assemblyExercicioPratico

add rdx,rbx,rdx = rdx+rbx

mov eax,[a]
mov ebx, [b]
mov ecx, [c]
mov edx, eax; rdx = a
add edx, ebx; rdx = a+b
add edx, ecx; rdx = a+b+c
mov [aux], edx

//assembly

extern printf
extern scanf

SECTION .data

str0 db "Entre com a: ", 0
str1 db "Entre com b: ", 0
str2 db "Entre com c: ", 0
str3 db "%d", 0
str4 db "a é maior que b", 13, 10, 0
str5 db "a é maior que c", 13, 10, 0 ;terminar de arrumar
str6 db "c é o maior", 13, 10, 0
str7 db "todos são iguais", 13, 10, 0


SECTION .bss
a resd 1
b resd 1
c resd 1

SECTION .text
global main 
main: 
    push rbp
    mov rbp, rsp 
    mov rdi, str0
    mov rax, 0
    call printf
    
    mov rdi, str3
    lea rsi, [a]
    call scanf
    
    mov rdi, str3
    lea rsi, [b]
    call scanf
    
    mov rdi, str3
    lea rsi, [c]
    call scanf
    
    mov eax, [a]
    mov ebx, [b]
    mov ecx, [c]
    cmp eax, ebx
    jle ELSE_EXT
    mov, rdi, str4 
    mov rax, 0
    call printf
    jmp FIM_IF_EXT
    
    ELSE_EXT:
    mov eax, [a]
    mov ebx, [b]
    
   ;terminar código, ver exemplo do exercicio