MASKMOVQ
REG0=MMX_R():r:q:u8 REG1=MMX_B():r:q:i8 MEM0:w:q:SUPP BASE0=ArDI():r:SUPP SEG0=FINAL_DSEG():r:SUPP
x86_64 X86_LEGACY DATAXFER PENTIUMMMX source: xed
XED_MASKMOVQ_X86_LEGACY_0F_F7_652809
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | F7 |
| opcode_map | 0F |
| mandatory_prefix | - |
| has_modrm | True |
| attributes | fixed_base0 maskop NOTSX NONTEMPORAL |
| exception_class | mmx-nofp2 |
| cpl | 3 |
| raw_encoding | 0x0F 0xF7 no_refining_prefix MOD[0b11] MOD=3 REG[rrr] RM[nnn] OVERRIDE_SEG0() |
Operands (5)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | REG0 | REG | q | R | EXPLICIT | MODRM_REG | |
| 1 | REG1 | REG | q | R | EXPLICIT | MODRM_REG | |
| 2 | MEM0 | MEM | w | W | SUPPRESSED | MODRM_RM | |
| 3 | BASE0 | REG | R | SUPPRESSED | |||
| 4 | SEG0 | REG | R | SUPPRESSED |
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.