.. highlight:: c

.. _pragma_loop_unroll:

Unroll Loop
-------------------------------

**Syntax**

``#pragma LEGUP loop unroll factor(<int>)``

**Description**

Specifies a loop to be unrolled.

**Parameters**

+------------+---------+----------+---------+--------------+
| Parameter  |  Value  | Optional | Default | Description  |
+============+=========+==========+=========+==============+
| ``factor`` | Integer | Yes      | 1       | Unroll count |
+------------+---------+----------+---------+--------------+

**Position**

Before the beginning of the loop.

.. Note::

  If there is a loop label, the pragma should be placed after the label.


**Examples**

.. code-block:: c

  #pragma LEGUP loop unroll
  for (int i = 0; i < 10; i++) {
    ...
  }

.. code-block:: c

  LOOP_LABEL:
  #pragma LEGUP loop unroll factor(2)
  while (i < 10) {
    ...
  }

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