PSLLW

REG0=MMX_B():rw:q:u16 IMM0:r:b

x86_64 X86_LEGACY MMX PENTIUMMMX source: xed

XED_PSLLW_X86_LEGACY_0F_71_324191

Encoding

encoding_kindX86_LEGACY
opcode_bytes71
opcode_map0F
mandatory_prefix-
has_modrmTrue
modrm.reg = /6/6
imm_size_bytes1
attributesNOTSX
exception_classmmx-mem
cpl3
raw_encoding0x0F 0x71 no_refining_prefix MOD[0b11] MOD=3 REG[0b110] RM[nnn] UIMM8()

Operands (2)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 REG0 REG q RW EXPLICIT MODRM_REG
1 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.