VPMOVSDB
MEM0:w:q:i8 REG0=MASK1():r:mskw REG1=YMM_R3():r:qq:i32
x86_64 X86_LEGACY DATAXFER AVX512F_256 source: xed
XED_VPMOVSDB_MEMi8_MASKmskw_YMMi32_AVX512
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | 21 |
| opcode_map | ONEBYTE |
| mandatory_prefix | - |
| has_modrm | True |
| vex_l | 1 |
| attributes | DISP8_QUARTERMEM MASKOP_EVEX MEMORY_FAULT_SUPPRESSION |
| exception_class | AVX512-E6 |
| cpl | 3 |
| raw_encoding | EVV 0x21 VF3 V0F38 MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() BCRC=0 UBIT=1 W0 VL256 NOEVSR ZEROING=0 ESIZE_8_BITS() NELEM_QUARTERMEM() |
Operands (3)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | MEM0 | MEM | w | W | EXPLICIT | MODRM_RM | |
| 1 | REG0 | REG | R | EXPLICIT | MODRM_REG | ||
| 2 | REG1 | REG | R | EXPLICIT | MODRM_REG |
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.