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[ot-map] Micro-optimize more 

Another 500 bytes.
This commit is contained in:
Behdad Esfahbod 2022-11-26 14:19:00 -07:00
parent f39f049870
commit 93f3a9dbc6
1 changed files with 18 additions and 15 deletions
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33
src/hb-ot-map.cc
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@ -214,24 +214,26 @@ hb_ot_map_builder_t::compile (hb_ot_map_t &m,
if (feature_infos.length) if (feature_infos.length)
{ {
feature_infos.qsort (); feature_infos.qsort ();
auto &f = feature_infos.arrayZ;
unsigned int j = 0; unsigned int j = 0;
for (unsigned int i = 1; i < feature_infos.length; i++) unsigned count = feature_infos.length;
if (feature_infos[i].tag != feature_infos[j].tag) for (unsigned int i = 1; i < count; i++)
feature_infos[++j] = feature_infos[i]; if (f[i].tag != f[j].tag)
f[++j] = f[i];
else { else {
if (feature_infos[i].flags & F_GLOBAL) { if (f[i].flags & F_GLOBAL) {
feature_infos[j].flags |= F_GLOBAL; f[j].flags |= F_GLOBAL;
feature_infos[j].max_value = feature_infos[i].max_value; f[j].max_value = f[i].max_value;
feature_infos[j].default_value = feature_infos[i].default_value; f[j].default_value = f[i].default_value;
} else { } else {
if (feature_infos[j].flags & F_GLOBAL) if (f[j].flags & F_GLOBAL)
feature_infos[j].flags ^= F_GLOBAL; f[j].flags ^= F_GLOBAL;
feature_infos[j].max_value = hb_max (feature_infos[j].max_value, feature_infos[i].max_value); f[j].max_value = hb_max (f[j].max_value, f[i].max_value);
/* Inherit default_value from j */ /* Inherit default_value from j */
} }
feature_infos[j].flags |= (feature_infos[i].flags & F_HAS_FALLBACK); f[j].flags |= (f[i].flags & F_HAS_FALLBACK);
feature_infos[j].stage[0] = hb_min (feature_infos[j].stage[0], feature_infos[i].stage[0]); f[j].stage[0] = hb_min (f[j].stage[0], f[i].stage[0]);
feature_infos[j].stage[1] = hb_min (feature_infos[j].stage[1], feature_infos[i].stage[1]); f[j].stage[1] = hb_min (f[j].stage[1], f[i].stage[1]);
} }
feature_infos.shrink (j + 1); feature_infos.shrink (j + 1);
} }
@ -241,7 +243,8 @@ hb_ot_map_builder_t::compile (hb_ot_map_t &m,
static_assert ((!(HB_GLYPH_FLAG_DEFINED & (HB_GLYPH_FLAG_DEFINED + 1))), ""); static_assert ((!(HB_GLYPH_FLAG_DEFINED & (HB_GLYPH_FLAG_DEFINED + 1))), "");
unsigned int next_bit = hb_popcount (HB_GLYPH_FLAG_DEFINED) + 1; unsigned int next_bit = hb_popcount (HB_GLYPH_FLAG_DEFINED) + 1;
for (unsigned int i = 0; i < feature_infos.length; i++) unsigned count = feature_infos.length;
for (unsigned int i = 0; i < count; i++)
{ {
const feature_info_t *info = &feature_infos[i]; const feature_info_t *info = &feature_infos[i];
@ -310,7 +313,7 @@ hb_ot_map_builder_t::compile (hb_ot_map_t &m,
map->_1_mask = (1u << map->shift) & map->mask; map->_1_mask = (1u << map->shift) & map->mask;
map->needs_fallback = !found; map->needs_fallback = !found;
} }
feature_infos.shrink (0); /* Done with these */ //feature_infos.shrink (0); /* Done with these */
add_gsub_pause (nullptr); add_gsub_pause (nullptr);