Fixed performance issue (paulscherrerinstitute#48)

In some cases InRdy was de-asserted needlessly Co-authored-by: Oliver Bründler <[email protected]>
s3bs · Jan 29, 2023 · cde97dd · cde97dd
1 parent 166b6a1
commit cde97dd
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/hdl/psi_common_pl_stage.vhd b/hdl/psi_common_pl_stage.vhd
@@ -1,5 +1,6 @@
 ------------------------------------------------------------------------------
 --  Copyright (c) 2018 by Paul Scherrer Institute, Switzerland
+--  Copyright (c) 2023 by Oliver Bründler
 --  All rights reserved.
 --  Authors: Oliver Bruendler
 ------------------------------------------------------------------------------
@@ -77,7 +78,7 @@ begin
       v := r;
 
       -- *** Simplification Variables ***
-      IsStuck_v := (r.DataMainVld = '1' and OutRdy = '0');
+      IsStuck_v := (r.DataMainVld = '1' and OutRdy = '0' and (InVld = '1' or r.DataShadVld = '1'));
 
       -- *** Handle output transactions ***
       if r.DataMainVld = '1' and OutRdy = '1' then