vmor.mm
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Decode Variables
Bits<5> vs2 = $encoding[24:20];
Bits<5> vs1 = $encoding[19:15];
Bits<5> vd = $encoding[11:7];Execution
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IDL
-
Sail
{
let SEW = get_sew();
let LMUL_pow = get_lmul_pow();
let num_elem = unsigned(vlenb) * 8;
if illegal_vd_unmasked() then { handle_illegal(); return RETIRE_FAIL };
let 'n = num_elem;
let 'm = SEW;
let vs1_val : vector('n, dec, bool) = read_vmask(num_elem, 0b0, vs1);
let vs2_val : vector('n, dec, bool) = read_vmask(num_elem, 0b0, vs2);
let vd_val : vector('n, dec, bool) = read_vmask(num_elem, 0b0, vd);
result : vector('n, dec, bool) = undefined;
mask : vector('n, dec, bool) = undefined;
(result, mask) = init_masked_result_carry(num_elem, SEW, 0, vd_val);
foreach (i from 0 to (num_elem - 1)) {
if mask[i] then {
result[i] = match funct6 {
MM_VMAND => vs2_val[i] & vs1_val[i],
MM_VMNAND => not(vs2_val[i] & vs1_val[i]),
MM_VMANDNOT => vs2_val[i] & not(vs1_val[i]),
MM_VMXOR => vs2_val[i] != vs1_val[i],
MM_VMOR => vs2_val[i] | vs1_val[i],
MM_VMNOR => not(vs2_val[i] | vs1_val[i]),
MM_VMORNOT => vs2_val[i] | not(vs1_val[i]),
MM_VMXNOR => vs2_val[i] == vs1_val[i]
}
}
};
write_vmask(num_elem, vd, result);
vstart = zeros();
RETIRE_SUCCESS
}