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[set-digest] Micro-optimize more

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This commit is contained in:
Behdad Esfahbod 2023-07-02 15:35:18 -06:00
parent cb73ba7104
commit e8948d634e
1 changed files with 7 additions and 2 deletions
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9
src/hb-set-digest.hh
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@ -88,14 +88,19 @@ struct hb_set_digest_bits_pattern_t
bool add_range (hb_codepoint_t a, hb_codepoint_t b)
{
if (mask == (mask_t) -1) return false;
if ((b >> shift) - (a >> shift) >= mask_bits - 1)
{
mask = (mask_t) -1;
else {
return false;
}
else
{
mask_t ma = mask_for (a);
mask_t mb = mask_for (b);
mask |= mb + (mb - ma) - (mb < ma);
return true;
}
return mask != (mask_t) -1; // Early terminte if we're full.
}
template <typename T>