(c) The following code fragment is used to illustrate the occurrence of output dependency and antidependency in the issue of instructions to achieve instruction level parallelism in a superscalar processor. Explain these occurrences of output dependency and antidependency with reference to the code fragment in Fig Q2(c): Il: R5 E R4 + R5 12: R6 E R5 OR R2 13: R5 € R5 – R3 14: R8 € R5 EXOR R6 Fig Q2(c) Code Fragment

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
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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(c) The following code fragment is used to illustrate the occurrence of output dependency
and antidependency in the issue of instructions to achieve instruction level parallelism
in a superscalar processor. Explain these occurrences of output dependency and
antidependency with reference to the code fragment in Fig Q2(c):
Il: R5 € R4 + R5
12: R6 E R5 OR R2
13: R5 € R5 – R3
14: R8 € R5 EXOR R6
Fig Q2(c) Code Fragment
Transcribed Image Text:(c) The following code fragment is used to illustrate the occurrence of output dependency and antidependency in the issue of instructions to achieve instruction level parallelism in a superscalar processor. Explain these occurrences of output dependency and antidependency with reference to the code fragment in Fig Q2(c): Il: R5 € R4 + R5 12: R6 E R5 OR R2 13: R5 € R5 – R3 14: R8 € R5 EXOR R6 Fig Q2(c) Code Fragment
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