CQO
REG0=XED_REG_RDX:w:SUPP REG1=XED_REG_RAX:r:SUPP
x86_64 X86_LEGACY CONVERT LONGMODE source: xed
XED_CQO_X86_LEGACY_ONEBYTE_99_962559
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | 99 |
| opcode_map | ONEBYTE |
| mandatory_prefix | - |
| has_modrm | False |
| rex_w | 1 |
| requires_mode | long |
| cpl | 3 |
| raw_encoding | 0x99 mode64 rexw_prefix |
Operands (2)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | REG0 | REG | (=RDX) | w | W | SUPPRESSED | MODRM_REG |
| 1 | REG1 | REG | (=RAX) | R | SUPPRESSED | MODRM_REG |
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.