vfncvtbf16.f.f.w

Vector narrowing single-precision to BFloat16 conversion

Converts each single-precision floating-point element in vector register vs2 to BFloat16 format, storing results in vector register vd according to mask vm. This is a narrowing conversion that compresses 32-bit single-precision values to 16-bit BFloat16 values.

Assembly format

vfncvtbf16.f.f.w vd, vs2, vm

Decode Variables

Bits<1> vm = $encoding[25];
Bits<5> vs2 = $encoding[24:20];
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