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[bit-set] Micro-optimize page_for

This commit is contained in:
Behdad Esfahbod 2022-12-04 12:29:23 -07:00
parent b182e2808a
commit 1bd386515c
1 changed files with 5 additions and 5 deletions
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10
src/hb-bit-set.hh
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@ -901,7 +901,7 @@ struct hb_bit_set_t
{ {
auto &cached_page = page_map.arrayZ[i]; auto &cached_page = page_map.arrayZ[i];
if (cached_page.major == major) if (cached_page.major == major)
return &pages[cached_page.index]; return &pages.arrayZ[cached_page.index];
} }
page_map_t map = {major, pages.length}; page_map_t map = {major, pages.length};
@ -913,15 +913,15 @@ struct hb_bit_set_t
if (unlikely (!resize (pages.length + 1))) if (unlikely (!resize (pages.length + 1)))
return nullptr; return nullptr;
pages[map.index].init0 (); pages.arrayZ[map.index].init0 ();
memmove (page_map + i + 1, memmove (page_map.arrayZ + i + 1,
page_map + i, page_map.arrayZ + i,
(page_map.length - 1 - i) * page_map.item_size); (page_map.length - 1 - i) * page_map.item_size);
page_map[i] = map; page_map[i] = map;
} }
last_page_lookup = i; last_page_lookup = i;
return &pages[page_map[i].index]; return &pages.arrayZ[page_map.arrayZ[i].index];
} }
const page_t *page_for (hb_codepoint_t g) const const page_t *page_for (hb_codepoint_t g) const
{ {