vaesdf.vs

Vector AES decryption final round with scalar

This instruction is defined by:

Encoding

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Synopsis

Performs the final round of AES decryption on vector register vs2 using scalar register rs1, storing results in vector register vd according to mask vm. This combines the inverse shift rows, inverse sub bytes, and add round key operations.

Access

M HS U VS VU

Always

Always

Always

Always

Always

Decode Variables

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

Execution

  • Pruned, XLEN == 64

  • Original