Consider a proposed new instruction named repeat. combine's a loop's condition check and counter decre instruction. For example repeat x29, loop would do the following: if (x29 > 0) { x29=x29-1; goto loop; } If this instruction were to be added to the RISC-V inst is to allow for very large loop sizes, what is the most a format? I-type S-type J-type or U-type R-type B-type

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Question 18
Consider a proposed new instruction named repeat. This instruction
combine's a loop's condition check and counter decrement into a single
instruction. For example
repeat x29, loop
would do the following:
if (x29 > 0) {
x29=x29 -1;
goto loop;
}
If this instruction were to be added to the RISC-V instruction set, and the goal
is to allow for very large loop sizes, what is the most appropriate instruction
format?
I-type
ⒸS-type
ⒸJ-type or U-type
R-type
ⒸB-type
Transcribed Image Text:Question 18 Consider a proposed new instruction named repeat. This instruction combine's a loop's condition check and counter decrement into a single instruction. For example repeat x29, loop would do the following: if (x29 > 0) { x29=x29 -1; goto loop; } If this instruction were to be added to the RISC-V instruction set, and the goal is to allow for very large loop sizes, what is the most appropriate instruction format? I-type ⒸS-type ⒸJ-type or U-type R-type ⒸB-type
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