From e29bfedc3e0ec635772952d77d0b48faad0d1f98 Mon Sep 17 00:00:00 2001
From: Charly Chevalier <charly.chevalier@numscale.com>
Date: Wed, 8 Jul 2015 16:53:17 +0200
Subject: [PATCH] x86: Add SSE4.2 predef

---
 .../boost/predef/hardware/simd/x86/sse4_2.h   | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/include/boost/predef/hardware/simd/x86/sse4_2.h b/include/boost/predef/hardware/simd/x86/sse4_2.h
index add11f8..281d2bd 100644
--- a/include/boost/predef/hardware/simd/x86/sse4_2.h
+++ b/include/boost/predef/hardware/simd/x86/sse4_2.h
@@ -9,4 +9,41 @@ http://www.boost.org/LICENSE_1_0.txt)
 #ifndef BOOST_PREDEF_HARDWARE_SIMD_X86_SSE4_2_H
 #define BOOST_PREDEF_HARDWARE_SIMD_X86_SSE4_2_H
 
+#include <boost/predef/version_number.h>
+
+/*`
+ [heading `BOOST_HW_SIMD_X86_SSE4_2`]
+
+ [@https://en.wikipedia.org/wiki/SSE4##SSE4.2 SSE4_2] x86 extension.
+ Version number is: 4.1.0.
+
+ [table
+     [[__predef_symbol__] [__predef_version__]]
+
+     [[`__SSE4_2__`] [__predef_detection__]]
+     ]
+ */
+
+#define BOOST_HW_SIMD_X86_SSE4_2 BOOST_VERSION_NUMBER_NOT_AVAILABLE
+
+#if defined(__SSE4_2__)
+#   undef BOOST_HW_SIMD_X86_SSE4_2
+#   define BOOST_HW_SIMD_X86_SSE4_2 BOOST_VERSION_NUMBER(4, 2, 0)
+#   define BOOST_HW_SIMD_X86_SSE4_2_AVAILABLE
 #endif
+
+#define BOOST_HW_SIMD_X86_SSE4_2_NAME "SSE4.2"
+
+#if !defined(BOOST_HW_SIMD_X86) && defined(BOOST_HW_SIMD_X86_SSE4_2_AVAILABLE)
+#   define BOOST_HW_SIMD_X86 BOOST_HW_SIMD_X86_SSE4_2
+#   define BOOST_HW_SIMD_X86_NAME BOOST_HW_SIMD_X86_SSE4_2_NAME
+#endif
+
+#if defined(BOOST_HW_SIMD_X86_SSE4_2_AVAILABLE)
+#   include <nmmintrin.h>
+#endif
+
+#endif
+
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_HW_SIMD_X86_SSE4_2, BOOST_HW_SIMD_X86_SSE4_2_NAME)