FENI8087_NOP
(no syntax)
x86_64 X86_LEGACY X87_ALU X87 source: xed
XED_FENI8087_NOP_X86_LEGACY_ONEBYTE_DB_813836
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | DB |
| opcode_map | ONEBYTE |
| mandatory_prefix | - |
| has_modrm | True |
| modrm.reg = /4 | /4 |
| attributes | NOP NOTSX UNDOCUMENTED |
| cpl | 3 |
| raw_encoding | 0xDB MOD[0b11] MOD=3 REG[0b100] RM[0b000] |
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.