+/* Opcode is only supported by Power5 architecture. */
+#define PPC_OPCODE_POWER5 0x1000000
+
+/* Opcode is supported by PowerPC e300 family. */
+#define PPC_OPCODE_E300 0x2000000
+
+/* Opcode is only supported by Power6 architecture. */
+#define PPC_OPCODE_POWER6 0x4000000
+
+/* Opcode is only supported by PowerPC Cell family. */
+#define PPC_OPCODE_CELL 0x8000000
+