Inline indexed load and store of typed array float64.

runtime/vm/flow_graph_compiler.cc

 // Copyright (c) 2012, 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.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_XXX.
 
 #include "vm/flow_graph_compiler.h"
 
 #include "vm/dart_entry.h"
 #include "vm/debugger.h"
@@ skipping 878 matching lines @@
     case BELOW_EQUAL:   return unsigned_left <= unsigned_right;
     case ABOVE:         return unsigned_left > unsigned_right;
     case ABOVE_EQUAL:   return unsigned_left >= unsigned_right;
     default:
       UNIMPLEMENTED();
       return false;
   }
 }
 
 
+FieldAddress FlowGraphCompiler::ElementAddressForIntIndex(intptr_t cid,
+                                                          Register array,
+                                                          intptr_t offset) {
+  switch (cid) {
+    case kArrayCid:
+    case kGrowableObjectArrayCid:
+    case kImmutableArrayCid: {
+      const intptr_t disp = offset * kWordSize + sizeof(RawArray);
+      ASSERT(Utils::IsInt(31, disp));
+      return FieldAddress(array, disp);
+    }
+    case kFloat64ArrayCid: {
+      const intptr_t disp =
+          offset * kDoubleSize + Float64Array::data_offset();
+      ASSERT(Utils::IsInt(31, disp));
+      return FieldAddress(array, disp);
+    }
+    default:
+      UNIMPLEMENTED();
+      return FieldAddress(SPREG, 0);
+  }
+}
+
 }  // namespace dart