.equ SYS_EXIT,93
.data
int1: .word 0xa2
int2: .word 0xb
.text
.globl _start
_start:

adr x5,int1
ldr w1,[x5]
uxtw x1,w1 // int1 is in x1

adr x6,int2
ldr w2,[x6]
uxtw x2, w2// int2 is in x2

mov x0,#0 // result is in x0

loop:
cbz x2,exit
tbz x2,#0,next
add x0,x0,x2
next: 
lsl x1,x1,#1
lsr x2,x2,#1
b loop
exit: mov x0,#0
mov w8,#SYS_EXIT
svc #0x0
.end