vgmul.vv

Vector Galois field multiply

Performs a Galois field multiply operation on vector register vs2 with vector register vs1, storing results in vector register vd according to mask vm. This instruction is used in cryptographic algorithms and error correction codes.

This instruction must have data-independent timing when extension Zkt is enabled.

Assembly format

vgmul.vv vd, vs2

Decode Variables

Bits<5> vs2 = $encoding[24:20];
Bits<5> vd = $encoding[11:7];

Execution

Encoding

svg

Defining extension

Zvkg

Access

M

Always

Containing profiles

  • Mandatory: RVA20S64, RVA20U64, RVA22S64, RVA22U64, RVA23S64, RVA23U64, RVB23S64, RVB23U64

  • Optional: RVB23U64