Remove broken %_Log functionality.

src/x64/full-codegen-x64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "v8.h"
 
 #if V8_TARGET_ARCH_X64
 
 #include "code-stubs.h"
 #include "codegen.h"
@@ skipping 3250 matching lines @@
   __ bind(&null);
   __ LoadRoot(rax, Heap::kNullValueRootIndex);
 
   // All done.
   __ bind(&done);
 
   context()->Plug(rax);
 }
 
 
-void FullCodeGenerator::EmitLog(CallRuntime* expr) {
-  // Conditionally generate a log call.
-  // Args:
-  //   0 (literal string): The type of logging (corresponds to the flags).
-  //     This is used to determine whether or not to generate the log call.
-  //   1 (string): Format string.  Access the string at argument index 2
-  //     with '%2s' (see Logger::LogRuntime for all the formats).
-  //   2 (array): Arguments to the format string.
-  ZoneList<Expression*>* args = expr->arguments();
-  ASSERT_EQ(args->length(), 3);
-  if (CodeGenerator::ShouldGenerateLog(isolate(), args->at(0))) {
-    VisitForStackValue(args->at(1));
-    VisitForStackValue(args->at(2));
-    __ CallRuntime(Runtime::kHiddenLog, 2);
-  }
-  // Finally, we're expected to leave a value on the top of the stack.
-  __ LoadRoot(rax, Heap::kUndefinedValueRootIndex);
-  context()->Plug(rax);
-}
-
-
 void FullCodeGenerator::EmitSubString(CallRuntime* expr) {
   // Load the arguments on the stack and call the stub.
   SubStringStub stub(isolate());
   ZoneList<Expression*>* args = expr->arguments();
   ASSERT(args->length() == 3);
   VisitForStackValue(args->at(0));
   VisitForStackValue(args->at(1));
   VisitForStackValue(args->at(2));
   __ CallStub(&stub);
   context()->Plug(rax);
@@ skipping 1552 matching lines @@
   ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(),
             Assembler::target_address_at(call_target_address,
                                          unoptimized_code));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64