void foo(long *a, long +b, long *c, int n); Its body compiles to the following code: # a in %rdi, b in Zrsi, c in %råx, n in Zecx novl $0, Zeax .L2: cmpl Zecx, Zeax jge .L4 movslą movą (Zrdx,%r8,8), %r9 addq (Krei,%r8,8), %r9 movq Zr9, (%rdi,%r8,8) addl $1, Zeax Zeax, Zr8 jap .L2 .L4: ret The C code for the body a loop of the form: int i; for (i - 0; i a. What register holds the loop variable i? b. What is i compared to in the loop test? c. What do the first three arguments point to? d. What do the three instructions in the middle of the loop (movq, addą e Say in wonds what is the nurnor of the function hat is the DurDo
void foo(long *a, long +b, long *c, int n); Its body compiles to the following code: # a in %rdi, b in Zrsi, c in %råx, n in Zecx novl $0, Zeax .L2: cmpl Zecx, Zeax jge .L4 movslą movą (Zrdx,%r8,8), %r9 addq (Krei,%r8,8), %r9 movq Zr9, (%rdi,%r8,8) addl $1, Zeax Zeax, Zr8 jap .L2 .L4: ret The C code for the body a loop of the form: int i; for (i - 0; i a. What register holds the loop variable i? b. What is i compared to in the loop test? c. What do the first three arguments point to? d. What do the three instructions in the middle of the loop (movq, addą e Say in wonds what is the nurnor of the function hat is the DurDo
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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![Problem 2. A function is declared as follows:
void foo(long *a, long +b, long *c, int n);
Its body compiles to the following code:
# a in %rdi, b in %rsi, c in %rdx, n in %ecx
Lovl $0, Zeax
.L2:
cmpl %ecx, %eax
jge
movslą
novq (%rdx,%r8,8), %r9
addq (%rai,%r8,8), %r9
Rovq Zr9, (Zrdi, %r8,8)
addi $1, %eax
jap
.L4
Zeax, %r8
.L2
.L4:
ret
The C code for the body a loop of the form:
int i;
for (i - 0; i
a. What register holds the loop variable i?
b. What is i compared to in the loop test?
c. What do the first. three arguments point to?
d. What do the three instructions in the middle of the loop (movq, addą, movq) do?
e. Say in words what is the purpose of the function.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fba68628d-5730-47db-93d2-fa6abf9ef8a3%2Ffec17008-f4e5-4d50-97dd-2d5535dfe819%2Fdeghktp_processed.png&w=3840&q=75)
Transcribed Image Text:Problem 2. A function is declared as follows:
void foo(long *a, long +b, long *c, int n);
Its body compiles to the following code:
# a in %rdi, b in %rsi, c in %rdx, n in %ecx
Lovl $0, Zeax
.L2:
cmpl %ecx, %eax
jge
movslą
novq (%rdx,%r8,8), %r9
addq (%rai,%r8,8), %r9
Rovq Zr9, (Zrdi, %r8,8)
addi $1, %eax
jap
.L4
Zeax, %r8
.L2
.L4:
ret
The C code for the body a loop of the form:
int i;
for (i - 0; i
a. What register holds the loop variable i?
b. What is i compared to in the loop test?
c. What do the first. three arguments point to?
d. What do the three instructions in the middle of the loop (movq, addą, movq) do?
e. Say in words what is the purpose of the function.
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