What does this Assembly snippet output?

1.global _main
2.align 2
3_main:
4    stp x29, x30, [sp, #-32]!
5    mov w8, #-1
6    cmp w8, #100
7    b.ls low_or_same
8    mov w9, #0
9    b done
10low_or_same:
11    mov w9, #1
12done:
13    sub sp, sp, #16
14    str x9, [sp]
15    adrp x0, fmt@PAGE
16    add x0, x0, fmt@PAGEOFF
17    bl _printf
18    add sp, sp, #16
19    ldp x29, x30, [sp], #32
20    mov w0, #0
21    ret
22.section __TEXT,__cstring
23fmt: .asciz "%d\n"