[builtins] Add support for JS builtins written in TurboFan.

src/compiler/code-stub-assembler.h

 // Copyright 2015 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.
 
 #ifndef V8_COMPILER_CODE_STUB_ASSEMBLER_H_
 #define V8_COMPILER_CODE_STUB_ASSEMBLER_H_
 
 #include <map>
 
 // Clients of this interface shouldn't depend on lots of compiler internals.
@@ skipping 72 matching lines @@
   V(Word32Sar)                                  \
   V(Word32Ror)                                  \
   V(Word64Or)                                   \
   V(Word64And)                                  \
   V(Word64Xor)                                  \
   V(Word64Shr)                                  \
   V(Word64Sar)                                  \
   V(Word64Ror)
 
 #define CODE_STUB_ASSEMBLER_UNARY_OP_LIST(V) \
+  V(Float64Sqrt)                             \
   V(ChangeFloat64ToUint32)                   \
   V(ChangeInt32ToFloat64)                    \
   V(ChangeInt32ToInt64)                      \
   V(ChangeUint32ToFloat64)                   \
   V(ChangeUint32ToUint64)
 
 class CodeStubAssembler {
  public:
   // Create with CallStub linkage.
   // |result_size| specifies the number of results returned by the stub.
@@ skipping 174 matching lines @@
   Node* WordIsPositiveSmi(Node* a);
 
   // Load an object pointer from a buffer that isn't in the heap.
   Node* LoadBufferObject(Node* buffer, int offset,
                          MachineType rep = MachineType::AnyTagged());
   // Load a field from an object on the heap.
   Node* LoadObjectField(Node* object, int offset,
                         MachineType rep = MachineType::AnyTagged());
   // Load the floating point value of a HeapNumber.
   Node* LoadHeapNumberValue(Node* object);
+  // Store the floating point value of a HeapNumber.
+  Node* StoreHeapNumberValue(Node* object, Node* value);
   // Load the bit field of a Map.
   Node* LoadMapBitField(Node* map);
   // Load the instance type of a Map.
   Node* LoadMapInstanceType(Node* map);
 
   // Load an array element from a FixedArray.
   Node* LoadFixedArrayElementSmiIndex(Node* object, Node* smi_index,
                                       int additional_offset = 0);
   Node* LoadFixedArrayElementConstantIndex(Node* object, int index);
 
   // Allocate an object of the given size.
   Node* Allocate(int size, AllocationFlags flags);
 
   // Store an array element to a FixedArray.
   Node* StoreFixedArrayElementNoWriteBarrier(Node* object, Node* index,
                                              Node* value);
   // Load the Map of an HeapObject.
   Node* LoadMap(Node* object);
+  // Store the Map of an HeapObject.
+  Node* StoreMapNoWriteBarrier(Node* object, Node* map);
   // Load the instance type of an HeapObject.
   Node* LoadInstanceType(Node* object);
 
   // Returns a node that is true if the given bit is set in |word32|.
   template <typename T>
   Node* BitFieldDecode(Node* word32) {
     return BitFieldDecode(word32, T::kShift, T::kMask);
   }
 
   Node* BitFieldDecode(Node* word32, uint32_t shift, uint32_t mask);
@@ skipping 98 matching lines @@
   // Map of variables to the list of value nodes that have been added from each
   // merge path in their order of merging.
   std::map<Variable::Impl*, std::vector<Node*>> variable_merges_;
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_CODE_STUB_ASSEMBLER_H_