Shorter TryAllocate instruction sequence on ARM/ARM64/MIPS.

runtime/vm/flow_graph_compiler.h

 // 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.
 
 #ifndef VM_FLOW_GRAPH_COMPILER_H_
 #define VM_FLOW_GRAPH_COMPILER_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 #include "vm/code_descriptors.h"
@@ skipping 427 matching lines @@
   void AddSlowPathCode(SlowPathCode* slow_path);
 
   void FinalizeExceptionHandlers(const Code& code);
   void FinalizePcDescriptors(const Code& code);
   void FinalizeDeoptInfo(const Code& code);
   void FinalizeStackmaps(const Code& code);
   void FinalizeVarDescriptors(const Code& code);
   void FinalizeStaticCallTargetsTable(const Code& code);
 
   const Class& double_class() const { return double_class_; }
+  const Class& mint_class() const { return mint_class_; }
   const Class& float32x4_class() const { return float32x4_class_; }
   const Class& float64x2_class() const { return float64x2_class_; }
   const Class& int32x4_class() const { return int32x4_class_; }
 
   void SaveLiveRegisters(LocationSummary* locs);
   void RestoreLiveRegisters(LocationSummary* locs);
 
   Environment* SlowPathEnvironmentFor(Instruction* instruction);
 
   intptr_t CurrentTryIndex() const {
@@ skipping 146 matching lines @@
   GrowableArray<BlockInfo*> block_info_;
   GrowableArray<CompilerDeoptInfo*> deopt_infos_;
   GrowableArray<SlowPathCode*> slow_path_code_;
   // Stores: [code offset, function, null(code)].
   const GrowableObjectArray& static_calls_target_table_;
   const bool is_optimizing_;
   // Set to true if optimized code has IC calls.
   bool may_reoptimize_;
 
   const Class& double_class_;
+  const Class& mint_class_;
   const Class& float32x4_class_;
   const Class& float64x2_class_;
   const Class& int32x4_class_;
   const Class& list_class_;
 
   ParallelMoveResolver parallel_move_resolver_;
 
   // Currently instructions generate deopt stubs internally by
   // calling AddDeoptStub.  To communicate deoptimization environment
   // that should be used when deoptimizing we store it in this variable.
   // In future AddDeoptStub should be moved out of the instruction template.
   Environment* pending_deoptimization_env_;
 
   intptr_t entry_patch_pc_offset_;
   intptr_t patch_code_pc_offset_;
   intptr_t lazy_deopt_pc_offset_;
 
   ZoneGrowableArray<const ICData*>* deopt_id_to_ic_data_;
 
   DISALLOW_COPY_AND_ASSIGN(FlowGraphCompiler);
 };
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_COMPILER_H_