vlm.v

No synopsis available.

This instruction is defined by:

  • V, version >= 0

This instruction is included in the following profiles:

  • RVA22S64 (Optional)

  • RVA22U64 (Optional)

Encoding

svg

Assembly format

vlm.v rs1, vd

Synopsis

No description available.

Access

M HS U VS VU

Always

Always

Always

Always

Always

Decode Variables

Bits<5> rs1 = $encoding[19:15];
Bits<5> vd = $encoding[11:7];

Execution

  • IDL

  • Sail

{
  let EEW = 8;
  let EMUL_pow = 0;
  let vl_val = unsigned(vl);
  let evl : int = if vl_val % 8 == 0 then vl_val / 8 else vl_val / 8 + 1; /* the effective vector length is evl=ceil(vl/8) */
  let num_elem = get_num_elem(EMUL_pow, EEW);

  if illegal_vd_unmasked() then { handle_illegal(); return RETIRE_FAIL };

  assert(evl >= 0);
  process_vm(vd_or_vs3, rs1, num_elem, evl, op)
}