X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=techlibs%2Fachronix%2Fsynth_achronix.cc;h=262a5e70095bfa2c654acc1d200f9ad26b679d83;hb=3bffd09d6423b70ca154527c363985ff048f807d;hp=626860d9c1782697f4214288fe00292220c3a4ec;hpb=3b17c9018acd9d8bee12e653745fb2f00105bd58;p=yosys.git

diff --git a/techlibs/achronix/synth_achronix.cc b/techlibs/achronix/synth_achronix.cc
old mode 100755
new mode 100644
index 626860d9c..262a5e700
--- a/techlibs/achronix/synth_achronix.cc
+++ b/techlibs/achronix/synth_achronix.cc
@@ -52,7 +52,7 @@ struct SynthAchronixPass : public ScriptPass {
     log("        do not flatten design before synthesis\n");
     log("\n");
     log("    -retime\n");
-    log("        run 'abc' with -dff option\n");
+    log("        run 'abc' with '-dff -D 1' options\n");
     log("\n");
     log("\n");
     log("The following commands are executed by this synthesis command:\n");
@@ -144,7 +144,6 @@ struct SynthAchronixPass : 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");
@@ -152,12 +151,12 @@ struct SynthAchronixPass : public ScriptPass {
         run("clean -purge");
         run("setundef -undriven -zero");
         if (retime || help_mode)
-          run("abc -markgroups -dff", "(only if -retime)");
+          run("abc -markgroups -dff -D 1", "(only if -retime)");
       }
 
     if (check_label("map_luts"))
       {
-        run("abc -lut 4" + string(retime ? " -dff" : ""));
+        run("abc -lut 4" + string(retime ? " -dff -D 1" : ""));
         run("clean");
       }