Vc 1.4.5
SIMD Vector Classes for C++
 
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loadinterface.h
1/* This file is part of the Vc library. {{{
2Copyright © 2014-2015 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// load ctors{{{1
36explicit Vc_INTRINSIC Vector(const EntryType *mem)
37{
38 load(mem);
39}
48template <typename Flags, typename = enable_if<Traits::is_load_store_flag<Flags>::value>>
49explicit Vc_INTRINSIC Vector(const EntryType *mem, Flags flags)
50{
51 load(mem, flags);
52}
53
54template <typename U, typename Flags = DefaultLoadTag,
55 typename = enable_if<
56 (!std::is_integral<U>::value || !std::is_integral<EntryType>::value ||
57 sizeof(EntryType) >= sizeof(U)) &&
58 std::is_arithmetic<U>::value &&Traits::is_load_store_flag<Flags>::value>>
59explicit Vc_INTRINSIC Vector(const U *x, Flags flags = Flags())
60{
61 load<U, Flags>(x, flags);
62}
63
64// load member functions{{{1
72Vc_INTRINSIC void load(const EntryType *mem)
73{
74 load(mem, DefaultLoadTag());
75}
86template <typename Flags>
87Vc_INTRINSIC enable_if<Traits::is_load_store_flag<Flags>::value, void>
88load(const EntryType *mem, Flags flags)
89{
90 load<EntryType, Flags>(mem, flags);
91}
92private:
93template <typename U, typename Flags>
94struct load_concept : public std::enable_if<
95 (!std::is_integral<U>::value || !std::is_integral<EntryType>::value ||
96 sizeof(EntryType) >= sizeof(U)) &&
97 std::is_arithmetic<U>::value && Traits::is_load_store_flag<Flags>::value, void>
98{};
99
100public:
101template <typename U, typename Flags = DefaultLoadTag>
102Vc_INTRINSIC_L typename load_concept<U, Flags>::type load(const U *mem, Flags = Flags()) Vc_INTRINSIC_R;
103//}}}1
104
105// vim: foldmethod=marker
UnalignedTag DefaultLoadTag
The default load tag type uses unaligned (non-streaming) loads.