Merge pull request #2070 from The-OpenROAD-Project-staging/do-gpl-skip-io-with-constraints

Use global_place_skip_io with HAS_IO_CONSTRAINTS

Author: maliberty

flow/designs/gf180/jpeg/metadata-base-ok.json

@@ -303,4 +303,4 @@
   "synth__mem__peak": 722752.0,
   "synth__runtime__total": "2:12.36",
   "total_time": "0:15:03"
-}
+}

flow/designs/gf180/jpeg/rules-base.json

@@ -59,4 +59,4 @@
         "value": -19.07,
         "compare": ">="
     }
-}
+}

flow/scripts/global_place_skip_io.tcl

@@ -1,31 +1,10 @@
 source $::env(SCRIPTS_DIR)/load.tcl
 load_design 2_floorplan.odb 2_floorplan.sdc
 
-# Temporary: remove after fixing instability in GPL with multithreading
 set_thread_count 1
 
-if {
-  [info exists ::env(FLOORPLAN_DEF)] ||
-  (
-    [info exists ::env(HAS_IO_CONSTRAINTS)] &&
-    $::env(HAS_IO_CONSTRAINTS) == 1
-  ) ||
-  (
-    [info exists ::env(IO_CONSTRAINTS)] &&
-    (
-      [info exists ::env(HAS_IO_CONSTRAINTS)] == 0 ||
-      $::env(HAS_IO_CONSTRAINTS) == 1
-    )
-  ) ||
-  (
-    $::env(PLACE_PINS_ARGS) != "" &&
-    (
-      [info exists ::env(HAS_IO_CONSTRAINTS)] == 0 ||
-      $::env(HAS_IO_CONSTRAINTS) == 1
-    )
-  )
-} {
-  puts "Has top down IO Constraints. Skip global placement without IOs"
+if { [info exists ::env(FLOORPLAN_DEF)] } {
+  puts "FLOORPLAN_DEF is set. Skipping global placement without IOs"
 } else {
   source $::env(SCRIPTS_DIR)/set_place_density.tcl