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Remove sequential extension

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This commit is contained in:
Eddie Hung 2019-08-20 18:16:37 -07:00
parent bbab608691
commit 091bf4a18b
9 changed files with 68 additions and 730 deletions
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6
techlibs/xilinx/synth_xilinx.cc
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@ -379,8 +379,6 @@ struct SynthXilinxPass : public ScriptPass
std::string techmap_args = "-map +/techmap.v -map +/xilinx/cells_map.v";
if (widemux > 0)
techmap_args += stringf(" -D MIN_MUX_INPUTS=%d", widemux);
if (abc9)
techmap_args += " -map +/xilinx/ff_map.v";
run("techmap " + techmap_args);
run("clean");
}
@ -411,11 +409,9 @@ struct SynthXilinxPass : public ScriptPass
// has performed any necessary retiming
if (!nosrl || help_mode)
run("shregmap -minlen 3 -init -params -enpol any_or_none", "(skip if '-nosrl')");
std::string techmap_args = "-map +/xilinx/lut_map.v";
std::string techmap_args = "-map +/xilinx/lut_map.v -map +/xilinx/ff_map.v";
if (abc9)
techmap_args += " -map +/xilinx/abc_unmap.v";
else
techmap_args += " -map +/xilinx/ff_map.v";
run("techmap " + techmap_args);
run("dffinit -ff FDRE Q INIT -ff FDCE Q INIT -ff FDPE Q INIT -ff FDSE Q INIT "
"-ff FDRE_1 Q INIT -ff FDCE_1 Q INIT -ff FDPE_1 Q INIT -ff FDSE_1 Q INIT");