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More dict/pool related changes

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This commit is contained in:
Clifford Wolf 2014-12-27 12:02:57 +01:00
parent 2c2f8e6e9f
commit 6c8b0a5fd1
6 changed files with 77 additions and 54 deletions
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8
kernel/hashmap.h
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@ -25,10 +25,18 @@
#define YOSYS_HASHTABLE_SIZE_FACTOR 3
// The XOR version of DJB2
// (traditionally 5381 is used as starting value for the djb2 hash)
inline unsigned int mkhash(unsigned int a, unsigned int b) {
return ((a << 5) + a) ^ b;
}
// The ADD version of DJB2
// (use this version as last call for cache locality in b)
inline unsigned int mkhash_add(unsigned int a, unsigned int b) {
return ((a << 5) + a) + b;
}
template<typename T> struct hash_ops {
bool cmp(const T &a, const T &b) const {
return a == b;