The last example in the previous section demonstrates a specific case of a very general problem: counting bits. Unfortunately, that example has a severe lim- itation: It only counts a single run of 1 bits appearing in the source operand. This section discusses a more general solution to this problem. Hardly a week goes by that someone doesn't ask on one of the Internet how to count the number of bits in a register operand. This is a newsgroups common request, undoubtedly, because many assembly language course instructors assign this task as a project to their students as a way to teach them about the shift and rotate instructions. Undoubtedly, the solution these

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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ssembly language
The last example in the previous section demonstrates a specific case of a very
general problem: counting bits. Unfortunately, that example has a severe lim-
itation: It only counts a single run of 1 bits appearing in the source operand.
This section discusses a more general solution to this problem.
Hardly a week goes by that someone doesn't ask on one of the Internet
newsgroups how to count the number of bits in a register operand. This is a
common request, undoubtedly, because many assembly language course
instructors assign this task as a project to their students as a way to teach them
about the shift and rotate instructions. Undoubtedly, the solution these
Transcribed Image Text:The last example in the previous section demonstrates a specific case of a very general problem: counting bits. Unfortunately, that example has a severe lim- itation: It only counts a single run of 1 bits appearing in the source operand. This section discusses a more general solution to this problem. Hardly a week goes by that someone doesn't ask on one of the Internet newsgroups how to count the number of bits in a register operand. This is a common request, undoubtedly, because many assembly language course instructors assign this task as a project to their students as a way to teach them about the shift and rotate instructions. Undoubtedly, the solution these
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