Faster IC stubs by specializing them for Binary Smi operations

runtime/vm/compiler.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.
 
 #include "vm/compiler.h"
 
 #include "vm/assembler.h"
 
 #include "vm/ast_printer.h"
 #include "vm/block_scheduler.h"
@@ skipping 222 matching lines @@
     Error& error = Error::Handle(isolate);
     error = isolate->object_store()->sticky_error();
     isolate->object_store()->clear_sticky_error();
     return error.raw();
   }
   UNREACHABLE();
   return Error::null();
 }
 
 
-
 // Return false if bailed out.
 static bool CompileParsedFunctionHelper(ParsedFunction* parsed_function,
                                         bool optimized,
                                         intptr_t osr_id) {
   const Function& function = parsed_function->function();
   if (optimized && !function.IsOptimizable()) {
     return false;
   }
   TimerScope timer(FLAG_compiler_stats, &CompilerStats::codegen_timer);
   bool is_compiled = false;
@@ skipping 725 matching lines @@
     const Object& result =
       Object::Handle(isolate->object_store()->sticky_error());
     isolate->object_store()->clear_sticky_error();
     return result.raw();
   }
   UNREACHABLE();
   return Object::null();
 }
 
 }  // namespace dart