Data movement instructions: The different instructions are been grouped as “instruction classes”. The instructions in a class performs same operation but with different sizes of operand. The “Mov” class denotes data movement instructions that copy data from a source location to a destination. The class has 4 instructions that includes: movb: It copies data from a source location to a destination. It denotes an instruction that operates on 1 byte data size. movw: It copies data from a source location to a destination. It denotes an instruction that operates on 2 bytes data size. movl: It copies data from a source location to a destination. It denotes an instruction that operates on 4 bytes data size. movq: It copies data from a source location to a destination. It denotes an instruction that operates on 8 bytes data size.

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Chapter 3.4, Problem 3.4PP

Program Plan Intro

Data movement instructions:

The different instructions are been grouped as “instruction classes”.

The instructions in a class performs same operation but with different sizes of operand.

The “Mov” class denotes data movement instructions that copy data from a source location to a destination.

The class has 4 instructions that includes:

movb:

It copies data from a source location to a destination.

It denotes an instruction that operates on 1 byte data size.

movw:

It copies data from a source location to a destination.

It denotes an instruction that operates on 2 bytes data size.

movl:

It copies data from a source location to a destination.

It denotes an instruction that operates on 4 bytes data size.

movq:

It copies data from a source location to a destination.

It denotes an instruction that operates on 8 bytes data size.

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