VM: Share object pool entries for optimized static calls.

runtime/vm/assembler_arm.h

 // 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.
 
 #ifndef VM_ASSEMBLER_ARM_H_
 #define VM_ASSEMBLER_ARM_H_
 
 #ifndef VM_ASSEMBLER_H_
 #error Do not include assembler_arm.h directly; use assembler.h instead.
 #endif
@@ skipping 662 matching lines @@
               Condition cond = AL);
 
   void BranchLink(const StubEntry& stub_entry,
                   Patchability patchable = kNotPatchable);
   void BranchLink(const Code& code, Patchability patchable);
 
   // Branch and link to an entry address. Call sequence can be patched.
   void BranchLinkPatchable(const StubEntry& stub_entry);
   void BranchLinkPatchable(const Code& code);
 
+  // Emit a call that shares its object pool entries with other calls
+  // that have the same equivalence marker.
+  void BranchLinkWithEquivalence(const StubEntry& stub_entry,
+                                 const Object& equivalence);
+
   // Branch and link to [base + offset]. Call sequence is never patched.
   void BranchLinkOffset(Register base, int32_t offset);
 
   // Add signed immediate value to rd. May clobber IP.
   void AddImmediate(Register rd, int32_t value, Condition cond = AL);
   void AddImmediate(Register rd, Register rn, int32_t value,
                     Condition cond = AL);
   void AddImmediateSetFlags(Register rd, Register rn, int32_t value,
                             Condition cond = AL);
   void SubImmediateSetFlags(Register rd, Register rn, int32_t value,
@@ skipping 517 matching lines @@
                      Register new_value,
                      FieldContent old_content);
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_ARM_H_