CMOVB
rv, rv/mv
x86_64 X86_LEGACY APX CMOV source: asmjit
X86_CMOVB_X86_LEGACY_0F_42_721802
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | 42 |
| opcode_map | 0F |
| mandatory_prefix | - |
| has_modrm | True |
| raw_encoding | [RM] 0F 42 /r |
Operands (2)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | OP0 | REG | RW | EXPLICIT | |||
| 1 | OP1 | REG | R | EXPLICIT |
Flag effects (1)
CF = READ
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.