VPHADDUBW

REG0=XMM_R():w:dq:u16 MEM0:r:dq:u8 REG0=XMM_R():w:dq:u16 REG1=XMM_B():r:dq:u8

x86_64 X86_LEGACY XOP XOP source: xed

XED_VPHADDUBW_X86_LEGACY_ONEBYTE_D1_227985

Encoding

encoding_kindX86_LEGACY
opcode_bytesD1 D1
opcode_mapONEBYTE
mandatory_prefix-
has_modrmTrue
vex_l0
attributesAMDONLY
cpl3
raw_encodingXOPV 0xD1 VNP W0 VL128 NOVSR XMAP9 MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() XOPV 0xD1 VNP W0 VL128 NOVSR XMAP9 MOD[0b11] MOD=3 REG[rrr] RM[nnn]

Operands (4)

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

Micro-ops sequence (0)

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