Explicit conversions for Float32 array loads/stores.

runtime/vm/flow_graph_builder.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/flow_graph_builder.h"
 
 #include "lib/invocation_mirror.h"
 #include "vm/ast_printer.h"
 #include "vm/bit_vector.h"
 #include "vm/class_finalizer.h"
@@ skipping 2374 matching lines @@
       node->function_name(),
       Token::kILLEGAL,
       arguments,
       node->arguments()->names(),
       1,
       owner()->ic_data_array());
   ReturnDefinition(call);
 }
 
 
-static intptr_t GetResultCidOfNative(const Function& function) {
+static intptr_t GetResultCidOfNativeFactory(const Function& function) {
   const Class& function_class = Class::Handle(function.Owner());
   if (function_class.library() == Library::TypedDataLibrary()) {
     const String& function_name = String::Handle(function.name());
     if (!String::EqualsIgnoringPrivateKey(function_name, Symbols::_New())) {
       return kDynamicCid;
     }
     switch (function_class.id()) {
       case kTypedDataInt8ArrayCid:
       case kTypedDataUint8ArrayCid:
       case kTypedDataUint8ClampedArrayCid:
@@ skipping 22 matching lines @@
   ZoneGrowableArray<PushArgumentInstr*>* arguments =
       new ZoneGrowableArray<PushArgumentInstr*>(node->arguments()->length());
   BuildPushArguments(*node->arguments(), arguments);
   StaticCallInstr* call =
       new StaticCallInstr(node->token_pos(),
                           node->function(),
                           node->arguments()->names(),
                           arguments,
                           owner()->ic_data_array());
   if (node->function().is_native()) {
-    const intptr_t result_cid = GetResultCidOfNative(node->function());
-    call->set_result_cid(result_cid);
+    const intptr_t result_cid = GetResultCidOfNativeFactory(node->function());
+    if (result_cid != kDynamicCid) {
+      call->set_result_cid(result_cid);
+      call->set_is_native_list_factory(true);
+    }
   }
   ReturnDefinition(call);
 }
 
 
 ClosureCallInstr* EffectGraphVisitor::BuildClosureCall(
     ClosureCallNode* node) {
   ValueGraphVisitor for_closure(owner());
   node->closure()->Visit(&for_closure);
   Append(for_closure);
@@ skipping 1488 matching lines @@
                                   LanguageError::kError,
                                   Heap::kNew,
                                   "FlowGraphBuilder Bailout: %s %s",
                                   String::Handle(function.name()).ToCString(),
                                   reason));
   Isolate::Current()->long_jump_base()->Jump(1, error);
 }
 
 
 }  // namespace dart