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Use SigSpec::try_as_const in some places

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This commit is contained in:
Robert O'Callahan 2025-10-28 12:39:53 +00:00
parent 0d45d9cc6e
commit 82f86164d3
1 changed files with 18 additions and 34 deletions
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52
kernel/rtlil.cc
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@ -5541,74 +5541,58 @@ bool RTLIL::SigSpec::as_bool() const
{ {
cover("kernel.rtlil.sigspec.as_bool"); cover("kernel.rtlil.sigspec.as_bool");
pack(); std::optional<RTLIL::Const> c = try_as_const();
log_assert(is_fully_const() && GetSize(chunks_) <= 1); log_assert(c.has_value());
if (width_) return c->as_bool();
return RTLIL::Const(chunks_[0].data).as_bool();
return false;
} }
int RTLIL::SigSpec::as_int(bool is_signed) const int RTLIL::SigSpec::as_int(bool is_signed) const
{ {
cover("kernel.rtlil.sigspec.as_int"); cover("kernel.rtlil.sigspec.as_int");
pack(); std::optional<RTLIL::Const> c = try_as_const();
log_assert(is_fully_const() && GetSize(chunks_) <= 1); log_assert(c.has_value());
if (width_) return c->as_int(is_signed);
return RTLIL::Const(chunks_[0].data).as_int(is_signed);
return 0;
} }
bool RTLIL::SigSpec::convertible_to_int(bool is_signed) const bool RTLIL::SigSpec::convertible_to_int(bool is_signed) const
{ {
cover("kernel.rtlil.sigspec.convertible_to_int"); cover("kernel.rtlil.sigspec.convertible_to_int");
pack(); std::optional<RTLIL::Const> c = try_as_const();
if (!is_fully_const()) if (!c.has_value())
return false; return false;
return c->convertible_to_int(is_signed);
if (empty())
return true;
return RTLIL::Const(chunks_[0].data).convertible_to_int(is_signed);
} }
std::optional<int> RTLIL::SigSpec::try_as_int(bool is_signed) const std::optional<int> RTLIL::SigSpec::try_as_int(bool is_signed) const
{ {
cover("kernel.rtlil.sigspec.try_as_int"); cover("kernel.rtlil.sigspec.try_as_int");
pack(); std::optional<RTLIL::Const> c = try_as_const();
if (!is_fully_const()) if (!c.has_value())
return std::nullopt; return std::nullopt;
return c->try_as_int(is_signed);
if (empty())
return 0;
return RTLIL::Const(chunks_[0].data).try_as_int(is_signed);
} }
int RTLIL::SigSpec::as_int_saturating(bool is_signed) const int RTLIL::SigSpec::as_int_saturating(bool is_signed) const
{ {
cover("kernel.rtlil.sigspec.try_as_int"); cover("kernel.rtlil.sigspec.try_as_int");
pack(); std::optional<RTLIL::Const> c = try_as_const();
log_assert(is_fully_const() && GetSize(chunks_) <= 1); log_assert(c.has_value());
return c->as_int_saturating(is_signed);
if (empty())
return 0;
return RTLIL::Const(chunks_[0].data).as_int_saturating(is_signed);
} }
std::string RTLIL::SigSpec::as_string() const std::string RTLIL::SigSpec::as_string() const
{ {
cover("kernel.rtlil.sigspec.as_string"); cover("kernel.rtlil.sigspec.as_string");
pack();
std::string str; std::string str;
str.reserve(size()); str.reserve(size());
for (size_t i = chunks_.size(); i > 0; i--) { std::vector<RTLIL::SigChunk> chunks = *this;
const RTLIL::SigChunk &chunk = chunks_[i-1]; for (size_t i = chunks.size(); i > 0; i--) {
const RTLIL::SigChunk &chunk = chunks[i-1];
if (chunk.wire != NULL) if (chunk.wire != NULL)
str.append(chunk.width, '?'); str.append(chunk.width, '?');
else else