Suppose the state of the argument and local memory segments are as follows: argument local stack 0 0 9 sp-> 256 1 257 1 14 2 258 259 Now consider the following VM code: 1 push constant 2 pop local @ 3 push constant 15 4 pop local 1 5 push local 1 6 push argument 1 7 gt 8 pop local 2 9 push local 0 10 push argument 0 11 add 12 pop local 0 13 push local 1 14 push local 1 15 push constant 1 16 sub 17 add 18 pop local 1 What will be the value of local 1 after the VM code has executed?

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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Suppose the state of the argument and local memory segments are as
follows:
argument
local
stack
0
0
9
sp->
256
1
257
1
14
2
258
259
Now consider the following VM code:
1
push constant
2
pop local @
3
push constant 15
4
pop local 1
5
push local 1
6
push argument 1
7
gt
8
pop local 2
9
push local 0
10
push argument 0
11
add
12
pop local 0
13
push local 1
14
push local 1
15
push constant 1
16
sub
17
add
18
pop local 1
What will be the value of local 1 after the VM code has executed?
Transcribed Image Text:Suppose the state of the argument and local memory segments are as follows: argument local stack 0 0 9 sp-> 256 1 257 1 14 2 258 259 Now consider the following VM code: 1 push constant 2 pop local @ 3 push constant 15 4 pop local 1 5 push local 1 6 push argument 1 7 gt 8 pop local 2 9 push local 0 10 push argument 0 11 add 12 pop local 0 13 push local 1 14 push local 1 15 push constant 1 16 sub 17 add 18 pop local 1 What will be the value of local 1 after the VM code has executed?
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