diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index 26df6fe58..1304bd741 100644
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,10 @@
+2006-09-26  Mark Shinwell  <shinwell@codesourcery.com>
+            Joseph Myers  <joseph@codesourcery.com>
+            Ian Lance Taylor  <ian@wasabisystems.com>
+            Ben Elliston  <bje@wasabisystems.com>
+
+	* arm.h (ARM_CEXT_IWMMXT2, ARM_ARCH_IWMMXT2): Define.
+
 2006-09-17  Mei Ligang  <ligang@sunnorth.com.cn>
 
 	* score-datadep.h: New file.
diff --git a/include/opcode/arm.h b/include/opcode/arm.h
index f142fca9a..24a89cfcb 100644
--- a/include/opcode/arm.h
+++ b/include/opcode/arm.h
@@ -49,6 +49,7 @@
 #define ARM_CEXT_XSCALE   0x00000001	/* Allow MIA etc.          */
 #define ARM_CEXT_MAVERICK 0x00000002	/* Use Cirrus/DSP coprocessor.  */
 #define ARM_CEXT_IWMMXT   0x00000004    /* Intel Wireless MMX technology coprocessor.   */
+#define ARM_CEXT_IWMMXT2  0x00000008    /* Intel Wireless MMX technology coprocessor version 2.   */
 
 #define FPU_ENDIAN_PURE	 0x80000000	/* Pure-endian doubles.	      */
 #define FPU_ENDIAN_BIG	 0		/* Double words-big-endian.   */
@@ -103,6 +104,8 @@
 #define ARM_ARCH_XSCALE	ARM_FEATURE (ARM_AEXT_V5TE, ARM_CEXT_XSCALE)
 #define ARM_ARCH_IWMMXT	\
  ARM_FEATURE (ARM_AEXT_V5TE, ARM_CEXT_XSCALE | ARM_CEXT_IWMMXT)
+#define ARM_ARCH_IWMMXT2	\
+ ARM_FEATURE (ARM_AEXT_V5TE, ARM_CEXT_XSCALE | ARM_CEXT_IWMMXT | ARM_CEXT_IWMMXT2)
 
 #define FPU_VFP_V1xD	(FPU_VFP_EXT_V1xD | FPU_ENDIAN_PURE)
 #define FPU_VFP_V1	(FPU_VFP_V1xD | FPU_VFP_EXT_V1)