[builtins] move builtin files to src/builtins/.

src/ia32/builtins-ia32.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.
-
-#if V8_TARGET_ARCH_IA32
-
-#include "src/code-factory.h"
-#include "src/codegen.h"
-#include "src/deoptimizer.h"
-#include "src/full-codegen/full-codegen.h"
-#include "src/ia32/frames-ia32.h"
-
-namespace v8 {
-namespace internal {
-
-
-#define __ ACCESS_MASM(masm)
-
-void Builtins::Generate_Adaptor(MacroAssembler* masm, CFunctionId id,
-                                ExitFrameType exit_frame_type) {
-  // ----------- S t a t e -------------
-  //  -- eax                : number of arguments excluding receiver
-  //  -- edi                : target
-  //  -- edx                : new.target
-  //  -- esp[0]             : return address
-  //  -- esp[4]             : last argument
-  //  -- ...
-  //  -- esp[4 * argc]      : first argument
-  //  -- esp[4 * (argc +1)] : receiver
-  // -----------------------------------
-  __ AssertFunction(edi);
-
-  // Make sure we operate in the context of the called function (for example
-  // ConstructStubs implemented in C++ will be run in the context of the caller
-  // instead of the callee, due to the way that [[Construct]] is defined for
-  // ordinary functions).
-  __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset));
-
-  // JumpToExternalReference expects eax to contain the number of arguments
-  // including the receiver and the extra arguments.
-  const int num_extra_args = 3;
-  __ add(eax, Immediate(num_extra_args + 1));
-
-  // Insert extra arguments.
-  __ PopReturnAddressTo(ecx);
-  __ SmiTag(eax);
-  __ Push(eax);
-  __ SmiUntag(eax);
-  __ Push(edi);
-  __ Push(edx);
-  __ PushReturnAddressFrom(ecx);
-
-  __ JumpToExternalReference(ExternalReference(id, masm->isolate()),
-                             exit_frame_type == BUILTIN_EXIT);
-}
-
-static void GenerateTailCallToReturnedCode(MacroAssembler* masm,
-                                           Runtime::FunctionId function_id) {
-  // ----------- S t a t e -------------
-  //  -- eax : argument count (preserved for callee)
-  //  -- edx : new target (preserved for callee)
-  //  -- edi : target function (preserved for callee)
-  // -----------------------------------
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
-    // Push the number of arguments to the callee.
-    __ SmiTag(eax);
-    __ push(eax);
-    // Push a copy of the target function and the new target.
-    __ push(edi);
-    __ push(edx);
-    // Function is also the parameter to the runtime call.
-    __ push(edi);
-
-    __ CallRuntime(function_id, 1);
-    __ mov(ebx, eax);
-
-    // Restore target function and new target.
-    __ pop(edx);
-    __ pop(edi);
-    __ pop(eax);
-    __ SmiUntag(eax);
-  }
-
-  __ lea(ebx, FieldOperand(ebx, Code::kHeaderSize));
-  __ jmp(ebx);
-}
-
-static void GenerateTailCallToSharedCode(MacroAssembler* masm) {
-  __ mov(ebx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
-  __ mov(ebx, FieldOperand(ebx, SharedFunctionInfo::kCodeOffset));
-  __ lea(ebx, FieldOperand(ebx, Code::kHeaderSize));
-  __ jmp(ebx);
-}
-
-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
-  // would be quite expensive.  A good compromise is to first check against
-  // stack limit as a cue for an interrupt signal.
-  Label ok;
-  ExternalReference stack_limit =
-      ExternalReference::address_of_stack_limit(masm->isolate());
-  __ cmp(esp, Operand::StaticVariable(stack_limit));
-  __ j(above_equal, &ok, Label::kNear);
-
-  GenerateTailCallToReturnedCode(masm, Runtime::kTryInstallOptimizedCode);
-
-  __ bind(&ok);
-  GenerateTailCallToSharedCode(masm);
-}
-
-static void Generate_JSConstructStubHelper(MacroAssembler* masm,
-                                           bool is_api_function,
-                                           bool create_implicit_receiver,
-                                           bool check_derived_construct) {
-  // ----------- S t a t e -------------
-  //  -- eax: number of arguments
-  //  -- esi: context
-  //  -- edi: constructor function
-  //  -- ebx: allocation site or undefined
-  //  -- edx: new target
-  // -----------------------------------
-
-  // Enter a construct frame.
-  {
-    FrameScope scope(masm, StackFrame::CONSTRUCT);
-
-    // Preserve the incoming parameters on the stack.
-    __ AssertUndefinedOrAllocationSite(ebx);
-    __ push(esi);
-    __ push(ebx);
-    __ SmiTag(eax);
-    __ push(eax);
-
-    if (create_implicit_receiver) {
-      // Allocate the new receiver object.
-      __ Push(edi);
-      __ Push(edx);
-      FastNewObjectStub stub(masm->isolate());
-      __ CallStub(&stub);
-      __ mov(ebx, eax);
-      __ Pop(edx);
-      __ Pop(edi);
-
-      // ----------- S t a t e -------------
-      //  -- edi: constructor function
-      //  -- ebx: newly allocated object
-      //  -- edx: new target
-      // -----------------------------------
-
-      // Retrieve smi-tagged arguments count from the stack.
-      __ mov(eax, Operand(esp, 0));
-    }
-
-    __ SmiUntag(eax);
-
-    if (create_implicit_receiver) {
-      // Push the allocated receiver to the stack. We need two copies
-      // because we may have to return the original one and the calling
-      // conventions dictate that the called function pops the receiver.
-      __ push(ebx);
-      __ push(ebx);
-    } else {
-      __ PushRoot(Heap::kTheHoleValueRootIndex);
-    }
-
-    // Set up pointer to last argument.
-    __ lea(ebx, Operand(ebp, StandardFrameConstants::kCallerSPOffset));
-
-    // Copy arguments and receiver to the expression stack.
-    Label loop, entry;
-    __ mov(ecx, eax);
-    __ jmp(&entry);
-    __ bind(&loop);
-    __ push(Operand(ebx, ecx, times_4, 0));
-    __ bind(&entry);
-    __ dec(ecx);
-    __ j(greater_equal, &loop);
-
-    // Call the function.
-    ParameterCount actual(eax);
-    __ InvokeFunction(edi, edx, actual, CALL_FUNCTION,
-                      CheckDebugStepCallWrapper());
-
-    // Store offset of return address for deoptimizer.
-    if (create_implicit_receiver && !is_api_function) {
-      masm->isolate()->heap()->SetConstructStubDeoptPCOffset(masm->pc_offset());
-    }
-
-    // Restore context from the frame.
-    __ mov(esi, Operand(ebp, ConstructFrameConstants::kContextOffset));
-
-    if (create_implicit_receiver) {
-      // If the result is an object (in the ECMA sense), we should get rid
-      // of the receiver and use the result.
-      Label use_receiver, exit;
-
-      // If the result is a smi, it is *not* an object in the ECMA sense.
-      __ JumpIfSmi(eax, &use_receiver);
-
-      // If the type of the result (stored in its map) is less than
-      // FIRST_JS_RECEIVER_TYPE, it is not an object in the ECMA sense.
-      __ CmpObjectType(eax, FIRST_JS_RECEIVER_TYPE, ecx);
-      __ j(above_equal, &exit);
-
-      // Throw away the result of the constructor invocation and use the
-      // on-stack receiver as the result.
-      __ bind(&use_receiver);
-      __ mov(eax, Operand(esp, 0));
-
-      // Restore the arguments count and leave the construct frame. The
-      // arguments count is stored below the receiver.
-      __ bind(&exit);
-      __ mov(ebx, Operand(esp, 1 * kPointerSize));
-    } else {
-      __ mov(ebx, Operand(esp, 0));
-    }
-
-    // Leave construct frame.
-  }
-
-  // ES6 9.2.2. Step 13+
-  // Check that the result is not a Smi, indicating that the constructor result
-  // from a derived class is neither undefined nor an Object.
-  if (check_derived_construct) {
-    Label dont_throw;
-    __ JumpIfNotSmi(eax, &dont_throw);
-    {
-      FrameScope scope(masm, StackFrame::INTERNAL);
-      __ CallRuntime(Runtime::kThrowDerivedConstructorReturnedNonObject);
-    }
-    __ bind(&dont_throw);
-  }
-
-  // Remove caller arguments from the stack and return.
-  STATIC_ASSERT(kSmiTagSize == 1 && kSmiTag == 0);
-  __ pop(ecx);
-  __ lea(esp, Operand(esp, ebx, times_2, 1 * kPointerSize));  // 1 ~ receiver
-  __ push(ecx);
-  if (create_implicit_receiver) {
-    __ IncrementCounter(masm->isolate()->counters()->constructed_objects(), 1);
-  }
-  __ ret(0);
-}
-
-
-void Builtins::Generate_JSConstructStubGeneric(MacroAssembler* masm) {
-  Generate_JSConstructStubHelper(masm, false, true, false);
-}
-
-
-void Builtins::Generate_JSConstructStubApi(MacroAssembler* masm) {
-  Generate_JSConstructStubHelper(masm, true, false, false);
-}
-
-
-void Builtins::Generate_JSBuiltinsConstructStub(MacroAssembler* masm) {
-  Generate_JSConstructStubHelper(masm, false, false, false);
-}
-
-
-void Builtins::Generate_JSBuiltinsConstructStubForDerived(
-    MacroAssembler* masm) {
-  Generate_JSConstructStubHelper(masm, false, false, true);
-}
-
-
-void Builtins::Generate_ConstructedNonConstructable(MacroAssembler* masm) {
-  FrameScope scope(masm, StackFrame::INTERNAL);
-  __ push(edi);
-  __ CallRuntime(Runtime::kThrowConstructedNonConstructable);
-}
-
-
-enum IsTagged { kEaxIsSmiTagged, kEaxIsUntaggedInt };
-
-
-// Clobbers ecx, edx, edi; preserves all other registers.
-static void Generate_CheckStackOverflow(MacroAssembler* masm,
-                                        IsTagged eax_is_tagged) {
-  // eax   : the number of items to be pushed to the stack
-  //
-  // Check the stack for overflow. We are not trying to catch
-  // interruptions (e.g. debug break and preemption) here, so the "real stack
-  // limit" is checked.
-  Label okay;
-  ExternalReference real_stack_limit =
-      ExternalReference::address_of_real_stack_limit(masm->isolate());
-  __ mov(edi, Operand::StaticVariable(real_stack_limit));
-  // Make ecx the space we have left. The stack might already be overflowed
-  // here which will cause ecx to become negative.
-  __ mov(ecx, esp);
-  __ sub(ecx, edi);
-  // Make edx the space we need for the array when it is unrolled onto the
-  // stack.
-  __ mov(edx, eax);
-  int smi_tag = eax_is_tagged == kEaxIsSmiTagged ? kSmiTagSize : 0;
-  __ shl(edx, kPointerSizeLog2 - smi_tag);
-  // Check if the arguments will overflow the stack.
-  __ cmp(ecx, edx);
-  __ j(greater, &okay);  // Signed comparison.
-
-  // Out of stack space.
-  __ CallRuntime(Runtime::kThrowStackOverflow);
-
-  __ bind(&okay);
-}
-
-
-static void Generate_JSEntryTrampolineHelper(MacroAssembler* masm,
-                                             bool is_construct) {
-  ProfileEntryHookStub::MaybeCallEntryHook(masm);
-
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
-
-    // Setup the context (we need to use the caller context from the isolate).
-    ExternalReference context_address(Isolate::kContextAddress,
-                                      masm->isolate());
-    __ mov(esi, Operand::StaticVariable(context_address));
-
-    // Load the previous frame pointer (ebx) to access C arguments
-    __ mov(ebx, Operand(ebp, 0));
-
-    // Push the function and the receiver onto the stack.
-    __ push(Operand(ebx, EntryFrameConstants::kFunctionArgOffset));
-    __ push(Operand(ebx, EntryFrameConstants::kReceiverArgOffset));
-
-    // Load the number of arguments and setup pointer to the arguments.
-    __ mov(eax, Operand(ebx, EntryFrameConstants::kArgcOffset));
-    __ mov(ebx, Operand(ebx, EntryFrameConstants::kArgvOffset));
-
-    // Check if we have enough stack space to push all arguments.
-    // Expects argument count in eax. Clobbers ecx, edx, edi.
-    Generate_CheckStackOverflow(masm, kEaxIsUntaggedInt);
-
-    // Copy arguments to the stack in a loop.
-    Label loop, entry;
-    __ Move(ecx, Immediate(0));
-    __ jmp(&entry, Label::kNear);
-    __ bind(&loop);
-    __ mov(edx, Operand(ebx, ecx, times_4, 0));  // push parameter from argv
-    __ push(Operand(edx, 0));  // dereference handle
-    __ inc(ecx);
-    __ bind(&entry);
-    __ cmp(ecx, eax);
-    __ j(not_equal, &loop);
-
-    // Load the previous frame pointer (ebx) to access C arguments
-    __ mov(ebx, Operand(ebp, 0));
-
-    // Get the new.target and function from the frame.
-    __ mov(edx, Operand(ebx, EntryFrameConstants::kNewTargetArgOffset));
-    __ mov(edi, Operand(ebx, EntryFrameConstants::kFunctionArgOffset));
-
-    // Invoke the code.
-    Handle<Code> builtin = is_construct
-                               ? masm->isolate()->builtins()->Construct()
-                               : masm->isolate()->builtins()->Call();
-    __ Call(builtin, RelocInfo::CODE_TARGET);
-
-    // Exit the internal frame. Notice that this also removes the empty.
-    // context and the function left on the stack by the code
-    // invocation.
-  }
-  __ ret(kPointerSize);  // Remove receiver.
-}
-
-
-void Builtins::Generate_JSEntryTrampoline(MacroAssembler* masm) {
-  Generate_JSEntryTrampolineHelper(masm, false);
-}
-
-
-void Builtins::Generate_JSConstructEntryTrampoline(MacroAssembler* masm) {
-  Generate_JSEntryTrampolineHelper(masm, true);
-}
-
-// static
-void Builtins::Generate_ResumeGeneratorTrampoline(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax    : the value to pass to the generator
-  //  -- ebx    : the JSGeneratorObject to resume
-  //  -- edx    : the resume mode (tagged)
-  //  -- esp[0] : return address
-  // -----------------------------------
-  __ AssertGeneratorObject(ebx);
-
-  // Store input value into generator object.
-  __ mov(FieldOperand(ebx, JSGeneratorObject::kInputOrDebugPosOffset), eax);
-  __ RecordWriteField(ebx, JSGeneratorObject::kInputOrDebugPosOffset, eax, ecx,
-                      kDontSaveFPRegs);
-
-  // Store resume mode into generator object.
-  __ mov(FieldOperand(ebx, JSGeneratorObject::kResumeModeOffset), edx);
-
-  // Load suspended function and context.
-  __ mov(esi, FieldOperand(ebx, JSGeneratorObject::kContextOffset));
-  __ mov(edi, FieldOperand(ebx, JSGeneratorObject::kFunctionOffset));
-
-  // Flood function if we are stepping.
-  Label prepare_step_in_if_stepping, prepare_step_in_suspended_generator;
-  Label stepping_prepared;
-  ExternalReference last_step_action =
-      ExternalReference::debug_last_step_action_address(masm->isolate());
-  STATIC_ASSERT(StepFrame > StepIn);
-  __ cmpb(Operand::StaticVariable(last_step_action), Immediate(StepIn));
-  __ j(greater_equal, &prepare_step_in_if_stepping);
-
-  // Flood function if we need to continue stepping in the suspended generator.
-  ExternalReference debug_suspended_generator =
-      ExternalReference::debug_suspended_generator_address(masm->isolate());
-  __ cmp(ebx, Operand::StaticVariable(debug_suspended_generator));
-  __ j(equal, &prepare_step_in_suspended_generator);
-  __ bind(&stepping_prepared);
-
-  // Pop return address.
-  __ PopReturnAddressTo(eax);
-
-  // Push receiver.
-  __ Push(FieldOperand(ebx, JSGeneratorObject::kReceiverOffset));
-
-  // ----------- S t a t e -------------
-  //  -- eax    : return address
-  //  -- ebx    : the JSGeneratorObject to resume
-  //  -- edx    : the resume mode (tagged)
-  //  -- edi    : generator function
-  //  -- esi    : generator context
-  //  -- esp[0] : generator receiver
-  // -----------------------------------
-
-  // Push holes for arguments to generator function. Since the parser forced
-  // context allocation for any variables in generators, the actual argument
-  // values have already been copied into the context and these dummy values
-  // will never be used.
-  __ mov(ecx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
-  __ mov(ecx,
-         FieldOperand(ecx, SharedFunctionInfo::kFormalParameterCountOffset));
-  {
-    Label done_loop, loop;
-    __ bind(&loop);
-    __ sub(ecx, Immediate(Smi::FromInt(1)));
-    __ j(carry, &done_loop, Label::kNear);
-    __ PushRoot(Heap::kTheHoleValueRootIndex);
-    __ jmp(&loop);
-    __ bind(&done_loop);
-  }
-
-  // Dispatch on the kind of generator object.
-  Label old_generator;
-  __ mov(ecx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
-  __ mov(ecx, FieldOperand(ecx, SharedFunctionInfo::kFunctionDataOffset));
-  __ CmpObjectType(ecx, BYTECODE_ARRAY_TYPE, ecx);
-  __ j(not_equal, &old_generator);
-
-  // New-style (ignition/turbofan) generator object
-  {
-    __ PushReturnAddressFrom(eax);
-    __ mov(eax, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
-    __ mov(eax,
-         FieldOperand(ecx, SharedFunctionInfo::kFormalParameterCountOffset));
-    // We abuse new.target both to indicate that this is a resume call and to
-    // pass in the generator object.  In ordinary calls, new.target is always
-    // undefined because generator functions are non-constructable.
-    __ mov(edx, ebx);
-    __ jmp(FieldOperand(edi, JSFunction::kCodeEntryOffset));
-  }
-
-  // Old-style (full-codegen) generator object
-  __ bind(&old_generator);
-  {
-    // Enter a new JavaScript frame, and initialize its slots as they were when
-    // the generator was suspended.
-    FrameScope scope(masm, StackFrame::MANUAL);
-    __ PushReturnAddressFrom(eax);  // Return address.
-    __ Push(ebp);                   // Caller's frame pointer.
-    __ Move(ebp, esp);
-    __ Push(esi);  // Callee's context.
-    __ Push(edi);  // Callee's JS Function.
-
-    // Restore the operand stack.
-    __ mov(eax, FieldOperand(ebx, JSGeneratorObject::kOperandStackOffset));
-    {
-      Label done_loop, loop;
-      __ Move(ecx, Smi::FromInt(0));
-      __ bind(&loop);
-      __ cmp(ecx, FieldOperand(eax, FixedArray::kLengthOffset));
-      __ j(equal, &done_loop, Label::kNear);
-      __ Push(FieldOperand(eax, ecx, times_half_pointer_size,
-                           FixedArray::kHeaderSize));
-      __ add(ecx, Immediate(Smi::FromInt(1)));
-      __ jmp(&loop);
-      __ bind(&done_loop);
-    }
-
-    // Reset operand stack so we don't leak.
-    __ mov(FieldOperand(ebx, JSGeneratorObject::kOperandStackOffset),
-           Immediate(masm->isolate()->factory()->empty_fixed_array()));
-
-    // Resume the generator function at the continuation.
-    __ mov(edx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
-    __ mov(edx, FieldOperand(edx, SharedFunctionInfo::kCodeOffset));
-    __ mov(ecx, FieldOperand(ebx, JSGeneratorObject::kContinuationOffset));
-    __ SmiUntag(ecx);
-    __ lea(edx, FieldOperand(edx, ecx, times_1, Code::kHeaderSize));
-    __ mov(FieldOperand(ebx, JSGeneratorObject::kContinuationOffset),
-           Immediate(Smi::FromInt(JSGeneratorObject::kGeneratorExecuting)));
-    __ mov(eax, ebx);  // Continuation expects generator object in eax.
-    __ jmp(edx);
-  }
-
-  __ bind(&prepare_step_in_if_stepping);
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
-    __ Push(ebx);
-    __ Push(edx);
-    __ Push(edi);
-    __ CallRuntime(Runtime::kDebugPrepareStepInIfStepping);
-    __ Pop(edx);
-    __ Pop(ebx);
-    __ mov(edi, FieldOperand(ebx, JSGeneratorObject::kFunctionOffset));
-  }
-  __ jmp(&stepping_prepared);
-
-  __ bind(&prepare_step_in_suspended_generator);
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
-    __ Push(ebx);
-    __ Push(edx);
-    __ CallRuntime(Runtime::kDebugPrepareStepInSuspendedGenerator);
-    __ Pop(edx);
-    __ Pop(ebx);
-    __ mov(edi, FieldOperand(ebx, JSGeneratorObject::kFunctionOffset));
-  }
-  __ jmp(&stepping_prepared);
-}
-
-static void LeaveInterpreterFrame(MacroAssembler* masm, Register scratch1,
-                                  Register scratch2) {
-  Register args_count = scratch1;
-  Register return_pc = scratch2;
-
-  // Get the arguments + reciever count.
-  __ mov(args_count,
-         Operand(ebp, InterpreterFrameConstants::kBytecodeArrayFromFp));
-  __ mov(args_count,
-         FieldOperand(args_count, BytecodeArray::kParameterSizeOffset));
-
-  // Leave the frame (also dropping the register file).
-  __ leave();
-
-  // Drop receiver + arguments.
-  __ pop(return_pc);
-  __ add(esp, args_count);
-  __ push(return_pc);
-}
-
-// Generate code for entering a JS function with the interpreter.
-// On entry to the function the receiver and arguments have been pushed on the
-// stack left to right.  The actual argument count matches the formal parameter
-// count expected by the function.
-//
-// The live registers are:
-//   o edi: the JS function object being called
-//   o edx: the new target
-//   o esi: our context
-//   o ebp: the caller's frame pointer
-//   o esp: stack pointer (pointing to return address)
-//
-// The function builds an interpreter frame.  See InterpreterFrameConstants in
-// frames.h for its layout.
-void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
-  ProfileEntryHookStub::MaybeCallEntryHook(masm);
-
-  // Open a frame scope to indicate that there is a frame on the stack.  The
-  // MANUAL indicates that the scope shouldn't actually generate code to set up
-  // the frame (that is done below).
-  FrameScope frame_scope(masm, StackFrame::MANUAL);
-  __ push(ebp);  // Caller's frame pointer.
-  __ mov(ebp, esp);
-  __ push(esi);  // Callee's context.
-  __ push(edi);  // Callee's JS function.
-  __ push(edx);  // Callee's new target.
-
-  // Get the bytecode array from the function object (or from the DebugInfo if
-  // it is present) and load it into kInterpreterBytecodeArrayRegister.
-  __ mov(eax, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
-  Label load_debug_bytecode_array, bytecode_array_loaded;
-  __ cmp(FieldOperand(eax, SharedFunctionInfo::kDebugInfoOffset),
-         Immediate(DebugInfo::uninitialized()));
-  __ j(not_equal, &load_debug_bytecode_array);
-  __ mov(kInterpreterBytecodeArrayRegister,
-         FieldOperand(eax, SharedFunctionInfo::kFunctionDataOffset));
-  __ bind(&bytecode_array_loaded);
-
-  // Check function data field is actually a BytecodeArray object.
-  Label bytecode_array_not_present;
-  __ CompareRoot(kInterpreterBytecodeArrayRegister,
-                 Heap::kUndefinedValueRootIndex);
-  __ j(equal, &bytecode_array_not_present);
-  if (FLAG_debug_code) {
-    __ AssertNotSmi(kInterpreterBytecodeArrayRegister);
-    __ CmpObjectType(kInterpreterBytecodeArrayRegister, BYTECODE_ARRAY_TYPE,
-                     eax);
-    __ Assert(equal, kFunctionDataShouldBeBytecodeArrayOnInterpreterEntry);
-  }
-
-  // Push bytecode array.
-  __ push(kInterpreterBytecodeArrayRegister);
-  // Push Smi tagged initial bytecode array offset.
-  __ push(Immediate(Smi::FromInt(BytecodeArray::kHeaderSize - kHeapObjectTag)));
-
-  // Allocate the local and temporary register file on the stack.
-  {
-    // Load frame size from the BytecodeArray object.
-    __ mov(ebx, FieldOperand(kInterpreterBytecodeArrayRegister,
-                             BytecodeArray::kFrameSizeOffset));
-
-    // Do a stack check to ensure we don't go over the limit.
-    Label ok;
-    __ mov(ecx, esp);
-    __ sub(ecx, ebx);
-    ExternalReference stack_limit =
-        ExternalReference::address_of_real_stack_limit(masm->isolate());
-    __ cmp(ecx, Operand::StaticVariable(stack_limit));
-    __ j(above_equal, &ok);
-    __ CallRuntime(Runtime::kThrowStackOverflow);
-    __ bind(&ok);
-
-    // If ok, push undefined as the initial value for all register file entries.
-    Label loop_header;
-    Label loop_check;
-    __ mov(eax, Immediate(masm->isolate()->factory()->undefined_value()));
-    __ jmp(&loop_check);
-    __ bind(&loop_header);
-    // TODO(rmcilroy): Consider doing more than one push per loop iteration.
-    __ push(eax);
-    // Continue loop if not done.
-    __ bind(&loop_check);
-    __ sub(ebx, Immediate(kPointerSize));
-    __ j(greater_equal, &loop_header);
-  }
-
-  // Load accumulator, bytecode offset and dispatch table into registers.
-  __ LoadRoot(kInterpreterAccumulatorRegister, Heap::kUndefinedValueRootIndex);
-  __ mov(kInterpreterBytecodeOffsetRegister,
-         Immediate(BytecodeArray::kHeaderSize - kHeapObjectTag));
-  __ mov(kInterpreterDispatchTableRegister,
-         Immediate(ExternalReference::interpreter_dispatch_table_address(
-             masm->isolate())));
-
-  // Dispatch to the first bytecode handler for the function.
-  __ movzx_b(ebx, Operand(kInterpreterBytecodeArrayRegister,
-                          kInterpreterBytecodeOffsetRegister, times_1, 0));
-  __ mov(ebx, Operand(kInterpreterDispatchTableRegister, ebx,
-                      times_pointer_size, 0));
-  __ call(ebx);
-  masm->isolate()->heap()->SetInterpreterEntryReturnPCOffset(masm->pc_offset());
-
-  // The return value is in eax.
-  LeaveInterpreterFrame(masm, ebx, ecx);
-  __ ret(0);
-
-  // Load debug copy of the bytecode array.
-  __ bind(&load_debug_bytecode_array);
-  Register debug_info = kInterpreterBytecodeArrayRegister;
-  __ mov(debug_info, FieldOperand(eax, SharedFunctionInfo::kDebugInfoOffset));
-  __ mov(kInterpreterBytecodeArrayRegister,
-         FieldOperand(debug_info, DebugInfo::kAbstractCodeIndex));
-  __ jmp(&bytecode_array_loaded);
-
-  // If the bytecode array is no longer present, then the underlying function
-  // has been switched to a different kind of code and we heal the closure by
-  // switching the code entry field over to the new code object as well.
-  __ bind(&bytecode_array_not_present);
-  __ pop(edx);  // Callee's new target.
-  __ pop(edi);  // Callee's JS function.
-  __ pop(esi);  // Callee's context.
-  __ leave();   // Leave the frame so we can tail call.
-  __ mov(ecx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
-  __ mov(ecx, FieldOperand(ecx, SharedFunctionInfo::kCodeOffset));
-  __ lea(ecx, FieldOperand(ecx, Code::kHeaderSize));
-  __ mov(FieldOperand(edi, JSFunction::kCodeEntryOffset), ecx);
-  __ RecordWriteCodeEntryField(edi, ecx, ebx);
-  __ jmp(ecx);
-}
-
-void Builtins::Generate_InterpreterMarkBaselineOnReturn(MacroAssembler* masm) {
-  // Save the function and context for call to CompileBaseline.
-  __ mov(edi, Operand(ebp, StandardFrameConstants::kFunctionOffset));
-  __ mov(kContextRegister,
-         Operand(ebp, StandardFrameConstants::kContextOffset));
-
-  // Leave the frame before recompiling for baseline so that we don't count as
-  // an activation on the stack.
-  LeaveInterpreterFrame(masm, ebx, ecx);
-
-  {
-    FrameScope frame_scope(masm, StackFrame::INTERNAL);
-    // Push return value.
-    __ push(eax);
-
-    // Push function as argument and compile for baseline.
-    __ push(edi);
-    __ CallRuntime(Runtime::kCompileBaseline);
-
-    // Restore return value.
-    __ pop(eax);
-  }
-  __ ret(0);
-}
-
-static void Generate_InterpreterPushArgs(MacroAssembler* masm,
-                                         Register array_limit) {
-  // ----------- S t a t e -------------
-  //  -- ebx : Pointer to the last argument in the args array.
-  //  -- array_limit : Pointer to one before the first argument in the
-  //                   args array.
-  // -----------------------------------
-  Label loop_header, loop_check;
-  __ jmp(&loop_check);
-  __ bind(&loop_header);
-  __ Push(Operand(ebx, 0));
-  __ sub(ebx, Immediate(kPointerSize));
-  __ bind(&loop_check);
-  __ cmp(ebx, array_limit);
-  __ j(greater, &loop_header, Label::kNear);
-}
-
-// static
-void Builtins::Generate_InterpreterPushArgsAndCallImpl(
-    MacroAssembler* masm, TailCallMode tail_call_mode,
-    CallableType function_type) {
-  // ----------- S t a t e -------------
-  //  -- eax : the number of arguments (not including the receiver)
-  //  -- ebx : the address of the first argument to be pushed. Subsequent
-  //           arguments should be consecutive above this, in the same order as
-  //           they are to be pushed onto the stack.
-  //  -- edi : the target to call (can be any Object).
-  // -----------------------------------
-
-  // Pop return address to allow tail-call after pushing arguments.
-  __ Pop(edx);
-
-  // Find the address of the last argument.
-  __ mov(ecx, eax);
-  __ add(ecx, Immediate(1));  // Add one for receiver.
-  __ shl(ecx, kPointerSizeLog2);
-  __ neg(ecx);
-  __ add(ecx, ebx);
-
-  Generate_InterpreterPushArgs(masm, ecx);
-
-  // Call the target.
-  __ Push(edx);  // Re-push return address.
-
-  if (function_type == CallableType::kJSFunction) {
-    __ Jump(masm->isolate()->builtins()->CallFunction(ConvertReceiverMode::kAny,
-                                                      tail_call_mode),
-            RelocInfo::CODE_TARGET);
-  } else {
-    DCHECK_EQ(function_type, CallableType::kAny);
-    __ Jump(masm->isolate()->builtins()->Call(ConvertReceiverMode::kAny,
-                                              tail_call_mode),
-            RelocInfo::CODE_TARGET);
-  }
-}
-
-
-// static
-void Builtins::Generate_InterpreterPushArgsAndConstruct(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax : the number of arguments (not including the receiver)
-  //  -- edx : the new target
-  //  -- edi : the constructor
-  //  -- ebx : the address of the first argument to be pushed. Subsequent
-  //           arguments should be consecutive above this, in the same order as
-  //           they are to be pushed onto the stack.
-  // -----------------------------------
-
-  // Pop return address to allow tail-call after pushing arguments.
-  __ Pop(ecx);
-
-  // Push edi in the slot meant for receiver. We need an extra register
-  // so store edi temporarily on stack.
-  __ Push(edi);
-
-  // Find the address of the last argument.
-  __ mov(edi, eax);
-  __ neg(edi);
-  __ shl(edi, kPointerSizeLog2);
-  __ add(edi, ebx);
-
-  Generate_InterpreterPushArgs(masm, edi);
-
-  // Restore the constructor from slot on stack. It was pushed at the slot
-  // meant for receiver.
-  __ mov(edi, Operand(esp, eax, times_pointer_size, 0));
-
-  // Re-push return address.
-  __ Push(ecx);
-
-  // Call the constructor with unmodified eax, edi, ebi values.
-  __ Jump(masm->isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET);
-}
-
-void Builtins::Generate_InterpreterEnterBytecodeDispatch(MacroAssembler* masm) {
-  // Set the return address to the correct point in the interpreter entry
-  // trampoline.
-  Smi* interpreter_entry_return_pc_offset(
-      masm->isolate()->heap()->interpreter_entry_return_pc_offset());
-  DCHECK_NE(interpreter_entry_return_pc_offset, Smi::FromInt(0));
-  __ LoadHeapObject(ebx,
-                    masm->isolate()->builtins()->InterpreterEntryTrampoline());
-  __ add(ebx, Immediate(interpreter_entry_return_pc_offset->value() +
-                        Code::kHeaderSize - kHeapObjectTag));
-  __ push(ebx);
-
-  // Initialize the dispatch table register.
-  __ mov(kInterpreterDispatchTableRegister,
-         Immediate(ExternalReference::interpreter_dispatch_table_address(
-             masm->isolate())));
-
-  // Get the bytecode array pointer from the frame.
-  __ mov(kInterpreterBytecodeArrayRegister,
-         Operand(ebp, InterpreterFrameConstants::kBytecodeArrayFromFp));
-
-  if (FLAG_debug_code) {
-    // Check function data field is actually a BytecodeArray object.
-    __ AssertNotSmi(kInterpreterBytecodeArrayRegister);
-    __ CmpObjectType(kInterpreterBytecodeArrayRegister, BYTECODE_ARRAY_TYPE,
-                     ebx);
-    __ Assert(equal, kFunctionDataShouldBeBytecodeArrayOnInterpreterEntry);
-  }
-
-  // Get the target bytecode offset from the frame.
-  __ mov(kInterpreterBytecodeOffsetRegister,
-         Operand(ebp, InterpreterFrameConstants::kBytecodeOffsetFromFp));
-  __ SmiUntag(kInterpreterBytecodeOffsetRegister);
-
-  // Dispatch to the target bytecode.
-  __ movzx_b(ebx, Operand(kInterpreterBytecodeArrayRegister,
-                          kInterpreterBytecodeOffsetRegister, times_1, 0));
-  __ mov(ebx, Operand(kInterpreterDispatchTableRegister, ebx,
-                      times_pointer_size, 0));
-  __ jmp(ebx);
-}
-
-void Builtins::Generate_CompileLazy(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax : argument count (preserved for callee)
-  //  -- edx : new target (preserved for callee)
-  //  -- edi : target function (preserved for callee)
-  // -----------------------------------
-  // First lookup code, maybe we don't need to compile!
-  Label gotta_call_runtime, gotta_call_runtime_no_stack;
-  Label maybe_call_runtime;
-  Label try_shared;
-  Label loop_top, loop_bottom;
-
-  Register closure = edi;
-  Register new_target = edx;
-  Register argument_count = eax;
-
-  __ push(argument_count);
-  __ push(new_target);
-  __ push(closure);
-
-  Register map = argument_count;
-  Register index = ebx;
-  __ mov(map, FieldOperand(closure, JSFunction::kSharedFunctionInfoOffset));
-  __ mov(map, FieldOperand(map, SharedFunctionInfo::kOptimizedCodeMapOffset));
-  __ mov(index, FieldOperand(map, FixedArray::kLengthOffset));
-  __ cmp(index, Immediate(Smi::FromInt(2)));
-  __ j(less, &gotta_call_runtime);
-
-  // Find literals.
-  // edx : native context
-  // ebx : length / index
-  // eax : optimized code map
-  // stack[0] : new target
-  // stack[4] : closure
-  Register native_context = edx;
-  __ mov(native_context, NativeContextOperand());
-
-  __ bind(&loop_top);
-  Register temp = edi;
-
-  // Does the native context match?
-  __ mov(temp, FieldOperand(map, index, times_half_pointer_size,
-                            SharedFunctionInfo::kOffsetToPreviousContext));
-  __ mov(temp, FieldOperand(temp, WeakCell::kValueOffset));
-  __ cmp(temp, native_context);
-  __ j(not_equal, &loop_bottom);
-  // OSR id set to none?
-  __ mov(temp, FieldOperand(map, index, times_half_pointer_size,
-                            SharedFunctionInfo::kOffsetToPreviousOsrAstId));
-  const int bailout_id = BailoutId::None().ToInt();
-  __ cmp(temp, Immediate(Smi::FromInt(bailout_id)));
-  __ j(not_equal, &loop_bottom);
-
-  // Literals available?
-  Label got_literals, maybe_cleared_weakcell;
-  __ mov(temp, FieldOperand(map, index, times_half_pointer_size,
-                            SharedFunctionInfo::kOffsetToPreviousLiterals));
-
-  // temp contains either a WeakCell pointing to the literals array or the
-  // literals array directly.
-  STATIC_ASSERT(WeakCell::kValueOffset == FixedArray::kLengthOffset);
-  __ JumpIfSmi(FieldOperand(temp, WeakCell::kValueOffset),
-               &maybe_cleared_weakcell);
-  // The WeakCell value is a pointer, therefore it's a valid literals array.
-  __ mov(temp, FieldOperand(temp, WeakCell::kValueOffset));
-  __ jmp(&got_literals);
-
-  // We have a smi. If it's 0, then we are looking at a cleared WeakCell
-  // around the literals array, and we should visit the runtime. If it's > 0,
-  // then temp already contains the literals array.
-  __ bind(&maybe_cleared_weakcell);
-  __ cmp(FieldOperand(temp, WeakCell::kValueOffset), Immediate(0));
-  __ j(equal, &gotta_call_runtime);
-
-  // Save the literals in the closure.
-  __ bind(&got_literals);
-  __ mov(ecx, Operand(esp, 0));
-  __ mov(FieldOperand(ecx, JSFunction::kLiteralsOffset), temp);
-  __ push(index);
-  __ RecordWriteField(ecx, JSFunction::kLiteralsOffset, temp, index,
-                      kDontSaveFPRegs, EMIT_REMEMBERED_SET, OMIT_SMI_CHECK);
-  __ pop(index);
-
-  // Code available?
-  Register entry = ecx;
-  __ mov(entry, FieldOperand(map, index, times_half_pointer_size,
-                             SharedFunctionInfo::kOffsetToPreviousCachedCode));
-  __ mov(entry, FieldOperand(entry, WeakCell::kValueOffset));
-  __ JumpIfSmi(entry, &maybe_call_runtime);
-
-  // Found literals and code. Get them into the closure and return.
-  __ pop(closure);
-  // Store code entry in the closure.
-  __ lea(entry, FieldOperand(entry, Code::kHeaderSize));
-
-  Label install_optimized_code_and_tailcall;
-  __ bind(&install_optimized_code_and_tailcall);
-  __ mov(FieldOperand(closure, JSFunction::kCodeEntryOffset), entry);
-  __ RecordWriteCodeEntryField(closure, entry, eax);
-
-  // Link the closure into the optimized function list.
-  // ecx : code entry
-  // edx : native context
-  // edi : closure
-  __ mov(ebx,
-         ContextOperand(native_context, Context::OPTIMIZED_FUNCTIONS_LIST));
-  __ mov(FieldOperand(closure, JSFunction::kNextFunctionLinkOffset), ebx);
-  __ RecordWriteField(closure, JSFunction::kNextFunctionLinkOffset, ebx, eax,
-                      kDontSaveFPRegs, EMIT_REMEMBERED_SET, OMIT_SMI_CHECK);
-  const int function_list_offset =
-      Context::SlotOffset(Context::OPTIMIZED_FUNCTIONS_LIST);
-  __ mov(ContextOperand(native_context, Context::OPTIMIZED_FUNCTIONS_LIST),
-         closure);
-  // Save closure before the write barrier.
-  __ mov(ebx, closure);
-  __ RecordWriteContextSlot(native_context, function_list_offset, closure, eax,
-                            kDontSaveFPRegs);
-  __ mov(closure, ebx);
-  __ pop(new_target);
-  __ pop(argument_count);
-  __ jmp(entry);
-
-  __ bind(&loop_bottom);
-  __ sub(index, Immediate(Smi::FromInt(SharedFunctionInfo::kEntryLength)));
-  __ cmp(index, Immediate(Smi::FromInt(1)));
-  __ j(greater, &loop_top);
-
-  // We found neither literals nor code.
-  __ jmp(&gotta_call_runtime);
-
-  __ bind(&maybe_call_runtime);
-  __ pop(closure);
-
-  // Last possibility. Check the context free optimized code map entry.
-  __ mov(entry, FieldOperand(map, FixedArray::kHeaderSize +
-                                      SharedFunctionInfo::kSharedCodeIndex));
-  __ mov(entry, FieldOperand(entry, WeakCell::kValueOffset));
-  __ JumpIfSmi(entry, &try_shared);
-
-  // Store code entry in the closure.
-  __ lea(entry, FieldOperand(entry, Code::kHeaderSize));
-  __ jmp(&install_optimized_code_and_tailcall);
-
-  __ bind(&try_shared);
-  __ pop(new_target);
-  __ pop(argument_count);
-  // Is the full code valid?
-  __ mov(entry, FieldOperand(closure, JSFunction::kSharedFunctionInfoOffset));
-  __ mov(entry, FieldOperand(entry, SharedFunctionInfo::kCodeOffset));
-  __ mov(ebx, FieldOperand(entry, Code::kFlagsOffset));
-  __ and_(ebx, Code::KindField::kMask);
-  __ shr(ebx, Code::KindField::kShift);
-  __ cmp(ebx, Immediate(Code::BUILTIN));
-  __ j(equal, &gotta_call_runtime_no_stack);
-  // Yes, install the full code.
-  __ lea(entry, FieldOperand(entry, Code::kHeaderSize));
-  __ mov(FieldOperand(closure, JSFunction::kCodeEntryOffset), entry);
-  __ RecordWriteCodeEntryField(closure, entry, ebx);
-  __ jmp(entry);
-
-  __ bind(&gotta_call_runtime);
-  __ pop(closure);
-  __ pop(new_target);
-  __ pop(argument_count);
-  __ bind(&gotta_call_runtime_no_stack);
-
-  GenerateTailCallToReturnedCode(masm, Runtime::kCompileLazy);
-}
-
-void Builtins::Generate_CompileBaseline(MacroAssembler* masm) {
-  GenerateTailCallToReturnedCode(masm, Runtime::kCompileBaseline);
-}
-
-void Builtins::Generate_CompileOptimized(MacroAssembler* masm) {
-  GenerateTailCallToReturnedCode(masm,
-                                 Runtime::kCompileOptimized_NotConcurrent);
-}
-
-
-void Builtins::Generate_CompileOptimizedConcurrent(MacroAssembler* masm) {
-  GenerateTailCallToReturnedCode(masm, Runtime::kCompileOptimized_Concurrent);
-}
-
-void Builtins::Generate_InstantiateAsmJs(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax : argument count (preserved for callee)
-  //  -- edx : new target (preserved for callee)
-  //  -- edi : target function (preserved for callee)
-  // -----------------------------------
-  Label failed;
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
-    // Push the number of arguments to the callee.
-    __ SmiTag(eax);
-    __ push(eax);
-    // Push a copy of the target function and the new target.
-    __ push(edi);
-    __ push(edx);
-
-    // The function.
-    __ push(edi);
-    // Copy arguments from caller (stdlib, foreign, heap).
-    for (int i = 2; i >= 0; --i) {
-      __ push(Operand(
-          ebp, StandardFrameConstants::kCallerSPOffset + i * kPointerSize));
-    }
-    // Call runtime, on success unwind frame, and parent frame.
-    __ CallRuntime(Runtime::kInstantiateAsmJs, 4);
-    // A smi 0 is returned on failure, an object on success.
-    __ JumpIfSmi(eax, &failed, Label::kNear);
-    scope.GenerateLeaveFrame();
-    __ ret(4 * kPointerSize);
-
-    __ bind(&failed);
-    // Restore target function and new target.
-    __ pop(edx);
-    __ pop(edi);
-    __ pop(eax);
-    __ SmiUntag(eax);
-  }
-  // On failure, tail call back to regular js.
-  GenerateTailCallToReturnedCode(masm, Runtime::kCompileLazy);
-}
-
-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
-  // worrying about which of them contain pointers. We also don't build an
-  // internal frame to make the code faster, since we shouldn't have to do stack
-  // crawls in MakeCodeYoung. This seems a bit fragile.
-
-  // Re-execute the code that was patched back to the young age when
-  // the stub returns.
-  __ sub(Operand(esp, 0), Immediate(5));
-  __ pushad();
-  __ mov(eax, Operand(esp, 8 * kPointerSize));
-  {
-    FrameScope scope(masm, StackFrame::MANUAL);
-    __ PrepareCallCFunction(2, ebx);
-    __ mov(Operand(esp, 1 * kPointerSize),
-           Immediate(ExternalReference::isolate_address(masm->isolate())));
-    __ mov(Operand(esp, 0), eax);
-    __ CallCFunction(
-        ExternalReference::get_make_code_young_function(masm->isolate()), 2);
-  }
-  __ popad();
-  __ ret(0);
-}
-
-#define DEFINE_CODE_AGE_BUILTIN_GENERATOR(C)                 \
-void Builtins::Generate_Make##C##CodeYoungAgainEvenMarking(  \
-    MacroAssembler* masm) {                                  \
-  GenerateMakeCodeYoungAgainCommon(masm);                    \
-}                                                            \
-void Builtins::Generate_Make##C##CodeYoungAgainOddMarking(   \
-    MacroAssembler* masm) {                                  \
-  GenerateMakeCodeYoungAgainCommon(masm);                    \
-}
-CODE_AGE_LIST(DEFINE_CODE_AGE_BUILTIN_GENERATOR)
-#undef DEFINE_CODE_AGE_BUILTIN_GENERATOR
-
-
-void Builtins::Generate_MarkCodeAsExecutedOnce(MacroAssembler* masm) {
-  // For now, as in GenerateMakeCodeYoungAgainCommon, 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 worrying about which of them contain
-  // pointers.
-  __ pushad();
-  __ mov(eax, Operand(esp, 8 * kPointerSize));
-  __ sub(eax, Immediate(Assembler::kCallInstructionLength));
-  {  // NOLINT
-    FrameScope scope(masm, StackFrame::MANUAL);
-    __ PrepareCallCFunction(2, ebx);
-    __ mov(Operand(esp, 1 * kPointerSize),
-           Immediate(ExternalReference::isolate_address(masm->isolate())));
-    __ mov(Operand(esp, 0), eax);
-    __ CallCFunction(
-        ExternalReference::get_mark_code_as_executed_function(masm->isolate()),
-        2);
-  }
-  __ popad();
-
-  // Perform prologue operations usually performed by the young code stub.
-  __ pop(eax);   // Pop return address into scratch register.
-  __ push(ebp);  // Caller's frame pointer.
-  __ mov(ebp, esp);
-  __ push(esi);  // Callee's context.
-  __ push(edi);  // Callee's JS Function.
-  __ push(eax);  // Push return address after frame prologue.
-
-  // Jump to point after the code-age stub.
-  __ ret(0);
-}
-
-
-void Builtins::Generate_MarkCodeAsExecutedTwice(MacroAssembler* masm) {
-  GenerateMakeCodeYoungAgainCommon(masm);
-}
-
-
-void Builtins::Generate_MarkCodeAsToBeExecutedOnce(MacroAssembler* masm) {
-  Generate_MarkCodeAsExecutedOnce(masm);
-}
-
-
-static void Generate_NotifyStubFailureHelper(MacroAssembler* masm,
-                                             SaveFPRegsMode save_doubles) {
-  // Enter an internal frame.
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
-
-    // Preserve registers across notification, this is important for compiled
-    // stubs that tail call the runtime on deopts passing their parameters in
-    // registers.
-    __ pushad();
-    __ CallRuntime(Runtime::kNotifyStubFailure, save_doubles);
-    __ popad();
-    // Tear down internal frame.
-  }
-
-  __ pop(MemOperand(esp, 0));  // Ignore state offset
-  __ ret(0);  // Return to IC Miss stub, continuation still on stack.
-}
-
-
-void Builtins::Generate_NotifyStubFailure(MacroAssembler* masm) {
-  Generate_NotifyStubFailureHelper(masm, kDontSaveFPRegs);
-}
-
-
-void Builtins::Generate_NotifyStubFailureSaveDoubles(MacroAssembler* masm) {
-  Generate_NotifyStubFailureHelper(masm, kSaveFPRegs);
-}
-
-
-static void Generate_NotifyDeoptimizedHelper(MacroAssembler* masm,
-                                             Deoptimizer::BailoutType type) {
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
-
-    // Pass deoptimization type to the runtime system.
-    __ push(Immediate(Smi::FromInt(static_cast<int>(type))));
-    __ CallRuntime(Runtime::kNotifyDeoptimized);
-
-    // Tear down internal frame.
-  }
-
-  // Get the full codegen state from the stack and untag it.
-  __ mov(ecx, Operand(esp, 1 * kPointerSize));
-  __ SmiUntag(ecx);
-
-  // Switch on the state.
-  Label not_no_registers, not_tos_eax;
-  __ cmp(ecx, static_cast<int>(Deoptimizer::BailoutState::NO_REGISTERS));
-  __ j(not_equal, &not_no_registers, Label::kNear);
-  __ ret(1 * kPointerSize);  // Remove state.
-
-  __ bind(&not_no_registers);
-  DCHECK_EQ(kInterpreterAccumulatorRegister.code(), eax.code());
-  __ mov(eax, Operand(esp, 2 * kPointerSize));
-  __ cmp(ecx, static_cast<int>(Deoptimizer::BailoutState::TOS_REGISTER));
-  __ j(not_equal, &not_tos_eax, Label::kNear);
-  __ ret(2 * kPointerSize);  // Remove state, eax.
-
-  __ bind(&not_tos_eax);
-  __ Abort(kNoCasesLeft);
-}
-
-
-void Builtins::Generate_NotifyDeoptimized(MacroAssembler* masm) {
-  Generate_NotifyDeoptimizedHelper(masm, Deoptimizer::EAGER);
-}
-
-
-void Builtins::Generate_NotifySoftDeoptimized(MacroAssembler* masm) {
-  Generate_NotifyDeoptimizedHelper(masm, Deoptimizer::SOFT);
-}
-
-
-void Builtins::Generate_NotifyLazyDeoptimized(MacroAssembler* masm) {
-  Generate_NotifyDeoptimizedHelper(masm, Deoptimizer::LAZY);
-}
-
-
-// static
-void Builtins::Generate_DatePrototype_GetField(MacroAssembler* masm,
-                                               int field_index) {
-  // ----------- S t a t e -------------
-  //  -- eax    : number of arguments
-  //  -- edi    : function
-  //  -- esi    : context
-  //  -- esp[0] : return address
-  //  -- esp[4] : receiver
-  // -----------------------------------
-
-  // 1. Load receiver into eax and check that it's actually a JSDate object.
-  Label receiver_not_date;
-  {
-    __ mov(eax, Operand(esp, kPointerSize));
-    __ JumpIfSmi(eax, &receiver_not_date);
-    __ CmpObjectType(eax, JS_DATE_TYPE, ebx);
-    __ j(not_equal, &receiver_not_date);
-  }
-
-  // 2. Load the specified date field, falling back to the runtime as necessary.
-  if (field_index == JSDate::kDateValue) {
-    __ mov(eax, FieldOperand(eax, JSDate::kValueOffset));
-  } else {
-    if (field_index < JSDate::kFirstUncachedField) {
-      Label stamp_mismatch;
-      __ mov(edx, Operand::StaticVariable(
-                      ExternalReference::date_cache_stamp(masm->isolate())));
-      __ cmp(edx, FieldOperand(eax, JSDate::kCacheStampOffset));
-      __ j(not_equal, &stamp_mismatch, Label::kNear);
-      __ mov(eax, FieldOperand(
-                      eax, JSDate::kValueOffset + field_index * kPointerSize));
-      __ ret(1 * kPointerSize);
-      __ bind(&stamp_mismatch);
-    }
-    FrameScope scope(masm, StackFrame::INTERNAL);
-    __ PrepareCallCFunction(2, ebx);
-    __ mov(Operand(esp, 0), eax);
-    __ mov(Operand(esp, 1 * kPointerSize),
-           Immediate(Smi::FromInt(field_index)));
-    __ CallCFunction(
-        ExternalReference::get_date_field_function(masm->isolate()), 2);
-  }
-  __ ret(1 * kPointerSize);
-
-  // 3. Raise a TypeError if the receiver is not a date.
-  __ bind(&receiver_not_date);
-  {
-    FrameScope scope(masm, StackFrame::MANUAL);
-    __ Move(ebx, Immediate(0));
-    __ EnterBuiltinFrame(esi, edi, ebx);
-    __ CallRuntime(Runtime::kThrowNotDateError);
-  }
-}
-
-// static
-void Builtins::Generate_FunctionPrototypeApply(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax     : argc
-  //  -- esp[0]  : return address
-  //  -- esp[4]  : argArray
-  //  -- esp[8]  : thisArg
-  //  -- esp[12] : receiver
-  // -----------------------------------
-
-  // 1. Load receiver into edi, argArray into eax (if present), remove all
-  // arguments from the stack (including the receiver), and push thisArg (if
-  // present) instead.
-  {
-    Label no_arg_array, no_this_arg;
-    __ LoadRoot(edx, Heap::kUndefinedValueRootIndex);
-    __ mov(ebx, edx);
-    __ mov(edi, Operand(esp, eax, times_pointer_size, kPointerSize));
-    __ test(eax, eax);
-    __ j(zero, &no_this_arg, Label::kNear);
-    {
-      __ mov(edx, Operand(esp, eax, times_pointer_size, 0));
-      __ cmp(eax, Immediate(1));
-      __ j(equal, &no_arg_array, Label::kNear);
-      __ mov(ebx, Operand(esp, eax, times_pointer_size, -kPointerSize));
-      __ bind(&no_arg_array);
-    }
-    __ bind(&no_this_arg);
-    __ PopReturnAddressTo(ecx);
-    __ lea(esp, Operand(esp, eax, times_pointer_size, kPointerSize));
-    __ Push(edx);
-    __ PushReturnAddressFrom(ecx);
-    __ Move(eax, ebx);
-  }
-
-  // ----------- S t a t e -------------
-  //  -- eax    : argArray
-  //  -- edi    : receiver
-  //  -- esp[0] : return address
-  //  -- esp[4] : thisArg
-  // -----------------------------------
-
-  // 2. Make sure the receiver is actually callable.
-  Label receiver_not_callable;
-  __ JumpIfSmi(edi, &receiver_not_callable, Label::kNear);
-  __ mov(ecx, FieldOperand(edi, HeapObject::kMapOffset));
-  __ test_b(FieldOperand(ecx, Map::kBitFieldOffset),
-            Immediate(1 << Map::kIsCallable));
-  __ j(zero, &receiver_not_callable, Label::kNear);
-
-  // 3. Tail call with no arguments if argArray is null or undefined.
-  Label no_arguments;
-  __ JumpIfRoot(eax, Heap::kNullValueRootIndex, &no_arguments, Label::kNear);
-  __ JumpIfRoot(eax, Heap::kUndefinedValueRootIndex, &no_arguments,
-                Label::kNear);
-
-  // 4a. Apply the receiver to the given argArray (passing undefined for
-  // new.target).
-  __ LoadRoot(edx, Heap::kUndefinedValueRootIndex);
-  __ Jump(masm->isolate()->builtins()->Apply(), RelocInfo::CODE_TARGET);
-
-  // 4b. The argArray is either null or undefined, so we tail call without any
-  // arguments to the receiver.
-  __ bind(&no_arguments);
-  {
-    __ Set(eax, 0);
-    __ Jump(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
-  }
-
-  // 4c. The receiver is not callable, throw an appropriate TypeError.
-  __ bind(&receiver_not_callable);
-  {
-    __ mov(Operand(esp, kPointerSize), edi);
-    __ TailCallRuntime(Runtime::kThrowApplyNonFunction);
-  }
-}
-
-
-// static
-void Builtins::Generate_FunctionPrototypeCall(MacroAssembler* masm) {
-  // Stack Layout:
-  // esp[0]           : Return address
-  // esp[8]           : Argument n
-  // esp[16]          : Argument n-1
-  //  ...
-  // esp[8 * n]       : Argument 1
-  // esp[8 * (n + 1)] : Receiver (callable to call)
-  //
-  // eax contains the number of arguments, n, not counting the receiver.
-  //
-  // 1. Make sure we have at least one argument.
-  {
-    Label done;
-    __ test(eax, eax);
-    __ j(not_zero, &done, Label::kNear);
-    __ PopReturnAddressTo(ebx);
-    __ PushRoot(Heap::kUndefinedValueRootIndex);
-    __ PushReturnAddressFrom(ebx);
-    __ inc(eax);
-    __ bind(&done);
-  }
-
-  // 2. Get the callable to call (passed as receiver) from the stack.
-  __ mov(edi, Operand(esp, eax, times_pointer_size, kPointerSize));
-
-  // 3. Shift arguments and return address one slot down on the stack
-  //    (overwriting the original receiver).  Adjust argument count to make
-  //    the original first argument the new receiver.
-  {
-    Label loop;
-    __ mov(ecx, eax);
-    __ bind(&loop);
-    __ mov(ebx, Operand(esp, ecx, times_pointer_size, 0));
-    __ mov(Operand(esp, ecx, times_pointer_size, kPointerSize), ebx);
-    __ dec(ecx);
-    __ j(not_sign, &loop);  // While non-negative (to copy return address).
-    __ pop(ebx);            // Discard copy of return address.
-    __ dec(eax);  // One fewer argument (first argument is new receiver).
-  }
-
-  // 4. Call the callable.
-  __ Jump(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
-}
-
-
-void Builtins::Generate_ReflectApply(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax     : argc
-  //  -- esp[0]  : return address
-  //  -- esp[4]  : argumentsList
-  //  -- esp[8]  : thisArgument
-  //  -- esp[12] : target
-  //  -- esp[16] : receiver
-  // -----------------------------------
-
-  // 1. Load target into edi (if present), argumentsList into eax (if present),
-  // remove all arguments from the stack (including the receiver), and push
-  // thisArgument (if present) instead.
-  {
-    Label done;
-    __ LoadRoot(edi, Heap::kUndefinedValueRootIndex);
-    __ mov(edx, edi);
-    __ mov(ebx, edi);
-    __ cmp(eax, Immediate(1));
-    __ j(below, &done, Label::kNear);
-    __ mov(edi, Operand(esp, eax, times_pointer_size, -0 * kPointerSize));
-    __ j(equal, &done, Label::kNear);
-    __ mov(edx, Operand(esp, eax, times_pointer_size, -1 * kPointerSize));
-    __ cmp(eax, Immediate(3));
-    __ j(below, &done, Label::kNear);
-    __ mov(ebx, Operand(esp, eax, times_pointer_size, -2 * kPointerSize));
-    __ bind(&done);
-    __ PopReturnAddressTo(ecx);
-    __ lea(esp, Operand(esp, eax, times_pointer_size, kPointerSize));
-    __ Push(edx);
-    __ PushReturnAddressFrom(ecx);
-    __ Move(eax, ebx);
-  }
-
-  // ----------- S t a t e -------------
-  //  -- eax    : argumentsList
-  //  -- edi    : target
-  //  -- esp[0] : return address
-  //  -- esp[4] : thisArgument
-  // -----------------------------------
-
-  // 2. Make sure the target is actually callable.
-  Label target_not_callable;
-  __ JumpIfSmi(edi, &target_not_callable, Label::kNear);
-  __ mov(ecx, FieldOperand(edi, HeapObject::kMapOffset));
-  __ test_b(FieldOperand(ecx, Map::kBitFieldOffset),
-            Immediate(1 << Map::kIsCallable));
-  __ j(zero, &target_not_callable, Label::kNear);
-
-  // 3a. Apply the target to the given argumentsList (passing undefined for
-  // new.target).
-  __ LoadRoot(edx, Heap::kUndefinedValueRootIndex);
-  __ Jump(masm->isolate()->builtins()->Apply(), RelocInfo::CODE_TARGET);
-
-  // 3b. The target is not callable, throw an appropriate TypeError.
-  __ bind(&target_not_callable);
-  {
-    __ mov(Operand(esp, kPointerSize), edi);
-    __ TailCallRuntime(Runtime::kThrowApplyNonFunction);
-  }
-}
-
-void Builtins::Generate_ReflectConstruct(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax     : argc
-  //  -- esp[0]  : return address
-  //  -- esp[4]  : new.target (optional)
-  //  -- esp[8]  : argumentsList
-  //  -- esp[12] : target
-  //  -- esp[16] : receiver
-  // -----------------------------------
-
-  // 1. Load target into edi (if present), argumentsList into eax (if present),
-  // new.target into edx (if present, otherwise use target), remove all
-  // arguments from the stack (including the receiver), and push thisArgument
-  // (if present) instead.
-  {
-    Label done;
-    __ LoadRoot(edi, Heap::kUndefinedValueRootIndex);
-    __ mov(edx, edi);
-    __ mov(ebx, edi);
-    __ cmp(eax, Immediate(1));
-    __ j(below, &done, Label::kNear);
-    __ mov(edi, Operand(esp, eax, times_pointer_size, -0 * kPointerSize));
-    __ mov(edx, edi);
-    __ j(equal, &done, Label::kNear);
-    __ mov(ebx, Operand(esp, eax, times_pointer_size, -1 * kPointerSize));
-    __ cmp(eax, Immediate(3));
-    __ j(below, &done, Label::kNear);
-    __ mov(edx, Operand(esp, eax, times_pointer_size, -2 * kPointerSize));
-    __ bind(&done);
-    __ PopReturnAddressTo(ecx);
-    __ lea(esp, Operand(esp, eax, times_pointer_size, kPointerSize));
-    __ PushRoot(Heap::kUndefinedValueRootIndex);
-    __ PushReturnAddressFrom(ecx);
-    __ Move(eax, ebx);
-  }
-
-  // ----------- S t a t e -------------
-  //  -- eax    : argumentsList
-  //  -- edx    : new.target
-  //  -- edi    : target
-  //  -- esp[0] : return address
-  //  -- esp[4] : receiver (undefined)
-  // -----------------------------------
-
-  // 2. Make sure the target is actually a constructor.
-  Label target_not_constructor;
-  __ JumpIfSmi(edi, &target_not_constructor, Label::kNear);
-  __ mov(ecx, FieldOperand(edi, HeapObject::kMapOffset));
-  __ test_b(FieldOperand(ecx, Map::kBitFieldOffset),
-            Immediate(1 << Map::kIsConstructor));
-  __ j(zero, &target_not_constructor, Label::kNear);
-
-  // 3. Make sure the target is actually a constructor.
-  Label new_target_not_constructor;
-  __ JumpIfSmi(edx, &new_target_not_constructor, Label::kNear);
-  __ mov(ecx, FieldOperand(edx, HeapObject::kMapOffset));
-  __ test_b(FieldOperand(ecx, Map::kBitFieldOffset),
-            Immediate(1 << Map::kIsConstructor));
-  __ j(zero, &new_target_not_constructor, Label::kNear);
-
-  // 4a. Construct the target with the given new.target and argumentsList.
-  __ Jump(masm->isolate()->builtins()->Apply(), RelocInfo::CODE_TARGET);
-
-  // 4b. The target is not a constructor, throw an appropriate TypeError.
-  __ bind(&target_not_constructor);
-  {
-    __ mov(Operand(esp, kPointerSize), edi);
-    __ TailCallRuntime(Runtime::kThrowCalledNonCallable);
-  }
-
-  // 4c. The new.target is not a constructor, throw an appropriate TypeError.
-  __ bind(&new_target_not_constructor);
-  {
-    __ mov(Operand(esp, kPointerSize), edx);
-    __ TailCallRuntime(Runtime::kThrowCalledNonCallable);
-  }
-}
-
-
-void Builtins::Generate_InternalArrayCode(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax : argc
-  //  -- esp[0] : return address
-  //  -- esp[4] : last argument
-  // -----------------------------------
-  Label generic_array_code;
-
-  // Get the InternalArray function.
-  __ LoadGlobalFunction(Context::INTERNAL_ARRAY_FUNCTION_INDEX, edi);
-
-  if (FLAG_debug_code) {
-    // Initial map for the builtin InternalArray function should be a map.
-    __ mov(ebx, FieldOperand(edi, JSFunction::kPrototypeOrInitialMapOffset));
-    // Will both indicate a NULL and a Smi.
-    __ test(ebx, Immediate(kSmiTagMask));
-    __ Assert(not_zero, kUnexpectedInitialMapForInternalArrayFunction);
-    __ CmpObjectType(ebx, MAP_TYPE, ecx);
-    __ Assert(equal, kUnexpectedInitialMapForInternalArrayFunction);
-  }
-
-  // Run the native code for the InternalArray function called as a normal
-  // function.
-  // tail call a stub
-  InternalArrayConstructorStub stub(masm->isolate());
-  __ TailCallStub(&stub);
-}
-
-
-void Builtins::Generate_ArrayCode(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax : argc
-  //  -- esp[0] : return address
-  //  -- esp[4] : last argument
-  // -----------------------------------
-  Label generic_array_code;
-
-  // Get the Array function.
-  __ LoadGlobalFunction(Context::ARRAY_FUNCTION_INDEX, edi);
-  __ mov(edx, edi);
-
-  if (FLAG_debug_code) {
-    // Initial map for the builtin Array function should be a map.
-    __ mov(ebx, FieldOperand(edi, JSFunction::kPrototypeOrInitialMapOffset));
-    // Will both indicate a NULL and a Smi.
-    __ test(ebx, Immediate(kSmiTagMask));
-    __ Assert(not_zero, kUnexpectedInitialMapForArrayFunction);
-    __ CmpObjectType(ebx, MAP_TYPE, ecx);
-    __ Assert(equal, kUnexpectedInitialMapForArrayFunction);
-  }
-
-  // Run the native code for the Array function called as a normal function.
-  // tail call a stub
-  __ mov(ebx, masm->isolate()->factory()->undefined_value());
-  ArrayConstructorStub stub(masm->isolate());
-  __ TailCallStub(&stub);
-}
-
-
-// static
-void Builtins::Generate_MathMaxMin(MacroAssembler* masm, MathMaxMinKind kind) {
-  // ----------- S t a t e -------------
-  //  -- eax                 : number of arguments
-  //  -- edi                 : function
-  //  -- esi                 : context
-  //  -- esp[0]              : return address
-  //  -- esp[(argc - n) * 8] : arg[n] (zero-based)
-  //  -- esp[(argc + 1) * 8] : receiver
-  // -----------------------------------
-  Condition const cc = (kind == MathMaxMinKind::kMin) ? below : above;
-  Heap::RootListIndex const root_index =
-      (kind == MathMaxMinKind::kMin) ? Heap::kInfinityValueRootIndex
-                                     : Heap::kMinusInfinityValueRootIndex;
-  XMMRegister const reg = (kind == MathMaxMinKind::kMin) ? xmm1 : xmm0;
-
-  // Load the accumulator with the default return value (either -Infinity or
-  // +Infinity), with the tagged value in edx and the double value in xmm0.
-  __ LoadRoot(edx, root_index);
-  __ movsd(xmm0, FieldOperand(edx, HeapNumber::kValueOffset));
-  __ Move(ecx, eax);
-
-  Label done_loop, loop;
-  __ bind(&loop);
-  {
-    // Check if all parameters done.
-    __ test(ecx, ecx);
-    __ j(zero, &done_loop);
-
-    // Load the next parameter tagged value into ebx.
-    __ mov(ebx, Operand(esp, ecx, times_pointer_size, 0));
-
-    // Load the double value of the parameter into xmm1, maybe converting the
-    // parameter to a number first using the ToNumber builtin if necessary.
-    Label convert, convert_smi, convert_number, done_convert;
-    __ bind(&convert);
-    __ JumpIfSmi(ebx, &convert_smi);
-    __ JumpIfRoot(FieldOperand(ebx, HeapObject::kMapOffset),
-                  Heap::kHeapNumberMapRootIndex, &convert_number);
-    {
-      // Parameter is not a Number, use the ToNumber builtin to convert it.
-      FrameScope scope(masm, StackFrame::MANUAL);
-      __ SmiTag(eax);
-      __ SmiTag(ecx);
-      __ EnterBuiltinFrame(esi, edi, eax);
-      __ Push(ecx);
-      __ Push(edx);
-      __ mov(eax, ebx);
-      __ Call(masm->isolate()->builtins()->ToNumber(), RelocInfo::CODE_TARGET);
-      __ mov(ebx, eax);
-      __ Pop(edx);
-      __ Pop(ecx);
-      __ LeaveBuiltinFrame(esi, edi, eax);
-      __ SmiUntag(ecx);
-      __ SmiUntag(eax);
-      {
-        // Restore the double accumulator value (xmm0).
-        Label restore_smi, done_restore;
-        __ JumpIfSmi(edx, &restore_smi, Label::kNear);
-        __ movsd(xmm0, FieldOperand(edx, HeapNumber::kValueOffset));
-        __ jmp(&done_restore, Label::kNear);
-        __ bind(&restore_smi);
-        __ SmiUntag(edx);
-        __ Cvtsi2sd(xmm0, edx);
-        __ SmiTag(edx);
-        __ bind(&done_restore);
-      }
-    }
-    __ jmp(&convert);
-    __ bind(&convert_number);
-    __ movsd(xmm1, FieldOperand(ebx, HeapNumber::kValueOffset));
-    __ jmp(&done_convert, Label::kNear);
-    __ bind(&convert_smi);
-    __ SmiUntag(ebx);
-    __ Cvtsi2sd(xmm1, ebx);
-    __ SmiTag(ebx);
-    __ bind(&done_convert);
-
-    // Perform the actual comparison with the accumulator value on the left hand
-    // side (xmm0) and the next parameter value on the right hand side (xmm1).
-    Label compare_equal, compare_nan, compare_swap, done_compare;
-    __ ucomisd(xmm0, xmm1);
-    __ j(parity_even, &compare_nan, Label::kNear);
-    __ j(cc, &done_compare, Label::kNear);
-    __ j(equal, &compare_equal, Label::kNear);
-
-    // Result is on the right hand side.
-    __ bind(&compare_swap);
-    __ movaps(xmm0, xmm1);
-    __ mov(edx, ebx);
-    __ jmp(&done_compare, Label::kNear);
-
-    // At least one side is NaN, which means that the result will be NaN too.
-    __ bind(&compare_nan);
-    __ LoadRoot(edx, Heap::kNanValueRootIndex);
-    __ movsd(xmm0, FieldOperand(edx, HeapNumber::kValueOffset));
-    __ jmp(&done_compare, Label::kNear);
-
-    // Left and right hand side are equal, check for -0 vs. +0.
-    __ bind(&compare_equal);
-    __ Push(edi);  // Preserve function in edi.
-    __ movmskpd(edi, reg);
-    __ test(edi, Immediate(1));
-    __ Pop(edi);
-    __ j(not_zero, &compare_swap);
-
-    __ bind(&done_compare);
-    __ dec(ecx);
-    __ jmp(&loop);
-  }
-
-  __ bind(&done_loop);
-  __ PopReturnAddressTo(ecx);
-  __ lea(esp, Operand(esp, eax, times_pointer_size, kPointerSize));
-  __ PushReturnAddressFrom(ecx);
-  __ mov(eax, edx);
-  __ Ret();
-}
-
-// static
-void Builtins::Generate_NumberConstructor(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax                 : number of arguments
-  //  -- edi                 : constructor function
-  //  -- esi                 : context
-  //  -- esp[0]              : return address
-  //  -- esp[(argc - n) * 4] : arg[n] (zero-based)
-  //  -- esp[(argc + 1) * 4] : receiver
-  // -----------------------------------
-
-  // 1. Load the first argument into ebx.
-  Label no_arguments;
-  {
-    __ test(eax, eax);
-    __ j(zero, &no_arguments, Label::kNear);
-    __ mov(ebx, Operand(esp, eax, times_pointer_size, 0));
-  }
-
-  // 2a. Convert the first argument to a number.
-  {
-    FrameScope scope(masm, StackFrame::MANUAL);
-    __ SmiTag(eax);
-    __ EnterBuiltinFrame(esi, edi, eax);
-    __ mov(eax, ebx);
-    __ Call(masm->isolate()->builtins()->ToNumber(), RelocInfo::CODE_TARGET);
-    __ LeaveBuiltinFrame(esi, edi, ebx);  // Argc popped to ebx.
-    __ SmiUntag(ebx);
-  }
-
-  {
-    // Drop all arguments including the receiver.
-    __ PopReturnAddressTo(ecx);
-    __ lea(esp, Operand(esp, ebx, times_pointer_size, kPointerSize));
-    __ PushReturnAddressFrom(ecx);
-    __ Ret();
-  }
-
-  // 2b. No arguments, return +0 (already in eax).
-  __ bind(&no_arguments);
-  __ ret(1 * kPointerSize);
-}
-
-
-// static
-void Builtins::Generate_NumberConstructor_ConstructStub(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax                 : number of arguments
-  //  -- edi                 : constructor function
-  //  -- edx                 : new target
-  //  -- esi                 : context
-  //  -- esp[0]              : return address
-  //  -- esp[(argc - n) * 4] : arg[n] (zero-based)
-  //  -- esp[(argc + 1) * 4] : receiver
-  // -----------------------------------
-
-  // 1. Make sure we operate in the context of the called function.
-  __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset));
-
-  // Store argc in r8.
-  __ mov(ecx, eax);
-  __ SmiTag(ecx);
-
-  // 2. Load the first argument into ebx.
-  {
-    Label no_arguments, done;
-    __ test(eax, eax);
-    __ j(zero, &no_arguments, Label::kNear);
-    __ mov(ebx, Operand(esp, eax, times_pointer_size, 0));
-    __ jmp(&done, Label::kNear);
-    __ bind(&no_arguments);
-    __ Move(ebx, Smi::FromInt(0));
-    __ bind(&done);
-  }
-
-  // 3. Make sure ebx is a number.
-  {
-    Label done_convert;
-    __ JumpIfSmi(ebx, &done_convert);
-    __ CompareRoot(FieldOperand(ebx, HeapObject::kMapOffset),
-                   Heap::kHeapNumberMapRootIndex);
-    __ j(equal, &done_convert);
-    {
-      FrameScope scope(masm, StackFrame::MANUAL);
-      __ EnterBuiltinFrame(esi, edi, ecx);
-      __ Push(edx);
-      __ Move(eax, ebx);
-      __ Call(masm->isolate()->builtins()->ToNumber(), RelocInfo::CODE_TARGET);
-      __ Move(ebx, eax);
-      __ Pop(edx);
-      __ LeaveBuiltinFrame(esi, edi, ecx);
-    }
-    __ bind(&done_convert);
-  }
-
-  // 4. Check if new target and constructor differ.
-  Label drop_frame_and_ret, done_alloc, new_object;
-  __ cmp(edx, edi);
-  __ j(not_equal, &new_object);
-
-  // 5. Allocate a JSValue wrapper for the number.
-  __ AllocateJSValue(eax, edi, ebx, esi, &done_alloc);
-  __ jmp(&drop_frame_and_ret);
-
-  __ bind(&done_alloc);
-  __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset));  // Restore esi.
-
-  // 6. Fallback to the runtime to create new object.
-  __ bind(&new_object);
-  {
-    FrameScope scope(masm, StackFrame::MANUAL);
-    __ EnterBuiltinFrame(esi, edi, ecx);
-    __ Push(ebx);  // the first argument
-    FastNewObjectStub stub(masm->isolate());
-    __ CallStub(&stub);
-    __ Pop(FieldOperand(eax, JSValue::kValueOffset));
-    __ LeaveBuiltinFrame(esi, edi, ecx);
-  }
-
-  __ bind(&drop_frame_and_ret);
-  {
-    // Drop all arguments including the receiver.
-    __ PopReturnAddressTo(esi);
-    __ SmiUntag(ecx);
-    __ lea(esp, Operand(esp, ecx, times_pointer_size, kPointerSize));
-    __ PushReturnAddressFrom(esi);
-    __ Ret();
-  }
-}
-
-
-// static
-void Builtins::Generate_StringConstructor(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax                 : number of arguments
-  //  -- edi                 : constructor function
-  //  -- esi                 : context
-  //  -- esp[0]              : return address
-  //  -- esp[(argc - n) * 4] : arg[n] (zero-based)
-  //  -- esp[(argc + 1) * 4] : receiver
-  // -----------------------------------
-
-  // 1. Load the first argument into eax.
-  Label no_arguments;
-  {
-    __ mov(ebx, eax);  // Store argc in ebx.
-    __ test(eax, eax);
-    __ j(zero, &no_arguments, Label::kNear);
-    __ mov(eax, Operand(esp, eax, times_pointer_size, 0));
-  }
-
-  // 2a. At least one argument, return eax if it's a string, otherwise
-  // dispatch to appropriate conversion.
-  Label drop_frame_and_ret, to_string, symbol_descriptive_string;
-  {
-    __ JumpIfSmi(eax, &to_string, Label::kNear);
-    STATIC_ASSERT(FIRST_NONSTRING_TYPE == SYMBOL_TYPE);
-    __ CmpObjectType(eax, FIRST_NONSTRING_TYPE, edx);
-    __ j(above, &to_string, Label::kNear);
-    __ j(equal, &symbol_descriptive_string, Label::kNear);
-    __ jmp(&drop_frame_and_ret, Label::kNear);
-  }
-
-  // 2b. No arguments, return the empty string (and pop the receiver).
-  __ bind(&no_arguments);
-  {
-    __ LoadRoot(eax, Heap::kempty_stringRootIndex);
-    __ ret(1 * kPointerSize);
-  }
-
-  // 3a. Convert eax to a string.
-  __ bind(&to_string);
-  {
-    FrameScope scope(masm, StackFrame::MANUAL);
-    ToStringStub stub(masm->isolate());
-    __ SmiTag(ebx);
-    __ EnterBuiltinFrame(esi, edi, ebx);
-    __ CallStub(&stub);
-    __ LeaveBuiltinFrame(esi, edi, ebx);
-    __ SmiUntag(ebx);
-  }
-  __ jmp(&drop_frame_and_ret, Label::kNear);
-
-  // 3b. Convert symbol in eax to a string.
-  __ bind(&symbol_descriptive_string);
-  {
-    __ PopReturnAddressTo(ecx);
-    __ lea(esp, Operand(esp, ebx, times_pointer_size, kPointerSize));
-    __ Push(eax);
-    __ PushReturnAddressFrom(ecx);
-    __ TailCallRuntime(Runtime::kSymbolDescriptiveString);
-  }
-
-  __ bind(&drop_frame_and_ret);
-  {
-    // Drop all arguments including the receiver.
-    __ PopReturnAddressTo(ecx);
-    __ lea(esp, Operand(esp, ebx, times_pointer_size, kPointerSize));
-    __ PushReturnAddressFrom(ecx);
-    __ Ret();
-  }
-}
-
-
-// static
-void Builtins::Generate_StringConstructor_ConstructStub(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax                 : number of arguments
-  //  -- edi                 : constructor function
-  //  -- edx                 : new target
-  //  -- esi                 : context
-  //  -- esp[0]              : return address
-  //  -- esp[(argc - n) * 4] : arg[n] (zero-based)
-  //  -- esp[(argc + 1) * 4] : receiver
-  // -----------------------------------
-
-  // 1. Make sure we operate in the context of the called function.
-  __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset));
-
-  __ mov(ebx, eax);
-
-  // 2. Load the first argument into eax.
-  {
-    Label no_arguments, done;
-    __ test(ebx, ebx);
-    __ j(zero, &no_arguments, Label::kNear);
-    __ mov(eax, Operand(esp, ebx, times_pointer_size, 0));
-    __ jmp(&done, Label::kNear);
-    __ bind(&no_arguments);
-    __ LoadRoot(eax, Heap::kempty_stringRootIndex);
-    __ bind(&done);
-  }
-
-  // 3. Make sure eax is a string.
-  {
-    Label convert, done_convert;
-    __ JumpIfSmi(eax, &convert, Label::kNear);
-    __ CmpObjectType(eax, FIRST_NONSTRING_TYPE, ecx);
-    __ j(below, &done_convert);
-    __ bind(&convert);
-    {
-      FrameScope scope(masm, StackFrame::MANUAL);
-      ToStringStub stub(masm->isolate());
-      __ SmiTag(ebx);
-      __ EnterBuiltinFrame(esi, edi, ebx);
-      __ Push(edx);
-      __ CallStub(&stub);
-      __ Pop(edx);
-      __ LeaveBuiltinFrame(esi, edi, ebx);
-      __ SmiUntag(ebx);
-    }
-    __ bind(&done_convert);
-  }
-
-  // 4. Check if new target and constructor differ.
-  Label drop_frame_and_ret, done_alloc, new_object;
-  __ cmp(edx, edi);
-  __ j(not_equal, &new_object);
-
-  // 5. Allocate a JSValue wrapper for the string.
-  // AllocateJSValue can't handle src == dst register. Reuse esi and restore it
-  // as needed after the call.
-  __ mov(esi, eax);
-  __ AllocateJSValue(eax, edi, esi, ecx, &done_alloc);
-  __ jmp(&drop_frame_and_ret);
-
-  __ bind(&done_alloc);
-  {
-    // Restore eax to the first argument and esi to the context.
-    __ mov(eax, esi);
-    __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset));
-  }
-
-  // 6. Fallback to the runtime to create new object.
-  __ bind(&new_object);
-  {
-    FrameScope scope(masm, StackFrame::MANUAL);
-    __ SmiTag(ebx);
-    __ EnterBuiltinFrame(esi, edi, ebx);
-    __ Push(eax);  // the first argument
-    FastNewObjectStub stub(masm->isolate());
-    __ CallStub(&stub);
-    __ Pop(FieldOperand(eax, JSValue::kValueOffset));
-    __ LeaveBuiltinFrame(esi, edi, ebx);
-    __ SmiUntag(ebx);
-  }
-
-  __ bind(&drop_frame_and_ret);
-  {
-    // Drop all arguments including the receiver.
-    __ PopReturnAddressTo(ecx);
-    __ lea(esp, Operand(esp, ebx, times_pointer_size, kPointerSize));
-    __ PushReturnAddressFrom(ecx);
-    __ Ret();
-  }
-}
-
-
-static void ArgumentsAdaptorStackCheck(MacroAssembler* masm,
-                                       Label* stack_overflow) {
-  // ----------- S t a t e -------------
-  //  -- eax : actual number of arguments
-  //  -- ebx : expected number of arguments
-  //  -- edx : new target (passed through to callee)
-  // -----------------------------------
-  // Check the stack for overflow. We are not trying to catch
-  // interruptions (e.g. debug break and preemption) here, so the "real stack
-  // limit" is checked.
-  ExternalReference real_stack_limit =
-      ExternalReference::address_of_real_stack_limit(masm->isolate());
-  __ mov(edi, Operand::StaticVariable(real_stack_limit));
-  // Make ecx the space we have left. The stack might already be overflowed
-  // here which will cause ecx to become negative.
-  __ mov(ecx, esp);
-  __ sub(ecx, edi);
-  // Make edi the space we need for the array when it is unrolled onto the
-  // stack.
-  __ mov(edi, ebx);
-  __ shl(edi, kPointerSizeLog2);
-  // Check if the arguments will overflow the stack.
-  __ cmp(ecx, edi);
-  __ j(less_equal, stack_overflow);  // Signed comparison.
-}
-
-
-static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) {
-  __ push(ebp);
-  __ mov(ebp, esp);
-
-  // Store the arguments adaptor context sentinel.
-  __ push(Immediate(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
-
-  // Push the function on the stack.
-  __ push(edi);
-
-  // Preserve the number of arguments on the stack. Must preserve eax,
-  // ebx and ecx because these registers are used when copying the
-  // arguments and the receiver.
-  STATIC_ASSERT(kSmiTagSize == 1);
-  __ lea(edi, Operand(eax, eax, times_1, kSmiTag));
-  __ push(edi);
-}
-
-
-static void LeaveArgumentsAdaptorFrame(MacroAssembler* masm) {
-  // Retrieve the number of arguments from the stack.
-  __ mov(ebx, Operand(ebp, ArgumentsAdaptorFrameConstants::kLengthOffset));
-
-  // Leave the frame.
-  __ leave();
-
-  // Remove caller arguments from the stack.
-  STATIC_ASSERT(kSmiTagSize == 1 && kSmiTag == 0);
-  __ pop(ecx);
-  __ lea(esp, Operand(esp, ebx, times_2, 1 * kPointerSize));  // 1 ~ receiver
-  __ push(ecx);
-}
-
-
-// static
-void Builtins::Generate_Apply(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax    : argumentsList
-  //  -- edi    : target
-  //  -- edx    : new.target (checked to be constructor or undefined)
-  //  -- esp[0] : return address.
-  //  -- esp[4] : thisArgument
-  // -----------------------------------
-
-  // Create the list of arguments from the array-like argumentsList.
-  {
-    Label create_arguments, create_array, create_runtime, done_create;
-    __ JumpIfSmi(eax, &create_runtime);
-
-    // Load the map of argumentsList into ecx.
-    __ mov(ecx, FieldOperand(eax, HeapObject::kMapOffset));
-
-    // Load native context into ebx.
-    __ mov(ebx, NativeContextOperand());
-
-    // Check if argumentsList is an (unmodified) arguments object.
-    __ cmp(ecx, ContextOperand(ebx, Context::SLOPPY_ARGUMENTS_MAP_INDEX));
-    __ j(equal, &create_arguments);
-    __ cmp(ecx, ContextOperand(ebx, Context::STRICT_ARGUMENTS_MAP_INDEX));
-    __ j(equal, &create_arguments);
-
-    // Check if argumentsList is a fast JSArray.
-    __ CmpInstanceType(ecx, JS_ARRAY_TYPE);
-    __ j(equal, &create_array);
-
-    // Ask the runtime to create the list (actually a FixedArray).
-    __ bind(&create_runtime);
-    {
-      FrameScope scope(masm, StackFrame::INTERNAL);
-      __ Push(edi);
-      __ Push(edx);
-      __ Push(eax);
-      __ CallRuntime(Runtime::kCreateListFromArrayLike);
-      __ Pop(edx);
-      __ Pop(edi);
-      __ mov(ebx, FieldOperand(eax, FixedArray::kLengthOffset));
-      __ SmiUntag(ebx);
-    }
-    __ jmp(&done_create);
-
-    // Try to create the list from an arguments object.
-    __ bind(&create_arguments);
-    __ mov(ebx, FieldOperand(eax, JSArgumentsObject::kLengthOffset));
-    __ mov(ecx, FieldOperand(eax, JSObject::kElementsOffset));
-    __ cmp(ebx, FieldOperand(ecx, FixedArray::kLengthOffset));
-    __ j(not_equal, &create_runtime);
-    __ SmiUntag(ebx);
-    __ mov(eax, ecx);
-    __ jmp(&done_create);
-
-    // Try to create the list from a JSArray object.
-    __ bind(&create_array);
-    __ mov(ecx, FieldOperand(ecx, Map::kBitField2Offset));
-    __ DecodeField<Map::ElementsKindBits>(ecx);
-    STATIC_ASSERT(FAST_SMI_ELEMENTS == 0);
-    STATIC_ASSERT(FAST_HOLEY_SMI_ELEMENTS == 1);
-    STATIC_ASSERT(FAST_ELEMENTS == 2);
-    __ cmp(ecx, Immediate(FAST_ELEMENTS));
-    __ j(above, &create_runtime);
-    __ cmp(ecx, Immediate(FAST_HOLEY_SMI_ELEMENTS));
-    __ j(equal, &create_runtime);
-    __ mov(ebx, FieldOperand(eax, JSArray::kLengthOffset));
-    __ SmiUntag(ebx);
-    __ mov(eax, FieldOperand(eax, JSArray::kElementsOffset));
-
-    __ bind(&done_create);
-  }
-
-  // Check for stack overflow.
-  {
-    // Check the stack for overflow. We are not trying to catch interruptions
-    // (i.e. debug break and preemption) here, so check the "real stack limit".
-    Label done;
-    ExternalReference real_stack_limit =
-        ExternalReference::address_of_real_stack_limit(masm->isolate());
-    __ mov(ecx, Operand::StaticVariable(real_stack_limit));
-    // Make ecx the space we have left. The stack might already be overflowed
-    // here which will cause ecx to become negative.
-    __ neg(ecx);
-    __ add(ecx, esp);
-    __ sar(ecx, kPointerSizeLog2);
-    // Check if the arguments will overflow the stack.
-    __ cmp(ecx, ebx);
-    __ j(greater, &done, Label::kNear);  // Signed comparison.
-    __ TailCallRuntime(Runtime::kThrowStackOverflow);
-    __ bind(&done);
-  }
-
-  // ----------- S t a t e -------------
-  //  -- edi    : target
-  //  -- eax    : args (a FixedArray built from argumentsList)
-  //  -- ebx    : len (number of elements to push from args)
-  //  -- edx    : new.target (checked to be constructor or undefined)
-  //  -- esp[0] : return address.
-  //  -- esp[4] : thisArgument
-  // -----------------------------------
-
-  // Push arguments onto the stack (thisArgument is already on the stack).
-  {
-    __ movd(xmm0, edx);
-    __ PopReturnAddressTo(edx);
-    __ Move(ecx, Immediate(0));
-    Label done, loop;
-    __ bind(&loop);
-    __ cmp(ecx, ebx);
-    __ j(equal, &done, Label::kNear);
-    __ Push(
-        FieldOperand(eax, ecx, times_pointer_size, FixedArray::kHeaderSize));
-    __ inc(ecx);
-    __ jmp(&loop);
-    __ bind(&done);
-    __ PushReturnAddressFrom(edx);
-    __ movd(edx, xmm0);
-    __ Move(eax, ebx);
-  }
-
-  // Dispatch to Call or Construct depending on whether new.target is undefined.
-  {
-    __ CompareRoot(edx, Heap::kUndefinedValueRootIndex);
-    __ j(equal, masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
-    __ Jump(masm->isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET);
-  }
-}
-
-namespace {
-
-// Drops top JavaScript frame and an arguments adaptor frame below it (if
-// present) preserving all the arguments prepared for current call.
-// Does nothing if debugger is currently active.
-// ES6 14.6.3. PrepareForTailCall
-//
-// Stack structure for the function g() tail calling f():
-//
-// ------- Caller frame: -------
-// |  ...
-// |  g()'s arg M
-// |  ...
-// |  g()'s arg 1
-// |  g()'s receiver arg
-// |  g()'s caller pc
-// ------- g()'s frame: -------
-// |  g()'s caller fp      <- fp
-// |  g()'s context
-// |  function pointer: g
-// |  -------------------------
-// |  ...
-// |  ...
-// |  f()'s arg N
-// |  ...
-// |  f()'s arg 1
-// |  f()'s receiver arg
-// |  f()'s caller pc      <- sp
-// ----------------------
-//
-void PrepareForTailCall(MacroAssembler* masm, Register args_reg,
-                        Register scratch1, Register scratch2,
-                        Register scratch3) {
-  DCHECK(!AreAliased(args_reg, scratch1, scratch2, scratch3));
-  Comment cmnt(masm, "[ PrepareForTailCall");
-
-  // Prepare for tail call only if ES2015 tail call elimination is enabled.
-  Label done;
-  ExternalReference is_tail_call_elimination_enabled =
-      ExternalReference::is_tail_call_elimination_enabled_address(
-          masm->isolate());
-  __ movzx_b(scratch1,
-             Operand::StaticVariable(is_tail_call_elimination_enabled));
-  __ cmp(scratch1, Immediate(0));
-  __ j(equal, &done, Label::kNear);
-
-  // Drop possible interpreter handler/stub frame.
-  {
-    Label no_interpreter_frame;
-    __ cmp(Operand(ebp, CommonFrameConstants::kContextOrFrameTypeOffset),
-           Immediate(Smi::FromInt(StackFrame::STUB)));
-    __ j(not_equal, &no_interpreter_frame, Label::kNear);
-    __ mov(ebp, Operand(ebp, StandardFrameConstants::kCallerFPOffset));
-    __ bind(&no_interpreter_frame);
-  }
-
-  // Check if next frame is an arguments adaptor frame.
-  Register caller_args_count_reg = scratch1;
-  Label no_arguments_adaptor, formal_parameter_count_loaded;
-  __ mov(scratch2, Operand(ebp, StandardFrameConstants::kCallerFPOffset));
-  __ cmp(Operand(scratch2, CommonFrameConstants::kContextOrFrameTypeOffset),
-         Immediate(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
-  __ j(not_equal, &no_arguments_adaptor, Label::kNear);
-
-  // Drop current frame and load arguments count from arguments adaptor frame.
-  __ mov(ebp, scratch2);
-  __ mov(caller_args_count_reg,
-         Operand(ebp, ArgumentsAdaptorFrameConstants::kLengthOffset));
-  __ SmiUntag(caller_args_count_reg);
-  __ jmp(&formal_parameter_count_loaded, Label::kNear);
-
-  __ bind(&no_arguments_adaptor);
-  // Load caller's formal parameter count
-  __ mov(scratch1, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset));
-  __ mov(scratch1,
-         FieldOperand(scratch1, JSFunction::kSharedFunctionInfoOffset));
-  __ mov(
-      caller_args_count_reg,
-      FieldOperand(scratch1, SharedFunctionInfo::kFormalParameterCountOffset));
-  __ SmiUntag(caller_args_count_reg);
-
-  __ bind(&formal_parameter_count_loaded);
-
-  ParameterCount callee_args_count(args_reg);
-  __ PrepareForTailCall(callee_args_count, caller_args_count_reg, scratch2,
-                        scratch3, ReturnAddressState::kOnStack, 0);
-  __ bind(&done);
-}
-}  // namespace
-
-// static
-void Builtins::Generate_CallFunction(MacroAssembler* masm,
-                                     ConvertReceiverMode mode,
-                                     TailCallMode tail_call_mode) {
-  // ----------- S t a t e -------------
-  //  -- eax : the number of arguments (not including the receiver)
-  //  -- edi : the function to call (checked to be a JSFunction)
-  // -----------------------------------
-  __ AssertFunction(edi);
-
-  // See ES6 section 9.2.1 [[Call]] ( thisArgument, argumentsList)
-  // Check that the function is not a "classConstructor".
-  Label class_constructor;
-  __ mov(edx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
-  __ test_b(FieldOperand(edx, SharedFunctionInfo::kFunctionKindByteOffset),
-            Immediate(SharedFunctionInfo::kClassConstructorBitsWithinByte));
-  __ j(not_zero, &class_constructor);
-
-  // Enter the context of the function; ToObject has to run in the function
-  // context, and we also need to take the global proxy from the function
-  // context in case of conversion.
-  STATIC_ASSERT(SharedFunctionInfo::kNativeByteOffset ==
-                SharedFunctionInfo::kStrictModeByteOffset);
-  __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset));
-  // We need to convert the receiver for non-native sloppy mode functions.
-  Label done_convert;
-  __ test_b(FieldOperand(edx, SharedFunctionInfo::kNativeByteOffset),
-            Immediate((1 << SharedFunctionInfo::kNativeBitWithinByte) |
-                      (1 << SharedFunctionInfo::kStrictModeBitWithinByte)));
-  __ j(not_zero, &done_convert);
-  {
-    // ----------- S t a t e -------------
-    //  -- eax : the number of arguments (not including the receiver)
-    //  -- edx : the shared function info.
-    //  -- edi : the function to call (checked to be a JSFunction)
-    //  -- esi : the function context.
-    // -----------------------------------
-
-    if (mode == ConvertReceiverMode::kNullOrUndefined) {
-      // Patch receiver to global proxy.
-      __ LoadGlobalProxy(ecx);
-    } else {
-      Label convert_to_object, convert_receiver;
-      __ mov(ecx, Operand(esp, eax, times_pointer_size, kPointerSize));
-      __ JumpIfSmi(ecx, &convert_to_object, Label::kNear);
-      STATIC_ASSERT(LAST_JS_RECEIVER_TYPE == LAST_TYPE);
-      __ CmpObjectType(ecx, FIRST_JS_RECEIVER_TYPE, ebx);
-      __ j(above_equal, &done_convert);
-      if (mode != ConvertReceiverMode::kNotNullOrUndefined) {
-        Label convert_global_proxy;
-        __ JumpIfRoot(ecx, Heap::kUndefinedValueRootIndex,
-                      &convert_global_proxy, Label::kNear);
-        __ JumpIfNotRoot(ecx, Heap::kNullValueRootIndex, &convert_to_object,
-                         Label::kNear);
-        __ bind(&convert_global_proxy);
-        {
-          // Patch receiver to global proxy.
-          __ LoadGlobalProxy(ecx);
-        }
-        __ jmp(&convert_receiver);
-      }
-      __ bind(&convert_to_object);
-      {
-        // Convert receiver using ToObject.
-        // TODO(bmeurer): Inline the allocation here to avoid building the frame
-        // in the fast case? (fall back to AllocateInNewSpace?)
-        FrameScope scope(masm, StackFrame::INTERNAL);
-        __ SmiTag(eax);
-        __ Push(eax);
-        __ Push(edi);
-        __ mov(eax, ecx);
-        ToObjectStub stub(masm->isolate());
-        __ CallStub(&stub);
-        __ mov(ecx, eax);
-        __ Pop(edi);
-        __ Pop(eax);
-        __ SmiUntag(eax);
-      }
-      __ mov(edx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
-      __ bind(&convert_receiver);
-    }
-    __ mov(Operand(esp, eax, times_pointer_size, kPointerSize), ecx);
-  }
-  __ bind(&done_convert);
-
-  // ----------- S t a t e -------------
-  //  -- eax : the number of arguments (not including the receiver)
-  //  -- edx : the shared function info.
-  //  -- edi : the function to call (checked to be a JSFunction)
-  //  -- esi : the function context.
-  // -----------------------------------
-
-  if (tail_call_mode == TailCallMode::kAllow) {
-    PrepareForTailCall(masm, eax, ebx, ecx, edx);
-    // Reload shared function info.
-    __ mov(edx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
-  }
-
-  __ mov(ebx,
-         FieldOperand(edx, SharedFunctionInfo::kFormalParameterCountOffset));
-  __ SmiUntag(ebx);
-  ParameterCount actual(eax);
-  ParameterCount expected(ebx);
-  __ InvokeFunctionCode(edi, no_reg, expected, actual, JUMP_FUNCTION,
-                        CheckDebugStepCallWrapper());
-  // The function is a "classConstructor", need to raise an exception.
-  __ bind(&class_constructor);
-  {
-    FrameScope frame(masm, StackFrame::INTERNAL);
-    __ push(edi);
-    __ CallRuntime(Runtime::kThrowConstructorNonCallableError);
-  }
-}
-
-
-namespace {
-
-void Generate_PushBoundArguments(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax : the number of arguments (not including the receiver)
-  //  -- edx : new.target (only in case of [[Construct]])
-  //  -- edi : target (checked to be a JSBoundFunction)
-  // -----------------------------------
-
-  // Load [[BoundArguments]] into ecx and length of that into ebx.
-  Label no_bound_arguments;
-  __ mov(ecx, FieldOperand(edi, JSBoundFunction::kBoundArgumentsOffset));
-  __ mov(ebx, FieldOperand(ecx, FixedArray::kLengthOffset));
-  __ SmiUntag(ebx);
-  __ test(ebx, ebx);
-  __ j(zero, &no_bound_arguments);
-  {
-    // ----------- S t a t e -------------
-    //  -- eax : the number of arguments (not including the receiver)
-    //  -- edx : new.target (only in case of [[Construct]])
-    //  -- edi : target (checked to be a JSBoundFunction)
-    //  -- ecx : the [[BoundArguments]] (implemented as FixedArray)
-    //  -- ebx : the number of [[BoundArguments]]
-    // -----------------------------------
-
-    // Reserve stack space for the [[BoundArguments]].
-    {
-      Label done;
-      __ lea(ecx, Operand(ebx, times_pointer_size, 0));
-      __ sub(esp, ecx);
-      // Check the stack for overflow. We are not trying to catch interruptions
-      // (i.e. debug break and preemption) here, so check the "real stack
-      // limit".
-      __ CompareRoot(esp, ecx, Heap::kRealStackLimitRootIndex);
-      __ j(greater, &done, Label::kNear);  // Signed comparison.
-      // Restore the stack pointer.
-      __ lea(esp, Operand(esp, ebx, times_pointer_size, 0));
-      {
-        FrameScope scope(masm, StackFrame::MANUAL);
-        __ EnterFrame(StackFrame::INTERNAL);
-        __ CallRuntime(Runtime::kThrowStackOverflow);
-      }
-      __ bind(&done);
-    }
-
-    // Adjust effective number of arguments to include return address.
-    __ inc(eax);
-
-    // Relocate arguments and return address down the stack.
-    {
-      Label loop;
-      __ Set(ecx, 0);
-      __ lea(ebx, Operand(esp, ebx, times_pointer_size, 0));
-      __ bind(&loop);
-      __ movd(xmm0, Operand(ebx, ecx, times_pointer_size, 0));
-      __ movd(Operand(esp, ecx, times_pointer_size, 0), xmm0);
-      __ inc(ecx);
-      __ cmp(ecx, eax);
-      __ j(less, &loop);
-    }
-
-    // Copy [[BoundArguments]] to the stack (below the arguments).
-    {
-      Label loop;
-      __ mov(ecx, FieldOperand(edi, JSBoundFunction::kBoundArgumentsOffset));
-      __ mov(ebx, FieldOperand(ecx, FixedArray::kLengthOffset));
-      __ SmiUntag(ebx);
-      __ bind(&loop);
-      __ dec(ebx);
-      __ movd(xmm0, FieldOperand(ecx, ebx, times_pointer_size,
-                                 FixedArray::kHeaderSize));
-      __ movd(Operand(esp, eax, times_pointer_size, 0), xmm0);
-      __ lea(eax, Operand(eax, 1));
-      __ j(greater, &loop);
-    }
-
-    // Adjust effective number of arguments (eax contains the number of
-    // arguments from the call plus return address plus the number of
-    // [[BoundArguments]]), so we need to subtract one for the return address.
-    __ dec(eax);
-  }
-  __ bind(&no_bound_arguments);
-}
-
-}  // namespace
-
-
-// static
-void Builtins::Generate_CallBoundFunctionImpl(MacroAssembler* masm,
-                                              TailCallMode tail_call_mode) {
-  // ----------- S t a t e -------------
-  //  -- eax : the number of arguments (not including the receiver)
-  //  -- edi : the function to call (checked to be a JSBoundFunction)
-  // -----------------------------------
-  __ AssertBoundFunction(edi);
-
-  if (tail_call_mode == TailCallMode::kAllow) {
-    PrepareForTailCall(masm, eax, ebx, ecx, edx);
-  }
-
-  // Patch the receiver to [[BoundThis]].
-  __ mov(ebx, FieldOperand(edi, JSBoundFunction::kBoundThisOffset));
-  __ mov(Operand(esp, eax, times_pointer_size, kPointerSize), ebx);
-
-  // Push the [[BoundArguments]] onto the stack.
-  Generate_PushBoundArguments(masm);
-
-  // Call the [[BoundTargetFunction]] via the Call builtin.
-  __ mov(edi, FieldOperand(edi, JSBoundFunction::kBoundTargetFunctionOffset));
-  __ mov(ecx, Operand::StaticVariable(ExternalReference(
-                  Builtins::kCall_ReceiverIsAny, masm->isolate())));
-  __ lea(ecx, FieldOperand(ecx, Code::kHeaderSize));
-  __ jmp(ecx);
-}
-
-
-// static
-void Builtins::Generate_Call(MacroAssembler* masm, ConvertReceiverMode mode,
-                             TailCallMode tail_call_mode) {
-  // ----------- S t a t e -------------
-  //  -- eax : the number of arguments (not including the receiver)
-  //  -- edi : the target to call (can be any Object).
-  // -----------------------------------
-
-  Label non_callable, non_function, non_smi;
-  __ JumpIfSmi(edi, &non_callable);
-  __ bind(&non_smi);
-  __ CmpObjectType(edi, JS_FUNCTION_TYPE, ecx);
-  __ j(equal, masm->isolate()->builtins()->CallFunction(mode, tail_call_mode),
-       RelocInfo::CODE_TARGET);
-  __ CmpInstanceType(ecx, JS_BOUND_FUNCTION_TYPE);
-  __ j(equal, masm->isolate()->builtins()->CallBoundFunction(tail_call_mode),
-       RelocInfo::CODE_TARGET);
-
-  // Check if target has a [[Call]] internal method.
-  __ test_b(FieldOperand(ecx, Map::kBitFieldOffset),
-            Immediate(1 << Map::kIsCallable));
-  __ j(zero, &non_callable);
-
-  __ CmpInstanceType(ecx, JS_PROXY_TYPE);
-  __ j(not_equal, &non_function);
-
-  // 0. Prepare for tail call if necessary.
-  if (tail_call_mode == TailCallMode::kAllow) {
-    PrepareForTailCall(masm, eax, ebx, ecx, edx);
-  }
-
-  // 1. Runtime fallback for Proxy [[Call]].
-  __ PopReturnAddressTo(ecx);
-  __ Push(edi);
-  __ PushReturnAddressFrom(ecx);
-  // Increase the arguments size to include the pushed function and the
-  // existing receiver on the stack.
-  __ add(eax, Immediate(2));
-  // Tail-call to the runtime.
-  __ JumpToExternalReference(
-      ExternalReference(Runtime::kJSProxyCall, masm->isolate()));
-
-  // 2. Call to something else, which might have a [[Call]] internal method (if
-  // not we raise an exception).
-  __ bind(&non_function);
-  // Overwrite the original receiver with the (original) target.
-  __ mov(Operand(esp, eax, times_pointer_size, kPointerSize), edi);
-  // Let the "call_as_function_delegate" take care of the rest.
-  __ LoadGlobalFunction(Context::CALL_AS_FUNCTION_DELEGATE_INDEX, edi);
-  __ Jump(masm->isolate()->builtins()->CallFunction(
-              ConvertReceiverMode::kNotNullOrUndefined, tail_call_mode),
-          RelocInfo::CODE_TARGET);
-
-  // 3. Call to something that is not callable.
-  __ bind(&non_callable);
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
-    __ Push(edi);
-    __ CallRuntime(Runtime::kThrowCalledNonCallable);
-  }
-}
-
-
-// static
-void Builtins::Generate_ConstructFunction(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax : the number of arguments (not including the receiver)
-  //  -- edx : the new target (checked to be a constructor)
-  //  -- edi : the constructor to call (checked to be a JSFunction)
-  // -----------------------------------
-  __ AssertFunction(edi);
-
-  // Calling convention for function specific ConstructStubs require
-  // ebx to contain either an AllocationSite or undefined.
-  __ LoadRoot(ebx, Heap::kUndefinedValueRootIndex);
-
-  // Tail call to the function-specific construct stub (still in the caller
-  // context at this point).
-  __ mov(ecx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
-  __ mov(ecx, FieldOperand(ecx, SharedFunctionInfo::kConstructStubOffset));
-  __ lea(ecx, FieldOperand(ecx, Code::kHeaderSize));
-  __ jmp(ecx);
-}
-
-
-// static
-void Builtins::Generate_ConstructBoundFunction(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax : the number of arguments (not including the receiver)
-  //  -- edx : the new target (checked to be a constructor)
-  //  -- edi : the constructor to call (checked to be a JSBoundFunction)
-  // -----------------------------------
-  __ AssertBoundFunction(edi);
-
-  // Push the [[BoundArguments]] onto the stack.
-  Generate_PushBoundArguments(masm);
-
-  // Patch new.target to [[BoundTargetFunction]] if new.target equals target.
-  {
-    Label done;
-    __ cmp(edi, edx);
-    __ j(not_equal, &done, Label::kNear);
-    __ mov(edx, FieldOperand(edi, JSBoundFunction::kBoundTargetFunctionOffset));
-    __ bind(&done);
-  }
-
-  // Construct the [[BoundTargetFunction]] via the Construct builtin.
-  __ mov(edi, FieldOperand(edi, JSBoundFunction::kBoundTargetFunctionOffset));
-  __ mov(ecx, Operand::StaticVariable(
-                  ExternalReference(Builtins::kConstruct, masm->isolate())));
-  __ lea(ecx, FieldOperand(ecx, Code::kHeaderSize));
-  __ jmp(ecx);
-}
-
-
-// static
-void Builtins::Generate_ConstructProxy(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax : the number of arguments (not including the receiver)
-  //  -- edi : the constructor to call (checked to be a JSProxy)
-  //  -- edx : the new target (either the same as the constructor or
-  //           the JSFunction on which new was invoked initially)
-  // -----------------------------------
-
-  // Call into the Runtime for Proxy [[Construct]].
-  __ PopReturnAddressTo(ecx);
-  __ Push(edi);
-  __ Push(edx);
-  __ PushReturnAddressFrom(ecx);
-  // Include the pushed new_target, constructor and the receiver.
-  __ add(eax, Immediate(3));
-  // Tail-call to the runtime.
-  __ JumpToExternalReference(
-      ExternalReference(Runtime::kJSProxyConstruct, masm->isolate()));
-}
-
-
-// static
-void Builtins::Generate_Construct(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax : the number of arguments (not including the receiver)
-  //  -- edx : the new target (either the same as the constructor or
-  //           the JSFunction on which new was invoked initially)
-  //  -- edi : the constructor to call (can be any Object)
-  // -----------------------------------
-
-  // Check if target is a Smi.
-  Label non_constructor;
-  __ JumpIfSmi(edi, &non_constructor, Label::kNear);
-
-  // Dispatch based on instance type.
-  __ CmpObjectType(edi, JS_FUNCTION_TYPE, ecx);
-  __ j(equal, masm->isolate()->builtins()->ConstructFunction(),
-       RelocInfo::CODE_TARGET);
-
-  // Check if target has a [[Construct]] internal method.
-  __ test_b(FieldOperand(ecx, Map::kBitFieldOffset),
-            Immediate(1 << Map::kIsConstructor));
-  __ j(zero, &non_constructor, Label::kNear);
-
-  // Only dispatch to bound functions after checking whether they are
-  // constructors.
-  __ CmpInstanceType(ecx, JS_BOUND_FUNCTION_TYPE);
-  __ j(equal, masm->isolate()->builtins()->ConstructBoundFunction(),
-       RelocInfo::CODE_TARGET);
-
-  // Only dispatch to proxies after checking whether they are constructors.
-  __ CmpInstanceType(ecx, JS_PROXY_TYPE);
-  __ j(equal, masm->isolate()->builtins()->ConstructProxy(),
-       RelocInfo::CODE_TARGET);
-
-  // Called Construct on an exotic Object with a [[Construct]] internal method.
-  {
-    // Overwrite the original receiver with the (original) target.
-    __ mov(Operand(esp, eax, times_pointer_size, kPointerSize), edi);
-    // Let the "call_as_constructor_delegate" take care of the rest.
-    __ LoadGlobalFunction(Context::CALL_AS_CONSTRUCTOR_DELEGATE_INDEX, edi);
-    __ Jump(masm->isolate()->builtins()->CallFunction(),
-            RelocInfo::CODE_TARGET);
-  }
-
-  // Called Construct on an Object that doesn't have a [[Construct]] internal
-  // method.
-  __ bind(&non_constructor);
-  __ Jump(masm->isolate()->builtins()->ConstructedNonConstructable(),
-          RelocInfo::CODE_TARGET);
-}
-
-// static
-void Builtins::Generate_AllocateInNewSpace(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- edx    : requested object size (untagged)
-  //  -- esp[0] : return address
-  // -----------------------------------
-  __ SmiTag(edx);
-  __ PopReturnAddressTo(ecx);
-  __ Push(edx);
-  __ PushReturnAddressFrom(ecx);
-  __ Move(esi, Smi::FromInt(0));
-  __ TailCallRuntime(Runtime::kAllocateInNewSpace);
-}
-
-// static
-void Builtins::Generate_AllocateInOldSpace(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- edx    : requested object size (untagged)
-  //  -- esp[0] : return address
-  // -----------------------------------
-  __ SmiTag(edx);
-  __ PopReturnAddressTo(ecx);
-  __ Push(edx);
-  __ Push(Smi::FromInt(AllocateTargetSpace::encode(OLD_SPACE)));
-  __ PushReturnAddressFrom(ecx);
-  __ Move(esi, Smi::FromInt(0));
-  __ TailCallRuntime(Runtime::kAllocateInTargetSpace);
-}
-
-// static
-void Builtins::Generate_StringToNumber(MacroAssembler* masm) {
-  // The StringToNumber stub takes one argument in eax.
-  __ AssertString(eax);
-
-  // Check if string has a cached array index.
-  Label runtime;
-  __ test(FieldOperand(eax, String::kHashFieldOffset),
-          Immediate(String::kContainsCachedArrayIndexMask));
-  __ j(not_zero, &runtime, Label::kNear);
-  __ mov(eax, FieldOperand(eax, String::kHashFieldOffset));
-  __ IndexFromHash(eax, eax);
-  __ Ret();
-
-  __ bind(&runtime);
-  {
-    FrameScope frame(masm, StackFrame::INTERNAL);
-    // Push argument.
-    __ push(eax);
-    // We cannot use a tail call here because this builtin can also be called
-    // from wasm.
-    __ CallRuntime(Runtime::kStringToNumber);
-  }
-  __ Ret();
-}
-
-// static
-void Builtins::Generate_ToNumber(MacroAssembler* masm) {
-  // The ToNumber stub takes one argument in eax.
-  Label not_smi;
-  __ JumpIfNotSmi(eax, &not_smi, Label::kNear);
-  __ Ret();
-  __ bind(&not_smi);
-
-  Label not_heap_number;
-  __ CompareMap(eax, masm->isolate()->factory()->heap_number_map());
-  __ j(not_equal, &not_heap_number, Label::kNear);
-  __ Ret();
-  __ bind(&not_heap_number);
-
-  __ Jump(masm->isolate()->builtins()->NonNumberToNumber(),
-          RelocInfo::CODE_TARGET);
-}
-
-// static
-void Builtins::Generate_NonNumberToNumber(MacroAssembler* masm) {
-  // The NonNumberToNumber stub takes one argument in eax.
-  __ AssertNotNumber(eax);
-
-  Label not_string;
-  __ CmpObjectType(eax, FIRST_NONSTRING_TYPE, edi);
-  // eax: object
-  // edi: object map
-  __ j(above_equal, &not_string, Label::kNear);
-  __ Jump(masm->isolate()->builtins()->StringToNumber(),
-          RelocInfo::CODE_TARGET);
-  __ bind(&not_string);
-
-  Label not_oddball;
-  __ CmpInstanceType(edi, ODDBALL_TYPE);
-  __ j(not_equal, &not_oddball, Label::kNear);
-  __ mov(eax, FieldOperand(eax, Oddball::kToNumberOffset));
-  __ Ret();
-  __ bind(&not_oddball);
-  {
-    FrameScope frame(masm, StackFrame::INTERNAL);
-    // Push argument.
-    __ push(eax);
-    // We cannot use a tail call here because this builtin can also be called
-    // from wasm.
-    __ CallRuntime(Runtime::kToNumber);
-  }
-  __ Ret();
-}
-
-void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax : actual number of arguments
-  //  -- ebx : expected number of arguments
-  //  -- edx : new target (passed through to callee)
-  //  -- edi : function (passed through to callee)
-  // -----------------------------------
-
-  Label invoke, dont_adapt_arguments, stack_overflow;
-  __ IncrementCounter(masm->isolate()->counters()->arguments_adaptors(), 1);
-
-  Label enough, too_few;
-  __ cmp(eax, ebx);
-  __ j(less, &too_few);
-  __ cmp(ebx, SharedFunctionInfo::kDontAdaptArgumentsSentinel);
-  __ j(equal, &dont_adapt_arguments);
-
-  {  // Enough parameters: Actual >= expected.
-    __ bind(&enough);
-    EnterArgumentsAdaptorFrame(masm);
-    ArgumentsAdaptorStackCheck(masm, &stack_overflow);
-
-    // Copy receiver and all expected arguments.
-    const int offset = StandardFrameConstants::kCallerSPOffset;
-    __ lea(edi, Operand(ebp, eax, times_4, offset));
-    __ mov(eax, -1);  // account for receiver
-
-    Label copy;
-    __ bind(&copy);
-    __ inc(eax);
-    __ push(Operand(edi, 0));
-    __ sub(edi, Immediate(kPointerSize));
-    __ cmp(eax, ebx);
-    __ j(less, &copy);
-    // eax now contains the expected number of arguments.
-    __ jmp(&invoke);
-  }
-
-  {  // Too few parameters: Actual < expected.
-    __ bind(&too_few);
-    EnterArgumentsAdaptorFrame(masm);
-    ArgumentsAdaptorStackCheck(masm, &stack_overflow);
-
-    // Remember expected arguments in ecx.
-    __ mov(ecx, ebx);
-
-    // Copy receiver and all actual arguments.
-    const int offset = StandardFrameConstants::kCallerSPOffset;
-    __ lea(edi, Operand(ebp, eax, times_4, offset));
-    // ebx = expected - actual.
-    __ sub(ebx, eax);
-    // eax = -actual - 1
-    __ neg(eax);
-    __ sub(eax, Immediate(1));
-
-    Label copy;
-    __ bind(&copy);
-    __ inc(eax);
-    __ push(Operand(edi, 0));
-    __ sub(edi, Immediate(kPointerSize));
-    __ test(eax, eax);
-    __ j(not_zero, &copy);
-
-    // Fill remaining expected arguments with undefined values.
-    Label fill;
-    __ bind(&fill);
-    __ inc(eax);
-    __ push(Immediate(masm->isolate()->factory()->undefined_value()));
-    __ cmp(eax, ebx);
-    __ j(less, &fill);
-
-    // Restore expected arguments.
-    __ mov(eax, ecx);
-  }
-
-  // Call the entry point.
-  __ bind(&invoke);
-  // Restore function pointer.
-  __ mov(edi, Operand(ebp, ArgumentsAdaptorFrameConstants::kFunctionOffset));
-  // eax : expected number of arguments
-  // edx : new target (passed through to callee)
-  // edi : function (passed through to callee)
-  __ mov(ecx, FieldOperand(edi, JSFunction::kCodeEntryOffset));
-  __ call(ecx);
-
-  // Store offset of return address for deoptimizer.
-  masm->isolate()->heap()->SetArgumentsAdaptorDeoptPCOffset(masm->pc_offset());
-
-  // Leave frame and return.
-  LeaveArgumentsAdaptorFrame(masm);
-  __ ret(0);
-
-  // -------------------------------------------
-  // Dont adapt arguments.
-  // -------------------------------------------
-  __ bind(&dont_adapt_arguments);
-  __ mov(ecx, FieldOperand(edi, JSFunction::kCodeEntryOffset));
-  __ jmp(ecx);
-
-  __ bind(&stack_overflow);
-  {
-    FrameScope frame(masm, StackFrame::MANUAL);
-    __ CallRuntime(Runtime::kThrowStackOverflow);
-    __ int3();
-  }
-}
-
-
-static void CompatibleReceiverCheck(MacroAssembler* masm, Register receiver,
-                                    Register function_template_info,
-                                    Register scratch0, Register scratch1,
-                                    Label* receiver_check_failed) {
-  // If there is no signature, return the holder.
-  __ CompareRoot(FieldOperand(function_template_info,
-                              FunctionTemplateInfo::kSignatureOffset),
-                 Heap::kUndefinedValueRootIndex);
-  Label receiver_check_passed;
-  __ j(equal, &receiver_check_passed, Label::kNear);
-
-  // Walk the prototype chain.
-  __ mov(scratch0, FieldOperand(receiver, HeapObject::kMapOffset));
-  Label prototype_loop_start;
-  __ bind(&prototype_loop_start);
-
-  // Get the constructor, if any.
-  __ GetMapConstructor(scratch0, scratch0, scratch1);
-  __ CmpInstanceType(scratch1, JS_FUNCTION_TYPE);
-  Label next_prototype;
-  __ j(not_equal, &next_prototype, Label::kNear);
-
-  // Get the constructor's signature.
-  __ mov(scratch0,
-         FieldOperand(scratch0, JSFunction::kSharedFunctionInfoOffset));
-  __ mov(scratch0,
-         FieldOperand(scratch0, SharedFunctionInfo::kFunctionDataOffset));
-
-  // Loop through the chain of inheriting function templates.
-  Label function_template_loop;
-  __ bind(&function_template_loop);
-
-  // If the signatures match, we have a compatible receiver.
-  __ cmp(scratch0, FieldOperand(function_template_info,
-                                FunctionTemplateInfo::kSignatureOffset));
-  __ j(equal, &receiver_check_passed, Label::kNear);
-
-  // If the current type is not a FunctionTemplateInfo, load the next prototype
-  // in the chain.
-  __ JumpIfSmi(scratch0, &next_prototype, Label::kNear);
-  __ CmpObjectType(scratch0, FUNCTION_TEMPLATE_INFO_TYPE, scratch1);
-  __ j(not_equal, &next_prototype, Label::kNear);
-
-  // Otherwise load the parent function template and iterate.
-  __ mov(scratch0,
-         FieldOperand(scratch0, FunctionTemplateInfo::kParentTemplateOffset));
-  __ jmp(&function_template_loop, Label::kNear);
-
-  // Load the next prototype.
-  __ bind(&next_prototype);
-  __ mov(receiver, FieldOperand(receiver, HeapObject::kMapOffset));
-  __ test(FieldOperand(receiver, Map::kBitField3Offset),
-          Immediate(Map::HasHiddenPrototype::kMask));
-  __ j(zero, receiver_check_failed);
-
-  __ mov(receiver, FieldOperand(receiver, Map::kPrototypeOffset));
-  __ mov(scratch0, FieldOperand(receiver, HeapObject::kMapOffset));
-  // Iterate.
-  __ jmp(&prototype_loop_start, Label::kNear);
-
-  __ bind(&receiver_check_passed);
-}
-
-
-void Builtins::Generate_HandleFastApiCall(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax                : number of arguments (not including the receiver)
-  //  -- edi                : callee
-  //  -- esi                : context
-  //  -- esp[0]             : return address
-  //  -- esp[4]             : last argument
-  //  -- ...
-  //  -- esp[eax * 4]       : first argument
-  //  -- esp[(eax + 1) * 4] : receiver
-  // -----------------------------------
-
-  // Load the FunctionTemplateInfo.
-  __ mov(ebx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
-  __ mov(ebx, FieldOperand(ebx, SharedFunctionInfo::kFunctionDataOffset));
-
-  // Do the compatible receiver check.
-  Label receiver_check_failed;
-  __ mov(ecx, Operand(esp, eax, times_pointer_size, kPCOnStackSize));
-  __ Push(eax);
-  CompatibleReceiverCheck(masm, ecx, ebx, edx, eax, &receiver_check_failed);
-  __ Pop(eax);
-  // Get the callback offset from the FunctionTemplateInfo, and jump to the
-  // beginning of the code.
-  __ mov(edx, FieldOperand(ebx, FunctionTemplateInfo::kCallCodeOffset));
-  __ mov(edx, FieldOperand(edx, CallHandlerInfo::kFastHandlerOffset));
-  __ add(edx, Immediate(Code::kHeaderSize - kHeapObjectTag));
-  __ jmp(edx);
-
-  // Compatible receiver check failed: pop return address, arguments and
-  // receiver and throw an Illegal Invocation exception.
-  __ bind(&receiver_check_failed);
-  __ Pop(eax);
-  __ PopReturnAddressTo(ebx);
-  __ lea(eax, Operand(eax, times_pointer_size, 1 * kPointerSize));
-  __ add(esp, eax);
-  __ PushReturnAddressFrom(ebx);
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
-    __ TailCallRuntime(Runtime::kThrowIllegalInvocation);
-  }
-}
-
-
-void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) {
-  // Lookup the function in the JavaScript frame.
-  __ mov(eax, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset));
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
-    // Pass function as argument.
-    __ push(eax);
-    __ CallRuntime(Runtime::kCompileForOnStackReplacement);
-  }
-
-  Label skip;
-  // If the code object is null, just return to the unoptimized code.
-  __ cmp(eax, Immediate(0));
-  __ j(not_equal, &skip, Label::kNear);
-  __ ret(0);
-
-  __ bind(&skip);
-
-  // Load deoptimization data from the code object.
-  __ mov(ebx, Operand(eax, Code::kDeoptimizationDataOffset - kHeapObjectTag));
-
-  // Load the OSR entrypoint offset from the deoptimization data.
-  __ mov(ebx, Operand(ebx, FixedArray::OffsetOfElementAt(
-      DeoptimizationInputData::kOsrPcOffsetIndex) - kHeapObjectTag));
-  __ SmiUntag(ebx);
-
-  // Compute the target address = code_obj + header_size + osr_offset
-  __ lea(eax, Operand(eax, ebx, times_1, Code::kHeaderSize - kHeapObjectTag));
-
-  // Overwrite the return address on the stack.
-  __ mov(Operand(esp, 0), eax);
-
-  // And "return" to the OSR entry point of the function.
-  __ ret(0);
-}
-
-
-#undef __
-}  // namespace internal
-}  // namespace v8
-
-#endif  // V8_TARGET_ARCH_IA32