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Add RTLIL::Const::is_fully_ones()

This commit is contained in:
Clifford Wolf 2017-12-14 02:06:39 +01:00
parent 96ad688849
commit 76afff7ef6
2 changed files with 12 additions and 0 deletions
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11
kernel/rtlil.cc
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@ -172,6 +172,17 @@ bool RTLIL::Const::is_fully_zero() const
return true; return true;
} }
bool RTLIL::Const::is_fully_ones() const
{
cover("kernel.rtlil.const.is_fully_ones");
for (auto bit : bits)
if (bit != RTLIL::State::S1)
return false;
return true;
}
bool RTLIL::Const::is_fully_def() const bool RTLIL::Const::is_fully_def() const
{ {
cover("kernel.rtlil.const.is_fully_def"); cover("kernel.rtlil.const.is_fully_def");

1
kernel/rtlil.h
View File

@ -480,6 +480,7 @@ struct RTLIL::Const
inline const RTLIL::State &operator[](int index) const { return bits.at(index); } inline const RTLIL::State &operator[](int index) const { return bits.at(index); }
bool is_fully_zero() const; bool is_fully_zero() const;
bool is_fully_ones() const;
bool is_fully_def() const; bool is_fully_def() const;
bool is_fully_undef() const; bool is_fully_undef() const;