VPBROADCASTB

REG0=ZMM_R3():w:zu8 REG1=MASK1():r:mskw:TXT=ZEROSTR REG2=XMM_B3():r:dq:u8 EMX_BROADCAST_1TO64_8

x86_64 X86_LEGACY BROADCAST AVX512BW_512 source: xed

XED_VPBROADCASTB_ZMMu8_MASKmskw_XMMu8_AVX512

Encoding

encoding_kindX86_LEGACY
opcode_bytes78
opcode_mapONEBYTE
mandatory_prefix-
has_modrmTrue
vex_l2
attributesMASKOP_EVEX
exception_classAVX512-E6
cpl3
raw_encodingEVV 0x78 V66 V0F38 MOD[0b11] MOD=3 BCRC=0 UBIT=1 REG[rrr] RM[nnn] W0 VL512 NOEVSR

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 REG2 REG R EXPLICIT MODRM_REG
3 EMX_BROADCAST_1TO64_8 REG R EXPLICIT

Micro-ops sequence (0)

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