On Wed, Mar 22, 2023 at 07:32:44AM +0100, Aldy Hernandez wrote:
> * value-range.cc (frange::set): Add nan_state argument.
> * value-range.h (class nan_state): New.
> (frange::get_nan_state): New.
The following patch makes use of those changes in float_widen_lhs_range.
2023-03-28 Jakub Jelinek <jakub@redhat.com>
* range-op-float.cc (float_widen_lhs_range): Use pass get_nan_state
as 4th argument to set to avoid clear_nan and union_ calls.
or real_max_representable (type) as upper bound. */
bool save_flag_finite_math_only = flag_finite_math_only;
flag_finite_math_only = false;
- ret.set (type, lb, ub);
- if (lhs.kind () != VR_VARYING)
- {
- ret.clear_nan ();
- ret.union_ (lhs);
- }
+ ret.set (type, lb, ub, lhs.get_nan_state ());
flag_finite_math_only = save_flag_finite_math_only;
return ret;
}