1lgdt [0] 2lidt [0x100] 3sgdt [0x1000] 4sidt [0x2004] 5fstenv [0x4] 6fsave [0x800] 7invlpg [0xffff0000] 8fxsave [0x200] 9fxrstor [0x400] 10prefetchnta [0x4] 11prefetcht0 [0x8] 12prefetcht1 [0xC] 13prefetcht2 [0x10] 14prefetch [0x50] 15prefetchw [0x60] 16