coolrunner2: Separate and improve buffer cell insertion pass

The new pass will contain all of the logic for inserting "passthrough"
product term and XOR cells as appropriate for the architecture. For
example, this commit fixes connecting an input pin directly to another
output pin with no logic in between.

1 files changed, 1 insertions, 0 deletions

diff --git a/techlibs/coolrunner2/synth_coolrunner2.cc b/techlibs/coolrunner2/synth_coolrunner2.cc
index 3bac8623d..b30b3775b 100644
--- a/techlibs/coolrunner2/synth_coolrunner2.cc
+++ b/techlibs/coolrunner2/synth_coolrunner2.cc
@@ -178,6 +178,7 @@ struct SynthCoolrunner2Pass : public ScriptPass
 			run("iopadmap -bits -inpad IBUF O:I -outpad IOBUFE I:IO -inoutpad IOBUFE O:IO -toutpad IOBUFE E:I:IO -tinoutpad IOBUFE E:O:I:IO");
 			run("attrmvcp -attr src -attr LOC t:IOBUFE n:*");
 			run("attrmvcp -attr src -attr LOC -driven t:IBUF n:*");
+			run("coolrunner2_fixup");
 			run("splitnets");
 			run("clean");
 		}