ceph/src/boost/boost/predef/hardware/simd.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 #include <boost/predef/hardware/simd/x86.h>
  10 #include <boost/predef/hardware/simd/x86_amd.h>
  11 #include <boost/predef/hardware/simd/arm.h>
  12 #include <boost/predef/hardware/simd/ppc.h>
  13
  14 #ifndef BOOST_PREDEF_HARDWARE_SIMD_H
  15 #define BOOST_PREDEF_HARDWARE_SIMD_H
  16
  17 #include <boost/predef/version_number.h>
  18
  19 /*`
  20  [section Using the `BOOST_HW_SIMD_*` predefs]
  21  [include ../doc/hardware_simd.qbk]
  22  [endsect]
  23
  24  [/ --------------------------- ]
  25
  26  [section `BOOST_HW_SIMD_*`]
  27
  28  [heading `BOOST_HW_SIMD`]
  29
  30  The SIMD extension detected for a specific architectures.
  31  Version number depends on the detected extension.
  32
  33  [table
  34      [[__predef_symbol__] [__predef_version__]]
  35
  36      [[`BOOST_HW_SIMD_X86_AVAILABLE`] [__predef_detection__]]
  37      [[`BOOST_HW_SIMD_X86_AMD_AVAILABLE`] [__predef_detection__]]
  38      [[`BOOST_HW_SIMD_ARM_AVAILABLE`] [__predef_detection__]]
  39      [[`BOOST_HW_SIMD_PPC_AVAILABLE`] [__predef_detection__]]
  40      ]
  41
  42  [include ../include/boost/predef/hardware/simd/x86.h]
  43  [include ../include/boost/predef/hardware/simd/x86_amd.h]
  44  [include ../include/boost/predef/hardware/simd/arm.h]
  45  [include ../include/boost/predef/hardware/simd/ppc.h]
  46
  47  [endsect]
  48
  49  [/ --------------------------- ]
  50
  51  [section `BOOST_HW_SIMD_X86_*_VERSION`]
  52  [include ../include/boost/predef/hardware/simd/x86/versions.h]
  53  [endsect]
  54
  55  [section `BOOST_HW_SIMD_X86_AMD_*_VERSION`]
  56  [include ../include/boost/predef/hardware/simd/x86_amd/versions.h]
  57  [endsect]
  58
  59  [section `BOOST_HW_SIMD_ARM_*_VERSION`]
  60  [include ../include/boost/predef/hardware/simd/arm/versions.h]
  61  [endsect]
  62
  63  [section `BOOST_HW_SIMD_PPC_*_VERSION`]
  64  [include ../include/boost/predef/hardware/simd/ppc/versions.h]
  65  [endsect]
  66
  67  */
  68
  69 // We check if SIMD extension of multiples architectures have been detected,
  70 // if yes, then this is an error!
  71 //
  72 // NOTE: _X86_AMD implies _X86, so there is no need to check for it here!
  73 //
  74 #if defined(BOOST_HW_SIMD_ARM_AVAILABLE) && defined(BOOST_HW_SIMD_PPC_AVAILABLE) ||\
  75     defined(BOOST_HW_SIMD_ARM_AVAILABLE) && defined(BOOST_HW_SIMD_X86_AVAILABLE) ||\
  76     defined(BOOST_HW_SIMD_PPC_AVAILABLE) && defined(BOOST_HW_SIMD_X86_AVAILABLE)
  77 #   error "Multiple SIMD architectures detected, this cannot happen!"
  78 #endif
  79
  80 #if defined(BOOST_HW_SIMD_X86_AVAILABLE) && defined(BOOST_HW_SIMD_X86_AMD_AVAILABLE)
  81     // If both standard _X86 and _X86_AMD are available,
  82     // then take the biggest version of the two!
  83 #   if BOOST_HW_SIMD_X86 >= BOOST_HW_SIMD_X86_AMD
  84 #      define BOOST_HW_SIMD BOOST_HW_SIMD_X86
  85 #   else
  86 #      define BOOST_HW_SIMD BOOST_HW_SIMD_X86_AMD
  87 #   endif
  88 #endif
  89
  90 #if !defined(BOOST_HW_SIMD)
  91     // At this point, only one of these two is defined
  92 #   if defined(BOOST_HW_SIMD_X86_AVAILABLE)
  93 #      define BOOST_HW_SIMD BOOST_HW_SIMD_X86
  94 #   endif
  95 #   if defined(BOOST_HW_SIMD_X86_AMD_AVAILABLE)
  96 #      define BOOST_HW_SIMD BOOST_HW_SIMD_X86_AMD
  97 #   endif
  98 #endif
  99
 100 #if defined(BOOST_HW_SIMD_ARM_AVAILABLE)
 101 #   define BOOST_HW_SIMD BOOST_HW_SIMD_ARM
 102 #endif
 103
 104 #if defined(BOOST_HW_SIMD_PPC_AVAILABLE)
 105 #   define BOOST_HW_SIMD BOOST_HW_SIMD_PPC
 106 #endif
 107
 108 #if defined(BOOST_HW_SIMD)
 109 #   define BOOST_HW_SIMD_AVAILABLE
 110 #else
 111 #   define BOOST_HW_SIMD BOOST_VERSION_NUMBER_NOT_AVAILABLE
 112 #endif
 113
 114 #define BOOST_HW_SIMD_NAME "Hardware SIMD"
 115
 116 #endif
 117
 118 #include <boost/predef/detail/test.h>
 119 BOOST_PREDEF_DECLARE_TEST(BOOST_HW_SIMD, BOOST_HW_SIMD_NAME)