vssra.vx

Vector signed shift right arithmetic with scalar

This instruction is defined by:

Encoding

svg

Synopsis

Performs signed arithmetic right shift on elements from vector register vs2 by shift amount from scalar register xs1 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> xs1 = $encoding[19:15];
Bits<5> vd = $encoding[11:7];

Execution

  • Pruned, XLEN == 64

  • Original