CMPSQ
MEM0:r:SUPP:q BASE0=ArSI():rw:SUPP SEG0=FINAL_DSEG():r:SUPP MEM1:r:SUPP:q BASE1=ArDI():rw:SUPP SEG1=FINAL_ESEG1():r:SUPP
x86_64 X86_LEGACY STRINGOP LONGMODE source: xed
XED_CMPSQ_X86_LEGACY_ONEBYTE_A7_560072
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | A7 |
| opcode_map | ONEBYTE |
| mandatory_prefix | - |
| has_modrm | False |
| rex_w | 1 |
| requires_mode | long |
| attributes | fixed_base0 fixed_base1 |
| cpl | 3 |
| raw_encoding | 0xA7 mode64 rexw_prefix norep norex2_prefix OVERRIDE_SEG0() |
Operands (6)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | MEM0 | MEM | q | R | SUPPRESSED | MODRM_RM | |
| 1 | BASE0 | REG | RW | SUPPRESSED | |||
| 2 | SEG0 | REG | R | SUPPRESSED | |||
| 3 | MEM1 | MEM | q | R | SUPPRESSED | MODRM_RM | |
| 4 | BASE1 | REG | RW | SUPPRESSED | |||
| 5 | SEG1 | REG | R | SUPPRESSED |
Flag effects (7)
CF = WRITE
PF = WRITE
AF = WRITE
ZF = WRITE
SF = WRITE
DF = READ
OF = WRITE
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.