Vortex 2.0 changes:

+ Microarchitecture optimizations
+ 64-bit support
+ Xilinx FPGA support
+ LLVM-16 support
+ Refactoring and quality control fixes

hw/rtl/libs/VX_mux.sv

@@ -1,10 +1,23 @@
+// Copyright © 2019-2023
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `include "VX_platform.vh"
 
 `TRACING_OFF
 module VX_mux #(
     parameter DATAW = 1,
     parameter N     = 1,
-    parameter LN    = $clog2(N)
+    parameter LN    = `LOG2UP(N)
 ) (
     input wire [N-1:0][DATAW-1:0] data_in,    
     input wire [LN-1:0]           sel_in,    
@@ -18,4 +31,4 @@ module VX_mux #(
     end
 
 endmodule
-`TRACING_ON
+`TRACING_ON