REP_STOSQ

MEM0:cw:SUPP:q BASE0=ArDI():rcw:SUPP SEG0=FINAL_ESEG():r:SUPP REG0=XED_REG_RAX:r:SUPP REG1=ArCX():rcw:SUPP MEM0:cw:SUPP:q BASE0=ArDI():rcw:SUPP SEG0=FINAL_ESEG():r:SUPP REG0=XED_REG_RAX:r:SUPP REG1=ArCX():rcw:SUPP

x86_64 X86_LEGACY STRINGOP LONGMODE source: xed

XED_REP_STOSQ_X86_LEGACY_ONEBYTE_AB_553366

Encoding

encoding_kindX86_LEGACY
opcode_bytesAB AB
opcode_mapONEBYTE
mandatory_prefix-
has_modrmFalse
rex_w1
requires_modelong
attributesREP fixed_base0
cpl3
raw_encoding0xAB mode64 rexw_prefix repe norex2_prefix 0xAB mode64 rexw_prefix repne norex2_prefix

Operands (10)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 MEM0 MEM q CW SUPPRESSED MODRM_RM
1 BASE0 REG R SUPPRESSED
2 SEG0 REG R SUPPRESSED
3 REG0 REG (=RAX) R SUPPRESSED MODRM_REG
4 REG1 REG R SUPPRESSED MODRM_REG
5 MEM1 MEM q CW SUPPRESSED MODRM_RM
6 BASE0 REG R SUPPRESSED
7 SEG0 REG R SUPPRESSED
8 REG2 REG (=RAX) R SUPPRESSED MODRM_REG
9 REG3 REG 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.