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authorEddie Hung <eddieh@ece.ubc.ca>2019-04-05 15:39:05 -0700
committerEddie Hung <eddieh@ece.ubc.ca>2019-04-05 15:39:05 -0700
commit97587015748eb9f7e0d55a1121f604b8b462b45a (patch)
treef832304b77a684897978348b6a151f49b450eaad /techlibs
parent23a6533e98df384afdeb38891404da17533c836b (diff)
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Move techamp t:$_DFF_?N? to before abc call
Diffstat (limited to 'techlibs')
-rw-r--r--techlibs/xilinx/synth_xilinx.cc4
1 files changed, 2 insertions, 2 deletions
diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc
index abc164533..397c83ac6 100644
--- a/techlibs/xilinx/synth_xilinx.cc
+++ b/techlibs/xilinx/synth_xilinx.cc
@@ -111,10 +111,10 @@ struct SynthXilinxPass : public Pass
log(" dff2dffe\n");
log(" opt -full\n");
log(" techmap -map +/techmap.v -map +/xilinx/arith_map.v\n");
- log(" techmap -map +/techmap.v -map +/xilinx/ff_map.v t:$_DFF_?N?\n");
log(" opt -fast\n");
log("\n");
log(" map_luts:\n");
+ log(" techmap -map +/techmap.v -map +/xilinx/ff_map.v t:$_DFF_?N?\n");
log(" abc -luts 2:2,3,6:5,10,20 [-dff]\n");
log(" clean\n");
log(" techmap -map +/xilinx/lut_map.v -map +/xilinx/ff_map.v");
@@ -261,7 +261,6 @@ struct SynthXilinxPass : public Pass
} else {
Pass::call(design, "techmap -map +/techmap.v -map +/xilinx/arith_map.v");
}
- Pass::call(design, "techmap -map +/techmap.v -map +/xilinx/ff_map.v t:$_DFF_?N?");
Pass::call(design, "hierarchy -check");
Pass::call(design, "opt -fast");
@@ -269,6 +268,7 @@ struct SynthXilinxPass : public Pass
if (check_label(active, run_from, run_to, "map_luts"))
{
+ Pass::call(design, "techmap -map +/techmap.v -map +/xilinx/ff_map.v t:$_DFF_?N?");
Pass::call(design, "abc -luts 2:2,3,6:5,10,20" + string(retime ? " -dff" : ""));
Pass::call(design, "clean");
Pass::call(design, "techmap -map +/xilinx/lut_map.v -map +/xilinx/ff_map.v");