MOVRS

REG0=GPR8_R():w:b:i8 MEM0:r:b:i8

x86_64 X86_LEGACY APX MOVRS source: xed

XED_MOVRS_GPR8i8_MEMi8

Encoding

encoding_kindX86_LEGACY
opcode_bytes8A
opcode_map0F38
mandatory_prefix-
has_modrmTrue
requires_modelong
attributesBYTEOP
exception_classLEGACY-MOVRS
cpl3
raw_encoding0x0F 0x38 0x8A MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() norep mode64

Operands (2)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 REG0 REG w W EXPLICIT MODRM_REG
1 MEM0 MEM b R EXPLICIT MODRM_RM

Micro-ops sequence (0)

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