diff --git a/include/boost/config/compiler/clang.hpp b/include/boost/config/compiler/clang.hpp
index 9d8ba7d71..4ef36a3e2 100644
--- a/include/boost/config/compiler/clang.hpp
+++ b/include/boost/config/compiler/clang.hpp
@@ -351,3 +351,11 @@
 // Macro used to identify the Clang compiler.
 #define BOOST_CLANG 1
 
+#if (__clang_major__ >= 4 || (__clang_major__ >= 3 && __clang_minor__ >= 8))
+#  define BOOST_ATTRIBUTE_TARGET(isa) __attribute__ ((target(isa)))
+#endif
+
+#if defined(__clang__) && !defined(_MSC_VER)
+#  define BOOST_ATTRIBUTE_MALLOC_FUNCTION __attribute__ ((malloc))
+#endif
+
diff --git a/include/boost/config/compiler/gcc.hpp b/include/boost/config/compiler/gcc.hpp
index da1a43229..1af756c80 100644
--- a/include/boost/config/compiler/gcc.hpp
+++ b/include/boost/config/compiler/gcc.hpp
@@ -242,7 +242,7 @@
 // C++0x features in 4.7.n and later
 //
 #if (BOOST_GCC_VERSION < 40700) || !defined(BOOST_GCC_CXX11)
-// Note that while constexpr is partly supported in gcc-4.6 it's a 
+// Note that while constexpr is partly supported in gcc-4.6 it's a
 // pre-std version with several bugs:
 #  define BOOST_NO_CXX11_CONSTEXPR
 #  define BOOST_NO_CXX11_FINAL
@@ -373,3 +373,9 @@
 #  endif
 #endif
 
+#if (BOOST_GCC_VERSION >= 40800)
+#  define BOOST_ATTRIBUTE_TARGET(isa) __attribute__ ((target(isa)))
+#endif
+
+#define BOOST_ATTRIBUTE_MALLOC_FUNCTION __attribute__ ((malloc))
+
diff --git a/include/boost/config/compiler/visualc.hpp b/include/boost/config/compiler/visualc.hpp
index 7335540db..c2e3d14b8 100644
--- a/include/boost/config/compiler/visualc.hpp
+++ b/include/boost/config/compiler/visualc.hpp
@@ -365,3 +365,8 @@
       // BOOST_PRAGMA_MESSAGE("Info: Boost.Config is older than your compiler version - probably nothing bad will happen - but you may wish to look for an updated Boost version. Define BOOST_CONFIG_SUPPRESS_OUTDATED_MESSAGE to suppress this message.")
 #  endif
 #endif
+
+
+#if defined(_MSC_VER)
+#  define BOOST_ATTRIBUTE_MALLOC_FUNCTION __declspec(restrict)
+#endif