bits 64
    
    db 0x0F, 0x18, 0xF8                                 ; NOP       eax
    db 0x0F, 0x18, 0x38                                 ; NOP       dword ptr [rax]        
    db 0x0F, 0x18, 0x3D, 0x90, 0x90, 0x90, 0x90         ; PREFETCHIT0 byte ptr [rel 0xffffffff9090909d]
    db 0x67, 0x0F, 0x18, 0x3D, 0x90, 0x90, 0x90, 0x90   ; PREFETCHIT0 byte ptr [rel 0x909090a5]
    
    db 0x0F, 0x18, 0xF0                                 ; NOP       eax        
    db 0x0F, 0x18, 0x30                                 ; NOP       dword ptr [rax]        
    db 0x0F, 0x18, 0x35, 0x90, 0x90, 0x90, 0x90         ; PREFETCHIT1 byte ptr [rel 0xffffffff909090b2]
    db 0x67, 0x0F, 0x18, 0x35, 0x90, 0x90, 0x90, 0x90   ; PREFETCHIT1 byte ptr [rel 0x909090ba]