Adds intrinsics for Float64Array [] and []=.

runtime/vm/assembler_ia32.h

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_ASSEMBLER_IA32_H_
 #define VM_ASSEMBLER_IA32_H_
 
 #ifndef VM_ASSEMBLER_H_
 #error Do not include assembler_ia32.h directly; use assembler.h instead.
 #endif
@@ skipping 679 matching lines @@
 
   void LoadClassById(Register result, Register class_id);
 
   void LoadClass(Register result, Register object, Register scratch);
 
   void CompareClassId(Register object, intptr_t class_id, Register scratch);
 
   void LoadTaggedClassIdMayBeSmi(Register result,
                                  Register object);
 
+  static Address ElementAddressForIntIndex(bool is_external,
+                                           intptr_t cid,
+                                           intptr_t index_scale,
+                                           Register array,
+                                           intptr_t index);
+
+  static Address ElementAddressForRegIndex(bool is_external,
+                                           intptr_t cid,
+                                           intptr_t index_scale,
+                                           Register array,
+                                           Register index);
+
   /*
    * Misc. functionality
    */
   void SmiTag(Register reg) {
     addl(reg, reg);
   }
 
   void SmiUntag(Register reg) {
     sarl(reg, Immediate(kSmiTagSize));
   }
@@ skipping 194 matching lines @@
 }
 
 
 inline void Assembler::EmitOperandSizeOverride() {
   EmitUint8(0x66);
 }
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_IA32_H_