From f6d6fd1d08885381f020f0e4a9d2e312cc5078ed Mon Sep 17 00:00:00 2001
From: Charly Chevalier <charly.chevalier@numscale.com>
Date: Wed, 8 Jul 2015 16:54:35 +0200
Subject: [PATCH] x86: Add AVX2 predef

---
 include/boost/predef/hardware/simd/x86/avx2.h | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/include/boost/predef/hardware/simd/x86/avx2.h b/include/boost/predef/hardware/simd/x86/avx2.h
index 6171459..a370dcb 100644
--- a/include/boost/predef/hardware/simd/x86/avx2.h
+++ b/include/boost/predef/hardware/simd/x86/avx2.h
@@ -9,4 +9,45 @@ http://www.boost.org/LICENSE_1_0.txt)
 #ifndef BOOST_PREDEF_HARDWARE_SIMD_X86_AVX2_H
 #define BOOST_PREDEF_HARDWARE_SIMD_X86_AVX2_H
 
+#include <boost/predef/version_number.h>
+#include <boost/predef/compiler.h>
+
+/*`
+ [heading `BOOST_HW_SIMD_X86_AVX2`]
+
+ [@https://en.wikipedia.org/wiki/Advanced_Vector_Extensions#Advanced_Vector_Extensions_2 AVX2] x86 extension.
+ Version number is: 5.2.0. Not available for version of MSVC below 17.00.
+
+ [table
+     [[__predef_symbol__] [__predef_version__]]
+
+     [[`__AVX2__`] [__predef_detection__]]
+     ]
+ */
+
+#define BOOST_HW_SIMD_X86_AVX2 BOOST_VERSION_NUMBER_NOT_AVAILABLE
+
+#if defined(__AVX2__)
+#   undef BOOST_HW_SIMD_X86_AVX2
+#   if defined(BOOST_COMP_MSVC_AVAILABLE) && BOOST_COMP_MSVC > BOOST_VERSION_NUMBER(17, 0, 0)\
+       || !defined(BOOST_COMP_MSVC_AVAILABLE)
+#      define BOOST_HW_SIMD_X86_AVX2 BOOST_VERSION_NUMBER(5, 2, 0)
+#      define BOOST_HW_SIMD_X86_AVX2_AVAILABLE
+#   endif
 #endif
+
+#define BOOST_HW_SIMD_X86_AVX2_NAME "AVX2"
+
+#if !defined(BOOST_HW_SIMD_X86) && defined(BOOST_HW_SIMD_X86_AVX2_AVAILABLE)
+#   define BOOST_HW_SIMD_X86 BOOST_HW_SIMD_X86_AVX2
+#   define BOOST_HW_SIMD_X86_NAME BOOST_HW_SIMD_X86_AVX2_NAME
+#endif
+
+#if defined(BOOST_HW_SIMD_X86_AVX2_AVAILABLE)
+#   include <immintrin.h>
+#endif
+
+#endif
+
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_HW_SIMD_X86_AVX2, BOOST_HW_SIMD_X86_AVX2_NAME)