vfwmaccbf16.vf

Vector widening BFloat16 multiply-accumulate with scalar

This instruction is defined by:

Encoding

svg

Synopsis

Performs a BFloat16 multiply-accumulate operation on each element in vector register vs2 with scalar register rs1, accumulating results in vector register vd according to mask vm. This is a widening operation that produces single-precision results.

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> fs1 = $encoding[19:15];
Bits<5> vd = $encoding[11:7];

Execution

  • Pruned, XLEN == 64

  • Original