SAR

MEM0:rw:v IMM0:r:b

x86_64 X86_LEGACY SHIFT APX_F_N3 source: xed

XED_SAR_MEMv_IMM8_APX_N3

Encoding

encoding_kindX86_LEGACY
opcode_bytesC1
opcode_mapONEBYTE
mandatory_prefix-
has_modrmTrue
modrm.reg = /7/7
vex_l0
imm_size_bytes1
requires_modelong
attributesAPX_NF DISP8_NO_SCALE
exception_classAPX-EVEX-INT
cpl3
raw_encodingEVV 0xC1 VNP MAP4 MOD[mm] MOD!=3 REG[0b111] RM[nnn] MODRM() ND=0 NF=1 VL128 mode64 NOEVSR ZEROING=0 EVAPX() UIMM8()

Operands (2)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 MEM0 MEM v RW EXPLICIT MODRM_RM
1 IMM0 IMM b R EXPLICIT IMM

Micro-ops sequence (0)

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