Vc  1.3.2-dev
SIMD Vector Classes for C++
loadinterface.h
1 /* This file is part of the Vc library. {{{
2 Copyright © 2014-2015 Matthias Kretz <kretz@kde.org>
3 
4 Redistribution and use in source and binary forms, with or without
5 modification, are permitted provided that the following conditions are met:
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7  notice, this list of conditions and the following disclaimer.
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15 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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26 }}}*/
27 
28 // load ctors{{{1
36 explicit Vc_INTRINSIC Vector(const EntryType *mem)
37 {
38  load(mem);
39 }
48 template <typename Flags, typename = enable_if<Traits::is_load_store_flag<Flags>::value>>
49 explicit Vc_INTRINSIC Vector(const EntryType *mem, Flags flags)
50 {
51  load(mem, flags);
52 }
53 
54 template <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>>
59 explicit Vc_INTRINSIC Vector(const U *x, Flags flags = Flags())
60 {
61  load<U, Flags>(x, flags);
62 }
63 
64 // load member functions{{{1
72 Vc_INTRINSIC void load(const EntryType *mem)
73 {
74  load(mem, DefaultLoadTag());
75 }
86 template <typename Flags>
87 Vc_INTRINSIC enable_if<Traits::is_load_store_flag<Flags>::value, void>
88 load(const EntryType *mem, Flags flags)
89 {
90  load<EntryType, Flags>(mem, flags);
91 }
92 private:
93 template <typename U, typename Flags>
94 struct 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 
100 public:
101 template <typename U, typename Flags = DefaultLoadTag>
102 Vc_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.