vfwmaccbf16.vv

Vector widening BFloat16 multiply-accumulate

Performs a BFloat16 multiply-accumulate operation on each element in vector register vs2 with the corresponding element in vector register vs1, accumulating results in vector register vd according to mask vm. This is a widening operation that produces single-precision results.

Assembly format

vfwmaccbf16.vv vd, vs1, vs2, vm

Decode Variables

Bits<1> vm = $encoding[25];
Bits<5> vs2 = $encoding[24:20];
Bits<5> vs1 = $encoding[19:15];
Bits<5> vd = $encoding[11:7];

Execution

Encoding

svg

Defining extension

Access

M

Always

Containing profiles

  • Mandatory: RVA20S64, RVA20U64, RVA22S64, RVA22U64, RVA23S64, RVA23U64, RVB23S64, RVB23U64

  • Optional: RVA23U64, RVB23U64, RVI20U32, RVI20U64