diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index 321239a55..ebe33dcaa 100644
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,7 @@
+2013-01-30  Yufeng Zhang  <yufeng.zhang@arm.com>
+
+	* aarch64.h (aarch64_op): Add OP_SXTL, OP_SXTL2, OP_UXTL and OP_UXTL2.
+
 2013-01-28  Alexis Deruelle  <alexis.deruelle@gmail.com>
 
 	PR gas/15069
diff --git a/include/opcode/aarch64.h b/include/opcode/aarch64.h
index 9005c8cdd..941e67814 100644
--- a/include/opcode/aarch64.h
+++ b/include/opcode/aarch64.h
@@ -1,6 +1,6 @@
 /* AArch64 assembler/disassembler support.
 
-   Copyright 2009, 2010, 2011, 2012  Free Software Foundation, Inc.
+   Copyright 2009, 2010, 2011, 2012, 2013  Free Software Foundation, Inc.
    Contributed by ARM Ltd.
 
    This file is part of GNU Binutils.
@@ -424,6 +424,11 @@ enum aarch64_op
 
   OP_ROR_IMM,
 
+  OP_SXTL,
+  OP_SXTL2,
+  OP_UXTL,
+  OP_UXTL2,
+
   OP_TOTAL_NUM,		/* Pseudo.  */
 };