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_kindX86_LEGACY
opcode_bytesF7
opcode_map0F
mandatory_prefix-
has_modrmTrue
attributesfixed_base0 maskop NOTSX NONTEMPORAL
exception_classmmx-nofp2
cpl3
raw_encoding0x0F 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.