REPNE_CMPSD

MEM0:cr:SUPP:d BASE0=ArSI():rcw:SUPP SEG0=FINAL_DSEG():r:SUPP MEM1:cr:SUPP:d BASE1=ArDI():rcw:SUPP SEG1=FINAL_ESEG1():r:SUPP REG0=ArCX():rcw:SUPP MEM0:cr:SUPP:d BASE0=ArSI():rcw:SUPP SEG0=FINAL_DSEG():r:SUPP MEM1:cr:SUPP:d BASE1=ArDI():rcw:SUPP SEG1=FINAL_ESEG1():r:SUPP REG0=ArCX():rcw:SUPP MEM0:cr:SUPP:d BASE0=ArSI():rcw:SUPP SEG0=FINAL_DSEG():r:SUPP MEM1:cr:SUPP:d BASE1=ArDI():rcw:SUPP SEG1=FINAL_ESEG1():r:SUPP REG0=ArCX():rcw:SUPP

x86_64 X86_LEGACY STRINGOP I386 source: xed

XED_REPNE_CMPSD_X86_LEGACY_ONEBYTE_A7_725922

Encoding

encoding_kindX86_LEGACY
opcode_bytesA7 A7 A7
opcode_mapONEBYTE
mandatory_prefix-
has_modrmFalse
requires_modelong
attributesREP fixed_base0 fixed_base1
cpl3
raw_encoding0xA7 mode16 66_prefix repne OVERRIDE_SEG0() 0xA7 mode32 no66_prefix repne OVERRIDE_SEG0() 0xA7 mode64 norexw_prefix no66_prefix repne norex2_prefix OVERRIDE_SEG0()

Operands (21)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 MEM0 MEM d CR SUPPRESSED MODRM_RM
1 BASE0 REG R SUPPRESSED
2 SEG0 REG R SUPPRESSED
3 MEM1 MEM d CR SUPPRESSED MODRM_RM
4 BASE1 REG R SUPPRESSED
5 SEG1 REG R SUPPRESSED
6 REG0 REG R SUPPRESSED MODRM_REG
7 MEM2 MEM d CR SUPPRESSED MODRM_RM
8 BASE0 REG R SUPPRESSED
9 SEG0 REG R SUPPRESSED
10 MEM3 MEM d CR SUPPRESSED MODRM_RM
11 BASE1 REG R SUPPRESSED
12 SEG1 REG R SUPPRESSED
13 REG1 REG R SUPPRESSED MODRM_REG
14 MEM4 MEM d CR SUPPRESSED MODRM_RM
15 BASE0 REG R SUPPRESSED
16 SEG0 REG R SUPPRESSED
17 MEM5 MEM d CR SUPPRESSED MODRM_RM
18 BASE1 REG R SUPPRESSED
19 SEG1 REG R SUPPRESSED
20 REG2 REG R SUPPRESSED MODRM_REG

Flag effects (7)

CF = WRITE PF = WRITE AF = WRITE ZF = READWRITE 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.