Avoid constant pool blocking for too long...

src/arm/assembler-arm.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 923 matching lines @@
     ~BlockConstPoolScope() {
       assem_->EndBlockConstPool();
     }
 
    private:
     Assembler* assem_;
 
     DISALLOW_IMPLICIT_CONSTRUCTORS(BlockConstPoolScope);
   };
 
+  // Postpone the generation of the constant pool for the specified number of
+  // instructions.
+  void BlockConstPoolFor(int instructions);
+
   // Debugging
 
   // Mark address of the ExitJSFrame code.
   void RecordJSReturn();
 
   // Record a comment relocation entry that can be used by a disassembler.
   // Use --debug_code to enable.
   void RecordComment(const char* msg);
 
   void RecordPosition(int pos);
   void RecordStatementPosition(int pos);
   void WriteRecordedPositions();
 
   int pc_offset() const { return pc_ - buffer_; }
   int current_position() const { return current_position_; }
   int current_statement_position() const { return current_statement_position_; }
 
-  void StartBlockConstPool() {
-    const_pool_blocked_nesting_++;
-  }
-  void EndBlockConstPool() {
-    const_pool_blocked_nesting_--;
-  }
-
   // Read/patch instructions
   static Instr instr_at(byte* pc) { return *reinterpret_cast<Instr*>(pc); }
   static void instr_at_put(byte* pc, Instr instr) {
     *reinterpret_cast<Instr*>(pc) = instr;
   }
   static bool IsNop(Instr instr, int type = 0);
   static bool IsBranch(Instr instr);
   static int GetBranchOffset(Instr instr);
   static bool IsLdrRegisterImmediate(Instr instr);
   static int GetLdrRegisterImmediateOffset(Instr instr);
@@ skipping 16 matching lines @@
   void target_at_put(int pos, int target_pos);
 
   // Check if is time to emit a constant pool for pending reloc info entries
   void CheckConstPool(bool force_emit, bool require_jump);
 
   // Block the emission of the constant pool before pc_offset
   void BlockConstPoolBefore(int pc_offset) {
     if (no_const_pool_before_ < pc_offset) no_const_pool_before_ = pc_offset;
   }
 
+  void StartBlockConstPool() {
+    const_pool_blocked_nesting_++;
+  }
+  void EndBlockConstPool() {
+    const_pool_blocked_nesting_--;
+  }
+
  private:
   // Code buffer:
   // The buffer into which code and relocation info are generated.
   byte* buffer_;
   int buffer_size_;
   // True if the assembler owns the buffer, false if buffer is external.
   bool own_buffer_;
 
   // Buffer size and constant pool distance are checked together at regular
   // intervals of kBufferCheckInterval emitted bytes
@@ skipping 89 matching lines @@
 
   friend class RegExpMacroAssemblerARM;
   friend class RelocInfo;
   friend class CodePatcher;
   friend class BlockConstPoolScope;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_ASSEMBLER_ARM_H_