LSL

REG0=GPRv_R():rw MEM0:r:w REG0=GPRv_R():rw REG1=GPRz_B():r

x86_64 X86_LEGACY SYSTEM I286PROTECTED source: xed

XED_LSL_X86_LEGACY_0F_03_891426

Encoding

encoding_kindX86_LEGACY
opcode_bytes03 0F 03
opcode_map0F
mandatory_prefix-
has_modrmTrue
attributesPROTECTED_MODE
cpl3
raw_encoding0x0F 0x03 MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() 0x0F 0x03 MOD[0b11] MOD=3 REG[rrr] RM[nnn]

Operands (4)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 REG0 REG RW EXPLICIT MODRM_REG
1 MEM0 MEM w R EXPLICIT MODRM_RM
2 REG1 REG RW EXPLICIT MODRM_REG
3 REG2 REG R EXPLICIT MODRM_REG

Flag effects (1)

ZF = WRITE

Micro-ops sequence (0)

No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.