Vc
1.4.2
SIMD Vector Classes for C++
support.h
1
/* This file is part of the Vc library. {{{
2
Copyright © 2010-2015 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:
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
15
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
16
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
19
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22
ON 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
24
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25
26
}}}*/
27
28
#ifndef VC_COMMON_SUPPORT_H_
29
#define VC_COMMON_SUPPORT_H_
30
31
#ifndef VC_GLOBAL_H_
32
#error "Vc/global.h must be included first!"
33
#endif
34
35
#if defined __x86_64__ || defined __amd64__ || defined __amd64 || defined __x86_64 || \
36
defined _M_AMD64 || defined __i386__
37
#include <Vc/cpuid.h>
38
#endif
39
40
#if defined(Vc_GCC) && Vc_GCC >= 0x40400 && defined __SSE__
41
#define Vc_TARGET_NO_SIMD __attribute__((target("no-sse2,no-avx")))
42
#else
43
#define Vc_TARGET_NO_SIMD
44
#endif
45
46
#include "common/macros.h"
47
namespace
Vc_VERSIONED_NAMESPACE
48
{
49
61
Vc_TARGET_NO_SIMD
62
unsigned
int
extraInstructionsSupported
();
63
75
Vc_TARGET_NO_SIMD
76
bool
isImplementationSupported
(
Vc::Implementation
impl);
77
97
template
<
typename
Impl>
98
Vc_TARGET_NO_SIMD
99
static
inline
bool
isImplementationSupported
()
100
{
101
return
isImplementationSupported
(Impl::current()) &&
102
Impl::runs_on(
extraInstructionsSupported
());
103
}
104
113
Vc_TARGET_NO_SIMD
114
Vc::Implementation
bestImplementationSupported
();
115
116
#ifndef Vc_COMPILE_LIB
117
145
Vc_TARGET_NO_SIMD
146
#ifndef DOXYGEN
147
static
148
#endif
149
inline
bool
currentImplementationSupported
()
150
{
151
return
isImplementationSupported<Vc::CurrentImplementation>();
152
}
153
#endif // Vc_COMPILE_LIB
154
155
156
}
157
158
#undef Vc_TARGET_NO_SIMD
159
160
#endif // VC_COMMON_SUPPORT_H_
Vc::extraInstructionsSupported
unsigned int extraInstructionsSupported()
Vc::currentImplementationSupported
bool currentImplementationSupported()
Definition:
support.h:149
Vc::bestImplementationSupported
Vc::Implementation bestImplementationSupported()
Vc::Implementation
Implementation
Definition:
global.h:477
Vc::isImplementationSupported
bool isImplementationSupported(Vc::Implementation impl)
Vc
support.h
Generated by
1.8.17