From 7b97262b03bf86fe19901820903fe508e563787a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 4 Jun 2023 15:55:18 -0600
Subject: [PATCH] [subset/cff1] Micro-optimize

---
 src/hb-ot-cff1-table.hh | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/hb-ot-cff1-table.hh b/src/hb-ot-cff1-table.hh
index 0cbf014be..e1d8f2926 100644
--- a/src/hb-ot-cff1-table.hh
+++ b/src/hb-ot-cff1-table.hh
@@ -396,13 +396,18 @@ struct Charset1_2 {
   {
     if (unlikely (glyph >= num_glyphs)) return 0;
     if (unlikely (glyph == 0)) return 0;
-    hb_codepoint_t start_glyph = 1;
-    unsigned i = 0;
+    unsigned i;
+    hb_codepoint_t start_glyph;
     if (cache && likely (cache->glyph <= glyph))
     {
       i = cache->code;
       start_glyph = cache->glyph;
     }
+    else
+    {
+      i = 0;
+      start_glyph = 1;
+    }
     glyph -= start_glyph;
     for (;; i++)
     {