Question

How does the compiler perform arithmetic operations on 64-bit data types?

a.

By using specialized sequences to perform arithmetic operations on them.

b.

By representing full operands as several 32-bit integers.

c.

By using advanced processor enhancements such as SSE, SSE2, and SSE3.

d.

Both a and b

Posted under Reverse Engineering

Answer: (d).Both a and b Explanation:When working with integers larger than 32-bits, the compiler employs several 32-bit integers to represent the full operands. In these cases arithmetic can be performed in different ways, depending on the specific compiler. The compiler combines two 32-bit integers and uses specialized sequences to perform arithmetic operations on them.

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