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Issue 674883002: Tweaks to the code serializer. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: fix large object back references Created 6 years, 1 month 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/v8.h" 5 #include "src/v8.h"
6 6
7 #include "src/base/bits.h" 7 #include "src/base/bits.h"
8 #include "src/double.h" 8 #include "src/double.h"
9 #include "src/factory.h" 9 #include "src/factory.h"
10 #include "src/hydrogen-infer-representation.h" 10 #include "src/hydrogen-infer-representation.h"
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2855 if (has_external_reference_value_) { 2855 if (has_external_reference_value_) {
2856 return false; 2856 return false;
2857 } 2857 }
2858 2858
2859 DCHECK(!object_.handle().is_null()); 2859 DCHECK(!object_.handle().is_null());
2860 Heap* heap = isolate()->heap(); 2860 Heap* heap = isolate()->heap();
2861 DCHECK(!object_.IsKnownGlobal(heap->minus_zero_value())); 2861 DCHECK(!object_.IsKnownGlobal(heap->minus_zero_value()));
2862 DCHECK(!object_.IsKnownGlobal(heap->nan_value())); 2862 DCHECK(!object_.IsKnownGlobal(heap->nan_value()));
2863 return 2863 return
2864 #define IMMORTAL_IMMOVABLE_ROOT(name) \ 2864 #define IMMORTAL_IMMOVABLE_ROOT(name) \
2865 object_.IsKnownGlobal(heap->name()) || 2865 object_.IsKnownGlobal(heap->root(Heap::k##name##RootIndex)) ||
2866 IMMORTAL_IMMOVABLE_ROOT_LIST(IMMORTAL_IMMOVABLE_ROOT) 2866 IMMORTAL_IMMOVABLE_ROOT_LIST(IMMORTAL_IMMOVABLE_ROOT)
2867 #undef IMMORTAL_IMMOVABLE_ROOT 2867 #undef IMMORTAL_IMMOVABLE_ROOT
2868 #define INTERNALIZED_STRING(name, value) \ 2868 #define INTERNALIZED_STRING(name, value) \
2869 object_.IsKnownGlobal(heap->name()) || 2869 object_.IsKnownGlobal(heap->name()) ||
2870 INTERNALIZED_STRING_LIST(INTERNALIZED_STRING) 2870 INTERNALIZED_STRING_LIST(INTERNALIZED_STRING)
2871 #undef INTERNALIZED_STRING 2871 #undef INTERNALIZED_STRING
2872 #define STRING_TYPE(NAME, size, name, Name) \ 2872 #define STRING_TYPE(NAME, size, name, Name) \
2873 object_.IsKnownGlobal(heap->name##_map()) || 2873 object_.IsKnownGlobal(heap->name##_map()) ||
2874 STRING_TYPE_LIST(STRING_TYPE) 2874 STRING_TYPE_LIST(STRING_TYPE)
2875 #undef STRING_TYPE 2875 #undef STRING_TYPE
2876 #define SYMBOL(name) object_.IsKnownGlobal(heap->name()) ||
2877 PRIVATE_SYMBOL_LIST(SYMBOL)
2878 #undef SYMBOL
2879 false; 2876 false;
2880 } 2877 }
2881 2878
2882 2879
2883 bool HConstant::EmitAtUses() { 2880 bool HConstant::EmitAtUses() {
2884 DCHECK(IsLinked()); 2881 DCHECK(IsLinked());
2885 if (block()->graph()->has_osr() && 2882 if (block()->graph()->has_osr() &&
2886 block()->graph()->IsStandardConstant(this)) { 2883 block()->graph()->IsStandardConstant(this)) {
2887 // TODO(titzer): this seems like a hack that should be fixed by custom OSR. 2884 // TODO(titzer): this seems like a hack that should be fixed by custom OSR.
2888 return true; 2885 return true;
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4804 break; 4801 break;
4805 case HObjectAccess::kExternalMemory: 4802 case HObjectAccess::kExternalMemory:
4806 os << "[external-memory]"; 4803 os << "[external-memory]";
4807 break; 4804 break;
4808 } 4805 }
4809 4806
4810 return os << "@" << access.offset(); 4807 return os << "@" << access.offset();
4811 } 4808 }
4812 4809
4813 } } // namespace v8::internal 4810 } } // namespace v8::internal
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