diff options
Diffstat (limited to 'techlibs/ecp5/synth_ecp5.cc')
| -rw-r--r-- | techlibs/ecp5/synth_ecp5.cc | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/techlibs/ecp5/synth_ecp5.cc b/techlibs/ecp5/synth_ecp5.cc index 46d051e44..3cee9722e 100644 --- a/techlibs/ecp5/synth_ecp5.cc +++ b/techlibs/ecp5/synth_ecp5.cc @@ -257,6 +257,8 @@ struct SynthEcp5Pass : public ScriptPass run("opt_expr"); run("opt_clean"); run("check"); + run("opt -nodffe -nosdff"); + run("fsm"); run("opt"); run("wreduce"); run("peepopt"); @@ -271,8 +273,6 @@ struct SynthEcp5Pass : public ScriptPass } run("alumacc"); run("opt"); - run("fsm"); - run("opt -fast"); run("memory -nomap"); run("opt_clean"); } @@ -311,16 +311,20 @@ struct SynthEcp5Pass : public ScriptPass if (check_label("map_ffs")) { - run("dff2dffs"); run("opt_clean"); - if (!nodffe) - run("dff2dffe -direct-match $_DFF_* -direct-match $_SDFF_*"); - if (help_mode) - run("dfflegalize -cell $_DFF_?_ 01 -cell $_DFFE_??_ 01 -cell $_DFF_?P?_ r -cell $_DFFE_?P??_ r -cell $_SDFF_?P?_ r -cell $_SDFFE_?P??_ r -cell $_DLATCH_?_ x [-cell $_DFFSR_?PP_ x]", "($_DFFSR_*_ only if -asyncprld)"); - else if (asyncprld) - run("dfflegalize -cell $_DFF_?_ 01 -cell $_DFFE_??_ 01 -cell $_DFF_?P?_ r -cell $_DFFE_?P??_ r -cell $_SDFF_?P?_ r -cell $_SDFFE_?P??_ r -cell $_DLATCH_?_ x -cell $_DFFSR_?PP_ x"); - else - run("dfflegalize -cell $_DFF_?_ 01 -cell $_DFFE_??_ 01 -cell $_DFF_?P?_ r -cell $_DFFE_?P??_ r -cell $_SDFF_?P?_ r -cell $_SDFFE_?P??_ r -cell $_DLATCH_?_ x"); + std::string dfflegalize_args = " -cell $_DFF_?_ 01 -cell $_DFF_?P?_ r -cell $_SDFF_?P?_ r"; + if (help_mode) { + dfflegalize_args += " [-cell $_DFFE_??_ 01 -cell $_DFFE_?P??_ r -cell $_SDFFE_?P??_ r]"; + } else if (!nodffe) { + dfflegalize_args += " -cell $_DFFE_??_ 01 -cell $_DFFE_?P??_ r -cell $_SDFFE_?P??_ r"; + } + dfflegalize_args += " -cell $_DLATCH_?_ x"; + if (help_mode) { + dfflegalize_args += " [-cell $_DFFSR_?PP_ x]"; + } else if (asyncprld) { + dfflegalize_args += " -cell $_DFFSR_?PP_ x"; + } + run("dfflegalize" + dfflegalize_args, "($_DFFSR_*_ only if -asyncprld, $_*DFFE_* only if not -nodffe)"); if ((abc9 && dff) || help_mode) run("zinit -all w:* t:$_DFF_?_ t:$_DFFE_??_ t:$_SDFF*", "(only if -abc9 and -dff"); run(stringf("techmap -D NO_LUT %s -map +/ecp5/cells_map.v", help_mode ? "[-D ASYNC_PRLD]" : (asyncprld ? "-D ASYNC_PRLD" : ""))); |