VGF2P8MULB

REG0=XMM_R3():w:dq:u8 REG1=MASK1():r:mskw:TXT=ZEROSTR REG2=XMM_N3():r:dq:u8 MEM0:r:dq:u8

x86_64 X86_LEGACY GFNI AVX512_GFNI_128 source: xed

XED_VGF2P8MULB_XMMu8_MASKmskw_XMMu8_MEMu8_AVX512

Encoding

encoding_kindX86_LEGACY
opcode_bytesCF
opcode_mapONEBYTE
mandatory_prefix-
has_modrmTrue
vex_l0
attributesMEMORY_FAULT_SUPPRESSION MASKOP_EVEX DISP8_FULLMEM
exception_classAVX512-E4
cpl3
raw_encodingEVV 0xCF V66 V0F38 MOD[mm] MOD!=3 UBIT=1 REG[rrr] RM[nnn] BCRC=0 MODRM() VL128 W0 ESIZE_8_BITS() NELEM_FULLMEM()

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 MEM0 MEM R EXPLICIT MODRM_RM

Micro-ops sequence (0)

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