VEXTRACTF128
MEM0:w:dq:f64 REG0=YMM_R():r:qq:f64 IMM0:r:b REG0=XMM_B():w:dq:f64 REG1=YMM_R():r:qq:f64 IMM0:r:b
x86_64 X86_LEGACY AVX AVX source: xed
XED_VEXTRACTF128_X86_LEGACY_ONEBYTE_19_268554
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | 19 19 |
| opcode_map | ONEBYTE |
| mandatory_prefix | - |
| has_modrm | True |
| vex_l | 1 |
| imm_size_bytes | 1 |
| exception_class | avx-type-6 |
| cpl | 3 |
| raw_encoding | VV1 0x19 norexw_prefix VL256 V66 V0F3A NOVSR MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() UIMM8() VV1 0x19 norexw_prefix VL256 V66 V0F3A NOVSR MOD[0b11] MOD=3 REG[rrr] RM[nnn] UIMM8() |
Operands (6)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | MEM0 | MEM | w | W | EXPLICIT | MODRM_RM | |
| 1 | REG0 | REG | f64 | R | EXPLICIT | MODRM_REG | |
| 2 | IMM0 | IMM | b | R | EXPLICIT | IMM | |
| 3 | REG1 | REG | w | W | EXPLICIT | MODRM_REG | |
| 4 | REG2 | REG | f64 | R | EXPLICIT | MODRM_REG | |
| 5 | IMM1 | IMM | b | R | EXPLICIT | IMM |
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.