Add support for fixed parameters in the register allocator.

runtime/vm/code_generator.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/code_generator.h"
 
 #include "vm/assembler_macros.h"
 #include "vm/ast.h"
 #include "vm/code_patcher.h"
 #include "vm/compiler.h"
@@ skipping 1314 matching lines @@
     // Leave the usage_counter at the limit so that the count test knows that
     // method is optimized.
     if (FLAG_trace_failed_optimization_attempts) {
       PrintCaller("Has Optimized Code");
     }
     // TODO(srdjan): Enable reoptimizing optimized code, but most recognize
     // that reoptimization was not already applied.
     return;
   }
   if ((FLAG_optimization_filter != NULL) &&
-      (strncmp(function.ToFullyQualifiedCString(),
-               FLAG_optimization_filter,
-               strlen(FLAG_optimization_filter)) != 0)) {
+      (strstr(function.ToFullyQualifiedCString(),
+              FLAG_optimization_filter) == NULL)) {
     function.set_usage_counter(kLowInvocationCount);
     return;
   }
   if (function.is_optimizable()) {
     // Compilation patches the entry of unoptimized code.
     ASSERT(!function.HasOptimizedCode());
     const Error& error =
         Error::Handle(Compiler::CompileOptimizedFunction(function));
     if (!error.IsNull()) {
       Exceptions::PropagateError(error);
@@ skipping 221 matching lines @@
       }
     }
   }
   // The cache is null terminated, therefore the loop above should never
   // terminate by itself.
   UNREACHABLE();
   return Code::null();
 }
 
 }  // namespace dart