Don't bother trying to reuse object pool entries for ICs, type test caches, or edge counters as the…

runtime/vm/assembler_arm64.h

 // Copyright (c) 2014, 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_ASSEMBLER_ARM64_H_
 #define VM_ASSEMBLER_ARM64_H_
 
 #ifndef VM_ASSEMBLER_H_
 #error Do not include assembler_arm64.h directly; use assembler.h instead.
 #endif
@@ skipping 1303 matching lines @@
   bool CanLoadObjectFromPool(const Object& object);
   bool CanLoadImmediateFromPool(int64_t imm, Register pp);
   void LoadExternalLabel(Register dst, const ExternalLabel* label,
                          Patchability patchable, Register pp);
   void LoadExternalLabelFixed(Register dst,
                               const ExternalLabel* label,
                               Patchability patchable,
                               Register pp);
   void LoadIsolate(Register dst, Register pp);
   void LoadObject(Register dst, const Object& obj, Register pp);
+  void LoadUniqueObject(Register dst, const Object& obj, Register pp);
   void LoadDecodableImmediate(Register reg, int64_t imm, Register pp);
   void LoadImmediateFixed(Register reg, int64_t imm);
   void LoadImmediate(Register reg, int64_t imm, Register pp);
   void LoadDImmediate(VRegister reg, double immd, Register pp);
 
   void PushObject(const Object& object, Register pp) {
     LoadObject(TMP, object, pp);
     Push(TMP);
   }
   void CompareObject(Register reg, const Object& object, Register pp);
@@ skipping 103 matching lines @@
     intptr_t pc_offset_;
     const String& comment_;
 
     DISALLOW_COPY_AND_ASSIGN(CodeComment);
   };
 
   GrowableArray<CodeComment*> comments_;
 
   bool allow_constant_pool_;
 
+  void LoadObjectHelper(Register dst,
+                        const Object& obj,
+                        Register pp,
+                        bool is_unique);
+
   void AddSubHelper(OperandSize os, bool set_flags, bool subtract,
                     Register rd, Register rn, Operand o) {
     ASSERT((rd != R31) && (rn != R31));
     const Register crd = ConcreteRegister(rd);
     const Register crn = ConcreteRegister(rn);
     if (o.type() == Operand::Immediate) {
       ASSERT(rn != ZR);
       EmitAddSubImmOp(subtract ? SUBI : ADDI, crd, crn, o, os, set_flags);
     } else if (o.type() == Operand::Shifted) {
       ASSERT((rd != CSP) && (rn != CSP));
@@ skipping 479 matching lines @@
                                   Register value,
                                   Label* no_update);
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_ARM64_H_