Inline load and store index on Float32Arrays.

runtime/vm/flow_graph_compiler_x64.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_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/flow_graph_compiler.h"
 
 #include "lib/error.h"
@@ skipping 17 matching lines @@
 
 FieldAddress FlowGraphCompiler::ElementAddressForRegIndex(intptr_t cid,
                                                           Register array,
                                                           Register index) {
   // Note that index is Smi, i.e, times 2.
   ASSERT(kSmiTagShift == 1);
   switch (cid) {
     case kArrayCid:
     case kImmutableArrayCid:
       return FieldAddress(array, index, TIMES_4, sizeof(RawArray));
+    case kFloat32ArrayCid:
+      return FieldAddress(array, index, TIMES_2, Float32Array::data_offset());
     case kFloat64ArrayCid:
       return FieldAddress(array, index, TIMES_4, Float64Array::data_offset());
     default:
       UNIMPLEMENTED();
       return FieldAddress(SPREG, 0);
   }
 }
 
 
 bool FlowGraphCompiler::SupportsUnboxedMints() {
@@ skipping 1308 matching lines @@
 void ParallelMoveResolver::Exchange(const Address& mem1, const Address& mem2) {
   __ Exchange(mem1, mem2);
 }
 
 
 #undef __
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64