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diff --git a/third_party/msgpack/include/msgpack/predef/hardware/simd/x86_amd.h b/third_party/msgpack/include/msgpack/predef/hardware/simd/x86_amd.h
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+++ b/third_party/msgpack/include/msgpack/predef/hardware/simd/x86_amd.h
@@ -0,0 +1,87 @@
+/*
+Copyright Charly Chevalier 2015
+Copyright Joel Falcou 2015
+Distributed under 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)
+*/
+
+#ifndef MSGPACK_PREDEF_HARDWARE_SIMD_X86_AMD_H
+#define MSGPACK_PREDEF_HARDWARE_SIMD_X86_AMD_H
+
+#include <msgpack/predef/version_number.h>
+#include <msgpack/predef/hardware/simd/x86_amd/versions.h>
+
+/*`
+ [heading `MSGPACK_HW_SIMD_X86_AMD`]
+
+ The SIMD extension for x86 (AMD) (*if detected*).
+ Version number depends on the most recent detected extension.
+
+ [table
+     [[__predef_symbol__] [__predef_version__]]
+
+     [[`__SSE4A__`] [__predef_detection__]]
+
+     [[`__FMA4__`] [__predef_detection__]]
+
+     [[`__XOP__`] [__predef_detection__]]
+
+     [[`MSGPACK_HW_SIMD_X86`] [__predef_detection__]]
+     ]
+
+ [table
+     [[__predef_symbol__] [__predef_version__]]
+
+     [[`__SSE4A__`] [MSGPACK_HW_SIMD_X86_SSE4A_VERSION]]
+
+     [[`__FMA4__`] [MSGPACK_HW_SIMD_X86_FMA4_VERSION]]
+
+     [[`__XOP__`] [MSGPACK_HW_SIMD_X86_XOP_VERSION]]
+
+     [[`MSGPACK_HW_SIMD_X86`] [MSGPACK_HW_SIMD_X86]]
+     ]
+
+ [note This predef includes every other x86 SIMD extensions and also has other
+ more specific extensions (FMA4, XOP, SSE4a). You should use this predef
+ instead of `MSGPACK_HW_SIMD_X86` to test if those specific extensions have
+ been detected.]
+
+ */
+
+#define MSGPACK_HW_SIMD_X86_AMD MSGPACK_VERSION_NUMBER_NOT_AVAILABLE
+
+// AMD CPUs also use x86 architecture. We first try to detect if any AMD
+// specific extension are detected, if yes, then try to detect more recent x86
+// common extensions.
+
+#undef MSGPACK_HW_SIMD_X86_AMD
+#if !defined(MSGPACK_HW_SIMD_X86_AMD) && defined(__XOP__)
+#   define MSGPACK_HW_SIMD_X86_AMD MSGPACK_HW_SIMD_X86_AMD_XOP_VERSION
+#endif
+#if !defined(MSGPACK_HW_SIMD_X86_AMD) && defined(__FMA4__)
+#   define MSGPACK_HW_SIMD_X86_AMD MSGPACK_HW_SIMD_X86_AMD_FMA4_VERSION
+#endif
+#if !defined(MSGPACK_HW_SIMD_X86_AMD) && defined(__SSE4A__)
+#   define MSGPACK_HW_SIMD_X86_AMD MSGPACK_HW_SIMD_X86_AMD_SSE4A_VERSION
+#endif
+
+#if !defined(MSGPACK_HW_SIMD_X86_AMD)
+#   define MSGPACK_HW_SIMD_X86_AMD MSGPACK_VERSION_NUMBER_NOT_AVAILABLE
+#else
+    // At this point, we know that we have an AMD CPU, we do need to check for
+    // other x86 extensions to determine the final version number.
+#   include <msgpack/predef/hardware/simd/x86.h>
+#   if MSGPACK_HW_SIMD_X86 > MSGPACK_HW_SIMD_X86_AMD
+#      undef MSGPACK_HW_SIMD_X86_AMD
+#      define MSGPACK_HW_SIMD_X86_AMD MSGPACK_HW_SIMD_X86
+#   endif
+#   define MSGPACK_HW_SIMD_X86_AMD_AVAILABLE
+#endif
+
+#define MSGPACK_HW_SIMD_X86_AMD_NAME "x86 (AMD) SIMD"
+
+#endif
+
+#include <msgpack/predef/detail/test.h>
+MSGPACK_PREDEF_DECLARE_TEST(MSGPACK_HW_SIMD_X86_AMD, MSGPACK_HW_SIMD_X86_AMD_NAME)