Refactor the compiling pipeline.

src/x64/builtins-x64.cc

Index: src/x64/builtins-x64.cc
diff --git a/src/x64/builtins-x64.cc b/src/x64/builtins-x64.cc
index aef91640a01687f133f5dcd68770c416b278968b..d3328cb50f12f8d2ba782c9295c2db9bd14d8b4c 100644
--- a/src/x64/builtins-x64.cc
+++ b/src/x64/builtins-x64.cc
@@ -73,21 +73,25 @@ void Builtins::Generate_Adaptor(MacroAssembler* masm,
 }
 
 
-static void CallRuntimePassFunction(MacroAssembler* masm,
-                                    Runtime::FunctionId function_id) {
-  FrameScope scope(masm, StackFrame::INTERNAL);
-  // Push a copy of the function onto the stack.
-  __ push(rdi);
-  // Push call kind information.
-  __ push(rcx);
-  // Function is also the parameter to the runtime call.
-  __ push(rdi);
+static void CallRuntimePassFunctionAndTailCall(
+    MacroAssembler* masm, Runtime::FunctionId function_id) {
+  { FrameScope scope(masm, StackFrame::INTERNAL);
+    // Push a copy of the function onto the stack.
+    __ push(rdi);
+    // Push call kind information.
+    __ push(rcx);
+    // Function is also the parameter to the runtime call.
+    __ push(rdi);
 
-  __ CallRuntime(function_id, 1);
-  // Restore call kind information.
-  __ pop(rcx);
-  // Restore receiver.
-  __ pop(rdi);
+    __ CallRuntime(function_id, 1);
+    // Restore call kind information.
+    __ pop(rcx);
+    // Restore receiver.
+    __ pop(rdi);
+  }
+  // Tail call to returned code.
+  __ lea(rax, FieldOperand(rax, Code::kHeaderSize));
+  __ jmp(rax);
 }
 
 
@@ -101,7 +105,7 @@ static void GenerateTailCallToSharedCode(MacroAssembler* masm) {
 }
 
 
-void Builtins::Generate_InRecompileQueue(MacroAssembler* masm) {
+void Builtins::Generate_InOptimizationQueue(MacroAssembler* masm) {
   // Checking whether the queued function is ready for install is optional,
   // since we come across interrupts and stack checks elsewhere.  However,
   // not checking may delay installing ready functions, and always checking
@@ -111,22 +115,13 @@ void Builtins::Generate_InRecompileQueue(MacroAssembler* masm) {
   __ CompareRoot(rsp, Heap::kStackLimitRootIndex);
   __ j(above_equal, &ok);
 
-  CallRuntimePassFunction(masm, Runtime::kTryInstallRecompiledCode);
-  // Tail call to returned code.
-  __ lea(rax, FieldOperand(rax, Code::kHeaderSize));
-  __ jmp(rax);
+  CallRuntimePassFunctionAndTailCall(masm, Runtime::kTryInstallOptimizedCode);
 
   __ bind(&ok);
   GenerateTailCallToSharedCode(masm);
 }
 
 
-void Builtins::Generate_ConcurrentRecompile(MacroAssembler* masm) {
-  CallRuntimePassFunction(masm, Runtime::kConcurrentRecompile);
-  GenerateTailCallToSharedCode(masm);
-}
-
-
 static void Generate_JSConstructStubHelper(MacroAssembler* masm,
                                            bool is_api_function,
                                            bool count_constructions) {
@@ -574,21 +569,44 @@ void Builtins::Generate_JSConstructEntryTrampoline(MacroAssembler* masm) {
 
 
 void Builtins::Generate_LazyCompile(MacroAssembler* masm) {
-  CallRuntimePassFunction(masm, Runtime::kLazyCompile);
-  // Do a tail-call of the compiled function.
-  __ lea(rax, FieldOperand(rax, Code::kHeaderSize));
-  __ jmp(rax);
+  CallRuntimePassFunctionAndTailCall(masm, Runtime::kCompileUnoptimized);
 }
 
 
-void Builtins::Generate_LazyRecompile(MacroAssembler* masm) {
-  CallRuntimePassFunction(masm, Runtime::kLazyRecompile);
-  // Do a tail-call of the compiled function.
+static void CallCompileOptimizedAndTailCall(MacroAssembler* masm,
+                                            bool concurrent) {
+  { FrameScope scope(masm, StackFrame::INTERNAL);
+    // Push a copy of the function onto the stack.
+    __ push(rdi);
+    // Push call kind information.
+    __ push(rcx);
+    // Function is also the parameter to the runtime call.
+    __ push(rdi);
+    // Whether to compile in a background thread.
+    __ Push(masm->isolate()->factory()->ToBoolean(concurrent));
+
+    __ CallRuntime(Runtime::kCompileOptimized, 2);
+    // Restore call kind information.
+    __ pop(rcx);
+    // Restore receiver.
+    __ pop(rdi);
+  }
+  // Tail call to returned code.
   __ lea(rax, FieldOperand(rax, Code::kHeaderSize));
   __ jmp(rax);
 }
 
 
+void Builtins::Generate_CompileOptimized(MacroAssembler* masm) {
+  CallCompileOptimizedAndTailCall(masm, false);
+}
+
+
+void Builtins::Generate_CompileOptimizedConcurrent(MacroAssembler* masm) {
+  CallCompileOptimizedAndTailCall(masm, true);
+}
+
+
 static void GenerateMakeCodeYoungAgainCommon(MacroAssembler* masm) {
   // For now, we are relying on the fact that make_code_young doesn't do any
   // garbage collection which allows us to save/restore the registers without