+ extend node_not_zero to take range types into account

  + aarch64: if no FPC_DIVBYZERO call is needed, div nodes do not generate calls

compiler/aarch64/ncpumat.pas

@@ -63,7 +63,7 @@ implementation
     function taarch64moddivnode.pass_1: tnode;
       begin
         result:=inherited pass_1;
-        if not assigned(result) then
+        if not assigned(result) and not(node_not_zero(right)) then
           include(current_procinfo.flags,pi_do_call);
       end;
 

compiler/nutils.pas

@@ -1734,6 +1734,7 @@ implementation
      function node_not_zero(n: tnode): Boolean;
        begin
          result:=(is_constintnode(n) and (get_int_value(n)<>0)) or
+           ((n.resultdef.typ=orddef) and ((torddef(n.resultdef).low>0) or (torddef(n.resultdef).high<0))) or
            ((n.nodetype=typeconvn) and (ttypeconvnode(n).convtype=tc_int_2_int) and node_not_zero(ttypeconvnode(n).left)) or
            ((n.nodetype=orn) and (node_not_zero(taddnode(n).left) or node_not_zero(taddnode(n).right)));
        end;