MOVSXD
REG0=GPRv_R():w REG1=GPRz_B():r
x86_64 X86_LEGACY DATAXFER LONGMODE source: xed
XED_MOVSXD_X86_LEGACY_ONEBYTE_63_865356
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | 63 |
| opcode_map | ONEBYTE |
| mandatory_prefix | - |
| has_modrm | True |
| requires_mode | long |
| cpl | 3 |
| raw_encoding | 0x63 MOD[0b11] MOD=3 REG[rrr] RM[nnn] mode64 |
Operands (2)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | REG0 | REG | w | W | EXPLICIT | MODRM_REG | |
| 1 | REG1 | REG | R | EXPLICIT | MODRM_REG |
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.