1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23fib_cool.arm64.o: file format elf64-littleaarch64 Disassembly of section .text: 0000000000000000 <fib>: 0: mov x1, x0 4: cmp x0, #0x1 8: b.ls 34 <fib+0x34> // b.plast c: mov x2, #0x1 // #1 10: mov x3, x2 14: nop 18: add x0, x3, x2 1c: sub x1, x1, #0x1 20: mov x3, x2 24: mov x2, x0 28: cmp x1, #0x1 2c: b.ne 18 <fib+0x18> // b.any 30: ret 34: mov x0, #0x1 // #1 38: ret