diff options
Diffstat (limited to 'kernel/rtlil.h')
| -rw-r--r-- | kernel/rtlil.h | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/kernel/rtlil.h b/kernel/rtlil.h index e684ba4ae..756cca71c 100644 --- a/kernel/rtlil.h +++ b/kernel/rtlil.h @@ -124,6 +124,21 @@ namespace RTLIL } }; + struct char_ptr_ops { + bool cmp(const char *a, const char *b) const { + for (int i = 0; a[i] || b[i]; i++) + if (a[i] != b[i]) + return false; + return true; + } + unsigned int hash(const char *a) const { + size_t hash = 5381; + while (*a) + hash = mkhash(hash, *(a++)); + return hash; + } + }; + static struct destruct_guard_t { bool ok; // POD, will be initialized to zero destruct_guard_t() { ok = true; } @@ -132,7 +147,7 @@ namespace RTLIL static std::vector<int> global_refcount_storage_; static std::vector<char*> global_id_storage_; - static dict<char*, int, char_ptr_hash, char_ptr_eq> global_id_index_; + static dict<char*, int, char_ptr_ops> global_id_index_; static std::vector<int> global_free_idx_list_; static inline int get_reference(int idx) @@ -263,6 +278,10 @@ namespace RTLIL *this = IdString(); } + unsigned int hash() const { + return index_; + } + // The following is a helper key_compare class. Instead of for example nodict<Cell*> // use nodict<Cell*, IdString::compare_ptr_by_name<Cell>> if the order of cells in the // set has an influence on the algorithm. @@ -538,6 +557,7 @@ struct RTLIL::SigBit bool operator <(const RTLIL::SigBit &other) const; bool operator ==(const RTLIL::SigBit &other) const; bool operator !=(const RTLIL::SigBit &other) const; + unsigned int hash() const; }; struct RTLIL::SigSpecIterator : public std::iterator<std::input_iterator_tag, RTLIL::SigSpec> @@ -572,7 +592,7 @@ private: void pack() const; void unpack() const; - void hash() const; + void updhash() const; inline bool packed() const { return bits_.empty(); @@ -710,6 +730,8 @@ public: operator std::vector<RTLIL::SigChunk>() const { return chunks(); } operator std::vector<RTLIL::SigBit>() const { return bits(); } + unsigned int hash() const { if (!hash_) updhash(); return hash_; }; + #ifndef NDEBUG void check() const; #else @@ -1213,6 +1235,12 @@ inline bool RTLIL::SigBit::operator!=(const RTLIL::SigBit &other) const { return (wire != other.wire) || (wire ? (offset != other.offset) : (data != other.data)); } +inline unsigned int RTLIL::SigBit::hash() const { + if (wire) + return wire->name.hash() * 33 + offset; + return data; +} + inline RTLIL::SigBit &RTLIL::SigSpecIterator::operator*() const { return (*sig_p)[index]; } |