PSLLW
REG0=XMM_R():rw:dq:u16 MEM0:r:dq
x86_64 X86_LEGACY MMX SSE2 source: xed
XED_PSLLW_X86_LEGACY_0F_F1_331588
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | F1 |
| opcode_map | 0F |
| mandatory_prefix | - |
| has_modrm | True |
| attributes | REQUIRES_ALIGNMENT |
| exception_class | SSE_TYPE_4 |
| cpl | 3 |
| raw_encoding | 0x0F 0xF1 osz_refining_prefix MOD[mm] MOD!=3 REG[rrr] RM[nnn] REFINING66() MODRM() |
Operands (2)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | REG0 | REG | RW | EXPLICIT | MODRM_REG | ||
| 1 | MEM0 | MEM | R | EXPLICIT | MODRM_RM |
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.