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Call opt_expr -mux_undef to get rid of 1'bx in muxes prior to abc

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This commit is contained in:
Eddie Hung 2019-06-20 16:45:09 -07:00
parent 4e5836a5fb
commit f11c9a419b
1 changed files with 1 additions and 0 deletions
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1
techlibs/xilinx/synth_xilinx.cc
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@ -281,6 +281,7 @@ struct SynthXilinxPass : public ScriptPass
}
if (check_label("map_luts")) {
run("opt_expr -mux_undef");
if (abc == "abc9")
run(abc + " -lut +/xilinx/abc_xc7.lut -box +/xilinx/abc_xc7.box -W " + XC7_WIRE_DELAY + string(retime ? " -dff" : ""));
else if (help_mode)