Computer Systems: A Programmer's Perspective (3rd Edition)
3rd Edition
ISBN: 9780134092669
Author: Bryant, Randal E. Bryant, David R. O'Hallaron, David R., Randal E.; O'Hallaron, Bryant/O'hallaron
Publisher: PEARSON
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Textbook Question
Chapter 8, Problem 8.19HW
How many lines of output does the following function print? Give your answer as a function of n. Assume n ≥1.
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In c++
Write a function rightrot(x,n) that returns the value of the integer x rotatedto the right by n positions.
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HNM1000 OHNM
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section
. data
.section .text
.globl _start
start:
pushq $4
pushq $3
call function-A
addq $16, $rsp
movg %rax, %rbx
movq $1, rax
int $0x80
.type function-A, @function
function-A:
pushq rbp
movq rsp, rbp.
subq $8, rsp
mova 16 (%rbp),
rbx
movg 24 (rbp), rcx
movg %rbx, -8(%rbp)
label-A:
#variable y
#variable z
cmpq $1, $rcx
je label-B
movq -8 (&rbp), rax
imulg %rbx, srax
movq rax, -8 (%rbp)
decq rcx
jmp label-A
label-B:
movq -8 (Srbp), rax
movq rbp, rsp
popq &rbp
ret
Chapter 8 Solutions
Computer Systems: A Programmer's Perspective (3rd Edition)
Ch. 8.2 - Prob. 8.1PPCh. 8.4 - Prob. 8.2PPCh. 8.4 - Prob. 8.3PPCh. 8.4 - Prob. 8.4PPCh. 8.4 - Practice Problem 8.5 (solution page 797) Write a...Ch. 8.4 - Practice Problem 8.6 (solution page 797) Write a...Ch. 8.5 - Practice Problem 8.7 (solution page 798) Write a...Ch. 8.5 - Prob. 8.8PPCh. 8 - Prob. 8.9HWCh. 8 - In this chapter, we have introduced some functions...
Ch. 8 - How many hello output lines does this program...Ch. 8 - How many "hello' output lines does this program...Ch. 8 - Prob. 8.13HWCh. 8 - How many hello output lines does this program...Ch. 8 - How many "hello lines does this program print?Ch. 8 - Prob. 8.16HWCh. 8 - Prob. 8.17HWCh. 8 - Consider the following program: Determine which of...Ch. 8 - How many lines of output does the following...Ch. 8 - Use execve to write a program called my1s whose...Ch. 8 - What are the possible output sequences from the...Ch. 8 - Write your own version of the Unix system function...Ch. 8 - One of your colleagues is thinking of using...Ch. 8 - Modify the program in Figure 8.18 so that the...Ch. 8 - Write a version of the fgets function, called...
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