iterator(const __bit_iterator<_Cp, false>& __it) _NOEXCEPT |