MIPS: Specialize FixedTypedArray<> set and get functions to solve unaligned double access.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index c6f36bf63bdb3b4d31fba9c27b42bf8efff2f583..7eec8cdadf7336c93fa40434af2b32b88969954a 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -4899,6 +4899,10 @@ class FixedTypedArray: public FixedTypedArrayBase {
     return kDataOffset + length * sizeof(ElementType);
   }
 
+  static inline int ElementOffset(int index) {
+    return SizeFor(index);

[Dmitry Lomov (no reviews), 2014/01/30 18:34:03]

Please express them the other way round, i.e. SizeFor(index) is
ElementOffset(length). In that way, if we decide in the future to stick more
stuff at the end of FixedTypedArray, ElementOffset won't be affected.

[kilvadyb, 2014/01/30 19:24:52]

Done.

+  }
+
   inline ElementType get_scalar(int index);
   MUST_USE_RESULT inline MaybeObject* get(int index);
   inline void set(int index, ElementType value);