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improve used decrement code gen

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Daan 2024-03-18 03:32:06 -07:00
parent cc809b0cd4
commit d08b4219e9
1 changed files with 3 additions and 1 deletions
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4
src/free.c
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@ -238,7 +238,9 @@ static inline void mi_free_block_local(mi_page_t* page, mi_block_t* block, bool
mi_track_free_size(p, mi_page_usable_size_of(page,block)); // faster then mi_usable_size as we already know the page and that p is unaligned
mi_block_set_next(page, block, page->local_free);
page->local_free = block;
if mi_unlikely(--page->used == 0) { // using this expression generates better code than: page->used--; if (mi_page_all_free(page))
const uint32_t used = page->used - 1;
page->used = used;
if mi_unlikely(used == 0) { // generates better code than: --page->used == 0
_mi_page_retire(page);
}
else if mi_unlikely(check_full && mi_page_is_in_full(page)) {