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satgen: Add support for dffe, sdff, sdffe, sdffce cells.

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This commit is contained in:
Marcelina Kościelnicka 2020-07-20 22:49:30 +02:00
parent dafe04d559
commit 0c6d0d4b5d
4 changed files with 88 additions and 6 deletions
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12
kernel/satgen.h
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@ -262,6 +262,18 @@ struct SatGen
}
}
std::pair<std::vector<int>, std::vector<int>> mux(int s, int undef_s, const std::vector<int> &a, const std::vector<int> &undef_a, const std::vector<int> &b, const std::vector<int> &undef_b) {
std::vector<int> res;
std::vector<int> undef_res;
res = ez->vec_ite(s, b, a);
if (model_undef) {
std::vector<int> unequal_ab = ez->vec_not(ez->vec_iff(a, b));
std::vector<int> undef_ab = ez->vec_or(unequal_ab, ez->vec_or(undef_a, undef_b));
undef_res = ez->vec_ite(undef_s, undef_ab, ez->vec_ite(s, undef_b, undef_a));
}
return std::make_pair(res, undef_res);
}
void undefGating(int y, int yy, int undef)
{
ez->assume(ez->OR(undef, ez->IFF(y, yy)));