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authorEddie Hung <eddie@fpgeh.com>2020-01-02 12:44:06 -0800
committerEddie Hung <eddie@fpgeh.com>2020-01-02 12:44:06 -0800
commitb454735bea6727f346fdbbc28f261b40d91c61ba (patch)
tree6e82d90b00f0bf65ae340d97d2df4fd1558bb2b4 /techlibs/xilinx/synth_xilinx.cc
parent345e98f87105316da9797e01bdbdd3932269cfdf (diff)
parentef6548203cca239a98b00ea652a92fe3e20f97d7 (diff)
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Merge remote-tracking branch 'origin/master' into xaig_dff
Diffstat (limited to 'techlibs/xilinx/synth_xilinx.cc')
-rw-r--r--techlibs/xilinx/synth_xilinx.cc6
1 files changed, 3 insertions, 3 deletions
diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc
index af9f21756..e2a625f9b 100644
--- a/techlibs/xilinx/synth_xilinx.cc
+++ b/techlibs/xilinx/synth_xilinx.cc
@@ -111,7 +111,7 @@ struct SynthXilinxPass : public ScriptPass
log(" run 'abc9' with -dff option\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(" -abc9\n");
log(" use new ABC9 flow (EXPERIMENTAL)\n");
@@ -566,9 +566,9 @@ struct SynthXilinxPass : public ScriptPass
}
else {
if (nowidelut)
- run("abc -luts 2:2,3,6:5" + string(retime ? " -dff" : ""));
+ run("abc -luts 2:2,3,6:5" + string(retime ? " -dff -D 1" : ""));
else
- run("abc -luts 2:2,3,6:5,10,20" + string(retime ? " -dff" : ""));
+ run("abc -luts 2:2,3,6:5,10,20" + string(retime ? " -dff -D 1" : ""));
}
run("clean");