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-rw-r--r--techlibs/ecp5/synth_ecp5.cc3
1 files changed, 1 insertions, 2 deletions
diff --git a/techlibs/ecp5/synth_ecp5.cc b/techlibs/ecp5/synth_ecp5.cc
index b9b236a0c..5f00d3d4e 100644
--- a/techlibs/ecp5/synth_ecp5.cc
+++ b/techlibs/ecp5/synth_ecp5.cc
@@ -303,14 +303,13 @@ struct SynthEcp5Pass : public ScriptPass
if (check_label("map_ffs"))
{
- run("dff2dffs");
+ run("dff2dffs -match-init");
run("opt_clean");
if (!nodffe)
run("dff2dffe -direct-match $_DFF_* -direct-match $__DFFS_*");
run(stringf("techmap -D NO_LUT %s -map +/ecp5/cells_map.v", help_mode ? "[-D ASYNC_PRLD]" : (asyncprld ? "-D ASYNC_PRLD" : "")));
run("opt_expr -undriven -mux_undef");
run("simplemap");
- run("ecp5_ffinit");
run("ecp5_gsr");
run("attrmvcp -copy -attr syn_useioff");
run("opt_clean");