VPBROADCASTB

REG0=XMM_R3():w:dq:u8 REG1=MASK1():r:mskw:TXT=ZEROSTR MEM0:r:b:u8 EMX_BROADCAST_1TO16_8

x86_64 X86_LEGACY BROADCAST AVX512BW_128 source: xed

XED_VPBROADCASTB_XMMu8_MASKmskw_MEMu8_AVX512

Encoding

encoding_kindX86_LEGACY
opcode_bytes78
opcode_mapONEBYTE
mandatory_prefix-
has_modrmTrue
vex_l0
attributesDISP8_TUPLE1_BYTE MASKOP_EVEX MEMORY_FAULT_SUPPRESSION
exception_classAVX512-E6
cpl3
raw_encodingEVV 0x78 V66 V0F38 MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() BCRC=0 UBIT=1 W0 VL128 NOEVSR ESIZE_8_BITS() NELEM_ONE()

Operands (4)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 REG0 REG w W EXPLICIT MODRM_REG
1 REG1 REG R EXPLICIT MODRM_REG
2 MEM0 MEM b R EXPLICIT MODRM_RM
3 EMX_BROADCAST_1TO16_8 REG R EXPLICIT

Micro-ops sequence (0)

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