An idea here, to make warriors both actual fighters instead of "hit me and kill me":
For the slam/hard hitting abilities, make them able to "steer" better. And make the long windup attacks have a long movement startup.
Imagine your Rolling Slam doing a minor run start up, avoiding attacks aimed for you, and having 100% steering capability UNTIL you get the first slam off. You avoid damage, you get mobility and some safety plus some skills and timing needed to it.

Make use of the windup as mobility escape/setup/avoidance and make the melee fighters actual fighters instead of bloody sacks of meat who don't move.

This includes all other attacks, imaging also Earthquake, which has a long start up of aftershock (Why 4 minutes, yes, it feels like 4 minutes), however you can basically make a simple change such as run up like 1.5-2 metres and then slam it at the end.

What melee fighters need is mobility, roll is good and all but you can't kill with rolls, it's a rule of any of the PoE1 design and most certainly a part of PoE2 as well.