vrgather.vx

Vector register gather with scalar index

This instruction is defined by:

Encoding

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Synopsis

Gathers elements from vector register vs2 using scalar index from register xs1 and stores results in vector register vd, using vector mask vm. This operation performs indexed element selection.

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