KSHIFTRD
REG0=MASK_R():w:mskw REG1=MASK_B():r:mskw IMM0:r:b
x86_64 X86_LEGACY KMASK AVX512BW_KOPD source: xed
XED_KSHIFTRD_MASKmskw_MASKmskw_IMM8_AVX512
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | 31 |
| opcode_map | ONEBYTE |
| mandatory_prefix | - |
| has_modrm | True |
| vex_l | 0 |
| imm_size_bytes | 1 |
| attributes | KMASK |
| exception_class | AVX512-K20 |
| cpl | 3 |
| raw_encoding | VV1 0x31 V66 V0F3A MOD[0b11] MOD=3 REG[rrr] RM[nnn] W0 VL128 NOVSR UIMM8() |
Operands (3)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | REG0 | REG | w | W | EXPLICIT | MODRM_REG | |
| 1 | REG1 | REG | R | EXPLICIT | MODRM_REG | ||
| 2 | IMM0 | IMM | b | R | EXPLICIT | IMM |
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.