vssra.vi

Vector signed shift right arithmetic with immediate

This instruction is defined by:

Encoding

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Synopsis

Performs signed arithmetic right shift on elements from vector register vs2 by immediate shift amount and stores results in vector register vd, using vector mask vm. The operation preserves the sign bit.

Access

M HS U VS VU

Always

Always

Always

Always

Always

Decode Variables

Bits<1> vm = $encoding[25];
Bits<5> vs2 = $encoding[24:20];
Bits<5> imm = $encoding[19:15];
Bits<5> vd = $encoding[11:7];

Execution

  • Pruned, XLEN == 64

  • Original