=> 0x7f563796c445 : cmp $0xfffffffffffff000,%rax 0x7f563796c44b : ja 0x7f563796c45f 0x7f563796c44d : repz retq 0x7f563796c44f : nop 0x7f563796c450 : test %eax,%eax 0x7f563796c452 : jg 0x7f563796c435 0x7f563796c454 : test $0x7fffffff,%eax 0x7f563796c459 : je 0x7f563796c470 0x7f563796c45b : neg %eax 0x7f563796c45d : jmp 0x7f563796c435 0x7f563796c45f : mov 0x37d9ba(%rip),%rdx # 0x7f5637ce9e20 0x7f563796c466 : neg %eax 0x7f563796c468 : mov %eax,%fs:(%rdx) 0x7f563796c46b : or $0xffffffffffffffff,%rax 0x7f563796c46f : retq 0x7f563796c470 : mov %esi,%eax