VPMOVZXBD
REG0=XMM_R():w:dq:u32 REG1=XMM_B():r:d:u8 REG0=XMM_R():w:dq:u32 MEM0:r:d:u8
x86_64 X86_LEGACY DATAXFER AVX source: xed
XED_VPMOVZXBD_X86_LEGACY_ONEBYTE_31_42327
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | 31 31 |
| opcode_map | ONEBYTE |
| mandatory_prefix | - |
| has_modrm | True |
| vex_l | 0 |
| exception_class | avx-type-5 |
| cpl | 3 |
| raw_encoding | VV1 0x31 VL128 V66 V0F38 NOVSR MOD[0b11] MOD=3 REG[rrr] RM[nnn] VV1 0x31 VL128 V66 V0F38 NOVSR MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() |
Operands (4)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | REG0 | REG | w | W | EXPLICIT | MODRM_REG | |
| 1 | REG1 | REG | d | R | EXPLICIT | MODRM_REG | |
| 2 | REG2 | REG | w | W | EXPLICIT | MODRM_REG | |
| 3 | MEM0 | MEM | d | R | EXPLICIT | MODRM_RM |
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.