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This chapter introduces arrays and other concepts that will require the expansion of your 80x86 instruction set knowledge. In particular, you will need to learn how to multiply two values; hence the first instruction we will look at is the intmul (integer multiply) instruction. Another common task when accessing arrays is to check to see if an array index is within bounds. The 80x86 bound instruction provides a convenient way to check a register's value to see if it is within some range. Finally, the into (interrupt on overflow) instruction provides a quick check for signed arithmetic overflow. Although into isn't really necessary for array (or other data type) access, its function is very similar to bound; hence the presentation of it at this point.

This chapter introduces arrays and other concepts that will require the expansion of your 80x86 instruction set knowledge. In particular, you will need to learn how to multiply two values; hence the first instruction we will look at is the intmul (integer multiply) instruction. Another common task when accessing arrays is to check to see if an array index is within bounds. The 80x86 bound instruction provides a convenient way to check a register's value to see if it is within some range. Finally, the into (interrupt on overflow) instruction provides a quick check for signed arithmetic overflow. Although into isn't really necessary for array (or other data type) access, its function is very similar to bound; hence the presentation of it at this point.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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This chapter introduces arrays and other concepts that will require the expansion of your 80x86 instruction set knowledge. In particular, you will need to learn how to multiply two values; hence the first instruction we will look at is the intmul (integer multiply) instruction. Another common task when accessing arrays is to check to see if an array index is within bounds. The 80x86 bound instruction provides a convenient way to check a register's value to see if it is within some range. Finally, the into (interrupt on overflow) instruction provides a quick check for signed arithmetic overflow. Although into isn't really necessary for array (or other data type) access, its function is very similar to bound; hence the presentation of it at this point.
Transcribed Image Text:This chapter introduces arrays and other concepts that will require the expansion of your 80x86 instruction set knowledge. In particular, you will need to learn how to multiply two values; hence the first instruction we will look at is the intmul (integer multiply) instruction. Another common task when accessing arrays is to check to see if an array index is within bounds. The 80x86 bound instruction provides a convenient way to check a register's value to see if it is within some range. Finally, the into (interrupt on overflow) instruction provides a quick check for signed arithmetic overflow. Although into isn't really necessary for array (or other data type) access, its function is very similar to bound; hence the presentation of it at this point.
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