vsm4r.vs

Vector SM4 round function with scalar

Performs SM4 round function operation on vector register vs2 using scalar register rs1, storing results in vector register vd according to mask vm. This is used in SM4 block cipher encryption/decryption rounds.

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

Assembly format

vsm4r.vs vd, vs2

Decode Variables

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

Execution

Encoding

svg

Defining extension

Zvksed

Access

M

Always

Containing profiles

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

  • Optional: None