Implement KeyedStoreICs to grow arrays on out-of-bound stores.

src/stub-cache.h

Index: src/stub-cache.h
diff --git a/src/stub-cache.h b/src/stub-cache.h
index 398d9f415ca03e3c2d17986f4d5ba7fd4a1a7f38..9d2bd4603565e94c00bc1d93644519babc7bf98a 100644
--- a/src/stub-cache.h
+++ b/src/stub-cache.h
@@ -1,4 +1,4 @@
-// Copyright 2011 the V8 project authors. All rights reserved.
+// 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:
@@ -670,8 +670,12 @@ class StoreStubCompiler: public StubCompiler {
 
 class KeyedStoreStubCompiler: public StubCompiler {
  public:
-  KeyedStoreStubCompiler(Isolate* isolate, StrictModeFlag strict_mode)
-    : StubCompiler(isolate), strict_mode_(strict_mode) { }
+  KeyedStoreStubCompiler(Isolate* isolate,
+                         StrictModeFlag strict_mode,
+                         KeyedAccessGrowMode grow_mode)
+    : StubCompiler(isolate),
+      strict_mode_(strict_mode),
+      grow_mode_(grow_mode) { }
 
   Handle<Code> CompileStoreField(Handle<JSObject> object,
                                  int index,
@@ -686,10 +690,12 @@ class KeyedStoreStubCompiler: public StubCompiler {
 
   static void GenerateStoreFastElement(MacroAssembler* masm,
                                        bool is_js_array,
-                                       ElementsKind element_kind);
+                                       ElementsKind element_kind,
+                                       KeyedAccessGrowMode grow_mode);
 
   static void GenerateStoreFastDoubleElement(MacroAssembler* masm,
-                                             bool is_js_array);
+                                             bool is_js_array,
+                                             KeyedAccessGrowMode grow_mode);
 
   static void GenerateStoreExternalArray(MacroAssembler* masm,
                                          ElementsKind elements_kind);
@@ -697,11 +703,13 @@ class KeyedStoreStubCompiler: public StubCompiler {
   static void GenerateStoreDictionaryElement(MacroAssembler* masm);
 
  private:
-  Handle<Code> GetCode(PropertyType type,
-                       Handle<String> name,
-                       InlineCacheState state = MONOMORPHIC);
+  Handle<Code> GetCode(
+      PropertyType type,

[Jakob Kummerow, 2012/02/09 14:51:25]

Why this formatting change?

[danno, 2012/02/10 12:25:34]

Done.

+      Handle<String> name,
+      InlineCacheState state = MONOMORPHIC);
 
   StrictModeFlag strict_mode_;
+  KeyedAccessGrowMode grow_mode_;
 };