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Quadruples

The quadruples have four fields to implement the three address code. The field of quadruples contains the name of the operator, the first source operand, the second source operand and the result respectively.

Quadruples

                Fig: Quadruples field

Example

Three-address code is as follows:

			t1 := -b
			t2 := c + d
            t3 := t1 * t2
			a := t3

These statements are represented by quadruples as follows:

Operator Source 1 Source 2 Destination
(0) uminus b - t1
(1) + c d t2
(2) * t1 t2 t3
(3) := t3 - a

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