diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6b37b4b4cf3..9e78f040546 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,9 @@
 2012-10-09  Nick Clifton  <nickc@redhat.com>
 
+	PR rtl-optimization/54739
+	* config/mcore/mcore.md: (anddi3, iordi3, xordi3): Delete
+	patterns.
+
 	PR target/54661
 	* config/mcore/mcore.c (mcore_output_movedouble): Fix typo.
 
diff --git a/gcc/config/mcore/mcore.md b/gcc/config/mcore/mcore.md
index 68169f5a32f..c41b4892569 100644
--- a/gcc/config/mcore/mcore.md
+++ b/gcc/config/mcore/mcore.md
@@ -465,33 +465,6 @@
   ""
   "xor	%0,%2")
 
-; these patterns give better code then gcc invents if
-; left to its own devices
-
-(define_insn "anddi3"
-  [(set (match_operand:DI 0 "mcore_arith_reg_operand" "=r")
-	(and:DI (match_operand:DI 1 "mcore_arith_reg_operand" "%0")
-		(match_operand:DI 2 "mcore_arith_reg_operand" "r")))]
-  ""
-  "and	%0,%2\;and	%R0,%R2"
-  [(set_attr "length" "4")])
-
-(define_insn "iordi3"
-  [(set (match_operand:DI 0 "mcore_arith_reg_operand" "=r")
-	(ior:DI (match_operand:DI 1 "mcore_arith_reg_operand" "%0")
-		(match_operand:DI 2 "mcore_arith_reg_operand" "r")))]
-  ""
-  "or	%0,%2\;or	%R0,%R2"
-  [(set_attr "length" "4")])
-
-(define_insn "xordi3"
-  [(set (match_operand:DI 0 "mcore_arith_reg_operand" "=r")
-	(xor:DI (match_operand:DI 1 "mcore_arith_reg_operand" "%0")
-		(match_operand:DI 2 "mcore_arith_reg_operand" "r")))]
-  ""
-  "xor	%0,%2\;xor	%R0,%R2"
-  [(set_attr "length" "4")])
-
 ;; -------------------------------------------------------------------------
 ;; Shifts and rotates
 ;; -------------------------------------------------------------------------