diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index 18aee1ff3..467cc5b60 100644
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,7 @@
+2008-08-01  Peter Bergner  <bergner@vnet.ibm.com>
+
+	* ppc.h (PPC_OPCODE_VSX, PPC_OPERAND_VSR): New.
+
 2008-07-30  Michael J. Eager  <eager@eagercon.com>
 
 	* ppc.h (PPC_OPCODE_405): Define.
diff --git a/include/opcode/ppc.h b/include/opcode/ppc.h
index a6b368ab0..0296b5967 100644
--- a/include/opcode/ppc.h
+++ b/include/opcode/ppc.h
@@ -157,6 +157,9 @@ extern const int powerpc_num_opcodes;
 /* Opcode is supported by PowerPC 405 processor.  */
 #define PPC_OPCODE_405		 0x40000000
 
+/* Opcode is supported by Vector-Scalar (VSX) Unit */
+#define PPC_OPCODE_VSX		 0x80000000
+
 /* A macro to extract the major opcode from an instruction.  */
 #define PPC_OP(i) (((i) >> 26) & 0x3f)
 
@@ -312,6 +315,10 @@ extern const unsigned int num_powerpc_operands;
 #define PPC_OPERAND_FSL (0x20000)
 #define PPC_OPERAND_FCR (0x40000)
 #define PPC_OPERAND_UDI (0x80000)
+
+/* This operand names a vector-scalar unit register.  The disassembler
+   prints these with a leading 'vs'.  */
+#define PPC_OPERAND_VSR (0x100000)
 
 /* The POWER and PowerPC assemblers use a few macros.  We keep them
    with the operands table for simplicity.  The macro table is an