adv2.c

#include <stdio.h>                                                              
                                                                                
int main (void) {                                                               
    int total, a, b, c, i;                                                      
    int mem[100];                                                               
    total = 0;                                                                    
    c = 20                    // addi $6, $0, 20                                
    mem[0] = 1;               // addi $1, $0, 1                                 
    mem[1] = 2;               // addi $7, $0, 2                                 
                                                                                
    a = 1;                    // addi $4, $0, 1                                 
    b = 2;                    // addi $5, $0, 2                                 
    i = 0;                    // addi $3, $0, 0                                 
    total = 0;                // addi $2, $0, 0                                 
                                                                                
start:                                                                          
    i++;                      // addi $3, $0, 1                                 
    total += a;               // add  $2, $2, $4                                
    a = b;                    // add  $4, $0, $5                                
                              // nop                                            
    total += b;               // add  $2, $2, $5                                
    total += 3;               // addi $2, $0, 3                                 
    b = total;                // add  $5, $0, $2                                
                              // nop                                            
    mem[i+1] = total;         // sw   $2, 0($?)                                 
    if (i != 20)              // slt  $9, $3, $6                                
        goto start;           // bdq  $9, $0, start 

}