Enable stub generation using Hydrogen/Lithium (again)

src/codegen.cc

 // Copyright 2012 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 102 matching lines @@
 
 
 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));
   if (print_code) {
     // Print the source code if available.
     FunctionLiteral* function = info->function();
-    Handle<Script> script = info->script();
-    if (!script->IsUndefined() && !script->source()->IsUndefined()) {
-      PrintF("--- Raw source ---\n");
-      StringInputBuffer stream(String::cast(script->source()));
-      stream.Seek(function->start_position());
-      // fun->end_position() points to the last character in the stream. We
-      // need to compensate by adding one to calculate the length.
-      int source_len =
-          function->end_position() - function->start_position() + 1;
-      for (int i = 0; i < source_len; i++) {
-        if (stream.has_more()) PrintF("%c", stream.GetNext());
+    if (code->kind() != Code::COMPILED_STUB) {
+      Handle<Script> script = info->script();
+      if (!script->IsUndefined() && !script->source()->IsUndefined()) {
+        PrintF("--- Raw source ---\n");
+        StringInputBuffer stream(String::cast(script->source()));
+        stream.Seek(function->start_position());
+        // fun->end_position() points to the last character in the stream. We
+        // need to compensate by adding one to calculate the length.
+        int source_len =
+            function->end_position() - function->start_position() + 1;
+        for (int i = 0; i < source_len; i++) {
+          if (stream.has_more()) PrintF("%c", stream.GetNext());
+        }
+        PrintF("\n\n");
       }
-      PrintF("\n\n");
     }
     if (info->IsOptimizing()) {
       if (FLAG_print_unopt_code) {
         PrintF("--- Unoptimized code ---\n");
         info->closure()->shared()->code()->Disassemble(
             *function->debug_name()->ToCString());
       }
       PrintF("--- Optimized code ---\n");
     } else {
       PrintF("--- Code ---\n");
     }
-    code->Disassemble(*function->debug_name()->ToCString());
+    if (info->IsStub()) {
+      code->Disassemble("");

[Jakob Kummerow, 2012/11/28 16:28:22]

use info->stub()->Major()?

[danno, 2012/11/30 16:23:24]

Done.

+    } else {
+      code->Disassemble(*function->debug_name()->ToCString());
+    }
   }
 #endif  // ENABLE_DISASSEMBLER
 }
 
 
 bool CodeGenerator::ShouldGenerateLog(Expression* type) {
   ASSERT(type != NULL);
   Isolate* isolate = Isolate::Current();
   if (!isolate->logger()->is_logging() && !CpuProfiler::is_profiling(isolate)) {
     return false;
@@ skipping 44 matching lines @@
   ASSERT(result_size_ == 1 || result_size_ == 2);
 #ifdef _WIN64
   return result | ((result_size_ == 1) ? 0 : 2);
 #else
   return result;
 #endif
 }
 
 
 } }  // namespace v8::internal