Identify the data dependencies (i.e., RAW, WAW, WAR) in the following code. Which instructions can use register renaming to remove a dependency? add $t0, $0, $0 add $t1, $0, $0 loop beq $t1, $t2, $exit or $t6, $s3, $t0 lw $t7, 0($t6) add $t6, $s4, $t0 sw $t7 0($t6) addi $t0, $t0, 4 addi $t1, $t1, 1 j loop exit
Identify the data dependencies (i.e., RAW, WAW, WAR) in the following code. Which instructions can use register renaming to remove a dependency? add $t0, $0, $0 add $t1, $0, $0 loop beq $t1, $t2, $exit or $t6, $s3, $t0 lw $t7, 0($t6) add $t6, $s4, $t0 sw $t7 0($t6) addi $t0, $t0, 4 addi $t1, $t1, 1 j loop exit
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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Identify the data dependencies (i.e., RAW, WAW, WAR) in the following code. Which instructions can use register renaming to remove a dependency?
add $t0, $0, $0
add $t1, $0, $0
loop
beq $t1, $t2, $exit
or $t6, $s3, $t0
lw $t7, 0($t6)
add $t6, $s4, $t0
sw $t7 0($t6)
addi $t0, $t0, 4
addi $t1, $t1, 1
j loop
exit
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