Question
Suppose we have a correctly working user program fragment: L1: CMP R1, R2 L2: Jmpn L3 L3: Now suppose we replace the above code
Suppose we have a correctly working user program fragment: L1: CMP R1, R2 L2: Jmpn L3 L3: Now suppose we replace the above code fragment by: L1: CMP R1, R2 Syscall //a system call instruction L2: Jmpn L3 L3: The service routine for Syscall is a two line code: CMP R2, R1 RTI Note that the CMP instruction in the service routine will update condition codes. Will the new user code fragment work correctly as before? (Yes or No). Justify your answer in less than 100 words.
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An Introduction to Analysis
Authors: William R. Wade
4th edition
132296381, 978-0132296380
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