What does this Assembly snippet output?

1.global _main
2.align 2
3_main:
4    stp x29, x30, [sp, #-32]!
5    mov w8, #0b00001010
6    tbnz w8, #0, bit_set
7    mov w9, #3
8    b done
9bit_set:
10    mov w9, #7
11done:
12    sub sp, sp, #16
13    str x9, [sp]
14    adrp x0, fmt@PAGE
15    add x0, x0, fmt@PAGEOFF
16    bl _printf
17    add sp, sp, #16
18    ldp x29, x30, [sp], #32
19    mov w0, #0
20    ret
21.section __TEXT,__cstring
22fmt: .asciz "%d\n"