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+/*
+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 BOOST_PREDEF_HARDWARE_SIMD_X86_AMD_H
+#define BOOST_PREDEF_HARDWARE_SIMD_X86_AMD_H
+
+#include <boost/predef/version_number.h>
+#include <boost/predef/hardware/simd/x86_amd/versions.h>
+
+/*`
+ [heading `BOOST_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__]]
+
+ [[`BOOST_HW_SIMD_X86`] [__predef_detection__]]
+ ]
+
+ [table
+ [[__predef_symbol__] [__predef_version__]]
+
+ [[`__SSE4A__`] [BOOST_HW_SIMD_X86_SSE4A_VERSION]]
+
+ [[`__FMA4__`] [BOOST_HW_SIMD_X86_FMA4_VERSION]]
+
+ [[`__XOP__`] [BOOST_HW_SIMD_X86_XOP_VERSION]]
+
+ [[`BOOST_HW_SIMD_X86`] [BOOST_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 `BOOST_HW_SIMD_X86` to test if those specific extensions have
+ been detected.]
+
+ */
+
+#define BOOST_HW_SIMD_X86_AMD BOOST_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 BOOST_HW_SIMD_X86_AMD
+#if !defined(BOOST_HW_SIMD_X86_AMD) && defined(__XOP__)
+# define BOOST_HW_SIMD_X86_AMD BOOST_HW_SIMD_X86_AMD_XOP_VERSION
+#endif
+#if !defined(BOOST_HW_SIMD_X86_AMD) && defined(__FMA4__)
+# define BOOST_HW_SIMD_X86_AMD BOOST_HW_SIMD_X86_AMD_FMA4_VERSION
+#endif
+#if !defined(BOOST_HW_SIMD_X86_AMD) && defined(__SSE4A__)
+# define BOOST_HW_SIMD_X86_AMD BOOST_HW_SIMD_X86_AMD_SSE4A_VERSION
+#endif
+
+#if !defined(BOOST_HW_SIMD_X86_AMD)
+# define BOOST_HW_SIMD_X86_AMD BOOST_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 <boost/predef/hardware/simd/x86.h>
+# if BOOST_HW_SIMD_X86 > BOOST_HW_SIMD_X86_AMD
+# undef BOOST_HW_SIMD_X86_AMD
+# define BOOST_HW_SIMD_X86_AMD BOOST_HW_SIMD_X86
+# endif
+# define BOOST_HW_SIMD_X86_AMD_AVAILABLE
+#endif
+
+#define BOOST_HW_SIMD_X86_AMD_NAME "x86 (AMD) SIMD"
+
+#endif
+
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_HW_SIMD_X86_AMD, BOOST_HW_SIMD_X86_AMD_NAME)