For this problem, suppose that the add (addition) and imul (signed multiplication) instructions are broken on one of the lab computers. Write x86-64 assembly code to implement the following C function without add or imul by using leaq (and any other arithmetic) instructions. long arithmewho (long a, long b, long c) { return a + 13 + 9*b + 4*c; } • Respect the calling conventions and register-save conventions. • Do not use any version of the add or imul instructions. You can use any other x86 arithmetic instructions, including leaq. Aim to have 4-6 lines of assembly code.

Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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For this problem, suppose that the add (addition) and imul (signed multiplication)
instructions are broken on one of the lab computers. Write x86-64 assembly code to implement the
following C function without add or imul by using leaq (and any other arithmetic) instructions.
long arithmewho (long a, long b, long c) {
return a + 13 + 9*b + 4*c;
}
• Respect the calling conventions and register-save conventions.
. Do not use any version of the add or imul instructions. You can use any other x86 arithmetic
instructions, including leaq. Aim to have 4-6 lines of assembly code.
arithmewho:
COM
Transcribed Image Text:For this problem, suppose that the add (addition) and imul (signed multiplication) instructions are broken on one of the lab computers. Write x86-64 assembly code to implement the following C function without add or imul by using leaq (and any other arithmetic) instructions. long arithmewho (long a, long b, long c) { return a + 13 + 9*b + 4*c; } • Respect the calling conventions and register-save conventions. . Do not use any version of the add or imul instructions. You can use any other x86 arithmetic instructions, including leaq. Aim to have 4-6 lines of assembly code. arithmewho: COM
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