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Issue 2311203002: Move kMaxRegularHeapObjectSize into globals (Closed)
Patch Set: Saving the file helps... Created 4 years, 3 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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-stubs.h" 5 #include "src/code-stubs.h"
6 6
7 #include <memory> 7 #include <memory>
8 8
9 #include "src/bailout-reason.h" 9 #include "src/bailout-reason.h"
10 #include "src/crankshaft/hydrogen.h" 10 #include "src/crankshaft/hydrogen.h"
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1133 HValue* properties = Add<HLoadNamedField>( 1133 HValue* properties = Add<HLoadNamedField>(
1134 object, nullptr, HObjectAccess::ForPropertiesPointer()); 1134 object, nullptr, HObjectAccess::ForPropertiesPointer());
1135 HValue* length = AddLoadFixedArrayLength(properties); 1135 HValue* length = AddLoadFixedArrayLength(properties);
1136 HValue* delta = 1136 HValue* delta =
1137 Add<HConstant>(static_cast<int32_t>(JSObject::kFieldsAdded)); 1137 Add<HConstant>(static_cast<int32_t>(JSObject::kFieldsAdded));
1138 HValue* new_capacity = AddUncasted<HAdd>(length, delta); 1138 HValue* new_capacity = AddUncasted<HAdd>(length, delta);
1139 1139
1140 // Grow properties array. 1140 // Grow properties array.
1141 ElementsKind kind = FAST_ELEMENTS; 1141 ElementsKind kind = FAST_ELEMENTS;
1142 Add<HBoundsCheck>(new_capacity, 1142 Add<HBoundsCheck>(new_capacity,
1143 Add<HConstant>((Page::kMaxRegularHeapObjectSize - 1143 Add<HConstant>((kMaxRegularHeapObjectSize -
1144 FixedArray::kHeaderSize) >> 1144 FixedArray::kHeaderSize) >>
1145 ElementsKindToShiftSize(kind))); 1145 ElementsKindToShiftSize(kind)));
1146 1146
1147 // Reuse this code for properties backing store allocation. 1147 // Reuse this code for properties backing store allocation.
1148 HValue* new_properties = 1148 HValue* new_properties =
1149 BuildAllocateAndInitializeArray(kind, new_capacity); 1149 BuildAllocateAndInitializeArray(kind, new_capacity);
1150 1150
1151 BuildCopyProperties(properties, new_properties, length, new_capacity); 1151 BuildCopyProperties(properties, new_properties, length, new_capacity);
1152 1152
1153 Add<HStoreNamedField>(object, HObjectAccess::ForPropertiesPointer(), 1153 Add<HStoreNamedField>(object, HObjectAccess::ForPropertiesPointer(),
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1944 return Pop(); 1944 return Pop();
1945 } 1945 }
1946 1946
1947 1947
1948 Handle<Code> KeyedLoadGenericStub::GenerateCode() { 1948 Handle<Code> KeyedLoadGenericStub::GenerateCode() {
1949 return DoGenerateCode(this); 1949 return DoGenerateCode(this);
1950 } 1950 }
1951 1951
1952 } // namespace internal 1952 } // namespace internal
1953 } // namespace v8 1953 } // namespace v8
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