BSR
rv, rv/mv
x86_64 X86_LEGACY BITBYTE source: asmjit
X86_BSR_X86_LEGACY_0F_BD_721802
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | BD |
| opcode_map | 0F |
| mandatory_prefix | - |
| has_modrm | True |
| raw_encoding | [RM] 0F BD /r |
Operands (2)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | OP0 | REG | RW | EXPLICIT | |||
| 1 | OP1 | REG | R | EXPLICIT |
Flag effects (6)
CF = UNDEFINED
PF = UNDEFINED
AF = UNDEFINED
ZF = WRITE
SF = UNDEFINED
OF = UNDEFINED
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.