PUNPCKHDQ
REG0=XMM_R():rw:dq MEM0:r:dq REG0=XMM_R():rw:dq REG1=XMM_B():r:q
x86_64 X86_LEGACY MMX SSE2 source: xed
XED_PUNPCKHDQ_X86_LEGACY_0F_6A_816057
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | 6A 0F 6A |
| opcode_map | 0F |
| mandatory_prefix | - |
| has_modrm | True |
| attributes | SKIPLOW64 REQUIRES_ALIGNMENT |
| exception_class | SSE_TYPE_4 |
| cpl | 3 |
| raw_encoding | 0x0F 0x6A osz_refining_prefix MOD[mm] MOD!=3 REG[rrr] RM[nnn] REFINING66() MODRM() 0x0F 0x6A osz_refining_prefix MOD[0b11] MOD=3 REG[rrr] RM[nnn] REFINING66() |
Operands (4)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | REG0 | REG | RW | EXPLICIT | MODRM_REG | ||
| 1 | MEM0 | MEM | R | EXPLICIT | MODRM_RM | ||
| 2 | REG1 | REG | RW | EXPLICIT | MODRM_REG | ||
| 3 | REG2 | REG | q | R | EXPLICIT | MODRM_REG |
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.