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[bit-set] Micro-optimize prev()

This commit is contained in:
Behdad Esfahbod 2022-11-24 14:32:51 -07:00
parent fe5d9176ae
commit 690df8a369
1 changed files with 5 additions and 5 deletions
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10
src/hb-bit-set.hh
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@ -663,21 +663,21 @@ struct hb_bit_set_t
page_map_t map = {get_major (*codepoint), 0}; page_map_t map = {get_major (*codepoint), 0};
unsigned int i; unsigned int i;
page_map.bfind (map, &i, HB_NOT_FOUND_STORE_CLOSEST); page_map.bfind (map, &i, HB_NOT_FOUND_STORE_CLOSEST);
if (i < page_map.length && page_map[i].major == map.major) if (i < page_map.length && page_map.arrayZ[i].major == map.major)
{ {
if (pages[page_map[i].index].previous (codepoint)) if (pages[page_map.arrayZ[i].index].previous (codepoint))
{ {
*codepoint += page_map[i].major * page_t::PAGE_BITS; *codepoint += page_map.arrayZ[i].major * page_t::PAGE_BITS;
return true; return true;
} }
} }
i--; i--;
for (; (int) i >= 0; i--) for (; (int) i >= 0; i--)
{ {
hb_codepoint_t m = pages[page_map[i].index].get_max (); hb_codepoint_t m = pages.arrayZ[page_map.arrayZ[i].index].get_max ();
if (m != INVALID) if (m != INVALID)
{ {
*codepoint = page_map[i].major * page_t::PAGE_BITS + m; *codepoint = page_map.arrayZ[i].major * page_t::PAGE_BITS + m;
return true; return true;
} }
} }