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Implemented basic functionality of "extract" pass

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This commit is contained in:
Clifford Wolf 2013-02-27 16:27:20 +01:00
parent c59d77aa30
commit f28b6aff40
3 changed files with 87 additions and 15 deletions
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14
kernel/sigtools.h
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@ -207,6 +207,20 @@ struct SigSet
find(sig, result);
return result;
}
bool has(RTLIL::SigSpec sig)
{
sig.expand();
for (auto &c : sig.chunks) {
if (c.wire == NULL)
continue;
assert(c.width == 1);
bitDef_t bit(c.wire, c.offset);
if (bits.count(bit))
return true;
}
return false;
}
};
struct SigMap