Get rid of dffsr2dff.

This pass is a proper subset of opt_rmdff, which is called by opt, which
is called by every synth flow in the coarse part.  Thus, it never
actually does anything and can be safely removed.

1 files changed, 0 insertions, 1 deletions

diff --git a/techlibs/intel/synth_intel.cc b/techlibs/intel/synth_intel.cc
index 3689df70e..8601ebb37 100644
--- a/techlibs/intel/synth_intel.cc
+++ b/techlibs/intel/synth_intel.cc
@@ -202,7 +202,6 @@ struct SynthIntelPass : public ScriptPass {
 			run("opt -fast -mux_undef -undriven -fine -full");
 			run("memory_map");
 			run("opt -undriven -fine");
-			run("dffsr2dff");
 			run("dff2dffe -direct-match $_DFF_*");
 			run("opt -fine");
 			run("techmap -map +/techmap.v");