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Always compute 64-bit hash values for build reproducibility

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Rui Ueyama 2021-06-05 19:13:56 +09:00
parent 69a9898e80
commit 89ccfa1a00
1 changed files with 3 additions and 3 deletions
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icf.cc
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@ -135,16 +135,16 @@ static bool is_leaf(Context<E> &ctx, InputSection<E> &isec) {
return true;
}
static size_t combine_hash(size_t a, size_t b) {
static u64 combine_hash(u64 a, u64 b) {
return a ^ (b + 0x9e3779b9 + (a << 6) + (a >> 2));
}
template <typename E>
struct LeafHasher {
size_t operator()(const InputSection<E> *isec) const {
size_t h = hash_string(isec->contents);
u64 h = hash_string(isec->contents);
for (FdeRecord<E> &fde : isec->get_fdes()) {
size_t h2 = hash_string(fde.get_contents().substr(8));
u64 h2 = hash_string(fde.get_contents().substr(8));
h = combine_hash(h, h2);
}
return h;