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

src/arm/builtins-arm.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_ARM
-
-#include "src/codegen.h"
-#include "src/debug/debug.h"
-#include "src/deoptimizer.h"
-#include "src/full-codegen/full-codegen.h"
-#include "src/runtime/runtime.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 -------------
-  //  -- r0                 : number of arguments excluding receiver
-  //  -- r1                 : target
-  //  -- r3                 : new.target
-  //  -- sp[0]              : last argument
-  //  -- ...
-  //  -- sp[4 * (argc - 1)] : first argument
-  //  -- sp[4 * argc]       : receiver
-  // -----------------------------------
-  __ AssertFunction(r1);
-
-  // 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).
-  __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));
-
-  // JumpToExternalReference expects r0 to contain the number of arguments
-  // including the receiver and the extra arguments.
-  const int num_extra_args = 3;
-  __ add(r0, r0, Operand(num_extra_args + 1));
-
-  // Insert extra arguments.
-  __ SmiTag(r0);
-  __ Push(r0, r1, r3);
-  __ SmiUntag(r0);
-
-  __ JumpToExternalReference(ExternalReference(id, masm->isolate()),
-                             exit_frame_type == BUILTIN_EXIT);
-}
-
-
-// Load the built-in InternalArray function from the current context.
-static void GenerateLoadInternalArrayFunction(MacroAssembler* masm,
-                                              Register result) {
-  // Load the InternalArray function from the current native context.
-  __ LoadNativeContextSlot(Context::INTERNAL_ARRAY_FUNCTION_INDEX, result);
-}
-
-
-// Load the built-in Array function from the current context.
-static void GenerateLoadArrayFunction(MacroAssembler* masm, Register result) {
-  // Load the Array function from the current native context.
-  __ LoadNativeContextSlot(Context::ARRAY_FUNCTION_INDEX, result);
-}
-
-
-void Builtins::Generate_InternalArrayCode(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r0     : number of arguments
-  //  -- lr     : return address
-  //  -- sp[...]: constructor arguments
-  // -----------------------------------
-  Label generic_array_code, one_or_more_arguments, two_or_more_arguments;
-
-  // Get the InternalArray function.
-  GenerateLoadInternalArrayFunction(masm, r1);
-
-  if (FLAG_debug_code) {
-    // Initial map for the builtin InternalArray functions should be maps.
-    __ ldr(r2, FieldMemOperand(r1, JSFunction::kPrototypeOrInitialMapOffset));
-    __ SmiTst(r2);
-    __ Assert(ne, kUnexpectedInitialMapForInternalArrayFunction);
-    __ CompareObjectType(r2, r3, r4, MAP_TYPE);
-    __ Assert(eq, 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 -------------
-  //  -- r0     : number of arguments
-  //  -- lr     : return address
-  //  -- sp[...]: constructor arguments
-  // -----------------------------------
-  Label generic_array_code, one_or_more_arguments, two_or_more_arguments;
-
-  // Get the Array function.
-  GenerateLoadArrayFunction(masm, r1);
-
-  if (FLAG_debug_code) {
-    // Initial map for the builtin Array functions should be maps.
-    __ ldr(r2, FieldMemOperand(r1, JSFunction::kPrototypeOrInitialMapOffset));
-    __ SmiTst(r2);
-    __ Assert(ne, kUnexpectedInitialMapForArrayFunction);
-    __ CompareObjectType(r2, r3, r4, MAP_TYPE);
-    __ Assert(eq, kUnexpectedInitialMapForArrayFunction);
-  }
-
-  __ mov(r3, r1);
-  // Run the native code for the Array function called as a normal function.
-  // tail call a stub
-  __ LoadRoot(r2, Heap::kUndefinedValueRootIndex);
-  ArrayConstructorStub stub(masm->isolate());
-  __ TailCallStub(&stub);
-}
-
-
-// static
-void Builtins::Generate_MathMaxMin(MacroAssembler* masm, MathMaxMinKind kind) {
-  // ----------- S t a t e -------------
-  //  -- r0                     : number of arguments
-  //  -- r1                     : function
-  //  -- cp                     : context
-  //  -- lr                     : return address
-  //  -- sp[(argc - n - 1) * 4] : arg[n] (zero based)
-  //  -- sp[argc * 4]           : receiver
-  // -----------------------------------
-  Condition const cc_done = (kind == MathMaxMinKind::kMin) ? mi : gt;
-  Condition const cc_swap = (kind == MathMaxMinKind::kMin) ? gt : mi;
-  Heap::RootListIndex const root_index =
-      (kind == MathMaxMinKind::kMin) ? Heap::kInfinityValueRootIndex
-                                     : Heap::kMinusInfinityValueRootIndex;
-  DoubleRegister const reg = (kind == MathMaxMinKind::kMin) ? d2 : d1;
-
-  // Load the accumulator with the default return value (either -Infinity or
-  // +Infinity), with the tagged value in r5 and the double value in d1.
-  __ LoadRoot(r5, root_index);
-  __ vldr(d1, FieldMemOperand(r5, HeapNumber::kValueOffset));
-
-  Label done_loop, loop;
-  __ mov(r4, r0);
-  __ bind(&loop);
-  {
-    // Check if all parameters done.
-    __ sub(r4, r4, Operand(1), SetCC);
-    __ b(lt, &done_loop);
-
-    // Load the next parameter tagged value into r2.
-    __ ldr(r2, MemOperand(sp, r4, LSL, kPointerSizeLog2));
-
-    // Load the double value of the parameter into d2, 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(r2, &convert_smi);
-    __ ldr(r3, FieldMemOperand(r2, HeapObject::kMapOffset));
-    __ JumpIfRoot(r3, Heap::kHeapNumberMapRootIndex, &convert_number);
-    {
-      // Parameter is not a Number, use the ToNumber builtin to convert it.
-      DCHECK(!FLAG_enable_embedded_constant_pool);
-      FrameScope scope(masm, StackFrame::MANUAL);
-      __ SmiTag(r0);
-      __ SmiTag(r4);
-      __ EnterBuiltinFrame(cp, r1, r0);
-      __ Push(r4, r5);
-      __ mov(r0, r2);
-      __ Call(masm->isolate()->builtins()->ToNumber(), RelocInfo::CODE_TARGET);
-      __ mov(r2, r0);
-      __ Pop(r4, r5);
-      __ LeaveBuiltinFrame(cp, r1, r0);
-      __ SmiUntag(r4);
-      __ SmiUntag(r0);
-      {
-        // Restore the double accumulator value (d1).
-        Label done_restore;
-        __ SmiToDouble(d1, r5);
-        __ JumpIfSmi(r5, &done_restore);
-        __ vldr(d1, FieldMemOperand(r5, HeapNumber::kValueOffset));
-        __ bind(&done_restore);
-      }
-    }
-    __ b(&convert);
-    __ bind(&convert_number);
-    __ vldr(d2, FieldMemOperand(r2, HeapNumber::kValueOffset));
-    __ b(&done_convert);
-    __ bind(&convert_smi);
-    __ SmiToDouble(d2, r2);
-    __ bind(&done_convert);
-
-    // Perform the actual comparison with the accumulator value on the left hand
-    // side (d1) and the next parameter value on the right hand side (d2).
-    Label compare_nan, compare_swap;
-    __ VFPCompareAndSetFlags(d1, d2);
-    __ b(cc_done, &loop);
-    __ b(cc_swap, &compare_swap);
-    __ b(vs, &compare_nan);
-
-    // Left and right hand side are equal, check for -0 vs. +0.
-    __ VmovHigh(ip, reg);
-    __ cmp(ip, Operand(0x80000000));
-    __ b(ne, &loop);
-
-    // Result is on the right hand side.
-    __ bind(&compare_swap);
-    __ vmov(d1, d2);
-    __ mov(r5, r2);
-    __ b(&loop);
-
-    // At least one side is NaN, which means that the result will be NaN too.
-    __ bind(&compare_nan);
-    __ LoadRoot(r5, Heap::kNanValueRootIndex);
-    __ vldr(d1, FieldMemOperand(r5, HeapNumber::kValueOffset));
-    __ b(&loop);
-  }
-
-  __ bind(&done_loop);
-  // Drop all slots, including the receiver.
-  __ add(r0, r0, Operand(1));
-  __ Drop(r0);
-  __ mov(r0, r5);
-  __ Ret();
-}
-
-// static
-void Builtins::Generate_NumberConstructor(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r0                     : number of arguments
-  //  -- r1                     : constructor function
-  //  -- cp                     : context
-  //  -- lr                     : return address
-  //  -- sp[(argc - n - 1) * 4] : arg[n] (zero based)
-  //  -- sp[argc * 4]           : receiver
-  // -----------------------------------
-
-  // 1. Load the first argument into r0.
-  Label no_arguments;
-  {
-    __ mov(r2, r0);  // Store argc in r2.
-    __ sub(r0, r0, Operand(1), SetCC);
-    __ b(lo, &no_arguments);
-    __ ldr(r0, MemOperand(sp, r0, LSL, kPointerSizeLog2));
-  }
-
-  // 2a. Convert the first argument to a number.
-  {
-    FrameScope scope(masm, StackFrame::MANUAL);
-    __ SmiTag(r2);
-    __ EnterBuiltinFrame(cp, r1, r2);
-    __ Call(masm->isolate()->builtins()->ToNumber(), RelocInfo::CODE_TARGET);
-    __ LeaveBuiltinFrame(cp, r1, r2);
-    __ SmiUntag(r2);
-  }
-
-  {
-    // Drop all arguments including the receiver.
-    __ Drop(r2);
-    __ Ret(1);
-  }
-
-  // 2b. No arguments, return +0.
-  __ bind(&no_arguments);
-  __ Move(r0, Smi::FromInt(0));
-  __ Ret(1);
-}
-
-
-// static
-void Builtins::Generate_NumberConstructor_ConstructStub(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r0                     : number of arguments
-  //  -- r1                     : constructor function
-  //  -- r3                     : new target
-  //  -- cp                     : context
-  //  -- lr                     : return address
-  //  -- sp[(argc - n - 1) * 4] : arg[n] (zero based)
-  //  -- sp[argc * 4]           : receiver
-  // -----------------------------------
-
-  // 1. Make sure we operate in the context of the called function.
-  __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));
-
-  // 2. Load the first argument into r2.
-  {
-    Label no_arguments, done;
-    __ mov(r6, r0);  // Store argc in r6.
-    __ sub(r0, r0, Operand(1), SetCC);
-    __ b(lo, &no_arguments);
-    __ ldr(r2, MemOperand(sp, r0, LSL, kPointerSizeLog2));
-    __ b(&done);
-    __ bind(&no_arguments);
-    __ Move(r2, Smi::FromInt(0));
-    __ bind(&done);
-  }
-
-  // 3. Make sure r2 is a number.
-  {
-    Label done_convert;
-    __ JumpIfSmi(r2, &done_convert);
-    __ CompareObjectType(r2, r4, r4, HEAP_NUMBER_TYPE);
-    __ b(eq, &done_convert);
-    {
-      FrameScope scope(masm, StackFrame::MANUAL);
-      __ SmiTag(r6);
-      __ EnterBuiltinFrame(cp, r1, r6);
-      __ Push(r3);
-      __ Move(r0, r2);
-      __ Call(masm->isolate()->builtins()->ToNumber(), RelocInfo::CODE_TARGET);
-      __ Move(r2, r0);
-      __ Pop(r3);
-      __ LeaveBuiltinFrame(cp, r1, r6);
-      __ SmiUntag(r6);
-    }
-    __ bind(&done_convert);
-  }
-
-  // 4. Check if new target and constructor differ.
-  Label drop_frame_and_ret, new_object;
-  __ cmp(r1, r3);
-  __ b(ne, &new_object);
-
-  // 5. Allocate a JSValue wrapper for the number.
-  __ AllocateJSValue(r0, r1, r2, r4, r5, &new_object);
-  __ b(&drop_frame_and_ret);
-
-  // 6. Fallback to the runtime to create new object.
-  __ bind(&new_object);
-  {
-    FrameScope scope(masm, StackFrame::MANUAL);
-    FastNewObjectStub stub(masm->isolate());
-    __ SmiTag(r6);
-    __ EnterBuiltinFrame(cp, r1, r6);
-    __ Push(r2);  // first argument
-    __ CallStub(&stub);
-    __ Pop(r2);
-    __ LeaveBuiltinFrame(cp, r1, r6);
-    __ SmiUntag(r6);
-  }
-  __ str(r2, FieldMemOperand(r0, JSValue::kValueOffset));
-
-  __ bind(&drop_frame_and_ret);
-  {
-    __ Drop(r6);
-    __ Ret(1);
-  }
-}
-
-
-// static
-void Builtins::Generate_StringConstructor(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r0                     : number of arguments
-  //  -- r1                     : constructor function
-  //  -- cp                     : context
-  //  -- lr                     : return address
-  //  -- sp[(argc - n - 1) * 4] : arg[n] (zero based)
-  //  -- sp[argc * 4]           : receiver
-  // -----------------------------------
-
-  // 1. Load the first argument into r0.
-  Label no_arguments;
-  {
-    __ mov(r2, r0);  // Store argc in r2.
-    __ sub(r0, r0, Operand(1), SetCC);
-    __ b(lo, &no_arguments);
-    __ ldr(r0, MemOperand(sp, r0, LSL, kPointerSizeLog2));
-  }
-
-  // 2a. At least one argument, return r0 if it's a string, otherwise
-  // dispatch to appropriate conversion.
-  Label drop_frame_and_ret, to_string, symbol_descriptive_string;
-  {
-    __ JumpIfSmi(r0, &to_string);
-    STATIC_ASSERT(FIRST_NONSTRING_TYPE == SYMBOL_TYPE);
-    __ CompareObjectType(r0, r3, r3, FIRST_NONSTRING_TYPE);
-    __ b(hi, &to_string);
-    __ b(eq, &symbol_descriptive_string);
-    __ b(&drop_frame_and_ret);
-  }
-
-  // 2b. No arguments, return the empty string (and pop the receiver).
-  __ bind(&no_arguments);
-  {
-    __ LoadRoot(r0, Heap::kempty_stringRootIndex);
-    __ Ret(1);
-  }
-
-  // 3a. Convert r0 to a string.
-  __ bind(&to_string);
-  {
-    FrameScope scope(masm, StackFrame::MANUAL);
-    ToStringStub stub(masm->isolate());
-    __ SmiTag(r2);
-    __ EnterBuiltinFrame(cp, r1, r2);
-    __ CallStub(&stub);
-    __ LeaveBuiltinFrame(cp, r1, r2);
-    __ SmiUntag(r2);
-  }
-  __ b(&drop_frame_and_ret);
-
-  // 3b. Convert symbol in r0 to a string.
-  __ bind(&symbol_descriptive_string);
-  {
-    __ Drop(r2);
-    __ Drop(1);
-    __ Push(r0);
-    __ TailCallRuntime(Runtime::kSymbolDescriptiveString);
-  }
-
-  __ bind(&drop_frame_and_ret);
-  {
-    __ Drop(r2);
-    __ Ret(1);
-  }
-}
-
-
-// static
-void Builtins::Generate_StringConstructor_ConstructStub(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r0                     : number of arguments
-  //  -- r1                     : constructor function
-  //  -- r3                     : new target
-  //  -- cp                     : context
-  //  -- lr                     : return address
-  //  -- sp[(argc - n - 1) * 4] : arg[n] (zero based)
-  //  -- sp[argc * 4]           : receiver
-  // -----------------------------------
-
-  // 1. Make sure we operate in the context of the called function.
-  __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));
-
-  // 2. Load the first argument into r2.
-  {
-    Label no_arguments, done;
-    __ mov(r6, r0);  // Store argc in r6.
-    __ sub(r0, r0, Operand(1), SetCC);
-    __ b(lo, &no_arguments);
-    __ ldr(r2, MemOperand(sp, r0, LSL, kPointerSizeLog2));
-    __ b(&done);
-    __ bind(&no_arguments);
-    __ LoadRoot(r2, Heap::kempty_stringRootIndex);
-    __ bind(&done);
-  }
-
-  // 3. Make sure r2 is a string.
-  {
-    Label convert, done_convert;
-    __ JumpIfSmi(r2, &convert);
-    __ CompareObjectType(r2, r4, r4, FIRST_NONSTRING_TYPE);
-    __ b(lo, &done_convert);
-    __ bind(&convert);
-    {
-      FrameScope scope(masm, StackFrame::MANUAL);
-      ToStringStub stub(masm->isolate());
-      __ SmiTag(r6);
-      __ EnterBuiltinFrame(cp, r1, r6);
-      __ Push(r3);
-      __ Move(r0, r2);
-      __ CallStub(&stub);
-      __ Move(r2, r0);
-      __ Pop(r3);
-      __ LeaveBuiltinFrame(cp, r1, r6);
-      __ SmiUntag(r6);
-    }
-    __ bind(&done_convert);
-  }
-
-  // 4. Check if new target and constructor differ.
-  Label drop_frame_and_ret, new_object;
-  __ cmp(r1, r3);
-  __ b(ne, &new_object);
-
-  // 5. Allocate a JSValue wrapper for the string.
-  __ AllocateJSValue(r0, r1, r2, r4, r5, &new_object);
-  __ b(&drop_frame_and_ret);
-
-  // 6. Fallback to the runtime to create new object.
-  __ bind(&new_object);
-  {
-    FrameScope scope(masm, StackFrame::MANUAL);
-    FastNewObjectStub stub(masm->isolate());
-    __ SmiTag(r6);
-    __ EnterBuiltinFrame(cp, r1, r6);
-    __ Push(r2);  // first argument
-    __ CallStub(&stub);
-    __ Pop(r2);
-    __ LeaveBuiltinFrame(cp, r1, r6);
-    __ SmiUntag(r6);
-  }
-  __ str(r2, FieldMemOperand(r0, JSValue::kValueOffset));
-
-  __ bind(&drop_frame_and_ret);
-  {
-    __ Drop(r6);
-    __ Ret(1);
-  }
-}
-
-
-static void GenerateTailCallToSharedCode(MacroAssembler* masm) {
-  __ ldr(r2, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
-  __ ldr(r2, FieldMemOperand(r2, SharedFunctionInfo::kCodeOffset));
-  __ add(r2, r2, Operand(Code::kHeaderSize - kHeapObjectTag));
-  __ Jump(r2);
-}
-
-static void GenerateTailCallToReturnedCode(MacroAssembler* masm,
-                                           Runtime::FunctionId function_id) {
-  // ----------- S t a t e -------------
-  //  -- r0 : argument count (preserved for callee)
-  //  -- r1 : target function (preserved for callee)
-  //  -- r3 : new target (preserved for callee)
-  // -----------------------------------
-  {
-    FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
-    // Push the number of arguments to the callee.
-    __ SmiTag(r0);
-    __ push(r0);
-    // Push a copy of the target function and the new target.
-    __ push(r1);
-    __ push(r3);
-    // Push function as parameter to the runtime call.
-    __ Push(r1);
-
-    __ CallRuntime(function_id, 1);
-    __ mov(r2, r0);
-
-    // Restore target function and new target.
-    __ pop(r3);
-    __ pop(r1);
-    __ pop(r0);
-    __ SmiUntag(r0, r0);
-  }
-  __ add(r2, r2, Operand(Code::kHeaderSize - kHeapObjectTag));
-  __ Jump(r2);
-}
-
-
-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;
-  __ LoadRoot(ip, Heap::kStackLimitRootIndex);
-  __ cmp(sp, Operand(ip));
-  __ b(hs, &ok);
-
-  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 -------------
-  //  -- r0     : number of arguments
-  //  -- r1     : constructor function
-  //  -- r2     : allocation site or undefined
-  //  -- r3     : new target
-  //  -- cp     : context
-  //  -- lr     : return address
-  //  -- sp[...]: constructor arguments
-  // -----------------------------------
-
-  Isolate* isolate = masm->isolate();
-
-  // Enter a construct frame.
-  {
-    FrameAndConstantPoolScope scope(masm, StackFrame::CONSTRUCT);
-
-    // Preserve the incoming parameters on the stack.
-    __ AssertUndefinedOrAllocationSite(r2, r4);
-    __ Push(cp);
-    __ SmiTag(r0);
-    __ Push(r2, r0);
-
-    if (create_implicit_receiver) {
-      // Allocate the new receiver object.
-      __ Push(r1, r3);
-      FastNewObjectStub stub(masm->isolate());
-      __ CallStub(&stub);
-      __ mov(r4, r0);
-      __ Pop(r1, r3);
-
-      // ----------- S t a t e -------------
-      //  -- r1: constructor function
-      //  -- r3: new target
-      //  -- r4: newly allocated object
-      // -----------------------------------
-
-      // Retrieve smi-tagged arguments count from the stack.
-      __ ldr(r0, MemOperand(sp));
-    }
-
-    __ SmiUntag(r0);
-
-    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(r4);
-      __ push(r4);
-    } else {
-      __ PushRoot(Heap::kTheHoleValueRootIndex);
-    }
-
-    // Set up pointer to last argument.
-    __ add(r2, fp, Operand(StandardFrameConstants::kCallerSPOffset));
-
-    // Copy arguments and receiver to the expression stack.
-    // r0: number of arguments
-    // r1: constructor function
-    // r2: address of last argument (caller sp)
-    // r3: new target
-    // r4: number of arguments (smi-tagged)
-    // sp[0]: receiver
-    // sp[1]: receiver
-    // sp[2]: number of arguments (smi-tagged)
-    Label loop, entry;
-    __ SmiTag(r4, r0);
-    __ b(&entry);
-    __ bind(&loop);
-    __ ldr(ip, MemOperand(r2, r4, LSL, kPointerSizeLog2 - 1));
-    __ push(ip);
-    __ bind(&entry);
-    __ sub(r4, r4, Operand(2), SetCC);
-    __ b(ge, &loop);
-
-    // Call the function.
-    // r0: number of arguments
-    // r1: constructor function
-    // r3: new target
-    ParameterCount actual(r0);
-    __ InvokeFunction(r1, r3, 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.
-    // r0: result
-    // sp[0]: receiver
-    // sp[1]: number of arguments (smi-tagged)
-    __ ldr(cp, MemOperand(fp, 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; see ECMA-262 section 13.2.2-7
-      // on page 74.
-      Label use_receiver, exit;
-
-      // If the result is a smi, it is *not* an object in the ECMA sense.
-      // r0: result
-      // sp[0]: receiver
-      // sp[1]: number of arguments (smi-tagged)
-      __ JumpIfSmi(r0, &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.
-      __ CompareObjectType(r0, r1, r3, FIRST_JS_RECEIVER_TYPE);
-      __ b(ge, &exit);
-
-      // Throw away the result of the constructor invocation and use the
-      // on-stack receiver as the result.
-      __ bind(&use_receiver);
-      __ ldr(r0, MemOperand(sp));
-
-      // Remove receiver from the stack, remove caller arguments, and
-      // return.
-      __ bind(&exit);
-      // r0: result
-      // sp[0]: receiver (newly allocated object)
-      // sp[1]: number of arguments (smi-tagged)
-      __ ldr(r1, MemOperand(sp, 1 * kPointerSize));
-    } else {
-      __ ldr(r1, MemOperand(sp));
-    }
-
-    // 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(r0, &dont_throw);
-    {
-      FrameScope scope(masm, StackFrame::INTERNAL);
-      __ CallRuntime(Runtime::kThrowDerivedConstructorReturnedNonObject);
-    }
-    __ bind(&dont_throw);
-  }
-
-  __ add(sp, sp, Operand(r1, LSL, kPointerSizeLog2 - 1));
-  __ add(sp, sp, Operand(kPointerSize));
-  if (create_implicit_receiver) {
-    __ IncrementCounter(isolate->counters()->constructed_objects(), 1, r1, r2);
-  }
-  __ Jump(lr);
-}
-
-
-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);
-}
-
-// static
-void Builtins::Generate_ResumeGeneratorTrampoline(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r0 : the value to pass to the generator
-  //  -- r1 : the JSGeneratorObject to resume
-  //  -- r2 : the resume mode (tagged)
-  //  -- lr : return address
-  // -----------------------------------
-  __ AssertGeneratorObject(r1);
-
-  // Store input value into generator object.
-  __ str(r0, FieldMemOperand(r1, JSGeneratorObject::kInputOrDebugPosOffset));
-  __ RecordWriteField(r1, JSGeneratorObject::kInputOrDebugPosOffset, r0, r3,
-                      kLRHasNotBeenSaved, kDontSaveFPRegs);
-
-  // Store resume mode into generator object.
-  __ str(r2, FieldMemOperand(r1, JSGeneratorObject::kResumeModeOffset));
-
-  // Load suspended function and context.
-  __ ldr(cp, FieldMemOperand(r1, JSGeneratorObject::kContextOffset));
-  __ ldr(r4, FieldMemOperand(r1, 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);
-  __ mov(ip, Operand(last_step_action));
-  __ ldrsb(ip, MemOperand(ip));
-  __ cmp(ip, Operand(StepIn));
-  __ b(ge, &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());
-  __ mov(ip, Operand(debug_suspended_generator));
-  __ ldr(ip, MemOperand(ip));
-  __ cmp(ip, Operand(r1));
-  __ b(eq, &prepare_step_in_suspended_generator);
-  __ bind(&stepping_prepared);
-
-  // Push receiver.
-  __ ldr(ip, FieldMemOperand(r1, JSGeneratorObject::kReceiverOffset));
-  __ Push(ip);
-
-  // ----------- S t a t e -------------
-  //  -- r1    : the JSGeneratorObject to resume
-  //  -- r2    : the resume mode (tagged)
-  //  -- r4    : generator function
-  //  -- cp    : generator context
-  //  -- lr    : return address
-  //  -- sp[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.
-  __ ldr(r3, FieldMemOperand(r4, JSFunction::kSharedFunctionInfoOffset));
-  __ ldr(r3,
-         FieldMemOperand(r3, SharedFunctionInfo::kFormalParameterCountOffset));
-  {
-    Label done_loop, loop;
-    __ bind(&loop);
-    __ sub(r3, r3, Operand(Smi::FromInt(1)), SetCC);
-    __ b(mi, &done_loop);
-    __ PushRoot(Heap::kTheHoleValueRootIndex);
-    __ b(&loop);
-    __ bind(&done_loop);
-  }
-
-  // Dispatch on the kind of generator object.
-  Label old_generator;
-  __ ldr(r3, FieldMemOperand(r4, JSFunction::kSharedFunctionInfoOffset));
-  __ ldr(r3, FieldMemOperand(r3, SharedFunctionInfo::kFunctionDataOffset));
-  __ CompareObjectType(r3, r3, r3, BYTECODE_ARRAY_TYPE);
-  __ b(ne, &old_generator);
-
-  // New-style (ignition/turbofan) generator object
-  {
-    __ ldr(r0, FieldMemOperand(r4, JSFunction::kSharedFunctionInfoOffset));
-    __ ldr(r0,
-         FieldMemOperand(r0, SharedFunctionInfo::kFormalParameterCountOffset));
-    __ SmiUntag(r0);
-    // 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.
-    __ Move(r3, r1);
-    __ Move(r1, r4);
-    __ ldr(r5, FieldMemOperand(r1, JSFunction::kCodeEntryOffset));
-    __ Jump(r5);
-  }
-
-  // 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.
-    DCHECK(!FLAG_enable_embedded_constant_pool);
-    FrameScope scope(masm, StackFrame::MANUAL);
-    __ Push(lr, fp);
-    __ Move(fp, sp);
-    __ Push(cp, r4);
-
-    // Restore the operand stack.
-    __ ldr(r0, FieldMemOperand(r1, JSGeneratorObject::kOperandStackOffset));
-    __ ldr(r3, FieldMemOperand(r0, FixedArray::kLengthOffset));
-    __ add(r0, r0, Operand(FixedArray::kHeaderSize - kHeapObjectTag));
-    __ add(r3, r0, Operand(r3, LSL, kPointerSizeLog2 - 1));
-    {
-      Label done_loop, loop;
-      __ bind(&loop);
-      __ cmp(r0, r3);
-      __ b(eq, &done_loop);
-      __ ldr(ip, MemOperand(r0, kPointerSize, PostIndex));
-      __ Push(ip);
-      __ b(&loop);
-      __ bind(&done_loop);
-    }
-
-    // Reset operand stack so we don't leak.
-    __ LoadRoot(ip, Heap::kEmptyFixedArrayRootIndex);
-    __ str(ip, FieldMemOperand(r1, JSGeneratorObject::kOperandStackOffset));
-
-    // Resume the generator function at the continuation.
-    __ ldr(r3, FieldMemOperand(r4, JSFunction::kSharedFunctionInfoOffset));
-    __ ldr(r3, FieldMemOperand(r3, SharedFunctionInfo::kCodeOffset));
-    __ add(r3, r3, Operand(Code::kHeaderSize - kHeapObjectTag));
-    __ ldr(r2, FieldMemOperand(r1, JSGeneratorObject::kContinuationOffset));
-    __ add(r3, r3, Operand(r2, ASR, 1));
-    __ mov(r2, Operand(Smi::FromInt(JSGeneratorObject::kGeneratorExecuting)));
-    __ str(r2, FieldMemOperand(r1, JSGeneratorObject::kContinuationOffset));
-    __ Move(r0, r1);  // Continuation expects generator object in r0.
-    __ Jump(r3);
-  }
-
-  __ bind(&prepare_step_in_if_stepping);
-  {
-    FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
-    __ Push(r1, r2, r4);
-    __ CallRuntime(Runtime::kDebugPrepareStepInIfStepping);
-    __ Pop(r1, r2);
-    __ ldr(r4, FieldMemOperand(r1, JSGeneratorObject::kFunctionOffset));
-  }
-  __ b(&stepping_prepared);
-
-  __ bind(&prepare_step_in_suspended_generator);
-  {
-    FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
-    __ Push(r1, r2);
-    __ CallRuntime(Runtime::kDebugPrepareStepInSuspendedGenerator);
-    __ Pop(r1, r2);
-    __ ldr(r4, FieldMemOperand(r1, JSGeneratorObject::kFunctionOffset));
-  }
-  __ b(&stepping_prepared);
-}
-
-void Builtins::Generate_ConstructedNonConstructable(MacroAssembler* masm) {
-  FrameScope scope(masm, StackFrame::INTERNAL);
-  __ push(r1);
-  __ CallRuntime(Runtime::kThrowConstructedNonConstructable);
-}
-
-
-enum IsTagged { kArgcIsSmiTagged, kArgcIsUntaggedInt };
-
-
-// Clobbers r2; preserves all other registers.
-static void Generate_CheckStackOverflow(MacroAssembler* masm, Register argc,
-                                        IsTagged argc_is_tagged) {
-  // 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;
-  __ LoadRoot(r2, Heap::kRealStackLimitRootIndex);
-  // Make r2 the space we have left. The stack might already be overflowed
-  // here which will cause r2 to become negative.
-  __ sub(r2, sp, r2);
-  // Check if the arguments will overflow the stack.
-  if (argc_is_tagged == kArgcIsSmiTagged) {
-    __ cmp(r2, Operand::PointerOffsetFromSmiKey(argc));
-  } else {
-    DCHECK(argc_is_tagged == kArgcIsUntaggedInt);
-    __ cmp(r2, Operand(argc, LSL, kPointerSizeLog2));
-  }
-  __ b(gt, &okay);  // Signed comparison.
-
-  // Out of stack space.
-  __ CallRuntime(Runtime::kThrowStackOverflow);
-
-  __ bind(&okay);
-}
-
-
-static void Generate_JSEntryTrampolineHelper(MacroAssembler* masm,
-                                             bool is_construct) {
-  // Called from Generate_JS_Entry
-  // r0: new.target
-  // r1: function
-  // r2: receiver
-  // r3: argc
-  // r4: argv
-  // r5-r6, r8 (if !FLAG_enable_embedded_constant_pool) and cp may be clobbered
-  ProfileEntryHookStub::MaybeCallEntryHook(masm);
-
-  // Enter an internal frame.
-  {
-    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(cp, Operand(context_address));
-    __ ldr(cp, MemOperand(cp));
-
-    __ InitializeRootRegister();
-
-    // Push the function and the receiver onto the stack.
-    __ Push(r1, r2);
-
-    // Check if we have enough stack space to push all arguments.
-    // Clobbers r2.
-    Generate_CheckStackOverflow(masm, r3, kArgcIsUntaggedInt);
-
-    // Remember new.target.
-    __ mov(r5, r0);
-
-    // Copy arguments to the stack in a loop.
-    // r1: function
-    // r3: argc
-    // r4: argv, i.e. points to first arg
-    Label loop, entry;
-    __ add(r2, r4, Operand(r3, LSL, kPointerSizeLog2));
-    // r2 points past last arg.
-    __ b(&entry);
-    __ bind(&loop);
-    __ ldr(r0, MemOperand(r4, kPointerSize, PostIndex));  // read next parameter
-    __ ldr(r0, MemOperand(r0));  // dereference handle
-    __ push(r0);  // push parameter
-    __ bind(&entry);
-    __ cmp(r4, r2);
-    __ b(ne, &loop);
-
-    // Setup new.target and argc.
-    __ mov(r0, Operand(r3));
-    __ mov(r3, Operand(r5));
-
-    // Initialize all JavaScript callee-saved registers, since they will be seen
-    // by the garbage collector as part of handlers.
-    __ LoadRoot(r4, Heap::kUndefinedValueRootIndex);
-    __ mov(r5, Operand(r4));
-    __ mov(r6, Operand(r4));
-    if (!FLAG_enable_embedded_constant_pool) {
-      __ mov(r8, Operand(r4));
-    }
-    if (kR9Available == 1) {
-      __ mov(r9, Operand(r4));
-    }
-
-    // Invoke the code.
-    Handle<Code> builtin = is_construct
-                               ? masm->isolate()->builtins()->Construct()
-                               : masm->isolate()->builtins()->Call();
-    __ Call(builtin, RelocInfo::CODE_TARGET);
-
-    // Exit the JS frame and remove the parameters (except function), and
-    // return.
-    // Respect ABI stack constraint.
-  }
-  __ Jump(lr);
-
-  // r0: result
-}
-
-
-void Builtins::Generate_JSEntryTrampoline(MacroAssembler* masm) {
-  Generate_JSEntryTrampolineHelper(masm, false);
-}
-
-
-void Builtins::Generate_JSConstructEntryTrampoline(MacroAssembler* masm) {
-  Generate_JSEntryTrampolineHelper(masm, true);
-}
-
-static void LeaveInterpreterFrame(MacroAssembler* masm, Register scratch) {
-  Register args_count = scratch;
-
-  // Get the arguments + receiver count.
-  __ ldr(args_count,
-         MemOperand(fp, InterpreterFrameConstants::kBytecodeArrayFromFp));
-  __ ldr(args_count,
-         FieldMemOperand(args_count, BytecodeArray::kParameterSizeOffset));
-
-  // Leave the frame (also dropping the register file).
-  __ LeaveFrame(StackFrame::JAVA_SCRIPT);
-
-  // Drop receiver + arguments.
-  __ add(sp, sp, args_count, LeaveCC);
-}
-
-// 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 r1: the JS function object being called.
-//   o r3: the new target
-//   o cp: our context
-//   o pp: the caller's constant pool pointer (if enabled)
-//   o fp: the caller's frame pointer
-//   o sp: stack pointer
-//   o lr: 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);
-  __ PushStandardFrame(r1);
-
-  // Get the bytecode array from the function object (or from the DebugInfo if
-  // it is present) and load it into kInterpreterBytecodeArrayRegister.
-  __ ldr(r0, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
-  Register debug_info = kInterpreterBytecodeArrayRegister;
-  DCHECK(!debug_info.is(r0));
-  __ ldr(debug_info, FieldMemOperand(r0, SharedFunctionInfo::kDebugInfoOffset));
-  __ cmp(debug_info, Operand(DebugInfo::uninitialized()));
-  // Load original bytecode array or the debug copy.
-  __ ldr(kInterpreterBytecodeArrayRegister,
-         FieldMemOperand(r0, SharedFunctionInfo::kFunctionDataOffset), eq);
-  __ ldr(kInterpreterBytecodeArrayRegister,
-         FieldMemOperand(debug_info, DebugInfo::kAbstractCodeIndex), ne);
-
-  // Check function data field is actually a BytecodeArray object.
-  Label bytecode_array_not_present;
-  __ CompareRoot(kInterpreterBytecodeArrayRegister,
-                 Heap::kUndefinedValueRootIndex);
-  __ b(eq, &bytecode_array_not_present);
-  if (FLAG_debug_code) {
-    __ SmiTst(kInterpreterBytecodeArrayRegister);
-    __ Assert(ne, kFunctionDataShouldBeBytecodeArrayOnInterpreterEntry);
-    __ CompareObjectType(kInterpreterBytecodeArrayRegister, r0, no_reg,
-                         BYTECODE_ARRAY_TYPE);
-    __ Assert(eq, kFunctionDataShouldBeBytecodeArrayOnInterpreterEntry);
-  }
-
-  // Load the initial bytecode offset.
-  __ mov(kInterpreterBytecodeOffsetRegister,
-         Operand(BytecodeArray::kHeaderSize - kHeapObjectTag));
-
-  // Push new.target, bytecode array and Smi tagged bytecode array offset.
-  __ SmiTag(r0, kInterpreterBytecodeOffsetRegister);
-  __ Push(r3, kInterpreterBytecodeArrayRegister, r0);
-
-  // Allocate the local and temporary register file on the stack.
-  {
-    // Load frame size from the BytecodeArray object.
-    __ ldr(r4, FieldMemOperand(kInterpreterBytecodeArrayRegister,
-                               BytecodeArray::kFrameSizeOffset));
-
-    // Do a stack check to ensure we don't go over the limit.
-    Label ok;
-    __ sub(r9, sp, Operand(r4));
-    __ LoadRoot(r2, Heap::kRealStackLimitRootIndex);
-    __ cmp(r9, Operand(r2));
-    __ b(hs, &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;
-    __ LoadRoot(r9, Heap::kUndefinedValueRootIndex);
-    __ b(&loop_check, al);
-    __ bind(&loop_header);
-    // TODO(rmcilroy): Consider doing more than one push per loop iteration.
-    __ push(r9);
-    // Continue loop if not done.
-    __ bind(&loop_check);
-    __ sub(r4, r4, Operand(kPointerSize), SetCC);
-    __ b(&loop_header, ge);
-  }
-
-  // Load accumulator and dispatch table into registers.
-  __ LoadRoot(kInterpreterAccumulatorRegister, Heap::kUndefinedValueRootIndex);
-  __ mov(kInterpreterDispatchTableRegister,
-         Operand(ExternalReference::interpreter_dispatch_table_address(
-             masm->isolate())));
-
-  // Dispatch to the first bytecode handler for the function.
-  __ ldrb(r1, MemOperand(kInterpreterBytecodeArrayRegister,
-                         kInterpreterBytecodeOffsetRegister));
-  __ ldr(ip, MemOperand(kInterpreterDispatchTableRegister, r1, LSL,
-                        kPointerSizeLog2));
-  __ Call(ip);
-  masm->isolate()->heap()->SetInterpreterEntryReturnPCOffset(masm->pc_offset());
-
-  // The return value is in r0.
-  LeaveInterpreterFrame(masm, r2);
-  __ Jump(lr);
-
-  // 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);
-  __ LeaveFrame(StackFrame::JAVA_SCRIPT);
-  __ ldr(r4, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
-  __ ldr(r4, FieldMemOperand(r4, SharedFunctionInfo::kCodeOffset));
-  __ add(r4, r4, Operand(Code::kHeaderSize - kHeapObjectTag));
-  __ str(r4, FieldMemOperand(r1, JSFunction::kCodeEntryOffset));
-  __ RecordWriteCodeEntryField(r1, r4, r5);
-  __ Jump(r4);
-}
-
-void Builtins::Generate_InterpreterMarkBaselineOnReturn(MacroAssembler* masm) {
-  // Save the function and context for call to CompileBaseline.
-  __ ldr(r1, MemOperand(fp, StandardFrameConstants::kFunctionOffset));
-  __ ldr(kContextRegister,
-         MemOperand(fp, StandardFrameConstants::kContextOffset));
-
-  // Leave the frame before recompiling for baseline so that we don't count as
-  // an activation on the stack.
-  LeaveInterpreterFrame(masm, r2);
-
-  {
-    FrameScope frame_scope(masm, StackFrame::INTERNAL);
-    // Push return value.
-    __ push(r0);
-
-    // Push function as argument and compile for baseline.
-    __ push(r1);
-    __ CallRuntime(Runtime::kCompileBaseline);
-
-    // Restore return value.
-    __ pop(r0);
-  }
-  __ Jump(lr);
-}
-
-static void Generate_InterpreterPushArgs(MacroAssembler* masm, Register index,
-                                         Register limit, Register scratch) {
-  Label loop_header, loop_check;
-  __ b(al, &loop_check);
-  __ bind(&loop_header);
-  __ ldr(scratch, MemOperand(index, -kPointerSize, PostIndex));
-  __ push(scratch);
-  __ bind(&loop_check);
-  __ cmp(index, limit);
-  __ b(gt, &loop_header);
-}
-
-// static
-void Builtins::Generate_InterpreterPushArgsAndCallImpl(
-    MacroAssembler* masm, TailCallMode tail_call_mode,
-    CallableType function_type) {
-  // ----------- S t a t e -------------
-  //  -- r0 : the number of arguments (not including the receiver)
-  //  -- r2 : 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.
-  //  -- r1 : the target to call (can be any Object).
-  // -----------------------------------
-
-  // Find the address of the last argument.
-  __ add(r3, r0, Operand(1));  // Add one for receiver.
-  __ mov(r3, Operand(r3, LSL, kPointerSizeLog2));
-  __ sub(r3, r2, r3);
-
-  // Push the arguments.
-  Generate_InterpreterPushArgs(masm, r2, r3, r4);
-
-  // Call the target.
-  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 -------------
-  // -- r0 : argument count (not including receiver)
-  // -- r3 : new target
-  // -- r1 : constructor to call
-  // -- r2 : address of the first argument
-  // -----------------------------------
-
-  // Find the address of the last argument.
-  __ mov(r4, Operand(r0, LSL, kPointerSizeLog2));
-  __ sub(r4, r2, r4);
-
-  // Push a slot for the receiver to be constructed.
-  __ mov(ip, Operand::Zero());
-  __ push(ip);
-
-  // Push the arguments.
-  Generate_InterpreterPushArgs(masm, r2, r4, r5);
-
-  // Call the constructor with r0, r1, and r3 unmodified.
-  __ 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));
-  __ Move(r2, masm->isolate()->builtins()->InterpreterEntryTrampoline());
-  __ add(lr, r2, Operand(interpreter_entry_return_pc_offset->value() +
-                         Code::kHeaderSize - kHeapObjectTag));
-
-  // Initialize the dispatch table register.
-  __ mov(kInterpreterDispatchTableRegister,
-         Operand(ExternalReference::interpreter_dispatch_table_address(
-             masm->isolate())));
-
-  // Get the bytecode array pointer from the frame.
-  __ ldr(kInterpreterBytecodeArrayRegister,
-         MemOperand(fp, InterpreterFrameConstants::kBytecodeArrayFromFp));
-
-  if (FLAG_debug_code) {
-    // Check function data field is actually a BytecodeArray object.
-    __ SmiTst(kInterpreterBytecodeArrayRegister);
-    __ Assert(ne, kFunctionDataShouldBeBytecodeArrayOnInterpreterEntry);
-    __ CompareObjectType(kInterpreterBytecodeArrayRegister, r1, no_reg,
-                         BYTECODE_ARRAY_TYPE);
-    __ Assert(eq, kFunctionDataShouldBeBytecodeArrayOnInterpreterEntry);
-  }
-
-  // Get the target bytecode offset from the frame.
-  __ ldr(kInterpreterBytecodeOffsetRegister,
-         MemOperand(fp, InterpreterFrameConstants::kBytecodeOffsetFromFp));
-  __ SmiUntag(kInterpreterBytecodeOffsetRegister);
-
-  // Dispatch to the target bytecode.
-  __ ldrb(r1, MemOperand(kInterpreterBytecodeArrayRegister,
-                         kInterpreterBytecodeOffsetRegister));
-  __ ldr(ip, MemOperand(kInterpreterDispatchTableRegister, r1, LSL,
-                        kPointerSizeLog2));
-  __ mov(pc, ip);
-}
-
-void Builtins::Generate_CompileLazy(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r0 : argument count (preserved for callee)
-  //  -- r3 : new target (preserved for callee)
-  //  -- r1 : 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 argument_count = r0;
-  Register closure = r1;
-  Register new_target = r3;
-  __ push(argument_count);
-  __ push(new_target);
-  __ push(closure);
-
-  Register map = argument_count;
-  Register index = r2;
-  __ ldr(map, FieldMemOperand(closure, JSFunction::kSharedFunctionInfoOffset));
-  __ ldr(map,
-         FieldMemOperand(map, SharedFunctionInfo::kOptimizedCodeMapOffset));
-  __ ldr(index, FieldMemOperand(map, FixedArray::kLengthOffset));
-  __ cmp(index, Operand(Smi::FromInt(2)));
-  __ b(lt, &gotta_call_runtime);
-
-  // Find literals.
-  // r3  : native context
-  // r2  : length / index
-  // r0  : optimized code map
-  // stack[0] : new target
-  // stack[4] : closure
-  Register native_context = r3;
-  __ ldr(native_context, NativeContextMemOperand());
-
-  __ bind(&loop_top);
-  Register temp = r1;
-  Register array_pointer = r5;
-
-  // Does the native context match?
-  __ add(array_pointer, map, Operand::PointerOffsetFromSmiKey(index));
-  __ ldr(temp, FieldMemOperand(array_pointer,
-                               SharedFunctionInfo::kOffsetToPreviousContext));
-  __ ldr(temp, FieldMemOperand(temp, WeakCell::kValueOffset));
-  __ cmp(temp, native_context);
-  __ b(ne, &loop_bottom);
-  // OSR id set to none?
-  __ ldr(temp, FieldMemOperand(array_pointer,
-                               SharedFunctionInfo::kOffsetToPreviousOsrAstId));
-  const int bailout_id = BailoutId::None().ToInt();
-  __ cmp(temp, Operand(Smi::FromInt(bailout_id)));
-  __ b(ne, &loop_bottom);
-
-  // Literals available?
-  Label got_literals, maybe_cleared_weakcell;
-  __ ldr(temp, FieldMemOperand(array_pointer,
-                               SharedFunctionInfo::kOffsetToPreviousLiterals));
-  // temp contains either a WeakCell pointing to the literals array or the
-  // literals array directly.
-  STATIC_ASSERT(WeakCell::kValueOffset == FixedArray::kLengthOffset);
-  __ ldr(r4, FieldMemOperand(temp, WeakCell::kValueOffset));
-  __ JumpIfSmi(r4, &maybe_cleared_weakcell);
-  // r4 is a pointer, therefore temp is a WeakCell pointing to a literals array.
-  __ ldr(temp, FieldMemOperand(temp, WeakCell::kValueOffset));
-  __ jmp(&got_literals);
-
-  // r4 is 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(r4, Operand(Smi::FromInt(0)));
-  __ b(eq, &gotta_call_runtime);
-
-  // Save the literals in the closure.
-  __ bind(&got_literals);
-  __ ldr(r4, MemOperand(sp, 0));
-  __ str(temp, FieldMemOperand(r4, JSFunction::kLiteralsOffset));
-  __ push(index);
-  __ RecordWriteField(r4, JSFunction::kLiteralsOffset, temp, index,
-                      kLRHasNotBeenSaved, kDontSaveFPRegs, EMIT_REMEMBERED_SET,
-                      OMIT_SMI_CHECK);
-  __ pop(index);
-
-  // Code available?
-  Register entry = r4;
-  __ ldr(entry,
-         FieldMemOperand(array_pointer,
-                         SharedFunctionInfo::kOffsetToPreviousCachedCode));
-  __ ldr(entry, FieldMemOperand(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.
-  __ add(entry, entry, Operand(Code::kHeaderSize - kHeapObjectTag));
-
-  Label install_optimized_code_and_tailcall;
-  __ bind(&install_optimized_code_and_tailcall);
-  __ str(entry, FieldMemOperand(closure, JSFunction::kCodeEntryOffset));
-  __ RecordWriteCodeEntryField(closure, entry, r5);
-
-  // Link the closure into the optimized function list.
-  // r4 : code entry
-  // r3 : native context
-  // r1 : closure
-  __ ldr(r5,
-         ContextMemOperand(native_context, Context::OPTIMIZED_FUNCTIONS_LIST));
-  __ str(r5, FieldMemOperand(closure, JSFunction::kNextFunctionLinkOffset));
-  __ RecordWriteField(closure, JSFunction::kNextFunctionLinkOffset, r5, r0,
-                      kLRHasNotBeenSaved, kDontSaveFPRegs, EMIT_REMEMBERED_SET,
-                      OMIT_SMI_CHECK);
-  const int function_list_offset =
-      Context::SlotOffset(Context::OPTIMIZED_FUNCTIONS_LIST);
-  __ str(closure,
-         ContextMemOperand(native_context, Context::OPTIMIZED_FUNCTIONS_LIST));
-  // Save closure before the write barrier.
-  __ mov(r5, closure);
-  __ RecordWriteContextSlot(native_context, function_list_offset, closure, r0,
-                            kLRHasNotBeenSaved, kDontSaveFPRegs);
-  __ mov(closure, r5);
-  __ pop(new_target);
-  __ pop(argument_count);
-  __ Jump(entry);
-
-  __ bind(&loop_bottom);
-  __ sub(index, index, Operand(Smi::FromInt(SharedFunctionInfo::kEntryLength)));
-  __ cmp(index, Operand(Smi::FromInt(1)));
-  __ b(gt, &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.
-  __ ldr(entry, FieldMemOperand(map, FixedArray::kHeaderSize +
-                                         SharedFunctionInfo::kSharedCodeIndex));
-  __ ldr(entry, FieldMemOperand(entry, WeakCell::kValueOffset));
-  __ JumpIfSmi(entry, &try_shared);
-
-  // Store code entry in the closure.
-  __ add(entry, entry, Operand(Code::kHeaderSize - kHeapObjectTag));
-  __ jmp(&install_optimized_code_and_tailcall);
-
-  __ bind(&try_shared);
-  __ pop(new_target);
-  __ pop(argument_count);
-  // Is the full code valid?
-  __ ldr(entry,
-         FieldMemOperand(closure, JSFunction::kSharedFunctionInfoOffset));
-  __ ldr(entry, FieldMemOperand(entry, SharedFunctionInfo::kCodeOffset));
-  __ ldr(r5, FieldMemOperand(entry, Code::kFlagsOffset));
-  __ and_(r5, r5, Operand(Code::KindField::kMask));
-  __ mov(r5, Operand(r5, LSR, Code::KindField::kShift));
-  __ cmp(r5, Operand(Code::BUILTIN));
-  __ b(eq, &gotta_call_runtime_no_stack);
-  // Yes, install the full code.
-  __ add(entry, entry, Operand(Code::kHeaderSize - kHeapObjectTag));
-  __ str(entry, FieldMemOperand(closure, JSFunction::kCodeEntryOffset));
-  __ RecordWriteCodeEntryField(closure, entry, r5);
-  __ Jump(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 -------------
-  //  -- r0 : argument count (preserved for callee)
-  //  -- r1 : new target (preserved for callee)
-  //  -- r3 : target function (preserved for callee)
-  // -----------------------------------
-  Label failed;
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
-    // Push the number of arguments to the callee.
-    __ SmiTag(r0);
-    __ push(r0);
-    // Push a copy of the target function and the new target.
-    __ push(r1);
-    __ push(r3);
-
-    // The function.
-    __ push(r1);
-    // Copy arguments from caller (stdlib, foreign, heap).
-    for (int i = 2; i >= 0; --i) {
-      __ ldr(r4, MemOperand(fp, StandardFrameConstants::kCallerSPOffset +
-                                    i * kPointerSize));
-      __ push(r4);
-    }
-    // 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(r0, &failed);
-    scope.GenerateLeaveFrame();
-    __ Drop(4);
-    __ Ret();
-
-    __ bind(&failed);
-    // Restore target function and new target.
-    __ pop(r3);
-    __ pop(r1);
-    __ pop(r0);
-    __ SmiUntag(r0);
-  }
-  // 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.
-
-  // The following registers must be saved and restored when calling through to
-  // the runtime:
-  //   r0 - contains return address (beginning of patch sequence)
-  //   r1 - isolate
-  //   r3 - new target
-  FrameScope scope(masm, StackFrame::MANUAL);
-  __ stm(db_w, sp, r0.bit() | r1.bit() | r3.bit() | fp.bit() | lr.bit());
-  __ PrepareCallCFunction(2, 0, r2);
-  __ mov(r1, Operand(ExternalReference::isolate_address(masm->isolate())));
-  __ CallCFunction(
-      ExternalReference::get_make_code_young_function(masm->isolate()), 2);
-  __ ldm(ia_w, sp, r0.bit() | r1.bit() | r3.bit() | fp.bit() | lr.bit());
-  __ mov(pc, r0);
-}
-
-#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.
-
-  // The following registers must be saved and restored when calling through to
-  // the runtime:
-  //   r0 - contains return address (beginning of patch sequence)
-  //   r1 - isolate
-  //   r3 - new target
-  FrameScope scope(masm, StackFrame::MANUAL);
-  __ stm(db_w, sp, r0.bit() | r1.bit() | r3.bit() | fp.bit() | lr.bit());
-  __ PrepareCallCFunction(2, 0, r2);
-  __ mov(r1, Operand(ExternalReference::isolate_address(masm->isolate())));
-  __ CallCFunction(ExternalReference::get_mark_code_as_executed_function(
-        masm->isolate()), 2);
-  __ ldm(ia_w, sp, r0.bit() | r1.bit() | r3.bit() | fp.bit() | lr.bit());
-
-  // Perform prologue operations usually performed by the young code stub.
-  __ PushStandardFrame(r1);
-
-  // Jump to point after the code-age stub.
-  __ add(r0, r0, Operand(kNoCodeAgeSequenceLength));
-  __ mov(pc, r0);
-}
-
-
-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) {
-  {
-    FrameAndConstantPoolScope 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.
-    __ stm(db_w, sp, kJSCallerSaved | kCalleeSaved);
-    // Pass the function and deoptimization type to the runtime system.
-    __ CallRuntime(Runtime::kNotifyStubFailure, save_doubles);
-    __ ldm(ia_w, sp, kJSCallerSaved | kCalleeSaved);
-  }
-
-  __ add(sp, sp, Operand(kPointerSize));  // Ignore state
-  __ mov(pc, lr);  // Jump to miss handler
-}
-
-
-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) {
-  {
-    FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
-    // Pass the function and deoptimization type to the runtime system.
-    __ mov(r0, Operand(Smi::FromInt(static_cast<int>(type))));
-    __ push(r0);
-    __ CallRuntime(Runtime::kNotifyDeoptimized);
-  }
-
-  // Get the full codegen state from the stack and untag it -> r6.
-  __ ldr(r6, MemOperand(sp, 0 * kPointerSize));
-  __ SmiUntag(r6);
-  // Switch on the state.
-  Label with_tos_register, unknown_state;
-  __ cmp(r6,
-         Operand(static_cast<int>(Deoptimizer::BailoutState::NO_REGISTERS)));
-  __ b(ne, &with_tos_register);
-  __ add(sp, sp, Operand(1 * kPointerSize));  // Remove state.
-  __ Ret();
-
-  __ bind(&with_tos_register);
-  DCHECK_EQ(kInterpreterAccumulatorRegister.code(), r0.code());
-  __ ldr(r0, MemOperand(sp, 1 * kPointerSize));
-  __ cmp(r6,
-         Operand(static_cast<int>(Deoptimizer::BailoutState::TOS_REGISTER)));
-  __ b(ne, &unknown_state);
-  __ add(sp, sp, Operand(2 * kPointerSize));  // Remove state.
-  __ Ret();
-
-  __ bind(&unknown_state);
-  __ stop("no cases left");
-}
-
-
-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 CompatibleReceiverCheck(MacroAssembler* masm, Register receiver,
-                                    Register function_template_info,
-                                    Register scratch0, Register scratch1,
-                                    Register scratch2,
-                                    Label* receiver_check_failed) {
-  Register signature = scratch0;
-  Register map = scratch1;
-  Register constructor = scratch2;
-
-  // If there is no signature, return the holder.
-  __ ldr(signature, FieldMemOperand(function_template_info,
-                                    FunctionTemplateInfo::kSignatureOffset));
-  __ CompareRoot(signature, Heap::kUndefinedValueRootIndex);
-  Label receiver_check_passed;
-  __ b(eq, &receiver_check_passed);
-
-  // Walk the prototype chain.
-  __ ldr(map, FieldMemOperand(receiver, HeapObject::kMapOffset));
-  Label prototype_loop_start;
-  __ bind(&prototype_loop_start);
-
-  // Get the constructor, if any.
-  __ GetMapConstructor(constructor, map, ip, ip);
-  __ cmp(ip, Operand(JS_FUNCTION_TYPE));
-  Label next_prototype;
-  __ b(ne, &next_prototype);
-  Register type = constructor;
-  __ ldr(type,
-         FieldMemOperand(constructor, JSFunction::kSharedFunctionInfoOffset));
-  __ ldr(type, FieldMemOperand(type, 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(signature, type);
-  __ b(eq, &receiver_check_passed);
-
-  // If the current type is not a FunctionTemplateInfo, load the next prototype
-  // in the chain.
-  __ JumpIfSmi(type, &next_prototype);
-  __ CompareObjectType(type, ip, ip, FUNCTION_TEMPLATE_INFO_TYPE);
-
-  // Otherwise load the parent function template and iterate.
-  __ ldr(type,
-         FieldMemOperand(type, FunctionTemplateInfo::kParentTemplateOffset),
-         eq);
-  __ b(&function_template_loop, eq);
-
-  // Load the next prototype.
-  __ bind(&next_prototype);
-  __ ldr(ip, FieldMemOperand(map, Map::kBitField3Offset));
-  __ tst(ip, Operand(Map::HasHiddenPrototype::kMask));
-  __ b(eq, receiver_check_failed);
-  __ ldr(receiver, FieldMemOperand(map, Map::kPrototypeOffset));
-  __ ldr(map, FieldMemOperand(receiver, HeapObject::kMapOffset));
-  // Iterate.
-  __ b(&prototype_loop_start);
-
-  __ bind(&receiver_check_passed);
-}
-
-
-void Builtins::Generate_HandleFastApiCall(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r0                 : number of arguments excluding receiver
-  //  -- r1                 : callee
-  //  -- lr                 : return address
-  //  -- sp[0]              : last argument
-  //  -- ...
-  //  -- sp[4 * (argc - 1)] : first argument
-  //  -- sp[4 * argc]       : receiver
-  // -----------------------------------
-
-  // Load the FunctionTemplateInfo.
-  __ ldr(r3, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
-  __ ldr(r3, FieldMemOperand(r3, SharedFunctionInfo::kFunctionDataOffset));
-
-  // Do the compatible receiver check.
-  Label receiver_check_failed;
-  __ ldr(r2, MemOperand(sp, r0, LSL, kPointerSizeLog2));
-  CompatibleReceiverCheck(masm, r2, r3, r4, r5, r6, &receiver_check_failed);
-
-  // Get the callback offset from the FunctionTemplateInfo, and jump to the
-  // beginning of the code.
-  __ ldr(r4, FieldMemOperand(r3, FunctionTemplateInfo::kCallCodeOffset));
-  __ ldr(r4, FieldMemOperand(r4, CallHandlerInfo::kFastHandlerOffset));
-  __ add(r4, r4, Operand(Code::kHeaderSize - kHeapObjectTag));
-  __ Jump(r4);
-
-  // Compatible receiver check failed: throw an Illegal Invocation exception.
-  __ bind(&receiver_check_failed);
-  // Drop the arguments (including the receiver)
-  __ add(r0, r0, Operand(1));
-  __ add(sp, sp, Operand(r0, LSL, kPointerSizeLog2));
-  __ TailCallRuntime(Runtime::kThrowIllegalInvocation);
-}
-
-
-void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) {
-  // Lookup the function in the JavaScript frame.
-  __ ldr(r0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
-  {
-    FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
-    // Pass function as argument.
-    __ push(r0);
-    __ CallRuntime(Runtime::kCompileForOnStackReplacement);
-  }
-
-  // If the code object is null, just return to the unoptimized code.
-  Label skip;
-  __ cmp(r0, Operand(Smi::FromInt(0)));
-  __ b(ne, &skip);
-  __ Ret();
-
-  __ bind(&skip);
-
-  // Load deoptimization data from the code object.
-  // <deopt_data> = <code>[#deoptimization_data_offset]
-  __ ldr(r1, FieldMemOperand(r0, Code::kDeoptimizationDataOffset));
-
-  { ConstantPoolUnavailableScope constant_pool_unavailable(masm);
-    __ add(r0, r0, Operand(Code::kHeaderSize - kHeapObjectTag));  // Code start
-
-    if (FLAG_enable_embedded_constant_pool) {
-      __ LoadConstantPoolPointerRegisterFromCodeTargetAddress(r0);
-    }
-
-    // Load the OSR entrypoint offset from the deoptimization data.
-    // <osr_offset> = <deopt_data>[#header_size + #osr_pc_offset]
-    __ ldr(r1, FieldMemOperand(r1, FixedArray::OffsetOfElementAt(
-        DeoptimizationInputData::kOsrPcOffsetIndex)));
-
-    // Compute the target address = code start + osr_offset
-    __ add(lr, r0, Operand::SmiUntag(r1));
-
-    // And "return" to the OSR entry point of the function.
-    __ Ret();
-  }
-}
-
-
-// static
-void Builtins::Generate_DatePrototype_GetField(MacroAssembler* masm,
-                                               int field_index) {
-  // ----------- S t a t e -------------
-  //  -- r0    : number of arguments
-  //  -- r1    : function
-  //  -- cp    : context
-  //  -- lr    : return address
-  //  -- sp[0] : receiver
-  // -----------------------------------
-
-  // 1. Pop receiver into r0 and check that it's actually a JSDate object.
-  Label receiver_not_date;
-  {
-    __ Pop(r0);
-    __ JumpIfSmi(r0, &receiver_not_date);
-    __ CompareObjectType(r0, r2, r3, JS_DATE_TYPE);
-    __ b(ne, &receiver_not_date);
-  }
-
-  // 2. Load the specified date field, falling back to the runtime as necessary.
-  if (field_index == JSDate::kDateValue) {
-    __ ldr(r0, FieldMemOperand(r0, JSDate::kValueOffset));
-  } else {
-    if (field_index < JSDate::kFirstUncachedField) {
-      Label stamp_mismatch;
-      __ mov(r1, Operand(ExternalReference::date_cache_stamp(masm->isolate())));
-      __ ldr(r1, MemOperand(r1));
-      __ ldr(ip, FieldMemOperand(r0, JSDate::kCacheStampOffset));
-      __ cmp(r1, ip);
-      __ b(ne, &stamp_mismatch);
-      __ ldr(r0, FieldMemOperand(
-                     r0, JSDate::kValueOffset + field_index * kPointerSize));
-      __ Ret();
-      __ bind(&stamp_mismatch);
-    }
-    FrameScope scope(masm, StackFrame::INTERNAL);
-    __ PrepareCallCFunction(2, r1);
-    __ mov(r1, Operand(Smi::FromInt(field_index)));
-    __ CallCFunction(
-        ExternalReference::get_date_field_function(masm->isolate()), 2);
-  }
-  __ Ret();
-
-  // 3. Raise a TypeError if the receiver is not a date.
-  __ bind(&receiver_not_date);
-  {
-    FrameScope scope(masm, StackFrame::MANUAL);
-    __ Push(r0);
-    __ Move(r0, Smi::FromInt(0));
-    __ EnterBuiltinFrame(cp, r1, r0);
-    __ CallRuntime(Runtime::kThrowNotDateError);
-  }
-}
-
-// static
-void Builtins::Generate_FunctionPrototypeApply(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r0    : argc
-  //  -- sp[0] : argArray
-  //  -- sp[4] : thisArg
-  //  -- sp[8] : receiver
-  // -----------------------------------
-
-  // 1. Load receiver into r1, argArray into r0 (if present), remove all
-  // arguments from the stack (including the receiver), and push thisArg (if
-  // present) instead.
-  {
-    __ LoadRoot(r2, Heap::kUndefinedValueRootIndex);
-    __ mov(r3, r2);
-    __ ldr(r1, MemOperand(sp, r0, LSL, kPointerSizeLog2));  // receiver
-    __ sub(r4, r0, Operand(1), SetCC);
-    __ ldr(r2, MemOperand(sp, r4, LSL, kPointerSizeLog2), ge);  // thisArg
-    __ sub(r4, r4, Operand(1), SetCC, ge);
-    __ ldr(r3, MemOperand(sp, r4, LSL, kPointerSizeLog2), ge);  // argArray
-    __ add(sp, sp, Operand(r0, LSL, kPointerSizeLog2));
-    __ str(r2, MemOperand(sp, 0));
-    __ mov(r0, r3);
-  }
-
-  // ----------- S t a t e -------------
-  //  -- r0    : argArray
-  //  -- r1    : receiver
-  //  -- sp[0] : thisArg
-  // -----------------------------------
-
-  // 2. Make sure the receiver is actually callable.
-  Label receiver_not_callable;
-  __ JumpIfSmi(r1, &receiver_not_callable);
-  __ ldr(r4, FieldMemOperand(r1, HeapObject::kMapOffset));
-  __ ldrb(r4, FieldMemOperand(r4, Map::kBitFieldOffset));
-  __ tst(r4, Operand(1 << Map::kIsCallable));
-  __ b(eq, &receiver_not_callable);
-
-  // 3. Tail call with no arguments if argArray is null or undefined.
-  Label no_arguments;
-  __ JumpIfRoot(r0, Heap::kNullValueRootIndex, &no_arguments);
-  __ JumpIfRoot(r0, Heap::kUndefinedValueRootIndex, &no_arguments);
-
-  // 4a. Apply the receiver to the given argArray (passing undefined for
-  // new.target).
-  __ LoadRoot(r3, 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);
-  {
-    __ mov(r0, Operand(0));
-    __ Jump(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
-  }
-
-  // 4c. The receiver is not callable, throw an appropriate TypeError.
-  __ bind(&receiver_not_callable);
-  {
-    __ str(r1, MemOperand(sp, 0));
-    __ TailCallRuntime(Runtime::kThrowApplyNonFunction);
-  }
-}
-
-
-// static
-void Builtins::Generate_FunctionPrototypeCall(MacroAssembler* masm) {
-  // 1. Make sure we have at least one argument.
-  // r0: actual number of arguments
-  {
-    Label done;
-    __ cmp(r0, Operand::Zero());
-    __ b(ne, &done);
-    __ PushRoot(Heap::kUndefinedValueRootIndex);
-    __ add(r0, r0, Operand(1));
-    __ bind(&done);
-  }
-
-  // 2. Get the callable to call (passed as receiver) from the stack.
-  // r0: actual number of arguments
-  __ ldr(r1, MemOperand(sp, r0, LSL, kPointerSizeLog2));
-
-  // 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.
-  // r0: actual number of arguments
-  // r1: callable
-  {
-    Label loop;
-    // Calculate the copy start address (destination). Copy end address is sp.
-    __ add(r2, sp, Operand(r0, LSL, kPointerSizeLog2));
-
-    __ bind(&loop);
-    __ ldr(ip, MemOperand(r2, -kPointerSize));
-    __ str(ip, MemOperand(r2));
-    __ sub(r2, r2, Operand(kPointerSize));
-    __ cmp(r2, sp);
-    __ b(ne, &loop);
-    // Adjust the actual number of arguments and remove the top element
-    // (which is a copy of the last argument).
-    __ sub(r0, r0, Operand(1));
-    __ pop();
-  }
-
-  // 4. Call the callable.
-  __ Jump(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
-}
-
-
-void Builtins::Generate_ReflectApply(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r0     : argc
-  //  -- sp[0]  : argumentsList
-  //  -- sp[4]  : thisArgument
-  //  -- sp[8]  : target
-  //  -- sp[12] : receiver
-  // -----------------------------------
-
-  // 1. Load target into r1 (if present), argumentsList into r0 (if present),
-  // remove all arguments from the stack (including the receiver), and push
-  // thisArgument (if present) instead.
-  {
-    __ LoadRoot(r1, Heap::kUndefinedValueRootIndex);
-    __ mov(r2, r1);
-    __ mov(r3, r1);
-    __ sub(r4, r0, Operand(1), SetCC);
-    __ ldr(r1, MemOperand(sp, r4, LSL, kPointerSizeLog2), ge);  // target
-    __ sub(r4, r4, Operand(1), SetCC, ge);
-    __ ldr(r2, MemOperand(sp, r4, LSL, kPointerSizeLog2), ge);  // thisArgument
-    __ sub(r4, r4, Operand(1), SetCC, ge);
-    __ ldr(r3, MemOperand(sp, r4, LSL, kPointerSizeLog2), ge);  // argumentsList
-    __ add(sp, sp, Operand(r0, LSL, kPointerSizeLog2));
-    __ str(r2, MemOperand(sp, 0));
-    __ mov(r0, r3);
-  }
-
-  // ----------- S t a t e -------------
-  //  -- r0    : argumentsList
-  //  -- r1    : target
-  //  -- sp[0] : thisArgument
-  // -----------------------------------
-
-  // 2. Make sure the target is actually callable.
-  Label target_not_callable;
-  __ JumpIfSmi(r1, &target_not_callable);
-  __ ldr(r4, FieldMemOperand(r1, HeapObject::kMapOffset));
-  __ ldrb(r4, FieldMemOperand(r4, Map::kBitFieldOffset));
-  __ tst(r4, Operand(1 << Map::kIsCallable));
-  __ b(eq, &target_not_callable);
-
-  // 3a. Apply the target to the given argumentsList (passing undefined for
-  // new.target).
-  __ LoadRoot(r3, Heap::kUndefinedValueRootIndex);
-  __ Jump(masm->isolate()->builtins()->Apply(), RelocInfo::CODE_TARGET);
-
-  // 3b. The target is not callable, throw an appropriate TypeError.
-  __ bind(&target_not_callable);
-  {
-    __ str(r1, MemOperand(sp, 0));
-    __ TailCallRuntime(Runtime::kThrowApplyNonFunction);
-  }
-}
-
-
-void Builtins::Generate_ReflectConstruct(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r0     : argc
-  //  -- sp[0]  : new.target (optional)
-  //  -- sp[4]  : argumentsList
-  //  -- sp[8]  : target
-  //  -- sp[12] : receiver
-  // -----------------------------------
-
-  // 1. Load target into r1 (if present), argumentsList into r0 (if present),
-  // new.target into r3 (if present, otherwise use target), remove all
-  // arguments from the stack (including the receiver), and push thisArgument
-  // (if present) instead.
-  {
-    __ LoadRoot(r1, Heap::kUndefinedValueRootIndex);
-    __ mov(r2, r1);
-    __ str(r2, MemOperand(sp, r0, LSL, kPointerSizeLog2));  // receiver
-    __ sub(r4, r0, Operand(1), SetCC);
-    __ ldr(r1, MemOperand(sp, r4, LSL, kPointerSizeLog2), ge);  // target
-    __ mov(r3, r1);  // new.target defaults to target
-    __ sub(r4, r4, Operand(1), SetCC, ge);
-    __ ldr(r2, MemOperand(sp, r4, LSL, kPointerSizeLog2), ge);  // argumentsList
-    __ sub(r4, r4, Operand(1), SetCC, ge);
-    __ ldr(r3, MemOperand(sp, r4, LSL, kPointerSizeLog2), ge);  // new.target
-    __ add(sp, sp, Operand(r0, LSL, kPointerSizeLog2));
-    __ mov(r0, r2);
-  }
-
-  // ----------- S t a t e -------------
-  //  -- r0    : argumentsList
-  //  -- r3    : new.target
-  //  -- r1    : target
-  //  -- sp[0] : receiver (undefined)
-  // -----------------------------------
-
-  // 2. Make sure the target is actually a constructor.
-  Label target_not_constructor;
-  __ JumpIfSmi(r1, &target_not_constructor);
-  __ ldr(r4, FieldMemOperand(r1, HeapObject::kMapOffset));
-  __ ldrb(r4, FieldMemOperand(r4, Map::kBitFieldOffset));
-  __ tst(r4, Operand(1 << Map::kIsConstructor));
-  __ b(eq, &target_not_constructor);
-
-  // 3. Make sure the target is actually a constructor.
-  Label new_target_not_constructor;
-  __ JumpIfSmi(r3, &new_target_not_constructor);
-  __ ldr(r4, FieldMemOperand(r3, HeapObject::kMapOffset));
-  __ ldrb(r4, FieldMemOperand(r4, Map::kBitFieldOffset));
-  __ tst(r4, Operand(1 << Map::kIsConstructor));
-  __ b(eq, &new_target_not_constructor);
-
-  // 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);
-  {
-    __ str(r1, MemOperand(sp, 0));
-    __ TailCallRuntime(Runtime::kThrowCalledNonCallable);
-  }
-
-  // 4c. The new.target is not a constructor, throw an appropriate TypeError.
-  __ bind(&new_target_not_constructor);
-  {
-    __ str(r3, MemOperand(sp, 0));
-    __ TailCallRuntime(Runtime::kThrowCalledNonCallable);
-  }
-}
-
-
-static void ArgumentAdaptorStackCheck(MacroAssembler* masm,
-                                      Label* stack_overflow) {
-  // ----------- S t a t e -------------
-  //  -- r0 : actual number of arguments
-  //  -- r1 : function (passed through to callee)
-  //  -- r2 : expected number of arguments
-  //  -- r3 : 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.
-  __ LoadRoot(r5, Heap::kRealStackLimitRootIndex);
-  // Make r5 the space we have left. The stack might already be overflowed
-  // here which will cause r5 to become negative.
-  __ sub(r5, sp, r5);
-  // Check if the arguments will overflow the stack.
-  __ cmp(r5, Operand(r2, LSL, kPointerSizeLog2));
-  __ b(le, stack_overflow);  // Signed comparison.
-}
-
-
-static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) {
-  __ SmiTag(r0);
-  __ mov(r4, Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
-  __ stm(db_w, sp, r0.bit() | r1.bit() | r4.bit() |
-                       (FLAG_enable_embedded_constant_pool ? pp.bit() : 0) |
-                       fp.bit() | lr.bit());
-  __ add(fp, sp,
-         Operand(StandardFrameConstants::kFixedFrameSizeFromFp + kPointerSize));
-}
-
-
-static void LeaveArgumentsAdaptorFrame(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r0 : result being passed through
-  // -----------------------------------
-  // Get the number of arguments passed (as a smi), tear down the frame and
-  // then tear down the parameters.
-  __ ldr(r1, MemOperand(fp, -(StandardFrameConstants::kFixedFrameSizeFromFp +
-                              kPointerSize)));
-
-  __ LeaveFrame(StackFrame::ARGUMENTS_ADAPTOR);
-  __ add(sp, sp, Operand::PointerOffsetFromSmiKey(r1));
-  __ add(sp, sp, Operand(kPointerSize));  // adjust for receiver
-}
-
-
-// static
-void Builtins::Generate_Apply(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r0    : argumentsList
-  //  -- r1    : target
-  //  -- r3    : new.target (checked to be constructor or undefined)
-  //  -- sp[0] : thisArgument
-  // -----------------------------------
-
-  // Create the list of arguments from the array-like argumentsList.
-  {
-    Label create_arguments, create_array, create_runtime, done_create;
-    __ JumpIfSmi(r0, &create_runtime);
-
-    // Load the map of argumentsList into r2.
-    __ ldr(r2, FieldMemOperand(r0, HeapObject::kMapOffset));
-
-    // Load native context into r4.
-    __ ldr(r4, NativeContextMemOperand());
-
-    // Check if argumentsList is an (unmodified) arguments object.
-    __ ldr(ip, ContextMemOperand(r4, Context::SLOPPY_ARGUMENTS_MAP_INDEX));
-    __ cmp(ip, r2);
-    __ b(eq, &create_arguments);
-    __ ldr(ip, ContextMemOperand(r4, Context::STRICT_ARGUMENTS_MAP_INDEX));
-    __ cmp(ip, r2);
-    __ b(eq, &create_arguments);
-
-    // Check if argumentsList is a fast JSArray.
-    __ CompareInstanceType(r2, ip, JS_ARRAY_TYPE);
-    __ b(eq, &create_array);
-
-    // Ask the runtime to create the list (actually a FixedArray).
-    __ bind(&create_runtime);
-    {
-      FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
-      __ Push(r1, r3, r0);
-      __ CallRuntime(Runtime::kCreateListFromArrayLike);
-      __ Pop(r1, r3);
-      __ ldr(r2, FieldMemOperand(r0, FixedArray::kLengthOffset));
-      __ SmiUntag(r2);
-    }
-    __ jmp(&done_create);
-
-    // Try to create the list from an arguments object.
-    __ bind(&create_arguments);
-    __ ldr(r2, FieldMemOperand(r0, JSArgumentsObject::kLengthOffset));
-    __ ldr(r4, FieldMemOperand(r0, JSObject::kElementsOffset));
-    __ ldr(ip, FieldMemOperand(r4, FixedArray::kLengthOffset));
-    __ cmp(r2, ip);
-    __ b(ne, &create_runtime);
-    __ SmiUntag(r2);
-    __ mov(r0, r4);
-    __ b(&done_create);
-
-    // Try to create the list from a JSArray object.
-    __ bind(&create_array);
-    __ ldr(r2, FieldMemOperand(r2, Map::kBitField2Offset));
-    __ DecodeField<Map::ElementsKindBits>(r2);
-    STATIC_ASSERT(FAST_SMI_ELEMENTS == 0);
-    STATIC_ASSERT(FAST_HOLEY_SMI_ELEMENTS == 1);
-    STATIC_ASSERT(FAST_ELEMENTS == 2);
-    __ cmp(r2, Operand(FAST_ELEMENTS));
-    __ b(hi, &create_runtime);
-    __ cmp(r2, Operand(FAST_HOLEY_SMI_ELEMENTS));
-    __ b(eq, &create_runtime);
-    __ ldr(r2, FieldMemOperand(r0, JSArray::kLengthOffset));
-    __ ldr(r0, FieldMemOperand(r0, JSArray::kElementsOffset));
-    __ SmiUntag(r2);
-
-    __ 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;
-    __ LoadRoot(ip, Heap::kRealStackLimitRootIndex);
-    // Make ip the space we have left. The stack might already be overflowed
-    // here which will cause ip to become negative.
-    __ sub(ip, sp, ip);
-    // Check if the arguments will overflow the stack.
-    __ cmp(ip, Operand(r2, LSL, kPointerSizeLog2));
-    __ b(gt, &done);  // Signed comparison.
-    __ TailCallRuntime(Runtime::kThrowStackOverflow);
-    __ bind(&done);
-  }
-
-  // ----------- S t a t e -------------
-  //  -- r1    : target
-  //  -- r0    : args (a FixedArray built from argumentsList)
-  //  -- r2    : len (number of elements to push from args)
-  //  -- r3    : new.target (checked to be constructor or undefined)
-  //  -- sp[0] : thisArgument
-  // -----------------------------------
-
-  // Push arguments onto the stack (thisArgument is already on the stack).
-  {
-    __ mov(r4, Operand(0));
-    Label done, loop;
-    __ bind(&loop);
-    __ cmp(r4, r2);
-    __ b(eq, &done);
-    __ add(ip, r0, Operand(r4, LSL, kPointerSizeLog2));
-    __ ldr(ip, FieldMemOperand(ip, FixedArray::kHeaderSize));
-    __ Push(ip);
-    __ add(r4, r4, Operand(1));
-    __ b(&loop);
-    __ bind(&done);
-    __ Move(r0, r4);
-  }
-
-  // Dispatch to Call or Construct depending on whether new.target is undefined.
-  {
-    __ CompareRoot(r3, Heap::kUndefinedValueRootIndex);
-    __ Jump(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET, eq);
-    __ 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   <- sp (f()'s caller pc is not on the stack yet!)
-// ----------------------
-//
-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());
-  __ mov(scratch1, Operand(is_tail_call_elimination_enabled));
-  __ ldrb(scratch1, MemOperand(scratch1));
-  __ cmp(scratch1, Operand(0));
-  __ b(eq, &done);
-
-  // Drop possible interpreter handler/stub frame.
-  {
-    Label no_interpreter_frame;
-    __ ldr(scratch3,
-           MemOperand(fp, CommonFrameConstants::kContextOrFrameTypeOffset));
-    __ cmp(scratch3, Operand(Smi::FromInt(StackFrame::STUB)));
-    __ b(ne, &no_interpreter_frame);
-    __ ldr(fp, MemOperand(fp, 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;
-  __ ldr(scratch2, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
-  __ ldr(scratch3,
-         MemOperand(scratch2, CommonFrameConstants::kContextOrFrameTypeOffset));
-  __ cmp(scratch3, Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
-  __ b(ne, &no_arguments_adaptor);
-
-  // Drop current frame and load arguments count from arguments adaptor frame.
-  __ mov(fp, scratch2);
-  __ ldr(caller_args_count_reg,
-         MemOperand(fp, ArgumentsAdaptorFrameConstants::kLengthOffset));
-  __ SmiUntag(caller_args_count_reg);
-  __ b(&formal_parameter_count_loaded);
-
-  __ bind(&no_arguments_adaptor);
-  // Load caller's formal parameter count
-  __ ldr(scratch1,
-         MemOperand(fp, ArgumentsAdaptorFrameConstants::kFunctionOffset));
-  __ ldr(scratch1,
-         FieldMemOperand(scratch1, JSFunction::kSharedFunctionInfoOffset));
-  __ ldr(caller_args_count_reg,
-         FieldMemOperand(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);
-  __ bind(&done);
-}
-}  // namespace
-
-// static
-void Builtins::Generate_CallFunction(MacroAssembler* masm,
-                                     ConvertReceiverMode mode,
-                                     TailCallMode tail_call_mode) {
-  // ----------- S t a t e -------------
-  //  -- r0 : the number of arguments (not including the receiver)
-  //  -- r1 : the function to call (checked to be a JSFunction)
-  // -----------------------------------
-  __ AssertFunction(r1);
-
-  // See ES6 section 9.2.1 [[Call]] ( thisArgument, argumentsList)
-  // Check that the function is not a "classConstructor".
-  Label class_constructor;
-  __ ldr(r2, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
-  __ ldrb(r3, FieldMemOperand(r2, SharedFunctionInfo::kFunctionKindByteOffset));
-  __ tst(r3, Operand(SharedFunctionInfo::kClassConstructorBitsWithinByte));
-  __ b(ne, &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);
-  __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));
-  // We need to convert the receiver for non-native sloppy mode functions.
-  Label done_convert;
-  __ ldrb(r3, FieldMemOperand(r2, SharedFunctionInfo::kNativeByteOffset));
-  __ tst(r3, Operand((1 << SharedFunctionInfo::kNativeBitWithinByte) |
-                     (1 << SharedFunctionInfo::kStrictModeBitWithinByte)));
-  __ b(ne, &done_convert);
-  {
-    // ----------- S t a t e -------------
-    //  -- r0 : the number of arguments (not including the receiver)
-    //  -- r1 : the function to call (checked to be a JSFunction)
-    //  -- r2 : the shared function info.
-    //  -- cp : the function context.
-    // -----------------------------------
-
-    if (mode == ConvertReceiverMode::kNullOrUndefined) {
-      // Patch receiver to global proxy.
-      __ LoadGlobalProxy(r3);
-    } else {
-      Label convert_to_object, convert_receiver;
-      __ ldr(r3, MemOperand(sp, r0, LSL, kPointerSizeLog2));
-      __ JumpIfSmi(r3, &convert_to_object);
-      STATIC_ASSERT(LAST_JS_RECEIVER_TYPE == LAST_TYPE);
-      __ CompareObjectType(r3, r4, r4, FIRST_JS_RECEIVER_TYPE);
-      __ b(hs, &done_convert);
-      if (mode != ConvertReceiverMode::kNotNullOrUndefined) {
-        Label convert_global_proxy;
-        __ JumpIfRoot(r3, Heap::kUndefinedValueRootIndex,
-                      &convert_global_proxy);
-        __ JumpIfNotRoot(r3, Heap::kNullValueRootIndex, &convert_to_object);
-        __ bind(&convert_global_proxy);
-        {
-          // Patch receiver to global proxy.
-          __ LoadGlobalProxy(r3);
-        }
-        __ b(&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?)
-        FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
-        __ SmiTag(r0);
-        __ Push(r0, r1);
-        __ mov(r0, r3);
-        ToObjectStub stub(masm->isolate());
-        __ CallStub(&stub);
-        __ mov(r3, r0);
-        __ Pop(r0, r1);
-        __ SmiUntag(r0);
-      }
-      __ ldr(r2, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
-      __ bind(&convert_receiver);
-    }
-    __ str(r3, MemOperand(sp, r0, LSL, kPointerSizeLog2));
-  }
-  __ bind(&done_convert);
-
-  // ----------- S t a t e -------------
-  //  -- r0 : the number of arguments (not including the receiver)
-  //  -- r1 : the function to call (checked to be a JSFunction)
-  //  -- r2 : the shared function info.
-  //  -- cp : the function context.
-  // -----------------------------------
-
-  if (tail_call_mode == TailCallMode::kAllow) {
-    PrepareForTailCall(masm, r0, r3, r4, r5);
-  }
-
-  __ ldr(r2,
-         FieldMemOperand(r2, SharedFunctionInfo::kFormalParameterCountOffset));
-  __ SmiUntag(r2);
-  ParameterCount actual(r0);
-  ParameterCount expected(r2);
-  __ InvokeFunctionCode(r1, 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(r1);
-    __ CallRuntime(Runtime::kThrowConstructorNonCallableError);
-  }
-}
-
-
-namespace {
-
-void Generate_PushBoundArguments(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r0 : the number of arguments (not including the receiver)
-  //  -- r1 : target (checked to be a JSBoundFunction)
-  //  -- r3 : new.target (only in case of [[Construct]])
-  // -----------------------------------
-
-  // Load [[BoundArguments]] into r2 and length of that into r4.
-  Label no_bound_arguments;
-  __ ldr(r2, FieldMemOperand(r1, JSBoundFunction::kBoundArgumentsOffset));
-  __ ldr(r4, FieldMemOperand(r2, FixedArray::kLengthOffset));
-  __ SmiUntag(r4);
-  __ cmp(r4, Operand(0));
-  __ b(eq, &no_bound_arguments);
-  {
-    // ----------- S t a t e -------------
-    //  -- r0 : the number of arguments (not including the receiver)
-    //  -- r1 : target (checked to be a JSBoundFunction)
-    //  -- r2 : the [[BoundArguments]] (implemented as FixedArray)
-    //  -- r3 : new.target (only in case of [[Construct]])
-    //  -- r4 : the number of [[BoundArguments]]
-    // -----------------------------------
-
-    // Reserve stack space for the [[BoundArguments]].
-    {
-      Label done;
-      __ sub(sp, sp, Operand(r4, LSL, kPointerSizeLog2));
-      // 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(sp, Heap::kRealStackLimitRootIndex);
-      __ b(gt, &done);  // Signed comparison.
-      // Restore the stack pointer.
-      __ add(sp, sp, Operand(r4, LSL, kPointerSizeLog2));
-      {
-        FrameScope scope(masm, StackFrame::MANUAL);
-        __ EnterFrame(StackFrame::INTERNAL);
-        __ CallRuntime(Runtime::kThrowStackOverflow);
-      }
-      __ bind(&done);
-    }
-
-    // Relocate arguments down the stack.
-    {
-      Label loop, done_loop;
-      __ mov(r5, Operand(0));
-      __ bind(&loop);
-      __ cmp(r5, r0);
-      __ b(gt, &done_loop);
-      __ ldr(ip, MemOperand(sp, r4, LSL, kPointerSizeLog2));
-      __ str(ip, MemOperand(sp, r5, LSL, kPointerSizeLog2));
-      __ add(r4, r4, Operand(1));
-      __ add(r5, r5, Operand(1));
-      __ b(&loop);
-      __ bind(&done_loop);
-    }
-
-    // Copy [[BoundArguments]] to the stack (below the arguments).
-    {
-      Label loop;
-      __ ldr(r4, FieldMemOperand(r2, FixedArray::kLengthOffset));
-      __ SmiUntag(r4);
-      __ add(r2, r2, Operand(FixedArray::kHeaderSize - kHeapObjectTag));
-      __ bind(&loop);
-      __ sub(r4, r4, Operand(1), SetCC);
-      __ ldr(ip, MemOperand(r2, r4, LSL, kPointerSizeLog2));
-      __ str(ip, MemOperand(sp, r0, LSL, kPointerSizeLog2));
-      __ add(r0, r0, Operand(1));
-      __ b(gt, &loop);
-    }
-  }
-  __ bind(&no_bound_arguments);
-}
-
-}  // namespace
-
-
-// static
-void Builtins::Generate_CallBoundFunctionImpl(MacroAssembler* masm,
-                                              TailCallMode tail_call_mode) {
-  // ----------- S t a t e -------------
-  //  -- r0 : the number of arguments (not including the receiver)
-  //  -- r1 : the function to call (checked to be a JSBoundFunction)
-  // -----------------------------------
-  __ AssertBoundFunction(r1);
-
-  if (tail_call_mode == TailCallMode::kAllow) {
-    PrepareForTailCall(masm, r0, r3, r4, r5);
-  }
-
-  // Patch the receiver to [[BoundThis]].
-  __ ldr(ip, FieldMemOperand(r1, JSBoundFunction::kBoundThisOffset));
-  __ str(ip, MemOperand(sp, r0, LSL, kPointerSizeLog2));
-
-  // Push the [[BoundArguments]] onto the stack.
-  Generate_PushBoundArguments(masm);
-
-  // Call the [[BoundTargetFunction]] via the Call builtin.
-  __ ldr(r1, FieldMemOperand(r1, JSBoundFunction::kBoundTargetFunctionOffset));
-  __ mov(ip, Operand(ExternalReference(Builtins::kCall_ReceiverIsAny,
-                                       masm->isolate())));
-  __ ldr(ip, MemOperand(ip));
-  __ add(pc, ip, Operand(Code::kHeaderSize - kHeapObjectTag));
-}
-
-
-// static
-void Builtins::Generate_Call(MacroAssembler* masm, ConvertReceiverMode mode,
-                             TailCallMode tail_call_mode) {
-  // ----------- S t a t e -------------
-  //  -- r0 : the number of arguments (not including the receiver)
-  //  -- r1 : the target to call (can be any Object).
-  // -----------------------------------
-
-  Label non_callable, non_function, non_smi;
-  __ JumpIfSmi(r1, &non_callable);
-  __ bind(&non_smi);
-  __ CompareObjectType(r1, r4, r5, JS_FUNCTION_TYPE);
-  __ Jump(masm->isolate()->builtins()->CallFunction(mode, tail_call_mode),
-          RelocInfo::CODE_TARGET, eq);
-  __ cmp(r5, Operand(JS_BOUND_FUNCTION_TYPE));
-  __ Jump(masm->isolate()->builtins()->CallBoundFunction(tail_call_mode),
-          RelocInfo::CODE_TARGET, eq);
-
-  // Check if target has a [[Call]] internal method.
-  __ ldrb(r4, FieldMemOperand(r4, Map::kBitFieldOffset));
-  __ tst(r4, Operand(1 << Map::kIsCallable));
-  __ b(eq, &non_callable);
-
-  __ cmp(r5, Operand(JS_PROXY_TYPE));
-  __ b(ne, &non_function);
-
-  // 0. Prepare for tail call if necessary.
-  if (tail_call_mode == TailCallMode::kAllow) {
-    PrepareForTailCall(masm, r0, r3, r4, r5);
-  }
-
-  // 1. Runtime fallback for Proxy [[Call]].
-  __ Push(r1);
-  // Increase the arguments size to include the pushed function and the
-  // existing receiver on the stack.
-  __ add(r0, r0, Operand(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 the (original) target.
-  __ str(r1, MemOperand(sp, r0, LSL, kPointerSizeLog2));
-  // Let the "call_as_function_delegate" take care of the rest.
-  __ LoadNativeContextSlot(Context::CALL_AS_FUNCTION_DELEGATE_INDEX, r1);
-  __ Jump(masm->isolate()->builtins()->CallFunction(
-              ConvertReceiverMode::kNotNullOrUndefined, tail_call_mode),
-          RelocInfo::CODE_TARGET);
-
-  // 3. Call to something that is not callable.
-  __ bind(&non_callable);
-  {
-    FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
-    __ Push(r1);
-    __ CallRuntime(Runtime::kThrowCalledNonCallable);
-  }
-}
-
-
-// static
-void Builtins::Generate_ConstructFunction(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r0 : the number of arguments (not including the receiver)
-  //  -- r1 : the constructor to call (checked to be a JSFunction)
-  //  -- r3 : the new target (checked to be a constructor)
-  // -----------------------------------
-  __ AssertFunction(r1);
-
-  // Calling convention for function specific ConstructStubs require
-  // r2 to contain either an AllocationSite or undefined.
-  __ LoadRoot(r2, Heap::kUndefinedValueRootIndex);
-
-  // Tail call to the function-specific construct stub (still in the caller
-  // context at this point).
-  __ ldr(r4, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
-  __ ldr(r4, FieldMemOperand(r4, SharedFunctionInfo::kConstructStubOffset));
-  __ add(pc, r4, Operand(Code::kHeaderSize - kHeapObjectTag));
-}
-
-
-// static
-void Builtins::Generate_ConstructBoundFunction(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r0 : the number of arguments (not including the receiver)
-  //  -- r1 : the function to call (checked to be a JSBoundFunction)
-  //  -- r3 : the new target (checked to be a constructor)
-  // -----------------------------------
-  __ AssertBoundFunction(r1);
-
-  // Push the [[BoundArguments]] onto the stack.
-  Generate_PushBoundArguments(masm);
-
-  // Patch new.target to [[BoundTargetFunction]] if new.target equals target.
-  __ cmp(r1, r3);
-  __ ldr(r3, FieldMemOperand(r1, JSBoundFunction::kBoundTargetFunctionOffset),
-         eq);
-
-  // Construct the [[BoundTargetFunction]] via the Construct builtin.
-  __ ldr(r1, FieldMemOperand(r1, JSBoundFunction::kBoundTargetFunctionOffset));
-  __ mov(ip, Operand(ExternalReference(Builtins::kConstruct, masm->isolate())));
-  __ ldr(ip, MemOperand(ip));
-  __ add(pc, ip, Operand(Code::kHeaderSize - kHeapObjectTag));
-}
-
-
-// static
-void Builtins::Generate_ConstructProxy(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r0 : the number of arguments (not including the receiver)
-  //  -- r1 : the constructor to call (checked to be a JSProxy)
-  //  -- r3 : 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]].
-  __ Push(r1);
-  __ Push(r3);
-  // Include the pushed new_target, constructor and the receiver.
-  __ add(r0, r0, Operand(3));
-  // Tail-call to the runtime.
-  __ JumpToExternalReference(
-      ExternalReference(Runtime::kJSProxyConstruct, masm->isolate()));
-}
-
-
-// static
-void Builtins::Generate_Construct(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r0 : the number of arguments (not including the receiver)
-  //  -- r1 : the constructor to call (can be any Object)
-  //  -- r3 : the new target (either the same as the constructor or
-  //          the JSFunction on which new was invoked initially)
-  // -----------------------------------
-
-  // Check if target is a Smi.
-  Label non_constructor;
-  __ JumpIfSmi(r1, &non_constructor);
-
-  // Dispatch based on instance type.
-  __ CompareObjectType(r1, r4, r5, JS_FUNCTION_TYPE);
-  __ Jump(masm->isolate()->builtins()->ConstructFunction(),
-          RelocInfo::CODE_TARGET, eq);
-
-  // Check if target has a [[Construct]] internal method.
-  __ ldrb(r2, FieldMemOperand(r4, Map::kBitFieldOffset));
-  __ tst(r2, Operand(1 << Map::kIsConstructor));
-  __ b(eq, &non_constructor);
-
-  // Only dispatch to bound functions after checking whether they are
-  // constructors.
-  __ cmp(r5, Operand(JS_BOUND_FUNCTION_TYPE));
-  __ Jump(masm->isolate()->builtins()->ConstructBoundFunction(),
-          RelocInfo::CODE_TARGET, eq);
-
-  // Only dispatch to proxies after checking whether they are constructors.
-  __ cmp(r5, Operand(JS_PROXY_TYPE));
-  __ Jump(masm->isolate()->builtins()->ConstructProxy(), RelocInfo::CODE_TARGET,
-          eq);
-
-  // Called Construct on an exotic Object with a [[Construct]] internal method.
-  {
-    // Overwrite the original receiver with the (original) target.
-    __ str(r1, MemOperand(sp, r0, LSL, kPointerSizeLog2));
-    // Let the "call_as_constructor_delegate" take care of the rest.
-    __ LoadNativeContextSlot(Context::CALL_AS_CONSTRUCTOR_DELEGATE_INDEX, r1);
-    __ 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 -------------
-  //  -- r1 : requested object size (untagged)
-  //  -- lr : return address
-  // -----------------------------------
-  __ SmiTag(r1);
-  __ Push(r1);
-  __ Move(cp, Smi::FromInt(0));
-  __ TailCallRuntime(Runtime::kAllocateInNewSpace);
-}
-
-// static
-void Builtins::Generate_AllocateInOldSpace(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r1 : requested object size (untagged)
-  //  -- lr : return address
-  // -----------------------------------
-  __ SmiTag(r1);
-  __ Move(r2, Smi::FromInt(AllocateTargetSpace::encode(OLD_SPACE)));
-  __ Push(r1, r2);
-  __ Move(cp, Smi::FromInt(0));
-  __ TailCallRuntime(Runtime::kAllocateInTargetSpace);
-}
-
-// static
-void Builtins::Generate_StringToNumber(MacroAssembler* masm) {
-  // The StringToNumber stub takes one argument in r0.
-  __ AssertString(r0);
-
-  // Check if string has a cached array index.
-  Label runtime;
-  __ ldr(r2, FieldMemOperand(r0, String::kHashFieldOffset));
-  __ tst(r2, Operand(String::kContainsCachedArrayIndexMask));
-  __ b(ne, &runtime);
-  __ IndexFromHash(r2, r0);
-  __ Ret();
-
-  __ bind(&runtime);
-  {
-    FrameScope frame(masm, StackFrame::INTERNAL);
-    // Push argument.
-    __ Push(r0);
-    // We cannot use a tail call here because this builtin can also be called
-    // from wasm.
-    __ CallRuntime(Runtime::kStringToNumber);
-  }
-  __ Ret();
-}
-
-void Builtins::Generate_ToNumber(MacroAssembler* masm) {
-  // The ToNumber stub takes one argument in r0.
-  STATIC_ASSERT(kSmiTag == 0);
-  __ tst(r0, Operand(kSmiTagMask));
-  __ Ret(eq);
-
-  __ CompareObjectType(r0, r1, r1, HEAP_NUMBER_TYPE);
-  // r0: receiver
-  // r1: receiver instance type
-  __ Ret(eq);
-
-  __ Jump(masm->isolate()->builtins()->NonNumberToNumber(),
-          RelocInfo::CODE_TARGET);
-}
-
-void Builtins::Generate_NonNumberToNumber(MacroAssembler* masm) {
-  // The NonNumberToNumber stub takes one argument in r0.
-  __ AssertNotNumber(r0);
-
-  __ CompareObjectType(r0, r1, r1, FIRST_NONSTRING_TYPE);
-  // r0: receiver
-  // r1: receiver instance type
-  __ Jump(masm->isolate()->builtins()->StringToNumber(), RelocInfo::CODE_TARGET,
-          lo);
-
-  Label not_oddball;
-  __ cmp(r1, Operand(ODDBALL_TYPE));
-  __ b(ne, &not_oddball);
-  __ ldr(r0, FieldMemOperand(r0, Oddball::kToNumberOffset));
-  __ Ret();
-  __ bind(&not_oddball);
-  {
-    FrameScope frame(masm, StackFrame::INTERNAL);
-    // Push argument.
-    __ Push(r0);
-    // 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 -------------
-  //  -- r0 : actual number of arguments
-  //  -- r1 : function (passed through to callee)
-  //  -- r2 : expected number of arguments
-  //  -- r3 : new target (passed through to callee)
-  // -----------------------------------
-
-  Label invoke, dont_adapt_arguments, stack_overflow;
-
-  Label enough, too_few;
-  __ cmp(r0, r2);
-  __ b(lt, &too_few);
-  __ cmp(r2, Operand(SharedFunctionInfo::kDontAdaptArgumentsSentinel));
-  __ b(eq, &dont_adapt_arguments);
-
-  {  // Enough parameters: actual >= expected
-    __ bind(&enough);
-    EnterArgumentsAdaptorFrame(masm);
-    ArgumentAdaptorStackCheck(masm, &stack_overflow);
-
-    // Calculate copy start address into r0 and copy end address into r4.
-    // r0: actual number of arguments as a smi
-    // r1: function
-    // r2: expected number of arguments
-    // r3: new target (passed through to callee)
-    __ add(r0, fp, Operand::PointerOffsetFromSmiKey(r0));
-    // adjust for return address and receiver
-    __ add(r0, r0, Operand(2 * kPointerSize));
-    __ sub(r4, r0, Operand(r2, LSL, kPointerSizeLog2));
-
-    // Copy the arguments (including the receiver) to the new stack frame.
-    // r0: copy start address
-    // r1: function
-    // r2: expected number of arguments
-    // r3: new target (passed through to callee)
-    // r4: copy end address
-
-    Label copy;
-    __ bind(&copy);
-    __ ldr(ip, MemOperand(r0, 0));
-    __ push(ip);
-    __ cmp(r0, r4);  // Compare before moving to next argument.
-    __ sub(r0, r0, Operand(kPointerSize));
-    __ b(ne, &copy);
-
-    __ b(&invoke);
-  }
-
-  {  // Too few parameters: Actual < expected
-    __ bind(&too_few);
-    EnterArgumentsAdaptorFrame(masm);
-    ArgumentAdaptorStackCheck(masm, &stack_overflow);
-
-    // Calculate copy start address into r0 and copy end address is fp.
-    // r0: actual number of arguments as a smi
-    // r1: function
-    // r2: expected number of arguments
-    // r3: new target (passed through to callee)
-    __ add(r0, fp, Operand::PointerOffsetFromSmiKey(r0));
-
-    // Copy the arguments (including the receiver) to the new stack frame.
-    // r0: copy start address
-    // r1: function
-    // r2: expected number of arguments
-    // r3: new target (passed through to callee)
-    Label copy;
-    __ bind(&copy);
-    // Adjust load for return address and receiver.
-    __ ldr(ip, MemOperand(r0, 2 * kPointerSize));
-    __ push(ip);
-    __ cmp(r0, fp);  // Compare before moving to next argument.
-    __ sub(r0, r0, Operand(kPointerSize));
-    __ b(ne, &copy);
-
-    // Fill the remaining expected arguments with undefined.
-    // r1: function
-    // r2: expected number of arguments
-    // r3: new target (passed through to callee)
-    __ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
-    __ sub(r4, fp, Operand(r2, LSL, kPointerSizeLog2));
-    // Adjust for frame.
-    __ sub(r4, r4, Operand(StandardFrameConstants::kFixedFrameSizeFromFp +
-                           2 * kPointerSize));
-
-    Label fill;
-    __ bind(&fill);
-    __ push(ip);
-    __ cmp(sp, r4);
-    __ b(ne, &fill);
-  }
-
-  // Call the entry point.
-  __ bind(&invoke);
-  __ mov(r0, r2);
-  // r0 : expected number of arguments
-  // r1 : function (passed through to callee)
-  // r3 : new target (passed through to callee)
-  __ ldr(r4, FieldMemOperand(r1, JSFunction::kCodeEntryOffset));
-  __ Call(r4);
-
-  // Store offset of return address for deoptimizer.
-  masm->isolate()->heap()->SetArgumentsAdaptorDeoptPCOffset(masm->pc_offset());
-
-  // Exit frame and return.
-  LeaveArgumentsAdaptorFrame(masm);
-  __ Jump(lr);
-
-
-  // -------------------------------------------
-  // Dont adapt arguments.
-  // -------------------------------------------
-  __ bind(&dont_adapt_arguments);
-  __ ldr(r4, FieldMemOperand(r1, JSFunction::kCodeEntryOffset));
-  __ Jump(r4);
-
-  __ bind(&stack_overflow);
-  {
-    FrameScope frame(masm, StackFrame::MANUAL);
-    __ CallRuntime(Runtime::kThrowStackOverflow);
-    __ bkpt(0);
-  }
-}
-
-
-#undef __
-
-}  // namespace internal
-}  // namespace v8
-
-#endif  // V8_TARGET_ARCH_ARM