Initial patch for a64.

src/compiler.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 295 matching lines @@
 OptimizingCompiler::Status OptimizingCompiler::CreateGraph() {
   ASSERT(V8::UseCrankshaft());
   ASSERT(info()->IsOptimizing());
   ASSERT(!info()->IsCompilingForDebugging());
 
   // We should never arrive here if there is no code object on the
   // shared function object.
   Handle<Code> code(info()->shared_info()->code());
   ASSERT(code->kind() == Code::FUNCTION);
 
+  if (FLAG_trace_opt) {
+    // TODO(jbramley): This was added to help analyse the behaviour of
+    // Crankshaft for the A64 Crankshaft port. It should eventually be deleted.
+    Handle<JSFunction> function = info()->closure();
+    PrintF("Attempting optimization of ");
+    function->PrintName();
+    PrintF(" / %" V8PRIxPTR "\n", reinterpret_cast<intptr_t>(*function));
+  }
+
   // We should never arrive here if optimization has been disabled on the
   // shared function info.
   ASSERT(!info()->shared_info()->optimization_disabled());
 
   // Fall back to using the full code generator if it's not possible
   // to use the Hydrogen-based optimizing compiler. We already have
   // generated code for this from the shared function object.
   if (AlwaysFullCompiler(isolate())) {
     info()->SetCode(code);
     return SetLastStatus(BAILED_OUT);
@@ skipping 884 matching lines @@
     }
   }
 
   GDBJIT(AddCode(Handle<String>(shared->DebugName()),
                  Handle<Script>(info->script()),
                  Handle<Code>(info->code()),
                  info));
 }
 
 } }  // namespace v8::internal