diff --git a/qemu/target/mips/translate.c b/qemu/target/mips/translate.c
index 8cf6e41a..6f711f40 100644
--- a/qemu/target/mips/translate.c
+++ b/qemu/target/mips/translate.c
@@ -24143,6 +24143,16 @@ static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx)
 #define MXU_OPTN2_HW    2
 #define MXU_OPTN2_XW    3
 
+/* MXU operand getting pattern 'optn3' */
+#define MXU_OPTN3_PTN0  0
+#define MXU_OPTN3_PTN1  1
+#define MXU_OPTN3_PTN2  2
+#define MXU_OPTN3_PTN3  3
+#define MXU_OPTN3_PTN4  4
+#define MXU_OPTN3_PTN5  5
+#define MXU_OPTN3_PTN6  6
+#define MXU_OPTN3_PTN7  7
+
 
 /*
  *