Add comment to generated code that says which code generator compiled it.

Review URL: http://codereview.chromium.org/652110

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3932 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/codegen-arm.cc

@@ -145,6 +145,7 @@ Scope* CodeGenerator::scope() { return info_->function()->scope(); }
 void CodeGenerator::Generate(CompilationInfo* info) {
   // Record the position for debugging purposes.
   CodeForFunctionPosition(info->function());
+  Comment cmnt(masm_, "[ function compiled by virtual frame code generator");
 
   // Initialize state.
   info_ = info;

src/arm/fast-codegen-arm.cc

@@ -179,6 +179,7 @@ void FastCodeGenerator::EmitBitOr() {
 void FastCodeGenerator::Generate(CompilationInfo* compilation_info) {
   ASSERT(info_ == NULL);
   info_ = compilation_info;
+  Comment cmnt(masm_, "[ function compiled by fast code generator");
 
   // Save the caller's frame pointer and set up our own.
   Comment prologue_cmnt(masm(), ";; Prologue");

src/arm/full-codegen-arm.cc

@@ -56,6 +56,7 @@ void FullCodeGenerator::Generate(CompilationInfo* info, Mode mode) {
   ASSERT(info_ == NULL);
   info_ = info;
   SetFunctionPosition(function());
+  Comment cmnt(masm_, "[ function compiled by full code generator");
 
   if (mode == PRIMARY) {
     int locals_count = scope()->num_stack_slots();

src/ia32/codegen-ia32.cc

@@ -128,6 +128,7 @@ Scope* CodeGenerator::scope() { return info_->function()->scope(); }
 void CodeGenerator::Generate(CompilationInfo* info) {
   // Record the position for debugging purposes.
   CodeForFunctionPosition(info->function());
+  Comment cmnt(masm_, "[ function compiled by virtual frame code generator");
 
   // Initialize state.
   info_ = info;

src/ia32/fast-codegen-ia32.cc

@@ -621,6 +621,7 @@ void FastCodeGenerator::EmitBitOr() {
 void FastCodeGenerator::Generate(CompilationInfo* compilation_info) {
   ASSERT(info_ == NULL);
   info_ = compilation_info;
+  Comment cmnt(masm_, "[ function compiled by fast code generator");
 
   // Save the caller's frame pointer and set up our own.
   Comment prologue_cmnt(masm(), ";; Prologue");

src/ia32/full-codegen-ia32.cc

@@ -55,6 +55,7 @@ void FullCodeGenerator::Generate(CompilationInfo* info, Mode mode) {
   ASSERT(info_ == NULL);
   info_ = info;
   SetFunctionPosition(function());
+  Comment cmnt(masm_, "[ function compiled by full code generator");
 
   if (mode == PRIMARY) {
     __ push(ebp);  // Caller's frame pointer.

src/x64/codegen-x64.cc

@@ -280,6 +280,7 @@ void CodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) {
 void CodeGenerator::Generate(CompilationInfo* info) {
   // Record the position for debugging purposes.
   CodeForFunctionPosition(info->function());
+  Comment cmnt(masm_, "[ function compiled by virtual frame code generator");
 
   // Initialize state.
   info_ = info;

src/x64/fast-codegen-x64.cc

@@ -188,6 +188,7 @@ void FastCodeGenerator::EmitBitOr() {
 void FastCodeGenerator::Generate(CompilationInfo* compilation_info) {
   ASSERT(info_ == NULL);
   info_ = compilation_info;
+  Comment cmnt(masm_, "[ function compiled by fast code generator");
 
   // Save the caller's frame pointer and set up our own.
   Comment prologue_cmnt(masm(), ";; Prologue");

src/x64/full-codegen-x64.cc

@@ -55,6 +55,7 @@ void FullCodeGenerator::Generate(CompilationInfo* info, Mode mode) {
   ASSERT(info_ == NULL);
   info_ = info;
   SetFunctionPosition(function());
+  Comment cmnt(masm_, "[ function compiled by full code generator");
 
   if (mode == PRIMARY) {
     __ push(rbp);  // Caller's frame pointer.