=> 0x7f6d8e39ec55 : cmp $0xfffffffffffff000,%rax 0x7f6d8e39ec5b : ja 0x7f6d8e39ec6f 0x7f6d8e39ec5d : repz retq 0x7f6d8e39ec5f : nop 0x7f6d8e39ec60 : test %eax,%eax 0x7f6d8e39ec62 : jg 0x7f6d8e39ec45 0x7f6d8e39ec64 : test $0x7fffffff,%eax 0x7f6d8e39ec69 : je 0x7f6d8e39ec80 0x7f6d8e39ec6b : neg %eax 0x7f6d8e39ec6d : jmp 0x7f6d8e39ec45 0x7f6d8e39ec6f : mov 0x36b1a2(%rip),%rdx # 0x7f6d8e709e18 0x7f6d8e39ec76 : neg %eax 0x7f6d8e39ec78 : mov %eax,%fs:(%rdx) 0x7f6d8e39ec7b : or $0xffffffffffffffff,%rax 0x7f6d8e39ec7f : retq 0x7f6d8e39ec80 : mov %esi,%eax