MOV_DR

REG0=DR_R():w REG1=GPR32_B():r REG0=DR_R():w REG1=GPR64_B():r

x86_64 X86_LEGACY DATAXFER I86 source: xed

XED_MOV_DR_X86_LEGACY_0F_23_520833

Encoding

encoding_kindX86_LEGACY
opcode_bytes23 0F 23
opcode_map0F
mandatory_prefix-
has_modrmTrue
requires_modelong
attributesRING0 NOTSX
cpl0
raw_encoding0x0F 0x23 MOD[mm] REG[rrr] RM[nnn] CR_WIDTH() not64 0x0F 0x23 MOD[mm] REG[rrr] RM[nnn] CR_WIDTH() mode64

Operands (4)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 REG0 REG w W EXPLICIT MODRM_REG
1 REG1 REG R EXPLICIT MODRM_REG
2 REG2 REG w W EXPLICIT MODRM_REG
3 REG3 REG R EXPLICIT MODRM_REG

Micro-ops sequence (0)

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