Introduce bytecodes for assisting generator suspend and resume.

src/code-stub-assembler.h

 // Copyright 2016 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_CODE_STUB_ASSEMBLER_H_
 #define V8_CODE_STUB_ASSEMBLER_H_
 
 #include "src/compiler/code-assembler.h"
 #include "src/objects.h"
 
@@ skipping 50 matching lines @@
   compiler::Node* SmiAddWithOverflow(compiler::Node* a, compiler::Node* b);
   compiler::Node* SmiSub(compiler::Node* a, compiler::Node* b);
   compiler::Node* SmiSubWithOverflow(compiler::Node* a, compiler::Node* b);
   compiler::Node* SmiEqual(compiler::Node* a, compiler::Node* b);
   compiler::Node* SmiAboveOrEqual(compiler::Node* a, compiler::Node* b);
   compiler::Node* SmiLessThan(compiler::Node* a, compiler::Node* b);
   compiler::Node* SmiLessThanOrEqual(compiler::Node* a, compiler::Node* b);
   compiler::Node* SmiMin(compiler::Node* a, compiler::Node* b);
 
   // Allocate an object of the given size.
+  compiler::Node* Allocate(compiler::Node* size, AllocationFlags flags = kNone);
   compiler::Node* Allocate(int size, AllocationFlags flags = kNone);
   compiler::Node* InnerAllocate(compiler::Node* previous, int offset);
 
   // Check a value for smi-ness
   compiler::Node* WordIsSmi(compiler::Node* a);
   // Check that the value is a positive smi.
   compiler::Node* WordIsPositiveSmi(compiler::Node* a);
 
   void BranchIfSmiLessThan(compiler::Node* a, compiler::Node* b, Label* if_true,
                            Label* if_false) {
@@ skipping 35 matching lines @@
   // Load the instance type of a map.
   compiler::Node* LoadMapInstanceType(compiler::Node* map);
   // Load the instance descriptors of a map.
   compiler::Node* LoadMapDescriptors(compiler::Node* map);
 
   // Load the hash field of a name.
   compiler::Node* LoadNameHash(compiler::Node* name);
   // Load the instance size of a Map.
   compiler::Node* LoadMapInstanceSize(compiler::Node* map);
 
+  compiler::Node* AllocateUninitializedFixedArray(compiler::Node* length);
+
   // Load an array element from a FixedArray.
   compiler::Node* LoadFixedArrayElementInt32Index(compiler::Node* object,
                                                   compiler::Node* int32_index,
                                                   int additional_offset = 0);
   compiler::Node* LoadFixedArrayElementSmiIndex(compiler::Node* object,
                                                 compiler::Node* smi_index,
                                                 int additional_offset = 0);
   compiler::Node* LoadFixedArrayElementConstantIndex(compiler::Node* object,
                                                      int index);
 
   // Store the floating point value of a HeapNumber.
   compiler::Node* StoreHeapNumberValue(compiler::Node* object,
                                        compiler::Node* value);
   // Store a field to an object on the heap.
+  compiler::Node* StoreObjectField(
+      compiler::Node* object, int offset, compiler::Node* value);
   compiler::Node* StoreObjectFieldNoWriteBarrier(
       compiler::Node* object, int offset, compiler::Node* value,
       MachineRepresentation rep = MachineRepresentation::kTagged);
   // Store the Map of an HeapObject.
   compiler::Node* StoreMapNoWriteBarrier(compiler::Node* object,
                                          compiler::Node* map);
   // Store an array element to a FixedArray.
   compiler::Node* StoreFixedArrayElementInt32Index(compiler::Node* object,
                                                    compiler::Node* index,
                                                    compiler::Node* value);
@@ skipping 54 matching lines @@
   compiler::Node* AllocateRawUnaligned(compiler::Node* size_in_bytes,
                                        AllocationFlags flags,
                                        compiler::Node* top_adddress,
                                        compiler::Node* limit_address);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CODE_STUB_ASSEMBLER_H_