Avoid TLS access for counters.

src/codegen.cc

 // Copyright 2010 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 157 matching lines @@
     JsonAstBuilder builder;
     PrintF("%s", builder.BuildProgram(info->function()));
   }
 #endif  // DEBUG
 }
 
 
 Handle<Code> CodeGenerator::MakeCodeEpilogue(MacroAssembler* masm,
                                              Code::Flags flags,
                                              CompilationInfo* info) {
+  Isolate* isolate = info->isolate();
+
   // Allocate and install the code.
   CodeDesc desc;
   masm->GetCode(&desc);
-  Handle<Code> code = FACTORY->NewCode(desc, flags, masm->CodeObject());
+  Handle<Code> code =
+      isolate->factory()->NewCode(desc, flags, masm->CodeObject());
 
   if (!code.is_null()) {
-    COUNTERS->total_compiled_code_size()->Increment(code->instruction_size());
+    isolate->counters()->total_compiled_code_size()->Increment(
+        code->instruction_size());
   }
   return code;
 }
 
 
 void CodeGenerator::PrintCode(Handle<Code> code, CompilationInfo* info) {
 #ifdef ENABLE_DISASSEMBLER
   bool print_code = Isolate::Current()->bootstrapper()->IsActive()
       ? FLAG_print_builtin_code
       : (FLAG_print_code || (info->IsOptimizing() && FLAG_print_opt_code));
@@ skipping 33 matching lines @@
 
 
 // Generate the code.  Compile the AST and assemble all the pieces into a
 // Code object.
 bool CodeGenerator::MakeCode(CompilationInfo* info) {
   // When using Crankshaft the classic backend should never be used.
   ASSERT(!V8::UseCrankshaft());
   Handle<Script> script = info->script();
   if (!script->IsUndefined() && !script->source()->IsUndefined()) {
     int len = String::cast(script->source())->length();
-    COUNTERS->total_old_codegen_source_size()->Increment(len);
+    Counters* counters = info->isolate()->counters();
+    counters->total_old_codegen_source_size()->Increment(len);
   }
   if (FLAG_trace_codegen) {
     PrintF("Classic Compiler - ");
   }
   MakeCodePrologue(info);
   // Generate code.
   const int kInitialBufferSize = 4 * KB;
   MacroAssembler masm(NULL, kInitialBufferSize);
 #ifdef ENABLE_GDB_JIT_INTERFACE
   masm.positions_recorder()->StartGDBJITLineInfoRecording();
@@ skipping 242 matching lines @@
   int result = save_doubles_ ? 1 : 0;
 #ifdef _WIN64
   return result | ((result_size_ == 1) ? 0 : 2);
 #else
   return result;
 #endif
 }
 
 
 } }  // namespace v8::internal