diff --git a/gcc/config/a29k/a29k.md b/gcc/config/a29k/a29k.md
index ca1decc586e..a6dbad1d5b2 100644
--- a/gcc/config/a29k/a29k.md
+++ b/gcc/config/a29k/a29k.md
@@ -1193,6 +1193,28 @@
 { operands[3] = operand_subword (operands[0], 1, 1, DImode);
   operands[4] = operand_subword (operands[1], 0, 1, DImode); } ")
 			    
+(define_insn "smulsi3_highpart"
+  [(set (match_operand:SI 0 "gpc_reg_operand" "=r")
+	(truncate:SI
+	 (lshiftrt:DI
+	  (mult:DI (sign_extend:DI (match_operand:SI 1 "gpc_reg_operand" "%r"))
+		   (sign_extend:DI (match_operand:SI 2 "gpc_reg_operand" "r")))
+	  (const_int 32))))
+   (clobber (match_scratch:SI 3 "=&q"))]
+  ""
+  "multm %0,%1,%2")
+
+(define_insn "umulsi3_highpart"
+  [(set (match_operand:SI 0 "gpc_reg_operand" "=r")
+	(truncate:SI
+	 (lshiftrt:DI
+	  (mult:DI (zero_extend:DI (match_operand:SI 1 "gpc_reg_operand" "%r"))
+		   (zero_extend:DI (match_operand:SI 2 "gpc_reg_operand" "r")))
+	  (const_int 32))))
+   (clobber (match_scratch:SI 3 "=&q"))]
+  ""
+  "multmu %0,%1,%2")
+
 ;; NAND
 (define_insn ""
   [(set (match_operand:SI 0 "gpc_reg_operand" "=r")