diff --git a/jerry-core/vm/opcodes-ecma-relational.c b/jerry-core/vm/opcodes-ecma-relational.c
index 67969e08a4..04112e4320 100644
--- a/jerry-core/vm/opcodes-ecma-relational.c
+++ b/jerry-core/vm/opcodes-ecma-relational.c
@@ -44,15 +44,6 @@ opfunc_less_than (ecma_value_t left_value, /**< left value */
   JERRY_ASSERT (!ECMA_IS_VALUE_ERROR (left_value)
                 && !ECMA_IS_VALUE_ERROR (right_value));
 
-  if (ecma_are_values_integer_numbers (left_value, right_value))
-  {
-    if ((ecma_integer_value_t) left_value < (ecma_integer_value_t) right_value)
-    {
-      return ecma_make_simple_value (ECMA_SIMPLE_VALUE_TRUE);
-    }
-    return ecma_make_simple_value (ECMA_SIMPLE_VALUE_FALSE);
-  }
-
   ecma_value_t ret_value = ecma_op_abstract_relational_compare (left_value, right_value, true);
 
   if (ECMA_IS_VALUE_ERROR (ret_value))
@@ -87,15 +78,6 @@ opfunc_greater_than (ecma_value_t left_value, /**< left value */
   JERRY_ASSERT (!ECMA_IS_VALUE_ERROR (left_value)
                 && !ECMA_IS_VALUE_ERROR (right_value));
 
-  if (ecma_are_values_integer_numbers (left_value, right_value))
-  {
-    if ((ecma_integer_value_t) left_value > (ecma_integer_value_t) right_value)
-    {
-      return ecma_make_simple_value (ECMA_SIMPLE_VALUE_TRUE);
-    }
-    return ecma_make_simple_value (ECMA_SIMPLE_VALUE_FALSE);
-  }
-
   ecma_value_t ret_value = ecma_op_abstract_relational_compare (left_value, right_value, false);
 
   if (ECMA_IS_VALUE_ERROR (ret_value))
@@ -130,15 +112,6 @@ opfunc_less_or_equal_than (ecma_value_t left_value, /**< left value */
   JERRY_ASSERT (!ECMA_IS_VALUE_ERROR (left_value)
                 && !ECMA_IS_VALUE_ERROR (right_value));
 
-  if (ecma_are_values_integer_numbers (left_value, right_value))
-  {
-    if ((ecma_integer_value_t) left_value <= (ecma_integer_value_t) right_value)
-    {
-      return ecma_make_simple_value (ECMA_SIMPLE_VALUE_TRUE);
-    }
-    return ecma_make_simple_value (ECMA_SIMPLE_VALUE_FALSE);
-  }
-
   ecma_value_t ret_value = ecma_op_abstract_relational_compare (left_value, right_value, false);
 
   if (ECMA_IS_VALUE_ERROR (ret_value))
@@ -175,15 +148,6 @@ opfunc_greater_or_equal_than (ecma_value_t left_value, /**< left value */
   JERRY_ASSERT (!ECMA_IS_VALUE_ERROR (left_value)
                 && !ECMA_IS_VALUE_ERROR (right_value));
 
-  if (ecma_are_values_integer_numbers (left_value, right_value))
-  {
-    if ((ecma_integer_value_t) left_value >= (ecma_integer_value_t) right_value)
-    {
-      return ecma_make_simple_value (ECMA_SIMPLE_VALUE_TRUE);
-    }
-    return ecma_make_simple_value (ECMA_SIMPLE_VALUE_FALSE);
-  }
-
   ecma_value_t ret_value = ecma_op_abstract_relational_compare (left_value, right_value, true);
 
   if (ECMA_IS_VALUE_ERROR (ret_value))
diff --git a/jerry-core/vm/vm.c b/jerry-core/vm/vm.c
index cf98cc725f..15a8e45b97 100644
--- a/jerry-core/vm/vm.c
+++ b/jerry-core/vm/vm.c
@@ -1968,6 +1968,24 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
         }
         case VM_OC_LESS:
         {
+          if (ecma_are_values_integer_numbers (left_value, right_value))
+          {
+            ecma_integer_value_t left_integer = (ecma_integer_value_t) left_value;
+            ecma_integer_value_t right_integer = (ecma_integer_value_t) right_value;
+
+            *stack_top_p++ = ecma_make_boolean_value (left_integer < right_integer);
+            continue;
+          }
+
+          if (ecma_is_value_number (left_value) && ecma_is_value_number (right_value))
+          {
+            ecma_number_t left_number = ecma_get_number_from_value (left_value);
+            ecma_number_t right_number = ecma_get_number_from_value (right_value);
+
+            *stack_top_p++ = ecma_make_boolean_value (left_number < right_number);
+            goto free_both_values;
+          }
+
           result = opfunc_less_than (left_value, right_value);
 
           if (ECMA_IS_VALUE_ERROR (result))
@@ -1980,6 +1998,24 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
         }
         case VM_OC_GREATER:
         {
+          if (ecma_are_values_integer_numbers (left_value, right_value))
+          {
+            ecma_integer_value_t left_integer = (ecma_integer_value_t) left_value;
+            ecma_integer_value_t right_integer = (ecma_integer_value_t) right_value;
+
+            *stack_top_p++ = ecma_make_boolean_value (left_integer > right_integer);
+            continue;
+          }
+
+          if (ecma_is_value_number (left_value) && ecma_is_value_number (right_value))
+          {
+            ecma_number_t left_number = ecma_get_number_from_value (left_value);
+            ecma_number_t right_number = ecma_get_number_from_value (right_value);
+
+            *stack_top_p++ = ecma_make_boolean_value (left_number > right_number);
+            goto free_both_values;
+          }
+
           result = opfunc_greater_than (left_value, right_value);
 
           if (ECMA_IS_VALUE_ERROR (result))
@@ -1992,6 +2028,24 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
         }
         case VM_OC_LESS_EQUAL:
         {
+          if (ecma_are_values_integer_numbers (left_value, right_value))
+          {
+            ecma_integer_value_t left_integer = (ecma_integer_value_t) left_value;
+            ecma_integer_value_t right_integer = (ecma_integer_value_t) right_value;
+
+            *stack_top_p++ = ecma_make_boolean_value (left_integer <= right_integer);
+            continue;
+          }
+
+          if (ecma_is_value_number (left_value) && ecma_is_value_number (right_value))
+          {
+            ecma_number_t left_number = ecma_get_number_from_value (left_value);
+            ecma_number_t right_number = ecma_get_number_from_value (right_value);
+
+            *stack_top_p++ = ecma_make_boolean_value (left_number <= right_number);
+            goto free_both_values;
+          }
+
           result = opfunc_less_or_equal_than (left_value, right_value);
 
           if (ECMA_IS_VALUE_ERROR (result))
@@ -2004,6 +2058,24 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
         }
         case VM_OC_GREATER_EQUAL:
         {
+          if (ecma_are_values_integer_numbers (left_value, right_value))
+          {
+            ecma_integer_value_t left_integer = (ecma_integer_value_t) left_value;
+            ecma_integer_value_t right_integer = (ecma_integer_value_t) right_value;
+
+            *stack_top_p++ = ecma_make_boolean_value (left_integer >= right_integer);
+            continue;
+          }
+
+          if (ecma_is_value_number (left_value) && ecma_is_value_number (right_value))
+          {
+            ecma_number_t left_number = ecma_get_number_from_value (left_value);
+            ecma_number_t right_number = ecma_get_number_from_value (right_value);
+
+            *stack_top_p++ = ecma_make_boolean_value (left_number >= right_number);
+            goto free_both_values;
+          }
+
           result = opfunc_greater_or_equal_than (left_value, right_value);
 
           if (ECMA_IS_VALUE_ERROR (result))