=> 0x7fb6f73d3445 : cmp $0xfffffffffffff000,%rax 0x7fb6f73d344b : ja 0x7fb6f73d345f 0x7fb6f73d344d : repz retq 0x7fb6f73d344f : nop 0x7fb6f73d3450 : test %eax,%eax 0x7fb6f73d3452 : jg 0x7fb6f73d3435 0x7fb6f73d3454 : test $0x7fffffff,%eax 0x7fb6f73d3459 : je 0x7fb6f73d3470 0x7fb6f73d345b : neg %eax 0x7fb6f73d345d : jmp 0x7fb6f73d3435 0x7fb6f73d345f : mov 0x37f9ba(%rip),%rdx # 0x7fb6f7752e20 0x7fb6f73d3466 : neg %eax 0x7fb6f73d3468 : mov %eax,%fs:(%rdx) 0x7fb6f73d346b : or $0xffffffffffffffff,%rax 0x7fb6f73d346f : retq 0x7fb6f73d3470 : mov %esi,%eax