vwmul.vx

Vector widening signed multiplication with scalar

This instruction is defined by:

Encoding

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Synopsis

Performs signed multiplication 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 signed arithmetic rules.

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