diff --git a/include/boost/predef/architecture/arm.h b/include/boost/predef/architecture/arm.h
index 8b10b40..671cb67 100644
--- a/include/boost/predef/architecture/arm.h
+++ b/include/boost/predef/architecture/arm.h
@@ -21,35 +21,68 @@ http://www.boost.org/LICENSE_1_0.txt)
 [table
     [[__predef_symbol__] [__predef_version__]]
 
-    [[`__arm__`] [__predef_detection__]]
-    [[`__arm64`] [__predef_detection__]]
-    [[`__thumb__`] [__predef_detection__]]
+    [[`__ARM_ARCH`] [__predef_detection__]]
     [[`__TARGET_ARCH_ARM`] [__predef_detection__]]
     [[`__TARGET_ARCH_THUMB`] [__predef_detection__]]
     [[`_M_ARM`] [__predef_detection__]]
+    [[`__arm__`] [__predef_detection__]]
+    [[`__arm64`] [__predef_detection__]]
+    [[`__thumb__`] [__predef_detection__]]
     [[`_M_ARM64`] [__predef_detection__]]
     [[`__aarch64__`] [__predef_detection__]]
+    [[`__AARCH64EL__`] [__predef_detection__]]
+    [[`__ARM_ARCH_7__`] [__predef_detection__]]
+    [[`__ARM_ARCH_7A__`] [__predef_detection__]]
+    [[`__ARM_ARCH_7R__`] [__predef_detection__]]
+    [[`__ARM_ARCH_7M__`] [__predef_detection__]]
+    [[`__ARM_ARCH_6K__`] [__predef_detection__]]
+    [[`__ARM_ARCH_6Z__`] [__predef_detection__]]
+    [[`__ARM_ARCH_6KZ__`] [__predef_detection__]]
+    [[`__ARM_ARCH_6T2__`] [__predef_detection__]]
+    [[`__ARM_ARCH_5TE__`] [__predef_detection__]]
+    [[`__ARM_ARCH_5TEJ__`] [__predef_detection__]]
+    [[`__ARM_ARCH_4T__`] [__predef_detection__]]
+    [[`__ARM_ARCH_4__`] [__predef_detection__]]
 
-    [[`__arm64`] [8.0.0]]
+    [[`__ARM_ARCH`] [V.0.0]]
     [[`__TARGET_ARCH_ARM`] [V.0.0]]
     [[`__TARGET_ARCH_THUMB`] [V.0.0]]
-    [[`__ARM_ARCH`] [V.0.0]]
     [[`_M_ARM`] [V.0.0]]
+    [[`__arm64`] [8.0.0]]
     [[`_M_ARM64`] [8.0.0]]
     [[`__aarch64__`] [8.0.0]]
+    [[`__AARCH64EL__`] [8.0.0]]
+    [[`__ARM_ARCH_7__`] [7.0.0]]
+    [[`__ARM_ARCH_7A__`] [7.0.0]]
+    [[`__ARM_ARCH_7R__`] [7.0.0]]
+    [[`__ARM_ARCH_7M__`] [7.0.0]]
+    [[`__ARM_ARCH_6K__`] [6.0.0]]
+    [[`__ARM_ARCH_6Z__`] [6.0.0]]
+    [[`__ARM_ARCH_6KZ__`] [6.0.0]]
+    [[`__ARM_ARCH_6T2__`] [6.0.0]]
+    [[`__ARM_ARCH_5TE__`] [5.0.0]]
+    [[`__ARM_ARCH_5TEJ__`] [5.0.0]]
+    [[`__ARM_ARCH_4T__`] [4.0.0]]
+    [[`__ARM_ARCH_4__`] [4.0.0]]
     ]
  */
 
 #define BOOST_ARCH_ARM BOOST_VERSION_NUMBER_NOT_AVAILABLE
 
-#if defined(__arm__) || defined(__arm64) || defined(__thumb__) || \
-    defined(__TARGET_ARCH_ARM) || defined(__TARGET_ARCH_THUMB) || \
-    defined(__ARM_ARCH) || \
-    defined(_M_ARM) || defined(_M_ARM64) || \
-    defined(__aarch64__)
+#if \
+    defined(__ARM_ARCH) || defined(__TARGET_ARCH_ARM) || \
+    defined(__TARGET_ARCH_THUMB) || defined(_M_ARM) || \
+    defined(__arm__) || defined(__arm64) || defined(__thumb__) || \
+    defined(_M_ARM64) || defined(__aarch64__) || defined(__AARCH64EL__) || \
+    defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || \
+    defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) || \
+    defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) || \
+    defined(__ARM_ARCH_6KZ__) || defined(__ARM_ARCH_6T2__) || \
+    defined(__ARM_ARCH_5TE__) || defined(__ARM_ARCH_5TEJ__) || \
+    defined(__ARM_ARCH_4T__) || defined(__ARM_ARCH_4__)
 #   undef BOOST_ARCH_ARM
-#   if !defined(BOOST_ARCH_ARM) && defined(__arm64)
-#       define BOOST_ARCH_ARM BOOST_VERSION_NUMBER(8,0,0)
+#   if !defined(BOOST_ARCH_ARM) && defined(__ARM_ARCH)
+#       define BOOST_ARCH_ARM BOOST_VERSION_NUMBER(__ARM_ARCH,0,0)
 #   endif
 #   if !defined(BOOST_ARCH_ARM) && defined(__TARGET_ARCH_ARM)
 #       define BOOST_ARCH_ARM BOOST_VERSION_NUMBER(__TARGET_ARCH_ARM,0,0)
@@ -57,18 +90,32 @@ http://www.boost.org/LICENSE_1_0.txt)
 #   if !defined(BOOST_ARCH_ARM) && defined(__TARGET_ARCH_THUMB)
 #       define BOOST_ARCH_ARM BOOST_VERSION_NUMBER(__TARGET_ARCH_THUMB,0,0)
 #   endif
-#   if !defined(BOOST_ARCH_ARM) && defined(__ARM_ARCH)
-#       define BOOST_ARCH_ARM BOOST_VERSION_NUMBER(__ARM_ARCH,0,0)
-#   endif
-#   if !defined(BOOST_ARCH_ARM) && defined(_M_ARM64)
-#       define BOOST_ARCH_ARM BOOST_VERSION_NUMBER(8,0,0)
-#   endif
 #   if !defined(BOOST_ARCH_ARM) && defined(_M_ARM)
 #       define BOOST_ARCH_ARM BOOST_VERSION_NUMBER(_M_ARM,0,0)
 #   endif
-#   if !defined(BOOST_ARCH_ARM) && defined(__aarch64__)
+#   if !defined(BOOST_ARCH_ARM) && ( \
+        defined(__arm64) || defined(_M_ARM64) || defined(__aarch64__) || \
+        defined(__AARCH64EL__) )
 #       define BOOST_ARCH_ARM BOOST_VERSION_NUMBER(8,0,0)
 #   endif
+#   if !defined(BOOST_ARCH_ARM) && ( \
+    defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || \
+    defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) )
+#       define BOOST_ARCH_ARM BOOST_VERSION_NUMBER(7,0,0)
+#   endif
+#   if !defined(BOOST_ARCH_ARM) && ( \
+    defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) || \
+    defined(__ARM_ARCH_6KZ__) || defined(__ARM_ARCH_6T2__) )
+#       define BOOST_ARCH_ARM BOOST_VERSION_NUMBER(6,0,0)
+#   endif
+#   if !defined(BOOST_ARCH_ARM) && ( \
+    defined(__ARM_ARCH_5TE__) || defined(__ARM_ARCH_5TEJ__) )
+#       define BOOST_ARCH_ARM BOOST_VERSION_NUMBER(5,0,0)
+#   endif
+#   if !defined(BOOST_ARCH_ARM) && ( \
+    defined(__ARM_ARCH_4T__) || defined(__ARM_ARCH_4__) )
+#       define BOOST_ARCH_ARM BOOST_VERSION_NUMBER(4,0,0)
+#   endif
 #   if !defined(BOOST_ARCH_ARM)
 #       define BOOST_ARCH_ARM BOOST_VERSION_NUMBER_AVAILABLE
 #   endif