VPBROADCASTB

REG0=XMM_R():w:dq:u8 MEM0:r:b:u8 EMX_BROADCAST_1TO16_8 REG0=XMM_R():w:dq:u8 REG1=XMM_B():r:b:u8 EMX_BROADCAST_1TO16_8 REG0=YMM_R():w:qq:u8 MEM0:r:b:u8 EMX_BROADCAST_1TO32_8 REG0=YMM_R():w:qq:u8 REG1=XMM_B():r:b:u8 EMX_BROADCAST_1TO32_8

x86_64 X86_LEGACY BROADCAST AVX2 source: xed

XED_VPBROADCASTB_X86_LEGACY_ONEBYTE_78_483172

Encoding

encoding_kindX86_LEGACY
opcode_bytes78 78 78 78
opcode_mapONEBYTE
mandatory_prefix-
has_modrmTrue
vex_l1
exception_classavx-type-6
cpl3
raw_encodingVV1 0x78 VL128 V66 V0F38 W0 NOVSR MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() VV1 0x78 VL128 V66 V0F38 W0 NOVSR MOD[0b11] MOD=3 REG[rrr] RM[nnn] VV1 0x78 VL256 V66 V0F38 W0 NOVSR MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() VV1 0x78 VL256 V66 V0F38 W0 NOVSR MOD[0b11] MOD=3 REG[rrr] RM[nnn]

Operands (12)

# 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
2 EMX_BROADCAST_1TO16_8 REG R EXPLICIT
3 REG1 REG w W EXPLICIT MODRM_REG
4 REG2 REG b R EXPLICIT MODRM_REG
5 EMX_BROADCAST_1TO16_8 REG R EXPLICIT
6 REG3 REG w W EXPLICIT MODRM_REG
7 MEM1 MEM b R EXPLICIT MODRM_RM
8 EMX_BROADCAST_1TO32_8 REG R EXPLICIT
9 REG4 REG w W EXPLICIT MODRM_REG
10 REG5 REG b R EXPLICIT MODRM_REG
11 EMX_BROADCAST_1TO32_8 REG R EXPLICIT

Micro-ops sequence (0)

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