STOSQ
MEM0:w:SUPP:q BASE0=ArDI():rw:SUPP SEG0=FINAL_ESEG():r:SUPP REG0=XED_REG_RAX:r:SUPP
x86_64 X86_LEGACY STRINGOP LONGMODE source: xed
XED_STOSQ_X86_LEGACY_ONEBYTE_AB_535739
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | AB |
| opcode_map | ONEBYTE |
| mandatory_prefix | - |
| has_modrm | False |
| rex_w | 1 |
| requires_mode | long |
| attributes | fixed_base0 |
| cpl | 3 |
| raw_encoding | 0xAB mode64 rexw_prefix norep norex2_prefix |
Operands (4)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | MEM0 | MEM | w | W | SUPPRESSED | MODRM_RM | |
| 1 | BASE0 | REG | RW | SUPPRESSED | |||
| 2 | SEG0 | REG | R | SUPPRESSED | |||
| 3 | REG0 | REG | (=RAX) | R | SUPPRESSED | MODRM_REG |
Flag effects (1)
DF = READ
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.