minor update

hw/rtl/core/VX_decode.sv

@@ -54,6 +54,10 @@ module VX_decode  #(
     wire [4:0] rs2 = instr[24:20];
     wire [4:0] rs3 = instr[31:27];
 
+    `UNUSED_VAR (func2)
+    `UNUSED_VAR (func5)
+    `UNUSED_VAR (rs3)
+
     wire is_itype_sh = func3[0] && ~func3[1];
 
     wire [19:0] ui_imm  = instr[31:12];
@@ -122,8 +126,6 @@ module VX_decode  #(
     end
 `endif
 
-    `UNUSED_VAR (rs3)
-
     always @(*) begin
 
         ex_type   = '0;
@@ -510,8 +512,6 @@ module VX_decode  #(
         endcase
     end
 
-    `UNUSED_VAR (func2)
-
     // disable write to integer register r0
     wire wb = use_rd && (rd_r != 0);
 

hw/rtl/fpu/VX_fpu_dpi.sv

@@ -331,7 +331,7 @@ module VX_fpu_dpi #(
             end
         end
 
-        always (*) begin
+        always @(*) begin
             result_fncp = 'x;
             fflags_fncp = 'x;
             case (op_mod)