Trump absolutely has used fascist tactics to incite perception - fear and blame - to gain support.
I think it's wrong to label these tactics as fascist. FUD is a pretty standard tactic worldwide, and used by despots of all persuasions.
To use blatant racism, targeting entire races and cultures, threatening to deport millions of people, to build physical walls, to revoke treaties and agreements with other nations, isolationism and strong nationalism?
Check to all. Yes - he's a fascist. It's just a name, don't be afraid to use it.