Reland 21774: Generate KeyedLoadGeneric with Hydrogen

src/elements-kind.cc

Index: src/elements-kind.cc
diff --git a/src/elements-kind.cc b/src/elements-kind.cc
index 689c2205696689e82dd45bfb6a67d92a8c3f5099..0075bd3249456c8fc7edcbdd8d0a5afbc92a161f 100644
--- a/src/elements-kind.cc
+++ b/src/elements-kind.cc
@@ -65,6 +65,12 @@ int ElementsKindToShiftSize(ElementsKind elements_kind) {
 }
 
 
+int GetDefaultHeaderSizeForElementsKind(ElementsKind elements_kind) {
+  return IsExternalArrayElementsKind(elements_kind)
+      ? 0 : (FixedArray::kHeaderSize - kSmiTagSize);

[Toon Verwaest, 2013/12/04 17:29:26]

Shouldn't that be kHeapObjectTag rather than kSmiTagSize?
Also, this relies on FixedArray::kHeaderSize being equal to
FixedDoubleArray::kHeaderSize. Please add an ASSERT to that effect.

[danno, 2014/06/06 15:43:50]

Done.

+}
+
+
 const char* ElementsKindToString(ElementsKind kind) {
   ElementsAccessor* accessor = ElementsAccessor::ForKind(kind);
   return accessor->name();