=> 0x7f9af4ffdd05 : cmp $0xfffffffffffff000,%rax 0x7f9af4ffdd0b : ja 0x7f9af4ffdd1f 0x7f9af4ffdd0d : repz retq 0x7f9af4ffdd0f : nop 0x7f9af4ffdd10 : test %eax,%eax 0x7f9af4ffdd12 : jg 0x7f9af4ffdcf5 0x7f9af4ffdd14 : test $0x7fffffff,%eax 0x7f9af4ffdd19 : je 0x7f9af4ffdd30 0x7f9af4ffdd1b : neg %eax 0x7f9af4ffdd1d : jmp 0x7f9af4ffdcf5 0x7f9af4ffdd1f : mov 0x36a27a(%rip),%rdx # 0x7f9af5367fa0 0x7f9af4ffdd26 : neg %eax 0x7f9af4ffdd28 : mov %eax,%fs:(%rdx) 0x7f9af4ffdd2b : or $0xffffffffffffffff,%rax 0x7f9af4ffdd2f : retq 0x7f9af4ffdd30 : mov %esi,%eax