Print reason for disabling optimization. Kill --trace-bailout flag.

src/mips/lithium-codegen-mips.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 71 matching lines @@
 
 
 void LCodeGen::FinishCode(Handle<Code> code) {
   ASSERT(is_done());
   code->set_stack_slots(GetStackSlotCount());
   code->set_safepoint_table_offset(safepoints_.GetCodeOffset());
   PopulateDeoptimizationData(code);
 }
 
 
-void LCodeGen::Abort(const char* format, ...) {
-  if (FLAG_trace_bailout) {
-    SmartArrayPointer<char> name(
-        info()->shared_info()->DebugName()->ToCString());
-    PrintF("Aborting LCodeGen in @\"%s\": ", *name);
-    va_list arguments;
-    va_start(arguments, format);
-    OS::VPrint(format, arguments);
-    va_end(arguments);
-    PrintF("\n");
-  }
+void LChunkBuilder::Abort(const char* reason) {
+  info()->set_bailout_reason(reason);
   status_ = ABORTED;
 }
 
 
 void LCodeGen::Comment(const char* format, ...) {
   if (!FLAG_code_comments) return;
   char buffer[4 * KB];
   StringBuilder builder(buffer, ARRAY_SIZE(buffer));
   va_list arguments;
   va_start(arguments, format);
@@ skipping 141 matching lines @@
   // Deferred code is the last part of the instruction sequence. Mark
   // the generated code as done unless we bailed out.
   if (!is_aborted()) status_ = DONE;
   return !is_aborted();
 }
 
 
 bool LCodeGen::GenerateDeoptJumpTable() {
   // TODO(plind): not clear that this will have advantage for MIPS.
   // Skipping it for now. Raised issue #100 for this.
-  Abort("Unimplemented: %s", "GenerateDeoptJumpTable");
+  Abort("Unimplemented: GenerateDeoptJumpTable");
   return false;
 }
 
 
 bool LCodeGen::GenerateSafepointTable() {
   ASSERT(is_done());
   safepoints_.Emit(masm(), GetStackSlotCount());
   return !is_aborted();
 }
 
@@ skipping 5077 matching lines @@
   __ Subu(scratch, result, scratch);
   __ lw(result, FieldMemOperand(scratch,
                                 FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal