4004c0: 48 83 ec 08 sub $0x8,%rsp 4004c4: 48 be 00 00 00 00 00 mov $0x8000000000000000,%rsi 4004cb: 00 00 80 4004ce: bf dc 05 40 00 mov $0x4005dc,%edi 4004d3: 66 0f 12 05 0d 01 00 movlpd 269(%rip),%xmm0 # 4005e8 <_IO_stdin_used+0x10> 4004da: 00 4004db: b8 01 00 00 00 mov $0x1,%eax 4004e0: e8 03 ff ff ff callq 4003e8 4004e5: 31 c0 xor %eax,%eax 4004e7: 48 83 c4 08 add $0x8,%rsp 4004eb: c3 retq