X64: Remove more fpu code. Unroll more local initialization loops.

src/x64/codegen-x64.cc

 // Copyright 2010 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 2623 matching lines @@
   } else if (length > FastCloneShallowArrayStub::kMaximumLength) {
     clone = frame_->CallRuntime(Runtime::kCreateArrayLiteralShallow, 3);
   } else {
     FastCloneShallowArrayStub stub(length);
     clone = frame_->CallStub(&stub, 3);
   }
   frame_->Push(&clone);
 
   // Generate code to set the elements in the array that are not
   // literals.
-  for (int i = 0; i < node->values()->length(); i++) {
+  for (int i = 0; i < length; i++) {
     Expression* value = node->values()->at(i);
 
     // If value is a literal the property value is already set in the
     // boilerplate object.
     if (value->AsLiteral() != NULL) continue;
     // If value is a materialized literal the property value is already set
     // in the boilerplate object if it is simple.
     if (CompileTimeValue::IsCompileTimeValue(value)) continue;
 
     // The property must be set by generated code.
@@ skipping 9236 matching lines @@
 }
 
 #endif
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64