Vc 1.4.5
SIMD Vector Classes for C++
 
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aliasingentryhelper.h
1/* This file is part of the Vc library. {{{
2Copyright © 2010-2015 Matthias Kretz <kretz@kde.org>
3
4Redistribution and use in source and binary forms, with or without
5modification, are permitted provided that the following conditions are met:
6 * Redistributions of source code must retain the above copyright
7 notice, this list of conditions and the following disclaimer.
8 * Redistributions in binary form must reproduce the above copyright
9 notice, this list of conditions and the following disclaimer in the
10 documentation and/or other materials provided with the distribution.
11 * Neither the names of contributing organizations nor the
12 names of its contributors may be used to endorse or promote products
13 derived from this software without specific prior written permission.
14
15THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
16ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
19DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25
26}}}*/
27
28#ifndef VC_COMMON_ALIASINGENTRYHELPER_H_
29#define VC_COMMON_ALIASINGENTRYHELPER_H_
30
31#include "macros.h"
32
33namespace Vc_VERSIONED_NAMESPACE
34{
35namespace Common
36{
37
38template<class StorageType> class AliasingEntryHelper
39{
40 private:
41 typedef typename StorageType::EntryType T;
42#ifdef Vc_ICC
43 StorageType *const m_storage;
44 const int m_index;
45 public:
46 Vc_ALWAYS_INLINE AliasingEntryHelper(StorageType *d, int index) : m_storage(d), m_index(index) {}
47 Vc_ALWAYS_INLINE AliasingEntryHelper(const AliasingEntryHelper &) = default;
48 Vc_ALWAYS_INLINE AliasingEntryHelper(AliasingEntryHelper &&) = default;
49 Vc_ALWAYS_INLINE AliasingEntryHelper &operator=(const AliasingEntryHelper &rhs) {
50 m_storage->assign(m_index, rhs);
51 return *this;
52 }
53
54 Vc_ALWAYS_INLINE AliasingEntryHelper &operator =(T x) { m_storage->assign(m_index, x); return *this; }
55 Vc_ALWAYS_INLINE AliasingEntryHelper &operator +=(T x) { m_storage->assign(m_index, m_storage->m(m_index) + x); return *this; }
56 Vc_ALWAYS_INLINE AliasingEntryHelper &operator -=(T x) { m_storage->assign(m_index, m_storage->m(m_index) - x); return *this; }
57 Vc_ALWAYS_INLINE AliasingEntryHelper &operator /=(T x) { m_storage->assign(m_index, m_storage->m(m_index) / x); return *this; }
58 Vc_ALWAYS_INLINE AliasingEntryHelper &operator *=(T x) { m_storage->assign(m_index, m_storage->m(m_index) * x); return *this; }
59 Vc_ALWAYS_INLINE AliasingEntryHelper &operator |=(T x) { m_storage->assign(m_index, m_storage->m(m_index) | x); return *this; }
60 Vc_ALWAYS_INLINE AliasingEntryHelper &operator &=(T x) { m_storage->assign(m_index, m_storage->m(m_index) & x); return *this; }
61 Vc_ALWAYS_INLINE AliasingEntryHelper &operator ^=(T x) { m_storage->assign(m_index, m_storage->m(m_index) ^ x); return *this; }
62 Vc_ALWAYS_INLINE AliasingEntryHelper &operator %=(T x) { m_storage->assign(m_index, m_storage->m(m_index) % x); return *this; }
63 Vc_ALWAYS_INLINE AliasingEntryHelper &operator<<=(T x) { m_storage->assign(m_index, m_storage->m(m_index)<< x); return *this; }
64 Vc_ALWAYS_INLINE AliasingEntryHelper &operator>>=(T x) { m_storage->assign(m_index, m_storage->m(m_index)>> x); return *this; }
65#define m_data m_storage->read(m_index)
66#else
67 typedef T A Vc_MAY_ALIAS;
68 A &m_data;
69 public:
70 template<typename T2>
71 Vc_ALWAYS_INLINE AliasingEntryHelper(T2 &d) : m_data(reinterpret_cast<A &>(d)) {}
72
73 Vc_ALWAYS_INLINE AliasingEntryHelper(A &d) : m_data(d) {}
74 Vc_ALWAYS_INLINE AliasingEntryHelper &operator=(const AliasingEntryHelper &rhs) {
75 m_data = rhs.m_data;
76 return *this;
77 }
78
79 Vc_ALWAYS_INLINE AliasingEntryHelper &operator =(T x) { m_data = x; return *this; }
80 Vc_ALWAYS_INLINE AliasingEntryHelper &operator+=(T x) { m_data += x; return *this; }
81 Vc_ALWAYS_INLINE AliasingEntryHelper &operator-=(T x) { m_data -= x; return *this; }
82 Vc_ALWAYS_INLINE AliasingEntryHelper &operator/=(T x) { m_data /= x; return *this; }
83 Vc_ALWAYS_INLINE AliasingEntryHelper &operator*=(T x) { m_data *= x; return *this; }
84 Vc_ALWAYS_INLINE AliasingEntryHelper &operator|=(T x) { m_data |= x; return *this; }
85 Vc_ALWAYS_INLINE AliasingEntryHelper &operator&=(T x) { m_data &= x; return *this; }
86 Vc_ALWAYS_INLINE AliasingEntryHelper &operator^=(T x) { m_data ^= x; return *this; }
87 Vc_ALWAYS_INLINE AliasingEntryHelper &operator%=(T x) { m_data %= x; return *this; }
88 Vc_ALWAYS_INLINE AliasingEntryHelper &operator<<=(T x) { m_data <<= x; return *this; }
89 Vc_ALWAYS_INLINE AliasingEntryHelper &operator>>=(T x) { m_data >>= x; return *this; }
90#endif
91
92 Vc_ALWAYS_INLINE Vc_PURE operator const T() const { return m_data; }
93
94 Vc_ALWAYS_INLINE Vc_PURE bool operator==(T x) const { return static_cast<T>(m_data) == x; }
95 Vc_ALWAYS_INLINE Vc_PURE bool operator!=(T x) const { return static_cast<T>(m_data) != x; }
96 Vc_ALWAYS_INLINE Vc_PURE bool operator<=(T x) const { return static_cast<T>(m_data) <= x; }
97 Vc_ALWAYS_INLINE Vc_PURE bool operator>=(T x) const { return static_cast<T>(m_data) >= x; }
98 Vc_ALWAYS_INLINE Vc_PURE bool operator< (T x) const { return static_cast<T>(m_data) < x; }
99 Vc_ALWAYS_INLINE Vc_PURE bool operator> (T x) const { return static_cast<T>(m_data) > x; }
100
101 Vc_ALWAYS_INLINE Vc_PURE T operator-() const { return -static_cast<T>(m_data); }
102 Vc_ALWAYS_INLINE Vc_PURE T operator~() const { return ~static_cast<T>(m_data); }
103 Vc_ALWAYS_INLINE Vc_PURE T operator+(T x) const { return static_cast<T>(m_data) + x; }
104 Vc_ALWAYS_INLINE Vc_PURE T operator-(T x) const { return static_cast<T>(m_data) - x; }
105 Vc_ALWAYS_INLINE Vc_PURE T operator/(T x) const { return static_cast<T>(m_data) / x; }
106 Vc_ALWAYS_INLINE Vc_PURE T operator*(T x) const { return static_cast<T>(m_data) * x; }
107 Vc_ALWAYS_INLINE Vc_PURE T operator|(T x) const { return static_cast<T>(m_data) | x; }
108 Vc_ALWAYS_INLINE Vc_PURE T operator&(T x) const { return static_cast<T>(m_data) & x; }
109 Vc_ALWAYS_INLINE Vc_PURE T operator^(T x) const { return static_cast<T>(m_data) ^ x; }
110 Vc_ALWAYS_INLINE Vc_PURE T operator%(T x) const { return static_cast<T>(m_data) % x; }
111 //T operator<<(T x) const { return static_cast<T>(m_data) << x; }
112 //T operator>>(T x) const { return static_cast<T>(m_data) >> x; }
113#ifdef m_data
114#undef m_data
115#endif
116};
117
118} // namespace Common
119} // namespace Vc
120
121#endif // VC_COMMON_ALIASINGENTRYHELPER_H_