KMOVB
REG0=MASK_R():w:mskw MEM0:r:b:u8
x86_64 X86_LEGACY KMASK AVX512DQ_KOPB source: xed
XED_KMOVB_MASKmskw_MEMu8_AVX512
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | 90 |
| opcode_map | ONEBYTE |
| mandatory_prefix | - |
| has_modrm | True |
| vex_l | 0 |
| attributes | KMASK |
| exception_class | AVX512-K21 |
| cpl | 3 |
| raw_encoding | VV1 0x90 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 | REG0 | REG | w | W | EXPLICIT | MODRM_REG | |
| 1 | MEM0 | MEM | b | R | EXPLICIT | MODRM_RM |
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.