SHR

MEM0:rw:v REG0=XED_REG_CL:r:IMPL

x86_64 X86_LEGACY SHIFT I86 source: xed

XED_SHR_X86_LEGACY_ONEBYTE_D3_109744

Encoding

encoding_kindX86_LEGACY
opcode_bytesD3
opcode_mapONEBYTE
mandatory_prefix-
has_modrmTrue
modrm.reg = /5/5
cpl3
raw_encoding0xD3 MOD[mm] MOD!=3 REG[0b101] RM[nnn] MODRM()

Operands (2)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 MEM0 MEM v RW EXPLICIT MODRM_RM
1 REG0 REG (=CL) R IMPLICIT MODRM_REG

Flag effects (6)

CF = WRITE PF = WRITE AF = UNDEFINED ZF = WRITE SF = WRITE OF = UNDEFINED

Micro-ops sequence (0)

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