vmv2r.v
No synopsis available.
This instruction is defined by:
-
V, version >= 0
This instruction is included in the following profiles:
-
RVA22S64 (Optional)
-
RVA22U64 (Optional)
Execution
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IDL
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Sail
{
let start_element = get_start_element();
let SEW = get_sew();
let imm_val = unsigned(zero_extend(sizeof(xlen), simm));
let EMUL = imm_val + 1;
if not(EMUL == 1 | EMUL == 2 | EMUL == 4 | EMUL == 8) then { handle_illegal(); return RETIRE_FAIL };
let EMUL_pow = log2(EMUL);
let num_elem = get_num_elem(EMUL_pow, SEW);
let 'n = num_elem;
let 'm = SEW;
let vm_val : vector('n, dec, bool) = read_vmask(num_elem, 0b1, 0b00000);
let vs2_val : vector('n, dec, bits('m)) = read_vreg(num_elem, SEW, EMUL_pow, vs2);
let vd_val : vector('n, dec, bits('m)) = read_vreg(num_elem, SEW, EMUL_pow, vd);
result : vector('n, dec, bits('m)) = undefined;
foreach (i from 0 to (num_elem - 1)) {
result[i] = if i < start_element then vd_val[i] else vs2_val[i]
};
write_vreg(num_elem, SEW, EMUL_pow, vd, result);
vstart = zeros();
RETIRE_SUCCESS
}