Add log compression ability.

src/ia32/assembler-ia32.cc

 // 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 99 matching lines @@
   __ popfd();
   __ pop(ebp);
   __ ret(0);
 #undef __
 
   CodeDesc desc;
   assm.GetCode(&desc);
   Object* code =
       Heap::CreateCode(desc, NULL, Code::ComputeFlags(Code::STUB), NULL);
   if (!code->IsCode()) return;
-  LOG(CodeCreateEvent("Builtin", Code::cast(code), "CpuFeatures::Probe"));
+  LOG(CodeCreateEvent(Logger::BUILTIN_TAG,
+                      Code::cast(code), "CpuFeatures::Probe"));
   typedef uint64_t (*F0)();
   F0 probe = FUNCTION_CAST<F0>(Code::cast(code)->entry());
   supported_ = probe();
 }
 
 
 // -----------------------------------------------------------------------------
 // Implementation of Displacement
 
 void Displacement::init(Label* L, Type type) {
@@ skipping 2064 matching lines @@
   push_insn[1] = 13;    // Skip over coverage insns.
   if (coverage_log != NULL) {
     fprintf(coverage_log, "%s\n", file_line);
     fflush(coverage_log);
   }
 }
 
 #endif
 
 } }  // namespace v8::internal