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More undef-propagation related fixes

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This commit is contained in:
Clifford Wolf 2013-11-08 11:40:36 +01:00
parent 9f49d538e1
commit 259cc1391e
2 changed files with 9 additions and 0 deletions
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5
kernel/calc.cc
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@ -69,6 +69,9 @@ static BigInteger const2big(const RTLIL::Const &val, bool as_signed, int &undef_
static RTLIL::Const big2const(const BigInteger &val, int result_len, int undef_bit_pos)
{
if (undef_bit_pos >= 0)
return RTLIL::Const(RTLIL::State::Sx, result_len);
BigUnsigned mag = val.getMagnitude();
RTLIL::Const result(0, result_len);
@ -87,9 +90,11 @@ static RTLIL::Const big2const(const BigInteger &val, int result_len, int undef_b
}
}
#if 0
if (undef_bit_pos >= 0)
for (int i = undef_bit_pos; i < result_len; i++)
result.bits[i] = RTLIL::State::Sx;
#endif
return result;
}