[gsubgpos] Use a couple variables

src/hb-ot-layout-gsubgpos.hh

@@ -2214,6 +2214,8 @@ struct RuleSet
       unsafe_to2 = skippy_iter.idx + 1;
     }
 
+    auto match_input = lookup_context.funcs.match;
+    auto *input_data = lookup_context.match_data;
     for (unsigned int i = 0; i < num_rules; i++)
     {
       const auto &r = this+rule.arrayZ[i];
@@ -2221,13 +2223,13 @@ struct RuleSet
       const auto &input = r.inputZ;
 
       if (r.inputCount <= 1 ||
-	  (!lookup_context.funcs.match ||
-	   lookup_context.funcs.match (*first, input.arrayZ[0], lookup_context.match_data)))
+	  (!match_input ||
+	   match_input (*first, input.arrayZ[0], input_data)))
       {
         if (!second ||
 	    (r.inputCount <= 2 ||
-	     (!lookup_context.funcs.match ||
-	      lookup_context.funcs.match (*second, input.arrayZ[1], lookup_context.match_data)))
+	     (!match_input ||
+	      match_input (*second, input.arrayZ[1], input_data)))
 	   )
 	{
 	  if (r.apply (c, lookup_context))
@@ -3384,6 +3386,10 @@ struct ChainRuleSet
       unsafe_to2 = skippy_iter.idx + 1;
      }
 
+    auto match_input = lookup_context.funcs.match[1];
+    auto match_lookahead = lookup_context.funcs.match[2];
+    auto *input_data = lookup_context.match_data[1];
+    auto *lookahead_data = lookup_context.match_data[2];
     for (unsigned int i = 0; i < num_rules; i++)
     {
       const auto &r = this+rule.arrayZ[i];
@@ -3393,19 +3399,19 @@ struct ChainRuleSet
 
       unsigned lenP1 = hb_max ((unsigned) input.lenP1, 1u);
       if (lenP1 > 1 ?
-	   (!lookup_context.funcs.match[1] ||
-	    lookup_context.funcs.match[1] (*first, input.arrayZ[0], lookup_context.match_data[1]))
+	   (!match_input ||
+	    match_input (*first, input.arrayZ[0], input_data))
 	  :
-	   (!lookahead.len || !lookup_context.funcs.match[2] ||
-	    lookup_context.funcs.match[2] (*first, lookahead.arrayZ[0], lookup_context.match_data[2])))
+	   (!lookahead.len || !match_lookahead ||
+	    match_lookahead (*first, lookahead.arrayZ[0], lookahead_data)))
       {
         if (!second ||
 	    (lenP1 > 2 ?
-	     (!lookup_context.funcs.match[1] ||
-	      lookup_context.funcs.match[1] (*second, input.arrayZ[1], lookup_context.match_data[1]))
+	     (!match_input ||
+	      match_input (*second, input.arrayZ[1], input_data))
 	     :
-	     (lookahead.len <= 2 - lenP1 || !lookup_context.funcs.match[2] ||
-	      lookup_context.funcs.match[2] (*second, lookahead.arrayZ[2 - lenP1], lookup_context.match_data[2]))))
+	     (lookahead.len <= 2 - lenP1 || !match_lookahead ||
+	      match_lookahead (*second, lookahead.arrayZ[2 - lenP1], lookahead_data))))
 	{
 	  if (r.apply (c, lookup_context))
 	  {