simplify code

Signed-off-by: Jack Luar <[email protected]>

Author: luarss

flow/scripts/global_place.tcl

@@ -34,28 +34,17 @@ if { $::env(GPL_TIMING_DRIVEN) } {
 }
 
 # Parameters for phi coefficients in global placement
-# Validate phi coefficient constraints before using them
-if {
-  [info exists ::env(MIN_PLACE_STEP_COEF)]
-  && [info exists ::env(MAX_PLACE_STEP_COEF)]
-} {
-  set min_phi $::env(MIN_PLACE_STEP_COEF)
-  set max_phi $::env(MAX_PLACE_STEP_COEF)
-
-  if { $min_phi > $max_phi } {
-    utl::error GPL 200 \
-      "MIN_PLACE_STEP_COEF ($min_phi) cannot be greater than \
-MAX_PLACE_STEP_COEF ($max_phi)"
-  }
-}
+set min_phi $::env(MIN_PLACE_STEP_COEF)
+set max_phi $::env(MAX_PLACE_STEP_COEF)
 
-if { [info exists ::env(MIN_PLACE_STEP_COEF)] } {
-  lappend global_placement_args -min_phi_coef $::env(MIN_PLACE_STEP_COEF)
+if { $min_phi > $max_phi } {
+  utl::error GPL 200 \
+    "MIN_PLACE_STEP_COEF ($min_phi) cannot be greater than \
+MAX_PLACE_STEP_COEF ($max_phi)"
 }
 
-if { [info exists ::env(MAX_PLACE_STEP_COEF)] } {
-  lappend global_placement_args -max_phi_coef $::env(MAX_PLACE_STEP_COEF)
-}
+lappend global_placement_args -min_phi_coef $::env(MIN_PLACE_STEP_COEF)
+lappend global_placement_args -max_phi_coef $::env(MAX_PLACE_STEP_COEF)
 
 proc do_placement { global_placement_args } {
   set all_args [concat [list -density [place_density_with_lb_addon] \