/* Mark pseudo REGNO as not living at program point POINT and update
START_DYING.
This finishes the current live range for the pseudo corresponding
to REGNO. */
static void
mark_pseudo_dead (int regno, int point)
{
lra_live_range_t p;
lra_assert (regno >= FIRST_PSEUDO_REGISTER);
lra_assert (sparseset_bit_p (pseudos_live, regno));
sparseset_clear_bit (pseudos_live, regno);
sparseset_set_bit (start_dying, regno);
if (complete_info_p || lra_get_regno_hard_regno (regno) < 0)
{
p = lra_reg_info[regno].live_ranges;
lra_assert (p != NULL);
p->finish = point;
}
}
void
sparseset_and (sparseset d, sparseset a, sparseset b)
{
SPARSESET_ELT_TYPE e;
if (a == b)
{
if (d != a)
sparseset_copy (d, a);
return;
}
if (d == a || d == b)
{
sparseset s = (d == a) ? b : a;
EXECUTE_IF_SET_IN_SPARSESET (d, e)
if (!sparseset_bit_p (s, e))
sparseset_clear_bit (d, e);
}
