[refactor] Separate generated builtins and C++ builtins into separate files

src/builtins/builtins-internal.cc

Index: src/builtins/builtins-internal.cc
diff --git a/src/builtins/builtins-internal.cc b/src/builtins/builtins-internal.cc
index 7f81e8c086b7741a727b842bbfb941600a884114..22d20031ea9dd029b804e53cf7075cd8a6e575e0 100644
--- a/src/builtins/builtins-internal.cc
+++ b/src/builtins/builtins-internal.cc
@@ -4,10 +4,8 @@
 
 #include "src/builtins/builtins-utils.h"
 #include "src/builtins/builtins.h"
-#include "src/code-stub-assembler.h"
 #include "src/counters.h"
 #include "src/interface-descriptors.h"
-#include "src/macro-assembler.h"
 #include "src/objects-inl.h"
 
 namespace v8 {
@@ -42,164 +40,5 @@ BUILTIN(RestrictedStrictArgumentsPropertiesThrower) {
       isolate, NewTypeError(MessageTemplate::kStrictPoisonPill));
 }
 
-// -----------------------------------------------------------------------------
-// Interrupt and stack checks.
-
-void Builtins::Generate_InterruptCheck(MacroAssembler* masm) {
-  masm->TailCallRuntime(Runtime::kInterrupt);
-}
-
-void Builtins::Generate_StackCheck(MacroAssembler* masm) {
-  masm->TailCallRuntime(Runtime::kStackGuard);
-}
-
-// -----------------------------------------------------------------------------
-// TurboFan support builtins.
-
-TF_BUILTIN(CopyFastSmiOrObjectElements, CodeStubAssembler) {
-  typedef CopyFastSmiOrObjectElementsDescriptor Descriptor;
-
-  Node* object = Parameter(Descriptor::kObject);
-
-  // Load the {object}s elements.
-  Node* source = LoadObjectField(object, JSObject::kElementsOffset);
-
-  ParameterMode mode = OptimalParameterMode();
-  Node* length = TaggedToParameter(LoadFixedArrayBaseLength(source), mode);
-
-  // Check if we can allocate in new space.
-  ElementsKind kind = FAST_ELEMENTS;
-  int max_elements = FixedArrayBase::GetMaxLengthForNewSpaceAllocation(kind);
-  Label if_newspace(this), if_oldspace(this);
-  Branch(UintPtrOrSmiLessThan(length, IntPtrOrSmiConstant(max_elements, mode),
-                              mode),
-         &if_newspace, &if_oldspace);
-
-  Bind(&if_newspace);
-  {
-    Node* target = AllocateFixedArray(kind, length, mode);
-    CopyFixedArrayElements(kind, source, target, length, SKIP_WRITE_BARRIER,
-                           mode);
-    StoreObjectField(object, JSObject::kElementsOffset, target);
-    Return(target);
-  }
-
-  Bind(&if_oldspace);
-  {
-    Node* target = AllocateFixedArray(kind, length, mode, kPretenured);
-    CopyFixedArrayElements(kind, source, target, length, UPDATE_WRITE_BARRIER,
-                           mode);
-    StoreObjectField(object, JSObject::kElementsOffset, target);
-    Return(target);
-  }
-}
-
-TF_BUILTIN(GrowFastDoubleElements, CodeStubAssembler) {
-  typedef GrowArrayElementsDescriptor Descriptor;
-
-  Node* object = Parameter(Descriptor::kObject);
-  Node* key = Parameter(Descriptor::kKey);
-  Node* context = Parameter(Descriptor::kContext);
-
-  Label runtime(this, Label::kDeferred);
-  Node* elements = LoadElements(object);
-  elements = TryGrowElementsCapacity(object, elements, FAST_DOUBLE_ELEMENTS,
-                                     key, &runtime);
-  Return(elements);
-
-  Bind(&runtime);
-  TailCallRuntime(Runtime::kGrowArrayElements, context, object, key);
-}
-
-TF_BUILTIN(GrowFastSmiOrObjectElements, CodeStubAssembler) {
-  typedef GrowArrayElementsDescriptor Descriptor;
-
-  Node* object = Parameter(Descriptor::kObject);
-  Node* key = Parameter(Descriptor::kKey);
-  Node* context = Parameter(Descriptor::kContext);
-
-  Label runtime(this, Label::kDeferred);
-  Node* elements = LoadElements(object);
-  elements =
-      TryGrowElementsCapacity(object, elements, FAST_ELEMENTS, key, &runtime);
-  Return(elements);
-
-  Bind(&runtime);
-  TailCallRuntime(Runtime::kGrowArrayElements, context, object, key);
-}
-
-TF_BUILTIN(NewUnmappedArgumentsElements, CodeStubAssembler) {
-  typedef NewArgumentsElementsDescriptor Descriptor;
-
-  Node* frame = Parameter(Descriptor::kFrame);
-  Node* length = SmiToWord(Parameter(Descriptor::kLength));
-
-  // Check if we can allocate in new space.
-  ElementsKind kind = FAST_ELEMENTS;
-  int max_elements = FixedArray::GetMaxLengthForNewSpaceAllocation(kind);
-  Label if_newspace(this), if_oldspace(this, Label::kDeferred);
-  Branch(IntPtrLessThan(length, IntPtrConstant(max_elements)), &if_newspace,
-         &if_oldspace);
-
-  Bind(&if_newspace);
-  {
-    // Prefer EmptyFixedArray in case of non-positive {length} (the {length}
-    // can be negative here for rest parameters).
-    Label if_empty(this), if_notempty(this);
-    Branch(IntPtrLessThanOrEqual(length, IntPtrConstant(0)), &if_empty,
-           &if_notempty);
-
-    Bind(&if_empty);
-    Return(EmptyFixedArrayConstant());
-
-    Bind(&if_notempty);
-    {
-      // Allocate a FixedArray in new space.
-      Node* result = AllocateFixedArray(kind, length);
-
-      // Compute the effective {offset} into the {frame}.
-      Node* offset = IntPtrAdd(length, IntPtrConstant(1));
-
-      // Copy the parameters from {frame} (starting at {offset}) to {result}.
-      Variable var_index(this, MachineType::PointerRepresentation());
-      Label loop(this, &var_index), done_loop(this);
-      var_index.Bind(IntPtrConstant(0));
-      Goto(&loop);
-      Bind(&loop);
-      {
-        // Load the current {index}.
-        Node* index = var_index.value();
-
-        // Check if we are done.
-        GotoIf(WordEqual(index, length), &done_loop);
-
-        // Load the parameter at the given {index}.
-        Node* value = Load(MachineType::AnyTagged(), frame,
-                           WordShl(IntPtrSub(offset, index),
-                                   IntPtrConstant(kPointerSizeLog2)));
-
-        // Store the {value} into the {result}.
-        StoreFixedArrayElement(result, index, value, SKIP_WRITE_BARRIER);
-
-        // Continue with next {index}.
-        var_index.Bind(IntPtrAdd(index, IntPtrConstant(1)));
-        Goto(&loop);
-      }
-
-      Bind(&done_loop);
-      Return(result);
-    }
-  }
-
-  Bind(&if_oldspace);
-  {
-    // Allocate in old space (or large object space).
-    TailCallRuntime(Runtime::kNewArgumentsElements, NoContextConstant(),
-                    BitcastWordToTagged(frame), SmiFromWord(length));
-  }
-}
-
-TF_BUILTIN(ReturnReceiver, CodeStubAssembler) { Return(Parameter(0)); }
-
 }  // namespace internal
 }  // namespace v8