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1571 lines
60 KiB
C++
1571 lines
60 KiB
C++
// -*- C++ -*-
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//===------------------------------- simd ---------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_EXPERIMENTAL_SIMD
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#define _LIBCPP_EXPERIMENTAL_SIMD
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/*
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experimental/simd synopsis
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namespace std::experimental {
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inline namespace parallelism_v2 {
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namespace simd_abi {
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struct scalar {};
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template <int N> struct fixed_size {};
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template <typename T> inline constexpr int max_fixed_size = implementation-defined;
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template <typename T> using compatible = implementation-defined;
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template <typename T> using native = implementation-defined;
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} // simd_abi
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struct element_aligned_tag {};
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struct vector_aligned_tag {};
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template <size_t> struct overaligned_tag {};
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inline constexpr element_aligned_tag element_aligned{};
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inline constexpr vector_aligned_tag vector_aligned{};
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template <size_t N> inline constexpr overaligned_tag<N> overaligned{};
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// traits [simd.traits]
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template <class T> struct is_abi_tag;
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template <class T> inline constexpr bool is_abi_tag_v = is_abi_tag<T>::value;
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template <class T> struct is_simd;
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template <class T> inline constexpr bool is_simd_v = is_simd<T>::value;
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template <class T> struct is_simd_mask;
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template <class T> inline constexpr bool is_simd_mask_v = is_simd_mask<T>::value;
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template <class T> struct is_simd_flag_type;
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template <class T> inline constexpr bool is_simd_flag_type_v = is_simd_flag_type<T>::value;
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template <class T, size_t N> struct abi_for_size { using type = see below; };
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template <class T, size_t N> using abi_for_size_t = typename abi_for_size<T, N>::type;
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template <class T, class Abi = simd_abi::compatible<T>> struct simd_size;
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template <class T, class Abi = simd_abi::compatible<T>>
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inline constexpr size_t simd_size_v = simd_size<T, Abi>::value;
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template <class T, class U = typename T::value_type> struct memory_alignment;
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template <class T, class U = typename T::value_type>
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inline constexpr size_t memory_alignment_v = memory_alignment<T, U>::value;
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// class template simd [simd.class]
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template <class T, class Abi = simd_abi::compatible<T>> class simd;
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template <class T> using native_simd = simd<T, simd_abi::native<T>>;
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template <class T, int N> using fixed_size_simd = simd<T, simd_abi::fixed_size<N>>;
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// class template simd_mask [simd.mask.class]
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template <class T, class Abi = simd_abi::compatible<T>> class simd_mask;
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template <class T> using native_simd_mask = simd_mask<T, simd_abi::native<T>>;
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template <class T, int N> using fixed_size_simd_mask = simd_mask<T, simd_abi::fixed_size<N>>;
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// casts [simd.casts]
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template <class T, class U, class Abi> see below simd_cast(const simd<U, Abi>&);
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template <class T, class U, class Abi> see below static_simd_cast(const simd<U, Abi>&);
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template <class T, class Abi>
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fixed_size_simd<T, simd_size_v<T, Abi>> to_fixed_size(const simd<T, Abi>&) noexcept;
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template <class T, class Abi>
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fixed_size_simd_mask<T, simd_size_v<T, Abi>> to_fixed_size(const simd_mask<T, Abi>&) noexcept;
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template <class T, size_t N> native_simd<T> to_native(const fixed_size_simd<T, N>&) noexcept;
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template <class T, size_t N>
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native_simd_mask<T> to_native(const fixed_size_simd_mask<T, N>> &) noexcept;
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template <class T, size_t N> simd<T> to_compatible(const fixed_size_simd<T, N>&) noexcept;
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template <class T, size_t N> simd_mask<T> to_compatible(const fixed_size_simd_mask<T, N>&) noexcept;
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template <size_t... Sizes, class T, class Abi>
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tuple<simd<T, abi_for_size_t<Sizes>>...> split(const simd<T, Abi>&);
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template <size_t... Sizes, class T, class Abi>
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tuple<simd_mask<T, abi_for_size_t<Sizes>>...> split(const simd_mask<T, Abi>&);
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template <class V, class Abi>
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array<V, simd_size_v<typename V::value_type, Abi> / V::size()> split(
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const simd<typename V::value_type, Abi>&);
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template <class V, class Abi>
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array<V, simd_size_v<typename V::value_type, Abi> / V::size()> split(
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const simd_mask<typename V::value_type, Abi>&);
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template <class T, class... Abis>
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simd<T, abi_for_size_t<T, (simd_size_v<T, Abis> + ...)>> concat(const simd<T, Abis>&...);
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template <class T, class... Abis>
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simd_mask<T, abi_for_size_t<T, (simd_size_v<T, Abis> + ...)>> concat(const simd_mask<T, Abis>&...);
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// reductions [simd.mask.reductions]
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template <class T, class Abi> bool all_of(const simd_mask<T, Abi>&) noexcept;
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template <class T, class Abi> bool any_of(const simd_mask<T, Abi>&) noexcept;
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template <class T, class Abi> bool none_of(const simd_mask<T, Abi>&) noexcept;
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template <class T, class Abi> bool some_of(const simd_mask<T, Abi>&) noexcept;
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template <class T, class Abi> int popcount(const simd_mask<T, Abi>&) noexcept;
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template <class T, class Abi> int find_first_set(const simd_mask<T, Abi>&);
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template <class T, class Abi> int find_last_set(const simd_mask<T, Abi>&);
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bool all_of(see below) noexcept;
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bool any_of(see below) noexcept;
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bool none_of(see below) noexcept;
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bool some_of(see below) noexcept;
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int popcount(see below) noexcept;
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int find_first_set(see below) noexcept;
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int find_last_set(see below) noexcept;
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// masked assignment [simd.whereexpr]
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template <class M, class T> class const_where_expression;
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template <class M, class T> class where_expression;
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// masked assignment [simd.mask.where]
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template <class T> struct nodeduce { using type = T; }; // exposition only
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template <class T> using nodeduce_t = typename nodeduce<T>::type; // exposition only
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template <class T, class Abi>
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where_expression<simd_mask<T, Abi>, simd<T, Abi>>
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where(const typename simd<T, Abi>::mask_type&, simd<T, Abi>&) noexcept;
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template <class T, class Abi>
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const_where_expression<simd_mask<T, Abi>, const simd<T, Abi>>
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where(const typename simd<T, Abi>::mask_type&, const simd<T, Abi>&) noexcept;
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template <class T, class Abi>
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where_expression<simd_mask<T, Abi>, simd_mask<T, Abi>>
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where(const nodeduce_t<simd_mask<T, Abi>>&, simd_mask<T, Abi>&) noexcept;
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template <class T, class Abi>
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const_where_expression<simd_mask<T, Abi>, const simd_mask<T, Abi>>
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where(const nodeduce_t<simd_mask<T, Abi>>&, const simd_mask<T, Abi>&) noexcept;
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template <class T> where_expression<bool, T> where(see below k, T& d) noexcept;
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template <class T>
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const_where_expression<bool, const T> where(see below k, const T& d) noexcept;
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// reductions [simd.reductions]
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template <class T, class Abi, class BinaryOperation = std::plus<>>
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T reduce(const simd<T, Abi>&, BinaryOperation = BinaryOperation());
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template <class M, class V, class BinaryOperation>
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typename V::value_type reduce(const const_where_expression<M, V>& x,
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typename V::value_type neutral_element, BinaryOperation binary_op);
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template <class M, class V>
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typename V::value_type reduce(const const_where_expression<M, V>& x, plus<> binary_op = plus<>());
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template <class M, class V>
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typename V::value_type reduce(const const_where_expression<M, V>& x, multiplies<> binary_op);
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template <class M, class V>
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typename V::value_type reduce(const const_where_expression<M, V>& x, bit_and<> binary_op);
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template <class M, class V>
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typename V::value_type reduce(const const_where_expression<M, V>& x, bit_or<> binary_op);
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template <class M, class V>
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typename V::value_type reduce(const const_where_expression<M, V>& x, bit_xor<> binary_op);
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template <class T, class Abi> T hmin(const simd<T, Abi>&);
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template <class M, class V> T hmin(const const_where_expression<M, V>&);
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template <class T, class Abi> T hmax(const simd<T, Abi>&);
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template <class M, class V> T hmax(const const_where_expression<M, V>&);
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// algorithms [simd.alg]
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template <class T, class Abi> simd<T, Abi> min(const simd<T, Abi>&, const simd<T, Abi>&) noexcept;
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template <class T, class Abi> simd<T, Abi> max(const simd<T, Abi>&, const simd<T, Abi>&) noexcept;
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template <class T, class Abi>
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std::pair<simd<T, Abi>, simd<T, Abi>> minmax(const simd<T, Abi>&, const simd<T, Abi>&) noexcept;
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template <class T, class Abi>
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simd<T, Abi> clamp(const simd<T, Abi>& v, const simd<T, Abi>& lo, const simd<T, Abi>& hi);
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// [simd.whereexpr]
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template <class M, class T>
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class const_where_expression {
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const M& mask; // exposition only
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T& data; // exposition only
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public:
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const_where_expression(const const_where_expression&) = delete;
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const_where_expression& operator=(const const_where_expression&) = delete;
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remove_const_t<T> operator-() const &&;
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template <class U, class Flags> void copy_to(U* mem, Flags f) const &&;
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};
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template <class M, class T>
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class where_expression : public const_where_expression<M, T> {
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public:
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where_expression(const where_expression&) = delete;
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where_expression& operator=(const where_expression&) = delete;
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template <class U> void operator=(U&& x);
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template <class U> void operator+=(U&& x);
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template <class U> void operator-=(U&& x);
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template <class U> void operator*=(U&& x);
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template <class U> void operator/=(U&& x);
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template <class U> void operator%=(U&& x);
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template <class U> void operator&=(U&& x);
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template <class U> void operator|=(U&& x);
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template <class U> void operator^=(U&& x);
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template <class U> void operator<<=(U&& x);
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template <class U> void operator>>=(U&& x);
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void operator++();
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void operator++(int);
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void operator--();
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void operator--(int);
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template <class U, class Flags> void copy_from(const U* mem, Flags);
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};
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// [simd.class]
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template <class T, class Abi> class simd {
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public:
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using value_type = T;
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using reference = see below;
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using mask_type = simd_mask<T, Abi>;
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using abi_type = Abi;
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static constexpr size_t size() noexcept;
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simd() = default;
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// implicit type conversion constructor
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template <class U> simd(const simd<U, simd_abi::fixed_size<size()>>&);
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// implicit broadcast constructor (see below for constraints)
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template <class U> simd(U&& value);
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// generator constructor (see below for constraints)
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template <class G> explicit simd(G&& gen);
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// load constructor
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template <class U, class Flags> simd(const U* mem, Flags f);
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// loads [simd.load]
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template <class U, class Flags> void copy_from(const U* mem, Flags f);
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// stores [simd.store]
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template <class U, class Flags> void copy_to(U* mem, Flags f) const;
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// scalar access [simd.subscr]
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reference operator[](size_t);
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value_type operator[](size_t) const;
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// unary operators [simd.unary]
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simd& operator++();
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simd operator++(int);
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simd& operator--();
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simd operator--(int);
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mask_type operator!() const;
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simd operator~() const; // see below
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simd operator+() const;
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simd operator-() const;
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// binary operators [simd.binary]
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friend simd operator+ (const simd&, const simd&);
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friend simd operator- (const simd&, const simd&);
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friend simd operator* (const simd&, const simd&);
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friend simd operator/ (const simd&, const simd&);
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friend simd operator% (const simd&, const simd&);
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friend simd operator& (const simd&, const simd&);
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friend simd operator| (const simd&, const simd&);
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friend simd operator^ (const simd&, const simd&);
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friend simd operator<<(const simd&, const simd&);
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friend simd operator>>(const simd&, const simd&);
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friend simd operator<<(const simd&, int);
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friend simd operator>>(const simd&, int);
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// compound assignment [simd.cassign]
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friend simd& operator+= (simd&, const simd&);
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friend simd& operator-= (simd&, const simd&);
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friend simd& operator*= (simd&, const simd&);
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friend simd& operator/= (simd&, const simd&);
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friend simd& operator%= (simd&, const simd&);
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friend simd& operator&= (simd&, const simd&);
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friend simd& operator|= (simd&, const simd&);
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friend simd& operator^= (simd&, const simd&);
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friend simd& operator<<=(simd&, const simd&);
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friend simd& operator>>=(simd&, const simd&);
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friend simd& operator<<=(simd&, int);
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friend simd& operator>>=(simd&, int);
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// compares [simd.comparison]
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friend mask_type operator==(const simd&, const simd&);
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friend mask_type operator!=(const simd&, const simd&);
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friend mask_type operator>=(const simd&, const simd&);
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friend mask_type operator<=(const simd&, const simd&);
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friend mask_type operator> (const simd&, const simd&);
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friend mask_type operator< (const simd&, const simd&);
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};
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// [simd.math]
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template <class Abi> using scharv = simd<signed char, Abi>; // exposition only
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template <class Abi> using shortv = simd<short, Abi>; // exposition only
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template <class Abi> using intv = simd<int, Abi>; // exposition only
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template <class Abi> using longv = simd<long int, Abi>; // exposition only
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template <class Abi> using llongv = simd<long long int, Abi>; // exposition only
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template <class Abi> using floatv = simd<float, Abi>; // exposition only
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template <class Abi> using doublev = simd<double, Abi>; // exposition only
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template <class Abi> using ldoublev = simd<long double, Abi>; // exposition only
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template <class T, class V> using samesize = fixed_size_simd<T, V::size()>; // exposition only
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template <class Abi> floatv<Abi> acos(floatv<Abi> x);
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template <class Abi> doublev<Abi> acos(doublev<Abi> x);
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template <class Abi> ldoublev<Abi> acos(ldoublev<Abi> x);
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template <class Abi> floatv<Abi> asin(floatv<Abi> x);
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template <class Abi> doublev<Abi> asin(doublev<Abi> x);
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template <class Abi> ldoublev<Abi> asin(ldoublev<Abi> x);
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template <class Abi> floatv<Abi> atan(floatv<Abi> x);
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template <class Abi> doublev<Abi> atan(doublev<Abi> x);
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template <class Abi> ldoublev<Abi> atan(ldoublev<Abi> x);
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template <class Abi> floatv<Abi> atan2(floatv<Abi> y, floatv<Abi> x);
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template <class Abi> doublev<Abi> atan2(doublev<Abi> y, doublev<Abi> x);
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template <class Abi> ldoublev<Abi> atan2(ldoublev<Abi> y, ldoublev<Abi> x);
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template <class Abi> floatv<Abi> cos(floatv<Abi> x);
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template <class Abi> doublev<Abi> cos(doublev<Abi> x);
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template <class Abi> ldoublev<Abi> cos(ldoublev<Abi> x);
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template <class Abi> floatv<Abi> sin(floatv<Abi> x);
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template <class Abi> doublev<Abi> sin(doublev<Abi> x);
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template <class Abi> ldoublev<Abi> sin(ldoublev<Abi> x);
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template <class Abi> floatv<Abi> tan(floatv<Abi> x);
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template <class Abi> doublev<Abi> tan(doublev<Abi> x);
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template <class Abi> ldoublev<Abi> tan(ldoublev<Abi> x);
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template <class Abi> floatv<Abi> acosh(floatv<Abi> x);
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template <class Abi> doublev<Abi> acosh(doublev<Abi> x);
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template <class Abi> ldoublev<Abi> acosh(ldoublev<Abi> x);
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template <class Abi> floatv<Abi> asinh(floatv<Abi> x);
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template <class Abi> doublev<Abi> asinh(doublev<Abi> x);
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template <class Abi> ldoublev<Abi> asinh(ldoublev<Abi> x);
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template <class Abi> floatv<Abi> atanh(floatv<Abi> x);
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template <class Abi> doublev<Abi> atanh(doublev<Abi> x);
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template <class Abi> ldoublev<Abi> atanh(ldoublev<Abi> x);
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template <class Abi> floatv<Abi> cosh(floatv<Abi> x);
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template <class Abi> doublev<Abi> cosh(doublev<Abi> x);
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template <class Abi> ldoublev<Abi> cosh(ldoublev<Abi> x);
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template <class Abi> floatv<Abi> sinh(floatv<Abi> x);
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template <class Abi> doublev<Abi> sinh(doublev<Abi> x);
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template <class Abi> ldoublev<Abi> sinh(ldoublev<Abi> x);
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template <class Abi> floatv<Abi> tanh(floatv<Abi> x);
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template <class Abi> doublev<Abi> tanh(doublev<Abi> x);
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template <class Abi> ldoublev<Abi> tanh(ldoublev<Abi> x);
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template <class Abi> floatv<Abi> exp(floatv<Abi> x);
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template <class Abi> doublev<Abi> exp(doublev<Abi> x);
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template <class Abi> ldoublev<Abi> exp(ldoublev<Abi> x);
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template <class Abi> floatv<Abi> exp2(floatv<Abi> x);
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template <class Abi> doublev<Abi> exp2(doublev<Abi> x);
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template <class Abi> ldoublev<Abi> exp2(ldoublev<Abi> x);
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template <class Abi> floatv<Abi> expm1(floatv<Abi> x);
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template <class Abi> doublev<Abi> expm1(doublev<Abi> x);
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template <class Abi> ldoublev<Abi> expm1(ldoublev<Abi> x);
|
|
|
|
template <class Abi> floatv<Abi> frexp(floatv<Abi> value, samesize<int, floatv<Abi>>* exp);
|
|
template <class Abi> doublev<Abi> frexp(doublev<Abi> value, samesize<int, doublev<Abi>>* exp);
|
|
template <class Abi> ldoublev<Abi> frexp(ldoublev<Abi> value, samesize<int, ldoublev<Abi>>* exp);
|
|
|
|
template <class Abi> samesize<int, floatv<Abi>> ilogb(floatv<Abi> x);
|
|
template <class Abi> samesize<int, doublev<Abi>> ilogb(doublev<Abi> x);
|
|
template <class Abi> samesize<int, ldoublev<Abi>> ilogb(ldoublev<Abi> x);
|
|
|
|
template <class Abi> floatv<Abi> ldexp(floatv<Abi> x, samesize<int, floatv<Abi>> exp);
|
|
template <class Abi> doublev<Abi> ldexp(doublev<Abi> x, samesize<int, doublev<Abi>> exp);
|
|
template <class Abi> ldoublev<Abi> ldexp(ldoublev<Abi> x, samesize<int, ldoublev<Abi>> exp);
|
|
|
|
template <class Abi> floatv<Abi> log(floatv<Abi> x);
|
|
template <class Abi> doublev<Abi> log(doublev<Abi> x);
|
|
template <class Abi> ldoublev<Abi> log(ldoublev<Abi> x);
|
|
|
|
template <class Abi> floatv<Abi> log10(floatv<Abi> x);
|
|
template <class Abi> doublev<Abi> log10(doublev<Abi> x);
|
|
template <class Abi> ldoublev<Abi> log10(ldoublev<Abi> x);
|
|
|
|
template <class Abi> floatv<Abi> log1p(floatv<Abi> x);
|
|
template <class Abi> doublev<Abi> log1p(doublev<Abi> x);
|
|
template <class Abi> ldoublev<Abi> log1p(ldoublev<Abi> x);
|
|
|
|
template <class Abi> floatv<Abi> log2(floatv<Abi> x);
|
|
template <class Abi> doublev<Abi> log2(doublev<Abi> x);
|
|
template <class Abi> ldoublev<Abi> log2(ldoublev<Abi> x);
|
|
|
|
template <class Abi> floatv<Abi> logb(floatv<Abi> x);
|
|
template <class Abi> doublev<Abi> logb(doublev<Abi> x);
|
|
template <class Abi> ldoublev<Abi> logb(ldoublev<Abi> x);
|
|
|
|
template <class Abi> floatv<Abi> modf(floatv<Abi> value, floatv<Abi>* iptr);
|
|
template <class Abi> doublev<Abi> modf(doublev<Abi> value, doublev<Abi>* iptr);
|
|
template <class Abi> ldoublev<Abi> modf(ldoublev<Abi> value, ldoublev<Abi>* iptr);
|
|
|
|
template <class Abi> floatv<Abi> scalbn(floatv<Abi> x, samesize<int, floatv<Abi>> n);
|
|
template <class Abi> doublev<Abi> scalbn(doublev<Abi> x, samesize<int, doublev<Abi>> n);
|
|
template <class Abi> ldoublev<Abi> scalbn(ldoublev<Abi> x, samesize<int, ldoublev<Abi>> n);
|
|
template <class Abi> floatv<Abi> scalbln(floatv<Abi> x, samesize<long int, floatv<Abi>> n);
|
|
template <class Abi> doublev<Abi> scalbln(doublev<Abi> x, samesize<long int, doublev<Abi>> n);
|
|
template <class Abi> ldoublev<Abi> scalbln(ldoublev<Abi> x, samesize<long int, ldoublev<Abi>> n);
|
|
|
|
template <class Abi> floatv<Abi> cbrt(floatv<Abi> x);
|
|
template <class Abi> doublev<Abi> cbrt(doublev<Abi> x);
|
|
template <class Abi> ldoublev<Abi> cbrt(ldoublev<Abi> x);
|
|
|
|
template <class Abi> scharv<Abi> abs(scharv<Abi> j);
|
|
template <class Abi> shortv<Abi> abs(shortv<Abi> j);
|
|
template <class Abi> intv<Abi> abs(intv<Abi> j);
|
|
template <class Abi> longv<Abi> abs(longv<Abi> j);
|
|
template <class Abi> llongv<Abi> abs(llongv<Abi> j);
|
|
template <class Abi> floatv<Abi> abs(floatv<Abi> j);
|
|
template <class Abi> doublev<Abi> abs(doublev<Abi> j);
|
|
template <class Abi> ldoublev<Abi> abs(ldoublev<Abi> j);
|
|
|
|
template <class Abi> floatv<Abi> hypot(floatv<Abi> x, floatv<Abi> y);
|
|
template <class Abi> doublev<Abi> hypot(doublev<Abi> x, doublev<Abi> y);
|
|
template <class Abi> ldoublev<Abi> hypot(doublev<Abi> x, doublev<Abi> y);
|
|
template <class Abi> floatv<Abi> hypot(floatv<Abi> x, floatv<Abi> y, floatv<Abi> z);
|
|
template <class Abi> doublev<Abi> hypot(doublev<Abi> x, doublev<Abi> y, doublev<Abi> z);
|
|
template <class Abi> ldoublev<Abi> hypot(ldoublev<Abi> x, ldoublev<Abi> y, ldoublev<Abi> z);
|
|
|
|
template <class Abi> floatv<Abi> pow(floatv<Abi> x, floatv<Abi> y);
|
|
template <class Abi> doublev<Abi> pow(doublev<Abi> x, doublev<Abi> y);
|
|
template <class Abi> ldoublev<Abi> pow(ldoublev<Abi> x, ldoublev<Abi> y);
|
|
|
|
template <class Abi> floatv<Abi> sqrt(floatv<Abi> x);
|
|
template <class Abi> doublev<Abi> sqrt(doublev<Abi> x);
|
|
template <class Abi> ldoublev<Abi> sqrt(ldoublev<Abi> x);
|
|
|
|
template <class Abi> floatv<Abi> erf(floatv<Abi> x);
|
|
template <class Abi> doublev<Abi> erf(doublev<Abi> x);
|
|
template <class Abi> ldoublev<Abi> erf(ldoublev<Abi> x);
|
|
template <class Abi> floatv<Abi> erfc(floatv<Abi> x);
|
|
template <class Abi> doublev<Abi> erfc(doublev<Abi> x);
|
|
template <class Abi> ldoublev<Abi> erfc(ldoublev<Abi> x);
|
|
|
|
template <class Abi> floatv<Abi> lgamma(floatv<Abi> x);
|
|
template <class Abi> doublev<Abi> lgamma(doublev<Abi> x);
|
|
template <class Abi> ldoublev<Abi> lgamma(ldoublev<Abi> x);
|
|
|
|
template <class Abi> floatv<Abi> tgamma(floatv<Abi> x);
|
|
template <class Abi> doublev<Abi> tgamma(doublev<Abi> x);
|
|
template <class Abi> ldoublev<Abi> tgamma(ldoublev<Abi> x);
|
|
|
|
template <class Abi> floatv<Abi> ceil(floatv<Abi> x);
|
|
template <class Abi> doublev<Abi> ceil(doublev<Abi> x);
|
|
template <class Abi> ldoublev<Abi> ceil(ldoublev<Abi> x);
|
|
|
|
template <class Abi> floatv<Abi> floor(floatv<Abi> x);
|
|
template <class Abi> doublev<Abi> floor(doublev<Abi> x);
|
|
template <class Abi> ldoublev<Abi> floor(ldoublev<Abi> x);
|
|
|
|
template <class Abi> floatv<Abi> nearbyint(floatv<Abi> x);
|
|
template <class Abi> doublev<Abi> nearbyint(doublev<Abi> x);
|
|
template <class Abi> ldoublev<Abi> nearbyint(ldoublev<Abi> x);
|
|
|
|
template <class Abi> floatv<Abi> rint(floatv<Abi> x);
|
|
template <class Abi> doublev<Abi> rint(doublev<Abi> x);
|
|
template <class Abi> ldoublev<Abi> rint(ldoublev<Abi> x);
|
|
|
|
template <class Abi> samesize<long int, floatv<Abi>> lrint(floatv<Abi> x);
|
|
template <class Abi> samesize<long int, doublev<Abi>> lrint(doublev<Abi> x);
|
|
template <class Abi> samesize<long int, ldoublev<Abi>> lrint(ldoublev<Abi> x);
|
|
template <class Abi> samesize<long long int, floatv<Abi>> llrint(floatv<Abi> x);
|
|
template <class Abi> samesize<long long int, doublev<Abi>> llrint(doublev<Abi> x);
|
|
template <class Abi> samesize<long long int, ldoublev<Abi>> llrint(ldoublev<Abi> x);
|
|
|
|
template <class Abi> floatv<Abi> round(floatv<Abi> x);
|
|
template <class Abi> doublev<Abi> round(doublev<Abi> x);
|
|
template <class Abi> ldoublev<Abi> round(ldoublev<Abi> x);
|
|
template <class Abi> samesize<long int, floatv<Abi>> lround(floatv<Abi> x);
|
|
template <class Abi> samesize<long int, doublev<Abi>> lround(doublev<Abi> x);
|
|
template <class Abi> samesize<long int, ldoublev<Abi>> lround(ldoublev<Abi> x);
|
|
template <class Abi> samesize<long long int, floatv<Abi>> llround(floatv<Abi> x);
|
|
template <class Abi> samesize<long long int, doublev<Abi>> llround(doublev<Abi> x);
|
|
template <class Abi> samesize<long long int, ldoublev<Abi>> llround(ldoublev<Abi> x);
|
|
|
|
template <class Abi> floatv<Abi> trunc(floatv<Abi> x);
|
|
template <class Abi> doublev<Abi> trunc(doublev<Abi> x);
|
|
template <class Abi> ldoublev<Abi> trunc(ldoublev<Abi> x);
|
|
|
|
template <class Abi> floatv<Abi> fmod(floatv<Abi> x, floatv<Abi> y);
|
|
template <class Abi> doublev<Abi> fmod(doublev<Abi> x, doublev<Abi> y);
|
|
template <class Abi> ldoublev<Abi> fmod(ldoublev<Abi> x, ldoublev<Abi> y);
|
|
|
|
template <class Abi> floatv<Abi> remainder(floatv<Abi> x, floatv<Abi> y);
|
|
template <class Abi> doublev<Abi> remainder(doublev<Abi> x, doublev<Abi> y);
|
|
template <class Abi> ldoublev<Abi> remainder(ldoublev<Abi> x, ldoublev<Abi> y);
|
|
|
|
template <class Abi> floatv<Abi> remquo(floatv<Abi> x, floatv<Abi> y, samesize<int, floatv<Abi>>* quo);
|
|
template <class Abi> doublev<Abi> remquo(doublev<Abi> x, doublev<Abi> y, samesize<int, doublev<Abi>>* quo);
|
|
template <class Abi> ldoublev<Abi> remquo(ldoublev<Abi> x, ldoublev<Abi> y, samesize<int, ldoublev<Abi>>* quo);
|
|
|
|
template <class Abi> floatv<Abi> copysign(floatv<Abi> x, floatv<Abi> y);
|
|
template <class Abi> doublev<Abi> copysign(doublev<Abi> x, doublev<Abi> y);
|
|
template <class Abi> ldoublev<Abi> copysign(ldoublev<Abi> x, ldoublev<Abi> y);
|
|
|
|
template <class Abi> doublev<Abi> nan(const char* tagp);
|
|
template <class Abi> floatv<Abi> nanf(const char* tagp);
|
|
template <class Abi> ldoublev<Abi> nanl(const char* tagp);
|
|
|
|
template <class Abi> floatv<Abi> nextafter(floatv<Abi> x, floatv<Abi> y);
|
|
template <class Abi> doublev<Abi> nextafter(doublev<Abi> x, doublev<Abi> y);
|
|
template <class Abi> ldoublev<Abi> nextafter(ldoublev<Abi> x, ldoublev<Abi> y);
|
|
|
|
template <class Abi> floatv<Abi> nexttoward(floatv<Abi> x, ldoublev<Abi> y);
|
|
template <class Abi> doublev<Abi> nexttoward(doublev<Abi> x, ldoublev<Abi> y);
|
|
template <class Abi> ldoublev<Abi> nexttoward(ldoublev<Abi> x, ldoublev<Abi> y);
|
|
|
|
template <class Abi> floatv<Abi> fdim(floatv<Abi> x, floatv<Abi> y);
|
|
template <class Abi> doublev<Abi> fdim(doublev<Abi> x, doublev<Abi> y);
|
|
template <class Abi> ldoublev<Abi> fdim(ldoublev<Abi> x, ldoublev<Abi> y);
|
|
|
|
template <class Abi> floatv<Abi> fmax(floatv<Abi> x, floatv<Abi> y);
|
|
template <class Abi> doublev<Abi> fmax(doublev<Abi> x, doublev<Abi> y);
|
|
template <class Abi> ldoublev<Abi> fmax(ldoublev<Abi> x, ldoublev<Abi> y);
|
|
|
|
template <class Abi> floatv<Abi> fmin(floatv<Abi> x, floatv<Abi> y);
|
|
template <class Abi> doublev<Abi> fmin(doublev<Abi> x, doublev<Abi> y);
|
|
template <class Abi> ldoublev<Abi> fmin(ldoublev<Abi> x, ldoublev<Abi> y);
|
|
|
|
template <class Abi> floatv<Abi> fma(floatv<Abi> x, floatv<Abi> y, floatv<Abi> z);
|
|
template <class Abi> doublev<Abi> fma(doublev<Abi> x, doublev<Abi> y, doublev<Abi> z);
|
|
template <class Abi> ldoublev<Abi> fma(ldoublev<Abi> x, ldoublev<Abi> y, ldoublev<Abi> z);
|
|
|
|
template <class Abi> samesize<int, floatv<Abi>> fpclassify(floatv<Abi> x);
|
|
template <class Abi> samesize<int, doublev<Abi>> fpclassify(doublev<Abi> x);
|
|
template <class Abi> samesize<int, ldoublev<Abi>> fpclassify(ldoublev<Abi> x);
|
|
|
|
template <class Abi> simd_mask<float, Abi> isfinite(floatv<Abi> x);
|
|
template <class Abi> simd_mask<double, Abi> isfinite(doublev<Abi> x);
|
|
template <class Abi> simd_mask<long double, Abi> isfinite(ldoublev<Abi> x);
|
|
|
|
template <class Abi> simd_mask<float, Abi> isinf(floatv<Abi> x);
|
|
template <class Abi> simd_mask<double, Abi> isinf(doublev<Abi> x);
|
|
template <class Abi> simd_mask<long double, Abi> isinf(ldoublev<Abi> x);
|
|
|
|
template <class Abi> simd_mask<float, Abi> isnan(floatv<Abi> x);
|
|
template <class Abi> simd_mask<double, Abi> isnan(doublev<Abi> x);
|
|
template <class Abi> simd_mask<long double, Abi> isnan(ldoublev<Abi> x);
|
|
|
|
template <class Abi> simd_mask<float, Abi> isnormal(floatv<Abi> x);
|
|
template <class Abi> simd_mask<double, Abi> isnormal(doublev<Abi> x);
|
|
template <class Abi> simd_mask<long double, Abi> isnormal(ldoublev<Abi> x);
|
|
|
|
template <class Abi> simd_mask<float, Abi> signbit(floatv<Abi> x);
|
|
template <class Abi> simd_mask<double, Abi> signbit(doublev<Abi> x);
|
|
template <class Abi> simd_mask<long double, Abi> signbit(ldoublev<Abi> x);
|
|
|
|
template <class Abi> simd_mask<float, Abi> isgreater(floatv<Abi> x, floatv<Abi> y);
|
|
template <class Abi> simd_mask<double, Abi> isgreater(doublev<Abi> x, doublev<Abi> y);
|
|
template <class Abi> simd_mask<long double, Abi> isgreater(ldoublev<Abi> x, ldoublev<Abi> y);
|
|
|
|
template <class Abi> simd_mask<float, Abi> isgreaterequal(floatv<Abi> x, floatv<Abi> y);
|
|
template <class Abi> simd_mask<double, Abi> isgreaterequal(doublev<Abi> x, doublev<Abi> y);
|
|
template <class Abi> simd_mask<long double, Abi> isgreaterequal(ldoublev<Abi> x, ldoublev<Abi> y);
|
|
|
|
template <class Abi> simd_mask<float, Abi> isless(floatv<Abi> x, floatv<Abi> y);
|
|
template <class Abi> simd_mask<double, Abi> isless(doublev<Abi> x, doublev<Abi> y);
|
|
template <class Abi> simd_mask<long double, Abi> isless(ldoublev<Abi> x, ldoublev<Abi> y);
|
|
|
|
template <class Abi> simd_mask<float, Abi> islessequal(floatv<Abi> x, floatv<Abi> y);
|
|
template <class Abi> simd_mask<double, Abi> islessequal(doublev<Abi> x, doublev<Abi> y);
|
|
template <class Abi> simd_mask<long double, Abi> islessequal(ldoublev<Abi> x, ldoublev<Abi> y);
|
|
|
|
template <class Abi> simd_mask<float, Abi> islessgreater(floatv<Abi> x, floatv<Abi> y);
|
|
template <class Abi> simd_mask<double, Abi> islessgreater(doublev<Abi> x, doublev<Abi> y);
|
|
template <class Abi> simd_mask<long double, Abi> islessgreater(ldoublev<Abi> x, ldoublev<Abi> y);
|
|
|
|
template <class Abi> simd_mask<float, Abi> isunordered(floatv<Abi> x, floatv<Abi> y);
|
|
template <class Abi> simd_mask<double, Abi> isunordered(doublev<Abi> x, doublev<Abi> y);
|
|
template <class Abi> simd_mask<long double, Abi> isunordered(ldoublev<Abi> x, ldoublev<Abi> y);
|
|
|
|
template <class V> struct simd_div_t { V quot, rem; };
|
|
template <class Abi> simd_div_t<scharv<Abi>> div(scharv<Abi> numer, scharv<Abi> denom);
|
|
template <class Abi> simd_div_t<shortv<Abi>> div(shortv<Abi> numer, shortv<Abi> denom);
|
|
template <class Abi> simd_div_t<intv<Abi>> div(intv<Abi> numer, intv<Abi> denom);
|
|
template <class Abi> simd_div_t<longv<Abi>> div(longv<Abi> numer, longv<Abi> denom);
|
|
template <class Abi> simd_div_t<llongv<Abi>> div(llongv<Abi> numer, llongv<Abi> denom);
|
|
|
|
// [simd.mask.class]
|
|
template <class T, class Abi>
|
|
class simd_mask {
|
|
public:
|
|
using value_type = bool;
|
|
using reference = see below;
|
|
using simd_type = simd<T, Abi>;
|
|
using abi_type = Abi;
|
|
static constexpr size_t size() noexcept;
|
|
simd_mask() = default;
|
|
|
|
// broadcast constructor
|
|
explicit simd_mask(value_type) noexcept;
|
|
|
|
// implicit type conversion constructor
|
|
template <class U> simd_mask(const simd_mask<U, simd_abi::fixed_size<size()>>&) noexcept;
|
|
|
|
// load constructor
|
|
template <class Flags> simd_mask(const value_type* mem, Flags);
|
|
|
|
// loads [simd.mask.copy]
|
|
template <class Flags> void copy_from(const value_type* mem, Flags);
|
|
template <class Flags> void copy_to(value_type* mem, Flags) const;
|
|
|
|
// scalar access [simd.mask.subscr]
|
|
reference operator[](size_t);
|
|
value_type operator[](size_t) const;
|
|
|
|
// unary operators [simd.mask.unary]
|
|
simd_mask operator!() const noexcept;
|
|
|
|
// simd_mask binary operators [simd.mask.binary]
|
|
friend simd_mask operator&&(const simd_mask&, const simd_mask&) noexcept;
|
|
friend simd_mask operator||(const simd_mask&, const simd_mask&) noexcept;
|
|
friend simd_mask operator& (const simd_mask&, const simd_mask&) noexcept;
|
|
friend simd_mask operator| (const simd_mask&, const simd_mask&) noexcept;
|
|
friend simd_mask operator^ (const simd_mask&, const simd_mask&) noexcept;
|
|
|
|
// simd_mask compound assignment [simd.mask.cassign]
|
|
friend simd_mask& operator&=(simd_mask&, const simd_mask&) noexcept;
|
|
friend simd_mask& operator|=(simd_mask&, const simd_mask&) noexcept;
|
|
friend simd_mask& operator^=(simd_mask&, const simd_mask&) noexcept;
|
|
|
|
// simd_mask compares [simd.mask.comparison]
|
|
friend simd_mask operator==(const simd_mask&, const simd_mask&) noexcept;
|
|
friend simd_mask operator!=(const simd_mask&, const simd_mask&) noexcept;
|
|
};
|
|
|
|
} // parallelism_v2
|
|
} // std::experimental
|
|
|
|
*/
|
|
|
|
#include <experimental/__config>
|
|
#include <algorithm>
|
|
#include <array>
|
|
#include <cstddef>
|
|
#include <functional>
|
|
|
|
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
|
|
#pragma GCC system_header
|
|
#endif
|
|
|
|
_LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL_SIMD
|
|
|
|
#if _LIBCPP_STD_VER >= 17
|
|
|
|
enum class _StorageKind {
|
|
_Scalar,
|
|
_Array,
|
|
_VecExt,
|
|
};
|
|
|
|
template <_StorageKind __kind, int _Np>
|
|
struct __simd_abi {};
|
|
|
|
template <class _Tp, class _Abi>
|
|
class __simd_storage {};
|
|
|
|
template <class _Tp, int __num_element>
|
|
class __simd_storage<_Tp, __simd_abi<_StorageKind::_Array, __num_element>> {
|
|
std::array<_Tp, __num_element> __storage_;
|
|
|
|
template <class, class>
|
|
friend struct simd;
|
|
|
|
template <class, class>
|
|
friend struct simd_mask;
|
|
|
|
public:
|
|
_Tp __get(size_t __index) const noexcept { return __storage_[__index]; };
|
|
void __set(size_t __index, _Tp __val) noexcept {
|
|
__storage_[__index] = __val;
|
|
}
|
|
};
|
|
|
|
template <class _Tp>
|
|
class __simd_storage<_Tp, __simd_abi<_StorageKind::_Scalar, 1>> {
|
|
_Tp __storage_;
|
|
|
|
template <class, class>
|
|
friend struct simd;
|
|
|
|
template <class, class>
|
|
friend struct simd_mask;
|
|
|
|
public:
|
|
_Tp __get(size_t __index) const noexcept { return (&__storage_)[__index]; };
|
|
void __set(size_t __index, _Tp __val) noexcept {
|
|
(&__storage_)[__index] = __val;
|
|
}
|
|
};
|
|
|
|
#ifndef _LIBCPP_HAS_NO_VECTOR_EXTENSION
|
|
|
|
constexpr size_t __floor_pow_of_2(size_t __val) {
|
|
return ((__val - 1) & __val) == 0 ? __val
|
|
: __floor_pow_of_2((__val - 1) & __val);
|
|
}
|
|
|
|
constexpr size_t __ceil_pow_of_2(size_t __val) {
|
|
return __val == 1 ? 1 : __floor_pow_of_2(__val - 1) << 1;
|
|
}
|
|
|
|
template <class _Tp, size_t __bytes>
|
|
struct __vec_ext_traits {
|
|
#if !defined(_LIBCPP_COMPILER_CLANG)
|
|
typedef _Tp type __attribute__((vector_size(__ceil_pow_of_2(__bytes))));
|
|
#endif
|
|
};
|
|
|
|
#if defined(_LIBCPP_COMPILER_CLANG)
|
|
#define _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, _NUM_ELEMENT) \
|
|
template <> \
|
|
struct __vec_ext_traits<_TYPE, sizeof(_TYPE) * _NUM_ELEMENT> { \
|
|
using type = \
|
|
_TYPE __attribute__((vector_size(sizeof(_TYPE) * _NUM_ELEMENT))); \
|
|
}
|
|
|
|
#define _LIBCPP_SPECIALIZE_VEC_EXT_32(_TYPE) \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 1); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 2); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 3); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 4); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 5); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 6); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 7); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 8); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 9); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 10); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 11); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 12); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 13); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 14); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 15); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 16); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 17); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 18); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 19); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 20); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 21); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 22); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 23); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 24); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 25); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 26); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 27); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 28); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 29); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 30); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 31); \
|
|
_LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 32);
|
|
|
|
_LIBCPP_SPECIALIZE_VEC_EXT_32(char);
|
|
_LIBCPP_SPECIALIZE_VEC_EXT_32(char16_t);
|
|
_LIBCPP_SPECIALIZE_VEC_EXT_32(char32_t);
|
|
_LIBCPP_SPECIALIZE_VEC_EXT_32(wchar_t);
|
|
_LIBCPP_SPECIALIZE_VEC_EXT_32(signed char);
|
|
_LIBCPP_SPECIALIZE_VEC_EXT_32(signed short);
|
|
_LIBCPP_SPECIALIZE_VEC_EXT_32(signed int);
|
|
_LIBCPP_SPECIALIZE_VEC_EXT_32(signed long);
|
|
_LIBCPP_SPECIALIZE_VEC_EXT_32(signed long long);
|
|
_LIBCPP_SPECIALIZE_VEC_EXT_32(unsigned char);
|
|
_LIBCPP_SPECIALIZE_VEC_EXT_32(unsigned short);
|
|
_LIBCPP_SPECIALIZE_VEC_EXT_32(unsigned int);
|
|
_LIBCPP_SPECIALIZE_VEC_EXT_32(unsigned long);
|
|
_LIBCPP_SPECIALIZE_VEC_EXT_32(unsigned long long);
|
|
_LIBCPP_SPECIALIZE_VEC_EXT_32(float);
|
|
_LIBCPP_SPECIALIZE_VEC_EXT_32(double);
|
|
_LIBCPP_SPECIALIZE_VEC_EXT_32(long double);
|
|
|
|
#undef _LIBCPP_SPECIALIZE_VEC_EXT_32
|
|
#undef _LIBCPP_SPECIALIZE_VEC_EXT
|
|
#endif
|
|
|
|
template <class _Tp, int __num_element>
|
|
class __simd_storage<_Tp, __simd_abi<_StorageKind::_VecExt, __num_element>> {
|
|
using _StorageType =
|
|
typename __vec_ext_traits<_Tp, sizeof(_Tp) * __num_element>::type;
|
|
|
|
_StorageType __storage_;
|
|
|
|
template <class, class>
|
|
friend struct simd;
|
|
|
|
template <class, class>
|
|
friend struct simd_mask;
|
|
|
|
public:
|
|
_Tp __get(size_t __index) const noexcept { return __storage_[__index]; };
|
|
void __set(size_t __index, _Tp __val) noexcept {
|
|
__storage_[__index] = __val;
|
|
}
|
|
};
|
|
|
|
#endif // _LIBCPP_HAS_NO_VECTOR_EXTENSION
|
|
|
|
template <class _Vp, class _Tp, class _Abi>
|
|
class __simd_reference {
|
|
static_assert(std::is_same<_Vp, _Tp>::value, "");
|
|
|
|
template <class, class>
|
|
friend struct simd;
|
|
|
|
template <class, class>
|
|
friend struct simd_mask;
|
|
|
|
__simd_storage<_Tp, _Abi>* __ptr_;
|
|
size_t __index_;
|
|
|
|
__simd_reference(__simd_storage<_Tp, _Abi>* __ptr, size_t __index)
|
|
: __ptr_(__ptr), __index_(__index) {}
|
|
|
|
__simd_reference(const __simd_reference&) = default;
|
|
|
|
public:
|
|
__simd_reference() = delete;
|
|
__simd_reference& operator=(const __simd_reference&) = delete;
|
|
|
|
operator _Vp() const { return __ptr_->__get(__index_); }
|
|
|
|
__simd_reference operator=(_Vp __value) && {
|
|
__ptr_->__set(__index_, __value);
|
|
return *this;
|
|
}
|
|
|
|
__simd_reference operator++() && {
|
|
return std::move(*this) = __ptr_->__get(__index_) + 1;
|
|
}
|
|
|
|
_Vp operator++(int) && {
|
|
auto __val = __ptr_->__get(__index_);
|
|
__ptr_->__set(__index_, __val + 1);
|
|
return __val;
|
|
}
|
|
|
|
__simd_reference operator--() && {
|
|
return std::move(*this) = __ptr_->__get(__index_) - 1;
|
|
}
|
|
|
|
_Vp operator--(int) && {
|
|
auto __val = __ptr_->__get(__index_);
|
|
__ptr_->__set(__index_, __val - 1);
|
|
return __val;
|
|
}
|
|
|
|
__simd_reference operator+=(_Vp __value) && {
|
|
return std::move(*this) = __ptr_->__get(__index_) + __value;
|
|
}
|
|
|
|
__simd_reference operator-=(_Vp __value) && {
|
|
return std::move(*this) = __ptr_->__get(__index_) - __value;
|
|
}
|
|
|
|
__simd_reference operator*=(_Vp __value) && {
|
|
return std::move(*this) = __ptr_->__get(__index_) * __value;
|
|
}
|
|
|
|
__simd_reference operator/=(_Vp __value) && {
|
|
return std::move(*this) = __ptr_->__get(__index_) / __value;
|
|
}
|
|
|
|
__simd_reference operator%=(_Vp __value) && {
|
|
return std::move(*this) = __ptr_->__get(__index_) % __value;
|
|
}
|
|
|
|
__simd_reference operator>>=(_Vp __value) && {
|
|
return std::move(*this) = __ptr_->__get(__index_) >> __value;
|
|
}
|
|
|
|
__simd_reference operator<<=(_Vp __value) && {
|
|
return std::move(*this) = __ptr_->__get(__index_) << __value;
|
|
}
|
|
|
|
__simd_reference operator&=(_Vp __value) && {
|
|
return std::move(*this) = __ptr_->__get(__index_) & __value;
|
|
}
|
|
|
|
__simd_reference operator|=(_Vp __value) && {
|
|
return std::move(*this) = __ptr_->__get(__index_) | __value;
|
|
}
|
|
|
|
__simd_reference operator^=(_Vp __value) && {
|
|
return std::move(*this) = __ptr_->__get(__index_) ^ __value;
|
|
}
|
|
};
|
|
|
|
template <class _To, class _From>
|
|
constexpr decltype(_To{std::declval<_From>()}, true)
|
|
__is_non_narrowing_convertible_impl(_From) {
|
|
return true;
|
|
}
|
|
|
|
template <class _To>
|
|
constexpr bool __is_non_narrowing_convertible_impl(...) {
|
|
return false;
|
|
}
|
|
|
|
template <class _From, class _To>
|
|
constexpr typename std::enable_if<std::is_arithmetic<_To>::value &&
|
|
std::is_arithmetic<_From>::value,
|
|
bool>::type
|
|
__is_non_narrowing_arithmetic_convertible() {
|
|
return __is_non_narrowing_convertible_impl<_To>(_From{});
|
|
}
|
|
|
|
template <class _From, class _To>
|
|
constexpr typename std::enable_if<!(std::is_arithmetic<_To>::value &&
|
|
std::is_arithmetic<_From>::value),
|
|
bool>::type
|
|
__is_non_narrowing_arithmetic_convertible() {
|
|
return false;
|
|
}
|
|
|
|
template <class _Tp>
|
|
constexpr _Tp __variadic_sum() {
|
|
return _Tp{};
|
|
}
|
|
|
|
template <class _Tp, class _Up, class... _Args>
|
|
constexpr _Tp __variadic_sum(_Up __first, _Args... __rest) {
|
|
return static_cast<_Tp>(__first) + __variadic_sum<_Tp>(__rest...);
|
|
}
|
|
|
|
template <class _Tp>
|
|
struct __nodeduce {
|
|
using type = _Tp;
|
|
};
|
|
|
|
template <class _Tp>
|
|
constexpr bool __vectorizable() {
|
|
return std::is_arithmetic<_Tp>::value && !std::is_const<_Tp>::value &&
|
|
!std::is_volatile<_Tp>::value && !std::is_same<_Tp, bool>::value;
|
|
}
|
|
|
|
_LIBCPP_END_NAMESPACE_EXPERIMENTAL_SIMD
|
|
_LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL_SIMD_ABI
|
|
|
|
using scalar = __simd_abi<_StorageKind::_Scalar, 1>;
|
|
|
|
template <int _Np>
|
|
using fixed_size = __simd_abi<_StorageKind::_Array, _Np>;
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_INLINE_VAR constexpr size_t max_fixed_size = 32;
|
|
|
|
template <class _Tp>
|
|
using compatible = fixed_size<16 / sizeof(_Tp)>;
|
|
|
|
#ifndef _LIBCPP_HAS_NO_VECTOR_EXTENSION
|
|
template <class _Tp>
|
|
using native = __simd_abi<_StorageKind::_VecExt,
|
|
_LIBCPP_NATIVE_SIMD_WIDTH_IN_BYTES / sizeof(_Tp)>;
|
|
#else
|
|
template <class _Tp>
|
|
using native =
|
|
fixed_size<_Tp, _LIBCPP_NATIVE_SIMD_WIDTH_IN_BYTES / sizeof(_Tp)>;
|
|
#endif // _LIBCPP_HAS_NO_VECTOR_EXTENSION
|
|
|
|
_LIBCPP_END_NAMESPACE_EXPERIMENTAL_SIMD_ABI
|
|
_LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL_SIMD
|
|
|
|
template <class _Tp, class _Abi = simd_abi::compatible<_Tp>>
|
|
class simd;
|
|
template <class _Tp, class _Abi = simd_abi::compatible<_Tp>>
|
|
class simd_mask;
|
|
|
|
struct element_aligned_tag {};
|
|
struct vector_aligned_tag {};
|
|
template <size_t>
|
|
struct overaligned_tag {};
|
|
_LIBCPP_INLINE_VAR constexpr element_aligned_tag element_aligned{};
|
|
_LIBCPP_INLINE_VAR constexpr vector_aligned_tag vector_aligned{};
|
|
template <size_t _Np>
|
|
_LIBCPP_INLINE_VAR constexpr overaligned_tag<_Np> overaligned{};
|
|
|
|
// traits [simd.traits]
|
|
template <class _Tp>
|
|
struct is_abi_tag : std::integral_constant<bool, false> {};
|
|
|
|
template <_StorageKind __kind, int _Np>
|
|
struct is_abi_tag<__simd_abi<__kind, _Np>>
|
|
: std::integral_constant<bool, true> {};
|
|
|
|
template <class _Tp>
|
|
struct is_simd : std::integral_constant<bool, false> {};
|
|
|
|
template <class _Tp, class _Abi>
|
|
struct is_simd<simd<_Tp, _Abi>> : std::integral_constant<bool, true> {};
|
|
|
|
template <class _Tp>
|
|
struct is_simd_mask : std::integral_constant<bool, false> {};
|
|
|
|
template <class _Tp, class _Abi>
|
|
struct is_simd_mask<simd_mask<_Tp, _Abi>> : std::integral_constant<bool, true> {
|
|
};
|
|
|
|
template <class _Tp>
|
|
struct is_simd_flag_type : std::integral_constant<bool, false> {};
|
|
|
|
template <>
|
|
struct is_simd_flag_type<element_aligned_tag>
|
|
: std::integral_constant<bool, true> {};
|
|
|
|
template <>
|
|
struct is_simd_flag_type<vector_aligned_tag>
|
|
: std::integral_constant<bool, true> {};
|
|
|
|
template <size_t _Align>
|
|
struct is_simd_flag_type<overaligned_tag<_Align>>
|
|
: std::integral_constant<bool, true> {};
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_INLINE_VAR constexpr bool is_abi_tag_v = is_abi_tag<_Tp>::value;
|
|
template <class _Tp>
|
|
_LIBCPP_INLINE_VAR constexpr bool is_simd_v = is_simd<_Tp>::value;
|
|
template <class _Tp>
|
|
_LIBCPP_INLINE_VAR constexpr bool is_simd_mask_v = is_simd_mask<_Tp>::value;
|
|
template <class _Tp>
|
|
_LIBCPP_INLINE_VAR constexpr bool is_simd_flag_type_v =
|
|
is_simd_flag_type<_Tp>::value;
|
|
template <class _Tp, size_t _Np>
|
|
struct abi_for_size {
|
|
using type = simd_abi::fixed_size<_Np>;
|
|
};
|
|
template <class _Tp, size_t _Np>
|
|
using abi_for_size_t = typename abi_for_size<_Tp, _Np>::type;
|
|
|
|
template <class _Tp, class _Abi = simd_abi::compatible<_Tp>>
|
|
struct simd_size;
|
|
|
|
template <class _Tp, _StorageKind __kind, int _Np>
|
|
struct simd_size<_Tp, __simd_abi<__kind, _Np>>
|
|
: std::integral_constant<size_t, _Np> {
|
|
static_assert(
|
|
std::is_arithmetic<_Tp>::value &&
|
|
!std::is_same<typename std::remove_const<_Tp>::type, bool>::value,
|
|
"Element type should be vectorizable");
|
|
};
|
|
|
|
// TODO: implement it.
|
|
template <class _Tp, class _Up = typename _Tp::value_type>
|
|
struct memory_alignment;
|
|
|
|
template <class _Tp, class _Abi = simd_abi::compatible<_Tp>>
|
|
_LIBCPP_INLINE_VAR constexpr size_t simd_size_v = simd_size<_Tp, _Abi>::value;
|
|
|
|
template <class _Tp, class _Up = typename _Tp::value_type>
|
|
_LIBCPP_INLINE_VAR constexpr size_t memory_alignment_v =
|
|
memory_alignment<_Tp, _Up>::value;
|
|
|
|
// class template simd [simd.class]
|
|
template <class _Tp>
|
|
using native_simd = simd<_Tp, simd_abi::native<_Tp>>;
|
|
template <class _Tp, int _Np>
|
|
using fixed_size_simd = simd<_Tp, simd_abi::fixed_size<_Np>>;
|
|
|
|
// class template simd_mask [simd.mask.class]
|
|
template <class _Tp>
|
|
using native_simd_mask = simd_mask<_Tp, simd_abi::native<_Tp>>;
|
|
|
|
template <class _Tp, int _Np>
|
|
using fixed_size_simd_mask = simd_mask<_Tp, simd_abi::fixed_size<_Np>>;
|
|
|
|
// casts [simd.casts]
|
|
template <class _Tp>
|
|
struct __static_simd_cast_traits {
|
|
template <class _Up, class _Abi>
|
|
static simd<_Tp, _Abi> __apply(const simd<_Up, _Abi>& __v);
|
|
};
|
|
|
|
template <class _Tp, class _NewAbi>
|
|
struct __static_simd_cast_traits<simd<_Tp, _NewAbi>> {
|
|
template <class _Up, class _Abi>
|
|
static typename std::enable_if<simd<_Up, _Abi>::size() ==
|
|
simd<_Tp, _NewAbi>::size(),
|
|
simd<_Tp, _NewAbi>>::type
|
|
__apply(const simd<_Up, _Abi>& __v);
|
|
};
|
|
|
|
template <class _Tp>
|
|
struct __simd_cast_traits {
|
|
template <class _Up, class _Abi>
|
|
static typename std::enable_if<
|
|
__is_non_narrowing_arithmetic_convertible<_Up, _Tp>(),
|
|
simd<_Tp, _Abi>>::type
|
|
__apply(const simd<_Up, _Abi>& __v);
|
|
};
|
|
|
|
template <class _Tp, class _NewAbi>
|
|
struct __simd_cast_traits<simd<_Tp, _NewAbi>> {
|
|
template <class _Up, class _Abi>
|
|
static typename std::enable_if<
|
|
__is_non_narrowing_arithmetic_convertible<_Up, _Tp>() &&
|
|
simd<_Up, _Abi>::size() == simd<_Tp, _NewAbi>::size(),
|
|
simd<_Tp, _NewAbi>>::type
|
|
__apply(const simd<_Up, _Abi>& __v);
|
|
};
|
|
|
|
template <class _Tp, class _Up, class _Abi>
|
|
auto simd_cast(const simd<_Up, _Abi>& __v)
|
|
-> decltype(__simd_cast_traits<_Tp>::__apply(__v)) {
|
|
return __simd_cast_traits<_Tp>::__apply(__v);
|
|
}
|
|
|
|
template <class _Tp, class _Up, class _Abi>
|
|
auto static_simd_cast(const simd<_Up, _Abi>& __v)
|
|
-> decltype(__static_simd_cast_traits<_Tp>::__apply(__v)) {
|
|
return __static_simd_cast_traits<_Tp>::__apply(__v);
|
|
}
|
|
|
|
template <class _Tp, class _Abi>
|
|
fixed_size_simd<_Tp, simd_size<_Tp, _Abi>::value>
|
|
to_fixed_size(const simd<_Tp, _Abi>&) noexcept;
|
|
|
|
template <class _Tp, class _Abi>
|
|
fixed_size_simd_mask<_Tp, simd_size<_Tp, _Abi>::value>
|
|
to_fixed_size(const simd_mask<_Tp, _Abi>&) noexcept;
|
|
|
|
template <class _Tp, size_t _Np>
|
|
native_simd<_Tp> to_native(const fixed_size_simd<_Tp, _Np>&) noexcept;
|
|
|
|
template <class _Tp, size_t _Np>
|
|
native_simd_mask<_Tp> to_native(const fixed_size_simd_mask<_Tp, _Np>&) noexcept;
|
|
|
|
template <class _Tp, size_t _Np>
|
|
simd<_Tp> to_compatible(const fixed_size_simd<_Tp, _Np>&) noexcept;
|
|
|
|
template <class _Tp, size_t _Np>
|
|
simd_mask<_Tp> to_compatible(const fixed_size_simd_mask<_Tp, _Np>&) noexcept;
|
|
|
|
template <size_t... __sizes, class _Tp, class _Abi>
|
|
tuple<simd<_Tp, abi_for_size_t<_Tp, __sizes>>...> split(const simd<_Tp, _Abi>&);
|
|
|
|
template <size_t... __sizes, class _Tp, class _Abi>
|
|
tuple<simd_mask<_Tp, abi_for_size_t<_Tp, __sizes>>...>
|
|
split(const simd_mask<_Tp, _Abi>&);
|
|
|
|
template <class _SimdType, class _Abi>
|
|
array<_SimdType, simd_size<typename _SimdType::value_type, _Abi>::value /
|
|
_SimdType::size()>
|
|
split(const simd<typename _SimdType::value_type, _Abi>&);
|
|
|
|
template <class _SimdType, class _Abi>
|
|
array<_SimdType, simd_size<typename _SimdType::value_type, _Abi>::value /
|
|
_SimdType::size()>
|
|
split(const simd_mask<typename _SimdType::value_type, _Abi>&);
|
|
|
|
template <class _Tp, class... _Abis>
|
|
simd<_Tp, abi_for_size_t<_Tp, __variadic_sum(simd_size<_Tp, _Abis>::value...)>>
|
|
concat(const simd<_Tp, _Abis>&...);
|
|
|
|
template <class _Tp, class... _Abis>
|
|
simd_mask<_Tp,
|
|
abi_for_size_t<_Tp, __variadic_sum(simd_size<_Tp, _Abis>::value...)>>
|
|
concat(const simd_mask<_Tp, _Abis>&...);
|
|
|
|
// reductions [simd.mask.reductions]
|
|
template <class _Tp, class _Abi>
|
|
bool all_of(const simd_mask<_Tp, _Abi>&) noexcept;
|
|
template <class _Tp, class _Abi>
|
|
bool any_of(const simd_mask<_Tp, _Abi>&) noexcept;
|
|
template <class _Tp, class _Abi>
|
|
bool none_of(const simd_mask<_Tp, _Abi>&) noexcept;
|
|
template <class _Tp, class _Abi>
|
|
bool some_of(const simd_mask<_Tp, _Abi>&) noexcept;
|
|
template <class _Tp, class _Abi>
|
|
int popcount(const simd_mask<_Tp, _Abi>&) noexcept;
|
|
template <class _Tp, class _Abi>
|
|
int find_first_set(const simd_mask<_Tp, _Abi>&);
|
|
template <class _Tp, class _Abi>
|
|
int find_last_set(const simd_mask<_Tp, _Abi>&);
|
|
bool all_of(bool) noexcept;
|
|
bool any_of(bool) noexcept;
|
|
bool none_of(bool) noexcept;
|
|
bool some_of(bool) noexcept;
|
|
int popcount(bool) noexcept;
|
|
int find_first_set(bool) noexcept;
|
|
int find_last_set(bool) noexcept;
|
|
|
|
// masked assignment [simd.whereexpr]
|
|
template <class _MaskType, class _Tp>
|
|
class const_where_expression;
|
|
template <class _MaskType, class _Tp>
|
|
class where_expression;
|
|
|
|
// masked assignment [simd.mask.where]
|
|
template <class _Tp, class _Abi>
|
|
where_expression<simd_mask<_Tp, _Abi>, simd<_Tp, _Abi>>
|
|
where(const typename simd<_Tp, _Abi>::mask_type&, simd<_Tp, _Abi>&) noexcept;
|
|
|
|
template <class _Tp, class _Abi>
|
|
const_where_expression<simd_mask<_Tp, _Abi>, const simd<_Tp, _Abi>>
|
|
where(const typename simd<_Tp, _Abi>::mask_type&,
|
|
const simd<_Tp, _Abi>&) noexcept;
|
|
|
|
template <class _Tp, class _Abi>
|
|
where_expression<simd_mask<_Tp, _Abi>, simd_mask<_Tp, _Abi>>
|
|
where(const typename __nodeduce<simd_mask<_Tp, _Abi>>::type&,
|
|
simd_mask<_Tp, _Abi>&) noexcept;
|
|
|
|
template <class _Tp, class _Abi>
|
|
const_where_expression<simd_mask<_Tp, _Abi>, const simd_mask<_Tp, _Abi>>
|
|
where(const typename __nodeduce<simd_mask<_Tp, _Abi>>::type&,
|
|
const simd_mask<_Tp, _Abi>&) noexcept;
|
|
|
|
template <class _Tp>
|
|
where_expression<bool, _Tp> where(bool, _Tp&) noexcept;
|
|
|
|
template <class _Tp>
|
|
const_where_expression<bool, const _Tp> where(bool, const _Tp&) noexcept;
|
|
|
|
// reductions [simd.reductions]
|
|
template <class _Tp, class _Abi, class _BinaryOp = std::plus<_Tp>>
|
|
_Tp reduce(const simd<_Tp, _Abi>&, _BinaryOp = _BinaryOp());
|
|
|
|
template <class _MaskType, class _SimdType, class _BinaryOp>
|
|
typename _SimdType::value_type
|
|
reduce(const const_where_expression<_MaskType, _SimdType>&,
|
|
typename _SimdType::value_type neutral_element, _BinaryOp binary_op);
|
|
|
|
template <class _MaskType, class _SimdType>
|
|
typename _SimdType::value_type
|
|
reduce(const const_where_expression<_MaskType, _SimdType>&,
|
|
plus<typename _SimdType::value_type> binary_op = {});
|
|
|
|
template <class _MaskType, class _SimdType>
|
|
typename _SimdType::value_type
|
|
reduce(const const_where_expression<_MaskType, _SimdType>&,
|
|
multiplies<typename _SimdType::value_type> binary_op);
|
|
|
|
template <class _MaskType, class _SimdType>
|
|
typename _SimdType::value_type
|
|
reduce(const const_where_expression<_MaskType, _SimdType>&,
|
|
bit_and<typename _SimdType::value_type> binary_op);
|
|
|
|
template <class _MaskType, class _SimdType>
|
|
typename _SimdType::value_type
|
|
reduce(const const_where_expression<_MaskType, _SimdType>&,
|
|
bit_or<typename _SimdType::value_type> binary_op);
|
|
|
|
template <class _MaskType, class _SimdType>
|
|
typename _SimdType::value_type
|
|
reduce(const const_where_expression<_MaskType, _SimdType>&,
|
|
bit_xor<typename _SimdType::value_type> binary_op);
|
|
|
|
template <class _Tp, class _Abi>
|
|
_Tp hmin(const simd<_Tp, _Abi>&);
|
|
template <class _MaskType, class _SimdType>
|
|
typename _SimdType::value_type
|
|
hmin(const const_where_expression<_MaskType, _SimdType>&);
|
|
template <class _Tp, class _Abi>
|
|
_Tp hmax(const simd<_Tp, _Abi>&);
|
|
template <class _MaskType, class _SimdType>
|
|
typename _SimdType::value_type
|
|
hmax(const const_where_expression<_MaskType, _SimdType>&);
|
|
|
|
// algorithms [simd.alg]
|
|
template <class _Tp, class _Abi>
|
|
simd<_Tp, _Abi> min(const simd<_Tp, _Abi>&, const simd<_Tp, _Abi>&) noexcept;
|
|
|
|
template <class _Tp, class _Abi>
|
|
simd<_Tp, _Abi> max(const simd<_Tp, _Abi>&, const simd<_Tp, _Abi>&) noexcept;
|
|
|
|
template <class _Tp, class _Abi>
|
|
std::pair<simd<_Tp, _Abi>, simd<_Tp, _Abi>>
|
|
minmax(const simd<_Tp, _Abi>&, const simd<_Tp, _Abi>&) noexcept;
|
|
|
|
template <class _Tp, class _Abi>
|
|
simd<_Tp, _Abi> clamp(const simd<_Tp, _Abi>&, const simd<_Tp, _Abi>&,
|
|
const simd<_Tp, _Abi>&);
|
|
|
|
// [simd.whereexpr]
|
|
// TODO implement where expressions.
|
|
template <class _MaskType, class _Tp>
|
|
class const_where_expression {
|
|
public:
|
|
const_where_expression(const const_where_expression&) = delete;
|
|
const_where_expression& operator=(const const_where_expression&) = delete;
|
|
typename remove_const<_Tp>::type operator-() const&&;
|
|
template <class _Up, class _Flags>
|
|
void copy_to(_Up*, _Flags) const&&;
|
|
};
|
|
|
|
template <class _MaskType, class _Tp>
|
|
class where_expression : public const_where_expression<_MaskType, _Tp> {
|
|
public:
|
|
where_expression(const where_expression&) = delete;
|
|
where_expression& operator=(const where_expression&) = delete;
|
|
template <class _Up>
|
|
void operator=(_Up&&);
|
|
template <class _Up>
|
|
void operator+=(_Up&&);
|
|
template <class _Up>
|
|
void operator-=(_Up&&);
|
|
template <class _Up>
|
|
void operator*=(_Up&&);
|
|
template <class _Up>
|
|
void operator/=(_Up&&);
|
|
template <class _Up>
|
|
void operator%=(_Up&&);
|
|
template <class _Up>
|
|
void operator&=(_Up&&);
|
|
template <class _Up>
|
|
void operator|=(_Up&&);
|
|
template <class _Up>
|
|
void operator^=(_Up&&);
|
|
template <class _Up>
|
|
void operator<<=(_Up&&);
|
|
template <class _Up>
|
|
void operator>>=(_Up&&);
|
|
void operator++();
|
|
void operator++(int);
|
|
void operator--();
|
|
void operator--(int);
|
|
template <class _Up, class _Flags>
|
|
void copy_from(const _Up*, _Flags);
|
|
};
|
|
|
|
// [simd.class]
|
|
// TODO: implement simd
|
|
template <class _Tp, class _Abi>
|
|
class simd {
|
|
public:
|
|
using value_type = _Tp;
|
|
using reference = __simd_reference<_Tp, _Tp, _Abi>;
|
|
using mask_type = simd_mask<_Tp, _Abi>;
|
|
using abi_type = _Abi;
|
|
|
|
simd() = default;
|
|
simd(const simd&) = default;
|
|
simd& operator=(const simd&) = default;
|
|
|
|
static constexpr size_t size() noexcept {
|
|
return simd_size<_Tp, _Abi>::value;
|
|
}
|
|
|
|
private:
|
|
__simd_storage<_Tp, _Abi> __s_;
|
|
|
|
template <class _Up>
|
|
static constexpr bool __can_broadcast() {
|
|
return (std::is_arithmetic<_Up>::value &&
|
|
__is_non_narrowing_arithmetic_convertible<_Up, _Tp>()) ||
|
|
(!std::is_arithmetic<_Up>::value &&
|
|
std::is_convertible<_Up, _Tp>::value) ||
|
|
std::is_same<typename std::remove_const<_Up>::type, int>::value ||
|
|
(std::is_same<typename std::remove_const<_Up>::type,
|
|
unsigned int>::value &&
|
|
std::is_unsigned<_Tp>::value);
|
|
}
|
|
|
|
template <class _Generator, size_t... __indicies>
|
|
static constexpr decltype(
|
|
std::forward_as_tuple(std::declval<_Generator>()(
|
|
std::integral_constant<size_t, __indicies>())...),
|
|
bool())
|
|
__can_generate(std::index_sequence<__indicies...>) {
|
|
return !__variadic_sum<bool>(
|
|
!__can_broadcast<decltype(std::declval<_Generator>()(
|
|
std::integral_constant<size_t, __indicies>()))>()...);
|
|
}
|
|
|
|
template <class _Generator>
|
|
static bool __can_generate(...) {
|
|
return false;
|
|
}
|
|
|
|
template <class _Generator, size_t... __indicies>
|
|
void __generator_init(_Generator&& __g, std::index_sequence<__indicies...>) {
|
|
int __not_used[]{((*this)[__indicies] =
|
|
__g(std::integral_constant<size_t, __indicies>()),
|
|
0)...};
|
|
(void)__not_used;
|
|
}
|
|
|
|
public:
|
|
// implicit type conversion constructor
|
|
template <class _Up,
|
|
class = typename std::enable_if<
|
|
std::is_same<_Abi, simd_abi::fixed_size<size()>>::value &&
|
|
__is_non_narrowing_arithmetic_convertible<_Up, _Tp>()>::type>
|
|
simd(const simd<_Up, simd_abi::fixed_size<size()>>& __v) {
|
|
for (size_t __i = 0; __i < size(); __i++) {
|
|
(*this)[__i] = static_cast<_Tp>(__v[__i]);
|
|
}
|
|
}
|
|
|
|
// implicit broadcast constructor
|
|
template <class _Up,
|
|
class = typename std::enable_if<__can_broadcast<_Up>()>::type>
|
|
simd(_Up&& __rv) {
|
|
auto __v = static_cast<_Tp>(__rv);
|
|
for (size_t __i = 0; __i < size(); __i++) {
|
|
(*this)[__i] = __v;
|
|
}
|
|
}
|
|
|
|
// generator constructor
|
|
template <class _Generator,
|
|
int = typename std::enable_if<
|
|
__can_generate<_Generator>(std::make_index_sequence<size()>()),
|
|
int>::type()>
|
|
explicit simd(_Generator&& __g) {
|
|
__generator_init(std::forward<_Generator>(__g),
|
|
std::make_index_sequence<size()>());
|
|
}
|
|
|
|
// load constructor
|
|
template <
|
|
class _Up, class _Flags,
|
|
class = typename std::enable_if<__vectorizable<_Up>()>::type,
|
|
class = typename std::enable_if<is_simd_flag_type<_Flags>::value>::type>
|
|
simd(const _Up* __buffer, _Flags) {
|
|
// TODO: optimize for overaligned flags
|
|
for (size_t __i = 0; __i < size(); __i++) {
|
|
(*this)[__i] = static_cast<_Tp>(__buffer[__i]);
|
|
}
|
|
}
|
|
|
|
// loads [simd.load]
|
|
template <class _Up, class _Flags>
|
|
typename std::enable_if<__vectorizable<_Up>() &&
|
|
is_simd_flag_type<_Flags>::value>::type
|
|
copy_from(const _Up* __buffer, _Flags) {
|
|
*this = simd(__buffer, _Flags());
|
|
}
|
|
|
|
// stores [simd.store]
|
|
template <class _Up, class _Flags>
|
|
typename std::enable_if<__vectorizable<_Up>() &&
|
|
is_simd_flag_type<_Flags>::value>::type
|
|
copy_to(_Up* __buffer, _Flags) const {
|
|
// TODO: optimize for overaligned flags
|
|
for (size_t __i = 0; __i < size(); __i++) {
|
|
__buffer[__i] = static_cast<_Up>((*this)[__i]);
|
|
}
|
|
}
|
|
|
|
// scalar access [simd.subscr]
|
|
reference operator[](size_t __i) { return reference(&__s_, __i); }
|
|
|
|
value_type operator[](size_t __i) const { return __s_.__get(__i); }
|
|
|
|
// unary operators [simd.unary]
|
|
simd& operator++();
|
|
simd operator++(int);
|
|
simd& operator--();
|
|
simd operator--(int);
|
|
mask_type operator!() const;
|
|
simd operator~() const;
|
|
simd operator+() const;
|
|
simd operator-() const;
|
|
|
|
// binary operators [simd.binary]
|
|
friend simd operator+(const simd&, const simd&);
|
|
friend simd operator-(const simd&, const simd&);
|
|
friend simd operator*(const simd&, const simd&);
|
|
friend simd operator/(const simd&, const simd&);
|
|
friend simd operator%(const simd&, const simd&);
|
|
friend simd operator&(const simd&, const simd&);
|
|
friend simd operator|(const simd&, const simd&);
|
|
friend simd operator^(const simd&, const simd&);
|
|
friend simd operator<<(const simd&, const simd&);
|
|
friend simd operator>>(const simd&, const simd&);
|
|
friend simd operator<<(const simd&, int);
|
|
friend simd operator>>(const simd&, int);
|
|
|
|
// compound assignment [simd.cassign]
|
|
friend simd& operator+=(simd&, const simd&);
|
|
friend simd& operator-=(simd&, const simd&);
|
|
friend simd& operator*=(simd&, const simd&);
|
|
friend simd& operator/=(simd&, const simd&);
|
|
friend simd& operator%=(simd&, const simd&);
|
|
|
|
friend simd& operator&=(simd&, const simd&);
|
|
friend simd& operator|=(simd&, const simd&);
|
|
friend simd& operator^=(simd&, const simd&);
|
|
friend simd& operator<<=(simd&, const simd&);
|
|
friend simd& operator>>=(simd&, const simd&);
|
|
friend simd& operator<<=(simd&, int);
|
|
friend simd& operator>>=(simd&, int);
|
|
|
|
// compares [simd.comparison]
|
|
friend mask_type operator==(const simd&, const simd&);
|
|
friend mask_type operator!=(const simd&, const simd&);
|
|
friend mask_type operator>=(const simd&, const simd&);
|
|
friend mask_type operator<=(const simd&, const simd&);
|
|
friend mask_type operator>(const simd&, const simd&);
|
|
friend mask_type operator<(const simd&, const simd&);
|
|
};
|
|
|
|
// [simd.mask.class]
|
|
template <class _Tp, class _Abi>
|
|
// TODO: implement simd_mask
|
|
class simd_mask {
|
|
public:
|
|
using value_type = bool;
|
|
// TODO: this is strawman implementation. Turn it into a proxy type.
|
|
using reference = bool&;
|
|
using simd_type = simd<_Tp, _Abi>;
|
|
using abi_type = _Abi;
|
|
static constexpr size_t size() noexcept;
|
|
simd_mask() = default;
|
|
|
|
// broadcast constructor
|
|
explicit simd_mask(value_type) noexcept;
|
|
|
|
// implicit type conversion constructor
|
|
template <class _Up>
|
|
simd_mask(const simd_mask<_Up, simd_abi::fixed_size<size()>>&) noexcept;
|
|
|
|
// load constructor
|
|
template <class _Flags>
|
|
simd_mask(const value_type*, _Flags);
|
|
|
|
// loads [simd.mask.copy]
|
|
template <class _Flags>
|
|
void copy_from(const value_type*, _Flags);
|
|
template <class _Flags>
|
|
void copy_to(value_type*, _Flags) const;
|
|
|
|
// scalar access [simd.mask.subscr]
|
|
reference operator[](size_t);
|
|
value_type operator[](size_t) const;
|
|
|
|
// unary operators [simd.mask.unary]
|
|
simd_mask operator!() const noexcept;
|
|
|
|
// simd_mask binary operators [simd.mask.binary]
|
|
friend simd_mask operator&&(const simd_mask&, const simd_mask&) noexcept;
|
|
friend simd_mask operator||(const simd_mask&, const simd_mask&) noexcept;
|
|
friend simd_mask operator&(const simd_mask&, const simd_mask&)noexcept;
|
|
friend simd_mask operator|(const simd_mask&, const simd_mask&) noexcept;
|
|
friend simd_mask operator^(const simd_mask&, const simd_mask&) noexcept;
|
|
|
|
// simd_mask compound assignment [simd.mask.cassign]
|
|
friend simd_mask& operator&=(simd_mask&, const simd_mask&) noexcept;
|
|
friend simd_mask& operator|=(simd_mask&, const simd_mask&) noexcept;
|
|
friend simd_mask& operator^=(simd_mask&, const simd_mask&) noexcept;
|
|
|
|
// simd_mask compares [simd.mask.comparison]
|
|
friend simd_mask operator==(const simd_mask&, const simd_mask&) noexcept;
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friend simd_mask operator!=(const simd_mask&, const simd_mask&) noexcept;
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};
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#endif // _LIBCPP_STD_VER >= 17
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_LIBCPP_END_NAMESPACE_EXPERIMENTAL_SIMD
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#endif /* _LIBCPP_EXPERIMENTAL_SIMD */
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