VPCOMUQ
REG0=XMM_R():w:dq:u64 REG1=XMM_N():r:dq:u64 MEM0:r:dq:u64 IMM0:r:b:u8 REG0=XMM_R():w:dq:u64 REG1=XMM_N():r:dq:u64 REG2=XMM_B():r:dq:u64 IMM0:r:b:u8
x86_64 X86_LEGACY XOP XOP source: xed
XED_VPCOMUQ_X86_LEGACY_ONEBYTE_EF_19510
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | EF EF |
| opcode_map | ONEBYTE |
| mandatory_prefix | - |
| has_modrm | True |
| vex_l | 0 |
| imm_size_bytes | 1 |
| attributes | AMDONLY |
| cpl | 3 |
| raw_encoding | XOPV 0xEF VNP W0 VL128 XMAP8 MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() UIMM8() XOPV 0xEF VNP W0 VL128 XMAP8 MOD[0b11] MOD=3 REG[rrr] RM[nnn] UIMM8() |
Operands (8)
| # | 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 | MEM0 | MEM | R | EXPLICIT | MODRM_RM | ||
| 3 | IMM0 | IMM | b | R | EXPLICIT | IMM | |
| 4 | REG2 | REG | w | W | EXPLICIT | MODRM_REG | |
| 5 | REG3 | REG | R | EXPLICIT | MODRM_REG | ||
| 6 | REG4 | REG | R | EXPLICIT | MODRM_REG | ||
| 7 | 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.