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iopadmap: Add native support for negative-polarity output enable.

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This commit is contained in:
Marcelina Kościelnicka 2021-11-09 11:22:48 +01:00
parent 4871d8f199
commit 15b0d717ed
12 changed files with 35 additions and 43 deletions
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2
techlibs/nexus/synth_nexus.cc
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@ -333,7 +333,7 @@ struct SynthNexusPass : public ScriptPass
else
run("techmap -map +/techmap.v -map +/nexus/arith_map.v");
if (help_mode || !noiopad)
run("iopadmap -bits -outpad OB I:O -inpad IB O:I -toutpad $__NX_TOUTPAD OE:I:O -tinoutpad $__NX_TINOUTPAD OE:O:I:B A:top", "(skip if '-noiopad')");
run("iopadmap -bits -outpad OB I:O -inpad IB O:I -toutpad OBZ ~T:I:O -tinoutpad BB ~T:O:I:B A:top", "(skip if '-noiopad')");
run("opt -fast");
if (retime || help_mode)
run("abc -dff -D 1", "(only if -retime)");