UWRMSR
r64, r64
x86_64 X86_LEGACY APX USER_MSR source: asmjit
X86_UWRMSR_X86_LEGACY_0F38_F8_472148
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | F8 |
| opcode_map | 0F38 |
| mandatory_prefix | F3 |
| has_modrm | False |
| raw_encoding | [RM ] F3 0F 38 F8 11:rrr:bbb |
Operands (2)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | REG0 | REG | GR64 | q | RW | EXPLICIT | MODRM_REG |
| 1 | REG1 | REG | GR64 | q | R | EXPLICIT | MODRM_REG |
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.