Add initial support for __int128 to Config and TypeTraits

[SVN r81064]

include/boost/config/compiler/gcc.hpp

@@ -146,6 +146,12 @@
 #  endif
 #endif
 
+//
+// Recent GCC versions have __int128 when in 64-bit mode:
+//
+#if defined(__SIZEOF_INT128__)
+#  define BOOST_HAS_INT128
+#endif
 
 // C++0x features in 4.3.n and later
 //

include/boost/config/suffix.hpp

@@ -489,6 +489,18 @@ namespace boost{
 #  endif
 }
 #endif
+// same again for __int128:
+#if defined(BOOST_HAS_INT128) && defined(__cplusplus)
+namespace boost{
+#  ifdef __GNUC__
+   __extension__ typedef __int128 int128_type;
+   __extension__ typedef unsigned __int128 uint128_type;
+#  else
+   typedef __int128 int128_type;
+   typedef unsigned __int128 uint128_type;
+#  endif
+}
+#endif
 
 // BOOST_[APPEND_]EXPLICIT_TEMPLATE_[NON_]TYPE macros --------------------------//
 //

test/boost_has_int128.ipp

@@ -0,0 +1,36 @@
+//  (C) Copyright John Maddock 2012. 
+//  Use, modification and distribution are subject to the 
+//  Boost Software License, Version 1.0. (See accompanying file 
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org/libs/config for most recent version.
+
+//  MACRO:         BOOST_HAS_INT128
+//  TITLE:         __int128
+//  DESCRIPTION:   The platform supports __int128.
+
+#include <cstdlib>
+
+
+namespace boost_has_int128{
+
+int test()
+{
+#ifdef __GNUC__
+   __extension__ __int128 lli = 0;
+   __extension__ unsigned __int128 ulli = 0u;
+#else
+   __int128 lli = 0;
+   unsigned __int128 ulli = 0u;
+#endif
+   (void)&lli;
+   (void)&ulli;
+   return 0;
+}
+
+}
+
+
+
+
+

test/config_info.cpp

@@ -936,6 +936,7 @@ void print_boost_macros()
    PRINT_MACRO(BOOST_HAS_GETSYSTEMTIMEASFILETIME);
    PRINT_MACRO(BOOST_HAS_GETTIMEOFDAY);
    PRINT_MACRO(BOOST_HAS_HASH);
+   PRINT_MACRO(BOOST_HAS_INT128);
    PRINT_MACRO(BOOST_HAS_LOG1P);
    PRINT_MACRO(BOOST_HAS_LONG_LONG);
    PRINT_MACRO(BOOST_HAS_MACRO_USE_FACET);
@@ -1026,6 +1027,7 @@ void print_boost_macros()
    PRINT_MACRO(BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS);
    PRINT_MACRO(BOOST_NO_CXX11_NOEXCEPT);
    PRINT_MACRO(BOOST_NO_CXX11_NULLPTR);
+   PRINT_MACRO(BOOST_NO_CXX11_NUMERIC_LIMITS);
    PRINT_MACRO(BOOST_NO_CXX11_RANGE_BASED_FOR);
    PRINT_MACRO(BOOST_NO_CXX11_RAW_LITERALS);
    PRINT_MACRO(BOOST_NO_CXX11_RVALUE_REFERENCES);
@@ -1061,7 +1063,6 @@ void print_boost_macros()
    PRINT_MACRO(BOOST_NO_MEMBER_TEMPLATE_KEYWORD);
    PRINT_MACRO(BOOST_NO_MS_INT64_NUMERIC_LIMITS);
    PRINT_MACRO(BOOST_NO_NESTED_FRIENDSHIP);
-   PRINT_MACRO(BOOST_NO_CXX11_NUMERIC_LIMITS);
    PRINT_MACRO(BOOST_NO_OPERATORS_IN_NAMESPACE);
    PRINT_MACRO(BOOST_NO_PARTIAL_SPECIALIZATION_IMPLICIT_DEFAULT_ARGS);
    PRINT_MACRO(BOOST_NO_POINTER_TO_MEMBER_CONST);
@@ -1116,6 +1117,7 @@ void print_boost_macros()
 
 
 
+
 
 
    // END GENERATED BLOCK

test/has_int128_fail.cpp

@@ -0,0 +1,37 @@
+//  This file was automatically generated on Thu Oct 25 10:14:36 2012
+//  by libs/config/tools/generate.cpp
+//  Copyright John Maddock 2002-4.
+//  Use, modification and distribution are subject to the 
+//  Boost Software License, Version 1.0. (See accompanying file 
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org/libs/config for the most recent version.//
+//  Revision $Id$
+//
+
+
+// Test file for macro BOOST_HAS_INT128
+// This file should not compile, if it does then
+// BOOST_HAS_INT128 should be defined.
+// See file boost_has_int128.ipp for details
+
+// Must not have BOOST_ASSERT_CONFIG set; it defeats
+// the objective of this file:
+#ifdef BOOST_ASSERT_CONFIG
+#  undef BOOST_ASSERT_CONFIG
+#endif
+
+#include <boost/config.hpp>
+#include "test.hpp"
+
+#ifndef BOOST_HAS_INT128
+#include "boost_has_int128.ipp"
+#else
+#error "this file should not compile"
+#endif
+
+int main( int, char *[] )
+{
+   return boost_has_int128::test();
+}
+

test/has_int128_pass.cpp

@@ -0,0 +1,37 @@
+//  This file was automatically generated on Thu Oct 25 10:14:36 2012
+//  by libs/config/tools/generate.cpp
+//  Copyright John Maddock 2002-4.
+//  Use, modification and distribution are subject to the 
+//  Boost Software License, Version 1.0. (See accompanying file 
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org/libs/config for the most recent version.//
+//  Revision $Id$
+//
+
+
+// Test file for macro BOOST_HAS_INT128
+// This file should compile, if it does not then
+// BOOST_HAS_INT128 should not be defined.
+// See file boost_has_int128.ipp for details
+
+// Must not have BOOST_ASSERT_CONFIG set; it defeats
+// the objective of this file:
+#ifdef BOOST_ASSERT_CONFIG
+#  undef BOOST_ASSERT_CONFIG
+#endif
+
+#include <boost/config.hpp>
+#include "test.hpp"
+
+#ifdef BOOST_HAS_INT128
+#include "boost_has_int128.ipp"
+#else
+namespace boost_has_int128 = empty_boost;
+#endif
+
+int main( int, char *[] )
+{
+   return boost_has_int128::test();
+}
+