vfredosum.vs

No synopsis available.

This instruction is defined by:

V, version >= 0

This instruction is included in the following profiles:

RVA22U64 (Optional)

Encoding

Assembly format

vfredosum.vs vm, vs2, vs1, vd

Synopsis

No description available.

Access

M	HS	U	VS	VU
Always	Always	Always	Always	Always

Always

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

IDL
Sail

{
  let SEW      = get_sew();
  let LMUL_pow = get_lmul_pow();
  let num_elem_vs = get_num_elem(LMUL_pow, SEW);

  if funct6 == FVV_VFWREDOSUM | funct6 == FVV_VFWREDUSUM then
    process_rfvv_widen(funct6, vm, vs2, vs1, vd, num_elem_vs, SEW, LMUL_pow)
  else
    process_rfvv_single(funct6, vm, vs2, vs1, vd, num_elem_vs, SEW, LMUL_pow)
}