=> 0x7fd083eab405 : cmp $0xfffffffffffff000,%rax 0x7fd083eab40b : ja 0x7fd083eab41f 0x7fd083eab40d : repz retq 0x7fd083eab40f : nop 0x7fd083eab410 : test %eax,%eax 0x7fd083eab412 : jg 0x7fd083eab3f5 0x7fd083eab414 : test $0x7fffffff,%eax 0x7fd083eab419 : je 0x7fd083eab430 0x7fd083eab41b : neg %eax 0x7fd083eab41d : jmp 0x7fd083eab3f5 0x7fd083eab41f : mov 0x37f9fa(%rip),%rdx # 0x7fd08422ae20 0x7fd083eab426 : neg %eax 0x7fd083eab428 : mov %eax,%fs:(%rdx) 0x7fd083eab42b : or $0xffffffffffffffff,%rax 0x7fd083eab42f : retq 0x7fd083eab430 : mov %esi,%eax