vwmaccu.vx

Vector widening unsigned multiply-add with scalar

This instruction is defined by:

Encoding

svg

Synopsis

Performs widening unsigned multiplication on elements from vector register vs2 and scalar register xs1, adds the result to elements from vector register vd, and stores the final results in vector register vd, using vector mask vm.

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