REP_XCRYPTCBC

MEM0:w:SUPP:b REG0=OrCX():rw:SUPP REG1=OrDX():r:SUPP REG2=OrBX():r:SUPP REG3=ArAX():r:SUPP BASE0=ArDI():rw:SUPP SEG0=FINAL_ESEG():r:SUPP MEM1:cr:SUPP:b BASE1=ArSI():rcw:SUPP SEG1=FINAL_DSEG1():r:SUPP

x86_64 X86_LEGACY VIA_PADLOCK VIA_PADLOCK_AES source: xed

XED_REP_XCRYPTCBC_X86_LEGACY_0F_A7_741917

Encoding

encoding_kindX86_LEGACY
opcode_bytesA7
opcode_map0F
mandatory_prefix-
has_modrmTrue
modrm.reg = /2/2
attributesREP FIXED_BASE0 BYTEOP
cpl3
raw_encoding0x0F 0xA7 MOD[0b11] REG[0b010] RM[0b000] f3_refining_prefix

Operands (10)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 MEM0 MEM w W SUPPRESSED MODRM_RM
1 REG0 REG RW SUPPRESSED MODRM_REG
2 REG1 REG R SUPPRESSED MODRM_REG
3 REG2 REG R SUPPRESSED MODRM_REG
4 REG3 REG R SUPPRESSED MODRM_REG
5 BASE0 REG RW SUPPRESSED
6 SEG0 REG R SUPPRESSED
7 MEM1 MEM b CR SUPPRESSED MODRM_RM
8 BASE1 REG R SUPPRESSED
9 SEG1 REG R SUPPRESSED

Micro-ops sequence (0)

No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.