arm day1 1到100累加 2023.12.5

.text
.globl _start

_start:
    mov r1, #0      
    mov r2, #1       
    mov r3, #101  

    add r1, r1, r2   
    add r2, r2, #1  

    cmp r2, r3      
	
    mov r4, #12      
    bxcc r4           
.end