A few fixes for ARMv5TE.

runtime/vm/flow_graph_optimizer.cc

 // 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.
 
 #include "vm/flow_graph_optimizer.h"
 
 #include "vm/bit_vector.h"
 #include "vm/cha.h"
 #include "vm/cpu.h"
 #include "vm/dart_entry.h"
@@ skipping 2017 matching lines @@
       } else if (HasOnlyTwoOf(ic_data, kInt32x4Cid)) {
         ASSERT(op_kind != Token::kMUL);  // Int32x4 doesn't have a multiply op.
         operands_type = kInt32x4Cid;
       } else if (HasOnlyTwoOf(ic_data, kFloat64x2Cid)) {
         operands_type = kFloat64x2Cid;
       } else {
         return false;
       }
       break;
     case Token::kDIV:
+      if (!FlowGraphCompiler::SupportsHardwareDivision()) return false;
       if (ShouldSpecializeForDouble(ic_data) ||
           HasOnlyTwoOf(ic_data, kSmiCid)) {
         operands_type = kDoubleCid;
       } else if (HasOnlyTwoOf(ic_data, kFloat32x4Cid)) {
         operands_type = kFloat32x4Cid;
       } else if (HasOnlyTwoOf(ic_data, kFloat64x2Cid)) {
         operands_type = kFloat64x2Cid;
       } else {
         return false;
       }
@@ skipping 32 matching lines @@
           return false;
         }
         // Check for smi/mint << smi or smi/mint >> smi.
         operands_type = kMintCid;
       } else {
         return false;
       }
       break;
     case Token::kMOD:
     case Token::kTRUNCDIV:
+      if (!FlowGraphCompiler::SupportsHardwareDivision()) return false;
       if (HasOnlyTwoOf(ic_data, kSmiCid)) {
         if (ic_data.HasDeoptReason(ICData::kDeoptBinarySmiOp)) {
           return false;
         }
         operands_type = kSmiCid;
       } else {
         return false;
       }
       break;
     default:
@@ skipping 6509 matching lines @@
 
   // Insert materializations at environment uses.
   for (intptr_t i = 0; i < exits_collector_.exits().length(); i++) {
     CreateMaterializationAt(
         exits_collector_.exits()[i], alloc, *slots);
   }
 }
 
 
 }  // namespace dart