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Issue 2752143004: [refactor] Separate generated builtins and C++ builtins into separate files (Closed)
Patch Set: tentative gcmole fix Created 3 years, 9 months ago
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1 // Copyright 2016 the V8 project authors. All rights reserved. 1 // Copyright 2016 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/code-stub-assembler.h" 5 #include "src/code-stub-assembler.h"
6 6
7 namespace v8 { 7 namespace v8 {
8 namespace internal { 8 namespace internal {
9 9
10 typedef compiler::Node Node;
11 typedef compiler::CodeAssemblerState CodeAssemblerState;
12 typedef compiler::CodeAssemblerLabel CodeAssemblerLabel;
13
14 class ConstructorBuiltinsAssembler : public CodeStubAssembler { 10 class ConstructorBuiltinsAssembler : public CodeStubAssembler {
15 public: 11 public:
16 explicit ConstructorBuiltinsAssembler(CodeAssemblerState* state) 12 explicit ConstructorBuiltinsAssembler(compiler::CodeAssemblerState* state)
17 : CodeStubAssembler(state) {} 13 : CodeStubAssembler(state) {}
18 14
19 Node* EmitFastNewClosure(Node* shared_info, Node* feedback_vector, Node* slot, 15 Node* EmitFastNewClosure(Node* shared_info, Node* feedback_vector, Node* slot,
20 Node* context); 16 Node* context);
21 Node* EmitFastNewFunctionContext(Node* closure, Node* slots, Node* context, 17 Node* EmitFastNewFunctionContext(Node* closure, Node* slots, Node* context,
22 ScopeType scope_type); 18 ScopeType scope_type);
23 static int MaximumFunctionContextSlots(); 19 static int MaximumFunctionContextSlots();
24 20
25 Node* EmitFastCloneRegExp(Node* closure, Node* literal_index, Node* pattern, 21 Node* EmitFastCloneRegExp(Node* closure, Node* literal_index, Node* pattern,
26 Node* flags, Node* context); 22 Node* flags, Node* context);
27 Node* EmitFastCloneShallowArray(Node* closure, Node* literal_index, 23 Node* EmitFastCloneShallowArray(Node* closure, Node* literal_index,
28 Node* context, 24 Node* context, Label* call_runtime,
29 CodeAssemblerLabel* call_runtime,
30 AllocationSiteMode allocation_site_mode); 25 AllocationSiteMode allocation_site_mode);
31 26
32 // Maximum number of elements in copied array (chosen so that even an array 27 // Maximum number of elements in copied array (chosen so that even an array
33 // backed by a double backing store will fit into new-space). 28 // backed by a double backing store will fit into new-space).
34 static const int kMaximumClonedShallowArrayElements = 29 static const int kMaximumClonedShallowArrayElements =
35 JSArray::kInitialMaxFastElementArray * kPointerSize / kDoubleSize; 30 JSArray::kInitialMaxFastElementArray * kPointerSize / kDoubleSize;
36 31
37 void CreateFastCloneShallowArrayBuiltin( 32 void CreateFastCloneShallowArrayBuiltin(
38 AllocationSiteMode allocation_site_mode); 33 AllocationSiteMode allocation_site_mode);
39 34
40 // Maximum number of properties in copied objects. 35 // Maximum number of properties in copied objects.
41 static const int kMaximumClonedShallowObjectProperties = 6; 36 static const int kMaximumClonedShallowObjectProperties = 6;
42 static int FastCloneShallowObjectPropertiesCount(int literal_length); 37 static int FastCloneShallowObjectPropertiesCount(int literal_length);
43 Node* EmitFastCloneShallowObject(CodeAssemblerLabel* call_runtime, 38 Node* EmitFastCloneShallowObject(Label* call_runtime, Node* closure,
44 Node* closure, Node* literals_index, 39 Node* literals_index,
45 Node* properties_count); 40 Node* properties_count);
46 void CreateFastCloneShallowObjectBuiltin(int properties_count); 41 void CreateFastCloneShallowObjectBuiltin(int properties_count);
47 42
48 Node* EmitFastNewObject(Node* context, Node* target, Node* new_target); 43 Node* EmitFastNewObject(Node* context, Node* target, Node* new_target);
49 44
50 Node* EmitFastNewObject(Node* context, Node* target, Node* new_target, 45 Node* EmitFastNewObject(Node* context, Node* target, Node* new_target,
51 CodeAssemblerLabel* call_runtime); 46 Label* call_runtime);
52 47
53 private: 48 private:
54 static const int kMaximumSlots = 0x8000; 49 static const int kMaximumSlots = 0x8000;
55 static const int kSmallMaximumSlots = 10; 50 static const int kSmallMaximumSlots = 10;
56 51
57 Node* NonEmptyShallowClone(Node* boilerplate, Node* boilerplate_map, 52 Node* NonEmptyShallowClone(Node* boilerplate, Node* boilerplate_map,
58 Node* boilerplate_elements, Node* allocation_site, 53 Node* boilerplate_elements, Node* allocation_site,
59 Node* capacity, ElementsKind kind); 54 Node* capacity, ElementsKind kind);
60 55
61 // FastNewFunctionContext can only allocate closures which fit in the 56 // FastNewFunctionContext can only allocate closures which fit in the
62 // new space. 57 // new space.
63 STATIC_ASSERT(((kMaximumSlots + Context::MIN_CONTEXT_SLOTS) * kPointerSize + 58 STATIC_ASSERT(((kMaximumSlots + Context::MIN_CONTEXT_SLOTS) * kPointerSize +
64 FixedArray::kHeaderSize) < kMaxRegularHeapObjectSize); 59 FixedArray::kHeaderSize) < kMaxRegularHeapObjectSize);
65 }; 60 };
66 61
67 } // namespace internal 62 } // namespace internal
68 } // namespace v8 63 } // namespace v8
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