VM: Optimize RegExp.matchAsPrefix(...) by generating a sticky RegExp specialization.

runtime/vm/intrinsifier.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 // Class for intrinsifying functions.
 
 #include "vm/assembler.h"
 #include "vm/compiler.h"
 #include "vm/cpu.h"
 #include "vm/flags.h"
 #include "vm/flow_graph.h"
@@ skipping 1142 matching lines @@
 
 bool Intrinsifier::Build_DoubleRound(FlowGraph* flow_graph) {
   if (!FlowGraphCompiler::SupportsUnboxedDoubles()) return false;
 
   GraphEntryInstr* graph_entry = flow_graph->graph_entry();
   TargetEntryInstr* normal_entry = graph_entry->normal_entry();
   BlockBuilder builder(flow_graph, normal_entry);
 
   return BuildInvokeMathCFunction(&builder, MethodRecognizer::kDoubleRound);
 }
+
+
+void Intrinsifier::RegExp_ExecuteMatch(Assembler* assembler) {
+  IntrinsifyRegExpExecuteMatch(assembler, /*sticky=*/false);
+}
+
+
+void Intrinsifier::RegExp_ExecuteMatchSticky(Assembler* assembler) {
+  IntrinsifyRegExpExecuteMatch(assembler, /*sticky=*/true);
+}
 #endif  // !defined(TARGET_ARCH_DBC)
 
 
 }  // namespace dart