KMOVB
MEM0:w:b:u8 REG0=MASK_R():r:mskw
x86_64 X86_LEGACY KMASK AVX512DQ_KOPB source: xed
XED_KMOVB_MEMu8_MASKmskw_AVX512
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | 91 |
| opcode_map | ONEBYTE |
| mandatory_prefix | - |
| has_modrm | True |
| vex_l | 0 |
| attributes | KMASK |
| exception_class | AVX512-K21 |
| cpl | 3 |
| raw_encoding | VV1 0x91 V66 V0F MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() W0 VL128 NOVSR |
Operands (2)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | MEM0 | MEM | w | W | EXPLICIT | MODRM_RM | |
| 1 | REG0 | REG | R | EXPLICIT | MODRM_REG |
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.