# 2*3+5*2
# multiplica(a,b){
# int m=0;
# while(b!=0) {
#  m=m+a; b--;
# } return m;
.text
.global main
main:
 pushl $3
 pushl $2
 call multiplica
 addl $8, %esp
 movl %eax, %ebx
 
 pushl $2
 pushl $5
 call multiplica
 addl $8, %esp
 addl %eax, %ebx
 
 movl $1, %eax
 int $0x80

multiplica:
 pushl %ebp
 movl %esp, %ebp
 subl $4, %esp
 pushl %ebx

 movl $0, -4(%ebp)
 movl 8(%ebp), %eax
 movl 12(%ebp), %ebx
multi_loop:
 cmp $0, %ebx
 je multi_endloop
 addl %eax, -4(%ebp)
 decl %ebx
 jmp multi_loop
multi_endloop:
 movl -4(%ebp), %eax
 popl %ebx
 addl $4, %esp
 # ^Equivale a movl %ebp, %esp
 popl %ebp
 ret