=> 0x7fd1f72bdd05 : cmp $0xfffffffffffff000,%rax 0x7fd1f72bdd0b : ja 0x7fd1f72bdd1f 0x7fd1f72bdd0d : repz retq 0x7fd1f72bdd0f : nop 0x7fd1f72bdd10 : test %eax,%eax 0x7fd1f72bdd12 : jg 0x7fd1f72bdcf5 0x7fd1f72bdd14 : test $0x7fffffff,%eax 0x7fd1f72bdd19 : je 0x7fd1f72bdd30 0x7fd1f72bdd1b : neg %eax 0x7fd1f72bdd1d : jmp 0x7fd1f72bdcf5 0x7fd1f72bdd1f : mov 0x35927a(%rip),%rdx # 0x7fd1f7616fa0 0x7fd1f72bdd26 : neg %eax 0x7fd1f72bdd28 : mov %eax,%fs:(%rdx) 0x7fd1f72bdd2b : or $0xffffffffffffffff,%rax 0x7fd1f72bdd2f : retq 0x7fd1f72bdd30 : mov %esi,%eax