SHLD

REG0=GPRv_N():w:v MEM0:r:v REG1=GPRv_R():r:v REG2=XED_REG_CL:r:IMPL

x86_64 X86_LEGACY SHIFT APX_F_N3 source: xed

XED_SHLD_GPRv_MEMv_GPRv_CL_APX_N3

Encoding

encoding_kindX86_LEGACY
opcode_bytesA5
opcode_mapONEBYTE
mandatory_prefix-
has_modrmTrue
vex_l0
requires_modelong
attributesAPX_NDD DISP8_NO_SCALE
exception_classAPX-EVEX-INT
cpl3
raw_encodingEVV 0xA5 VNP MAP4 MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() ND=1 NF=0 VL128 mode64 ZEROING=0 EVAPX()

Operands (4)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 REG0 REG w W EXPLICIT MODRM_REG
1 MEM0 MEM v R EXPLICIT MODRM_RM
2 REG1 REG v R EXPLICIT MODRM_REG
3 REG2 REG (=CL) R IMPLICIT MODRM_REG

Micro-ops sequence (0)

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