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Merge a4d23c0847 into 5aa9bfbf7d

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Emil J 2025-05-08 19:05:34 +02:00 • committed by GitHub
commit bca0f8b84f
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12 changed files with 122 additions and 9 deletions
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21
kernel/rtlil.h
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@ -1803,6 +1803,16 @@ namespace RTLIL_BACKEND {
void dump_wire(std::ostream &f, std::string indent, const RTLIL::Wire *wire);
}
struct BoolStruct {
private:
bool val;
public:
BoolStruct(bool v) : val(v) {}
operator bool() const {
return val;
}
};
struct RTLIL::Wire : public RTLIL::NamedObject
{
Hasher::hash_t hashidx_;
@ -1827,7 +1837,16 @@ public:
RTLIL::Module *module;
int width, start_offset, port_id;
bool port_input, port_output, upto, is_signed;
bool port_input, port_output, is_signed;
// These are actually just total aliases, relying on
// common initial sequences of records to avoid UB.
// This is a retrofit and we don't know if we ensure
// only the active member is accessed
union {
BoolStruct upto; // if width >= 1
// "single bit vector" vs scalar
BoolStruct sbvector; // if width == 1
};
RTLIL::Cell *driverCell() const { log_assert(driverCell_); return driverCell_; };
RTLIL::IdString driverPort() const { log_assert(driverCell_); return driverPort_; };