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abc9_ops: add 'dff' label for auto handling of (* abc9_flop *) boxes

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This commit is contained in:
Eddie Hung 2020-04-13 09:38:07 -07:00
parent accfc70fc2
commit 95763c8d18
9 changed files with 403 additions and 640 deletions
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5
techlibs/xilinx/synth_xilinx.cc
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@ -613,10 +613,7 @@ struct SynthXilinxPass : public ScriptPass
if (family != "xc7")
log_warning("'synth_xilinx -abc9' not currently supported for the '%s' family, "
"will use timing for 'xc7' instead.\n", family.c_str());
std::string techmap_args = "-map +/xilinx/abc9_map.v -max_iter 1";
if (dff_mode)
techmap_args += " -D DFF_MODE";
run("techmap " + techmap_args);
run("techmap -map +/xilinx/abc9_map.v -max_iter 1");
run("read_verilog -icells -lib -specify +/abc9_model.v +/xilinx/abc9_model.v");
std::string abc9_opts;
std::string k = "synth_xilinx.abc9.W";