SAHF
REG0=XED_REG_AH:r:SUPP
x86_64 X86_LEGACY FLAGOP LAHF source: xed
XED_SAHF_X86_LEGACY_ONEBYTE_9E_567286
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | 9E |
| opcode_map | ONEBYTE |
| mandatory_prefix | - |
| has_modrm | False |
| cpl | 3 |
| raw_encoding | 0x9E |
Operands (1)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | REG0 | REG | (=AH) | R | SUPPRESSED | MODRM_REG |
Flag effects (5)
CF = WRITE
PF = WRITE
AF = WRITE
ZF = WRITE
SF = WRITE
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.