Basic support for tracking smi-only arrays on ia32.

src/objects-printer.cc

 // Copyright 2011 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 64 matching lines @@
     return;
   }
 
   switch (instance_type) {
     case MAP_TYPE:
       Map::cast(this)->MapPrint(out);
       break;
     case HEAP_NUMBER_TYPE:
       HeapNumber::cast(this)->HeapNumberPrint(out);
       break;
+    case FIXED_DOUBLE_ARRAY_TYPE:
+      FixedDoubleArray::cast(this)->FixedDoubleArrayPrint(out);
+      break;
     case FIXED_ARRAY_TYPE:
       FixedArray::cast(this)->FixedArrayPrint(out);
       break;
     case BYTE_ARRAY_TYPE:
       ByteArray::cast(this)->ByteArrayPrint(out);
       break;
     case EXTERNAL_PIXEL_ARRAY_TYPE:
       ExternalPixelArray::cast(this)->ExternalPixelArrayPrint(out);
       break;
     case EXTERNAL_BYTE_ARRAY_TYPE:
@@ skipping 176 matching lines @@
       }
     }
   } else {
     property_dictionary()->Print(out);
   }
 }
 
 
 void JSObject::PrintElements(FILE* out) {
   switch (GetElementsKind()) {
+    case FAST_SMI_ONLY_ELEMENTS:
     case FAST_ELEMENTS: {
       // Print in array notation for non-sparse arrays.
       FixedArray* p = FixedArray::cast(elements());
       for (int i = 0; i < p->length(); i++) {
         PrintF(out, "   %d: ", i);
         p->get(i)->ShortPrint(out);
         PrintF(out, "\n");
       }
       break;
     }
@@ skipping 218 matching lines @@
   HeapObject::PrintHeader(out, "FixedArray");
   PrintF(out, " - length: %d", length());
   for (int i = 0; i < length(); i++) {
     PrintF(out, "\n  [%d]: ", i);
     get(i)->ShortPrint(out);
   }
   PrintF(out, "\n");
 }
 
 
+void FixedDoubleArray::FixedDoubleArrayPrint(FILE* out) {
+  HeapObject::PrintHeader(out, "FixedDoubleArray");
+  PrintF(out, " - length: %d", length());
+  for (int i = 0; i < length(); i++) {
+    PrintF(out, "\n  [%d]: %g", i, get_scalar(i));
+  }
+  PrintF(out, "\n");
+}
+
+
 void JSValue::JSValuePrint(FILE* out) {
   HeapObject::PrintHeader(out, "ValueObject");
   value()->Print(out);
 }
 
 
 void JSMessageObject::JSMessageObjectPrint(FILE* out) {
   HeapObject::PrintHeader(out, "JSMessageObject");
   PrintF(out, " - type: ");
   type()->ShortPrint(out);
@@ skipping 349 matching lines @@
     desc.Print(out);
   }
   PrintF(out, "\n");
 }
 
 
 #endif  // OBJECT_PRINT
 
 
 } }  // namespace v8::internal