vwadd.vx

Vector widening unsigned addition with scalar

Performs unsigned addition on elements from vector register vs2 and scalar register xs1, widens the results, and stores them in vector register vd, using vector mask vm. The operation follows standard unsigned arithmetic rules.

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

Assembly format

vwadd.vx vd, vs2, xs1, vm

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

Encoding

svg

Defining extension

Access

M

Always

Containing profiles

  • Mandatory: None

  • Optional: None