Adds intrinsics for Float64Array [] and []=.

runtime/vm/assembler_arm.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_ARM_H_
 #define VM_ASSEMBLER_ARM_H_
 
 #ifndef VM_ASSEMBLER_H_
 #error Do not include assembler_arm.h directly; use assembler.h instead.
 #endif
@@ skipping 232 matching lines @@
   }
 
   static OperandSize OperandSizeFor(intptr_t cid);
 
   static bool CanHoldLoadOffset(OperandSize size,
                                 int32_t offset,
                                 int32_t* offset_mask);
   static bool CanHoldStoreOffset(OperandSize size,
                                  int32_t offset,
                                  int32_t* offset_mask);
+  static bool CanHoldImmediateOffset(bool is_load,
+                                     intptr_t cid,
+                                     int64_t offset);
 
  private:
   uint32_t encoding() const { return encoding_; }
 
   // Encoding for addressing mode 3.
   uint32_t encoding3() const;
 
   // Encoding for vfp load/store addressing.
   uint32_t vencoding() const;
 
@@ skipping 511 matching lines @@
 
   void UpdateAllocationStats(intptr_t cid,
                              Register temp_reg,
                              Heap::Space space = Heap::kNew);
 
   void UpdateAllocationStatsWithSize(intptr_t cid,
                                      Register size_reg,
                                      Register temp_reg,
                                      Heap::Space space = Heap::kNew);
 
+  Address ElementAddressForIntIndex(bool is_load,
+                                    bool is_external,
+                                    intptr_t cid,
+                                    intptr_t index_scale,
+                                    Register array,
+                                    intptr_t index,
+                                    Register temp);
+
+  Address ElementAddressForRegIndex(bool is_load,
+                                    bool is_external,
+                                    intptr_t cid,
+                                    intptr_t index_scale,
+                                    Register array,
+                                    Register index);
+
   // Inlined allocation of an instance of class 'cls', code has no runtime
   // calls. Jump to 'failure' if the instance cannot be allocated here.
   // Allocated instance is returned in 'instance_reg'.
   // Only the tags field of the object is initialized.
   void TryAllocate(const Class& cls,
                    Label* failure,
                    Register instance_reg,
                    Register temp_reg);
 
   // Emit data (e.g encoded instruction or immediate) in instruction stream.
@@ skipping 142 matching lines @@
                                   Register value,
                                   Label* no_update);
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_ARM_H_