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abc9 to perform new 'map_ffs' before 'map_luts'

This commit is contained in:
Eddie Hung 2019-08-21 15:37:55 -07:00
parent 6fa9e03e4c
commit edec73fec1
1 changed files with 18 additions and 3 deletions
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21
techlibs/xilinx/synth_xilinx.cc
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@ -383,6 +383,14 @@ struct SynthXilinxPass : public ScriptPass
run("clean");
}
if (check_label("map_ffs")) {
if (abc9 || help_mode) {
run("techmap -map +/xilinx/ff_map.v", "('-abc9' only)");
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", "('-abc9' only)");
}
}
if (check_label("map_luts")) {
run("opt_expr -mux_undef");
if (help_mode)
@ -407,9 +415,16 @@ struct SynthXilinxPass : public ScriptPass
// has performed any necessary retiming
if (!nosrl || help_mode)
run("xilinx_srl -minlen 3", "(skip if '-nosrl')");
run("techmap -map +/xilinx/lut_map.v -map +/xilinx/ff_map.v -map +/xilinx/cells_map.v");
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");
std::string techmap_args = "-map +/xilinx/lut_map.v -map +/xilinx/cells_map.v";
if (help_mode)
techmap_args += " [-map +/xilinx/ff_map.v]";
else if (!abc9)
techmap_args += " -map +/xilinx/ff_map.v";
run("techmap " + techmap_args);
if (!abc9)
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", "(without '-abc9' only)");
run("clean");
}