Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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turn this c code into assembly language in optimized and unoptimized mode. 

 

 

 

/* Project 2 */

/* GCC */
/* gcc -Wa,-adhln -g -masm=intel -m32 "Project 2.c" > "Project 2-g.asm" */
/* gcc -Wa,-adhln -O -masm=intel -m32 "Project 2.c" > "Project 2-o.asm" */

#include <stdio.h>

#define NOINLINE __attribute__ ((noinline))

static NOINLINE int function1(int x, int y)
{

    int i;
    int sum;
    int values[10];
    
    sum = 0;
    for (i = 0; i < 10; i++) {
        values[i] = 10 * i + x * y;
        sum += values[i];
    }

    return (sum);
    
}

 static int NOINLINE function2(int *values, int valuesLen)
{

    int i;
    int sum;

    sum = 0;
    for (i = 0; i < valuesLen; i++) {
        sum += values[i];
    }

    return (sum);
    
}

static NOINLINE int function3(int x)
{

    int y;

    y = x / 10;
    
    return (y);
    
}

static NOINLINE int function4(int a, int b, int c, int d)
{

    int r;

    if (a > b)
        r = a;
    else if (a > c)
        r = 2 * a;
    else if (a > d)
        r = 3 * a;
    else
        r = -1;
    
    return (r);
    
}

int main(int argc, char **argv)
{

    int i;
    int j;
    int k;
    int values[10];

    i = 1;
    j = 2;
     k = function1(i, j);
    printf("function1: i = %d, j = %d, k = %d\n", i, j, k);

    for (i = 0; i < 10; i++) {
        values[i] = i;
    }
    k = function2(values, 10);
    printf("function2: k = %d\n", k);

    k = function3(100);
    printf("function3: k = %d\n", k);

    k = function4(1, 2, 3, 4);
    printf("function4: k = %d\n", k);

    return (0);
}

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