1 | /* |
2 | Copyright Charly Chevalier 2015 |
3 | Copyright Joel Falcou 2015 |
4 | Distributed under the Boost Software License, Version 1.0. |
5 | (See accompanying file LICENSE_1_0.txt or copy at |
6 | http://www.boost.org/LICENSE_1_0.txt) |
7 | */ |
8 | |
9 | #ifndef BOOST_PREDEF_HARDWARE_SIMD_X86_AMD_H |
10 | #define BOOST_PREDEF_HARDWARE_SIMD_X86_AMD_H |
11 | |
12 | #include <boost/predef/version_number.h> |
13 | #include <boost/predef/hardware/simd/x86_amd/versions.h> |
14 | |
15 | /* tag::reference[] |
16 | = `BOOST_HW_SIMD_X86_AMD` |
17 | |
18 | The SIMD extension for x86 (AMD) (*if detected*). |
19 | Version number depends on the most recent detected extension. |
20 | |
21 | [options="header"] |
22 | |=== |
23 | | {predef_symbol} | {predef_version} |
24 | |
25 | | `+__SSE4A__+` | {predef_detection} |
26 | |
27 | | `+__FMA4__+` | {predef_detection} |
28 | |
29 | | `+__XOP__+` | {predef_detection} |
30 | |
31 | | `BOOST_HW_SIMD_X86` | {predef_detection} |
32 | |=== |
33 | |
34 | [options="header"] |
35 | |=== |
36 | | {predef_symbol} | {predef_version} |
37 | |
38 | | `+__SSE4A__+` | BOOST_HW_SIMD_X86_SSE4A_VERSION |
39 | |
40 | | `+__FMA4__+` | BOOST_HW_SIMD_X86_FMA4_VERSION |
41 | |
42 | | `+__XOP__+` | BOOST_HW_SIMD_X86_XOP_VERSION |
43 | |
44 | | `BOOST_HW_SIMD_X86` | BOOST_HW_SIMD_X86 |
45 | |=== |
46 | |
47 | NOTE: This predef includes every other x86 SIMD extensions and also has other |
48 | more specific extensions (FMA4, XOP, SSE4a). You should use this predef |
49 | instead of `BOOST_HW_SIMD_X86` to test if those specific extensions have |
50 | been detected. |
51 | |
52 | */ // end::reference[] |
53 | |
54 | #define BOOST_HW_SIMD_X86_AMD BOOST_VERSION_NUMBER_NOT_AVAILABLE |
55 | |
56 | // AMD CPUs also use x86 architecture. We first try to detect if any AMD |
57 | // specific extension are detected, if yes, then try to detect more recent x86 |
58 | // common extensions. |
59 | |
60 | #undef BOOST_HW_SIMD_X86_AMD |
61 | #if !defined(BOOST_HW_SIMD_X86_AMD) && defined(__XOP__) |
62 | # define BOOST_HW_SIMD_X86_AMD BOOST_HW_SIMD_X86_AMD_XOP_VERSION |
63 | #endif |
64 | #if !defined(BOOST_HW_SIMD_X86_AMD) && defined(__FMA4__) |
65 | # define BOOST_HW_SIMD_X86_AMD BOOST_HW_SIMD_X86_AMD_FMA4_VERSION |
66 | #endif |
67 | #if !defined(BOOST_HW_SIMD_X86_AMD) && defined(__SSE4A__) |
68 | # define BOOST_HW_SIMD_X86_AMD BOOST_HW_SIMD_X86_AMD_SSE4A_VERSION |
69 | #endif |
70 | |
71 | #if !defined(BOOST_HW_SIMD_X86_AMD) |
72 | # define BOOST_HW_SIMD_X86_AMD BOOST_VERSION_NUMBER_NOT_AVAILABLE |
73 | #else |
74 | // At this point, we know that we have an AMD CPU, we do need to check for |
75 | // other x86 extensions to determine the final version number. |
76 | # include <boost/predef/hardware/simd/x86.h> |
77 | # if BOOST_HW_SIMD_X86 > BOOST_HW_SIMD_X86_AMD |
78 | # undef BOOST_HW_SIMD_X86_AMD |
79 | # define BOOST_HW_SIMD_X86_AMD BOOST_HW_SIMD_X86 |
80 | # endif |
81 | # define BOOST_HW_SIMD_X86_AMD_AVAILABLE |
82 | #endif |
83 | |
84 | #define BOOST_HW_SIMD_X86_AMD_NAME "x86 (AMD) SIMD" |
85 | |
86 | #endif |
87 | |
88 | #include <boost/predef/detail/test.h> |
89 | BOOST_PREDEF_DECLARE_TEST(BOOST_HW_SIMD_X86_AMD, BOOST_HW_SIMD_X86_AMD_NAME) |
90 | |