ceph/src/boost/libs/predef/include/boost/predef/hardware/simd/x86_amd.h

   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 /*`
  16  [heading `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  [table
  22      [[__predef_symbol__] [__predef_version__]]
  23
  24      [[`__SSE4A__`] [__predef_detection__]]
  25
  26      [[`__FMA4__`] [__predef_detection__]]
  27
  28      [[`__XOP__`] [__predef_detection__]]
  29
  30      [[`BOOST_HW_SIMD_X86`] [__predef_detection__]]
  31      ]
  32
  33  [table
  34      [[__predef_symbol__] [__predef_version__]]
  35
  36      [[`__SSE4A__`] [BOOST_HW_SIMD_X86_SSE4A_VERSION]]
  37
  38      [[`__FMA4__`] [BOOST_HW_SIMD_X86_FMA4_VERSION]]
  39
  40      [[`__XOP__`] [BOOST_HW_SIMD_X86_XOP_VERSION]]
  41
  42      [[`BOOST_HW_SIMD_X86`] [BOOST_HW_SIMD_X86]]
  43      ]
  44
  45  [note This predef includes every other x86 SIMD extensions and also has other
  46  more specific extensions (FMA4, XOP, SSE4a). You should use this predef
  47  instead of `BOOST_HW_SIMD_X86` to test if those specific extensions have
  48  been detected.]
  49
  50  */
  51
  52 #define BOOST_HW_SIMD_X86_AMD BOOST_VERSION_NUMBER_NOT_AVAILABLE
  53
  54 // AMD CPUs also use x86 architecture. We first try to detect if any AMD
  55 // specific extension are detected, if yes, then try to detect more recent x86
  56 // common extensions.
  57
  58 #undef BOOST_HW_SIMD_X86_AMD
  59 #if !defined(BOOST_HW_SIMD_X86_AMD) && defined(__XOP__)
  60 #   define BOOST_HW_SIMD_X86_AMD BOOST_HW_SIMD_X86_AMD_XOP_VERSION
  61 #endif
  62 #if !defined(BOOST_HW_SIMD_X86_AMD) && defined(__FMA4__)
  63 #   define BOOST_HW_SIMD_X86_AMD BOOST_HW_SIMD_X86_AMD_FMA4_VERSION
  64 #endif
  65 #if !defined(BOOST_HW_SIMD_X86_AMD) && defined(__SSE4A__)
  66 #   define BOOST_HW_SIMD_X86_AMD BOOST_HW_SIMD_X86_AMD_SSE4A_VERSION
  67 #endif
  68
  69 #if !defined(BOOST_HW_SIMD_X86_AMD)
  70 #   define BOOST_HW_SIMD_X86_AMD BOOST_VERSION_NUMBER_NOT_AVAILABLE
  71 #else
  72     // At this point, we know that we have an AMD CPU, we do need to check for
  73     // other x86 extensions to determine the final version number.
  74 #   include <boost/predef/hardware/simd/x86.h>
  75 #   if BOOST_HW_SIMD_X86 > BOOST_HW_SIMD_X86_AMD
  76 #      undef BOOST_HW_SIMD_X86_AMD
  77 #      define BOOST_HW_SIMD_X86_AMD BOOST_HW_SIMD_X86
  78 #   endif
  79 #   define BOOST_HW_SIMD_X86_AMD_AVAILABLE
  80 #endif
  81
  82 #define BOOST_HW_SIMD_X86_AMD_NAME "x86 (AMD) SIMD"
  83
  84 #endif
  85
  86 #include <boost/predef/detail/test.h>
  87 BOOST_PREDEF_DECLARE_TEST(BOOST_HW_SIMD_X86_AMD, BOOST_HW_SIMD_X86_AMD_NAME)