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Merge pull request #4022 from povik/machxo3-qor-work

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MachXO3 QoR improvements
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N. Engelhardt 2023-11-13 16:56:06 +01:00 committed by GitHub
parent 3fef81b537 fed2720999
commit 52d3fa6d77
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1 changed files with 2 additions and 1 deletions
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techlibs/lattice/synth_lattice.cc
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@ -385,7 +385,7 @@ struct SynthLatticePass : public ScriptPass
{ {
run("opt -fast -mux_undef -undriven -fine"); run("opt -fast -mux_undef -undriven -fine");
run("memory_map"); run("memory_map");
run("opt -undriven -fine"); run("opt -undriven -fine -mux_undef");
} }
if (check_label("map_gates")) if (check_label("map_gates"))
@ -421,6 +421,7 @@ struct SynthLatticePass : public ScriptPass
dfflegalize_args += " -cell $_DLATCH_?_ x"; dfflegalize_args += " -cell $_DLATCH_?_ x";
} }
run("dfflegalize" + dfflegalize_args, "($_ALDFF_*_ only if -asyncprld, $_DLATCH_* only if not -asyncprld, $_*DFFE_* only if not -nodffe)"); run("dfflegalize" + dfflegalize_args, "($_ALDFF_*_ only if -asyncprld, $_DLATCH_* only if not -asyncprld, $_*DFFE_* only if not -nodffe)");
run("opt_merge");
if ((abc9 && dff) || help_mode) if ((abc9 && dff) || help_mode)
run("zinit -all w:* t:$_DFF_?_ t:$_DFFE_??_ t:$_SDFF*", "(only if -abc9 and -dff)"); run("zinit -all w:* t:$_DFF_?_ t:$_DFFE_??_ t:$_SDFF*", "(only if -abc9 and -dff)");
run("techmap -D NO_LUT -map +/lattice/cells_map.v"); run("techmap -D NO_LUT -map +/lattice/cells_map.v");