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Fix handling of z_digit "?" and fix optimization of cmp with "z"

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Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2019-09-13 13:39:39 +02:00
parent 4da6e19fe1
commit a67d63714b
2 changed files with 5 additions and 5 deletions
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6
frontends/verilog/const2ast.cc
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@ -85,10 +85,8 @@ static void my_strtobin(std::vector<RTLIL::State> &data, const char *str, int le
digits.push_back(10 + *str - 'A');
else if (*str == 'x' || *str == 'X')
digits.push_back(0xf0);
else if (*str == 'z' || *str == 'Z')
else if (*str == 'z' || *str == 'Z' || *str == '?')
digits.push_back(0xf1);
else if (*str == '?')
digits.push_back(0xf2);
str++;
}
@ -112,8 +110,6 @@ static void my_strtobin(std::vector<RTLIL::State> &data, const char *str, int le
data.push_back(case_type == 'x' ? RTLIL::Sa : RTLIL::Sx);
else if (*it == 0xf1)
data.push_back(case_type == 'x' || case_type == 'z' ? RTLIL::Sa : RTLIL::Sz);
else if (*it == 0xf2)
data.push_back(RTLIL::Sa);
else
data.push_back((*it & bitmask) ? State::S1 : State::S0);
}