diff --git a/Source/Core/Core/Src/PowerPC/Jit64IL/IR.cpp b/Source/Core/Core/Src/PowerPC/Jit64IL/IR.cpp
index bbbb312b20..2e554a3ac2 100644
--- a/Source/Core/Core/Src/PowerPC/Jit64IL/IR.cpp
+++ b/Source/Core/Core/Src/PowerPC/Jit64IL/IR.cpp
@@ -1144,19 +1144,20 @@ void IRBuilder::simplifyCommutative(unsigned Opcode, InstLoc& Op1, InstLoc& Op2)
 		Op2 = FoldBiOp(Opcode, getOp2(Op1Old), getOp2(Op2Old));
 	}
 
-	// ((w op x) op (y op z)) => (((w op x) op y) op z)
-	if (getOpcode(*Op1) == Opcode && getOpcode(*Op2) == Opcode) {
-		// Sort the operands where the complexities will be descending order.
-		std::pair<unsigned, InstLoc> ops[4];
-		ops[0] = std::make_pair(getComplexity(getOp1(Op1)), getOp1(Op1));
-		ops[1] = std::make_pair(getComplexity(getOp2(Op1)), getOp2(Op1));
-		ops[2] = std::make_pair(getComplexity(getOp1(Op2)), getOp1(Op2));
-		ops[3] = std::make_pair(getComplexity(getOp2(Op2)), getOp2(Op2));
-		std::sort(ops, ops + 4, std::greater<std::pair<unsigned, InstLoc> >());
+	// FIXME: Following code has a bug.
+	//// ((w op x) op (y op z)) => (((w op x) op y) op z)
+	//if (getOpcode(*Op1) == Opcode && getOpcode(*Op2) == Opcode) {
+	//	// Sort the operands where the complexities will be descending order.
+	//	std::pair<unsigned, InstLoc> ops[4];
+	//	ops[0] = std::make_pair(getComplexity(getOp1(Op1)), getOp1(Op1));
+	//	ops[1] = std::make_pair(getComplexity(getOp2(Op1)), getOp2(Op1));
+	//	ops[2] = std::make_pair(getComplexity(getOp1(Op2)), getOp1(Op2));
+	//	ops[3] = std::make_pair(getComplexity(getOp2(Op2)), getOp2(Op2));
+	//	std::sort(ops, ops + 4, std::greater<std::pair<unsigned, InstLoc> >());
 
-		Op1 = FoldBiOp(Opcode, FoldBiOp(Opcode, ops[0].second, ops[1].second), ops[2].second);
-		Op2 = ops[3].second;
-	}
+	//	Op1 = FoldBiOp(Opcode, FoldBiOp(Opcode, ops[0].second, ops[1].second), ops[2].second);
+	//	Op2 = ops[3].second;
+	//}
 }
 
 bool IRBuilder::maskedValueIsZero(InstLoc Op1, InstLoc Op2) const {