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synth_intel_alm: Use dfflegalize.

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This commit is contained in:
Marcelina Kościelnicka
2020-07-01 03:31:34 +02:00
parent c6765443fd
commit 3ca2de0f77
3 changed files with 10 additions and 122 deletions
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7
techlibs/intel_alm/synth_intel_alm.cc
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@@ -208,11 +208,10 @@ struct SynthIntelALMPass : public ScriptPass {
}
if (check_label("map_ffs")) {
run("techmap");
run("dff2dffe");
// As mentioned in common/dff_sim.v, Intel flops power up to zero,
// so use `zinit` to add inverters where needed.
run("zinit");
run("techmap -map +/techmap.v -map +/intel_alm/common/dff_map.v");
run("dfflegalize -cell $_DFFE_PN0P_ 0 -cell $_SDFFCE_PP0P_ 0");
run("techmap -map +/intel_alm/common/dff_map.v");
run("opt -full -undriven -mux_undef");
run("clean -purge");
}