| Opcode | Mnemonic | Other Information | Semantic Function |
| 63 | ARPL | | |
| 0F 00 | SLDT | | |
| 0F 00 | SLDT | | |
| 0F 00 | STR | | |
| 0F 00 | STR | | |
| 0F 00 | VERR | | |
| 0F 00 | VERW | | |
| 0F 01 | SIDT | | |
| 0F 01 | CLAC | | :REG | 1 | | :MOD | 3 | | :R/M | 2 | | :FEAT | :SMAP | | |
| 0F 01 | STAC | | :REG | 1 | | :MOD | 3 | | :R/M | 3 | | :FEAT | :SMAP | | |
| 0F 01 | XGETBV | | :REG | 3 | | :MOD | 3 | | :R/M | 0 | | :FEAT | :XSAVE | | |
| 0F 01 | XSETBV | | :REG | 3 | | :MOD | 3 | | :R/M | 1 | | :FEAT | :XSAVE | | |
| 0F 01 | SMSW | | |
| 0F 01 | SMSW | | |
| 0F 01 | LMSW | | |
| 0F 01 | RDTSCP | | :REG | 7 | | :MOD | 3 | | :R/M | 1 | | :FEAT | :RDTSCP | | |
| 0F 02 | LAR | | |
| 0F 03 | LSL | | |
| 0F 06 | CLTS | | |
| 0F 08 | INVD | | |
| 0F 09 | WBINVD | | |
| 0F 33 | RDPMC | | |
| 0F 34 | SYSENTER | | |
| 0F 35 | SYSEXIT | | |
| 0F AA | RSM | | |
| F3 0F AE | RDFSBASE | | :MODE | :O64 | | :PFX | :F3 | | :REG | 0 | | :MOD | 3 | | :FEAT | :FSGSBASE | | |
| F3 0F AE | RDGSBASE | | :MODE | :O64 | | :PFX | :F3 | | :REG | 1 | | :MOD | 3 | | :FEAT | :FSGSBASE | | |
| F3 0F AE | WRFSBASE | | :MODE | :O64 | | :PFX | :F3 | | :REG | 2 | | :MOD | 3 | | :FEAT | :FSGSBASE | | |
| F3 0F AE | WRGSBASE | | :MODE | :O64 | | :PFX | :F3 | | :REG | 3 | | :MOD | 3 | | :FEAT | :FSGSBASE | | |
| NP 0F AE | XSAVE | | :PFX | :NO-PREFIX | | :REG | 4 | | :MOD | :MEM | | :FEAT | :XSAVE | | |
| NP 0F AE | XRSTOR | | :PFX | :NO-PREFIX | | :REG | 5 | | :MOD | :MEM | | :FEAT | :XSAVE | | |
| NP 0F AE | XSAVEOPT | | :PFX | :NO-PREFIX | | :REG | 6 | | :MOD | :MEM | | |
| 66 0F 38 82 | INVPCID | | |