global _start section .data align 16 quad1: dq 0xad0000ceadad00ff quad2: dq 0xffffffffffffffff quad3: dq 0x0000000000000000 quad4: dq 0x7fff8000ffff0808 myquad: dq 0x00ad00adad007fff mydword: dd 0xcafebabe myaddress: dq 0x00adbeefc0de00ce %include "header.inc" movq mm0, [quad1] movq mm1, [quad2] movq mm2, [quad3] movq mm3, [quad4] movq mm4, [quad1] movq mm5, [quad2] movq mm6, [quad3] movq mm7, [quad4] packuswb mm4, mm0 packuswb mm5, mm1 packuswb mm6, mm2 packuswb mm7, mm3 packuswb mm0, [quad2] packuswb mm1, [quad3] packuswb mm2, [quad4] packuswb mm3, [quad1] packuswb mm0, mm5 packuswb mm1, mm6 packuswb mm2, mm7 packuswb mm3, mm4 %include "footer.inc"