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ecp5: Adding synchronous set/reset support

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Signed-off-by: David Shah <davey1576@gmail.com>
This commit is contained in:
David Shah 2018-07-14 15:54:30 +02:00
parent 241429abac
commit 459d367913
5 changed files with 194 additions and 21 deletions
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5
techlibs/ecp5/synth_ecp5.cc
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@ -247,15 +247,16 @@ struct SynthEcp5Pass : public ScriptPass
if (check_label("map_ffs"))
{
run("dffsr2dff");
run("dff2dffs");
run("opt_clean");
if (!nodffe)
run("dff2dffe -direct-match $_DFF_*");
run("dff2dffe -direct-match $_DFF_* -direct-match $__DFFS_*");
run("techmap -D NO_LUT -map +/ecp5/cells_map.v");
run("opt_expr -mux_undef");
run("simplemap");
// TODO
#if 0
run("ecp5_ffinit");
run("ecp5_ffssr");
#endif
}