how to use "into"

Is "into" only used for "overflow" ?

This is my example!!!!!!

add ax,bx
into

... ...

overflow: push ax
push bx
push cx
push dx
.
.
.
pop dx
pop cx
pop bx
pop ax
iret

..........................................

Who has other examples of about "into"?


I want to learn!!!!!!

I am sorry to disturb to you,and also sorry to ask such a simple question!!!!!!