Add a single-element global positive and negative cache to...

src/arm/macro-assembler-arm.h

 // Copyright 2006-2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 67 matching lines @@
   void Call(Label* target);
   void Move(Register dst, Handle<Object> value);
   // May do nothing if the registers are identical.
   void Move(Register dst, Register src);
   // Jumps to the label at the index given by the Smi in "index".
   void SmiJumpTable(Register index, Vector<Label*> targets);
   // Load an object from the root table.
   void LoadRoot(Register destination,
                 Heap::RootListIndex index,
                 Condition cond = al);
+  // Store an object to the root table.
+  void StoreRoot(Register source,
+                 Heap::RootListIndex index,
+                 Condition cond = al);
 
   // Sets the remembered set bit for [address+offset], where address is the
   // address of the heap object 'object'.  The address must be in the first 8K
   // of an allocated page. The 'scratch' register is used in the
   // implementation and all 3 registers are clobbered by the operation, as
   // well as the ip register.
   void RecordWrite(Register object, Register offset, Register scratch);
 
   // Push two registers.  Pushes leftmost register first (to highest address).
   void Push(Register src1, Register src2, Condition cond = al) {
@@ skipping 505 matching lines @@
 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_MACRO_ASSEMBLER_ARM_H_