diff --git a/include/boost/predef/hardware/simd/arm/neon.h b/include/boost/predef/hardware/simd/arm/neon.h
index 9c57f57..df454d9 100644
--- a/include/boost/predef/hardware/simd/arm/neon.h
+++ b/include/boost/predef/hardware/simd/arm/neon.h
@@ -9,4 +9,39 @@ http://www.boost.org/LICENSE_1_0.txt)
 #ifndef BOOST_PREDEF_HARDWARE_SIMD_ARM_NEON_H
 #define BOOST_PREDEF_HARDWARE_SIMD_ARM_NEON_H
 
+#include <boost/predef/version_number.h>
+
+/*`
+ [heading `BOOST_HW_SIMD_ARM_NEON`]
+
+ [@https://en.wikipedia.org/wiki/ARM_architecture#Advanced_SIMD_.28NEON.29 NEON] ARM extension.
+ Version number is: 1.0.0.
+
+ [table
+     [[__predef_symbol__] [__predef_version__]]
+
+     [[`__ARM_NEON__`] [__predef_detection__]]
+     [[`__aarch64__`] [__predef_detection__]]
+     [[`_M_ARM`] [__predef_detection__]]
+     ]
+ */
+
+#define BOOST_HW_SIMD_ARM_NEON BOOST_VERSION_NUMBER_NOT_AVAILABLE
+
+#if defined(__ARM_NEON__) || defined(__aarch64__) || defined (_M_ARM)
+#   undef BOOST_HW_SIMD_ARM_NEON
+#   define BOOST_HW_SIMD_ARM_NEON BOOST_VERSION_NUMBER(1, 0, 0)
+#   define BOOST_HW_SIMD_ARM_NEON_AVAILABLE
 #endif
+
+#define BOOST_HW_SIMD_ARM_NEON_NAME "NEON"
+
+#if !defined(BOOST_HW_SIMD_ARM) && defined(BOOST_HW_SIMD_ARM_NEON_AVAILABLE)
+#   define BOOST_HW_SIMD_ARM BOOST_HW_SIMD_ARM_NEON
+#   define BOOST_HW_SIMD_ARM_NAME BOOST_HW_SIMD_ARM_NEON_NAME
+#endif
+
+#endif
+
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_HW_SIMD_ARM_NEON, BOOST_HW_SIMD_ARM_NEON_NAME)