=> 0x7f44b9403475 : cmp $0xfffffffffffff000,%rax 0x7f44b940347b : ja 0x7f44b940348f 0x7f44b940347d : repz retq 0x7f44b940347f : nop 0x7f44b9403480 : test %eax,%eax 0x7f44b9403482 : jg 0x7f44b9403465 0x7f44b9403484 : test $0x7fffffff,%eax 0x7f44b9403489 : je 0x7f44b94034a0 0x7f44b940348b : neg %eax 0x7f44b940348d : jmp 0x7f44b9403465 0x7f44b940348f : mov 0x37d98a(%rip),%rdx # 0x7f44b9780e20 0x7f44b9403496 : neg %eax 0x7f44b9403498 : mov %eax,%fs:(%rdx) 0x7f44b940349b : or $0xffffffffffffffff,%rax 0x7f44b940349f : retq 0x7f44b94034a0 : mov %esi,%eax