@@ -189,9 +189,16 @@ range_query::get_tree_range (vrange &r, tree expr, gimple *stmt)
{
frange &f = as_a <frange> (r);
REAL_VALUE_TYPE *rv = TREE_REAL_CST_PTR (expr);
- f.set (TREE_TYPE (expr), *rv, *rv);
- if (!real_isnan (rv))
- f.clear_nan ();
+ if (real_isnan (rv))
+ {
+ bool sign = real_isneg (rv);
+ f.set_nan (TREE_TYPE (expr), sign);
+ }
+ else
+ {
+ nan_state nan (false);
+ f.set (TREE_TYPE (expr), *rv, *rv, nan);
+ }
return true;
}
@@ -359,14 +359,7 @@ frange::set (tree type,
gcc_unreachable ();
}
- // Handle NANs.
- if (real_isnan (&min) || real_isnan (&max))
- {
- gcc_checking_assert (real_identical (&min, &max));
- bool sign = real_isneg (&min);
- set_nan (type, sign);
- return;
- }
+ gcc_checking_assert (!real_isnan (&min) && !real_isnan (&max));
m_kind = kind;
m_type = type;