register SET.  */
inline int
hard_reg_set_size (HARD_REG_SET set)
{
  int i, size;

  for (size = i = 0; i < FIRST_PSEUDO_REGISTER; i++)
    if (TEST_HARD_REG_BIT (set, i))
      size++;
  return size;
}

/* The function returns TRUE if hard registers starting with
   HARD_REGNO and containing value of MODE are fully in set
   HARD_REGSET.  */
inline bool
ira_hard_reg_in_set_p (int hard_regno, machine_mode mode,
		       HARD_REG_SET hard_regset)
{
  int i;

  ira_assert (hard_regno >= 0);
  for (i = hard_regno_nregs (hard_regno, mode) - 1; i >= 0; i--)
    if (!TEST_HARD_REG_BIT (hard_regset, hard_regno + i))
      return false;
  return true;
}