A 5-stage MIPS pipeline has a double-pumped register file and forwarding capabilities. How many NOPs will you need to add to make this code work? add R10, R12, R13 sub R12, R13, R11 add R13, R12, R11
A 5-stage MIPS pipeline has a double-pumped register file and forwarding capabilities. How many NOPs will you need to add to make this code work? add R10, R12, R13 sub R12, R13, R11 add R13, R12, R11
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
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:A 5-stage MIPS pipeline has a double-pumped register file and forwarding capabilities.
How many NOPs will you need to add to make this code work?
add R10, R12, R13
sub R12, R13, R11
add R13, R12, R11
---
PC
0 1
02
0 3
Address
Add
Instruction
memory
IF
IFAO
Instruction
Road
register 1
Road
rogister 2
Registers Road
data 2
Writo
register
Writo
data
16
Road
data 1
ID
Sign- 32
extend
ID/EX
Shift
laft 2
Add Add
result
ALU
EX
Zero
ALU
rosuit
EX/MEM
Address
Write
data
Data
memory
MEM
Road
data
MEM/WB
ONUK
WB
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