LFS
REG0=GPRv_R():w MEM0:r:p2 REG1=XED_REG_FS:w:SUPP
x86_64 X86_LEGACY SEGOP I386 source: xed
XED_LFS_X86_LEGACY_0F_B4_913165
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | B4 |
| opcode_map | 0F |
| mandatory_prefix | - |
| has_modrm | True |
| attributes | NOTSX |
| cpl | 3 |
| raw_encoding | 0x0F 0xB4 MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() |
Operands (3)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | REG0 | REG | w | W | EXPLICIT | MODRM_REG | |
| 1 | MEM0 | MEM | R | EXPLICIT | MODRM_RM | ||
| 2 | REG1 | REG | (=FS) | w | W | SUPPRESSED | MODRM_REG |
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.