For the following RISC-V assembly instructions below, what is a single corresponding C statement? Assume f, g, h, i are in x18, x19, x20 and x21. Your answer must be one single C statement for all assembly instructions as opposed to one C statement for each assembly instruction. add x18, x19, x20 sub x18, x18, x21

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter4: Processor Technology And Architecture
Section: Chapter Questions
Problem 26VE: _____ is a CPU design technique in which instruction execution is divided into multiple stages and...
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For the following RISC-V assembly instructions below, what is a single corresponding C
statement? Assume f, g, h, i are in x18, x19, x20 and x21. Your answer must be one single C statement
for all assembly instructions as opposed to one C statement for each assembly instruction.

add x18, x19, x20
sub x18, x18, x21

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